CN211902317U - Auxiliary lubricating system of single-cylinder diesel engine test bed - Google Patents
Auxiliary lubricating system of single-cylinder diesel engine test bed Download PDFInfo
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- CN211902317U CN211902317U CN202020387454.XU CN202020387454U CN211902317U CN 211902317 U CN211902317 U CN 211902317U CN 202020387454 U CN202020387454 U CN 202020387454U CN 211902317 U CN211902317 U CN 211902317U
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Abstract
The utility model discloses an auxiliary lubricating system of a single cylinder diesel engine test bench, which comprises an oil tank, wherein the oil tank comprises an oil cavity and a water cavity, the water cavity is arranged outside the oil cavity, an electric heater is arranged on one side of the water cavity, the oil tank is connected with a first motor pump through an oil pipeline, the output end of the first motor pump is divided into an overflow pipeline and a main oil pipeline, the main oil pipeline is connected with the input end of the single cylinder diesel engine, the output end of the single cylinder diesel engine is connected with the input end of a second motor pump, the output end of the second motor pump is divided into a first loop and a second loop, the first loop and the second loop are both connected with the input end of the oil tank, the auxiliary lubricating system of the single cylinder diesel engine test bench not only can finish the lubricating oil supply to the normal operation of the single cylinder diesel engine, but also can realize the preheating of, the running requirement of the diesel engine is met.
Description
Technical Field
The utility model relates to a diesel engine lubrication field is a single cylinder diesel engine auxiliary lubrication system.
Background
The lubricating system has great significance for safe and reliable operation of the diesel engine. Lubricating oils have several important functions: 1. the friction coefficient of the kinematic pair is reduced, the abrasion of the kinematic pair is slowed down, and the service life is prolonged; 2. the friction loss is reduced, and the effective work is improved; 3. a cleaning kinematic pair and a cooling kinematic pair; 4. and (5) sealing and isolating. Aiming at the structural characteristics of a single-cylinder diesel engine, the automatic forced lubrication cannot be realized because the single-cylinder diesel engine is not provided with an oil pan, an oil pump driven by gear transmission and other equipment.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome current defect, provide a single cylinder diesel engine test bench auxiliary lubrication system, this system realizes the automatically regulated of lubricating oil preheating, lubricating oil temperature and pressure, carries out force-feed lubrication to single cylinder diesel, guarantees single cylinder diesel's safe and reliable operation, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a single cylinder diesel engine test bench auxiliary lubrication system, includes the oil tank, the oil tank includes oil pocket and water cavity, and the water cavity sets up in the outside of oil pocket, and electric heater is installed to the water cavity, the oil tank is connected with first motor pump through defeated oil pipe way, and the output of first motor pump divide into overflow pipeline and main oil duct pipeline, and the main oil duct pipeline is connected with single cylinder diesel engine's input, and single cylinder diesel engine's output is connected with the input of second motor pump, and the output of second motor pump divide into first return circuit and second return circuit, and first return circuit and second return circuit all are connected with the input of oil tank.
As an optimized technical scheme of the utility model, the outside in water cavity is provided with oil tank outlet valve and oil tank water intaking valve.
As a preferred technical scheme of the utility model, be provided with first temperature sensor, first filter between oil tank and the first motor pump, first temperature sensor sets up on the pipeline of the output of oil tank, first filter setting is at the front end of the input of first motor pump.
As an optimized technical scheme of the utility model, be provided with the overflow motorised valve on the overflow pipeline.
As an optimized technical scheme of the utility model, be provided with the second filter between single cylinder diesel and the second motor pump.
As an optimized technical scheme of the utility model, be provided with cooling oil circuit motorised valve, heat exchanger outlet valve and heat exchanger water intaking valve on the first return circuit, cooling oil circuit motorised valve sets up at heat exchanger's front end, and heat exchanger's the outside is provided with heat exchanger outlet valve and heat exchanger water intaking valve.
As an optimized technical scheme of the utility model, be provided with the bypass motorised valve on the second return circuit.
As a preferred technical solution of the present invention, a second temperature sensor is disposed after the first loop and the second loop.
Compared with the prior art, the beneficial effects of the utility model are that: this single cylinder diesel engine test bench auxiliary lubrication system not only can accomplish the normal operating to single cylinder diesel and provide the lubricating oil, can realize preheating of lubricating oil and the automatically regulated of lubricating oil temperature and pressure in the course of the work in addition, satisfy the operation demand of diesel engine, the device passes through the effect of pressure sensor and overflow motorised valve simultaneously, realizes shunting, guarantees the fuel feeding pressure at a suitable within range dynamic balance, further improves the stationarity of single cylinder diesel work.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the system comprises a tank 1, an oil cavity 1a, a water cavity 1b, a tank outlet valve 2, a tank inlet valve 3, a first temperature sensor 4, a first filter 5, an overflow electric valve 6, a first motor pump 7, a pressure sensor 8, a single-cylinder diesel engine 9, a second filter 10, a second motor pump 11, a cooling oil circuit electric valve 12, a heat exchanger outlet valve 13, a heat exchanger inlet valve 14, a heat exchanger 15, a bypass electric valve 16, a second temperature sensor 17 and an electric heater 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an auxiliary lubricating system of a single-cylinder diesel engine test bed comprises an oil tank 1, wherein the oil tank 1 comprises an oil cavity 1a and a water cavity 1b, an oil tank water outlet valve 2 and an oil tank water inlet valve 3 are arranged on the outer side of the water cavity 1b, the water cavity 1 is arranged outside the oil cavity 1a, an electric heater 18 is installed in the water cavity 1, the electric heater 18 indirectly heats lubricating oil in the oil cavity, the oil tank 1 is connected with a first motor pump 7 through an oil pipeline, a first temperature sensor 4 and a first filter 5 are arranged between the oil tank 1 and the first motor pump 7, the first temperature sensor 4 is arranged on a pipeline at the output end of the oil tank 1, the first filter 5 is arranged at the front end of the input end of the first motor pump 7, the first temperature sensor 4 is used for detecting the temperature of the oil in the output end of the oil tank 1, the first filter 5 ensures the cleanliness of the lubricating oil, the output end of the first motor pump 7 is divided into an overflow pipeline, an overflow electric valve 6 is arranged on the overflow pipeline, a pressure sensor 8 is arranged on the main oil pipeline, the model of the pressure sensor 8 is 4-20 mA, the pressure sensor 8 is used for monitoring the oil pressure, a feedback circuit of the pressure sensor can send a signal to the overflow electric valve 6 of the overflow pipeline, so that the overflow electric valve 6 can adjust the opening degree according to a control strategy to split the flow and ensure the dynamic balance of the oil supply pressure in a proper range, the main oil pipeline is connected with the input end of a single-cylinder diesel engine 9, the output end of the single-cylinder diesel engine 9 is connected with the input end of a second motor pump 11, a second filter 10 is arranged between the single-cylinder diesel engine 9 and the second motor pump 11, the second filter 10 ensures the cleanliness of oil return, the output end of the second motor pump 11 is divided into a first loop and a second loop, and a bypass electric valve 16 is arranged, a second temperature sensor 17 is arranged behind the first loop and the second loop, the first temperature sensor 4 and the second temperature sensor 17 adopt a sensor model PT100, a cooling oil circuit electric valve 12, a heat exchanger 15, a heat exchanger water outlet valve 13 and a heat exchanger water inlet valve 14 are arranged on the first loop, the cooling oil circuit electric valve 12 is arranged at the front end of the heat exchanger 15, the heat exchanger water outlet valve 13 and the heat exchanger water inlet valve 14 are arranged on the outer side of the heat exchanger 15, the opening degrees of the heat exchanger water inlet valve 14 and the water outlet valve 13 are adjusted through signals monitored by the second temperature sensor 17, so that the heat exchange between the cooling water and the lubricating oil of the heat exchanger 15 achieves the effect of reducing the return oil temperature, the first loop and the second loop are both connected with the input end of the oil tank 1, and the device can realize the automatic adjustment of the preheating of the, effectively ensuring the operation requirement of the diesel engine.
When in use: when the lubricating oil is preheated, the external water outlet valve 2 of the oil tank 1 is firstly closed, the water inlet valve 3 is fully opened, and the water inlet valve 3 is closed after the water level in the water cavity 1b meets the requirement. The electric heater 18 on the side of the water chamber 1b indirectly heats the lubricating oil in the oil chamber 1a by heating fresh water, and when the temperature of the lubricating oil reaches a required value, the heating circuit is automatically switched off to stop heating.
When pre-oil supply is carried out, the first motor pump 7 and the first motor pump 11 are opened, the bypass electric valve 16 is opened, the cooling oil way electric valve 12 is closed, and the advance oil filling of a lubricating oil channel in the single-cylinder diesel engine is ensured.
When the single-cylinder diesel engine starts to work, the bypass electric valve 16 is closed, the cooling oil way electric valve 12 is opened, the heat exchanger 15 achieves the effect of reducing the return oil temperature through the heat exchange between cooling water and lubricating oil, meanwhile, a second temperature sensor 17 at the outlet of the heat exchanger 15 sends a signal to a water inlet and return electric valve of the heat exchanger 15 through a feedback circuit when the temperature of the lubricating oil is monitored to be overhigh, the flow rate of the cooling water is increased through adjusting the opening degrees of a water inlet valve 14 and a water outlet valve 13 of the heat exchanger, the flow speed is accelerated, the heat exchange amount is increased, and the heat exchanger 15 enables the cooling water.
When the pressure sensor 8 on the main oil gallery monitors that the oil pressure is too high, a feedback circuit of the pressure sensor can send a signal to the overflow electric valve 6 of the overflow pipeline, the overflow electric valve 6 adjusts the opening degree according to a control strategy to split, the oil supply pressure is ensured to be dynamically balanced in a proper range, and the split lubricating oil returns to the first filter 5 and the first motor pump 7 to continue to participate in the work.
The utility model discloses can conveniently adjust the oil temperature, realize preheating of lubricating oil and the automatically regulated of working process in lubricating oil temperature and pressure, improve the convenience of using greatly, the cleanliness of lubricating oil is guaranteed to first filter 5 and second filter 10, and pressure sensor 8 and overflow motorised valve 6 adjust the aperture of producing oil, have improved the convenience of use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a single cylinder diesel engine test bench auxiliary lubrication system, includes oil tank (1), oil tank (1) is including oil pocket (1a) and water cavity (1b), and water cavity (1b) sets up in the outside of oil pocket (1a), and electric heater (18), its characterized in that are installed in water cavity (1b) outside: oil tank (1) is connected with first motor pump (7) through defeated oil pipe way, and the output of first motor pump (7) divide into overflow pipeline and main oil duct pipeline, and the main oil duct pipeline is connected with the input of single cylinder diesel (9), and the output of single cylinder diesel (9) is connected with the input of second motor pump (11), and the output of second motor pump (11) divide into first return circuit and second return circuit, and first return circuit and second return circuit all are connected with the input of oil tank (1).
2. The auxiliary lubrication system for the test bed of the single cylinder diesel engine as claimed in claim 1, wherein: an oil tank water outlet valve (2) and an oil tank water inlet valve (3) are arranged on the outer side of the water cavity (1 b).
3. The auxiliary lubrication system for the test bed of the single cylinder diesel engine as claimed in claim 1, wherein: be provided with first temperature sensor (4), first filter (5) between oil tank (1) and first motor pump (7), first temperature sensor (4) set up on the pipeline of the output of oil tank (1), first filter (5) set up the front end at the input of first motor pump (7).
4. The auxiliary lubrication system for the test bed of the single cylinder diesel engine as claimed in claim 1, wherein: an overflow electric valve (6) is arranged on the overflow pipeline, and a pressure sensor (8) is arranged on the main oil pipeline.
5. The auxiliary lubrication system for the test bed of the single cylinder diesel engine as claimed in claim 1, wherein: a second filter (10) is arranged between the single-cylinder diesel engine (9) and the second motor pump (11).
6. The auxiliary lubrication system for the test bed of the single cylinder diesel engine as claimed in claim 1, wherein: the first loop is provided with a cooling oil circuit electric valve (12), a heat exchanger (15), a heat exchanger water outlet valve (13) and a heat exchanger water inlet valve (14), the cooling oil circuit electric valve (12) is arranged at the front end of the heat exchanger (15), and the heat exchanger water outlet valve (13) and the heat exchanger water inlet valve (14) are arranged on the outer side of the heat exchanger (15).
7. The auxiliary lubrication system for the test bed of the single cylinder diesel engine as claimed in claim 1, wherein: and a bypass electric valve (16) is arranged on the second loop.
8. The auxiliary lubrication system for the test bed of the single cylinder diesel engine as claimed in claim 1, wherein: a second temperature sensor (17) is arranged behind the first loop and the second loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020387454.XU CN211902317U (en) | 2020-03-24 | 2020-03-24 | Auxiliary lubricating system of single-cylinder diesel engine test bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020387454.XU CN211902317U (en) | 2020-03-24 | 2020-03-24 | Auxiliary lubricating system of single-cylinder diesel engine test bed |
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| CN211902317U true CN211902317U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020387454.XU Active CN211902317U (en) | 2020-03-24 | 2020-03-24 | Auxiliary lubricating system of single-cylinder diesel engine test bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550808A (en) * | 2021-08-18 | 2021-10-26 | 河南柴油机重工有限责任公司 | Throttle control lubricating system |
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2020
- 2020-03-24 CN CN202020387454.XU patent/CN211902317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550808A (en) * | 2021-08-18 | 2021-10-26 | 河南柴油机重工有限责任公司 | Throttle control lubricating system |
| CN113550808B (en) * | 2021-08-18 | 2022-11-29 | 河南柴油机重工有限责任公司 | Throttle control lubricating system |
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