Foundation pit supporting device

Abstract

The utility model relates to the technical field of foundation pit supporting, and provides a foundation pit supporting device which comprises a supporting plate, a first hole groove and a second hole groove are formed in the supporting plate, the first hole groove and the second hole groove are matched with a supporting rod and a fixing device respectively, the supporting rod is installed in the first hole groove in a sliding mode, and the fixing device is installed in the second hole groove in a sliding mode. The fixing device is provided with an inserting groove, and the second tip end of the supporting rod is inserted into the inserting groove. The supporting rod, the fixing device and the supporting plate are in a stable triangular supporting state, the supporting bearing capacity is larger, installation is convenient, the supporting plate can be easily inserted into soil through the first tip end so that the supporting plate can be fixed, the second tip end is inserted into the inserting groove, the inserting groove can well lock the supporting rod, and the supporting rod is not prone to falling off. Displacement of the supporting rods and the fixing devices is limited through the fixing device clamping seats and the supporting rod clamping seats, installation of the supporting rods and the fixing devices is facilitated, displacement of the supporting rods and the fixing devices due to stress is avoided, sliding grooves are formed in the clamping plates, and adjacent supporting plates can be fixed together conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a foundation pit support device. Background Art

[0002] Foundation pits are usually used to build underground parking lots, underground shopping malls, basements, etc. They are easily affected by groundwater and soil quality. The excavation of foundation pits requires foundation pit support for the surrounding soil to ensure construction safety and soil stability.

[0003] In the prior art, there is a patent with application number 202311464639.0, which discloses a foundation pit support device and a foundation pit support method, including a support plate, and a first support component and a second support component are provided at both ends of the side of the support plate; the first support component includes: a strip plug, the strip plug is horizontally arranged on the side of the support plate, and the other side of the support plate abuts against the limit plate, the end of the strip plug passes through the support plate and is fixedly installed at the center of the side of the limit plate, and a vertebra is fixedly installed on the top of the strip plug, and a reinforcement component for reinforcing the stability of the strip plug is provided inside the strip plug. The invention can make the limit pin move and rotate synchronously, so that the limit pin can enter the soil more smoothly after extending out of the strip plug and extending out of the strip plug, so as to achieve stable limiting of the strip plug, and further ensure the support safety of the support plate.

[0004] The inventors have found that there are at least the following problems in the prior art: the first support assembly and the second support assembly of the prior art have poor support effects and short lifespans, and when the support plate is subjected to large forces, the first support assembly and the second support assembly are easily deformed, resulting in unstable support. Utility Model Content

[0005] The purpose of the implementation mode of the utility model is to provide a foundation pit supporting device, aiming to solve the problems of poor supporting effect and short life of the foundation pit supporting device in the prior art.

[0006] In order to solve the above technical problems, the utility model provides a foundation pit support device, including a support plate, a first hole groove and a second hole groove are opened on the support plate, the first hole groove and the second hole groove are respectively matched with a support rod and a fixing device, the support rod is slidably installed in the first hole groove, and the fixing device is slidably installed in the second hole groove, the right end of the support rod has a second tip, the right end of the fixing device has a third tip, a slot is opened on the right side of the third tip, and the second tip is inserted in the slot.

[0007] The bottom of the supporting plate has a first tip which gradually narrows inwards.

[0008] The support plate is provided with more than two drainage grooves.

[0009] The foundation pit supporting device has more than one supporting plate, and the supporting plates have fixing holes. Two adjacent supporting plates are fixed by clamping plates, and the clamping plates have sliding grooves. The fixing holes of two adjacent supporting plates are fixed to the sliding grooves by bolts.

[0010] A support rod holder is fixed on the support rod, and the support rod holder is in contact with the plate surface of the supporting plate.

[0011] A fixing device holder is fixed on the fixing device, and the right end surface of the fixing device holder is attached to the left plate surface of the supporting plate.

[0012] More than two support rods and more than two fixing devices are installed on the support plate, and the second tip of each support rod is inserted into the slot of the corresponding fixing device respectively.

[0013] The second tip is tapered, and the third tip gradually narrows inwards.

[0014] The angle between the opening direction of the first hole slot and the supporting plate is 20 degrees to 80 degrees.

[0015] The angle between the opening direction of the second hole slot and the supporting plate is 80 degrees to 90 degrees.

[0016] Compared with the prior art, the support rod, fixing device and support plate of the utility model are in a stable triangular support state, with greater support bearing capacity and easy installation. The first tip can easily insert the support plate into the soil to fix the support plate. The second tip is inserted into the slot, which can lock the support rod well. The displacement of the support rod and the fixing device is limited by the fixing device holder and the support rod holder, which is convenient for the installation of the support rod and the fixing device, and avoids the displacement of the support rod and the fixing device under force. There are sliding grooves on the splint to facilitate the fixing of adjacent support plates together, and improve the support effect when the support plate is unevenly stressed. A drainage groove 8 is provided on the support plate to facilitate the water in the foundation pit to seep out, and avoid the water softening the soil, resulting in unstable foundation pit support. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the utility model;

[0020] Figure 3 It is a partial schematic diagram of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the utility model;

[0022] In the figure: 1-support plate, 2-support rod, 3-fixing device, 4-support rod holder, 5-fixing device holder, 6-slide groove, 7-clamp plate, 8-drainage groove, 9-first hole groove, 10-second hole groove, 11-first tip, 12-second tip, 13-slot, 14-third tip. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, each embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings. However, it can be understood by those skilled in the art that in each embodiment of the utility model, many technical details are proposed in order to enable readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed in the present application can also be implemented. The division of the following embodiments is for the convenience of description, and should not constitute any limitation on the specific implementation of the utility model. The various embodiments can be combined and referenced with each other under the premise of no contradiction.

[0024] Example 1

[0025] like Figure 1 A foundation pit support device shown in the figure includes a support plate 1, on which a first hole groove 9 and a second hole groove 10 are opened. The first hole groove 9 and the second hole groove 10 are respectively matched with a support rod 2 and a fixing device 3. The support rod 2 is slidably installed in the first hole groove 9, and the fixing device 3 is slidably installed in the second hole groove 10. The right end of the support rod 2 has a second tip 12, and the right end of the fixing device 3 has a third tip 14. A slot 13 is opened on the right side of the third tip 14, and the second tip 12 is inserted into the slot 13.

[0026] The bottom of the supporting plate 1 has a first tip 11 which gradually narrows inwards.

[0027] The support plate 1 is provided with more than two drainage grooves 8 .

[0028] The foundation pit supporting device has more than one supporting plate 1, and fixing holes are opened on the supporting plate 1. Two adjacent supporting plates 1 are fixed by a clamping plate 7. There is a slide groove 6 on the clamping plate 7, and the fixing holes of two adjacent supporting plates 1 are fixed to the slide groove by bolts.

[0029] A support rod holder 4 is fixed on the support rod 2 , and the support rod holder 4 is in contact with the surface of the supporting plate 1 .

[0030] A fixing device holder 5 is fixed on the fixing device 3 , and the right end surface of the fixing device holder 5 is attached to the left side surface of the supporting plate 1 .

[0031] More than two support rods 2 and more than two fixing devices 3 are installed on the supporting plate 1 , and the second tip 12 of each support rod 2 is inserted into the slot 13 of the corresponding fixing device 3 .

[0032] The second tip 12 is tapered, and the third tip 14 gradually narrows inwards.

[0033] The angle between the opening direction of the first hole slot 9 and the supporting plate is 20 degrees to 80 degrees.

[0034] The angle between the opening direction of the second hole slot 10 and the supporting plate is 80 degrees to 90 degrees.

[0035] Example 2

[0036] like Figure 1 The use principle of a foundation pit support device shown in the figure:

[0037] First, insert the first tip 11 of the support plate 1 into the soil, then insert the fixing device 3 into the second hole groove 10 until the fixing device holder 5 fits with the support plate 1, and then insert the support rod 2 into the first hole groove 9 until the support rod holder fits with the support plate 1. At this time, the second tip has also been inserted into the slot 13.

[0038] Example 3

[0039] Repeat the steps of Example 2, install the second supporting device on the side of the supporting plate 1, and fix the first supporting device and the second supporting device by the clamping plate 7, so as to improve the supporting effect when the adjacent supporting plates 1 are subjected to uneven force and increase the stability of the support.

[0040] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present invention, and in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A foundation pit support device, comprising a support plate (1), characterized in that: The support plate (1) is provided with a first hole groove (9) and a second hole groove (10), the first hole groove (9) and the second hole groove (10) are respectively matched with the support rod (2) and the fixing device (3), the support rod (2) is slidably installed in the first hole groove (9), and the fixing device (3) is slidably installed in the second hole groove (10), the right end of the support rod (2) is provided with a second tip (12), the right end of the fixing device (3) is provided with a third tip (14), the right side of the third tip (14) is provided with a slot (13), and the second tip (12) is inserted into the slot (13).

2. The foundation pit supporting device according to claim 1, characterized in that: The bottom of the supporting plate (1) has a first tip (11) which gradually narrows inwards.

3. The foundation pit supporting device according to claim 1, characterized in that: The support plate (1) is provided with more than two drainage grooves (8).

4. The foundation pit supporting device according to claim 1, characterized in that: The foundation pit support device has more than one support plate (1), the support plate (1) has fixing holes, two adjacent support plates (1) are fixed by a clamping plate (7), the clamping plate (7) has a slide groove (6), and the fixing holes of the two adjacent support plates (1) are fixed to the slide groove by bolts.

5. The foundation pit supporting device according to claim 1, characterized in that: A support rod clamping seat (4) is fixed on the support rod (2), and the support rod clamping seat (4) is in contact with the plate surface of the supporting plate (1).

6. The foundation pit supporting device according to claim 1, characterized in that: A fixing device holder (5) is fixed on the fixing device (3), and the right end surface of the fixing device holder (5) is attached to the left side surface of the supporting plate (1).

7. The foundation pit supporting device according to claim 1, characterized in that: More than two support rods (2) and more than two fixing devices (3) are installed on the support plate (1), and the second tip (12) of each support rod (2) is inserted into a slot (13) of a corresponding fixing device (3).

8. The foundation pit supporting device according to claim 1, characterized in that: The second tip (12) is tapered, and the third tip (14) gradually narrows inwards.

9. The foundation pit supporting device according to claim 1, characterized in that: The angle between the opening direction of the first hole groove (9) and the supporting plate is 20 degrees to 80 degrees.

10. The foundation pit supporting device according to claim 1, characterized in that: The angle between the opening direction of the second hole groove (10) and the supporting plate is 80 degrees to 90 degrees.

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