42results about How to "Effective shock protection" patented technology

The invention discloses a cushioning explosion-proof battery pack bottom support device for a new energy automobile. The bottom support comprises a bottom support shell, a threaded rod, an air storagebag, a first cushioning air bag and a top cover; a supporting plate is welded to the outer side of the bottom support shell; a threaded rod is connected with the inner side of a sliding groove through a bearing; a bracket is arranged on the inner side of the bottom support shell; an accommodating groove is formed in the bracket; a movable plate is connected with the upper portion of an extrusionpush plate; the first cushioning air bag is embedded in the inner wall of the bottom support shell; heat dissipation holes are formed in the surface of the bottom support shell; a hidden groove is formed in the surface of a connecting shaft; a movable piece is arranged on the outer side of the movable cylinder; and the top cover is fixed to the upper portion of the bottom support shell through bolts. The cushioning explosion-proof battery pack bottom support device for the new energy automobile can perform effective cushioning protection on the battery pack, and can automatically and quickly extinguish fire when the battery is accidentally combusted, so that continuous combustion and explosion of the battery pack are avoided, and the loss is effectively reduced.

The invention belongs to the technical field of wood furniture production, in particular to a board chamfering device for wood furniture production. Aiming at the problem that because existing chamfering machines can only chamfer the edge of one side of a board, the processing efficiency is low when chamfering treatment is required on both sides resulting in the influence on the processing efficiency of wood furniture, the invention provides a solution. The board chamfering device for wood furniture production comprises a base, wherein a plurality of electric pushing rods are fixedly mounted at the middle of the top of the base; the two sides of the top of the base are both fixedly equipped with supporting plates; and bedplates are fixedly mounted between the tops of the supporting platesand the electric pushing rods. In the board chamfering device for wood furniture production, housings on two sides are driven by electric sliding tables to approach the edges of the board, so that thetwo sides of the board can be chamfered simultaneously by virtue of rotating chamfering grinding wheels, and the chamfering processing efficiency is improved. Meanwhile, sawdust generated by chamfering enters the insides of isolation covers and is extracted by a dust removal mechanism so as to protect the cleanness of the device, facilitate the collection and cleaning of the sawdust, and provideconvenience for the operation of workers.

The invention discloses a computer visual image projection device. The computer visual image projection device comprises a fixed cavity, wherein the fixed cavity is of a cuboid structure; screw rods are connected to the two sides of the interior of the fixed cavity in a threaded manner; one ends of the two screw rods penetrate through the two sides of the interior of the fixed cavity and are fixedly connected with bearings respectively; a rotating disc is driven by a first servo motor according to the design, and the lower end of the rotating disc is fixedly connected to the inner part of thefixed cavity through a rotating rod, so that the irradiation angle of the projector in the fixed cavity is effectively adjusted by three hundred sixty degrees by rotating the first servo motor, the projection angle of the image of the projector is changed conveniently, and the projector is more practical; a first spring is fixedly connected with a clamping rod through a connecting rod, and the clamping rod is elastic, so that the projector can be effectively protected and damped, and higher safety is achieved; and a first heat dissipation fan and a second heat dissipation fan are designed, sothat auxiliary heat dissipation on the projector can be carried out more conveniently, and the service life of the projector is effectively prolonged.

The invention provides a three-dimensional face-centered cubic seismic metamaterial with a low-frequency seismic reduction characteristic. The three-dimensional face-centered cubic seismic metamaterial comprises a cubic shell with three through holes, wherein central cylinders penetrate through the through holes of the cubic shell to be coaxial and point to the shell center of the cubic shell; andthe base surfaces of the central cylinders are parallel to the outer surface of the cubic shell, the side faces of the central cylinders are connected with the inner wall of the cubic shell through fan-shaped block structures, and the cubic shell, the fan-shaped block structures and the central cylinders are made of three different materials. According to the three-dimensional face-centered cubicseismic metamaterial with the low-frequency seismic reduction characteristic, under the condition that the sizes are the same, the mass is lighter, and the low-frequency band gap characteristic can be generated, so that the controllable band gap range is achieved for seismic waves; a band gap of the three-dimensional face-centered cubic seismic metamaterial can be adjusted by adjusting the numberof the fan-shaped blocks, the height of the central cylinders, the fan-shaped angles of the fan-shaped blocks and the wall thickness of the cubic shell, and compared with a bragg scattering type seismic metamaterial, the metamaterial has the advantages of being easy to arrange and saving materials; and the three-dimensional face-centered cubic seismic metamaterial with the low-frequency seismic reduction characteristic can be used for building foundation filling, and effective seismic reduction protection is carried out on important building infrastructures.

The invention discloses an air oxygen content measuring and calculating device for an underground coal mine. The air oxygen content measuring and calculating device for the underground coal mine comprises a base, a handle and fixing blocks, the handle is fixedly connected to the lower end of the base, containing grooves are formed in the inner surfaces of the two sides of the base, first springs are fixedly connected to the inner surfaces of the containing grooves, connecting blocks are arranged on the outer sides of the first springs, protective blocks are fixedly connected to the outer sidesof the connecting blocks, the fixing blocks are arranged on the outer surfaces of the connecting blocks, first sliding grooves are formed in the inner surfaces of the protective blocks, second springs are arranged on the inner surfaces of the protective blocks, the second springs are connected with the outer surfaces of the fixing blocks, and the rear end of the outer surface of the base is fixedly connected with a limiting block. The air oxygen content measuring and calculating device for the underground coal mine is provided with the protective blocks made of rubber so that the outer surface of the base can be effectively buffered and protected; and with the arrangement of a rotating block, the condition that dust in the air is sucked to cause measurement errors is effectively avoided.

The invention belongs to the technical field of music equipment, in particular to a portable music player for fitness. The device comprises a bearing base, a connecting base is fixedly installed at the top of the bearing base, a containing groove is formed in the top of the connecting base, grooves are formed in the inner walls of the two sides of the containing groove, two fixing columns are fixedly installed on the inner walls of the tops and the bottoms of the two grooves, and the same connecting plate is installed on the four fixing columns in a sliding mode. The device is high in practicability, the device can be moved at will by pushing the push rod; the carrying burden of people is reduced; the contact area between the device and the ground is greatly increased through the multipleconical columns, the stability is improved, the device is not easily interfered by external factors, the loudspeaker box body can be effectively protected through the damping springs and the buffer pads in the carrying process, the service life of the loudspeaker box body is prolonged, and the using effect is remarkably improved.

The invention discloses a multipurpose circuit power saver. The multipurpose circuit power saver comprises a power saver body, a protecting sleeve, a fixing plate, a hanging plate, a hanging hole, screws, adsorbing mechanisms, connecting bolts, magnets, metal plates and suction cups; the outer wall of the power saver body is sleeved with the protecting sleeve; the fixing plate is arranged on one side of the power saver body; the screws are in threaded connection with four corners of the fixing plate; the connecting bolts are in threaded connection with the middle top and the middle bottom of the fixing plate; the fixing plate and the protecting sleeve are connected fixedly through the connecting bolts; the adsorbing mechanisms are arranged on the four corners of the fixing plate; the magnets are arranged at the tops of the adsorbing mechanisms; the metal plates are arranged at the bottoms of the magnets; and the suction cups are fixedly connected to the bottoms of the metal plates. Thelighting circuit power saver can be mounted on a wall through the screws and can also be adsorbed on glass or a metal casing, so that mounting and use of the power saver are greatly facilitated.

The invention relates to the technical field of digital color printers, and discloses a digital color printer with a drying function. The digital color printer comprises a box body; the inner sidewallof the box body is fixedly connected with a support frame; and one side of the front surface of the support frame is fixedly connected with a first motor. According to the digital color printer withthe drying function, by arranging structures including the box body, the support frame, the first motor, a second motor, a support shell, a rolling shaft, a conveying belt and the like, a to-be-printed object is put on the surface of the conveying belt and is printed by a color printer body; the printed object is moved out of the box body through the conveying belt; an air blower is started to pump air into the box body; a heater is used for effectively heating the air; the heated air flow is guided through a flow guide fan so that the air is uniformly dispersed on the surface of the printed object, thus ink on the surface of the printed object can be effectively dried; meanwhile the occurrence of a poor drying effect caused by uneven heating is also reduced; and the practicability of thedigital color printer is improved.

The invention discloses a multipurpose convenient digital heat dissipation support. The support comprises a support body, a clamping cavity with the front end and the upper end communicating with theexternal space is formed in the upper end in the support body. A cooling cavity with a downward opening is formed in the lower end in the support body; an anti-falling clamping mechanism for carryingout anti-falling shock absorption on a digital product clamped in the support is arranged in the clamping cavity. A digital support can be suitable for digital products of different sizes. The function requirement of a user for transversely watching a video can be met. When a mobile phone or the tablet personal computer is clamped and fixed, a certain motion space is still reserved for the mobilephone or the tablet personal computer. When the support falls off, the mobile phone or the tablet personal computer can be effectively damped and protected. A charging head and a charging port can beaccurately positioned when a mobile phone or a tablet personal computer with different sizes is faced, so that the mobile phone or the tablet personal computer can be conveniently charged, the supportcan also intelligently sense the temperature change of a product, and when temperature is too high, the mobile phone or the tablet personal computer can be efficiently cooled in a cooling circulationmode.

The invention belongs to the field of food detectors, particularly relates to a food detector for trace element and heavy metal analysis, and aims to solve the problems that an existing food detectorvibrates during use, the service life of the food detector is shortened, dust removal treatment is inconvenient during use of the food detector, and food cannot be stirred conveniently. According to the scheme, the food detector comprises a flat base, supporting plates are fixedly connected with the two sides of the top of the flat base, the tops of the two supporting plates are fixedly connectedwith the same connecting base, a plate cavity is formed in the connecting base, a lower plate is installed in the plate cavity in a sliding mode, upper plates are fixedly connected with the two sidesof the top of the lower plate, and the tops of the two upper plates are fixedly connected with the same top plate. According to the invention,shock absorption treatment can be effectively performed onthe detector main body, the service life of the food detector is prolonged, dust removal treatment is facilitated when the food detector is used, and stirring treatment on food is facilitated.

The invention discloses vehicle-mounted Beidou equipment with an anti-interference function, and the equipment comprises a fixed block which is provided with a first installation groove and a second installation groove, the first installation groove and the second installation groove are communicated through a through groove, the interior of the first installation groove is slidingly connected with a first installation plate, and the first installation plate is provided with a damping plate. And a Beidou terminal is installed on the damping plate, a plurality of damping pieces are arranged between the first mounting plate and the inner bottom of the first mounting groove, a second mounting plate is slidably connected into the second mounting groove, and a damping mechanism is arranged between the second mounting plate and the first mounting plate. The vehicle-mounted Beidou equipment is reasonable in structure, capable of effectively damping the Beidou terminal and the satellite receiver, capable of stably receiving signals and effectively protecting the Beidou terminal and the satellite receiver, not prone to damage, capable of conveniently adjusting the position of the satellitereceiver, easy to operate, capable of being turned over and fast, and capable of bringing convenience to a user.

The invention discloses a low-cost multi-layer damping packaging structure. The low-cost multi-layer damping packaging structure comprises a packaging bag body, the packaging bag body is composed of abag body and a sealing tongue, and a glue sticker is attached to the sealing tongue; a damping layer is adhered to the inner wall of the bag body; and a fixing structure comprising two parts which are located on the bag body and the sealing tongue respectively is used for sealing the sealing tongue and the bag body. According to the technical scheme, the shock absorption protection performance ofthe packaging bag can be enhanced, the cost can be reduced by repeated use of the packaging bag multiple times, the waste discharge can be reduced and the environment can be protected.

The invention discloses a height-adjustable smash-proof water storage type electrical cabinet, which comprises a box body, a heat dissipation structure and a water circulation cooling device, whereina height adjusting device and supporting legs are arranged at the bottom of the box body, and a smash-proof device is arranged at the top of the box body; the heat dissipation structure comprises an air inlet formed in the side wall of the box body and an air outlet formed in the top of the box body; and the water circulation cooling device comprises a heat dissipation bent pipe arranged in the box body, the heat dissipation bent pipe is connected with water storage tanks arranged on the two sides of the box body through water pipes, and water pumps are arranged on the water pipes. The water circulation cooling device cools the interior of the electrical cabinet, so that the heat dissipation effect of the electrical cabinet is good; and the shockproof device not only can effectively support the electrical cabinet, but also can perform effective shock absorption protection on the electrical cabinet, and can reduce the impact force generated when a high-altitude falling object impacts asun visor by utilizing the buffer effect of springs.

The invention belongs to the technical field of welding equipment, and particularly discloses convenient-to-clean automatic welding equipment with a protective structure. The convenient-to-clean automatic welding equipment comprises a shell, a fixing base and a cleaning tank, wherein a sliding plate is arranged on the inner wall of the shell, a through hole is formed in the top end of the slidingplate, a protective mirror is arranged inside the sliding plate, a handle is connected to the outer wall of the protective mirror, the fixing base is arranged inside the shell, a scrap collecting drawer is arranged inside the fixing base, a pneumatic rod is arranged at the top of the fixing base, a clamping base is arranged at the end part of the pneumatic rod, a screw rod penetrates through the interior of the clamping base, and an abutting plate is arranged at the end part of the screw rod. According to the convenient-to-clean automatic welding equipment, the personal safety and eyes of theoperation user are conveniently protected, the user can conveniently clamp and move welding parts, the user can conveniently conduct vibration reducing protection on a welding device, the user can conveniently clean a welding head, and the user can conveniently collect welding scraps.

A servo driver switching power supply disclosed by the present invention comprises a power supply body, convex blocks, telescopic columns and springs, the convex blocks are fixed on the two side walls of the power supply body, sleeves are arranged at the four corners of the bottom end of the power supply body, the telescopic columns are fixed in the sleeves, the springs are fixed on the outer side walls of the telescopic columns, and the springs are fixed on the outer side walls of the telescopic columns. A base plate is arranged at the bottom end of the telescopic column. The device has the beneficial effects that the pressure switch and the warning lamp are arranged, in the wiring process, the connector of the connecting wire can apply pressure to the pressure switch, then the pressure switch controls the warning lamp to be turned on, and in the using process of the device, whether the connecting wire is loosened or not can be determined by observing the turning-on condition of the warning lamp; and workers do not need to check one by one, so that the workload of the workers is reduced, the checking efficiency of the workers is improved, the downtime of the device is shortened, and the practicability of the device is improved.

The invention relates to a horizontal omnidirectional earthquake isolation system for a building and a building system, the earthquake isolation system comprises an upper plate body and a lower plate body, first retainers are arranged between the upper plate body and the lower plate body at intervals, a plurality of first steel balls are arranged in the first retainers, and the first steel balls are in rolling contact with the upper plate body and the lower plate body. An upper partition wall is arranged on the lower surface of the upper plate body in a downwards-protruding mode, and a lower partition wall is arranged on the upper surface of the lower plate body in an upwards-protruding mode. The upper partition wall, the lower partition wall and the first retainer are arranged at intervals in the horizontal direction, a rubber ring is clamped and fixed between every two adjacent partition walls, and a plurality of mutually independent bubble chambers are uniformly formed in each rubber ring at intervals in the circumferential direction. According to the invention, the vertical bearing capacity is relatively large, the overall height is relatively small, the horizontal rigidity is very low, the self-homing capacity is realized, the excellent horizontal seismic isolation capacity is realized, the seismic oscillation possibly from any horizontal direction can be dealt with, the building above can be effectively protected, and the design cost, the construction cost and the manufacturing cost are relatively low.

The invention discloses a firework packaging device with a protection mechanism. The firework packaging device comprises side folding plates, a waterproof coating and a box body, wherein the two sidesof the box body are fixedly connected with the side folding plates, and the two ends of the box body are fixedly connected with main folding plates; protection structures are arranged at the four corners of the box body; and a damping structure is arranged at the bottom end of the inner part of the box body. Supporting legs are arranged at the four corners of the bottom end of the box body, and supporting rods are inserted between the supporting legs and distributed at the bottom end of the box body in a crossed supporting mode, so that the phenomenon that fireworks in the box body fall off due to the fact that the bottom end of the box body is stressed and deformed can be prevented. Moreover, a cushion layer is arranged on the inner wall of the box body, so that the fireworks can be wrapped to prevent from shaking in the box body during carrying. By means of the arrangement, the box body is not prone to being damaged in the using process, the fireworks in the box body are not prone to falling off, and the firework protection effect is better.

The invention discloses a shockproof and smash-proof water storage type electrical cabinet, which comprises a box body, a heat dissipation structure and a water circulation cooling device, wherein a shockproof device and a shockproof groove are arranged at the bottom of the box body, and a smash-proof device is arranged at the top of the box body; the water circulation cooling device comprises a heat dissipation bent pipe arranged in the box body, and the heat dissipation bent pipe is connected with water storage tanks arranged on the two sides of the box body through water pipes; the shockproof device is composed of a base, a sleeve, a compression spring, a movable rod and a connecting base; and the box body is placed in the shockproof groove, and a spring shock absorber is clamped between a limiting table and a groove table. The water circulation cooling device cools the interior of the electrical cabinet, so that the heat dissipation effect of the electrical cabinet is good; the shockproof device not only can effectively support the electrical cabinet, but also can effectively perform shock absorption protection; and through the buffering effect of springs, the impact force generated when a high-altitude falling object impacts a sun visor can be reduced, and damage to electric control equipment in the device box is avoided.

The reinforced gear comprises a driving rod, a driven rod and a gear rack, the driving rod is movably sleeved with a driving inner rotating wheel, the driving inner rotating wheel is fixedly sleeved with a driving left baffle and a driving right baffle, driving sliding rings are fixedly installed on the inner sides of the driving left baffle and the driving right baffle, and a buffer block is fixedly installed on the outer portion of the driving inner rotating wheel; first placement grooves are formed in the two sides of the buffer block, first through grooves are formed in the first placement grooves, limiting rings are movably mounted in the first through grooves, and buffer springs movably sleeve the limiting rings. The driving gear can be effectively protected through the buffer spring located between the buffer block and the limiting block, and when the driving rod rotates, rigid impact between the driving inner rotating wheel and the driving outer rotating wheel can be effectively reduced through the installed buffer spring, so that effective buffer protection is achieved, the abrasion resistance of the driving gear can be greatly improved, and the service life of the driving gear is prolonged. Lubricating oil is injected into the storage groove and can be discharged from the oil outlet hole in the rotating process.

The invention belongs to the technical field of environment protection, and in particular relates to a method for reducing indoor acoustic noise. Acoustic equipment adopted by the method comprises anacoustic equipment body, a first protection mechanism, a support mechanism, an installation mechanism, a second protection mechanism, a guiding rail, a clamping mechanism and a loudspeaker. Accordingto the method, the acoustic equipment is effectively damped and protected via clamping blocks on two sides of the acoustic equipment and a rubber pad at the bottom of the acoustic equipment, a whole desk is prevented from being driven to vibrate by the acoustic equipment when in playing, and the noise is reduced; a second fixing strop can rotate around a central column, so that second protective cloth can cover the outside of the loudspeaker, dustproof protection can be performed on the loudspeaker, shielding protection also can be further performed via the first protection mechanism, dust iseffectively prevented from entering the acoustic equipment, first protective cloth and the second protective cloth can be wound in a reel when not in use, the operation is simple and convenient, and the occupied space is small.

The invention discloses novel-structure multifunctional measuring equipment for road and bridge construction, which comprises a main body, dual-purpose mounting mechanisms, turning type protection mechanisms, a subarea mounting frame mechanism and a professional auxiliary mounting mechanism, the dual-purpose mounting mechanisms are arranged on the two sides of the lower part of the main body, and the turning type protection mechanisms are arranged on the upper part and the side edge of the main body; a partition racking mechanism is arranged on one side of the upper portion of the main body, a professional auxiliary mounting mechanism is arranged on one side of the partition racking mechanism, and the dual-purpose mounting mechanism comprises a lower mounting plate, an elastic mounting frame, a connecting mounting plate, an elastic slow mounting wheel, a bottom mounting inner threaded cylinder, a surface mounting screw piece and a soil leveling plate. According to the novel-structure multifunctional measuring equipment for road and bridge construction, due to the existence of the rotary threaded mounting piece above the internal mounting rod, a user can perform alignment assembly on a laser swinger or a small-sized measuring tool by utilizing the rotating property and the screwing property of the rotary threaded mounting piece, so that the user can conveniently perform laser swinger in bridge construction operation; however, if the height is limited, many limitations can be caused.

The invention discloses an anti-vibration cylinder type external sound box, relates to the technical field of living home furnishing, and aims to solve the problems that an existing sound box cannot be effectively damped and protected in the processes of transportation, movement and the like, so that the sound box is easy to damage, cannot be quickly fixed in time, and is inconvenient to use. According to the scheme, the device comprises a storage frame, a moving mechanism is arranged on the inner wall of the bottom of the storage frame, and a buffer mechanism is arranged above the moving mechanism. The loudspeaker box is novel in design and easy to operate, the two clamping plates can quickly clamp and fix the loudspeaker box body through the arrangement of the clamping plates, the firstsprings and the second springs, and when the loudspeaker box is disturbed by the outside, the first springs and the second springs can effectively conduct damping protection on the loudspeaker box body; and meanwhile, the sound box main body can be moved to a specified position through movement of the rollers, and the rollers can be locked by the arc-shaped sheets, so that the stability of the sound box main body is ensured, and the use is more convenient.

The invention relates to the technical field of mandrels, in particular to a self-centering mandrel for machining and detection. The self-centering mandrel solves the problem that in the prior art, due to the fact that the outer circle size of a conventional mandrel is fixed, clearance fit is usually adopted when the conventional mandrel is installed in an inner hole of a disc-shaped part, certain errors are inevitably generated, and the detection precision is reduced. The self-centering mandrel for machining and detection comprises a self-centering mandrel body, a conical cavity is formed in the self-centering mandrel body and penetrates through the two ends of the self-centering mandrel body, and a thread taper mandrel body matched with the conical cavity is arranged in the conical cavity. The thread taper mandrel body comprises a conical round rod and a screw rod which are used for being matched with the conical cavity. According to the self-centering mandrel, the outer ring of the self-centering mandrel is enlarged, and therefore the outer ring of the self-centering mandrel is completely attached to an inner hole of a gear to be detected, namely, the gap between the outer ring and the inner hole can be eliminated, and the clamping precision is improved.