Fastening fixture capable of being used for fixing I-shaped steel and beret pieces

By designing the left and right fastening parts of the fastening clamp and the double-headed tie bolt connection, the problem of instability of the existing clamp was solved, and a stable connection between the I-beam and the Bailey bridge sheet was achieved, simplifying the installation.

CN223936986UActive Publication Date: 2026-02-24JIANGSU SUJIAN ROAD & BRIDGE MASCH CO LTD
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Patent Information

Application Number
CN202520568516.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-02-24
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing clamps are complex in structure, inconvenient to operate, and prone to falling off, making it impossible to effectively secure the I-beams and Bailey bridge sections, resulting in instability in applications.

Method used

Design a fastening clamp including a left fastening part and a right fastening part, which clamps the I-beam and Bailey plate through the first and second grooves and is fixedly connected by double-ended tie bolts, washers and fastening nuts, combined with an elastic layer to prevent damage.

Benefits of technology

This achieves a stable connection between the I-beam and the Bailey bridge panels, simplifies the installation process, and improves the ease of operation and the reliability of the connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fastening fixture capable of being used for fixing I-shaped steel and a beret piece, the fastening fixture is arranged at the joint of the I-shaped steel and the beret piece, the fastening fixture comprises a left fastening part and a right fastening part, and the left fastening part and the right fastening part are identical in shape and size. A first groove and a second groove are formed in the upper middle portion of the left fastening part, the first groove is formed from left to right, the second groove is formed from front to back, the front portion of the second groove is communicated with the right side of the first groove, and the fastening clamp further comprises a double-end split bolt. And meanwhile, the fastening connection between the I-shaped steel and the Bailey pieces is optimized, and the stability and reliability of the I-shaped steel in various application scenes are ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, especially a kind of fastening fixture for I-beam and bailey fixing. BACKGROUND

[0002] Bailey is also called bailey frame, bailey beam or truss, which can be used for highway bridge, assembled gantry crane, guide beam, bridge erecting machine, hanging basket and the like. Bailey truss combined gantry crane can be used for highway bridge, assembled gantry crane, guide beam, bridge erecting machine, hanging basket and the like. Bailey truss combined gantry crane is used for assembling highway steel bridge component gantry, and the span and the height of stand column are adjustable to adapt to different working sites, and is widely used in highway, railway, municipal, building, water conservancy and other construction projects, bridge construction prefabrication yard lifting and moving prefabricated components, bridge pier side transporting and assembling girder and other site construction operations.

[0003] Bailey and I-beam need fixture to be fixed when erecting, but the existing fixture structure is complex, very inconvenient to operate, and the fixture is easy to fall off, so that the fastening connection of I-beam and bailey cannot be effectively completed, resulting in instability problem in application. The existing problem seriously restricts the performance of the fixture. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of improved bridge beam clamp for bailey bridge temporary erection, which has simple and reasonable structure, can simplify installation process, improve operation convenience, optimize the fastening connection of I-beam and bailey, and ensure its stability and reliability in various application scenarios.

[0005] The utility model is realized as follows:

[0006] A kind of fastening fixture for I-beam and bailey fixing, characterized by being arranged at the junction of I-beam and bailey, wherein the I-beam is vertically arranged, and the bailey is horizontally arranged above the I-beam and fixedly connected with the I-beam by the fastening fixture. The fastening fixture comprises left fastening part and right fastening part, which are symmetrically arranged on the upper part of the I-beam. The left fastening part is arranged in front of the bailey, and the right fastening part is arranged behind the bailey. The left fastening part and the right fastening part are identical in shape and size. The left fastening part is in the shape of a cuboid. A first groove is arranged in the upper middle part of the left fastening part and located on the inward side of the left fastening part. The first groove is arranged from left to right and penetrates through the left and right ends of the left fastening part, facilitating the clamping of the bailey. A second groove is also arranged in the upper middle part of the left fastening part, located below the first groove, arranged from front to back and located on the right side of the left fastening part. The second groove is used for clamping the I-beam.

[0007] Further, the second groove front part is connected with the first groove right side in communication;

[0008] Further, the fastening fixture further comprises a double-end pull bolt, the left fastening part and the right fastening part are both provided with a through hole matched with the double-end pull bolt, the double-end pull bolt passes through the left fastening part and the right fastening part through the through hole, and is fixedly connected with the left fastening part and the right fastening part through the gaskets and the fastening nuts arranged on both sides of the double-end pull bolt.

[0009] Further, the left fastening part and the right fastening part are both provided with an elastic layer at the connection with the I-beam and the Bailey piece, so as to prevent the damage and wear of the Bailey piece and the I-beam.

[0010] Compared with the prior art, the fastening fixture has the advantages that:

[0011] The fastening fixture has the advantages of simple structure, simple installation, convenient operation, good fixing performance and good performance. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structure diagram of the fastening fixture.

[0013] Fig. 2 It is a front view of the fastening fixture.

[0014] Fig. 3 It is a structure diagram of the right fastening part.

[0015] Wherein, 1 is an I-beam, 2 is a Bailey piece, 3 is a fastening fixture, 31 is a left fastening part, 311 is a first groove, 312 is a second groove, 32 is a right fastening part, 33 is a double-end pull bolt, 34 is a gasket, and 35 is a fastening nut. DETAILED DESCRIPTION

[0016] As Figs. 1-3As shown in the figure, the utility model discloses a fastening fixture for the fixing of I-shaped steel and belay sheet, characterized in that the fastening fixture 3 is arranged at the joint of the I-shaped steel 1 and the belay sheet 2, the I-shaped steel 1 is arranged vertically, the belay sheet 2 is arranged horizontally above the I-shaped steel 1 and is fixedly connected with the I-shaped steel 1 through the fastening fixture 3, the fastening fixture 3 comprises a left fastening part 31 and a right fastening part 32, the left fastening part 31 and the right fastening part 32 are symmetrically arranged on the upper part of the I-shaped steel 1, the left fastening part 31 just clamps the front belay sheet 2, the right fastening part 32 just clamps the rear belay sheet 2, the left fastening part 31 and the right fastening part 32 are completely same in shape and size, the left fastening part 31 is in cuboid structure, a first recess 311 is arranged in the upper part of the left fastening part 31 and is arranged on the inward side of the left fastening part 31, the first recess 311 is arranged from left to right, the first recess 311 penetrates the left and right ends of the left fastening part 31, and the first recess 311 is convenient for clamping the belay sheet 2, a second recess 312 is further arranged in the upper part of the left fastening part 31, the second recess 312 is arranged below the first recess 311, the second recess 312 is arranged from front to back and is arranged on the right side of the left fastening part 31, and the second recess 312 is used for clamping the I-shaped steel 1.

[0017] Further, the front part of the second recess 312 is connected with the right side of the first recess 311.

[0018] Further, the fastening fixture 3 further comprises a double-end tension bolt 33, through holes matched with the double-end tension bolt 33 are arranged on the left fastening part 31 and the right fastening part 32, the double-end tension bolt 33 penetrates the left fastening part 31 and the right fastening part 32 through the through holes and is fixedly connected with the left fastening part 31 and the right fastening part 32 through the gaskets 34 and the fastening nuts 35 arranged on the two sides of the double-end tension bolt 33.

[0019] Further, the left fastening part 31 and the right fastening part 32 are provided with elastic layers at the joints with the I-shaped steel 1 and the belay sheet 2, so as to prevent the damage and wear of the belay sheet 2 and the I-shaped steel 1.

[0020] The utility model discloses not limited to the above embodiment, on the basis of the technical scheme disclosed in the utility model, the skilled in the art can make some substitutions and deformation to some technical features without creative labor according to the disclosed technical content, and the substitutions and deformation are all within the protection scope of the utility model.

Claims

1. A fastening clamp for fixing I-beams and Bailey bridge panels, characterized in that, The fastening clamp (3) is set at the junction of the I-beam (1) and the Bailey bridge plate (2). The I-beam (1) is set vertically, and the Bailey bridge plate (2) is set horizontally above the I-beam (1) and fixedly connected to the I-beam (1) by the fastening clamp (3). The fastening clamp (3) includes a left fastening part (31) and a right fastening part (32). The left fastening part (31) and the right fastening part (32) are symmetrically set on the upper part of the I-beam (1). The left fastening part (31) fits the front Bailey bridge plate (2) perfectly, and the right fastening part (32) fits the rear Bailey bridge plate (2) perfectly. The left fastening part (31) and the right fastening part (32) are perfectly shaped and sized. The left fastening part (31) is rectangular in shape. The upper part of the left fastening part (31) is provided with a first groove (311) and is located on the inward side of the left fastening part (31). The first groove (311) is arranged from left to right and passes through the left and right ends of the left fastening part (31) to facilitate the clamping of the Bailey plate (2). The upper part of the left fastening part (31) is also provided with a second groove (312). The second groove (312) is located directly below the first groove (311). The second groove (312) is arranged from front to back and is located on the right side of the left fastening part (31). The second groove (312) is used to clamp the I-beam (1).

2. A fastening clamp for fixing I-beams and Bailey bridge plates according to claim 1, characterized in that: The front part of the second groove (312) is connected to the right side of the first groove (311).

3. A fastening clamp for fixing I-beams and Bailey bridge panels according to claim 1, characterized in that: The fastening clamp (3) also includes a double-ended tie bolt (33). The left fastening part (31) and the right fastening part (32) are provided with through holes for use with the double-ended tie bolt (33). The double-ended tie bolt passes through the through holes to the left fastening part (31) and the right fastening part (32), and is firmly fixed to the left fastening part (31) and the right fastening part (32) by providing washers (34) and fastening nuts (35) on both sides of the double-ended tie bolt (33).

4. A fastening clamp for fixing I-beams and Bailey bridge panels according to claim 1, characterized in that: The left fastening part (31) and the right fastening part (32) are provided with elastic layers at the connection points with the I-beam (1) and the Bailey plate (2) to prevent damage and wear to the Bailey plate (2) and the I-beam (1).