465 results about "Weight-bearing ability" patented technology

This application discloses a side-folding trailer with a first and second side frame connected by cross bars and a lifting rod at the folding center. The side frames have a base frame assembly connected to the lifting rod. Sliding sleeves on each side of the crossbar set connect to the side frames. The crossbar set includes first, second, fifth, and sixth crossbars with offset centers, minimizing the lifting rod's downward movement. This prevents the lifting rod from interfering with the misaligned and overlapping wheels when folded, optimizing storage. The lifting rod suspending the base frame significantly enhances its load-bearing capacity. The invention relates to outdoor activity equipment and aims to provide a trailer that does not increase in height when folded, ensuring efficient storage and improved load-bearing capacity through its unique design features.

The utility model relates to the technical field of foot stands, in particular to a bicycle foot stand which comprises a foot stand body, a high-strength mechanism is arranged on the inner wall of the foot stand body, universal adjusting mechanisms are arranged on the surface of the foot stand body and the surface of an adjusting rod, and high-stability mechanisms are arranged on the surface of a connecting frame. According to the utility model, the foot stool can be suitable for bicycles with different heights when being used, the universality of the foot stool is stronger, the stability of the foot stool is higher when being used, the foot stool can support the bicycle more firmly when being used, the phenomenon that the bicycle topples over in the use process of the foot stool is avoided, and the service life of the foot stool is prolonged. And moreover, when the foot stool is used, the overall structure of the foot stool body is stronger, the bearing capacity for a bicycle is stronger, the phenomenon that the foot stool is bent and damaged in the using process is avoided, and the foot stool is more durable.

The invention relates to the technical field of bridge construction, in particular to a large-span bent cap cast-in-place support system suitable for double cylindrical piers and a construction method. The large-span bent cap cast-in-place support system comprises a bracket supporting assembly and a bearing truss beam assembly which are arranged on a pier column; the bracket supporting assembly is anchored on the pier column to support the bearing truss beam assembly; the cast-in-place support system further comprises a displacement limiting assembly used for limiting displacement of the pier columns and the load-bearing truss beam assembly in the radial direction of the pier columns, and a load-bearing platform assembly is arranged above the load-bearing truss beam assembly. Through the bent cap cast-in-place support system, the bent cap cast-in-place support system has the advantages of being large in bearing capacity, large in spanning capacity, large in structural strength and rigidity, stable in structure, capable of reducing construction difficulty, low in construction cost, high in construction efficiency and capable of effectively shortening the construction period.

The utility model provides a semi-finished reinforcing steel bar placing frame which aims to solve the problems of storage and taking of semi-finished reinforcing steel bars. The placing frame comprises a supporting frame body, a stock bin and a material taking assembly. The stock bin is fixed to the supporting frame body and provided with a feeding port and a discharging port, and semi-finished reinforcing steel bars can be placed in the feeding cavity. The material taking assembly comprises a transmission shaft and a material taking gear, and the gear is fixedly arranged on the transmission shaft in a sleeving mode and extends into the discharging opening of the material bin. Through operation of the ratchet wheel assembly, the transmission shaft and the material taking gear can be driven to rotate, and therefore the steel bars are taken out of the discharging opening. The placing frame is simple in structure, low in cost and capable of ensuring that the steel bars are arranged in order and avoiding disorder and waste. And meanwhile, only one steel bar can be taken out each time, so that the working efficiency is improved. The overall stability is good, the bearing capacity is high, and steel bars with various diameters and lengths can be adapted. The use is convenient, safe and reliable, and the construction efficiency and quality can be greatly improved.

The invention relates to the technical field of robots, in particular to a hexapod robot based on heterogeneous bionic foot groups, which comprises a robot body, four advancing legs and two buffer legs, one marching leg, one buffering leg and one marching leg form a foot group in sequence, and the two foot groups are oppositely mounted on the left side and the right side of the robot body; the advancing leg and the buffering leg are respectively formed by movably connecting a plurality of sections of joint limbs; the marching leg comprises a tail end marching joint, the middle of the tail end marching joint is connected with a previous joint limb, and a track is installed on the tail end marching joint in a rolling mode around the limb and used for making contact with the ground; the buffer legs flexibly move between the machine body and the ground; the problem that an existing hexapod robot structure generally has difficulty in cooperative coexistence of terrain adaptive capacity, movement efficiency and load performance (namely bearing capacity) is solved.

The utility model discloses fiber placement equipment which is characterized in that unwinding devices are arranged on one side or two sides of a main machine frame, redundant supporting rollers are arranged at the rear ends of the unwinding devices, and the fiber placement equipment improves the defects that in the prior art, in the actual use process, composite materials still have high strength in the direction of silk threads of the composite materials; however, the strength is much lower in the direction perpendicular to the silk yarn direction, the adjacent part is bonded through glue in the direction perpendicular to the silk yarn direction, the strength can be improved to a certain extent, and compared with the scheme that glue is sprayed on the whole layer, the use amount of the glue is smaller, and the amount of dropped and scraped waste glue is small; the tensile strength in the silk thread direction is equivalent to that in the prior art, the tensile strength in the direction perpendicular to the silk thread direction is 10-20% larger than that in the prior art, the bearing capacity of the technology can be improved to a certain degree, and the production value is large.

The utility model relates to the technical field of energy storage integrated cabinets, and discloses a cabinet body suitable for an energy storage integrated cabinet, which comprises a main body, a plurality of groups of support frames are arranged in the main body, a bottom plate of the main body is provided with a wire inlet, each support frame comprises an L-shaped side frame, a positioning bearing frame and an edge folding support, and two ends of each L-shaped side frame are detachably connected with the side wall of the main body through bolts. The positioning bearing frames are arranged at the two ends of the bottom of the L-shaped side frame, the edge folding support is arranged in the center of the bottom of the L-shaped side frame, a wire inlet box is arranged above the wire inlet, and a cover plate is obliquely arranged at the top of the wire inlet box. According to the utility model, the battery cell module can be stably carried, the bearing capacity is strong, the incoming line condition can be improved, the space occupied by incoming lines in the cabinet is reduced, and the use effect of the cabinet body is effectively improved.

The utility model relates to the field of decorative suspended ceilings, and discloses a green assembly type building decorative suspended ceiling which comprises a supporting top, a plurality of auxiliary keels are transversely arranged in the supporting top, a plurality of main keels are longitudinally arranged in the supporting top, and a decorative plate is arranged on the bottom face in the supporting top. A plurality of first mortises are formed in the front side and the rear side of the supporting top respectively, every two corresponding first mortises in the front-back direction form a group, the main keel is located between the first mortises in each group, first tenons are fixed to the two ends of the main keel respectively, and the first tenons are connected with the first mortises in a clamped mode. According to the utility model, the connection mode of the main keels and the auxiliary keels is optimized, so that the whole suspended ceiling system has enough stability and bearing capacity, and meanwhile, the device adopts prefabricated parts and a clamping mode, so that the installation process is simple, convenient and rapid, and the complexity and time consumption of site construction are reduced.

A modular rack system designed to be configurable for hauling various sizes and shapes of gear. The geometry of the rails in combination with corner supports allow components to be added or removed easily. Structural connection to the vehicle bed with or without a tonneau cover provides for offroad or heavy duty use. The rack is designed to fit within the aerodynamic profile of the vehicle to minimize its footprint when not in use. The lightweight construction, bracketry and vehicle connections allow the rack system to be removed from the vehicle without disassembly. When combined with a structural load carrying tonneau cover, gear can be supported by the cover aiding the load carrying capacity of the rack system. Height adjustment of the rack system provides clearance with the vehicle when carrying longer items.

The invention discloses a high pier multifunctional construction platform which is characterized in that the high pier multifunctional construction platform comprises an upper main platform (3) and a lower main platform (3), the main platforms (3) are connected with triangular load-bearing hanging frames (2) respectively, and the triangular load-bearing hanging frames (2) are connected with load-bearing embedded holes of pier columns through positioning load-bearing pins (5); a jacking oil cylinder (6) is arranged on the triangular load-bearing hanging frame (2) of the lower main platform (3), and a jacking oil cylinder piston rod (7) of the jacking oil cylinder (6) is connected with an oil cylinder lug seat in the middle of the upper triangular load-bearing hanging frame (2). The positioning bearing pin is used as a bearing foundation of the climbing frame, and the climbing frame is simple in structure, not prone to falling off, higher in safety and capable of being repeatedly used. The triangular load-bearing hanging frame is of an integral type, the structure is simpler, the triangular load-bearing hanging frame can be conveniently connected with the jacking oil cylinder, and operation is more convenient. The whole climbing frame is few in structural component, light in weight, high in bearing capacity and easy to store and transport in a classified mode, and storage cost and transportation cost are correspondingly saved.

The utility model belongs to the technical field of AGVs (Automatic Guided Vehicles), and relates to a lifting type heavy-load AGV capable of running stably, which comprises an AGV body, lifting plates which are arranged at four corners of the AGV body and are driven by a lifting mechanism to lift, four groups of steering wheels arranged at the bottom of the AGV body, and a navigation mechanism arranged on the AGV body, the AGV is characterized in that the two sets of steering wheels on each side of the AGV body are mounted on the AGV body through a first-stage balance mechanism, the first-stage balance mechanism comprises mounting groove frames, a rotary mounting frame and a first-stage balance rotating shaft, and the mounting groove frames with downward notches are fixedly mounted on the two sides of the bottom of the AGV body; a rotary mounting frame is rotationally mounted in the mounting groove frame through a first-stage balance rotating shaft, and steering wheels are symmetrically mounted at the front end and the rear end of the rotary mounting frame. The heavy-load AGV is scientific and reasonable in structural design, has the advantages of being simple in structure, stable in running, stable in loading, high in bearing capacity and easy to achieve, and is a heavy-load AGV with high innovativeness.

The invention relates to the technical field of railway catenary erection equipment, in particular to a forged bolt-free type dropper clamp and an adjustable integral dropper, one end is used for being matched with a dropper, the other end is used for being matched with a carrier cable or a contact line, the forged bolt-free type dropper clamp comprises two half clamps which are detachably connected, and each half clamp comprises a lifting hook and a clamping jaw. When the two half clamps are connected, the two lifting hooks are matched to form a connecting ring matched with a dropper, the two clamping jaws are matched to form a clamping jaw, the clamping jaw has a first form matched with a carrier cable and a second form matched with a contact line, and the two half clamps are symmetrically arranged when connected. The two half clamps comprise inserting blocks and inserting grooves, the inserting blocks are matched with the inserting grooves, when the two half clamps are connected, the inserting block of one half clamp is matched with the inserting groove of the other half clamp in an inserting mode, the stress area of the inserting structure is increased, stress is uniform, the bearing capacity is higher, and the structure is more stable.

The invention relates to the technical field of buildings, and discloses a recyclable universal back arris and a mounting method.The recyclable universal back arris comprises two back arris bodies and a connecting frame, each back arris body comprises two camber beams, a plurality of connecting plates are welded between the two camber beams, and the connecting frame is connected with the camber beams. The camber beams, the connecting plates and the connecting frames are all made of steel. The ends, close to each other, of the two back ridge bodies are slidably connected to the outer side of the connecting frame, and an adjusting mechanism is arranged in the connecting frame. The back arris is reasonable in design, the back arris is made of steel, the back arris has extremely high strength and bearing capacity, the back arris can be conveniently and rapidly installed through the installed installation mechanism, the installation mode is high in universality, and therefore the back arris can be suitable for different use scenes, cyclic utilization of the back arris is facilitated, and the concept of green construction is met; the length of the back ridges can be adjusted according to needs through the adjusting mechanism, and the flexibility and adaptability of construction are improved.

The invention relates to the technical field of mortise and tenon joint structures, and discloses a novel mortise and tenon joint structure spliced in a standard component form, which comprises a plurality of groups of structural units, and the structural units are provided with splicing parts arranged based on a yin-yang logic sequence; the splicing part comprises at least one male tenon and at least one female tenon; the male tenon is of a protruding structure, and the female tenon is of a groove or hole structure. According to the mortise and tenon joint structure, one-female-one-male infinite circulation serves as the logic, multi-direction meshing is supported to achieve three-dimensional splicing, compatible splicing can be achieved through any materials and sizes, and through half-opening meshing, overall locking design and precise size and tolerance control, the mortise and tenon joint structure can be assembled in a one-female-one-male mode. The stability and the bearing capacity are greatly improved, the science popularization value of traditional woodworking skill display and engineering mechanics is achieved, the intelligence development performance is high, combination is diversified, the problem that a traditional splicing mode is single is solved, and small mortise and tenon joints and large intelligence are achieved.

This application discloses a door hinge for a micro-pressure oxygen chamber, belonging to the field of micro-pressure oxygen chamber technology. It includes a fixed component and a rotating component, which are rotatably connected. The rotating component is equipped with a bearing assembly, which drives the fixed component to rotate. This application reduces the coefficient of friction during the rotation of the rotating shaft by setting multiple bearings at the top and bottom of the pin and the rotating shaft. Furthermore, the cooperation of the retaining ring and bearings ensures the rotational accuracy of the rotating shaft, thereby ensuring easy opening and closing of the micro-pressure oxygen chamber door. Multiple bearings distribute the force, extending the hinge's service life. The addition of a reinforcing plate increases the hinge's load-bearing capacity, preventing wear and deformation even after prolonged use. This prevents the door from shifting, better ensuring the door's sealing effect and improving user comfort. The hinge is simple to install, has a reliable fixing method, high load-bearing capacity, and an aesthetically pleasing appearance.

A thickened raised floor comprises a ceiling having a ground side and a honeycomb side opposite to each other; the rib structure comprises first to seventh ribs which are at least 25mm in height and serve as main ribs; wherein the thickness of the top plate in each concave area defined by the two fourth ribs and the two fifth ribs and the thickness of the top plate in each concave area defined by the fourth ribs, the fifth ribs and the two seventh ribs are larger than the thickness of the top plate in the other concave areas, and a plurality of blind holes located on the honeycomb side are formed in the top plate in each concave area. Therefore, the structural strength and the bearing capacity of the thickened raised floor are improved, and the thickened raised floor can bear heavy machine equipment with increasing weight in the semiconductor technology.

To provide a packaging box whose bottom can be easily and reliably assembled and whose load-bearing capacity on the bottom can be increased.SOLUTION: A packaging box 1 includes a bottom part 30 having front and rear end flaps 31, 31 and left and right side flaps 32, 32. A protruding part 35 that protrudes toward the tip side is formed at one corner part of the tip of the side flap 32, and an insertion part 36 that is inserted into a connecting hole 33 of the end flap 31 is formed at the other corner part of the tip of the side flap 32. At the tip of the side flap 32, an inclined part 37 protruding toward the tip side as it moves from the protruding part 35 side toward the insertion part 36 side is formed between the protruding part 35 and the insertion part 36. The protruding part 35 of one side flap 32 enters the inner surface side of the inclined part 37 of the other side flap 32.SELECTED DRAWING: Figure 3

The present invention provides a cage-type shell load-bearing structure that is convenient for combined disassembly and assembly, belonging to the field of investment casting shell manufacturing. It includes: a support frame; the annular support frame is an annular support structure formed by connecting a left semi-ring and a right semi-ring through transverse support rods. Multiple annular support frames can be spliced, and the annular support frames are connected to each other through fixing bolts. The cage-type shell load-bearing structure that is convenient for combined disassembly and assembly of the present invention adopts a modular design, enabling the annular support frame to be assembled in multiple sections to increase the length of the annular support frame. In cooperation with the closed support frame to combine the two sides of the annular support frame, the closed support frame and the annular support frame form a circular ring, thereby improving the load-bearing capacity of the annular support frame and preventing the annular support frame from deforming due to extrusion, which is beneficial to improving the strength and stiffness of the load-bearing structure, so as to solve the problem that the load-bearing structure is weak in stiffness and strength, resulting in easy deformation of the load-bearing structure and damage to the mold.

The present invention discloses a light-weight, extremely fast assembled building system, including pipe fittings, plates, connectors and bolts; the four sides of the pipe fittings are provided with a plurality of locking grooves, the locking grooves are equidistantly arranged on the sides of the pipe fittings, pins are arranged in the locking grooves, and through holes are also arranged at the ends of the side of the pipe fittings; the pipe fittings can be used as beams or columns; the four sides of the plate are provided with rotating buckles corresponding to the locking grooves, the rotating buckles are inserted into the locking grooves and rotated to tighten the pins to splice the plate and the pipe fittings; the connectors are made of aluminum alloy, including a connecting body and a connecting column, at least one side of the connecting body is provided with a connecting column, and the six sides thereof are provided with or without connecting columns according to whether the pipe fittings are actually connected; the connecting column matches the inner cavity of the pipe fitting, and the end thereof is provided with a screw hole opposite to the through hole, the connecting column is inserted into the end of the pipe fitting so that the connecting body is matched with the end of the pipe fitting, and the bolt passes through the through hole and is locked into the screw hole. The present invention is easy to assemble and disassemble, has a concealed structure, high building stability, strong load-bearing capacity, and supports multi-story construction.

The utility model relates to a reinforcing structure, belongs to the technical field of foundation reinforcing construction, and particularly relates to a reinforcing structure at a connecting joint of a building load-bearing wall and a raft foundation, which comprises the raft foundation, a plurality of first steel-concrete walls are fixedly mounted on the surface of the raft foundation, and a plurality of second steel-concrete walls are fixedly mounted on the surface of the raft foundation. A second steel-concrete wall body is fixedly installed on the peripheral wall of each first steel-concrete wall body, and a plurality of embedded steel bars are jointly and fixedly installed in the raft-shaped foundation and the inner bottom of the second steel-concrete wall body; the effects that the bearing capacity is enhanced, and a building is more stable are achieved, and the problems that an existing reinforcing structure is poor in bearing capacity, lack of steel bar supporting, not firm enough in connecting point, and insufficient in foundation bearing capacity and building safety coefficient are solved.

The present invention relates to a special anti-deformation material and box structure for pallets, and belongs to the technical field of transport box structures. The box structure includes a base, a cover plate, two first side plates, two second side plates and a plurality of pull rods. The bottoms of the two first side plates are clamped on the base, the bottoms of the two second side plates are clamped on the base, and the two first side plates and the two second side plates are clamped together to form a circular structure through the side ends. A plurality of the pull rods are clamped in an array between the tops of the two first side plates. The two first side plates are provided with a latch assembly, and the bottom of the cover plate is clamped on the tops of the two first side plates and the two second side plates. By ensuring the firmness of the box structure while adopting a wave structure for lightweight design, and the various components are all detachable, which is convenient for transportation and installation, the box structure as a whole has good load-bearing capacity, is stable and has good buffering performance.

The utility model provides a kind of large-tonnage portal crane's supporting leg structure, including rigid supporting leg, flexible supporting leg and the main beam of connecting rigid supporting leg and flexible supporting leg;Rigid supporting leg includes two symmetrically arranged first supporting legs, the upper end of two first supporting legs is provided with first support seat, the downside middle part of first support seat is provided with inverted V-shaped gap, the inclined side surface of the both sides of inverted V-shaped gap is opposite to the side surface of first supporting leg and is located in the same plane;The lower end of two first supporting legs is connected by first ground beam, and the downside of first ground beam is provided with travelling trolley;Flexible supporting leg includes two symmetrically arranged second supporting legs, the top of two second supporting legs is provided with wedge-shaped gap correspondingly, two wedge-shaped gaps are docked, the lower end of two second supporting legs is connected by second ground beam, and the upper end of two second supporting legs is provided with second support seat.The large-tonnage portal crane's supporting leg structure is more stable, and the bearing capacity is stronger, not easy to deform, suitable for being applied to large-tonnage portal crane.

The embodiment of the utility model provides a finished product inspection bench for guide rail production, and relates to the technical field of guide rail production and machining.The finished product inspection bench comprises a base, supporting legs are fixedly installed at the four corners of the top of the base, and efficient detection of a guide rail body is achieved through cooperation of a driving mechanism and a detection mechanism; the sliding block and the top seat are driven by the first motor to move to adapt to guide rails of different sizes; the second motor drives the guide roller to rotate and assists the guide rail in transversely sliding on the bearing plate to achieve all-dimensional detection, the combination of the hydraulic cylinder and the pressure sensor is used for detecting the compression resistance bearing capacity and the surface flatness condition of the guide rail, in the detection process, the guide roller transversely moves and cooperates with the pressing roller to roll on the guide rail, and pressure fluctuation is detected through the pressure sensor. The device not only is convenient and accurate in detection, but also is high in adaptive capacity, can synchronously detect the bearing capacity and the surface quality of the guide rail, and remarkably improves the overall use performance.

The utility model relates to a steering wheel, in particular to a steering wheel with high stability, which comprises two fixing plates, a transmission system and a steering system, the transmission system and the steering system are arranged on the two fixing plates, the transmission system comprises a walking driving motor and a wheel arranged on one side of the walking driving motor, and an input shaft is arranged on the walking driving motor. An output helical-tooth sun gear, an output helical-tooth planet gear and an output helical-tooth gear ring are sequentially arranged on the outer side of the input shaft, the output helical-tooth sun gear and the output helical-tooth planet gear are each provided with a helical-tooth structure, and the steering system comprises a steering connecting flange and a steering driving motor fixed to the lower end face of the steering connecting flange; the output end of the steering driving motor is connected with a straight tooth gear, and a slewing bearing outer ring and a slewing bearing inner ring are sequentially arranged at the end, away from the steering driving motor, of the straight tooth gear. According to the steering wheel, the two sides of the wheel are supported through the two fixing plates, so that the bearing capacity is higher, and the overall stability is improved.

The present application relates to the technical field of shipbuilding plant, especially to large tonnage ship, ship modularization, digital construction technology, in particular to a kind of support frame structure of shipyard load floor;Including the support rod of section being "T" shape, also include the connecting rod or connecting plate being arranged in the both sides of support rod.The above-mentioned "T" shape support rod and its accompanying connecting rod structure proposed in the present application are easy to mass production and have guaranteed quality, at the same time, I-beam or rail is used as support rod, which has stronger load capacity, and avoids the quality risk of thick plate welding, at the same time, the load floor proposed in the present application connects support member with floor reinforcement during manufacturing process, so that after concrete pouring and solidification, higher "integrity" and bearing capacity can be realized, and the problems of floor collapse and cracking caused by long-term load in later period are avoided.

The utility model provides a supporting device of a printing and dyeing machine arrangement frame, which relates to the technical field of arrangement frame supporting and comprises a bottom mechanism, the bottom mechanism comprises two sleeve frames, a connecting frame is arranged between the two sleeve frames, and a reinforcing frame is arranged on the sleeve frames. According to the pulley fixing device, the embedded frame is plugged into the sleeve frame, then a worker can place the pulley at the position, corresponding to the embedded frame, of the sleeve frame, and then the worker can fix the pulley by attaching the protective pad and rotating the mounting pin to enable the mounting pin to penetrate through the protective pad, the embedded frame and the sleeve frame in a threaded rotation mode. In this way, a worker can push the supporting frame more conveniently, one end of the supporting frame is welded to the sleeve frame, and the supporting frame and the sleeve frame are connected and reinforced through the reinforcing frame, so that the bearing capacity of the supporting frame in the actual use process is improved, and the practicability of the supporting frame in the actual use process is improved.

The utility model discloses a multi-degree-of-freedom mechanical arm mechanism and a mining lagging jack trolley, the multi-degree-of-freedom mechanical arm mechanism comprises a mechanical arm, rotating arms and a connecting arm, the rotating arms comprise a first rotating arm, a second rotating arm and a third rotating arm, the second rotating arm is connected with the first rotating arm, the second rotating arm is perpendicular to the first rotating arm, and the third rotating arm is connected with the connecting arm. One end of the connecting arm is connected with the second rotating arm, the other end of the connecting arm is connected with the third rotating arm, the third rotating arm is perpendicular to the second rotating arm, and the manipulator is connected with the third rotating arm; connecting rods used for being connected with a hanging basket are arranged on the two sides of the connecting arm, and through holes are formed in the connecting rods; and the manipulator is also provided with a through hole connected with the hanging basket. The mechanical arm mechanism has the effects that the use freedom degree of the mechanical arm mechanism is improved, and the bearing capacity of the end of the mechanical arm mechanism is optimized.

The utility model relates to a steel partition plate reinforced concrete arch slab roof structure which structurally comprises an upper chord and a lower chord, a plurality of steel partition plates are arranged between the upper chord and the lower chord, a plurality of connecting pieces are arranged on the lower surface of the upper chord and the upper surface of the lower chord respectively, and each steel partition plate comprises two vertical stand columns. The two stand columns are connected through a connecting rod, and the upper ends and the lower ends of the stand columns are connected with the connecting pieces. The connecting piece comprises an inner bottom plate, an outer bottom plate, anchor bars and connecting plates, the inner bottom plate and the outer bottom plate are parallel to each other and are connected through the anchor bars, the number of the connecting plates is two, the two connecting plates are parallel to each other and are perpendicularly arranged on the surface of the outer bottom plate, and bolt holes are formed in the connecting plates. The steel partition plate is simple in structure, convenient to use, low in production cost and high in bearing capacity, and the overall quality of the reinforced concrete arch slab roof structure can be guaranteed.

The utility model belongs to the field of steel structure buildings, and particularly relates to a steel structure with a reinforcing structure, which comprises a stand column, the top of the stand column is fixedly connected with a top beam, the outer wall of the stand column is fixedly connected with a supporting ring seat, the supporting ring seat is provided with the reinforcing structure, and the reinforcing structure comprises a first hinge seat. A first hinge seat is arranged at the top of the supporting ring seat, a first hinge rod is hinged to the top of the first hinge seat, a connecting seat is slidably connected to the outer wall of the first hinge rod, and a second hinge rod is slidably connected to the inner wall of the connecting seat. According to the steel structure with the reinforcing structure, through cooperation of a first hinge seat, a first hinge rod, a connecting seat, a second hinge rod, a second hinge seat, a convex block and a reinforcing seat, the connecting structure of the stand column and the fixed beam is reinforced, the stability and the bearing capacity of the whole structure are effectively improved, in the using process, the reinforcing structure can resist the action of external force, and the service life of the steel structure is prolonged. And the stability and the safety of the whole structure are ensured.

Provided is a folding telescopic stool with a backrest that can provide back support to the user in the usage state without affecting the folding and storage function, can effectively improve the load-bearing capacity of the stool body, and can improve the comfort of the cushion. 【Solution means】The stool includes a base 1, and a lifting assembly including a plurality of load-bearing rings 2, 3, 4 that are mounted above the base and assembled by being nested from the outside to the inside in sequence, wherein a lifting lock structure is provided between adjacent load-bearing rings, a lifting assembly, a stool panel 5 mounted above the lifting assembly, and a backrest 6 rotatably mounted at the rear end of the stool panel. The lifting lock structure has a locked position and an unlocked position switched by the same-direction rotation along the circumferential direction of all the load-bearing rings.