Pipe jacking pit supporting device

Abstract

The utility model discloses a pipe jacking pit supporting device which comprises four sets of supporting assemblies, each supporting assembly comprises a supporting plate and a plurality of supporting piles, the supporting device further comprises a rectangular limiting frame, a supporting block is horizontally arranged in the middle of the side, away from the corresponding supporting plate, of each supporting pile, and the supporting plates are arranged on the supporting blocks. The multiple supporting blocks are located on the same horizontal plane, a receding notch is formed in the upper surface of each supporting block, and the limiting frame can be tightly clamped into each receding notch. According to the utility model, the four groups of supporting assemblies can be ensured to form a stable rectangular supporting structure so as to improve the supporting effect, and meanwhile, the supporting plate can be repeatedly used so as to improve the resource utilization efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a supporting device field, especially in a pipe pit supporting device. BACKGROUND

[0002] Pipe jacking construction is a trenchless construction method, which is a pipe laying construction technology without or with less excavation. A pipe pit, also known as a pipe jacking working pit, is a temporary facility at the starting point, ending point, and turning point of pipe jacking construction. The pipe pit is equipped with guide rails, backrests, back walls, jacks, and other equipment.

[0003] After the pipe pit is excavated, a supporting device is needed to support the inner side wall of the pipe pit. The supporting device in the related art generally includes four supporting assemblies, and the four supporting assemblies form a rectangular supporting structure. Each supporting assembly includes a supporting plate and a plurality of supporting piles. The outer side surface of the supporting plate is in close abutment with the corresponding inner wall of the pipe pit. The plurality of supporting piles are fixed to the inner side surface of the corresponding supporting plate, and the bottoms of the plurality of supporting piles are respectively nailed into the pit bottom of the pipe pit.

[0004] However, there is a lack of connecting structure between the two adjacent supporting assemblies, making it difficult for the four supporting assemblies to form a stable rectangular supporting structure, thereby affecting the supporting effect. If the two adjacent supporting plates are welded and fixed to make the four supporting assemblies form a stable rectangular supporting structure, the supporting plates cannot be reused, resulting in resource waste, which needs to be improved. SUMMARY

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a pipe pit supporting device that can ensure that the four supporting assemblies form a stable rectangular supporting structure to improve the supporting effect, while ensuring that the supporting plates can be reused to improve resource utilization efficiency.

[0006] The above technical purpose of the utility model is achieved by the following technical scheme: a pipe pit supporting device includes four supporting assemblies. Each supporting assembly includes a supporting plate and a plurality of supporting piles. The supporting device further includes a rectangular limiting frame. Each supporting pile is provided with a support block at the middle position away from the corresponding supporting plate. The support blocks are located on the same horizontal plane. Each support block is provided with a gap. The limiting frame can be tightly clamped into each gap.

[0007] In a preferred example, the limiting frame and each support block are connected by a fastening screw.

[0008] In a preferred example, a pair of lifting rings are symmetrically arranged on the limiting frame.

[0009] The utility model discloses in a preferable example can be further configured as: four corners positions of the inside wall of the limiting frame are provided with reinforcing rod respectively, and both ends of each reinforcing rod are respectively welded and fixed with the corresponding inner wall of the limiting frame.

[0010] The utility model discloses in a preferable example can be further configured as: each support block is long cuboid structure respectively, and each support block's top side wall and bottom side wall are welded and fixed with a pair of reinforcing rib respectively, and each reinforcing rib is welded and fixed with the corresponding support pile respectively.

[0011] The utility model discloses in a preferable example can be further configured as: each support pile is connected through multiple sets of limiting bolt with the corresponding support plate.

[0012] Summarized above, the utility model has at least the following beneficial effects:

[0013] The limiting frame and the support block on each support pile form clamping cooperation respectively, so that the limiting frame can support and limit four groups of support assemblies, and four groups of support assemblies form stable rectangular support structure, thereby guaranteeing support effect, meanwhile, the limiting frame can be disassembled, and the adjacent two support plates do not need to be welded, so as to guarantee that the support plate can be repeatedly used, thereby improving resource utilization efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of example;

[0015] Figure 2 It is the structure schematic diagram of example;

[0016] Figure 3 It is the structure schematic diagram of support assembly in example;

[0017] Figure 4 It is the structure schematic diagram of limiting frame in example.

[0018] Fig. 1, support assembly;11, support plate;12, support pile;2, limiting frame;3, support block;4, give way gap;5, fastening screw;6, hoist ring;7, reinforcing rod;8, reinforcing rib;9, limiting bolt. DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail in connection with the drawings.

[0020] Refer to Figure 1 , Figure 2A pipe jacking pit supporting device, comprising four groups of supporting assemblies 1, and the four groups of supporting assemblies 1 can form a rectangular supporting structure. Each group of supporting assemblies 1 respectively comprises a supporting plate 11 and a plurality of supporting piles 12, the supporting piles 12 are arranged on the inner side surface of the supporting plate 11, and the outer side surface of the supporting plate 11 can be tightly abutted with the corresponding inner wall of the pipe jacking pit.

[0021] With reference to Figure 2 , Figure 3 , the supporting device further comprises a rectangular limiting frame 2, and each supporting pile 12 is respectively horizontally fixedly connected with a supporting block 3 at the middle position away from the corresponding side of the supporting plate 11, and the plurality of supporting blocks 3 are located on the same horizontal plane. Meanwhile, the upper surface of each supporting block 3 is respectively provided with a let-in notch 4, and the limiting frame 2 can be tightly clamped into each let-in notch 4.

[0022] Since the limiting frame 2 can be respectively clamped and matched with the supporting blocks 3 on each supporting pile 12, the limiting frame 2 can support and limit the four groups of supporting assemblies 1, so that the four groups of supporting assemblies 1 form a stable rectangular supporting structure, thereby ensuring the supporting effect. Meanwhile, the limiting frame 2 can be disassembled, and the adjacent two supporting plates 11 do not need to be welded, so as to ensure that the supporting plate 11 can be repeatedly used, thereby improving the resource utilization efficiency.

[0023] With reference to Figure 2 , Figure 3 , the limiting frame 2 and each supporting block 3 are connected through a fastening screw 5, so as to improve the connection stability between the limiting frame 2 and the supporting block 3, thereby ensuring the supporting and limiting effect of the limiting frame 2 on the four groups of supporting assemblies 1. Meanwhile, a pair of lifting rings 6 are symmetrically fixedly connected on the limiting frame 2, so that the workers can hoist and transport the limiting frame 2 through the hoisting device, thereby improving the operation convenience.

[0024] With reference to Figure 2 , Figure 4 , the four corner positions of the inner side wall of the limiting frame 2 are respectively provided with a reinforcing rod 7, and the two ends of each reinforcing rod 7 are respectively welded and fixed with the corresponding inner wall of the limiting frame 2, so as to improve the structural strength of the limiting frame 2, thereby ensuring the supporting and limiting effect of the limiting frame 2 on the four groups of supporting assemblies 1.

[0025] With reference to Figure 3 , each supporting block 3 respectively has a cuboid structure, and a pair of reinforcing rib plates 8 are respectively welded and fixed on the top side wall and the bottom side wall of each supporting block 3, and each reinforcing rib plate 8 is respectively welded and fixed with the corresponding supporting pile 12, so as to improve the connection stability between the supporting block 3 and the corresponding supporting pile 12, thereby improving the structural strength of the supporting block 3.

[0026] With reference to Figure 3Each support pile 12 is connected with the corresponding support plate 11 through a plurality of limiting bolts 9, that is, the support pile 12 is detachably connected with the corresponding support plate 11, thereby facilitating the individual transportation, storage and production of the support pile 12 and the support plate 11 by the staff.

[0027] The specific embodiments are only an interpretation of the utility model, and are not a limitation of the utility model. Those skilled in the art can make modifications to the embodiments without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the utility model, they are protected by the patent law.

Claims

1. A pipe jacking pit support device, comprising four groups of support assemblies (1), each group of the support assemblies (1) respectively comprising a support plate (11) and a plurality of support piles (12), characterized in that: The supporting device further comprises a rectangular limiting frame (2), the middle part of each supporting pile (12) away from the side of the corresponding supporting plate (11) is respectively provided with a supporting block (3) arranged horizontally, and a plurality of supporting blocks (3) are located in the same horizontal plane, the upper surface of each supporting block (3) is respectively provided with a let-in notch (4), and the limiting frame (2) can be tightly clamped into each let-in notch (4).

2. A jacking pit support device according to claim 1, wherein: The limiting frame (2) and each supporting block (3) are connected by a fastening screw (5) respectively.

3. A jacking pit support device according to claim 1, wherein: A pair of lifting rings (6) are symmetrically arranged on the limiting frame (2).

4. A jacking pit support device according to claim 1, wherein: The four corners of the inner wall of the limiting frame (2) are respectively provided with a reinforcing rod (7), and the two ends of each reinforcing rod (7) are respectively welded and fixed with the corresponding inner wall of the limiting frame (2).

5. A jacking pit support device according to claim 1, wherein: Each supporting block (3) is respectively in a cuboid structure, a pair of reinforcing rib plates (8) are respectively welded and fixed on the top side wall and the bottom side wall of each supporting block (3), and each reinforcing rib plate (8) is respectively welded and fixed with the corresponding supporting pile (12).

6. A jacking pit support device according to claim 1, wherein: Each supporting pile (12) is connected with the corresponding supporting plate (11) by a plurality of limiting bolts (9).

Images