Foundation pit support with drainage function

Abstract

The utility model relates to the technical field of foundation pit supports, and provides a foundation pit support with a drainage function, which comprises a foundation pit body, a drainage groove is arranged at the bottom of the foundation pit body along the circumferential direction of the foundation pit body, a water collecting groove is arranged at the bottom of the drainage groove, and a filter screen box is arranged in the water collecting groove. A high-density filter net box is arranged in the filter net box, and a hollow net box is arranged in the high-density filter net box; water in the water collecting tank is pumped out through a water pump in the water pumping mechanism, large-particle impurities in the water are filtered and intercepted through a filter screen box while water pumping is conducted, and small-particle impurities in the water are filtered and intercepted through a high-density filter screen box; and meanwhile, impurities in the water can be further filtered by utilizing pores and gaps in the quartz sand filter material, so that the purpose of filtering the water during drainage is achieved, and the problem that the impurities in the water block a pipeline or damage equipment such as a water pump is effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit supports, and specifically to a foundation pit support with a drainage function. Background Art

[0002] Foundation pit support is a measure to support, reinforce and protect 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. In the foundation pit construction project, the aquifer is above the bottom of the trench. Therefore, after the earthwork is excavated to the bottom of the trench, hanging water may form on the slope wall and flow into the foundation pit.

[0003] Known Chinese publicly authorized patent: (publication number: CN201922246586.0) discloses a foundation pit support mechanism that is convenient for drainage, including a foundation pit support plate and a water collecting trough, the outer wall of the foundation pit support plate is provided with a plurality of anchor holes, and anchor rods are inserted in the anchor holes, the foundation pit support plate is fastened to the foundation pit wall by the anchor rods, the bottom of the foundation pit support plate is provided with a plurality of insertion holes, the bottom of the water collecting trough is vertically connected with a plurality of anchor rods and inserted into the bottom of the foundation pit, the upper end surface of the water collecting trough is covered with a second mesh plate, and the upper end surface of the second mesh plate is provided with a water seepage mechanism, the water seepage mechanism includes a water seepage mesh groove, and the inner cavity of the water seepage mesh groove is fixedly installed with reinforcing ribs. The foundation pit support mechanism that is convenient for drainage realizes the function of drainage and effectively avoids the hanging water formed on the foundation pit wall from flowing into the foundation pit. Compared with the existing foundation pit support structure, it has the advantages of reasonable structural design, simple installation, and excellent water guide and drainage functions.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned foundation pit support mechanism that is easy to drain has the following problems: during the use of the existing technology, it is difficult to filter water during the drainage process, and the unfiltered drainage may carry a large amount of soil particles, which will not only cause waste of resources, but may also clog the drainage pipes or damage equipment such as water pumps, increasing maintenance costs. Therefore, a foundation pit support with drainage function is proposed. Utility Model Content

[0005] The utility model proposes a foundation pit support with drainage function, which solves the problem in the related technology that it is difficult to filter water during the drainage process. Unfiltered drainage may carry a large amount of soil particles, which not only causes waste of resources, but may also block drainage pipes or damage equipment such as water pumps, thereby increasing maintenance costs.

[0006] The technical solution of the utility model is as follows: a foundation pit support with drainage function, comprising: a foundation pit body, a drainage groove is provided at the bottom of the foundation pit body along its circumference, a water collecting groove is provided at the bottom of the drainage groove, a filter box is provided inside the water collecting groove, and a high-density filter box is provided inside the filter box;

[0007] A hollow mesh box is arranged inside the high-density filter mesh box, and the hollow position of the hollow mesh box is filled with quartz sand filter material. A connecting mechanism is arranged on the top of the filter mesh box, and a pumping mechanism is arranged on the top of the foundation pit body. The pumping mechanism is connected to the connecting mechanism, and a supporting mechanism is arranged on the inner wall of the foundation pit body.

[0008] Preferably, the supporting mechanism comprises a plurality of groups of steel bars fixedly mounted on the inner wall of the foundation pit body, and the plurality of groups of steel bars are in a grid shape.

[0009] Preferably, transverse steel bars are fixedly installed on the inner wall of the foundation pit body, and the transverse steel bars are located in front of the multiple groups of steel bars. Fine stone concrete is sprayed on the inner wall of the foundation pit body.

[0010] Preferably, the connecting mechanism comprises a connecting pipe fixedly mounted on the top of the filter mesh box, and the bottom end of the connecting pipe extends to the interior of the hollow mesh box.

[0011] Preferably, a first external thread is formed at the top end of the outer side wall of the connecting pipe, and a threaded sleeve is threadedly connected to the first external thread.

[0012] Preferably, the pumping mechanism includes a water pump fixedly installed on the top of the foundation pit body 1, the input end of the water pump is fixedly connected to a water pipe, the bottom end of the outer side wall of the water pipe is provided with a second external thread, and the second external thread is threadedly connected to the threaded sleeve.

[0013] Preferably, two mounting plates are fixedly mounted on the top of the foundation pit body, the two mounting plates are located on both sides of the water pump, and protective covers are fixedly mounted on the top ends of the two mounting plates.

[0014] The working principle and beneficial effects of the utility model are:

[0015] The water in the sump is pumped out by the water pump in the pumping mechanism, and the large particles of impurities in the water are filtered and intercepted through the filter box while the water is pumped, and the small particles of impurities in the water are filtered and intercepted through the high-density filter box. At the same time, the pores and gaps inside the quartz sand filter material can be used to further filter the impurities in the water, thereby achieving the purpose of filtering the water during drainage, and effectively preventing the impurities in the water from clogging the pipes or damaging the equipment such as the water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall side-view stereoscopic structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional three-dimensional structure of the drainage trough of the utility model;

[0020] Figure 4 It is a schematic diagram of the cutaway three-dimensional structure of the inner wall of the foundation pit body of the utility model;

[0021] Figure 5 This is a schematic diagram of the cross-sectional three-dimensional structure of the fine stone concrete of the utility model;

[0022] Figure 6 For this utility model Figure 3 A in the figure is an enlarged schematic diagram of the three-dimensional structure.

[0023] In the figure: 1. foundation pit body; 2. drainage trough; 3. water collection trough; 4. filter mesh box; 5. high-density filter mesh box; 6. hollow mesh box; 7. quartz sand filter material; 8. connecting mechanism; 9. pumping mechanism; 10. supporting mechanism; 11. mounting plate; 12. protective cover; 80. connecting pipe; 81. first external thread; 82. threaded sleeve; 90. water pump; 91. water pipe; 92. second external thread; 100. steel bar; 101. transverse steel bar; 102. fine stone concrete. DETAILED DESCRIPTION

[0024] The following will be combined with 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 of 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.

[0025] Embodiment 1

[0026] See also Figure 1 - Figure 6 A foundation pit support with drainage function, comprising: a foundation pit body 1, a drainage groove 2 is provided at the bottom of the foundation pit body 1 along its circumference, a water collection groove 3 is provided at the bottom of the drainage groove 2, a filter box 4 is provided inside the water collection groove 3, and a high-density filter box 5 is provided inside the filter box 4;

[0027] A hollow mesh box 6 is arranged inside the high-density filter mesh box 5, and the hollow position of the hollow mesh box 6 is filled with quartz sand filter material 7. A connecting mechanism 8 is arranged on the top of the filter mesh box 4, and a pumping mechanism 9 is arranged on the top of the foundation pit body 1, and the pumping mechanism 9 is connected to the connecting mechanism 8.

[0028] The technical scheme provided by the utility model is that the water inside the water collection tank 3 is pumped out by the water pump 90 in the pumping mechanism 9, and the large particles of impurities in the water are filtered and intercepted by the filter box 4 while the water is pumped, and the small particles of impurities in the water are filtered and intercepted by the high-density filter box 5, and the pores and gaps inside the quartz sand filter material 7 can be used to further filter the impurities in the water, thereby achieving the purpose of filtering the water during drainage, and effectively preventing the impurities in the water from clogging the pipes or damaging the equipment such as the water pump 90.

[0029] Furthermore, the connecting mechanism 8 includes a connecting pipe 80 fixedly installed on the top of the filter screen box 4, the bottom end of the connecting pipe 80 extends to the interior of the hollow screen box 6, the top end of the outer wall of the connecting pipe 80 is provided with a first external thread 81, and the first external thread 81 is threadedly connected with a threaded sleeve 82. The pumping mechanism 9 includes a water pump 90 fixedly installed on the top of the foundation pit body 1, the input end of the water pump 90 is fixedly connected with a water pipe 91, and the bottom end of the outer wall of the water pipe 91 is provided with a second external thread 92, and the second external thread 92 is threadedly connected to the threaded sleeve 82.

[0030] Specifically, the water inside the sump 3 is pumped out by starting the water pump 90, and outputted through the connecting pipe 80 and the water pipe 91. The threaded sleeve 82 is rotated counterclockwise to rotate on the second external thread 92 and then rotated to the first external thread 81. At this time, the connecting pipe 80 is separated from the water pipe 91, and the filter box 4 and the internal filter assembly can be taken out from the sump 3 for cleaning.

[0031] Furthermore, two mounting plates 11 are fixedly installed on the top of the foundation pit body 1 . The two mounting plates 11 are located on both sides of the water pump 90 . A protective cover 12 is fixedly installed on the top of the two mounting plates 11 .

[0032] Specifically, the mounting plate 11 is used to support and install the protective cover 12 , and the protective cover 12 is used to protect the water pump 90 .

[0033] Embodiment 2

[0034] Based on Example 1, in this embodiment: a support mechanism 10 is provided on the inner wall of the foundation pit body 1, and the support mechanism 10 includes multiple groups of steel bars 100 fixedly installed on the inner wall of the foundation pit body 1, and the multiple groups of steel bars 100 are in a grid shape. Transverse steel bars 101 are fixedly installed on the inner wall of the foundation pit body 1, and the transverse steel bars 101 are located on the front side of the multiple groups of steel bars 100. The inner wall of the foundation pit body 1 is sprayed with fine stone concrete 102.

[0035] The technical solution provided in this embodiment is: multiple groups of steel bars 100 are distributed on the inner wall of the foundation pit body 1 to support the foundation pit body 1. At the same time, the multiple groups of steel bars 100 are in a grid shape, which effectively improves the stability of the entire support structure. The transverse steel bars 101 are used to fix the steel bars 100, and the sprayed fine stone concrete 102 is used to reinforce the support.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A foundation pit support with drainage function, characterized in that: include: A foundation pit body (1), wherein a drainage groove (2) is provided at the bottom of the foundation pit body (1) along its circumference, a water collecting groove (3) is provided at the bottom of the drainage groove (2), a filter screen box (4) is provided inside the water collecting groove (3), and a high-density filter screen box (5) is provided inside the filter screen box (4); A hollow mesh box (6) is arranged inside the high-density filter mesh box (5), and the hollow position of the hollow mesh box (6) is filled with quartz sand filter material (7). A connecting mechanism (8) is arranged on the top of the filter mesh box (4), and a pumping mechanism (9) is arranged on the top of the foundation pit body (1), and the pumping mechanism (9) is connected to the connecting mechanism (8). A supporting mechanism (10) is arranged on the inner wall of the foundation pit body (1).

2. The foundation pit support with drainage function according to claim 1, characterized in that: The support mechanism (10) comprises a plurality of groups of steel bars (100) fixedly mounted on the inner wall of the foundation pit body (1), and the plurality of groups of steel bars (100) are in a grid shape.

3. The foundation pit support with drainage function according to claim 2, characterized in that: The inner wall of the foundation pit body (1) is fixedly mounted with transverse steel bars (101), the transverse steel bars (101) being located in front of the plurality of groups of steel bars (100), and the inner wall of the foundation pit body (1) is sprayed with fine stone concrete (102).

4. The foundation pit support with drainage function according to claim 1, characterized in that: The connecting mechanism (8) comprises a connecting pipe (80) fixedly mounted on the top of the filter mesh box (4), and the bottom end of the connecting pipe (80) extends to the interior of the hollow mesh box (6).

5. The foundation pit support with drainage function according to claim 4, characterized in that: A first external thread (81) is formed at the top end of the outer wall of the connecting pipe (80), and a threaded sleeve (82) is threadedly connected to the first external thread (81).

6. The foundation pit support with drainage function according to claim 5, characterized in that: The pumping mechanism (9) comprises a pump (90) fixedly mounted on the top of the foundation pit body (1); an input end of the pump (90) is fixedly connected to a water pipe (91); a second external thread (92) is formed at the bottom end of the outer wall of the water pipe (91); and the second external thread (92) is threadedly connected to the threaded sleeve (82).

7. The foundation pit support with drainage function according to claim 6, characterized in that: Two mounting plates (11) are fixedly mounted on the top of the foundation pit body (1), the two mounting plates (11) are located on both sides of the water pump (90), and a protective cover (12) is fixedly mounted on the top of the two mounting plates (11).

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