39results about How to "Prevent falling damage" patented technology

The application discloses a hoist winch fault detection device and relates to the technical field of fault detection, which comprises a support chassis. When the servo motor fails during use, the heavy object rapidly descends with the steel wire rope, the steel wire rope drives the winding roller to rapidly rotate, the winding roller drives the driving gear to rapidly rotate, the annular gear ring drives the planetary gear and the sun gear to rapidly rotate, and the tooth defect gear is driven to rapidly rotate. At this time, the rotation speed sensor senses that the rotation speed of the tooth defect gear is abnormally accelerated, and the signal is transmitted to the controller. The hydraulic rod is started and controlled through the controller, the hydraulic rod drives the pushing block to move forward, the pushing block drives the sliding rod to move forward along the horizontal direction of the movable groove when moving, the locking block moves upward until being engaged with the corresponding locking groove, the locking disc is rapidly locked and stopped, and rapid self-locking is realized.

The invention discloses a corrosion resistance detection device for electric meter box production, and relates to the technical field of corrosion resistance detection.The corrosion resistance detection device comprises a bottom plate, a U-shaped frame plate is fixed to the top surface of the bottom plate, a clamping assembly is arranged in the middle of the inner wall of the U-shaped frame plate and comprises a U-shaped groove frame, and the U-shaped groove frame is fixed to the middle of the inner wall of the U-shaped frame plate; the device comprises a U-shaped frame plate, a double-groove screw penetrates through the left side and the right side of the inner wall of the U-shaped frame plate and is rotationally provided with a double-groove screw, annular pipe blocks are slidably installed on the outer walls of two spiral grooves of the double-groove screw, two concentric-square-shaped plates are fixedly installed on the outer walls of the two annular pipe blocks correspondingly, and two rectangular shells are fixed to the inner walls of the two concentric-square-shaped plates correspondingly; the two rubber blocks tightly abut against the two sides of the electric meter box, so that the problems that the paint surface on the surface of the electric meter box is easily scratched by a clamp, corrosive liquid directly makes contact with metal in the electric meter box, and corrosion resistance detection data of the electric meter box are not accurate are solved.

The present invention relates to the field of semiconductor detection technology, and discloses: an ultrasonic detection device for semiconductor defect detection, comprising: a box body, a barrel body, a fixed component, a rotating component and a lifting component, the surface of the box body is fixedly connected with a control button, the inner wall of the box body is fixedly connected with an ultrasonic component, the inside of the box body is fixedly connected with the barrel body, the inside of the box body is provided with a fixed component, the inside of the barrel body is provided with a driving component, a rotating component and a lifting component, through the coordinated use of an air supply pipe and a fixed plate, an external gas source is connected with the air supply pipe, and then the external gas is transported to the inside of the air supply cylinder through the air supply pipe, thereby driving the fixed cylinder to move, and the fixed cylinder drives the fixed plate to contact with the semiconductor through a sliding cylinder, when the fixed plate continues to squeeze the semiconductor, the fixed plate squeezes the spring through the sliding cylinder to retract the spring, thereby preventing the fixed plate from damaging the semiconductor, thereby achieving a lossless fixation effect.

The present invention discloses a test device for automotive semiconductor chip packaging, which relates to the field of chip testing equipment, including a test host, on which a test module and a load platform are installed, on which a push knife for testing is installed, and on the bottom side of the test module is installed an integrated seat; it also includes a clamping protection device, which is installed on the bottom side of the integrated seat, and the push knife is located in the clamping protection device, and the clamping protection device is used to protect the push knife. It should be noted that in the embodiment of the present invention, the push knife is completely enclosed by two lower protective boxes and two upper protective boxes to avoid problems such as long-term exposure of the push knife to collision or erosion by the external environment, thereby effectively ensuring the safety of the push knife; in addition, when the test module is reset, the cleaning brush is rotated to clean the push knife, ensuring the cleanliness of the push knife, thereby ensuring the test effect of the push knife.

The utility model relates to the technical field of excavator bucket rod lifting appliances, and discloses a novel excavator bucket rod lifting appliance which comprises a lifting appliance body, a spring groove is formed in the lifting appliance body, a limiting block is connected in the spring groove in a sliding mode, and an adjusting box is fixedly connected to the right end of the lifting appliance body. A sliding plate is slidably connected into the adjusting box, a pull rod is fixedly connected to the right end of the sliding plate, a pull block is fixedly connected to the right end of the pull rod, and an insertion rod is fixedly connected to the left end of the sliding plate. According to the novel excavator bucket rod lifting appliance, a worker pulls a pull block to drive a sliding plate to move, the sliding plate drives an inserting rod to relieve limiting between the inserting rod and an inserting hole, so that fixing of a limiting block is relieved, and the worker downwards moves the limiting block to enable the lifting appliance body to be hooked with an excavator bucket rod and upwards moves the limiting block to enable the inserting rod to be aligned with the inserting hole; and a worker pushes the pull block to fix the position of the spring groove, so that the worker is prevented from falling off and being damaged when hooking the excavator bucket rod.

The utility model relates to the technical field of computer supports, and discloses a notebook computer support which comprises a support body, a fixing structure and a supporting structure, the fixing structure comprises a clamping plate, one side of the clamping plate is rotationally connected with a fixing base through a first rotating shaft, the first rotating shaft is sleeved with a bead-stringing torsional spring, and the bead-stringing torsional spring is connected with the supporting structure. A fixed bottom plate is hinged to the bottom of the clamping plate through a bead torsion spring, the supporting structure comprises two first supporting plates and two second supporting plates, pressing switches are arranged at the two ends of the first supporting plates and the two ends of the second supporting plates, each pressing switch comprises a first button, and a second button is embedded in each first button. According to the notebook computer support, the fixing structures are fixedly connected to the two sides of the support body, firmness is improved, the supporting feet are arranged on the two sides of the lower end of the support body, the notebook computer is stably fixed to the support body through the fixing structures and the supporting feet together, and the notebook computer is prevented from falling off from the support body and being damaged.

The utility model discloses a strawberry matrix seedling breeding device, which belongs to the technical field of strawberry cultivation and comprises a bottom plate, the top of the bottom plate is fixedly connected with a first support plate and a second support plate respectively, and one side, close to the second support plate, of the first support plate is rotatably connected with a first rotating plate. The device is provided with the first rotating plate, the second rotating plate, the placing plates, the counterweight rod and the angle fixing assembly, the first rotating plate and the second rotating plate drive the placing plates to rotate flexibly, and when the first rotating plate and the second rotating plate are placed horizontally, the placing plates are located on the same horizontal plane, so that seedlings obtain sufficient illumination, and the seedling survival rate is increased. The arrangement of a counterweight rod can ensure that a placing groove of a placing plate is constantly upward, an angle fixing assembly can fix a rotating plate I after the rotating plate I rotates to a specific angle, and an indicating block and a fan-shaped marking plate are arranged and are matched with each other, so that a worker can know the rotating angle of the rotating plate I; and a bolt in the angle fixing assembly can be conveniently inserted into a corresponding slot in the first rotating plate.

The utility model relates to the technical field of musical instruments, in particular to a melodica with a key protection function. The utility model provides the melodica with the function of protecting the keys, which can protect the melodica after the melodica is used, prevent the keys from being damaged and ensure the service life and the playing effect of the melodica. The melodica with the key protection function comprises a melodica, keys, a tail seat, a torsion spring, a sealing cover and the like, the tail seat is connected to the rear side of the melodica, the keys are arranged on the upper side of the melodica, and the sealing cover is rotationally connected to the tail seat. According to the utility model, the long protecting cover rotates on the rotating arm, then the rotating arm rotates on the double-side seat, the melodica covers the keys again, and then the sealing cover is clamped with the front cover lock, so that the effects of protecting the melodica, preventing the keys from being damaged and ensuring the service life and the playing effect of the melodica after the melodica is used are achieved.

The utility model provides a wafer overturning structure, which relates to the technical field of semiconductor processing, and comprises an overturning platform mounting plate and an overturning assembly, the overturning assembly comprises a motor arranged on the overturning platform mounting plate, the output end of the motor is provided with a rotating plate, the bottom of the rotating plate is fixedly provided with a cantilever, the cantilever is provided with an adsorption plate, and the adsorption plate is arranged on the overturning platform mounting plate. According to the utility model, the motor drives the rotating plate to rotate and drives the cantilever and the adsorption plate to realize wafer overturning, the parallel finger cylinder pushes the cylinder clamping plate to enable the centering clamping plate to move along the direction of the wafer so as to realize centering calibration of the wafer, and the first cylinder and the second cylinder are linked to adjust the telescopic stroke of the adsorption plate so as to adapt to different wafer sizes. The vacuum chuck is connected with an air channel through an air pipe connector to generate negative pressure to adsorb the wafer, then the motor is started, constant-speed rotation is achieved through the speed reducer, the cantilever drives the wafer to complete turning over, and therefore the wafers of different sizes can be turned over in a compatible mode.

This application discloses a multi-camera panoramic stitching and target recognition device, comprising: a drone and an optoelectronic pod mounted on its bottom mounting base. A connecting plate is provided at the top of the optoelectronic pod, and a mounting plate is provided on the lower end face of the mounting base. The connecting plate is tightly attached to the lower end face of the mounting plate. An anti-slip assembly is provided between the mounting plate and the connecting plate, comprising an upper anti-slip plate and a lower anti-slip plate. The upper anti-slip plate is located on the lower end face of the mounting plate, and the lower anti-slip plate is located on the upper end face of the connecting plate, engaging with the upper anti-slip plate to prevent the connecting plate from loosening or slipping. The multi-camera panoramic stitching and target recognition device proposed in this application uses toothed engagement to assemble the optoelectronic pod onto the bottom of the drone, preventing the optoelectronic pod from being affected by air resistance and causing it to sway at the bottom of the drone, thus preventing deformation or breakage of the bolts and avoiding damage due to bolt deformation or breakage, thereby improving the stability of the optoelectronic pod installation.

This invention discloses an integrated cable anti-drag storage device and method for car charging piles, applied in the field of car charging pile technology. The key technical points are: it includes a base and a charging pile body fixedly connected to the base; the charging pile body has a charging gun head based on the cable; a mounting base is externally fixedly connected to the charging pile body; a first cable storage component, a release restriction component, and a second cable storage component are sequentially arranged along the cable direction within the mounting base; a lever lifting component is also provided on the base; a locking release component is fitted and fixedly connected to the charging gun head; and a buzzer for emitting an alarm sound and a fault indicator light for indicating a malfunction are fixedly provided on the charging pile body. The technical effects are: preventing the charging cable from being dragged while reducing the possibility of damage to the charging gun and improving charging safety.

The exhibition hall design service exhibition device comprises an exhibition stand and a transverse screen liquid crystal display body, supporting piles are arranged at the lower ends of the four corners of the exhibition stand, first cavities are formed in the side walls of the left end and the right end of the exhibition stand, and lifting mechanisms are vertically arranged on the top faces of the two first cavities in a penetrating mode. The lifting pile is driven by the servo motor to vertically ascend and descend under the limiting action of the limiting block, the first limiting rod, the first connecting rod and the ball, the transverse screen liquid crystal display body is driven by the lifting pile to vertically ascend and descend, the display height can be conveniently adjusted according to actual needs, an exhibit is placed on the T-shaped material carrying table to be matched with the clamping mechanism to be clamped and positioned, and the display efficiency is improved. And the exhibit clamped and positioned on the circular material carrying table is driven by the servo motor to rotate and adjust under the limiting action of the pulley and the annular groove, so that the angle of the exhibit can be conveniently adjusted according to actual requirements, and the exhibition effect is ensured.

The utility model relates to the technical field of conveying devices, and discloses a mechanical manufacturing conveying device which comprises a roller conveyor, a conveying assembly is arranged at one end of the roller conveyor and comprises supports on the two sides, a transverse plate is arranged between the supports on the two sides, and a pressure sensor is installed at the top of the transverse plate. A driving box is fixedly connected to the top end of the support on one side, a plurality of heat dissipation holes are formed in the surface of the driving box, a rotating shaft is arranged in the driving box, a gear is installed at the tail end of one side of the rotating shaft, a rack is arranged in the driving box, a fixing base is fixedly connected to the interior of the driving box, and a hydraulic rod is installed on the fixing base; by designing the conveying assembly, during mechanical manufacturing and conveying, produced parts can be stably conveyed to the roller conveyor, so that the situation that the parts fall off and are damaged during conveying is avoided, the produced parts can be effectively protected, and machining of mechanical parts is facilitated.

The utility model provides an intelligent closestool remote controller with high sealing performance, which relates to the technical field of remote controllers, and comprises a remote controller assembly, a remote controller and a remote controller, and the anti-falling assembly is fixedly connected to the lower surface of the shell, the anti-falling assembly comprises a limiting block and a placement frame, a connecting rope is arranged on the lower surface of the limiting block, a take-up groove is formed in the bottom in the placement frame, and a notch is formed in the front surface of the placement frame. According to the remote controller, the transparent film is installed in a sealed mode, and the control panel is operated through the transparent film, so that water can be prevented from entering from gaps of buttons of the control panel, the sealing performance of the remote controller is improved, and the problem that water easily enters from the gaps of the buttons when water drops splash on the remote controller in a bathroom in the background technology is solved. The remote controller is short-circuited and damaged, and the service life of the remote controller is influenced.

The utility model relates to the technical field of scanners, and provides an angle-adjustable barcode scanner for shopping malls, which comprises a base, an adjustable scanning mechanism and a mounting mechanism. According to the utility model, through the arrangement of the mounting mechanism, the clamping plates are pushed inwards, the movable blocks move upwards, the centers of the suction cups are driven to move upwards, and a vacuum cavity is formed between the suction cups and a working surface, so that the scanner is fixed, the scanner is fixed at a working position through the suction cups, and the scanner is prevented from falling down and being damaged due to touch; the position of the scanning gun can be changed, after adjustment, the scanning gun is fixed through the fixing bolt, deviation during use is prevented, the clamping ring and the clamping block are arranged, and the clamping block is clamped in the clamping ring, so that the scanning gun is prevented from falling off during use; by arranging the spring, the rotating shaft and the placing block, the placing block is rotated, the rotating shaft drives the spring to rotate and bear force, so that the angle of the scanning gun is deviated, the scanning position of the scanning gun can be temporarily changed, and the spring unloads force to drive the placing block to reset after the hand is loosened.

According to the technical scheme, the pallet truck easy to disassemble is characterized in that the pallet truck comprises a first pallet, a second pallet is arranged on the top face of the first pallet, a plurality of clamping holes are formed in the top face of the first pallet and the top face of the second pallet, and each clamping hole is composed of a round hole and two rectangular holes; a connecting rod is arranged on the top face of the first tray and composed of a rectangular block and cylindrical blocks at the two ends, two clamping blocks are fixedly installed on the outer wall face of the cylindrical block part of the connecting rod, and the first tray and the second tray are connected with the connecting rod in a clamped mode through the clamping holes. Through the design of the clamping holes and the connecting rods, the first tray and the second tray can be selectively spliced according to the number of goods and other conditions, so that the device can carry out double-layer transportation, the actual use efficiency of the device is improved, meanwhile, compared with the left-right splicing design, the upper-lower layer design can save more space, and the device has higher universality.

The utility model discloses a kind of clamping and grabbing overturning anti-falling mechanisms, comprising: connecting seat, sliding seat is fixed below the connecting seat, moving seat is equipped in the left and right sides of the sliding seat, multiple guide rods are fixed in each moving seat obliquely staggered, each guide rod is transversely movably inserted in sliding seat, moving part is equipped between each moving seat, gripping plate is installed in each moving part, anti-falling part is equipped in each gripping plate, driving part is equipped in each gripping plate, compared with prior art, can prevent air curtain from falling off when overturning assembly, avoid air curtain of car from falling off damage.

This utility model relates to the field of heat treatment technology for thin-walled gears, and discloses a fixture for carburizing and quenching thin-walled gears. The fixture includes a base, a mounting groove on the top edge of the base, an inner wall of the mounting groove that is slidably connected to the surface of a column, a surface of the column that is slidably connected to the inner wall of a lifting block, a lifting hook fixedly connected to the side of the base, a fixing mechanism on the surface of the column, a clamping mechanism in the middle of the fixing mechanism, and a thin-walled gear mounted on the base. This utility model uses threaded rods penetrating both ends to clamp the clamping plate and gear between the two fixing plates using nuts, preventing deformation of the gear during quenching. The opening of the connecting groove and the vortex groove allows the carbon-containing gas flow to fully contact the gear surface, preventing insufficient carburizing and resulting in insufficient gear hardness. The locking protrusion restricts the movement of the gear.

The utility model relates to the technical field of quick replacement device of milling cutter, and disclose solid wood furniture curved surface processing profiling milling cutter quick change device, including fixed establishment, the fixed establishment inside clamping has milling cutter seat, the lower end surface rotation of milling cutter seat is connected with milling cutter rotating shaft, the lower end surface of milling cutter rotating shaft is connected with milling cutter main part with clamping, the lower end surface screw thread connection of milling cutter rotating shaft has locking nut, the fixed establishment front end surface sliding connection has height adjusting mechanism, two clamping mechanisms are fixedly installed on the height adjusting mechanism upper end surface, through setting fixed establishment, utilize no. One fixed plate and no. Two fixed plate clamping milling cutter seat, and tighten adjusting nut makes milling cutter quick change device fixed in the outside of the milling cutter to be changed, and the fixed wrench will be connected with locking milling cutter rotating shaft, after that staff can use wrench to disassemble locking nut with both hands, to improve milling cutter replacement efficiency and installation reliability.

The application belongs to the technical field of architectural acoustics construction, and discloses a holographic acoustic module arc roof installation construction method, which completes curved surface partition and prefabrication through a 1:1 three-dimensional BIM model, generates a deviation analysis report by combining three-dimensional laser point cloud data comparison, automatically compensates installation errors through an AI algorithm, matches grid positioning and angle reference double positioning, and realizes real-time inclination angle feedback, so that the module installation deviation is controlled in a very small range, the installed module does not need to be removed for rectification, construction cost and construction period loss are reduced, arc curvature is matched, the broadband sound absorption effect of the holographic acoustic module is ensured, the curved surface roof installation precision and acoustic basic performance are synchronized to reach the standard, the automatic engagement of concave-convex tenon and groove between modules, magnetic sheet adsorption, elastic acoustic sealing strip sealing, the control of the splicing gap within 0.5 mm, the avoidance of sound diffraction and reflection interference, and the attenuation of vibration transmission through the butyl rubber acoustic isolation layer and the buffer assembly.

The utility model provides a kind of portable multifunctional inspection instrument, including inspection instrument main body, its outside is equipped with ABS engineering plastic protective shell, surface has dustproof coating and grid-shaped antiskid line, inside is equipped with control, power supply, storage module;Main body front surface is equipped with two-dimensional code scanning component, photographing component and high-definition liquid crystal display, side surface is equipped with lighting component control button and Type-C charging interface, top has hanging rope hole and adjustable hanging rope.The inspection instrument integrates three functions of two-dimensional code scanning, lighting, photographing, IP66 dustproof level, overall weight 180g, lighting brightness 100-1000 lumen adjustable, photographing supports 5 million pixels and 1080P video recording, storage module capacity is not less than 32GB and supports data export.The utility model solves the problem of existing inspection equipment function dispersion, insufficient protection, poor portability, improves the inspection efficiency and equipment stability, adapts to a variety of complex inspection scene, and the practicality is strong.

The utility model belongs to the technical field of combustors, and discloses a gas oxidation device combustor capable of being movably and flexibly mounted, which comprises a combustor body, a support is abutted against the bottom of the combustor body, four support legs of the support are fixedly connected with universal rollers, the top of the support is fixedly connected with a mounting plate, and the mounting plate is fixedly connected with a mounting base. A fixing plate is fixedly connected to one side of the mounting plate, a moving assembly is movably connected to the outer portion of the fixing plate, and a first limiting column is fixedly connected to the top of the moving assembly. The combustor is provided with the tension spring, the first rolling rod, the extension assembly, the pressing shaft and the limiting piece, the first rolling rod is turned over with the fixed wheel as the axis, the inner stretching rod is pulled out from the interior of the outer limiting barrel, the extension assembly is extended, the pressing shaft bypasses the longest end of the combustor body and is turned over to the position over the limiting shaft, and the bottom of the first rolling rod abuts against the movable wheel; and the combustor body is more stable in the moving process and not prone to shaking, and the device can be prevented from falling down and being damaged.

The ear cerumen cleaning device comprises two holding handles, one end of each holding handle is fixedly connected with an extending block, the side face of each extending block is fixedly connected with a fixing block, the surface of each fixing block is fixedly connected with an external thread block, an anti-disengaging belt is arranged outside each fixing block, a through hole is formed in the surface of each anti-disengaging belt, and a through hole is formed in the surface of each anti-disengaging belt. The outer threaded block is sleeved with the penetrating hole. According to the ear cerumen cleaning device, the extending block is additionally arranged at one end of the holding handle, the side face of the extending block is provided with the external thread block, the thread block is sleeved with the anti-disengaging belt, the external thread block is directly sleeved with the penetrating hole of the anti-disengaging belt, and when the cleaning device needs to be taken up, the anti-disengaging belt is directly arranged outside the wrist in a sleeving mode; the cleaning device can be prevented from falling off from the hand in the holding process, the cleaning device is effectively prevented from falling and being damaged, and holding is more stable.

The utility model provides a logistics supply chain management device. The logistics supply chain management device comprises a conveying belt structure, the conveying belt structure comprises a fixing frame, adjusting assemblies are installed on the surfaces of the front side wall and the rear side wall of the fixing frame, a supporting frame is fixedly connected to the top of the fixing frame, and an industrial recognition camera is installed on the surface of the supporting frame; the industrial recognition camera is located on the upper side of the conveying belt structure, the adjusting assembly comprises a plurality of threaded rods, the threaded rods are rotationally connected with the inner wall of the fixing frame, a vertical groove is formed in the portion, located on the front sides of the threaded rods, of the surface of the fixing frame, and a third motor is fixedly connected to the portion, located on the top of the threaded rods, of the inner wall of the fixing frame. The logistics supply chain management device provided by the utility model has the advantage of being capable of effectively reducing the possibility that the parcels are seriously damaged or damaged after being pushed into the loading box by the swing arm.

The utility model discloses a ceramic sintering device convenient to feed, which belongs to the technical field of ceramic sintering devices and comprises a sintering tank, a base is fixedly connected to the bottom of the outer surface of the sintering tank, a cover plate is arranged at the top of the sintering tank, and a convenient feeding structure is arranged at the bottom of the cover plate. An auxiliary uncovering structure is arranged between the base and the cover plate, the convenient feeding structure comprises a driving motor, and the output end of the driving motor is fixedly connected with a rotating round rod. According to the ceramic sintering device facilitating feeding, by arranging the convenient feeding structure, under the action of a cover plate, a first connecting circular plate, a connecting arc rod and other components can be taken out of the sintering tank, then ceramic products can be taken out of the sintering tank, and then the ceramic products can be clamped and taken out by selecting a good angle; and the situation that the ceramic products fall off and are damaged in the taking process due to the narrow space in the sintering tank is avoided, and then the ceramic products can be conveniently fed.

The utility model relates to a creeper tread assembly interference detection device, and belongs to the technical field of creeper tread detection devices. The device comprises a rack, a driving wheel, a safety rope and a guide wheel, a track shoe placing platform is arranged on the rack, the driving wheel is rotatably arranged at the right end of the rack, the guide wheel is rotatably arranged at the left end of the rack, and the axis of the driving wheel and the axis of the guide wheel are horizontally arranged in the front-back direction. The driving wheel is provided with a driving mechanism for driving the driving wheel to rotate; a driving gear is coaxially and fixedly arranged on the driving wheel, and the driving gear is used for being matched with the track shoe assembly to form a gear and rack transmission structure; a rope winding groove is formed in the peripheral face of the driving wheel, one end of the safety rope is fixedly connected with the rope winding groove and wound in the rope winding groove, and the other end of the safety rope is used for being connected with the track shoe assembly after bypassing the guide wheel. According to the utility model, whether multiple groups of assembled track shoes interfere with each other or not can be effectively detected in advance, and the assembly efficiency is improved.

The utility model discloses a shoe material initial blank foaming hanger, including frame and installing in the four corners of frame bottom place's universal wheel, still including the crossbeam of sliding setting on the frame, the fixed mounting of crossbeam has the net, the rear side fixed mounting of crossbeam has the buckle for with the net cross joint place is buckled, the hook of being used for hanging the shoe blank is rotatably arranged on the crossbeam, and the driving part for driving the rotation of hook is arranged on the crossbeam. The utility model can adjust the crossbeam distance at will according to different styles, size's shoe material initial blank, adapts multi -specification production use, and the layout of layered crossbeam forms independent ventilation space, is favorable to the all -round moisture drying of shoe material initial blank foaming, prevents the problem of stacking damp, sticking hardening, extrusion deformation, and the cooperation structure of net and buckle can play the bottom protection effect, prevents the small shoe material falling damage, and the overall structural strength is high, and the layout is neat, and the adjustment is convenient, and the versatility and practicality are extremely strong.

The invention relates to the technical field of rail material conveying, and discloses a rail material conveying device for subway station assembly type stair construction, which comprises a rail flat car, a first sliding groove is formed in the upper surface of the rail flat car, and a linear motor is fixedly connected to the inner surface of the first sliding groove; according to the device, an abutting plate clamps the assembly type staircase, so that the assembly type staircase is fixed, the stability during transportation is improved, the assembly type staircase is prevented from falling down and being damaged, the assembly type staircase makes elastic contact with the abutting plate through a pressure spring, and the situation that the surface of the assembly type staircase is abraded due to the fact that the clamping force is too large is prevented; and the top of the assembly type stair is clamped by the rotating clamping plate, the situation that the assembly type stair floats due to the fact that the rail flat car is impacted in the transportation process or the assembly type stair floats due to inertia generated when the rail flat car stops is avoided, and the transportation stability and safety of the assembly type stair are further improved.

The utility model discloses a low-inductance high-voltage plastic shell pulse capacitor, which comprises a plastic shell and a pulse capacitor body fixedly arranged in the plastic shell, a high-voltage line is fixedly arranged at the upper end of the pulse capacitor body, and an insulating base is fixedly arranged at the upper end of the high-voltage line. An output connector is fixedly installed at the upper end of the insulation base, a protection shell is fixedly installed at the bottom of the insulation base and isolates the bottom of the insulation base, and a protection mechanism is arranged on the outer side of the insulation base. According to the low-inductance high-voltage plastic shell pulse capacitor, if the interior of the device is short-circuited, a protection circuit is disconnected, an electromagnet loses power, and an adsorption iron sheet cannot be adsorbed, at the moment, a puncture cone is influenced by the tension of a reset spring, and the puncture cone slides outwards along a limiting groove through a limiting block, so that the plastic shell and a material on the surface of the plastic shell are punctured; air in the pulse capacitor is communicated with the outside, and overload expansion explosion in the pulse capacitor is avoided.

The utility model relates to the technical field of flower planting, and particularly discloses a three-dimensional flower cultivation frame which comprises a base, a central column fixedly connected to the upper surface of the base, a top plate fixedly connected to the top of the central column, and planting assemblies arranged on the side surface of the central column and used for storage. The stored planting pots can be quickly expanded outwards by manually rotating the rotating pads, so that the vertical and horizontal spaces of the greenhouse are effectively utilized, and the cultivation frame which is originally compactly stored is expanded layer by layer like petals through simple manual rotating operation to form a multi-layer three-dimensional planting structure, so that the planting quantity of flowers is multiplied, and the planting efficiency is improved. And when not in use, the device is reversed and stored to be attached to the central column, so that the occupied area is greatly reduced, operation of other farm work or facility adjustment in the greenhouse is facilitated, maximum utilization of the space of the greenhouse is guaranteed, and the utilization rate of land resources is remarkably increased.