Box girder support with anti-falling fixing structure
By setting plug-in restraints, limiting components, pressing components and reset components on the fixing fasteners of the box beam bracket, using anti-detachment parts, rotating nuts and return springs, the problem of the fixing fasteners falling off due to looseness of the box beam bracket is solved, and a more stable and safe bracket structure is achieved.
Patent Information
- Application Number
- CN202421809757.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The existing box girder brackets are prone to loosening during use, causing the fixing fasteners to fall off, and lack effective anti-detachment measures.
A box beam bracket with an anti-detachment fixing structure is designed. By providing plug-in restraints, limiting components, pressing components and reset components on the fixing fastener, the anti-detachment contacts, rotating nuts and return springs, the firm fixing of the fixing fastener and the automatic disassembly when loosened is achieved.
It effectively prevents the fixing fastener from falling off due to loosening, improves the stability and safety of the box beam bracket, and facilitates disassembly operation during construction.
Smart Images

Figure CN222990586U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of box girder supports, and specifically relates to a box girder support with an anti - detachment fixing structure. Background Technique
[0002] A box girder support is a temporary structure used to support and fix box girders, usually used during bridge construction. The design and construction of box girder supports need to consider various factors, including the span, weight, construction environment, material properties, and construction safety of the bridge;
[0003] Existing box girder supports are connected into a box body through fixing fasteners during use to achieve a stable effect;
[0004] However, fixing fasteners are usually connected using bolts. Once they become loose during use, there are no corresponding measures to prevent them from falling off. Content of the Utility Model
[0005] The purpose of the utility model is to provide a box girder support with an anti - detachment fixing structure to solve the problems raised in the above - mentioned background technique.
[0006] To achieve the above - mentioned purpose, the utility model provides the following technical solutions:
[0007] A box girder support with an anti - detachment fixing structure, the box girder support with an anti - detachment fixing structure includes:
[0008] A box girder support, on one side of which there is a fixing fastener. One end of the fixing fastener is inserted inside the box girder support, and there is an insertion restraint member on the fixing fastener, and an activity connection groove is opened inside the insertion restraint member;
[0009] A limit component, which is arranged inside the connection groove. The limit component includes an abutment restraint block, an anti - detachment abutting member, and a rotating nut;
[0010] A pressing component, which is arranged inside the insertion restraint member. The pressing component includes a connection restraint block, a pressing rod, and a limit connection block;
[0011] A reset component, which is arranged on one side of the limit connection block. The reset component includes an insertion restraint column and a reset spring.
[0012] Preferably, there is a pressing rod inside the insertion restraint member, there are two anti - detachment abutting members inside the insertion restraint member, and there are two abutment restraint blocks on the fixing fastener.
[0013] Preferably, each anti - detachment abutting member abuts against the corresponding abutment restraint block, and there are two connection restraint blocks on one side of the pressing rod.
[0014] Preferably, one side of each of the connection constraint blocks is movably connected to the anti - detachment abutting member, a limit connection block is provided on one side of the pressing rod, and a reset constraint groove is formed inside the insertion constraint member.
[0015] Preferably, the reset constraint groove communicates with the movable connection groove, the limit connection block is arranged inside the reset constraint groove, and an insertion constraint post is provided on one side of the limit connection block.
[0016] Preferably, a reset spring is provided inside the reset constraint groove, the reset spring is sleeved on the insertion constraint post, and a rotation locking member is provided on one side of the insertion constraint member.
[0017] Preferably, a rotation nut is provided between the rotation locking member and the fixed fastener, and the rotation nut is threadedly connected to the insertion constraint member.
[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0019] Insert the insertion constraint member into the fixed fastener, make one end of it pass through the fixed fastener, after the anti - detachment abutting member abuts against the abutting constraint block, rotate the rotation nut to firmly fix the insertion constraint member and then complete the operation. When unlocking is required, rotate the rotation nut to loosen it, and then press the pressing rod to retract the anti - detachment abutting member towards the inside of the movable connection groove. This device can prevent parts from falling off due to loosening and is very useful. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0021] Figure 2 is a schematic diagram of a partial structure of the present utility model;
[0022] Figure 3 is a schematic diagram of the structure of the limit component of the present utility model;
[0023] Figure 4 is a schematic diagram of the structure of the pressing component of the present utility model;
[0024] Figure 5 is a schematic diagram of the inner structure of the insertion constraint member of the present utility model;
[0025] Figure 6 is a schematic diagram of a partial structure of the present utility model.
[0026] In the figure: box girder support 1, fixed fastener 2, insertion constraint member 3, movable connection groove 4, reset constraint groove 5, abutting constraint block 6, anti - detachment abutting member 7, connection constraint block 8, pressing rod 9, limit connection block 10, insertion constraint post 11, reset spring 12, rotation locking member 13, rotation nut 14. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.
[0028] Please refer to the attached Figures 1-6 , and the embodiments of the following three preferred solutions are provided in this application. Embodiment
[0029] A box girder support with an anti - detachment fixing structure includes:
[0030] On one side of the box girder support 1, there is a fixing fastener 2. One end of the fixing fastener 2 is inserted into the inner side of the box girder support 1. An insertion restraint member 3 is provided on the fixing fastener 2. An activity connection groove 4 is opened inside the insertion restraint member 3. A limit assembly is arranged inside the connection groove 4. The limit assembly includes an abutment restraint block 6, an anti - detachment abutting member 7, and a rotating nut 14. A pressing rod 9 is provided inside the insertion restraint member 3. There are two anti - detachment abutting members 7 inside the insertion restraint member 3. There are two abutment restraint blocks 6 on the fixing fastener 2. Each anti - detachment abutting member 7 abuts against the corresponding abutment restraint block 6. Two connection restraint blocks 8 are provided on one side of the pressing rod 9. Embodiment
[0031] On the basis of Embodiment 1, a pressing assembly is arranged inside the insertion restraint member 3. The pressing assembly includes a connection restraint block 8, a pressing rod 9, and a limit connection block 10. One side of each connection restraint block 8 is movably connected to the anti - detachment abutting member 7. A limit connection block 10 is provided on one side of the pressing rod 9. A reset restraint groove 5 is opened inside the insertion restraint member 3. The reset restraint groove 5 is communicated with the activity connection groove 4. The limit connection block 10 is arranged inside the reset restraint groove 5. An insertion restraint column 11 is provided on one side of the limit connection block 10. Embodiment
[0032] On the basis of the second embodiment, the reset assembly is arranged on one side of the limit connection block 10. The reset assembly includes a plugging restraint post 11 and a reset spring 12. The reset spring 12 is arranged inside the reset restraint groove 5. The reset spring 12 is sleeved on the plugging restraint post 11. A rotation locking member 13 is arranged on one side of the plugging restraint member 3. A rotation nut 14 is arranged between the rotation locking member 13 and the fixed fastener 2. The rotation nut 14 is threadedly connected to the plugging restraint member 3. During installation, first connect the fixed fastener 2 to a1, then use the plugging restraint member 3 to insert and fix the fixed fastener 2, so that one end thereof passes through the fixed fastener 2. After the anti-disengagement abutting member 7 abuts against the abutting restraint block 6, rotate the rotation nut 14 to firmly fix the plugging restraint member 3 to complete the operation. When unlocking is required, rotate the rotation nut 14 to loosen it, and then press the pressing rod 9 to retract the anti-disengagement abutting member 7 towards the inside of the movable connection groove 4 to complete the disassembly.
[0033] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A box beam support with an anti-slip fixing structure, characterized in that: The box beam support with an anti-dropping fixing structure comprises: A box beam support (1), wherein a fixing fastener (2) is provided on one side of the box beam support (1), one end of the fixing fastener (2) is inserted into the inner side of the box beam support (1), a plug-in constraint member (3) is provided on the fixing fastener (2), and a movable connection groove (4) is provided on the inner side of the plug-in constraint member (3); A limit assembly, the limit assembly being arranged inside the connection groove (4), the limit assembly comprising an abutment constraint block (6), an anti-slip abutment member (7), and a rotating nut (14); A pressing assembly, the pressing assembly being arranged inside the plug-in restraining member (3), the pressing assembly comprising a connecting restraining block (8), a pressing rod (9), and a limiting connecting block (10); A reset component is arranged on one side of the limit connection block (10), and comprises a plug-in constraint column (11) and a reset spring (12).
2. A box beam support with an anti-slip fixing structure according to claim 1, characterized in that: A pressing rod (9) is provided on the inner side of the plug-in restraint piece (3), two anti-slip abutment pieces (7) are provided on the inner side of the plug-in restraint piece (3), and two abutment restraint blocks (6) are provided on the fixing fastener (2).
3. A box beam support with an anti-slip fixing structure according to claim 2, characterized in that: Each of the anti-slip abutment members (7) abuts against a corresponding abutment constraint block (6), and two connection constraint blocks (8) are provided on one side of the pressing rod (9).
4. A box beam support with an anti-slip fixing structure according to claim 3, characterized in that: One side of each connection constraint block (8) is movably connected to the anti-dropping abutment member (7), one side of the pressing rod (9) is provided with a limit connection block (10), and a reset constraint groove (5) is provided on the inner side of the plug-in constraint member (3).
5. The box beam support with an anti-dropping fixing structure according to claim 4, characterized in that: The reset constraint groove (5) is connected to the movable connection groove (4); the limit connection block (10) is arranged inside the reset constraint groove (5); and a plug-in constraint column (11) is provided on one side of the limit connection block (10).
6. The box beam support with an anti-slip fixing structure according to claim 5, characterized in that: A reset spring (12) is provided inside the reset constraint groove (5), the reset spring (12) is sleeved on the plug-in constraint column (11), and a rotation locking piece (13) is provided on one side of the plug-in constraint piece (3).
7. A box beam support with an anti-dropping fixing structure according to claim 6, characterized in that: A rotating nut (14) is provided between the rotating locking piece (13) and the fixing fastener (2), and the rotating nut (14) is connected to the plug-in restraining piece (3) via threads.