170results about How to "Good stitching" patented technology

The utility model relates to the technical field of constructional engineering equipment, and discloses a scaffold for constructional engineering. The scaffold for constructional engineering comprises a supporting frame, wedge type connecting frames, connecting rods, hooks, rotating shafts and a pedal, the wedge type connecting frames are fixedly connected to the supporting frame, the wedge type connecting frames are jointly provided with the connecting rods in a sliding mode, the rotating shafts are arranged on the pedal, the hooks are arranged on the rotating shafts in a rotating mode, and the connecting rods are arranged on the rotating shafts in a sliding mode. And the hook is hung on the connecting rod. The two ends of the connecting rod are clamped into the wedge type connecting frame, the connecting rod is knocked to be completely clamped into the wedge type connecting frame, and then the scaffold is assembled, so that the scaffold does not need to be assembled by screwing bolts, and the purpose of convenient assembly is achieved.

The invention discloses positive pressure air duct equipment special for mines, and belongs to the technical field of air ducts, the air duct equipment comprises an air duct main body, a first connecting end fixedly mounted at one end of the air duct main body and a second connecting end fixedly mounted at the other end of the air duct main body, and one side, far away from the air duct main body, of the first connecting end is fixedly connected with an insertion ring; the side, away from the air duct body, of the second connecting end is provided with an inserting groove matched with the inserting ring, the inner wall of the inserting ring is fixedly connected with a clamping block, the second connecting end is provided with a clamping groove matched with the clamping block, the second connecting end is fixedly connected with a mounting shell, the interior of the mounting shell is movably connected with an inserting rod, and the inserting rod penetrates through the mounting shell. One end of the inserting rod is rotationally connected with an adjusting handle; through cooperative use of the devices, a common air duct splicing mode is replaced, so that two sections of air ducts can be conveniently spliced together, and meanwhile, the possibility that the ventilation effect becomes poor after the air ducts are used for a long time is reduced.

The utility model relates to the technical field of cable bridges, and discloses a modularized splicable cable bridge structure which solves the problems that in the using process of a cable bridge, splicing is not convenient, operation of people is affected, installation efficiency is reduced, and therefore better practicability is not convenient to achieve. The bridge comprises a first bridge body and a second bridge body, a connecting strip is fixedly installed at the bottom of the end, close to the second bridge body, of the first bridge body, a positioning strip is fixedly installed on one side of the connecting strip, three positioning holes are evenly formed in the bottom of the positioning strip, and positioning insertion rods are symmetrically and fixedly installed on the side, close to the positioning strip, of the connecting strip; the connecting strip is located between the two positioning insertion rods, and an adjusting positioning assembly is fixedly installed at the bottom of the end, close to the first bridge, of the second bridge. According to the cable bridge, the cable bridge can be conveniently spliced in the using process, so that people can better operate the cable bridge, the installation efficiency is improved, and better practicability is achieved.

The invention relates to the field of medical instruments, in particular to a suturing device which comprises a supporting and recycling system, a first conveying system and a second conveying system, and the supporting and recycling system comprises a supporting and traction structure and a supporting assembly connected with the supporting and traction structure; the first conveying system and the second conveying system are configured to convey the first suturing piece and the second suturing piece to penetrate through the two to-be-closed tissues respectively, and the first suturing piece and the second suturing piece are connected with the supporting traction structure or captured by the supporting traction structure; and the supporting traction structure supports the tissue to be closed when the first conveying system and the second conveying system penetrate through the tissue to be closed.

The utility model discloses a water conservancy guardrail convenient to splice quickly, which relates to the technical field of water conservancy guardrails and comprises a guardrail body, a base, a first protective net, a second protective net and hinges, the base is arranged at the bottom end of the guardrail body, and the first protective net and the second protective net are arranged on the inner side of the guardrail body. A hinge is connected between the second protective net and the first protective net, a butt joint mechanism is arranged between the two groups of guardrail bodies, and cavities are symmetrically formed in one side of each guardrail body. The L-shaped rods are separated from the locking grooves by pulling pull rings, on the contrary, the L-shaped rods and the butt joint rods are locked through the reset effect of springs, so that the guardrail bodies can be spliced, the guardrail bodies are folded through hinges, the locking rods are driven to move by rotating the rotating wheels, the locking rods can be locked with the reserved grooves, and the guardrail bodies are folded. Therefore, the water conservancy guardrail is more convenient to carry and transport.

The utility model relates to the technical field of plasma wind bars, and discloses a plasma high-pressure wind bar structure which comprises a plasma wind bar body, one end of the plasma wind bar body is connected with a high-voltage wire in an inserted mode, one end of the plasma wind bar body is connected with an air pump connector, the inner side of the upper end of the plasma wind bar body is provided with a plasma needle, and the upper end of the plasma wind bar body is connected with an air pump. An air outlet is formed between the two plasma needles, and a connecting cylinder is fixedly connected to the outer side of the upper end of the air outlet; according to the novel structure applied to the plasma high-pressure wind bar, by arranging the steering adjusting assembly, the air outlets of the plasma wind bar bodies can be adjusted according to the steering adjusting assembly, the adjusted air outlet direction accurately faces a product to conduct static electricity removing treatment, and the plasma wind bar bodies can be communicated and connected through the connecting pipes; and therefore, splicing of the plasma wind rod bodies is facilitated, and the practicability of the plasma wind rod bodies is improved.

The utility model relates to the technical field of precision sheet metal parts, and discloses a splicing type precision sheet metal part which comprises a main body mechanism, a splicing mechanism is arranged on the inner surface of the main body mechanism in a sliding mode, and a connecting mechanism is arranged on the outer surface of one side of the main body mechanism in a hinged mode. According to the utility model, through the arrangement of the splicing mechanism and the connecting mechanism, the connecting mechanism can be fixed to a use part through the second connecting hole according to the position and angle of use as required during use, and after the fixation is completed, the connecting mechanism is fixed to the use part through the second connecting hole; a user can adjust the distance between the two splicing frames through the opening angle between the multiple folding rods, the function of connecting the sheet metal parts with different lengths and widths when the device is used is achieved, the user can splice the multiple sheet metal parts with different models conveniently, the connecting function of the device is achieved, and meanwhile the splicing efficiency of the device is improved. And the device has a certain adjusting function, the overall application range of the device is enlarged, and the practicability and convenience of the device are improved.

The invention discloses a buckle assembly type recoverable anchor rod, and relates to the technical field of anchoring supporting, the buckle assembly type recoverable anchor rod comprises a first anchor rod and a second anchor rod installed on the top of the first anchor rod, the outer side of the upper portion of the second anchor rod is sleeved with an anchoring plate, the top of the anchoring plate is connected with a fixing nut, and the fixing nut is in threaded connection with the second anchor rod; a sealing plug is installed at the top end of the second anchor rod, the outer pipe body is connected to the outer side of the first anchor rod and the outer side of the second anchor rod in a sleeving mode, a top plate is connected to the top of the outer pipe body, and a threaded sleeve is fixedly connected to the bottom of the outer pipe body; the splicing assembly is arranged at the bottom of the second anchor rod, and the splicing assembly comprises a splicing part; and an adaptive structure is arranged at the top of the anchor rod I. The problems that the top end of the anchor rod cannot be well and directly attached to the deepest position of a drilled hole when the anchor rod is used for drilling holes with different hole opening depths, the supporting effect of the anchor rod is reduced, and when the anchor rod is locally damaged, the whole anchor rod needs to be replaced, and resource waste is caused are solved.

The present invention discloses a stapler cartridge assembly of a linear stapler. The stapler cartridge assembly comprises three rows of upper staple cavities and three rows of lower staple cavities which are staggered in the upper and lower halves of the stapler cartridge, so that the maximum forces exerted on staple pushers inserted in the staple cavities during the staple forming process are staggered with each other. The first staple pushers are simultaneously inserted in the first and second rows of staple cavities, and the second staple pushers are inserted in the third row of staple cavities. The first inclined surface used for pushing the first staple pushers has a smaller slope than the second inclined surface used for pushing the second staple pushers. Thus, it can be ensured that the forward thrust of the staple pusher block is smaller when the same upward thrust is generated. In addition, the highest points of the first inclined surface and the second inclined surface on the staple pusher block are staggered with each other, so that the time when the first staple pusher and the second staple pusher reach the highest point can be staggered, so that the three rows of suture staples are prevented from reaching the highest point at the same time, thereby further reducing the thrust required by the staple pusher block, making the entire suturing process smoother, relieving the doctor's surgical fatigue, and optimizing the suturing effect.

The utility model relates to the technical field of building materials, and provides an impact-resistant high-strength stainless steel seamless steel pipe which comprises a steel pipe body and a reserved groove. Reserved grooves are formed in the outer walls of the two sides of the steel pipe body, and reinforcing structures are evenly arranged on the inner side wall of the steel pipe body. According to the steel pipe, the reinforcing structures are arranged, the sections of the reinforcing supports are triangular, and the reinforcing supports are distributed on the inner side wall of the steel pipe body at equal intervals, so that the supporting strength of the steel pipe is improved, and the built-in reinforcing pipes are installed on one sides of the reinforcing supports in the steel pipe body through the clamping structures; therefore, the steel pipe is convenient to replace and install while the strength of the steel pipe is enhanced, and the purposes of improving the impact strength of the seamless steel pipe and being convenient to use are achieved.

The steel pipe convenient to splice comprises a steel pipe assembly, the steel pipe assembly comprises a steel pipe body, two first connecting grooves are formed in the end face of the steel pipe body, two first connecting plates are formed between the two first connecting grooves, the first connecting plate on the left side is inserted into the first connecting groove, and the second connecting plate on the right side is inserted into the first connecting groove. The right side first connecting plate is connected into the left side first connecting groove in an inserted mode. According to the steel pipe convenient to splice, the left side first connecting plate is inserted into the right side first connecting groove, the right side first connecting plate is inserted into the left side first connecting groove, and after insertion is completed, the joint between the two steel pipe bodies is welded through electric welding equipment; in this way, the area of the welding portion of the two steel pipe bodies is far larger than the welding area of the two circular sections when the two steel pipe bodies are welded, the stability of welding connection of the steel pipe bodies is achieved by enlarging the welding portion, and the probability of breakage of the welding portion is reduced.

The utility model relates to the technical field of machine room installation, and discloses a BIM-based machine room installation supporting device which comprises a bottom frame and a top frame, two L-shaped clamping grooves are formed in one side of the top of the top frame, two L-shaped clamping blocks are fixedly arranged on the side, away from the L-shaped clamping grooves, of the top of the top frame, and a T-shaped clamping block is fixedly arranged at the rear end of the top of the top frame. A T-shaped clamping groove is formed in the front end of the top of the top frame. When a plurality of blocks are spliced, the blocks are connected left and right through the L-shaped clamping blocks and the L-shaped clamping grooves, the blocks are connected front and back through the T-shaped clamping blocks and the T-shaped clamping grooves, the blocks are clamped through the clamping blocks and the clamping grooves during splicing, splicing can be conveniently carried out, a traditional bolt connection or welding mode is replaced, the installation cost is reduced, and the installation efficiency is improved. And in addition, more time and labor are saved during later dismounting.

The utility model relates to the technical field of slope green plant placement, in particular to a supporting facility for slope green plant placement, which comprises a slope protection brick, planting holes for green plant placement are formed in the surface of the slope protection brick, a splicing mechanism is arranged on the surface of the slope protection brick, and the splicing mechanism internally comprises a splicing block, a wedge groove, a splicing groove, a wedge column and an insertion hole. The slope protection brick comprises a slope protection brick body, stabilizing mechanisms are arranged at the corners of the surface of the slope protection brick body, each stabilizing mechanism is composed of a stabilizing nail and a stabilizing assembly, a drainage mechanism is arranged in the slope protection brick body, and the interior of each drainage mechanism comprises a filter screen, a flow guide hole and a drainage channel. According to the utility model, the phenomenon of water and soil loss is not easy to occur, the convenience degree when the supporting facility is spliced and laid is improved, and the stability when the supporting facility is used is improved.

The utility model relates to the technical field of composite board provides a composite board convenient to splice, including composite structure, the one side of composite structure all pastes has dismantled structure, the dismantled structure includes splicing block, first recess, second recess, third recess and lug, one end of splicing block all is fixed in one end of composite structure, the inside of splicing block is provided with first recess. The utility model has dismantled structure through setting, adjusts the position of splicing block, respectively with the inside of splicing block of another piece of composite board of inserting lug, make the outer wall of second recess and third recess of two pieces of composite board abut, insert the connecting block into the inside of two pieces of composite third recess, have the function of reinforcing the plate material, with special tool through the inside of second recess push the connecting block to the outside of third recess, let first recess and lug separate again, realized the device has the function convenient to splice and convenient to dismantle, improved the convenience of this composite board.

The utility model relates to a road traffic security protection device with a buffering function. The road traffic security protection device comprises a guardrail body, at least one support and two buffering plates. The supports are arranged at the bottom of the guardrail body, the two buffer plates are arranged on the front side and the rear side of the guardrail body respectively, and the buffer plates are connected with the guardrail body through corresponding buffer structures respectively. The buffering plates are arranged on the front side and the rear side of the guardrail body, part of impact force can be absorbed through the buffering structures when accidents happen, and the buffering performance is good.

The utility model belongs to the field of lighting equipment, and provides lighting equipment convenient to splice, the lighting equipment convenient to splice comprises a lamp body, a splicing piece, a connecting plate, two limiting plates and two adjusting bolts, a butt joint hole is formed in the side wall of the lamp body, and a sliding groove is formed in the top wall of the lamp body; butt joint columns are arranged on the two sides of the splicing piece correspondingly. One end of the connecting plate is inserted into the sliding groove of one lamp body, the other end of the connecting plate is inserted into the sliding groove of the adjacent lamp body, and adjusting threaded holes are formed in the two ends of the connecting plate respectively; the limiting plates are installed on the bottom wall of the connecting plate, the limiting plates and the adjusting threaded holes are arranged in a one-to-one correspondence mode, and the limiting plates are provided with limiting clamping teeth; the adjusting bolts are installed in the adjusting threaded holes in a one-to-one correspondence mode. The structure is simple and compact, splicing is easy and fast, assembling and disassembling are convenient, and follow-up maintenance is also convenient.

The utility model relates to the field of aluminum veneers, in particular to an aluminum veneer convenient to assemble, a protective plate is fixed at the upper end of an aluminum veneer body through a screw, a groove and a positioning groove are symmetrically arranged at the upper end of the aluminum veneer body, a positioning rod is arranged in the groove, a fixing shaft is fixedly arranged at one end of the positioning rod, and the fixing shaft is fixedly connected with the aluminum veneer body. The two ends of the fixing shaft are rotationally connected with the aluminum veneer bodies, anti-skid pads are fixedly arranged on the two sides of the fixing shaft, the positioning rod can be inserted into the positioning groove in the other aluminum veneer body by turning over the positioning rod by 180 degrees in the groove, and a positioning structure can be provided between every two adjacent aluminum veneer bodies. According to the aluminum veneer, the multiple aluminum veneer bodies can be conveniently spliced, the assembling efficiency is high, in the process, the non-slip mats can be extruded, and the positioning rods can be firmer in the positioning grooves.

The utility model provides a cable for military equipment, and belongs to the technical field of cables. Comprising a cable core sleeve, the outer side of the cable core sleeve is sleeved with an armor, the outer side of the armor is sleeved with a protective sleeve, one side of the protective sleeve is in threaded connection with a connecting sleeve, one side of the connecting sleeve is symmetrically provided with fastening sleeves, the fastening sleeves are in threaded connection with the connecting sleeve, and the interior of the protective sleeve and the interior of the connecting sleeve are each provided with a magnetic attraction block. The magnetic attraction blocks are evenly installed along the bottom of the cable core sleeve and the top of an inner cavity of the connecting sleeve respectively, and the protective layer is evenly attached to the outer side of the cable core sleeve in a honeycomb cavity shape. According to the utility model, the magnetic attraction block at the bottom of the protective sleeve and the magnetic attraction block at the top of the connecting sleeve attract each other, so that the installation position of the cable is fixed, the stability of the cable splicing position is improved, the situation that the cable splicing position shakes to cause separation and influence use is avoided, and due to the arrangement of the structure, the cable splicing is more convenient, the stability is better, and the service life of the cable is prolonged. The safety is high, and the practicability during use is improved.

The utility model discloses a polypropylene raw material storage device which comprises a first tank body and a second tank body, a supporting frame is installed on the lower portion of the first tank body, a concentric-square-shaped groove is formed in the opening end of the first tank body, a concave frame is installed on the lower portion of the second tank body, and a concentric-square-shaped inserting plate is installed at the opening end of the second tank body. A feeding pipe and a guide cylinder fixedly penetrate through the far-away surfaces of the first tank body and the second tank body, a conical block is installed on the side wall of the supporting frame, concave seats are installed on the front end face and the rear end face of the interior of a concave frame, guide rollers are installed in the two sets of concave seats through bearings, a through hole is formed in the inner wall of the concave frame, and a through hole is formed in the inner wall of the concave frame. And a mounting screw rod is mounted on the side wall of the conical block. The polypropylene raw material storage device has the advantages that the supporting frame and the concave frame are adopted, the supporting frame and the concave frame are arranged, a guiding structure is arranged, splicing of a tank body structure can be completed conveniently in a labor-saving mode, and convenience is brought to installation of the polypropylene raw material storage device.

The invention discloses a spring-clip type prefabricated pile connection joint manufacturing system, which relates to the technical field of engineering pile connection, and comprises a base plate, a gantry is equidistantly connected to the middle position of the top end of the base plate by bolts, a hydraulic rod is equidistantly clamped to the top end of the gantry, the bottom ends of the two hydraulic rods are connected to a lifting seat by bolts, and the bottom ends of the lifting seats are equidistantly rotatably connected to a cutting disk, a positioning and conveying mechanism is arranged at a position on one side of the top end of the base plate, and a rotating hollow sleeve rod brings a limit frame to move along the outer side of the limit rod. The invention has a scientific and reasonable structure, is safe and convenient to use, and is provided with a positioning and conveying mechanism, and the position of the limit frame is changed by rotating the hollow sleeve rod and bringing the limit frame to move along the outer side of the limit rod, so that the limit frame corresponds to prefabricated pile installation holes of different sizes, and at the same time, the active gear ring and the driven gear cooperate to facilitate the rotation of the outer gear ring to drive the rotating drum to rotate, push the top rod and the clamping plate to move, and clamp and fix the sleeves of different diameters.

The utility model discloses a bunching device for electric power engineering, and relates to the technical field of electric power engineering, and the bunching device comprises three placing racks, the two sides of the upper end of each placing rack are provided with placing grooves, one side of the upper end of each placing rack is rotatably provided with a screw rod, and the other side of the upper end of each placing rack is fixedly provided with a limiting rod. A limiting plate is fixedly arranged at the upper end of the limiting rod, a rotary plate is fixedly arranged at the upper end of the lead screw, the outer surface of the rotary plate is subjected to rough treatment, a lifting rod is connected to the outer surface of the lead screw in a sleeved mode, and inserting columns are fixedly arranged on the two sides of the lower end of the lifting rod. The wire bunching structure is simple in structure, reasonable in design, capable of conveniently bunching circuit pipelines and conveniently taking out specific wires, high in practicability, convenient to splice and firm in splicing, capable of bunching more pipelines and high in universality.

The invention relates to the technical field of buildings, in particular to a concrete steel bar truss floor plate and a construction method thereof.The concrete steel bar truss floor plate comprises a bottom plate, the bottom plate is formed by pouring concrete and fiber meshes, and a plurality of steel bar trusses are arranged on the upper surface of the bottom plate; after a plurality of groups of poured bottom plates are spliced, concrete is poured above the bottom plates, when the concrete above the bottom plates reaches a certain amount, water contained in the concrete enters the mounting pipes through the open holes, the flexible plates are driven to move outwards by means of water absorption expansion of the expansion structures, and the flexible plates are driven to move outwards. When the two adjacent flexible plates move outwards to a certain position, the two adjacent flexible plates make contact with each other, so that the sealing performance between the two bottom plates is guaranteed, it is further guaranteed that concrete is prevented from overflowing from the splicing position of the two bottom plates during concrete pouring, meanwhile, a water stop belt does not need to be manually arranged at the splicing position, the construction efficiency is improved, and the construction cost is reduced. And the concrete steel bar truss floor plates can be conveniently spliced.

The utility model belongs to the technical field of prefabricated side ditches, and discloses an anti-settling prefabricated side ditch which comprises a prefabricated side ditch body, a plurality of positioning columns are installed on one side of the prefabricated side ditch body, and positioning grooves are formed in the positions, parallel to the positioning columns, of the other side of the prefabricated side ditch body. Two sets of circular limiting grooves are formed in the two sides of the top end of the prefabricated side ditch body, each set of circular limiting grooves comprises three circular limiting grooves, sliding grooves are formed in the bottom ends of the circular limiting grooves in a penetrating mode, fixing cones are installed in the sliding grooves in a sliding mode, and circular limiting blocks are installed at the top ends of the fixing cones. According to the device, two adjacent prefabricated side ditches can be quickly spliced together, the two prefabricated side ditches support each other, and meanwhile, the fixing cones can support the two sides of the prefabricated side ditches, so that the stability of the prefabricated side ditches after installation is improved, and the protection effect and the overall attractiveness of the prefabricated side ditches are improved.

The utility model provides a splicing type fuse, which relates to the technical field of fuses, and comprises a fuse main body, splicing assemblies are arranged on two sides of the fuse main body, each splicing assembly comprises a splicing convex plate arranged at the right end of the fuse main body, a splicing groove is arranged at the left end of the fuse main body, and the splicing convex plates are arranged in the splicing grooves. Fixing lock catches are arranged in the splicing convex plates, and butt joint grooves are formed in the surfaces of the splicing grooves; splicing clamping plates are arranged on the two sides of the splicing protruding plate, and splicing clamping grooves are formed in the two sides of the splicing groove. Through the arrangement of the splicing assemblies, the arrangement of the splicing convex plates and the splicing grooves, the splicing of the fuse bodies can be facilitated, through the arrangement of the splicing clamping plates and the splicing clamping grooves, the splicing stability can be further improved, the loosening phenomenon after splicing is avoided, and through the arrangement of the fixing lock catches and the butt joint grooves, the splicing stability of the fuse bodies can be further improved. And the spliced fuse main body can be conveniently limited and fixed, and the firmness after splicing is improved.

The invention discloses an assembly type transverse strake supporting device and method suitable for being applied to narrow grooves. The device comprises assembly type transverse strake units, inter-plate supporting units and natural vibration type sedimentation units, wherein the assembly type transverse strake units are formed by splicing bottom insertion formworks and conventional splicing formworks, and the natural vibration type sedimentation units are fixedly installed on the surfaces of the assembly type transverse strake units. According to the invention, detachable division is carried out through the integrated transverse strake plate, and the fabricated transverse strake plate formed by the bottom insertion template and the conventional splicing template is realized, so that the problems that although the supporting effect can be realized by adopting an integrated supporting structure, independent customization is needed for supporting grooves with different depths and widths, the manufacturing cost is increased, and the construction cost is reduced are effectively solved. And loading, unloading and turnover are not convenient. In addition, the stiffening rib plates are all made of steel, and the technical problem that in a traditional method, steel-wood mixed plate rib plates are poor in strength is solved. In conclusion, the comprehensive performance of the transverse strake is greatly improved from the aspects of using convenience and supporting strength.

The utility model relates to the technical field of spherical sunlight room splicing, in particular to a spherical sunlight room splicing structure which comprises a first endurance plate, a second endurance plate and two supporting frames which are used for splicing to form a spherical sunlight room main body, the first endurance plate is fixedly connected with one supporting frame, and the second endurance plate is fixedly connected with the other supporting frame. The first endurance plate is fixedly connected with one supporting frame, the second endurance plate is fixedly connected with the other supporting frame, the bottom face of the first endurance plate is fixedly connected with a plurality of first splicing pieces, and the surface of the upper end of the second endurance plate is fixedly connected with a plurality of second splicing pieces. Other tools and connecting pieces are not needed in the whole splicing process, convenience is achieved, the splicing efficiency is effectively improved, by arranging an adjusting mechanism, the distance between the first endurance plate and the two supporting frames and the distance between the second endurance plates and the two supporting frames can be flexibly adjusted, the adjustability is higher when the second endurance plates and the first endurance plates are spliced, and the splicing effect is improved.

The utility model relates to wallboard unit structure technical field especially relates to a new type integrated decorative wallboard unit structure. The utility model provides such a new type integrated decorative wallboard unit structure, including fire -retardant layer board, connecting piece, wall body board and decoration structure, the fire -retardant layer board front and back both sides all are provided with a plurality of connecting pieces, a plurality of connecting pieces are commonly installed with wall body board, and the wall body board outside is provided with decoration structure, and decoration structure is used for decorating wall body board. Through the use tool rotation screw rod, when screw rod is screwed, screw rod will extrude contact plate horizontal movement, and contact plate moves and drives the synchronous movement of the clamping plate, makes it insert the clamping groove in the inside preset of fire -retardant layer board, thereby the splicing of decorative wallboard is quickly, conveniently completed, and the wall body board connection strength is improved.

The utility model discloses a field battlefield hospital floor unit and floor structure, including floor unit, a plurality of floor units are mutually spliced to form the floor structure, the floor unit includes the cylinder of hexagonal prism structure, the upper end of the cylinder is open, and the lower end of the cylinder is closed. A cover plate is detachably mounted at the upper end of the barrel to seal an opening in the upper end of the barrel, and a plurality of adjusting bolts are arranged at the lower end of the barrel; and at least one through hole is correspondingly formed in each of at least two opposite side surfaces of the cylinder body. The floor units of the hexagonal structure are adopted, the floor structure can be conveniently spliced, various medical equipment pipelines can be conveniently arranged in a penetrating mode through the detachable structure and the through holes formed in the cylinder body, the integration degree is high, the pipelines are located in the floor structure, the occupied space is small, higher safety is achieved, and meanwhile the floor units are convenient to assemble and disassemble. Adjusting bolts are arranged on the lower portions of the floor units, so that the levelness of the floor units is convenient to adjust, and better terrain adaptability is achieved.

The utility model discloses a tower crane foundation construction splicing template, which comprises a main plate, a first connecting plate and a second connecting plate, the left end of the main plate is provided with the first connecting plate, the top end of the first connecting plate is provided with a clamping head, the clamping head is provided with a first lock hole, the right end of the main plate is provided with the second connecting plate, and the second connecting plate is provided with a second lock hole. A clamping groove is formed in the top of the second connecting plate, a second lock hole is formed in the clamping groove, a first movable groove is formed in the first connecting plate, a sliding block is fixed to the upper wall of the interior of the first movable groove, a second movable groove is formed in the second connecting plate, and a sliding block is fixed to the upper wall of the interior of the second movable groove. According to the tower crane foundation construction splicing formwork, the main plate, the first connecting plate and the second connecting plate are arranged, the first connecting plate and the second connecting plate slide on the left side and the right side of the main plate through the sliding grooves, the left side of the main plate moves in the first movable groove, the right side of the main plate moves in the second movable groove, and the size of the formwork can be conveniently changed according to actual needs.