CN211026784U - Internal circulation hydraulic control valve of spray pump of energy-saving heading machine - Google Patents
Internal circulation hydraulic control valve of spray pump of energy-saving heading machine Download PDFInfo
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- CN211026784U CN211026784U CN201921766043.5U CN201921766043U CN211026784U CN 211026784 U CN211026784 U CN 211026784U CN 201921766043 U CN201921766043 U CN 201921766043U CN 211026784 U CN211026784 U CN 211026784U
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Abstract
The utility model discloses an energy-saving entry driving machine spraying pump inner loop liquid accuse valve, including the feed liquor union coupling, inner loop liquid accuse valve body, the liquid joint is gone out in the spraying, the off-load case, cylindrical coil spring, pressure adjusting hand wheel, the liquid joint connector is gone out in the spraying, the liquid hole is returned in the inner loop off-load, feed liquor union joint connector, stifled silk. The overflow water enters the high-pressure pump again through the liquid inlet pipe joint connector, so that the overflow water is prevented from leaking, the internal circulation overflow process is completed, and the purpose of the internal circulation hydraulic control valve of the spray pump of the energy-saving type heading machine is achieved.
Description
Technical Field
The utility model discloses energy-saving entry driving machine atomizing pump inner loop liquid accuse valve, specific saying so one kind produces the inner loop with overflow water in the valve body, retrieves the energy-saving liquid accuse device that feed liquor pipe reentrant high-pressure pump secondary pressure boost utilized with all overflow water.
Background
At present, most of hydraulic control valves of a mining development machine spray pump are common overflow valves, and part of pumped high-pressure water is sent to a nozzle for spraying, and part of pumped high-pressure water overflows; in actual work and production, due to the small underground space, most of spray pumps are not provided with water tanks, overflow water directly flows to a roadway, overflow water waste is formed, and a large amount of electric energy is also wasted; under the condition of no water tank, overflow water cannot directly flow to a roadway, but is recovered and supplied to the high-pressure pump again, and is subjected to secondary pressurization and conveyed to a nozzle for spraying; however, no device capable of reusing the overflow water by means of internal circulation is available to solve the problem.
Disclosure of Invention
The utility model aims to solve the problems that most of the hydraulic control valves of the mining development machine spray pump are common overflow valves, and part of high-pressure water is pumped to be sent to the spray nozzle for spraying, and the other part overflows; in actual work and production, due to the small underground space, most of spray pumps are not provided with water tanks, overflow water directly flows to a roadway, overflow water waste is formed, and a large amount of electric energy is also wasted; "this difficult problem, have proposed the internal circulation pilot operated valve of spray pump of an energy-saving entry driving machine, under the situation without water tank, can not flow the overflow water to the tunnel directly, but reclaim the overflow water and supply the high-pressure pump again, pressurize and deliver the overflow water to the spray nozzle to spray for the second time; the purposes of energy conservation and emission reduction are achieved.
The utility model discloses a realize through following technical scheme:
An energy-saving inner circulation hydraulic control valve of a heading machine spray pump comprises a liquid inlet pipe joint (1), an inner circulation hydraulic control valve body (2), a spray liquid outlet joint (3), an unloading valve core (4), a cylindrical spiral spring (5), a pressure adjusting hand wheel (6), a spray liquid outlet joint connector (7), an inner circulation unloading liquid return hole (8), a liquid inlet pipe joint connector (9) and a blocking wire (10); the internal circulation unloading liquid return valve is characterized in that the upper end and the lower end of the internal circulation hydraulic control valve body (2) are respectively provided with two liquid inlet holes and two liquid outlet holes, and the middle of the internal circulation hydraulic control valve body (2) is provided with an internal circulation unloading liquid return hole (8); the liquid inlet pipe joint (1), the spraying liquid outlet joint (3) are arranged on the left side of the internal circulation hydraulic control valve body (2), the spraying liquid outlet joint connector (7) and the liquid inlet pipe joint connector (9) are arranged on the right side of the internal circulation hydraulic control valve body (2); the unloading valve core (4), the cylindrical spiral spring (5) and the pressure adjusting hand wheel (6) are respectively installed at the upper end of the internal circulation hydraulic control valve body (2), and the lower end hole of the internal circulation hydraulic control valve body (2) is screwed and blocked by a blocking wire (10), so that the energy-saving type inner circulation hydraulic control valve of the heading machine spray pump is formed.
In order to further achieve the purpose of convenient control operation, the internal circulation hydraulic control valve body (2) is respectively provided with a cylindrical spiral spring (5) and a pressure adjusting hand wheel (6) for adjusting the output pressure of the spraying liquid outlet joint (3).
The utility model discloses have following advantage with current entry driving machine atomizing pump liquid accuse valve:
1. Has high-pressure bearing performance: when the pressure is 20MPa, the device can work normally.
2. The pressure regulating function is provided: the pressure of the spraying system can be adjusted by rotating the pressure adjusting hand wheel (6).
3. Has the functions of energy conservation and emission reduction: the unloading valve core (4) is opened, the overflow water is recovered by the internal circulation unloading liquid return hole (8) and supplied to the spray pump again, and the spray pump secondarily pressurizes and conveys the overflow water to the spray nozzle for spraying, so that the purposes of energy conservation and emission reduction are achieved.
4. The internal circulation hydraulic control valve of the whole energy-saving type heading machine spraying pump is small in size, light in weight, complete in specification and model, simple in structure, convenient to install and easy to popularize and apply.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
FIG. 1 is a composition structure diagram of an internal circulation hydraulic control valve of an energy-saving heading machine spray pump;
In the figure:
The device comprises a liquid inlet pipe joint (1), an internal circulation hydraulic control valve body (2), a spraying liquid outlet joint (3), an unloading valve core (4), a cylindrical spiral spring (5), a pressure adjusting hand wheel (6), a spraying liquid outlet joint connector (7), an internal circulation unloading liquid return hole (8), a liquid inlet pipe joint connector (9) and a blocking wire (10).
Detailed Description
An energy-saving inner circulation hydraulic control valve of a heading machine spray pump comprises a liquid inlet pipe joint (1), an inner circulation hydraulic control valve body (2), a spray liquid outlet joint (3), an unloading valve core (4), a cylindrical spiral spring (5), a pressure adjusting hand wheel (6), a spray liquid outlet joint connector (7), an inner circulation unloading liquid return hole (8), a liquid inlet pipe joint connector (9) and a blocking wire (10); the internal circulation unloading liquid return valve is characterized in that the upper end and the lower end of the internal circulation hydraulic control valve body (2) are respectively provided with two liquid inlet holes and two liquid outlet holes, and the middle of the internal circulation hydraulic control valve body (2) is provided with an internal circulation unloading liquid return hole (8); the liquid inlet pipe joint (1), the spraying liquid outlet joint (3) are arranged on the left side of the internal circulation hydraulic control valve body (2), the spraying liquid outlet joint connector (7) and the liquid inlet pipe joint connector (9) are arranged on the right side of the internal circulation hydraulic control valve body (2); the unloading valve core (4), the cylindrical spiral spring (5) and the pressure adjusting hand wheel (6) are respectively installed at the upper end of the internal circulation hydraulic control valve body (2), and the lower end hole of the internal circulation hydraulic control valve body (2) is screwed and blocked by a blocking wire (10), so that the energy-saving type inner circulation hydraulic control valve of the heading machine spray pump is formed.
When the spraying machine works, normal-pressure water passes through the liquid inlet pipe joint (1), and the liquid inlet pipe joint connector (9) is conveyed to the spraying pump; the motor drives the spray pump to pressurize normal pressure water, and the water is conveyed to the nozzle through the spray liquid outlet joint connector (7) to form mist for underground spraying of the coal mine through the spray liquid outlet joint (3); one part of the pumped high-pressure water is conveyed to the spraying nozzle through a spraying liquid outlet joint, and the other part of the pumped high-pressure water overflows after being regulated by a pressure regulating hand wheel (6); the overflow water pushes a cylindrical spiral spring (5) to move upwards under the action of pressure, opens an unloading valve core (4) and enters a liquid inlet pipe joint connector (9) through an internal circulation unloading liquid return hole (8); the overflow water enters the high-pressure pump again through the liquid inlet pipe joint connector (9), so that the overflow water is prevented from leaking, the internal circulation overflow process is completed, and the design purpose of the internal circulation hydraulic control valve of the spray pump of the energy-saving heading machine is achieved.
When the work is stopped, the power supply spray pump is closed to stop supplying liquid, the internal circulation hydraulic control valve of the spray pump of the energy-saving type tunneling machine is cleaned and is arranged at a dry place to be air-dried so as to prevent corrosion, and the effect of long-term normal use is achieved.
proved by trampling, the maximum bearing pressure section of the internal circulation hydraulic control valve of the mining tunneling machine spray pump manufactured according to the scheme is 30MPa, 20MPa, 10MPa and 8MPa, and the flow range of the internal circulation hydraulic control valve of the mining tunneling machine spray pump is 120L/min, 100L/min, 80L/min and 60L/min.
Claims (2)
1. An energy-saving inner circulation hydraulic control valve of a heading machine spray pump comprises a liquid inlet pipe joint (1), an inner circulation hydraulic control valve body (2), a spray liquid outlet joint (3), an unloading valve core (4), a cylindrical spiral spring (5), a pressure adjusting hand wheel (6), a spray liquid outlet joint connector (7), an inner circulation unloading liquid return hole (8), a liquid inlet pipe joint connector (9) and a blocking wire (10); the internal circulation unloading liquid return valve is characterized in that the upper end and the lower end of the internal circulation hydraulic control valve body (2) are respectively provided with two liquid inlet holes and two liquid outlet holes, and the middle of the internal circulation hydraulic control valve body (2) is longitudinally provided with an internal circulation unloading liquid return hole (8); the liquid inlet pipe joint (1), the spraying liquid outlet joint (3) are arranged on the left side of the internal circulation hydraulic control valve body (2), the spraying liquid outlet joint connector (7) and the liquid inlet pipe joint connector (9) are arranged on the right side of the internal circulation hydraulic control valve body (2); the unloading valve core (4), the cylindrical spiral spring (5) and the pressure adjusting hand wheel (6) are respectively installed at the upper end of the internal circulation hydraulic control valve body (2), and the lower end hole of the internal circulation hydraulic control valve body (2) is screwed and blocked by a blocking wire (10), so that the energy-saving type inner circulation hydraulic control valve of the heading machine spray pump is formed.
2. The internal circulation hydraulic control valve of the energy-saving heading machine spray pump according to claim 1, wherein normal pressure water is delivered to the spray pump through a liquid inlet pipe joint (1) and a liquid inlet pipe joint connector (9); after the motor drives the spray pump to pressurize the normal pressure water, the normal pressure water is conveyed to the nozzle through the spray liquid outlet joint connector (7) and the spray liquid outlet joint (3) to form mist for underground spraying of the coal mine; part of pumped high-pressure water is conveyed to the nozzle through the spray liquid outlet joint (3); one part overflows after being regulated by a pressure regulating hand wheel (6); the overflow water pushes a cylindrical spiral spring (5) to move upwards under the action of pressure, opens an unloading valve core (4) and enters a liquid inlet pipe joint connector (9) through an internal circulation unloading liquid return hole (8); the overflow water enters the high-pressure pump again through the liquid inlet pipe joint connector (9), so that the overflow water is prevented from leaking, the internal circulation overflow process is completed, and the design purpose of the internal circulation hydraulic control valve of the spray pump of the energy-saving heading machine is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766043.5U CN211026784U (en) | 2019-10-21 | 2019-10-21 | Internal circulation hydraulic control valve of spray pump of energy-saving heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766043.5U CN211026784U (en) | 2019-10-21 | 2019-10-21 | Internal circulation hydraulic control valve of spray pump of energy-saving heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211026784U true CN211026784U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921766043.5U Active CN211026784U (en) | 2019-10-21 | 2019-10-21 | Internal circulation hydraulic control valve of spray pump of energy-saving heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211026784U (en) |
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2019
- 2019-10-21 CN CN201921766043.5U patent/CN211026784U/en active Active
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| GR01 | Patent grant | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Han Fei Inventor after: Zhou Shuisheng Inventor after: Yang Changjun Inventor after: Li Jinzhu Inventor after: Ma Dongwen Inventor after: Wang Zhanjun Inventor after: Xian Xulin Inventor after: Xie Min Inventor after: Liu Guoli Inventor before: Han Fei Inventor before: Zhou Shuisheng Inventor before: Yang Changjun Inventor before: Li Jinzhu Inventor before: Ma Dongwen Inventor before: Wang Zhanjun Inventor before: Xianxulin Inventor before: Xie Min Inventor before: Liu Guoli |