166results about How to "Avoid shock damage" patented technology

A liquid crystal television bass boost system comprises a front frame, a rear cover, a screen and a vibration speaker, wherein the vibration speaker is fixed to the front frame through a speaker support, the vibration speaker and the speaker support are fixedly connected through a spring cushion, an elastic cushion is installed on an vibration head of the vibration speaker, a metal plate is arranged between the rear cover and the vibration speaker and is fixed to the rear cover, and the metal plate and the vibration head of the vibration speaker are connected tightly through the elastic cushion. By the aid of the system, a flat television has good bass effect under the condition that the thickness of a mainframe is not changed.

The invention discloses a self-falling vehicle window emergency escape device. A vehicle window falls freely into a lower interlayer within seconds without hurting passengers inside a vehicle or pedestrians and vehicles outside the vehicle. The lower part of the interlayer is provided with a damping device which prevents vehicle glass from being damaged or deformed while falling or hurting children or being wrongly opened by a person and the vehicle glass can be reused continually after being pulled up; even though spontaneous combustion, electric short circuit in the vehicle, malfunction of an automatic door opening mechanism and manual damage occur, passengers in the vehicle can open a window emergently to escape; even when an vehicle body turns on one side in a severe accident, passengers in the vehicle can escape by pushing the vehicle window into the interlayer; a bolt and a rotary handle are arranged on the upper frame of the vehicle window, an insertion hole is formed inside a corresponding frame of the vehicle body and the rotary handle can allow the bolt to enter and retreat from the insertion hole so as to open or close the vehicle window; or a bolt and a rotary handle are arranged on a vertical frame of the vehicle body, an insertion hole is formed on a vertical frame of a corresponding glass window and the rotary handle can allow the bolt to enter and retreat from the insertion hole so as to open or close the vehicle window; and when the vehicle window falls, a limit gap for preventing hands of passengers from being hurt is formed. The device can be applied to all automobiles, trains, subway trains and the like.

The invention discloses a special crane for steel coil transferring in the technical field of steel coil transferring. The special crane for steel coil transferring includes two groups of supporting columns, two longitudinal supporting frames, a horizontal moving frame, a moving plate, a lifting mechanism and a stabilizing mechanism; each longitudinal supporting frame is fixedly connected to the tops of the supporting columns in the same group; sliding rails on the tops of the two longitudinal supporting frames are jointly connected with the horizontal moving frame in a sliding manner; both ends of the horizontal moving frame are connected with a first conveying device that drives the horizontal moving frame to move back and forth; and the moving plate is slidably connected to the inner walls of the rails on the top of the horizontal moving frame. According to the invention, the stabilizing mechanism and the lifting mechanism are arranged, so that severe shaking is not happened betweenan L-shaped hook and the steel coil during the entire horizontal movement of the steel coil, which avoids the vibration damage between the L-shaped hook and the steel coil; and therefore, entire horizontal movement of the steel coil is more stable.

The invention discloses an energy-absorbing collision-resistant road guardrail for a smart city, and particularly relates to the field of smart cities, the energy-absorbing collision-resistant road guardrail comprises a mounting stand column and a wave-shaped protective guard, the surface of the mounting stand column is fixedly sleeved with a fixed sleeve seat, a supporting connecting seat is fixedly mounted on the inner side of the fixed sleeve seat, and a collision energy-absorbing mechanism is fixedly mounted on the top surface of the supporting connecting seat; deformation connecting lug bases are fixedly installed on the inner sides of the waveform protective fences, top connecting bases are fixedly installed on the inner sides of the deformation connecting lug bases, and the outer sides of the collision energy absorption mechanisms are fixedly sleeved with protective layers. By arranging the deceleration buffer mechanism, redirection of vehicle collision is achieved through rotation of the vehicle accidental collision energy absorption mechanism, kinetic energy of the vehicle is slowly reduced through rotation friction of the collision energy absorption mechanism of the vehicle and the guardrail, and high temperature and sparks are prevented from being generated during friction through the protective layer structure on the outer side; accidents of vehicle fire disasters and explosion are eradicated, and the safety performance of the protective fence is improved.

The invention discloses an LED drive power supply with an overheating protective function. The LED drive power supply comprises an LED drive power supply shell, wherein the top of the inner part of the LED drive power supply shell is fixedly connected with a heat dissipating box through a bolt; a gasbag is arranged inside the heat dissipating box; a gas tube is mounted on the outer wall of one side of the gasbag; one end, away from the gasbag, of the gas tube is equipped with a one-way valve; the bottom of the heat dissipating box is embedded with a heat absorbing plate; the position, close toone side of the gas bag, of the top of the inner part of the LED drive power supply shell is fixedly connected with a fan box; and a fan is fixedly connected on the inner wall of one side of the fanbox through a bolt. According to the LED drive power supply disclosed by the invention, the gasbag, the heat dissipating box, the heat absorbing plate, the gas tube and the one-way valve are arranged;in use, on one hand, the problems that electric energy is consumed as electric heat dissipation is adopted, mechanical faults are more and energy conservation and environment protection are not achieved are avoided through breathing type heat dissipation of the gasbag, on the other hand, the problem that the LED drive power supply is damaged as water leakage is easily caused by water-cooling heat-dissipating is avoided.

The invention relates to a door lock inserting prevention structure. A position limiting structure is respectively in contact with a higher-stage step surface and a lower-stage step surface in the process of performing to-and-fro movement along with an inserting prevention bolt in a lock-out direction or a retraction direction, i.e., the position limiting structure respectively acts on the higher-stage step surface and the lower-stage step surface, so that the end parts of an inserting prevention swinging rod are respectively positioned at two different heights, when the position limiting structure acts on the lower-stage step surface, and the front end of the inserting prevention swinging rod is butted against the back end of an inclined bolt, so that the inclined bolt cannot backwards retract, and an inserting prevention effect is achieved. Compared with the prior art in which the design mode that the swinging height of the inserting prevention swinging rod is limited through rotating a bent rod arranged on the inserting prevention bolt in a fixed interval in the process of retracting along with the inserting prevention bolt is adopted, the door lock inserting prevention structure adopts the design mode of acting the position limiting structure onto the higher-stage step surface and the lower-stage step surface of the inserting prevention swinging rod through displacement, and has the advantages that the structure is simple, the design is reasonable, and in addition, stability and reliability are realized.

The invention discloses an electric motor coach power battery fixing device, and mainly relates to the field of new energy vehicles. The electric motor coach power battery fixing device comprises a carrier. A battery holder is installed in the carrier. A power battery pack is fixedly installed in the battery holder. The carrier and the battery holder are each of a box-shaped structure with top openings. Damping springs are connected between the inner side wall of the carrier and the outer wall of the battery holder. Cushion plates are arranged at the bottom of the side face of the carrier andprovided with installing holes. The carrier is fixedly installed on a vehicle chassis through the cushion plates and the installing holes. The top of the carrier is provided with a protection cover. The protection cover protects the battery holder inside. The protection cover is fixed to the carrier through bolts. The electric motor coach power battery fixing device has the advantages of having agood damping function, being capable of greatly reducing the vibration on power batteries when a vehicle passes by a bumpy road section and protecting the power batteries.

The invention provides a self-resetting frame-shear wall structure for reinforcing an earthquake-damaged frame and a construction method and relates to a self-resetting frame-shear wall structure anda construction method. According to the self-resetting frame-shear wall structure for reinforcing the earthquake-damaged frame and the construction method, the problem that at current, after a shear wall is additionally arranged to reinforce an earthquake-damaged concrete frame, large interlayer lateral migration, permanent residual deformation caused by an earthquake and structure damage caused by the earthquake still possibly occur is solved. The self-resetting frame-shear wall structure comprises the earthquake-damaged frame, a column side rear-arranged shear wall or an inter-column rear-arranged shear wall and a fiber cement paste layer, an earthquake-damaged area of the earthquake-damaged concrete frame is restored, then a certain height is reserved for the fiber cement paste layer firstly when the rear-arranged shear wall is constructed, and then arrangement of wall body interior high-strength prestress bars and steel bars and pouring of wall body concrete are conducted. After the grade of the wall body concrete reaches the designed strength grade, tensioning and anchoring are conducted, and fiber cement paste is poured into the reserved height range of the wall bottom in a pressed mode. The self-resetting frame-shear wall structure and the construction method are used for reinforcing the earthquake-damaged frame.

The invention discloses a packaging protection mechanism for a vehicle-mounted ultrasonic nebulizer. The packaging protection mechanism comprises a protection mounting table; a bottom buffering mechanism is arranged in the center of the protection mounting table; first buffering clamping mechanisms are symmetrically arranged at the left end and the right end of the protection mounting table; four studs which are distributed in a rectangular mode are vertically arranged on the periphery of the edge of the protection mounting table; the front studs and the rear studs are connected through first connecting rods; the left studs and the right studs are connected through second connecting rods; first rotating clamping plates are arranged in the middles of the first connecting rods in a rotating mode; second rotating clamping plates are arranged in the middles of the second connecting rods in a rotating mode; and second buffering clamping mechanism are arranged at the tops of the second rotating clamping plates. According to the packaging protection mechanism, the structural design is scientific and reasonable, vibration damage of a traditional vehicle-mounted ultrasonic nebulizer in the transportation and use processes can be avoided, the vehicle-mounted ultrasonic nebulizer can be fetched rapidly and conveniently, the protection reliability is high, the packaging protection mechanism can adapt to nebulizers with various types and sizes, has the good practical effect and a wide application range and is worthy of popularization and application.

The invention discloses soil sampling equipment for drilling standard volume of undisturbed soil. The equipment includes a drill, a cutting ring, a positioning seat and a scale bar. The cutting ring is removably attached to the bottom of the positioning seat; the drill is removably connected at the bottom of the cutting ring; the positioning seat is connected to the bottom of the scale bar; the scale bar, positioning seat, cutting ring and drill are each provided with a cavity, and the cavities are communicating with each other; a bulldozing bar is within the scale bar; the bottom of the bulldozing bar is connected to a bulldozing bolt; the bulldozing bar can move up and down within the cavity; the bulldozing bar and scale bar can be by connected a fixing device; side a plurality of lower soil cut ports are arranged on the side of the drill; the height of the lower soil cut ports is less than or equal to the height of the lower edge of the cutting ring; the side of the positioning seat is provided with a plurality of upper soil cut ports; and the height of the upper soil cut ports is equal to or greater than the height of the upper edge of the cutting ring. The equipment can accurately position the depth from the center of the cutting ring to the ground; for soil sampling, a drilling mode is used to avoid shock damage to the undisturbed soil; the drilling hole has minimal impact on the field crops and the vegetation and soil structure, and is convenient for quick backfilling.

The invention discloses a new energy storage battery protection device which comprises a protection box, a cover plate is movably connected to the top of the protection box through a hinge, a lockingdevice is fixedly connected to the right side of the cover plate, and air inlet grooves are formed in the two sides of the top of the cover plate. According to the invention, the air inlet grooves, afirst dustproof net, a heat dissipation mechanism, a temperature sensor, a processor, a heat dissipation groove, a second dustproof net, an anti-shaking mechanism, a buffer plate, a buffer mechanism and a mounting plate cooperate with one another, and the advantages of buffer protection and heat dissipation protection of the storage battery are achieved; when the new energy storage battery is used, the new energy storage battery can be effectively buffered and protected, vibration damage to the new energy storage battery is prevented, and the service life of the new energy storage battery is prolonged; and meanwhile, heat dissipation protection can be effectively conducted on the new energy storage battery, high-temperature burnout of the new energy storage battery is prevented, and the service life of the new energy storage battery is prolonged.

The invention relates to the technical field of waterproofness detection equipment, in particular to a waterproofness detection device for engineering building materials and a detection method thereof. The technical scheme of the invention is realized as follows: the waterproofness detection device for the engineering building materials is characterized by comprising a workbench and a detection assembly which is fixedly arranged on the workbench and used for detecting the waterproofness of the building materials, wherein the detection assembly comprises a water flow simulation module, a clamping module, an extrusion module and a detection module. The detection method disclosed by the invention is scientific, and the detection equipment is high in detection accuracy, accurate in detection effect and easy to operate.

The invention discloses an outdoor emergency folding solar photovoltaic panel structure convenient to store, which comprises a first storage box and a second storage box, and is characterized in that a photovoltaic panel assembly is rotatably connected between the first storage box and the second storage box through a shaft rod; placing grooves are formed in the surface of the side, away from the second storage box, of the first storage box and the surface of the side, away from the first storage box, of the second storage box, supporting assemblies are slidably clamped in the placing grooves, buckles are fixedly arranged on the two side faces of the first storage box, and clamping assemblies are fixedly arranged on the two side faces of the second storage box. Through the arrangement of the first storage box and the second storage box and the cooperation of the shaft rod and the hinge assembly, the multiple mounting plates are mutually folded, and when the photovoltaic panel assembly is stored and unfolded, the distance between the first storage box and the second storage box is adjusted, so that the unfolding angle of the photovoltaic panel is adjusted, and energy conversion under different conditions is met; and the stability of the storage box can be enhanced when the storage box is unfolded through the arrangement of the supporting assembly.

The invention discloses a steel structure anti-seismic floor used for a building. The steel structure anti-seismic floor comprises an axillary plate (1) fixed to the side face of a steel column or a shear wall. A shock-absorbing seat (2) is installed on the axillary plate (1). A rubber seat (3) is installed on the shock-absorbing seat (2). The upper surface of the rubber seat (3) is of an inward-concave arc-shaped structure. A positioning seat (4) is arranged on the rubber seat (3). The positioning seat (4) is integrally installed at the bottom of a beam (5). The lower surface of the positioning seat (4) is of an outward-convex arc-shaped structure matched with the upper surface of the rubber seat (3). According to the steel structure anti-seismic floor used for the building, the structure is simple, the shock absorbing effect is ideal, and when the overall building vibrates, a large amount of vibration can be buffered through the rubber seat and the positioning seat; and especially a certain buffer space is reserved between a floor board and the steel column or the shear wall, and therefore the situation that the overall floor board is cracked and damaged due to vibration can be effectively prevented, and the overall structural strength is improved.

The invention discloses an intelligent air pollution monitoring device and system. The intelligent air pollution monitoring device comprises a monitoring part and a bottom adjusting part, wherein themonitoring part comprises a cylindrical shell, an upper cover, an upright rod, an indicator lamp, an installation plate, an elastic assembly, a controller, a PM2.5 sensor, a PM10 sensor, a carbon dioxide sensor, a carbonic oxide sensor, a formaldehyde sensor, a temperature sensor, a humidity sensor, a TVOC sensor and an oxygen sensor; the bottom adjusting part comprises a cylindrical hollow base,a bottom cover, a motor, three threaded rods, three outer sleeves, a connecting rod, a driving gear, three driven gears, three fixing lugs and three bolts. The intelligent air pollution monitoring device is reasonable in design, long in service life, convenient to use and assemble, comprehensive in detection function and high in detection sensitivity, the device is designed for a chemical plant, the current market vacancy is filled in, safe production of the chemical plant can be effectively ensured, and the device is suitable for being used in chemical plant workshops of different heights.

The invention discloses a garden mower for preventing a blade from curling. The garden mower comprises a bearing disc, a sliding groove is formed in the surface of the bearing disc, one end of the sliding groove is rotationally connected with a two-section rod, the other end of the sliding groove is in sliding connection with a pulley, the side face of the pulley is fixedly connected with a bufferspring, the upper portion of the pulley is rotationally connected with a bearing block, the other end of a spacing spring is fixedly connected with a cutter head, the side, close to the cutter back,of the cutter head is fixedly connected with an angle limiting rod, the surface of the cutter head is rotationally connected with a bearing rod, the end, away from the bearing block, of the cutter back is rotationally connected with a moving wheel, the surface of the moving wheel is rotationally connected with a hook rod, and a limiting spring is arranged in a limiting rod. According to the gardenmower for preventing the blade from curling, through cooperative use of the bearing rod and the spacing spring, when the blade is prevented from curling after the mower encounters a hard object, a motor does not need to be switched off.

The invention relates to drying equipment, in particular to powder metallurgy finished product drying equipment. The technical problem is to provide the powder metallurgy finished product drying equipment which is safe, effective, rapid and energy-saving, can preserve high temperature during drying to improve the drying efficiency and effect, can dissipate heat accumulated on a metallurgy finished product after drying, can reduce the temperature and can prevent people from being scalded. According to the technical scheme, the powder metallurgy finished product drying equipment comprises a shell, first fan blades and a heating pipe. The first fan blades are symmetrically and rotationally arranged on one side in the shell; and the heating pipe is arranged on one side in the shell. According to the powder metallurgy finished product drying equipment, a clamping assembly is extruded downwards, so that the clamping assembly and a covering assembly are unlocked, the covering assembly is opened, metallurgy finished products needing to be dried are placed on a placing plate, the covering assembly is closed, air is sucked in through the first fan blades, natural air is converted into hot air through the heating pipe, and the metallurgy finished products are dried; and the safe, effective, rapid and energy-saving effects are achieved.

The invention discloses an automatic screening device for aggregate of a cementing dam building material. The automatic screening device comprises a housing, a feeding hopper, a feeding groove and a supporting frame, wherein the feeding hopper is arranged on one side of the upper part of the housing; the feeding groove is formed in the housing; the supporting frame is arranged below the housing; acontrol device is further arranged on the housing; a plurality of screening plates are arranged in the housing; mounting bases are arranged on the portions, on one sides of the upper ends of the screening plates, of the housing; motors are arranged on the mounting bases; the output ends of the motors are in transmission connection with rotating discs; rotating shafts are arranged below the screening plates; the motors can drive the screening plates to move back and forth on the rotating shafts through transmission rods; a discharging opening is formed in the lower end of the housing; and second connecting plates are obliquely arranged on the two sides of the discharging opening. According to the automatic screening device, the aggregate can be automatically screened in a multi-stage manner at a time, the aggregate screening work efficiency is greatly improved, and the production cost is reduced; and damage of vibration to the device can be relieved, and the problems that aggregate screening is incomplete, vibration damage is caused, the service life is shortened, the work efficiency is low, and the production cost is high are effectively solved.

The invention relates to the field of agricultural machinery, in particular to a lycium chinense picking vehicle, which comprises a picking vehicle body, a branch supporting device, a picking device, a collecting plate, a conveying system, a winnowing machine and a loading box. The branch supporting device is arranged at the head part of the picking vehicle body and used for guiding branches at the head part of the picking vehicle body in the driving process of the picking vehicle body. The picking device can continuously harvest fruit-bearing branches on one side of a row of plants at a time by arranging a vibration comb brush capable of continuously performing harvesting operation, and a vibration generator serves as a vibration source to provide excitation force, so that high-frequency vibration in the axial direction and the horizontal direction is generated. According to the lycium chinense picking vehicle, the full picking rate can be improved by reasonably controlling and adjusting the amplitude and frequency of the vibration comb brush device, the vibrating frequency is accurately controlled to adapt to picking of lycium chinense of different varieties or different maturity degrees, the damage rate and the impurity rate are reduced, the picking device can rotate after touching branches, and therefore, resistance generated by the branches is resolved, and continuous harvesting is achieved.