41results about How to "No squeeze" patented technology

The invention discloses automatic polishing equipment for a mobile phone shell arc surface. The automatic polishing equipment for the mobile phone shell arc surface comprises a pedestal, a feeding conveying device, an adsorption carrying device, a polishing device, a discharging conveying device and a control device. The feeding conveying device is arranged on the right side of the polishing device. The adsorption carrying device is arranged behind the feeding conveying device, the polishing device and the discharging conveying device. The discharging conveying device is arranged on the left side of the polishing device. The control device is fixed to the pedestal. The feeding conveying device, the adsorption carrying device, the polishing device and the discharging conveying device are all electrically connected with the control device. Compared with the prior art, the automatic polishing equipment has the advantages that through the scheme, the structural design is simple and reasonable, the automation degree is high, labor is reduced, the cost and the labor investment are saved, a rotating mechanism is arranged, and the mobile phone shell arc surface is conveniently polished.

The invention discloses an a door panel moving device of an air conditioner and the air conditioner with the door panel moving device. The door panel moving device comprises a moving component box, a rack mounted in the moving component box, a drive device for driving the rack to move, a rolling device and a guide rail, wherein the rolling device is rotationally mounted on the rack and comprises a rolling shaft and a rolling bearing, the rolling bearing rotationally sleeves the rolling shaft, and the guide rail is mounted on the moving component box for guiding the move of the rolling bearing. According to the door panel moving device, the rotary rolling bearing is mounted between the rack and the moving component box, so that the relative movement between the rack and the moving component box is changed into rolling friction; because the rolling bearing is mounted on the rack, the situation that both the upside and the downside of the rolling bearing are extruded is avoided, and the rolling bearing can always roll in the rack movement process. By means of said mode, the extrusion jamming problem due to the irregular rack surface and moving component box surface is effectively avoided, and the service life of the door panel moving device is improved.

The invention discloses a guide rod of a submersible water impeller. The guide rod comprises a lifting frame (1), guide rods (2), a main machine (3), two sliding sleeves (4) and a bracket (5), wherein a fixing frame (6) is installed at the top of a tank; the guide rods (2) are of two parallel cylindrical structures installed vertically; T-shaped joints (22) arranged at the upper ends of the cylindrical structures are fixedly installed in the fixing frame (6), and V-shaped guide heads (23) arranged at the lower ends of the cylindrical structures are movably inserted into fixing columns (7) at the bottom of the tank; the two sliding sleeves (4) are symmetrically installed on the two sides of a base (54) at the upper part of the bracket (5); the bracket (5) is movably sleeved between the two guide rods via the sliding sleeves (4); the main machine (3) is fixedly installed on the bracket (5) to form an integral structure with the bracket (5) and the sliding sleeves (4). According to the guide rod of the submersible water impeller, the main machine, the bracket and the sliding sleeves can be lifted out of the water surface to undergo inspection, maintenance and wear repair and can be lifted or installed at the top of the tank.

The invention discloses a manufacturing method of a tool for concrete finishing and thin film covering. The method is characterized by comprising the following steps of a, manufacturing a film pavingframe; b, manufacturing a roughening and leveling frame; and c, providing a pull rod, wherein one end of the pull rod is provided with a handle, and the other end continuously penetrates through top end steel pipes of the roughening and leveling frame and the film paving frame and is fixed with the top end steel pipes of the roughening and leveling frame and the film paving frame, and therefore the tool for concrete finishing and thin film covering is obtained. The manufacturing method of the tool for concrete finishing and thin film covering has the advantages of being simple in device structure and convenient in manufacturing; through optimizing the concrete surface leveling process and film covering process, finishing and covering can be combined into a whole through the two processes,so that concrete forming quality as well as construction progress are improved; and compared with an existing tool combining functions of concrete finishing and thin film covering, the method disclosed by the invention has the advantages that phenomena of extrusion and concrete bulking do not generate, the surface quality of concrete can be guaranteed, and subsequent film covering can be facilitated

The invention discloses an intermittent quantitative blanking device and a control method thereof. The intermittent quantitative blanking device comprises a metal plate bin module, a quantitative blanking control mechanism and a blanking pipe, the metal plate bin module comprises a transition conical storage bin and a blanking bin connected to the lower portion of the transition conical storage bin, and the blanking pipe is installed on the lower portion of the blanking bin; and the inside of the blanking bin is connected with one end of the quantitative blanking control mechanism, a material level sensor is further arranged on the outer side of the blanking pipe, the material level sensor is electrically connected with an intelligent control module, and the intelligent control module is electrically connected with the quantitative blanking control mechanism. Quantitative alternate filling and blanking work is controlled through the quantitative blanking control mechanism, the amount of materials is proper, and the extrusion condition does not exist. When the material level is lower than a control material level reference line every time, a material level sensing signal is output to automatically control to complete each blanking action and supplement the material level, the influence of the filling speed is avoided, quantitative materials are ensured to be supplied to a feeder, and the consistency of parameters such as the material consumption, the density and the fluidity is realized.

The invention relates to the field of anti-skid products and provides an anti-skid adhesive film and a preparation method and application thereof. The anti-skid adhesive film comprises a hot-pressed adhesive film layer and a base layer, which are attached in sequence; the hot-pressed adhesive film layer is composed of the following raw materials in percentage by weight: 30%-40% of SEBS, 20%-35% ofparaffin oil with high viscosity, 30%-40% of paraffin oil with low viscosity, 1%-6% of titanium dioxide, 0.5%-2.5% of essence, 0.5%-2.5% of polypropylene, 0.1%-1.5% of an antioxidant and 0.1%-1% of an anti-sticking agent. The prepared anti-skid adhesive film has the characteristics of safety, no toxicity, higher tensile strength and elongation at break, good elasticity and light and thin hand feeling, and when the anti-skid adhesive film is applied to clothes, the clothes are not uncomfortable to wear.

The invention belongs to the field of powder raw material processing and particularly discloses a dust-free automatic accurate feeding system and method. The dust-free automatic accurate feeding system comprises a vibration feeding device, a dust-free feeding device, a support and a control device, wherein the vibration feeding device comprises a vibration charging barrel, a vibrator, springs anda decrement weighing module; the vibration charging barrel is fixed on the vibrator, the vibrator is fixed on the decrement weighing module through the springs, and the decrement weighing module is placed on the support; the dust-free feeding device comprises a flexible connection, a flow control valve, a labyrinth sealing assembly, a hopper and an increment weighing module; the upper end of the flow control valve is fixed on the support and is connected to a discharge port of the vibration charging barrel through the flexible connection, while the lower end of the flow control valve is connected to the hopper through the labyrinth sealing assembly, and the hopper is placed on the increment weighing module; and the control device is connected to the vibrator, the decrement weighing module,the flow control valve, the labyrinth sealing assembly and the increment weighing module. The dust-free automatic accurate feeding system realizes automatic accurate feeding and solves the problems of static electricity and dust emission.

The invention relates to a clamp and in particular relates to a flue hoisting clamp. The flue hoisting clamp comprises an extension pipe, a bracket plate connected at the bottom of the extension pipe and a flue frame connected at the top part of the extension pipe, wherein the flue frame is a square hollow straight tube which has a closed upper end and is larger than a flue, and a hook is arranged on the top surface of the outside of the straight tube; the extension pipe is composed of mutually-nested straight pipes, the length of the extension pipe in an extension state is equal to the length of the flue, the upper end of the straight pipe is arranged on the top surface of the inside of the flue frame, and an air bag is arranged between the straight tube and the extension pipe; the bracket plate is composed of two straight plates of which one ends are intersected, the intersected point of the straight plates is arranged at the bottom of the extension pipe by a locating pin, one end of the straight plate is provided with a baffle plate perpendicular to the upper end surface of the straight plate, and the lower end surface of the straight plate is provided with a spring for connecting the two straight plates. The flue hoisting clamp has the beneficial effects that when the flue is hoisted, the stressed area of the clamp and the flue wall is increased, and the flue outlet is prevented from collision.

The invention discloses a conveying mechanism for penicillin bottles during annealing of penicillin bottles. The conveying mechanism comprises an annealing furnace net belt and transmission chains arranged on two sides of the annealing furnace net belt, wherein the transmission chains comprise chain links and chain pins; the transmission chains are characterized in that chain pins are arranged inwards in an extending manner to be provided with connecting pins; the annealing furnace net belt comprises a plurality of conveying rollers which are arranged in parallel; the end parts of the conveying rollers are connected with the connecting pins; a plurality of V-shaped pillow plate groups are arranged in parallel along the conveying direction on the annealing furnace net belt; and each of the V-shaped pillow plate groups consists of at least two V-shaped pillow plates which are axially arranged on the conveying rollers along the conveying rollers from one end to the other end. The conveying mechanism disclosed by the invention has the advantages of being suitable can be for automated production line, capable of effectively guaranteeing the quality of the penicillin bottles, and being simple in structure and simple and convenient to produce.

The invention discloses a bioreactor for large-scale pond rearing of trepang and a construction method thereof. Net cage units are constructed, transporting and transplanting processes are conducted gradually, a pond forms diversified ecological same spaces which are isolated and interrelated, the increase of the motility of the trepang is thus facilitated, and the trepang is avoided to be excessively centralized in one block. Through the shielding effect on the water surface, gulfweed is cultivated, the trepang is fed at any time, the feed coefficient is increased, and defects existing in the exiting large-scale trepang pond rearing technology are avoided. According to the construction principle of the bioreactor, a favorable growth environment is provided, a suitable feed industry is provided, the bioreactor for large-scale pond rearing of the trepang is formed, and efficient rearing of the trepang is achieved.

The invention discloses an accommodation shed for municipal construction. The accommodation shed comprises a first base, a bottom plate is fixed to the inner side of the first base, and one end of thebottom plate is connected with a second base; a first shed plate is connected with the top end of the first base through a rotary shaft, a second shed plate is connected with the top end of the second base through a rotary shaft, and first limit clamping grooves are formed in the tops of the first shed plate and the second shed plate; water drainage grooves are clamped with the first limit clamping grooves, second limit clamping grooves are formed in the inner sides of the tops of the first shed plate and the second shed plate, and a top plate is transversely placed between the second limit clamping grooves; through the arranged rotary shafts and a supporting rod, the first shed plate and the second shed plate are respectively connected with the first base and the second base through therotary shafts, the accommodation shed can be conveniently stored, when the shed plates are unfolded, the supporting rod is utilized for fixing, the dismantling is convenient, the second base is higherthan the first base, in the storing process, the second shed plate can cover the first shed plate, the extruding phenomenon cannot occur, and the using effect is good.

The invention relates to a manual packaging aluminum foil paper cigarette mold, and belongs to the field of cigarette packaging molds. The mold comprises a placing mold, an elastic sheet and a formingmold; the placing mold consists of an inner liner paper support column and a cigarette support table, the inner liner paper support column and the cigarette support table are of integrally formed L-shaped structures, a circular arc groove in the longitudinal direction is formed in the upper end surface of the cigarette support table, two threaded holes are respectively formed in the two side walls of the cigarette support table, and the elastic sheet is fixed to the cigarette support table through screws matched with the threaded holes; the forming mold is in a cuboid shape, and a groove forallowing the placing mold to be smoothly inserted therein is formed in a cuboid. The mold solves an aluminum foil paper packaging problem of special cigarettes, has the advantages of simple structure,durability and convenient operation, and can quickly complete the inner liner paper packaging of the cigarettes.

The invention discloses a wet-to-dry dispersant-free method for producing ultrafine nanoscale dry powder and an involved device. The method comprises the following steps of grinding materials by a multistage wet grinding technology, carrying out heating concentration, and carrying out ultralow-temperature vacuum-sublimation drying to obtain nanoscale loose uncaked ultrafine dry powder. The nanoscale loose uncaked ultrafine dry powder reaches a domestic even world advanced level. The method adopts conventional equipment, advanced processes and a wet grinding technology, avoids dispersant use, better guarantees product quality and is suitable for popularization.

The invention belongs to the technical field of computers, and particularly relates to a conveying equipment capable of automatically sorting computer accessories through pressure difference. A hollowchamber base is fixedly connected with the interior of a processing base, a piston rod is movably connected with the interior of the hollow chamber base, and a piston base is fixedly connected to oneside of the piston rod. A compression seat is fixedly connected with one side of the piston base, a telescopic rod is movably connected with one side of the compression seat, the telescopic rod is sleeved with a telescopic spring, an air collecting bag is arranged inside the hollow chamber base and located on one side of the telescopic rod, and one side of the hollow chamber base is fixedly connected with an air pipeline. One end of the air pipeline is arranged inside a placement pipe in a penetration manner, and a pushing rod is movably connected to the interior of the placement pipe. According to the conveying equipment capable of automatically sorting computer accessories through pressure difference, the effect of sequential conveying is achieved without pressing, the production of computer main boards is benefited, and the equipment is convenient for workers to use.

The invention provides a skin fixator. The skin fixator includes a flexible outer casing pipe, a flexible inner casing pipe, a fixing string and a skin suture needle; the inner casing pipe includes a main pipe, the head end of the main pipe is provided with a skin fixing head, and a through hole which is communicated with the main pipe is formed in the skin fixing head; the portion, close to skin, of the main pipe is provided with a fixing part and a thread outlet hole; the tail end of the main pipe is inserted in the head end of the outer casing pipe, and the outer surface of the main pipe is attached to the inner surface of the outer casing pipe; the fixing string is arranged in the main pipe and the outer casing pile in a penetrating mode, and the head end of the fixing string stretches out of the main pipe through the thread outlet hole; the skin suture needle is connected to the head end of the fixing string. The skin fixator is simple in structure, reasonable in design and convenient to install, and the operation process of catheter fixing is greatly simplified; sliding structures of the inner and outer casing pipes, the fixing string and the skin suture needle are adopted to conduct fixing, and the possibility that a catheter slips inwards or outwards is avoided; the fixing effect is reliable; the fixing string is fixed on the inner casing pipe in a twined mode and not directly tied on the catheter and has no squeezing action to the catheter, and the liquid flowing in the catheter is not influenced.

The invention discloses a novel assembled buckling-restrained brace. The novel assembled buckling-restrained brace comprises an outer connecting plate and an anti-instability steel pipe, the outer connecting plate is fixedly connected with a force transmission round pipe, the force transmission round pipe is nested in the anti-instability steel pipe, the end, away from the outer connecting plate,of the force transmission round pipe is connected with a round connecting end plate in a welded mode, and the other end of the round connecting end plate is connected with a dumbbell-shaped energy consumption cone steel bar in a friction welded mode, cross stiffening ribs are embedded in the ends, away from the connecting plates, of the force transmission round pipes, the circle centers of the force transmission outer connecting plates, the circle centers of the anti-instability steel pipes, the circle connecting end plates, the circle centers of the dumbbell-shaped energy dissipation cone steel bars, the circle centers of the cross stiffening ribs and the circle centers of the force transmission round pipes are located on the same axis, gaps of 2 mm are formed in the force transmission round pipes and the anti-instability steel pipes, and the cross stiffening rib is connected with the circular connecting end plate in a welding manner and is not fixedly connected with the force transfer circular pipe. The structure is convenient to machine, easy to install, environmentally friendly, capable of improving production efficiency, stable in structural form and capable of remarkably enhancing energy consumption capacity and improving shock resistance and shock absorption capacity of the structure.

The invention relates to an automatic feeding green feed chopper which comprises an automatic feeding mechanism, a transmission transfer mechanism, a main cutter, a stand and a motor, wherein the automatic feeding mechanism comprises a first roller assembly, a second roller assembly, a conveying belt and a combined cutter; the transmission transfer mechanism comprises a small chain wheel, a transfer shaft, a bevel gear, a main large chain wheel and a main shaft; the power of the motor drives the main shaft to rotate by chain transmission so that the cutter rotates to realize the chopping of green feed; the combined cutter is installed on the conveying belt; and the cutters plane cut feed at a feeding roller inlet, and the planed feed is pushed to the main cutter for cutting so as to realize automatic feeding. The chopper prevents manual feeding, improves the safety of operation and has the advantages of continuous feeding process and high working efficiency.

A blood purification regulating nursing bed and an operation method are disclosed. The blood purification regulating nursing bed comprises a bed frame, one side of the bed frame is fixedly connected to a track beam in an adhered manner, the track beam is provided with a passageway which is trapezoidal in cross section, an inner part of passageway which is trapezoidal in cross section is provided with a group of trapezoidal sliding blocks that are provided with arc-shaped grooves that are inserted into a bottom part of a U-shaped member and are fixed thereto via screws, tubes are placed in theU-shaped member, a left side of a top part of the U-shaped member is fixedly connected to a left bottom magnetic plate, a right side of the top part of the U-shaped member is fixedly connected to a right bottom magnetic plate, a bottom part of a half opening-shaped iron member is attracted between the left bottom magnetic plate and the right bottom magnetic plate, and therefore the left bottom magnetic plate and the right bottom magnetic plate are connected to each other, a top part of the half opening-shaped iron member is connected to an open elastic sleeve, and the tubes are accommodated inthe half opening-shaped iron member is and the open elastic sleeve. The blood purification regulating nursing bed and the operation method disclosed in the invention are used for the blood purification regulating nursing bed.

The invention belongs to the technical field of medical apparatus, and specifically relates to a traditional Chinese medicine (TCM) bone fracture splint for a medical instrument. The TCM bone fracturesplint for a medical instrument includes a bone fracture fixing device, an auxiliary bandage device and a massage device, wherein the bone fracture fixing device comprises a bone fracture fixing bandage, a splint and a contraction band; a splint mounting bag and a pressing plate mounting bag are arranged on the outer side surface of the bone fracture fixing device; the splint is fixedly insertedinto the splint mounting bag; by setting the pressing plate, when a patient needs massage, the pressing plate in inserted so as to enable a massage vibrator at the inner side to press the skin of thepatient, thus getting better massage effect, and when the patient does not need massage, if the pressing plate is taken down, the massage vibrator is depressed to the original position where the pressing plate is mounted, so that the patient does not feel pressed; a cushion protection lining and a TCM dressing band are arranged in the inner side, so that the bone fracture fixing bandage can be worn in a more comfortable manner, and by means of the effect of the TCM in the TCM dressing band, wound healing can be facilitated; and at the same time, a storage battery is arranged, so that the TCM bone fracture splint for a medical instrument is convenient to use.

The invention belongs to the technical field of doors or windows, and particularly relates to energy-saving bolt supply equipment capable of realizing automatic classification according to pressure difference. The equipment comprises a detection seat, wherein the lower surface of the detection seat is fixedly connected with a support seat, the inside of the support seat is fixedly connected with ahollow cavity seat, and the inside of the hollow cavity seat is movably connected with a piston rod; elastic frames are movably connected to the left side and the right side of the piston rod, pistonseats are fixedly connected to the side ends of the elastic frames, one ends of the hollow cavity seats penetrate through the interior of the conveying pipeline, pushing seats are movably connected to the interior of the conveying pipeline, and telescopic springs are movably connected to the side surfaces of the pushing seats. The side surface of the telescopic spring is movably connected with athreaded ring, and the side surface of the conveying pipeline is fixedly connected with a containing groove. When the equipment is used, an effect of classification in the feeding process can be achieved, automatic sorting can be achieved, certain workload is reduced, and machining of doors or windows is facilitated.

The invention provides an automatic polishing production line of a mobile phone shell. The automatic polishing production line mainly consists of a conveying mechanism, an automatic loading and unloading area arranged on one side of the conveying mechanism, and an automatic polishing area; the automatic loading and unloading area is combined by an automatic loading and unloading device and a loading and unloading robot, and realizes automatic loading and unloading of the mobile phone shells without errors; the automatic polishing area includes multiple full-automatic polishing machines arranged in one row at intervals; polishing robots, polishing controllers, mobile phone shell positioning tools, automatic abrasive paper loading mechanisms and automatic abrasive paper tearing mechanisms are mounted on the full-automatic polishing machines; the full-automatic polishing machines automatically finish such heavy polishing work as traditional manual polishing and abrasive paper replacement; and a conveying stop mechanism can accurately stop the mobile phone shell, so that the stop position is not deviated, the precise taking of the polishing robots is convenient, and the condition of product extrusion cannot be generated. The automatic polishing production line realizes full-automatic polishing of the mobile phone shell, saves a lot of manpower and material resources, is free of influencing the yield by the worker factor, and greatly improves the production efficiency and the production safety.

The invention discloses a toggle switch with good sealing performance, and relates to the technical field of toggle switches. The toggle switch comprises a deflector rod, wherein the lower end part of the deflector rod is in a rod body structure shape, downwards penetrates through an upper clamp body and flexible silica gel in sequence and extends into a blind hole in the middle of a lower clamp body, the lower clamp body is provided with a step, the step is provided with an outer shell in a matched manner, a lining is arranged between the outer shell and the upper clamp body, a rotating shaft horizontally penetrating through the lining and the shifting rod is arranged above the lining, the upper clamp body is composed of semicircular plates which are symmetrically arranged, the space formed by the upper clamp body, the lining and the lower clamp body is filled with flexible silica gel, a connecting plate is fixedly arranged at the lower end of the lower clamp body, and the connecting plate is fixedly arranged on the base body through a positioning pin and a connecting bolt. The combination part of the flexible silica gel and the deflector rod is optimized and improved, so that the extrusion resistance of the flexible silica gel is improved, the fatigue strength of the flexible silica gel is prevented from being reduced, the overall sealing reliability of the product is improved, and the service life of the product is prolonged.

The invention relates to a delivery pipe (1) for transporting solid materials, said delivery pipe comprising a tubular body (9) provided with a coupling shoulder (15) on each end (14). Said coupling shoulder (15) comprises a free region (21) on the inner peripheral surface (IB) thereof, on the end (20) thereof opposing the front side (19) thereof. A sealing body (22) is arranged in the free region (21). The invention also relates to a method for fixing a coupling shoulder to an end of the tubular body of a delivery pipe by adhesion. Said method is characterised in that a sealing body is arranged on an outer peripheral surface of the tubular body, and the outer peripheral surface between the sealing body and a front side is coated with an adhesive. The coupling shoulder or the tubular body is then rotated about the longitudinal axis of the pipe, and the coupling shoulder is pushed against the end of the tubular body or vice versa. The sealing body is then pushed into a free region of the coupling shoulder.

The invention provides an one-size elastic shoe cover 10, wherein positive pressure is distributed in a differentiated mode under the load state of the upper face, and the one-size elastic shoe cover 10 is excellent in protection performance, high in comfort degree and wide in applicable size change. The shoe cover comprises a sole 3, a shoe cover upper 1 and a foxing strip 2, and is characterized in that the foxing strip 2 is arranged on the outer edge of the sole, and the perimeter of the non-connecting edge 22 of the foxing strip is not larger than the perimeter of the outer edge 32 of the sole and is used for hooping the shoe cover; when the load of the one-size elastic shoe cover 10 is 120%, the fixed elongation load of the sole 3 in the shoe length direction is not greater than the fixed elongation load of the foxing strip 2 in the shoe length direction; and when the shoe cover upper surface 1 directionally extends to 200% of the original length, the fixed extension load of the shoe cover upper surface 1 is less than 50N. Three-dimensional adaptive wrapping can be carried out according to the size change of shoes of a wearer, and the shoes are wide in size range, high in flexible applicability, resistant to abrasion, practical and high in comfort level.

The invention relates to an automatic feeding green feed chopper which comprises an automatic feeding mechanism, a transmission transfer mechanism, a main cutter, a stand and a motor, wherein the automatic feeding mechanism comprises a first roller assembly, a second roller assembly, a conveying belt and a combined cutter; the transmission transfer mechanism comprises a small chain wheel, a transfer shaft, a bevel gear, a main large chain wheel and a main shaft; the power of the motor drives the main shaft to rotate by chain transmission so that the cutter rotates to realize the chopping of green feed; the combined cutter is installed on the conveying belt; and the cutters plane cut feed at a feeding roller inlet, and the planed feed is pushed to the main cutter for cutting so as to realize automatic feeding. The chopper prevents manual feeding, improves the safety of operation and has the advantages of continuous feeding process and high working efficiency.

The invention discloses a double-track hanging-type track car which comprises tracks with n-shaped cross sections, hanging devices, driving devices and carriages. The carriages are hung on the lower portions of the tracks through the hanging devices, and the carriages travel on the tracks through the driving devices; each hanging device comprises a first traveling and guiding assembly, a second traveling and guiding assembly, a driving support, a connecting frame and a hinged hanging device; the first traveling and guiding assemblies are mounted at one ends of driving shafts and travel along the tracks, and the second traveling and guiding assemblies are mounted at the bottom ends of the driving supports and travel along the tracks; the driving shafts are mounted on the driving supports, and the hinged hanging devices are mounted at the bottom ends of the driving supports through the connecting frames and rotate relative to the driving supports; each driving device comprises a drivinggear and a driver which is mounted on the corresponding driving gear through the corresponding shaft, and racks are arranged inside the tracks; and the driving gears are matched with the racks in an engaged mode. According to the double-track hanging-type track car, the grade ability is high, and safe curve travelling is achieved.

The invention discloses a cutting device for photoelectric optical fiber composite cable production. The cutting device comprises a cutting box; a feeding disc is installed at the front end of the cutting box; two sets of first motors are installed on one side of the cutting box; a conveying ring is installed on the inner side of the cutting box; a cutting assembly and a separating assembly are installed on the inner side of the cutting box; the cutting assembly is located on one side of the separating assembly; a collecting box is installed at the bottom end of the inner side of the cutting box; the cutting assembly comprises a damping stabilizing disc; a fixed ring and a movable ring are installed in the middle of the damping stabilizing disc; the movable ring is located on the inner side of the fixed ring; multiple sets of clamping arms are installed between the movable ring and the fixed ring; and two groups of friction rotating wheels are installed on the outer side of the movablering. The cutting effect can be improved in cooperation with high-speed rotation, a cut object can be evenly stressed, the cutting quality is guaranteed, and the reusability of various materials in the optical fiber composite cable is guaranteed.

The invention discloses an automatic milling machine feeding and charging device. The automatic milling machine feeding and charging device comprises first conveying belts, guiding columns, a base anddiscs. The guiding columns perpendicular to the base are connected to the two ends of the top of the base in a welding manner. A moving block is arranged on the outer side of each guiding column. A pair of first sliding grooves are symmetrically formed in the outer side wall of each guiding column. A sliding block is arranged on the inner side of each moving block, and each slide is matched withthe corresponding first slide groove. A pair of fixing lugs is symmetrically arranged on the two sides of the top of the outer side of each moving block. A pair of first extending-and-contracting rodsis symmetrically connected to the top of a first base on the outer side of each guiding rod in a welding manner, and each extending-and-contracting rod is parallel with the corresponding guide column. The outputting end of each first extending-and-contracting rod is connected with the corresponding fixing lug in a welding manner. The invention further provides a use method of the automatic milling machine feed and charging device. According to the automatic milling machine feeding and charging device, the same devices are symmetrically arranged on the left side and the right side of the base;working is conducted on the left side and the right side at the same time; automatic feeding and charging can be conducted on guiding column tools; the problem that danger is generated when feeding and discharging are conducted by workers; working is conducted on the devices on the left side and the right side at the same time; work efficiency is great improved.

The invention relates to the field of agriculture, in particular to a feed preservation warehouse. The feed storage warehouse comprises a frame body and a plurality of transverse movable rods arrangedinside the frame body, longitudinal fixed rods are arranged on the periphery of the frame body, the transverse movable rods are connected to the longitudinal fixed rods in a sleeve mode, wherein eachtransverse movable rod comprises an X-axis direction transverse rod body and a Y-axis direction transverse rod body, the X-axis direction transverse rod bodies and the Y-axis direction transverse rodbodies are arranged in a crossed mode, guide rods are arranged between the connected longitudinal fixed rods, and the end portions of the X-axis direction transverse rod bodies and the end portions of the Y-axis direction transverse rod bodies are connected to the guide rods in a sleeve mode. According to the feed preservation warehouse, excessive feed is prevented from being preserved in a stacked mode, the adjacent feed can not make contact or make less contact with each other so that the circumstance of extrusion can be avoided, the possibility of feed mildewing is also reduced as much aspossible, motors drive the X-axis direction transverse rod bodies and the Y-axis direction transverse rod bodies to move, so that the whole adjusting process is more automatic.