180results about How to "Easy to slide" patented technology

This invention discloses a device and method for sewing curved sheets with varying diameters on a flat knitting machine, belonging to the field of textile machinery technology. The device includes a curling mechanism and a sewing mechanism; the curling mechanism includes a variable-diameter cylindrical device and a matching holding mechanism. The variable-diameter cylindrical device includes an inner cylinder and an outer cylinder, which expand or contract synchronously via corresponding telescopic connecting rods and a central spindle. The holding mechanism is controlled by an electromagnet, achieving precise holding of the curved sheet by switching the magnetic pole direction. Through the curling and sewing mechanisms, this device expands the fan-shaped curved sheet from a two-dimensional to a three-dimensional structure during rotation, while simultaneously achieving automatic edge sewing of the curved sheet. The inner cylinder can move axially relative to the outer cylinder, allowing the sewn curved sheet to automatically detach from the outer cylinder. This invention simultaneously achieves gripping, curling, expansion, alignment, and demolding, and is suitable for sewing curved sheets with varying diameters on both sides.

The present application provides a kind of cellulose fiber and its preparation method, first NMMO aqueous solution is heated and stirred, and cellulose raw material is added to the prepared NMMO aqueous solvent, and heated and stirred;Then the blend after swelling is dissolved by stirring and vacuumizing, and then the obtained cellulose solution is continuously heated and stirred, while adding spinning aid, after stirring, centrifugal spinning dope is obtained, finally the obtained spinning dope is injected into syringe, and cellulose filament is spun at low temperature by push pump.The method can reduce the temperature of cellulose spinning relative to the spinning method of NMMO water system, and can effectively reduce the energy consumption of industrial production of cellulose fiber, and the method is obvious at low cellulose concentration, which has great economic advantage in the differentiation production of lyocell fiber.

This utility model relates to the field of building construction technology and discloses a high-efficiency material lifting device for building construction. It includes a support frame, a motor mounted at the bottom, a lifting base and a material cart in the middle, and limit plates on both sides of the top. Two sets of first and second gears, connected by rotating rods, are rotatably mounted on the bottom and back sides of the support frame, respectively. These gears mesh with a chain, and the motor drives the first gear to rotate, which in turn drives the chain to lift the base. Slide rods are mounted on both sides of the support frame. Multiple sets of pulleys are rotatably mounted on both sides of the mounting plate of the lifting base and slidably connected to the slide rods, serving as guides and limiters. The lifting base includes a mounting plate, connecting blocks, pulleys, etc. A slot seat is rotatably mounted between the mounting plates. The material cart slides into the slot seat via a slider. A locking device is located at the top of the slot seat. By moving a lever, a connecting rod is moved, causing a pin to slide within a limit sleeve, engaging with the opening of the material cart's insertion rod to fix the material cart, ensuring safe and stable material lifting.

The utility model relates to the technical field of fishing raft frames, and discloses an anti-wave type fishing raft frame supporting pipe fitting which comprises a connecting piece, a positioning cylinder is fixedly installed outside the connecting piece, a supporting pipe is fixedly installed inside the connecting piece, a stabilizing pipe is fixedly installed inside the connecting piece, a positioning mechanism is arranged outside the supporting pipe, and the stabilizing pipe is fixedly installed inside the connecting piece. And a limiting mechanism is arranged outside the connecting piece. Through the arrangement of the positioning columns and the positioning holes, the positioning work of the positioning seats is facilitated, subsequent quick positioning of the buoys is facilitated, the distance between the buoys is conveniently controlled according to actual requirements, displacement of the positioning seats and the buoys is avoided, under the cooperation of the rope bundling grooves, the bundling ropes are limited, displacement of the bundling ropes is avoided, the stability of the buoys is ensured, and the service life of the buoys is prolonged. The stud and the positioning seat are installed in a threaded mode, the guide plate can conveniently slide in a sliding groove formed in the positioning seat, the pressing plate can conveniently press the binding rope downwards by rotating the stud, and therefore the binding rope is tensioned.

The invention relates to the technical field of eye examination, in particular to an eye examination auxiliary device which comprises supporting legs, a supporting frame is fixedly mounted at the top ends of the supporting legs, a supporting table is fixedly mounted at the top end of the supporting frame, an optometry unit body is arranged at the top end of the supporting table, and handrails are symmetrically and fixedly mounted on the side wall of the supporting table. By controlling the rotating direction of the motor, the height of the bottom support can be automatically adjusted, a to-be-inspected person can align two eyes to the optometry window conveniently, the adjusting mode is simple, compared with manual adjustment, the operation time can be saved, the adjusting efficiency can be improved, meanwhile, the worm gear and the worm can be lubricated, abrasion between the worm gear and the worm can be reduced, and the working efficiency is improved. The installation and disassembly mode of the optical lens fixed through cooperation of the spring and the clamping piece is simple, the optical lens on the installation frame can be conveniently taken down to be cleaned, use of the optical lens can be guaranteed, and the situation that the optical lens is dirty and influences the optometry effect is avoided.

This invention relates to the field of polymer materials technology, specifically disclosing an environmentally friendly processing aid for polyolefins and its preparation method. The environmentally friendly processing aid for polyolefins includes a first component and a second component. The first component includes an antioxidant-modified oligomer A, and the second component is obtained by extrusion granulation of oligomer B, an organosilicon polymer, and a catalyst. By weight, the amounts of each component are: oligomer A 1-10 parts, antioxidant 0.1-2 parts, oligomer B 5-40 parts, organosilicon polymer 5-80 parts, and catalyst 0.1-5 parts. The processing aid of this invention does not contain perfluorinated or polyfluoroalkyl compounds. When used in the processing of polyolefins, it has advantages such as low addition amount, short onset time, good viscosity reduction effect, and effective improvement of product gloss. Furthermore, it can effectively form a dynamic lubricating layer on the surface of metal walls.

The utility model relates to a mechanical part storage related technical field especially relates to a part storage frame for machining, including frame body, the frame body is composed by frame and partition board, the compartment between frame and partition board is provided with intermediate storage subassembly, the compartment both sides between frame and partition board are provided with side storage subassembly, and side storage subassembly is equipped in the both sides of intermediate storage subassembly. The utility model discloses the storage groove bottom surface of intermediate storage subassembly is inclined plane, and the height of open side is lower than the height of closed surface, and the part is in the storage groove and is relied on the gravity of self open side sliding, and the staff is convenient to take, and the storage box has six groups, satisfies the storage demand of different size parts, and the storage tray of side storage subassembly can rotate around the axle column, and the smaller size parts are conveniently classified and stored, improve the convenience of using, and the fixed plate of side storage subassembly and sliding plate can protect the storage tray and the function of auxiliary access parts.

The utility model discloses a fixing fixture for an anti-floating anchor rod, and relates to the technical field of mechanical engineering, a second through column is arranged outside the anchor rod, a stable holding mechanism is assembled in the second through column, a power assembly is assembled in the second through column, the stable holding mechanism comprises a plurality of first connecting rods, and the first connecting rods are connected with the first connecting rods. The side end of each first connecting rod is fixedly connected with a second connecting rod, the side end of each second connecting rod is fixedly connected with a hinge block, the side end of the second through column is fixedly connected with a fourth through column, and the side end of each first column block is arranged at the side end of the fourth through column. According to the mechanism, the mechanical transmission principle is adopted, a traditional fixing clamp for the anti-floating anchor rod is improved, the stability of the traditional fixing clamp for the anti-floating anchor rod for fixing the anti-floating anchor rod is improved through an additional structure, when the hole diameter is too large, the anchor rod is inserted, the phenomenon of cavities or non-uniformity in the grouting process can be prevented, and the grouting quality and the anchoring effect are improved.

The utility model relates to die -cutting machine technical field, concretely is a kind of flat die pressurizing equipment for paperboard processing, including die -cutting machine body, the one side of die -cutting machine body is provided with rack A and rack B, the one side of rack A is provided with mould, the inside of mould is provided with buffer device, buffer device includes chute, the inside of chute is provided with guide rod, the outside of guide rod is provided with guide plate, the outside of guide plate is provided with sliding bar and frame. The flat die pressurizing equipment for paperboard processing, through the cooperation of chute, guide rod and guide plate, it is convenient for the effect of frame sliding, through the side of frame is provided with sliding block, it is convenient for the effect of moving frame sliding, through the support spring of adding, it is driven the effect of moving frame reset, through the cooperation of fixed frame and moving frame, it is convenient for the effect of support rod rotation.

This invention provides a liquid metal-based thermal grease, its preparation method, and its application. The liquid metal-based thermal grease comprises the following raw materials in parts by weight: 100 parts liquid metal, 2-5 parts silicone oil, 0.1-20 parts thermally conductive powder filler, and 0.1-3 parts other additives. The high-reliability liquid metal-based thermal grease provided by this invention possesses excellent high thermal conductivity, high processability, and high reliability. It can replace traditional thermal grease to solve the heat dissipation and cooling problem of high-power chips, thereby extending the lifespan of electronic products.

This utility model relates to a filter press mechanism and a filter press, including a support arm and filter plates. A connecting seat is fixed to one side of the filter plate, and a guide wheel is movably connected to one end of the connecting seat. A guide groove is formed on the surface of the support arm, and the guide wheel is embedded in the guide groove and can slide along its length. A support frame is fixed to the surface of the support arm, and a limiting member is provided on the surface of the support frame. The limiting member fixes the position of the guide wheel relative to the guide groove. Through the design of the support arm and the limiting member, during the process of pushing multiple filter plates against the surface of the support arm to make them fit together, the guide wheel can roll within the corresponding guide groove. This facilitates the sliding of the filter plates. Simultaneously, because the center of gravity of the filter plates is designed to face downwards, tilting will not occur, maintaining the fit during subsequent pressing.

The application discloses a model box for vibration test of a stepped reinforced soil retaining wall and belongs to the technical field of vibration test model boxes, which comprises a bottom plate, a side plate detachably installed on the bottom plate, a plurality of U-shaped plates slidably installed on the side plate, two arms of the U-shaped plate slidably installed on two opposite side walls of the side plate, a stepped cavity formed by splicing the plurality of U-shaped plates and the side plate, an upper cavity and a lower cavity of the stepped cavity, a cover plate slidably installed on the U-shaped plate at the top of the lower cavity and used for closing the lower cavity, a threaded hole arranged on one arm of the U-shaped plate, a screw threadedly connected in the threaded hole, an accelerometer detachably installed on the screw, and the U-shaped plate comprising a U-shaped part and a connecting part connected with two arms of the U-shaped part. The model box for making a model and the vibration test model box are integrated, so that the stability of the model in the vibration test and the accuracy of the vibration test result are ensured.

The utility model discloses a liquid cooling unit propelling slide plate assembly solves the technical problem that liquid cooling unit is difficult to carry in long and narrow cabinet body, and propelling slide plate assembly includes support main part, pulley set and adjusting structure, the both sides of support main part are provided with inclined track groove, and the axle of pulley set is connected with large pulley through track groove, and support main part side surface is equipped with a plurality of small pulleys, adjusting structure drives pin through handle structure, and in turn drives connecting horizontal shaft, connecting vertical shaft and wheel connecting axle, makes the axle along inclined track groove remove, realizes the height adjustment of pulley set from the ground, the utility model discloses through the pulley cooperation inclined track groove of big and small, can adjust the height from the ground of liquid cooling unit flexibly, realizes the accurate positioning and safe carrying of propelling slide plate assembly drive liquid cooling unit in liquid cooling cabinet body, and effectively solves the installation problem of heavy liquid cooling equipment.

The utility model discloses a network repeater mounting structure for an unmanned aerial vehicle, which is used for mounting a network repeater and comprises a mounting plate, two fixing plates are mounted on the side surface of the mounting plate, a first rotating column is mounted on the two fixing plates, a first hinge arm is mounted on the first rotating column, a second rotating column is mounted at one end of the first hinge arm in a penetrating manner, and the second rotating column is mounted on the other end of the first hinge arm. A second hinge arm is rotatably mounted on the second rotating column, an extension plate is mounted on the front side of the bottom end of the second hinge arm in a hinged mode, a wedge-shaped groove is formed in the front side face of the extension plate, a wedge-shaped plate is slidably mounted in the wedge-shaped groove, and a support is mounted on the front side face of the wedge-shaped plate. According to the utility model, the action of the wedge-shaped groove on the extension plate is utilized, so that the repeater main body can be moved horizontally left and right and can also extend upwards or downwards to any position, the position of the repeater main body can be changed under the condition that the repeater main body is not disassembled, and the direction of a connection port on the repeater main body can be changed at will; and the operation is convenient.

The utility model relates to building engineering plastering technical field, concretely discloses a kind of aluminium membrane thin plastering layer thickness control device, including base, the upper surface of base is equipped with symmetrical fixed plate, the side surface of two the fixed plate mutually close is all set with sliding slot, the inside of two the sliding slot is all slidably connected with sliding block, the side surface of two the sliding block mutually close is commonly equipped with adjusting mechanism, the back of adjusting mechanism is equipped with plastering mechanism, adjusting mechanism includes fixed frame, the front of fixed frame is equipped with threaded hole, the inner wall of threaded hole is threadedly connected with locating screw, the rear end of locating screw is fixedly embedded with bearing. By the cooperation of sliding slot and sliding block, the fixed frame can be slid up and down, by the cooperation of locating screw and threaded hole, the distance between the aluminium membrane plastering board and the wall surface can be easily adjusted, the effect of controlling the plastering thickness is achieved, the uniformity of plastering is improved, and the overall quality of plastering is improved.

This utility model belongs to the field of injection molding material feeding technology and discloses a material feeding device for injection molds, including an injection tube, a feeding box connected to the injection tube, a crushing box installed at the top of the feeding box, a crushing mechanism installed inside the crushing box, a protective frame fixed to the inner wall of the feeding box, and a filter screen movably connected thereto. This utility model utilizes the upward movement of the telescopic end of an electric push rod to move a baffle plate together, releasing the obstruction of the feeding pipe, further causing the connecting rod to pull the filter screen upwards. The electric push rod can reciprocate to control the baffle plate to move up and down, facilitating the swinging of the filter screen and allowing the plastic to slide downwards. This allows the plastic accumulated on the filter screen to slide into the feeding pipe and finally into the feeding cylinder. Then, the operation of the motor drives the auger conveyor rod to rotate, conveying the plastic falling into the feeding cylinder upwards. Finally, the plastic is poured back into the space between the two crushing rollers through the discharge pipe for crushing.

The application relates to the technical field of bathroom products, and provides a water outlet switching structure, which comprises a water inlet seat, a limiting disc, a first elastic piece, a water outlet seat and a plurality of pressing assemblies; the limiting disc is limited to slide in the water inlet seat, a plurality of limiting grooves are arranged on the limiting disc at intervals along the circumferential direction of the limiting disc; the first elastic piece is arranged between the water inlet seat and one end of the limiting disc; the water outlet seat is arranged on one side of the water inlet seat and is provided with a plurality of water outlet holes; the pressing assembly comprises a limiting rod, a button and a second elastic piece; the limiting rod is slidably connected to the water outlet seat and penetrates one end to block the water outlet hole; one end of the limiting rod, which is close to the limiting disc, is provided with a first chamfer and is provided with an embedding groove; the button is arranged at the end of the limiting rod, which is away from the first chamfer; and the second elastic piece is arranged between the limiting rod and the water inlet seat. Based on the above, the water outlet mode can be conveniently switched. In addition, a shower head is also provided.

The utility model provides a centrifugal dehydrator for kitchen waste, and belongs to the field of solid-liquid separation of kitchen waste. The problem that residual juice splashes in the working process of an existing kitchen waste centrifugal dehydrator is solved. The device comprises a shell rack, a dewatering cylinder and a driving motor, a feeding port is formed in the top of the shell rack, a horizontal support is arranged in the shell rack, the driving motor is arranged on the horizontal support, the top of the driving motor is connected with the dewatering cylinder, the dewatering cylinder comprises a material receiving disc, an inner cylinder and a filter cylinder, the top of the inner cylinder is connected with the material receiving disc, and the inner cylinder is connected with the filter cylinder. The inner-layer cylinder is connected with a driving motor through a shaft sleeve, a filter cylinder is arranged outside the inner-layer cylinder, a feeding port is formed in an upper end opening of the filter cylinder, the feeding port is located over the material receiving disc, a plurality of blades which are evenly distributed in the circumferential direction are arranged at the top of the inner wall of the filter cylinder, and a plurality of rows of holes are evenly distributed in the surface of the filter cylinder. The kitchen waste dehydrator is mainly used for dehydrating kitchen waste.

The utility model discloses an assembly type steel structure beam column connecting piece which comprises a fixing base, the fixing base is connected with a stand column through a plurality of connecting bolts, an upper cover plate is arranged at the upper end of the fixing base, a lower cover plate is arranged at the lower end of the fixing base, a screw rod is rotationally connected between the upper cover plate and the lower cover plate, and a sliding base is connected into the fixing base in a sliding mode. One side of the sliding seat is in threaded connection with the screw rod; a connecting base is arranged on one side of the fixing base and comprises two sets of symmetrically-arranged connecting plates, a clamping groove is formed between the two sets of connecting plates, a web of the cross beam is placed in the clamping groove, a plurality of first connecting holes corresponding in position and size are formed in the connecting plates and the cross beam, and the cross beam is connected with the connecting plates through connecting bolts. The height deviation of the connecting pieces on the two stand columns is compensated through movement of the sliding seats, it is ensured that connection between the cross beam and the stand columns can reach the accurate position required by design, the problem of stress concentration caused by connection deviation is effectively avoided, and the reliability and stability of connecting nodes are improved.

The utility model belongs to deck chair technical field, especially relates to a support foot linkage of folding deck chair and support mechanism, including bed body and be used for supporting the support frame of bed body, the bed body includes the seat frame and backrest that can be relatively folded, and the support frame is arranged on the seat frame, and the support foot is rotationally arranged on the backrest, and the transmission connecting rod is between the support foot and the seat frame, and the transmission connecting rod is rotationally connected with the support foot and the seat frame respectively, the backrest is controlled and is unfolded with the seat frame, and the transmission connecting rod can drive the support foot and the backrest to unfold oppositely, thereby making the support foot can support the backrest, the backrest is controlled and is folded with the seat frame, and the transmission connecting rod can drive the support foot and the backrest to fold oppositely and draw together, the transmission connecting rod is telescopic link, or, a plurality of installation sites are set up on the transmission connecting rod and are connected with the support foot and the seat frame, the utility model's purpose lies in providing a support foot linkage of folding deck chair and support mechanism that is stable in structure and is convenient to store and transport.

This utility model discloses a fiber optic transceiver for computer network equipment, relating to the technical field of easily pluggable computer network equipment. It includes a transceiver with data transmission ports installed on both sides of its front end. Multiple fiber optic pins are equidistantly installed inside each data transmission port. Multiple indicator lights are equidistantly arranged in the center of the front end of the transceiver, and a wiring hole is installed on one side of the rear end. A limit structure and a connection structure are installed inside the data transmission ports. This utility model, through the cooperation of a first control ring and a second control ring, facilitates the sliding of the limit block, allowing the connector to smoothly connect to the data transmission port. The cooperation of the connecting rod and the spring allows the limit block to automatically reset and lock the connector, preventing it from loosening after insertion. This structure solves the problem of easy loosening of existing fiber optic transceivers for computer network equipment after fiber optic connection.

The utility model relates to a preservative film rewinding device. A second guide inclined plate is matched with a moving assembly to facilitate replacement of a rewinding drum, when the rewinding drum is replaced, a reciprocating lead screw controls a rewinding structure to move to a preset position, an electric push rod controls a moving plate to move in the direction of the second guide inclined plate, a second limiting inclined block pushes a connecting block, a Y-shaped supporting frame in the vertical state inclines, and the rewinding drum is replaced. After the rewinding drum slides into the clamping groove, an electric push rod controls a movable plate to be away from a second guide inclined plate, when a torsional spring is reset, a Y-shaped supporting frame is synchronously driven to be reset to be in a vertical state, the electric push rod drives the movable plate to move towards the rewinding structure, and then the rewinding drum is driven to move towards the rewinding structure; and through cooperation of the second guide inclined plate, the moving assembly and the rewinding structure, the rewinding barrel can be automatically replaced.

The utility model discloses integrated circuit package substrate package detection bearing device, specifically related to integrated circuit detection technical field, including detection box body, its inside end surface's downside is equipped with the bearing base, the outside of bearing base upper end is equipped with the bearing station, the middle part of bearing station lower extreme is equipped with the support connecting rod, the lower extreme of support connecting rod is equipped with the spherical support block, the upper end of bearing base is equipped with the compression block. The utility model discloses actually use, through the corresponding setting state of spherical support block, concave adaptation slot, compression block, locking lug and locking bolt, can install locking bolt and compress the block tightly in the upper end of bearing base, thereby can conveniently spherical support block in the inside of concave adaptation slot sliding, in the support state of support connecting rod and spherical support block to bearing station, can conveniently bearing station carries out the adjustment of different angle and direction.

The utility model discloses a sliding chain stable structure and sliding chain relates to sliding chain technical field, in order to solve the problem that the existing sliding chain end part is led to the easy bending deformation, the unstable sliding and the tooth easy damage of tooth part separation, the sliding chain stable structure is used to set up on the sliding chain, and the sliding chain includes female chain and subchain, and at least one end of female chain and / or subchain is equipped with stable structure, and the stable structure includes several sub body teeth, and at least partial connection is arranged between two adjacent sub body teeth, so that several sub body teeth are connected as an integral structure, so setting can significantly reduce the bending deformation of sliding chain end part in the use process because of the external force action or deformation, improve the sliding stability and reliability of sliding chain, and protect the tooth from being damaged.

The invention discloses a spring assembling device for a switch, which comprises a console arranged on the ground, a spring box for storing a spring and a support rod box for storing a support rod, an assembling mechanism for assembling the spring and the support rod is fixed on the console, the spring box is connected with a first flow guide part, and the support rod box is connected with a second flow guide part. The splicing mechanism comprises a disc rotationally connected with the control table, a first gun body used for conveying the springs discharged from the first flow guide part into the through hole, a second gun body used for conveying the supporting rods discharged from the second flow guide part into the through hole, a roller, a detector and a push rod used for driving the spliced spring structures to be discharged out of the disc. The disc is further provided with a plurality of through holes allowing the springs and the supporting pieces to be placed therein, the first gun body communicates with a first air pump for reducing the air pressure in the first gun body, and the second gun body communicates with a second air pump for reducing the air pressure in the second gun body. The mounting device has the effects of saving human resources and improving the mounting efficiency of the spring structure.

The utility model provides a kind of boiler superheater piping anti-abrasion structure, it is related to anti-abrasion structure technical field, including outlet pipe, fixed communication has fixed mouth on outlet pipe, further including adjustable anti-abrasion component, adjustable anti-abrasion component includes the anti-abrasion tile of sliding connection on outlet pipe, anti-abrasion tile is fixedly connected with spring, slidingly connected with fixed frame on outlet pipe, slidingly connected with built-in frame in fixed frame, built-in frame is slidingly connected with the block of pushing, fixedly connected with threaded block on block of pushing, fixedly connected with twist block on threaded block, block of pushing is connected with fixed frame, tile resets in the utility model in spring effect, density reduces, reduces thermal resistance to improve heat exchange efficiency, avoid energy efficiency bottleneck, this design improves the flexibility of structure to flue gas dust content, flow rate and other working condition changes, solves the limitation that fixed tile cannot dynamically adjust.

This utility model relates to the field of quick-release base technology and discloses a quick-release base device for a detachable and assembleable desk lamp. The device includes a base, an adjustment and mounting assembly on the top of which is a lamp stand. The magnetic locking assembly includes a limiting ring, an inner connecting block, a first magnetic arc plate, a second magnetic arc plate, a magnetic docking post, a magnetic docking post, a locking rod, and a ring magnet. This quick-release base device for a detachable and assembleable desk lamp, through the magnetic locking assembly, allows the magnetic slider to push the magnetic docking post backward until it makes contact with the front of the magnetic docking post. At this point, the limiting ring aligns with the locking rod, and inserting the locking rod achieves final locking. Utilizing a dual-mode locking structure of magnetic attraction and snap-fit, it enables quick and stable installation, facilitates disassembly, is easy to use, and prevents slight slippage, ensuring normal operation.

The invention discloses an electric power detection system with a good heat dissipation effect. The electric power detection system comprises a box body, a display screen is embedded in one side of the box body, a conductive device is embedded in one side of the box body, electronic elements are arranged in the box body, a fixing device and a cooling and heat dissipation device are arranged at the bottom of the inner wall of the box body, heat dissipation holes are formed in one side of the box body, and a heat dissipation and dust removal device is arranged in the box body. The conductive device comprises a square interface embedded in one side of the box body, an adjustable clamping part arranged in the square interface, and a plugging part arranged on the outer wall of the box body; the cooling and heat dissipation device comprises a supporting column arranged at the bottom of the inner wall of the box body, a rotating piece located on one side of the supporting column, a rotating driving part arranged on one side of the supporting column and a sliding part arranged on one side of the rotating piece. The heat dissipation and dust removal device comprises a heat dissipation component, a U-shaped mounting frame, a filter screen and a dust removal component. According to the electric power detection system, cooling and heat dissipation can be conveniently carried out on the electronic element body in the device and the detection interface of the device, and the heat dissipation effect of the device can be conveniently improved.