Trestle drainage structure for large foundation pit

Abstract

The trestle drainage structure for the large foundation pit comprises a trestle body, the upper end of a supporting base plate is fixedly connected with the lower end of a positioning splicing insertion groove, a threaded installation groove is formed in the upper end of an anti-collision wall, a threaded installation block is installed on the inner wall of the threaded installation groove in an inserted mode, and a handle is fixedly connected to the upper end of the side face of the threaded installation block. A rotating shaft is mounted at the upper end of the threaded mounting block, a guardrail is mounted at the upper end of the rotating shaft, and a combined mounting block is fixedly connected to one side of the guardrail. According to the trestle drainage structure for the large foundation pit, accumulated water can be rapidly guided into the overhanging type water collecting pit to be collected through the water guiding grooves, the water collecting open channels, the drainage concealed pipes and the flow guiding grooves, water is prevented from entering the foundation pit, and the anti-collision walls and the guardrails are used for flow guiding and protection; and the overhanging type sump can be rapidly positioned, disassembled and assembled through the positioning splicing insertion blocks and the positioning splicing insertion grooves, rapid replacement is facilitated, the water guide grooves and the flow guide grooves which are distributed in parallel play an anti-skid role, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of large foundation pit drainage, in particular to a trestle drainage structure for a large foundation pit. Background Art

[0002] In the construction of building projects, foundation pit drainage construction technology is the focus of foundation engineering. This technology mainly refers to the scientific and reasonable setting of drainage system before excavating the foundation pit, so that the accumulated water around the foundation pit can be smoothly drained out of the foundation pit.

[0003] For projects with small available area in the construction site and mainly relying on the trestle system for transportation, in order to save costs, the trestle system is generally level with the ground or lower than the ground. The trestle boards can easily form natural water reservoirs, causing water accumulation on the trestle boards, which brings problems to civilized construction and safe production on site.

[0004] The existing trestle board has a large area, and it is very difficult to manually clean the accumulated water on the trestle board. The accumulated water on the trestle board is easy to flow directly from the side of the trestle to the foundation pit, causing difficulties for subsequent foundation pit excavation, and greatly affecting the bearing capacity of the foundation at the bottom of the foundation pit and the stability of the foundation pit, bringing safety hazards to the foundation pit excavation, so a trestle drainage structure for a large foundation pit is needed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a trestle drainage structure for a large foundation pit, so as to solve the problem mentioned in the above background technology that the trestle board area is large, it is very difficult to manually clean the accumulated water on the trestle board, the accumulated water on the trestle board is easy to flow directly from the side of the trestle to the foundation pit, causing difficulties for subsequent foundation pit excavation, and greatly affecting the bearing capacity of the foundation at the bottom of the foundation pit and the stability of the foundation pit, bringing safety hazards to the foundation pit excavation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a trestle drainage structure for a large foundation pit, comprising a trestle body, the lower end of the trestle body is fixedly connected to the trestle board bottom beam, and the upper edge of the trestle body is fixedly connected to the anti-collision wall, the upper end of the trestle body is provided with a water guide groove, and the lower end of the inner wall of the water guide groove is fixedly connected to the guide groove, the upper edge of the trestle body is provided with a water collection channel, and one side of the water collection channel is connected to the water guide groove, the other side of the water collection channel is connected to a drainage concealed pipe, and one end of the drainage concealed pipe is connected to a cantilevered water collection pit, and the front and rear side edges of the cantilevered water collection pit are fixedly connected There is a positioning splicing plug-in block, and the positioning splicing plug-in block is plugged and installed with the positioning splicing slot, the positioning splicing slot is fixed to one side of the bottom beam of the trestle plate, and the lower end of one side of the bottom beam of the trestle plate is fixedly connected with a supporting pad, the upper end of the supporting pad is fixedly connected with the lower end of the positioning splicing slot, the upper end of the anti-collision wall is provided with a threaded mounting groove, and the inner wall of the threaded mounting groove is plugged and installed with a threaded mounting block, the upper end of the side surface of the threaded mounting block is fixedly connected with a handle, and a rotating shaft is installed on the upper end of the threaded mounting block, a guardrail is installed on the upper end of the rotating shaft, and a combined mounting block is fixedly connected to one side of the guardrail, and a combined mounting groove is provided on the other side of the guardrail.

[0007] Preferably, the cantilevered sump is installed by positioning and splicing the positioning and splicing plug-in block with the supporting pad in the positioning and splicing slot.

[0008] Preferably, the water guide trough and the flow guide trough are distributed in parallel positions on the trestle body, and the flow guide trough is distributed in symmetrical inclined positions on the inner wall of the water guide trough, and the water guide trough is connected with the water collection open channel through the flow guide trough.

[0009] Preferably, the guardrail is installed in a spiral manner with the crash barrier in a threaded mounting groove through a threaded mounting block.

[0010] Preferably, the guardrails are installed by inserting and splicing in combined installation grooves through combined installation blocks.

[0011] Preferably, the water collection channel is an arc-shaped groove structure, and the length of the water collection channel matches the length of the pier body, the crash barrier is a trapezoidal structure, and one side of the lower end of the crash barrier is flush with one side of the upper end of the water collection channel, and the water collection channel is obliquely connected to the cantilevered water collection pit through a drainage concealed pipe.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the trestle drainage structure for a large foundation pit can quickly divert accumulated water into a cantilevered sump for collection through water guide grooves, open water collection channels, concealed drainage pipes and diversion grooves, thereby preventing water from entering the foundation pit; and anti-collision walls and guardrails provide diversion and protection; and the cantilevered sump can be quickly positioned and disassembled by positioning splicing blocks and positioning splicing slots, which is convenient and quick to replace; and the parallelly distributed water guide grooves and diversion grooves play an anti-slip role, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a top view of a trestle drainage structure for a large foundation pit of the utility model;

[0014] Figure 2 It is a side cross-sectional view of a trestle drainage structure for a large foundation pit of the utility model;

[0015] Figure 3 This is a top view cross-sectional view of a trestle drainage structure guardrail for a large foundation pit of the utility model;

[0016] Figure 4 This utility model is a trestle drainage structure for a large foundation pit Figure 2 Enlarged view of point A in the middle;

[0017] Figure 5 This utility model is a trestle drainage structure for a large foundation pit Figure 2 Enlarged view of point B in the middle;

[0018] Figure 6 This utility model is a trestle drainage structure for a large foundation pit Figure 2 Enlarged view of point C in the middle;

[0019] Figure 7 This utility model is a trestle drainage structure for a large foundation pit Figure 3 Enlarged view of point D in the middle.

[0020] In the figure: 1. trestle body, 2. crash barrier, 3. cantilevered sump, 4. water guide trough, 5. guardrail, 6. support pad, 7. trestle board bottom beam, 8. water collection open channel, 9. drainage concealed pipe, 10. guide trough, 11. rotating shaft, 12. threaded mounting block, 13. threaded mounting groove, 14. handle, 15. positioning splicing plug-in block, 16. positioning splicing slot, 17. combination mounting block, 18. combination mounting groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-7The utility model provides a technical solution: a trestle drainage structure for a large foundation pit, including a trestle body 1, a crash wall 2, a cantilevered water collection pit 3, a water guide 4, a guardrail 5, a support pad 6, a trestle bottom beam 7, a water collection open channel 8, a drainage concealed pipe 9, a guide trough 10, a rotating shaft 11, a threaded mounting block 12, a threaded mounting groove 13, a handle 14, a positioning splicing plug-in block 15, a positioning splicing slot 16, a combined mounting block 17 and a combined mounting groove 18, and the lower end of the trestle body 1 is fixedly connected with a stack A bridge deck bottom beam 7 is provided, and a crash barrier 2 is fixedly connected to the upper edge of the trestle body 1. A water guide groove 4 is provided at the upper end of the trestle body 1, and a flow guide groove 10 is fixedly connected to the lower end of the inner wall of the water guide groove 4. The water guide groove 4 and the flow guide groove 10 are distributed in parallel positions on the trestle body 1, and the flow guide groove 10 is distributed in a symmetrical inclined position on the inner wall of the water guide groove 4. The water guide groove 4 is connected to the water collection open channel 8 through the flow guide groove 10, so that the water guide groove 4 and the flow guide groove 10 can quickly guide water and can play an anti-skid role.

[0023] An open water collecting channel 8 is provided at the upper edge of the pier body 1, and one side of the open water collecting channel 8 is connected with the water guide trough 4. The open water collecting channel 8 is an arc-shaped groove structure, and the length of the open water collecting channel 8 matches the length of the pier body 1. The crash barrier 2 is a trapezoidal structure, and one side of the lower end of the crash barrier 2 is flush with one side of the upper end of the open water collecting channel 8. The open water collecting channel 8 is obliquely connected to the cantilevered water collecting pit 3 through a drainage concealed pipe 9, so that the open water collecting channel 8 can be diverted through the crash barrier 2, and the water diversion effect is better.

[0024] A drainage concealed pipe 9 is installed on the other side of the water collection open channel 8, and a cantilevered water collection pit 3 is installed on one end of the drainage concealed pipe 9. The cantilevered water collection pit 3 is installed in a positioning and splicing manner with the support pad 6 in the positioning and splicing slot 16 through a positioning and splicing plug-in block 15, so that the cantilevered water collection pit 3 is convenient and quick to disassemble, replace and use.

[0025] The front and rear side edges of the cantilevered sump 3 are fixedly connected with positioning splicing blocks 15, and the positioning splicing blocks 15 are installed in conjunction with the positioning splicing slots 16, the positioning splicing slots 16 are fixed to one side of the trestle board bottom beam 7, and the lower end of one side of the trestle board bottom beam 7 is fixedly connected with a supporting pad 6, the upper end of the supporting pad 6 is fixedly connected with the lower end of the positioning splicing slots 16, a threaded mounting groove 13 is provided at the upper end of the anti-collision wall 2, and a threaded mounting block 12 is installed in the inner wall of the threaded mounting groove 13, a handle 14 is fixedly connected to the upper end of the side of the threaded mounting block 12, and a rotating shaft 11 is installed at the upper end of the threaded mounting block 12, a guardrail 5 is installed at the upper end of the rotating shaft 11, and a combined mounting block 17 is fixedly connected to one side of the guardrail 5, the guardrail 5 is spirally spliced ​​and installed with the anti-collision wall 2 in the threaded mounting groove 13 through the threaded mounting block 12, so that the guardrail 5 can be easily and quickly disassembled and assembled, and can be easily replaced and used independently.

[0026] The guardrails 5 are installed by inserting and splicing in the combined installation grooves 18 through the combined installation blocks 17, so that the guardrails 5 are convenient for auxiliary reinforcement and stable installation. The other side of the guardrail 5 is provided with a combined installation groove 18.

[0027] Working principle: When using the trestle drainage structure for a large foundation pit, first, the cantilevered sump 3 of the device is positioned, plugged and spliced ​​with the support pad 6 through the positioning splicing plug-in block 15 and the positioning splicing slot 16, and then when it rains, water can be introduced into the water collection open channel 8 through the crash barrier 2, the water guide 4 and the guide trough 10, and then the water is introduced into the cantilevered sump 3 for collection through the drainage concealed pipe 9. When replacement is required, the cantilevered sump 3 can be quickly disassembled and assembled, and when the guardrail 5 is partially damaged, it can be removed by rotating the threaded mounting block 12 through the rotating shaft 11, and then assembled and quickly replaced through the combined mounting block 17 and the combined mounting slot 18. This is the use process of the trestle drainage structure for a large foundation pit.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A trestle drainage structure for a large foundation pit, comprising a trestle body (1), wherein the lower end of the trestle body (1) is fixedly connected to a trestle board bottom beam (7), and the upper edge of the trestle body (1) is fixedly connected to a crash wall (2), characterized in that: The upper end of the trestle body (1) is provided with a water guide groove (4), and the lower end of the inner wall of the water guide groove (4) is fixedly connected to a guide groove (10); the upper edge of the trestle body (1) is provided with a water collection open channel (8), and one side of the water collection open channel (8) is connected to the water guide groove (4); the other side of the water collection open channel (8) is connected to a drainage concealed pipe (9), and one end of the drainage concealed pipe (9) is connected to a cantilevered water collection pit (3); the front and rear side edges of the cantilevered water collection pit (3) are fixedly connected with a positioning splicing plug-in block (15), and the positioning splicing plug-in block (15) is installed by plugging with a positioning splicing slot (16), and the positioning splicing slot (16) is fixed to the bottom beam (7) of the trestle plate. ) on one side, and a support pad (6) is fixedly connected to the lower end of one side of the trestle board bottom beam (7), the upper end of the support pad (6) is fixedly connected to the lower end of the positioning splicing slot (16), the upper end of the anti-collision wall (2) is provided with a threaded mounting groove (13), and the inner wall of the threaded mounting groove (13) is plugged and installed with a threaded mounting block (12), the upper end of the side of the threaded mounting block (12) is fixedly connected with a handle (14), and the upper end of the threaded mounting block (12) is installed with a rotating shaft (11), the upper end of the rotating shaft (11) is installed with a guardrail (5), and one side of the guardrail (5) is fixedly connected with a combined mounting block (17), and the other side of the guardrail (5) is provided with a combined mounting groove (18).

2. A trestle drainage structure for a large foundation pit according to claim 1, characterized in that: The cantilevered sump (3) is installed in a positioning splicing slot (16) by means of a positioning splicing plug block (15) and a supporting pad (6).

3. A trestle drainage structure for a large foundation pit according to claim 2, characterized in that: The water guide groove (4) and the flow guide groove (10) are distributed in parallel positions on the trestle body (1), and the flow guide groove (10) is distributed in a symmetrically inclined position on the inner wall of the water guide groove (4). The water guide groove (4) is connected to the water collection open channel (8) through the flow guide groove (10).

4. A trestle drainage structure for a large foundation pit according to claim 3, characterized in that: The guardrail (5) is installed in a spiral manner with the anti-collision wall (2) in the threaded installation groove (13) through the threaded installation block (12).

5. A trestle drainage structure for a large foundation pit according to claim 4, characterized in that: The guardrails (5) are installed by inserting and splicing in the combined installation grooves (18) via combined installation blocks (17).

6. A trestle drainage structure for a large foundation pit according to claim 5, characterized in that: The water collection open channel (8) is an arc-shaped groove structure, and the length of the water collection open channel (8) matches the length of the trestle body (1). The anti-collision wall (2) is a trapezoidal structure, and the lower end of the anti-collision wall (2) is flush with the upper end of the water collection open channel (8). The water collection open channel (8) is connected to the cantilevered water collection pit (3) in an inclined manner through a drainage concealed pipe (9).

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