Oil pump testing equipment

Abstract

Oil pump testing equipment comprises a mounting seat for mounting and fixing an oil pump, a driving mechanism for driving the oil pump to rotate, a testing mechanism connected with the output end of the oil pump and an oil supply mechanism for supplying oil to the oil pump, the testing mechanism comprises a flow regulating valve, an overflow valve and an electronic meter, an oil outlet channel of the mounting base is connected with a first connector of a tee joint through a first oil pipe, a second connector of the tee joint is connected with the overflow valve through a second oil pipe, and a third connector of the tee joint is connected with the input end of the flow regulating valve through a third oil pipe; the output end of the flow regulating valve is connected with the input end of an electronic meter through a fourth oil pipe, and the output end of the electronic meter is connected with the oil tank; a fifth oil pipe is arranged between the input end of the flow adjusting valve and the input end of the electronic meter, and a switch valve is arranged on the fifth oil pipe. The output flow of the oil pump can be adjusted through cooperation of the switch valve and the flow adjusting valve, and the flow and pressure of the oil pump can be tested according to the relation between the oil pump rotating speed and the output flow.

Description

Technical Field

[0001] The utility model relates to the technical field of testing equipment, in particular to an oil pump testing equipment. Background Art

[0002] The oil pump of an automobile accessory needs to be aligned and tested after maintenance. The test items include flow test and pressure test. The current oil pump testing equipment cannot meet the above two tests at the same time, and the test data of the oil pump is not accurate enough. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide an oil pump testing device, which can test the flow rate and pressure of the oil pump, and the test result is more accurate.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: an oil pump testing device, comprising a mounting seat for mounting and fixing an oil pump, a driving mechanism for driving the oil pump to rotate, a testing mechanism connected to the output end of the oil pump and an oil supply mechanism for supplying oil to the oil pump; the mounting seat is provided with a mounting hole, the oil pump is fixed to the mounting seat by bolts, an oil outlet channel is provided in the mounting seat, and the output end of the oil pump is connected to the oil outlet channel; the oil supply mechanism comprises an oil tank and an oil outlet interface connected to the oil tank, and the oil outlet interface can be connected to the input end of the oil pump; the testing mechanism comprises a flow regulating valve, a relief valve and an electronic meter, the oil outlet channel of the mounting seat is connected to the first interface of the three-way through a first oil pipe, the second interface of the three-way is connected to the relief valve through a second oil pipe, the third interface of the three-way is connected to the input end of the flow regulating valve through a third oil pipe, the output end of the flow regulating valve is connected to the input end of the electronic meter through a fourth oil pipe, and the output end of the electronic meter is connected to the oil tank; a fifth oil pipe is provided between the input end of the flow regulating valve and the input end of the electronic meter, and a switch valve is provided on the fifth oil pipe. Principle of the utility model: first, fix the oil pump to be tested on the mounting seat, connect the rotating shaft of the oil pump with the driving mechanism, and dock the input end of the oil pump with the oil outlet interface of the oil tank; drive the oil pump to rotate through the driving mechanism, and adjust the speed of the driving mechanism to simulate various rotation speeds of the oil pump when working; after the oil pump rotates, oil is pumped from the oil tank and transported to the testing mechanism through the oil outlet channel of the mounting seat; when it is necessary to test the flow rate of the oil pump, the third oil pipe is directly connected to the fifth oil pipe through the switch valve, and the oil output by the oil pump all flows through the electronic meter, and the flow rate of the oil pump is tested by the speed and output flow rate of the oil pump to determine whether the oil pump has leakage; when it is necessary to test the pressure of the oil pump, the fifth oil pipe is closed by the switch valve, and the oil output by the oil pump is output to the electronic meter after passing through the flow regulating valve. At this time, the flow rate can be adjusted by the flow regulating valve, and then the oil pump pressure is tested, and the maximum working pressure of the oil pump can be tested by the speed and output flow rate of the oil pump.

[0005] As an improvement, it also includes a frame, on which a first box body and a second box body located on one side of the first box body are provided, the oil tank is provided on the frame and below the first box body, the mounting seat and the testing mechanism are provided in the first box body, and the driving mechanism is provided in the second box body.

[0006] As an improvement, the driving mechanism includes a motor, a coupling connected to the motor output shaft, a sliding seat, a nut arranged on the sliding seat, a screw rod cooperating with the nut, a hand wheel arranged at one end of the screw rod and a slide rail slidably cooperating with the sliding seat. The motor is fixed on the sliding seat, and the motor is connected to the oil pump through a coupling.

[0007] Compared with the prior art, the utility model has the following beneficial effects:

[0008] The driving mechanism drives the oil pump to rotate. Adjusting the speed of the driving mechanism can simulate various speeds of the oil pump when it is working, and the test data is more accurate. The output flow of the oil pump can be adjusted through the cooperation of the switch valve and the flow control valve. According to the relationship between the oil pump speed and the output flow, the flow and pressure of the oil pump can be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the utility model.

[0010] Figure 2 It is a top view of the utility model.

[0011] Figure 3 It is a side view of the utility model. DETAILED DESCRIPTION

[0012] The utility model will be further described below in conjunction with the accompanying drawings.

[0013] like Figures 1 to 3As shown, an oil pump testing device includes a frame 1 for mounting and fixing the oil pump, a mounting seat 3, a driving mechanism 5 for driving the oil pump 2 to rotate, a testing mechanism 4 connected to the output end of the oil pump 2, and an oil supply mechanism for supplying oil to the oil pump 2. The frame 1 is provided with a first box body and a second box body located on one side of the first box body. The oil tank is arranged on the frame 1 and is located below the first box body. The mounting seat 3 and the testing mechanism 4 are arranged in the first box body. A flip cover is arranged on the top of the first box body. The driving mechanism 5 is arranged in the second box body. The motor output shaft of the driving mechanism 5 extends into the first box body. The panel of the second box body is a control panel, and control buttons and test instruments can be arranged. The mounting seat 3 is provided with a mounting hole. The oil pump 2 is fixed to the mounting seat 3 by bolts. An oil outlet channel is arranged in the mounting seat 3. The output end of the oil pump 2 is connected to the oil outlet channel. The oil supply mechanism includes an oil tank 6 and an oil outlet interface connected to the oil tank 6. The oil outlet interface can be connected to the input end of the oil pump 2. The oil outlet is arranged below the oil pump 2. Various types of oil outlets can be arranged to facilitate the test connection of different types of oil pumps 2. The test mechanism 4 includes a flow control valve 47, a relief valve 42 and an electronic meter 40. The oil outlet channel of the mounting seat 3 is connected to the first interface of the three-way 44 through the first oil pipe 41, the second interface of the three-way 44 is connected to the relief valve 42 through the second oil pipe 43, the third interface of the three-way 44 is connected to the input end of the flow control valve 47 through the third oil pipe 45, the output end of the flow control valve 47 is connected to the input end of the electronic meter 40 through the fourth oil pipe 49, and the output end of the electronic meter 40 is connected to the oil tank 6; a fifth oil pipe 48 is arranged between the input end of the flow control valve 47 and the input end of the electronic meter 40, and a switch valve 46 is arranged on the fifth oil pipe 48. The driving mechanism 5 includes a motor 52, a coupling 53 connected to the output shaft of the motor 52, a sliding seat 54, a nut arranged on the sliding seat 54, a screw rod matched with the nut, a hand-cranked wheel 51 arranged at one end of the screw rod and a slide rail slidably matched with the sliding seat 54. The motor 52 is fixed on the sliding seat 54, and the motor 52 is connected to the oil pump 2 through the coupling 53. During testing, the hand-cranked wheel 51 and the screw rod with a hole are manually rotated, and the screw rod and the nut cooperate to drive the sliding seat 54, and the sliding seat drives the motor 52, so that the output shaft of the motor 52 can be connected to the input end of the oil pump 2.

[0014] Principle of the utility model: First, fix the oil pump 2 to be tested on the mounting seat 3, connect the rotating shaft of the oil pump 2 with the driving mechanism 5, and dock the input end of the oil pump 2 with the oil outlet interface of the oil tank 6; drive the oil pump 2 to rotate through the driving mechanism 5, and adjust the speed of the driving mechanism 5 to simulate various speeds of the oil pump 2 when working; after the oil pump 2 rotates, oil is pumped from the oil tank 6 and transported to the testing mechanism 4 through the oil outlet channel of the mounting seat 3; when the flow rate of the oil pump 2 needs to be tested, the third oil pipe 45 and the fifth oil pipe 4 are connected through the switch valve 46. 8 is directly connected, and all the oil output by the oil pump 2 flows through the electronic meter 40. The flow rate of the oil pump 2 is tested by the speed and output flow rate of the oil pump 2 to determine whether the oil pump 2 has a leak. When it is necessary to test the pressure of the oil pump 2, the fifth oil pipe 48 is closed by the switch valve 46, and the oil output by the oil pump 2 is output to the electronic meter 40 after passing through the flow regulating valve 47. At this time, the flow rate can be adjusted by the flow regulating valve 47 to test the pressure of the oil pump 2. The maximum working pressure of the oil pump 2 can be tested by the speed and output flow rate of the oil pump 2.

Claims

1. An oil pump testing device, characterized in that: The invention comprises a mounting seat for mounting and fixing an oil pump, a driving mechanism for driving the oil pump to rotate, a testing mechanism connected to an output end of the oil pump and an oil supply mechanism for supplying oil to the oil pump; the mounting seat is provided with a mounting hole, the oil pump is fixed to the mounting seat by bolts, an oil outlet channel is provided in the mounting seat, and the output end of the oil pump is connected to the oil outlet channel; the oil supply mechanism comprises an oil tank and an oil outlet interface connected to the oil tank, and the oil outlet interface can be connected to the input end of the oil pump; the testing mechanism comprises a flow regulating valve, an overflow valve and an electronic meter, the oil outlet channel of the mounting seat is connected to a first three-way interface through a first oil pipe, the second three-way interface is connected to the overflow valve through a second oil pipe, the third three-way interface is connected to an input end of the flow regulating valve through a third oil pipe, the output end of the flow regulating valve is connected to an input end of the electronic meter through a fourth oil pipe, and the output end of the electronic meter is connected to the oil tank; a fifth oil pipe is provided between the input end of the flow regulating valve and the input end of the electronic meter, and a switch valve is provided on the fifth oil pipe.

2. The oil pump testing device according to claim 1, characterized in that: It also includes a frame, on which a first box body and a second box body located on one side of the first box body are arranged, the oil tank is arranged on the frame and located below the first box body, the mounting seat and the testing mechanism are arranged in the first box body, and the driving mechanism is arranged in the second box body.

3. The oil pump testing device according to claim 1, characterized in that: The driving mechanism includes a motor, a coupling connected to the motor output shaft, a sliding seat, a nut arranged on the sliding seat, a screw rod matched with the nut, a hand wheel arranged at one end of the screw rod and a slide rail slidably matched with the sliding seat. The motor is fixed on the sliding seat and connected to the oil pump through a coupling.

Images