CN203230893U - Electric-manual pressure regulating valve - Google Patents
Electric-manual pressure regulating valve Download PDFInfo
- Publication number
- CN203230893U CN203230893U CN 201320224056 CN201320224056U CN203230893U CN 203230893 U CN203230893 U CN 203230893U CN 201320224056 CN201320224056 CN 201320224056 CN 201320224056 U CN201320224056 U CN 201320224056U CN 203230893 U CN203230893 U CN 203230893U
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- China
- Prior art keywords
- pressure
- push rod
- worm
- worm gear
- regulator valve
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- Expired - Lifetime
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Abstract
The utility model belongs to the technical field of drilling equipment and discloses an electric-manual pressure regulating valve for surface blowout preventer control equipment. The electric-manual pressure regulating valve comprises a pressure regulating mechanism which is connected to the lower end of a spring component. The upper end of the spring component is connected with the lower end of an ejector rod. The ejector rod passes through a worm gear with an internal thread. The middle of the ejector rod is provided with an external thread which meshes with the internal thread of the worm gear. The worm gear and a worm form a worm-gear mechanism. The worm is fixedly connected with an output shaft of an explosion-proof motor. A locking washer and a locking handle are mounted on the upper portion of the ejector rod. A pressure regulating handwheel is fixed at the top end of the ejector rod. The electric-manual pressure regulating valve has the advantages that the valve allows for bidirectional pressure regulation and allows for pressure rise and pressure drop; the valve allows for remotely controlled pressure regulation and also allows for manual pressure regulation; being independent of a gas source and pressure liquid in a system, the valve allows for normal pressure regulation as long as electricity is available; accordingly, reliability of the preventer control equipment is improved greatly; regulation precision is higher, and stability after pressure regulation is fine.
Description
Technical field
The utility model belongs to the drilling equipment technical field, and particularly control system of ground preventer specifically, is a kind of pressure regulator valve for control system of ground preventer.
Background technique
Control system of ground preventer is the hydraulic pressure installation for control blowout preventer set and the flap type that surges, and is requisite well control safety installations in drilling well and the workover eration.Pressure regulator valve is the important spare part in the control system of ground preventer, and it is reduced to required lower pressure with pressure higher in system's accumulator, for the different circuit of control gear provides required pressure.
At present, pressure regulator valve that can telecontrol mainly contain gas manually, several forms such as gas motor or hydraulic motor driving.Wherein the gas manual pressure regulating valve can only be on the basis of preset pressure unidirectional adjusting pressure, namely can only raise or reduce, in case system's source of the gas decompression, pressure regulator valve pressure will be got back to initial pressure, have a strong impact on the Security of system.The pressure regulator valve that gas motor or hydraulic motor drive, though it is constant to keep-up pressure, its pressure regulation ability relies on pressurized air or pressure liquid, in case system loses source of the gas or hydraulic pressure, for example cuts off the power supply, gas leakage, leakage, these two kinds of pressure regulator valves have just lost the pressure regulation ability.
As from the foregoing, if existing several pressure regulator valve is applied to the electronic control type control system of ground preventer, all can become the short slab of system reliability.Therefore, design a kind of quick reliable, being swift in response and being more suitable for the pressure regulator valve that the electronic control type control system of ground preventer uses just becomes inevitable requirement.
The model utility content
The purpose of this utility model provides a kind of pressure regulator valve that adopts new power source and can satisfy the demand of control gear pressure bidirectional modulation.
The technical solution adopted in the utility model is as follows:
A kind of electric hand moves pressure regulator valve, comprise pressure-regulating device, described pressure-regulating device connects the lower end of spring assembly, the upper end of described spring assembly 8 connects the lower end of push rod 4, described push rod passes the worm gear 7 of machining internal thread, the push rod threading and with the engagement of the internal thread of worm gear, described worm gear 7 is formed worm-and-wheel gears with worm screw 2, described worm screw 2 is fixedlyed connected with the output shaft of permissible motor 1.
Locking pad 6 and locking handle 5 are installed in the top of described push rod 4, and the top of push rod is pressure regulation handwheel 3 fixedly.
Described push rod 4 passes locking pad 6, and the two connects by spline structure.
The lower end of described push rod 4 is connected with spring assembly 8 upper end caps by bearing.
The explosion-proof type of described permissible motor 1 is flame-proof type or INCREASEDSAFETY.
The material of described worm gear 7 and locking pad 6 is brass.
The utlity model has following advantage and progress:
1. but realized bidirectional modulation pressure, can raise, can reduce again.
2. can pass through the pressure regulation of permissible motor telecontrol, also can be by pressure regulation handwheel manual voltage regulation.
3. drive the remote adjustment that has realized pressure by anti-explosion motor, do not rely on source of the gas and the pressure liquid of system, reduced the link of action, therefore the pressure regulator valve reaction than gas motor or hydraulic motor driving is rapider, and degree of regulation is higher.
4. by the latching characteristics of Worm and worm-wheel gearing, the pressure setting rear stability is very good.
5. this pressure regulator valve is particularly suitable for the electronic control type control system of ground preventer, particularly in the well site outage, can not provide under the compressed-air actuated situation, as long as the UPS of control gear has, system is normally pressure regulation just, makes the reliability of blowout preventing control apparatus be greatly improved.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1.
Embodiment
Following examples only are for the utility model example clearly is described, and are not the restriction to mode of execution of the present utility model.For those of ordinary skill in the field; on the basis of following explanation, can also make other multi-form variation or changes, and these belong to apparent variation or the change that the utility model spirit draws and still are among the protection domain of the present utility model.
As shown in Figure 1, 2, a kind of electric hand moves pressure regulator valve, comprises pressure-regulating device, and described pressure-regulating device connects the lower end of spring assembly.The upper end of described spring assembly 8 connects the lower end of push rod 4, and push rod 4 changes the power that is applied on the pressure-regulating device 9 by compression spring assembly 8, thereby realizes the adjusting of pressure.The lower end of described push rod 4 is connected with spring assembly 8 upper end caps by bearing.Described push rod passes the worm gear 7 of machining internal thread, push rod middle part threading and with the worm gear thread engagement, described worm gear 7 is formed worm-and-wheel gear with worm screw 2, described worm screw 2 is fixedlyed connected with the output shaft of permissible motor 1, and the explosion-proof type of described permissible motor 1 is flame-proof type or INCREASEDSAFETY.
Locking pad 6 and locking handle 5 are installed in the top of described push rod 4, and push rod 4 passes locking pad 6, and the two connects by spline structure, and this is prior art.The top of push rod is pressure regulation handwheel 3 fixedly.The material of described worm gear 7 and locking pad 6 is brass, has good lubricity, has guaranteed the flexible of its rotation.
Working principle of the present utility model is as follows:
As shown in Figure 1, 2, the output shaft of permissible motor 1 drives worm screw 2 and rotates, and worm screw 2 drives worm gear 7 and rotates, and permissible motor 1 can drive the forward or reverse operation by automatical control system, thereby makes worm gear 7 forward or reverse.Worm gear 7 and push rod 4 thread engagement, thus drive push rod 4 rotations, and the forward or reverse of worm gear 7 makes push rod 4 forward or reverse.When using long-range electronic pressure regulation, it is locked lock pad 6 with locking handle 5, and worm gear 7 drives push rods 4 and rotates, direction by conversion worm gear and push rod rotation, push rod 4 is moved up or down along the spline on top, drive spring assembly 8 to pressure-regulating device 9 application of forces, realize the adjusting of pressure.But realized bidirectional modulation pressure, can raise, can reduce again.When using manual tune, unclamp locking handle 5, rotate pressure regulation handwheel 3, drive push rod 4 and move up or down, drive spring assembly 8 to pressure-regulating device 9 application of forces, realization pressure is regulated.Described push rod 4 is connected with the spline structure of locking pad 6 and the structure of passing through the locked locking pad 6 of locking handle all is prior art.
Claims (6)
1. an electric hand moves pressure regulator valve, comprise pressure-regulating device, described pressure-regulating device connects the lower end of spring assembly, it is characterized in that, the upper end of described spring assembly (8) connects the lower end of push rod (4), and described push rod passes the worm gear (7) of machining internal thread, the push rod threading and with the internal thread engagement of worm gear, described worm gear (7) is formed worm-and-wheel gear with worm screw (2), and described worm screw (2) is fixedlyed connected with the output shaft of permissible motor (1).
2. the moving pressure regulator valve of a kind of electric hand as claimed in claim 1 is characterized in that locking pad (6) and locking handle (5) are installed in the top of described push rod (4), and the top of push rod is pressure regulation handwheel (3) fixedly.
3. the moving pressure regulator valve of a kind of electric hand as claimed in claim 2 is characterized in that, described push rod (4) passes locking pad (6), and the two connects by spline structure.
4. the moving pressure regulator valve of a kind of electric hand as claimed in claim 1 is characterized in that the lower end of described push rod (4) is connected with spring assembly (8) upper end cap by bearing.
5. the moving pressure regulator valve of a kind of electric hand as claimed in claim 1 is characterized in that the explosion-proof type of described permissible motor (1) is flame-proof type or INCREASEDSAFETY.
6. the moving pressure regulator valve of a kind of electric hand as claimed in claim 1 is characterized in that, the material of described worm gear (7) and locking pad (6) is brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320224056 CN203230893U (en) | 2013-04-27 | 2013-04-27 | Electric-manual pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320224056 CN203230893U (en) | 2013-04-27 | 2013-04-27 | Electric-manual pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203230893U true CN203230893U (en) | 2013-10-09 |
Family
ID=49287020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320224056 Expired - Lifetime CN203230893U (en) | 2013-04-27 | 2013-04-27 | Electric-manual pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203230893U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740797A (en) * | 2016-12-29 | 2017-05-31 | 浙江科力车辆控制系统有限公司 | A kind of adjustable relay valve |
| CN114321478A (en) * | 2021-12-27 | 2022-04-12 | 深圳芯闻科技有限公司 | Cut-off valve with smell recognition function |
-
2013
- 2013-04-27 CN CN 201320224056 patent/CN203230893U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740797A (en) * | 2016-12-29 | 2017-05-31 | 浙江科力车辆控制系统有限公司 | A kind of adjustable relay valve |
| CN106740797B (en) * | 2016-12-29 | 2019-02-15 | 浙江科力车辆控制系统有限公司 | A kind of adjustable relay valve |
| CN114321478A (en) * | 2021-12-27 | 2022-04-12 | 深圳芯闻科技有限公司 | Cut-off valve with smell recognition function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131009 |