149results about How to "Easy splicing" patented technology

The utility model discloses an embossed aluminum profile, which belongs to the technical field of aluminum profiles, and comprises a first aluminum profile, an embossed plate is arranged on the outer surface of one side of the first aluminum profile, a splicing assembly is arranged in the embossed plate, and the splicing assembly comprises a guide groove, a movable plate, a bearing, a threaded sleeve and a clamping block, guide blocks are fixedly connected to the two sides of the moving plate, the guide blocks are in sliding connection with the guide grooves, a second aluminum profile is arranged on the outer surface of one side of the embossing plate, splicing blocks are symmetrically arranged between the first aluminum profile and the second aluminum profile, and the embossing plate is fixedly installed on one sides of the splicing blocks; embossing grooves are evenly distributed in the embossing plate in a penetrating mode, splicing grooves are formed in the front side and the rear side of the splicing block, and protection assemblies are arranged on the outer surfaces of the peripheries of the first aluminum profile and the second aluminum profile. Therefore, the aluminum profile can be conveniently and rapidly spliced, the installation position is prevented from deviating, and people can conveniently replace and maintain the aluminum profile in the later period.

The invention relates to the field of surface shape detection, in particular to a low-intermediate frequency error synchronous detection method based on sub-aperture splicing and CGH compensation, and the method comprises the steps: designing a full-aperture CGH compensator, carrying out the full-aperture detection of a to-be-detected surface of an aspheric cylindrical surface element according to the full-aperture CGH compensator, and obtaining a full-aperture detection result; sub-aperture planning is carried out according to the surface shape of the to-be-detected surface of the aspheric cylindrical surface element, a sub-aperture CGH compensator corresponding to each sub-aperture is designed, sub-aperture splicing detection is carried out on the to-be-detected surface of the aspheric cylindrical surface element according to each sub-aperture CGH compensator, and a splicing detection result is obtained; wherein phase smoothing processing is carried out on an overlapping region between two adjacent sub-apertures by adopting a layered smoothing optimization algorithm; and calibrating the position of each sub-aperture and correcting the displacement error of each sub-aperture by using low-frequency information in a full-aperture detection result. According to the invention, synchronous high-precision synchronous detection of low-intermediate frequency errors of the aspheric cylindrical surface element can be realized.

The utility model relates to the technical field of hollow plastic plates, in particular to a flame-retardant hollow plastic plate which comprises a mounting frame, a hollow plate, a sealing plate and a filtering plate, the mounting frame is arranged in a cross shape, connecting plates are fixedly connected to the four corners of the outer wall of the mounting frame, a connecting groove is formed in the outer wall of one side of the hollow plate, and the sealing plate is arranged in the connecting groove. The connecting plate is matched with the connecting groove in size, a first mounting hole is formed in the outer wall of one side of the top end of the hollow plate, a second mounting hole is formed in the outer wall of the top end of the connecting plate, mounting grooves are formed in the outer walls of the two sides of the two sides of the mounting frame, and the sealing plate and the filter plate are matched with the mounting grooves in size. According to the hollow plastic plate, the mounting frame arranged in the cross shape can be used for connecting and mounting four hollow plates at the same time, a plurality of groups of hollow plates can be spliced conveniently only by aligning the mounting frame, a water inlet position and a water spraying position can be connected, the cost is reduced, meanwhile, the flame-retardant effect is improved, and the flame-retardant efficiency of the hollow plastic plate is improved.

The utility model discloses an environment-friendly low-energy-consumption intelligent regulation and control type air filter, relates to the technical field of air filters, and aims at solving the problems that a shell structure used in an existing intelligent regulation and control type air filter is of a fixed structure, cannot be disassembled and assembled, cannot be recycled for secondary use in the later period and is low in practicability. According to the key points of the technical scheme, a fixing piece is included, a clamping groove is formed in the fixing piece, a through hole is formed in the face, located on the outer side of the clamping groove, of the interior of the fixing piece, a first threaded hole is formed in the other face, located on the outer side of the clamping groove, of the interior of the fixing piece, and a first bolt is inserted into the through hole; a mounting groove is reserved in the outer side of the fixing piece. And the effect of convenient installation and use is achieved.

The utility model relates to bridge guardrail technical field, concretely disclose a bridge crash barrier with buffer function, including base, the top of base is fixedly connected with buffer chamber, the front of buffer chamber is provided with buffer mainboard, the surface fixed connection of extrusion column has two push blocks, the inboard wall fixed connection of buffer groove has two blocking pieces, the one side fixed connection of first damping block has first buffer spring, the surface of first movable clamp is hinged with inclined rod, the surface sliding and the penetration of two collision blocks of positioning rod, the bottom fixed connection of second damping block has second buffer spring, the utility model discloses through the collocation use of first buffer spring, buffer mainboard, buffer column, clamping ring and inclined rod, if bridge crash barrier can play multiple buffering when using is impacted, make the damage of vehicle reduce to minimization, two adjacent guardrails can be spliced fast, make it form a whole, and the elastic pad is damaged and is convenient for replacing in time.

The utility model provides a kind of mould convenient to dismount for floor construction, belong to floor construction technical field, including slurry delivery mechanism, slurry delivery mechanism includes support frame, the top four corners of support frame are equally provided with the taper connector for link, the bottom four corners of taper connector are equally vertically installed with connecting vertical pole, the middle part of connecting vertical pole is provided with the taper input box for delivery, the top of taper input box is equipped with buffer hinged seat, the rod body link state of the connecting vertical pole set in the bottom four corners of support frame is used to realize connection assembly, supporting fixed is realized by specific taper connector, when needing to deliver, according to the surface of the corresponding taper input box box directly placed into the surface of the adjusting washer of bottom to realize batch shaping, better for floor shaping.

The utility model relates to the technical field of combined antennas, and discloses a combined antenna convenient to install, which comprises an antenna end, a signal end fixedly arranged at the upper end of the antenna end, a connecting rod fixedly arranged at the lower end of the antenna end, and an installation disc fixedly arranged on the lower side of the antenna end. An anti-skid soft cushion is fixedly arranged at the lower end of the mounting disc, a connecting groove is fixedly formed in the upper end of the mounting disc, a connecting screw hole is fixedly formed in the upper end of the mounting disc, a connecting structure is fixedly arranged at the upper end of the mounting disc, and an adjusting structure is fixedly arranged at the upper end of the mounting disc. According to the combined antenna convenient to install, through the improvement of the combined antenna, the convenient splicing and bundling capabilities of the combined antenna are improved, in the actual use process of the combined antenna, the combined antenna can be conveniently spliced and installed according to needs, and the connecting line of the combined antenna can be conveniently bundled; and the use experience of the combined antenna convenient to install is improved.

The utility model relates to the technical field of fixing buckle structures for cable transportation, in particular to a fixing buckle structure for cable transportation, which comprises an upper fixing ring and a lower fixing ring, the lower fixing ring is arranged at the bottom end of the upper fixing ring, an assembly fixing structure is arranged outside the upper fixing ring, and positioning structures are arranged at two ends of the upper fixing ring. The assembling and fixing structure comprises a first mounting seat, the first mounting seat is fixedly arranged on the outer wall of the upper fixing ring, a second mounting seat is fixedly arranged on the outer wall of the lower fixing ring, clamping seats are arranged on the outer wall of the first mounting seat and the outer wall of the second mounting seat in a clamping mode, the clamping seats are arranged in a C shape, and limiting insertion rods are inserted into the clamping seats. According to the fixing buckle structure for cable transportation, cables can be conveniently bundled and stacked, the problems of shaking and deviation cannot occur in the transportation process, bolts are prevented from being used for limiting, installation is more convenient, and practicability and convenience of the device are improved.

The invention belongs to the technical field of LED display screens, and discloses a spliced LED display screen and a splicing method thereof.The spliced LED display screen comprises a display panel, an assembly bottom shell is fixedly arranged at the bottom of the display panel, and the display panel is sleeved with an elastic splicing assembly. According to the detachable display panel, approaching and pushing force generated when adjacent display screens are spliced are utilized, offset of the nested positioning assemblies is achieved through the elastic splicing assemblies, and during combination and splicing, self-locking and fixing are conducted on the previous single-set display panel, so that locking and fixing of the detachable display panel are completed while splicing is completed, and when maintenance is needed, the detachable display panel can be conveniently assembled and disassembled. Through an external rigid structure and an active reverse pushing elastic nested positioning assembly, under the condition that the spliced LED display screen does not need to be disassembled, separation and taking-out of a target single-group display panel are rapidly completed, detection processing of back wiring is facilitated, splicing is facilitated actually, meanwhile, the effect that independent display panels are rapidly disassembled and overhauled is achieved, and the service life of the spliced LED display screen is prolonged. And the comprehensive use effect is good.

This utility model discloses a modular, easily detachable cold-feed filter press cavity, comprising: a fixed arc plate and a movable arc plate, which are connected by a splicing structure. The splicing structure is composed of a connecting plate, a movable bend, a vertical plate, and a trapezoidal platform. A connecting block is provided on the upper side of the fixed arc plate. In this easily detachable modular, cold-feed filter press cavity, the motor rotates the threaded rod, causing the movable bend to move, which in turn moves the movable arc plate horizontally, facilitating splicing. The trapezoidal platform prevents the connecting plate from disconnecting from the vertical plate. When disassembly is required, pushing the trapezoidal platform rotates the connecting plate, allowing for easy rotation and disassembly of the connecting block and the movable arc plate. The filter screen is slotted and secured within the filter box, facilitating filter screen replacement. The filter screen filters the conveyed material, effectively removing impurities.

The utility model relates to the technical field of supports, and discloses a water supply and drainage pipeline installation positioning support which comprises a first rectangular frame, a first guide rail, a first sliding block, a second rectangular frame, a second guide rail, a second sliding block, a clamping block, a first screw and a second screw. In the using process, the first screws on the two sides are rotated, and the second rectangular frame can be pushed to move in the width direction of the first rectangular frame under the guiding and supporting effects of the first guide rails and the first sliding blocks. And finally, the clamping blocks on the two sides are driven to move in the width direction of the first rectangular frame, and the transverse position adjusting function is achieved. Second screws on the two sides are rotated, under the guiding and supporting effects of second guide rails and second sliding blocks on the two sides, the clamping blocks on the two sides can be pushed to move in the length direction of the first rectangular frame, and the longitudinal position adjusting function is achieved. Therefore, after the water supply and drainage pipeline is clamped between the clamping blocks on the two sides, the position of the water supply and drainage pipeline can be adjusted, and the water supply and drainage pipeline can be conveniently installed and spliced.

The utility model belongs to the field of machine room construction lighting equipment, and particularly relates to anti-shaking lighting equipment which comprises a mounting seat, a mounting pipe is connected to the inner wall of the mounting seat in a sliding mode, a connecting seat is fixedly connected to the top of the mounting seat, a lighting structure is arranged above the connecting seat, the lighting structure comprises a heightening module, and the heightening module is connected with the mounting pipe in a sliding mode. The inner wall of the connecting base is in threaded connection with a heightening module, the inner wall of the heightening module is in threaded connection with a lighting base, and the inner wall of the lighting base is fixedly connected with an output motor. According to the lighting equipment capable of preventing shaking, the height increasing modules with modular design are spliced together, so that the distance between the lighting base and the connecting base is increased, the height of the lamp holder is increased, a worker can carry out personalized splicing according to the height needed on site conveniently, the lamp holder can be located at a proper height, and the working efficiency is improved. And the problem that the height of lighting equipment cannot be increased is solved, and the practicability of the device is improved.

This invention discloses a universal welding system for elevator car frames, relating to the field of elevator car frame welding technology. It includes: a main body with a turntable connected inside and a welding arm positioned above the turntable; a tilting section including a first support with a rotating ring connected inside; a conveying section including a mounting plate on both sides of the inner ring of the rotating ring, with a clamping plate connected to the side of the mounting plate facing the center of the rotating ring, and a first drive wheel rotatably connected to the center of the clamping plate; and an adjusting section including a guide groove on the inner ring of the turntable, with a sliding frame connected within the guide groove, a limit clamp positioned above the sliding frame, a pneumatic clamp connected to the bottom of the limit clamp, and a second drive wheel mounted on the side of the limit clamp facing the pneumatic clamp. This invention can adjust the orientation of the steel beams before splicing and welding according to requirements, quickly assemble the steel beams into the required welding shape, and control the position of the welded frame, facilitating welding operations.

The utility model relates to the field of battery packs, and discloses a battery pack with a USB (Universal Serial Bus), which comprises two hollow semicircular shells, the two shells are spliced with each other to form a cylinder in which a battery is mounted, and the side walls of one sides of the two shells are hinged with each other through a hinge structure; the ends, away from the hinge structure, of the two shells are provided with fixing parts used for fixing the two shells when the ends, away from the hinge structure, of the two shells are turned to abut against each other. The telescopic parts are arranged at the two ends of the side, away from the hinge part, of one shell in a telescopic mode, and the inserting part is arranged at the end, away from the hinge part, of the other shell and used for allowing the telescopic parts to be partially inserted when the two shells are overturned and spliced into a cylinder. An unlocking part used for releasing fixation between the two shells is further arranged on the shell provided with the inserting part, and opening and closing between the two shells can be achieved by controlling the telescopic part to be inserted into the inserting part or be away from the inserting part.

The plug-in splicing structure comprises a plurality of lamp assemblies, splicing parts are arranged at the two ends of each lamp assembly, and the ends of the adjacent lamp assemblies are detachably and fixedly connected through the corresponding splicing parts. The splicing parts are provided with a plurality of electric contact pieces, and when the lamp assemblies are fixedly connected, the corresponding electric contact pieces on the splicing parts of the adjacent lamp assemblies are in contact fit. The splicing mode is simple and effective, and potential safety hazards caused by wire winding are avoided.

The utility model provides a micro-frame LCD (Liquid Crystal Display) screen for splicing, which relates to the technical field of LCD screens and comprises a plurality of outer frames, connecting seats are fixedly connected to the inner bottoms of the outer frames, LCD display panels are arranged on the outer surfaces of the connecting seats, and splicing grooves are symmetrically formed in the inner bottoms of the outer frames; and the splicing assembly is located between the two outer frames, the splicing assembly comprises a partition plate and a fixing plate, and first insertion blocks are symmetrically and fixedly connected to the rear surface of the partition plate. According to the utility model, when the LCD display screen is spliced for use, the LCD display panels on the two sides share one partition plate to complete splicing installation, and when the LCD display panels are spliced for use, the splicing position of the two LCD display panels share one partition plate as a frame, so that the existing splicing mode of frames on the two sides is improved; the thickness of the frame between the splicing intervals of the LCD display panel is small, and the splicing display effect of the LCD display panel is effectively improved.

This utility model discloses a single-panel splicing and forming device for container floor production, relating to the field of container floor production technology. It includes a splicing table, a limiting side plate on one side of the top of the splicing table, and a clamping assembly in the middle of the top of the splicing table. An adjustment assembly is provided on the side of the splicing table. The clamping assembly includes a drive motor, a bidirectional lead screw on the side of the drive motor, and sliding blocks and a support frame on the outer wall of the bidirectional lead screw. The support frame has an ejection hydraulic cylinder, an L-shaped clamping plate, a cylinder, and a positioning plate on its side. This utility model uses the drive motor to rotate the bidirectional lead screw, causing two sliding blocks to respectively drive two sets of L-shaped clamping plates and positioning plates to position and clamp the spliced ​​floor. The ejection hydraulic cylinder in the middle of the support frame moves the L-shaped clamping plates, thus facilitating the splicing of floor panels of different sizes and improving the ease of use of the device.

The utility model provides an assembly type building component, which relates to the technical field of building components and comprises a building component, mounting blocks are symmetrically mounted at the bottom of the building component, sliding rails are mounted on the outer sides of the mounting blocks, through grooves are formed in the mounting blocks and the sliding rails, bolts are mounted in the through grooves in a penetrating manner, and bolts are mounted in the through grooves in a penetrating manner. Limiting bolts penetrate through the interiors of the plug pins, and fixing plates are installed at the bottoms of the sliding rails. The mounting blocks slide in the sliding rails, the bolts penetrate through the interiors of the through grooves, the mounting blocks can be limited easily, building components can be mounted conveniently, the limiting bolts penetrate through the interiors of the bolts, the bolts can be fixed and limited easily through the limiting bolts, the stability of the bolts can be guaranteed easily, and the safety of the building components is improved. And therefore, the building component is convenient to mount and dismount, professional tools are not needed for operation, the labor cost and the time cost are reduced, and the mounting and dismounting work of a building framework can be quickly completed.

The invention relates to a modularized dustproof shed capable of being rapidly disassembled and assembled for GIS installation and maintenance. A ceiling is installed on the top of a module wall assembly. The base module is mounted below the module wall assembly; the driving wheel assembly and the base module are mutually embedded; the ceiling is connected with the tops of the module wall assemblies on the left side and the right side through locking connecting pieces to form a dustproof shed body which is communicated in the front-back direction and closed in the left-right direction. The GIS equipment and the environment monitoring and purifying equipment are arranged in the dustproof shed body; a front curtain cloth and a rear curtain cloth which are separated from the middle to two sides are arranged on the dustproof shed body; the air shower is installed on the outer side of the module wall assembly. The modular assembly process is used, the side walls and the shed cloth of the whole dustproof shed are divided into a plurality of modular assemblies, and the assemblies can be folded, are small in occupied area and are convenient to transport and unfold.

The utility model discloses a building template for concrete construction, and particularly relates to the field of concrete construction, the building template comprises a template body, a connecting plate is fixedly connected above the template body, an adjusting assembly is fixedly connected above the connecting plate, a fixing plate is fixedly connected above the adjusting assembly, and the fixing plate is fixedly connected above the template body. A buffer assembly is movably connected to the upper portion of the fixing plate. The adjusting assembly comprises the control piece and the supporting rod, a user can adjust the height of the formwork body through the adjusting assembly, and the user can further adjust the height of the formwork body conveniently after the formwork body is installed; a user can conveniently splice different building templates, the building templates form a whole, meanwhile, when the template body is impacted from the lower portion, vibration can be transmitted to the fixing plate and the push rod through the template body, and therefore the impact force borne by the template body is reduced through the buffer assembly, and the template body is prevented from being damaged due to impact.

The utility model discloses a spot-welding-free over-current support which comprises a support body and an installation mechanism, the surface of the support body is coated with an anti-corrosion coating, the outer wall of the support body is provided with a fixing block, the inner wall of the fixing block is provided with a fixing rod, the inner wall of the support body is provided with crimping grooves, and the crimping grooves are connected with the installation mechanism. The mounting mechanism is crimped on the inner wall of the crimping groove, the mounting mechanism comprises a crimping block, a cable rack, a cable hole and an insulating sleeve, and the crimping block is crimped on the inner wall of the crimping groove. According to the spot-welding-free over-current support, through the arrangement of the mounting mechanism, when the spot-welding-free over-current support is used, an insulation effect can be achieved through an insulation sleeve in a cable hole in the mounting mechanism when an over-current phenomenon occurs to a cable, the risk of electric leakage is avoided, and therefore the safety is improved, and the service life of the spot-welding-free over-current support is prolonged. And meanwhile, the cable rack is crimped and spliced with the crimping groove in the bracket body through the crimping block, welding installation is not needed, and splicing is convenient.

The utility model discloses a spliced mining intrinsic safety type intelligent large screen which comprises a protective frame, a display screen is installed in the protective frame in a clamped mode, a base is arranged below the protective frame, two through holes are formed in the top of the base, and movable rods are movably installed in the two through holes. The top ends of the two movable rods are fixedly connected with the bottom of the protection frame, the bottom ends of the two movable rods are fixedly provided with the same connecting rod, two fixing blocks are fixedly installed on one side of the protection frame, an operation block is fixedly installed on one side of the protection frame, and clamping grooves are formed in the sides, close to each other, of the two fixing blocks. Connecting holes are formed in the top and the bottom of the fixing block correspondingly, and vertical rods are movably installed in the two connecting holes correspondingly. The spliced mining intrinsic safety type intelligent large screen is practical and convenient, the height of the display screen is convenient to adjust, two large screens are convenient to splice, more content is convenient to display, and the spliced mining intrinsic safety type intelligent large screen is convenient to use in a mining area.

This invention discloses a polymer antistatic wood-plastic composite flooring, relating to the field of wood-plastic composite flooring, comprising joists and wood-plastic composite panels. At least two joists and wood-plastic composite panels are provided, with the two joists arranged parallel to each other and the two wood-plastic composite panels slidably fitted onto the tops of the two joists. A connecting structure is provided on adjacent sides of the two wood-plastic composite panels. In practical operation, when the wood-plastic composite panels are installed outdoors, rainwater will enter the interior of the moisture-proof ring through the heat dissipation holes during rainy weather and drain out from both ends of the moisture-proof ring, reducing the accumulation and erosion of rainwater on the top of the wood-plastic composite panels, thus improving service life. The addition of multiple sets of heat dissipation holes increases the friction on the top of the wood-plastic composite panels, preventing slippage during rainy weather. Because rainwater drains quickly, it dries rapidly after the rain stops due to wind and temperature variations.

The utility model discloses a high flame-retardant and high heat-resistant MPP pipe, which belongs to the technical field of MPP pipes and comprises an MPP round pipe body, the MPP round pipe body comprises an inner pipe, a first flame-retardant layer, a second flame-retardant layer, a third flame-retardant layer and a wear-resistant layer, a first connecting plate is mounted on the outer surface of the MPP round pipe body, a second connecting plate is mounted on the outer surface of the MPP round pipe body, and the first connecting plate is connected with the second connecting plate. Through the arrangement of the first flame-retardant layer, the second flame-retardant layer, the third flame-retardant layer and the wear-resistant layer, the MPP round pipe body has the wear-resistant characteristic, the flame-retardant and heat-insulating effects of the MPP round pipe body can be better, through the arrangement of the insulating layer, the MPP round pipe body can have the insulating characteristic, and the service life of the MPP round pipe body is prolonged. According to the MPP round pipe convenient to splice, through the arrangement of the first connecting plates, the first positioning holes, the annular clamping grooves, the second connecting plates, the positioning screws, the annular clamping plates and the second positioning holes, people can splice the MPP round pipe bodies conveniently, so that the construction efficiency of people is greatly improved, and connection of the MPP round pipe bodies is more stable.

This utility model relates to the field of building construction and discloses a construction guardrail, including a base. Two uprights are fixedly connected to the left and right sides of the top of the base. A lifting rod is slidably connected inside each upright. A fixing block is fixedly connected to the top of each lifting rod. A crossbar is fixedly connected between the two fixing blocks. Multiple telescopic rods are fixedly connected between the crossbar and the base. A positioning component is provided inside the lifting rod. Adjacent uprights are connected by a snap-fit ​​component. An insert is fixedly connected to the left side of the base, and a slot is provided on the right side of the base, into which the insert is inserted. This utility model allows for adjustment of the guardrail height to suit different locations or construction stages, improving the guardrail's versatility and facilitating the splicing of two guardrails, thus increasing the efficiency of guardrail assembly for workers.

The utility model discloses a kind of splicing detachable storage racks, the storage rack includes pedestal main body, splicing barrel piece inserted in the top of the pedestal main body and support bracket clamped in the bottom of the pedestal main body, the support bracket and splicing barrel piece are spliced between the pedestal main body by detachable connecting structure, save space after dismounting, it is favorable to packaging transportation, storage, or component damage replacement, splicing barrel piece and support bracket are spliced between the pedestal main body by detachable connecting structure, and composition is formed, so that the whole storage rack is not only structurally stable, but also can realize quick, convenient splicing and dismounting, user can form different size storage space according to self-regulation assembly plug-in piece and plug-in baffle, or dismount support bracket, realize flat use, greatly improve the applicability of storage rack, satisfy the diversified storage demand of user.

The application relates to a sofa capable of being combined, which comprises a base, a backrest arranged on the base, armrests arranged on both sides of the upper end of the base and seat cushions arranged on the base, the mutually distanced side walls of the seat cushions are respectively in abutment with the armrests, rotating members are arranged on the armrests, the armrests are rotated along the rotating members to be flush with the backrest so as to be converted into the backrest. When a single sofa needs to be combined into multiple integrated sofas, the armrests are upwardly rotated so as to be converted from the state of the armrests into the state of the backrest, and the armrests do not affect the use of the combined sofa during the combination of the adjacent sofas.

The utility model discloses a kind of quick installation's drawn aluminium plate, including first drawn aluminium plate body and second drawn aluminium plate body, the side of first drawn aluminium plate body is equipped with clamping slot, clamping slot inner cavity is equipped with clamping hole on both sides, the side of second drawn aluminium plate body is fixedly connected with sealing plate, the outside of sealing plate is fixedly connected with clamping plate, the inner cavity of clamping plate is equipped with sliding slot.The utility model passes through the clamping plate of sealing plate outside on second drawn aluminium plate body inserts the clamping slot of first drawn aluminium plate body, while flexible adjustment buckle on card block is automatically clamped into clamping hole under the action of tension spring, preliminary splicing can be completed without complex tool, installation time is greatly shortened, construction efficiency is improved, the structure of first fixed plate, second fixed plate cooperation fixed pin and nut, after aluminium plate preliminary splicing, further strengthen connection, gasket increases the friction between nut and fixed plate, prevent fixed pin loose, ensure that aluminium plate connection is firm, applicable to a variety of use scenarios.