CN219220916U - Online hydraulic main pipeline overhauling device - Google Patents
Online hydraulic main pipeline overhauling device Download PDFInfo
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- CN219220916U CN219220916U CN202320123615.8U CN202320123615U CN219220916U CN 219220916 U CN219220916 U CN 219220916U CN 202320123615 U CN202320123615 U CN 202320123615U CN 219220916 U CN219220916 U CN 219220916U
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Abstract
The utility model discloses an online hydraulic main pipeline maintenance device which comprises a hydraulic station, wherein an oil tank is arranged in the hydraulic station, a liquid level meter is arranged on one side outside the oil tank, a main pump is arranged on one side above the oil tank, and a one-way valve is arranged on one side of the main pump; the main pipe pressure measuring point is arranged on one side above the first Y oil return pipe, an oil return pipe pressure measuring point is arranged below the main pipe pressure measuring point, and an oil return pipe Y pressure measuring point is arranged below the oil return pipe pressure measuring point and the oil return pipe Y pressure measuring point. This on-line hydraulic main line overhauls device compares with current device, in case pressure is unusual, carries the oil tank back through second ball valve and first Y time oil return pipe with hydraulic oil, and the hydraulic valve normal operating hydraulic oil on the valve bench body drives the pneumatic cylinder action, arranges main pipe pressure measurement point, time oil pipe Y pressure measurement point at various main line ends of valve bench body, and is effectual in on-the-spot use, has reduced the oil leak and has reduced equipment cost of maintenance simultaneously.
Description
Technical Field
The utility model relates to the technical field of hydraulic main pipeline overhaul, in particular to an online hydraulic main pipeline overhaul device.
Background
The hydraulic system is frequently used in metallurgical steel rolling enterprises, because the hydraulic system needs to be operated on line during routine maintenance and overhaul, for safety, the pressure in a pipeline at an operating point must be relieved, a hydraulic station stops pumping, but when the pipeline is processed, because the pipeline in a pipeline is overlong, the hydraulic pipe in the pipeline must be free of oil to operate, the influence of oil release is long, and because the overhaul time is limited and the oil in the pipeline is excessive, the naked emission can cause pollution and waste, the novel method is needed to solve the problems, the on-site production requirement is ensured, and the on-line hydraulic main pipeline overhaul device is used from disuse.
When the existing oil leakage defect at the end part of the treatment pipeline is overcome, the pipeline in the pipeline is overlong, the hydraulic pipe in the pipeline can be operated only when no oil exists, the oil is discharged at the end part of the main pipeline of the valve table for a long time, and the pollution and the waste can be caused by the exposed discharge due to the limited overhaul time and excessive oil in the pipeline.
Disclosure of Invention
The utility model aims to provide an online hydraulic main pipeline overhauling device so as to solve the problems caused by the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an on-line hydraulic main line service apparatus comprising: the hydraulic station is internally provided with an oil tank, a liquid level meter is arranged on one side outside the oil tank, a main pump is arranged on one side above the oil tank, a one-way valve is arranged on one side of the main pump, a first Y oil return pipe is arranged above one side of the one-way valve, a T oil return pipe is arranged on one side of the first Y oil return pipe, and a P oil filler pipe is arranged on one side of the T oil return pipe;
the second Y oil return pipe is arranged on the other side above the oil tank, a P main oil pipe is arranged on one side of the second Y oil return pipe, a first energy accumulator is arranged above the P main oil pipe, and a first ball valve is arranged in the first energy accumulator;
the second energy accumulator is arranged on one side above the first energy accumulator, a second ball valve is arranged on one side of the second energy accumulator, a hydraulic cylinder is arranged in the second energy accumulator, a valve table body is arranged below the hydraulic cylinder, and a hydraulic valve is arranged below the valve table body;
the main pipe pressure measuring point is arranged on one side above the first Y oil return pipe, an oil return pipe pressure measuring point is arranged below the main pipe pressure measuring point, and an oil return pipe Y pressure measuring point is arranged below the oil return pipe pressure measuring point and the oil return pipe Y pressure measuring point;
and the nitrogen gas charging device is arranged on one side outside the hydraulic station, and a pressure-connection point connector is arranged in the nitrogen gas charging device.
Preferably, the oil tank forms a communication structure with the P filler pipe through the main pump and the one-way valve, and the P filler pipe is communicated with the valve table body.
Preferably, the first accumulator is in threaded connection with the hydraulic station, and the first accumulator is connected with the P filler pipe.
Preferably, the P main oil pipe is communicated with the oil tank through a communication structure formed between the first ball valve and the second Y oil return pipe.
Preferably, the second accumulator is connected with the valve table body, and the second ball valve is communicated with the oil tank through a first Y oil return pipe.
Preferably, the valve table body is connected with a hydraulic valve, the hydraulic valve is connected with a hydraulic cylinder, and the main pipe pressure measuring point, the oil return pipe pressure measuring point and the oil return pipe Y pressure measuring point are parallel to each other.
Preferably, the pressure-receiving point connector is further provided with:
the nitrogen receiving bottle connector is arranged below one side of the pressure receiving tap connector, a nitrogen bottle body is arranged below the nitrogen receiving bottle connector, and a pressure gauge is arranged above one side of the pressure receiving tap connector.
Compared with the prior art, the utility model provides an online hydraulic main pipeline overhauling device, which has the following beneficial effects:
according to the utility model, after the hydraulic oil is sucked into the valve table body through the oil tank through the main pump, the hydraulic oil is conveyed to the valve table body through the hydraulic oil pipe and the P oil pipe through the one-way valve, a first energy accumulator is arranged in the hydraulic station for stabilizing the pressure and flow of the hydraulic oil in the P oil pipe, once the pressure of the hydraulic oil in the P oil pipe is abnormal, the hydraulic oil is conveyed to the oil return tank through the second Y oil return pipe after being stabilized through the P main oil pipe and the pressure of the first ball valve is relieved, the hydraulic oil conveyed to the valve table body is stabilized through the second energy accumulator, once the pressure is abnormal, the hydraulic valve on the valve table body normally operates the hydraulic oil to drive the hydraulic cylinder to act, and a main pipe pressure measuring point, an oil return pipe pressure measuring point and an oil return pipe Y pressure measuring point are arranged at the ends of various main pipelines of the valve table body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. a hydraulic station; 2. a liquid level gauge; 3. a main pump; 4. a one-way valve; 5. a first Y oil return pipe; 6. t returns the oil pipe; 7. p is poured into the oil pipe; 8. a second Y oil return pipe; 9. p main oil pipe; 10. a first accumulator; 11. a first ball valve; 12. a second accumulator; 13. a hydraulic cylinder; 14. a second ball valve; 15. a valve table body; 16. a main pipe pressure measuring point; 17. a pressure measuring point of an oil return pipe; 18. the pressure measuring point of the oil return pipe Y; 19. a nitrogen gas charging device; 20. an oil tank; 21. a pressure measuring point joint is connected; 22. a nitrogen receiving cylinder joint; 23. a hydraulic valve; 24. a nitrogen cylinder body; 25. a pressure gauge.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, an on-line hydraulic main line inspection device includes: the hydraulic station 1, the inside of the hydraulic station 1 is provided with an oil tank 20, one side outside the oil tank 20 is provided with a liquid level meter 2, one side above the oil tank 20 is provided with a main pump 3, one side of the main pump 3 is provided with a one-way valve 4, one side above the one side of the one-way valve 4 is provided with a first Y oil return pipe 5, one side of the first Y oil return pipe 5 is provided with a T oil return pipe 6, and one side of the T oil return pipe 6 is provided with a P oil injection pipe 7; the second Y oil return pipe 8 is arranged on the other side above the oil tank 20, a P main oil pipe 9 is arranged on one side of the second Y oil return pipe 8, a first energy accumulator 10 is arranged above the P main oil pipe 9, the P main oil pipe 9 and the second Y oil return pipe 8 form a communication structure through a first ball valve 11, and the second Y oil return pipe 8 and the oil tank 20 are mutually communicated; once the pressure of the hydraulic oil in the P oil filling pipe 7 is abnormal, the pressure is stabilized through the P main oil pipe 9 and is released through the first ball valve 11, and then the hydraulic oil is conveyed to the oil return tank 20 through the second Y oil return pipe 8; a first ball valve 11 is installed inside the first accumulator 10; the first energy accumulator 10 is in threaded connection with the hydraulic station 1, and the first energy accumulator 10 is connected with the P filler pipe 7; a first accumulator 10 is also arranged in the hydraulic station 1 for stabilizing the pressure and flow of the hydraulic oil in the P filler pipe 7; a nitrogen gas charging device 19 installed at one side outside the hydraulic station 1, wherein a pressure-connection point joint 21 is provided inside the nitrogen gas charging device 19; a second accumulator 12 installed at one side above the first accumulator 10, a second ball valve 14 installed at one side of the second accumulator 12, a hydraulic cylinder 13 installed inside the second accumulator 12, a valve table body 15 installed below the hydraulic cylinder 13, and a fuel tank 20 forming a communication structure with the P filler pipe 7 through the main pump 3 and the check valve 4, and the P filler pipe 7 communicating with the valve table body 15; hydraulic oil can be sucked into the back stroke high-pressure oil from the oil tank 20 through the main pump 3, and is sent to the valve table body 15 through the hydraulic and P filler pipe 7 after passing through the one-way valve 4; a hydraulic valve 23 is arranged below the valve table body 15; the second accumulator 12 is connected with the valve table body 15, and the second ball valve 14 is communicated with the oil tank 20 through the first Y oil return pipe 5; the hydraulic oil delivered to the valve table body 15 is stabilized by the second accumulator 12, and once the pressure is abnormal, the hydraulic oil is delivered back to the oil tank 20 through the second ball valve 14 and the first Y-shaped oil return pipe 5; a main pipe pressure point 16 which is arranged on one side above the first Y oil return pipe 5, an oil return pipe pressure point 17 is arranged below the main pipe pressure point 16, and an oil return pipe Y pressure point 18 is arranged below the oil return pipe pressure point 17 and the oil return pipe Y pressure point 18; the valve table body 15 is connected with the hydraulic valve 23, the hydraulic valve 23 is connected with the hydraulic cylinder 13, and the main pipe pressure measuring point 16, the oil return pipe pressure measuring point 17 and the oil return pipe Y pressure measuring point 18 are parallel to each other; the hydraulic valve 23 on the valve table body 15 normally operates hydraulic oil to drive the hydraulic cylinder 13 to act, and the main pipe pressure measuring point 16, the oil return pipe pressure measuring point 17 and the oil return pipe Y pressure measuring point 18 are arranged at the end parts of various main pipelines of the valve table body 15.
Working principle: when the online hydraulic main pipeline maintenance device is used, firstly, a manufactured nitrogen gas charging device 19, a pressure gauge 25 and a pressure connection point joint 21 in the nitrogen gas charging device are respectively arranged on main pipelines of a main pipeline pressure measurement point 16, an oil return pipeline pressure measurement point 17 and an oil return pipeline Y pressure measurement point 18, a hydraulic station 1 is stopped, a valve platform body 15 near an operation point is utilized to open a second ball valve 14 arranged on a second energy accumulator 12, pipeline pressure is relieved, and meanwhile, a first ball valve 11 connected between a first energy accumulator 10 and an oil tank 20 on a P main oil pipe 9 enters the hydraulic station 1 is opened, so that hydraulic oil is ensured to return to the oil tank 20 through a second Y oil return pipeline 8, and meanwhile, the liquid level change value of the liquid level meter 2 is observed and recorded; then the nitrogen cylinder body 24 is opened, nitrogen enters the nitrogen gas charging device 19 through the pipeline nitrogen gas cylinder joint 22, after being respectively connected with the main pipe pressure measuring point 16, the oil return pipe pressure measuring point 17 and the oil return pipe Y pressure measuring point 18 through the pressure connecting point joint 21, hydraulic oil is discharged to the oil return box 20 through the P oil filling pipe 7, the T oil return pipe 6 and the first Y oil return pipe 5, and when the value of the pressure gauge 25 on the nitrogen gas charging device 19 is reduced, the pressure reduction of the nitrogen cylinder body 24 is proved; and finally, closing the ball valve on the nitrogen charging device 19, replacing the nitrogen cylinder body 24, continuing to operate, stopping charging nitrogen after observing that the liquid level meter 2 is unchanged, and performing maintenance operation, namely the working principle of the online hydraulic main pipeline maintenance device.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An on-line hydraulic main line service apparatus, comprising:
the hydraulic station (1), the inside of hydraulic station (1) is provided with oil tank (20), and one side outside oil tank (20) is installed level gauge (2), main pump (3) are installed to one side of oil tank (20) top, and one side of main pump (3) is installed check valve (4), first Y returns oil pipe (5) are installed to the top of check valve (4) one side, and one side of first Y returns oil pipe (5) is installed T returns oil pipe (6), P filler pipe (7) are installed to one side of T returns oil pipe (6);
the second Y oil return pipe (8) is arranged on the other side above the oil tank (20), a P main oil pipe (9) is arranged on one side of the second Y oil return pipe (8), a first energy accumulator (10) is arranged above the P main oil pipe (9), and a first ball valve (11) is arranged inside the first energy accumulator (10);
the second energy accumulator (12) is arranged on one side above the first energy accumulator (10), a second ball valve (14) is arranged on one side of the second energy accumulator (12), a hydraulic cylinder (13) is arranged in the second energy accumulator (12), a valve table body (15) is arranged below the hydraulic cylinder (13), and a hydraulic valve (23) is arranged below the valve table body (15);
a main pipe pressure measurement point (16) which is arranged on one side above the first Y oil return pipe (5), an oil return pipe pressure measurement point (17) is arranged below the main pipe pressure measurement point (16), and an oil return pipe Y pressure measurement point (18) is arranged below the oil return pipe pressure measurement point (17) and the oil return pipe Y pressure measurement point (18);
and the nitrogen gas charging device (19) is arranged on one side outside the hydraulic station (1), and a pressure-measuring point joint (21) is arranged inside the nitrogen gas charging device (19).
2. An on-line hydraulic main line inspection device according to claim 1, characterized in that the oil tank (20) is connected to the P-filler pipe (7) through the main pump (3) and the check valve (4), and the P-filler pipe (7) is connected to the valve body (15).
3. An on-line hydraulic main line service device according to claim 1, characterized in that the first accumulator (10) is screwed with the hydraulic station (1) and the first accumulator (10) is connected with the P filler pipe (7).
4. An on-line hydraulic main line service device according to claim 1, characterized in that the P main oil pipe (9) forms a communication structure with the second Y oil return pipe (8) through the first ball valve (11), and the second Y oil return pipe (8) is mutually communicated with the oil tank (20).
5. An on-line hydraulic main line service device according to claim 1, characterized in that the second accumulator (12) is connected to the valve table body (15), and the second ball valve (14) is in communication with the tank (20) via the first Y-return line (5).
6. An on-line hydraulic main line service apparatus according to claim 1, wherein the valve table body (15) is connected with a hydraulic valve (23), and the hydraulic valve (23) is connected with a hydraulic cylinder (13), and the main pipe pressure point (16), the return pipe pressure point (17) and the return pipe Y pressure point (18) are parallel to each other.
7. An on-line hydraulic main line service device according to claim 1, characterized in that said pressure tap joint (21) is further provided with:
the nitrogen receiving bottle connector (22) is arranged below one side of the pressure receiving joint (21), a nitrogen bottle body (24) is arranged below the nitrogen receiving bottle connector (22), and a pressure gauge (25) is arranged above one side of the pressure receiving joint (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123615.8U CN219220916U (en) | 2023-01-16 | 2023-01-16 | Online hydraulic main pipeline overhauling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123615.8U CN219220916U (en) | 2023-01-16 | 2023-01-16 | Online hydraulic main pipeline overhauling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219220916U true CN219220916U (en) | 2023-06-20 |
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ID=86753058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320123615.8U Active CN219220916U (en) | 2023-01-16 | 2023-01-16 | Online hydraulic main pipeline overhauling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219220916U (en) |
-
2023
- 2023-01-16 CN CN202320123615.8U patent/CN219220916U/en active Active
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