Fault auxiliary screening device for underground drainage pump

Abstract

The utility model discloses an underground draining pump fault auxiliary discrimination device comprising a three-way pipe, the three-way pipe comprises a transverse main pipe and a vertical auxiliary pipe vertical to the transverse main pipe, the transverse main pipe is connected to a draining pipe of a draining pump, and an impeller is installed in the three-way pipe and located at the position where the transverse main pipe is connected with the vertical auxiliary pipe. When water passes through the transverse main pipe and can drive the impeller to rotate, a pipe cap is connected to a pipe opening of the vertical auxiliary pipe in a sealed mode, a transparent window is arranged on the pipe cap, the impeller can be observed through the transparent window, and a pressure gauge used for detecting the water pressure in the transverse three-way pipe is installed on the side wall of the transverse main pipe. Whether the drainage pump breaks down or not is judged according to the rotating speed of the impeller and the pressure value of the pressure gauge, the drainage pump which breaks down is rapidly locked and timely treated, and the underground safety risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine drainage technical field, more particularly, relates to a kind of underground drainage pump failure auxiliary discrimination device. BACKGROUND

[0002] Mine drainage system is an important part of coal mine safety production, for the water and working water is discharged to ground. The entire drainage system usually needs to arrange multiple drainage pumps, 24h uninterrupted operation, which also leads to drainage pump belonging to the equipment of frequent failure. At present, there is no safety measure for the advanced drainage pump failure, once a drainage pump fails, can only be judged according to experience, when finding the fault drainage pump usually has seriously affected normal drainage in underground.

[0003] Therefore, it is necessary to improve the prior art. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of underground drainage pump failure auxiliary discrimination device, to at least solve one of the technical problems of the prior art, for achieving the above-mentioned purpose, the technical solution as follows is used:

[0005] Underground drainage pump failure auxiliary discrimination device, including three-way pipe, three-way pipe includes horizontal main pipe and vertical auxiliary pipe with horizontal main pipe vertical, horizontal main pipe is connected on the drainage pipe of drainage pump, impeller is installed in three-way pipe and located the position of horizontal main pipe and vertical auxiliary pipe junction, when water passes through horizontal main pipe can drive impeller rotation, the pipe mouth of vertical auxiliary pipe is sealingly connected with pipe cap, transparent window is provided on pipe cap, impeller can be observed by transparent window, the side wall of horizontal main pipe is equipped with pressure gauge for detecting the water pressure in horizontal three-way pipe.

[0006] Preferably, the impeller is rotatably mounted on the horizontal shaft by the bearing, and both ends of the horizontal shaft are fixedly connected with the pipe wall.

[0007] Preferably, the pipe cap is threadedly connected with the pipe mouth of the vertical auxiliary pipe.

[0008] Preferably, a sealing ring is arranged in the pipe cap.

[0009] Compared with the prior art, the utility model has the beneficial effects:

[0010] The utility model discloses a kind of underground drainage pump failure auxiliary discrimination device, whether the rotation speed of impeller and the pressure value of pressure gauge judges drainage pump to fail, realize the drainage pump that fails is locked quickly, and timely disposal is carried out, reduce the security risk in underground. In addition, the device structure is simple, and manufacturing cost is low, and use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below are only some of the embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative effort.

[0012] Fig. 1 is a schematic diagram of the overall structure of the device of the present application.

[0013] Fig. 2 is a cross-sectional view of the installation of the impeller inside the tee pipe of the present application.

[0014] In the figure: 1, horizontal main pipe; 2, vertical auxiliary pipe; 3, impeller; 4, horizontal shaft; 5, pipe cap; 6, transparent window; 7, pressure gauge. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application.

[0016] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0017] As shown in Figs. 1-2 The preferred embodiment of the present application provides a downhole drainage pump fault auxiliary identification device, which comprises a tee pipe, the tee pipe is composed of a horizontal main pipe 1 and a vertical auxiliary pipe 2 perpendicular to the horizontal main pipe 1. An impeller 3 is installed in the tee pipe and located at the position where the horizontal main pipe 1 and the vertical auxiliary pipe 2 meet. Specifically, a horizontal shaft 4 is arranged in the tee pipe, both ends of the horizontal shaft 4 are fixedly connected with the inner wall of the pipe, the impeller 3 is rotatably installed on the horizontal shaft 4 through a bearing, and the impeller 3 can be driven to rotate when water passes through the horizontal main pipe 1.

[0018] The pipe opening of the vertical auxiliary pipe 2 is provided with a pipe cap 5, the pipe cap 5 is threadedly connected with the pipe opening of the vertical auxiliary pipe 2, and a sealing ring is further arranged in the pipe cap 5 to seal the pipe opening of the vertical auxiliary pipe 2. A transparent window 6 is arranged on the pipe cap 5, through which the state of the impeller 3 can be observed.

[0019] The side wall of the transverse main pipe 1 is provided with a pressure gauge 7 for detecting the water pressure inside the tee pipe, specifically, the side wall of the transverse main pipe 1 is provided with a through hole, a detection joint of the pressure gauge 7 extends into the inside of the transverse main pipe 1, and the through hole is sealed by welding, and the pressure gauge 7 is fixed.

[0020] The device is installed on the drain pipe of the drainage pump, specifically, the transverse main pipe 1 is connected to the drain pipe of the drainage pump, and the interface is sealed by the clamping seal.

[0021] When the downhole drainage system is abnormal, the state of the impeller 3 in the device corresponding to each drainage pump can be checked, and the pressure of the pressure gauge 7 is combined, so that the drainage pump with fault can be quickly locked, and corresponding treatment can be performed in time.

[0022] In summary, the downhole drainage pump fault auxiliary identification device provided by the embodiment of the utility model judges whether the drainage pump has fault through the rotating speed of the impeller and the pressure value of the pressure gauge, realizes quick locking of the drainage pump with fault, and timely disposal, reduces the safety risk of the downhole. In addition, the device has simple structure, low manufacturing cost and good use effect.

[0023] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. An auxiliary fault discrimination device for downhole drainage pumps, characterized in that, The three-way pipe comprises a horizontal main pipe and a vertical auxiliary pipe perpendicular to the horizontal main pipe, the horizontal main pipe is connected to a drain pipe of a drain pump, an impeller is installed in the three-way pipe and at a position where the horizontal main pipe and the vertical auxiliary pipe meet, the impeller can be driven to rotate by water passing through the horizontal main pipe, a pipe cap is sealingly connected to a pipe opening of the vertical auxiliary pipe, a transparent window is arranged on the pipe cap, the impeller can be observed through the transparent window, and a pressure gauge for detecting water pressure inside the horizontal three-way pipe is installed on a side wall of the horizontal main pipe.

2. The downhole drainage pump failure assistance discrimination device of claim 1, wherein, The impeller is rotatably installed on a horizontal shaft through a bearing, and both ends of the horizontal shaft are fixedly connected to the pipe wall.

3. The downhole drainage pump failure assistance discrimination device of claim 1, wherein, The pipe cap is threadedly connected to the pipe opening of the vertical auxiliary pipe.

4. The downhole drainage pump failure assistance discrimination device of claim 1, wherein, A sealing ring is arranged in the pipe cap.

Images