Supporting frame for steel structure bridge

By introducing a combined design of height adjustment mechanism, hydraulic cylinder and slide chute into the support frame, the problem of inflexible adjustment of traditional support frames in bridge construction is solved, stable support and flexible adjustment of the bridge structure are achieved, and construction efficiency and stability are improved.

CN223281205UActive Publication Date: 2025-08-29CHINA RAILWAY 10TH BUREAU GRP (SHANGHAI) CONSTR ENG CO LTD +1
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Patent Information

Application Number
CN202422140940.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-08-29
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

The traditional support frame design lacks flexible adjustment function, resulting in cumbersome disassembly and reinstallation when horizontal displacement is required during bridge construction, affecting the construction progress and stability.

Method used

The height adjustment mechanism, hydraulic cylinder, slider and slide chute are combined with limit and buffer mechanism to achieve flexible support and stable adjustment of the bridge structure, providing height and horizontal adjustment through hydraulic system and bolt connections.

Benefits of technology

It improves the practicality and stability of the support frame, can adapt to bridge construction needs under different heights and terrain conditions, reduces the cumbersome operations of dismantling and reinstallation, and improves construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a supporting frame for a steel structure bridge, and belongs to the field of supporting frames, the supporting frame comprises a base, a height adjusting mechanism is arranged at the top of the base, a bridge structure is arranged at the top of the height adjusting mechanism, a horizontal displacement mechanism is arranged between the bridge structure and the height adjusting mechanism, and the horizontal displacement mechanism comprises a supporting rod; the supporting rod is fixedly connected with a bridge structure, a sliding groove is formed in the surface of the supporting rod, a sliding block is slidably connected into the sliding groove, and a limiting mechanism is arranged on one side of the supporting rod. A sliding block slides in a sliding groove in the surface of a supporting rod to drive a hydraulic cylinder to move on the surface of the supporting rod, and the problems that a traditional supporting frame mostly adopts a fixed structure design and lacks a flexible adjusting function, and when the requirements for horizontal displacement and the like in the bridge construction process are met, tedious disassembly and reassembly often need to be carried out, and the construction cost is low are solved. The construction progress is influenced, and the practicability is improved.
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Description

Technical Field

[0001] The present application relates to the technical field of support frames, and in particular to a support frame for steel structure bridges. Background Art

[0002] In bridge construction, support frames are key construction equipment used to support and secure bridge structures. With the widespread use of steel bridges, higher requirements are being placed on the stability and reliability of support frames.

[0003] At present, traditional support frames mostly adopt a fixed structure design and lack flexible adjustment functions. When faced with requirements such as horizontal displacement during bridge construction, tedious disassembly and reassembly are often required, affecting the construction progress. Utility Model Content

[0004] In view of the deficiencies of the prior art, the present invention provides a support frame for a steel structure bridge, which overcomes the deficiencies of the prior art and aims to solve the problems in the background technology.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical solution: a support frame for a steel structure bridge, comprising a base, a height adjustment mechanism is provided on the top of the base, a bridge structure is provided on the top of the height adjustment mechanism, a horizontal displacement mechanism is provided between the bridge structure and the height adjustment mechanism, the horizontal displacement mechanism comprises a support rod, the support rod is fixedly connected to the bridge structure, a slide groove is provided on the surface of the support rod, a slider is slidably connected to the inside of the slide groove, a limiting mechanism is provided on one side of the support rod, a buffer mechanism is provided on one side of the limiting mechanism, four horizontal adjustment mechanisms are provided on the surface of the base, and the four horizontal adjustment mechanisms are symmetrically distributed on the surface of the base.

[0006] As a preferred embodiment, the height adjustment mechanism includes a liquid pump, which is fixedly connected to the base, the output end of the liquid pump is fixedly connected to the oil tank, the end of the liquid pump away from the oil tank is fixedly connected to the oil pipe, the end of the oil pipe away from the liquid pump is fixedly connected to the hydraulic cylinder, the telescopic end of the hydraulic cylinder is fixedly connected to the slider, and the hydraulic cylinder is bolted to the base.

[0007] By adopting the above technical solution, the hydraulic oil is stored in the oil tank, and the hydraulic oil inside the oil tank is sucked into the oil pipe by the liquid pump, and the hydraulic oil is transported to the hydraulic cylinder by the oil pipe, and the telescopic end of the hydraulic cylinder is extended and retracted to support the bridge structure, which can better support bridge structures of different heights.

[0008] As a preferred embodiment, a safety valve is provided at the connection between the hydraulic cylinder and the oil pipeline.

[0009] By adopting the above technical solution, a safety valve is provided at the connection between the hydraulic cylinder and the oil pipeline. When the pressure on the hydraulic cylinder exceeds the set value, the safety valve automatically opens to release the pressure, thereby better protecting the hydraulic cylinder.

[0010] As a preferred embodiment, the limiting mechanism includes a limiting plate, which is slidably connected to the support rod, a second fixed block fixedly connected to one side of the limiting plate, a first spring fixedly connected to the inside of the second fixed block, a second positioning block fixedly connected to one side of the first spring, and the second positioning block slidably connected to the second fixed block.

[0011] By adopting the above technical solution, the limit plate and the support rod are connected by inserting the second fixed block on the surface of the limit plate into the inside of the support rod, and then the second positioning block is supported by the first spring, and then the second positioning block limits the second fixed block, and then the limit plate prevents the slider from escaping from the inside of the slide groove, which can better prevent the slider from escaping from the inside of the slide groove.

[0012] As a preferred embodiment, the buffer mechanism includes a damper, the damper is fixedly connected to the limit plate, the outside of the damper is fixedly connected to a second spring, and one side of the damper is fixedly connected to a buffer plate.

[0013] By adopting the above technical solution, the slider is supported by the buffer plate, the impact force exerted on the buffer plate is buffered by the damper, and the damper is reset by the second spring, thereby better buffering the slider.

[0014] As a preferred embodiment, the horizontal adjustment mechanism includes a first fixing block, the first fixing block is fixedly connected to the base, the internal thread of the first fixing block is connected to a bolt, and the bottom of the bolt is fixedly connected to the first positioning block.

[0015] By adopting the above technical solution, the bolt is limited by the first fixing block, and the bolt is rotated to make the bottom of the first positioning block at the bottom of the bolt support the base, which can better support the base.

[0016] Beneficial effects of this application:

[0017] 1. This support frame for steel structure bridges is equipped with support rods, sliders and slide grooves. The slider slides inside the slide groove on the surface of the support rod to drive the hydraulic cylinder to move on the surface of the support rod. This avoids the problem that traditional support frames mostly adopt a fixed structure design and lack flexible adjustment function. When facing the needs of horizontal displacement during bridge construction, tedious disassembly and reassembly are often required, which affects the construction progress, thereby improving practicality.

[0018] 2. This support frame for a steel structure bridge is provided with a bolt, a first fixing block and a first positioning block. The bolt is limited by the first fixing block, and then the bolt is rotated so that the bottom of the first positioning block at the bottom of the bolt supports the base. This avoids the problem that traditional support frames cannot provide stable support under different terrain conditions, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front structure of this application;

[0020] Figure 2 This is a bottom view of the side structure of this application;

[0021] Figure 3 This is a front structural cross-sectional view of the present application;

[0022] Figure 4 This is a schematic diagram of the limiting mechanism structure of this application.

[0023] Numbers in the figure: 1. Base; 2. Horizontal adjustment mechanism; 21. Bolt; 22. First fixed block; 23. First positioning block; 3. Height adjustment mechanism; 31. Hydraulic cylinder; 32. Oil pipeline; 33. Liquid pump; 34. Oil tank; 4. Horizontal displacement mechanism; 41. Support rod; 42. Slider; 43. Slide; 5. Limiting mechanism; 51. Limiting plate; 52. Second fixed block; 53. First spring; 54. Second positioning block; 6. Buffering mechanism; 61. Buffering plate; 62. Second spring; 63. Damper; 7. Bridge structure. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0025] Reference Figure 1-Figure 3 A support frame for a steel structure bridge includes a base 1, a height adjustment mechanism 3 is provided on the top of the base 1, a bridge structure 7 is provided on the top of the height adjustment mechanism 3, and the height adjustment mechanism 3 includes a liquid pump 33, the liquid pump 33 is fixedly connected to the base 1, and the output end of the liquid pump 33 is fixedly connected to the oil tank 34, and the end of the liquid pump 33 away from the oil tank 34 is fixedly connected to the oil pipe 32, and the end of the oil pipe 32 away from the liquid pump 33 is fixedly connected to the hydraulic cylinder 31, the telescopic end of the hydraulic cylinder 31 is fixedly connected to the slider 42, and the hydraulic cylinder 31 is bolted to the base 1; the hydraulic oil is stored in the oil tank 34, and the hydraulic oil inside the oil tank 34 is sucked into the oil pipe 32 by the liquid pump 33, and the hydraulic oil is then transported to the hydraulic cylinder 31 by the oil pipe 32, and the telescopic end of the hydraulic cylinder 31 is telescoped to support the bridge structure 7, which can better support bridge structures 7 of different heights.

[0026] Reference Figure 1 A safety valve is provided at the connection between the hydraulic cylinder 31 and the oil pipe 32; a safety valve is provided at the connection between the hydraulic cylinder 31 and the oil pipe 32. When the pressure on the hydraulic cylinder 31 exceeds the set value, the safety valve automatically opens to release the pressure, which can better protect the hydraulic cylinder 31.

[0027] Reference Figure 2-Figure 4 A horizontal displacement mechanism 4 is provided between the bridge structure 7 and the height adjustment mechanism 3. The horizontal displacement mechanism 4 includes a support rod 41, which is fixedly connected to the bridge structure 7. A slide groove 43 is provided on the surface of the support rod 41. A slider 42 is slidably connected inside the slide groove 43. A limiting mechanism 5 is provided on one side of the support rod 41. The limiting mechanism 5 includes a limiting plate 51, which is slidably connected to the support rod 41. A second fixed block 52 is fixedly connected to one side of the limiting plate 51. The interior of the second fixed block 52 is fixedly connected to a first spring. 53, a second positioning block 54 is fixedly connected to one side of the first spring 53, and the second positioning block 54 is slidably connected to the second fixing block 52; the limiting plate 51 is connected to the support rod 41 by inserting the second fixing block 52 on the surface of the limiting plate 51 into the inside of the support rod 41, and then the second positioning block 54 is supported by the first spring 53, and then the second positioning block 54 is used to limit the second fixing block 52, and then the limiting plate 51 prevents the slider 42 from disengaging from the inside of the slide groove 43, which can better prevent the slider 42 from disengaging from the inside of the slide groove 43.

[0028] Reference Figure 3-Figure 4 A buffer mechanism 6 is provided on one side of the limiting mechanism 5, and four horizontal adjustment mechanisms 2 are provided on the surface of the base 1. The four horizontal adjustment mechanisms 2 are symmetrically distributed on the surface of the base 1. The buffer mechanism 6 includes a damper 63, and the damper 63 is fixedly connected to the limiting plate 51. The outside of the damper 63 is fixedly connected to a second spring 62, and one side of the damper 63 is fixedly connected to a buffer plate 61; the slider 42 is supported by the buffer plate 61, and the impact force exerted on the buffer plate 61 is buffered by the damper 63, and the damper 63 is reset by the second spring 62, which can better buffer the slider 42.

[0029] Reference Figure 1-Figure 3 The horizontal adjustment mechanism 2 includes a first fixed block 22, which is fixedly connected to the base 1. The internal thread of the first fixed block 22 is connected to the bolt 21, and the bottom of the bolt 21 is fixedly connected to the first positioning block 23; the bolt 21 is limited by the first fixed block 22, and then the bolt 21 is rotated so that the bottom of the first positioning block 23 at the bottom of the bolt 21 supports the base 1, which can better support the base 1.

[0030] Working principle: The bolt 21 is limited by the first fixed block 22, and then the bolt 21 is rotated to support the bottom of the first positioning block 23 at the bottom of the bolt 21 against the base 1, and then the oil tank 34 is used to store the hydraulic oil, and then the hydraulic pump 33 is used to suck the hydraulic oil inside the oil tank 34 into the oil pipe 32, and then the hydraulic oil is transported to the hydraulic cylinder 31 by the oil pipe 32, and then the telescopic end of the hydraulic cylinder 31 is extended to support the bridge structure 7, and then the slider 42 at the top of the hydraulic cylinder 31 slides inside the slide groove 43 on the surface of the support rod 41 to drive the hydraulic cylinder 31 to move on the surface of the support rod 41, and then the second fixed block 52 on the surface of the limit plate 51 is inserted into the inside of the support rod 41 to connect the limit plate 51 and the support rod 41, and then the first The spring 53 supports the second positioning block 54, and the second positioning block 54 limits the second fixed block 52, and the limiting plate 51 prevents the slider 42 from disengaging from the inside of the slide groove 43, and then the second positioning block 54 is pressed to disengage the second positioning block 54 from the inside of the support rod 41, and then the limiting plate 51 is pulled to disassemble the limiting plate 51, and then the buffer plate 61 supports the slider 42, and then the damper 63 buffers the impact force exerted on the buffer plate 61, and then the second spring 62 resets the damper 63, which can better buffer the slider 42. The hydraulic cylinder 31 is connected to the base 1 with bolts, and the hydraulic cylinder 31 can be replaced with a linear drive device such as an electric push rod or a cylinder to meet different construction environments and cost requirements.

[0031] The above is only a preferred specific implementation method of the present application, but the scope of protection of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present application within the technical scope disclosed in the present application, and they should be covered by the scope of protection of the present application.

Claims

1. A support frame for a steel structure bridge, comprising a base (1), characterized in that: A height adjustment mechanism (3) is provided on the top of the base (1), a bridge structure (7) is provided on the top of the height adjustment mechanism (3), a horizontal displacement mechanism (4) is provided between the bridge structure (7) and the height adjustment mechanism (3), the horizontal displacement mechanism (4) comprises a support rod (41), the support rod (41) is fixedly connected to the bridge structure (7), a slide groove (43) is provided on the surface of the support rod (41), a slider (42) is slidably connected inside the slide groove (43), a limiting mechanism (5) is provided on one side of the support rod (41), a buffer mechanism (6) is provided on one side of the limiting mechanism (5), and four horizontal adjustment mechanisms (2) are provided on the surface of the base (1), and the four horizontal adjustment mechanisms (2) are symmetrically distributed on the surface of the base (1).

2. The support frame for a steel structure bridge according to claim 1, characterized in that: The height adjustment mechanism (3) includes a liquid pump (33), the liquid pump (33) is fixedly connected to the base (1), the output end of the liquid pump (33) is fixedly connected to the oil tank (34), the end of the liquid pump (33) away from the oil tank (34) is fixedly connected to the oil delivery pipe (32), the end of the oil delivery pipe (32) away from the liquid pump (33) is fixedly connected to the hydraulic cylinder (31), the telescopic end of the hydraulic cylinder (31) is fixedly connected to the slider (42), and the hydraulic cylinder (31) is bolted to the base (1).

3. The support frame for a steel structure bridge according to claim 2, characterized in that: A safety valve is provided at the connection between the hydraulic cylinder (31) and the oil delivery pipe (32).

4. The support frame for a steel structure bridge according to claim 1, characterized in that: The limiting mechanism (5) comprises a limiting plate (51), the limiting plate (51) is slidably connected to the support rod (41), a second fixing block (52) is fixedly connected to one side of the limiting plate (51), a first spring (53) is fixedly connected inside the second fixing block (52), a second positioning block (54) is fixedly connected to one side of the first spring (53), and the second positioning block (54) is slidably connected to the second fixing block (52).

5. The support frame for a steel structure bridge according to claim 4, characterized in that: The buffer mechanism (6) comprises a damper (63), the damper (63) is fixedly connected to the limit plate (51), the outside of the damper (63) is fixedly connected to a second spring (62), and one side of the damper (63) is fixedly connected to a buffer plate (61).

6. The support frame for a steel structure bridge according to claim 1, characterized in that: The horizontal adjustment mechanism (2) comprises a first fixing block (22), the first fixing block (22) being fixedly connected to the base (1), the internal thread of the first fixing block (22) being connected to a bolt (21), and the bottom of the bolt (21) being fixedly connected to a first positioning block (23).