354results about How to "Effectively fixed" patented technology

The utility model provides a sheet metal part laser cutting anti -deformation support frock belongs to sheet metal processing technical field, including moving mechanism, including support frame, the universal wheel of fixed connection in support frame bottom, the mounting bracket of fixed connection in support frame inner wall, the top drive air cylinder of adaptive installation in support frame side wall, fixed mechanism, including the mounting plate of fixed connection in mounting bracket side wall, the installation mouth of opening in mounting plate side wall, the clamping seat of fixed connection in mounting plate inner wall, the fixed frame of fixed connection in clamping seat side wall. The utility model discloses through the setting of moving mechanism and fixed mechanism, has realized the adaptive fixing of different size, shape sheet metal part, and moving mechanism adopts universal wheel and top drive air cylinder combination, has guaranteed frock's nimble movement and has ensured the stability when working, and fixed mechanism passes through the cooperation of adjusting assembly and clamping assembly, utilizes the accurate positioning of small -size sheet metal part of top block driven by top drive air cylinder.

The present application belongs to the technical field of glass fiber sizing agent, and particularly relates to an anti-creep glass fiber sizing agent and a preparation method thereof. The anti-creep glass fiber sizing agent comprises effective components and water, and the solid content of the anti-creep glass fiber sizing agent is 3-12%. The effective components comprise the following components according to weight percentage: maleic anhydride modified long-chain branched polyolefin wax 65.5-86.9 wt.%, coupling agent 5-10 wt.%, nucleating agent 1-8 wt.%, physical cross-linking component 5-12 wt.%, initiator 0.1-0.5 wt.%, and surfactant 2-4 wt.%. The present application can effectively solve the problem of insufficient anti-creep ability of the glass fiber reinforced polypropylene material in the prior art, and at the same time, the material has good mechanical properties and fatigue resistance, which plays an important role in improving the long-term dimensional stability of the polypropylene material.

The utility model discloses an adjustable television connection hanger belongs to television installation equipment technical field, including wallboard, adjusting arm, hanging board, connecting plate, crosspiece and hook adapter, the wallboard is connected with the hanging board through adjusting arm, the connecting plate is fixed in one side of hanging board, the crosspiece is two, two crosspiece symmetry is installed in the connecting plate, the hook adapter is two, and is installed with the inner hook on the hook adapter, the hook adapter cooperation inner hook is installed on the crosspiece, be equipped with the pitch adjusting bolt on the inner hook, two extension rods are movably connected in the crosspiece, the bottom of crosspiece is fixed with a plurality of cable fixer. This adjustable television connection hanger not only reduces the transportation cost, guarantees the stability after television installation simultaneously, and is suitable for different size television, and can effectively fix cable.

This utility model relates to a steel structure support base, including a base plate, a column insertion tube at the upper end of the base plate, a support column inserted into the column insertion tube, pouring rods at the four corners of the base plate, and support plates on both sides of the bottom end of the base plate. This utility model relates to the field of steel structure technology. This steel structure support base first pours concrete into pre-embedded holes opened in the ground. Before the concrete dries, the pouring cylinder at the bottom end of the support plate and fixing anchors are inserted into the concrete to fix the support plate. Then, the base plate is placed on top of the support plate, and the pouring rod is screwed into the pouring cylinder, forming a pre-embedded hole for secondary pouring. This reduces the impact of concrete expansion after drying on the base plate and pouring rods, thereby reducing the possibility of the base plate shifting during pouring, which could lead to the support column shifting, thus improving the ease of base installation.

This utility model relates to the field of filling machine technology, and in particular to a nasal spray bottle holder mechanism, including a fixed base, a rotating disk, a bottle holder body, and a gripper mechanism. The bottle holder body includes sliding grooves on both sides inside the bottle holder body. The sliding grooves are slidably connected to sliding pins of the gripper mechanism. The sliding pins are fixedly connected to grippers via connecting blocks. The grippers are rotatably connected to rotating shafts on both sides of a pressure plate. The pressure plate is fixedly connected to the rotating shafts. The outer side of the pressure plate is fixedly connected to a guide post via a guide block and a second limiting block. The rotating disk has several mounting positions around its perimeter. The bottle holder body is detachably connected to each mounting position. Thus, this utility model allows the bottle holder body to be replaced according to different models of filling bottles. During filling, the gripper mechanism automatically locks the filling bottle, fixing it and preventing shaking.

The utility model discloses a kind of necking machine gear bearing bracket structure, including flange mounting disc, shell, installation slot, bearing;The right side of the shell is provided with the interface mechanism of quick supplementary lubricating oil;The bearing between the shell is provided with the O-ring that is adapted to high-speed operation condition and facilitates lubrication, O-ring is provided with guide vane, fixed mechanism, guide vane is respectively arranged above O-ring, fixed mechanism is arranged between O-ring and shell.The function of the utility model is to provide elastic buffer between bearing and bracket, reduce the wear and tear of bearing and bracket inside, reduce the equipment failure problem caused by wear and tear;And this kind of mode can effectively fix O-ring and bearing, and the mode structure is simple and practical, applicable to the bearing bracket of high-speed operation, and high reliability;Guide vane cooperates interface mechanism to lubricate the bearing inside bracket without opening shell, and this mode is simple and efficient, saves time and effort.

The utility model discloses a kind of machining toolings for arc groove and arc surface spare parts, including tooling base, support key block is equipped on the tooling base, the upper side of support key block is slidably connected with limit slider, the length direction both sides of limit slider are respectively connected with side plate, and the side wall of side plate is abutted to support key block;The side surface of support key block width direction is also connected with baffle, locking bolt is equipped on the baffle, and locking bolt is abutted to limit slider by passing through the baffle;Limit shaft hole is also equipped on the tooling base, and the side of limit shaft hole away from the side where baffle is arranged.This machining tooling simple structure, easily install and use, by the setting of limit slider and limit shaft hole, the positioning and fixing of the spare part to be processed placed on tooling base can be more conveniently carried out, and it is favorable to the processing of arc groove to spare part to be processed, and the finish machining of outer peripheral contour.

The utility model discloses a tippler riding wheel transfer device, which relates to the technical field of tippler, and comprises a riding wheel main body and a placement plate, a position control shaft is arranged on the inner wall of the placement plate, a power swing rod is arranged on the outer circumferential surface of the position control shaft, a linkage moving plate is arranged at one end of the power swing rod, and a positioning structure is arranged at one end of the linkage moving plate. A guide rail is arranged on one side of the placement plate, and a position control sliding block is arranged on the outer wall of the guide rail. Through the arrangement of the placement plate, the position control shaft, the power swing rod, the linkage moving plate, the position control clamping plate, the mounting sliding plate, the position control sliding block, a guide rail, a threaded flat plate and a limiting bolt, the effect of conveniently transferring the riding wheel main body can be effectively achieved, and the problem that the riding wheel main body is difficult to assemble and disassemble due to the fact that the riding wheel main body is heavy and inconvenient to move is solved; and the riding wheel main body can be moved out of a working position and transported to a designated area during maintenance, replacement or overhaul.

This invention relates to a method for in-situ synthesis of visible light photocatalytic geopolymers from vanadium-containing solid waste. The technical solution is as follows: vanadium-containing solid waste is ground into powder, and the resulting vanadium-containing solid waste powder is mixed with vanadium pentoxide powder. The resulting vanadium-containing geopolymer precursor is mixed with an alkaline activator and stirred evenly to obtain a vanadium-containing geopolymer slurry. The vanadium-containing geopolymer slurry is placed in a mold, cured, demolded, cured a second time, and crushed to obtain a crushed vanadium-containing geopolymer. The crushed vanadium-containing geopolymer is mixed with deionized water to obtain a vanadium-containing geopolymer aqueous solution. Bismuth nitrate solution is added to the vanadium-containing geopolymer aqueous solution, mixed evenly, and the pH value is adjusted. A hydrothermal reaction is then carried out. Solid-liquid separation, washing, and drying are performed to obtain the visible light photocatalytic geopolymer. This invention can efficiently utilize low-vanadium content and completely eliminate vanadium. The in-situ synthesis of visible light photocatalytic geopolymers from vanadium-containing solid waste not only effectively decomposes organic pollutants under visible light conditions but also effectively fixes vanadium in the vanadium-containing solid waste.

The utility model belongs to the technical field of egg transportation, particularly relates to an egg breakage-proof transportation box, and provides the following scheme aiming at the problems that in the using process of an existing transportation box, the positions of eggs cannot be effectively fixed, so that the eggs shake in the transportation process, the risk of breakage is increased, and the eggs are inconvenient to take and place quickly, the egg breakage-proof transportation box comprises a box body, a lifting handle is fixedly mounted at the top of the box body, a plurality of sliding openings are formed in the outer side of the box body, pulling plates are slidably mounted in the sliding openings, and handles are fixedly mounted on the outer sides of the pulling plates; the number of the placing plates is multiple, and the multiple placing plates are installed on the multiple pulling plates in a sliding mode correspondingly; in the using process of the egg storage box, the positions of eggs can be effectively fixed, the eggs are prevented from shaking in the transporting process, the damage risk is reduced, the eggs can be conveniently and rapidly taken and placed, the structure is simple, and using is convenient.

This utility model discloses a bending device for producing aluminum hook-and-loop plates, including a base, a groove, a mounting frame, a hydraulic rod, and a forming protrusion. The groove is formed on the top of the base, the mounting frame is fixedly installed on both sides of the top of the base, the hydraulic rod is fixedly installed on the top of the mounting frame, and the forming protrusion is fixedly connected to the output end of the hydraulic rod. Auxiliary disassembly frames are provided on both sides of the top of the base. This utility model, by setting up auxiliary disassembly frames, auxiliary wheels, and a pushing assembly, allows the formed part to move forward after the workpiece is extruded, and the auxiliary wheels inside the auxiliary disassembly frames assist in the movement of the formed part. This facilitates the user's disassembly of the formed part, solving the problem that the device lacks an auxiliary disassembly structure, requiring the user to manually remove the workpiece from the top of the base after extrusion, resulting in time-consuming and labor-intensive disassembly and reduced bending efficiency.

The utility model relates to the technical field of target switching devices, and discloses an automatic target switching device which comprises a fixing base, a connecting table is fixedly connected to the side wall of the fixing base, an arc-shaped sliding groove is formed in the connecting table, a motor is fixedly connected to the interior of the connecting table, and the output end of the motor is fixedly connected with a rotating frame. A moving assembly is arranged on the side wall of the connecting table and comprises a side rail, the side wall of the side rail is fixedly connected to the side wall of the connecting table, the side wall of the side rail is slidably connected with a sliding table, and a sliding shaft is slidably connected into the sliding table. According to the utility model, the rotating stand rotates and drives the connecting shaft to slide in the arc-shaped chute, and the sliding process of the connecting shaft drives the sliding block to move synchronously, so that the sliding shaft slides in the sliding table and pushes and pulls the sliding table at the same time, and the sliding table horizontally slides on the side wall of the side rail; and the sliding process is matched with a clamping structure at the top to realize automatic switching of the top target.

The utility model discloses a rotary guide core-pulling structure capable of shortening an injection molding period, and relates to the technical field of injection molds. Comprising a bottom die main body, the bottom die main body is provided with a guide core-pulling mechanism used for an injection mold, the guide core-pulling mechanism comprises a rotating assembly and a fixing block arranged on the side wall of the bottom die main body, and a locking block is connected with a locking groove in a clamping mode, so that a connecting block can be effectively fixed; the connecting block is prevented from moving due to pressure fluctuation of the hydraulic rod or other factors, so that stable meshing of the gear rod and the annular gear is guaranteed, high pressure in the injection molding process is effectively resisted through rigid locking, displacement of the mold core is prevented, and the forming precision of precise structures such as threads is guaranteed; the energy is saved, the action time is shortened, locking and unlocking operation can be achieved by rotating the screw, and the device is simple, convenient and easy to control.

The utility model relates to the technical field of buildings, and discloses a positioning device for building water supply and drainage construction, which comprises a bottom plate, supporting legs are fixedly connected to the outer surface of the bottom plate, limiting rods are fixedly connected to the tops of the supporting legs, and a fixing plate is fixedly connected to the tops of the limiting rods. The second motor serves as a power source to drive the whole transmission structure, under meshing of the worm and the worm gear, the rotating shell is driven to rotate, the rotating frame rotates at the same time, and therefore the fixing rod is driven to rotate around the fixing column, a pipeline is fixed through the positioning block, and the pipeline is fixed through the lifting mechanism. Through operation of the structure, the accuracy and firmness of pipeline fixing are driven, and therefore the beneficial effects that pipelines with different pipe diameters and shapes can be effectively positioned in the water supply and drainage construction, the pipelines are prevented from shaking or displacing in the construction process, and the construction accuracy and safety are guaranteed are achieved.

The utility model relates to tunnel engineering technical field, more particularly, a kind of convex shell tunnel drainage plate with flow guide device, it include: catchment strip, catchment unit, water barrier, water guide groove, drainage plate and drainage blind pipe, the catchment unit is evenly provided with multiple catchment strips in, the catchment unit is provided with multiple;The water barrier is provided with multiple, the water barrier bisects the catchment unit;The water guide groove is set between adjacent two the catchment unit, the water guide groove is perpendicular to the water barrier setting;The drainage plate surface is provided with the catchment unit, the water barrier with the water guide groove;The drainage blind pipe is set in the side of the drainage plate, the drainage blind pipe is perpendicular to the water guide groove setting, water inlet is provided on the drainage blind pipe.The utility model can quickly lead out hole outside by groundwater through tunnel side ditch, it is not easy to cause siltation in water-rich surrounding rock paragraph, and drainage mode is efficient and fast.

This utility model belongs to the field of vital sign monitoring technology, specifically a convenient comprehensive internal medicine vital sign monitoring device, including a vital sign monitoring shell; a handle is fixedly connected to the top side wall of the vital sign monitoring shell; a movable block slides on the inner wall of the bottom of the vital sign monitoring shell; a support plate is rotatably connected to the inner wall of the end of the movable block; an air hole is opened on the side wall of the support plate; multiple suction cups are fixedly connected to the bottom of the support plate; a circular plate is slidably connected to the middle of the support plate; an insertion rod slides through the bottom of the support plate; the top of the insertion rod is fixedly connected to the bottom of the circular plate; and an air hole is opened on the top of the suction cup. Through the cooperation of the support plate, suction cups, air hole one, air hole two, spring two, circular plate and insertion rod, the vital sign monitoring shell can be effectively fixed when placed on a platform, reducing the risk of displacement or tipping due to minor external vibrations or collisions, and improving its stability.

The utility model discloses a cement mortar jolt ramming device, relates to the technical field of cement mortar jolt ramming, and solves the problems that the existing cement mortar jolt ramming device is poor in locking effect when fixing a test mold, the test piece is not firm enough to fix, and the jolt ramming quality of the test piece is further influenced, the cement mortar jolt ramming device comprises a machine body, a vibrating plate, a fixing mechanism and a pressing mechanism, the fixing mechanism comprises a placing plate fixedly installed on the vibration plate, two transverse clamping plates symmetrically installed on the placing plate and two longitudinal clamping plates symmetrically installed on the transverse clamping plates, the pressing mechanism comprises a pressing frame hinged to the vibration plate, and one end of the pressing frame is fixedly connected with a connecting lug; a locking groove is formed in one end of each connecting lug, a fixing block is fixedly connected to one side of the top of the vibration plate, a stud is hinged to the interior of the fixing block, and a locking nut is in threaded connection to the stud. According to the utility model, through the arrangement of the fixing mechanism and the pressing mechanism, the locking effect of the test mold can be improved, and the compaction quality is ensured.

The invention discloses a preparation method of a magnetic covalent immobilized enzyme carrier. The preparation method comprises the following steps: adding polyethyleneimine into a silicon-coated Fe3O4 microsphere dispersion liquid to obtain modified Fe3O4 microspheres; and dispersing the modified Fe3O4 microspheres in a solvent, adding dialdehyde cellulose, and reacting to obtain the magnetic covalent immobilized enzyme carrier. Amino groups of the modified Fe3O4 microspheres and aldehyde groups of dialdehyde cellulose can be subjected to condensation reaction to generate Schiff base groups, and the Schiff base groups and unreacted aldehyde groups, amino groups and other groups act together, so that enzyme is effectively fixed on the surface of a magnetic carrier. The preparation method of the magnetic covalent immobilized enzyme carrier is simple in process, easy in reaction control and operation and low in operation cost, and has the advantages of high enzyme loading capacity of the immobilized enzyme carrier, high biocompatibility, good dispersion effect, good stability, immobilized enzyme activity recovery and the like.

The utility model relates to the technical field of forearm positioning tools, in particular to a forearm neutral position fixing device which comprises a supporting part, a holding assembly is arranged at one end of the supporting part in a sliding mode, a bandage is connected to the top of the supporting part, the supporting part comprises a bottom plate, arc-shaped plates are installed on the two sides of the bottom plate, and an inserting hole is formed in one end of the bottom plate. The holding assembly comprises a sliding plate, the sliding plate is matched with the inserting hole in an inserted mode and locked and fixed through a locking bolt, and a handheld part is installed on the top of the sliding plate. According to the forearm neutral position fixing device, due to the sliding fit design of the supporting component and the holding assembly, a user can flexibly adjust the holding position according to self requirements, stable fixing is achieved through the locking bolt, and it is ensured that the forearm is always kept in the neutral position in the moving process. In addition, the bottom plate ensures that the device is firm and durable; and the pad effectively relieves skin discomfort and pressure pain caused by long-time wearing.

This utility model discloses a quick-release structure for an external mount device for a drone, including a mounting plate, a first fixing plate, and a locking component. The first fixing plate is fixedly connected to the lower end of the mounting plate, and two fixing posts are fixedly connected to the upper end of the first fixing plate. Springs are sleeved on the outer walls of the fixing posts. A first groove is formed through the upper end of the mounting plate, and a stop block is slidably disposed on the inner wall of the first groove. The lower end of the stop block is fixedly connected to the spring. A mount is slidably disposed on the upper end of the mounting plate, and a locking component is disposed at the lower end of the stop block. This utility model allows for quick mounting and dismounting by pressing the stop block to compress the spring until its upper surface is flush with the mounting plate. Then, the mount is placed on the upper end of the mounting plate, and by moving it horizontally to the left, the stop block engages with the storage box, thus limiting the vertical movement of the mount. Releasing the stop block allows it to reset under the action of the spring, limiting the right end of the mount. This effectively secures the mount and enables quick mounting and dismounting.

The utility model discloses a leather cutting machine partition adsorption structure which comprises a rack, a cutting panel is arranged at the top of the rack, a plurality of adsorption holes are formed in the cutting panel, an air pipe is arranged below the cutting panel, the air pipe is externally connected with a vacuum pump, and the air pipe corresponding to the adsorption holes is connected with the bottom face of the cutting panel through a branch air pipe. An air cylinder is arranged corresponding to each branch air pipe, the output end of each air cylinder is connected with a partition plate, and the partition plates can stretch into the ends of the branch air pipes to open or close the branch air pipes. The vacuum adsorption mode is adopted for fixing the dermis, damage to the dermis is small, obvious traces or tensile deformation cannot be left on the surface of the dermis, the original state and quality of the dermis can be well kept, the vacuum adsorption type dermis fixing device can adapt to dermis of various shapes and sizes, and regular rectangles or irregular shapes can be effectively fixed.

The utility model discloses a pill packaging barrel which comprises a barrel cover and a barrel body, and the barrel cover and the barrel body are combined in a covering mode. An adapter is arranged at the bottom in the barrel body, is matched with the head of a projectile in shape and is used for axially fixing the projectile; a shock pad and a buffer ring are arranged in the barrel cover, the shock pad is arranged between the inner bottom of the barrel cover and the end face of the tail of the projectile, the buffer ring is arranged on the inner side wall of the barrel cover, and the tail of the projectile is arranged in the buffer ring in a penetrating mode. The bullet packaging barrel is reasonable in structure, can effectively fix the bullets and carry out all-around buffering and damping protection on the bullets, has good sealing performance, meets the requirements of bullet transportation and storage, ensures the safety and integrity of the bullets in the storage and transportation process, and has high practical value.

The utility model discloses an integrated electric energy meter module plug connector convenient to install, and belongs to the technical field of plug connectors, the integrated electric energy meter module plug connector convenient to install comprises a fixing plate and a plug board, fixing strips are symmetrically and fixedly installed on the sides of the fixing plate, sliding grooves are longitudinally formed in the side walls of the fixing strips, two sliding blocks are fixedly installed on the side wall of the plug board, and the two sliding blocks are fixedly installed on the side wall of the plug board. The sliding blocks are clamped into the sliding grooves in a sliding mode. A mounting hole is formed in the inner wall of the fixing strip, a spring is fixedly mounted on the inner wall of the mounting hole, a pull rod is slidably inserted into the mounting hole, the inner wall of the tail end of the spring is fixedly connected to the outer wall of the pull rod, a clamping plate is fixedly mounted at the tail end of the pull rod, and the clamping plate slidably extends into the sliding groove; a clamping groove is formed in the side wall of the sliding block, and the clamping plate is matched with the clamping groove. Compared with the prior art, the device can conveniently and rapidly install the integrated electric energy meter module, and meanwhile, the installation stability of the integrated electric energy meter module is further improved.

The application discloses a quartz piece vacuum adsorption fixing device and relates to the technical field of quartz piece processing. The quartz piece vacuum adsorption fixing device comprises an adsorption table, the adsorption table comprises a pedestal, a funnel cavity formed in the interior of the pedestal, a table plate fixedly connected to the top end of the pedestal, a mosquito coil-shaped spiral channel formed in the interior of the table plate, a catheter fixedly connected to the side surface of the table plate and in communication with the outer end port of the spiral channel, rubber through strips inserted into the spiral channel and the catheter, and a plurality of air channels uniformly formed in the interior of the table plate along the spiral path of the spiral channel, and the middle part of each air channel is in communication with the spiral channel. By selectively blocking or opening some air channels through the movement of the rubber through strips, the size range of the quartz piece to be fixed can be matched with the unblocked air channels, the type changing time of the adsorption table is greatly shortened, the equipment investment cost is reduced, and the production efficiency is improved.

The utility model relates to the technical field of lifting microphones, and provides a microphone lifter structure which is characterized by comprising a fixed base, a microphone, a lifting mechanism arranged at the top of the fixed base and used for carrying out lifting adjustment on the microphone, and a locking mechanism arranged in the lifting mechanism and used for locking the microphone. And the locking mechanism is used for locking the position of the lifting mechanism after the microphone is adjusted. A motor drives a gear to rotate, the gear rolls on a toothed plate, a linkage sliding rod slides on a sealing cylinder and is used for conducting lifting adjustment on a microphone, an electric telescopic rod pushes a movable plate to move forwards, a lock rod moves forwards to be inserted into a lock hole in a hole plate, and when the lock rod is pushed forwards, the microphone is locked. The linkage driven rod slides on the fixing plate, so that the locking rod is pushed forwards more stably, the microphone subjected to lifting adjustment is effectively fixed, the microphone is effectively prevented from falling down in the use process, and the stability of the microphone is improved.

The utility model provides a novel heat insulation material installation connecting assembly, and relates to the technical field of building material installation accessories. The connecting and fixing assembly is composed of a connecting and fixing plate and a self-tapping screw arranged on the heat insulation plate, a limiting screw rod is arranged below the connecting and fixing plate, a sleeve is arranged above the self-tapping screw, and the self-tapping screw is slidably connected to the limiting screw rod through the sleeve. The connecting fixing plate is matched with the self-tapping screw on the heat insulation plate, related parts can be effectively connected, the limiting screw can limit the position and prevent deviation, the self-tapping screw slides on the limiting screw through the sleeve, installation and debugging are convenient, the position can be flexibly adjusted, it is ensured that all the parts are tightly connected, and the overall reliability and practicability are improved.

The application discloses a kind of electric vehicle double battery switching endurance methods.The application is independently set by lead-acid battery group, lithium battery group on electric vehicle, respectively configure exclusive independent control switch, corresponding switch is manually operated and is started and stopped operation by key, the independent on-off and switching use of two groups of batteries are realized, the battery functions of two electric vehicles are combined, the endurance capability of electric vehicle is significantly improved.The method avoids existing automatic switching, parallel switching and other technologies, adopts pure manual independent switching mode, the structure is simple, convenient to operate, switching logic is clear, and endurance capability can be doubled through test verification, and through specific switch linkage design avoids circuit conflict in switching process, solves the drawbacks that double battery switching in existing technology is prone to power supply anomaly and cannot be switched stably, and is suitable for various electric bicycles, electric motorcycles and other electric vehicle models.

The invention belongs to the technical field of magnetic resonance coils, and particularly relates to an integrated bilateral ankle joint magnetic resonance coil integrating an ankle fixing function, the integrated bilateral ankle joint magnetic resonance coil comprises a magnetic resonance coil and a coil plate, and the magnetic resonance coil is fixedly connected in the coil plate; a pedal plate is connected to the coil plate in a sliding manner; two sides of the coil plate are respectively connected with a width adjusting plate in a sliding manner; two fixing frames are fixedly connected to the pedal plate; the fixing frame is rotationally connected with a double-thread rod, and two threads on the double-thread rod are arranged to be opposite. According to the size of the foot of a currently detected patient, a doctor adaptively rotates a double-threaded rod, the double-threaded rod rotates to synchronously drive two width adjusting plates to be close to or far away from each other through two length adjusting assemblies, after adjustment is completed, the positions of the two width adjusting plates are fixed to a coil plate, the two width adjusting plates clamp and fix the foot of the patient, and the width adjusting plates are fixed to the coil plate. The width of feet of different patients is adapted; the position of the pedal plate is also adjusted through the length adjusting assembly, and the device adapts to the thicknesses of feet of different patients.