Sliding type bridge support

By introducing sliding components and locking bolt structures into sliding bridge bearings, the problem of inconvenient maintenance of wear-resistant strips is solved, achieving convenient maintenance and material savings, while improving the flexibility and stability of the bearings.

CN223974475UActive Publication Date: 2026-03-06WUHAN QIAOZHIHENG BRIDGE ENG TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

The existing sliding bearing requires lifting the middle bearing plate when maintaining the wear-resistant strip, which makes maintenance inconvenient.

Method used

A sliding bridge bearing was designed, which is fixed by the mating joint between the sliding component and the middle bearing plate and the locking bolt. This allows the maintenance of the wear strip without lifting the middle bearing plate. The combined fixation is achieved through the tenon and the spherical crown liner structure, reducing the machining allowance.

Benefits of technology

This makes the maintenance of wear-resistant strips more convenient, reduces material usage, and improves the flexibility of the support and the stability of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sliding type bridge support which comprises an upper support plate and a lower support plate, a middle support plate is fixed to the outer wall of the bottom of the upper support plate, a supporting plate is fixed to the outer wall of the top of the lower support plate, guide plates are integrally formed on the two sides of the top of the supporting plate, and a sliding assembly is arranged outside the middle support plate. A first wear-resisting strip is fixed to the outer wall of the side, close to the guide strip, of the sliding assembly, a second wear-resisting strip is fixed to the outer wall of the side, close to the sliding assembly, of the guide strip, and the second wear-resisting strip is slidably connected with the second wear-resisting strip. The matching opening of the sliding assembly is matched with the middle support plate, and then the sliding assembly and the middle support plate are fixed through the locking bolt, so that when the first wear-resisting strip and the second wear-resisting strip are maintained, the sliding assembly can be lifted up after the locking bolt is detached, the middle support plate does not need to be jacked up, and the service life of the middle support plate is prolonged. And therefore, the effect that the sliding type bridge support is more convenient to maintain is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of sliding bearing technology, specifically to a sliding bridge bearing. Background Technology

[0002] A sliding bearing is a special type of structural bearing that allows a structure to slide freely in a specific direction, thereby reducing stress concentration and deformation caused by temperature changes, foundation settlement, or external forces. It is widely used in engineering fields such as buildings, bridges, and pipelines, effectively releasing temperature stress and seismic forces from structures, and improving structural flexibility and safety.

[0003] Sliding bearings consist of an upper bearing plate, a middle bearing plate, and a guide plate. Current sliding bearings typically mount wear-resistant strips on the middle bearing plate and guide plate, allowing sliding between the middle bearing plate and the guide strip. However, when maintaining the wear-resistant strips, the middle bearing plate needs to be lifted, making maintenance inconvenient. Therefore, there is an urgent need to design a sliding bridge bearing to solve these problems. Utility Model Content

[0004] The purpose of this invention is to provide a sliding bridge bearing to address the aforementioned shortcomings of the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A sliding bridge bearing includes an upper bearing plate and a lower bearing plate. A middle bearing plate is fixed to the bottom outer wall of the upper bearing plate, and a support plate is fixed to the top outer wall of the lower bearing plate. Guide plates are integrally formed on both sides of the top of the support plate. A sliding assembly is provided on the outside of the middle bearing plate. A wear-resistant strip is fixed to the outer wall of the sliding assembly near the guide strip, and a second wear-resistant strip is fixed to the outer wall of the guide strip near the sliding assembly. The second wear-resistant strip is slidably connected to the first wear-resistant strip.

[0007] Furthermore, an upper anchoring assembly is fixed to the top outer wall of the upper support plate, and a lower anchoring assembly is fixed to the bottom outer wall of the lower support plate.

[0008] Furthermore, the support plate has a locking tenon inserted inside, and the bottom end of the locking tenon extends into the interior of the lower support plate.

[0009] Furthermore, an anti-jump pressure plate is fixed to the top outer wall of the guide plate, and the anti-jump pressure plate is located on top of the sliding assembly.

[0010] Furthermore, a mating opening is provided on one side of the outer wall of the sliding assembly, which is adapted to the middle support plate. A locking bolt is inserted into the interior of the sliding assembly, and one end of the locking bolt is threadedly connected to the middle support plate.

[0011] Furthermore, a spherical crown liner is provided between the middle support plate and the support plate, and an arc cavity is provided on the bottom outer wall of the middle support plate, with the top of the spherical crown liner matching the arc cavity.

[0012] In the above technical solution, the sliding bridge bearing provided by this utility model has the following advantages: the sliding component's mating joint is mated with the middle bearing plate, and then the sliding component is fixed to the middle bearing plate by locking bolts. This allows the sliding component to be lifted after the locking bolts are removed when maintaining wear-resistant strip one and wear-resistant strip two, without having to lift the middle bearing plate, thus making the maintenance of the sliding bridge bearing more convenient. The lower bearing plate is combined and fixed with the support plate by tenons, and the middle bearing plate is combined and fixed with the upper bearing plate by tenons. This allows the complex structure to be completed by splicing, thereby reducing the processing allowance and achieving the effect of saving materials. When the bottom of the middle bearing plate is circular, the sliding component is a plate-shaped rectangular structure, and the plate-shaped sliding component has a hollow circle inside, so that the bottom of the middle bearing plate is located in the hollow circle, thereby allowing the middle bearing plate and the upper bearing plate to rotate, making the bearing more flexible. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0014] Figure 1 This is a schematic diagram of the overall structure of an embodiment of a sliding bridge bearing according to the present invention.

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of a square middle support plate provided for an embodiment of a sliding bridge support of this utility model.

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of a circular middle support plate provided for an embodiment of a sliding bridge support of this utility model.

[0017] Figure 4 This is a schematic diagram of a strip-shaped sliding component structure provided for an embodiment of a sliding bridge bearing according to the present invention.

[0018] Figure 5 This is a schematic diagram of a plate-shaped sliding component structure provided for an embodiment of a sliding bridge bearing according to the present invention.

[0019] Figure 6This is a schematic diagram of the bottom structure of the circular middle support plate provided in an embodiment of a sliding bridge support of this utility model.

[0020] Figure 7 This is an enlarged structural schematic diagram of point A, which is provided for an embodiment of a sliding bridge bearing of this utility model.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1 Upper support plate, 2 Lower support plate, 3 Middle support plate, 4 Upper anchoring assembly, 5 Support plate, 6 Tenon, 7 Guide plate, 8 Lower anchoring assembly, 9 Wear-resistant strip one, 10 Sliding assembly, 11 Wear-resistant strip two, 12 Locking bolt, 13 Mating joint, 14 Anti-jump pressure plate, 15 Hollow circle, 16 Spherical crown liner, 17 Arc cavity. Detailed Implementation

[0023] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0024] like Figure 1-7 As shown in the figure, a sliding bridge bearing provided by this utility model embodiment includes an upper bearing plate 1 and a lower bearing plate 2. A middle bearing plate 3 is fixed to the bottom outer wall of the upper bearing plate 1, and a support plate 5 is fixed to the top outer wall of the lower bearing plate 2. Guide plates 7 are integrally formed on both sides of the top of the support plate 5. A sliding component 10 is provided on the outside of the middle bearing plate 3. A wear-resistant strip 9 is fixed to the outer wall of the sliding component 10 near the guide strip, and a wear-resistant strip 11 is fixed to the outer wall of the guide strip near the sliding component 10. The wear-resistant strip 11 is slidably connected to the guide strip 10.

[0025] Specifically, in this embodiment, there are an upper support plate 1 and a lower support plate 2. A middle support plate 3 is fixed to the bottom outer wall of the upper support plate 1. The bottom of the middle support plate 3 can be square or round. A support plate 5 is fixed to the top outer wall of the lower support plate 2. Guide plates 7 are integrally formed on both sides of the top of the support plate 5. A sliding component 10 is provided on the outside of the middle support plate 3. The sliding component 10 can be strip-shaped or plate-shaped. A wear-resistant strip 9 is fixed to the outer wall of the sliding component 10 near the guide strip. A wear-resistant strip 11 is fixed to the outer wall of the guide strip near the sliding component 10. The wear-resistant strip 11 is slidably connected to the guide strip 11, so that the middle support plate 3 can slide on the support plate 5.

[0026] This utility model provides a sliding bridge bearing in which the sliding component 10 has a mating port 13 that mates with the middle support plate 3, and then the sliding component 10 is fixed to the middle support plate 3 by locking bolts 12. This allows the sliding component 10 to be lifted after the locking bolts 12 are removed when maintaining the wear-resistant strip 9 and the wear-resistant strip 11, without having to lift the middle support plate 3, thus achieving a more convenient maintenance effect for the sliding bridge bearing.

[0027] In another embodiment of this utility model, an upper anchoring component 4 is fixed to the top outer wall of the upper support plate 1. The upper anchoring component 4 is composed of multiple bolts, which fixes the upper support plate 1 to the bridge at the top. A lower anchoring component 8 is fixed to the bottom outer wall of the lower support plate 2, which is fixed to the bridge pier. A tenon 6 is inserted into the inside of the support plate 5. The bottom end of the tenon 6 extends into the inside of the lower support plate 2. At the same time, the upper support plate 1 and the middle support plate 3 are also fixed by the tenon 6. The lower support plate 2 is combined and fixed to the support plate 5 by the tenon 6, and the middle support plate 3 is combined and fixed to the upper support plate 1 by the tenon 6. This allows the complex structure to be completed by splicing, thereby reducing the processing allowance and achieving the effect of saving materials. An anti-jump pressure plate 14 is fixed to the top outer wall of plate 7. The anti-jump pressure plate 14 is located on the top of sliding assembly 10 and blocks and limits the sliding assembly 10. When the sliding assembly 10 is a strip structure, a mating port 13 is provided on one side outer wall of the sliding assembly 10. The mating port 13 is adapted to the middle support plate 3. A locking bolt 12 is inserted into the inside of the sliding assembly 10. One end of the locking bolt 12 is threaded to the middle support plate 3, so that the sliding assembly 10 can be taken out after the locking bolt 12 is removed. When the sliding assembly 10 is a strip structure, a spherical crown liner 16 is provided between the middle support plate 3 and the support plate 5. An arc cavity 17 is provided on the bottom outer wall of the middle support plate 3. The top of the spherical crown liner 16 is adapted to the arc cavity 17.

[0028] In another embodiment of this utility model, when the bottom of the middle support plate 3 is circular, the sliding component 10 is a plate-shaped rectangular structure, and the plate-shaped sliding component 10 has a hollow circle 15 inside, so that the bottom of the middle support plate 3 is located inside the hollow circle 15, thereby enabling the middle support plate 3 and the upper support plate 1 to rotate, making the support more flexible.

[0029] Working principle: When the sliding component 10 is in the shape of a long strip, if it is necessary to maintain the wear-resistant strip 9 and the wear-resistant strip 11, firstly, the locking bolt 12 is disconnected from the thread of the middle support plate 3, and then the sliding component 10 is removed. This allows for maintenance of the wear-resistant strip 9 and the wear-resistant strip 11 without having to lift the middle support plate 3, thus making maintenance more convenient.

[0030] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A sliding type bridge support characterized by, The utility model provides a support plate, including upper support plate (1) and lower support plate (2), the bottom outer wall of upper support plate (1) is fixed with middle support plate (3), the top outer wall of lower support plate (2) is fixed with support plate (5), the both sides of support plate (5) top are integrally formed with guide plate (7), the outside of middle support plate (3) is provided with sliding assembly (10), sliding assembly (10) is fixed with wear -resisting strip one (9) on the one side outer wall close to guide strip, the one side outer wall close to guide strip of wear -resisting strip two (11) is fixed with wear -resisting strip two (11) of sliding assembly (10), wear -resisting strip two (11) and wear -resisting strip two (11) slidingly connect.

2. The sliding-type bridge support according to claim 1, wherein The top outer wall of the upper support plate (1) is fixed with an upper anchoring assembly (4), and the bottom outer wall of the lower support plate (2) is fixed with a lower anchoring assembly (8).

3. The sliding-type bridge support according to claim 1, wherein The inside of the support plate (5) is inserted with a tenon (6), and the bottom end of the tenon (6) extends to the inside of the lower support plate (2).

4. The sliding-type bridge support according to claim 1, wherein The top outer wall of the guide plate (7) is fixed with a jump-proof pressing plate (14), and the jump-proof pressing plate (14) is located on the top of the sliding assembly (10).

5. The sliding-type bridge support according to claim 1, wherein One side outer wall of the sliding assembly (10) is provided with a matching mouth (13), and the matching mouth (13) is matched with the middle support plate (3). The inside of the sliding assembly (10) is inserted with a locking bolt (12), and one end of the locking bolt (12) is threadedly connected with the middle support plate (3).

6. The sliding-type bridge support according to claim 1, wherein The middle support plate (3) and the support plate (5) are provided with a spherical cap lining plate (16), the bottom outer wall of the middle support plate (3) is provided with a circular arc cavity (17), and the top of the spherical cap lining plate (16) is matched with the circular arc cavity (17).