CN211900692U

CN211900692U - Submersible pump for coal mine

Info

Publication number: CN211900692U
Application number: CN202020282697.7U
Authority: CN
Inventors: 李瑞铭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-11-10
Anticipated expiration: 2030-03-10

Abstract

The utility model relates to a immersible pump technical field especially relates to a immersible pump for coal mine, including immersible pump body and control room, the upper end fixedly connected with control room of immersible pump body, and the lateral wall through connection of immersible pump body has the water inlet, the bottom through connection of immersible pump body has the delivery port, and the inner wall fixedly connected with filter of immersible pump body, the bottom of filter is linear equidistance and has seted up the filtration pore, the inner wall top fixed mounting of control room has inverter motor, inverter motor's bottom is rotated and is connected with the transmission shaft, the spout has been seted up to the front surface of transmission shaft, and the bottom of transmission shaft has seted up the inner chamber, the outside cover of. The utility model discloses in drive the transmission shaft through inverter motor and rotate, make the slider remove in the spout, make the slider drive the hinge bar and rotate crushing sword and rotate to avoid the immersible pump to block up.

Description

Submersible pump for coal mine

Technical Field

The utility model relates to a immersible pump technical field especially relates to a immersible pump for coal mine.

Background

The submersible pump is an important device for pumping water from a deep well. When the underground water pumping unit is used, the whole unit is submerged to work, underground water is extracted to the ground surface, and water can easily enter a mine in the coal mining process, so that the water needs to be pumped to the ground surface by using the submersible pump.

The existing submersible pump is difficult to crush and filter sand in the process of a user, so that the submersible pump is easy to block.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a submersible pump for coal mines.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a submersible pump for coal mines comprises a submersible pump body and a control chamber, wherein the upper end of the submersible pump body is fixedly connected with the control chamber, the side wall of the submersible pump body is connected with a water inlet in a penetrating way, the bottom end of the submersible pump body is connected with a water outlet in a penetrating way, the inner wall of the submersible pump body is fixedly connected with a filter plate, the bottom end of the filter plate is provided with filter holes in linear equal intervals, the top end of the inner wall of the control chamber is fixedly provided with a variable frequency motor, the bottom end of the variable frequency motor is rotatably connected with a transmission shaft, the front surface of the transmission shaft is provided with a chute, the bottom end of the transmission shaft is provided with an inner cavity, a sealing ring is sleeved outside the transmission shaft, a piston is slidably connected inside the inner cavity, the bottom end of, the terminal surface of slider articulates there is the hinge bar, the one end of hinge bar articulates at crushing sword.

Preferably, a through hole is formed between the submersible pump body and the control chamber, and the sealing ring and the through hole are in interference fit.

Preferably, the inner diameter of the inner cavity is smaller than the outer diameter of the piston, and the inner cavity and the piston are in interference fit.

Preferably, the sliding block is I-shaped, and the sliding block and the sliding groove are in clearance fit.

Preferably, the impact block is in contact with the filter plate.

Preferably, the input end of the variable frequency motor is electrically connected with the power output end of the submersible pump body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in drive the transmission shaft through inverter motor and rotate, make the slider remove in the spout to make the slider drive the hinge bar and rotate crushing sword and rotate, make crushing sword smash the material, thereby avoid the immersible pump to block up.

2. The utility model discloses in through the rotational speed that changes inverter motor, make inverter motor drive the transmission shaft and rotate, make reciprocal linear motion including the piston in the intracavity under transmission shaft pivoted effect, make striking piece striking filter to filter efficiency has been accelerated.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the transmission shaft of the present invention;

fig. 3 is an enlarged schematic view of a partial structure a of the present invention.

In the figure: 1. a submersible pump body; 2. a control room; 3. a variable frequency motor; 4. a slider; 5. a water inlet; 6. a hinged lever; 7. a filtration pore; 8. a crushing knife; 9. a filter plate; 10. a water outlet; 11. a drive shaft; 12. a chute; 13. a seal ring; 14. an impact block; 15. a transmission rod; 16. an inner cavity; 17. a piston.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a submersible pump for coal mine comprises a submersible pump body 1 and a control chamber 2, the upper end of the submersible pump body 1 is fixedly connected with the control chamber 2, the side wall of the submersible pump body 1 is connected with a water inlet 5 in a penetrating way, the bottom end of the submersible pump body 1 is connected with a water outlet 10 in a penetrating way, the inner wall of the submersible pump body 1 is fixedly connected with a filter plate 9, the bottom end of the filter plate 9 is provided with filter holes 7 in linear equidistance, the top end of the inner wall of the control chamber 2 is fixedly provided with a variable frequency motor 3, the bottom end of the variable frequency motor 3 is rotatably connected with a transmission shaft 11, the front surface of the transmission shaft 11 is provided with a chute 12, the bottom end of the transmission shaft 11 is provided with an inner cavity 16, the outer part of the transmission shaft 11, the inside sliding connection of striking block 14 spout 12 has slider 4, and the terminal surface of slider 4 articulates there is articulated pole 6, and the one end of articulated pole 6 articulates at crushing sword 8.

Wherein, set up the through-hole between immersible pump body 1 and the control room 2, be interference fit between sealing washer 13 and the through-hole.

Wherein, the inner diameter of the inner cavity 16 is smaller than the outer diameter of the piston 17, and the inner cavity 16 and the piston 17 are in interference fit.

Wherein, the slide block 4 is I-shaped, and the slide block 4 and the sliding groove 12 are in clearance fit.

Wherein the impact block 14 is in contact with the filter plate 9.

Wherein, the input of inverter motor 3 and the power output end electric connection of immersible pump body 1.

The working principle is as follows: the variable frequency motor 3 drives the transmission shaft 11 to rotate, so that the sliding block 4 moves in the sliding chute 12, the sliding block 4 drives the hinge rod 6 to rotate the crushing cutter 8, the crushing cutter 8 is used for crushing materials, and the submersible pump is prevented from being blocked; the variable frequency motor 3 drives the transmission shaft 11 to rotate by changing the rotating speed of the variable frequency motor 3, the piston 17 makes reciprocating linear motion in the inner cavity 16 under the rotating action of the transmission shaft 11, and the impact block 14 impacts the filter plate 9, so that the filtering efficiency is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The submersible pump for the coal mine comprises a submersible pump body (1) and is characterized in that a control chamber (2) is fixedly connected to the upper end of the submersible pump body (1), a water inlet (5) is connected to the side wall of the submersible pump body (1) in a through mode, a water outlet (10) is connected to the bottom end of the submersible pump body (1) in a through mode, a filter plate (9) is fixedly connected to the inner wall of the submersible pump body (1), filter holes (7) are formed in the bottom end of the filter plate (9) in a linear and equidistant mode, a variable frequency motor (3) is fixedly installed at the top end of the inner wall of the control chamber (2), a transmission shaft (11) is rotatably connected to the bottom end of the variable frequency motor (3), a sliding groove (12) is formed in the front surface of the transmission shaft (11), an inner cavity (16), the inside sliding connection of inner chamber (16) has piston (17), the bottom fixedly connected with transfer line (15) of piston (17), the bottom fixedly connected with striking piece (14) of transfer line (15), striking piece (14) the inside sliding connection of spout (12) has slider (4), the terminal surface of slider (4) articulates there is hinge bar (6), the one end of hinge bar (6) articulates at crushing sword (8).

2. The submersible pump for coal mines according to claim 1, wherein a through hole is formed between the submersible pump body (1) and the control chamber (2), and the sealing ring (13) and the through hole are in interference fit.

3. The submersible pump for coal mines according to claim 1, wherein the inner diameter of the inner cavity (16) is smaller than the outer diameter of the piston (17), and an interference fit is formed between the inner cavity (16) and the piston (17).

4. The submersible pump for coal mines according to claim 1, wherein the sliding block (4) is i-shaped, and the sliding block (4) and the sliding groove (12) are in clearance fit.

5. A submersible pump for coal mines according to claim 1, characterized in that the impact block (14) is in contact with the filter plate (9).

6. The submersible pump for coal mines according to claim 1, wherein an input end of the variable frequency motor (3) is electrically connected with a power output end of the submersible pump body (1).