277results about How to "With buffer" patented technology

The invention discloses a camera head for artificial intelligence which is easy to assemble and disassemble. It comprises a mounting plate and a fixing plate. The camera body and the lower part of the outer surface of the fixed plate are fixedly connected with two symmetrical baffles. The camera for artificial intelligence that is easy to disassemble and assemble can be snap-fitted to the fixed plate, and can quickly disassemble and assemble the camera. The falling of the fixing plate and the camera body can be avoided, and the fixing plate and the camera body can be taken out without disassembling the mounting plate. In normal use, it has a certain buffer performance, which ensures the relative stability of the fixed plate and the camera body, good stability and more convenient use.

The invention puts forwards an automatic precision rotary cutting machine. Before a rotary cutting device begins to perform rotary cutting, a first lifting driving device slides away from a second clamping part along a first horizontal guiding rail, a first lower telescopic supporting rod and a second lower telescopic supporting rod slide to make contact with a log in an abutting manner, the log is supported to abut against an upper driving wheel single body, a first advancing and retreating motor drives a first rotating shaft to move away from a second clamping part, a first lifting frame moves to the height, corresponding to the circle center of the log, of a first cutter, a worker rotates a first operating handle for adjustment, the first clamping arm clamps the log, a controller controls driving of a first lifting motor, the pressure applied by a first main base plate to the first lifting frame before the log is clamped is equal to the pressure after the log is clamped, the first lifting driving device slides towards the second clamping part along the first horizontal guiding rail, the first rotating shaft moves towards the second clamping part, and the first cutter is automatically aligned to the log.

The invention discloses a light-weight rope-driven intelligent ankle joint exoskeleton system, which comprises a smart phone, an exoskeleton main body part and a control box part, wherein the smart phone gets communication with the control box part via wireless signals, so that human body motion data is acquired and human body motions are monitored; and command signals are transmitted to the control box part, so that the exoskeleton main body part can implement corresponding motion modes or actions. According to the light-weight rope-driven intelligent knee joint exoskeleton provided by the invention, calf exoskeletons and foot exoskeletons are processed by 3D printing, and the exoskeleton, which is made from such materials as nylon, resin and the like, has the advantages of being light inweight and low in inertia in comparison with exoskeletons of conventional metal skeletons; and according to the light-weight rope-driven intelligent knee joint exoskeleton which is subjected to Bowden cable driving, a motor, a speed reducer and the like can be kept in the control box and can be bound around the waist of a user, so that the weight of the leg exoskeletons is further reduced.

The invention discloses a method for producing corrugated paper and bobbin paper by manioc waste and lees. The manioc waste and the lees are purified, ground, washed, and dehydrated respectively; impurities are removed; plant fiber is retained; the mixture of treated manioc waste and lees is mixed with waste paper stock according to the proportion of 1-7 to 3-9; and a paper-making additive is properly added to produce the corrugated paper and the bobbin paper. The method fully utilizes production wastes, namely the manioc waste and the lees to produce good and cheap corrugated paper and bobbin paper. The methd has the advantages of adequate production raw materials, low cost, simple and convenient operation, good product stability, large market potential, and high product profit, prolongs industrial chains of the manioc waste and the lees, solves the waste utilization problem of the prior manioc waste and lees, also reduces the environmental protection pressure of enterprises, improves the economical benefit of the enterprises, drives surrounding villages to be commonly prosperous, and has good social benefit and environmental protection benefit.

The invention discloses a sheet hardware cutting device for hardware electromechanical. The sheet hardware cutting device for the hardware electromechanical comprises a box body, wherein four cornersat the bottom of the box body are provided with rollers, the front face of the box body is hinged with a door body through a hinge shaft, a control panel is installed at the center of the front face of the door body, the left and right side walls at the top of the box body are symmetrically provided with conduits, sliding cavities are formed in the outer walls of the conduits, a fixed seat is installed at the top of the box body, the two ends of the top of the fixed seat are provided with electric sliding rails, and sliding bars are slidingly installed in the electric sliding rails. Accordingto the invention, the sheet hardware to be cut is placed above a worktable, a turntable is rotated so that the turntable drives a baffle to move, the baffle drives a splint to approach the hardware until the hardware is fixed and clamped by the splint, the hardware is convenient to fix, displacement during cutting is avoided, under the action of a positioning spring, the splint has a certain buffer force on the hardware, and the hardware is avoided to be pinched.

The invention discloses a novel anti-drop-beam device, and belongs to the technical field of an anti-drop-beam of a bridge. The device comprises an inhaul cable anti-drop-beam structure and a limit anti-drop-beam structure; in the inhaul cable anti-drop-beam structure, two fixed anchored plates are respectively fixed on two beam bodies, the two fixed anchored plates are connected through an inhaul cable, one end of the inhaul cable is connected on one fixed anchored plate through a rubber cushion, and the other end of the inhaul cable passes through another fixed anchored plate and then is connected with a friction energy consumption device and the lower ends of the two fixed anchored plates are fixedly connected with the limit anti-drop-beam structure; in the limit anti-drop-beam structure, the upper ends of two vertical anchor rods are respectively fixed at the lower ends of the two fixed anchored plates, and the lower ends of the two vertical anchor rods are respectively and fixedly connected with the two fixed anchored plates. According to the device provided by the invention, by adopting a way that the inhaul cable anti-drop-beam structure and the limit anti-drop-beam structure are combined, the stability of the bridge can be improved, the effects of buffering as well as damping and energy dissipation can be realized, and the secondary defense anti-drop-beam effect can be reached.

The invention discloses equipment with a buffer function for traditional Chinese medicine processing. The equipment comprises a shell body, wherein an installation plate is fixedly connected into theshell body, the right end of the installation plate is configured to penetrate through the shell body, a moving groove with an opening configured to be upward is formed in the installation plate, a moving block is arranged in the moving groove, a horizontal thread through hole is formed in the moving block, a horizontal thread rod is connected into the horizontal thread through hole through a thread, the two ends of the horizontal thread rod are rotationally connected with the installation plate, and the right end of the horizontal thread rod is fixedly connected with an output shaft of a first motor; and a slicing plate is fixedly connected to the upper side of the moving block through an installation block, and a clamping device is arranged at the right end of the slicing plate. The equipment disclosed by the invention has the following beneficial effects: when a blade makes contact with the slicing plate, the blade moves upwards a section of distance to compress a spring, a certainbuffer amount is achieved, and the blade can be effectively protected while traditional Chinese medicines are sliced, so that the service life of the blade is prolonged.

The invention relates to fireproof flame-retarding polystyrene foam which is technically characterized in that an inorganic flame retardant, a water-soluble adhesive, an inorganic dispersing agent, a strength enhancer, water and a foaming agent are added into polystyrene foam plastic granules, extracted from waste polystyrene foam plastics, and ordinary polystyrene foam plastic granules. The invention further provides a production method of the fireproof flame-retarding polystyrene foam. The fireproof flame-retarding polystyrene foam disclosed by the invention has the physical and chemical properties of light weight, cushioning, heat insulation, chemical resistance and the like, and further has the characteristics of simple process, low cost, wide application range, long service life and the like.

The invention discloses a fabric surface fold ironing and leveling mechanism, and belongs to the technical field of leveling. The fabric surface fold ironing and leveling mechanism comprises a bottomplate, two first support plates and two second support plates are connected to the outer wall of the top of the top of of the bottom plate respectively, a top plate is connected to the tops of the first support plates and the second support plates, a fixed plate is connected between the bottom plate and the top plate, a through groove is formed in the fixed plate, a placing plate is connected to the interior of the through groove, a fixed block and a baffle are connected to the outer walls of the two sides of the fixed plate respectively, a sliding groove is cut in the fixed block, a second connected plate is in sliding connection with the interior of the sliding groove, a leveling plate is connected to the bottom of the second connecting plate, and a hot-air blower is connected to the interior of the baffle. Accordingly, folds on the surface of a fabric can be ironed and leveled conveniently, the subsequent operation can be conducted on the fabric, and the work efficiency is improved.

The invention discloses a magnetic force swinging type soybean oil atomizing and spraying device of an ornamental type fish color increasing feed. Through the magnetic suction effect of each iron block and a corresponding third magnet, each moving column in a corresponding elastic telescopic device extends outwards to drive a corresponding material pushing plate to move, so that the purpose of moving the material pushing plates in a reciprocating manner is realized, the mixing effect of soybean oil is obvious, and the atomizing quality is improved; the directions of the south magnetic pole andthe north magnetic pole of two first magnets are opposite, and the directions of the south magnetic pole and the north magnetic pole of two second magnets are the same, so that the first magnets andthe second magnets arranged in corresponding positions are alternatively attracted and repelled, and a material guiding platform is in reciprocating swinging; raw materials in a housing are transported to the material guiding platform through a material cycling device, so that the raw materials on the material guiding platform are continuously rolled, the adsorbing effect of vaporific soybean oilby the raw materials is improved, and the quality of products is improved; and first spiral springs are used for enabling the material guiding platform to have certain buffering in the swinging process, so that the rolling speed of the raw materials is uniform.

The invention discloses a pipeline penetration structure and relates to the field of pipeline vibration reduction. The system comprises a transition pipe and two corrugated pipes, wherein a sleeve is arranged on the transition pipe in a sleeving manner, and a containing chamber is formed between the transition pipe and the corrugated pipes and is filled with damping materials; the two corrugated pipes are respectively arranged on two sides of the sleeve and respectively arranged at two ends of the transition pipe in a sleeving manner; one end, which is close to the sleeve, of each of the corrugated pipes is connected with the sleeve; an annular plate is arranged on an end face, which is far away from the sleeve, of each of the corrugated pipes; meanwhile, the transition pipe, the sleeve, the corrugated pipes and the annular plate form a sealed area together in a surrounding manner, and the containing chamber is formed in the sealed area. According to the pipeline penetration structure provided by the invention, a cabin space can be effectively sealed, leakage of hazardous substances in the cabin is avoided, the other corrugated pipe can achieve a sealing effect when one corrugated pipe is damaged, and the sealing safety and reliability of the cabin are greatly improved. In addition, the corrugated pipes have buffering and damping effects, and metal corrugated pipes are particularly applied to special application fields at a high cabin temperature.

A preparing method of a sandwich-structured composite material is provided. The composite material includes a first layer, a middle layer and a second layer which are laminated in order. The first layer and the second layer are fiber-reinforced plastic layers. The middle layer is a foam core material layer. The method includes mixing resin and a curing agent to prepare matrix resin; infiltrating aglass fiber fabric and / or glass fiber felt with the matrix resin to obtain fiber-reinforced plastic preform layers; putting the fiber-reinforced plastic preform layers at two sides of the middle layer; performing lamination and solidification to obtain the composite material in which the foam core material layer is sandwiched with the fiber-reinforced plastic layers. The composite material maintains high rigidity and aging resistance characteristics of fiber-reinforced plastic, also utilizes high shearing strength, good toughness and buffer and heat insulation functions of structured foam, can enhance bonding firmness of the layers, can enhance mechanical properties, and can ensure smoothness of external surfaces of the fiber-reinforced plastic layers so as to obtain a good self-cleaningeffect.

The invention provides wear-resistant rubber and a preparation method of the rubber, as well as a double-hardness and double-physical-property rubber sole and a preparation technology of the sole. The wear-resistant rubber can be obtained through the steps of: weighting required materials in proportion, then implementing closed milling, implementing opened milling, implementing vulcanization, and measuring a vulcanization curve. According to the double-hardness and double-physical-property rubber sole, a wearing-prone part of a heel is made from the wear-resistant rubber, while other parts are made from common rubber. The sole can be obtained through the steps of getting the wear-resistant rubber for later use, shaping a wear-resistant block by oil pressure, shaping a big sole, and post-treating. According to the sole produced by the formula and the production technology, the product cost is lowered and simultaneously the requirements of different people are met; and the produced finished product sole is improved in appearance grade and has the effects of good quality, comfort, wear resistance, shock absorbing, and the like.

The invention discloses a parking space management system and method. The system comprises a parking space lock and a parking space controller, the parking space lock comprises a lock box body, a parking space retaining plate, a parking space retaining plate linkage mechanism and a parking space retaining plate locking mechanism, the parking space controller comprises a controller box, a control panel, a buzzer and a communication module, the control panel and the buzzer are arranged in the controller box, a display screen, an indicator lamp and a camera are arranged on the side face of the controller box, the communication module is arranged in the controller box and connected with the control panel, and the control panel is connected with a background parking lot management system through the communication module. The parking space management system uses the parking space lock and the parking space controller as core devices for parking space management and combined with the background parking lot management system for realizing management of a parking space, on-site management can be realized directly through the parking space controller, online booking and remote management can be realized by combining the parking space management system with the background parking lot management system, and the parking space management system can be used for parking space management of parking lots and private parking spaces.

The invention relates to a universal rotation spherical blender, in particular to a universal rotation spherical blender with low noise, low operation cost, high operational efficiency and good blending effect. The universal rotation spherical blender comprises a base, a bracket which can rotate relative to the base, and a spherical pan body, a blending mechanism, a rotating mechanism and a turnover mechanism which are fixed on the bracket. The universal rotation spherical blender is structurally characterized in that the rotating mechanism comprises a rotating motor, a transmission gear and a driving belt pulley which are arranged on the bracket and are sequentially connected, a driven belt pulley arranged on the spherical pan body and a belt connecting the driving belt pulley with the driven belt pulley. The blending mechanism comprises a motor, a reducer, a driving shaft, a driven shaft and blending fin which are sequentially connected, and the driving shaft is connected with the driven shaft by gear engagement; and the blending fin is arranged at the lower end of the driven shaft and consists of a beam and a plurality of prongs and screwed plugs, the prongs and pipe plugs are arranged on the beam, and springs are arranged in the prongs and the pipe plugs.

The invention discloses a power battery, a temperature control method of the power battery and a new energy vehicle to solve the problem of poor temperature control of existing power batteries. The power battery comprises a casing, cells, flexible heat-conducting strips and finger plate tools, wherein gaps I between the cells and gaps II between the cells and the inner wall of the battery casing are filled with flexible heat-conducting strips arranged in pairs, and the finger plate tools are inserted in gaps between the flexible heat-conducting strips to be in surface contact with the flexibleheat-conducting strips; each flexible heat-conducting strip comprises a flexible heat-conducting material, a copper tube, an electric heating wire and a temperature sensor, and two ends of each flexible heat-conducting strip extend to the outer side of the battery casing and are connected with a heat-conducting solution circulating system and an electric control system. The power battery adoptingthe structure has an excellent temperature control effect and can have multiple effects of thermal insulation, heating and cooling of the cells, so that the cells are always within the best working temperature range, and the temperature difference between the cells in a battery pack can be controlled within + / -3 DEG C.

The invention provides a parking space management device, which structurally and partially comprises a base, a press plate executing mechanism, a baffle plate executing mechanism and a steel wire rope transmission mechanism, wherein the press plate executing mechanism, the baffle plate executing mechanism and the steel wire rope transmission mechanism are arranged in the base; the press plate executing mechanism comprises a press plate, a guide post, a first spring and a steel wire rope connecting post, and has a self resetting function; the press plate executing mechanism and the baffle plate executing mechanism are connected through the steel wire rope transmission mechanism; the baffle plate executing mechanism comprises a baffle plate and a pre-tightening spring; and the initial state of a baffle plate can be in either one state in the following two states: 1, in a vacant state of a parking space without a car, the press plate is positioned in a high position, the baffle plate is flatly placed, and the state is a vacant and available-parking-space state; and 2, in a vacant state of the parking space without the car, the press plate is positioned in the high position, the baffle plate is in an inclined state, and the state is the vacant and occupied-parking-space state. The parking space management device has the advantages that the structural design is ingenious; the action of the baffle plate is realized through the self weight of the car and the transmission of the steel wire rope transmission mechanism; the automation degree is high; and no energy is consumed.

The invention discloses an intelligent storage device used for a welding tool and provided with a clamping function. The intelligent storage device comprises a base. A groove is formed in the middle of the upper surface of the base. By the adoption of the intelligent storage device used for the welding tool and provided with the clamping function, the welding tool can be effectively classified and stored, the certain anti-sliding performance is provided, the welding tool is effectively prevented from falling off, and the stable storage effect is good; through the elastic force of strong springs, the welding tool can be stored in a clamped manner, the good clamping function is achieved, the welding tool is effectively prevented from swinging, and the use is more convenient; the certain buffer performance is provided, the collision force on the base can be reasonably buffered, and the shock absorption effect is good; and the storage frame can be flexibly rotated, the placing angle of the storage frame can be adjusted correspondingly according to the actual requirement, the flexibility is good, extrusion plates, push rods and clamping plates can move synchronously just by moving control rods, and the flexible taking and putting of the welding tool are guaranteed.

The invention discloses a hydraulic oil cylinder loading test hydraulic system which includes an oil tank body, a test system, a power system and a tested oil cylinder. The test system includes an H-type functional electromagnetic reversing valve, a plug-in mounting type left electromagnetic ball valve connected with a port A, a plug-in mounting type right electromagnetic ball valve connected witha port B, two manual ball valves and two pressure gauges. The power system includes a liquid filling unit and a loading unit. The upper part of the liquid filling unit is provided with a pressure switch and a one-way valve in turn, is connected to a port P of the electromagnetic reversing valve, and is in parallel connection with a low pressure overflow valve. The loading unit is connected to theport P of the electromagnetic reversing valve through the check valve, converges with the liquid filling unit, and is in parallel connection with a high pressure overflow valve. The installed power of the system is reduced by double-pump converging configuration, the pressure switch is adopted to detect loading pressure, the operation is convenient and reliable, and no energy waste is caused.

The invention relates to a tea leaf rolling machine convenient to clean. The tea leaf rolling machine comprises a base, a supporting device, a rolling disk, a driving block, a pressurizing block and aplurality of driving mechanisms, wherein the supporting device comprises a lifting mechanism, a lifting board, a veering mechanism, a veering board and a vibrating mechanism; the vibrating mechanismcomprises a reciprocating assembly, a reciprocating board, two vertical rods and a plurality of vibrating assemblies; the reciprocating assembly comprises a first motor, a driving wheel, a driving rod, a reciprocating frame and a connecting board; and each driving mechanism comprises bearing columns, a moving assembly, arc-shaped boards, elastic assemblies, a connecting rod, a rotating disk and ahorizontal rod. According to the tea leaf rolling machine convenient to clean, through the moving assemblies, after all the arc-shaped boards are mutually away from each other, the rolling disk is driven by the lifting mechanism to move upwards, and tea leaves on the inner sides of the arc-shaped boards are scraped away, so that cleaning of the arc-shaped boards is realized; and in addition, afterthe veering mechanism is used for driving the rolling disk to incline, the vibrating mechanism is used for beating the lower part of the rolling disk, so that the tea leaves on the rolling disk slipdownwards, cleaning of the rolling disk is realized, and the practicality of the equipment is improved.

The invention discloses a PCB patch adhesive dispensing device, which mainly solves a problem that an interval of PCB conveying lines is fixed and cannot be adjusted, only the PCB of a certain fixed size can be treated with adhesive dispensing and application range is small in the existing technology. The PCB patch adhesive dispensing device comprises a first frame, a STM patch feature mechanism,a second frame, an electric control cabinet, an operating panel and a PCB adhesive dispensing mechanism; the PCB adhesive dispensing mechanism comprises a conveying line adjusting mechanism and an adhesive dispensing mechanism. The conveying line is designed to be an interval-adjustable adjusted conveying line mechanism, and by a mode of driving ball screws by a synchronous motor, the interval ofthe conveying lines can be adjusted according to size of the PCB, thus, the PCBs of different size can be treated with adhesive dispensing, and the application range is wide.

The invention discloses a degradable sanitary brush bristle. The degradable sanitary brush bristle is prepared from the following raw materials in parts by weight: 85-95 parts of polyethylene, 15-20 parts of plant fiber, 0.4-0.8 part of a lubricant, 0.1-0.5 part of a coupling agent and 1-5 parts of an additive, wherein the additive comprises a foaming agent masterbatch. Through addition of the foaming agent masterbatch into polypropylene, the degradable sanitary brush bristle is good in heat stability, relatively high in tensile strength and impact strength and excellent in microwave adaptability, has the advantages of light weight, heat insulation, cushioning, anticorrosion, high specific strength, low price and the like, and has greatly improved mechanical properties and heat performance; the added coupling agent is easily oxidatively degraded, so that the degradable sanitary brush bristle has a fully-degradable function; through addition of the plant fiber, the degradable sanitary brush bristle has a good environment-friendly effect. The invention further discloses a production method of the degradable sanitary brush bristle.

The invention discloses a device for automatically detecting the thickness of a sapphire wafer. The device comprises a support machine frame, an upper visual device, a detection device, a guide installation plate, a lifting conveying device, a lower visual device and a marble detection platform; the upper visual device and the lower visual device are used for finding the initial detection positionof the sapphire wafer and capable of reading and detecting the data index of the thickness of the sapphire wafer printed on a ceramic plate; the detection device is used for measuring the thickness of the sapphire wafer; the lifting conveying device can realize automatic horizontal transportation and vertical lifting transportation of the ceramic plate; the fact that the ceramic plate is automatically transported to a detection position is realized; the marble detection platform is used for placing the ceramic plate; and the detection stability and accuracy can be ensured. The device in the invention has the advantages of being high in detection efficiency, detection precision and automatic degree, simple in structure, convenient in assembly and maintenance and high in compatibility.

The invention discloses a welding machine with a clamping mechanism. The welding machine comprises an operating table, wherein the top side of the operating table is fixedly equipped with a supportingrod; one side of the supporting rod is fixedly equipped with a transverse arm rod; the bottom side of the transverse arm rod is fixedly equipped with a welding head; the welding head is positioned above the operating table; the top side of the operating table is equipped with a horizontal regulating mechanism for regulating a welding position; the horizontal regulating mechanism comprises a firstslide slot formed in the top side of the operating table; and the inner wall of one side, close to the supporting rod, of the first slide slot is fixedly equipped with a first rotary motor. The welding machine can be used for conveniently regulating the position and the angle position, in the horizontal direction, of a rotary table, can be convenient for regulating the height position of a clamped part, is convenient for operation of a small part, can be used for conveniently and stably clamping the object, prevents the object from dropping, has certain buffer force for the clamped object, can prevent the clamped part from being damaged, is convenient for protecting a motor, and prevents the clamping mechanism from being damaged.

The invention relates to the field of buildings, in particular to a piling mechanism with a mining function for constructional engineering, and a working method. The piling mechanism comprises a carrier and also comprises a controller, a position regulation device, a drilling and mining device and a hammering device, wherein the position regulation device comprises a rotary disk, a driving component and a sliding component; the top of the rotary disk is fixedly provided with a supporting frame; two ends of the top of the supporting frame are symmetrically provided with a first sliding table and a second sliding table; the first sliding table and the second sliding table are independently provided with a first hydraulic rod and a second hydraulic rod in a sliding way; the drilling and mining device comprises a drill bit, a first connecting rod and a rotary component; the hammering device comprises a pile hammer, a second connecting rod and a guiding component; and the first hydraulic rod, the second hydraulic rod, the driving component, the sliding component, the rotary component and the controller are electrically connected. According to the piling mechanism with the mining function for the constructional engineering, and the working method, hole drilling and piling can be quickly carried out, and meanwhile, an interval among a plurality of pile positions can be accurately regulated according to construction requirements.

The invention discloses a pharmaceutical preparation containing low molecular weight xanthan gum for intra-articular injection. The pharmaceutical preparation contains the low molecular weight xanthan gum, has the relative molecular mass of 0.1-1.99million, has the content of 0.01-5% (w / v), and has an osmotic pressure of 200-400 mOsmol / L and a pH value of 5.5-9. The pharmaceutical preparation containing low molecular weight xanthan gum for intra-articular injection is obtained by the following preparation method: regulating the pH value of raw xanthan gum aqueous solution with the concentration of 1-10% and the relative molecular weight of 3 million to 5-10, adding the solution into a high-pressure reactor, stirring under a certain pressure and temperature for reacting, precipitating the product by using absolute ethyl alcohol, washing, drying so as to obtain the xanthan gum with the relative molecular mass of 0.1-1.99million; and uniformly mixing the xanthan gum and other components, thereby obtaining the preparation. The pharmaceutical preparation containing low molecular weight xanthan gum for intra-articular injection disclosed by the invention can be applied to improving and treating rheumatic arthritis, rheumatoid arthritis, osteoarthritis, synovitis and / or cartilage injury and has the advantages of long in-vivo retention time, capacity of being discharged out of the body through degradable and metabolic pathways and high safety.

The invention discloses a shock absorption and energy dissipation anti-falling beam device for a railway bridge. The shock absorption and energy dissipation anti-falling beam device for the railway bridge comprises a bottom plate, wherein the bottom plate is connected with at least one limiting slot, all the limiting slots are formed in sequence in the height direction, at least one corrugated plate is arranged in each limiting slot, the vertical cross section of each corrugated plate is in a wave shape, the width of each limiting slot is matched and corresponds to the total width of all the corrugated plates, one ends of all the corrugated plates in each limiting slot are connected to first ends of the limiting slots, the other ends of the corresponding corrugated plates are connected tomovable members, and each movable member is slidably connected with a second end of the corresponding limiting slot. According to the shock absorption and energy dissipation anti-falling beam device for the railway bridge, the energy dissipation members are effectively combined with the anti-falling beam device, so that the anti-falling beam device has remarkable energy dissipation capacity; and the structure form is reasonable and concise, the manufacturing cost is greatly reduced, installation and replacement are convenient, the installation height space is effectively saved under the same energy dissipation capacity, and the bridge structure is effectively protected.

The invention discloses an angle ejection device for an injection mold. The angle ejection device comprises an angle ejection and an angle ejection mounting portion. The angle ejection slides relatively to the angle ejection mounting portion and is rotatablely arranged on angle ejection mounting portion; the angle ejection mounting portion is arranged between a face needle plate and a bottom needle plate of the injection mold; the bottom needle plate is provided with a light hole and a limit screw passing through the light hole, and the front end of the limit screw is fixedly connected to the angle ejection mounting portion; and a polish rod of the limit screw is sleeved with a compression spring, which is positioned between the bottom of the light hole and the head of the limit screw, or positioned between the bottom of the bottom needle plate and the head of the limit screw. According to the angle ejection device for the injection mold provided by the invention, the compression spring is sleeved on the limit screw to exert certain pretension on the angle ejection mounting portion; and when the angle ejection device can not reset accurately due to thermal expansion and cold contraction, certain buffer of the angle ejection device can be ensured, so as to avoid problems of screw snap or angle ejection breaking.

The present invention relates to the field of packing material and is one composite fiber material with buffering and bearing performance. The composite fiber material consists of tubular coarse fiber of 3-60 mm length and fine fiber of 10-60 mesh fiber powder in the weight ratio of 5-100 to 10 and is compounded with adhesive. The molded packing material of the composite fiber material includes casing layer, solid layer and bottom layer and the solid layer is made of the composite fiber material. The molded packing material is used for packing heavy product. The molded packing material may produced with waste agricultural fiber and thus is low in cost and environment friendly.