Fabricated temporary steel bridge
By designing a self-aligned structure in the prefabricated steel bridge, and using rotatable docking components and clamping mechanisms, the problem of positioning deviation in the prior art is solved, fast and accurate alignment and installation are achieved, and construction efficiency is improved.
Patent Information
- Application Number
- CN202311647471.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-04
- Publication Date
- 2025-06-06
AI Technical Summary
During the construction and installation process of existing prefabricated steel bridges, there is a lack of a structure with its own alignment, resulting in early positioning deviations or misalignment, affecting the accuracy of subsequent installation and resulting in construction delays.
A prefabricated steel bridge is designed, adopting a combined structure of base, butt rod, pipe pile assembly, beam and bridge deck panel. Through the rotatable butt assembly and clamp mechanism, rapid and effective alignment is achieved.
Through the built-in alignment structure, the probability of positioning deviation is reduced, the accurate installation of subsequent structural components is ensured, and the overall construction efficiency is improved.
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Figure CN120099849A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of steel temporary bridges, and more specifically, to an assembled steel temporary bridge. Background Art
[0002] A steel temporary bridge is a temporary bridge used in engineering construction. It is generally divided into an upper bridge deck structure and a lower support structure. The components of the bridge are mostly assembled in a splicing manner. It has the characteristics of convenient transportation, quick erection, and large load capacity. However, in the current construction and installation process, the basis for rapid construction is based on accurate positioning and marking on the outside. The steel temporary bridge itself does not have a positioning structure. If there is a deviation or misalignment in the early positioning, it will directly affect the subsequent overall installation and cause delays in the overall construction. Therefore, this needs to be improved. Summary of the invention
[0003] In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to propose an assembled steel temporary bridge, which has its own alignment structural components, which can be quickly and effectively aligned, reduce the probability of positioning deviation, ensure the accuracy of subsequent installation of other structural components, and improve the overall construction efficiency.
[0004] To achieve this object, the present invention adopts the following technical solutions: The present invention provides an assembled steel temporary bridge, comprising a base, a docking rod, a pipe pile assembly, a beam, and a bridge deck; the pipe pile assembly is supported and installed between the base and the beam; clamps are installed at both ends of the beam, the bridge deck is framed between a plurality of beams, and the clamps clamp and lock both sides of the bridge deck; docking assemblies are installed at both ends of the base, one end of the docking rod can be detachably installed on the docking assembly, and is swung with the docking assembly as a fulcrum, so that the other end of the docking rod is framed on the docking assembly of another base, and alignment between the two bases is completed by the two docking rods.
[0005] In a preferred technical solution of the present invention, the top surface of the base is provided with a plurality of first pipe seats for adapting to the pipe pile assembly, and the bottom surface of the frame beam is provided with a plurality of second pipe seats for adapting to the pipe pile assembly; the bottom end of the pipe pile assembly is inserted into the first pipe seat and fixed by bolts; the top end of the pipe pile assembly is inserted into the second pipe seat and fixed by bolts.
[0006] In a preferred technical solution of the present invention, the pipe pile assembly includes at least three pipe piles, and a reinforcement piece is installed between two adjacent pipe piles, and the reinforcement piece forms an X-shaped structure.
[0007] In a preferred technical solution of the present invention, the four corners of the reinforcement are bent downward to form four pins; the pipe pile is a square bar pile structure, and the outer wall of the pipe pile is fixedly provided with a first convex ring and a second convex ring, and the top surface of the first convex ring corresponds to the four walls of the pipe pile and is provided with a plurality of first plug holes, and the plurality of first plug holes are distributed in an array around the central circumference of the pipe pile; the top surface of the second convex ring corresponds to the four walls of the pipe pile and is provided with a plurality of second plug holes, and the plurality of second plug holes are distributed in an array around the central circumference of the pipe pile; the shapes of the first plug hole and the second plug hole are adapted to the shapes of the corresponding pins; the two pins on the same side of the reinforcement are respectively plugged into and matched with the first plug hole and the second plug hole, and are fixed by bolts.
[0008] In a preferred technical solution of the present invention, the base includes a support plate, and a plurality of first pipe seats are provided on the top surface of the support plate corresponding to the plurality of pipe piles, the inner diameter of the first pipe seat is adapted to the outer diameter of the pipe pile, the bottom end of the pipe pile is inserted into the first pipe seat and fixed by bolts; the docking assembly includes a support seat, two pipe heads, and two support brackets, the support seat is fixedly arranged on the end top surface of the support plate, the top surface of the support seat is provided with a groove extending along the width direction of the support plate, and the two pipe heads are rotatably installed in the groove by bolts; the support bracket is a U-shaped structure, the support bracket is arranged on the outer sides of both ends of the support seat, and the support bracket is fixed on the support plate; a second threaded hole is provided on the pipe head, and the pipe head can swing in a direction away from the center of the support seat until the axis of the second threaded hole coincides with the axis of the support bracket; the diameter of the second threaded hole, the diameter of the docking rod, and the width of the bearing mouth of the support bracket are adapted; one end of the docking rod is threadedly connected and installed at the second threaded hole, and the other end of the docking rod is fixedly provided with a clamping block, which can be erected at the support bracket of another base.
[0009] In a preferred technical solution of the present invention, when the tube head is placed with the opening of the second threaded hole facing upward, the distance between the side wall of the tube head and the support bracket is adapted to the thickness of the clamping block, and the clamping block is clamped between the tube head and the support bracket.
[0010] In a preferred technical solution of the present invention, the frame beam includes a bracket, and a clamping piece movably installed at both ends of the bracket, the second pipe seat is installed on the bottom surface of the bracket, the inner diameter of the second pipe seat is adapted to the outer diameter of the pipe pile, the top of the pipe pile is inserted into the second pipe seat and fixed by bolts; the bracket is provided with a plurality of clamping grooves penetrating the two groove walls of the bracket, the plurality of clamping grooves are evenly spaced along the length direction of the bracket, and the bottom of the clamping groove extends to the bottom of the bracket; a plurality of first clamping strips are fixedly provided on the bottom surface of the bridge deck, the position of the first clamping strip corresponds to the position of the clamping slot, the first clamping strip is clamped at the clamping slot, and the bottom surface of the first clamping strip abuts against the bottom of the bracket; second clamping strips are correspondingly provided on both sides of the bridge deck, the cross-section of the second clamping strip is an L-shaped structure, the clamping piece moves along the length direction of the frame beam, and can be clamped with the second clamping strip to prevent the bridge deck from detaching.
[0011] In a preferred technical solution of the present invention, the clamping member includes a push plate, the side wall of the push plate is vertically fixed with at least one guide strip, and the top of the side wall is fixed with a convex strip; the end surface of the bracket is correspondingly provided with a guide hole, and the shape of the guide hole is adapted to the shape of the guide strip; the top surface of the end of the bracket is correspondingly provided with a second countersunk hole corresponding to the guide hole, and a guide bolt is installed at the second countersunk hole, and the guide strip is correspondingly provided with a strip hole, and the guide bolt passes through the strip hole; the clamping member moves along the guide hole, and the convex strip is clamped with the second clamping strip.
[0012] In a preferred technical solution of the present invention, a first magnet block is embedded in the end face of the bracket, and a second magnet block is correspondingly disposed on the wall surface of the push plate; when the push plate abuts against the end face of the bracket, the first magnet block is magnetically connected to the second magnet block.
[0013] The beneficial effects of the present invention are: The present invention provides an assembled steel temporary bridge, comprising a base, a docking rod, a pipe pile assembly, a beam, and a bridge deck; the pipe pile assembly is supported and installed between the base and the beam; clamps are installed at both ends of the beam, the bridge deck is framed between a plurality of beams, and the clamps clamp and lock the two sides of the bridge deck; the overall assembled structure is adopted, which can facilitate the processing and production of various structural components, is also convenient for assembly, and can also facilitate the subsequent replacement of damaged parts; Docking components are installed at both ends of the base, one end of the docking rod can be detachably installed on the docking component, and swung with the docking component as a fulcrum, so that the other end of the docking rod is placed on the docking component of the other base, and the two bases are aligned through the two docking rods; the use of a rotatable docking component does not need to be restricted by the specific position of the connection part, and can facilitate the disassembly and assembly between the docking rod and the docking component, and the docking rod of appropriate length can be selected according to the working environment to meet different working conditions; and, because it is rotatable, after the docking rod is installed, it can only be swung in a specific direction, which means that the installation of the other base is limited, thereby achieving fast and effective alignment, reducing the probability of positioning deviation, ensuring the accuracy of subsequent installation of other structural components, and improving overall construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of an assembled steel temporary bridge provided in a specific embodiment of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of a base and a docking rod provided in a specific embodiment of the present invention; Figure 3 is a schematic diagram of the three-dimensional structure of a pipe pile assembly provided in a specific embodiment of the present invention; Figure 4 is a schematic diagram of the three-dimensional structure of a reinforcement member provided in a specific embodiment of the present invention; Figure 5is a schematic diagram of the three-dimensional structure of a pipe pile provided in a specific embodiment of the present invention; Figure 6 is a schematic diagram of the three-dimensional structure of a base provided in a specific embodiment of the present invention; Figure 7 It is a three-dimensional structural schematic diagram of a beam and a clamp provided in a specific embodiment of the present invention; Figure 8 is a schematic diagram of the three-dimensional structure of a beam provided in a specific embodiment of the present invention; Fig. 9 is a schematic diagram of the three-dimensional structure of a card provided in a specific embodiment of the present invention; Fig.10 It is a schematic diagram of the three-dimensional structure of a bridge deck provided in a specific embodiment of the present invention.
[0015] In the figure: 100, base; 110, docking assembly; 111, support seat; 112, pipe head; 113, support bracket; 114, second threaded hole; 120, first pipe seat; 130, support plate; 200, docking rod; 210, clamping block; 300, pipe pile assembly; 310, pipe pile; 311, first convex ring; 312, second convex ring; 313, first plug hole; 314, second plug hole; 320, reinforcement; 321, pin; 400, frame beam; 410, clamping piece; 411, push plate; 412, guide strip; 413, convex strip; 414, strip hole; 415, second magnet block; 420, second pipe seat; 430, bracket; 431, clamping slot; 432, guide hole; 440, first magnet block; 500, bridge panel; 510, first clamping strip; 520, second clamping strip. Implementation
[0016] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.
[0017] like Figure 1 , Figure 2 As shown, a specific embodiment of the present invention discloses an assembled steel temporary bridge, including a base 100, a docking rod 200, a pipe pile assembly 300, a beam 400, and a bridge deck 500; the pipe pile assembly 300 is supported and installed between the base 100 and the beam 400; clamps 410 are installed at both ends of the beam 400, and the bridge deck 500 is built between multiple beams 400, and the clamps 410 clamp and lock both sides of the bridge deck 500; docking assemblies 110 are installed at both ends of the base 100, one end of the docking rod 200 can be detachably installed on the docking assembly 110, and swings with the docking assembly as a fulcrum, so that the other end of the docking rod is built on the docking assembly of another base, and the two bases are aligned by two docking rods.
[0018] The above-mentioned assembled steel temporary bridge includes a base, a docking rod, a pipe pile assembly, a beam, and a bridge deck; the pipe pile assembly is supported and installed between the base and the beam; clamps are installed at both ends of the beam, and the bridge deck is framed between a plurality of beams, and the clamps clamp and lock the two sides of the bridge deck; the overall assembled structure is convenient for the processing and production of various structural components, and is also convenient for assembly, and can also facilitate the subsequent replacement of damaged parts; Docking components are installed at both ends of the base, one end of the docking rod can be detachably installed on the docking component, and swung with the docking component as a fulcrum, so that the other end of the docking rod is placed on the docking component of the other base, and the two bases are aligned through the two docking rods; the use of a rotatable docking component does not need to be restricted by the specific position of the connection part, and can facilitate the disassembly and assembly between the docking rod and the docking component, and the docking rod of appropriate length can be selected according to the working environment to meet different working conditions; and, because it is rotatable, after the docking rod is installed, it can only be swung in a specific direction, which means that the installation of the other base is limited, thereby achieving fast and effective alignment, reducing the probability of positioning deviation, ensuring the accuracy of subsequent installation of other structural components, and improving overall construction efficiency.
[0019] Furthermore, if Figure 6 , Figure 7 As shown, the top surface of the base 100 is provided with a plurality of first pipe seats 120 for adapting to the pipe pile assembly, and the bottom surface of the frame beam 400 is provided with a plurality of second pipe seats 420 for adapting to the pipe pile assembly; the bottom end of the pipe pile assembly 300 is inserted at the first pipe seat 120 and fixed by bolts; the top end of the pipe pile assembly 300 is inserted at the second pipe seat 420 and fixed by bolts, so as to facilitate alignment and assembly, disassembly and assembly, so as to facilitate rapid construction and improve construction progress.
[0020] Furthermore, if Figures 3 to 5 As shown, the pipe pile assembly 300 includes at least three pipe piles 310, and a reinforcement member 320 is installed between two adjacent pipe piles 310. The reinforcement member forms an X-shaped structure, which effectively strengthens the structural strength of the entire pipe pile assembly, thereby improving the overall support strength and achieving a large load-bearing effect.
[0021] Furthermore, the four corners of the reinforcement member 320 are bent downward to form four pins 321; the pipe pile 310 is a square bar pile structure, and the outer wall of the pipe pile 310 is fixedly provided with a first convex ring 311 and a second convex ring 312, and the top surface of the first convex ring 311 corresponds to the four walls of the pipe pile 310 and is provided with a plurality of first plug holes 313, and the plurality of first plug holes 313 are distributed in an array around the central circumference of the pipe pile 310; the top surface of the second convex ring 312 corresponds to the four walls of the pipe pile 310 and is provided with a plurality of second plug holes 314, and the plurality of second plug holes 314 are distributed in an array around the central circumference of the pipe pile 310; the shapes of the first plug holes 313 and the second plug holes 314 correspond to the shapes of the corresponding pins 321 The two pins on the same side of the reinforcement are respectively plugged into and matched with the first socket and the second socket, and are fixed by bolts; a first through-hole is provided in the middle of each pin, and the bottom ends of the first socket and the second socket are blocked, and a first threaded hole is correspondingly provided in the middle of the outer wall of the first convex ring and the second convex ring, and the first threaded hole extends through the pipe wall of the pipe pile, and the pin is inserted into the corresponding socket, and fixed by the bolt penetrated at the first threaded hole; the assembly structure is adopted, which can be convenient for alignment and installation, and the pin is inserted into the first socket and the second socket at the same time until it cannot move, so that the position of the first through-hole and the first threaded hole can be corresponded, and then the bolt can be screwed in; Furthermore, the pipe pile is a square bar pile structure, four first sockets are matched on the first convex ring, and four second sockets are matched on the second convex ring, so that each wall surface of the pipe pile can cooperate with the reinforcement, and there is no need to place it in a corresponding direction, which is convenient for actual installation and use.
[0022] Furthermore, if Figure 6As shown, the base 100 includes a support plate 130, and a plurality of first pipe seats 120 are provided on the top surface of the support plate 130 corresponding to the plurality of pipe piles 310. The inner diameter of the first pipe seat is adapted to the outer diameter of the pipe pile, and the bottom end of the pipe pile 310 is inserted into the first pipe seat 120 and fixed by bolts; the docking assembly 110 includes a support seat 111, two pipe heads 112, and two support brackets 113. The support seat 111 is fixedly arranged on the top surface of the end of the support plate 130, and the top surface of the support seat is provided with a groove extending along the width direction of the support plate. The two pipe heads are rotatably installed in the groove by bolts, providing basic adjustment and structure of rotation support; the support bracket 113 is a U-shaped structure, and the support bracket 113 is arranged on the outer sides of the two ends of the support seat 111, and the support bracket is fixed on the support plate; the pipe head 112 is provided with a second screw The threaded hole 114, the tube head can be swung in the direction away from the center of the support seat until the axis of the second threaded hole coincides with the axis of the support bracket; the diameter of the second threaded hole 114, the diameter of the docking rod 200, and the width of the support opening of the support bracket 113 are adapted; one end of the docking rod is threadedly connected and installed at the second threaded hole, and the other end of the docking rod 200 is fixedly provided with a clamping block 210, which can be set on the support bracket 113 of another base; in actual use, the docking rod can be installed on the tube head, and then the docking rod can be swung to one side by swinging, and the alignment can be completed by swinging to the support bracket of another base, which is easy to use and operate; the number of tube heads is 2, and the corresponding tube head can be selected according to the actual working environment to facilitate actual operation so as to better perform the operation.
[0023] Furthermore, when the tube head 112 is placed with the opening of the second threaded hole 114 facing upward, the spacing between the side wall of the tube head 112 and the support bracket 113 is adapted to the thickness of the block 210, and the block is clamped between the tube head and the support bracket to strengthen the connection between the docking rod and the two bases, prevent detachment or offset, and enhance the overall alignment effect; wherein, the edges of the block and the edges of the support bracket are chamfered to facilitate the smooth insertion of the docking rod into the support bracket, and the block is clamped between the tube head and the support bracket to facilitate overall assembly and coordination.
[0024] Furthermore, a plurality of third tube seats are fixedly provided on the bottom surface of the support plate. The third tube seats are circular tubular structures. Ground plugs are threadedly installed at the third tube seats. A vertebral body is fixedly provided at the bottom end of the ground plugs, which can be inserted to the bottom to provide basic position fixation to prevent easy loosening or deviation. With a detachable structure, ground plugs of appropriate length can be selected according to the actual application environment, so that they can be better inserted into the ground to achieve the required ground support.
[0025] Furthermore, if Figures 7 to 10As shown, the frame beam 400 includes a bracket 430, and a clamp 410 movably mounted at both ends of the bracket 430, a second pipe seat 420 is mounted on the bottom surface of the bracket 430, the inner diameter of the second pipe seat is adapted to the outer diameter of the pipe pile, the top of the pipe pile 310 is inserted into the second pipe seat 420 and fixed by bolts; the bracket 430 is provided with a plurality of clamping grooves 431 penetrating the two groove walls of the bracket, the plurality of clamping grooves are evenly spaced along the length direction of the bracket, and the bottom of the clamping groove 431 extends to the bottom of the groove of the bracket 430; a plurality of first clamping strips 510 are fixedly provided on the bottom surface of the bridge deck 500, the position of the first clamping strip 510 corresponds to the position of the clamping strip 431, the first clamping strip 510 is clamped at the clamping groove 431, and the first clamping strip 510 is clamped at the clamping groove 431. 0 abuts against the bottom of the bracket 430; second clips 520 are correspondingly provided on both sides of the bridge deck 500, and the cross-section of the second clip is an L-shaped structure. The clip 410 moves along the length direction of the frame beam 400 and can be clamped with the second clip 520 to prevent the bridge deck from detaching; and, a plurality of first countersunk holes are provided at both ends of the bridge deck, and the first countersunk holes are used to install limiting bolts, which protrude downward, are lower than the top surface of the bracket wall, and abut against the inner wall of the bracket, which can form a limiting effect to prevent the bridge deck from loosening and moving along the length direction; thereby realizing the limitation of the width and length directions of the bridge deck, and effectively preventing the bridge deck from moving and loosening through the vertical limitation of the clip.
[0026] Furthermore, if Fig.10 As shown, the cross-section of the first clip is an inverted "convex" shaped structure, the bottom of the first clip is adapted to the shape of the slot, the bottom surface of the first clip is abutted against the bottom of the bracket, and the shoulder of the first clip is abutted against the top surface of the bracket wall, which effectively strengthens the overall support and effectively prevents the bridge deck from moving in the length direction of the beam.
[0027] Furthermore, the edges of the slot opening of the card slot are chamfered, and the edges of the bottom of the first card strip are chamfered, which can facilitate the first card strip to be smoothly inserted into the card slot, and is convenient for alignment and installation.
[0028] Furthermore, two through holes are provided in the middle of both ends of the bridge deck for installing lifting ropes or lifting components to facilitate smooth lifting; and, combined with the structure of the first clip, a distance is left between the bottom surface of the bridge deck and the top surface of the groove wall of the bracket to facilitate the installation and disassembly of the lifting components, which is convenient for practical use.
[0029] Furthermore, if Figure 8 , Fig. 9As shown, the clamp 410 includes a push plate 411, and at least one guide strip 412 is vertically fixed on the side wall of the push plate 411, and a convex strip 413 is fixed on the top of the side wall; a guide hole 432 is correspondingly provided on the end face of the bracket 430, and the shape of the guide hole 432 is adapted to the shape of the guide strip 412; a second countersunk hole is provided on the top face of the end of the bracket corresponding to the guide hole, and a guide bolt is installed at the second countersunk hole, and a strip hole 414 is correspondingly provided on the guide strip 412, and the guide bolt passes through the strip hole; the clamp 410 moves along the guide hole 432, and the convex strip 413 is clamped with the second clamping strip 520; the structure between the clamp and the bracket is detachable, which is convenient for the processing and production of the clamp and the assembly method is also relatively simple; the movement of the clamp is limited by the guide hole, so that the convex strip can be accurately clamped with the second clamping strip to prevent the bridge deck from detaching; the provided guide bolt can prevent the clamping strip from completely detaching from the bracket, thereby avoiding the clamping strip from falling off or even losing.
[0030] Furthermore, a first magnet block 440 is embedded in the end face of the bracket 430, and a second magnet block 415 is correspondingly provided on the wall surface of the push plate 411; when the push plate is against the end face of the bracket, the first magnet block is magnetically connected to the second magnet block. The magnetic attraction method has a simple structure, and when the clamping member is not subjected to external force, the clamping effect with the second clamping strip can be maintained, thereby effectively preventing the bridge panel from detaching.
[0031] Furthermore, a protrusion is fixedly provided on the bottom surface of the push plate, and especially when the push plate abuts against the end surface of the bracket, the protrusion protruding downward serves as a force application site, which facilitates pushing and pulling the push plate and conveniently releases the state of the magnetic connection.
[0032] The present invention is described by preferred embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited to the specific embodiments disclosed herein, and other embodiments falling within the claims of this application are within the scope of protection of the present invention.
Claims
1. A prefabricated steel bridge, Features: Including base, docking rod, pipe pile assembly, beam, bridge deck; The pipe pile assembly support is installed between the base and the frame beam; Clamps are installed at both ends of the beams, and the bridge deck is built between multiple beams. The clamps clamp and lock both sides of the bridge deck. Docking components are installed at both ends of the base, one end of the docking rod can be detachably installed on the docking component, and swing with the docking component as a fulcrum so that the other end of the docking rod is placed on the docking component of another base, and the two bases are aligned through the two docking rods.
2. The assembled steel temporary bridge according to claim 1, Features: The top surface of the base is provided with a plurality of first pipe seats for adapting the pipe pile assembly, and the bottom surface of the frame beam is provided with a plurality of second pipe seats for adapting the pipe pile assembly; the bottom end of the pipe pile assembly is inserted into the first pipe seat and fixed by bolts; the top end of the pipe pile assembly is inserted into the second pipe seat and fixed by bolts.
3. The assembled steel temporary bridge according to claim 1, Features: The top surface of the base is provided with a plurality of first pipe seats for adapting the pipe pile assembly, and the bottom surface of the frame beam is provided with a plurality of second pipe seats for adapting the pipe pile assembly; the bottom end of the pipe pile assembly is inserted into the first pipe seat and fixed by bolts; the top end of the pipe pile assembly is inserted into the second pipe seat and fixed by bolts.
4. The assembled steel temporary bridge according to claim 3, Features: The four corners of the reinforcement are bent downward to form four pins; The pipe pile is a square bar pile structure, and a first convex ring and a second convex ring are fixedly provided on the outer wall of the pipe pile, and a plurality of first plug holes are provided on the top surface of the first convex ring corresponding to the four walls of the pipe pile, and the plurality of first plug holes are distributed in an array around the central circumference of the pipe pile; a plurality of second plug holes are provided on the top surface of the second convex ring corresponding to the four walls of the pipe pile, and the plurality of second plug holes are distributed in an array around the central circumference of the pipe pile; The shapes of the first plug hole and the second plug hole are adapted to the shapes of the corresponding pins; the two pins on the same side of the reinforcement are respectively plugged into and matched with the first plug hole and the second plug hole, and are fixed by bolts.
5. The assembled steel temporary bridge according to claim 4, Features: The base includes a support plate, and a plurality of first pipe seats are provided on the top surface of the support plate corresponding to the plurality of pipe piles, the inner diameter of the first pipe seat is adapted to the outer diameter of the pipe pile, and the bottom end of the pipe pile is inserted into the first pipe seat and fixed by bolts; The docking assembly includes a support base, two pipe heads, and two support brackets. The support seat is fixedly arranged on the top surface of the end of the support plate, and the top surface of the support seat is provided with a groove extending along the width direction of the support plate, and the two pipe heads are rotatably installed in the groove by bolts; The support bracket is a U-shaped structure, and the support bracket is arranged outside the two ends of the support seat, and the support bracket is fixed on the support plate; A second threaded hole is provided on the pipe head, and the pipe head can swing in a direction away from the center of the support seat until the axis of the second threaded hole coincides with the axis of the support bracket; The diameter of the second threaded hole, the diameter of the docking rod, and the width of the support opening of the support bracket are adapted; One end of the docking rod is threadedly connected and installed at the second threaded hole, and the other end of the docking rod is fixedly provided with a clamping block, which can be set up at the support bracket of another base.
6. The assembled steel temporary bridge according to claim 5, Features: When the tube head is placed with the opening of the second threaded hole facing upward, the distance between the side wall of the tube head and the support bracket is matched with the thickness of the clamping block, and the clamping block is clamped between the tube head and the support bracket.
7. The assembled steel temporary bridge according to claim 6, Features: The frame beam includes a bracket and clamps movably mounted at both ends of the bracket. The second pipe seat is mounted on the bottom surface of the bracket. The inner diameter of the second pipe seat matches the outer diameter of the pipe pile. The top end of the pipe pile is inserted into the second pipe seat and fixed by bolts. The bracket is provided with a plurality of slots penetrating the two slot walls of the bracket, the plurality of slots are evenly spaced along the length direction of the bracket, and the bottom of the slots extends to the bottom of the bracket; A plurality of first clamping strips are fixedly provided on the bottom surface of the bridge deck, the positions of the first clamping strips correspond to the positions of the clamping slots, the first clamping strips are clamped at the clamping slots, and the bottom surfaces of the first clamping strips abut against the bottom of the brackets; Second clamping strips are provided on both sides of the bridge deck. The cross section of the second clamping strip is an L-shaped structure. The clamping piece moves along the length direction of the frame beam and can be clamped with the second clamping strip to prevent the bridge deck from detaching.
8. The assembled steel temporary bridge according to claim 7, Features: The clamping member comprises a push plate, a side wall of which is vertically fixed with at least one guide strip, and a top of which is fixed with a convex strip; A guide hole is provided on the end surface of the bracket, and the shape of the guide hole matches the shape of the guide strip; a second countersunk hole is provided on the top surface of the end of the bracket, and a guide bolt is installed at the second countersunk hole; a strip hole is provided on the guide strip, and the guide bolt passes through the strip hole; The clamping piece moves along the guide hole, and the convex strip is clamped with the second clamping strip.
9. The assembled steel temporary bridge according to claim 8, Features: A first magnet block is embedded in the end surface of the bracket, and a second magnet block is correspondingly arranged on the wall surface of the push plate; when the push plate abuts against the end surface of the bracket, the first magnet block is magnetically connected with the second magnet block.