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

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 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 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 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 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 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 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 discloses a multi-slider matched molding structure of an injection mold. The structure comprises a first slider and a second slider located on the opposite side of the first slider, wherein a third slider abutting against the first slider and the second slider during molding is arranged between the first slider and the second slider, the third slider comprises a third slider insert and a third slider body detachably connected with the third slider insert, third connecting grooves which dents from top to bottom are formed in the third slider body, third screw holes are formed in the third connecting grooves, third bosses inserted into the third connecting grooves from top to bottom are arranged on the third slider insert, third fixing holes corresponding to the third screw holes are formed in the third bosses, stop screws which penetrate through the third fixing holes and are connected with the third screw holes to fix the third slider insert on the third slider body are arranged on the third slider insert, the average gap d between screw rods of the stop screws and the third fixing holes is 0.05 mm, and clamping lines left on products can be reduced.