CN214366943U - Movable marine drilling and workover rig standby hydraulic station - Google Patents
Movable marine drilling and workover rig standby hydraulic station Download PDFInfo
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- CN214366943U CN214366943U CN202022830361.2U CN202022830361U CN214366943U CN 214366943 U CN214366943 U CN 214366943U CN 202022830361 U CN202022830361 U CN 202022830361U CN 214366943 U CN214366943 U CN 214366943U
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Abstract
The utility model provides a reserve hydraulic pressure station of movable ocean drilling and workover rig, including air cleaner, fuel feeding oil filter, oil return oil filter, oil tank, motor, shaft coupling, hydraulic pump, overflow valve, pressure switch, oil feed check valve, manual proportional combination valve, balanced valve, brake valve group and synchronizing valve. The utility model discloses can be when former workover rig hydraulic oil pump or make up under the unable prosthetic condition of short time that breaks down, movable workover rig hydraulic pressure station can replace trouble hydraulic pressure station at once, provides the hydraulic pressure source that satisfies actuating mechanism service condition.
Description
Technical Field
The utility model relates to a petrochemical's technical field, more specifically relates to a reserve hydraulic pressure station of movable ocean drilling and workover rig.
Background
In the operation process of the marine workover rig, the transmission of a hydraulic winch, the movement of the workover rig, the lifting of a derrick, the working of equipment such as a hydraulic cat head, a hydraulic tong, a blowout preventer lifting and moving device and the like can not be separated from the conventional power provided by a hydraulic system. The hydraulic power system is the most important component of the workover rig, and the failure rate also increases year by year along with the year increase of the conventional workover, major workover and adjustment well operations. The completion of the time and volume conservation of the operation cannot be guaranteed.
At present, the marine workover rig in a Bohai sea parcel is divided into two power modes of mechanical drive and electric drive, and a hydraulic power system of the mechanically driven workover rig drives an oil pump for a diesel engine to form a power source; the electrically driven workover rig is provided with an independent hydraulic station, and a 380V motor is adopted to drive a liquid pump to provide a power source. Under long-time running state, the damage of different degree can appear in hydraulic oil pump internal seal spare part, center spring, variable mechanism, join in marriage the food tray etc. and various troubles also can appear in its power supply of drive moreover, because space restriction and maintenance man-hour are longer, if the spare part is imported spare part, then the time of change spare part repair equipment is prolonged greatly, leads to the workover rig to stop boring, the big incident appears even.
Therefore, there is a need in the art for a hydraulic station that has a simple structure and is portable and portable to move, and that can completely provide a power source required for operation and can be moved to any platform at any time when the originally equipped hydraulic station of the marine workover rig fails or cannot be used.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a movable ocean bores reserve hydraulic pressure station of workover rig.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a standby hydraulic station of a movable marine drilling and workover rig comprises an air filter, an oil supply filter, an oil return filter, an oil tank, a motor, a coupler, a hydraulic pump, an overflow valve, a pressure switch, an oil supply one-way valve, a manual proportional combination valve, a balance valve, a brake valve group and a synchronous valve, wherein the air filter, the oil supply filter and the oil return filter are all arranged on the oil tank, the oil tank is also provided with a liquid level meter, the oil supply filter is connected with an oil supply pipeline, the oil return filter is connected with an oil return pipeline, and the hydraulic pump, the overflow valve, the pressure switch and the one-way valve are sequentially arranged on the oil supply pipeline; the manual proportional combination valve is a four-way reversing valve, a C1 port of the manual proportional combination valve is connected with an oil supply pipeline, a C2 port of the manual proportional combination valve is connected with an oil return pipeline, a C3 port of the manual proportional combination valve is connected with an E1 port of the balance valve, and a C4 port of the manual proportional combination valve is connected with an E3 port, a third port B1, a fourth port B2 of the balance valve and an N2 port of the brake valve group; the port E2 of the balance valve is connected with the synchronous valve, the port N1 of the brake valve group and a drain port A, and the synchronous valve is also connected with a first port A1 and a second port A2; the part of the oil supply pipeline between the hydraulic pump and the oil supply one-way valve is respectively connected with the inlet of the overflow valve and the pressure switch, and the outlet of the overflow valve is connected with an oil return pipeline; the pressure switch is connected with a pressure gauge; the hydraulic pump is connected with the coupler, and the coupler is connected with the motor.
The brake valve group comprises four one-way valves, namely a D1 valve, a D2 valve, a D3 valve and a D4 valve, the D1 valve and the D2 valve are arranged in opposite directions, the D3 valve and the D4 valve are arranged in opposite directions, an outlet of the D1 valve and an inlet of the D3 valve are connected with an N1 port, an outlet of the D2 valve and an inlet of the D4 valve are connected with an N2 port, a pipeline connecting the inlet of the D1 valve and the inlet of the D2 valve is connected with a pipeline connecting the outlet of the D3 valve and the outlet of the D4 valve through connecting pipelines, and a control switch is arranged on the connecting pipeline.
The balance valve is an externally controlled one-way sequence valve.
The utility model discloses compare prior art's beneficial effect is: when the original workover rig hydraulic oil pump or the combined hydraulic station has a fault and cannot be repaired in a short time, the movable workover rig hydraulic station can immediately replace the fault hydraulic station to provide a hydraulic source meeting the use condition of an actuating mechanism, and can also provide a hydraulic power source to move and avoid a drilling ship to operate when new equipment is not debugged; meanwhile, the pressure test and the function test of hydraulic equipment such as hydraulic tongs, hydraulic oil cylinders and the like after field maintenance can be realized; in addition, the additional power output can be provided when the originally configured hydraulic oil pump or hydraulic station cannot meet the additional power requirement after new hydraulic equipment is added to the workover rig.
Drawings
Fig. 1 is a schematic diagram of a hydraulic station.
Detailed Description
The invention will be further elucidated below on the basis of a specific embodiment.
The standby hydraulic station of the movable marine workover rig shown in fig. 1 comprises an air filter 2, an oil supply filter 3, an oil return filter 4, an oil tank 5, a motor 6, a coupler 7, a hydraulic pump 8, an overflow valve 9, a pressure switch 10, an oil supply one-way valve 12, a manual proportional combination valve 13, a balance valve 14, a brake valve group 15 and a synchronous valve 16, wherein the air filter 2, the oil supply filter 3 and the oil return filter 4 are all arranged on the oil tank 5, the oil tank 5 is also provided with a liquid level meter 1, the oil supply filter 3 is connected with an oil supply pipeline, the oil return filter 4 is connected with the oil return pipeline, and the hydraulic pump 8, the overflow valve 9, the pressure switch 10 and the oil supply one-way valve 12 are sequentially arranged on the oil supply pipeline; the manual proportional combination valve 13 is a four-way reversing valve, a port C1 of the manual proportional combination valve 13 is connected with an oil supply pipeline, a port C2 of the manual proportional combination valve 13 is connected with an oil return pipeline, a port C3 of the manual proportional combination valve 13 is connected with a port E1 of the balance valve 14, and a port C4 of the manual proportional combination valve 13 is connected with a port E3, a port third interface B1, a port fourth interface B2 of the balance valve 14 and a port N2 of the brake valve group 15; the E2 port of the balance valve 14 is connected with the synchronous valve 16, the N1 port of the brake valve group 15 and the oil drainage port A, the balance valve 14 is an externally controlled one-way sequence valve, the flow direction of oil of the E1 port and the E2 port is adjustable, and whether the E3 port is opened or not can be controlled. The brake valve group 15 comprises four one-way valves, namely a D1 valve, a D2 valve, a D3 valve and a D4 valve, the D1 valve and the D2 valve are arranged in opposite directions, the D3 valve and the D4 valve are arranged in opposite directions, an outlet of the D1 valve and an inlet of the D3 valve are connected with an N1 port, an outlet of the D2 valve and an inlet of the D4 valve are connected with an N2 port, a pipeline connecting the inlet of the D1 valve and the inlet of the D2 valve is connected with a pipeline connecting the outlet of the D3 valve and the outlet of the D4 valve through connecting pipelines, and a control switch is arranged on the connecting pipeline. The synchronizing valve 16 is also connected with a first port a1 and a second port a 2; the part of the oil supply pipeline between the hydraulic pump 8 and the oil supply one-way valve 12 is respectively connected with the inlet of the overflow valve 9 and the pressure switch 10, and the outlet of the overflow valve 9 is connected with the oil return pipeline; the pressure switch 10 is connected with a pressure gauge 11; the hydraulic pump 8 is connected with the coupler 7, and the coupler 7 is connected with the motor 6.
The starting motor 6 drives the hydraulic pump 8, the oil in the oil tank 5 is filtered by the oil supply filter 3 and then is supplied to the oil supply pipeline, and the oil enters the port C1 of the manual proportional compound valve 13 after passing through the oil supply one-way valve 12.
When the hydraulic station is in a forward oil supply working state, the first connector A1 and the second connector A2 are used as oil supply connectors, the third connector B1 and the fourth connector B2 are used as oil return connectors, the manual proportional combination valve 13 is adjusted, oil entering the port C1 flows out through the port C3 and enters the balance valve 14, at the moment, the oil drainage connector A is in a closed state, the port E3 is in an open state, the oil flows out through the port E2 and enters the synchronous valve 16, and finally, the oil synchronously enters the first connector A1 and the second connector A2 to be supplied with oil; part of oil flows out through an E3 port, returns to the manual proportional combination valve 13 through a C4 port and enters an oil return pipeline; meanwhile, the return oil directly enters the port C4 of the manual proportional combination valve 13 after passing through the third port B1 and the fourth port B2, then flows into a return oil pipeline through the port C2, is filtered by the return oil filter 4 and returns to the oil tank 5.
When the hydraulic station is in a reverse oil supply working state, the third interface B1 and the fourth interface B2 are used as oil supply interfaces, the first interface A1 and the second interface A2 are used as oil return interfaces, the manual proportional combination valve 13 is adjusted, oil entering the port C1 flows out through the port C4, enters the third interface B1 and the fourth interface B2 and is used as oil supply interfaces for supplying oil, at the moment, the oil drain interface A is in a closed state, and the port E3 is in a closed state; meanwhile, return oil enters the synchronizing valve 16 through the first connector A1 and the second connector A2, enters the balance valve 14 through the port E2, flows out through the port E1, enters the manual proportional combination valve 13 through the port C3, flows out through the port C2, enters an oil return pipeline, is filtered by the oil return oil filter 4 and returns to the oil tank 5.
In the oil supply process, the pressure switch 10 is kept in an open state, the pressure in the oil supply pipeline can be observed through the pressure gauge 11, when the pressure exceeds a preset value, the overflow valve 9 is opened, part of oil flows into the oil return pipeline, is filtered by the oil return oil filter 4 and returns to the oil tank 5.
When the hydraulic station is in an oil drainage working state, the oil drainage interface A is opened, the oil supply interface and the oil return interface are closed, and oil returns to the oil tank 5 through the balance valve 14, the manual proportional combination valve 13 and the oil return filter 4.
The oil quantity in the oil tank 5 can be observed at any time through the liquid level meter 1, and when the oil storage in the oil tank 5 reaches the effective volume, the hydraulic station is shut down and the oil tank 5 is emptied. The oil tank 5 is provided with 5 hydraulic power output ends and can be used for 2 walker oil cylinders, 2 derrick lifting oil cylinders, 2 derrick telescopic oil cylinders, 2 cat head oil cylinders and 2 hydraulic winches.
If the hydraulic station needs to be shut down, the hydraulic motor will continue to rotate for a period of time due to inertia. Because a connecting pipeline is arranged between a pipeline connecting the inlet of the D1 valve and the inlet of the D2 valve and a pipeline connecting the outlet of the D3 valve and the outlet of the D4 valve, at the moment, a switch on the connecting pipeline is opened, oil entering the brake valve group 15 through the N1 port flows through the D3 valve and the D2 valve in sequence, then flows out through the N2 port, enters the manual proportional combination valve 13 and finally enters an oil return pipeline; or, the oil entering the brake valve group 15 through the port N2 flows through the valve D4 and the valve D1 in sequence, then flows out through the port N1, enters the manual proportional combination valve 13, and finally enters an oil return pipeline.
The above description is only the preferred embodiment of the present invention, but the present invention is not limited to the above-mentioned specific embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (3)
1. A movable standby hydraulic station of an ocean drilling and workover rig is characterized by comprising an air filter (2), an oil supply filter (3), an oil return filter (4), an oil tank (5), a motor (6), a coupler (7), a hydraulic pump (8), an overflow valve (9), a pressure switch (10), an oil supply one-way valve (12), a manual proportional combination valve (13), a balance valve (14), a brake valve group (15) and a synchronous valve (16), the air cleaner (2), the oil supply filter (3), and the oil return filter (4) are all provided on the oil tank (5), the oil tank (5) is also provided with a liquid level meter (1), the oil supply filter (3) is connected with an oil supply pipeline, the return oil filter (4) is connected with a return oil pipeline, and the hydraulic pump (8), the overflow valve (9), the pressure switch (10) and the oil supply one-way valve (12) are sequentially arranged on the oil supply pipeline; the manual proportional combination valve (13) is a four-way reversing valve, a C1 port of the manual proportional combination valve (13) is connected with an oil supply pipeline, a C2 port of the manual proportional combination valve (13) is connected with an oil return pipeline, a C3 port of the manual proportional combination valve (13) is connected with an E1 port of the balance valve (14), and a C4 port of the manual proportional combination valve (13) is connected with an E3 port, a third port (B1), a fourth port (B2) of the balance valve (14) and an N2 port of the brake valve group (15); the E2 port of the balance valve (14) is connected with the synchronous valve (16), the N1 port of the brake valve group (15) and a drain port (A), and the synchronous valve (16) is also connected with a first port (A1) and a second port (A2); the part of the oil supply pipeline between the hydraulic pump (8) and the oil supply one-way valve (12) is respectively connected with the inlet of the overflow valve (9) and the pressure switch (10), and the outlet of the overflow valve (9) is connected with an oil return pipeline; the pressure switch (10) is connected with a pressure gauge (11); the hydraulic pump (8) is connected with the coupler (7), and the coupler (7) is connected with the motor (6).
2. The hydraulic station of a movable marine workover rig standby according to claim 1, wherein the brake valve group (15) comprises four one-way valves, namely a D1 valve, a D2 valve, a D3 valve and a D4 valve, the D1 valve and the D2 valve are arranged in opposite directions, the D3 valve and the D4 valve are arranged in opposite directions, an outlet of the D1 valve and an inlet of the D3 valve are connected with the N1 port, an outlet of the D2 valve and an inlet of the D4 valve are connected with the N2 port, a pipeline connecting the inlet of the D1 valve and an inlet of the D2 valve is connected with a pipeline connecting the outlet of the D3 valve and the outlet of the D4 valve through connecting pipelines, and a control switch is arranged on the connecting pipeline.
3. The mobile marine workover rig backup hydraulic station of claim 1, wherein the equalization valve (14) is an externally controlled one-way sequence valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022830361.2U CN214366943U (en) | 2020-11-30 | 2020-11-30 | Movable marine drilling and workover rig standby hydraulic station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022830361.2U CN214366943U (en) | 2020-11-30 | 2020-11-30 | Movable marine drilling and workover rig standby hydraulic station |
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| Publication Number | Publication Date |
|---|---|
| CN214366943U true CN214366943U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022830361.2U Active CN214366943U (en) | 2020-11-30 | 2020-11-30 | Movable marine drilling and workover rig standby hydraulic station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214366943U (en) |
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2020
- 2020-11-30 CN CN202022830361.2U patent/CN214366943U/en active Active
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