41results about How to "Play the role of buffer energy absorption" patented technology

The invention relates to a vibration and noise reduction device of a transformer. The vibration and noise reduction device comprises polyurethane buffers (1), intermediate partition plates (2), vibration reduction rubber pads (3) and C-shaped steel-channel frames (4) which are sequentially connected from bottom to top, wherein the polyurethane buffers (1) are fixedly connected with the ground, one side of an opening of each C-shaped steel-channel frame faces the vibration reduction rubber pads (3), the vibration reduction rubber pads (3) are embedded into the C-shaped steel-channel frames (4), and a transformer base is fixedly arranged on the other sides of the C-shaped steel-channel frames (4). Compared with the prior art, the vibration and noise reduction device has the advantages that dual vibration isolation modes are adopted, the mechanical vibration of the transformer is reduced, the influence of the vibration and the noise of the transformer on a surrounding environment is reduced, and meanwhile, the service lifetime of the transformer is also prolonged.

The invention relates to a fire-fighting pipe fitting and a mounting method thereof and belongs to the technical field of fire-fighting. The fire-fighting pipe fitting comprises pipe bodies, a connecting pipe and a fixed pipe; the two ends of the connecting pipe are arranged on the two pipe bodies correspondingly; a fixed ring is fixedly arranged on the inner wall of the connecting pipe; an elastic sealing ring abutting against the end faces of the pipe bodies is arranged on the side wall, near the pipe bodies, of the fixed ring; the fixed pipe comprises two semicircular half pipes and a connecting assembly for fixing the two half pipes; the fixed pipe is arranged outside the connecting pipe in a sleeving way; and an elastic piece for hindering axial sliding of the connecting pipe is arranged on the fixed pipe. When the pipe bodies are subjected to axial impact, the pipe bodies enable an impact for to act on the elastic sealing ring, the elastic sealing ring absorbs one part of impactforce and the remaining impact force drives the connecting pipe to slide axially, so that the elastic piece is compressed, buffering and energy-absorbing effects are achieved, water leakage at the connection position of the pipe bodies is avoided and maintenance cost is reduced.

The invention relates to the field of bridge engineering, in particular to an energy-consuming bridge shockproof block structure and a shockproof method. The energy-consuming bridge shockproof block structure comprises a cover beam and a main beam arranged on the cover beam, a bridge shockproof block is arranged on the outer edge of the cover beam, the inner edge of the bridge shockproof block abuts against the outer edge of the main beam, the bridge shockproof block comprises a concrete block and an elastic block arranged on the inner edge of the concrete block, and the inner edge of the elastic block abuts against the outer edge of the main beam. When the main beam dashes against the bridge shockproof block after being shocked, the elastic block of the bridge shockproof block deforms to absorb energy to resist the shock, and the concrete block of the bridge shockproof block fixedly arranged on the outer edge of the cover beam conducts limiting on the elastic block.

The invention relates to a heat-insulation broken bridge outward casement window. The heat-insulation broken bridge outward casement window comprises a mounting frame and a window body, wherein the window body comprises a window frame and a glass plate which is arranged in the window frame, the window frame is hinged to the mounting frame, the mounting frame comprises a bottom frame, a sliding seat is arranged on the bottom frame in a sliding mode in the length direction, a sliding block is arranged on the sliding seat in the sliding mode, a connecting rod is hinged to the sliding block, one end, which is away from the sliding block, of the connecting rod is hinged to the window frame, a buffer assembly which is used for preventing the sliding block from sliding is arranged on the slidingseat, and a limiting assembly which is used for limiting the position of the sliding seat is arranged on the sliding seat. When the window body is opened, the position of the sliding seat is limited by the limiting assembly; and when the window body is subjected to external force such as wind blowing, the window body shakes, the connecting rod is driven to move by the window body, the sliding block is driven to slide by the connecting rod, and the sliding block is prevented from moving by the buffer assembly at the moment, so that the buffer and energy absorbing effects are achieved, and the damage to the window body due to vibration is reduced.

A skid-mounted type heat exchanger circulating device comprises a skid mounted base and a circulating device body. The two sides of the top face of the base are fixedly provided with vertical square blocks. The two sides of the bottom face of the circulating device body are fixedly provided with square caps with open bottom faces. The square caps are in one-to-one correspondence to the square blocks in position. The square blocks can be inserted into the corresponding square caps. The outer periphery of each square block can be in contact and matched with the inner periphery of the corresponding square cap. The upper ends of the square blocks are both fixedly provided with first springs. The upper ends of the first springs are both fixedly provided with square plates. The top faces of thesquare plates can be in contact and matched with the top face inner walls of the corresponding square caps. The skid-mounted type heat exchanger circulating device is easy and rapid to mount and demount, work personnel do not need to sequentially install or detach bolts, the construction time of the work personnel is greatly saved, and therefore the mounting and demounting efficiency of the skid-mounted type heat exchanger circulating device can be greatly improved; and the skid-mounted type heat exchanger circulating device is more convenient to use and suitable for application and popularization.

The invention relates to a novel wall-type guardrail structure for highways and a construction method thereof, belonging to the technical field of highway protection, comprising a foundation arranged along the length direction of the road and a plurality of retaining wall units arranged on the foundation, the retaining wall unit includes a fixed plate, an elastic Components and movable panels, the fixed panel is fixed on the foundation, the movable panel is movable on the foundation, the elastic component is installed between the movable panel and the fixed panel, and a column is fixedly installed between the adjacent two retaining wall units, and the column and the movable rod Elastic parts are connected between the boards. When the vehicle runs out of control and hits the retaining wall unit, the vehicle hits the movable plate, and the movable plate is impacted and moves close to the fixed plate. The elastic component plays the role of buffering and absorbing energy, and the elastic part on the column acts as a further buffer limit The effect of improving the overall impact resistance, reducing the injury of vehicles and personnel, and improving safety performance.

The invention discloses a splicing type vibration-damping lead wooden frame used in an oil-immersed transformer, which comprises cross beams fixed on an upper transformer clamping plate and a lower transformer clamping plate and a longitudinal beam used for fixing the lead, wherein the two ends of the longitudinal beam are respectively connected with the two cross beams through tenon and an mortise structures. A certain gap is arranged between the tenon and the mortise in the mortise and mortise structure, and the gap is filled with an elastic sealing glue after curing. Through the non-rigid connection of the tenon and mortise structure, the vibration of the transformer can be buffered, and the effect of damping and noise reduction is realized on the basis of meeting the lead supporting function.

The invention discloses an elevator steel wire rope testing device. The device comprises a test board, a first clamping assembly, a second clamping assembly, a linear driving assembly and a protection assembly, and the first clamping assembly is connected to the test board and is used for fixing one end of a to-be-tested steel wire rope; the second clamping assembly is used for fixing the other end of the steel wire rope; the linear driving assembly is fixed on the test board, and an output shaft is connected to the second clamping assembly for stretching the steel wire rope; and the protection assembly comprises a telescopic pipe and a flexible sleeve, the steel wire rope is sleeved with the telescopic pipe, one end of the telescopic pipe is detachably connected to the first clamping assembly, the other end of the telescopic pipe is detachably connected to the second clamping assembly, and the steel wire rope is slidably sleeved with the flexible sleeve which is slidably arranged in the telescopic pipe. According to the invention, the broken steel wire rope can be effectively prevented from damaging personnel or equipment.

The invention relates to the technical field of coating equipment, in particular to automobile coating equipment in the field of intelligent manufacturing, the automobile coating equipment comprises a conveying mechanism and a coating assembly, and the conveying mechanism is further provided with a first brush head assembly, a lifting assembly, a cleaning assembly and a drying assembly. The cleaning assembly cleans the workpiece polished by the friction mechanism, so that dust and impurities cannot remain on the surface of the workpiece, the subsequent coating effect is improved, then a coating agent is sprayed to the workpiece through the coating assembly, and the lifting assembly drives the first brush head assembly to be matched with the size of the workpiece; the first brush head assembly is driven to uniformly smear the surface of the workpiece, so that a coating agent is uniformly attached to the workpiece, marks left on the surface of vehicle paint due to non-uniform smearing are reduced, and the coating effect is further improved; and the workpieces are dried through the drying assembly, so that the whole coating process is completed.

The invention relates to the technical field of solid-liquid separation, in particular to a solid-liquid switching valve. The valve comprises a valve body and a valve element. A feeding port and a solid discharging port are vertically formed in the valve body in a penetrating mode, a corresponding solid channel is vertically formed in the valve element in a penetrating mode, and therefore solid materials can sequentially pass through the feeding port, the solid channel and the solid discharging port to communicate with external material receiving equipment. A liquid channel capable of communicating with the feeding port is further arranged on the outer wall of the valve element, a liquid discharging end is formed at the other end, opposite to the driving end, of the valve element, the liquid discharging end and an inner cavity of the valve body define a liquid accumulation cavity used for temporarily storing liquid materials, the liquid channel communicates with the liquid accumulation cavity, and a liquid discharging port communicating with the liquid accumulation cavity is formed in the valve body. Cavity extending paths of the liquid channel and the solid channel are spatially avoided from each other. According to the solid-liquid switching valve, the switching discharge effect of filter cake serving as a solid phase and cleaning liquid serving as a liquid phase can be smoothly achieved, and finally, the reliability, continuity and stability of the whole operation process are greatly improved.

The invention provides a multifunctional anti-fall mechanism for old people and a use method thereof. The anti-fall mechanism comprises an anti-fall protection garment, a control belt, a roof rail mechanism and an intelligent safety control system; the anti-fall protection garment comprises a next-to-skin layer, a gas bag layer and an outer garment layer, and the anti-fall mechanism is also provided with a pair of trousers; the next-to-skin layer, the gas bag layer and the outer garment layer are connected through zippers; the gas bag layer is provided with a gas pipe; the control belt is internally provided with a solid gas generation device, a return gas bag and a micro gas pump; the solid gas generation device is connected with the gas bag layer through the gas pipe; the roof rail mechanism is arranged on the ceiling of a house and leads to each room and a bathroom; the roof rail mechanism is sleeved with an anti-fall trolley; the anti-fall trolley is connected with an anti-fall sling; the anti-fall sling is connected with the control belt; the intelligent safety control system mainly comprises an acceleration sensor, an artificial intelligence module, a GPS positioning module and a health monitoring module. The anti-fall mechanism is complete in function, practical and very suitable for protecting old people.

The invention relates to a vibration and noise reduction device of a transformer. The vibration and noise reduction device comprises polyurethane buffers (1), intermediate partition plates (2), vibration reduction rubber pads (3) and C-shaped steel-channel frames (4) which are sequentially connected from bottom to top, wherein the polyurethane buffers (1) are fixedly connected with the ground, one side of an opening of each C-shaped steel-channel frame faces the vibration reduction rubber pads (3), the vibration reduction rubber pads (3) are embedded into the C-shaped steel-channel frames (4), and a transformer base is fixedly arranged on the other sides of the C-shaped steel-channel frames (4). Compared with the prior art, the vibration and noise reduction device has the advantages that dual vibration isolation modes are adopted, the mechanical vibration of the transformer is reduced, the influence of the vibration and the noise of the transformer on a surrounding environment is reduced, and meanwhile, the service lifetime of the transformer is also prolonged.

The invention discloses a sliding groove mechanism of a rotary drilling rig follow-up frame. The follow-up frame comprises sliding grooves, wear-resistant contact plates, a fixed column, a buffer sleeve, a buffer spring, and a roller; the sliding grooves with longitudinal distribution and U shape are arranged on each of two relatively distributed connecting arms of the follow-up frame; wear-resistant contact plates are arranged on three inner walls of the sliding grooves; the rear end of the fixed column is fixed on the follow-up frame, and the fixed column is located between the two connecting arms; an inner hole which can be arranged in the front end of the fixed column in a sleeved mode in a back and forth sliding mode is formed in the rear end of the buffer sleeve; the buffer spring is arranged inside the inner hole of the buffer sleeve, and the buffer spring is clamped between the bottom wall of the inner hole of the buffer sleeve and the front end of the fixed column; the roller is arranged on the front end of the buffer sleeve, and the roller is used for relying on a guide rail of a mast. The roller relies on the guide rail, the buffer spring is used for buffering and absorbing the vibration generated during the working process, the impact on the wear-resistant contact plate is reduced, and the service life of the follow-up frame is improved.

The present disclosure relates to a crash energy absorbing mechanism and a vehicle, comprising a fixed bracket and an energy absorbing device installed on the fixed bracket, the fixing bracket is made of metal material, the energy absorbing device includes an energy absorbing plunger and a housing, The housing includes an inner wall and an outer wall oppositely arranged, and a side wall connected between the inner wall and the outer wall, the side wall, the inner wall, and the outer wall together form a closed hydraulic chamber, and the energy-absorbing One end of the plunger is telescopically connected to the inside of the hydraulic chamber and divides the hydraulic chamber into two chambers, and the other end protrudes outside the hydraulic chamber, and the energy-absorbing plunger is provided with A buffer structure that enables oil in the hydraulic chamber to communicate between the two chambers. When the oil circulates between the two chambers, it converts the kinetic energy into heat energy and consumes the energy of the collision, so that it can play the role of cushioning and absorbing energy and reduce the risk of injury to the life safety of the occupants.

The invention provides a gas explosion-proof partition plate for downhole. The gas explosion-proof partition plate comprises an explosion-proof partition plate body and a plurality of sets of unit bodies; each set of unit body comprises a base and a basic micro element structure matched with the base; the basic micro element structures are mounted into U-shaped bases to constitute U-shaped unit bodies, and the basic micro element structures are mounted into corresponding U-shaped structures of H-shaped structures to constitute H-shaped unit bodies; and in the length direction, the H-shaped unit bodies and the U-shaped unit bodies are alternately distributed, the U-shaped unit bodies are located in the middle, and the upper U-shaped unit bodies and the lower U-shaped unit bodies are symmetrically distributed at intervals, the two sides of the U-shaped unit bodies abut against the H-shaped unit bodies through first buffering rods, and the basic micro element structures in the U-shaped unit bodies make contact with the upper inner wall and the lower inner wall of a corresponding explosion-proof cavity. According to the gas explosion-proof partition plate for the downhole, explosion detonation wave is buffered and absorbed, firstly, the explosion detonation wave is blocked and buffered through a protecting plate, then energy is transmitted to foamed concrete, second rubber rods andceramic base structures in the explosion-proof partition plate body and consumed, and the buffering energy-absorbing effect is achieved.

The invention belongs to the technical field of mining equipment, and particularly relates to a mud-sealed rock mass supporting method suitable for argillization rock. A hand-held guniting mechanism is provided and comprises a bottom plate; supporting wheels are installed at the bottom of the bottom plate; a rear fixing base is installed on the top face of the bottom plate and rotationally connected with the bottom end of an electric push rod through a lower connecting base; the top end of the rear fixing base is rotationally connected with the side face of a sliding sleeve; the top end of the electric push rod is rotationally connected with an arc-shaped bottom plate; an inner sliding rod is installed on the inner side of an outer fixing sleeve connected with the arc-shaped bottom plate in a sliding mode; the inner sliding rod is fixedly connected with a lower fixing plate through a connecting block; a damping spring is fixedly arranged between the inner sliding rod and the outer fixing sleeve; the lower fixing plate and an upper fixing plate are fixedly arranged on the outer side of a quick-connection type slurry spray head in a sleeving mode; the rear side of the top face of the bottom plate is connected with an anti-skid grab handle and a U-shaped frame through a lower connecting frame, a transverse pipe and an upper connecting frame; the outer side of the U-shaped frame is sleeved with a buffer sleeve; the U-shaped frame and the buffer sleeve can achieve the auxiliary supporting effect; and the damping spring and a shock pad can achieve buffering and energy absorption, and and the workload of personnel is relieved.

The invention provides an automobile main carpet with a driver protection function. The automobile main carpet comprises a pedal support, a clamping support, a front cushion block, an upper carpet part, a bottom carpet part and a rear cushion block. The pedal support with the front end supporting the feet on one side of a driver can drive the feet of the driver to move backwards by sliding backwards in the direct collision process of an automobile, and the effect of buffering the feet and shanks of the driver is achieved. The front cushion block boss for supporting the feet on the other side of the driver plays a role in guiding and limiting the positions of the feet of the driver, and the feet of the driver are prevented from being hurt; the front cushion block achieves the buffering and energy absorbing effects by absorbing energy transmitted by the pedal support. The soft bottom carpet piece and the rear cushion block can absorb energy again when an automobile is collided directly while absorbing shock, absorbing sound and reducing noise, and the double-insurance effect is achieved. The automobile main carpet has acoustic and aesthetic functions, and can buffer and absorb energy in the direct impact of an automobile to protect a driver.

The invention discloses a miniature unmanned aerial vehicle recovery net, which comprises a recovery net body, slide grooves, slide blocks and an inflatable cushion, wherein each upright post is in two-section design, and comprises an upper section of upright post and a lower section of upright post; a spring is connected between the upper section of upright post and the lower section of upright post of each upright post; the recovery net body is arranged between two upper sections of upright posts; one slide groove is formed inside each upper section of upright post; one slide block is arranged in each slide groove; the top of each slide block is provided with a hook; the top end of the recovery net body is fixedly arranged at the tops of the upper sections of upright post; the bottom end of the recovery net body is arranged on the hooks in a hanging way. The miniature unmanned aerial vehicle recovery net has the advantages that one spring is arranged on each upright post; the impact speed can be retarded by using the elastic potential energy of the springs; a buffer effect is achieved. The bottom end of the recovery net body is glidingly fixed on the upper sections of upright post; when an unmanned aerial vehicle impacts the recovery net body, the recovery net body can be upwards pulled and wrap the unmanned aerial vehicle; meanwhile, certain buffer and energy absorption effects are also achieved.

The invention provides a pear picker, which relates to the technical field of fruit picking and comprises a bearing cylinder for temporarily bearing fruits, a shearing mechanism arranged at the top end of the bearing cylinder and used for shearing branches of the fruits, and a flexible sliding cylinder connected to the other end of the bearing cylinder and used for limiting the sliding track of the fruits. A receiving frame for receiving fruits is arranged at the other end of the sliding cylinder, and an elastic shock pad is arranged on the inner wall of the receiving frame; a buffering mechanism is fixed to the side, close to the sliding cylinder, of the receiving frame and used for reducing impact force generated when the fruits fall to the bottom of the device, and the sliding cylinder is connected to the buffering mechanism. The device has the advantage that the possibility that fruits fall off from a high position and are broken in the picking process is reduced.

The invention discloses an anti-seismic fabricated house and relates to the technical field of fabricated houses. The prefabricated house comprises stand columns, a base, prefabricated wallboards anda roof cover. Buffering mechanisms with buffering and damping effects is installed between the stand columns and the base. Each buffering mechanism comprises a supporting base, a hemisphere fixedly arranged on the supporting base, a connecting board integrally arranged on the corresponding stand column and a damping device arranged between the supporting base and the base, an installing groove isformed in the base, the supporting base and the connecting board are arranged in the installing groove, a plurality of damping springs are arranged between the connecting board and the groove wall ofthe installing groove, a spherical groove is formed in the connecting board, the hemisphere is rotationally arranged in the spherical groove, a plurality of balls are arranged between the groove bottom of the installing groove and the supporting base in a rolling mode, and a plurality of supporting springs are arranged between groove openings in the two sides of the base and the corresponding stand column. The fabricated house has the advantage of stable damping in multiple directions, and the safety and stability of the fabricated house are improved.

The invention discloses a splicing type vibration-damping lead wooden frame used in an oil-immersed transformer, which comprises cross beams fixed on an upper transformer clamping plate and a lower transformer clamping plate and a longitudinal beam used for fixing the lead, wherein the two ends of the longitudinal beam are respectively connected with the two cross beams through tenon and an mortise structures. A certain gap is arranged between the tenon and the mortise in the mortise and mortise structure, and the gap is filled with an elastic sealing glue after curing. Through the non-rigid connection of the tenon and mortise structure, the vibration of the transformer can be buffered, and the effect of damping and noise reduction is realized on the basis of meeting the lead supporting function.

The invention relates to a fire-fighting pipe fitting and its installation method, which belongs to the technical field of fire-fighting, and includes a pipe body, a connecting pipe and a fixing pipe. A fixing ring is provided, and the side wall of the fixing ring near the pipe body is provided with an elastic sealing ring that interferes with the end surface of the pipe body; the fixing pipe includes two semi-circular half pipes and a connecting assembly for fixing the two half pipes , the fixing tube is sheathed outside the connecting tube, and the fixing tube is provided with an elastic member for hindering the axial sliding of the connecting tube. When the pipe body is subjected to axial impact, the pipe body will act on the elastic sealing ring with the impact force, the elastic sealing ring absorbs part of the impact force, and then the remaining impact force drives the connecting pipe to slide axially, so that the elastic part is compressed and acts as a buffer The function of energy absorption prevents water leakage at the joint of the pipe body and reduces maintenance costs.

The invention relates to the technical field of rearview mirrors, in particular to a multi-angle rearview mirror for a passenger car, which overcomes the defect that the angle and the height are inconvenient to adjust as required in the prior art, and comprises a connecting arm, a vertical rod, a first rearview mirror and a second rearview mirror, and the first rearview mirror and the second rearview mirror are arranged on one side of the vertical rod. The connecting rod is horizontally arranged. The vertical rod is fixed to the bottom of one end of the connecting arm, the rotating mechanism is arranged at the end, away from the vertical rod, of the connecting arm, the first rearview mirror and the second rearview mirror are movably arranged at the upper end and the lower end of one side of the vertical rod through the height adjusting mechanism respectively, the height of the rearview mirrors can be adjusted according to needs, and applicability is high. The rear end of the first rearview mirror and the rear end of the second rearview mirror are each provided with an angle adjusting structure, the first rearview mirror and the second rearview mirror are designed in a split mode, the angle of the first rearview mirror and the angle of the second rearview mirror can be adjusted conveniently according to needs, view blind areas are reduced, safety during vehicle driving is improved, and meanwhile dismounting and mounting are convenient, and stability is high.

The invention discloses an automobile front protection system and an automobile. The automobile front protection system includes a front protection skin, a first energy-absorbing bracket and a force ejection device; the force ejection device is located at the bottom of the lower beam of the water tank bracket, and the first One side of an energy-absorbing bracket is installed on the lower side of the front protection skin, and the other side is connected with the force ejection device; the force ejection device includes a ratchet, a first pawl, a second pawl, a control switch and a spring; An energy-absorbing bracket can push the control switch to close, so that the ratchet drives the first pawl and the second pawl to rotate, the first pawl slides out from the control switch, and the second pawl slides out from the spring in the compressed state, so that the spring Drive the first energy-absorbing bracket and the lower side of the front bumper to pop out. The first energy-absorbing bracket of the present invention can absorb the impact energy, and at the same time, the force-bearing ejection device ejects the first energy-absorbing bracket and the front protection skin to support the impacted pedestrian's calf and effectively protect the pedestrian's lower limbs. Protective effects.

The invention discloses an axis torque sensor. The sensor comprises a sensor main body and a protective shell, a first joint is fixedly mounted at one end of the sensor main body, a second joint is fixedly mounted at the other end of the sensor main body, a telescopic groove is formed in the outer surface of the second joint, a top plate is movably connected to the interior of the telescopic groove, a limiting plate is fixedly mounted at the position, located in the telescopic groove, of one end of the top plate, the inner wall of the telescopic groove is fixedly connected with a spring, the outer surface of one side of the sensor main body is fixedly connected with a connecting wire, one end of the connecting wire is fixedly connected with a sensing connector, the protective shell is fixedly installed on the outer surface of the sensor main body, and one end of the spring is fixedly connected with the limiting plate. The safety of the sensor can be improved, the service life of the sensor is prolonged, the sensor can be conveniently installed and used, the using effect of the sensor is improved, and practicability is achieved.

The invention provides an improved split mounting type steel structure shed tunnel. The shed tunnel is provided with vertical supporting columns arranged on the two longitudinal sides of the tunnel and a shed tunnel top. A beam on the top of the shed tunnel is provided with a long-strip-shaped energy absorption unit located on the same axis as the longitudinal beam, and the energy absorption unit comprises an elastic connecting rod, a switching rod and a buffering piece which are sequentially arranged on the same axis in the direction from the starting end to the reverse end. According to the energy absorption structure provided by the invention, the steel structure shed tunnel effectively buffers the impact load effect of the wire, the tension between the adjacent stand columns is reduced, and the damage to the steel structure shed tunnel is greatly reduced.