CN210829703U - Automatic unloading one-way overflow valve of mining emulsion pump - Google Patents
Automatic unloading one-way overflow valve of mining emulsion pump Download PDFInfo
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- CN210829703U CN210829703U CN201921766042.0U CN201921766042U CN210829703U CN 210829703 U CN210829703 U CN 210829703U CN 201921766042 U CN201921766042 U CN 201921766042U CN 210829703 U CN210829703 U CN 210829703U
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Abstract
The utility model discloses an automatic unloading one-way overflow valve of a mining emulsion pump, which comprises an unloading valve block, a pressure regulating locking nut, a pressure regulating bolt, a spring seat, a high-pressure spring, an unloading liquid hole, a backwater K-shaped joint, a high-pressure water outlet K-shaped joint, a one-way valve spring, a one-way valve core, a pilot liquid hole, a high-pressure push rod, a pressure gauge joint, a piston locking nut, a push rod piston and a valve block liquid inlet K-shaped joint; when the pumped emulsion is unloaded, the pressure of the emulsion in the unloading hole is reduced to be close to 0MPa, so that the high-pressure pump is operated under pressure relief and no-load operation, the effects of energy conservation and emission reduction are achieved, and the design purpose of the automatic unloading one-way overflow valve of the mining emulsion pump is achieved.
Description
Technical Field
The utility model relates to an automatic unloading one-way overflow valve of a mining emulsion pump, in particular to a pump-sending emulsion pump which ensures the pressure of a hydraulic system of a hydraulic support while unloading; the pressure of the emulsion in the unloading liquid hole is reduced to be close to 0MPa, so that the high-pressure pump is operated under pressure relief and no-load operation, and the device has the functions of energy conservation and emission reduction.
Background
At present, most of overflow valves of mining emulsion pumps are common overflow valves, when the pressure of pumped emulsion reaches a set pressure, the overflow valves start pressure maintaining overflow, a high-pressure pump runs under the condition of 31.5MPa of the set pressure, the torque of the high-pressure pump is the largest, a motor drives the high-pressure pump to have the largest torque, the most work is done, and the largest power consumption is achieved; in actual safety production, when the pressure of the hydraulic support reaches 31.5MPa required by work, high-pressure liquid does not need to be supplemented, so that emulsion needs to be pumped and overflows to a water tank through an overflow hole of an unloading valve, the pressure of the overflow liquid is almost 0MPa, the emulsion pump is in pressure relief operation, a motor runs in no-load mode, the power consumption is reduced, and the effects of energy conservation and emission reduction are achieved; however, no such device has been found to solve this problem.
Disclosure of Invention
The utility model discloses a solve "at present, mining emulsion pump's overflow valve most is ordinary overflow valve, when pump sending emulsion pressure reaches set pressure, the overflow valve begins the pressurize overflow, the high-pressure pump will be in operation under set pressure 31.5 MPa's condition, at this moment the torque of high-pressure pump is the biggest, the moment of torsion of motor drive high-pressure pump is the biggest, the acting is most, this difficult problem of power consumption is the biggest, a mining emulsion pump automatic unloading one-way overflow valve is proposed, make the pump sending emulsion in the unloading, the pressure reduction of emulsion in the unloading liquid hole is to being close to 0MPa, the high-pressure pump is released the pressure and is operated, no-load operation, play energy saving and emission reduction effect, reach the design purpose of mining emulsion pump automatic unloading one-way overflow valve.
The utility model discloses a realize through following technical scheme:
the design of the automatic unloading one-way overflow valve of the mining emulsion pump comprises an unloading valve block (1), a pressure regulating lock nut (2), a pressure regulating bolt (3), a spring seat (4), a high-pressure spring (5), an unloading liquid hole (6), a backwater K-shaped joint (7), a high-pressure water outlet K-shaped joint (8), a one-way valve spring (9), a one-way valve core (10), a pilot liquid hole (11), a high-pressure push rod (12), a pressure gauge joint (13), a piston lock nut (14), a push rod piston (15) and a valve block liquid inlet K-shaped joint (16); the high-pressure valve is characterized in that a high-pressure spring (5), a spring seat (4) and a pressure regulating bolt (3) are sequentially arranged in a pressure regulating locking nut (2), the pressure regulating locking nut (2) is arranged on the left side of an unloading valve block (1), a push rod piston (15) is arranged on a high-pressure push rod (12) and locked by a piston locking nut (14), the high-pressure push rod (12) is arranged on the right side of the unloading valve block (1), the left end of the high-pressure push rod is tightly pressed by the high-pressure spring (5), and the right end of the high-pressure push rod; the valve block liquid inlet K-shaped joint (16) is installed on the lower side of the unloading valve block (1), the water return K-shaped joint (7) is installed on the upper side of the unloading valve block (1), the high-pressure water outlet K-shaped joint (8) is installed on the upper side of the unloading valve block (1), the check valve spring (9) is installed in the check valve core (10), the check valve core (10) is installed in the unloading valve block (1) and is tightly pressed by the high-pressure water outlet K-shaped joint (8), and the automatic unloading one-way overflow valve of the mining emulsion pump is formed.
In order to further achieve the purpose of convenient control and operation, the unloading valve block (1) is respectively provided with a pressure regulating lock nut (2) and a pressure regulating bolt (3) for regulating the pressure of the liquid supply system at any time.
The utility model discloses have following advantage with current emulsion pump overflow valve:
1. has high-pressure bearing performance: when the pressure is 50MPa, the device can work normally.
2. Have many pressure sections regulatory function: the pressure regulating bolt (3) is rotated clockwise, the pressure of the liquid supply system is increased, and the pressure regulating bolt (3) is rotated anticlockwise, so that the pressure of the liquid supply system is reduced; the pressure can be adjusted at will between 0MPa and 31.5 MPa.
3. Has the functions of energy conservation and emission reduction: when the system pressure of the hydraulic support reaches the set pressure of 31.5MPa, the one-way overflow valve keeps the pressure of the hydraulic system, the pumped emulsion is automatically unloaded, and the motor runs in a no-load mode, so that the power consumption is reduced.
4. The automatic unloading one-way overflow valve of the whole mining emulsion 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 automatic unloading one-way overflow valve of the mining emulsion pump;
in the figure:
the unloading valve comprises an unloading valve block (1), a pressure regulating locking nut (2), a pressure regulating bolt (3), a spring seat (4), a high-pressure spring (5), an unloading liquid hole (6), a backwater K-shaped joint (7), a high-pressure water outlet K-shaped joint (8), a check valve spring (9), a check valve core (10), a pilot liquid hole (11), a high-pressure push rod (12), a pressure gauge joint (13), a piston locking nut (14), a push rod piston (15) and a valve block liquid inlet K-shaped joint (16).
Detailed Description
The automatic unloading one-way overflow valve of the mining emulsion pump comprises an unloading valve block (1), a pressure regulating locking nut (2), a pressure regulating bolt (3), a spring seat (4), a high-pressure spring (5), an unloading liquid hole (6), a backwater K-shaped joint (7), a high-pressure water outlet K-shaped joint (8), a one-way valve spring (9), a one-way valve core (10), a pilot liquid hole (11), a high-pressure push rod (12), a pressure gauge joint (13), a piston locking nut (14), a push rod piston (15) and a valve block liquid inlet K-shaped joint (16); the high-pressure valve is characterized in that a high-pressure spring (5), a spring seat (4) and a pressure regulating bolt (3) are sequentially arranged in a pressure regulating locking nut (2), the pressure regulating locking nut (2) is arranged on the left side of an unloading valve block (1), a push rod piston (15) is arranged on a high-pressure push rod (12) and locked by a piston locking nut (14), the high-pressure push rod (12) is arranged on the right side of the unloading valve block (1), the left end of the high-pressure push rod is tightly pressed by the high-pressure spring (5), and the right end of the high-pressure push rod; the valve block liquid inlet K-shaped joint (16) is installed on the lower side of the unloading valve block (1), the water return K-shaped joint (7) is installed on the upper side of the unloading valve block (1), the high-pressure water outlet K-shaped joint (8) is installed on the upper side of the unloading valve block (1), the check valve spring (9) is installed in the check valve core (10), the check valve core (10) is installed in the unloading valve block (1) and is tightly pressed by the high-pressure water outlet K-shaped joint (8), and the automatic unloading one-way overflow valve of the mining emulsion pump is formed.
When the unloading valve works, pumped emulsion enters the unloading valve block (1) through the valve block liquid inlet K-shaped joint (16), enters the high-pressure water outlet K-shaped joint (8) through the high-pressure push rod (12), the one-way valve spring (9) and the one-way valve core (10), and is conveyed to the underground hydraulic support through the high-pressure rubber pipe to be supplied with liquid; the clockwise rotation pressure regulating bolt (3) regulates the thrust of the high-pressure spring (5) to the high-pressure push rod (12), and the pressure of an overflow valve hydraulic system is set to be 31.5 MPa; when the pressure of the hydraulic support reaches the set pressure of 31.5MPa, high-pressure liquid transmits the pressure to the push rod piston (15) through the pilot liquid hole (11), so that the high-pressure push rod (12) overcomes the elasticity of the high-pressure spring (5) to move leftwards, the unloading hole is opened at the moment, and pumped emulsion enters the backwater K-type joint (7) through the unloading hole (6) and begins to overflow; the one-way valve core (10) moves backwards under the thrust of the one-way valve spring (9) and high-pressure liquid, so that the emulsified liquid of the hydraulic support cannot flow backwards, and the one-way hydraulic lock pressure maintaining and supporting effect is achieved; when the pumped emulsion is unloaded, the pressure of the emulsion in the unloading hole is reduced to be close to 0MPa, so that the high-pressure pump is operated under pressure relief and no-load operation, the effects of energy conservation and emission reduction are achieved, and the design purpose of the automatic unloading one-way overflow valve of the mining emulsion pump is achieved.
When the mining emulsion pump stops working, the power supply high-pressure pump is closed to stop supplying liquid, the mining emulsion pump is arranged in a dry place to be air-dried, so that the mining emulsion pump can be prevented from being rusted, and the mining emulsion pump can be normally used for a long time.
Practice proves that the maximum bearing pressure section of the internal and external circulation partial pressure shunt valve of the mining development machine spray pump manufactured according to the scheme is 50MPa, 40MPa, 30MPa and 26 MPa; the flow range of the internal and external circulation partial pressure flow divider valve of the mining development machine spray pump is 120L/min, 100L/min, 80L/min and 60L/min.
Claims (2)
1. The automatic unloading one-way overflow valve of the mining emulsion pump comprises an unloading valve block (1), a pressure regulating locking nut (2), a pressure regulating bolt (3), a spring seat (4), a high-pressure spring (5), an unloading liquid hole (6), a backwater K-shaped joint (7), a high-pressure water outlet K-shaped joint (8), a one-way valve spring (9), a one-way valve core (10), a pilot liquid hole (11), a high-pressure push rod (12), a pressure gauge joint (13), a piston locking nut (14), a push rod piston (15) and a valve block liquid inlet K-shaped joint (16); the pressure regulating valve is characterized in that the high-pressure spring (5), the spring seat (4) and the pressure regulating bolt (3) are sequentially arranged in the pressure regulating lock nut (2), the pressure regulating lock nut (2) is arranged on the left side of the unloading valve block (1), the push rod piston (15) is arranged on the high-pressure push rod (12) and locked by the piston lock nut (14), the high-pressure push rod (12) is arranged on the right side of the unloading valve block (1), the left end of the high-pressure push rod is tightly pressed by the high-pressure spring (5), and the right end of the high-pressure push rod is locked; the valve block liquid inlet K-shaped joint (16) is installed on the lower side of the unloading valve block (1), the water return K-shaped joint (7) is installed on the upper side of the unloading valve block (1), the high-pressure water outlet K-shaped joint (8) is installed on the upper side of the unloading valve block (1), the check valve spring (9) is installed in the check valve core (10), the check valve core (10) is installed in the unloading valve block (1) and is tightly pressed by the high-pressure water outlet K-shaped joint (8), and the automatic unloading one-way overflow valve of the mining emulsion pump is formed.
2. The automatic unloading one-way overflow valve of the mining emulsion pump according to claim 1, wherein pumped emulsion enters the unloading valve block (1) through a valve block liquid inlet K-shaped joint (16), enters a high-pressure water outlet K-shaped joint (8) through a high-pressure push rod (12), a one-way valve spring (9) and a one-way valve core (10), and is conveyed to a mine underground hydraulic support through a high-pressure rubber pipe to supply liquid; rotating the pressure regulating bolt (3) clockwise to regulate the thrust of the high-pressure spring (5) to the high-pressure push rod (12), and setting the pressure of an overflow valve hydraulic system to be 31.5 MPa; when the pressure of the hydraulic support reaches the set pressure of 31.5MPa, high-pressure liquid transmits the pressure to the push rod piston (15) through the pilot liquid hole (11), so that the high-pressure push rod (12) overcomes the elasticity of the high-pressure spring (5) to move leftwards, the unloading hole is opened at the moment, and pumped emulsion enters the backwater K-type joint (7) through the unloading hole (6) and begins to overflow; the one-way valve core (10) moves backwards under the thrust of the one-way valve spring (9) and high-pressure liquid, so that the emulsified liquid of the hydraulic support cannot flow backwards, and the one-way hydraulic lock pressure maintaining and supporting effect is achieved; when the pumped emulsion is unloaded, the pressure of the emulsion in the unloading hole is reduced to be close to 0MPa, so that the high-pressure pump is operated under pressure relief and no-load operation, the effects of energy conservation and emission reduction are achieved, and the design purpose of the automatic unloading one-way overflow valve of the mining emulsion pump is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766042.0U CN210829703U (en) | 2019-10-21 | 2019-10-21 | Automatic unloading one-way overflow valve of mining emulsion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766042.0U CN210829703U (en) | 2019-10-21 | 2019-10-21 | Automatic unloading one-way overflow valve of mining emulsion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210829703U true CN210829703U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921766042.0U Active CN210829703U (en) | 2019-10-21 | 2019-10-21 | Automatic unloading one-way overflow valve of mining emulsion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210829703U (en) |
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2019
- 2019-10-21 CN CN201921766042.0U patent/CN210829703U/en active Active
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