Prefabricated foundation pit supporting structure

Abstract

The utility model relates to the technical field of constructional engineering, and discloses a prefabricated foundation pit supporting structure which comprises a pile body, and a fixing device is arranged on the pile body. The fixing device comprises a sleeve, the sleeve fixedly penetrates through the left side of the pile body, a groove is formed in the top of the sleeve, a supporting rod is hinged to the front face of the groove through a hinge rod, a sliding rod is slidably connected to the inner wall of the sleeve, a clamping groove is formed in the top of the sliding rod, and a clamping block is fixedly connected to the bottom of the supporting rod; the sliding rod is pushed to move leftwards, the right sides of the clamping grooves in the top and the bottom of the sliding rod can drive the clamping block and the supporting rod to descend and retract into the inner wall of the groove, meanwhile, the spring is pressed, the sleeve penetrates through the pile body and the supporting plate, the sliding rod is loosened, the spring drives the sliding rod to move rightwards, the supporting rod is supported out, and a rotary knob is twisted. And the rotary knob rotates to completely abut against the pile body and the supporting plate, rapid fixing of the pile body is achieved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a prefabricated assembled foundation pit supporting structure. Background Art

[0002] Foundation pit support is a measure of support, reinforcement and protection for the side walls of the foundation pit and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.

[0003] According to the Chinese patent publication number CN212175806U, the technical solution disclosed in the patent document is as follows: The utility model relates to the field of construction engineering technology, and more specifically, it relates to an assembled foundation pit support structure, and the key points of its technical solution are: it includes prefabricated piles and prefabricated wall panels, a plurality of prefabricated piles are arranged, and the plurality of prefabricated piles are evenly spaced on the pit wall, the bottom of the prefabricated piles is inserted into the bottom of the pit, the prefabricated wall panels are arranged between adjacent prefabricated piles, the prefabricated piles and the prefabricated wall panels are preliminarily spliced ​​by a first splicing structure, and the prefabricated piles and the prefabricated wall panels are fixedly connected by a grouting connection structure. The assembled foundation pit support structure of the utility model has the effect of improving the construction speed of the foundation pit project.

[0004] The above patent has the following shortcomings: the device is not easy to assemble when in use. In view of this, we propose a prefabricated and assembled foundation pit support structure. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a prefabricated and assembled foundation pit supporting structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: it includes a pile body, a fixing device is arranged on the pile body; the fixing device includes a sleeve, the sleeve is fixedly passed through the left side of the pile body, a groove is arranged on the top of the sleeve, a support rod is hinged on the front side of the groove through a hinge rod, a sliding rod is slidably connected to the inner wall of the sleeve, a clamping groove is arranged on the top of the sliding rod, a clamping block is fixedly connected to the bottom of the support rod, a sliding groove is arranged on the left side of the inner wall of the sleeve, a limiting rod is fixedly connected to the left side of the sliding rod, a spring is movably sleeved on the outer wall of the limiting rod, the spring is a compression spring, which is easy to manufacture and process, has low cost, and can be applied to different shapes, sizes and load requirements, so it has high applicability, the compression spring has a compression force, the compression spring has the characteristics of high elasticity, high thermal conductivity and high durability, has high reliability and stability during operation, and compared with ordinary springs, the design of the compression spring is more compact, can exert a greater compression effect in a limited space, and save equipment space.

[0007] Preferably, a threaded groove is provided on the outer wall of the sleeve, and a knob is threadedly connected to the outer wall of the threaded groove. The knob is cast in an integrated manner, which improves the integrity. There is no interface inside, and there is no weakness problem at the interface. No assembly is required and it can be directly installed, which is convenient for production and maintenance.

[0008] Preferably, two ends of the spring are fixedly connected to the left side of the inner wall of the slide groove and the left side of the slide rod respectively.

[0009] Preferably, a supporting device is provided on the pile body, and the supporting device includes a supporting plate, which is provided on the pile body, and a supporting plate is fixedly connected to the bottom of the supporting plate. The supporting plate is cast in an integrated manner, which improves the integrity, has no interface inside, and does not have the problem of weakness at the interface. It does not require assembly and can be directly installed, which is convenient for production and maintenance.

[0010] Preferably, a connecting plate is fixedly connected to the right side of the pile body, a fixing block is fixedly connected to the right side of the connecting plate, and the fixing block is installed with a diagonal brace by bolts.

[0011] Preferably, there are four diagonal braces to improve the stability of the pile body.

[0012] Compared with the prior art, the utility model provides a prefabricated and assembled foundation pit support structure, which has the following beneficial effects:

[0013] 1. A prefabricated and assembled foundation pit support structure, by pushing the sliding rod, the sliding rod moves to the left, the right side of the card slot at the top and bottom of the sliding rod will drive the card block and the support rod to descend, shrink into the inner wall of the groove, and at the same time the spring is compressed, the sleeve passes through the pile body and the support plate, the sliding rod is loosened, the spring drives the sliding rod to move to the right, the support rod is extended, the knob is twisted, and the knob is rotated until it completely rests against the pile body and the support plate, so as to realize rapid fixation of the pile body and improve work efficiency.

[0014] 2. This prefabricated and assembled foundation pit support structure adjusts the angle of the diagonal brace by twisting the bolts. After the angle is adjusted, the bolts are twisted to fix it, thereby improving the stability of the pile body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the right side structure of the utility model;

[0018] Figure 3This is a front sectional structural schematic diagram of the utility model;

[0019] Figure 4 For this utility model Figure 3 A is an enlarged schematic diagram of the structure.

[0020] In the figure: 1. pile body; 2. fixing device; 21. sleeve; 22. slide rod; 23. threaded groove; 24. groove; 25. hinged rod; 26. support rod; 27. slot; 28. block; 29. ​​slide groove; 210. limit rod; 211. spring; 3. supporting device; 31. support plate; 32. support plate; 33. connecting plate; 34. fixing block; 35. diagonal brace; 36. bolt. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example 1

[0022] like Figure 1-4 As shown, the utility model provides a prefabricated and assembled foundation pit support structure, including a pile body 1, on which a fixing device 2 is arranged; the fixing device 2 includes a sleeve 21, the sleeve 21 is fixedly passed through the left side of the pile body 1, a groove 24 is provided on the top of the sleeve 21, a support rod 26 is hingedly connected to the front of the groove 24 through a hinge rod 25, a slide rod 22 is slidably connected to the inner wall of the sleeve 21, a card slot 27 is provided on the top of the slide rod 22, a card block 28 is fixedly connected to the bottom of the support rod 26, a slide groove 29 is provided on the left side of the inner wall of the sleeve 21, and the The left side of the slide bar 22 is fixedly connected to a limit rod 210, and a spring 211 is provided on the outer wall of the limit rod 210. The spring 211 is a compression spring, which is easy to manufacture and process, has low cost, and can be applied to different shapes, sizes and load requirements. Therefore, it has high applicability. The compression spring has a compression force. The compression spring has the characteristics of high elasticity, high thermal conductivity and high durability. It has high reliability and stability during operation. Compared with ordinary springs, the design of the compression spring is more compact, which can exert a greater compression effect in a limited space and save equipment space.

[0023] A threaded groove 23 is formed on the outer wall of the sleeve 21, and a knob is threadedly connected to the outer wall of the threaded groove 23. The knob is cast in an integrated manner, which improves the integrity. There is no interface inside, and there is no weakness problem at the interface. No assembly is required and it can be directly installed, which is convenient for production and maintenance.

[0024] Two ends of the spring 211 are fixedly connected to the left side of the inner wall of the slide groove 29 and the left side of the slide rod 22 respectively.

[0025] In this embodiment, by pushing the slide bar 22, the slide bar 22 moves to the left, and the right side of the slots 27 at the top and bottom of the slide bar 22 will drive the block 28 and the support rod 26 to descend and shrink into the inner wall of the groove 24. At the same time, the spring 211 is compressed, and the sleeve 21 passes through the pile body 1 and the support plate 32. The slide bar 22 is released, and the spring 211 drives the slide bar 22 to move to the right, and the support rod 26 is extended. The knob is twisted, and the knob is rotated until it completely rests against the pile body 1 and the support plate 31, so that the pile body 1 is quickly fixed and the work efficiency is improved. Example 2

[0026] like Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: a supporting device 3 is arranged on the pile body 1, and the supporting device 3 includes a supporting plate 31, and the supporting plate 31 is arranged on the pile body 1, and a supporting plate 32 is fixedly connected to the bottom of the supporting plate 31, and the supporting plate 32 is cast in an integrated manner, which improves the integrity, has no interface inside, and does not have the problem of weakness at the interface, does not require assembly, and can be directly installed, which is convenient for production and maintenance.

[0027] A connecting plate 33 is fixedly connected to the right side of the pile body 1 , a fixing block 34 is fixedly connected to the right side of the connecting plate 33 , and a diagonal brace 35 is installed on the fixing block 34 through bolts 36 .

[0028] There are four diagonal braces 35 to improve the stability of the pile body 1.

[0029] In this embodiment, the angle of the diagonal brace 35 is adjusted by twisting the bolt 36 , and after the angle is adjusted, the bolt 36 is twisted to fix it, thereby improving the stability of the pile body 1 .

[0030] The following is a detailed description of the working principle of this prefabricated and assembled foundation pit support structure.

[0031] like Figure 1-4 As shown, when in use, by pushing the slide bar 22, the slide bar 22 moves to the left, and the right side of the slot 27 at the top and bottom of the slide bar 22 will drive the block 28 and the support rod 26 to descend and shrink into the inner wall of the groove 24. At the same time, the spring 211 is compressed, and the sleeve 21 passes through the pile body 1 and the support plate 32. The slide bar 22 is loosened, and the spring 211 drives the slide bar 22 to move to the right, and the support rod 26 is extended. The knob is twisted and rotated until it completely rests against the pile body 1 and the support plate 31, so that the pile body 1 is quickly fixed and the work efficiency is improved. The angle of the diagonal support 35 is adjusted by twisting the bolt 36. After the angle is adjusted, the bolt 36 is twisted to fix it, thereby improving the stability of the pile body 1.

Claims

1. A prefabricated foundation pit support structure, comprising a pile body (1), characterized in that: The pile body (1) is provided with a fixing device (2); The fixing device (2) comprises a sleeve (21), the sleeve (21) is fixedly passed through the left side of the pile body (1), a groove (24) is provided at the top of the sleeve (21), a support rod (26) is hingedly connected to the front of the groove (24) through a hinge rod (25), a sliding rod (22) is slidably connected to the inner wall of the sleeve (21), a clamping groove (27) is provided at the top of the sliding rod (22), a clamping block (28) is fixedly connected to the bottom of the support rod (26), a sliding groove (29) is provided at the left side of the inner wall of the sleeve (21), a limiting rod (210) is fixedly connected to the left side of the sliding rod (22), and a spring (211) is movably sleeved on the outer wall of the limiting rod (210).

2. The prefabricated foundation pit support structure according to claim 1, characterized in that: The outer wall of the sleeve (21) is provided with a thread groove (23), and the outer wall of the thread groove (23) is threadedly connected with a knob.

3. The prefabricated foundation pit support structure according to claim 1, characterized in that: The two ends of the spring (211) are respectively fixedly connected to the left side of the inner wall of the slide groove (29) and the left side of the slide rod (22).

4. The prefabricated foundation pit support structure according to claim 1, characterized in that: A support device (3) is provided on the pile body (1), and the support device (3) comprises a support plate (31). The support plate (31) is provided on the pile body (1), and a support plate (32) is fixedly connected to the bottom of the support plate (31).

5. The prefabricated foundation pit support structure according to claim 1, characterized in that: A connecting plate (33) is fixedly connected to the right side of the pile body (1), a fixing block (34) is fixedly connected to the right side of the connecting plate (33), and a diagonal brace (35) is installed on the fixing block (34) via bolts (36).

6. The prefabricated foundation pit support structure according to claim 5, characterized in that: There are four diagonal braces (35) in total.

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