CN217681720U

CN217681720U - Crawler-type drilling and punching integrated pump truck for coal mine

Info

Publication number: CN217681720U
Application number: CN202221551264.2U
Authority: CN
Inventors: 张晓飞; 张为远; 王彦军; 李雁龙; 郭凯; 张晋洁; 郎凯凯
Original assignee: Shanxi Jinding Gaobao Drilling Co ltd
Current assignee: Shanxi Jinding Gaobao Drilling Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-10-28
Anticipated expiration: 2032-06-21

Abstract

The utility model provides a crawler-type drilling and punching integrated pump truck for coal mines, which belongs to the technical field of pump trucks and comprises a frame, a crawler assembly arranged at the lower part of the frame and a traveling system used for controlling the traveling of the crawler assembly; the frame is provided with a motor I, a water pump, a two-way ball valve, an energy accumulator and a safety valve; the water pump is driven by a motor I, a water pumping pipe is arranged at an inlet, and a flow regulating valve is arranged at an outlet; the port A of the two-way ball valve is connected with an interface of an energy accumulator, the port B is divided into two paths, the first path is connected with an outlet of a water pump, and the second path is connected with a drill rod water supply system on a drilling machine; the interface of the accumulator is connected with the pressure port of the safety valve. The utility model discloses realize the transform of water pressure and flow, satisfy the different requirements of boring and water conservancy slot, can be in better adaptation coal mine area walking work simultaneously.

Description

Crawler-type drilling and punching integrated pump truck for coal mine

Technical Field

The utility model belongs to the technical field of the pump truck, a integrative pump truck is dashed with crawler-type brill in colliery is specifically disclosed.

Background

Coal seam permeability increasing is one of the most effective methods for solving the problem of gas control of soft coal seams, and the hydraulic seam cutting, pressure relief and permeability increasing technology is the most effective, safest and most economical method in the permeability increasing technologies in China at present. The directional drilling is combined with the hydraulic slotting technology, gas in the soft coal seam is pumped out, long drill holes and branch holes (tree-shaped hole distribution) are drilled, meanwhile, the high-pressure rotating water jet slotting increases the exposed area of the coal body, good conditions are created for pressure relief and gas release and flowing in the coal seam, the coal body above and below the slot is fully relieved in a certain range, and the air permeability of the coal seam is increased. Under the action of ground pressure, the coal around the slot moves spatially, so that the pressure relief and gas exhaust range of the slot is expanded. Under the cutting and impacting action of the high-pressure rotating water jet, a part of coal around the drill hole is knocked off by high-pressure water to form a flat slot space, so that cracks in the coal are increased, the flowing state of gas in a coal bed can be greatly improved, favorable conditions are created for gas emission, the original stress and crack conditions of the coal are changed, the stress tension state in the coal and surrounding rocks is relieved, the outburst power can be weakened or eliminated, the strength of the coal bed can be improved, the outburst prevention effect is achieved, and the air permeability and the gas release capacity are improved.

The high-pressure hydraulic slotting device generally comprises a water tank, a water pump assembly, a drilling machine, a drill rod and a slotting device which are sequentially connected along the water flow direction, wherein the water pump assembly is used for pumping water in the water tank to the drilling machine for the drilling machine to use, and the water pressure and the flow required by drilling and hydraulic slotting are different. It is therefore desirable to provide a water pump assembly that can vary water pressure and flow. During drilling, the water pump assembly is preferably moved along with the drill, so that the water pump assembly needs to be designed to be capable of better walking in coal mine areas with poor ground states.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is bored with crawler-type and is dashed integrative pump truck realizes the transform of water pressure and flow, satisfies the different requirements of boring and water conservancy slot, can be in better adaptation coal mine area walking work simultaneously.

In order to achieve the purpose, the utility model provides a crawler-type drilling and punching integrated pump truck for coal mines, which comprises a frame, a crawler assembly arranged at the lower part of the frame and a traveling system used for controlling the traveling of the crawler assembly; the frame is provided with a motor I, a water pump, a two-way ball valve, an energy accumulator and a safety valve; the water pump is driven by a motor I, a water pumping pipe is arranged at an inlet, and a flow regulating valve is arranged at an outlet; the port A of the two-way ball valve is connected with an interface of an energy accumulator, the port B is divided into two paths, the first path is connected with an outlet of a water pump, and the second path is connected with a drill rod water supply system on a drilling machine; the interface of the accumulator is connected with the pressure port of the safety valve.

Furthermore, the port B of the two-way ball valve, the outlet of the water pump and the drill rod water supply system are connected through a three-way joint.

Furthermore, install the vacuum electromagnetic starter I of being connected with motor I on the frame.

Further, be connected through shaft coupling I between motor I and the water pump.

Furthermore, the walking system comprises a motor II, a hydraulic pump, a hydraulic oil tank assembly and a walking operation box assembly which are arranged on the frame; the hydraulic pump is driven by the motor II, and the hydraulic oil in the hydraulic oil tank assembly is pumped to each valve group in the walking operation box assembly.

Furthermore, a vacuum electromagnetic starter II connected with a motor II is installed on the frame.

Further, the motor II is connected with the hydraulic pump through a coupling II.

Further, the hydraulic oil tank assembly is provided with a cooler.

Furthermore, a protective cover is arranged on the frame, and the water pump, the two-way ball valve, the energy accumulator and the safety valve are positioned in the protective cover.

Furthermore, the motor I is an YBK3-355L1-4 explosion-proof motor, the vacuum electromagnetic starter I is a QJZ2-400 vacuum electromagnetic starter, the coupling I is a 355L1 motor coupling and is provided with a protective cover, and the water pump is a plunger pump; the motor II is an YBK3-200L1-4 explosion-proof motor, the vacuum electromagnetic starter II is a QJZ2-200 vacuum electromagnetic starter, and the coupling II is a 200L motor coupling and is provided with a protective cover.

The utility model discloses following beneficial effect has.

1. The integration of drilling and cutting construction can be realized, and the process flow time is shortened;

2. the flow output of the pump truck is adjustable from 150 to 450L/min, and the adjusting range is large;

3. the complete device bears pressure of 30Mpa or more, and meets various drilling construction requirements;

4. the walking system for controlling the walking of the crawler assembly is arranged, so that the walking system can be better suitable for walking work in coal mine areas.

Drawings

FIG. 1 is a perspective view of a crawler-type drilling and punching integrated pump truck for a coal mine;

FIG. 2 is a top view of a crawler-type drilling and punching integrated pump truck for a coal mine;

FIG. 3 is a water supply schematic diagram of a crawler-type drilling and punching integrated pump truck for a coal mine.

In the figure: the system comprises a frame 1, a track assembly 2, a motor I, a water pump 4, a two-way ball valve 5, an energy accumulator 6, a safety valve 7, a water pumping pipe 8, a flow regulating valve 9, a vacuum electromagnetic starter I, a motor II, a motor 12, a hydraulic pump 13, a hydraulic oil tank assembly 14, a walking operation box assembly 15, a vacuum electromagnetic starter II, a cooler 16, a shield 17, a coupling I and a protective cover 18, a coupling II and a protective cover 19 and a drill pipe water supply system 100.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

The embodiment provides a crawler-type drilling and punching integrated pump truck for a coal mine, which comprises a frame 1, a crawler assembly 2 installed at the lower part of the frame 1 and a traveling system used for controlling the crawler assembly 2 to travel; the frame 1 is provided with a motor I3, a water pump 4, a two-way ball valve 5, an energy accumulator 6 and a safety valve 7; the water pump 4 is driven by a motor I3, the inlet of the water pump is provided with a water pumping pipe 8, and the outlet of the water pump is provided with a flow regulating valve 9; the port A of the two-way ball valve 5 is connected with the interface of the energy accumulator 6, the port B is divided into two paths, the first path is connected with the outlet of the water pump 4, and the second path is connected with a drill rod water supply system 100 on the drilling machine; the connection of the accumulator 6 is connected to the pressure port of the safety valve 7.

Further, the port B of the two-way ball valve 5, the outlet of the water pump 4 and the drill rod water supply system 100 are connected through a three-way joint.

Further, a vacuum electromagnetic starter I10 connected with the motor I2 is mounted on the frame 1.

Further, the motor I2 is connected with the water pump 3 through a coupler I.

Further, the walking system comprises a motor II 11, a hydraulic pump 12, a hydraulic oil tank assembly 13 and a walking operation box assembly 14 which are arranged on the frame 1; the hydraulic pump 12 is driven by the motor II 11 and pumps hydraulic oil in the hydraulic oil tank assembly 13 to each valve group in the walking operation box assembly 14. The walking system and the water supply system of the pump truck are two independent systems, the hydraulic principle of the walking system can refer to the known hydraulic principle, and the walking system is a simple deformation of the prior art or the prior art.

Furthermore, a vacuum electromagnetic starter II 15 connected with the motor II 10 is installed on the frame 1.

Further, the motor II 10 is connected with the hydraulic pump 11 through a coupling II.

Further, the hydraulic tank assembly 12 is provided with a cooler 16.

Furthermore, a protective cover 17 is further arranged on the frame 1, and the water pump 3, the two-way ball valve 5, the energy accumulator 6 and the safety valve 7 are positioned in the protective cover 17.

Example 2

In the embodiment, a motor I3 is an YBK3-355L1-4 explosion-proof motor, a vacuum electromagnetic starter I10 is a QJZ2-400 vacuum electromagnetic starter, a coupling I is a 355L1 motor coupling and is provided with a protective cover, and a water pump 4 is a plunger pump; the pump truck water supply process is described by taking the example that the motor II 11 is an YBK3-200L1-4 explosion-proof motor, the vacuum electromagnetic starter II 15 is a QJZ2-200 vacuum electromagnetic starter, and the coupling II is a 200L motor coupling and is provided with a protective cover.

In the embodiment, the pressure of the plunger pump can reach 30MPa; the pressure setting value of the safety valve 7 is 10MPa. The first mode is as follows: normally drills, need flow and the biggest 10MPa pressure about 400L/min, open two-way ball valve and let pipeline III communicate, pipeline I this moment, II, III all are in the connected state, and water pump 4 is supplied water by pipeline I, and the stability and the pressure upper limit that energy storage ware 6 and relief valve 7 can adjust discharge, and when exceeding 10MPa, 7 pressure releases of relief valve, guarantees that pressure is not more than 10MPa. And a second mode: and (3) hydraulic slotting is needed, the two-way ball valve 5 is closed to disconnect the pipeline III, the pipelines I and II are in a communicated state at the moment, the water pump 4 is also provided with the flow regulating valve 9, the regulating pressure value is 30MPa, the pressure can reach 30MPa at the moment, and high-pressure water washes the surrounding coal wall to perform slotting. The crawler-type drilling and punching integrated pump truck for the coal mine is suitable for coal beds with high ground stress, high gas and low air permeability (coal bed hardness)fAnd more than 0.4) drilling holes in the bedding surface of the working face, drilling holes in the bedding surface, releasing pressure and increasing permeability of the rock cross-cut coal, preventing and controlling rock burst and the like, wherein the depth of the slots of the drilling holes in the bedding surface ranges from 30m to 40m, and the depth of the slots of the drilling holes in the bedding surface ranges from 30m to 50m.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. A crawler-type drilling and punching integrated pump truck for a coal mine comprises a frame, a crawler assembly and a traveling system, wherein the crawler assembly is installed at the lower part of the frame; the bicycle is characterized in that a motor I, a water pump, a two-way ball valve, an energy accumulator and a safety valve are mounted on the bicycle frame;

the water pump is driven by a motor I, a water pumping pipe is arranged at an inlet, and a flow regulating valve is arranged at an outlet;

the port A of the two-way ball valve is connected with an interface of an energy accumulator, the port B is divided into two paths, the first path is connected with an outlet of a water pump, and the second path is connected with a drill rod water supply system on a drilling machine;

the interface of the accumulator is connected with the pressure port of the safety valve.

2. The crawler-type drilling and punching integrated pump truck for the coal mine according to claim 1, wherein a port B of the two-way ball valve, an outlet of the water pump and a drill rod water supply system are connected through a three-way joint.

3. The crawler-type drilling and punching integrated pump truck for the coal mine according to claim 2, wherein a vacuum electromagnetic starter I connected with a motor I is mounted on the truck frame.

4. The crawler-type drilling and punching integrated pump truck for the coal mine according to claim 3, characterized in that the motor I is connected with the water pump through a coupling I.

5. The crawler-type drilling and punching integrated pump truck for the coal mine according to claim 4, wherein the traveling system comprises a motor II, a hydraulic pump, a hydraulic oil tank assembly and a traveling operation box assembly, wherein the motor II, the hydraulic pump, the hydraulic oil tank assembly and the traveling operation box assembly are mounted on a truck frame;

the hydraulic pump is driven by the motor II, and the hydraulic oil in the hydraulic oil tank assembly is pumped to each valve group in the walking operation box assembly.

6. The crawler-type drilling and punching integrated pump truck for the coal mine according to claim 5, wherein a vacuum electromagnetic starter II connected with a motor II is mounted on the truck frame.

7. The crawler-type drilling and punching integrated pump truck for the coal mine according to claim 6, wherein the motor II is connected with the hydraulic pump through a coupling II.

8. The crawler-type drilling and punching integrated pump truck for the coal mine according to claim 7, wherein the hydraulic oil tank assembly is provided with a cooler.

9. The crawler-type drilling and punching integrated pump truck for the coal mine according to claim 8, wherein a shield is further arranged on the frame, and the water pump, the two-way ball valve, the energy accumulator and the safety valve are located in the shield.

10. The crawler-type drilling and punching integrated pump truck for the coal mine according to claim 9, wherein a motor I is an YBK3-355L1-4 explosion-proof motor, a vacuum electromagnetic starter I is a QJZ2-400 vacuum electromagnetic starter, a coupling I is a 355L1 motor coupling and is provided with a protective cover, and a water pump is a plunger pump;

the motor II is an YBK3-200L1-4 explosion-proof motor, the vacuum electromagnetic starter II is a QJZ2-200 vacuum electromagnetic starter, and the coupling II is a 200L motor coupling and is provided with a protective cover.