Fracture water drainage device for underground structure construction

Abstract

The utility model provides a fissure water drainage device for underground structure construction, which belongs to the technical field of underground construction and comprises drainage tubes, filter screens and a connecting disc, the filter screens are mounted in the drainage tubes, a conical head is fixed at the bottom end of each drainage tube, a fixing structure is arranged on the outer side of each drainage tube, and the connecting disc is fixed at the top end of each drainage tube. According to the utility model, the shielding fins are arranged on the outer side of the filter screen, so that broken stones falling to the filter screen are supported, the broken stones are prevented from being in direct contact with the filter screen, and the filter screen is prevented from being impacted and damaged; and meanwhile, a certain gap exists on the outer side of the filter screen, so that the device can conveniently suck water into the drainage pipe through the filter screen, and effective drainage of crack water is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of underground construction, in particular to a fissure water drainage device for underground structure construction. Background Art

[0002] A fissure water drainage device for underground structure construction is a device specially designed to effectively drain and treat karst fissure water during underground structure construction. The main purpose of the device is to ensure the safety and efficiency of underground construction, and to prevent the impact of flooding on the construction process by effectively controlling and guiding fissure water.

[0003] After searching, the Chinese patent application No. 202223177914.4 discloses a fissure water diversion device in a mine shaft, including a return air shaft, a plurality of water exploration holes are arranged on the wall surface of the return air shaft, an orifice pipe is fixedly installed at the mouth of the water exploration hole, and a diversion pipe is fixedly connected to the end of the orifice pipe. The diversion pipe is arranged along the inner wall of the return air shaft and extends to the outside of the return air shaft. The beneficial effects of the utility model: reasonable structural design, safe and feasible operation, less investment, minimized water seepage range, reduced tunnel water seepage and the softening and mudification speed of rock formations affected by fissure water, extended the stability of rock formations, reduced safety hazards, reduced water seepage in the area and collected and discharged in a centralized manner;

[0004] The above patent still has the following deficiencies: (1) When the device penetrates deep into the rock formation, the rock formation is easily crushed by external pressure and other factors, and the broken rock is easy to contact the drainage pipe, causing blockage or damage to the filter screen, seriously affecting the normal use of the filter screen, making it difficult for water to pass through the drainage device, resulting in poor water flow, affecting the effective drainage of fissure water, and may cause water to accumulate inside the underground structure, increasing the risk of flooding in the construction area;

[0005] (2) It has the defect of being difficult to fix in position. After the device is inserted into the rock formation, it is easily affected by water pressure, which may push the device out from the inside of the rock formation, affecting the normal use of the device and causing safety hazards.

[0006] Therefore, there is an urgent need for a fissure water drainage device for underground structure construction to solve the above problems. Utility Model Content

[0007] The utility model aims to solve the existing problem that broken rocks are easy to contact with the drainage pipe, causing blockage or damage to the filter screen, thus seriously affecting the normal use of the filter screen.

[0008] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0009] A fissure water drainage device for underground structure construction comprises a drainage pipe, a filter screen and a connecting plate, wherein the filter screen is installed inside the drainage pipe, a conical head is fixed to the bottom end of the drainage pipe, a fixing structure is arranged on the outside of the drainage pipe, a connecting plate is fixed to the top end of the drainage pipe, a connecting rod is arranged on the top end of the connecting plate, a connecting structure is arranged on the outside of the connecting plate, and shielding fins are fixed inside the drainage pipe.

[0010] As a preferred technical solution of the present application, the fixing structure includes a rubber sealing plug, a fixing plate, a first bolt, a second bolt and a cover plate. The cover plate is sleeved on the outside of the drainage tube, and a cover plate is inserted inside the top end of the cover plate.

[0011] As a preferred technical solution of the present application, a rubber sealing plug is fixed to the bottom end of the cover plate, fixing plates are fixed to both sides of the bottom end of the cover plate, and a first bolt is inserted into the interior of the fixing plate.

[0012] As a preferred technical solution of the present application, an external thread is provided on the outer side wall of the second bolt, and an internal thread cooperating with the external thread is provided inside the cover plate.

[0013] As a preferred technical solution of the present application, the connection structure includes a fixing frame, a screw, a pressure plate and a rotating seat. The rotating seat is fixed to the bottom end of the connecting disk, and the fixing frame is sleeved on the outer side of the rotating seat.

[0014] As a preferred technical solution of the present application, a screw is inserted into the interior of the top end of the fixing frame, and a pressure plate is connected to the bottom end of the screw.

[0015] As a preferred technical solution of the present application, an external thread is arranged on the outer wall of the screw rod, and an internal thread cooperating with the external thread is arranged inside the fixing frame.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] In the scheme of this application:

[0018] 1. By setting up shielding fins on the outside of the filter, the gravel falling towards the filter is supported, blocking the direct contact between the gravel and the filter, preventing the filter from being damaged by impact. At the same time, due to the presence of a certain gap on the outside of the filter, the device can easily draw water through the filter into the interior of the drainage pipe, ensuring the effective drainage of the fissure water.

[0019] 2. The gap between the drainage pipe and the hole is blocked by pulling the rubber sealing plug to reduce the discharge of water from the hole, the second bolt is turned to fix the position between the cover plate and the drainage pipe, and the first bolt is turned to fix the cover plate on the surface of the rock, which solves the problem of inconvenient position fixing in the prior art, facilitates the position fixing of the device, and makes the device less likely to be squeezed out by external force in the rock formation;

[0020] 3. By pulling the fixing frame to move the pressure plate to the top of the connecting plate, the screw is rotated to make the pressure plate press and fix the two sets of connecting plates, so that the drainage tube is connected to the connecting rod, which solves the problem of inconvenient connection in the prior art, facilitates the quick connection of the device to the drainage pipeline, speeds up the efficiency of device installation, and enhances the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the three-dimensional structure provided for this application;

[0022] Figure 2 A schematic diagram of the front cross-sectional structure provided for this application;

[0023] Figure 3 A schematic diagram of a front cross-sectional structure of a fixed structure provided in this application;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the connection structure provided in this application.

[0025] Markings in the figure: 1. Drainage pipe; 2. Filter screen; 3. Fixed structure; 301. Rubber sealing plug; 302. Fixed plate; 303. First bolt; 304. Second bolt; 305. Cover plate; 4. Connecting rod; 5. Connecting plate; 6. Conical head; 7. Connecting structure; 701. Fixed frame; 702. Screw; 703. Pressing plate; 704. Rotating seat; 8. Shielding fin. DETAILED DESCRIPTION

[0026] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0027] like Figure 1-4 As shown, the present embodiment proposes a fissure water drainage device for underground structure construction, comprising a drainage pipe 1, a filter screen 2 and a connecting plate 5, the inside of the drainage pipe 1 is installed with a filter screen 2, the bottom end of the drainage pipe 1 is fixed with a conical head 6, the outside of the drainage pipe 1 is provided with a fixing structure 3, the top of the drainage pipe 1 is fixed with a connecting plate 5, the top of the connecting plate 5 is provided with a connecting rod 4, the outside of the connecting plate 5 is provided with a connecting structure 7, and the inside of the drainage pipe 1 is fixed with a shielding fin 8.

[0028] Specifically, when the fissure water drainage device for underground structure construction is used: the device is inserted into the rock formation, and the connecting rod 4 is connected and fixed to the drainage pipe 1 using the connecting structure 7, so that the fissure water is discharged from the device through the drainage pipe 1 and the connecting rod 4, and the filter net 2 is used to prevent foreign matter from entering the interior of the drainage pipe 1. The drainage pipe 1 and the connecting rod 4 are quickly connected and fixed by the fixing structure 3. The shielding fins 8 are set on the outside of the filter net 2 to support the gravel falling onto the filter net 2, prevent the gravel from directly contacting the filter net 2, and prevent the filter net 2 from being damaged by impact. At the same time, due to the presence of a certain gap on the outside of the filter net 2, the device can easily draw water into the interior of the drainage pipe 1 through the filter net 2.

[0029] like Figure 1-4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the fixing structure 3 includes a rubber sealing plug 301, a fixing plate 302, a first bolt 303, a second bolt 304 and a cover plate 305, the cover plate 305 is sleeved on the outside of the drainage tube 1, the cover plate 305 is inserted inside the top of the cover plate 305, the rubber sealing plug 301 is fixed to the bottom end of the cover plate 305, fixing plates 302 are fixed on both sides of the bottom end of the cover plate 305, the first bolt 303 is inserted inside the fixing plate 302, the outer wall of the second bolt 304 is provided with an external thread, and the inside of the cover plate 305 is provided with an internal thread that cooperates with the external thread.

[0030] Specifically, when the fissure water drainage device for underground structure construction is used: by pulling the cover plate 305 to move on the outside of the drainage pipe 1, the cover plate 305 drives the rubber sealing plug 301 to move to the hole, blocking the gap between the drainage pipe 1 and the hole, reducing the discharge of water from the hole, turning the second bolt 304 to fit tightly against the surface of the drainage pipe 1, fixing the position between the cover plate 305 and the drainage pipe 1, then inserting the fixing plate 302 into the rock crevice, turning the first bolt 303, so that the first bolt 303 pushes the fixing plate 302 to bend to both sides to hook the rock, and fixing the cover plate 305 on the surface of the rock.

[0031] like Figure 1-4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the connecting structure 7 includes a fixing frame 701, a screw 702, a pressure plate 703 and a rotating seat 704, the rotating seat 704 is fixed to the bottom end of the connecting disk 5, the outer side of the rotating seat 704 is sleeved with a fixing frame 701, the inner part of the top of the fixing frame 701 is inserted with a screw 702, the bottom end of the screw 702 is connected to the pressure plate 703, the outer side wall of the screw 702 is provided with an external thread, and the inner part of the fixing frame 701 is provided with an internal thread that cooperates with the external thread.

[0032] Specifically, when the fissure water drainage device for underground structure construction is used: align the two groups of connecting plates 5 of the connecting rod 4, then pull the fixing frame 701 to rotate around the rotating seat 704, move the pressure plate 703 to the top of the connecting plate 5, rotate the screw rod 702, so that the screw rod 702 pushes the pressure plate 703 downward through the engagement of the thread, press and fix the two groups of connecting plates 5, and connect the drainage tube 1 to the connecting rod 4.

[0033] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A fissure water drainage device for underground structure construction, comprising a drainage pipe (1), a filter screen (2) and a connecting plate (5), characterized in that: A filter screen (2) is installed inside the drainage tube (1), a conical head (6) is fixed at the bottom end of the drainage tube (1), a fixing structure (3) is arranged on the outside of the drainage tube (1), a connecting plate (5) is fixed at the top end of the drainage tube (1), a connecting rod (4) is arranged at the top end of the connecting plate (5), a connecting structure (7) is arranged on the outside of the connecting plate (5), and shielding fins (8) are fixed inside the drainage tube (1).

2. A fissure water drainage device for underground structure construction according to claim 1, characterized in that: The fixing structure (3) comprises a rubber sealing plug (301), a fixing plate (302), a first bolt (303), a second bolt (304) and a cover plate (305); the cover plate (305) is sleeved on the outside of the drainage tube (1); and the cover plate (305) is inserted into the interior of the top end of the cover plate (305).

3. A fissure water drainage device for underground structure construction according to claim 2, characterized in that: A rubber sealing plug (301) is fixed to the bottom end of the cover plate (305), fixing plates (302) are fixed to both sides of the bottom end of the cover plate (305), and a first bolt (303) is inserted into the interior of the fixing plate (302).

4. A fissure water drainage device for underground structure construction according to claim 2, characterized in that: An external thread is provided on the outer wall of the second bolt (304), and an internal thread matching the external thread is provided inside the cover plate (305).

5. A fissure water drainage device for underground structure construction according to claim 1, characterized in that: The connection structure (7) comprises a fixing frame (701), a screw rod (702), a pressing plate (703) and a rotating seat (704); the rotating seat (704) is fixed to the bottom end of the connection plate (5); and the fixing frame (701) is sleeved on the outer side of the rotating seat (704).

6. A fissure water drainage device for underground structure construction according to claim 5, characterized in that: A screw rod (702) is inserted into the interior of the top end of the fixing frame (701), and a pressing plate (703) is connected to the bottom end of the screw rod (702).

7. A fissure water drainage device for underground structure construction according to claim 5, characterized in that: An external thread is provided on the outer wall of the screw rod (702), and an internal thread that cooperates with the external thread is provided inside the fixing frame (701).

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