CN215569631U - Pressure relief device and double-line grease lubricating system - Google Patents
Pressure relief device and double-line grease lubricating system Download PDFInfo
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- CN215569631U CN215569631U CN202120745024.5U CN202120745024U CN215569631U CN 215569631 U CN215569631 U CN 215569631U CN 202120745024 U CN202120745024 U CN 202120745024U CN 215569631 U CN215569631 U CN 215569631U
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- 230000001050 lubricating effect Effects 0.000 title abstract description 12
- 239000004519 grease Substances 0.000 title abstract description 7
- 239000003921 oil Substances 0.000 claims abstract description 204
- 239000010687 lubricating oil Substances 0.000 claims abstract description 58
- 238000005461 lubrication Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pressure relief device and a double-line grease lubricating system, and belongs to the technical field of lubricating systems. The pressure relief device comprises: a first oil port of the first joint is communicated with a first oil pipe; a first oil port of the first connecting pipe is communicated with a second oil outlet of the first joint, and a second oil outlet of the first connecting pipe is communicated with the first high-pressure ball valve; a first oil port of the second joint is communicated with a second oil pipe; and a first oil port of the second connecting pipe is communicated with a second oil outlet of the second joint, and a second oil outlet of the second connecting pipe is communicated with the first high-pressure ball valve. The pressure relief device and the double-line dry oil lubricating system can convey the lubricating oil of the oil outlet pipeline into the oil return pipeline for pressure relief, are convenient for dismantling equipment connected with the oil outlet pipeline, and avoid that the high-pressure oil in the oil outlet pipeline is sprayed out to easily hurt people.
Description
Technical Field
The utility model relates to the technical field of lubricating systems, in particular to a pressure relief device and a double-line grease lubricating system.
Background
The double-line grease centralized lubricating system is applied to various devices in metallurgical enterprises, and is characterized by multiple lubricating points, long pipelines and high pressure.
In practical application, especially during the maintenance, the double-line grease centralized lubricating system needs to remove the equipment connected with the oil outlet pipeline, and at this time, the oil outlet pipeline still has great residual pressure and is forcedly dismantled, so that the dismantling is difficult, and meanwhile, the high-pressure oil is sprayed to easily hurt people.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pressure relief device and a double-line dry oil lubricating system, which solve or partially solve the technical problems that in the prior art, equipment connected with an oil outlet pipeline is difficult to dismantle, and high-pressure oil in the oil outlet pipeline is easy to spray out to hurt people.
In order to solve the above technical problem, the present invention provides a pressure relief device comprising: the first connector, the second connector, the first connecting pipe, the second connecting pipe and the first high-pressure ball valve; a first oil port of the first joint is communicated with a first oil pipe; a first oil port of the first connecting pipe is communicated with a second oil outlet of the first joint, and a second oil outlet of the first connecting pipe is communicated with the first high-pressure ball valve; a first oil port of the second joint is communicated with a second oil pipe; and a first oil port of the second connecting pipe is communicated with a second oil outlet of the second joint, and a second oil outlet of the second connecting pipe is communicated with the first high-pressure ball valve.
Further, the first joint and the second joint are both tee pipe joints.
Further, the first joint includes: a first tube and a second tube; the first oil pipe includes: a first delivery pipe and a second delivery pipe; the first delivery pipe is communicated with the second delivery pipe through the first pipe; the first oil port of the second pipe is communicated with the first pipe, and the second oil port of the second pipe is communicated with the first connecting pipe.
Further, the diameter of the first tube corresponds to the diameter of the second tube.
Further, a second oil outlet of the first connecting pipe is communicated with the first high-pressure ball valve through a first welding joint; and a second oil outlet of the second connecting pipe is communicated with the first high-pressure ball valve through a second welding joint.
Further, the first welding joint is communicated with the first high-pressure ball valve through a first conical joint; the second welded joint is in communication with the first high pressure ball valve through a second tapered joint.
Further, a first sealing ring is arranged at the communication position of the first conical joint and the first high-pressure ball valve; and a second sealing ring is arranged at the communication position of the second taper joint and the first high-pressure ball valve. The application also provides a double-line dry oil lubricating system which comprises the pressure relief device.
Further, the dual-line dry oil lubrication system comprises: the lubricating oil tank is provided with a third conveying pipe, a fourth conveying pipe, an electromagnetic directional valve, a fifth conveying pipe, a sixth conveying pipe and a lubricating oil tank; a first oil port of the third conveying pipe is communicated with the first oil pipe, a second oil port of the third conveying pipe is communicated with a first port of the electromagnetic directional valve, and a second high-pressure ball valve is arranged on the third conveying pipe; a first oil port of the fourth conveying pipe is communicated with the second oil pipe, a second oil port of the fourth conveying pipe is communicated with a second port of the electromagnetic directional valve, and a third high-pressure ball valve is arranged on the fourth conveying pipe; a first oil port of the fifth conveying pipe is communicated with a third port of the electromagnetic directional valve, and a second oil port of the fifth conveying pipe is communicated with the lubricating oil tank; a first oil port of the sixth conveying pipe is communicated with a fourth port of the electromagnetic directional valve, a second oil port of the sixth conveying pipe is communicated with the lubricating oil tank, and a lubricating oil pump is arranged on the sixth conveying pipe; and a filter is arranged on the sixth conveying pipe.
Further, the double-line grease lubrication system also comprises a safety pipeline; the safety pipeline is communicated with the fifth conveying pipe and the sixth conveying pipe; and the safety pipeline is provided with a safety valve.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
because the first oil port of the first joint is communicated with the first oil pipe, the first oil port of the first connecting pipe is communicated with the second oil outlet of the first joint, the second oil outlet of the first connecting pipe is communicated with the first high-pressure ball valve, the first oil port of the second joint is communicated with the second oil pipe, the first oil port of the second connecting pipe is communicated with the second oil outlet of the second joint, and the second oil outlet of the second connecting pipe is communicated with the first high-pressure ball valve, when the first oil pipe is an oil outlet pipeline and the second oil pipe is an oil inlet pipeline and equipment connected with the oil outlet pipeline is to be removed, the first high-pressure ball valve is opened, lubricating oil in the first oil pipe enters the second oil pipe through the first joint, the first connecting pipe, the first high-pressure ball valve, the second connecting pipe and the second joint in sequence, the pressure of the first oil pipe is reduced, pressure relief is performed, when the second oil pipe is an oil outlet pipeline and the first oil pipe is an oil inlet pipeline, when the equipment connected with the oil outlet pipeline is to be dismantled, the first high-pressure ball valve is opened, lubricating oil in the second oil pipe sequentially passes through the second joint, the second connecting pipe, the first high-pressure ball valve, the first connecting pipe and the first joint to enter the first oil pipe, the pressure of the second oil pipe is reduced, the pressure is relieved, the equipment connected with the oil outlet pipeline is convenient to dismantle, and the phenomenon that people are easily injured by spraying high-pressure oil in the oil outlet pipeline is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a pressure relief device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a two-line dry oil lubrication system according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1, an embodiment of the present invention provides a pressure relief device including: the high-pressure ball valve comprises a first connector 1, a second connector 2, a first connecting pipe 3, a second connecting pipe 4 and a first high-pressure ball valve 5.
The first oil port of the first joint 1 is communicated with the first oil pipe 6.
A first oil port of the first connecting pipe 3 is communicated with a second oil outlet of the first joint 1, and a second oil outlet of the first connecting pipe 2 is communicated with the first high-pressure ball valve 5.
The first oil port of the second joint 2 is communicated with a second oil pipe 7.
A first oil port of the second connecting pipe 4 is communicated with a second oil outlet of the second joint 2, and a second oil outlet of the second connecting pipe 4 is communicated with the first high-pressure ball valve 5.
In the embodiment of the present application, since the first oil port of the first joint 1 is communicated with the first oil pipe 6, the first oil port of the first connecting pipe 3 is communicated with the second oil outlet of the first joint 1, the second oil outlet of the first connecting pipe 2 is communicated with the first high-pressure ball valve 5, the first oil port of the second joint 2 is communicated with the second oil pipe 7, the first oil port of the second connecting pipe 4 is communicated with the second oil outlet of the second joint 2, and the second oil outlet of the second connecting pipe 4 is communicated with the first high-pressure ball valve 5, when the first oil pipe 6 is an oil outlet pipeline and the second oil pipe 7 is an oil inlet pipeline and equipment connected with the oil outlet pipeline is to be removed, the first high-pressure ball valve 5 is opened, the lubricating oil in the first oil pipe 6 sequentially passes through the first joint 1, the first connecting pipe 3, the first high-pressure ball valve 5, the second connecting pipe 4 and the second joint 2 to enter the second oil pipe 7, so as to reduce the pressure of the first oil pipe 6, carry out the pressure release, be out oil pipe when second oil pipe 7, first oil pipe 6 is into oil pipe way, when dismantling the equipment of an oil pipe connection, open first high-pressure ball valve 5, lubricating oil in the second oil pipe 7 loops through second joint 2, second connecting pipe 4, first high-pressure ball valve 5, first connecting pipe 3 and first joint 1 get into in first oil pipe 6, reduce second oil pipe 7's pressure, carry out the pressure release, be convenient for dismantle the equipment of being connected with an oil pipe, avoid the high-pressure oil blowout among the oil pipe to hinder the people easily.
Specifically, the first joint 1 and the second joint 2 are both tee joints.
The first joint 1 includes: a first tube 1-1 and a second tube 1-2.
The first oil pipe 6 includes: a first delivery pipe 6-1 and a second delivery pipe 6-2.
The first delivery pipe 6-1 is communicated with the second delivery pipe 6-2 through the first pipe 1-1, so that the lubricating oil in the first oil pipe 6 can be ensured to stably run, and oil leakage is avoided.
The first oil port of the second pipe 1-2 is communicated with the first pipe 1-1, and the second oil port of the second pipe 1-2 is communicated with the first connecting pipe 3.
Wherein the structure of the second joint 2 is identical to the structure of the first joint 1.
When the first oil pipe 6 is an oil outlet pipeline, the high-pressure ball valve 5 is opened, and lubricating oil in the first oil pipe 6 enters the second oil pipe 7 through the first pipe 1-1 of the first joint 1, the second pipe 1-2 of the first joint 1, the first connecting pipe 3, the first high-pressure ball valve 5, the second connecting pipe 4, the first pipe of the second joint 2 and the second pipe of the second joint 2. When the second oil pipe 7 is an oil outlet pipeline, the high-pressure ball valve 5 is opened, and the lubricating oil in the second oil pipe 7 enters the first oil pipe 6 through the first pipe of the second joint 2, the second connecting pipe 4, the first high-pressure ball valve 5, the first connecting pipe 3, the first pipe 1-1 of the first joint 1 and the second pipe 1-2 of the first joint 1.
In the embodiment, the diameter of the first pipe 2-1 is consistent with that of the second pipe 2-2, so that stable conveying of the lubricating oil is ensured.
Specifically, the second oil outlet of the first connecting pipe 3 is communicated with the first high-pressure ball valve 5 through a first welded joint 8; the second oil outlet of the second connecting pipe 4 is communicated with the first high-pressure ball valve 5 through a second welding joint 9, so that lubricating oil can smoothly flow.
The first welding joint 8 is communicated with the first high-pressure ball valve 5 through a first conical joint; the second welding joint 9 is communicated with the first high-pressure ball valve 5 through a second taper joint, so that the sealing effect is ensured, and the leakage of lubricating oil is avoided. In the present embodiment, the first taper joint and the second taper joint may be 24-degree taper joints.
A first sealing ring is arranged at the communication position of the first conical joint and the first high-pressure ball valve 5; the second taper joint is provided with the second sealing washer with 5 intercommunications departments of first high-pressure ball valve, further guarantees sealed effect, avoids lubricating oil to leak.
The utility model further provides a double-line dry oil lubrication system, the double-line dry oil lubrication system adopts the pressure relief device, the specific structure of the pressure relief device refers to the embodiment, and the pressure relief device adopts all the technical schemes of all the embodiments, so that the double-line dry oil lubrication system at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.
Referring to fig. 2, the dual line dry oil lubrication system includes: a third delivery pipe 10, a fourth delivery pipe 11, an electromagnetic directional valve 12, a fifth delivery pipe 13, a sixth delivery pipe 14 and a lubricating oil tank 15.
A first oil port of the third conveying pipe 10 is communicated with the first oil pipe 6, a second oil port of the third conveying pipe 10 is communicated with a first port of the electromagnetic directional valve 12, and a second high-pressure ball valve 16 is arranged on the third conveying pipe 10.
A first oil port of the fourth delivery pipe 11 is communicated with the second oil pipe 7, a second oil port of the fourth delivery pipe 11 is communicated with a second port of the electromagnetic directional valve 12, and a third high-pressure ball valve 17 is arranged on the fourth delivery pipe 11.
A first oil port of the fifth delivery pipe 13 is communicated with a third port of the electromagnetic directional valve 12, and a second oil port of the fifth delivery pipe 13 is communicated with a lubricating oil tank 15.
A first oil port of the sixth delivery pipe 14 is communicated with a fourth port of the electromagnetic directional valve 12, a second oil port of the sixth delivery pipe 14 is communicated with a lubricating oil tank 15, and a lubricating oil pump 18 is arranged on the sixth delivery pipe 14.
The first oil pipe 6 is an oil outlet pipeline, and the second oil pipe 7 is an oil return pipeline.
When the lubricating oil pump works normally, the first high-pressure ball valve 5 is closed, the second high-pressure ball valve 16 and the third high-pressure ball valve 17 are opened, the lubricating oil pump 18 is started, the lubricating oil in the lubricating oil tank 15 is pumped to the fourth opening of the electromagnetic directional valve 12 through the sixth conveying pipe 14 by the lubricating oil pump 18, then the lubricating oil is conveyed to the third conveying pipe 10 through the first opening of the electromagnetic directional valve 12, then the lubricating oil is conveyed to the first oil pipe 6 through the third conveying pipe 10, the lubricating oil in the second oil pipe 7 is conveyed to the second opening of the electromagnetic directional valve 12 through the fourth conveying pipe 11, then the lubricating oil is conveyed to the fifth conveying pipe 13 through the third opening of the electromagnetic directional valve 12, and the lubricating oil is conveyed to the lubricating oil tank 15 through the fifth conveying pipe 13.
When the equipment connected with the oil outlet pipeline is dismounted, the second high-pressure ball valve 16 is closed, the first high-pressure ball valve 5 and the third high-pressure ball valve 17 are opened, lubricating oil in the first oil pipe 6 sequentially passes through the first joint 1, the first connecting pipe 3, the first high-pressure ball valve 5, the second connecting pipe 4 and the second joint 2 to enter the second oil pipe 7, the lubricating oil in the second oil pipe 7 is conveyed to the second opening of the electromagnetic reversing valve 12 through the fourth conveying pipe 11 and then conveyed into the fifth conveying pipe 13 through the third opening of the electromagnetic reversing valve 12, the lubricating oil is conveyed into the lubricating oil tank 15 through the fifth conveying pipe 13 to be decompressed, the equipment connected with the oil outlet pipeline is convenient to dismount, and the situation that high-pressure oil in the oil outlet pipeline is sprayed out to easily hurt people is avoided.
The first oil pipe 6 is an oil return pipeline, and the second oil pipe 7 is an oil outlet pipeline.
When the lubricating oil pump works normally, the first high-pressure ball valve 5 is closed, the second high-pressure ball valve 16 and the third high-pressure ball valve 17 are opened, the electromagnetic directional valve 12 conducts reversing, the lubricating oil pump 18 is started, the lubricating oil in the lubricating oil tank 15 is pumped to the fourth opening of the electromagnetic directional valve 12 through the sixth conveying pipe 14 by the lubricating oil pump 18, then the lubricating oil is conveyed to the fourth conveying pipe 11 through the second opening of the electromagnetic directional valve 12 and then conveyed to the second oil pipe 7 through the fourth conveying pipe 11, the lubricating oil in the first oil pipe 6 is conveyed to the second opening of the electromagnetic directional valve 12 through the third conveying pipe 10 and then conveyed to the fifth conveying pipe 13 through the third opening of the electromagnetic directional valve 12, and the lubricating oil is conveyed to the lubricating oil tank 15 through the fifth conveying pipe 13.
When the equipment connected with the oil outlet pipeline is dismounted, the third high-pressure ball valve 17 is closed, the first high-pressure ball valve 5 and the second high-pressure ball valve 16 are opened, lubricating oil in the second oil pipe 7 sequentially passes through the second joint 2, the second connecting pipe 4, the first high-pressure ball valve 5, the first connecting pipe 3 and the first joint 1 to enter the first oil pipe 6, the lubricating oil in the first oil pipe 6 is conveyed to the second opening of the electromagnetic reversing valve 12 through the third conveying pipe 10 and then conveyed into the fifth conveying pipe 13 through the third opening of the electromagnetic reversing valve 12, the lubricating oil is conveyed into the lubricating oil tank 15 through the fifth conveying pipe 13 to be decompressed, the equipment connected with the oil outlet pipeline is convenient to dismount, and the situation that high-pressure oil in the oil outlet pipeline is sprayed out to easily hurt people is avoided.
The sixth delivery pipe 14 is provided with a filter 19 for filtering the lubricating oil delivered by the sixth delivery pipe 14 to ensure the cleanness of the lubricating oil.
The two-line dry oil lubrication system further comprises a safety pipe 20.
The relief duct 20 communicates with the fifth delivery pipe 13 and the sixth delivery pipe 14.
The safety pipe 20 is provided with a safety valve 21.
When the oil pressure in the sixth delivery pipe 14 is too high, the safety valve 21 is opened, and the lubricating oil in the sixth delivery pipe 14 is delivered into the fifth delivery pipe 13 through the safety pipeline 20 and then delivered into the lubricating oil tank 15 through the fifth delivery pipe 13, so that the safety of the equipment is ensured.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A pressure relief device, comprising: the first connector, the second connector, the first connecting pipe, the second connecting pipe and the first high-pressure ball valve;
a first oil port of the first joint is communicated with a first oil pipe;
a first oil port of the first connecting pipe is communicated with a second oil outlet of the first joint, and a second oil outlet of the first connecting pipe is communicated with the first high-pressure ball valve;
a first oil port of the second joint is communicated with a second oil pipe;
and a first oil port of the second connecting pipe is communicated with a second oil outlet of the second joint, and a second oil outlet of the second connecting pipe is communicated with the first high-pressure ball valve.
2. The pressure relief device of claim 1, wherein:
the first joint and the second joint are both tee pipe joints.
3. The pressure relief device of claim 2, wherein the first connector comprises: a first tube and a second tube;
the first oil pipe includes: a first delivery pipe and a second delivery pipe;
the first delivery pipe is communicated with the second delivery pipe through the first pipe;
the first oil port of the second pipe is communicated with the first pipe, and the second oil port of the second pipe is communicated with the first connecting pipe.
4. The pressure relief device of claim 2, wherein:
the diameter of the first tube corresponds to the diameter of the second tube.
5. The pressure relief device of claim 1, wherein:
a second oil outlet of the first connecting pipe is communicated with the first high-pressure ball valve through a first welding joint;
and a second oil outlet of the second connecting pipe is communicated with the first high-pressure ball valve through a second welding joint.
6. The pressure relief device of claim 5, wherein:
the first welding joint is communicated with the first high-pressure ball valve through a first conical joint;
the second welded joint is in communication with the first high pressure ball valve through a second tapered joint.
7. The pressure relief device of claim 6, wherein:
a first sealing ring is arranged at the communication position of the first conical joint and the first high-pressure ball valve;
and a second sealing ring is arranged at the communication position of the second taper joint and the first high-pressure ball valve.
8. A dual line dry oil lubrication system comprising a pressure relief device as claimed in any one of claims 1 to 7.
9. The dual line dry oil lubrication system of claim 8, comprising: the lubricating oil tank is provided with a third conveying pipe, a fourth conveying pipe, an electromagnetic directional valve, a fifth conveying pipe, a sixth conveying pipe and a lubricating oil tank;
a first oil port of the third conveying pipe is communicated with the first oil pipe, a second oil port of the third conveying pipe is communicated with a first port of the electromagnetic directional valve, and a second high-pressure ball valve is arranged on the third conveying pipe;
a first oil port of the fourth conveying pipe is communicated with the second oil pipe, a second oil port of the fourth conveying pipe is communicated with a second port of the electromagnetic directional valve, and a third high-pressure ball valve is arranged on the fourth conveying pipe;
a first oil port of the fifth conveying pipe is communicated with a third port of the electromagnetic directional valve, and a second oil port of the fifth conveying pipe is communicated with the lubricating oil tank;
a first oil port of the sixth conveying pipe is communicated with a fourth port of the electromagnetic directional valve, a second oil port of the sixth conveying pipe is communicated with the lubricating oil tank, and a lubricating oil pump is arranged on the sixth conveying pipe;
and a filter is arranged on the sixth conveying pipe.
10. The dual line dry oil lubrication system of claim 9 further comprising a safety pipe;
the safety pipeline is communicated with the fifth conveying pipe and the sixth conveying pipe;
and the safety pipeline is provided with a safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120745024.5U CN215569631U (en) | 2021-04-13 | 2021-04-13 | Pressure relief device and double-line grease lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120745024.5U CN215569631U (en) | 2021-04-13 | 2021-04-13 | Pressure relief device and double-line grease lubricating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215569631U true CN215569631U (en) | 2022-01-18 |
Family
ID=79856121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120745024.5U Active CN215569631U (en) | 2021-04-13 | 2021-04-13 | Pressure relief device and double-line grease lubricating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215569631U (en) |
-
2021
- 2021-04-13 CN CN202120745024.5U patent/CN215569631U/en active Active
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