31results about How to "Implement secondary buffering" patented technology

The invention provides a pulping device repulping based on a rotating lifting type rotor. The device mainly comprises an electromagnetic lifting device, a rotating mixing device, a buffer device, and a slurry generating device. The device is characterized in that the rotor is reciprocating and lifts while rotating, stirring, crushing, and decomposing to pulp. Through the electromagnetic lifting device, a lifting function of the rotating mixing device is realized, through a thread shaft, a rotating function of the rotating mixing device is realized, through the rotating mixing device, high-efficiency stirring, crushing, and decomposing of crushed aggregates are realized, and through the buffer device, buffer protection of the rotating mixing device is realized, and through filter holes on a filter plate, homogeneous control of decomposed crushed aggregates is realized.

The invention discloses a special shock-absorbing tripod for an aerial camera, which comprises a shock-absorbing base body, on which a connecting piece for connecting with the aerial camera body is arranged, and a shock-absorbing bracket is arranged under the shock-absorbing base body, and the shock-absorbing bracket includes a horizontal The main bracket with a circular cross-section is equipped with multiple groups of sub-supports evenly on the outer circumference of the main bracket. The sub-supports include a primary shock absorber, an intermediate connector and a secondary shock absorber. The secondary shock absorber includes a top connector. The top connecting piece is cylindrical, and the bottom surface of the top connecting piece is provided with three expansion assemblies along the circumference, and a connecting assembly is arranged between two expansion assemblies, and the expansion assembly and the connecting assembly form a shock absorbing sleeve. The other end of the intermediate connector is provided with a shock-absorbing head adapted to the shock-absorbing sleeve. The shock-absorbing head is set in the shock-absorbing sleeve and can move along the axial direction of the shock-absorbing sleeve; the invention solves the problem very well. It solves the problem of excessive impact force when landing, and ensures the safe landing of the drone.

The invention discloses a multi-layer buffer automobile anti-collision device which comprises a bumper bar. The bumper bar includes an anti-collision baffle. A stress rod is arranged on the anti-collision baffle, a first anti-collision cushion is arranged at the front side of the anti-collision baffle, an anti-collision sensor is arranged inside the first anti-collision cushion, three energy absorption structures of the same specifications are arranged on the rear side of the stress rod, anti-collision pipes are arranged on the right sides of the energy absorption structures, protrusions are arranged on the rear sides of the energy absorption structures, the energy absorption structures are clamped to the interiors of the anti-collision pipes through the protrusions, anti-collision springsare arranged inside the anti-collision pipes, cylinder baffles are arranged at the right ends of the anti-collision springs, anti-collision air bags are arranged at the front sides of the cylinder baffles, the anti-collision air bags are electrically connected to the anti-collision sensors, the anti-collision sensors are electrically connected to one single-chip microcomputer, cylinders are arranged at the right sides of the cylinder baffles, connecting plates are connected to the right sides of the anti-collision pipes, and the right sides of the connecting plates are connected to an automobile. The device is high in safety performance and simple in structure; due to multiple buffer layers, the automobile and human bodies are protected to the maximum extent.

The invention discloses scattered water feeding equipment with damping and cooling devices. The equipment comprises a placing base, and a placing tank formed in the top of the placing base; water feeding equipment is mounted in the placing tank; the placing base is provided with a damping device and a cooling device; the primary buffering of the water feeding equipment in the working process is realized through a first spring and a slide ball in the damping device; the secondary buffering of the water feeding equipment is realized through a gear, a rack and a second spring; the twice damping effects are combined to greatly reduce the vibration of the water feeding equipment and to facilitate stable operation of the water feeding equipment; the cooling of the water feeding equipment is realized through a vertical plate in the damping device and an air pump in the cooling device; through the vertical plate, the intake position can be alternately changed, so that air is blown to the waterfeeding equipment from different positions; and during damping, the airflow circulation is realized through linkage, so that the cooling effect on the water feeding equipment is greatly improved.

The invention discloses a coconut picking device, and relates to the technical field of fruit picking machinery. The coconut picking device comprises a device main body, wherein a connecting base is fixed to the bottom of the device main body, the interior of the device main body is hollowed out, an opening is formed in the top of the device main body, the bottom of the device main body is arc-shaped, and a cutting-off and picking mechanism is arranged on the inner wall of the top of the device main body. According to the coconut picking device, the connecting base is arranged to be connected with a lengthened telescopic rod so as to pick coconuts on the ground, the cutting-off and picking mechanism is arranged and can cut off the joints between coconut fruits and coconut trees through mutual movement between the coconuts and the device main body when the device main body ascends, moreover, the cut coconut fruits fall into the device main body under the action of gravity, so that the integrity of the coconut fruits is not influenced, meanwhile, the cut coconut fruits do not harm picking personnel at the bottom of the coconut tree, and the safety of the device during coconut fruit picking is improved.

The invention belongs to the field of tunnels, and particularly relates to a tunnel piston pressure relief device. The device is characterized in that a plurality of supporting rods are slidably connected into a supporting ring at equal intervals, one ends of the supporting rods extend to the outer side of the supporting ring and are fixedly provided with a same buffer ring, and a plurality of supporting shafts are symmetrically and rotationally connected into the buffer ring; and the bottom ends of the plurality of supporting shafts extend to the position below the buffer ring, two transmission racks are symmetrically connected to the bottom of the buffer ring in a sliding mode and are in transmission connection, rotating gears are fixedly installed at the bottom ends of the supporting shafts, the transmission racks are engaged with the multiple rotating gears located on the same side correspondingly, and the supporting shafts are fixedly sleeved with flow guide plates located in thebuffer ring. According to the device, when a train enters a tunnel, two-stage buffer damping can be achieved on generated strong air flow, so that the air speed is effectively reduced, good protectioncan be provided when the train enters the tunnel, and good safety is achieved.

The invention relates to the technical field of motor damping, in particular to a damping protection base for a motor, which comprises a motor main body, the lower end of the motor main body is fixedly connected with a placement block, the middle position of the lower end of the placement block is fixedly connected with a limiting block, and the lower end of the limiting block is slidably connected with a buffer plate. Connecting rods are rotatably connected to the left side and the right side of the lower end of the buffer plate correspondingly, sliding blocks are rotatably connected to the lower ends of the connecting rods, guide rods are slidably connected to the interiors of the sliding blocks, bases are fixedly connected to the left end and the right end of each guide rod correspondingly, and second bolts are spirally connected to the middle positions of the left end and the right end of a placement block correspondingly. The motor is placed at the upper end of the placing plate, the supporting plate is driven to move through rotation of the arranged second bolt, and then the pressing plate is driven to move through rotation of the first bolt, so that the bottom of the motor is integrally fixed, the situation that the motor is loosened due to vibration in the using process and danger is caused is prevented, and meanwhile the motor is convenient to disassemble.

The invention relates to the field of gardens, in particular to a garden sapling transportation device with a good protection effect. The device comprises a bottom plate, a walking mechanism is arranged on the lower side of the bottom plate, a support is arranged on the left side of the bottom plate, a push rod is arranged at the upper end of the left side of the support, a supporting seat is arranged on the upper side of the bottom plate, and a buffer water cavity is formed in the supporting seat; and a buoyancy plate is arranged in the buffer water cavity, a sapling containing barrel is arranged on the upper side of the buoyancy plate, the upper end of the sapling containing barrel extends out of the supporting seat and is in sliding connection with the supporting seat, a water absorption rope is arranged at the lower end of the sapling containing barrel, and a plurality of buffer mechanisms are arranged on the lower side of the buoyancy plate. By means of the structural arrangementof the device, while the saplings are kept wet, shaking generated by movement of the device can be reduced, the stability of the device is improved, and practicability is high.

The invention belongs to the technical field of hydraulic pressure, and particularly relates to a bidirectional balance double-acting buffer device for a hydraulic cylinder piston. The buffer device comprises a valve element I, a valve element II and a valve sleeve body. The piston is provided with a through valve groove in the axial direction, the valve element I and the valve element II are arranged in the valve groove and each comprise an oil blocking part and a buffering part, an elastic piece is arranged between the oil blocking part of the valve element I and the oil blocking part of thevalve element II, the valve element I is axially limited by a shaft shoulder of the valve groove, and the valve element II is axially limited by the valve sleeve body installed on the piston. When the oil blocking part of the valve element I is in close contact with the shaft shoulder of the valve groove, the buffering part of the valve element I extends to the outer side of the piston. When theoil blocking part of the valve element II is in close contact with the valve sleeve body, the buffering part of the valve element II extends to the outer side of the piston. According to the buffer device, the two valve elements are arranged at the two ends of the piston and connected through the elastic piece, the hydraulic cylinder achieves bidirectional buffering, and two times of buffering areachieved through the elastic piece and the two valve elements in the buffering process.

The invention discloses breast cancer postoperative limb rehabilitation auxiliary exercise equipment which comprises a supporting frame and a limiting adjusting device, by arranging the limiting adjusting device, under limiting cooperation of limiting rods at the left end and the right end of the front side of a movable frame, exercise angle limiting can be achieved, and strain is avoided; under the effect of an adjustment box at the upper end of the left side in a shell, a second gear can drive a screw rod to rotate, then a movable frame at the lower end of the screw rod can rotate along with the screw rod, the upward movement of a limiting rod is achieved to drive adjustment, and therefore the advantages that the exercise angle of the upper limb exercise equipment is limited, and the limiting position is rapidly adjusted are achieved; buffer assemblies are arranged at the outer ends of the front sides of the limiting rods, that is, under the cooperation of a soft cushion layer and a buffer plate, primary buffering is achieved, secondary buffering is achieved under the elastic force of a first compression spring and a second compression spring, third buffering is achieved under the cooperation of a piston, the firm use of the limiting rods is guaranteed, and therefore the limiting rods are protected in a buffering mode and prevented from being damaged due to long-time impact.

The invention discloses a safety fence used for building construction. The safety fence comprises two fence handrails and a buffer connecting mechanism arranged between the two fence handrails, two connecting parts are arranged on the sides, away from the buffer connecting mechanism, of the fence handrails, first plug pins are arranged on the back faces of the fence handrails, fixed shafts are arranged on the tops of the fence handrails, the surfaces of the fixed shafts are movably connected with rear supporting rods, supporting bottom plates are fixedly connected to the ends, away from the fixed shafts, of the rear supporting rods, and second plug pins are arranged on the back faces of the supporting bottom plates. The safety fence used for building construction is reasonable in structural design, and convenient to mount, the fence can be suitable for being used on the uneven ground of a building construction site, fence inclination is avoided, meanwhile, a certain buffer function isachieved, after a worker impacts the fence, the body can be protected, damage is avoided, the safety hidden danger is greatly reduced, and use needs can be comprehensively met.

The invention belongs to the technical field of hinge manufacture, and particularly provides a synchronous manufacturing method for main and auxiliary hinge pieces. According to the method, a clamp groove corresponding to the auxiliary hinge piece is formed in the main hinge piece; a gap is formed between the clamp groove and the auxiliary hinge piece, and a supporting unit is fixedly mounted in the clamp groove; the supporting unit is used for supporting the main auxiliary piece and comprises two supporting plates, a reinforcing rod and a reinforcing rope; the two supporting plates are symmetrically distributed on two sides of the clamp groove, and the other ends of the two supporting plates are fixedly connected through the reinforcing rod; and the two supporting plates and the reinforcing rod constitute a triangular shape. The supporting unit is fixedly mounted in the clamp groove of the main hinge piece, the supporting unit can support the main hinge piece when the auxiliary hingepiece coincides with the main hinge piece by means of supporting force of the supporting unit, so that two-way force of the main hinge piece is reduced, structural strength of the main hinge piece isenhanced, and the service life of the main and auxiliary hinge pieces is prolonged.

The invention discloses a turnover device for iron label steel cooling equipment and a using method of the turnover device, and relates to the technical field of iron label steel turnover equipment.The turnover device comprises a base, two second supporting columns are fixedly connected to the top of the base, a reciprocating mechanism is installed at the tops of the two second supporting columns, and the reciprocating mechanism comprises a fixing frame and a connecting plate; the device has the beneficial effects that the reciprocating mechanism is arranged, iron standard steel can be conveniently overturned and conveyed in the needed direction by installing the first conveying box and the second conveying box, the overturning and resetting assembly is arranged, the vibration influence caused by resetting is reduced to the maximum extent, the buffering assembly is arranged, the buffering effect is improved, and the service life of the iron standard steel is prolonged. The device is simple in structure, the service life of the device is prolonged, the cost is reduced, the overturning plate, the wear-resistant layer, the elastic layer, the buffer layer, the bottom layer and the illuminating lamp are arranged, the stability, buffer, wear-resistant and protection effects are improved when iron standard steel is put into the top of the overturning plate, and the illuminating lamp is installed to be matched with normal operation at night.

The invention belongs to the field of die manufacturing, and particularly relates to a numerical control stamping die, which comprises a multi-stage hydraulic cylinder, an air storage bag, an upper die and a lower die, wherein the top of the air storage bag is embedded into the top of a numerical control punching machine; the multi-stage hydraulic cylinder is fixedly connected to the upper surface of the air storage bag and penetrates through the air storage bag; two round holes are arranged at the top of the air storage bag; an atomizing nozzle is arranged in each round hole; the atomizing nozzles are connected with a waterway of a numerical control press; the side wall of the air storage bag is made of flexible rubber; eight one-way air valves are arranged on the side wall of the air storage bag; an upper die base is fixedly connected to the bottom of the air storage bag; the upper die is fixedly connected with a piston rod of the multi-stage hydraulic cylinder; and an injection pipeline is arranged at the bottom of the air storage bag and penetrates through the bottom of the air storage bag and the upper die. Gas and liquid are mixed, and meanwhile, the flow speed of the mixture is increased through pressurization, so that the effect of improving the cooling effect is achieved.