388results about How to "Avoid direct collision" patented technology

The invention provides a detecting method for a trapped floor-cleaning robot. The method comprises the steps that (1) four ultrasonic sensors and four distance measuring sensors are uniformly arranged around the robot body; (2) when a start signal is detected, the floor-cleaning robot starts to work; (3) the ultrasonic sensors are started to carry out obstacle detection to acquire obstacle information; (4) whether an obstacle is in front is detected, and if so, whether obstacles are in rear, left and right directions is detected in turn; and (5) whether the distance between an obstacle and the robot body reaches a preset value. According to the step (5), if the preset value is not reached, the distance between the obstacle and the robot body is acquired again; if the preset value is reached, a main motor drives the robot body to move in an obstacle-free direction; and if obstacles are in all four directions, the step of trap dispensing is carried out. According to the invention, the working floor-cleaning robot can bypass obstacles, or is prevented from direct collision when cleaning dead corners; the movement trajectory of the robot body is acquired through image recognition analysis when the floor-cleaning robot body is trapped; and the method helps the robot body to automatically get rid of trap.

The invention relates to a refrigerator drawer and a refrigerator applying the drawer. The drawer comprises a cover plate used for covering an opening of the drawer; a rotating shaft is fixed along the transverse direction of the rear side of the cover plate; the two ends of the rotating shaft are respectively arranged on the walls of inner liners at the two sides of the refrigerator; the drawer also comprises a support device used for opening or closing the cover plate; when the drawer is pushed or pulled, the support device enables the cover plate to overturn by the rotating shaft. The refrigerator drawer is simple in structure, can be automatically opened once being pulled out, has a humanization design, and is practical, convenient and low in noise.

The invention discloses a pipe fitting clamping device for an automatic machine. The pipe fitting clamping device comprises a bottom plate, a sliding rail is arranged at the bottom of the bottom plate, and supporting plates are fixedly connected to the two sides of the top of the bottom plate; and the tops of the two supporting plates are fixedly connected through a top plate, a first sliding groove is formed in the top of the bottom plate, and a fixing block is fixedly connected to the middle point of the bottom of the inner wall of the first sliding groove. According to the pipe fitting clamping device for the automatic machine, a second sliding groove, second sliding blocks, pneumatic telescopic rods, abutting blocks, annular sleeves and second air cylinders are arranged, and the problem that the clamping effect of a common pipe fitting clamping device is not good is solved, so that the stress at each part of the pipe fitting can be reasonably distributed; and when the pipe fittingis machined, shaking of the pipe fitting caused by unstable fixing due to the fact that the tensioning force in one part of the fitting is too large or too small does not occur, so that the expected machining purpose is achieved accurately, the clamping radius is conveniently adjusted according to the diameter of a pipe, and great convenience is brought to a user.

The invention discloses a highway protective guardrail for improving the safety of speed limitation. The highway protective guardrail includes a base, a support column is welded on the base, the support column is fixedly sleeved with a load-bearing cylinder, the outer wall of the load-bearing cylinder is provided with a limit slide groove, the load-bearing cylinder is fixedly sleeved with a limitguard plate, and the limit guard plate is provided with a limit slide cavity. Multiple buffer mechanisms are arranged on the protection guardrail, and different buffer measures are used for limiting the speed of vehicles under different stress conditions so as to reduce the strong vibration caused by direct collision with the vehicles and to improve the stability of the vehicles at the time of speed limitation. An arc outer plate is driven to rotate through vehicle extrusion, so that the vehicles follow the arc outer plate for direction deviation, and thus impact strength is scattered; nitrogen is rapidly formed through vehicle knocking, an safety air bag is used for buffering protection of the vehicles and the protective guardrail, the stability of the vehicles at the time of speed limitation is easily improved, the safety of personnel is ensured, and meanwhile the damage degree to the guardrail is reduced.

The invention discloses a novel fabricated vehicle bearing pavement and a construction method thereof. The novel fabricated vehicle bearing pavement is formed by superposing, assembling and laying fabricated reinforced concrete plate members in double layers, wherein double-layer bidirectional steel reinforcement frameworks are uniformly distributed inside upper pavement slabs and lower pavement slabs; lifting rings are embedded on lower parts of the frameworks in advance; rubber films are laid between the upper pavement slabs and the lower pavement slabs; a wear-resistant steel fiber concrete layer is arranged on the upper parts of the upper pavement slabs. The construction method comprises the following steps: 1. fabricating reinforced concrete pavement members; 2. lifting and transporting the prefabricated pavement members; 3. flattening the roadbed, laying the lower pavement slabs, rubber films and upper pavement slabs sequentially, laying the pavement slabs in a manner of staggering from each other according to seams, namely the seams between the slabs are not communicated with one another. The construction quality is easily guaranteed, the prefabricated pavement member is light in structure, high in strength, and convenient to transport and construct, can be repeatedly used and is particularly suitable for laying temporary vehicle bearing roads on the construction site, the rubber films can achieve a buffer effect, the friction force between the pavement slabs can be increased, and the pavement slabs are prevented from slipping.

The invention provides a collision protecting device of a power battery pack body. The collision protecting device comprises a first mounting plate and a second mounting plate, wherein the first mounting plate is arranged above the second mounting plate, the second mounting plate slides along the lower surface of the first mounting plate, the first mounting plate is fixed on an auxiliary frame, and the second mounting plate is connected with a vehicle body bracket.The first mounting plate (namely upper mounting plate) is mainly used for forming a plane on the bottom of the vehicle, the second mounting plate (namely lower mounting plate) is mainly used for separating from a vehicle body after collision with a barrier, so a sliding rolling log is formed between the barrier and the whole vehicle, the whole vehicle slides relative to the barrier, and through the whole sliding and friction process, the direction of the impact force is changed continuously and the impact force is reduced.

The invention relates to a particle damper with a multi-mechanism energy dissipation function. The particle damper comprises a damper cavity unit, particles internally provided with viscous liquid, and buffer materials. The damper cavity unit comprises one or more rectangular boxes filled with a large quantity of the equal-mass round particles. A hard metallic shell is arranged outside each round particle which is internally provided with a round metallic ball with the smaller diameter, wherein the space between the shell and the internal metallic ball is filled with the viscous liquid, and the buffer materials are bonded to the inner wall of the cavity. Under the effect of wind or / and earthquakes and the like, the kinetic energy of a structure is transferred and dissipated through friction and collision of the particle group; and meanwhile, each particle can serve as a system, the small metallic balls move and rotate in the viscous liquid and collide with the metallic shells, part of the kinetic energy is dissipated, energy dissipation mechanisms are enriched, the energy dissipation efficiency of the damper is improved, and impact force and noise generated between the particles and collision between the particles and a container wall during collision are reduced.

The invention discloses a dredging robot and an application method thereof. The dredging robot comprises a vehicle, a working device and a lifting mechanism, wherein the working device is used for crushing and collecting silt, the lifting mechanism is used for movably regulating the work and mounting positions of the working device, the lifting mechanism is mounted at the front end of the vehicle, and the working device is movably mounted on the lifting mechanism in a matched manner; the front-end lateral wall of the vehicle is provided with a silt inlet, a conveying pipe is arranged on the rear-end lateral wall of the vehicle, a penetrating conveying pipe is arranged inside the vehicle, the front end of the penetrating conveying pipe is communicated with the silt inlet, the rear end of the penetrating conveying pipe is communicated with the conveying pipe, the front end of the silt inlet is communicated with the working device, and the conveying pipe is connected with a silt suction pump for sucking and conveying the silt. The dredging robot has the advantages that the robot can replace workers to perform dredging and can convey the silt out of culverts, sewers and open channels, intelligent and automatic operation can be achieved, and the robot is high in work efficiency and convenient to operate.

The invention discloses a vehicle-mounted air purifier with good shock absorption effect, which comprises a fixing seat, the bottom of the inner wall of the fixing seat is symmetrically and fixedly connected with a support plate, and a connecting plate is arranged inside the fixing seat, and the connecting plate Both sides of the connecting block are fixedly connected with a connecting block, and the side of the connecting block away from the connecting plate is slidingly connected with the support plate, and the front surface of the connecting plate is fixedly connected with a fixing plate. The present invention is provided with a fixed seat, a support plate, a connecting plate, a connecting block, a fixed plate, a bump, a cylindrical iron, an air purifier body, a partition, a first positioning block, a connecting plate, a first spring, a second positioning block, The third positioning block, the limit block, the telescopic rod and the second spring solve the problem that the existing vehicle-mounted air purifier does not have a shock-absorbing effect, and the air purifier body is shock-absorbed, avoiding the use of the air purifier body. Sometimes damage occurs due to vibration, which reduces the economic loss of users.

The invention relates to a die management method and a die management system. According to the die management method, data collection devices arranged at dies are used for collecting die station information; information data of all dies in a specific area are sent to a data collector of the specific area by transmission paths; the data collector sends the data to a host computer, a database is established at the host computer, and a die management information file that can be checked is formed; a die using situation of the area is estimated; host computers in all specific areas send data to remote computers of a higher management layer, a die manufacturer and a die maintenance department by the internet; the remote computers carry out comprehensive estimation on states of all dies; and heavy maintenance time of all dies is predicted, early warning information is sent out in advance and a maintenance instruction is issued, and the die manufacturer and the die maintenance department send workers to carry out heavy maintenance on the dies. According to the invention, the die manufacturer and the die maintenance department can obtain die information comprehensively in real time and thus maintenance can be carried out on the die timely, thereby prolonging the service lives of dies.

The invention relates to the field of steel structures and specifically discloses a damping type steel structure node component. The following scheme is proposed for solving the problems that the present steel structure node position has inferior damping property and is easy to cause bolt breaking. The damping type steel structure node component comprises a steel column, a box iron and a truss chord member; the box iron is jointed between the steel column and the truss chord member; a limiting slot is formed on one side of the steel column close to the box iron; a limiting block is in slidingconnection with the limiting slot; a damping steel plate is connected with one side of the limiting block away from the limiting slot; two symmetrically arranged hinge rods are hinged on the middle position of the bottom end of the damping steel plate; moveable blocks are hinged on the bottom ends of the hinge rods. When a shearing force is generated on the node position of steel structure connector according to the invention, effective buffering and damping protection can be realized, the damping steel plate can be prevented from direct collision with the box iron and the box iron can be protected, so that the structure at the steel structure node can be protected, the stability of steel structure can be guaranteed and the damping type steel structure node component is suitable for popularization.

The invention discloses a medical apparatus cleaning and drying device. The medical apparatus cleaning and drying device comprises a base, wherein a support plate is fixedly arranged on the base through a bracket; the top of the support plate is rotatably connected to a cleaning barrel through a ball; the bottom of the cleaning barrel is fixedly connected to a rotary shaft; the rotary shaft is hollow and penetrates through the support plate to be provided with a driven gear; a servo motor is arranged at the top of the base; a driving gear is mounted on a motor shaft at the top end of the servomotor and is engaged with the driven gear; a hollow water diversion disc is fixedly arranged at the bottom of the interior of the cleaning barrel; a plurality of water diversion pipes are uniformly connected to the side wall of the hollow water diversion disc; a plurality of high-pressure sprayers are arranged on the water diversion pipes; a high-pressure water pump is further arranged at the topof the base; the left end water outlet of the high-pressure water pump is connected to a high-pressure water pipe; and the water outlet end of the high-pressure water pipe penetrates through the rotary shaft and the cleaning barrel to be connected into the hollow water diversion disc. The high-pressure sprayers are uniformly arranged at the bottom and the side walls of the interior of the cleaning barrel for flushing, so that the medical apparatus cleaning and drying device is sufficiently wide in flushing range and better in cleaning effect and can spin-dry after cleaning.

The invention provides ceramsite brick hardness detection device. The ceramsite brick hardness detection device comprises a supporting rod transverse beam, an elastic bearing plate, a liquid crystal display screen, a counter weight supporting base, a counter weight pressure plate, a smooth horizontal type pressure-resisting plate and a motor, wherein the supporting rod transverse beam is mounted at the top of a safe protection supporting rod; the counter weight pressure plate is mounted in the safe protection supporting rod; the smooth horizontal type pressure-resisting plate is mounted at the bottom of the counter weight pressure plate; the elastic bearing plate is mounted at the bottom of the safe protection supporting rod; the counter weight supporting base is mounted at the bottom of the safe protection supporting rod; the liquid crystal display screen, a starting button and an operation knob are arranged on the counter weight supporting base; the motor is mounted at the bottom of the counter weight supporting base. Compared with the prior art, the ceramsite brick hardness detection device has the following beneficial effects that a solenoid valve at the bottom of a retractable rod and the counter weight pressure plate are arranged, so that the ceramsite brick hardness detection device has two manners of impact force detection and pressure-resisting detection, and a hardness detection result is more accurate.

The invention discloses a medicinal material cleaning device and relates to the technical field of medicinal material machining equipment. The medicinal material cleaning device comprises a cleaning box of which the upper end is provided with an opening and the bottom is provided with a water outlet; the opening of the cleaning box is symmetrically provided with a left supporting plate and a rightsupporting plate, and a cleaning mesh basket which is arranged inside the cleaning box and provided with an upper end opening is erected between the left supporting plate and the right supporting plate; first-stage flexible brushing assemblies and second-stage flexible brushing assemblies are arranged in the cleaning mesh basket from top to bottom in sequence; a spraying assembly for spraying cleaning water to the cleaning mesh basket is arranged above the cleaning mesh basket; and the side wall of the cleaning mesh basket is connected with a vibration assembly capable of driving the cleaningmesh basket to be reciprocating vibration leftwards and rightwards in the cleaning box. Through the medicinal material cleaning device, soil adhering to the surfaces of medicinal materials can be completely removed without damaging skins of the medicinal materials, and integrity of the medicinal materials is maintained.

The invention relates to the technical field of garbage recycling, in particular to a garbage classification recycling treatment device. The garbage classification recycling treatment device comprisesa primary separation mechanism, a secondary separation mechanism and a screening mechanism. The primary separation mechanism comprises a separation box, a bag breaking assembly and a winnowing assembly. The screening mechanism comprises two conveying belts; a second limiting assembly is disposed at the upper end of each belt; the structures of the second limiting assembly are same as those of first limiting assemblies; a second screening assembly is disposed at the tail end of each conveying belt; and the structures of the second screening assemblies are same as those of first screening assemblies. Through repeated classification and separation, metals can be recycled, solid and liquid classification and separation of various garbage can be further performed, the garbage classification effect can be guaranteed through multi-step separation, the functions of the device can be added by additionally arranging the bag breaking assembly, and thus the device is more convenient to use.

The invention relates to hardware door lock accessories, and provides a noiseless lock with magnets. The noiseless lock with the magnets is provided with a box bottom assembly, a box cover, a rotation block, a lever-handle sleeve, a tension spring, a driving block, a reset spring, a lock tongue assembly and a cover buckling assembly. The front end of the box bottom assembly is provided with a lock tongue hole, and the inner portion of the box bottom assembly is provided with a rotation piece pivot, a lever-handle sleeve embedding hole, a lock tongue guide groove, a driving guide groove and a fixed tension spring embedded column. The lock tongue magnet is arranged in a lock tongue and the box buckling magnet is arranged in the box buckling assembly. The lock tongue assembly is embedded into the lock tongue guide groove, the driving block is embedded into the driving guide groove, the lever-handle sleeve is embedded into the lever-handle sleeve embedding hole and the rotation block is embedded on the rotation pivot through a pivoting hole in the middle of the rotation block. The noiseless lock realizes the function that under the attraction effect of the magnets, locking is realized as the lock tongue stretches out directly, achieves the effect that noise generated due to the fact that collision and friction are generated between the inclined lock tongue and the cover buckling assembly when a door is closed is eliminated and achieves a better silencing effect.

The invention provides a floating dock with fin stabilizers and belongs to the technical field of marine equipment. The floating dock comprises a floating dock body. Multiple first installation grooves are formed in the two sides in the floating dock body in the length direction. Hydraulic oil cylinders are arranged in the multiple first installation grooves. Piston rods of the hydraulic oil cylinders are horizontally arranged. Anti-collision mechanisms are arranged at the ends of the piston rods of the hydraulic oil cylinders. Each anti-collision mechanism comprises a bottom board. The back faces of the bottom boards are fixedly connected with the ends of the piston rods of the hydraulic oil cylinders. Grooves are formed in the front faces of the bottom boards. Buffer boards are arrangedin the grooves in a sliding mode. Multiple buffer springs are arranged between the front face of each groove and the back face of the corresponding buffer board. The front faces of the buffer boards are provided with multiple rolling wheels through supports. The rolling wheels are further provided with power generation devices capable of generating power through the rolling wheels. The anti-collision mechanisms can prevent a ship from colliding with the floating dock when sailing in and out of the dock, rolling contact between the ship and the rolling wheels on the anti-collision mechanisms can be used for generating power, energy is saved, and the floating dock is environment-friendly.

The invention discloses a washing machine balancing ring and a washing machine. The balancing ring and the washing machine belong to the field of washing devices and accessories of the same and are designed in order to solve the problems that existing rollers cannot move easily and have large friction force. The washing machine balancing ring disclosed by the invention comprises an annular shell body, wherein a cavity is disposed in the shell body; isolation bodies and balls are disposed inside the cavity at intervals; each isolation body isolates every two adjacent balls so as to avoid direct collision between the two adjacent balls; and each ball can move independently relatively to the other balls. The washing machine disclosed by the invention comprises an inner drum, wherein the balancing ring is disposed on the inner drum. The washing machine disclosed by the invention is characterized in that each isolation body of the balancing ring can isolate the two adjacent balls so as to avoid direct collision of the balls, so that noise can be reduced on the premise that a vibration reduction function of the balls serving as balancing weights is not influenced; and a service life of the balls can be prolonged. The washing machine balancing ring is disposed on the inner drum of the washing machine disclosed by the invention; and vibration reduction and noise reduction effects are good.

The invention discloses a double-coating magnetic liquid sealing device. The sealing device comprises a shell, a rotating shaft, a first pole shoe, a second pole shoe and a first permanent magnet, wherein a shaft chamber is formed in the shell; the rotating shaft is rotationally arranged in the shaft chamber; a first non-magnetic coating is arranged on the outer circumferential surface of the rotating shaft; the first pole shoe and the second pole shoe are arranged on the rotating shaft in a sleeving mode and are arranged at intervals in the axial direction of the rotating shaft; second non-magnetic coatings are arranged on the inner circumferential surface of the first pole shoe and the inner circumferential surface of the second pole shoe; the first permanent magnet is arranged on the rotating shaft in a sleeving mode; the first permanent magnet is located between the first pole shoe and the second pole shoe; a first liquid cavity is formed among the first pole shoe, the second poleshoe, the first permanent magnet and the first non-magnetic coating; and the first liquid cavity is used for storing magnetic liquid. According to the double-coating magnetic liquid sealing device, the machining difficulty and cost are reduced, the magnetic liquid can be supplemented in time, the pressure resistance of the magnetic liquid sealing is maintained, the magnetic liquid further has a lubricating effect, and the torsion moment of the magnetic liquid sealing is reduced.

The invention discloses a bridge pier anti-collision structure. The bridge pier anti-collision structure comprises a cylindrical pier and a sleeve arranged outside the cylindrical pier in a sleeving mode. The sleeve wall of the sleeve comprises an outer layer component and an inner layer component which are integrally formed. Idler wheels are arranged on the outer wall of the cylindrical pier. Theinner layer component makes contact with the idler wheels. The sleeve can rotate around the central axis of the cylindrical pier. Through the above design, when a ship collides with the pier, the sleeve rotates, accordingly, the pier forms a guiding inclined angle through impact of the ship, thus direct collision of the ship and the pier is effectively avoided, the collision strength borne by thesleeve is also effectively enhanced, and the great buffer effect on the ship colliding with the ship due to the fact that the ship is out of control can also be achieved. According to the bridge pieranti-collision structure, the maintenance cost of collision between the ship and the pier is effectively reduced, the service life of the pier is prolonged, and the bridge pier anti-collision structure is effective, has wide market application prospects and is worth popularizing energetically.

The invention relates to a power catwalk machine capable of feeding and throwing three drilling and exploitation tubular columns, and belongs to the field of petroleum drilling and exploitation equipment. The power catwalk machine comprises a base rack, a supporting arm, a ramp, a sliding arm and a tackle assembly. A containing groove is formed in the base rack, and a supporting arm sliding rail is arranged in the containing groove. One end of the supporting arm is in sliding connection to the supporting arm sliding rail. One end of the ramp is in pin connection with one end of the base rack,and a sliding arm sliding rail is arranged on the ramp. The other end of the supporting arm and the bottom of one end of the sliding arm are hinged, the other end of the sliding arm is arranged on thesliding arm sliding rail in a sliding manner, three V-shaped sliding grooves are formed in the sliding arm, communicating turnover openings are formed in the three V-shaped sliding grooves, and pipeturnover devices used for turning over the tubular columns placed in the three V-shaped sliding grooves out of the sliding arm are arranged in the turnover openings. The tackle assembly is in slidingconnection to the three V-shaped sliding grooves in a sliding manner. Through the power catwalk machine, three drilling and exploitation tubular columns can be fed and thrown at a time, the manner offeeding and throwing only one drilling and exploitation tubular column at a time in tradition is changed, and work efficiency is improved.

The invention relates to a pile mooring device suitable for a shallow water floating platform, the device includes a plurality of lower buoys spaced apart, an upper surface of each of the lower buoysis provided with an intermediate column, the height of each intermediate column is the same, and the top surfaces of a plurality of intermediate columns are simultaneously installed with an upper platform structure, wherein the upper platform structure is horizontally installed, and a plurality of piles are inserted at the front end surface of the upper platform structure, each pile is inserted into the submarine foundation, and after insertion, the top surface of the piles is higher than the top surface of the upper platform structure; an anti-collision pad is arranged in the distance betweenthe pile and the front end surface of the upper platform structure; Mooring cables are respectively fixed on both end faces of the pile, and a plurality of sets of cable holes are spaced apart from the front end surface of the upper platform structure. One end of the mooring cable is fixed on the pile, and the other end of the mooring cable is connected to the anchor through the guide rope hole.Two strands of mooring cables are respectively installed on each pile, and the mooring cable is in a fan-shaped structure divergent form. The device is compact in structure and reliable in operation.

The invention discloses an inspection device for a transformer substation, which improves the protection performance of the whole inspection device, is more flexible in adjustment of a camera, is morereliable in protection of the camera and a mobile vehicle body and improves the durability and the adaptability. The inspection device comprises a mobile vehicle body, wherein a protective frame is arranged outside the mobile vehicle body, driving rear wheels are arranged behind the bottom of the mobile vehicle body, and universal front wheels are arranged in front; a sensor fixing assembly usedfor fixing a sensor is supported in front of the top of the mobile vehicle body through a supporting frame, a three-joint mechanical arm is installed behind the top of the mobile vehicle body, a camera assembly is installed at the tail end of the three-joint mechanical arm, and the bottom of the three-joint mechanical arm is fixed to the top surface of the mobile vehicle body through a fixing table; the three-joint mechanical arm comprises a first joint arm, a second joint arm and a third joint arm; the first joint arm is rotationally connected with the fixing table through a first connectingshaft.

The invention discloses a damper and relates to the technical field of automobile parts. The damper comprises a cylinder, a piston rod, a piston, three oil guide holes, an end cap and a baseplate, the piston rod and the piston are positioned in the cylinder, the oil guide holes are positioned in the side faces at two ends and in the side face in the middle respectively, the end cap and the baseplate are connected with two ends of the cylinder respectively, a guide sealing device is arranged at the upper end of the cylinder and comprises a guide sleeve and an oil seal ring, the cylinder is divided into an inner cylinder and an outer cylinder, a buffering cavity is formed between the inner cylinder and the outer cylinder, thickness of the buffering cavity is 8-10mm, a one-way overflow valve is arranged at each of two ends of the inner cylinder, springs are arranged at two ends of the piston, a boss is arranged at the lower end of the piston, and a groove is formed in the upper surface of the baseplate. By the damper, response speed of oil can be increased, stable changing of unloading hydraulic pressure can be ensured, and oscillation of the piston can be slowed down; the springs can avoid direct colliding between the piston and two ends of the cylinder. The damper is simple in structure and high in safety.

The invention discloses a refrigerator. The refrigerator comprises a refrigerator overturning beam, a door body and a box; the refrigerator overturning beam is rotationally mounted on the door body, and comprises a main body and a guide body; an accommodating cavity is formed in the main body; the guide body is mounted on the main body in an extension manner, and is accommodated in the accommodating cavity during shrinking; a chute for enabling the guide body to slide during extending is formed in the cavity wall of the accommodating cavity; a guide base is arranged on the box, and is providedwith a guide groove for cooperating with the guide body during extending; and an elastic piece for enabling the guide body to extend out is arranged between the guide body and the main body. The refrigerator overturning beam of the refrigerator can guarantee smooth closing of the door body no matter in any state due to self extension effect, so that the cold leakage condition of the refrigeratoris prevented, meanwhile, direct collision between the guide body and the guide base is prevented, and the refrigerator overturning beam is protected against damage.

The invention discloses a mounting bracket for a high voltage arrester. The mounting bracket comprises a bottom plate. A high voltage arrester body is fixedly connected at the center of the top of thebottom plate. Fixing plates are arranged at the top of the bottom plate and located symmetrically front and back at both sides of the high voltage arrester body. The two fixed plates on the same sideare fixedly connected by a fixed shaft. The mounting bracket of the invention solves the problem of potential danger of a common high voltage arrester mounting method through the arrangement of support plates, second fixing rods, first buffer springs, pressing gaskets, support rods, second buffer springs, balls, connecting columns and fixing collars. As the two sides of the high voltage arresterbody are buffered by the springs and most of the wind is absorbed by the springs, the mounting bracket of the invention can effectively prevent the strong wind from blowing down or breaking the high voltage arrester from all directions to ensure its normal operation, avoids the occurrence of hitting the human body by the broken high voltage arrester, and is conducive to the protection of the powersystem.

The invention provides an anti-vibration device for a new energy electric vehicle battery, and relates to the technical field of new energy. The anti-vibration device for the new energy electric vehicle battery comprises a box, two first vibration-reduction devices, two clamping plates, a second vibration-reduction device, two clamp plates, a clamping block, a slot and a clamping device. Each first vibration-reduction device comprises a connecting block, a fixing plate, a fixed rod, a connecting plate, a sliding groove, a sliding plate, a notch, a protrusion, a trapezoidal block, an expansionspring, a pulling block, a movable rod, a through opening and a baffle, wherein the bottom of the connecting block is fixedly connected with the internal bottom of the box, the bottom of the fixing plate is fixedly connected with the top of the connecting block, and the bottom of the fixed rod is fixedly connected with the connecting block. By arranging the connecting plates, the sliding grooves,the sliding plates, the expansion springs, the pulling blocks, the movable rods, the through openings and the baffles, the anti-vibration device for the new energy electric vehicle battery solves theproblem that during vehicle driving, the battery easily collides with a battery box, so that the use of the battery is affected.

The invention refers to a building household door lock, and particularly to a lock body structure of a mute door lock with smaller noise. The invention provides a mute lock body structure, and the mute lock body structure solves the problem of sound of collision and friction between internal members of the door lock. The technical scheme of the invention is: the lock side of a lock box is provided with a three-fork tongue hole, a square tongue hole and a square tongue silencing block; a three-fork tongue silencing sleeve is built in the three-fork tongue hole, and a three-fork tongue is embedded in the three-fork tongue silencing sleeve; the middle of the three-fork tongue is provided with a silencing frictional tongue, the back end of the three-fork tongue is fixedly connected with a slide rod, and the back end of the slide rod is provided with a slide rod silencing block; the square tongue silencing block is embedded in the square tongue hole, and a square tongue is embedded in the square tongue silencing sleeve, and its back end is fixedly connected with a slide block; multiple roller bead braces are arranged on the slide block, and a roller bead is respectively embedded in each of the roller bead brace respectively. Through the technical scheme, the mute lock body structure adopts a lot of silencing plastic materials, and thereby avoiding the direct collision and friction between metals, comprehensively reducing the noise generated by the movement of the internal lock body structure, and making the lock body reach a good mute effect.