Single-support limiting device for preventing bridge support from moving

Abstract

The utility model discloses a single support limiting device for preventing a bridge support from moving, which belongs to the technical field of bridge engineering and comprises a first limiting frame, a second limiting frame and a third limiting frame, and the first limiting frame is sleeved on the outer side of the support on a padstone / pier cap; the second limiting frame is located on one side of the first limiting frame and connected with the first limiting frame through connecting bolts to form a semi-surrounding structure so as to cover the upper end of the padstone / pier cap; the first limiting frame and the second limiting frame are fixedly installed on the side wall of the padstone / pier cap through fixing bolts. According to the utility model, the support is effectively prevented from sliding through the limiting frame and the rubber buffer layer; a detachable bolt connection design is adopted, so that the support is convenient to mount and replace; the device can be adjusted according to the sizes of a support and a padstone / pier cap and is suitable for different bridge structures; anticorrosion treatment or 316 stainless steel is adopted, and the device is suitable for different environments.

Description

Technical Field

[0001] This utility model belongs to the field of bridge engineering technology, and specifically relates to a single support limiting device for preventing bridge supports from moving. Background Technology

[0002] In bridge engineering, plate rubber bearings are typically placed directly on the bearing pad / pier cap or embedded steel plate, lacking effective positioning devices. When the bearing is subjected to uneven stress or impact, it may move, affecting the stability of the bridge structure.

[0003] In existing technologies, some supports are fixed by simple limiting blocks or welding, but these methods have problems such as difficulty in replacement and poor adaptability.

[0004] Therefore, there is an urgent need for a detachable, adaptable, and effective limiting device that can prevent the support from moving. Utility Model Content

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] A single-support limiting device for preventing bridge support movement, comprising:

[0007] The first limiting frame is sleeved on the outside of the support on the pad stone / pier cap;

[0008] The second limiting frame is located on one side of the first limiting frame and is connected to the first limiting frame through a detachable connecting mechanism to form a semi-enclosed structure, so as to cover the upper end of the pad stone / pier cap; the first limiting frame and the second limiting frame are fixedly installed on the side wall of the pad stone / pier cap by fixing bolts.

[0009] Furthermore, the first limiting frame includes:

[0010] A fixed frame with an opening on one side;

[0011] A square bracket located inside the fixed frame is connected to the fixed frame bracket by a plurality of first L-shaped connecting brackets.

[0012] The fixed frame is fixedly installed on the side wall of the pad stone / pier cap by a fixed connection mechanism, and the square bracket is sleeved on the outside of the support on the pad stone / pier cap; the second limiting frame is located on the opening side of the fixed frame and is connected to the fixed frame by connecting bolts.

[0013] Furthermore, the second limiting frame includes a limiting frame body and a plurality of second L-shaped connecting frames. The limiting frame body has a U-shaped structure and is fixedly installed on the open side of the fixed frame by a first connecting bolt. The second L-shaped connecting frames are spaced apart between the limiting frame body and the square bracket. The first end of the second L-shaped connecting frame is connected to the limiting frame body by a second connecting bolt, and the second end is connected to the connecting edge of the square bracket near the limiting frame body by a third connecting bolt.

[0014] Furthermore, a rubber buffer layer is provided between the fixed frame and the pad stone / pier cap, and between the limiting frame body and the pad stone / pier cap.

[0015] Furthermore, the rubber buffer layer is a rubber sheet.

[0016] Furthermore, both the fixed frame and the limiting frame body are provided with multiple fixing bolt connection holes in the circumference, and are fixedly connected to the upper end of the side wall of the pad stone / pier cap by fixing bolts provided corresponding to the fixing bolt connection holes.

[0017] Furthermore, the first and second limiting frames are made of corrosion-resistant steel plates or 316 stainless steel.

[0018] The beneficial effects of this utility model are:

[0019] Preventing support movement: The limiting frame and rubber buffer layer effectively prevent support sliding;

[0020] Easy to replace: The detachable bolt connection design facilitates the installation and replacement of the support;

[0021] Highly adaptable: It can be adjusted according to the size of the bearing and pad stone / pier cap, and is suitable for different bridge structures;

[0022] Corrosion resistant: Made with anti-corrosion treatment or 316 stainless steel, suitable for various environments. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the single support limiting device for preventing bridge support movement provided by this utility model.

[0024] Figure 2 This is a schematic diagram of a single support limiting device for preventing bridge support movement provided by this utility model installed on a pad stone.

[0025] The components include: 1. Fixed frame; 2. Rubber buffer layer; 3. Square bracket; 4. First L-shaped connecting frame; 5. Second connecting bolt; 6. Second L-shaped connecting frame; 7. Third connecting bolt; 8. Limiting frame body; 9. Fixed bolt; 10. Support; 11. Pad stone. Detailed Implementation

[0026] This utility model provides a single-support limiting device for preventing bridge supports from moving. The technical solution of this utility model will be described in detail below with reference to the accompanying drawings to make it easier to understand and master.

[0027] Example 1

[0028] The single bearing limiting device for preventing bridge bearing movement provided in this embodiment is suitable for situations where the bearing pad is more than 160mm larger than the bearing.

[0029] refer to Figure 1-2 A single-support limiting device for preventing bridge support movement, comprising:

[0030] The first limiting frame is sleeved on the outside of the support 10 on the pad stone 11.

[0031] The second limiting frame is located on one side of the first limiting frame and is connected to the first limiting frame through a detachable connecting mechanism to form a semi-enclosed structure, so as to cover the upper end of the pad stone 11; the first limiting frame and the second limiting frame are fixedly installed on the side wall of the pad stone 11 by fixing bolts 9.

[0032] In this embodiment, the first limiting frame includes:

[0033] A fixed frame 1 with an opening on one side;

[0034] A square bracket 3 is located inside the fixed frame 1, and the square bracket 3 is connected to the fixed frame 1 bracket through multiple first L-shaped connecting brackets 4;

[0035] The fixed frame 1 is fixedly installed on the side wall of the pad stone 11 by a fixed connection mechanism, and the square bracket 3 is sleeved on the outside of the support 10 on the pad stone 11; the second limiting frame is located on the opening side of the fixed frame 1 and is connected to the fixed frame 1 by connecting bolts.

[0036] Specifically, the second limiting frame includes a limiting frame body 8 and a plurality of second L-shaped connecting frames 6. The limiting frame body 8 has a U-shaped structure and is fixedly installed on the open side of the fixed frame 1 by a first connecting bolt. The second L-shaped connecting frames 6 are spaced apart between the limiting frame body 8 and the square bracket 3. The first end of the second L-shaped connecting frame 6 is connected to the limiting frame body 8 by a second connecting bolt 5, and the second end is connected to the connecting edge of the square bracket 3 near the limiting frame body 8 by a third connecting bolt 7.

[0037] In this embodiment, a rubber buffer layer 2 is provided between the fixed frame 1 and the pad stone 11, and between the limiting frame body 8 and the pad stone 11.

[0038] In this embodiment, the rubber buffer layer 2 is a rubber sheet; the rubber sheet is set between the fixed frame 1 and the pad stone 11, and between the limiting frame body 8 and the pad stone 11, to reduce impact and enhance friction.

[0039] In this embodiment, both the fixed frame 1 and the limiting frame body 8 are provided with multiple fixing bolt 9 connection holes in the circumference, and are fixedly connected to the upper end of the side wall of the pad stone 11 by fixing bolts 9 provided corresponding to the fixing bolt 9 connection holes.

[0040] In this embodiment, the first limiting frame and the second limiting frame are made of corrosion-resistant steel plate or 316 stainless steel.

[0041] Specifically, the first and second limiting frames are made of anti-corrosion steel plates in ordinary areas, preferably steel plates with a railway anti-corrosion system; and 316 stainless steel in heavily corrosive areas.

[0042] The single support limiting device provided in this embodiment for preventing bridge support movement has a first limiting frame and a second limiting frame fixed on the side of the pier cap if the height of the bearing pad is insufficient or there is no bearing pad.

[0043] In the single-support limiting device for preventing bridge support movement provided in this embodiment, the first limiting frame and the second limiting frame are arranged around the support 10, and their dimensions are adjusted according to the dimensions of the support 10 and the pad stone 11 to ensure the limiting effect.

[0044] The installation steps of the single-support limiting device for preventing bridge support movement provided in this embodiment are as follows:

[0045] 1. Lift the beam by approximately 5mm to ensure that the support can be inserted or removed.

[0046] 2. Insert the square bracket of the first limiting frame into the support, push the second limiting frame in from the side of the pad stone, and fix the movable end with the first connecting bolt.

[0047] 3. Lay rubber sheets between the first limiting frame and the pad stone / pier cap, and between the limiting frame body and the pad stone / pier cap, and tighten the second and third connecting bolts to achieve an adjustable and fixed function; install fixing bolts for fixation.

[0048] The technical solution of this utility model has been fully described above. It should be noted that the specific implementation of this utility model is not limited to the above description. All technical solutions formed by those skilled in the art based on the spirit of this utility model by adopting equivalent transformations or equivalent transformations in terms of structure, method or function shall fall within the protection scope of this utility model.

Claims

1. A single abutment position limiting device for preventing abutment movement of a bridge, characterized by, include: The first limiting frame is sleeved on the outside of the support on the pad stone / pier cap; The second limiting frame is located on one side of the first limiting frame and is connected to the first limiting frame by connecting bolts to form a semi-enclosed structure to cover the upper end of the pad stone / pier cap; the first limiting frame and the second limiting frame are fixedly installed on the side wall of the pad stone / pier cap by fixing bolts.

2. The single bearing position limiting device for preventing the bridge bearing from moving according to claim 1, wherein, The first limiting frame includes: A fixed frame with an opening on one side; A square bracket located inside the fixed frame is connected to the fixed frame bracket by a plurality of first L-shaped connecting brackets. The fixed frame is fixedly installed on the side wall of the pad stone / pier cap by a fixed connection mechanism, and the square bracket is sleeved on the outside of the support on the pad stone / pier cap; the second limiting frame is located on the opening side of the fixed frame and is connected to the fixed frame by connecting bolts.

3. The single-support limiting device for preventing bridge support movement according to claim 2, characterized in that, The second limiting frame includes a limiting frame body and a plurality of second L-shaped connecting frames. The limiting frame body has a U-shaped structure and is fixedly installed on the open side of the fixed frame by a first connecting bolt. The second L-shaped connecting frames are spaced apart between the limiting frame body and the square bracket. The first end of the second L-shaped connecting frame is connected to the limiting frame body by a second connecting bolt, and the second end is connected to the connecting edge of the square bracket near the limiting frame body by a third connecting bolt.

4. The single bearing position limiting device for preventing the bridge bearing from moving according to claim 3, characterized in that, A rubber buffer layer is provided between the fixed frame and the pad stone / pier cap, and between the limiting frame body and the pad stone / pier cap.

5. The single bearing position limiting device for preventing the bridge bearing from moving according to claim 4, wherein, The rubber buffer layer is a rubber sheet.

6. The single bearing position limiting device for preventing the bridge bearing from moving according to claim 3, wherein, Both the fixed frame and the limiting frame body are provided with multiple fixing bolt connection holes in their circumference, and are fixedly connected to the upper end of the side wall of the pad stone / pier cap by fixing bolts provided corresponding to the fixing bolt connection holes.

7. The single bearing position limiting device for preventing the bridge bearing from moving according to claim 1, wherein, The first and second limiting frames are made of corrosion-resistant steel plates or 316 stainless steel.

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