92results about How to "Reduce impact force" patented technology

This utility model discloses a front-cleaning toilet seat, relating to the field of toilet seat rings. The utility model includes a toilet seat ring with a groove on its top periphery. Multiple second magnets are installed inside the groove, and a base plate is inserted into the groove. A silicone pad is installed on top of the base plate, and a buffer plate is installed on top of the silicone pad. Multiple first magnets are installed at the bottom of the base plate. By incorporating the groove, silicone pad, buffer plate, and base plate, when the lid rotates to cover the toilet seat, the lid first contacts the buffer plate. The buffer plate then moves downward under force, compressing the silicone pad and providing cushioning, thereby reducing the impact force and protecting the toilet seat ring. This also prevents damage from frequent, high-force impacts, extending the service life of the toilet seat ring.

The utility model discloses a kind of feeding and discharging devices for sorting, it is related to sorting equipment field, including base, base top is provided with roll lever conveyor and roll lever sorting machine, the feed end of roll lever conveyor is provided with feeding hopper, feeding hopper is fixed in base top, chute is opened on the two side walls of feeding hopper, feeding hopper is provided with poking mechanism inside, poking mechanism includes two mounting seats, mounting seat is slidably connected in chute, rotatingly connected with poking shaft between two mounting seats, poking plate is fixedly connected on poking shaft, the mounting seat of one side is fixedly connected with motor, the output end of motor is fixedly connected with poking shaft. Advantageous effect lies in: the rotation of poking plate is utilized when feeding, so that apple can only be moved to roll lever conveyor in single layer form, avoid apple stacking on roll lever conveyor, so as to avoid apple rolling and produce knock, reduce the damage rate of apple.

The utility model belongs to the technical field of die-casting dies, and particularly relates to a die-casting die with a buffer structure, which comprises an upper die, the surface of the upper die is sleeved with a slip ring, the upper surface of the slip ring is fixedly connected with a first U-shaped plate, the upper surface of the first U-shaped plate is fixedly connected with a hydraulic push rod, and the upper surface of the hydraulic push rod is fixedly connected with a second U-shaped plate. The upper surface of the hydraulic push rod is fixedly connected with a top plate. According to the die-casting die with the buffer structure, through cooperation of a sliding ring, a sliding groove, a pressing block, a limiting block, a supporting ring, a hollow cylinder, a trapezoidal block, a first spring, a round hole, a cylinder, a damping column, a second U-shaped plate, a threaded hole and a bolt, when the die-casting die is closed, an upper die can slowly move downwards, and the die-casting die is not prone to falling off; and the impact force instantly generated when the upper die and the lower die are assembled is greatly reduced, and the abrasion and damage of the die caused by impact are reduced, so that the service life of the die-casting die is remarkably prolonged.

The utility model relates to the technical field of lighting electric appliances, in particular to an aluminum alloy flashlight. According to the technical scheme, the LED lamp comprises a lamp body, a lamp holder and a tail cover which are used for focusing are arranged at the two ends of the lamp body respectively, mounting grooves are formed in the outer portions of the lamp holder and the tail cover, buffering assemblies used for damping are arranged in the mounting grooves, and a back clamp used for fixing is arranged outside the lamp body. The buffer assembly comprises a first fixing ring and a second fixing ring which are used for installation, the first fixing ring and the second fixing ring are both semicircular, rubber pads are movably arranged on the outer wall of the first fixing ring and the outer wall of the second fixing ring, and an inserting plate and a connecting groove are arranged on one side of the first fixing ring. Through the arrangement of the first fixing ring, the second fixing ring, the rubber pad, the inserting plate and the positioning rod, the purposes of buffering and damping can be achieved when the flashlight falls off, the impact force generated when the ground makes contact with the flashlight is reduced, and the situation that due to the fact that the impact force is too large, a lamp bead chip falls off, and equipment cannot illuminate is effectively eradicated.

The utility model discloses a kind of competitive split riding leather trousers, comprising: waistband, crotch and leg; Two legs are connected on the waistband, the crotch is located at the junction of two legs, the waistband, crotch and leg are all equipped with base layer;The leg includes: thigh, calf and knee part;The knee part is between thigh and calf, and the thigh and crotch are all equipped with reinforcing layer, the reinforcing layer is located at the outside of thigh and the back of crotch, wear-resistant cloth is equipped on the thigh, the wear-resistant cloth is arranged on the inside of thigh, and located at the junction of thigh and knee part, protective equipment is equipped on the front side of knee part, and the outside of calf is equipped with grinding bag.The utility model can effectively improve the wear resistance of trousers, avoid trousers in competitive match to appear damage condition, ensure the safety of user.

The invention discloses a steering wheel damping device and a steering wheel damping system, and relates to the technical field of automobile steering wheels. The steering wheel damping device comprises a guide assembly and an elastic piece. The guide assembly comprises a guide piece; the guide piece comprises an annular supporting part abutting against one end of the spring element and a plurality of guide arms which are arranged on the annular supporting part at intervals in the circumferential direction and extend into the mounting hole in the axial direction. When the steering wheel pressing castanet is in a non-stress state, at least part of the guide arms abut against the connecting piece, and elastic deformation occurs under the condition that radial driving force is applied to the guide arms. According to the embodiment, the abutting area between the inner side of the guiding piece and the connecting piece can be reduced, the collision strength between the inner side of the guiding piece and the connecting piece is relieved, and then noise is reduced.

This application relates to the field of machining technology, and discloses an ultrasonic tool holder, ultrasonic machining equipment, and machine tool. The ultrasonic tool holder includes: a tool body and a connecting sleeve. The tool body has a second end and a first end arranged opposite to each other in a front-rear direction. The first end is adapted to be connected and fitted with a spindle, and the second end has a mounting cavity for accommodating a transducer. A wireless receiving unit is provided on the outer periphery of the tool body. The connecting sleeve is connected to the second end and arranged coaxially with the tool body. An outer shell is fitted onto the outer periphery of the connecting sleeve through a bearing, wherein the inner diameter of the bearing is less than or equal to the outer diameter of the second end. Therefore, by placing the bearing between the connecting sleeve and the outer shell, the bearing does not occupy the outer periphery space of the tool body, which reduces the axial dimension of the tool body, thereby improving the rigidity of the tool body and reducing the overall axial dimension of the ultrasonic tool holder. It also increases the structural dimensions of the transducer and reduces the radial dimension of the bearing, thereby improving ultrasonic machining performance.

The utility model relates to agricultural harvesting machinery technical field, concretely relates to the anti-injury excavating shovel structure of konjak harvester, including shovel body support, the bottom fixed mounting of shovel body support is horizontally arranged horizontal beam, the bottom fixed mounting of horizontal beam has a plurality of linear equidistance arrangement vertical beam along horizontal beam length direction, the bottom rod body of vertical beam is provided with angle adjustable excavating shovel, the end head position of excavating shovel is provided with arc blade mouth, the back central position of excavating shovel is integrally formed with reinforcing rib, and the first compression support rod and second compression support rod for resisting compression support are arranged between vertical beam and reinforcing rib. The utility model discloses firm structure can reduce the injury of konjak, reaches the effect of protecting the integrity of konjak.

The application belongs to the technical field of electric tricycle motors, in particular to an electric tricycle motor protection assembly, which comprises a motor body, the motor body is a permanent magnet synchronous motor, a protection plate is arranged outside the motor body, a connecting block is fixed to one side of the motor body close to the protection plate, an extrusion block is fixed to the side of the connecting block away from the motor body, a buffer spring is fixed between the extrusion block and the protection plate, an extrusion rod is arranged inside the buffer spring, and the extrusion rod is fixedly connected with the protection plate. The protection plate is first contacted with the pit or the protrusion, so that the motor body is protected, and in this process, the protection plate compresses the buffer spring to deform, thereby buffering the impact force. Thus, the motor of the electric tricycle is effectively protected from damage caused by bumps during normal driving, and the service life of the electric tricycle is improved.

The utility model discloses an automobile parts punching device, including base, the inside screw thread of base is provided with threaded tube, and threaded tube penetrates base, and still screw thread is installed with strong magnet in base. The base includes the screw thread seat, and the side end fixed connection of screw thread seat has the connecting block, and the fixed connection of connecting block back to screw thread seat one end has first screw thread shell, and strong magnet screw thread is installed in first screw thread shell, and threaded tube screw thread is installed in screw thread seat, and threaded tube penetrates screw thread seat. The lower end fixed connection of first screw thread shell has the skin piece, and the lower end of skin piece is provided with antiskid line. Threaded tube includes threaded tube body, and the base is pasted on target automobile parts, then adjusts the device position, makes the center of threaded tube to be located at the punching, and the drill bit of target handheld drill is inserted into threaded tube, and the drill bit is restrained at the drilling point through threaded tube, and the difficulty of operating handheld drill aiming at punching is reduced.

The utility model relates to the technical field of drawer hidden rails, in particular to a sliding ball frame for a fixed rail and a middle rail, which comprises a sliding part, a top plate, a first fixed wing and a second fixed wing, the first fixed wing and the second fixed wing are respectively connected to two sides of the top plate, the first fixed wing is positioned between the fixed rail and the middle rail, and the second fixed wing is used for being assembled with the middle rail in a sliding manner. A plurality of groups of mounting grooves are formed in the first fixed wing, the mounting grooves are formed in the extending direction of the first fixed wing, the sliding parts are rotationally mounted in the mounting grooves, the sliding parts are spherical, traditional cylindrical balls are changed into the spherical sliding parts, the friction coefficient is lower, and the friction coefficient is higher. The spherical symmetric structure allows the sliding part to rotate freely in any direction, the torque is uniform during rotation, the installation angle does not need to be adjusted, the installation cost is low, the problems of lateral sliding and stress concentration caused by installation deviation in a traditional design are solved, the drawer drawing smoothness is improved, the hidden rail use reliability is improved, and the user use experience is improved.

This utility model provides a boltless comb-tooth plate multi-directional displacement expansion joint device, relating to the field of bridge construction technology. It includes a bridge body, with a displacement expansion joint assembly installed on the inner side of the bridge body. The displacement expansion joint assembly includes main comb teeth installed on the inner side of the bridge body, and auxiliary comb teeth installed on the left side of the main comb teeth. Anchor plates are provided at the bottom ends of both the main and auxiliary comb teeth, and the main and auxiliary comb teeth mesh with each other. Through the arrangement of the main comb teeth, auxiliary comb teeth, and anchor plates, the entire assembly is formed by integral casting and welding. This allows for only one welding of the anchor plates and one-time overall concrete pouring on-site, resulting in high overall strength and greater convenience and speed in installation. Furthermore, the boltless connection eliminates longitudinal displacement and shearing when vehicles pass longitudinally, ensuring the stability of the device and improving its durability and reliability.

A slack rope protection device for an underground coal mine transport winch is disclosed. The device includes a winch body and a base. Multiple sets of force-bearing ropes are installed on the base, and a force monitoring component connected to the force-bearing ropes is located inside the base. A bottom groove is provided at the bottom of the base, and an airbag is installed inside the groove. A support plate is slidably installed at the bottom of the groove. The lower side of the airbag is fixedly connected to the upper side of the support plate. A mounting groove is provided in the middle of the base, and a bidirectional air pump is installed inside the mounting groove. An air guide pipe connects the bidirectional air pump to the airbag, and a one-way exhaust valve is installed on one side of the airbag. The advantages of this invention compared to existing technologies are: the rapid inflation of the airbag acts as a buffer structure for the base; the one-way exhaust valve allows some of the gas in the airbag to be discharged, buffering the relatively strong impact force between the support plate and the ground; and the bidirectional air pump discharges the gas from the airbag, providing stable support for the base and the winch body.

This application relates to the field of children's footwear technology, providing a multi-layered anti-collision children's shoe, comprising a sole and an upper, the upper being connected to the sole; an anti-collision module is provided at the front end of the upper, the anti-collision module comprising, from the outside to the inside, an interconnected rigid protective layer, an elastic energy-absorbing layer, and a dynamic bonding layer. This application has the effect of reducing damage to children's shoe anti-collision design and providing more effective protection for children's feet.

The utility model discloses a power plant coal falling wear -resisting pipeline of power plant coal conveying industry. Including the outer tube, the inside wear -resisting pipe of outer tube is covered, and the front and rear end of outer tube all is welded and has the installation flange, and the below of outer tube is equipped with the buffer support component, and the upper of outer tube rear end is equipped with the coal falling guide pipe, and the buffer block is equipped with in coal falling guide pipe inner oblique symmetry, and the coal guide bucket is equipped with on coal falling guide pipe top, and the dust absorption component is equipped with on outer tube front end top, and this device can inhale the waste gas into the collection bag through setting dust absorption component, prevents the direct discharge into the atmosphere and causes the pollution, and in addition sets up the filter plate in dust absorption component, and further carries out the filtration to the waste gas, and the centralized treatment of waste gas in collection bag in later period is convenient, sets up the buffer block in coal falling guide pipe, and the impact force of the coal material that falls down can be slowed down, and in addition sets up the inner wear -resisting pipe in the outer tube, also has increased the wear -resisting degree of pipe inner wall, has increased the service life of coal falling pipe greatly.

The utility model provides a breaker rotating shaft buffer force unloading structure, comprising a rotating shaft, a stop block, an elastic member and a gas blocking cover, the stop block is movably installed on the rotating shaft and is used for abutting against a cooperation block on an installation segment; the elastic piece is arranged between the stop block and the rotating shaft and located on the side, away from the matching block, of the stop block. During breaking, the matching block of the moving contact impacts the stop block and then extrudes the elastic piece, so that the impact force of the moving contact is buffered, and the service life of the rotating shaft is prolonged; besides, on one hand, the gas blocking cover can prevent electric arc from climbing backwards along the moving contact and prevent the contact from being burnt out, and on the other hand, particulate matter and high-temperature gas can be prevented from damaging the blocking block and a conductive system, so that the reliability of the circuit breaker section test is guaranteed.

The utility model discloses a kind of communication equipment anti-drop intercom, it is related to communication equipment technical field, including intercom, the side of the intercom is provided with control key, and the top side of the intercom is provided with telescopic antenna and volume control key, the outside of the intercom is provided with protection assembly, protection assembly includes rubber protective sleeve, the top of the rubber protective sleeve is provided with limit top plate, the side of the limit top plate is provided with recess, and one side of rubber protective sleeve is provided with limit side plate.The utility model is set by the rubber protective sleeve, which is set outside the intercom, to protect the intercom, when the intercom falls, the rubber protective sleeve realizes the buffer of the impact force generated, reduces the impact force received by the intercom, prolongs the service life of the intercom, and the limit top plate and the two limit side plates are respectively clamped in the side and the top of the intercom by being set, to realize the limit installation of the intercom.

The present application relates to a kind of self-resetting bridge pier anti-collision fence structure, the outer wall of bridge pier is slidably sleeved with inner cylinder, the outer wall of inner cylinder is fixedly sleeved with float capsule for adjusting the height of inner cylinder according to water level;The outer wall of inner cylinder is sleeved with outer cylinder, and the outer cylinder is fixedly connected with the float capsule, and the outer wall of outer cylinder is provided with a plurality of sliding plates, the outer wall of sliding plate is provided with a plurality of guide rollers for guiding ship body, and the inner cylinder, the outer cylinder and the float capsule form a cavity, and the cavity is filled with foam concrete;Buffer mechanism is arranged between sliding plate and outer cylinder, for buffering impact intensity, to facilitate the protection of bridge pier;Energy-absorbing mechanism is arranged between sliding plate and outer cylinder, for absorbing impact intensity and converting it into electrical energy to power bridge pier lighting equipment;Solve the problem that the existing floating anti-collision facility does not have an external protective structure when in use, and once the bridge is hit, the facility is easily damaged and needs to be replaced, and the protective effect is poor.

The utility model provides a container transport semitrailer side guardrail relates to vehicle engineering field, the utility model discloses side guardrail main part, the utility model discloses when using when the side guardrail main part is installed in the chassis both sides of semitrailer through mounting frame contact bolt installs the water tank and oil tank etc. part installed to its side protection, if the side guardrail main part collides or scratches with other objects, will preferentially collide and scratch to the anti -collision net board, pushes to one end, drives piston rod to slide in the air cylinder inner wall one end, extrudes its inside air into the air bag inside, makes its air bag collision, the one side of anti -collision net board is buffered, and if a plurality of damper also will be buffered between support and anti -collision net board, to this to slow down the impact intensity and scratch situation that receives, to this avoids the side guardrail main part directly stressed and produces the possibility of deformation, weld point drop and even component fracture, improves the service life of side guardrail main part, reduces the frequency and cost of maintenance replacement.

The utility model discloses a high-precision low-flow-resistance stop valve, belongs to the technical field of valves, and provides the following technical scheme for solving the problem that the flow pressure adjusting precision is reduced due to vibration of a valve clack of a traditional stop valve: the valve clack is connected with a valve rod through a plurality of groups of supporting assemblies which are uniformly distributed in the circumferential direction, and an inner rod and an outer rod form an axial telescopic structure; and the turntable is in running fit with the valve rod through the L-shaped connecting ring. An annular communicating groove is formed in the top of the valve clack, an annular connecting groove is formed in the corresponding position of the bottom of the valve clack, the two grooves are communicated through communicating holes in an annular array, and a sealing ring capable of being embedded into the connecting groove is arranged in the corresponding position of the inner wall of the valve cavity. When the valve is opened, fluid can directly penetrate through the valve clack through the communicating hole to reduce impact force, the supporting assembly counteracts lateral acting force of the fluid on the valve clack through the axial bearing structure, and bending deformation of the valve rod is prevented. According to the valve, the fluid control precision and the operation stability are effectively improved while the sealing performance is kept by optimizing the fluid channel shape and the valve clack supporting structure.

The utility model relates to a traction mechanism for transporting a semitrailer, which belongs to the technical field of trailer traction buffering and comprises a trailer bottom plate, a buffering and damping mechanism is arranged on the front side of the trailer bottom plate, the buffering and damping mechanism comprises two sliding rails which are fixedly mounted on the front side of the trailer bottom plate, and pulleys are movably connected to the outer sides of the sliding rails. According to the traction mechanism for transporting the semitrailer, when the trailer stops normally, the trailer can collide and impact the inner wall of the bottom plate of the trailer, when a connecting plate collides with a buffer pad, the buffer pad is stressed and collapses, so that the impact force of the buffer pad on stopping is reduced to a certain degree, meanwhile, a buffer rod is stressed to drive a movable plate to move, and therefore the trailer can stop normally. And the buffer springs are compressed, so that the acting force of the buffer springs on impact is further reduced, the trailer can be prevented from directly impacting the inner wall of the trailer bottom plate body, damage caused by too large inertia is avoided, the safety of the device is greatly improved, and the practicability of the device is improved.

The application discloses a hoisting tool and method for a dual-fuel diesel engine cylinder block, and the tool comprises a load-bearing frame, a first cross rail is arranged on the load-bearing frame, a moving trolley is arranged on the first cross rail, a hoisting cable with a hook is arranged on the moving trolley through a winding mechanism, and a weight sensor is arranged on the hook; a second cross rail parallel to the first cross rail is arranged below the first cross rail, a synchronous trolley synchronously moving with the moving trolley is arranged on the second cross rail, a plurality of telescopic pieces are vertically arranged on the synchronous trolley, a supporting block is arranged on the top of each telescopic piece, and a distance sensor for detecting the vertical distance between the supporting block and the surface of the cylinder block is arranged on each supporting block; and the tool further comprises a controller. The hoisting tool is equipped with a protection mechanism, can effectively support the cylinder block when the cylinder block accidentally falls during hoisting, and the supporting structure adopted helps to maximally reduce the impact force and provide multiple buffering effects, so that the impact damage to the cylinder block is reduced.

The utility model provides a kind of flexible anti-collision traffic safety facilities, it is related to traffic safety facilities technical field, the flexible anti-collision traffic safety facilities includes buffer assembly, mounting rack plate and support mounting frame;Buffer assembly includes buffer box frame and is installed in the buffer pad of buffer box frame;Buffer box frame and support mounting frame are respectively installed in the two sides of mounting rack plate opposite;Buffer pad exposes buffer box frame in the side of departure mounting rack plate, is equipped with honeycomb hole in buffer pad.In the scene of vehicle collision, due to the comprehensive influence of various factors, the impact intensity of vehicle and the device often presents complex change and inconsistent situation, the flexible anti-collision traffic safety facilities provided by the utility model can protect vehicle from serious loss as far as possible in the moment of vehicle impact, maximum degree guarantees personnel safety and reduces property damage degree.

The utility model relates to the technical field of anti-collision mechanisms, and discloses a water transportation wharf anti-collision mechanism which comprises a wharf body and further comprises a bottom plate and an adjusting assembly, a mounting plate is fixedly connected to the right end of the wharf body, the bottom plate is arranged at the right end of the mounting plate, and the adjusting assembly for adjusting the height of the bottom plate is arranged in the mounting plate. The right end of the bottom plate is fixedly connected with a fixing block, and the right end of the fixing block is fixedly connected with a limiting frame. Buffering and collision prevention are conducted on a ship through the elastic guardrail and the rotating rubber rollers, the rotating rubber rollers can rotate in the elastic guardrail when colliding with the ship, the rotating rubber rollers conduct preliminary force unloading on the ship, part of the collision force of the ship is reduced, and the speed of the ship is increased; and through the damper and the spring, the impact force separated to the sliding block is buffered, so that the speed of the ship is slowed down until the ship stops moving, the buffering effect is improved, the impact force is reduced, and the ship and the anti-collision device are effectively prevented from being damaged.

The utility model relates to a permanent magnetic ferrite magnetic shoe dry-pressing material injection mold, which aims to solve the technical problem that the existing magnetic shoe rough blank impacts on a platform to form reaction force to cause resonance, and a rough blank formed by dry pressing is influenced to a certain extent, and comprises a mold A, a mold B, a bottom block A, a bottom block B and a transverse plate, the mold A and the mold B are butted to form a magnetic shoe mold main body; the bottom block A is fixedly arranged at the bottom end of the mold A; the bottom block B is fixedly arranged at the bottom end of the mold B; the inclined surfaces of the bottom block A and the bottom block B are opposite to each other; the transverse plate is arranged between the bottom block A and the bottom block B; and the inclined surface of the end part of the transverse plate is in contact fit with the inclined surfaces of the bottom block A and the bottom block B. The magnetic tile forming mold has the advantages that a formed magnetic tile rough blank slowly descends after the mold A and the mold B are opened, and the impact force is reduced.

The utility model discloses a hazardous chemical substance transportation tank protection device which comprises two connecting shells, one side of the inner wall of each connecting shell is fixedly connected with a protection plate, a protection assembly is arranged outside each connecting shell, and an adjusting assembly is arranged on the outer wall of each connecting shell. The adjusting assembly comprises multiple sliding blocks, one sides of the multiple sliding blocks are fixedly connected to the outer wall of the connecting shell on one side, a groove is formed in each sliding block, the multiple sliding blocks are slidably connected to the interior of the connecting shell on the other side, bolts are arranged in the connecting shells, one ends of the bolts penetrate and extend to the exteriors of the sliding blocks and the rubber sleeves, and the other ends of the bolts penetrate through the rubber sleeves. And one end of each bolt is in threaded connection with a nut. The sliding block on the outer wall of the connecting shell on one side slides in the connecting shell on the other side to be matched with the outer wall of the tank body in length, then the connecting shells are fixed through bolts and nuts, the effect of adjusting the length of the equipment is achieved, and the problems that traditional equipment is relatively fixed in length and inconvenient to use are solved. And partial areas of the outer wall of the tank body are not protected in place.

The utility model discloses a kind of fruit low-damage picking robot based on tracked self-adaptive multi-machine cooperation, the utility model includes tracked carrier, the top outer wall of tracked carrier is equipped with multiple mechanical arms, and one end of mechanical arm is provided with clamping assembly, clamping assembly includes fixed frame and motor, the inner wall of fixed frame is relatively slidably fitted with two moving plates, two moving plates are relatively one side outer wall and are connected with clamping plate by guide rod, and two clamping plates are relatively one side outer wall and are fixed with flexible rubber clamping block;The utility model is equipped with folding protective sleeve and flexible rubber clamping block, can when clamping fruit, flexible rubber clamping block surface is deformed and wrapped in fruit outside, ensure the contact area with fruit surface, avoid local pressure too high, cause fruit internal pulp damage, folding protective sleeve is protected to bidirectional screw rod outside, avoid bidirectional screw rod outside adhering sundries.

The utility model relates to the technical field of bridge protective guard bodies, and discloses a protective guard for bridge construction, which comprises a protective guard body, a mounting device is arranged in front of the protective guard body, and the mounting device comprises an adjusting part. According to the protective fence body for bridge construction, by arranging the mounting frames, connecting bolts, rollers, second rotating shafts, connecting rods, mounting rods, sliding blocks, sliding rods and springs, when the protective fence body is used, the mounting frames are mounted at the ends of the mounting rods through the connecting bolts, the left mounting frame and the right mounting frame are connected, and when the protective fence body is impacted, an automobile rolls along the outer surfaces of the rollers; an automobile is horizontally guided, the extrusion force of the automobile on the device is reduced, idler wheels are buffered through the elastic force of springs, the impact force borne by the device is reduced, when the device is impacted, a mounting rod and a mounting frame displace, and the mounting frame and the mounting rod can relatively deflect and transversely displace through arrangement of connecting bolts; and the protection continuity of the device is improved.

The utility model discloses an anti-collision rope ladder pedal, which relates to the technical field of rope ladder pedals, and comprises a pedal main body, the top of the pedal main body is fixedly connected with an anti-skidding pedal, the two sides of the pedal main body are movably connected with connecting components, the top of each connecting component is fixedly connected with a rope body, and the rope body is fixedly connected with the pedal main body. The front face of the pedal body is fixedly connected with an anti-collision device, and the anti-collision device comprises a telescopic rod. The threaded connecting cylinder is in threaded connection with the pedal body, the first connecting end at the top and the second connecting end at the bottom are inserted into the threaded connecting cylinder in a threaded connection mode, only the pedal body needs to be replaced when the pedal body is broken, and the pedal body can be replaced when the rope body at the top is abraded. And only the first connecting end and the second connecting end connected with the rope body need to be replaced, material loss can be reduced, environment-friendly use is achieved, the device is convenient to disassemble and assemble, and the elastic soft supporting plate makes contact with the ship body, the buffering spring and the supporting middle of the telescopic rod, so that the impact force of the pedal body to the ship body is dispersed.

The utility model discloses a kind of drawbench clamping structures for disc gear production, relate to gear production technical field.The utility model includes substrate, through slot is opened on the lower surface of substrate, clamping piece is equipped on substrate, clamping piece includes the cylinder mounted on the lower surface of substrate, the lower end of piston rod of cylinder telescopic end is fixedly connected with connecting block, connecting block's lateral wall is symmetrically hinged with connecting rod, the upper surface of substrate is symmetrically equipped with movable clamp ring, the slider of the lower lateral wall of movable clamp ring is fixedly connected in the inside of through slot, connecting rod upper end is hinged on the lower surface of slider, the lateral wall of movable clamp ring is symmetrically fixedly connected with ear block on the upper surface of substrate;Between two ear blocks, anti-collision piece is commonly equipped.The utility model sets clamping piece, simultaneously clamps multiple disc gears to be processed, simultaneously draw teeth to multiple disc gears to be processed, improve processing efficiency, and set anti-collision piece, buffer impact force applied to disc gear to be processed, avoid damage, increase draw quality.