CN220060071U - Hydraulic control double-pressure valve group - Google Patents
Hydraulic control double-pressure valve group Download PDFInfo
- Publication number
- CN220060071U CN220060071U CN202321488383.2U CN202321488383U CN220060071U CN 220060071 U CN220060071 U CN 220060071U CN 202321488383 U CN202321488383 U CN 202321488383U CN 220060071 U CN220060071 U CN 220060071U
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- hydraulic control
- hydraulic
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- 230000009977 dual effect Effects 0.000 claims 4
- 239000002360 explosive Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of hydraulic control pressure valves, and discloses a hydraulic control double-pressure valve group, which comprises a valve block, wherein a hydraulic lock is arranged on the side surface of the valve block, a first overflow valve and a second overflow valve are arranged on the upper surface of the valve block, the first overflow valve is close to one side of the hydraulic lock, an oil inlet P port, an oil return T port and a hydraulic control PP port are arranged on the outer surface of the valve block, and the oil inlet P port and the hydraulic control PP port are symmetrically distributed about the hydraulic lock. Preferably, the outer surface of the valve block is provided with two through holes, and the through holes are positioned below the oil return port T. The hydraulic control double-pressure valve group can realize remote hydraulic control, is suitable for a high-pressure control system with remote hydraulic control requirements at the high-pressure and low-pressure use stage of a control system main pressure, and is mainly used for occasions with inflammable and explosive mines.
Description
Technical Field
The utility model relates to the technical field of hydraulic control pressure valves, in particular to a hydraulic control double-pressure valve group.
Background
Hydraulic control valves refer to hydraulic transmission systems or elements of hydraulic control systems used to control the pressure, flow and direction of a fluid. Wherein the control pressure is called a pressure control valve, the control flow is called a flow control valve, and the control on, off and flow direction are called a direction control valve.
The existing hydraulic control valve has the problem that remote hydraulic control is difficult, is inconvenient to control the high and low pressure use stage of the main pressure of the system, is not suitable for the high and low pressure control system with remote hydraulic control requirements, has a small use range, and is not suitable for being used in the occasion that a mine has inflammability and explosiveness.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the hydraulic control double-pressure valve group, solves the problem of difficult remote hydraulic control, is inconvenient to control the high and low pressure use stage of the main pressure of the system, is not suitable for the high and low pressure control system with remote hydraulic control requirements, has a small application range, and is not suitable for being used in the occasion with inflammable and explosive mine.
The utility model provides the following technical scheme: the hydraulic control double-pressure valve group comprises a valve block, a hydraulic lock is arranged on the side face of the valve block, a first overflow valve and a second overflow valve are arranged on the upper surface of the valve block, the first overflow valve is arranged on one side close to the hydraulic lock, an oil inlet P port, an oil return T port and a hydraulic control PP port are arranged on the outer surface of the valve block, and the oil inlet P port and the hydraulic control PP port are symmetrically distributed with respect to the hydraulic lock.
Preferably, the outer surface of the valve block is provided with two through holes, and the through holes are positioned below the oil return port T.
Preferably, the hydraulic lock is connected with the hydraulic control PP port.
Preferably, the oil inlet P port is connected with a hydraulic lock, the hydraulic lock is connected with a first overflow valve, the first overflow valve is connected with an oil return T port, the first overflow valve is connected with a second overflow valve, and the second overflow valve is connected with the oil inlet P port.
Preferably, the pressure of the second overflow valve is set to be higher than that of the first overflow valve, and the oil inlet P is connected with the main pressure of the system.
Compared with the prior art, the utility model provides the hydraulic control double-pressure valve group, which has the following beneficial effects:
(1) When the hydraulic control PP port does not have hydraulic control pressure oil, the hydraulic lock is closed, and when the system main pressure is higher than the set pressure of the second overflow valve, the system main pressure high pressure oil is unloaded through the second overflow valve, and the system main pressure is in a high pressure use stage.
(2) When the hydraulic control pressure oil exists in the hydraulic control PP port, the hydraulic lock is started, oil inlet at the oil P port is communicated with the oil inlet of the first overflow valve through the hydraulic lock, and when the system main pressure is higher than the set pressure of the first overflow valve, the system main pressure high-pressure oil is unloaded through the first overflow valve, and the system main pressure is in a low-pressure use stage.
(3) The hydraulic control double-pressure valve group can realize remote hydraulic control, is suitable for a high-pressure control system with remote hydraulic control requirements at the high-pressure and low-pressure use stage of a control system main pressure, and is mainly used for occasions with inflammable and explosive mines.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a schematic side view of the present utility model;
FIG. 4 is a schematic top view of the present utility model;
fig. 5 is a schematic diagram of the principle structure of the hydraulic pipeline of the present utility model.
In the figure: 1. a valve block; 2. a hydraulic lock; 3. a first overflow valve; 4. a second overflow valve; 5. an oil inlet P port; 6. an oil return port T; 7. a hydraulically controlled PP port; 8. and a through hole.
Detailed Description
Referring to fig. 1-5, the hydraulic control double-pressure valve group comprises a valve block 1, a hydraulic lock 2 is installed on the side surface of the valve block 1, a first overflow valve 3 and a second overflow valve 4 are installed on the upper surface of the valve block 1, the first overflow valve 3 is located on one side close to the hydraulic lock 2, an oil inlet P port 5, an oil return T port 6 and a hydraulic control PP port 7 are arranged on the outer surface of the valve block 1, the oil inlet P port 5 and the hydraulic control PP port 7 are symmetrically distributed with respect to the hydraulic lock 2, two through holes 8 are formed on the outer surface of the valve block 1, the through holes 8 are located below the oil return T port 6, the hydraulic lock 2 is connected with the hydraulic control PP port 7, the oil inlet P port 5 is connected with the hydraulic lock 2, the hydraulic lock 2 is connected with the first overflow valve 3, the first overflow valve 3 is connected with the second overflow valve 4, the second overflow valve 4 is connected with the oil inlet P port 5, the pressure of the second overflow valve 4 is set higher than the first overflow valve 3, and the oil inlet P port is connected with the system main pressure, so that the valve group is connected with the system.
When the hydraulic control PP port 7 is not provided with hydraulic control pressure oil, the hydraulic lock 2 is closed, and when the system main pressure is higher than the set pressure of the second overflow valve 4, the system main pressure high pressure oil is unloaded through the second overflow valve 4, and the system main pressure is in a high pressure use stage.
When the hydraulic control PP port 7 is provided with hydraulic control pressure oil, the hydraulic lock 2 is started, oil inlet at the oil P port 5 is communicated with the oil inlet of the first overflow valve 3 through the hydraulic lock 2, and when the system main pressure is higher than the set pressure of the first overflow valve 3, the system main pressure high pressure oil is unloaded through the first overflow valve 3, and the system main pressure is in a low pressure use stage.
In summary, the hydraulic control double-pressure valve group can realize remote hydraulic control, is suitable for the high-pressure and low-pressure control system with remote hydraulic control requirements in the use stage of the main pressure of the control system, and is mainly used in the occasion that mines have inflammability and explosiveness.
Claims (5)
1. The utility model provides a hydraulically controlled double pressure valves, includes valve piece (1), its characterized in that: the side-mounting of valve piece (1) has hydraulic pressure lock (2), the last surface mounting of valve piece (1) has first overflow valve (3) and second overflow valve (4), first overflow valve (3) are located one side that is close to hydraulic pressure lock (2), the surface of valve piece (1) is equipped with oil feed P mouth (5), oil return T mouth (6) and hydraulically controlled PP mouth (7), oil feed P mouth (5) and hydraulically controlled PP mouth (7) are about hydraulic pressure lock (2) symmetric distribution.
2. The hydraulically controlled dual pressure valve block of claim 1, wherein: the outer surface of the valve block (1) is provided with two through holes (8), and the through holes (8) are positioned below the oil return T port (6).
3. The hydraulically controlled dual pressure valve block of claim 1, wherein: the hydraulic lock (2) is connected with the hydraulic control PP port (7).
4. The hydraulically controlled dual pressure valve block of claim 1, wherein: the oil inlet P port (5) is connected with the hydraulic lock (2), the hydraulic lock (2) is connected with the first overflow valve (3), the first overflow valve (3) is connected with the oil return T port (6), the first overflow valve (3) is connected with the second overflow valve (4), and the second overflow valve (4) is connected with the oil inlet P port (5).
5. The hydraulically controlled dual pressure valve block of claim 1, wherein: the pressure of the second overflow valve (4) is set to be higher than that of the first overflow valve (3), and the oil inlet P port is connected with the main pressure of the system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321488383.2U CN220060071U (en) | 2023-06-12 | 2023-06-12 | Hydraulic control double-pressure valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321488383.2U CN220060071U (en) | 2023-06-12 | 2023-06-12 | Hydraulic control double-pressure valve group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060071U true CN220060071U (en) | 2023-11-21 |
Family
ID=88758881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321488383.2U Active CN220060071U (en) | 2023-06-12 | 2023-06-12 | Hydraulic control double-pressure valve group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060071U (en) |
-
2023
- 2023-06-12 CN CN202321488383.2U patent/CN220060071U/en active Active
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