Emergency drainage device for coal mining in coal mine

Abstract

The utility model relates to the technical field of mining, and discloses an emergency drainage device for coal mining in a coal mine, which comprises a water pump body, a base structure for supporting is arranged at the bottom of the water pump body, the base structure comprises a supporting body, side plates, a stand column and a hanging rod, the water pump body is fixedly connected with the supporting body, and each side wall of the supporting body is fixedly connected with one side plate. A plurality of detachable stand columns are arranged in a cavity of the supporting body, a plurality of hanging rods are fixedly connected into the wall face of each stand column, water enters the supporting body through the notches in the wall faces of the side plates, and when flaky impurities such as plastic bags in the water are sucked into the cavity of the supporting body by the water pump body, the plastic bags are hung through a barb structure formed by the hanging rods; the multiple stand columns and the hanging rods can block multiple positions of the plastic bag, the plastic bag is prevented from being attached to a water inlet cover at the bottom of the water pump body, the situation that the water inlet efficiency of the water pump body is affected by attaching of the plastic bag to the water inlet cover is reduced, and the protection performance is better.

Description

Technical Field

[0001] The utility model relates to the technical field of mining, in particular to an emergency drainage device for coal mining. Background Art

[0002] The prior art discloses an emergency drainage device for coal mining (CN202321355994.X), comprising a submersible pump for emergency drainage in coal mining, wherein an annular plate is fixedly connected to the bottom of the submersible pump, and four support rods are fixedly connected to the bottom of the annular plate in an annular shape at equal intervals, and the bottom ends of the four support rods are fixedly connected to the same base, and a water inlet located in the annular plate is provided at the bottom of the submersible pump.

[0003] The prior art cleans impurities by setting a scraper to rotate and scrape around the water inlet hood of the water pump. As for flaky impurities, such as plastic bags, due to the pressure difference, the plastic bags will adhere to the surface of the water absorption hood after being adsorbed by the water pump. Even if the scraper rotates, the plastic bags will not separate from the hood body, indicating a change of position. Therefore, the prior art has room for optimization in blocking flaky impurities.

[0004] For this reason, we propose an emergency drainage device for coal mining. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides an emergency drainage device for coal mining.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an emergency drainage device for coal mining in coal mines, including a water pump body, a base structure for support is provided at the bottom of the water pump body, the base structure includes a support body, side panels, columns and hanging rods, the water pump body is fixedly connected to the support body, each side wall of the support body is fixedly connected to a side panel, a plurality of detachable columns are provided in the cavity of the support body, and a plurality of hanging rods are fixedly connected to the wall surface of each column, and a plurality of hanging rods form a barb structure and assemble flaky impurities into the cavity of the support body.

[0007] As a preferred embodiment of the utility model, the base structure also includes a transverse plate and a longitudinal plate. A plurality of transverse plates and longitudinal plates are arranged in the support body cavity. The longitudinal plates are fixedly connected to the transverse plates. The plurality of transverse plates and longitudinal plates together form a grid structure to filter impurities.

[0008] As a preferred embodiment of the present invention, the transverse plate forms a plate-like structure, and the bottom surface of each transverse plate is fixedly connected to a plurality of linearly distributed upright posts.

[0009] As a preferred embodiment of the present invention, the column forms a columnar structure, the column extends toward the bottom of the support body, and the hanging rod is fixedly installed on the side wall surface of the column.

[0010] As a preferred embodiment of the utility model, the hanging rod forms an L-shaped rod structure, the horizontal part of the hanging rod is fixedly connected to the column, the vertical part of the hanging rod extends obliquely toward the bottom of the support body, the end face of the vertical part of the hanging rod is chamfered to form a tip, and a plurality of hanging rods are distributed on the side wall of each column in a circular array.

[0011] As a preferred embodiment of the present invention, the longitudinal plate forms a rectangular plate structure, the longitudinal plate is fixedly connected to the bottom surface of the transverse plate, and the bottom surface of the longitudinal plate is chamfered to form a cutting edge.

[0012] As a preferred embodiment of the utility model, the support body forms a box structure with an open bottom, the length of the horizontal plate is greater than the width of the support body cavity, the two ends of the horizontal plate abut against the inner wall of the support body, the top surface of the support body is provided with a window for water inlet, the water pump body passes through the window and extends into the cavity of the support body, the side panels are fixedly mounted on the outer wall of the support body, the side panels protrude from the bottom of the support body and extend to the bottom of the support body, and the bottom surface of the side panels is provided with a notch.

[0013] Beneficial Effects

[0014] The utility model provides an emergency drainage device for coal mining. It has the following beneficial effects:

[0015] 1. The emergency drainage device for coal mining in coal mines is provided with a support body and uses the notch on the side plate wall to let in water. When flaky impurities in the water, such as a plastic bag, are sucked into the cavity of the support body by the water pump body, the plastic bag is hung by a barb structure formed by a plurality of hanging rods, and a plurality of columns and hanging rods can block a plurality of positions of the plastic bag, thereby preventing the plastic bag from sticking to the water inlet cover at the bottom of the water pump body. The blocking effect on flaky impurities is better, the impact of the plastic bag sticking to the water inlet cover on the water inlet efficiency of the water pump body is reduced, and the protective performance is better.

[0016] 2. The emergency drainage device for coal mining in coal mines is equipped with a horizontal plate, which can be deformed and bent so that the two ends of the horizontal plate respectively contact the inner wall surface of the support body to fix the horizontal plate. The grid structure formed by multiple horizontal plates and vertical plates is a second protective barrier to block impurities, further improving the filtering effect. When the plastic bag fits the grid structure formed by the horizontal plates and the vertical plates, the plastic bag will be attracted by the water pump body and cut by each vertical plate to damage the plastic bag, thereby preventing the plastic bag from blocking the water inlet of the water pump body with its entire surface.

[0017] 3. The emergency drainage device for coal mining in coal mines, by abutting the horizontal plate against the support body, the elastic horizontal plate can be deformed and bent. When plastic bags are hung on each hanging rod, the horizontal plate and the vertical plate can be pulled out of the cavity of the support body as a whole and cleaned one by one, which is convenient for later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is one of the overall three-dimensional diagrams of the utility model;

[0019] Figure 2 This is the second overall stereogram of the utility model;

[0020] Figure 3 This is an overall three-dimensional diagram of the base structure of the utility model;

[0021] Figure 4 It is a three-dimensional diagram of the horizontal plate and the vertical plate of the utility model;

[0022] Figure 5 It is a three-dimensional diagram of the longitudinal plate of the utility model.

[0023] Legend: 10, water pump body; 20, support body; 21, side panel; 22, column; 23, hanging rod; 30, horizontal panel; 31, vertical panel. DETAILED DESCRIPTION

[0024] Emergency drainage device for coal mining, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, it includes a water pump body 10, and the bottom of the water pump body 10 is provided with a base structure for support, and the base structure includes a support body 20, a side plate 21, a column 22 and a hanging rod 23. The water pump body 10 is fixedly connected to the support body 20, and each side wall of the support body 20 is fixedly connected to a side plate 21. A plurality of detachable columns 22 are provided in the cavity of the support body 20, and a plurality of hanging rods 23 are fixedly connected to the wall surface of each column 22. A plurality of hanging rods 23 form a barb structure and assemble flaky impurities into the cavity of the support body 20. The columns 22 form a columnar structure, and the columns 22 extend toward the bottom of the support body 20. The hanging rods 23 are fixedly installed on the side wall surface of the columns 22. The hanging rods 23 form an L-shaped rod structure, and the horizontal portion of the hanging rod 23 The support body 20 is fixedly connected to the column 22, and the vertical part of the hanging rod 23 is inclined and extends toward the bottom of the support body 20. The end face of the vertical part of the hanging rod 23 is chamfered to form a tip. The side wall of each column 22 is distributed with a plurality of hanging rods 23 in a circular array. In this scheme, by setting the support body 20, the notch in the wall of the side plate 21 is utilized to let in water. When flaky impurities in the water, such as a plastic bag, are sucked into the cavity of the support body 20 by the water pump body 10, the plastic bag is hung by the barb structure formed by the plurality of hanging rods 23. The plurality of columns 22 and the hanging rods 23 can block multiple positions of the plastic bag, inhibit the plastic bag from sticking to the water inlet cover at the bottom of the water pump body 10, reduce the impact of the plastic bag sticking to the water inlet cover on the water inlet efficiency of the water pump body 10, and have better protective performance.

[0025] like Figure 3 , Figure 4 and Figure 5As shown, the base structure also includes a transverse plate 30 and a longitudinal plate 31. A plurality of transverse plates 30 and longitudinal plates 31 are arranged in the cavity of the support body 20. The longitudinal plates 31 are fixedly connected to the transverse plates 30. The plurality of transverse plates 30 and longitudinal plates 31 together form a grid structure to filter impurities. The transverse plates 30 form a plate-like structure. The bottom surface of each transverse plate 30 is fixedly connected to a plurality of linearly distributed uprights 22. The longitudinal plates 31 form a rectangular plate structure. The longitudinal plates 31 are fixedly connected to the bottom surface of the transverse plates 30. The bottom surface of the longitudinal plates 31 is chamfered to form a cutting edge. By arranging the transverse plates 30, the transverse plates 30 are used to filter impurities. 0 can be deformed and bent, so that the two ends of the horizontal plate 30 respectively abut against the inner wall surface of the support body 20, thereby fixing the horizontal plate 30, and the grid structure formed by the plurality of horizontal plates 30 and the vertical plates 31 is a second protective barrier to block impurities, further improving the filtering effect, when the plastic bag fits the grid structure formed by the horizontal plate 30 and the vertical plate 31, the plastic bag will be attracted by the water pump body 10, and the plastic bag will be cut by each vertical plate 31, so that the plastic bag is damaged, thereby preventing the material bag from blocking the water inlet of the water pump body 10 with the entire surface.

[0026] By abutting the transverse plate 30 against the support body 20, the elastic transverse plate 30 can be deformed and bent. When plastic bags are hung on each hanging rod 23, the transverse plate 30 and the longitudinal plate 31 can be pulled out of the cavity of the support body 20 as a whole and cleaned one by one, which is convenient for later maintenance.

[0027] like Figure 2 and Figure 3 As shown, the support body 20 forms a box structure with an opening at the bottom, the length of the cross plate 30 is greater than the width of the cavity of the support body 20, the two ends of the cross plate 30 are in contact with the inner wall of the support body 20, and a window for water inlet is provided on the top surface of the support body 20. The water pump body 10 passes through the window and extends into the cavity of the support body 20, and the side plate 21 is fixedly installed on the outer wall of the support body 20. The side plate 21 protrudes from the bottom of the support body 20 and extends to the bottom of the support body 20. A notch is provided on the bottom surface of the side plate 21. The support body 20 is supported by the side plates 21 in an outward-octave distribution to ensure the stability of the water pump body 10 during the water pumping process, and the notch on the wall of the side plate 21 can be used for water inlet. The side plate 21 forms a concave plate through the notch. The specific shape of the side plate 21 is not described here. The water pump body 10 takes a submersible pump as an example, and the specific specifications are not restricted too much here.

[0028] The working principle of the utility model is as follows: a transverse plate 30 is provided, and the transverse plate 30 can be deformed and bent so that the two ends of the transverse plate 30 respectively contact the inner wall surface of the support body 20 to fix the transverse plate 30. When flaky impurities in the water, such as a plastic bag, are sucked into the cavity of the support body 20 by the water pump body 10, the plastic bag is hung by the barb structure formed by the multiple hanging rods 23, and the multiple columns 22 and the hanging rods 23 can block multiple positions of the plastic bag, thereby preventing the plastic bag from sticking to the water inlet cover at the bottom of the water pump body 10, and the grid structure formed by the multiple transverse plates 30 and the vertical plates 31 is the second protective barrier to block impurities, further improving the filtering effect. When the plastic bag sticks to the grid structure formed by the transverse plates 30 and the vertical plates 31, the plastic bag will be attracted by the water pump body 10, and the plastic bag will be cut by each vertical plate 31, so that the plastic bag is damaged.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An emergency drainage device for coal mining, comprising a water pump body (10), characterized in that: The bottom of the water pump body (10) is provided with a base structure for support, and the base structure comprises a support body (20), a side plate (21), a column (22) and a hanging rod (23). The water pump body (10) is fixedly connected to the support body (20), each side wall of the support body (20) is fixedly connected to a side plate (21), a plurality of detachable columns (22) are provided in the cavity of the support body (20), and a plurality of hanging rods (23) are fixedly connected to the wall surface of each column (22), and the plurality of hanging rods (23) form a barb structure and assemble flaky impurities into the cavity of the support body (20).

2. The emergency drainage device for coal mining according to claim 1 is characterized in that: The base structure also includes a transverse plate (30) and a longitudinal plate (31). A plurality of transverse plates (30) and longitudinal plates (31) are arranged in the cavity of the support body (20). The longitudinal plates (31) are fixedly connected to the transverse plates (30). The plurality of transverse plates (30) and longitudinal plates (31) together form a grid structure to filter impurities.

3. The emergency drainage device for coal mining according to claim 2 is characterized in that: The transverse plates (30) form a plate-like structure, and the bottom surface of each transverse plate (30) is fixedly connected to a plurality of linearly distributed upright posts (22).

4. The emergency drainage device for coal mining according to claim 1 is characterized in that: The column (22) forms a columnar structure, the column (22) extends toward the bottom of the support body (20), and the hanging rod (23) is fixedly mounted on the side wall surface of the column (22).

5. The emergency drainage device for coal mining according to claim 1 is characterized in that: The hanging rod (23) forms an L-shaped rod structure, the horizontal portion of the hanging rod (23) is fixedly connected to the column (22), the vertical portion of the hanging rod (23) extends obliquely toward the bottom of the support body (20), the end surface of the vertical portion of the hanging rod (23) is chamfered to form a tip, and a plurality of hanging rods (23) are distributed on the side wall surface of each column (22) in a circular array.

6. The emergency drainage device for coal mining according to claim 2, characterized in that: The longitudinal plate (31) forms a rectangular plate structure, the longitudinal plate (31) is fixedly connected to the bottom surface of the transverse plate (30), and the bottom surface of the longitudinal plate (31) is chamfered to form a cutting edge.

7. The emergency drainage device for coal mining according to claim 2 is characterized in that: The support body (20) forms a box structure with an opening at the bottom, the length of the transverse plate (30) is greater than the width of the cavity of the support body (20), the two ends of the transverse plate (30) are in contact with the inner wall surface of the support body (20), the top surface of the support body (20) is provided with a window for water inlet, the water pump body (10) passes through the window and extends into the cavity of the support body (20), the side plate (21) is fixedly mounted on the outer wall surface of the support body (20), the side plate (21) protrudes from the bottom of the support body (20) and extends to the bottom of the support body (20), and the bottom surface of the side plate (21) is provided with a notch.

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