Steel structure fixing device for bridge construction

Abstract

The utility model belongs to the technical field of bridge construction, and particularly discloses a steel structure fixing device for bridge construction, which comprises a main body, second shells are arranged on two opposite sides of the main body, a first bolt is arranged in each second shell, a first transmission gear is fixed at the end of each first bolt, and a second transmission gear is fixed at the end of each first transmission gear. Each first transmission gear is arranged in the middle of a first chain in a sleeving mode, first driven gears are arranged at the two ends of each first chain in a sleeving mode, a second bevel gear is arranged on the side face of each first driven gear, a first bevel gear is meshed with the side face of each second bevel gear, and a first threaded rod is arranged in each first bevel gear in a sleeving mode; the end, away from the first bevel gear, of each first threaded rod is inserted into a moving block, a plurality of open grooves are formed in one side of the moving block, a lower clamping block is inserted into each open groove, one end of each lower clamping block is fixed to one side of a connecting plate, a plurality of connecting blocks are fixed to the connecting plate, and an upper clamping block is fixed to one side of each connecting block.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a steel structure fixing device for bridge construction. Background Art

[0002] Steel structures play the role of support, bearing and connection in bridge construction. They can withstand the weight and load of the bridge and ensure the stability and safety of the bridge. At the same time, steel structures also have high strength, durability and plasticity, and can adapt to various complex bridge design and construction requirements. In order to temporarily fix the components of the steel structure in an appropriate position for subsequent construction, a steel structure fixing device is required.

[0003] Existing fixing devices have certain limitations in fixing steel structures. For example, the utility model with patent number CN217053076U, although the design of this device is effective in some cases, it is inadequate when faced with the need to lift and support the fixed beam structure from the outside. When encountering steel structures such as beams that need to be supported and fixed from below, the device in the above patent cannot play its due role. This means that in actual engineering applications, if we encounter the need to fix similar beam structures, we may need to find other fixing methods or tools to complete the task. Utility Model Content

[0004] The purpose of the utility model is to provide a steel structure fixing device for bridge construction to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a steel structure fixing device for bridge construction, comprising a main body, wherein second shells are provided on opposite sides of the main body, each second shell is provided with a first bolt, each first bolt end is fixed with a first transmission gear, each first transmission gear is sleeved at the middle position of the first chain, each first chain two ends are sleeved with a first driven gear, each first driven gear side surface is provided with a second bevel tooth, each second bevel tooth side surface is meshed with the first bevel tooth, a first threaded rod is sleeved in each first bevel tooth, one end of each first threaded rod away from the first bevel tooth is inserted in a moving block, a plurality of slots are provided on one side of the moving block, a lower clamping block is inserted in each slot, one end of each lower clamping block is fixed to one side of a connecting plate, a plurality of connecting blocks are fixed on the connecting plate, and an upper clamping block is fixed on one side of each connecting block, and the upper clamping block clamps the beam to be fixed on the top of the main body as the moving block moves, fixes the beam to the top of the main body, and prevents the beam from detaching.

[0006] Preferably, a pin is sleeved inside each of the first driven gears, and the end of the pin is fixed to the side of the second bevel gear close to the first driven gear. The pin is used to fix the second bevel gear and the first driven gear so that they can only perform rotational movement.

[0007] Preferably, a chuck is provided inside the upper end portion of the main body at one end of the first threaded rod close to the movable block, for preventing the first threaded rod from moving downward.

[0008] Preferably, the moving block is provided with a plurality of openings, and the openings are provided with threads matching the first threaded rod and the second threaded rod, so that the moving block can move up and down along the first threaded rod, and the second threaded rod can be inserted into the moving block by rotation.

[0009] Preferably, a first shell is provided on a side of the connecting plate close to the second chain for protecting the first chain.

[0010] Preferably, the main body is provided with several fixing blocks in the middle part, each fixing block is provided with a side support device, a base is provided between the side support devices, and the base cooperates with the several side support devices to provide side support and bottom support for the main body.

[0011] Preferably, a plurality of clamping devices are provided inside one end of the main body for fixing the steel structure.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] This utility model achieves the purpose of fixing the beam through the upper clamping block and the movable block, significantly expanding the functionality of the device. It can not only effectively fix objects internally, but also support heavy steel structures such as steel beams, which is particularly critical in the fields of construction and engineering. This allows operators to more flexibly respond to various construction needs and adapt to a wider variety of work environments and application scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of a partial side sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the connecting plate and connecting block of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the mobile block of the utility model;

[0019] Figure 6For this utility model Figure 2 Enlarged schematic diagram of structure A.

[0020] In the figure: 1. side support device; 2. base; 3. main body; 4. fixed block; 5. moving block; 6. upper clamping block; 7. clamping device; 8. first shell; 9. second shell; 10. first bevel gear; 11. first threaded rod; 12. lower clamping block; 13. connecting block; 14. second threaded rod; 15. chuck; 16. connecting plate; 17. second bevel gear; 18. first transmission gear; 19. first bolt; 20. first chain; 21. pin; 22. first driven gear; 23. second transmission gear; 24. second bolt; 25. second driven gear; 26. second chain; 27. slot; 28. opening. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0023] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0024] See also Figure 1-6The utility model provides a technical solution: a steel structure fixing device for bridge construction, including a main body 3, second shells 9 are provided on opposite sides of the main body 3, a first bolt 19 is provided in each second shell 9, a first transmission gear 18 is fixed at the end of each first bolt 19, each first transmission gear 18 is sleeved in the middle position of the first chain 20, a first driven gear 22 is sleeved at both ends of each first chain 20, a second bevel tooth 17 is provided on the side surface of each first driven gear 22, and a first bevel tooth 17 is meshed with a first bevel tooth 10 on the side surface of each second bevel tooth 17, each A first threaded rod 11 is sleeved in each first bevel tooth 10, and one end of each first threaded rod 11 away from the first bevel tooth 10 is inserted in the moving block 5. A plurality of slots 27 are provided on one side of the moving block 5, and a lower clamping block 12 is inserted in each slot 27. One end of each lower clamping block 12 is fixed to one side of the connecting plate 16, and a plurality of connecting blocks 13 are fixed on the connecting plate 16. An upper clamping block 6 is fixed to one side of each connecting block 13. The upper clamping block 6 clamps the beam to be fixed on the top of the main body 3 as the moving block 5 moves, and fixes the beam to the top of the main body 3 to prevent the beam from detaching.

[0025] Furthermore, each of the first driven gears 22 is provided with a pin shaft 21, and the end of the pin shaft 21 is fixed to the side of the second bevel gear 17 close to the first driven gear 22. The pin shaft 21 is used to fix the second bevel gear 17 and the first driven gear 22 so that they can only perform rotational movement.

[0026] Furthermore, a chuck 15 is provided inside the upper end of the main body 3 at one end of the first threaded rod 11 close to the movable block 5 , for preventing the first threaded rod 11 from moving downward.

[0027] Furthermore, the moving block 5 is provided with a plurality of openings 28 , and the openings 28 are provided with threads matching the first threaded rod 11 and the second threaded rod 14 , so that the moving block 5 can move up and down along the first threaded rod 11 , and the second threaded rod 14 can be inserted into the moving block 5 by rotation.

[0028] Furthermore, a first housing 8 is provided on a side of the connecting plate 16 close to the second chain 26 for protecting the first chain 20 .

[0029] Furthermore, the main body 3 is provided with several fixing blocks 4 in the middle part, each fixing block 4 is provided with a side support device 1, and a base 2 is provided between the side support devices 1. The base 2 cooperates with the several side support devices 1 to provide side support and bottom support for the main body 3.

[0030] Furthermore, a plurality of clamping devices 7 are provided inside one end of the main body 3 for fixing the steel structure.

[0031] Working principle: If the device is needed to lift the steel beam, first place the device in a suitable position, then place the steel beam on top of the main body 3, with the main body 3 bearing the lifting weight, and then rotate the second bolt 24 to drive the second transmission gear 23 to rotate, and the second transmission gear 23 drives the second chain 26 to rotate, thereby driving the second driven gear 25 located at both ends of the second chain 26 to rotate, and the second driven gear 25 drives the second threaded rod 14 to rotate. Since the second threaded rod 14 and the moving block 5 are threadedly connected, the second threaded rod 14 drives the connecting plate 16 to approach the moving block 5, and at the same time, moving the moving block 5 drives the upper clamping block 6 and the lower clamping block 12 to move. The upper clamping block 6 is finally located above the top surface of the steel beam, and the lower clamping block 12 is inserted into the moving block 5 through the slot 27.

[0032] Then rotate the first bolt 19, the first bolt 19 drives the first transmission gear 18 to rotate, the first transmission gear 18 drives the first chain 20 to rotate, the first chain 20 drives the first driven gear 22 mounted at both ends thereof to rotate, the first driven gear 22 drives the second bevel gear 17 to rotate, the second bevel gear 17 pushes the first bevel gear 10 to rotate, thereby driving the first threaded rod 11 to rotate, the first threaded rod 11 rotates to push the moving block 5 to move downward, the moving block 5 moves downward and drives the lower clamping block 12 to move, and drives the connecting block 13 to move through the lower clamping block 12, thereby moving the upper clamping block 6 downward, and finally making the upper clamping block 6 fit to the upper surface of the steel beam, fixing the steel beam to the end of the main body 3 to prevent it from moving.

[0033] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel structure fixing device for bridge construction, characterized by: The invention comprises a main body (3), wherein the main body (3) is provided with a second housing (9) on opposite sides, each second housing (9) is provided with a first bolt (19), the end of each first bolt (19) is fixed with a first transmission gear (18), each first transmission gear (18) is sleeved in the middle position of a first chain (20), both ends of each first chain (20) are sleeved with a first driven gear (22), each first driven gear (22) is provided with a second bevel tooth (17) on the side surface, and each second bevel tooth (17) is meshed with a side surface thereof. A first bevel tooth (10) is provided, wherein a first threaded rod (11) is sleeved in each first bevel tooth (10), wherein one end of each first threaded rod (11) away from the first bevel tooth (10) is inserted into a moving block (5), wherein a plurality of slots (27) are provided on one side of the moving block (5), wherein a lower clamping block (12) is inserted into each slot (27), wherein one end of each lower clamping block (12) is fixed to one side of a connecting plate (16), wherein a plurality of connecting blocks (13) are fixed on the connecting plate (16), and an upper clamping block (6) is fixed to one side of each connecting block (13).

2. A steel structure fixing device for bridge construction according to claim 1, characterized in that: A pin shaft (21) is sleeved inside each of the first driven gears (22), and an end of the pin shaft (21) is fixed to a side of the second bevel gear (17) close to the first driven gear (22).

3. A steel structure fixing device for bridge construction according to claim 1, characterized in that: A chuck (15) is provided inside the upper end of the main body (3) at one end of the first threaded rod (11) close to the movable block (5).

4. A steel structure fixing device for bridge construction according to claim 1, characterized in that: The moving block (5) is provided with a plurality of openings (28), and the openings (28) are internally provided with threads matching the first threaded rod (11) and the second threaded rod (14).

5. The steel structure fixing device for bridge construction according to claim 1, characterized in that: A first housing (8) is provided on one side of the connecting plate (16) close to the second chain (26).

6. The steel structure fixing device for bridge construction according to claim 1, characterized in that: The main body (3) is provided with a plurality of fixing blocks (4) at the middle portion, each fixing block (4) is provided with a side support device (1), and a base (2) is provided between the side support devices (1).

7. The steel structure fixing device for bridge construction according to claim 1, characterized in that: A plurality of clamping devices (7) are provided inside one end of the main body (3).

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