CN115717990A - Low-temperature test system for small-flow lubricating oil pump - Google Patents
Low-temperature test system for small-flow lubricating oil pump Download PDFInfo
- Publication number
- CN115717990A CN115717990A CN202211471025.0A CN202211471025A CN115717990A CN 115717990 A CN115717990 A CN 115717990A CN 202211471025 A CN202211471025 A CN 202211471025A CN 115717990 A CN115717990 A CN 115717990A
- Authority
- CN
- China
- Prior art keywords
- lubricating oil
- low
- temperature
- test system
- oil tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a low-temperature test system of a small-flow lubricating oil pump, which comprises an environment box (1) for low-temperature test, wherein a test carrier (2) is arranged in the environment box (1), and the low-temperature test system is characterized in that: a lubricating oil tank (3) is arranged in the environment box (1), and the lubricating oil tank (3) is connected to the test carrier (2) through an oil outlet pipeline. The invention takes cost saving and structure simplification as starting points, completes the design of a low-temperature test system of the lubricating oil pump with small flow by adopting different ideas on the basis of ensuring various parameters of the lubricating oil pump in a low-temperature state, has higher economic benefit and can meet the requirements of low-temperature tests of most lubricating oil products.
Description
Technical Field
The invention relates to the technical field of low-temperature tests of lubricating oil pumps, in particular to a low-temperature test system of a low-flow lubricating oil pump.
Background
In a common low-temperature lubricating oil test, a test carrier is stored in an environment box, the environment box is used for controlling the temperature of the environment of the test carrier, the test carrier is ensured to be in a relatively stable low-temperature state for a long time, the low-temperature environment in an actual working state is simulated, the temperature of lubricating oil is usually refrigerated by a refrigerating unit, and then the lubricating oil is conveyed to a product inlet by a low-pressure pump to simulate the low temperature of a medium in the actual working. The low temperature lubricating oil test system adopted by my company is shown in figure 2.
In the actual test process, the following problems which are difficult to solve exist in the test process by adopting the method:
1) The test medium adopted in the test process of the aviation lubricating oil pump is usually aviation lubricating oil, and the viscosity of the aviation lubricating oil is high in a low-temperature state, and the fluidity of the aviation lubricating oil is poor, so that the phenomenon that the lubricating oil in a pipeline cannot flow easily occurs in the test process, and finally the circulation of the whole test system is stopped.
2) The low-temperature refrigerating unit is adopted for refrigerating, although the temperature of the oil tank can reach the expected temperature, the pipeline for connecting the refrigerating unit and the environment tank is long, heat loss in the conveying process is easily caused, and the temperature actually reaching the inlet of the test carrier deviates greatly. And the cost of the refrigerating unit is expensive.
3) In the test process, a low-pressure pump is adopted to supply oil to a carrier inlet, but the fluidity is poor in the low-temperature state, and the position of the test carrier in the environment box is higher than that of the low-temperature pump, so that the pressure establishment and the lubricating oil delivery are influenced.
Due to the influence of the three factors in the test process, the test cannot be normally carried out as expected, the test conditions and states often deviate and are difficult to control, and the overall confidence of the test is greatly influenced. In order to ensure the smooth low-temperature test of the lubricating oil pump, the test system needs to be improved.
Disclosure of Invention
The invention aims to provide a low-temperature test system for a low-flow lubricating oil pump. The system can realize the double refrigeration functions of medium and environment under the condition of no refrigerating unit, and has the advantages of simple structure of the whole system, convenient operation and contribution to popularization.
The technical scheme of the invention is as follows: the utility model provides a low flow lubricating oil pump low temperature test system, includes low temperature test's environment case, and the environment incasement is equipped with experimental carrier, is equipped with the lubricating oil case in the environment incasement, and the lubricating oil case is connected to experimental carrier through oil outlet pipe.
According to the low-temperature test system for the small-flow lubricating oil pump, the thermometer is arranged on the oil outlet pipeline connecting the test carrier and the lubricating oil tank.
According to the low-temperature test system of the small-flow lubricating oil pump, the test carrier is provided with the oil return pipeline, and the oil return pipeline is provided with the flowmeter and the pressure sensor.
According to the low-temperature test system for the small-flow lubricating oil pump, the ball valve is arranged at the outlet of the oil outlet pipeline of the lubricating oil tank.
According to the low-temperature test system for the small-flow lubricating oil pump, the inlet connector is arranged above the lubricating oil tank, and the oil return pipeline is connected to the inlet connector.
In the low-temperature test system of the small-flow lubricating oil pump, the volume of the lubricating oil tank is less than or equal to 20L.
In the low-temperature test system of the small-flow lubricating oil pump, the volume of the lubricating oil tank is 10-20L.
According to the low-temperature test system of the small-flow lubricating oil pump, the flow of the oil outlet pipeline of the lubricating oil tank is less than or equal to 200L/h.
According to the low-temperature test system of the small-flow lubricating oil pump, the flow of the oil outlet pipeline of the lubricating oil tank is 100-200L/h.
The invention has the beneficial effects that: the lubricating oil tank and the test carrier of the system are both arranged in the environment box, the low-pressure oil pump and the lubricating oil refrigerating device are reduced in the middle, the lubricating oil and the environment temperature are dually refrigerated by the environment box, and the cost of test equipment is greatly saved. Moreover, the oil supply at the inlet of the test carrier depends on gravitational potential energy and the suction of the test carrier, the oil supply is more stable relative to the combination of a low-pressure pump and a longer pipeline, the pipeline is in a low-temperature environment, the temperature of the wall surface of the pipeline is lower, temperature loss is not easy to cause, the consistency of the temperature of the oil tank and the inlet temperature can be well guaranteed, the problems of poor flowability, large temperature deviation and the like of the existing lubricating oil are solved, and the test effect is improved. The test system can be applied to the low-temperature test process of a certain lubricating oil pump product in our company, the test effect can be verified, the test is simple, the operation is convenient, the cost is low, the consistency of the inlet temperature of a test carrier and the temperature of an oil tank is good, the test process is circulated smoothly, the freezing condition of low-temperature lubricating oil does not occur, and the test process of the low-temperature system is very stable. Compared with the prior art, the invention takes cost saving and structure simplification as starting points, adopts different ideas to complete the design of the low-temperature test system of the lubricating oil pump with small flow on the basis of ensuring various parameters of the lubricating oil pump in a low-temperature state, has higher economic benefit and can meet the requirements of low-temperature tests of most lubricating oil products.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a prior art lube pump test system.
Reference numerals: 1-an environmental chamber; 2-a test carrier; 3-a lubricating oil tank; 4-an oil return pipeline; 5-a flow meter; 6-ball valve; 7-inlet connector, T-thermometer and P-pressure sensor.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example 1 of the invention: the utility model provides a low flow lubricating oil pump low temperature test system, includes low temperature test's environment case 1, is equipped with test carrier 2 in the environment case 1, is equipped with lubricating oil tank 3 in the environment case 1, and lubricating oil tank 3 is connected to test carrier 2 through oil outlet pipe. As shown in fig. 1, the test carrier 2 is mounted in an environmental chamber 1, and the test carrier 2 is provided with a main motor and is driven by the main motor during a test. The size of a required lubricating oil tank 3 is calculated according to the size of the environment tank 1 and the flow of the test carrier 2, the lubricating oil tank 3 is placed in the environment tank 1 and is placed at a high position in the environment tank 1 through a support, the outlet position of the lubricating oil tank 3 is higher than the position of the test carrier 2, potential energy difference is established between the lubricating oil tank 3 and the test carrier, and the bottom of the lubricating oil tank 3 is designed in a conical shape, so that the integral fluidity of lubricating oil is improved. The lubricating oil tank 3 and the test carrier 2 connected by the method have the advantages that a low-pressure oil pump and a lubricating oil refrigerating device are reduced in the middle, the lubricating oil and the environment temperature are refrigerated by the environment tank 1, and the cost of test equipment is greatly saved. The oil supply at the inlet of the test carrier 2 depends on gravitational potential energy and the suction of the test carrier 2, the oil supply is more stable relative to the combination of a low-pressure pump and a longer pipeline, the pipeline is in a low-temperature environment, the temperature of the wall surface of the pipeline is lower, temperature loss is not easy to cause, and the consistency of the temperature of the lubricating oil tank 3 and the inlet temperature can be well ensured.
And an oil outlet pipeline for connecting the test carrier 2 and the lubricating oil tank 3 is provided with a thermometer T for monitoring the temperature.
The test carrier 2 is provided with an oil return pipeline 4, the oil return pipeline 4 is provided with a flowmeter 5 and a pressure sensor P, and the flowmeter 5 and the pressure sensor P can be arranged outside the environment box because the common mass flowmeter cannot work in a low-temperature environment.
And an outlet of the oil outlet pipeline of the lubricating oil tank 3 is provided with a ball valve 6 for controlling the outflow of the lubricating oil.
An inlet joint 7 is arranged above the lubricating oil tank 3, and the oil return pipeline 4 is connected to the inlet joint 7.
The volume of the lubricating oil tank is less than or equal to 20L, and preferably is 10-20L. The constant temperature of the medium depends on the environmental temperature in the environmental box, so that the applicant researches and discovers that the size of the lubricating oil box 3 is not suitable to exceed 20L, otherwise, the heat preservation time of the medium in the box is longer in the test process, the experiment efficiency is influenced, the volume of the lubricating oil box 3 is well controlled to be 10-20L, the medium in the box needs to be kept still for 4 hours in a low-temperature environment before the system operates, and the test can be operated after the temperature is stabilized in the low-temperature environment.
The flow rate of the oil outlet pipeline of the lubricating oil tank 3 is less than or equal to 200L/h, and preferably, the flow rate of the oil outlet pipeline of the lubricating oil tank 3 is 100-200L/h. The applicant researches and discovers that in the operation process, in order to ensure the stability of the whole low-temperature lubricating oil system, the flow rate of a lubricating oil pump is not more than 200L/h, and the flow rate is controlled at 100-200L/h preferably.
Before the test is started, the manual ball valve at the bottom of the lubricating oil tank 3 is closed, the oil truck is connected with the inlet joint 7 at the side edge of the lubricating oil tank 3, lubricating oil is filled, and the amount of the filled lubricating oil is calculated according to the actual flow of the test carrier. And after the filling is finished, connecting an inlet joint 7 of the lubricating oil tank 3 with an oil return pipeline 4 of the test carrier 2, and opening a manual ball valve 6 at the bottom of the lubricating oil tank 3 to fill an inlet pipeline of the test carrier 2 with lubricating oil. And after the preparation work is finished, the box door of the environment box 1 can be closed, and the lubricating oil system is cooled. After the temperature of the environment box 1 is reduced to the test temperature, the whole system needs to be insulated for more than 4 hours, and after the temperature of the integrated lubricating oil pump system is stable, the test carrier 2 can be driven to perform the test. The flow rate state of the test carrier in the low temperature state is read by the flow meter 5.
Claims (9)
1. The utility model provides a low discharge lubricating oil pump low temperature test system, includes low temperature test's environment case (1), is equipped with test carrier (2) in environment case (1), its characterized in that: a lubricating oil tank (3) is arranged in the environment box (1), and the lubricating oil tank (3) is connected to the test carrier (2) through an oil outlet pipeline.
2. The low flow lube pump low temperature test system of claim 1, wherein: and a thermometer (T) is arranged on an oil outlet pipeline connecting the test carrier (2) and the lubricating oil tank (3).
3. The low flow lube pump low temperature test system of claim 1, wherein: the test carrier (2) is provided with an oil return pipeline (4), and the oil return pipeline (4) is provided with a flowmeter (5) and a pressure sensor (P).
4. The low flow lube pump low temperature test system of claim 1, wherein: the lubricating oil tank (3) is arranged on the upper portion of the environment tank (1), the test carrier (2) is located below an oil outlet pipeline of the lubricating oil tank (3), and a ball valve (6) is arranged at an outlet of the oil outlet pipeline of the lubricating oil tank (3).
5. The low flow lube pump low temperature test system of claim 1, wherein: an inlet joint (7) is arranged above the lubricating oil tank (3), and the oil return pipeline (4) is connected to the inlet joint (7).
6. The low flow lube pump low temperature test system of claim 1, wherein: the volume of the lubricating oil tank is less than or equal to 20L.
7. The low flow lube pump low temperature test system of claim 6 wherein: the volume of the lubricating oil tank is 10-20L.
8. The low flow lube pump low temperature test system of claim 1, wherein: the flow of the oil outlet pipeline of the lubricating oil tank (3) is less than or equal to 200L/h.
9. The low flow lube pump low temperature test system of claim 1 wherein: the flow of the oil outlet pipeline of the lubricating oil tank (3) is 100-200L/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211471025.0A CN115717990A (en) | 2022-11-22 | 2022-11-22 | Low-temperature test system for small-flow lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211471025.0A CN115717990A (en) | 2022-11-22 | 2022-11-22 | Low-temperature test system for small-flow lubricating oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115717990A true CN115717990A (en) | 2023-02-28 |
Family
ID=85256005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211471025.0A Pending CN115717990A (en) | 2022-11-22 | 2022-11-22 | Low-temperature test system for small-flow lubricating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115717990A (en) |
-
2022
- 2022-11-22 CN CN202211471025.0A patent/CN115717990A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103939323B (en) | On-line measurement test device for oil circulation rate of refrigeration compressor controlled by parallel oil levels | |
| CN105004616A (en) | Cryogenic vessel multi-performance test device and test method | |
| CN2794513Y (en) | Dripping pill machine | |
| CN213331461U (en) | Oil circuit system of compressor for hydrogenation station | |
| CN112814885A (en) | High-precision automatic test equipment and method for industrial pump | |
| CN108800632B (en) | Prepare ice water station of 2 ℃ ice water | |
| CN115717990A (en) | Low-temperature test system for small-flow lubricating oil pump | |
| CN103412582A (en) | Engine oil temperature control circulation system of explosion-proof diesel engine performance test platform | |
| CN105674667B (en) | A kind of efficient liquid-cooling system and method | |
| CN208937273U (en) | A kind of circulating pressure loading system for automobile radiators endurance test | |
| CN102507173B (en) | High-temperature high-speed heat conduction oil rotary joint test bench | |
| CN209569926U (en) | A kind of fluorine barrel pump self-checking device | |
| CN208673156U (en) | A kind of auto Oil-filling System Using in chemical fertilizer production | |
| CN214404149U (en) | Fortune pig car hydraulic pressure station | |
| CN220379973U (en) | Petroleum and natural gas heating integrated air-source heat pump unit | |
| CN100392314C (en) | Overfilling preventing device for fuel gas cylinder of automobile using liquefied natural gas as fuel | |
| CN201696161U (en) | Electric energy storing and regenerating device | |
| CN207619347U (en) | A kind of extremely low volatility fluorine element LUBRICATING GREASES system | |
| CN221301606U (en) | Crude oil heating heat exchange energy storage box | |
| CN215711760U (en) | Automatic high-viscosity material storage, heating and conveying system | |
| CN218151325U (en) | Fluid supply system for compressor | |
| CN216894374U (en) | Brine compensation salt cavern gas storage dynamic simulation experiment device | |
| CN219532029U (en) | Automatic fluid infusion device of hydrostatic level monitoring system | |
| CN203433380U (en) | Machine oil temperature-controlled circulating system of explosion-proof diesel engine performance testing stand | |
| CN109269581A (en) | Turbocharger of motor engine oil consumption measuring device and test method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |