52results about How to "Limit" patented technology

The invention relates to the technical field of charging pile fire extinguishing, and discloses a miniature automatic fire extinguishing device suitable for an electric vehicle charging pile, the miniature automatic fire extinguishing device comprises two stand columns which are symmetrically distributed left and right, a moving assembly is arranged between the two stand columns, and a lubricating assembly located on the outer side of the moving assembly is arranged at the top of the moving assembly; an adjusting mechanism is arranged at the bottom of the moving assembly, an outer box extending to the bottom of the adjusting mechanism is arranged on the inner side of the adjusting mechanism, a fixing mechanism extending to the bottom of the outer box is arranged on the inner side of the outer box, and a fire extinguishing mechanism attached to the fixing mechanism is arranged on the inner side of the outer box; according to the miniature automatic fire extinguishing device suitable for the electric vehicle charging pile, the purpose of adjusting the fire extinguishing angle is achieved through the arrangement of the adjusting mechanism, and the purpose of conveniently replacing fire extinguishing equipment is achieved through the arrangement of the fixing mechanism and the fire extinguishing mechanism.

The utility model belongs to the field of green plants, and particularly relates to a standard tree ring mold which comprises a green plant fixing ring, a supporting rib and an external fixing ring, one end of the supporting rib is detachably installed on the outer side of the green plant fixing ring in an inserted mode, and the other end of the supporting rib is detachably installed on the inner side of the external fixing ring in an inserted mode. The hard blocking ring is detachably clamped on the external fixing ring; and the shaping scraping piece is detachably mounted on the external fixing ring in an inserted manner. During installation, all the components are combined with a tree trunk as the center, then ridging and shaping are conducted on the outer side of the external fixing ring, the manufactured tree rings are consistent in size, neat, attractive and firm, the shaping scraping piece can shape mixed soil, one side of the shaping scraping piece expands outwards to expand collection of the soil, and the shaping scraping piece is convenient to use. And by means of the handle arranged on the outer side of the shaping scraping piece, a worker can better exert force, a large amount of time is saved, and meanwhile the working efficiency is improved.

The utility model provides an outdoor rain -proof rat poison bait station relates to rat killing technical field, the utility model discloses a ceramic cylinder, the section of ceramic cylinder vertical direction is the shape of quarter circle, the bottom of ceramic cylinder inner wall is provided with the poison bait box, is provided with rain -proof device between poison bait box and ceramic cylinder, rain -proof device is blocked respectively to both sides of poison bait box through the setting of two baffle, the utility model discloses a baffle, the position of baffle is adjusted, and poison bait box is placed between two baffles, and the height of baffle is higher than the height of both sides of poison bait box, then two baffles can be blocked respectively to the top of both sides of poison bait box, is favorable to prevent rainwater from entering poison bait box from both ends of ceramic cylinder under the action of wind force and leads to poison bait to be wet and be polluted, and then is favorable to prevent the drug of poison bait to drop and poison bait to separate ceramic cylinder and cause the pollution around poison bait station.

The utility model relates to the field of metal processing and manufacturing, and discloses a self-centering metal part clamping device which comprises a platform and a bottom plate, the lower surface of the platform is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a sliding plate, and the outer wall of the sliding plate is slidably connected to the inner wall of the platform. A plurality of groups of clamping rods are fixedly connected to the upper surface of the sliding plate, the clamping rods are transversely arranged and distributed, the lower surface of the sliding strip is fixedly connected to the upper surface of the platform, an auxiliary centering assembly is arranged on the outer wall of the sliding plate, and an inclination adjusting assembly is arranged on the upper surface of the bottom plate. According to the centering device, the sliding plate is driven by the hydraulic cylinder to slide under the limitation of the platform, the sliding block and the sliding strip, the effect of driving the linkage rod and the synchronous plate to drive the clamping rods on the two sides to be centered is achieved, the first-stage centering and fixing effect is achieved in the using process, and meanwhile the second-stage centering and fixing effect is achieved through the auxiliary centering assembly.

The utility model discloses a robot sensor platform with two degrees of freedom and a damping function. The robot sensor platform comprises a damping base, a spherical hinge, a spring, an upper stepping motor, a damping connecting plate, a sensor support, a sensor clamping jaw and a lower stepping motor. The damping device is characterized in that the damping base and the damping connecting plate are connected through a spherical hinge and a spring, and the spherical hinge is a telescopic spherical hinge with damping and is matched with the spring to achieve double damping; the upper stepping motor is fixedly installed on the damping connecting plate, and an output shaft of the upper stepping motor is connected with the sensor support. One side of the sensor support is fixed to a lower stepping motor through a groove, and an output shaft of the lower stepping motor is connected with a sensor clamping jaw. According to the platform, the operation range of the sensor is increased through the two stepping motors, and the precision is ensured while the degree of freedom of the sensor is increased through buffering and damping of the damping assembly.

This utility model relates to the field of soil research technology and discloses an equidistant sampling device suitable for the study of soil pollutants in agricultural land. It includes a support plate with a scale fixedly connected to its top. Two I-shaped grooves are formed at the top of the support plate, and two I-shaped sliders are slidably connected to the inner walls of the two grooves. Two pedals are fixedly connected to the tops of the two sliders. The operator first determines the sampling interval according to the research requirements. Then, the operating parameters of the bidirectional motor, such as speed and direction of rotation, are set via the control panel. After starting the bidirectional motor, its output drives a bidirectional screw to rotate. Due to the bidirectional thread characteristic of the bidirectional screw, the two moving sleeves connected to the surface of the bidirectional screw will move in opposite directions at equidistant intervals along the screw. The operator can then observe the position of the pointer on the scale.

This utility model discloses an explosion-proof permanent magnet isolation box, including an explosion-proof box body and a box cover. A U-shaped clamping plate is fixedly connected to the top of the explosion-proof box body, and the box cover slides in conjunction with the U-shaped clamping plate. A second dovetail groove is formed on the top side of the explosion-proof box body near the opening end of the clamping plate. A second dovetail block slides in the second dovetail groove, and an L-shaped connecting plate is fixedly connected to the second dovetail block. A U-shaped groove is formed on one side of the vertical end of the connecting plate, and a second stud passing through the U-shaped groove is fixedly connected to the clamping plate. A set of nuts is threadedly connected to the second stud. In this utility model, when maintenance is required, simply loosen the nuts on the first and second studs to pull out the connecting plate as a whole, and then slide the box cover outwards along the opening end of the clamping plate to quickly open the box body. This eliminates the need to disassemble numerous bolts one by one, greatly improving maintenance efficiency and ease of operation.

The utility model relates to the field of mechanical parking equipment, in particular to a car carrying plate capable of moving forwards and rotating. The vehicle carrying plate capable of moving forwards and rotating comprises a vehicle carrying plate body, stopping assemblies, adjusting assemblies and connecting blocks, a vehicle getting-on inclined plate is installed at the vehicle getting-on position of the vehicle carrying plate body, long-strip-shaped stop blocks are symmetrically and fixedly connected to the two sides of the vehicle carrying plate body, and the stopping assemblies are installed on the sides, away from the vehicle getting-on inclined plate, of the long-strip-shaped stop blocks; first connecting rods are fixedly connected to the bottom ends of the sides, close to the getting-on inclined plate, of the long-strip-shaped check blocks, moving wheels are rotatably connected to the interiors of the bottom ends of the first connecting rods, containing blocks are fixedly connected to the parts, close to the first connecting rods, of the far sides of the two long-strip-shaped check blocks, and adjusting assemblies are installed in the containing blocks; and connecting blocks are fixedly connected to the parts, far away from the getting-on inclined plate, of the close sides of the two long-strip stop blocks. According to the utility model, the parking difficulty is reduced, the system is also friendly to unskilled drivers, the parking time is reduced, and the psychological pressure is reduced.

This utility model discloses a creasing device for carton production, comprising: support plates and auxiliary components. Two contact plates are disposed between the two support plates. Positioning blocks are fixedly connected to the contact plates via a first screw and a first adjusting nut. First adjusting grooves are formed on the upper and lower sides of the outer surface of each positioning block. A first limiting post is fixedly connected to the inner surface of each adjusting groove. A first connecting rod is rotatably connected to the outer surface of each first limiting post. Second limiting posts are fixedly connected to the front and rear sides of the outer surface of the first connecting rod on the side away from the first limiting post. The first connecting rod can flexibly rotate around the first limiting post. When facing carton surfaces of different shapes and curvatures, the angle of the elastic pressure ring can be adjusted by its own rotation, ensuring a tight fit between the elastic pressure ring and the carton surface. This guarantees uniform and effective pressure on all parts of the carton, improving the uniformity and aesthetics of the creasing.

The utility model discloses a curtain wall glass installation auxiliary device which comprises a fixed seat, the four sides of the fixed seat are fixedly connected with a supporting frame, and the two sides of the fixed seat are each provided with a first movable seat connected to an inner cavity of the supporting frame in a sliding mode. The front side and the rear side of the fixing base are each provided with a second moving base slidably connected to an inner cavity of the supporting frame, the bottoms of the first moving base and the second moving bases are each provided with a suction cup, an air pump is fixedly installed on the rear side of the top of the fixing base, and the air inlet end of the air pump communicates with the air ends of the suction cups through hoses. The fixing base, the suction cup and the air pump are used in cooperation, curtain wall glass can be sucked, so that the curtain wall glass can be moved and installed conveniently, meanwhile, under the condition that the moving assembly, the worm and the worm gear are used in cooperation, the using position of the suction cup can be adjusted, and the using effect is good. Therefore, the purposes of conveniently moving and mounting the curtain wall glass and adapting to the mounting of the curtain wall glass with different sizes can be achieved.

The utility model provides a kind of cassava processing is used to drill core device, it is related to cassava processing technical field, the utility model includes bottom plate, the side welding of bottom plate top has support plate, the top of support plate is equipped with electric telescopic handle, the fixed mounting of electric telescopic handle one end has drill bit, the bottom of drill bit is provided with operating plate, operating plate is welded in the side of support plate, the top of operating plate is equipped with discharge gate, the inner wall of operating plate is provided with auxiliary device, auxiliary device is replaced by setting placing plate hand of operating personnel, the utility model is sent to drill bit bottom or is removed from drill bit bottom by setting placing plate cassava block, so that in the process of taking cassava block, operating personnel's hand is always far away from drill bit, and then it is favorable to prevent improper operation to cause drill bit to fall down and cause damage to operating personnel's hand, the safety performance of drill core device can be improved.

The utility model relates to punching equipment technical field, and disclose a new energy automobile frame processing is with punching equipment, including numerical control laser cutting machine, the workbench of numerical control laser cutting machine places the locating disc, the lower extreme of locating disc is close to both ends place and rotates and installs the support shaft, the left and right both ends of support shaft all are fixedly installed with double conical roller, the front and back both ends of numerical control laser cutting machine all are fixedly installed with the baffle, the inside of slide groove all slide and install square bearing, the inside between square bearing all are fixedly installed with two -way screw rod, the mobile block between in the similar one end all are fixedly connected with the angle and resist piece. The device can be more labor -saving and fast to move to the workbench with the cooperation of double conical roller and track, and meanwhile can fix the same batch chassis frame on another set of locating disc in advance, realizes the feeding and discharging fast, avoids lifting to the workbench and then carries out the tedious tooling positioning operation, improves the efficiency of overall processing procedure.

The utility model discloses a kind of auxiliary positioning devices for wood corner nailing, including the fixed tube in the edge corner of plank: the surface of the fixed tube is fixedly connected with upper pressing plate, the surface of the upper pressing plate is slidably connected with lower pressing plate, the inner cavity of the upper pressing plate and lower pressing plate clamps wood corner, the wood corner is engaged at the edge corner of plank, the right side of the lower pressing plate is provided with elastic clamping assembly, the elastic clamping assembly includes fixed block fixedly connected in the right side bottom of lower pressing plate, the top of the fixed block is fixedly connected with slide rod. The utility model is provided with elastic clamping assembly, so that the upper pressing plate and lower pressing plate have the elastic extrusion force of moving towards each other, so that wood corner can be clamped on the surface of the upper pressing plate and lower pressing plate, then by the cooperation of threaded extrusion head, upper pressing plate and lower pressing plate, wood corner is stably attached at the edge corner of plank, that is, the purpose of stable and reliable attachment and convenient and efficient disassembly can be achieved.

The utility model belongs to floor drain technical field, specifically disclose a kind of magnetic suction type floor drain core, including core body, the cavity of being opened in core body is opened with the cavity of the upper and lower end being open, the inner wall of the cavity is integrally formed with baffle, baffle projects along the radial direction of cavity, baffle is opened with water outlet, and the bottom of baffle is fixed with the two support plates of interval distribution, two support plates project along the axial direction of cavity;Valve plate, one end of valve plate rotatably arranged between two support plate, and one end of valve plate is equipped with first magnetic attraction piece, the other end of valve plate is equipped with sealing element, sealing element can seal water outlet;Base, the base is buckled with two support plate buckle connection by buckle structure, base is clamped between support plate and the inner wall of cavity, and base is equipped with the second magnetic attraction piece of first magnetic attraction piece magnetic attraction cooperation, to limit and fixed effect of base, avoid its loose and produce abnormal sound.

The utility model provides a floating type side soil retaining plate device, which relates to the technical field of agricultural equipment and comprises a pair of mounting seats, the two mounting seats are symmetrically mounted on a power harrow, each mounting seat is rotatably provided with a revolving arm through a hinge shaft, an extension spring is arranged between each revolving arm and the power harrow, and the extension spring is connected with the power harrow through a hinge shaft. The two sides of the power rake are each fixedly provided with a supporting plate, each supporting plate is provided with a guide groove, the free end of each rotary arm penetrates through the corresponding guide groove and is fixedly provided with a connecting plate, and each connecting plate is detachably provided with a side soil retaining plate. According to the utility model, the floating operation of the side breast boards is realized, so that the damage of hard substances to the power harrow is effectively avoided, the service life of the power harrow is prolonged, and the operation efficiency of the power harrow is ensured.

This invention belongs to the field of welding fixtures and provides a handrail welding fixture, including: a fixture table; a positioning mechanism, an anti-detachment mechanism, and an auxiliary mechanism. The auxiliary mechanism includes a reference block, a first positioning bead, and a second positioning bead. On the reference block, a first reference surface is provided on the side opposite to the first positioning bead, and a second reference surface is provided on the side opposite to the second positioning bead. Both the first and second positioning beads are movably disposed within the reference block and can abut against the inner wall of a reference hole. Compared with the prior art, the advantage of this invention is that by using a single driving source to drive the first and second positioning beads against the inner wall of the reference hole, the first and second positioning surfaces are precisely fitted with the first and second reference surfaces, respectively. This ensures that the fixed block is accurately positioned and without deviation during welding, avoiding the impact of the reference block's own processing errors on the overall positioning accuracy of the fixed block. This significantly improves the welding positioning accuracy of the handrail and ensures consistent product quality.

The utility model discloses aggregate batching hopper of concrete mixing station separates baffle, including two lift baffle in the batching hopper inner chamber: the bottom fixedly connected with support frame of batching hopper, the top of lift baffle is provided with lifting assembly, lifting assembly includes the fixed frame fixedly connected in the top of batching hopper, the top fixed mounting of fixed frame has servo motor, the output shaft fixed connection of servo motor has screw rod, the top of lift baffle is provided with the fixed connection of lift baffle with screw pipe of screw pipe, the utility model discloses through the cooperation and use of batching hopper, support frame, discharge hopper and conveyer, to aggregate is batching delivery to the use under, under the cooperation and use of lifting assembly, to the lift baffle has played the lifting effect, thereby changed the space layout of batching hopper inner chamber, prevents the mixing phenomenon of different kinds aggregate simultaneously, can reach the purpose of effectively preventing aggregate not batching mixture and quick change batching hopper space layout.

The utility model discloses a stamping device for mobile communication equipment shell processing, including frame, the male die is movably installed on frame along vertical direction, the frame includes the fixed plate of fixed arrangement in the lower part, the fixed plate middle part is fixedly connected with fixed template, and the movable template of vertical sliding sleeve is set in the fixed template outside, the movable template and fixed template cooperation form the die cavity of containing male die. In the utility model, start second hydraulic rod, drive male die and move down along the column and enter the die cavity, and the material is clamped in it is carried out stamping forming, forms the communication equipment shell shape required, after stamping is completed, second hydraulic rod drives male die to rise, and separates from the die cavity, and first hydraulic rod starts reverse action, and the movable plate is pulled down, and the movable template falls along with, and separates with fixed template, and the contact of movable template to shell is relieved, and the shell is convenient to take out, avoids damaging thin wall shell.

The utility model discloses a continuous downhill road surface anti-skid structure which comprises a pre-buried trough plate pre-buried in a concrete cushion layer, a concrete buried layer is poured on the top of the concrete cushion layer, the pre-buried trough plate is buried in the concrete buried layer, an anti-skid assembly is arranged on the top of the pre-buried trough plate, and the anti-skid assembly is arranged on the top of the pre-buried trough plate. The anti-skid assembly comprises a connecting plate clamped to the top of the pre-buried trough plate, rubber protruding strips are fixedly connected to the two sides of the top of the connecting plate, a positioning plate is clamped to the top of the connecting plate, a cement mortar leveling layer is poured to the top of the concrete burying layer, and a plurality of anti-skid grooves are formed in the top of the cement mortar leveling layer in a cutting mode. The concrete cushion layer, the concrete burying layer and the positioning screws are matched for use, the pre-buried trough plate is pre-buried and fixed, under the matched use of the anti-skid groove and the anti-skid coating, the road has the anti-skid capacity, meanwhile, the anti-skid assembly is matched for use, an emergency anti-skid vehicle is formed, and the anti-skid effect is good. Therefore, the purposes of strong anti-skid capability and emergency anti-skid braking can be achieved.

This utility model discloses a corn flake pressing machine, including a shell. The top and one side of the shell have an inlet and an outlet, respectively. A sealing cover is installed at the inlet. A pair of guide blocks are fixedly connected to the inner walls of both top sides of the shell. A pressing assembly is located below the guide blocks. Insertion ports are opened on both top side walls of the shell, and scraping assemblies are installed inside the insertion ports. A pair of baffles are fixedly connected to the inner wall of the shell at the end away from the outlet. A conveying mechanism is installed in the bottom cavity of the shell. An exhaust vent is opened on the top surface of the shell near the outlet. An exhaust mechanism is installed at the top of the exhaust vent, and a dust collection plate with a dust collection net is installed at the bottom of the exhaust vent. This utility model can effectively clean corn residue adhering to the pressing roller body, prevent corn flakes from falling off the conveyor belt due to deviation during conveying, and effectively remove residual dust and other impurities inside the equipment.

The utility model provides a three-way ball valve, which relates to the technical field of ball valves, and comprises a three-way valve body, three ends of the three-way valve body are respectively welded with an internal thread bushing, the inner wall of the three-way valve body is rotatably provided with a valve rod, one end of the valve rod is fixedly provided with a hand wheel, and the outer surface of the hand wheel is provided with a limiting device. According to the hand wheel fixing device, the disc abuts against the bottom of the hand wheel, the hand wheel can be fixed through friction force between the disc and the hand wheel, meanwhile, the outer surface of the hand wheel can be shielded through the disc, and the hand wheel can be fixed through the limiting device; and even if the hand wheel is subjected to the external force, the hand wheel is fixed through the disc, the situation that the hand wheel is prone to rotating, and consequently the on-off and flowing conditions of fluid in the three-way ball valve are changed can be prevented, and normal use of the three-way ball valve is more convenient.

The utility model relates to the technical field of electronic precision dies, in particular to a cooling mechanism of a stamping die, which comprises a die holder and a die body, the top of the die holder is fixedly provided with the die body, the inner wall of the die body is fixedly provided with a cooling pipe, one side of the cooling pipe is provided with a liquid pumping pipe, and the other side of the cooling pipe is provided with a liquid discharging pipe. And the liquid pumping pipe extends to one side of the exterior of the mold body and is fixedly connected with the mold body, and a liquid pump is fixedly installed between the liquid pumping pipe and the mold body. The cooling pipe is filled with anti-rust cooling liquid, heat conducted out of the surface of the inner shell of the die body is consumed, and therefore the effect of dissipating and cooling the stamping die is achieved, the anti-rust cooling liquid can rapidly take away the heat on the stamping die, and the service life of the stamping die is prolonged. And through the arrangement of the cooling pipe in the spiral water way shape and the spraying holes, metal powder and residual release agents adhered to the surface of the inner wall of the mold body can be washed and cleaned online.

This invention relates to the field of air spring forming tool technology, specifically disclosing a radial multi-size air spring forming drum, including a push rod, a main shaft slidably connected to the outer surface of the push rod, the push rod sliding on the inner wall of the main shaft, a drive slider provided on the outer surface of the main shaft, flanges installed on both sides of the outer surface of the main shaft, the flanges being connected to the main shaft via threaded chucks, a drive slide rod provided between the flanges, the drive slider fitting against the drive slide rod, slide tracks equally spaced on the flanges, a main connecting rod and a secondary connecting rod connected at both ends of the drive slide rod, an outer tile installed at one end of the main connecting rod, an inner tile installed at one end of the secondary connecting rod, and stops installed on the flanges on both sides of the slide tracks; the circumferential extension and retraction of the forming drum tiles is completed by utilizing circumferentially rotatable tiles whose rotation center is not the center of the inner and outer tiles; the radial extension and retraction of the tiles is completed by utilizing the slide tracks, combining the circumferential and radial extension and retraction movements into one, thus completing the circumferential and radial movements of the forming drum.

The utility model discloses a sewage treatment's dosing device concretely relates to sewage treatment technical field, including soaking assembly, and the top of soaking assembly is provided with a plurality of limiting components, and the inner chamber of soaking assembly is provided with movable assembly, and soaking assembly includes soaking pool, and the both sides top of soaking pool inner wall all are provided with the sliding slot, and the top fixedly connected with the water inlet pipe of one side of soaking pool outer surface, and the water outlet is provided with the plug in the water outlet, and the bottom fixedly connected with the water diversion board in soaking pool. Solveed in the prior art, when carrying out sewage treatment, because need to put in medicine to mix sewage, the medicine of sewage can only purify the sewage in a certain area, therefore need to put the medicine for many times, and need to move the feeding device for many times, lead to the problem of more troublesome removal.

The application provides a safe photovoltaic mounting truss structure. The truss structure comprises support columns, a support truss and a plurality of photovoltaic panels. The support truss comprises fixed beams and movable beams. Two ends of the fixed beams are respectively connected with upper ends of two groups of support columns. The movable beams are arranged below the fixed beams. Each movable beam is rotatably connected with one of the support columns at one end and extends toward the middle of the truss at the other end and is connected with the fixed beams through a hinge. A driving assembly for driving the movable beams is arranged on each group of support columns. The middle of each photovoltaic panel is connected with the fixed beams through a first hinge rod. The two ends of each photovoltaic panel are respectively connected with the movable beams through second hinge rods. The first hinge rod is a telescopic rod. The application can ensure the stable lifting adjustment of the movable beams, effectively reduce the height of the driving motor for convenient maintenance and correction, ensure the safety of photovoltaic adjustment, effectively mount the photovoltaic panels above the greenhouse and reduce the installation requirements for the terrain.

The present application relates to a kind of arc plate quick clamping general tool, belong to machining manufacturing technical field.The tool includes the bottom plate for installing long guide rail, support plate is installed on long guide rail and with its sliding fit, fixed seat slide and short guide rail are installed on support plate, and part fixed seat and short guide rail sliding fit, support roller and corner cylinder are installed on fixed seat, support roller is installed on corner cylinder and is located above pressure roller, locking block for fixing the position of support plate on long guide rail and locking plate for fixing the position of fixed seat on short guide rail, by adjusting the position of support plate on long guide rail and the position of fixed seat on short guide rail, different size arc plate can be clamped.The tool structure of the present application is simple, easy to assemble and disassemble, and has strong versatility, can quickly realize the effective clamping of different size arc plate, improve the processing efficiency, reduce the processing cost, and has good application prospect in arc plate processing field.

The utility model provides a high-frequency heat-seal hand bag sealing machine, which relates to the technical field of sealing machines and comprises a base, an operation table is fixedly mounted at the top of the base, an L-shaped plate is fixedly mounted on one side of the top of the base, an air cylinder telescopic rod is mounted at the top of the L-shaped plate, and a pressing plate is fixedly mounted at one end of the air cylinder telescopic rod. A limiting device is arranged at the top of the operation table, and the limiting device is used for limiting a hand bag by arranging two auxiliary plates with a plurality of idler wheels to abut against the hand bag on the operation table. The auxiliary plates drive the multiple rolling wheels to move downwards, the bottoms of the rolling wheels abut against the outer surface of the hand bag, the multiple auxiliary plates with the rolling wheels can limit the hand bag on the premise that movement of the hand bag is not hindered, and the hand bag can be prevented from moving on the operation table.

The utility model discloses an electrical equipment maintenance device which comprises a maintenance platform, a rotatable supporting platform is arranged at the top of the maintenance platform, a circular groove matched with the supporting platform is formed in the top of the maintenance platform, the bottom of the supporting platform is fixedly connected with a rotating column, the rotating column is rotationally connected with the maintenance platform, and the supporting platform is fixedly connected with the rotating column. And the bottom of the rotating column is fixedly connected with a rotating disc, the rear side of the top of the maintenance table is fixedly connected with a detection panel, and the top of the inner cavity of the maintenance table is fixedly connected with a fixed shell. The maintenance platform and the supporting platform are used in cooperation, electrical equipment is placed, meanwhile, the angle and the position of the electrical equipment are changed under the cooperation of the rotating column and the rotating disc, meanwhile, the adjusted angle and the adjusted position are limited and locked under the cooperation of the locking assembly, and the maintenance platform is convenient to use. Therefore, the maintenance position of the electrical equipment can be adjusted conveniently, and wiring and maintenance of a user are facilitated.

The utility model discloses laser interception unmanned aerial vehicle countering equipment which comprises a base, and universal wheels are fixedly connected to the four corners of the bottom of the base. Through the cooperation of the base, the universal wheels, the mounting port, the mounting plate, the electric push rod and the brake plate, the device can flexibly move to different positions so as to meet the requirements of different scenes, can be stably fixed after reaching a designated position, avoids displacement during working, drives the rotating disc to rotate through the gear motor, and improves the working efficiency. Further, the radio jammer main body and the laser striker main body on the loading frame can rotate in the horizontal direction, the countering range is expanded, the rotating motor drives the detection radar main body to rotate, omnibearing unmanned aerial vehicle detection can be realized, the probability of finding a target is improved, and the detection efficiency is improved. And meanwhile, the radio jammer main body, the laser impactor main body and the detection radar main body are integrated on the loading frame, so that the equipment is compact in structure, the occupied area is reduced, and unified control and operation are facilitated.

This utility model discloses a cutting device for processing sandpaper base paper, including a cutting panel. A support frame is fixedly connected to the bottom of the cutting panel. A limit mechanism is fixedly connected inside the support frame. A roller frame is fixedly connected to one side of the cutting panel and the support frame. A support base is fixedly connected to the bottom of the support frame. A support plate is fixedly connected inside the support frame. A controller is fixedly connected to the bottom of the support plate. Telescopic rods are fixedly connected to the top of the support plate. A top plate is fixedly connected to the top of the four telescopic rods. A pitch-changing mechanism is fixedly connected to the bottom of the top plate. Several cutting machines are fixedly connected to the bottom of the pitch-changing mechanism. A cutting machine is fixedly connected to the top of the cutting panel. This utility model effectively prevents the base paper from shifting during conveying and cutting, ensuring cutting quality. At the same time, it flexibly adjusts the cutting width, can quickly respond to different specification requirements, eliminates the need for cumbersome manual operation, and greatly improves the equipment's adaptability to diverse products.