CN215981936U - Petroleum drilling machine diesel engine protection device - Google Patents
Petroleum drilling machine diesel engine protection device Download PDFInfo
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- CN215981936U CN215981936U CN202122316860.4U CN202122316860U CN215981936U CN 215981936 U CN215981936 U CN 215981936U CN 202122316860 U CN202122316860 U CN 202122316860U CN 215981936 U CN215981936 U CN 215981936U
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Abstract
The utility model discloses a protection device for a diesel engine of an oil rig, which comprises an oil control oil supplementing valve, a main lubricating oil channel of the diesel engine, a pneumatic oil supplementing pump and a lubricating oil tank, wherein the oil control oil supplementing valve is communicated with the main lubricating oil channel of the diesel engine, the pneumatic oil supplementing pump is communicated with the lubricating oil tank, a piston rod is movably arranged in the oil control oil supplementing valve, a piston and a piston disc are fixedly arranged at two ends of the piston rod, and an oil inlet nozzle is arranged at one end, far away from an adjusting screw, of the oil control oil supplementing valve. In the utility model, after the lubricating oil pressure of the diesel engine is abnormal, the oil control oil supplementing valve controls the oil supplementing pump to supplement oil to the lubricating system of the diesel engine, the alarm device gives out an alarm to prompt a worker, if the lubricating oil pressure continues to drop, the action of the air relay is automatically controlled by the oil control two-position five-way valve to deflate the clutch of the diesel engine, the diesel engine and the transmission system are separated from the diesel engine to stop, so that the purpose of automatically controlling the protection function of the failed diesel engine is achieved, and the huge maintenance cost and the adverse effect of damage of the diesel engine on drilling production are avoided.
Description
Technical Field
The utility model relates to the technical field of petroleum drilling equipment, in particular to a diesel engine protection device of a petroleum drilling machine.
Background
The power system of the petroleum drilling machine is generally provided with 3-4 diesel engines, the diesel engines are connected with a transmission system of the drilling machine through a diesel engine clutch, most of the drilling machines run together with 2-3 diesel engines, when the pressure of lubricating oil is too low, the diesel engines are dragged to run by other diesel engines working simultaneously, and serious accidents that a bearing bush is burnt to damage a crankshaft and the crankshaft is locked easily occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the problems, the protection device for the diesel engine of the oil drilling rig is provided.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an oil-well rig diesel engine protection device, includes oil control oil supplementing valve, diesel engine owner lubricating oil duct, pneumatic oil supplementing pump and lubricating-oil tank, oil control oil supplementing valve is linked together with diesel engine owner lubricating oil duct, pneumatic oil supplementing pump is linked together with lubricating-oil tank, oil control oil supplementing valve is linked together with pneumatic oil supplementing pump, be provided with air inlet, gas outlet and gas vent on the oil control oil supplementing valve, the inside of oil control oil supplementing valve is run through and is provided with adjusting screw, the inside activity of oil control oil supplementing valve is provided with the piston rod, adjusting screw's one end is kept away from to the piston rod has set firmly the piston dish, the piston rod is provided with the spring with adjusting screw relative one end, the outer end of piston rod has set firmly the piston, the one end that adjusting screw was kept away from to oil control oil supplementing valve is provided with the oil inlet nozzle.
Preferably, an alarm device is arranged between the oil control oil supplementing valve and the pneumatic oil supplementing pump, and the input end of the alarm device is connected with the air outlet of the oil control oil supplementing valve.
Preferably, the oil-well rig diesel engine protection device further comprises a manual two-way air switch, an air relay and a diesel engine clutch, wherein an oil control two-position five-way valve is arranged between the manual two-way air switch and a main lubricating oil channel of the diesel engine, and three pipelines are arranged on the oil control two-position five-way valve.
Preferably, three communicating pipelines are arranged on the oil-control two-position five-way valve, one of the pipelines is communicated with a main lubricating oil channel of the diesel engine and a control interface of the oil-control two-position five-way valve, the other pipeline is communicated with an air outlet hole of the manual two-way air switch and an air inlet hole of the oil-control two-position five-way valve, and the last pipeline is communicated with an air outlet hole of the oil-control two-position five-way valve and a control end of the air relay.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. when the lubricating oil pressure of the diesel engine is normal, a worker operates the two-way air switch to control the air inlet and the air outlet of the diesel engine clutch by compressed air through the oil-controlled two-position five-way valve and the air relay, so that the connection and the disconnection of the diesel engine and a drilling machine transmission system are realized. The utility model provides a be equipped with air inlet, gas outlet, gas vent, diesel engine lubricating oil import, piston rod and adjusting screw in the oil accuse fuel filling valve, be equipped with piston disc and piston on the piston rod, when diesel engine lubricating oil pressure was less than 0.4MPa, the pneumatic fuel filling pump of oil accuse fuel filling valve automatic control supplyes lubricating oil to diesel engine lubricating system, sends the warning suggestion staff in time to handle the trouble simultaneously.
2. The pressure of the lubricating oil of the diesel engine is lower than 0.2MPa, the oil-controlled two-position five-way valve automatically controls the action of the air relay to deflate the clutch of the diesel engine, and the diesel engine stops after the diesel engine is separated from the transmission system of the drilling machine to avoid serious damage of the diesel engine, so that the aims of avoiding huge maintenance cost and avoiding the adverse effect of damage of the diesel engine on drilling production are fulfilled, and the aim of automatically controlling the protection function of the failed diesel engine is fulfilled.
Drawings
FIG. 1 illustrates a front view provided in accordance with an embodiment of the present invention;
FIG. 2 illustrates a cross-sectional view provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates an automatic oil replenishment system for a diesel engine provided according to an embodiment of the present invention;
fig. 4 shows a diesel control gas circuit provided according to an embodiment of the present invention.
Illustration of the drawings:
1. an oil control oil supplementing valve; 2. an air inlet; 3. an air outlet; 4. an exhaust port; 5. an adjusting screw; 6. a spring; 7. a piston; 8. a piston rod; 9. a piston disc; 10. an oil inlet nozzle;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a technical scheme, which includes an oil control oil compensating valve 1, a main lubricating oil passage of a diesel engine, a pneumatic oil compensating pump and a lubricating oil tank, wherein the oil control oil compensating valve 1 is communicated with the main lubricating oil passage of the diesel engine, the pneumatic oil compensating pump is communicated with the lubricating oil tank, the oil control oil compensating valve 1 is communicated with the pneumatic oil compensating pump, the oil control oil compensating valve 1 is provided with an air inlet 2, an air outlet 3 and an exhaust port 4, an adjusting screw 5 is arranged in the oil control oil compensating valve 1 in a penetrating manner, a piston rod 8 is movably arranged in the oil control oil compensating valve 1, one end of the piston rod 8 far away from the adjusting screw 5 is fixedly provided with a piston disc 9, one end of the piston rod 8 opposite to the adjusting screw 5 is provided with a spring 6, the outer end of the piston rod 8 is fixedly provided with a piston 7, one end of the oil control oil compensating valve 1 far away from the adjusting screw 5 is provided with an oil inlet 10, when the pressure of the lubricating oil of the diesel engine is normal, the oil pressure pushes the piston disc 9 to move through the oil inlet nozzle 10, the air inlet 2 and the air outlet 3 are separated by the piston 7 at the moment, the pneumatic oil supplementing pump and the alarm device do not work when compressed air is not obtained, when the pressure of the lubricating oil of the diesel engine is lower than 0.4MPa, the spring 6 pushes the piston rod 8, the piston 7 and the piston disc 9 to move, the air inlet 2 is communicated with the air outlet 3 at the moment, the compressed air enters the pneumatic oil supplementing pump through the air outlet 3, the pneumatic oil supplementing pump operates to supplement the lubricating oil to a lubricating system of the diesel engine, and meanwhile, the compressed air enters the alarm device to give an alarm to prompt a worker to timely handle faults.
Specifically, as shown in fig. 3, an alarm device is arranged between the oil control oil supply valve 1 and the pneumatic oil supply pump, and an input end of the alarm device is connected with an air outlet 3 of the oil control oil supply valve 1, when the pressure of the lubricating oil of the diesel engine is normal, the pneumatic oil supply pump and the alarm device do not work under the condition that compressed air does not work, when the pressure of the lubricating oil of the diesel engine is lower than 0.4MPa, the compressed air simultaneously enters the pneumatic oil supply pump and the alarm device, the pneumatic oil supply pump operates to supply the lubricating oil to the lubricating system of the diesel engine, and the alarm device sends out an alarm to prompt a worker to timely handle a fault.
Specifically, as shown in fig. 4, the protection device for the diesel engine of the oil drilling rig further comprises a manual two-way air switch, an air relay and a diesel engine clutch, wherein an oil control two-position five-way valve is arranged between the manual two-way air switch and a main lubricating oil channel of the diesel engine, three communicating pipelines are arranged on the oil control two-position five-way valve, one of the three communicating pipelines is communicated with a control interface of the main lubricating oil channel of the diesel engine and the two-position five-way valve, the other pipeline is communicated with an air outlet hole of the manual two-way air switch and an air inlet hole of the oil control two-position five-way valve, and the last pipeline is communicated with an air outlet hole of the oil control two-position five-way valve and a control end of the air relay. When the lubricating oil pressure of the diesel engine is normal, the oil pressure pushes the valve core of the oil-control two-position five-way control valve to move, compressed air reaches the control end of the air relay from the air inlet hole, the air outlet hole and the pipeline of the two-position five-way control valve, and the valve core of the air relay is pushed to move to enable the diesel engine clutch to intake air. When the pressure of the lubricating oil of the diesel engine is reduced to be less than or equal to 0.2MPa, the valve core of the oil-control two-position five-way control valve is pushed to reset by a reset spring, compressed air at the control end of the air relay is exhausted through a pipeline and an exhaust hole of the oil-control two-position five-way control valve, the diesel engine with the air discharged from the clutch of the diesel engine is separated from a transmission system of a drilling machine, and the serious accident that the bearing bush is burnt and the crankshaft is locked due to the fact that the diesel engine with the low lubricating oil pressure is driven to rotate by other diesel engines is avoided.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The protection device for the diesel engine of the oil drilling machine is characterized by comprising an oil control oil supplementing valve (1), a main lubricating oil channel of the diesel engine, a pneumatic oil supplementing pump and a lubricating oil tank, wherein the oil control oil supplementing valve (1) is communicated with the main lubricating oil channel of the diesel engine, the pneumatic oil supplementing pump is communicated with the lubricating oil tank, the oil control oil supplementing valve (1) is communicated with the pneumatic oil supplementing pump, an air inlet (2), an air outlet (3) and an air outlet (4) are formed in the oil control oil supplementing valve (1), an adjusting screw (5) penetrates through the inside of the oil control oil supplementing valve (1), a piston rod (8) is movably arranged in the oil control oil supplementing valve (1), a piston disc (9) is fixedly arranged at one end, far away from the adjusting screw (5), of the piston rod (8) and one end, opposite to the adjusting screw (5), of the piston rod (8) are provided with a spring (6), the outer end of the piston rod (8) is fixedly provided with a piston (7), and one end, far away from the adjusting screw (5), of the oil control oil supplementing valve (1) is provided with an oil inlet nozzle (10).
2. The oil-well rig diesel engine protection device according to claim 1, characterized in that an alarm device is arranged between the oil control oil-replenishing valve (1) and the pneumatic oil-replenishing pump, and the input end of the alarm device is connected with the air outlet (3) of the oil control oil-replenishing valve (1).
3. The oil-well rig diesel engine protection device as claimed in claim 2, further comprising a manual two-way air switch, an air relay and a diesel engine clutch, wherein an oil-controlled two-position five-way valve is arranged between the manual two-way air switch and a main lubricating oil channel of the diesel engine, and three pipelines are arranged on the oil-controlled two-position five-way valve.
4. The oil-well rig diesel engine protection device as claimed in claim 3, wherein the oil-controlled two-position five-way valve is provided with three communicating pipelines, one of the pipelines communicates with the main lubricating oil channel of the diesel engine and the control interface of the oil-controlled two-position five-way valve, the other pipeline communicates with the air outlet hole of the manual two-way valve and the air inlet hole of the oil-controlled two-position five-way valve, and the last pipeline communicates with the air outlet hole of the oil-controlled two-position five-way valve and the control end of the air relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316860.4U CN215981936U (en) | 2021-09-24 | 2021-09-24 | Petroleum drilling machine diesel engine protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316860.4U CN215981936U (en) | 2021-09-24 | 2021-09-24 | Petroleum drilling machine diesel engine protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215981936U true CN215981936U (en) | 2022-03-08 |
Family
ID=80509569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122316860.4U Active CN215981936U (en) | 2021-09-24 | 2021-09-24 | Petroleum drilling machine diesel engine protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215981936U (en) |
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2021
- 2021-09-24 CN CN202122316860.4U patent/CN215981936U/en active Active
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