CN217769497U - Top shaft oil pressure flow control device of phase modifier - Google Patents
Top shaft oil pressure flow control device of phase modifier Download PDFInfo
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- CN217769497U CN217769497U CN202221757986.3U CN202221757986U CN217769497U CN 217769497 U CN217769497 U CN 217769497U CN 202221757986 U CN202221757986 U CN 202221757986U CN 217769497 U CN217769497 U CN 217769497U
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Abstract
The utility model discloses a phase modifier jackshaft oil pressure flow control device, by the oil tank, jackshaft oil pump and motor, the C manometer, the overflow valve, the A governing valve, the B governing valve, the A check valve, the B check valve, A precision control valve, the B manometer, B manometer and pipeline are constituteed, the oil tank provides the oil supply for the device, jackshaft oil pump and motor step up fluid, overflow valve in the oil pump export branch discharges unnecessary fluid in the oil tank, make oil pump export C manometer in the design value within range, through tentatively adjusting the A governing valve, B governing valve and precision control A precision control valve, B precision control valve, control jackshaft oil pressure flow makes rotor and bearing interval and A manometer, B manometer numerical value satisfies the designing requirement, ensure that the phase modifier is opening, shut down in-process rotor and axle bush can not take place the friction and burn the tile, the operation of safety and stability.
Description
Technical Field
The utility model relates to a phase modifier lubricating oil system field especially relates to a phase modifier jackshaft oil pressure flow control device.
Background
The jacking oil pressure flow control device is an important component in a phase modulator lubricating oil system, and the jacking oil is used for jacking a rotor to a certain height when the phase modulator starts and stops the rotor at a lower rotating speed, so that the rotor is prevented from being in direct contact with a bearing bush to generate friction, and the phase modulator rotor and the bearing bush are prevented from being damaged to cause accidents. The rotor is in high-speed rotation state when the phase modifier normally operates, the rotor can overcome the action of gravity and rotate around the bearing bush center, need not jackshaft oil and jack up certain height with the rotor, but when the phase modifier started or shut down, the rotor rotational speed is low, the rotor receives the action of gravity will be direct with the bearing bush contact, can produce very big frictional force between rotor and the bearing bush under this state and lead to burning the tile, consequently need jackshaft oil to jack up the rotor and keep the determining deviation between messenger rotor and the bearing bush, avoid them to take place the friction and damage equipment. The utility model discloses can open at the phase modifier, shut down in-process control jackshaft oil pressure flow, control adjustment rotor and axle bush interval satisfy the designing requirement, ensure unit safety and stability operation, equipment does not receive the damage.
Disclosure of Invention
To the phase modifier start, shut down in-process, the rotor need keep certain interval with the axle bush within a definite time, avoid their contact to take place the friction and damage equipment, cause the accident, the utility model provides a jacking oil pressure flow control device, control adjustment rotor and axle bush interval satisfy system design requirement, control accuracy, simple operation guarantee that the phase modifier starts, shuts down the operation safety.
The technical scheme of the utility model is that: the utility model provides a phase modifier jackshaft oil pressure flow control device, by the oil tank, jackshaft oil pump and motor, the C manometer, the overflow valve, the A governing valve, the B governing valve, the A check valve, the B check valve, the A precision control valve, the B precision control valve, the A manometer, B manometer and pipeline are constituteed, jackshaft oil pump and motor bolted connection are in the oil tank top, C manometer threaded connection is on jackshaft oil pump and motor outlet pipe way, the C pipeline branch is separated in jackshaft oil pump and motor export, the A pipeline branch, the B pipeline branch, form wholly.
In the phase modifier top shaft oil pressure flow control device, the C pipeline branch is in threaded connection with an overflow valve and then is in threaded connection with an oil tank.
In the phase modifier top shaft oil pressure flow control device, the pipeline A branch is sequentially in threaded connection with the regulating valve A, the check valve A and the precision regulating valve A, and then is welded to the excitation end bearing inlet of the phase modifier, and the pressure gauge A is in threaded connection with the outlet pipeline of the precision regulating valve A.
In above-mentioned phase modifier apical axis oil pressure flow control device, B pipeline branch is threaded connection B governing valve, B check valve, B precision adjusting valve successively, welded connection is again to the dish car end bearing entry of phase modifier, and B manometer threaded connection is on B precision adjusting valve outlet pipe way.
The utility model has the advantages that:
the phase modifier top shaft oil pressure flow control device enables the outlet pressure of a top shaft oil pump to meet the design requirements by adjusting an overflow valve, respectively adjusts 2 adjusting valves to enable high-pressure top shaft oil to enter a phase modifier excitation end bearing and a barring end bearing to jack a rotor to a certain height, and then adjusts 2 precision adjusting valves to accurately control the top shaft oil pressure flow, so that the distance between the phase modifier rotor and a bearing bush meets the design requirements, and the phase modifier is ensured to be safe in starting and stopping operation.
The utility model has the characteristics of the design is ripe, and operation safety, reliability etc. satisfy the phase modifier completely and open the machine, shut down in-process rotor and axle bush can not take place the demand that the friction damaged equipment, causes the accident.
Description of the drawings:
FIG. 1 is a schematic diagram of a hydraulic control device for the top shaft oil pressure of a phase modifier.
Description of reference numerals: the system comprises a 1-oil tank, a 2-top shaft oil pump and motor, a 3-C pressure gauge, a 4-overflow valve, a 5-A regulating valve, a 6-B regulating valve, a 7-A check valve, an 8-B check valve, a 9-A precision regulating valve, a 10-B precision regulating valve, a 11-A pressure gauge, a 12-B pressure gauge, a 13-pipeline, a 14-C pipeline branch, a 15-A pipeline branch and a 16-B pipeline branch.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the technical solution of the present invention is: the phase-modulating engine consists of an oil tank 1, a top shaft oil pump and motor 2, a C pressure gauge 3, an overflow valve 4, an A regulating valve 5, a B regulating valve 6, an A check valve 7, a B check valve 8, an A precision regulating valve 9, a B precision regulating valve 10, an A pressure gauge 11, a B pressure gauge 12 and a pipeline 13, wherein the top shaft oil pump and motor 2 is in bolted connection above the oil tank 1, the C pressure gauge 3 is in threaded connection with an outlet pipeline 13 of the top shaft oil pump and motor 2, 3 branches are separated from the outlet pipeline 13 of the top shaft oil pump and motor 2, a branch 14 of the C pipeline is in threaded connection with the overflow valve 4 and then is in threaded connection with the oil tank 1, a branch 15 of the A pipeline is in threaded connection with the A regulating valve 5, the A check valve 7 and the A precision regulating valve 9 and then is in welded connection with an excitation end bearing inlet of the phase-modulating engine, the A pressure gauge 11 is in threaded connection with the outlet pipeline 13 of the A precision regulating valve 9, a branch 16 of the B regulating valve 6, the B check valve 8 and the B precision regulating valve 10 and then is in threaded connection with a bearing inlet of the phase-modulating engine dial, and 12 and a precision regulating valve 13 of the B regulating engine.
When the pressure of the top shaft oil flow of the phase modifier is adjusted and controlled, firstly, an overflow valve 4 on a C pipeline branch 14 is adjusted to discharge redundant oil into an oil tank 1, a C pressure gauge 3 is enabled to be within a design value range, an A regulating valve 5 and a B regulating valve 6 on an A pipeline branch 15 and a B pipeline branch 16 are adjusted to enable high-pressure top shaft oil to respectively enter a phase modifier excitation end bearing and a barring end bearing to jack a rotor to a certain height, then an A precision regulating valve 9 and a B precision regulating valve 10 at inlets of the phase modifier excitation end bearing and the barring end bearing are adjusted, the top shaft oil pressure flow is precisely controlled to enable the distance between the rotor and a bearing bush and the numerical values of the A pressure gauge 11 and the B pressure gauge 12 to be within a design value required range, and an A check valve 7 and a B check valve 8 can prevent the top shaft oil supply from being abnormal, the state of the distance between the rotor and the bearing bush of the phase modifier is maintained within a certain time, and the phenomenon that the rotor and the bearing cannot generate friction to cause tile burning and cause accidents in the phase modifier starting and stopping processes is ensured.
The working principle is as follows: the oil tank 1 is an oil container and provides an oil source for a device, a top shaft oil pump and a motor 2 boost the oil, the numerical value of an A pressure gauge 11 is higher than a designed value, an overflow valve 4 on a C pipeline branch 14 is adjusted to discharge redundant oil into the oil tank 1, the C pressure gauge 3 is adjusted within the designed value range, high-pressure top shaft oil on an A pipeline branch 15, an A regulating valve 5 and a B regulating valve 6 on a B pipeline branch 16 respectively enter a phase modifier excitation end bearing and a jigger end bearing to jack a rotor to a certain height, but the numerical values of a rotor distance, a bearing bush distance, an A pressure gauge 11 and a B pressure gauge 12 are not within the designed value range, the A regulating valve 5 and the B regulating valve 6 are far away from a phase modifier bearing, the top shaft oil pressure flow is difficult to adjust so that the rotor distance and the bearing bush distance meet the design requirements, the A precision regulating valve 9 and the B precision regulating valve 10 at the inlets of the phase modifier excitation end bearing and the jigger end bearing are adjusted, the top shaft flow is precisely controlled so that the rotor distance, the B pressure gauge 11 and the bearing bush 12 are within the designed value range, the A7 and the B check valve are always kept in a certain time to prevent the rotor distance from being damaged during the phase modifier and the phase modifier, and the rotor distance during the phase modifier.
It is above, only the embodiment of the utility model is not right the utility model discloses do any restriction, all according to the utility model discloses any simple modification, change and the equivalent structure change of technical essence to the above embodiment do all still belong to the utility model discloses in technical scheme's the protection scope.
Claims (4)
1. The utility model provides a phase modulation machine jackshaft oil pressure flow control device which characterized by: by oil tank (1), apical axis oil pump and motor (2), C manometer (3), overflow valve (4), A governing valve (5), B governing valve (6), A check valve (7), B check valve (8), A precision adjusting valve (9), B precision adjusting valve (10), A manometer (11), B manometer (12) and pipeline (13) are constituteed, apical axis oil pump and motor (2) bolted connection are in oil tank (1) top, C manometer (3) threaded connection is on apical axis oil pump and motor (2) export pipeline (13), apical axis oil pump and motor (2) export branch of C pipeline (14), A pipeline branch (15), B pipeline branch (16), form wholly.
2. A condenser jack oil pressure flow control device according to claim 1, characterized in that: and the C pipeline branch (14) is in threaded connection with an overflow valve (4) and then is in threaded connection with the oil tank (1).
3. The apparatus for controlling the pressure of oil flowing through the head shaft of a phase modulation machine according to claim 1, wherein: the pipeline A branch (15) is sequentially in threaded connection with the regulating valve A (5), the check valve A (7) and the precision regulating valve A (9) and then is connected to the excitation end bearing inlet of the phase modulator in a welding mode, and the pressure gauge A (11) is in threaded connection with the outlet pipeline (13) of the precision regulating valve A (9).
4. A condenser jack oil pressure flow control device according to claim 1, characterized in that: the pipeline B branch (16) is in threaded connection with the regulating valve B (6), the check valve B (8) and the precision regulating valve B (10) successively, then is connected to an inlet of a bearing at the turning end of the phase modifier in a welding mode, and the pressure gauge B (12) is in threaded connection with an outlet pipeline (13) of the precision regulating valve B (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221757986.3U CN217769497U (en) | 2022-07-08 | 2022-07-08 | Top shaft oil pressure flow control device of phase modifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221757986.3U CN217769497U (en) | 2022-07-08 | 2022-07-08 | Top shaft oil pressure flow control device of phase modifier |
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| Publication Number | Publication Date |
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| CN217769497U true CN217769497U (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221757986.3U Active CN217769497U (en) | 2022-07-08 | 2022-07-08 | Top shaft oil pressure flow control device of phase modifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117348613A (en) * | 2023-11-02 | 2024-01-05 | 国网青海省电力公司 | Oil pressure and flow control system for top shaft of camera |
-
2022
- 2022-07-08 CN CN202221757986.3U patent/CN217769497U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117348613A (en) * | 2023-11-02 | 2024-01-05 | 国网青海省电力公司 | Oil pressure and flow control system for top shaft of camera |
| CN117348613B (en) * | 2023-11-02 | 2024-03-26 | 国网青海省电力公司 | Oil pressure and flow control system for top shaft of camera |
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