Foundation pit protection support for road construction
By designing a composable foundation pit protection bracket, the problem of increasing welding costs caused by changes in foundation pit size in the prior art is solved, flexible adjustment and convenient disassembly of the bracket are achieved, and the stability of the foundation pit side wall is enhanced.
Patent Information
- Application Number
- CN202422313347.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-23
AI Technical Summary
The existing foundation pit protection bracket cannot be flexibly adjusted according to changes in the foundation pit size, resulting in increased welding costs.
A foundation pit protection bracket including the first bracket and the second bracket is designed. Through a combined structure of slots, insert blocks, partition plates, mounting grooves and screw holes, the brackets are freely combined and disassembled, and combined with the use of adjustment plates and support rods, it is adapted to different foundation pit depths and lengths.
It realizes flexible combination and disassembly of foundation pit protective brackets, which is easy to store, reduces costs and increases the structural strength of the side walls of foundation pits, and prevents collapse.
Smart Images
Figure CN223135148U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of municipal engineering, in particular to a foundation pit protection bracket for road construction. Background Technique
[0002] A road construction foundation pit refers to a pit-shaped space excavated during the construction of a road project for the construction of underground structures. After the foundation pit is excavated, a protection bracket is required to protect the pit wall and prevent collapse.
[0003] However, the foundation pit protection brackets in the prior art are all welded. After the foundation pit changes, they cannot be extended according to the size of the foundation pit and still need to be welded separately, increasing the cost.
[0004] Therefore, it is necessary to provide a new foundation pit protection bracket for road construction to solve the above technical problems. Content of the Utility Model
[0005] The technical problem solved by the utility model is to provide a foundation pit protection bracket for road construction that can be freely assembled and installed according to the depth and length of the foundation pit and is convenient for storage.
[0006] To solve the above technical problem, a foundation pit protection bracket for road construction provided by the utility model includes a first bracket. A second bracket is provided at the top of the first bracket. Slots are opened at the tops of both the first bracket and the second bracket. A plug is fixedly connected to the bottom of the second bracket. Partition plates are penetrated and slidably connected between the three first brackets and between the three second brackets. Two installation grooves are opened at the rear sides of the partition plates. Two first installation screw holes are opened on the inner walls of the installation grooves. Clamping blocks are fixedly connected to both the top and bottom sides of the partition plates. An installation plate is arranged between the installation grooves. Wall nails are arranged on the front side of the installation plate in a uniform distribution. Second installation screw holes are opened at the four corners on the rear side of the installation plate. Installation screws are threadedly connected inside the second installation screw holes, and the installation screws penetrate and are threadedly connected with the first installation screw holes.
[0007] Preferably, adjustment screw holes are uniformly opened at the rear sides of the first bracket and the second bracket.
[0008] Preferably, an adjustment plate is arranged at the rear sides of the first bracket and the second bracket. A support rod is hinged to the rear side of the adjustment plate. A support plate is hinged to the rear end of the support rod. Ground nails penetrate and are arranged at the four corners of the top of the support plate.
[0009] Preferably, adjustment bolts penetrate and are arranged at the four corners of the rear side of the adjustment plate, and the adjustment bolts penetrate and are threadedly connected with the adjustment screw holes.
[0010] Preferably, a base is fixedly connected to the bottom of the first bracket.
[0011] Compared with the related art, a foundation pit protection bracket for road construction provided by the present utility model has the following beneficial effects:
[0012] The present utility model provides a foundation pit protection bracket for road construction. First, by setting the second bracket, when in use, the insertion block at the bottom of the second bracket is inserted into the slot on the first bracket, realizing the longitudinal connection between the first bracket and the second bracket. According to the length of the foundation pit, multiple first brackets are horizontally placed according to the length of the partition board, facilitating the subsequent connection of multiple first brackets by the partition board. After the connection between the first bracket and the second bracket is completed and multiple first brackets are horizontally placed, the partition board is moved downward from the top of the second bracket along the protrusions on the sides of the first bracket and the second bracket until it is installed flush with the top. Then, multiple wall nails are threadedly installed on the mounting plate as required, and the wall nails are inserted into the side wall of the foundation pit through the gap between the two partition boards. The mounting plate is fitted into the mounting groove on the partition board, and the mounting screw passes through the second mounting screw hole and is threadedly connected to the first mounting screw hole, thereby fixing the mounting plate in the mounting groove and also connecting multiple partition boards together. This device can be freely combined according to the width and depth of the foundation pit, has high applicability, reduces costs and labor time, and can also increase the structural strength of the soil on the side wall of the foundation pit and is not prone to collapse. Moreover, when not in use, all parts can be disassembled for easy storage. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic structural diagram of a preferred embodiment of a foundation pit protection bracket for road construction provided by the present utility model;
[0014] Figure 2 is Figure 1 a partial structural schematic diagram shown in;
[0015] Figure 3 is Figure 2 a partially enlarged structural schematic diagram shown in;
[0016] Figure 4 is Figure 2 a partially enlarged structural schematic diagram shown in;
[0017] Figure 5 is Figure 2 a partially enlarged structural schematic diagram shown in.
[0018] Reference numerals in the figure: 1, the first bracket; 2, the second bracket; 3, the base; 4, the support rod; 5, the adjusting bolt; 6, the support plate; 7, the ground nail; 8, the adjusting plate; 9, the partition plate; 10, the wall nail; 11, the insertion block; 12, the insertion slot; 13, the adjusting screw hole; 14, the clamping block; 15, the installation groove; 16, the first installation screw hole; 17, the installation plate; 18, the installation screw; 19, the second installation screw hole. Detailed implementation manners
[0019] The present utility model will be further described below in conjunction with the accompanying drawings and implementation manners.
[0020] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , wherein, Figure 1 is a schematic structural diagram of a preferred embodiment of a foundation pit protection bracket for road construction provided by the present utility model; Figure 2 is Figure 1 a partial structural schematic diagram shown in Figure 3 is Figure 2 a partially enlarged structural schematic diagram shown in Figure 4 is Figure 2 a partially enlarged structural schematic diagram shown in Figure 5 is Figure 2Schematic diagram of enlarged partial structure shown. A foundation pit protection bracket for road construction includes a first bracket 1. A second bracket 2 is provided at the top of the first bracket 1. Slots 12 are opened at the tops of both the first bracket 1 and the second bracket 2. A plug 11 is fixedly connected to the bottom of the second bracket 2. Partition plates 9 penetrate and are slidably connected between three first brackets 1 and between three second brackets 2. Two installation grooves 15 are opened at the rear sides of the partition plates 9. Two first installation screw holes 16 are opened on the inner walls of the installation grooves 15. Clamping blocks 14 are fixedly connected to both the top and bottom sides of the partition plates 9. An installation plate 17 is arranged between the installation grooves 15. Wall nails 10 are evenly distributed on the front side of the installation plate 17. Four corners at the rear side of the installation plate 17 are provided with evenly distributed second installation screw holes 19. An installation screw 18 is threadedly connected inside the second installation screw hole 19, and the installation screw 18 penetrates and is threadedly connected with the first installation screw hole 16. When in use, the plug 11 at the bottom of the second bracket 2 is inserted into the slot 12 on the first bracket 1 to realize the connection between the first bracket 1 and the second bracket 2, facilitating assembly according to the depth of the foundation pit. After installation, the partition plate 9 is moved downward along the protrusions on the sides of the first bracket 1 and the second bracket 2 from the top of the second bracket 2 until the partition plate 9 is installed flush with the top of the second bracket 2. Then, the wall nails 10 are threadedly installed on the installation plate 17 as required. Then, the wall nails 10 are inserted into the side wall of the foundation pit through the gap between the two partition plates 9. The installation plate 17 is fitted with the installation grooves 15 on the partition plates 9, and the installation screw 18 penetrates through the second installation screw hole 19 and is threadedly connected with the first installation screw hole 16, thereby fixing the installation plate 17 in the installation grooves 15 and also being able to connect multiple partition plates 9 together.
[0021] Adjusting screw holes 13 are evenly opened at the rear sides of both the first bracket 1 and the second bracket 2, enabling the adjusting bolt 5 to be threadedly connected with the adjusting screw holes 13.
[0022] An adjusting plate 8 is arranged at the rear sides of the first bracket 1 and the second bracket 2. A support rod 4 is hinged to the rear side of the adjusting plate 8. The rear end of the support rod 4 is hinged to a support plate 6. Ground nails 7 penetrate and are arranged at the four corners of the top of the support plate 6. Move the adjusting plate 8 to the rear sides of the first bracket 1 and the second bracket 2 and be able to move up and down. When it is moved to a suitable height, it is fixed. After fixing, rotate the support rod 4 so that the support plate 6 can contact the ground, and then insert the ground nails 7 through the support plate 6 into the ground, thereby fixing the support plate 6 to prevent it from sliding and realizing the support of the entire device.
[0023] Four corners at the rear side of the adjusting plate 8 are penetrated and provided with adjusting bolts 5, and the adjusting bolts 5 penetrate and are threadedly connected with the adjusting screw holes 13. By threading the adjusting bolts 5 through the adjusting plate 8 and the adjusting screw holes 13, the adjusting plate 8 is fixed to the rear side of the first bracket 1 or the second bracket 2.
[0024] The bottom of the first bracket 1 is fixedly connected with a base 3, which increases the support for the bottom of the first bracket 1 and prevents the first bracket 1 and the second bracket 2 from easily collapsing backward.
[0025] The working principle of a foundation pit protection bracket for road construction provided by the present utility model is as follows:
[0026] First of all, during use, the insertion block 11 at the bottom of the second bracket 2 is inserted into the slot 12 on the first bracket 1 to achieve the longitudinal connection between the first bracket 1 and the second bracket 2. According to the length of the foundation pit, multiple first brackets 1 are horizontally placed according to the length of the partition plate 9, which facilitates the subsequent connection of the multiple first brackets 1 by the partition plate 9. After the connection between the first bracket 1 and the second bracket 2 is completed and the multiple first brackets 1 are horizontally placed, the partition plate 9 is moved downward from the top of the second bracket 2 along the protrusions on the sides of the first bracket 1 and the second bracket 2 until it is installed flush with the top. Then, multiple wall nails 10 are threadedly installed on the mounting plate 17 as required, and the wall nails 10 are inserted into the side wall of the foundation pit through the gap between the two partition plates 9. The mounting plate 17 is fitted into the mounting groove 15 on the partition plate 9, and the mounting screw 18 penetrates through the second mounting screw hole 19 and is threadedly connected with the first mounting screw hole 16, thereby fixing the mounting plate 17 in the mounting groove 15 and also connecting the multiple partition plates 9 together. The adjusting plate 8 is moved to the rear side of the first bracket 1 and the second bracket 2. When it reaches the appropriate height, the adjusting bolts 5 penetrate through the adjusting plate 8 and the adjusting screw holes 13 for threaded connection, so as to fix the adjusting plate 8 to the rear side of the first bracket 1 or the second bracket 2. After the fixation is completed, the support rod 4 is rotated so that the support plate 6 can contact the ground, and then the ground nail 7 penetrates through the support plate 6 and is inserted into the ground to fix the support plate 6 and prevent it from sliding, realizing the support for the whole device.
[0027] Compared with the related technology, a foundation pit protection bracket for road construction provided by the present utility model has the following beneficial effects:
[0028] The utility model provides a foundation pit protection bracket for road construction. Firstly, through the provided second bracket 2, when in use, the insertion block 11 at the bottom of the second bracket 2 is inserted into the slot 12 on the first bracket 1, realizing the longitudinal connection between the first bracket 1 and the second bracket 2. According to the length of the foundation pit, multiple first brackets 1 are horizontally placed according to the length of the partition board 9, facilitating the subsequent connection of multiple first brackets 1 by the partition board 9. After the connection between the first bracket 1 and the second bracket 2 is completed and multiple first brackets 1 are horizontally placed, the partition board 9 is moved downward from the top of the second bracket 2 along the protrusions on the sides of the first bracket 1 and the second bracket 2 until it is installed flush with the top. Then, according to requirements, multiple wall nails 10 are threadedly installed on the mounting plate 17, and the wall nails 10 are inserted into the side wall of the foundation pit through the gap between the two partition boards 9. The mounting plate 17 is fitted with the mounting groove 15 on the partition board 9, and the mounting screw 18 passes through the second mounting screw hole 19 and is threadedly connected to the first mounting screw hole 16, thereby fixing the mounting plate 17 in the mounting groove 15 and also connecting multiple partition boards 9 together. The device can be freely combined according to the width and depth of the foundation pit, has high applicability, can also increase the structural strength of the soil on the side wall of the foundation pit and is not easy to collapse, and when not in use, all parts can be disassembled for easy storage.
[0029] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present utility model.
Claims
1. A foundation pit protection bracket for road construction, including a first bracket, characterized in that: A second bracket is provided at the top of the first bracket. Slots are opened at the tops of the first bracket and the second bracket. A plug is fixedly connected to the bottom of the second bracket. A partition board penetrates and is slidably connected between the three first brackets and between the three second brackets. Two installation grooves are opened at the rear sides of the partition board. Two first installation screw holes are opened on the inner walls of the installation grooves. Clamping blocks are fixedly connected to both sides of the top and bottom of the partition board. An installation plate is arranged between the installation grooves. Uniformly distributed wall nails are arranged on the front side of the installation plate. Four corners at the rear side of the installation plate are provided with uniformly distributed second installation screw holes. Installation screws are threadedly connected inside the second installation screw holes, and the installation screws penetrate and are threadedly connected with the first installation screw holes.
2. The foundation pit protection bracket for road construction according to claim 1, wherein, Adjusting screw holes are uniformly opened at the rear sides of the first bracket and the second bracket.
3. A foundation pit protection bracket for road construction according to claim 1, characterized in that, Adjusting plates are arranged at the rear sides of the first bracket and the second bracket. A support rod is hinged to the rear side of the adjusting plate. The rear end of the support rod is hinged to a support plate. Ground nails penetrate and are arranged at the four corners of the top of the support plate.
4. A foundation pit protection bracket for road construction according to claim 3, characterized in that, Adjusting bolts penetrate and are arranged at the four corners of the rear side of the adjusting plate, and the adjusting bolts penetrate and are threadedly connected with the adjusting screw holes.
5. A foundation pit protection bracket for road construction according to claim 1, characterized in that, A base is fixedly connected to the bottom of the first bracket.