CN216142890U

CN216142890U - Oil pump performance test case

Info

Publication number: CN216142890U
Application number: CN202120301216.7U
Authority: CN
Inventors: 陈福德
Original assignee: Chongqing Lingdian Automation Equipment Co ltd
Current assignee: Chongqing Lingdian Automation Equipment Co ltd
Priority date: 2022-01-15
Filing date: 2022-01-15
Publication date: 2022-03-29
Anticipated expiration: 2032-01-15

Abstract

The utility model discloses an oil pump performance test box which comprises a test box body, wherein an oil pump positioning bin is fixed in the test box body, an oil tank is fixed at the bottom of the oil pump positioning bin, an oil pump positioning assembly is fixed on a top plate of the oil tank, an oil pump driving assembly is also fixed at the back of the oil pump positioning assembly, a flow test assembly and an oil heating assembly are also fixed in the test box body, and the oil heating assembly is connected into the oil tank through an oil pipe. This capability test case simple structure, the test machine oil pump that can be accurate is in the flow situation under the operating mode of deciding the rotational speed and deciding pressure.

Description

Oil pump performance test case

Technical Field

The utility model belongs to the field of oil pump tests, and particularly relates to an oil pump performance test box.

Background

The engine oil pump is used for providing reliable lubrication for key parts of an automobile engine, a gearbox and the like. The oil pump generally comprises a shell, an inner rotor, an outer rotor, a pump cover and the like. Before the oil pump leaves a factory, a bench test for performance detection is generally carried out to ensure the qualification of products leaving the factory. Generally, when an oil pump performance test is performed, the relationship between the oil temperature and the flow rate of the oil pump under different specified oil temperatures and under the conditions of fixed rotation speed and fixed pressure is tested, so as to determine whether the performance of the oil pump meets the specified qualified requirements.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an oil pump performance test box, which is simple in structure and can accurately judge the qualification degree of an oil pump under the working conditions of constant rotating speed and constant pressure of a test machine oil pump due to the influence of oil temperature on the flow of the oil pumped out by the oil pump.

In order to achieve the purpose, the utility model provides an oil pump performance testing box which comprises a testing box body, wherein an oil pump positioning bin is fixed in the testing box body, an oil tank is fixed at the bottom of the oil pump positioning bin, an oil pump positioning assembly is fixed on a top plate of the oil tank, an oil pump driving assembly is further fixed at the back of the oil pump positioning assembly, a proportional valve, a flow rate testing assembly and an oil heating assembly are further fixed in the testing box body, the oil heating assembly is connected into the oil tank through an oil pipe, the oil pump is communicated with the proportional valve and the flow rate testing assembly, the flow rate testing assembly is communicated with the oil tank through a pipeline, the oil pump positioning assembly comprises a separable oil inlet pipe, and the oil inlet pipe is communicated with the oil tank.

Furthermore, the oil pump positioning assembly comprises a connecting plate, a clamping seat is fixed on the connecting plate, a clamping mechanism is fixed on the back of the clamping seat, the clamping mechanism comprises a plurality of clamping cylinders, cylinder rods of the clamping cylinders penetrate through the clamping seat, a pressing plate is fixed on the cylinder rods of the clamping cylinders, a supporting beam frame and at least two positioning pins are fixed on the front of the clamping seat, the oil pump driving assembly comprises a power box, a driving motor is fixed on the back of the power box, the driving motor is connected with a telescopic transmission assembly through a driving shaft, and the driving assembly drives an oil pump to rotate during testing.

Furthermore, a test support is fixed in the test box body, the flow test assembly and the proportional valve are both fixed on the test support, one end of the proportional valve is communicated with the oil pump through a first pipeline, the other end of the proportional valve is communicated with the flow meter through a second pipeline, and the flow meter is communicated with the oil tank through a third pipeline.

Furthermore, the bottom of the oil tank is connected with an oil tank heating assembly through a fourth pipeline, and the oil tank heating assembly is communicated with the oil tank through a return pipeline.

Furthermore, the transmission assembly comprises a connecting sleeve fixedly connected to the driving shaft, a clamping ring is fixed to the middle of the connecting sleeve, a reset spring is sleeved on the right side of the clamping ring, the connecting sleeve is movably connected to a reset sleeve on the right side of the reset spring through a key groove, clamping discs are fixed to two sides of the reset sleeve, an inner gear ring is connected to the clamping disc on the right side, an inner gear hole matched with an oil pump gear disc is formed in the inner gear ring, a telescopic cylinder is further fixed to the back of the clamping seat, a push plate is fixed to the telescopic cylinder, a fork opening is formed in the tail end of the push plate, and the tail end of the fork opening is located between the two clamping discs of the reset sleeve.

Furthermore, the clamping seat is further connected with a sliding block in a sliding mode, the oil inlet pipe is fixed to one end of the sliding block, a vertical plate is fixed to the other end of the sliding block, a pushing cylinder is fixed to the vertical plate, a cylinder rod of the pushing cylinder penetrates through the clamping seat, and a positioning head is fixed to the cylinder rod of the pushing cylinder.

The utility model has the beneficial effects that:

firstly, when the performance of the oil pump is tested, the performance test box can test the flow condition of the engine oil pumped out by the oil pump under the conditions of fixed rotating speed and fixed pressure, the test is convenient and quick, and whether the oil pump is qualified or not can be quickly judged;

secondly, the oil pump can be quickly and stably positioned through a special oil pump positioning assembly, so that the oil pump can not shake during testing, and the result is not influenced;

thirdly, the engine oil can be kept at different working temperatures through the oil liquid heating assembly, so that the test result is more comprehensive;

fourthly, the transmission assembly can realize the rapid transmission of power to the oil pump and the separation of the oil pump, thereby facilitating the rapid clamping of the oil pump.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a block diagram of the present invention without the test chamber housing;

FIG. 3 is a top view of the present invention;

FIG. 4 is a perspective view of the oil pump positioning assembly of the present invention;

FIG. 5 is a schematic view of the construction of the fuel tank of the present invention;

fig. 6 is a schematic structural view of the connecting sleeve and the reduction sleeve of the present invention.

In the figure, 1, a test box body; 2. an oil pump positioning bin; 3. an oil tank; 4. a flow testing component; 5. an oil pump drive assembly; 6. an oil heating component; 7. testing the bracket; 8. a top plate; 9. a connecting plate; 10. installing a clamping seat; 11. clamping the cylinder; 12. pressing a plate; 13. positioning the head; 14. a push cylinder; 15. a slider; 16. An oil inlet pipe; 17. an oil pump; 18. a proportional valve; 20. a drive motor; 21. a support beam frame; 22. a first pipeline; 23. a second pipeline; 24. a third pipeline; 25. a fourth pipeline; 26. a return line; 27. a connecting sleeve; 28. a snap ring; 29. a return spring; 30. a reset sleeve; 31. a clamping disc; 32. pushing the plate; 34. a fork opening; 35. flow meter

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

referring to fig. 1 to 6, the oil pump performance testing box includes a testing box body 1, an oil pump positioning bin 2 is fixed in the testing box body 1, an oil tank 3 is fixed at the bottom of the oil pump positioning bin 2, an oil pump positioning assembly is fixed on a top plate 8 of the oil tank 3, an oil pump driving assembly 5 is fixed at the back of the oil pump 17 positioning assembly, a proportional valve, a flow rate testing assembly 4 and an oil heating assembly 6 are fixed in the testing box body 1, the oil heating assembly 6 is connected to the oil tank 3 through an oil pipe, the oil pump is communicated with the proportional valve and the flow rate testing assembly, the flow rate testing assembly is communicated with the oil tank through a pipeline, the oil pump positioning assembly includes a separable oil inlet pipe, and the oil inlet pipe is communicated with the oil tank.

When the oil pump 17 needs to be tested, the oil pump 17 is positioned on an oil pump 17 positioning component of an oil pump 17 positioning bin 2, and the oil pump driving component 5 is connected with the oil pump 17, so that when the oil pump driving component 5 drives the oil pump 17 to start running at a certain rotating speed, the oil pump 17 adsorbs the oil from the oil tank 3 through an oil inlet pipe, meanwhile, the pressure of the pumped oil is regulated through a proportional valve, the oil is sent out to enter the flow testing component 4 under the condition of constant rotating speed and constant pressure, the flow testing component 4 starts to test the flow of the pumped oil, the oil returns to the oil tank through the flow testing component, and meanwhile, the oil heating component 6 heats the sucked oil in the oil tank through a high-temperature pump to supplement the lost temperature, and the temperature is always kept at different set temperatures, and finally the oil flows back to the oil tank through the oil pipe for recycling.

Further, the oil pump positioning assembly comprises a connecting plate 9, a clamping seat 10 is fixed on the connecting plate 9, a clamping mechanism is fixed on the back of the clamping seat 10, the clamping mechanism is composed of a plurality of clamping cylinders 11, a cylinder rod of each clamping cylinder 11 penetrates through the clamping seat 10, a pressing plate 12 is fixed on the cylinder rod of each clamping cylinder 11, a supporting beam frame 21 and at least two positioning pins are fixed on the front of each clamping seat 10, the oil pump driving assembly 5 comprises a power box, a driving motor 20 is fixed on the back of the power box, the driving motor 20 is connected with a telescopic transmission assembly through a driving shaft, and the driving oil pump 17 is driven by the driving assembly to rotate during testing. Specifically, when the oil pump 17 is positioned, the oil pump 17 is positioned and connected to the front side of the clamping seat 10, two positioning pins are fixed to the front side of the clamping seat 10 and are just matched with positioning holes in lug seats of the oil pump 17, and meanwhile, a supporting beam frame 21 is fixed to the front side of the clamping seat 10, so that the oil pump 17 is very convenient to position, after the oil pump 17 is positioned, a clamping mechanism on the back of the clamping seat 10 is started, a pressing plate 12 is fixed to a cylinder rod on the clamping mechanism, so that the oil pump 17 can be directly pressed through the pressing plate 12, after the oil pump 17 is pressed, the oil pump 17 can be driven to rotate through a telescopic transmission assembly connected to a driving shaft of a driving motor 20, and an oil inlet pipe is operated to be communicated with the oil pump, so that the oil pump 17 can be quickly tested.

Further, a test support 7 is fixed in the test box body 1, the flow test assembly 4 and the proportional valve are both fixed on the test support, one end of the proportional valve is communicated with the oil pump 17 through a first pipeline 22, the other end of the proportional valve is communicated with a flow meter 35 through a second pipeline 23, and the flow meter 35 is communicated with the oil tank 3 through a third pipeline 24. Through the regulation of proportional valve, can adjust the pressure of fluid to appointed numerical value, at this moment, can test the flow of fluid under the condition of appointed rotational speed and appointed pressure through flow test subassembly 4, after fluid flows out from flowmeter 35, flows into in the oil tank 3 through third pipeline 24.

Further, the bottom of the oil tank 3 is connected with an oil tank heating assembly through a fourth pipeline 25, and the oil tank heating assembly is communicated with the oil tank 3 through a return pipeline 26. When the oil pump 17 is used for performance testing, the oil needs to be tested at a proper temperature, so that the bottom of the oil tank 3 is communicated with the heating assembly of the oil tank 3 through the fourth pipeline 25, and after the oil is heated, the heated oil is conveyed back to the oil tank 3 through the high-temperature oil pump of the heating assembly of the oil tank.

Further, the transmission assembly comprises a connecting sleeve 27 fixedly connected to the driving shaft, a clamping ring 28 is fixed in the middle of the connecting sleeve 27, a reset spring 29 is sleeved on the right side of the clamping ring 28, the connecting sleeve 27 is movably connected with a reset sleeve 30 on the right side of the reset spring 29 through a key groove, clamping discs 31 are fixed on two sides of the reset sleeve 30, an inner gear ring is connected to the clamping disc 31 on the right side, an inner gear hole matched with a gear disc of the oil pump 17 is formed in the inner gear ring, a telescopic cylinder is further fixed on the back of the clamping seat 10, a push plate 32 is fixed on the telescopic cylinder, a fork 34 is formed in the tail end of the push plate 32, and the tail end of the fork 34 is located between the two clamping discs 31 of the reset sleeve 30. Specifically, the transmission assembly used in the present invention is driven by the telescopic cylinder at the back of the clamping seat 10, specifically, in a natural state, the telescopic cylinder is in a contracted state, at this time, under the action of the return spring 29, the return sleeve 30 extends forward, wherein the inner toothed ring on the right-hand clamping plate 31 is clamped with the toothed disc of the oil pump 17, when the driving motor 20 is running, the driving shaft will drive the connecting sleeve 27 to rotate, when the connecting sleeve 27 rotates, the inner toothed ring will be driven to rotate, thereby driving the toothed disc to rotate, when the toothed disc rotates, the oil pump 17 starts to run, when the oil pump 17 is tested, the driving motor 20 stops running, then the telescopic cylinder is started, the telescopic cylinder extends out, the push plate 32 is driven to move, the fork 34 at the end of the push plate 32 will extrude the left-hand clamping plate 31 of the return sleeve 30, the inner gear ring on the clamping disc 31 on the right side of the reset sleeve 30 is separated from the gear disc of the oil pump 17, finally, the clamping cylinder 11 is extended out, the pressing plate 12 is separated from the oil pump 17, and an operator can quickly take down the oil pump 17.

Further, a sliding block 15 is further connected to the clamping seat 10 in a sliding manner, the oil inlet pipe 16 is fixed to one end of the sliding block, a vertical plate is fixed to the other end of the sliding block 15, a pushing cylinder 14 is fixed to the vertical plate, a cylinder rod of the pushing cylinder 14 penetrates through the clamping seat 10, and a positioning head 13 is fixed to the cylinder rod of the pushing cylinder 14. The clamping seat 10 is connected with the sliding block 15, the sliding block 15 is fixedly connected with the pushing cylinder 14, the cylinder rod of the pushing cylinder 14 is fixedly provided with the positioning head 13, when the oil pump 17 is tested, the pushing cylinder 14 is started, the cylinder rod of the pushing cylinder 14 moves to enable the positioning head 13 to be abutted to the oil pump 17, then the cylinder rod cannot move continuously, the pushing cylinder 14 starts to move backwards, in the process that the pushing cylinder 14 moves backwards, the oil inlet pipe 16 on the sliding block 15 can be connected to the oil inlet hole of the oil pump 17, and in the test process, oil is directly introduced into the oil inlet pipe 16.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. An oil pump performance test box is characterized by comprising a test box body, wherein an oil pump positioning bin is fixed in the test box body, an oil tank is fixed at the bottom of the oil pump positioning bin, an oil pump positioning assembly is fixed on a top plate of the oil tank, an oil pump driving assembly is further fixed at the back of the oil pump positioning assembly, a proportional valve, an oil flow testing assembly and an oil heating assembly are further fixed in the test box body, the oil heating assembly is connected into the oil tank through an oil pipe, the oil pump is communicated with the proportional valve and the flow testing assembly, the flow testing assembly is communicated with the oil tank through a pipeline, the oil pump positioning assembly comprises a separable oil inlet pipe, and the oil inlet pipe is communicated with the oil tank.

2. The oil pump performance testing box of claim 1, wherein the oil pump positioning assembly comprises a connecting plate, a clamping seat is fixed on the connecting plate, a clamping mechanism is fixed on the back of the clamping seat, the clamping mechanism is a plurality of clamping cylinders, cylinder rods of the clamping cylinders penetrate through the clamping seat, pressing plates are fixed on the cylinder rods of the clamping cylinders, a supporting beam frame and at least two positioning pins are fixed on the front of the clamping seat, the oil pump driving assembly comprises a power box, a driving motor is fixed on the back of the power box, a telescopic transmission assembly is connected to the driving motor through a driving shaft, and the driving assembly drives the oil pump to rotate during testing.

3. The oil pump performance testing cabinet of claim 2, wherein a testing bracket is fixed in the testing cabinet, the flow testing assembly and the proportional valve are fixed on the testing bracket, one end of the proportional valve is communicated with the oil pump through a first pipeline, the other end of the proportional valve is communicated with a flow meter through a second pipeline, and the flow meter is communicated with the oil tank through a third pipeline.

4. The oil pump performance testing cabinet of claim 3, wherein the bottom of the oil tank is connected to a tank heating assembly via a fourth line, and the tank heating assembly is in communication with the oil tank via a return line.

5. The oil pump performance testing box of claim 4, wherein the transmission assembly comprises a connecting sleeve fixedly connected to the driving shaft, a clamping ring is fixed in the middle of the connecting sleeve, a return spring is sleeved on the right side of the clamping ring, the connecting sleeve is movably connected with a return sleeve on the right side of the return spring through a key groove, clamping disks are fixed on two sides of the return sleeve, an inner gear ring is connected to the right clamping disk, an inner gear hole matched with the oil pump gear disk is formed in the inner gear ring, a telescopic cylinder is further fixed on the back of the clamping seat, a push plate is fixed on the telescopic cylinder, a fork opening is formed at the tail end of the push plate, and the tail end of the fork opening is located between the two clamping disks of the return sleeve.

6. The oil pump performance testing box of claim 5, wherein a sliding block is slidably connected to the clamping seat, the oil inlet pipe is fixed to one end of the sliding block, a vertical plate is fixed to the other end of the sliding block, a pushing cylinder is fixed to the vertical plate, a cylinder rod of the pushing cylinder penetrates through the clamping seat, and a positioning head is fixed to the cylinder rod of the pushing cylinder.