75results about How to "Easy to mount" patented technology

The utility model discloses an electric power transmission line lead hanging device which comprises a main frame, the top end of the main frame is fixedly connected with an adjusting frame, the top end of the adjusting frame is provided with a lead hanging frame, the lead hanging frame comprises a supporting frame, the bottom end of the supporting frame is fixedly connected with a buckle plate, bolts are distributed on the two sides of the buckle plate, and the bolts are connected with the adjusting frame. An adjusting frame is clamped to the bottom face of the buckle plate, a hanging ring is arranged at the top end of the supporting frame, and a rubber ring buckle is attached to the inner wall of the hanging ring. When the wire hanging device is used for hanging transmission line wires, the wires can be buckled through the soft rubber ring buckles attached to the inner walls of the hanging rings, the operation and placement process is convenient and fast, a user can directly buckle the wires to the inner walls of the hanging rings for positioning, the distances and carding of the multiple sets of wires are kept through the multiple sets of hanging rings, the transmission line wires are stably arranged, and the wire hanging device is convenient to use. And dismounting and replacement can be carried out through the buckle plate structure at the bottom end, so that the whole device frame body does not need to be replaced, and the application range of wire positioning is widened.

The utility model discloses a clinical tumor chemotherapy pump portable protective device in the technical field of medical instruments, which comprises a box body and a chemotherapy pump body, the inner side of a sleeve is connected with a connecting rod in a sliding manner, the surface of the connecting rod is fixedly provided with a limiting block, a spring is sleeved on the surface of the connecting rod, the surface of the connecting rod is fixedly provided with a connecting block, and the connecting block is fixedly connected with the box body. One side of the connecting block is fixedly connected with one end of a spring, one end of the connecting rod is fixedly connected with a clamping plate, and one end of the connecting rod is fixedly provided with a connecting plate. Through the arranged box body, the chemotherapy pump body is inserted into the box body to be placed, and the protection effect on the chemotherapy pump body is improved; according to the chemotherapy pump convenient to use, the sleeve, the connecting rod, the limiting block, the spring, the connecting block, the clamping plate and the connecting plate are arranged, so that a chemotherapy pump body in the box body can be conveniently clamped and fixed, the stability of the chemotherapy pump in the using period is improved, and the situation that the chemotherapy pump shakes when a patient moves, and the liquid medicine infusion speed is affected is avoided.

The invention discloses an auxiliary hook for transporting spacers by using an unmanned aerial vehicle. Relates to the field of unmanned aerial vehicle transportation hooks. An existing unmanned aerial vehicle hoisting system often lacks specialized design for spacer transportation, so that certain operation difficulty and safety risks exist in practical application. The spacer hanging hook comprises a hook body, a buckle and a guide connecting piece, the upper end of the buckle is elastically and rotatably connected with the hook body, the buckle and the hook body form a closed cable hanging hook hole which can be pressed open downwards, and the lower portion of the hook body is provided with a lower lifting rope connecting hole used for lifting a spacer. The lower end of the guide connecting piece is connected to the upper end of the hook body, an upper lifting rope connecting hole is formed in the upper end of the hook body, and the guide connecting piece is provided with a guide side used for guiding and straightening the axial direction of the hook body to be consistent with the axial direction of a cable. The auxiliary hook can be used for conveniently transporting the spacer and hanging the spacer on a cable of a power transmission line through an unmanned aerial vehicle.

The present invention discloses an extreme high power density cylindrical linear motor, comprising a frame, a cylindrical primary assembly, a secondary assembly, a connecting piece, a hanging piece and a friction pair sliding piece; the frame comprises a primary mounting assembly, a long strip-shaped beam and a hanging piece; there are two primary mounting assemblies, which are respectively sleeved on the two ends of the primary assembly, the secondary assembly is sleeved in the middle of the primary assembly, and there are two long beams, which are symmetrically mounted on the upper and lower ends of the two primary mounting assemblies; a vertical hollow structure is arranged on the end face of the long beam close to the primary assembly, a horizontal hollow structure is arranged in the middle of the long beam, the hanging piece is embedded in both sides of the long beam, and grooves for placing the friction pair sliding pieces are also provided on the left and right side surfaces of the hanging piece, so that the winding utilization rate is high; the secondary is a cylindrical iron core with an embedded permanent magnet structure, which does not need to be powered by wires, so that it is easy to install and convenient to be hung with an execution structure; the motor has a small volume and weight and has a high thrust density.

The invention relates to a nuclear power plant standard package management method and system, a storage medium and equipment. The method comprises a creation step: S11, determining a standard package type to start a corresponding standard package creation page, and receiving standard package related content information input by a preparation engineer through the standard package creation page; and S12, according to a creation completion instruction input by the preparation engineer, storing the current standard package creation page. And S13, hooking the standard package with the corresponding outline maintenance item to update the outline maintenance item association table. And S14, initiating an examination and approval process for the standard package, and taking effect of the standard package when the examination and approval are passed. According to the method, comprehensive configuration of information of each plate of the standard package can be realized, mounting of outline maintenance projects and calling of orders are facilitated, the working efficiency is improved, and standardized and standardized management of the standard package is realized.

The utility model discloses a clothes rack for clothes production, and belongs to the technical field of clothes racks. Comprising two bases, supporting columns are arranged at the tops of the bases, mounting plates are arranged at the tops of the supporting columns, the bases, the supporting columns and the mounting plates are symmetrically arranged, an adjusting column is arranged between the two supporting columns, a telescopic hanging frame is arranged between the two mounting plates, and supporting legs are slidably arranged at the two ends of the bases through connecting rods; an adjusting assembly is arranged on the base; the height of the supporting columns can be conveniently adjusted through the adjusting assemblies so that clothes of different lengths can be hung, the width of the supporting legs can be adjusted through the matched connecting rod assemblies, supporting of the supporting legs is more stable, and after use, the supporting legs are not prone to falling off. The supporting height and the supporting legs are contracted to the minimum range through the adjusting assemblies, and the whole supporting device is contracted to the minimum size by being matched with the arranged adjusting columns, so that the supporting device is convenient to store, and the occupied space is reduced.

The invention relates to the technical field of power equipment, and discloses a wire arrangement device for a power grid power transmission and distribution line, which comprises a middle support frame, a plurality of connecting frames are arranged on the support frame at intervals along the circumferential direction, and locking hooks capable of being adjusted along the length direction of the connecting frames are arranged on the connecting frames. In an initial state, the locking hook is in contact with one end, far away from the supporting frame, of the connecting frame to form a locking space, and during working, the locking hook is adjusted to be far away from the connecting frame to form a threading channel; according to the invention, the distance between the locking hook and the wire can be shortened by sliding the locking hook out of the connecting frame for adjustment, so that the convenience of hanging the wire arrangement device and the wire is met, and meanwhile, the potential safety hazard is reduced.

The application relates to the elevator car technical field and provides a multifunctional handrail device in a car, which comprises a connecting plate connected with a car side wall and a handrail body arranged on the connecting plate, a telescopic mechanism is vertically arranged on one side end face of the connecting plate, the handrail body is arranged at the end of a telescopic shaft of the telescopic mechanism, a pressure sensing strip is arranged on the side end face of the handrail body away from the telescopic mechanism, two opposite light-sensing photoelectric sensors are symmetrically arranged on the top end face of the handrail body along the length direction of the handrail body, and a plurality of mobile hooks are arranged between the two opposite light-sensing photoelectric sensors on the top of the handrail body; a clutch mechanism movably connected with the handrail body is arranged in the mobile hook, the two opposite light-sensing photoelectric sensors are electrically connected with the clutch mechanism, and the pressure sensing strip is electrically connected with the telescopic mechanism. The handrail body is telescopic, the pressure of personnel pressing is detected through the pressure sensing strip, the distance between the handrail body and the mounting side wall is adjusted by controlling the telescopic mechanism, the handrail function is realized, and the occupation of the car space can be flexibly avoided.

The utility model discloses an outdoor family affair storage cabinet with hole containing storage plate belongs to the technical field of storage cabinet. Outdoor family affair storage cabinet with hole containing storage plate, including cabinet body and a plurality of cabinet doors hinged on the surface of cabinet body, the inside fixed of cabinet body is used for the vertical baffle and cross partition of dividing storage area, the inside be provided with the hole containing storage plate for the mounting of small tool of cabinet body, the hole containing storage plate is located vertical baffle one side, the inside be provided with the adjusting assembly for adjusting the storage space size of cabinet body, the adjusting assembly includes a plurality of layer boards for placing tool, the layer board is installed in the inside of cabinet body through two first support beam, the utility model discloses through setting adjusting assembly, under the action of first support beam and second support beam, the height of a plurality of layer boards is adjusted, thereby the size of storage space is adjusted, through setting a plurality of support block, thereby the layer board is supported again, improves the bearing strength of layer board.

This invention relates to a multi-hook fishing device, comprising a main line and multiple detachable multi-hook line assemblies spaced apart from and connected to the main line. Each multi-hook line assembly includes a connecting rod connected to the main line and a sub-line assembly connected to the connecting rod. One end of the connecting rod is provided with a V-shaped line-holding groove for attaching to the main line. By providing the V-shaped line-holding groove, the multi-hook line assembly can be easily attached to or detached from the main line, with fast attachment and detachment speeds, and convenient adjustment of the position of the multi-hook line assembly on the main line.

The invention belongs to the related technical field of prefabricated buildings, and particularly discloses a prefabricated concrete superposed beam prefabricated building structure which comprises a stand column and supporting beams, mounting seats are arranged on the three faces of the outer side of the stand column, the number of the supporting beams is three, and connecting pile heads are fixedly mounted on the outer sides of the two ends of the three supporting beams. Wherein one connecting pile head is fixedly connected with the outer side of the corresponding mounting seat, triangular seats are arranged between every two adjacent mounting seats, connecting and pressing assemblies are arranged on the outer sides of the triangular seats, U-shaped beams are arranged on the two sides of the supporting beam, and hanging assemblies are arranged at the two ends of the two outer sides of each U-shaped beam. The stability can be enhanced when the lifting device is installed on the stand column, the connectivity between the lifting device and the stand column can be enhanced, and the lifting device can be matched for lifting in the construction process.

The utility model belongs to the technical field of live working appliance application, and particularly discloses a drainage wire fixing rod, which comprises an insulating rod, a circular transition connecting part, a U-shaped hanging head, a transition connecting block, a first transverse U-shaped clamping seat, a second transverse U-shaped clamping seat, a movable clamping plate, a circular fixing part, a fixing pin, a fixing block with a screw groove, a fastening screw rod, an anti-skid rotating part and the like. The drainage wire fixing rod has the advantages that the overall structural design is reasonable, the drainage wire fixing rod can be conveniently and stably hung on a main drainage wire, meanwhile, the drainage wire clamping part is designed to be of a movable opening and closing structure, the drainage wire can be conveniently and firmly clamped and fixed, the drainage wire does not slide or swing in a large range, and the drainage wire fixing rod is convenient to use. And the use requirements of safe hot-line work are met.

The utility model discloses a gun type device for hanging a 500kV ground wire, which belongs to the field of drip irrigation emitter design, and is characterized by comprising a launching tube and a supporting tube, a storage device and a launching device are arranged in the launching tube, a ground wire is stored in the storage device, the ground wire is fixed on a cable after being launched by the launching device, a sighting device is arranged at the side part of the launching tube, and the sighting device is connected with the supporting tube. A grounding claw is arranged at the end of the grounding wire, a trigger for controlling the launching device is arranged on the side portion of the launching support, a rotating wheel for controlling the storage device is arranged on the side portion of the launching tube, a prefabricated hole for the grounding wire to stretch out is formed in the side portion of the launching tube, and an auxiliary handle for a worker to grasp is arranged on the side portion of the launching tube. Compared with the prior art, the grounding wire hanging device has the advantages that the grounding wire hanging is more convenient, the operation time is greatly shortened, the grounding wire hanging efficiency is improved, the safety distance is kept when a worker hangs the grounding wire, and in addition, the grounding wire is more convenient to store due to the arrangement of the storage device.

The present invention relates to the technical field of prefabricated toilets, specifically to a prefabricated rock slab waterproof and moisture-proof toilet wall and floor structure, comprising a plurality of wall panels and a floor, wherein the wall panels and the floor both comprise a layer of board and a layer of rock slab, and adjacent wall panels are connected with a hidden connection component embedded therein; the hidden connection component comprises a reference block and an embedded block, and grooves for installing the reference block and the embedded block are respectively provided on one side of two adjacent wall panels, and a self-tapping screw with one end movably penetrating the reference block is installed between the reference block and the embedded block, and the gap between the reference block and the embedded block and the wall is filled with a waterproof adhesive strip, and the reference block comprises a square block. The present invention solves the problem that the existing prefabricated toilets occupy a large space on the ground and the wall, and also reduce the aesthetics of the prefabricated toilets, and the problem that the bolts need to be tightened during assembly to fix the connectors to the wall and the plate, resulting in greater difficulty in assembly.

The application provides an aircraft release device. The aircraft release device comprises a first trolley and a second trolley, a rope is connected between the first trolley and the second trolley, the first trolley and the second trolley each comprise a trolley frame, a support frame and a counterweight, the trolley frame is provided with wheels at the bottom; the support frame is hinged to the trolley frame, the support frame is provided with a first end and a second end respectively located on the two sides of the hinge center of the support frame, the front end and the rear end of the aircraft are configured to be hung to the first end of the support frame of the first trolley and the first end of the support frame of the second trolley respectively; the counterweight is connected to the support frame, when the support frame is hung to the aircraft, the second end of the support frame abuts against the upper surface of the trolley frame under the action of the counterweight, so as to prevent the second end of the support frame from rotating towards the first direction by the trolley frame; after the support frame releases the aircraft, the first end of the support frame tilts towards the first direction under the action of inertia. The application provides an aircraft release device with high safety.

The utility model discloses a new energy box transformer m type busbar structure, especially be applicable to large capacity wind power box type substation low voltage unit, it includes A phase copper bar, B phase copper bar, C phase copper bar, A phase hangs and connects cable row, B phase hangs and connects cable row, C phase hangs and connects cable row, horizontal insulator, vertical insulator, and each phase copper bar includes the export copper bar I of upper and lower settings, export copper bar II, export copper bar III, and export copper bar I, export copper bar II, export copper bar III are connected with insulator fixed beam through horizontal insulator, wherein export copper bar I, export copper bar II, export copper bar III are arranged at interval after the lower end of bending, and constitute m shape from the side angle, and the arrangement of this kind of structure can greatly reduce the use amount of copper bar and auxiliary material, reduce the fixed point required by busbar etc. while reducing product cost, save the installation space, and reduce the cost.

The application discloses a kind of unmanned aerial vehicle air-to-ground precision projection device based on dam inspection, belong to unmanned aerial vehicle mounting equipment technical field.Installation module is used to detachably fix the entire device to the bottom of unmanned aerial vehicle body;Storage module is connected with installation module, for storing material to be projected;Vector emission module is connected with installation module, and is connected with the discharge end of storage module, for receiving the material delivered by storage module, and controlling the emission vector of material;Trajectory solution module is respectively connected with vector emission module and the flight control system of unmanned aerial vehicle, for solving emission parameter according to real-time pose information, target position information and environmental parameter of unmanned aerial vehicle, and controlling the vector emission module executes projection.The present application solves the defects of existing device mounting inconvenience, storage confusion, large projection error, etc., can be widely used in emergency identification, medicament delivery or marker laying in dam inspection, improve the efficiency and accuracy of inspection.

The utility model relates to the technical field of exhibition display racks, and discloses an exhibition display rack which comprises a bottom support, a transmission rod is rotatably connected to the center of the top side of the bottom support, a transmission plate is fixedly connected to the top end of the transmission rod, and exhibition plates are hinged to the left side and the right side of the transmission plate. According to the display device, the insertion bolts and the insertion holes are arranged, the vertical positions of the six hook plates are manually adjusted according to different sizes of parts of different exhibits, after adjustment is completed, the insertion bolts are sequentially inserted into the insertion holes, and the insertion bolts are inserted into the insertion holes in sequence; at the moment, the inserting bolt and the inserting hole are matched to position the hook plate after the position is adjusted, so that product parts with different sizes can be conveniently hung, the use limitation is reduced, popularization and use are facilitated, meanwhile, the hung parts can be conveniently rotated by utilizing the rotatability of the transmission rod, and the practicability is high. Therefore, a more comprehensive exhibition effect can be achieved.

The utility model relates to the technical field of falling protectors, in particular to a falling protector which comprises a falling protector body, a connecting mechanism is installed on the top of the falling protector body, a connecting rope is arranged on the top of the connecting mechanism in a sleeved mode, a first hook is fixedly connected to the top of the connecting rope, and the connecting mechanism comprises a fixing base. A groove is formed in the top of the fixing seat, a vertical rod is fixedly connected to an inner cavity of the groove, a limiting rod is movably connected to the top of the vertical rod, and a hanging rod is fixedly connected to the top of the fixing seat. According to the anti-falling device, the connecting rope is conveniently hung on the surface of the hanging rod, the connecting rope and the hanging rod can be conveniently detached and replaced, convenience is brought to maintenance and detachment of the anti-falling device, the vertical rod and the limiting rod can be rotationally connected through the arrangement of the circular groove, the rotating rod and the torsional spring, the connecting rope and the hanging rod can be conveniently connected and detached, and the anti-falling device is convenient to use. The top of the limiting rod is tightly attached to the hanging rod, the connecting rope is prevented from being separated from the hanging rod, and safety is improved.

The invention discloses an assembly type interlayer aluminum plate line system which comprises a line body, the line body is connected with a curtain wall through a connecting assembly, the curtain wall comprises a vertical keel, a transverse keel and a panel structure, and the vertical keel is fixed to a floor main body structure through channel steel. The connecting structure is characterized in that the connecting assembly comprises a bent steel plate piece and a steel hanging piece, the bent steel plate piece comprises a U-shaped end fixed to the channel steel and a T-shaped end connected with the steel hanging piece, one end of the steel hanging piece is provided with a clamping hook matched with the T-shaped end in a clamping and inserting mode, and the other end of the steel hanging piece is fixed to the line body. According to the invention, the hanging part of the molding body is directly connected with the channel steel through the connecting assembly, so that the mounting structure is simplified, the pressure of the vertical keel is released, the stability of the molding body is improved, and the mounting requirement of the large decorative molding is met.

The utility model relates to a frame type switching device, which comprises an outer shell, an arc extinguishing device and a static end line bank, the outlet of the arc extinguishing device is fixed at the first side end part of the outer shell, and the static end line bank is led out from the first side end part of the outer shell. According to the utility model, the outlets of the static end line bank and the arc extinguishing device are integrated at the end part of the first side, the static end line bank only needs to adopt a simple straight plate-shaped structure for line outgoing, and compared with the scheme that the static end line bank is bent from the back part of the bottom plate for line outgoing in the prior art, the length and the copper material consumption of the static end line bank can be reduced, and the production cost is reduced. And loop resistance and temperature rise are reduced. Meanwhile, the space at the back of the bottom plate can be provided with a hanging structure, such as a hanging hole, a hook and the like, so that the switching device can be hung conveniently.

The utility model discloses a kind of lifting appliance for T beam reinforcement cage, belong to T beam reinforcement cage hoisting equipment technical field, specific structure includes truss, chain and chain shackle, truss top side symmetrical fixedly connected with fixed seat, fixed seat top side center is provided with the hanging hole for hanging connection travelling crane hook, two chain shackle are set in the both ends of each chain, chain adopts multiple groups, along the truss length direction evenly arranged, each group of chain adopts four, and each chain middle part is fixedly connected on truss, and each chain shackle is hung on the reinforcement of T beam reinforcement cage.This utility model adopts multiple groups of chain and chain shackle to evenly hang the reinforcement on the top plate of T beam reinforcement cage, cooperate with the truss of strip frame structure, hoist stable and reliable, stress is uniform, ensure that T beam reinforcement cage is hoisted smoothly, not deformed, avoid damaging T beam reinforcement cage;Complete reinforcement cage is welded outside mould, and space is big, more conducive to welding production.

The utility model relates to the technical field of electric power tools, and discloses a portable insulating glove and a tool waist bag, the portable insulating glove comprises a glove body, an opening part of the glove body is provided with a hanging piece, the hanging piece is provided with a supporting piece, and the supporting piece and the hanging piece jointly form a hanging cavity with an opening. By arranging the glove body, the hanging connection piece and the supporting piece, the supporting piece and the hanging connection piece jointly form the hanging connection cavity with the opening, so that an electric power worker can hang the glove body to a waistband tied to the waist or a tool waist bag tied to the waist, and the glove body can be carried about; the situation that walking of an electric worker is affected when the glove body is placed in a clothes pocket is avoided, the problem that potential safety hazards exist due to the fact that the glove body is prone to being damaged is solved, the situation that the electric worker steps on the glove body is avoided, and then the situation that the glove body causes danger to the electric worker or is prone to being damaged is avoided; meanwhile, the situation that the glove body is easy to smudge is avoided, and the cleanliness of the glove body is guaranteed.

The utility model relates to the technical field of lifting hooks, and discloses a lifting hook for a heating furnace, which comprises a U-shaped frame, and a grabbing component and a limiting component are arranged on the surface of the U-shaped frame; the grabbing assembly comprises a through hole used for stabilizing movement of the I-shaped frame. The lifting hook for the heating furnace comprises a U-shaped frame, a through hole is formed in the surface of the U-shaped frame, and the inner wall of the through hole is slidably connected with the I-shaped frame. According to the lifting hook for the heating furnace, through the arrangement of the grabbing assembly, in the lifting process, the lifting device is in butt joint with a connecting shaft, so that the hook makes contact with the ground; the connecting shaft and the fixed frame drive the I-shaped frame to move downwards synchronously, the movable plate turns over, the hooks can be driven to be away from each other and be in an open state, at the moment, the hooks can be moved to the position above a workpiece through the hoisting device, when the hoisting device moves upwards, the hooks are made to be close to each other through the movable plate for hanging, manual hoisting of personnel is not needed, and danger is avoided.

This utility model discloses a thyroid surgical retractor, including a retractor body and a catheter. The retractor body includes a support plate, a connecting plate, and a fixing part. The support plate extends in a front-to-back direction. The fixing part includes a fixing plate parallel to the support plate. The fixing plate has several clamping plates equidistantly arranged along its length and extending towards the support plate. A hanging groove is formed between adjacent clamping plates, with the slot facing downwards and both ends connected to the outside. One end of the connecting plate is connected to the support plate, and the other end is connected to the fixing plate. The extension direction of the fixing plate is consistent with the extension direction of the support plate. This surgical retractor is easy to install and adjust, has complete overall functions, and is highly practical.

The utility model provides a low flatbed semitrailer convenient to install and fix, which belongs to the technical field of semitrailers, and comprises a semitrailer body, the semitrailer body is divided into a loading part and a hooking part, a base and an alignment assembly are arranged below the hooking part, and the alignment assembly is connected with the loading part. The alignment assembly comprises a first fixing plate and a second fixing plate which are symmetrically and fixedly connected to the upper surface of the base, the side wall of the first fixing plate is rotationally connected with a threaded rod through a bearing, and the threaded rod is rotationally connected to the side wall of the second fixing plate in a penetrating mode through a bearing. According to the utility model, the orientation position of the low flatbed semitrailer is finely adjusted by arranging the alignment assembly, so that the tedious control of a tractor by a worker can be avoided, the installation efficiency is higher, and meanwhile, the installation and hooking of the tractor are more convenient by arranging the supporting assembly and matching with the alignment assembly.

The invention discloses a construction method for ecologically restoring a mine slope fixing structure. The ecological restoration mine slope fixing structure comprises a to-be-restored mine, a protective net arranged on a mine slope, anchor rods arranged on the mine at intervals, an ecological grid layer arranged on the outer side of the protective net, connecting nails connected between the ecological grid layer and the mine slope and covering soil filled on the ecological grid layer. Through the arrangement of the ecological base material layer, a mounting foundation can be provided for the ecological geotextile layer and the ecological supporting layer, and the net-shaped structure and the cross points of the ecological base material layer are arranged in a reinforced mode, so that drainage is facilitated, and the overall strength is guaranteed; through the arrangement of the ecological supporting layer, hanging of the soil covering layer is facilitated; the fixing structure is distinct in gradation, the ecological grid layer is easy to manufacture in batches and convenient and fast to install, the site construction time and space are greatly saved, and the ecological grid layer manufactured by combining plastic and geotechnical cloth is good in durability and water permeability and suitable for long-time application.

The utility model discloses a nurse uniform capable of identifying identity, which relates to the technical field of nurse uniform, and specifically comprises a nurse uniform body, a magic male tape is arranged on the front side of the nurse uniform body, a magic female tape is pasted on the magic male tape, and a signboard component is arranged on the magic female tape. Through the arrangement of the male magic tape and the female magic tape, the signboard body is bonded together through the male magic tape and the female magic tape, so that the signboard body is positioned, operation and fixation through a clamp and a pin are not needed, and convenience and rapidness are achieved; the signboard assembly is arranged, the signboard assembly is used for replacing a single Chinese character board through a top groove and a through groove formed in the signboard assembly, the single Chinese character board can be conveniently and freely combined, in this way, the signboard assembly can be recycled, and the utilization rate of the signboard assembly is improved. And the practicability of the signboard body is also greatly improved through the random combination mode.