A connecting structure of a fabricated bridge

Abstract

The application is suitable for the technical field of assembled bridge, and provides a connecting structure of assembled bridge, which comprises a beam cover and a pier column and further comprises an arc-shaped mounting shell, a synchronous mechanism and a guide assembly; two arc-shaped positioning blocks are fixed on the lower end of the beam cover at the connecting reserved hole through bolts, and the two arc-shaped positioning blocks constitute a positioning ring; two arc-shaped clamping shells are fixed on the side wall of the pier column through bolts, two guide columns are slidingly connected to the two arc-shaped clamping shells, a first compression spring is connected to the lower end of the guide column, and the end of the first compression spring is connected to the lower end of the arc-shaped clamping shell; two arc-shaped mounting shells are arranged, and the two arc-shaped mounting shells are respectively fixed on the upper ends of the two groups of guide columns. Under the guidance of the guide column, the reserved steel bars on the upper end of the pier column can be accurately inserted into the connecting reserved hole on the lower end of the beam cover, so that the difficulty in connecting the beam cover and the pier column is reduced.

Description

Technical Field

[0001] This invention belongs to the field of prefabricated bridge technology, and particularly relates to a connection structure for prefabricated bridges. Background Technology

[0002] Prefabricated bridges differ from traditional on-site construction methods such as rebar tying and concrete pouring. For prefabricated bridges, some or all of the substructure (piers, abutments, cap beams) and superstructure (box girders, slab girders, T-beams) are prefabricated in a precast component factory, transported to the construction site, and then hoisted and assembled into the main bridge structure. The various bridge components are mechanically connected through pre-embedded holes, rebars, and connecting devices created during prefabrication. Grouting is achieved using grouting sleeves within the components, ensuring the concrete fully fills the gaps between the components, thus achieving overall strength.

[0003] When connecting the pier and the cap beam, a hoisting device is used to move the cap beam above the pier. After a series of precision adjustments, the multiple embedded steel bars above the pier are aligned with the reserved connection holes below the cap beam. Then, the cap beam is slowly lowered so that the embedded steel bars above the pier are inserted into the reserved connection holes below the cap beam. This process requires strict control of precision during the connection of the pier and the cap beam; otherwise, the cap beam will bend the embedded steel bars above the pier. Summary of the Invention

[0004] The purpose of this invention is to provide a connection structure for prefabricated bridges, aiming to solve the problem that the high precision requirements in the connection process of existing piers and cap beams make the connection between piers and cap beams difficult.

[0005] This invention is implemented as follows: a connection structure for a prefabricated bridge includes a beam cap and piers, and further includes: an arc-shaped mounting shell, a synchronization mechanism, and a guide assembly; two arc-shaped positioning blocks are bolted to the lower end of the beam cap at the pre-drilled connection hole, and the two arc-shaped positioning blocks form a positioning ring; two arc-shaped clamping shells are bolted to the side wall of the piers, and two guide columns are slidably connected to each of the two arc-shaped clamping shells, with a first compression spring connected to the lower end of each guide column, and the end of the first compression spring connected to the lower end of the arc-shaped clamping shell; two arc-shaped mounting shells are provided, and the two arc-shaped mounting shells are respectively fixed to the upper ends of two sets of guide columns, and the two arc-shaped mounting shells are bolted together. A fixed connection is formed to constitute a ring-shaped mounting block; four mounting ramps are evenly arranged on the ring-shaped mounting block, and positioning blocks are slidably connected to each of the four mounting ramps through guide components. Under the guidance of the guide components, the positioning blocks can move along the mounting ramps. A synchronization mechanism is set on the arc-shaped mounting housing, and the synchronization mechanism controls the synchronous movement of the four positioning blocks through the guide components. Two locking components are set at the two guide posts on the two arc-shaped clamping housings. The locking components are used to restrict the vertical movement of the guide posts. A transmission component is set at the guide components on the arc-shaped mounting housing. The transmission component releases the movement restriction of the guide posts by the locking components through the movement of the positioning blocks.

[0006] In a further technical solution, the guide assembly includes guide grooves and guide sliders; guide grooves are provided on each of the four mounting inclined surfaces, and guide sliders are slidably connected to each of the four guide grooves; the four positioning blocks are respectively fixed to the upper end of the guide sliders.

[0007] A further technical solution includes an arc-shaped plate, a push shaft, and an elastic push assembly; each of the two arc-shaped mounting housings is provided with an arc-shaped groove, and an arc-shaped plate is slidably connected in each of the two arc-shaped grooves, the two arc-shaped plates forming a transmission ring, and four push elongated holes are evenly provided on the transmission ring; the lower ends of the four guide sliders are all fixed with a push shaft, the push shaft is slidably connected in the push elongated holes, and the arc-shaped mounting housing is provided with a clearance groove for avoiding the movement of the push shaft; each of the two arc-shaped mounting housings is provided with an elastic push assembly, and the two elastic push assemblies are respectively connected to the two arc-shaped plates, and the elastic push assemblies push the arc-shaped plates with elastic force.

[0008] In a further technical solution, the elastic pushing component includes a mounting groove, a mounting block, and a second compression spring; both of the arc-shaped mounting housings are provided with mounting grooves, and the mounting grooves are provided with mounting blocks and second compression springs, and the mounting blocks are connected to the arc-shaped plates.

[0009] In a further technical solution, the locking assembly includes a first track groove, a first slider, a pin, a pin hole, and a third spring; each of the four guide posts is provided with a first track groove, a first slider is slidably connected to the first track groove, a pin and a third spring are respectively connected to both ends of the first slider, and the third spring is located in the first track groove; the arc-shaped clamping housing is provided with a pin hole that cooperates with the pin.

[0010] A further technical solution includes a second track groove, a second slider, a first rope guide groove, a second rope guide groove, and a rope; the arc-shaped mounting housing has a second track groove located at the guide groove, and a second slider is slidably connected in the second track groove, with the second slider extending into the guide groove; the arc-shaped mounting housing and the guide post are respectively provided with a first rope guide groove and a second rope guide groove; the rope is disposed in the first rope guide groove and the second rope guide groove, and both ends of the rope are respectively connected to the lower end of the second slider and the end of the first slider near the third spring.

[0011] A further technical solution is to provide protective pads on the side of both of the arc-shaped clamping shells closest to the pier.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention provides a connection structure for a prefabricated bridge. Two arc-shaped clamping shells are placed on the upper part of a pier and fixedly connected with bolts, clamping the pier and thus fixing the arc-shaped clamping shells. Two arc-shaped mounting shells are also fixedly connected with bolts. Two arc-shaped positioning blocks are fixed to the lower end of the beam cap with bolts, forming a positioning ring. A hoisting device lifts the beam cap onto the upper end of the pier, moves the beam cap so that the four positioning blocks are located within the positioning ring, and then moves the beam cap downwards, pressing down on the four positioning blocks. Under the guidance of a guide component, the positioning blocks move diagonally downwards along the mounting ramp, thereby moving the positioning blocks towards the inner wall of the positioning ring. A synchronous mechanism is also involved. The guide assembly controls the synchronous movement of four positioning blocks, which in turn move synchronously towards the inner wall of the positioning ring. As the positioning blocks move, they push the positioning ring, which in turn drives the beam cap to move until all four positioning blocks contact the inner wall of the positioning ring. This makes the positioning ring and the pier coaxial, thus ensuring that the reserved steel bars at the upper end of the pier are coaxial with the reserved connection holes at the lower end of the beam cap. The transmission assembly releases the locking assembly's restriction on the movement of the guide column by moving the positioning blocks. At this point, as the beam cap continues to move downward, it can overcome the elastic force of the first compression spring and push the guide column downward. Under the guidance of the guide column, the reserved steel bars at the upper end of the pier can be accurately inserted into the reserved connection holes at the lower end of the beam cap, thereby reducing the difficulty of connecting the beam cap and the pier. Attached Figure Description

[0013] Figure 1 A schematic diagram of the installation state of a connection structure for a prefabricated bridge provided by the present invention; Figure 2 Provided by the present invention Figure 1 Enlarged structural diagram of A in the middle Figure 3 This is a schematic diagram of the connection structure of a prefabricated bridge provided by the present invention; Figure 4 A schematic diagram of a half-section of a connection structure for a prefabricated bridge provided by the present invention; Figure 5 Provided by the present invention Figure 4 The main view; Figure 6 Provided by the present invention Figure 4 Top view; Figure 7 Provided by the present invention Figure 5 Internal structure diagram from a mid-BB perspective; Figure 8 Provided by the present invention Figure 6 Internal structure diagram from a mid-CC perspective; Figure 9 Provided by the present invention Figure 8 A magnified structural diagram of D in the diagram; Figure 10 Provided by the present invention Figure 8 A magnified structural diagram of E in the middle.

[0014] In the attached diagram: beam cover 101, pier column 102, arc-shaped clamping housing 103, guide column 104, first compression spring 105, arc-shaped mounting housing 106, arc-shaped positioning block 107, mounting inclined surface 108, positioning block 109, synchronization mechanism 2, arc-shaped plate 201, arc-shaped slide groove 202, clearance groove 203, push shaft 204, push elongated hole 205, mounting groove 206, mounting block 207, second compression spring 208, locking assembly 3, first track slide groove 301, first slider 302, pin shaft 303, pin hole 304, third spring 305, transmission assembly 4, second track slide groove 401, second slider 402, first rope guide groove 403, second rope guide groove 404, rope 405, guide assembly 5, guide slide groove 501, guide slider 502. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0016] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0017] like Figures 1-8 As shown, an embodiment of the present invention provides a connection structure for a prefabricated bridge, including a beam cap 101 and a pier 102, and further including: an arc-shaped mounting housing 106, a synchronization mechanism 2, and a guide assembly 5; the lower end of the beam cap 101 is located at the connection reserved hole and is fixed with two arc-shaped positioning blocks 107 by bolts, the two arc-shaped positioning blocks 107 forming a positioning ring; the side wall of the pier 102 is fixed with two arc-shaped clamping housings 103 by bolts, and each of the two arc-shaped clamping housings 103 is slidably connected with two guide columns 104, the lower end of the guide columns 104 is connected with a first compression spring 105, and the end of the first compression spring 105 is connected to the lower end of the arc-shaped clamping housing 103; two arc-shaped mounting housings 106 are provided, and the two arc-shaped mounting housings 106 are respectively fixed to the upper ends of two sets of guide columns 104, the two arc-shaped mounting housings 106 are respectively fixed to the upper ends of two sets of guide columns 104, and the two arc-shaped mounting housings 106 are respectively fixed to the upper ends of two sets of guide columns 104. 06 is fixedly connected by bolts to form an annular mounting block; four mounting inclined surfaces 108 are evenly arranged on the annular mounting block, and positioning blocks 109 are slidably connected to each of the four mounting inclined surfaces 108 through guide components 5. Under the guidance of the guide components 5, the positioning blocks 109 can move along the mounting inclined surfaces 108. The synchronization mechanism 2 is arranged on the arc-shaped mounting housing 106, and the synchronization mechanism 2 controls the four positioning blocks 109 to move synchronously through the guide components 5; two locking components 3 are arranged on the two arc-shaped clamping housings 103 at the two guide posts 104, and the locking components 3 are used to restrict the up and down movement of the guide posts 104. A transmission component 4 is arranged on the arc-shaped mounting housing 106 at the guide components 5. The transmission component 4 releases the movement restriction of the guide posts 104 by the locking components 3 through the movement of the positioning blocks 109.

[0018] In this embodiment of the invention, during use, two arc-shaped clamping housings 103 are placed on the upper part of the pier column 102, and the two arc-shaped clamping housings 103 are fixedly connected with bolts, so that the two arc-shaped clamping housings 103 clamp the pier column 102, thereby completing the fixation of the arc-shaped clamping housings 103. Two arc-shaped mounting housings 106 are also fixedly connected with bolts, and two arc-shaped positioning blocks 107 are fixed to the lower end of the beam cover 101 with bolts. The two arc-shaped positioning blocks 107 form a positioning ring. The lifting device lifts the beam cover... 101 is suspended above the pier 102. The beam cap 101 is moved so that the four positioning blocks 109 are located inside the positioning ring. Then, the beam cap 101 is moved downward, pressing down on the four positioning blocks 109. Under the guidance of the guide component 5, the positioning blocks 109 move diagonally downward along the installation slope 108, thereby moving towards the inner wall of the positioning ring. The synchronization mechanism 2 controls the four positioning blocks 109 to move synchronously through the guide component 5, thereby causing the four positioning blocks 109 to move synchronously towards the inner wall of the positioning ring. As the wall moves, the positioning block 109 pushes the positioning ring to move, which in turn moves the beam cover 101 until all four positioning blocks 109 are in contact with the inner wall of the positioning ring. This makes the positioning ring coaxial with the pier column 102, thus making the reserved steel bar at the upper end of the pier column 102 coaxial with the reserved connection hole at the lower end of the beam cover 101. The transmission component 4 releases the movement restriction of the guide column 104 by the locking component 3 through the movement of the positioning blocks 109. At this time, after the beam cover 101 continues to move downward, it can overcome the first compression spring 10. The elastic force of 5 pushes the guide column 104 downward. Under the guidance of the guide column 104, the reserved steel bar at the upper end of the pier column 102 can be accurately inserted into the connection reserved hole at the lower end of the beam cover 101, thereby reducing the difficulty of connecting the beam cover 101 and the pier column 102. After the connection between the beam cover 101 and the pier column 102 is completed, the arc-shaped positioning block 107 is removed from the lower end of the beam cover 101, and the bolts on the two arc-shaped clamping shells 103 and the two arc-shaped mounting shells 106 are unscrewed, so that the connection structure can be recycled.

[0019] like Figures 1-3 As shown, in a preferred embodiment of the present invention, the guide assembly 5 includes a guide groove 501 and a guide slider 502; each of the four mounting inclined surfaces 108 is provided with a guide groove 501, and each of the four guide grooves 501 is slidably connected with a guide slider 502; and the four positioning blocks 109 are respectively fixed to the upper end of the guide slider 502.

[0020] In this embodiment of the invention, under the guidance of the guide groove 501 and the guide slider 502, the positioning block 109 can move along the length of the guide groove 501.

[0021] like Figures 1-7As shown, in a preferred embodiment of the present invention, the synchronization mechanism 2 includes an arc-shaped plate 201, a push shaft 204, and an elastic push assembly; each of the two arc-shaped mounting housings 106 is provided with an arc-shaped groove 202, and an arc-shaped plate 201 is slidably connected in each of the two arc-shaped grooves 202, the two arc-shaped plates 201 forming a transmission ring, and four push elongated holes 205 are evenly provided on the transmission ring; the lower ends of the four guide sliders 502 are all fixed with a push shaft 204, the push shaft 204 is slidably connected in the push elongated holes 205, and the arc-shaped mounting housing 106 is provided with a clearance groove 203 for avoiding the movement of the push shaft 204; each of the two arc-shaped mounting housings 106 is provided with an elastic push assembly, and the two elastic push assemblies are respectively connected to the two arc-shaped plates 201, and the elastic push assemblies push the arc-shaped plates 201 with elastic force; The elastic pushing component includes a mounting groove 206, a mounting block 207, and a second compression spring 208; both of the arc-shaped mounting housings 106 are provided with mounting grooves 206, and the mounting block 207 and the second compression spring 208 are provided in the mounting grooves 206, and the mounting block 207 is connected to the arc-shaped plate 201.

[0022] In this embodiment of the invention, when the second compression spring 208 naturally extends, it pushes the mounting block 207 to one end of the mounting groove 206. At this time, the mounting block 207 fixes the position of the arc plate 201, so that the two ends of the arc plate 201 coincide with the connecting surfaces of the two arc mounting housings 106. And through the elastic force of the second compression spring 208, the positioning block 109 and the guide slider 502 are in the highest position, that is, the guide slider 502 is located at the upper end of the guide groove 501. When the two arc mounting housings 106 are connected by bolts, the ends of the two arc plates 201 coincide, thereby making the two arc plates 201 form a transmission ring. When the beam cover 101 presses down on the four positioning blocks 109, the positioning blocks 109 drive... The guide slider 502 moves downward along the guide groove 501, thereby causing the positioning block 109 to move towards the inner wall of the positioning ring. At the same time, the guide slider 502 drives the push shaft 204 to move. The push shaft 204 pushes the positioning ring through the push elongated hole 205. The positioning ring drives the remaining three guide sliders 502 to move synchronously through the other three sets of push shafts 204 and push elongated holes 205. This causes the four sets of guide sliders 502 and the positioning block 109 to move synchronously in opposite directions and downwards, thereby correcting the position of the positioning ring by the four positioning blocks 109. The positioning ring then corrects the position of the beam cover 101 until all four positioning blocks 109 are in contact with the inner wall of the positioning ring, at which point the correction of the position of the beam cover 101 is completed.

[0023] like Figures 1-10As shown, in a preferred embodiment of the present invention, the locking assembly 3 includes a first track groove 301, a first slider 302, a pin 303, a pin hole 304, and a third spring 305; each of the four guide posts 104 is provided with a first track groove 301, a first slider 302 is slidably connected to the first track groove 301, the two ends of the first slider 302 are respectively connected to the pin 303 and the third spring 305, and the third spring 305 is located in the first track groove 301; the arc-shaped clamping housing 103 is provided with a pin hole 304 that cooperates with the pin 303; The transmission assembly 4 includes a second track groove 401, a second slider 402, a first rope guide groove 403, a second rope guide groove 404, and a rope 405. The arc-shaped mounting housing 106 has a second track groove 401 located at the guide groove 501. A second slider 402 is slidably connected within the second track groove 401, extending into the guide groove 501. The arc-shaped mounting housing 106 and the guide post 104 are respectively provided with a first rope guide groove 403 and a second rope guide groove 404. The rope 405 is disposed within the first rope guide groove 403 and the second rope guide groove 404, with both ends of the rope 405 connected to the lower end of the second slider 402 and the end of the first slider 302 near the third spring 305, respectively.

[0024] In this embodiment of the invention, the elastic force of the first compression spring 105 is greater than that of the second compression spring 208; the third spring 305 pushes the first slider 302 to move, thereby causing the first slider 302 to drive the pin 303 to insert into the pin hole 304, thus restricting the up and down movement of the guide post 104; when the guide slider 502 moves to the lower end of the guide groove 501, the guide slider 502 pushes the second slider 402, the second slider 402 pulls the rope 405, the rope 405 overcomes the elastic force of the third spring 305 and pulls the first slider 302 to move in the opposite direction, the first slider 302 drives the pin 303 to disengage from the pin hole 304, thereby allowing the guide post 104 to move downward.

[0025] like Figure 4 As shown, in a preferred embodiment of the present invention, protective pads are provided on the side of both of the arc-shaped clamping housings 103 near the pier 102.

[0026] In this embodiment of the invention, the sidewall of the pier 102 can be protected by providing a protective pad on the arc-shaped clamping housing 103. The protective pad can be a rubber pad.

[0027] The above embodiments of the present invention provide a connection structure for a prefabricated bridge. In use, two arc-shaped clamping shells 103 are placed on the upper part of the pier 102, and the two arc-shaped clamping shells 103 are fixedly connected with bolts, so that the two arc-shaped clamping shells 103 clamp the pier 102, thereby completing the fixation of the arc-shaped clamping shells 103. Two arc-shaped mounting shells 106 are also fixedly connected with bolts, so that the two arc-shaped plates 201 form a transmission ring. Two arc-shaped positioning blocks 107 are fixed to the lower end of the beam cover 101 with bolts, and the two arc-shaped positioning blocks 107 form a positioning ring. The lifting device lifts the beam cover 101 to the upper end of the pier 102, and moves the beam cover. 101. Position the four positioning blocks 109 within the positioning ring, then move the beam cover 101 downwards. The beam cover 101 presses down on the four positioning blocks 109, causing the positioning blocks 109 to move downwards along the guide slide 501, thus moving the positioning blocks 109 towards the inner wall of the positioning ring. Simultaneously, the guide slide 502 moves the push shaft 204, which pushes the positioning ring through the push elongated hole 205. The positioning ring, through the other three sets of push shafts 204 and push elongated holes 205, drives the remaining three guide slides 502 to move synchronously, thus causing the four sets of guide slides 502 and positioning blocks 109 to move synchronously in opposite directions and downwards, thereby positioning the four positioning blocks 109. 9. The positioning ring is aligned, and the positioning ring drives the beam cap 101 to align until all four positioning blocks 109 are in contact with the inner wall of the positioning ring (i.e., moving towards the lower end of the guide groove 501 via the slider 502). This makes the positioning ring coaxial with the pier 102, thus making the reserved steel bar at the upper end of the pier 102 coaxial with the reserved connection hole at the lower end of the beam cap 101. When the guide slider 502 moves to the lower end of the guide groove 501, the guide slider 502 pushes the second slider 402, which pulls the rope 405. The rope 405 overcomes the elastic force of the third spring 305 and pulls the first slider 302 to move in the opposite direction. The first slider 302 drives the pin 3. 03. Disengage from pin hole 304, allowing guide column 104 to move downwards. As beam cap 101 continues to move downwards, it can overcome the elastic force of first compression spring 105 and push guide column 104 downwards. Under the guidance of guide column 104, the reserved steel bar at the upper end of pier column 102 can be accurately inserted into the reserved connection hole at the lower end of beam cap 101, thereby reducing the difficulty of connecting beam cap 101 and pier column 102. After the connection between beam cap 101 and pier column 102 is completed, remove arc-shaped positioning block 107 from the lower end of beam cap 101, unscrew the bolts on the two arc-shaped clamping shells 103 and the two arc-shaped mounting shells 106, and the connection structure can be recycled.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A connection structure for a prefabricated bridge, comprising a beam cap (101) and piers (102), characterized in that, Also includes: Arc-shaped mounting housing (106), synchronization mechanism (2) and guide assembly (5); The lower end of the beam cover (101) is located at the connection reserved hole and is fixed with two arc-shaped positioning blocks (107) by bolts. The two arc-shaped positioning blocks (107) form a positioning ring. Two arc-shaped clamping housings (103) are fixed to the side wall of the pier (102) by bolts. Two guide posts (104) are slidably connected to each of the two arc-shaped clamping housings (103). A first compression spring (105) is connected to the lower end of the guide post (104), and the end of the first compression spring (105) is connected to the lower end of the arc-shaped clamping housing (103). Two arc-shaped mounting housings (106) are provided. The two arc-shaped mounting housings (106) are respectively fixed to the upper ends of two sets of guide columns (104). The two arc-shaped mounting housings (106) are fixedly connected by bolts and form an annular mounting block. The annular mounting block is provided with four mounting inclined surfaces (108) evenly arranged. Each of the four mounting inclined surfaces (108) is slidably connected to a positioning block (109) by a guide component (5). Under the guidance of the guide component (5), the positioning block (109) can move along the mounting inclined surface (108). The synchronization mechanism (2) is set on the arc-shaped mounting housing (106). The synchronization mechanism (2) controls the four positioning blocks (109) to move synchronously through the guide component (5). Two locking components (3) are provided on each of the two arc-shaped clamping housings (103) at the two guide posts (104). The locking components (3) are used to restrict the vertical movement of the guide posts (104). A transmission component (4) is provided on the arc-shaped mounting housing (106) at the guide component (5). The transmission component (4) releases the movement restriction of the guide posts (104) by the locking components (3) through the movement of the positioning block (109). The guide assembly (5) includes a guide groove (501) and a guide slider (502); Each of the four mounting ramps (108) is provided with a guide groove (501), and each of the four guide grooves (501) is slidably connected with a guide slider (502). The four positioning blocks (109) are respectively fixed to the upper end of the guide slider (502). The synchronization mechanism (2) includes an arc plate (201), a push shaft (204), and an elastic push assembly; Both of the arc-shaped mounting housings (106) are provided with arc-shaped sliding grooves (202), and arc-shaped plates (201) are slidably connected in both of the arc-shaped sliding grooves (202). The two arc-shaped plates (201) form a transmission ring, and four push elongated holes (205) are evenly provided on the transmission ring. The lower ends of the four guide sliders (502) are all fixed with push shafts (204), the push shafts (204) are slidably connected in the push elongated hole (205), and the arc-shaped mounting housing (106) is provided with a relief groove (203) for avoiding the movement of the push shafts (204). Both of the arc-shaped mounting housings (106) are provided with elastic pushing components, and the two elastic pushing components are respectively connected to the two arc-shaped plates (201). The elastic pushing components push the arc-shaped plates (201) with elastic force.

2. The connection structure of the prefabricated bridge according to claim 1, characterized in that, The elastic actuation component includes a mounting groove (206), a mounting block (207), and a second compression spring (208); Both of the arc-shaped mounting housings (106) are provided with mounting grooves (206), and mounting blocks (207) and second compression springs (208) are provided in the mounting grooves (206). The mounting blocks (207) are connected to the arc-shaped plates (201).

3. The connection structure of the prefabricated bridge according to claim 1, characterized in that, The locking assembly (3) includes a first track groove (301), a first slider (302), a pin (303), a pin hole (304), and a third spring (305). Each of the four guide posts (104) is provided with a first track groove (301), and a first slider (302) is slidably connected to the first track groove (301). The two ends of the first slider (302) are respectively connected to a pin (303) and a third spring (305), and the third spring (305) is located in the first track groove (301). The arc-shaped clamping housing (103) is provided with a pin hole (304) that cooperates with the pin (303).

4. The connection structure of the prefabricated bridge according to claim 3, characterized in that, The transmission assembly (4) includes a second track groove (401), a second slider (402), a first rope guide groove (403), a second rope guide groove (404), and a rope (405). The arc-shaped mounting housing (106) is provided with a second track groove (401) located at the guide groove (501). A second slider (402) is slidably connected in the second track groove (401). The second slider (402) extends into the guide groove (501). The arc-shaped mounting housing (106) and the guide post (104) are respectively provided with a first rope guide groove (403) and a second rope guide groove (404). The rope (405) is provided in the first rope guide groove (403) and the second rope guide groove (404), and the two ends of the rope (405) are respectively connected to the lower end of the second slider (402) and the end of the first slider (302) near the third spring (305).

5. The connection structure of the prefabricated bridge according to claim 1, characterized in that, Both of the arc-shaped clamping housings (103) are provided with protective pads on the side near the pier (102).

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