CN212429378U - Pressure regulating cover plate assembly and integrated valve block - Google Patents
Pressure regulating cover plate assembly and integrated valve block Download PDFInfo
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- CN212429378U CN212429378U CN202020876616.6U CN202020876616U CN212429378U CN 212429378 U CN212429378 U CN 212429378U CN 202020876616 U CN202020876616 U CN 202020876616U CN 212429378 U CN212429378 U CN 212429378U
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Abstract
The utility model discloses a pressure regulating cover plate component and an integrated valve block, wherein a valve block body of the pressure regulating cover plate component is provided with an oil inlet and an oil discharging port which are communicated with each other, and the valve block body is also provided with a first oil way, a second oil way, a third oil way and a fourth oil way which are respectively communicated with the oil inlet and the oil discharging port; the first oil way comprises a first electromagnetic valve, a first pressure measuring joint and a first overflow valve which are communicated in sequence; the second oil way comprises a second electromagnetic valve, a second pressure measuring joint and a second overflow valve which are communicated in sequence; the third oil way comprises a third electromagnetic valve, a third pressure measuring joint and a third overflow valve which are communicated in sequence; the fourth oil path comprises a fourth electromagnetic valve, a fourth pressure measuring joint and a fourth overflow valve which are communicated in sequence; the set pressure parameters of the first overflow valve, the second overflow valve, the third overflow valve and the fourth overflow valve are different. The utility model discloses a pressure adjustment apron subassembly compact structure, integrated level height, easy to operate and maintain.
Description
Technical Field
The utility model relates to a hydraulic pressure field, in particular to pressure regulation apron subassembly and integrated valve piece.
Background
The wind generating set integrated brake hydraulic unit is generally operated in a severe environment, and the operation period is long. The power device of the wind generating set integrated brake hydraulic unit mainly has the function of driving a yaw brake actuating mechanism and a high-speed shaft brake actuating mechanism, and is an active brake system. However, the existing power device has the defects of dispersed hydraulic units for providing power, unstable power, low reliability, poor safety and inconvenient maintenance.
Pressure regulation is one of the most important functions of a hydraulic system. The pressure regulating element can be connected to the hydraulic system in a number of different ways, such as: tubular connection, plate connection, stacked connection, two-way cartridge valve connection, threaded cartridge connection, and the like. With the rapid development of the connection mode of the components of the hydraulic system, the design of the hydraulic system can be developed towards the direction of being more compact, free to combine and convenient to exchange.
For a common threaded cartridge valve, the flow is limited or restricted, and for occasions with large flow requirements in engineering practice, a connection mode of combining a two-way valve and a threaded cartridge is usually adopted. Generally, a main valve element is a two-way cartridge valve with large through-flow capacity, and a pilot control cover plate part can be a standard pressure cover plate or can be specially customized according to specific requirements.
Accordingly, the standard pressure cover plate has a single structure and has at most two pressure levels. In addition, the cover plate adopts a superposed connection mode, so that leakage points are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough of current existence, the utility model provides a pressure adjustment apron subassembly and integrated valve piece.
The utility model discloses a realize through following technical scheme:
a pressure adjusting cover plate assembly comprises a valve block body, wherein an oil inlet and an oil outlet which are communicated are formed in the valve block body, and a first oil path, a second oil path, a third oil path and a fourth oil path which are respectively communicated with the oil inlet and the oil outlet are also formed in the valve block body; the first oil way comprises a first electromagnetic valve, a first pressure measuring joint and a first overflow valve which are communicated in sequence; the second oil way comprises a second electromagnetic valve, a second pressure measuring joint and a second overflow valve which are communicated in sequence; the third oil way comprises a third electromagnetic valve, a third pressure measuring joint and a third overflow valve which are communicated in sequence; the fourth oil path comprises a fourth electromagnetic valve, a fourth pressure measuring joint and a fourth overflow valve which are communicated in sequence; the set pressure parameters of the first overflow valve, the second overflow valve, the third overflow valve and the fourth overflow valve are different.
Further, the oil inlet and the oil discharge port are symmetrically arranged on the same side face of the valve block body.
Furthermore, two moment balance holes are further formed in the valve block body and are arranged on the side face, provided with the oil inlet, of the valve block body, and the moment balance holes are symmetrically arranged relative to the oil inlet and the oil discharge port.
Further, the pressure regulating cover plate assembly further comprises a throttling plug, and the throttling plug is arranged on the side face, provided with the oil inlet, of the valve block body.
Furthermore, the pressure adjusting cover plate assembly further comprises a process plug, and the process plug is arranged on the side face, provided with the first electromagnetic valve, of the valve block body.
Further, still be equipped with 4 mounting holes on the valve block body, the valve block body is the rectangle piece, the mounting hole sets up four angles of valve block body.
An integrated valve block comprising a main valve block and a pressure regulating cover plate assembly as described above.
The beneficial effects of the utility model reside in that: the multistage pressure regulation is realized by arranging the first oil way, the second oil way, the third oil way and the fourth oil way and utilizing the first overflow valve, the second overflow valve, the third overflow valve and the fourth overflow valve with different pressure parameters. The utility model discloses a pressure adjustment apron subassembly compact structure, integrated level height, easy to operate and maintain.
Drawings
Fig. 1 is an exploded view of a pressure regulating cover plate assembly according to a preferred embodiment of the present invention.
Fig. 2 is a schematic top view of a pressure-regulating cover plate assembly according to a preferred embodiment of the present invention.
Description of reference numerals:
pressure regulating cover plate assembly 100
Valve block body 11
Oil inlet 12
Fourth pressure tap 34
O-shaped ring 5
Art stopper 7
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.
As shown in fig. 1 to 2, the embodiment discloses a pressure-adjusting cover plate assembly 100, the pressure-adjusting cover plate assembly 100 includes a valve block body 11, an oil inlet 12 and an oil outlet 13 communicated with each other are disposed on the valve block body 11, and a first oil path, a second oil path, a third oil path and a fourth oil path communicated with the oil inlet 12 and the oil outlet 13 respectively are also disposed on the valve block body 11; the first oil path comprises a first electromagnetic valve 21, a first pressure measuring joint 31 and a first overflow valve 41 which are communicated in sequence; the second oil path comprises a second electromagnetic valve 22, a second pressure measuring joint 32 and a second overflow valve 42 which are communicated in sequence; the third oil path comprises a third electromagnetic valve 23, a third pressure measuring joint 33 and a third overflow valve 43 which are communicated in sequence; the fourth oil path comprises a fourth electromagnetic valve 24, a fourth pressure measuring joint 34 and a fourth overflow valve 44 which are communicated in sequence; the set pressure parameters of the first relief valve 41, the second relief valve 42, the third relief valve 43, and the fourth relief valve 44 are different.
The pressure-adjusting cover plate assembly 100 adjusts the multistage pressure by providing the first oil path, the second oil path, the third oil path, and the fourth oil path and by using the first relief valve 41, the second relief valve 42, the third relief valve 43, and the fourth relief valve 44 having different pressure parameters. The pressure regulating cover plate assembly 100 of the present embodiment has a compact structure, high integration level, and easy operation and maintenance. In addition, the pressure regulating cover plate assembly 100 of the embodiment has high integration level and reasonable component selection, only one valve block body 11 is needed, and the risk of a plurality of overlapped leakage positions is avoided; meanwhile, the operation and maintenance are easy, and the requirements of human engineering are met; the matching panel of the pressure regulating cover plate assembly 100 and the main valve block conforms to ISO 7368, and can be expanded to the standard serialization. The pressure regulating cover plate assembly 100 has an elegant appearance and a compact structure.
The present embodiment also discloses an integrated valve block, which includes a main valve block and the pressure-regulating cover plate assembly 100 as described above. An O-ring 5 may be disposed between the main valve block and the pressure regulating cover plate assembly 100, or the two may be connected through a mounting hole 8. The O-ring 5 functions to seal the oil passage after the pressure-regulating cover plate assembly 100 is fixedly connected to the main valve block. The O-shaped ring 5 plays a role in sealing, so that the normal pressure of the system is ensured, meanwhile, the leakage of oil is avoided, and the environmental pollution is avoided.
The valve block body 11 of the pressure regulating cover plate assembly 100 may be a hexagonal body, and a pore channel for realizing functions is designed inside and fixed with the main valve block through a hexagon socket head cap screw.
As an embodiment, the oil inlet 12 and the oil discharge port 13 are symmetrically disposed on the same side of the valve block body 11. The oil inlet 12 and the oil discharge port 13 are respectively communicated with a control oil source and an oil drainage channel on the main valve block, wherein the oil drainage channel is inevitably communicated with a system hydraulic oil tank.
For smoothing the moment, two moment balance holes 14 are further formed in the valve block body 11, and the moment balance holes 14 are formed in the side face, provided with the oil inlet 12, of the valve block body 11. And, the moment balance hole 14 is arranged symmetrically with respect to the oil inlet 12 and the oil discharge port 13.
In order to improve the stability of the fluid path, the pressure regulating cover plate assembly 100 further includes a throttle plug 6, and the throttle plug 6 is disposed on the side of the valve block body 11 where the oil inlet 12 is disposed. The throttle plug 6 is communicated with the control oil and the main valve core pilot control cavity through a long and thin small hole, and the pressure of the system is controlled to be stable through stable flow.
In a preferred embodiment, the pressure-regulating cover plate assembly 100 further includes a process plug 7, and the process plug 7 is disposed on the side of the valve block body 11 where the first solenoid valve 21 is disposed. The process plug 7 is a means for realizing the function of communicating pore canals, is not used as a working position, and can adopt ED sealing, thereby preventing the medium inside the valve block body 11 from leaking to the outside. The process plug 7 is inevitable in the design and manufacturing process and is an essential link for realizing the function of communicating pore canals,
for the convenience of installation, still be equipped with 4 mounting holes 8 on the valve block body 11, valve block body 11 is the rectangle piece, and mounting hole 8 sets up four angles at valve block body 11.
The first relief valve 41, the second relief valve 42, the third relief valve 43 and the fourth relief valve 44 of the pressure regulating cover plate assembly 100 may be four stages of different pressure levels, and the first solenoid valve 21, the second solenoid valve 22, the third solenoid valve 23 and the fourth solenoid valve 24 determine that the system works at different pressure levels through selection of switches.
The first pressure measuring joint 31, the second pressure measuring joint 32, the third pressure measuring joint 33 and the fourth pressure measuring joint 34 can detect pressure setting parameters of all levels. The technical plug 7, the throttling plug 6 and the O-shaped ring 5 can be regarded as accessories and are used as essential parts of the pressure regulating cover plate assembly 100 and have the functions of communicating pore channels, stabilizing flow and sealing respectively.
The valve block body 11 bears and connects the relation of each assembly component, and is connected with the threads of the main valve block through four uniformly distributed mounting holes 8. The interior of the valve block body 11 may be functionally connected to each of the operating positions by angled holes. The valve block body 11 can be used as a carrier of a threaded cartridge valve and related accessories through a machined pore passage, and has the function of realizing the on-off of a medium. The valve block body 11 can be made of a material selected according to actual working pressure, a 6061-T6 aluminum alloy is usually used at 0-21 Mpa, and a nodular cast iron QT450 or an imported material 65-4512 is used at-420 Mpa. The pore processing with the required control function is realized through a certain design and processing mode.
The first solenoid valve 21, the second solenoid valve 22, the third solenoid valve 23 and the fourth solenoid valve 24 can be thread-mounted solenoid valves, and can also be direct-acting two-position two-way solenoid valves, the cone valve structure avoids leakage, the cone valve structure is arranged at the front end of a pressure oil port of each overflow valve, and the cone valve structure can be opened by cutting off and opening a control solenoid valve core through a power signal, so that the purpose of selecting whether a rear-end overflow valve works is achieved.
The first overflow valve 41, the second overflow valve 42, the third overflow valve 43 and the fourth overflow valve 44 of the pressure regulating cover plate assembly 100 can be all thread-in-place overflow valves, the thread-in-place overflow valves are in a pilot mode, pressure can be accurately regulated, different pressure parameters can be set for each overflow valve according to needs, so that maximum four-stage pressure control is achieved, the overflow valves can be selected according to specific projects to reduce the number of the overflow valves and corresponding electromagnetic valves, and first-stage pressure control, second-stage pressure control and third-stage pressure control are respectively completed. The overflow valves can be used for completing pressure presetting in batches on the tool.
The first pressure measuring joint 31, the second pressure measuring joint 32, the third pressure measuring joint 33 and the fourth pressure measuring joint 34 of the pressure adjusting cover plate assembly 100 can be connected with a pressure gauge by pressure measuring pipelines, and are used for observing whether required parameter values are reached or not when overflow valve parameters are set.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (7)
1. A pressure adjusting cover plate assembly is characterized by comprising a valve block body, wherein an oil inlet and an oil outlet which are communicated are formed in the valve block body; the first oil way comprises a first electromagnetic valve, a first pressure measuring joint and a first overflow valve which are communicated in sequence; the second oil way comprises a second electromagnetic valve, a second pressure measuring joint and a second overflow valve which are communicated in sequence; the third oil way comprises a third electromagnetic valve, a third pressure measuring joint and a third overflow valve which are communicated in sequence; the fourth oil path comprises a fourth electromagnetic valve, a fourth pressure measuring joint and a fourth overflow valve which are communicated in sequence; the set pressure parameters of the first overflow valve, the second overflow valve, the third overflow valve and the fourth overflow valve are different.
2. The pressure regulator cover plate assembly of claim 1, wherein the oil inlet and the oil outlet are symmetrically disposed on a same side of the valve block body.
3. The pressure regulator cover plate assembly of claim 2, wherein the valve block body further defines two torque balance holes disposed on the side of the valve block body on which the oil inlet is disposed, and wherein the torque balance holes are symmetrically disposed with respect to the oil inlet and the oil discharge port.
4. The pressure regulator cover plate assembly of claim 2, further comprising a choke plug disposed on a side of the valve block body on which the oil inlet is disposed.
5. The pressure regulator cover plate assembly of claim 1, further comprising a process plug disposed on a side of the valve block body on which the first solenoid valve is disposed.
6. The pressure regulator cover plate assembly of claim 1, wherein the valve block body further comprises 4 mounting holes, the valve block body is a rectangular block, and the mounting holes are disposed at four corners of the valve block body.
7. An integrated valve block, comprising a main valve block and a pressure regulating cover plate assembly as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020876616.6U CN212429378U (en) | 2020-05-22 | 2020-05-22 | Pressure regulating cover plate assembly and integrated valve block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020876616.6U CN212429378U (en) | 2020-05-22 | 2020-05-22 | Pressure regulating cover plate assembly and integrated valve block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212429378U true CN212429378U (en) | 2021-01-29 |
Family
ID=74287285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020876616.6U Active CN212429378U (en) | 2020-05-22 | 2020-05-22 | Pressure regulating cover plate assembly and integrated valve block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212429378U (en) |
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2020
- 2020-05-22 CN CN202020876616.6U patent/CN212429378U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 600, changta Road, Songjiang District, Shanghai, 201617 Patentee after: Shanghai shengkesisi Hydraulic Co.,Ltd. Address before: No. 600, changta Road, Songjiang District, Shanghai, 201617 Patentee before: SHANGHAI SUCCESS HYDRAULICS PRESS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pressure regulating cover plate assembly and integrated valve block Effective date of registration: 20230105 Granted publication date: 20210129 Pledgee: Agricultural Bank of China Limited Shanghai Songjiang Sub-branch Pledgor: Shanghai shengkesisi Hydraulic Co.,Ltd. Registration number: Y2023980030417 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |