CN216480178U - Lubricating and cooling device for top drive - Google Patents
Lubricating and cooling device for top drive Download PDFInfo
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- CN216480178U CN216480178U CN202123344203.7U CN202123344203U CN216480178U CN 216480178 U CN216480178 U CN 216480178U CN 202123344203 U CN202123344203 U CN 202123344203U CN 216480178 U CN216480178 U CN 216480178U
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Abstract
The utility model provides a lubricating and cooling device for top drive, which belongs to the technical field of top drive lubrication and comprises a hydraulic oil tank, a hydraulic valve group, a heat exchanger, a hydraulic motor, a hydraulic gear pump and a top drive lubricating oil box, wherein the hydraulic valve group is fixedly arranged on the outer side surface of a top drive body, a main oil inlet is communicated with an oil outlet of the hydraulic oil tank, the heat exchanger is fixedly arranged on the outer side surface of the top drive body, a cold medium inlet is communicated with a main oil outlet of the hydraulic valve group, a cold medium outlet is communicated with an oil inlet of the hydraulic oil tank, an oil inlet and an oil outlet of the hydraulic motor are respectively communicated with a branch oil outlet and a branch oil outlet of the hydraulic valve group, the hydraulic gear pump is in transmission connection with the hydraulic motor, an oil outlet of the hydraulic gear pump is communicated with a heat medium inlet of the heat exchanger, an oil outlet of the top drive lubricating oil box is communicated with the hydraulic oil inlet, an oil inlet is communicated with a heat medium outlet of the heat exchanger, thereby realizing the circulating cooling of the top drive lubricating oil under the condition of compact top drive structure, the technical effect of reducing the use cost of the top drive is achieved.
Description
Technical Field
The utility model belongs to the technical field of the lubrication is driven on the top, more specifically says, relates to a top is driven and is used lubricated cooling device.
Background
The top drive device is a novel petroleum drilling machine, replaces the traditional rotary table drilling, promotes the progress of the automation of the drilling technology, and becomes the standard equipment of the petroleum drilling machine. In the development process of the modern top drive, due to the limitation of the lubrication space of the main bearing of the top drive device, the cooling mode mainly adopts two modes of shell passive heat dissipation and water cooling heat dissipation. For a top drive machine with large load and small volume, passive heat dissipation cannot meet the requirement; and the water-cooling heat dissipation can be through the external radiator heat dissipation of coolant liquid with the heat, and the cooling effect is comparatively obvious, nevertheless can increase water-cooling pipeline, coolant liquid and supporting circulating equipment simultaneously, leads to use cost to have certain increase.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a top is driven and is used lubricated cooling device aims at realizing driving lubricating oil to the top and carry out circulative cooling under the condition that compact structure was driven on the top, reduces the top and drives use cost.
In order to achieve the above object, the utility model adopts the following technical scheme: the lubricating and cooling device for the top drive comprises a hydraulic oil tank, a hydraulic valve group, a heat exchanger, a hydraulic motor, a hydraulic gear pump and a top drive lubricating oil box, wherein the hydraulic oil tank is fixedly arranged in a hydraulic station of a top drive body; the hydraulic valve group is fixedly arranged on the outer side surface of the top drive body, and a main oil inlet is communicated with an oil outlet of the hydraulic oil tank; the heat exchanger is fixedly arranged on the outer side surface of the top drive body and is provided with a cold medium inlet, a cold medium outlet, a hot medium inlet and a hot medium outlet, the cold medium inlet is communicated with the main oil outlet of the hydraulic valve bank, and the cold medium outlet is communicated with the oil inlet of the hydraulic oil tank; an oil inlet and an oil outlet of the hydraulic motor are respectively communicated with an oil distributing outlet and an oil distributing inlet of the hydraulic valve group; the hydraulic gear pump is fixedly arranged on a side plate at the bottom of the outer shell of the top drive body and is in transmission connection with the hydraulic motor, and an oil outlet of the hydraulic gear pump is communicated with a heat medium inlet of the heat exchanger; an oil outlet of the top drive lubricating oil box is communicated with an oil inlet of the hydraulic gear pump, and an oil inlet of the top drive lubricating oil box is communicated with a heat medium outlet of the heat exchanger.
In a possible implementation manner, the hydraulic oil tank, the hydraulic valve bank and the heat exchanger are communicated to form a hydraulic oil circuit circulation; the hydraulic valve group and the hydraulic motor are communicated to form hydraulic oil circuit circulation; and the top drive lubricating oil box, the heat exchanger and the hydraulic gear pump are communicated to form lubricating oil path circulation.
In a possible implementation manner, the hydraulic oil tank is communicated with the hydraulic valve bank through a hydraulic oil inlet pipe, the hydraulic valve bank is communicated with the heat exchanger through a first hydraulic oil return pipe, and the heat exchanger is communicated with the hydraulic oil tank through a second hydraulic oil return pipe.
In a possible implementation manner, the hydraulic valve group is communicated with the hydraulic motor through a motor oil inlet pipe and a motor oil outlet pipe.
In a possible implementation manner, the top drive lubricating oil box is communicated with the hydraulic gear pump through a first lubricating oil outlet pipe, the hydraulic gear pump is communicated with the heat exchanger through a second lubricating oil outlet pipe, and the top drive lubricating oil box is communicated with the heat exchanger through a lubricating oil return pipe.
In one possible implementation, a hydraulic oil level gauge adapted to monitor the oil level is connected to the hydraulic oil tank.
In a possible implementation manner, at least one of the hydraulic oil inlet pipe, the first hydraulic oil return pipe and the second hydraulic oil return pipe is provided with a first flow meter.
In a possible implementation manner, a second flow meter is arranged on at least one pipeline of the motor oil inlet pipe and the motor oil outlet pipe.
In a possible implementation manner, a temperature detector is arranged on the lubricating oil return pipe.
In one possible implementation, the heat exchanger is an oil-to-oil heat exchanger.
The utility model provides a pair of top is driven and is used lubricating cooling device's beneficial effect lies in: compared with the prior art, the lubricating and cooling device for top drive of the utility model comprises a hydraulic oil tank, a hydraulic valve group, a heat exchanger, a hydraulic motor, a hydraulic gear pump and a top drive lubricating oil box, wherein the hydraulic valve group is fixedly arranged on the outer side surface of the top drive body, a main oil inlet is communicated with an oil outlet of the hydraulic oil tank, the heat exchanger is fixedly arranged on the outer side surface of the top drive body, a cold medium inlet is communicated with a main oil outlet of the hydraulic valve group, a cold medium outlet is communicated with an oil inlet of the hydraulic oil tank, an oil inlet and an oil outlet of the hydraulic motor are respectively communicated with a branch oil outlet and a branch oil outlet of the hydraulic valve group, the hydraulic gear pump is fixedly arranged on a side plate at the bottom of the outer shell of the top drive body and is in transmission connection with the hydraulic motor, an oil outlet of the hydraulic gear pump is communicated with an oil inlet of the hydraulic gear pump, an oil inlet is communicated with a heat medium outlet of the heat exchanger, thereby realizing the circulating cooling of the top drive lubricating oil under the condition of compact top drive structure, the technical effect of reducing the use cost of the top drive is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a lubricating and cooling device for a top drive according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a top drive lubricating and cooling device provided in the second embodiment of the present invention.
In the figure: 1. a hydraulic oil tank; 2. a hydraulic valve block; 3. a heat exchanger; 4. a hydraulic motor; 5. a hydraulic gear pump; 6. a top drive lubricating oil cartridge; 7. a hydraulic oil inlet pipe; 8. a first hydraulic return line; 9. a second hydraulic return pipe; 10. a motor oil inlet pipe; 11. a motor oil outlet pipe; 12. a first lubrication oil outlet pipe; 13. a second lubrication oil outlet pipe; 14. lubricating an oil return pipe; 15. a hydraulic oil level gauge; 16. a first flow meter; 17. a second flow meter; 18. a temperature detector.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-2, a top drive lubricating and cooling device provided by the present invention will now be described. A lubricating and cooling device for top drive comprises a hydraulic oil tank 1, a hydraulic valve group 2, a heat exchanger 3, a hydraulic motor 4, a hydraulic gear pump 5 and a top drive lubricating oil box 6, wherein the hydraulic oil tank 1 is fixedly arranged in a top drive body hydraulic station; the hydraulic valve group 2 is fixedly arranged on the outer side surface of the top drive body, and a main oil inlet is communicated with an oil outlet of the hydraulic oil tank 1; the heat exchanger 3 is fixedly arranged on the outer side surface of the top drive body and is provided with a cold medium inlet, a cold medium outlet, a heat medium inlet and a heat medium outlet, the cold medium inlet is communicated with the main oil outlet of the hydraulic valve group 2, and the cold medium outlet is communicated with the oil inlet of the hydraulic oil tank 1; an oil inlet and an oil outlet of the hydraulic motor 4 are respectively communicated with an oil distributing outlet and an oil distributing inlet of the hydraulic valve group 2; the hydraulic gear pump 5 is fixedly arranged on a side plate at the bottom of the outer shell of the top drive body and is in transmission connection with the hydraulic motor 4, and an oil outlet of the hydraulic gear pump 5 is communicated with a heat medium inlet of the heat exchanger 3; an oil outlet of the top drive lubricating oil box 6 is communicated with an oil inlet of the hydraulic gear pump 5, and an oil inlet is communicated with a heat medium outlet of the heat exchanger 3.
The utility model provides a lubricating and cooling device for top drive, compared with the prior art, the lubricating and cooling device for top drive of the utility model is provided, a hydraulic valve group 2 is fixedly arranged on the outer side surface of a top drive body, a main oil inlet is communicated with the oil outlet of a hydraulic oil tank 1, a heat exchanger 3 is fixedly arranged on the outer side surface of the top drive body, a cold medium inlet is communicated with the main oil outlet of the hydraulic valve group 2, a cold medium outlet is communicated with the oil inlet of the hydraulic oil tank 1, the oil inlet and the oil outlet of a hydraulic motor 4 are respectively communicated with a branch oil outlet and a branch oil outlet of the hydraulic valve group 2, a hydraulic gear pump 5 is fixedly arranged on the side plate at the bottom of the outer shell of the top drive body and is in transmission connection with the hydraulic motor 4, the oil outlet of the hydraulic gear pump 5 is communicated with the heat medium inlet of the heat exchanger 3, the oil outlet of a top drive lubricating oil box 6 is communicated with the oil inlet of the hydraulic gear pump 5, and the oil inlet is communicated with the heat medium outlet of the heat exchanger 3, the top drive lubricating oil is circularly cooled under the condition of compact top drive structure, and the technical effect of reducing the use cost of the top drive is realized.
Specifically, deposit a certain amount of hydraulic oil in hydraulic tank 1, after through the heat transfer, can bring the heat in the lubricating oil to hydraulic tank 1, through the higher hydraulic oil of inside temperature and the lower hydraulic oil's of temperature mixture in hydraulic tank 1, the cooling to hydraulic oil of realization to can be to lubricating oil circulative cooling.
The oil pump is arranged on the hydraulic oil tank 1, and can pump hydraulic oil, for example, the oil pump can be arranged on an oil path or a pipeline between the hydraulic oil tank 1 and the hydraulic valve bank 2, in this embodiment, the cold medium can be understood as hydraulic oil, the heat medium can be understood as lubricating oil, and the cold medium and the heat medium can exchange heat in the heat exchanger, so as to reduce the temperature of the heat medium and realize circulating cooling.
The hydraulic valve group 2 can control or adjust the flow, pressure and liquid level of the medium, and automatically control the opening of the valve according to the adjusting position signal, thereby achieving the adjustment of the flow, pressure and liquid level of the medium.
In some embodiments, referring to fig. 1-2, after the hydraulic oil tank 1, the hydraulic valve bank 2 and the heat exchanger 3 are communicated, a hydraulic oil circuit circulation is formed; the hydraulic valve group 2 and the hydraulic motor 4 are communicated to form hydraulic oil circuit circulation; and the top drive lubricating oil box 6, the heat exchanger 3 and the hydraulic gear pump 5 are communicated to form lubricating oil path circulation. After the circulation of the hydraulic oil and the circulation of the lubricating oil are realized, the hydraulic oil continuously cools the heat in the lubricating oil, i.e. the heat in the hydraulic oil and the heat in the lubricating oil are exchanged with each other through the heat exchanger 3.
In some embodiments, referring to fig. 1-2, the hydraulic oil tank 1 is communicated with the hydraulic valve group 2 through a hydraulic oil inlet pipe 7, the hydraulic valve group 2 is communicated with the heat exchanger 3 through a first hydraulic oil return pipe 8, and the heat exchanger 3 is communicated with the hydraulic oil tank 1 through a second hydraulic oil return pipe 9.
The rectangular dashed box outlined for the hydraulic valve block 2 and the heat exchanger 3 in fig. 1-2 can be understood as the core or key of the present invention.
In some embodiments, referring to fig. 1-2, the hydraulic valve assembly 2 communicates with the hydraulic motor 4 through a motor oil inlet pipe 10 and a motor oil outlet pipe 11.
In some embodiments, referring to fig. 1-2, the top-drive lubricating oil box 6 is communicated with the hydraulic gear pump 5 through a first lubricating oil outlet pipe 12, the hydraulic gear pump 5 is communicated with the heat exchanger 3 through a second lubricating oil outlet pipe 13, and the top-drive lubricating oil box 6 is communicated with the heat exchanger 3 through a lubricating oil return pipe 14. The pipeline or oil pipe for realizing communication adopts the product in the prior art, and hydraulic oil or lubricating oil can naturally flow in the pipeline or oil pipe and cannot be influenced by the pipeline or oil pipe.
And connectors are arranged at two ends of the pipeline or the oil pipe and can realize connection and fixation.
In this embodiment, realize the circulation back of oil circuit, hydraulic oil takes hydraulic tank with the heat in the lubricating oil, carries out circulative cooling, can get rid of the huge split type external water-cooling heat dissipation equipment assembly of volume originally, has then reduced relevant pipeline, makes whole top drive device structure compacter. The utility model discloses a heat exchanger that adds utilizes the hydraulic pressure station to give out the heat with the heat conduction of lubricating oil to hydraulic oil in, the utility model discloses replace original water-cooling heat abstractor, reduced use cost.
In order to realize real-time monitoring of the oil level in the hydraulic oil tank 1, in some embodiments, referring to fig. 1-2, a hydraulic oil level indicator 15 suitable for monitoring the oil level is connected to the hydraulic oil tank 1, and the hydraulic oil level indicator 15 can monitor the oil level information in real time, and is conveniently connected to the hydraulic oil tank 1 and has high monitoring efficiency.
In order to realize the monitoring of the flow rate of the hydraulic oil in the circulation state, as a modified embodiment, please refer to fig. 1-2, at least one of the hydraulic oil inlet pipe 7, the first hydraulic oil return pipe 8 and the second hydraulic oil return pipe 9 is provided with a first flow meter 16. It will be appreciated that one first flow meter 16 may be provided, or two or three first flow meters 16 may be provided, using prior art oil flow meters capable of monitoring the flow rate of oil through the meter.
In order to realize the monitoring of the flow rate of the hydraulic oil in the circulation state, as a modified embodiment, please refer to fig. 1-2, at least one of the motor oil inlet pipe 10 and the motor oil outlet pipe 11 is provided with a second flow meter 17, which is an oil flow meter capable of monitoring the flow rate of the oil in the prior art.
Meanwhile, the above-mentioned flow meter is also provided between the top drive lubricating oil box 6 and the heat exchanger 3.
In order to monitor the temperature of the lubricating oil after heat exchange in real time, in some embodiments, please refer to fig. 1-2, a temperature detector 18 is disposed on the lubricating oil return pipe 14.
As a modified example, referring to fig. 1-2, the heat exchanger 3 is an oil-to-oil heat exchanger, which is a heat exchanger for exchanging heat between hot oil and cold oil, so that the temperature of the hot oil is decreased when the cold oil output from the heat exchanger 3 is changed into oil with higher temperature. Four interfaces are arranged on the heat exchanger 3, two of the four interfaces are used for connecting hot oil, the other two interfaces are used for connecting cold oil, in the embodiment, the hot oil refers to top drive lubricating oil, the cold oil refers to hydraulic oil, and the lubricating oil is cooled through circulating cooling through the hydraulic oil.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A top drive lubricating and cooling device, comprising:
the hydraulic oil tank is fixedly arranged in the top drive body hydraulic station;
the hydraulic valve group is fixedly arranged on the outer side surface of the top drive body, and a main oil inlet is communicated with an oil outlet of the hydraulic oil tank;
the heat exchanger is fixedly arranged on the outer side surface of the top drive body and is provided with a cold medium inlet, a cold medium outlet, a heat medium inlet and a heat medium outlet, the cold medium inlet is communicated with the main oil outlet of the hydraulic valve group, and the cold medium outlet is communicated with the oil inlet of the hydraulic oil tank;
the oil inlet and the oil outlet are respectively communicated with the oil distributing outlet and the oil distributing inlet of the hydraulic valve group;
the hydraulic gear pump is fixedly arranged on a side plate at the bottom of the outer shell of the top drive body and is in transmission connection with the hydraulic motor, and an oil outlet of the hydraulic gear pump is communicated with a heat medium inlet of the heat exchanger; and
and an oil outlet of the top drive lubricating oil box is communicated with an oil inlet of the hydraulic gear pump, and an oil inlet of the top drive lubricating oil box is communicated with a heat medium outlet of the heat exchanger.
2. A lubricating and cooling device for a top drive as set forth in claim 1, wherein the hydraulic oil tank, the hydraulic valve bank and the heat exchanger are communicated to form a hydraulic oil circuit circulation; the hydraulic valve group and the hydraulic motor are communicated to form hydraulic oil circuit circulation; and the top drive lubricating oil box, the heat exchanger and the hydraulic gear pump are communicated to form lubricating oil path circulation.
3. A lubricating and cooling device for a top drive as set forth in claim 1, wherein said hydraulic tank is connected to said hydraulic valve bank by a hydraulic inlet line, said hydraulic valve bank is connected to said heat exchanger by a first hydraulic return line, and said heat exchanger is connected to said hydraulic tank by a second hydraulic return line.
4. A lubricating and cooling device for a top drive as set forth in claim 1, wherein said hydraulic valve block is in communication with said hydraulic motor through a motor inlet line and a motor outlet line.
5. The top drive lubricating and cooling device as claimed in claim 1, wherein the top drive lubricating oil box is communicated with the hydraulic gear pump through a first lubricating oil outlet pipe, the hydraulic gear pump is communicated with the heat exchanger through a second lubricating oil outlet pipe, and the top drive lubricating oil box is communicated with the heat exchanger through a lubricating oil return pipe.
6. A lubricating and cooling device for a top drive as set forth in claim 1, wherein a hydraulic oil level gauge adapted to monitor the level of the oil level is connected to the hydraulic oil tank.
7. A lubricating and cooling device for a top drive as claimed in claim 3, wherein at least one of the hydraulic oil inlet pipe, the first hydraulic oil return pipe and the second hydraulic oil return pipe is provided with a first flow meter.
8. A lubricating and cooling device for a top drive as claimed in claim 4, wherein a second flow meter is provided on at least one of the motor inlet pipe and the motor outlet pipe.
9. A top drive lubricating and cooling device as claimed in claim 5, wherein the lubricating oil return pipe is provided with a temperature detector.
10. A top drive lubricating and cooling device as set forth in claim 1, wherein said heat exchanger is an oil-to-oil heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123344203.7U CN216480178U (en) | 2021-12-28 | 2021-12-28 | Lubricating and cooling device for top drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123344203.7U CN216480178U (en) | 2021-12-28 | 2021-12-28 | Lubricating and cooling device for top drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216480178U true CN216480178U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123344203.7U Active CN216480178U (en) | 2021-12-28 | 2021-12-28 | Lubricating and cooling device for top drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216480178U (en) |
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2021
- 2021-12-28 CN CN202123344203.7U patent/CN216480178U/en active Active
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