51results about How to "Reduce hard collision" patented technology

The invention discloses a multi-connecting-rod anti-collision mechanism and an intelligent moving body. The anti-collision mechanism comprises a collision rod, a connecting rod mechanism and a telescopic mechanism, wherein the connecting rod mechanism comprises a first supporting rod and a second supporting rod, the first supporting rod is in rotating connection with the intelligent moving body and the collision rod and is in rotating and sliding connection with the telescopic mechanism, and the second supporting rod is in rotating and sliding connection with the intelligent moving body and the collision rod and is in rotating connection with the telescopic mechanism; the telescopic mechanism comprises a spring and moves in the compressing direction of the spring. According to the anti-collision mechanism, connecting rods can rotate and slide relatively, and the connecting rods and a vehicle body can rotate and slide relatively; when the anti-collision mechanism collides with an object by different angles and at different positions, the connecting rod mechanism and the telescopic mechanism are pushed to move backwards, a buffering effect is realized, a collision signal can be generated when the tail of the telescopic mechanism makes contact with a touch sensor, the intelligent moving body can give an instruction, such as stopping power output, according to the collision signal, and then further damage is avoided.

The invention discloses an earthquake prevention fixed base for an electric pole. The earthquake prevention fixed base comprises a support base (1), an earthquake absorption structure and a change-over structure (10), wherein an accommodating cavity (2) is formed in the center of the support base (1), a cover plate (3) is arranged on the upper end surface of the support base (1), and a through hole is formed in the center of the cover plate (3); the earthquake absorption structure comprises an earthquake absorption seat (4) and a connecting rod (5), the earthquake absorption seat (4) is arranged in the accommodating cavity (2), and the upper end of the connecting rod (5) stretches out of the through hole; and a sealing ring (6) is arranged between the connecting rod (5) and the cover plate (3), a warp-weft interwoven reinforcing layer (7) is arranged in the sealing ring (6), and a buffer component is arranged between the earthquake absorption seat (4) and the accommodating cavity (2). According to the earthquake prevention fixed base for the electric pole, a disc spring buffer component is arranged between the support base and the earthquake absorption seat, and the sealing ring is arranged between the connecting rod and the cover plate, so that rigid damage caused by transverse waves and longitudinal waves of an earthquake to the electric pole can be effectively prevented. Meanwhile, the earthquake prevention fixed base has the advantages that the production is easy, the mounting is convenient, and the like.

The invention discloses an anti-seismic pole which comprises a pole main body (10), a moisture-proof shell and an anti-seismic mechanism arranged in the moisture-proof shell, wherein the anti-seismic mechanism comprises a support base (1) and a damping structure; an air spring (9) is arranged between the damping structure and the support base; a pressure sensing module (21) and a wireless sending module (22) are arranged in the air spring (9); the wireless sending module (22) is wirelessly communicated with a wireless receiving module in a remote central control chamber; an output end of the wireless receiving module is electrically connected with a control module; the output end of the control module is electrically connected with an alarming module. According to the invention, a disc spring set and an air spring buffering component are arranged between the support base and the damping base and a damping spring is arranged between a connecting rod and a cover plate, so that the rigid damage of transverse wave and longitudinal wave of earthquake to the pole can be effectively prevented.

The invention discloses a quakeproof pole tower. The quakeproof pole tower comprises a pole body main body (10), a moisture-proof case and a quakeproof mechanism arranged in the moisture-proof case, the quakeproof mechanism comprises a supporting base (1) and a shock absorption structure, an accommodation cavity (2) is formed in the center of the supporting base (1), a cover plate (3) is arranged on the upper end face of the supporting base (1), a through hole is formed in the center of the cover plate (3), the shock absorption structure comprises a shock absorption seat (4) and a connecting rod (5), the shock absorption seat (4) is arranged in the accommodation cavity (2), the upper end of the connecting rod (5) extends out of the through hole, a buffer spring is arranged between the connecting rod (5) and the cover plate (3), and multiple disc spring buffer parts are arranged between the shock absorption seat (4) and the accommodation cavity (2). According to the quakeproof pole tower, through the arrangement of the disc spring buffer parts between the supporting base and the shock absorption seat and the arrangement of the buffer spring between the connecting rod and the cover plate, the stiffness damage of transverse waves and longitudinal waves in an earthquake to a pole are effectively prevented.

The invention discloses a quakeproof platform for a tower. The quakeproof platform for the tower comprises a support base (1), a damping structure and a connecting structure (10). An accommodation cavity (2) is formed in the center of the support base (1), a cover plate (3) is installed on the upper end face of the support base (1), and a through hole is formed in the center of the cover plate (3). The damping structure comprises a damping seat (4) and a connection rod (5), the damping seat (4) is installed in the accommodation cavity (2), the upper end of the connection rod (5) stretches out of the through hole, a sealing ring (6) is installed between the connection rod (5) and the cover plate (3), a reinforcing layer (7) which is interwoven transversely and longitudinally is installed in the sealing ring (6), and a plurality of disc spring buffering pieces are installed between the damping seat (4) and the accommodation cavity (2). According to the quakeproof platform for the tower, by installing disc spring buffering pieces between the support base and the damping seat and installing the sealing ring between the connection rod and the cover plate, rigid damage of transverse waves and longitudinal waves of earthquakes to electric poles is effectively prevented, and meanwhile, quakeproof platform for the tower has the advantages that manufacturing is easy, and installing is convenient.

The invention relates to an automatic descent control device for a high-pressure gas impact hypocenter. The automatic descent control device comprises an air pressure chamber, an airflow valve, a guide pull rod, an air pressure chamber base, an air pressure chamber bottom cover, an airflow circulation valve block, a valve block baffle and a fixing bracket; the upper end of the air pressure chamber is opened, and the air pressure chamber bottom cover is mounted at the lower end of the air pressure chamber and mounted on the fixing bracket through the air pressure chamber base; the airflow valve is matched and connected in the air pressure chamber, the lower end of the airflow valve is fixedly connected with the guide pull rod, the lower end of the guide pull rod penetrates through a center hole of the air pressure chamber bottom cover and is connected with a hypocenter hammer body, and the guide pull rod is in sealing connection with the center hole of the air pressure chamber bottom cover; and the airflow circulation valve block and the valve block baffle are mounted on the lower end surface of the airflow valve. By means of the automatic descent control device, the time difference produced when the hypocenter hammer body impacts the ground for the first time can be effectively prolonged, so that energy of elastic waves produced when the hypocenter hammer body impacts the ground for the second time can be reduced, and the elastic waves can be prevented from influencing effective recording; and rigid collision of the hypocenter hammer body can be effectively reduced, the fatigue of part materials can be reduced, and the service life of the hypocenter hammer body is prolonged.

The invention relates to a die for die cutting of tag paper. The die comprises a lower die plate, an upper die plate and a cushion plate. Multiple guide grooves are formed in the lower die plate, shaft sleeves corresponding to the guide grooves one to one are connected to the upper die plate, guide columns are arranged in the shaft sleeves in a penetrating manner, one ends of the guide columns penetrate through the upper die plate downwards, the ends, penetrating through the upper die plate, of the guide columns are connected with guide sleeves, the guide grooves and the guide grooves are in insertion fit, multiple steel balls are arranged on the side walls of the guide sleeves in an embedded manner, the guide columns are sleeved with compression springs, and the two ends of the compression springs are connected with the upper die plate and the guide sleeves correspondingly. A through groove is formed in the upper die plate, a fixed knife block is arranged in the through groove, a cutter is arranged on the bottom face of the fixed knife block, and the fixed knife block is fixed to the upper die plate through a connecting part. Multiple fastening screws are arranged on the cushion plate in a penetrating manner, the fastening screws are in threaded connection with the upper die plate, and the fastening screws are sleeved with fastening sleeves. The die has the effect of wideningthe application range of the die.

The invention relates to an electromagnetic braking or coupling device (1), comprising an electromagnetically actuatable displacement unit for providing a force on at least one brake disk or coupling disk (7) and comprising damping means (4, 8) for noise reduction. One or more damping elements (4, 8) made of a viscoelastic plastic material are provided as damping means. In the event of a force load within a time window of less than approximately 2 seconds and at a room temperature approximately between 20 DEG C and 25 DEG C, the viscoelastic plastic material has an over-stress of no less than approximately 10%, preferably no less than approximately 30%, in relation to an equilibrium stress of the viscoelastic plastic material.

The invention provides a road safety buffering guardrail device. The device comprises stand columns, cross beams and buffer steel ropes, the cross beams are fixed to the stand columns, and the stand columns are connected with the cross beams through buffer supports; one side of each buffer support is connected with the corresponding stand column through bolts, and the other side of each buffer support is connected with the corresponding cross beam through buckles; the buffer steel ropes are connected between every two adjacent cross beams, and the two ends of each buffer steel rope are connected with the cross beams through buffers respectively. The buffer supports are arranged between the stand columns and the cross beams, so that the hard collision between a vehicle and a guardrail is reduced; when the vehicle impacts on the buffer steel ropes, the buffer steel ropes can be buffered, the impact force is absorbed, the safety of the vehicle and personnel is protected, and the possibility of secondary injury is reduced. The buffers are installed in the middle of the guardrail, the buffers are deformed to absorb impact energy, harm to personnel in the vehicle is reduced, damage in traffic accidents is avoided, and casualties caused by the traffic accidents can be reduced.

The invention relates to the technical field of solar energy utilization, and particularly discloses a cleaning mechanism and a heliostat system. The cleaning mechanism comprises a supporting beam, cleaning assemblies, elastic pieces, a water supplying assembly and a driving assembly, wherein a water supplying flow channel is arranged in the supporting beam in the length direction; the cleaning assemblies are in a long strip shape, the cleaning assemblies are arranged on one side of the supporting beam at intervals in the length direction of the supporting beam, water spraying flow channels are arranged in the cleaning assemblies, the water spraying openings of the water spraying flow channels are located on the sides, far away from the supporting beam, of the cleaning assemblies, and thewater spraying flow channels communicate with the water supplying flow channel; one ends of the elastic pieces are connected with the supporting beam, and the other ends of the elastic pieces are connected with the cleaning assemblies; the water supplying assembly communicate with the water supplying flow channel, and is used for supplying clean water to the water supplying flow channel; the driving assembly is connected with the supporting beam and is used for driving the supporting beam to rotate or horizontally move. The heliostat system comprises the cleaning mechanism. According to the cleaning mechanism and the heliostat system, the structure of the cleaning mechanism is simplified, the size and the cost of the cleaning mechanism are reduced, and the flexibility and convenience of heliostat cleaning are improved.

The invention relates to the technical field of nitrogen cylinders, and discloses a nitrogen cylinder fixing device which comprises a base plate. Two sets of fixing rings and four sets of supporting columns are arranged at the top of the base plate, pressing devices are arranged in the middles of the inner concave faces of the front sides of the two fixing rings, and linkage limiting devices are arranged on the wall faces of the front sides of the two fixing rings. Each linkage limiting device comprises a limiting rod. According to the nitrogen cylinder fixing device, the fixing rings, the pressing devices and the linkage limiting devices are arranged, a nitrogen cylinder is fixedly stored, and a pressing plate is buffered and extruded through the outer wall of the rear side of the nitrogen cylinder, so that the pressing plate extrudes and injects air in a pressing groove cavity into two sets of linkage air bags; the two sets of pressurized linkage air bags extrude and push out the corresponding limiting rods through the sliding plates, finally, the outer wall of the nitrogen cylinder is annularly wrapped and limited through the four corresponding limiting rods in the upper set and the lower set, and the nitrogen cylinder is fixedly limited between the fixing rings and the limiting rods.

The invention discloses a convenient-to-convey carbon dioxide fracturing device. The convenient-to-convey carbon dioxide fracturing device comprises a gas release block, a gas guide block, a liquid storage pipe, a heating pipe and a filling valve, a liquid storage cavity is formed inside the liquid storage pipe, one side of the liquid storage cavity is fixedly provided with the heating pipe, the side, close to the heating pipe, of the liquid storage pipe is fixedly provided with the filling valve through threads, and the side, far away from the heating pipe, of the liquid storage pipe is further fixedly provided with the gas guide block through threads. According to the convenient-to-convey carbon dioxide fracturing device, an anti-skid grip is arranged at the front end of the carbon dioxide fracturing device so that the fracturing device can be prevented from moving in a blast hole, meanwhile, a gas release port is formed so that gas can be sprayed along a preset trajectory, moreover, a sound absorption material is attached to the inner wall so that noise generated during blasting can be reduced, a dust suppressant bag is arranged at the front portion of a gas channel so that a dust suppressant can be driven through spraying of the gas to be sprayed, then generation of blast dust is inhibited, and a damping assembly is arranged on the side wall of the liquid storage pipe so that hard collision of an external environment to the liquid storage pipe in the transportation process can be reduced.

The invention relates to the technical field of new energy batteries, and discloses a multifunctional new energy battery box. The battery box comprises a shell; four groups of heat dissipation holes distributed in an annular array are formed in the middle of the shell, four groups of fastening mechanisms distributed in an annular array are arranged in an inner cavity of a cavity of the shell, and the four groups of fastening mechanisms correspond to the corresponding heat dissipation holes respectively; and each fastening mechanism comprises a fastening plate, a fastening rod and a limiting block. According to the multifunctional new energy battery box, when the new energy battery body works abnormally and volume expansion and poor heat dissipation occur, the fastening rod is pushed through volume expansion of the new energy battery body to extrude and push the extrusion plate to one side in the heat dissipation hole cavity; the extrusion plates move to drive the heat dissipation plates distributed in the annular array to synchronously deflect towards one side in the heat dissipation hole cavity, so gaps between the heat dissipation plates distributed in the annular array are gradually enlarged, the ventilation and heat dissipation efficiency of the heat dissipation holes is improved, and the ventilation and heat dissipation efficiency of the new energy battery body is improved.

The invention relates to the technical field of oxygen cylinders, and discloses an oxygen cylinder fixing support convenient to carry. The oxygen cylinder fixing support comprises a chassis, wherein two fixing plates are fixedly arranged on each of the front side and the rear side of the top wall surface of the chassis; two connecting plates are fixedly arranged between the two fixing plates located at the rear side of the top of the chassis; and side surrounding mechanisms are arranged on the front side wall faces of the two fixing plates located at the rear side of the top of the chassis. According to the oxygen cylinder fixing support convenient to carry, the outer wall of the rear side of the oxygen cylinder is limited and clamped in U-shaped grooves of two sets of limiting plates, then two sets of side surrounding mechanisms are rotated, the outer walls of the two sides of the oxygen cylinder are limited at the same time through surrounding plates A and surrounding plates B whichare in an S-shaped state, and finally, the two sets of surrounding plates A are firmly connected together through a binding mechanism and a rope; and the oxygen cylinder fixing and transporting efficiency is improved, the multi-buffering protection effect on the oxygen cylinder in the fixing and transporting process is achieved, and high practicability and creativity are achieved.

The invention discloses a perpendicular electroplating device which comprises a conveying chain and an electroplating hanger device hung on the conveying chain. The electroplating hanger device comprises a fixing arm, a conveying device and a self-adaptation adjusting device. The conveying device comprises reverse stop wheels, wherein the reverse stop wheels are connected to one side of the fixing arm. The positions of the reverse stop wheels are automatically adjusted by the self-adaptation adjusting device according to the stress situation of the reverse stop wheels so that the reverse stop wheels can be meshed with the conveying chain. Compared with the prior art, by means of the perpendicular electroplating device, rigid collisions between the reverse stop wheels and the conveying chain can be buffered, so that vibration of the electroplating hanger device is reduced or even avoided, and the electroplating effect of a workpiece to be electroplated is improved.

The invention discloses a high-precision numerical control hydraulic punching machine which comprises a punching machine body, a punching head, a punching table, a guide mechanism and a heat dissipation mechanism. The punching head is arranged in the punching machine body, the punching table is located below the punching head, and a punching plate is fixedly connected to the outer surface of the upper end of the punching table. A punching hole is fixedly connected to the position, close to the middle, of the outer surface of the upper end of the punching plate, guide mechanisms are arranged atthe positions, close to the two sides of the punching hole, of the outer surface of the upper end of the punching plate, and heat dissipation mechanisms are arranged in the guide mechanisms. According to the high-precision numerical control hydraulic punching machine, by arranging the guide mechanisms, a roller can rotate along with materials in the process that the materials move on the surfaceof the punching table, so that the difficulty of conveying the materials on the surface of the punching plate is lowered, and friction is reduced; and meanwhile, the roller is matched with an elastictelescopic mechanism in the rotating process and can move up and down along with the materials, so that hard collision between the materials and the roller is reduced, and the punching effect of the device is improved.

The pile hole sediment thickness detection device for engineering supervision comprises a fixing block, top arc plates are fixedly connected to the bottom end of the fixing block at equal angles, rotating pins are embedded into the inner sides of the top arc plates, and the outer sides of the rotating pins are sleeved with adjusting rods. Fixing holes are formed in one end of the top arc plate atequal angles, the bottom end of the telescopic rod is rotationally connected with a bottom arc plate, a bottom fixing pin is embedded in the position, corresponding to the telescopic rod, of one end of the bottom arc plate, and the bottom end of the bottom arc plate is fixedly connected with a stabilizing plate. By inserting the fixing pins into different fixing holes, the adjusting rod can be opened to different angles, so that the detection device can be suitable for pile holes of different specifications and is simple and convenient, and by inserting the bottom fixing pins into the fixing holes in the outer side of the bottom arc plate, the stability of the detection device is improved, and the detection precision is improved.

The invention provides an electric drive aerial operation vehicle control system and an aerial operation management system and relates to the field of control of engineering machinery equipment. According to the electric drive aerial operation vehicle control system and the aerial operation management system provided by the invention, a main control unit is used for controlling a platform controlunit so that the platform control unit is used for correspondingly controlling an arm support structure to drive an operation platform to do smooth accelerated / decelerated movement until the target arm support action is completed. According to the electric drive aerial operation vehicle control system and the aerial operation management system provided by the invention, the main control unit is also used for controlling a rotary table control unit so that the rotary table control unit is used for controlling a rotary table structure to do smooth accelerated / decelerated movement until the target rotary table action is completed. Besides, according to the electric drive aerial operation vehicle control system and the aerial operation management system provided by the invention, the main control unit is further used for controlling a running control unit so that the running control unit is used for controlling a drive motor to do smooth accelerated / decelerated rotation until a target motor rotating speed is reached. Therefore, the electric drive aerial operation vehicle control system and the aerial operation management system provided by the invention realize a gentle control effecton an electric drive aerial operation vehicle, improves the running coordination of the electric drive aerial operation vehicle during operation, reduces hard collision and impact of a mobile machinebody, prolongs the service life of the electric drive aerial operation vehicle and increases the operation comfort degree and the safety guarantee coefficient of an operator.

The invention discloses a multifunctional automobile whole-line installing robot, and relates to the technical field of robots. The multifunctional automobile whole-line installing robot comprises a installing table, the installing table is used for installing the robot, a rotating disc is rotationally arranged at the upper end of the installing table, the rotating disc is driven by a fifth motor,a first mechanical arm is fixedly arranged at the upper end of the rotating disc, the first mechanical arm is connected with a second mechanical arm through a first rotating joint, a first motor is arranged on the second mechanical arm, the first motor arranged facilitates the driving of the second mechanical arm to rotate along the first rotating joint, a sliding cavity is formed inside the second mechanical arm, and a hydraulic cylinder used for driving a sliding arm is arranged on the sliding cavity; and a third motor used for driving the working disc to rotate is arranged at the bottom ofthe third mechanical arm, a working disc is arranged at the bottom of the third motor, a mounting device and a mechanical arm device are arranged on the working disc. According to the multifunctionalautomobile whole-line installing robot, an integrated body design of installing and clamping is realized, and the working efficiency is improved.

The invention discloses a reinforcement cage forming device for a pile hole foundation. The reinforcement cage forming device comprises a base and a plurality of fixing components and is characterizedin that the middle of the base is provided with a guide rail, a first support plate is fixed at one end of the guide rail, a second support plate is slidably arranged at the other end of the guide rail, a first rotary disc is rotatably arranged on the first support plate and provided with a plurality of butt joint holes, the second support plate is rotatably provided with two coaxial bearings, agap exists between the two bearings, a second rotary disc opposite to the first rotary disc is rotatably arranged in the two bearings, the middle of the outer peripheral wall of the second rotary discis provided with a toothed belt, a motor is fixed on the second support plate, a gear is mounted at the output end of the motor, and the second rotary disc is provided with a plurality of fixing holes. The reinforcement cage forming device has the advantages that during winding, longitudinal reinforcing steel bars are constantly clamped and fixed by the fixing components, a welding effect betweenthe longitudinal reinforcing steel bars and transverse reinforcing steel bars is prevented from being affected by the fact that the longitudinal reinforcing steel bars turn in barrels, and the strength of a reinforcement cage is guaranteed.

The invention discloses an implementation method of a reinforcement cage forming device for a pile hole foundation. The method includes: fixing a plurality of fixing components on a first rotary discand a second rotary disc to form two concentric and unidiameter circles; regulating the interval between a first support plate and a second support plate according to the axial length of a reinforcement cage, inserting a plurality of longitudinal reinforcing steel bars needed by the reinforcement cage into the fixing components on butt joint holes and mounting holes; starting a motor to allow themotor to drive a gear to mesh with a toothed belt, and allowing the second rotary disc to rotate inside two bearings, and allowing the first rotary disc to rotate synchronously; arranging transverse reinforcing steel bars on the reinforcement cage structure formed by the longitudinal reinforcing steel bars, and welding the connecting points of the transverse reinforcing steel bars and the longitudinal reinforcing steel bars until the transverse reinforcing steel bars completely wind the reinforcement cage structure. The method has the advantages that during the winding, the longitudinal reinforcing steel bars are constantly clamped and fixed by the fixing components, and the welding effect between the longitudinal reinforcing steel bars and the transverse reinforcing steel bars is prevented from being affected by the fact that the longitudinal reinforcing steel bars turn in barrels.

The invention aims to provide an intelligent train box bucket unloading method for solving the technical problem of unloading a powdery material in a train bucket. The intelligent train box bucket unloading method comprises the following steps: a control system starts an auxiliary unloading driving electrically controlled switch, and an auxiliary unloading port in an unloading main door plank is opened; then, an unloading door driving motor drives the unloading main door plank to move, and an unloading port is opened; in the unloading process, the control system starts a material pulling driving motor; and after the material pulling driving motor is started, the control system starts a crank driving motor, and a crank rotates to push the material to the unloading port.

The invention discloses a sliding table feeding mechanism. The sliding table feeding mechanism comprises a guide supporting assembly, sliding blocks, a sliding rail, supporting legs, foot bases, racks, a transmission assembly, a main engine and a fixed table; the racks are connected to the two sides of the main engine, a fixed table is welded to the top ends of the racks, the supporting legs are arranged on the bottom of the fixed table, the guide supporting assembly is arranged on the top end of the fixed table, a first spring ejector rod is connected to one end of the bottom of a table board, a second spring ejector rod is connected to the other end of the bottom of the table board, the outer wall of the second spring ejector rod is sleeved with a supporting spring, spring mounting strips are welded to the bottoms of the first spring ejector rod and the second spring ejector rod, a supporting plate is arranged on one sides of the spring mounting strips, a screw supporting base is welded to one side of the supporting plate, a clamping sleeve is arranged on one side of the screw supporting base, and the transmission assembly is arranged below the clamping sleeve. The sliding tablefeeding mechanism has the advantages of being high in stability and long in service life.

The invention relates to the technical field of rail transit and discloses a floating slab limiting device and a floating track bed. The floating slab limiting device comprises a concrete limiting stopping block arranged in a gap of a floating slab; a buffering pad component connected with the concrete limiting stopping block in an anchored manner is arranged between the concrete limiting stoppingblock and the floating slab; the buffering pad component comprises a buffering pad main body and a rigid plate which is arranged between the buffering pad main body and the floating slab; and the rigid plate is in smooth contact with the floating slab. According to the floating slab limiting device and the floating track bed, as the buffering pad component connected with the concrete limiting stopping block in an anchored manner is arranged between the concrete limiting stopping block and the floating slab, the buffering pad component comprises the buffering pad main body and the rigid platewhich is arranged between the buffering pad main body and the floating slab, and the rigid plate is in smooth contact with the floating slab, irreversible upward pull-out phenomenon of the buffering pad component is avoided.

The invention discloses an anti-seismic pole which comprises a pole main body (10), a moisture-proof shell and an anti-seismic mechanism arranged in the moisture-proof shell, wherein the anti-seismic mechanism comprises a support base (1) and a damping structure; an air spring (9) is arranged between the damping structure and the support base; a pressure sensing module (21) and a wireless sending module (22) are arranged in the air spring (9); the wireless sending module (22) is wirelessly communicated with a wireless receiving module in a remote central control chamber; an output end of the wireless receiving module is electrically connected with a control module; the output end of the control module is electrically connected with an alarming module. According to the invention, a disc spring set and an air spring buffering component are arranged between the support base and the damping base and a damping spring is arranged between a connecting rod and a cover plate, so that the rigid damage of transverse wave and longitudinal wave of earthquake to the pole can be effectively prevented.

The invention discloses a tool used for pressing dance shoes sequins. The tool comprises a spindle, a first fixing plate, a second fixing plate, a third fixing plate, first pressing columns and second pressing columns; the first fixing plate, the second fixing plate and the third fixing plate are sequentially sleeved on the spindle from top to bottom, and elastic pieces are arranged between the first fixing plate and the third fixing plate; forming holes are structured in the second fixing plate, upper through holes are formed in the first fixing plate, the first pressing columns penetrate the upper through holes, lower through holes are formed in the third fixing plate, and the second pressing columns penetrate the lower through holes to be embedded in the forming holes; annular isolating parts are connected to positions of lower openings of the upper through holes and upper openings of the lower through holes, the first pressing columns and the second pressing columns penetrate the isolating parts, limit rings are arranged at lower ends of the first pressing columns and upper ends of the second pressing columns, and the outer annular diameter of the limits is greater than the bore diameter of the through holes. By the arrangement, normal movement of the pressing columns is unaffected in operation when dust enters gaps between the fixing plates and the pressing columns, and pressing efficiency of raw materials can be guaranteed.

The invention relates to the technical field of trailer coupler connection structure, more specifically a trailer coupler connection structure, the device can adjust the expansion and contraction of the follow-up sliding frame and the running frame by rotating two adjustment columns, and can be conveniently connected with the trailer when extended After retracting, the anti-collision beam can be kept in a normal state without affecting the appearance and use of the anti-collision beam. This device disperses the connection points to disperse the stress, and the device is equipped with a buffer structure, rubber layer I, rubber Buffer structures such as layer II and rubber layer III can reduce the hard collision between components when the device is connected to the trailer, and avoid collision damage.