CN220551155U

CN220551155U - Underground drilling drainage device for mine

Info

Publication number: CN220551155U
Application number: CN202322299943.6U
Authority: CN
Inventors: 刘继勇; 雷文杰; 闫志铭; 董润平; 尹金辉; 高炎旭; 杜栋栋; 李哲
Original assignee: Huayang New Material Technology Group Co ltd; Henan University of Technology
Current assignee: Huayang New Material Technology Group Co ltd; Henan University of Technology
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-01
Anticipated expiration: 2033-08-25

Abstract

The application relates to the technical field of coal mining, in particular to a mining underground drilling drainage device. The drainage device comprises a water pump and a water pumping probe rod, and the water pump is provided with a water suction port and a water discharge port; the water suction port and the water discharge port are connected with high-pressure hoses; one end of the water pumping probe rod extends into the drilling hole, and the other end extends out of the drilling hole and is connected with a high-pressure hose at the water suction port; the water pumping probe rod is also provided with a fixing part, and the water pumping probe rod is fixedly arranged outside the drilled hole through the fixing part. On one hand, the influence of the shaking of the pumping probe rod on the pumping and draining effect in the working process of the water pump can be effectively prevented; on the other hand, the control of the size of the water pumping probe rod extending into the drill hole can be realized, and further the water accumulation pumping and draining of the specific depth in the drill hole can be realized, so that the water pumping probe rod has stronger flexibility.

Description

Underground drilling drainage device for mine

Technical Field

The application relates to the technical field of coal mining, in particular to a mining underground drilling drainage device.

Background

The gas extraction is used as a common coal mine gas control technology, and can well ensure the safety production of mines. In the downstream drilling construction process, the hydraulic reaming, mechanical reaming or rock stratum water seepage are affected, a large amount of accumulated water can exist in the drilling, so that the gas extraction effect is poor, and the follow-up coal seam mining work is affected.

Currently, in order to solve the problem of water accumulation in a down-hole, a common method is a forced air drainage method in order to remove the water accumulation in the hole. The high-pressure air pipe is switched through drilling after drilling construction or the air pipe is directly put into the drilling, and water accumulated in the hole is repeatedly blown out for many times, so that the purpose of reducing water accumulated in the hole is achieved.

In the process of treating accumulated water in a drilled hole by adopting the method, the water quantity which can be blown out is limited due to the deeper drilling hole depth, the effect is relatively general, the efficiency is low, and obvious limitations exist.

Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.

Disclosure of Invention

An object of the present application is to provide a mining downhole drilling drainage device to solve or alleviate the problems existing in the prior art.

In order to achieve the above object, the present application provides the following technical solutions:

the underground drilling drainage device for the mine comprises a water pump and a water pumping probe rod, wherein the water pump is provided with a water suction port and a water discharge port; the water sucking port and the water discharging port are connected with high-pressure hoses;

one end of the water pumping probe rod extends into the drilling hole, and the other end extends out of the drilling hole and is connected with a high-pressure hose at the water suction port; the water pumping probe rod is further provided with a fixing part, and the water pumping probe rod is fixedly arranged outside a drilled hole through the fixing part.

According to the underground drilling drainage device for the mine, preferably, the fixing part is the fixing clamp plate, the fixing clamp plate is sleeved on the periphery of the pumping probe rod in a clearance mode, the inner diameter of the fixing clamp plate is larger than the outer diameter of the pumping probe rod, and the gap between the inner diameter of the fixing clamp plate and the outer diameter of the pumping probe rod is tightly filled with elastic materials.

According to the underground drilling drainage device for the mine, preferably, the inner diameter of the high-pressure hose is larger than the outer diameter of the pumping probe rod, and the high-pressure hose is connected with the pumping probe rod through the reducer union.

According to the underground drilling drainage device for the mine, preferably, the end, extending into the drilling hole, of the water pumping probe rod is provided with the filtering part.

In the underground drilling drainage device for mines, preferably, the pumping probe rod is provided with a plurality of sections, and the plurality of sections of pumping probe rods are axially connected;

the one end that the probe rod of drawing water was equipped with the filter part is the path portion, and the other end is the path portion that appears, and the latter section the path portion of probe rod of drawing water stretches into the path portion that draws water of preceding section and draws water in the path portion that appears and carry out the joint fixedly.

The underground drilling drainage device for the mine comprises a water storage tank and a pump body, wherein the water storage tank is arranged on the pump body; the water sucking port and the water discharging port are arranged on the water storage tank.

According to the underground drilling drainage device for the mine, preferably, the water storage water tank is provided with the water level indication mark.

According to the mining underground drilling drainage device, preferably, the pump body is provided with the control module for controlling the running state of the pump body; one end of the control module is electrically connected with the power supply device, and the other end of the control module is electrically connected with the pump body.

The underground drilling drainage device for the mine is characterized in that the control module comprises a power indicator lamp, a switch and a display.

The mining underground drilling drainage device according to any one of the above, preferably, the drainage device further comprises a moving device, wherein the moving device comprises a base, rollers and a push-pull handrail, the rollers are arranged at the lower part of the base, and the push-pull handrail is arranged at one side of the base;

the water pump is detachably arranged on the base.

Compared with the closest prior art, the technical scheme of the application has the following beneficial effects:

the water pump and the water pumping probe rod are combined to pump and drain the underground drilling hole, and the fixing part is arranged to limit the depth of the water pumping probe rod extending into the drilling hole, so that on one hand, the influence of shaking of the water pumping probe rod on the water pumping and draining effect in the working process of the water pump can be effectively prevented; on the other hand, the control of the size of the water pumping probe rod extending into the drill hole can be realized, and further the water accumulation pumping and draining of the specific depth in the drill hole can be realized, so that the water pumping probe rod has stronger flexibility.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. Wherein:

FIG. 1 is a schematic diagram of the operation of a drainage device provided in accordance with some embodiments of the present application;

FIG. 2 is a schematic diagram of a water pump according to some embodiments of the present application;

FIG. 3 is a schematic diagram of the operation of a pumped probe provided in accordance with some embodiments of the present application;

FIG. 4 is a schematic view of a pumped probe rod structure provided in accordance with some embodiments of the present application;

fig. 5 is a schematic view of a pumped probe rod fixture provided according to some embodiments of the present application.

Reference numerals illustrate:

1. a water pump; 2. an explosion-proof coil; 3. a high pressure hose; 4. a reducing joint; 5. a water outlet; 6. a water suction port; 7. a large diameter portion; 8. pumping the probe rod; 9. a pump body; 10. a small diameter portion; 11. a base; 12. a switch; 13. a display; 14. a water storage tank; 15. a power indicator light; 16. a control module; 17. a roller; 18. a mobile device; 19. a filtering part; 20. an explosion-proof motor; 21. push-pull armrests; 22. drilling holes; 23. a fixed clamping plate; 24. a coal seam; 25. a threaded portion; 26. an elastic material.

Detailed Description

The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Various examples are provided by way of explanation of the present application and not limitation of the present application. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the application. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present application include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

In the following description, the terms "first/second/third" are used merely to distinguish between similar objects and do not represent a particular ordering of the objects, it being understood that the "first/second/third" may be interchanged with a particular order or precedence where allowed, to enable embodiments of the present application described herein to be implemented in other than those illustrated or described herein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein is for the purpose of describing embodiments of the present disclosure only and is not intended to be limiting of the present disclosure.

In the description of the present application, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely for convenience in describing the present application and do not require that the present application must be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application. The terms "coupled," "connected," and "configured" as used herein are to be interpreted broadly, and may be, for example, fixedly connected or detachably connected; can be directly connected or indirectly connected through an intermediate component; either a wired electrical connection, a radio connection or a wireless communication signal connection, the specific meaning of which terms will be understood by those of ordinary skill in the art as the case may be.

For clarity of description, herein, the foremost refers to the end closest to the bottom of the borehole when the drainage device is performing the pumping operation, and the endmost refers to the end furthest from the bottom of the borehole when the drainage device is performing the pumping operation.

A drainage device for a mine borehole 22 according to the present utility model will be described in further detail with reference to fig. 1-5.

The underground drilling 22 drainage device for the mine comprises a water pump 1 and a water pumping probe rod 8, wherein the water pump 1 is provided with a water suction port 6 and a water discharge port 5; the water suction port 6 and the water discharge port 5 are connected with a high-pressure hose 3;

one end of the water pumping probe rod 8 extends into the drilling hole 22, and the other end extends out of the drilling hole 22 to be connected with the high-pressure hose 3 at the water suction port 6; the pumping probe rod 8 is also provided with a fixing part, and the pumping probe rod 8 is fixedly arranged outside the drilling hole 22 through the fixing part.

In the specific embodiment of the utility model, the water pump 1 adopts a mining explosion-proof shell, and the water pumping probe rod 8 is a metal probe rod provided with a through hole, so that the water pumping probe rod 8 extends to the deep part along the drilling hole 22. The drill hole 22 is stretched into to the probe 8 one end that draws water, and the other end stretches out the drill hole 22 and is connected to the high-pressure hose 3 of water sucking mouth 6 department, through set up fixed part on the probe 8 that draws water for the probe 8 that draws water obtains fixed the setting in the drill hole 22 outside, has realized on the one hand that the probe 8 that draws water stretches into the control of the inside size of drill hole 22, can carry out the drainage to ponding of specific degree of depth, has stronger flexibility, on the other hand, has still avoided in the work process of water pump 1 because the influence of the rocking of probe 8 to the drainage effect that draws water.

The fixed part is fixed splint 23, and fixed splint 23 clearance cover is established in the probe rod 8 periphery that draws water, and fixed splint 23 internal diameter is greater than the probe rod 8 external diameter that draws water, and fixed splint 23 internal diameter and probe rod 8 external diameter clearance department that draws water closely knit to be filled with elastic material 26.

In the specific embodiment of the utility model, an elastic material 26 with good anti-slip performance such as rubber is densely filled in the gap between the inner diameter of the fixed clamping plate 23 and the outer diameter of the pumping probe rod 8, the pumping probe rod 8 and the fixed clamping plate 23 are fixed together through friction fit between the elastic material 26 and the fixed clamping plate 23 and the pumping probe rod 8, and the outer diameter of the fixed clamping plate 23 is larger than the inner diameter of the opening of the drilling hole 22, so that the fixed clamping plate 23 and the opening of the drilling hole 22 form stop fit, and the pumping probe rod 8 is fixed outside the drilling hole 22. On one hand, the structure of the pumping probe rod 8 is not required to be modified, so that the cost is saved and the disassembly is convenient; on the other hand, can also realize fixing in the arbitrary position of pumping probe rod 8, the flexibility is stronger.

The inner diameter of the high-pressure hose 3 is larger than the outer diameter of the pumping probe rod 8, and the high-pressure hose 3 is connected with the pumping probe rod 8 through the reducer union 4.

In the embodiment of the present utility model, in order to facilitate the extension of the pumping probe 8 in the borehole 22, the outer diameter of the pumping probe 8 is smaller than the inner diameter of the borehole 22, but at the same time has a certain influence on the pumping effect of the drainage device, the inner diameter of the high pressure hose 3 is larger than the outer diameter of the pumping probe 8 and the high pressure hose 3 is connected to the pumping probe 8 through the reducer union 4 based on the limitation of the conventional size of the existing materials and in order to improve the pumping efficiency as much as possible.

The end of the pumping probe 8 extending into the borehole 22 is provided with a filtering part 19.

In the specific embodiment of the utility model, the end face and the outer side face of the end, which extends into the drill hole 22, of the water pumping probe rod 8 are provided with a plurality of filtering holes with the same size, so that small coal rock particles can be prevented from entering the inner through hole of the water pumping probe rod 8 in the water pumping and draining process, and the water draining channel is blocked, and the water pumping and draining effect is prevented from being influenced.

In an embodiment of the present utility model, the filtering portion 19 is specifically a filter screen sleeved on an end of the pumping probe 8 extending into the borehole 22.

The pumping probe rod 8 is provided with a plurality of sections, and the pumping probe rod 8 with the plurality of sections is axially connected;

one end of the water pumping probe rod 8 provided with the filtering part 19 is a small-diameter part 10, the other end is a large-diameter part 7, and the small-diameter part 10 of the next section of water pumping probe rod 8 stretches into the large-diameter part 7 of the previous section of water pumping probe rod 8 and is clamped and fixed.

Because the depth of the drilling hole 22 is affected by the actual production requirement, in the water pumping and draining process, the size of the water pumping probe rod 8 does not need to be customized according to the specific depth of the drilling hole 22 based on the consideration of cost, and particularly, the water pumping and draining requirements of the corresponding drilling hole 22 can be matched by axially connecting the multiple sections of water pumping probe rods 8.

In the specific embodiment of the utility model, the outer diameter of the small diameter part 10 of the pumping probe rod 8 is matched with the inner diameter of the large diameter part 7, the multiple sections of pumping probe rods 8 are axially connected in a clamping and fixing way, wherein the filtering parts 19 are arranged in the range of the small diameter part 10, correspondingly, in the axial connection process of the multiple sections of pumping probe rods 8, the filtering parts 19 of the corresponding later section of pumping probe rod 8 extend into the large diameter part 7 of the previous section of pumping probe rod 8, and by the arrangement, a multiple filtering system with the functions of the filtering parts 19 of the end face and the outer side face of the foremost section of pumping probe rod 8 and the filtering parts 19 of the end faces of the other sections of pumping probe rods 8 is formed, so that the filtering effect is further improved.

In other embodiments of the present utility model, the small diameter portion 10 further includes a threaded portion 25, the filtering portion 19 and the threaded portion 25 are sequentially disposed along the axial direction of the small diameter portion 10, the threaded portion 25 is specifically disposed on the outer side surface of the small diameter portion 10, the inner side surface of the large diameter portion 7 is provided with corresponding threads, and the small diameter portion 10 of the next section of pumping probe 8 extends into the large diameter portion 7 of the previous section of pumping probe 8 and is screwed by the threaded portion 25.

The water pump 1 comprises a water storage tank 14 and a pump body 9; the water suction port 6 and the water discharge port 5 are arranged on the water storage tank 14.

Under the suction effect of the pump body 9, accumulated water in the drill hole 22 sequentially enters the water storage water tank 14 through the water pumping probe rod 8, the high-pressure hose 3 and the water suction port 6, and is discharged into an underground drainage channel through the water outlet 5 and the high-pressure hose 3 after the water level in the water storage water tank 14 reaches a certain height.

The water storage tank 14 is provided with a water level indication mark.

In the embodiment of the present utility model, the water storage tank 14 is provided with a water level observation window on the side surface, and a plurality of water level indication marks are arranged at different height positions of the water level observation window.

The pump body 9 is provided with a control module 16 for controlling the running state of the pump body 9; one end of the control module 16 is electrically connected with the power supply device, and the other end is electrically connected with the pump body 9.

In the embodiment of the utility model, the control module 16 is arranged at the top of the pump body 9 and is electrically connected with the underground explosion-proof motor 20 through the explosion-proof coil 2.

The control module 16 includes a power indicator 15, a switch 12, and a display 13.

In the specific embodiment of the utility model, the running state of the pump body 9 is observed in real time through the display 13, and when the pump body 9 and the power supply device are powered on, the power indicator lamp 15 and the display 13 are normally turned on, and then the switch 12 is turned on, so that the accumulated water pumping and draining work in the drill hole 22 can be performed.

In order to facilitate the movement of the high suction lift water pump 1 by operators, save the labor cost of the operators, improve the water-collecting and pumping efficiency in the drilling hole 22, the drainage device also comprises a moving device 18, the moving device 18 comprises a base 11, a roller 17 and a push-pull handrail 21, the roller 17 is arranged at the lower part of the base 11, and the push-pull handrail 21 is arranged at one side of the base 11; the water pump 1 is detachably arranged on the base 11.

The using method of the underground borehole 22 drainage device for the mine comprises the following steps:

in the underground coal mine down-hole 22 construction process, due to the influence of factors such as construction technology and the like, a large amount of accumulated water exists in the hole 22, so that the gas extraction effect of the coal seam 24 is poor. When accumulated water in the drill hole 22 needs to be discharged, an operator moves the water pump 1 to the vicinity of the drill hole 22 by pushing and pulling the handrail 21, then calculates the number of the water pumping probes 8 according to the target water discharge depth and the standard length of the water pumping probes 8, marks the fixed positions of the fixed clamping plates 23 on the tail end section of the water pumping probes 8, passes through the fixed clamping plates 23 and gradually stretches into the drill hole 22 through threaded connection among the sections of the water pumping probes 8 until the filtering part 19 of the tail end section of the water pumping probes 8 reaches the target water discharge depth, and correspondingly, after the marked positions on the tail end section of the water pumping probes 8 coincide with the positions of the fixed clamping plates 23, the water pumping probes 8 stretch into and stop, compactly fills the gap between the fixed clamping plates 23 and the tail end section of the water pumping probes 8, and is connected with the high-pressure hose 3 at the water suction port 6 of the water storage tank 14 through the reducer union 4. After connection is completed, the power supply is connected, the switch 12 is turned on when the power supply indicator lamp 15 and the display 13 are normally on, and accumulated water in the drill hole 22 acts on the pump body 9 and finally is discharged to the underground drainage channel through the pumping probe rod 8. After the water draining work is completed, the water pumping probe rods 8 are sequentially pulled out through the fixed clamping plates 23 along the direction away from the drilling hole 22, and after each section of water pumping probe rod 8 leaves the hole opening of the drilling hole 22, the corresponding water pumping probe rods 8 are separated until the foremost section of water pumping probe rod 8 leaves the hole opening of the drilling hole 22.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The underground drilling drainage device for the mine is characterized by comprising a water pump and a water pumping probe rod, wherein the water pump is provided with a water suction port and a water discharge port; the water sucking port and the water discharging port are connected with high-pressure hoses;

2. The mining underground drilling drainage device according to claim 1, wherein the fixing part is a fixing clamp plate, the fixing clamp plate is sleeved on the periphery of the pumping probe rod in a clearance mode, the inner diameter of the fixing clamp plate is larger than the outer diameter of the pumping probe rod, and an elastic material is densely filled in the clearance between the inner diameter of the fixing clamp plate and the outer diameter of the pumping probe rod.

3. The mining downhole drilling drainage device of claim 1, wherein the high-pressure hose has an inner diameter greater than an outer diameter of the pumping probe, and the high-pressure hose is connected with the pumping probe through a reducing joint.

4. The mining underground borehole drainage device according to claim 1, wherein a filtering part is arranged at one end of the pumping probe extending into the borehole.

5. The mining downhole drilling drainage device of claim 1, wherein the pumping probe has a plurality of sections, and the plurality of sections of pumping probes are axially connected;

6. The mining downhole drilling drainage device according to claim 1, wherein the water pump comprises a water storage tank and a pump body; the water sucking port and the water discharging port are arranged on the water storage tank.

7. The mining downhole drilling drainage device according to claim 6, wherein the water storage tank is provided with a water level indication mark.

8. The mining underground drilling drainage device according to claim 6, wherein the pump body is provided with a control module for controlling the running state of the pump body; one end of the control module is electrically connected with the power supply device, and the other end of the control module is electrically connected with the pump body.

9. The mining downhole drilling drainage device of claim 8, wherein the control module comprises a power indicator, a switch, and a display.

10. A mining downhole drilling drainage device according to any of claims 1-9, wherein the drainage device further comprises a moving device, the moving device comprises a base, a roller and a push-pull handrail, the roller is arranged at the lower part of the base, and the push-pull handrail is arranged at one side of the base;

the water pump is detachably arranged on the base.