A formwork structure for bridge adhesive joints

Abstract

The utility model discloses a kind of formwork structures for bridge cementing joint, including lower formwork, the lower formwork top near left and right sides is uniformly provided with side formwork, two the side formwork top is jointly installed with upper formwork, multiple lifting eyes are uniformly provided on the lower formwork and the upper formwork, multiple threaded vertical rods are jointly installed in the cavity of multiple lifting eyes arranged up and down, threaded vertical rod outside is threadedly connected with rotatable nut, the side formwork, upper formwork and lower formwork both sides are equipped with welded nut, the lower formwork, upper formwork and side formwork front and back both sides are respectively equipped with beam body A and beam body B, by being provided with upper formwork, side formwork and lower formwork, by upper formwork, side formwork and lower formwork compactly wrap around beam segment joint, when splicing by tensioning temporary prestress, epoxy resin glue can be fully utilized, reduce its overflow, and formwork can be reused, installation is simple, construction efficiency is high, economic benefit is good.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated bridge adhesive joint technology, specifically a template structure for bridge adhesive joints. Background Technology

[0002] Adhesive joints mainly refer to the joints where adjacent beams of a prestressed concrete bridge are bonded together with epoxy resin after being prefabricated in sections and assembled into a continuous bridge by cantilever.

[0003] Currently, when using adhesive joints in prefabricated bridges, after the bridge alignment is accurately determined through pre-assembly, the hoisted blocks are moved 30-50cm to facilitate adhesive application. After application, the sections to be spliced ​​are formally positioned and spliced ​​with the already spliced ​​sections, and temporary prestress is applied to tighten the adhesive joint, ensuring that the joint is about 1mm thick and that there is some adhesive overflow. This overflow results in a waste of epoxy resin adhesive. In addition, since epoxy resin overflow may be difficult to clean completely, it can lead to extended construction period and slow construction progress. Utility Model Content

[0004] The purpose of this utility model is to provide a template structure for bridge adhesive joints to solve the problem of waste of epoxy resin adhesive mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a template structure for bridge adhesive joints, including a lower template, side templates are provided at the top of the lower template near the left and right sides, and an upper template is installed on the top of the two side templates. Multiple lifting holes are provided on both the lower and upper templates, and multiple threaded vertical rods are installed in the inner cavities of the multiple lifting holes. A rotatable nut is threaded to the outer side of the threaded vertical rod. Welded nuts are installed on both sides of the side templates, upper template, and lower template. Beam A and beam B are respectively provided on the front and rear sides of the lower template, upper template, and side templates.

[0006] Preferably, the side template includes a side template A, which is installed on the outside of the upper template, and a side template B is installed on the side template A, a side template C is installed on the side template B, a side template D is installed on the side template C, and the side template D is installed on the lower template.

[0007] Preferably, multiple welding nuts are provided and are respectively installed between side template A and upper template, between side template A and side template B, between side template B and side template C and side template C and side template D, and between side template D and lower template.

[0008] Preferably, a threaded crossbar is interspersed and spliced ​​among the plurality of welded nuts, and a rotatable nut is installed at both ends of the threaded crossbar.

[0009] Preferably, the rotatable nut includes rotatable nut A and rotatable nut B. Multiple rotatable nuts A are provided and are threadedly connected to the outside of the threaded vertical rod, and multiple rotatable nuts B are provided and are threadedly connected to the outside of the threaded horizontal rod.

[0010] Preferably, beam A and beam B are respectively covered and connected by welded nuts, rotatable nuts, threaded vertical rods and threaded horizontal rods on the lower template, upper template and side template.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] By setting up upper, side, and lower formwork, the beam joints are tightly wrapped by the upper, side, and lower formwork. When splicing temporary prestressing, epoxy resin adhesive can be fully utilized, reducing its overflow. Furthermore, the formwork can be reused, installation is simple, construction efficiency is high, and economic benefits are good. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is the front view of the present utility model;

[0015] Figure 3 This is a side view of the present invention;

[0016] Figure 4 This is a front view of the utility model in use.

[0017] Figure 5 This is a perspective view of the utility model in use.

[0018] In the diagram: 1. Lower template; 2. Upper template; 3. Side template; 301. Side template A; 302. Side template B; 303. Side template C; 304. Side template D; 4. Lifting hole; 5. Threaded vertical rod; 6. Welded nut; 7. Rotatable nut; 701. Rotatable nut A; 702. Rotatable nut B; 8. Threaded horizontal rod; 9. Beam A; 10. Beam B. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1 to 5This utility model provides a technical solution: a template structure for bridge adhesive joints, including a lower template 1, side templates 3 are provided on the top of the lower template 1 near the left and right sides, and an upper template 2 is installed on the top of the two side templates 3. Multiple lifting holes 4 are provided on both the lower template 1 and the upper template 2. Multiple threaded vertical rods 5 are installed in the inner cavity of the multiple lifting holes 4. The threaded vertical rods 5 are threaded with rotatable nuts 7 on the outside. The rotatable nuts 7 are used to fix the threaded vertical rods 5 to the upper template 2 and the lower template 1. Welded nuts 6 are installed on both sides of the side templates 3, the upper template 2 and the lower template 1. Beam bodies A9 and beam bodies B10 are respectively provided on the front and rear sides of the lower template 1, the upper template 2 and the side templates 3.

[0021] Please see Figure 1 and Figure 3 The side template 3 includes side template A301, which is installed on the outside of the upper template 2. Side template B302 is installed on side template A301, side template C303 is installed on side template B302, and side template D304 is installed on side template C303. Side template D304 is installed on the lower template 1. By utilizing the multiple distribution of side templates 3, the angle and orientation can be adjusted according to the actual situation, making it more suitable for actual use.

[0022] Please see Figure 1 and Figure 4 Multiple welding nuts 6 are provided and are respectively installed between side template A301 and upper template 2, between side template A301 and side template B302, between side template B302 and side template C303 and side template D304, and between side template D304 and lower template 1. Among them, the welding nuts 6 on side template A301 and the welding nuts 6 on upper template 2 are staggered and spliced. Side template B302 and side template A301, side template C303 and side template B302, side template D304 and side template C303, and lower template 1 and side template D304 are spliced ​​in the same way as side template A301 and upper template 2.

[0023] Please see Figure 1 and Figure 3 Multiple welded nuts 6 are interlocked and spliced ​​with threaded crossbars 8. Both ends of the threaded crossbars 8 are equipped with rotatable nuts 7. When splicing side template A301 with upper template 2, side template A301 with side template B302, side template B302 with side template C303, side template C303 with side template D304, and side template D304 with lower template 1, the threaded crossbars 8 are passed through the corresponding welded nuts 6 and then fixed with rotatable nuts 7.

[0024] Please see Figure 2 and Figure 3The rotatable nut 7 includes rotatable nuts A701 and B702. Multiple rotatable nuts A701 are provided and are threadedly connected to the outside of the threaded vertical rod 5. Multiple rotatable nuts B702 are provided and are threadedly connected to the outside of the threaded horizontal rod 8. The rotatable nuts A701 are used to fix the threaded vertical rod 5 to the upper template 2 and the lower template 1. The rotatable nuts B702 are used to fix the threaded horizontal rod 8 to the lower template 1, side template D304, side template C303, side template B302, side template A301 and upper template 2.

[0025] Please see Figure 4 and Figure 5 Beam A9 and beam B10 are respectively covered and connected by welded nuts 6, rotatable nuts 7, threaded vertical rods 5 and threaded horizontal rods 8 on the lower template 1, upper template 2 and side template 3. After applying epoxy resin adhesive, the rotatable nuts A701 at the upper and lower ends of the threaded vertical rods 5 need to be unscrewed to remove the threaded vertical rods 5 without affecting the splicing. Before applying epoxy resin adhesive, a pre-assembly will be carried out to ensure the accuracy of the line shape, and then 30-50cm will be reserved for applying adhesive. The lifting holes 4 opened in the lower template 1 and upper template 2 are not located at the center joint position to prevent the adhesive from overflowing from the lifting holes 4 during assembly after the adhesive is applied.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A template structure for bridge adhesive joints, comprising a lower template (1), characterized in that: The lower template (1) is provided with side templates (3) near the top of the left and right sides. The two side templates (3) are jointly installed with the upper template (2). The lower template (1) and the upper template (2) are provided with multiple lifting holes (4). Multiple threaded vertical rods (5) are installed in the inner cavity of the multiple lifting holes (4) provided above and below. The threaded vertical rods (5) are threaded with rotatable nuts (7) on the outside. Welded nuts (6) are installed on both sides of the side template (3), the upper template (2) and the lower template (1). Beam A (9) and beam B (10) are respectively provided on the front and rear sides of the lower template (1), the upper template (2) and the side template (3).

2. The template structure for bridge adhesive joints according to claim 1, characterized in that: The side template (3) includes a side template A (301), which is installed on the outside of the upper template (2). A side template B (302) is installed on the side template A (301), a side template C (303) is installed on the side template B (302), a side template D (304) is installed on the side template C (303), and the side template D (304) is installed on the lower template (1).

3. A template structure for bridge adhesive joints according to claim 2, characterized in that: Multiple welding nuts (6) are provided and are respectively installed between side template A (301) and upper template (2), between side template A (301) and side template B (302), between side template B (302) and side template C (303), between side template C (303) and side template D (304), and between side template D (304) and lower template (1).

4. A template structure for bridge adhesive joints according to claim 3, characterized in that: A threaded crossbar (8) is interspersed and spliced ​​among multiple welded nuts (6), and a rotatable nut (7) is installed at both ends of the threaded crossbar (8).

5. A template structure for bridge adhesive joints according to claim 4, characterized in that: The rotatable nut (7) includes rotatable nut A (701) and rotatable nut B (702). Multiple rotatable nuts A (701) are provided and are threadedly connected to the outside of the threaded vertical rod (5). Multiple rotatable nuts B (702) are provided and are threadedly connected to the outside of the threaded horizontal rod (8).

6. A template structure for bridge adhesive joints according to claim 5, characterized in that: The beam A (9) and beam B (10) are respectively covered and connected by welded nuts (6), rotatable nuts (7), threaded vertical rods (5) and threaded horizontal rods (8) on the lower template (1), upper template (2) and side template (3).

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