Oil pump testing device

Abstract

The utility model relates to an oil pump testing device which comprises a frame body and further comprises an electric controller, a testing motor, a liquid tank and a cooler which are arranged on the frame body, a liquid tank outlet is communicated with an oil pump inlet through a first oil pipe, an oil pump outlet is communicated with a cooler inlet through a second oil pipe, and a cooler outlet is communicated with a liquid tank inlet through a third oil pipe. A detector and a liquid outlet valve are further arranged on the second oil pipe, an exposed oil pump installation position is arranged on the front side of the frame body, an oil storage groove is further formed in the position, corresponding to the lower portion of the oil pump, of the frame body, the testing motor is controlled by an electric controller and can drive the oil pump to operate, and the electric controller is further connected with the detector. The oil pump conveys a test medium in the liquid tank to the detector for related data acquisition, and the test medium is cooled by the cooler and then reaches the liquid tank to form a circulation loop.

Description

Technical Field

[0001] The utility model relates to an oil pump testing device. Background Art

[0002] An oil pump test device is a device used to test and evaluate the performance of an oil pump. It can simulate various working conditions of an oil pump in an actual working environment to ensure that the oil pump meets the specified performance standards. CN113503248A discloses an oil pump test device, including: a frame, a mounting position arranged on the frame for the pump body to be installed, an oil inlet pipe for communicating with the pump body, a first oil outlet channel for communicating with the pump body, a flow sensor arranged on the first oil outlet channel and used to detect the flow in the first oil outlet channel, a pressure sensor arranged on the first oil outlet channel and used to detect the hydraulic pressure in the first oil outlet channel, and a pressure relief device connected to the first oil outlet channel. After the test, the oil in the above device is not cooled and recovered, and the consumption cost is high. Utility Model Content

[0003] Purpose of the utility model: In order to overcome the defects of the prior art, the utility model provides an oil pump testing device, in which the oil pump transports the test medium in the liquid tank to the detector for relevant data collection, and then passes through the cooler for cooling, and then reaches the liquid tank to form a circulation loop.

[0004] The technical solution of the utility model is as follows: an oil pump testing device comprises a frame, and also comprises an electronic controller, a test motor, a liquid tank and a cooler arranged on the frame, the liquid tank outlet and the oil pump inlet are connected via a first oil pipe, the oil pump outlet and the cooler inlet are connected via a second oil pipe, the cooler outlet and the liquid tank inlet are connected via a third oil pipe, a detector and a liquid outlet valve are also provided on the second oil pipe, an exposed oil pump installation position is provided on the front side of the frame, an oil storage tank is also provided on the frame corresponding to the lower part of the oil pump, the test motor is controlled by the electronic controller and can drive the operation of the oil pump, and the electronic controller is also connected to the detector.

[0005] By adopting the above technical solution, when in use, the oil pump is installed at the oil pump installation position on the frame, and the necessary oil pipes and circuits are connected; then the device is started, and the test motor drives the oil pump to run at the set speed. The oil pump transports the test medium (lubricating oil) in the liquid tank to the detector for relevant data collection, and then passes through the cooler for cooling, and then reaches the liquid tank to form a circulation loop. The electronic controller collects data through the detector to record various performance parameters.

[0006] Motor: Use high-efficiency and energy-saving motor, with frequency converter, the speed can be adjusted according to test requirements.

[0007] Liquid outlet valve: controls the flow of the test medium.

[0008] Detector: used to monitor the working status of the oil pump output.

[0009] Electronic controller: PLC or embedded system is used as the core controller, which can generate analysis reports based on test results and evaluate oil pump performance.

[0010] Cooler: Equipped with air cooling system, it can keep the test medium within a suitable temperature range.

[0011] Oil storage tank: It can also collect the oil flowing out of the oil pump during the removal of the upper oil pump.

[0012] Preferably, the frame body comprises a base frame and an upper frame, the upper frame is arranged at the rear of the upper end of the base frame, and the oil pump installation position and the oil storage tank are both located at the front of the upper end of the base frame. By arranging the upper frame at the rear of the upper end of the base frame, the front of the upper end of the base frame is left vacant, thereby facilitating the installation of the oil pump installation position and the oil storage tank.

[0013] Preferably, the liquid outlet valve is located above the base frame and exposed on the front side of the upper frame, so as to facilitate manual operation of the external liquid outlet valve.

[0014] Preferably, the oil pump is also mounted on the oil pump mounting position through a bracket, the base of the bracket is mounted on the oil pump mounting position of the base frame, the oil pump is mounted on the front vertical plate of the bracket, and the oil storage tank is located in front of the oil pump mounting position, so as to facilitate the installation of the oil pump and make it directly above the oil storage tank after installation.

[0015] Preferably, the output shaft of the test motor is connected to the front oil pump via a slider coupling, and the slider coupling is also exposed on the front side of the frame. The test motor and the oil pump are directly connected by a coupling to reduce energy loss.

[0016] Preferably, a accommodating space A is provided in the base frame, and a accommodating space B is provided in the upper frame, and the two accommodating spaces are connected by a through opening. The liquid tank and the cooler are distributed front to back in the accommodating space A, and the electronic controller and the test motor are distributed up and down in the accommodating space B. A pipe hole 1 for allowing a first oil pipe to pass through is provided on the front part of the upper end of the base frame, and a pipe hole 2 for allowing a second oil pipe to pass through is provided on the front side surface of the upper frame. The second oil pipe is also provided with a through opening, and the third oil pipe is placed in the accommodating space A. The front side surface of the upper frame is also provided with a test port for allowing the output shaft of the test motor to pass through.

[0017] Preferably, the electric controller is also provided with a touch screen, which is exposed on the upper part of the front side of the upper rack, and an operation button is also provided on the front side of the upper rack. The touch screen is convenient for users to operate and view test results.

[0018] Preferably, the detector is integrated with a flow meter, an oil pressure sensor, and an oil temperature sensor. The flow meter is used to detect the flow rate in the second oil pipe, the oil pressure sensor is used to detect the hydraulic pressure in the second oil pipe, and the oil temperature sensor is used to detect the temperature in the second oil pipe, so as to monitor the working state of the oil pump.

[0019] Preferably, the liquid outlet valve is a ball valve connected between the oil pump and the detector, so as to control the flow of the medium to the detector.

[0020] Preferably, each oil pipe is connected to the corresponding liquid tank and cooler via a detachable joint, so that the pipeline, liquid tank and cooler can be quickly disassembled and assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural diagram of a specific embodiment of the utility model;

[0022] Figure 2 It is an internal structure diagram of a specific embodiment of the utility model;

[0023] Figure 3 This is a connection circuit diagram of a liquid tank, an oil pump and a cooler in a specific embodiment of the utility model;

[0024] Figure 4 The electric drive diagram for testing the motor and the oil pump for the specific embodiment of the utility model;

[0025] Figure 5 It is a frame structure diagram of a specific embodiment of the utility model.

[0026] Frame 1, electronic controller 2, test motor 3, liquid tank 4, cooler 5, first oil pipe 6, second oil pipe 7, third oil pipe 8, detector 9, liquid outlet valve 10, oil pump installation position A, oil storage tank B, base frame 11, upper frame 12, bracket 13, base 131, front vertical plate 132, slider coupling 14, accommodating space A11a, accommodating space B12b, through port 1c, pipe hole 1 1a, pipe hole 2 1b, test port 121, touch screen 21, operation button 22, flow meter 91, oil pressure sensor 92, oil temperature sensor 93, liquid outlet valve 10, oil pump C, oil filter D. DETAILED DESCRIPTION

[0027] The technical scheme in this embodiment will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1-5As shown, an oil pump test device of the utility model comprises a frame 1, and also comprises an electric controller 2, a test motor 3, a liquid tank 4 and a cooler 5 arranged on the frame 1. The electric controller 2, the test motor 3, the liquid tank 4 and the cooler 5 are detachably mounted on the frame 1 by screws. The frame 1 comprises a base frame 11 and an upper frame 12. The upper frame 12 is arranged at the rear part of the upper end of the base frame 11. An oil pump mounting position A and an oil storage tank B are arranged at the front part of the upper end of the base frame 11. A plurality of oil inlet mesh holes are arranged on the upper surface of the oil storage tank B. The oil storage tank B is provided with an oil outlet for discharging oil or by setting the oil storage tank B to be detachable, it is convenient to pour out and recover the oil in the oil storage tank B. The base frame 11 is provided with a accommodating space A11a. The upper frame 12 is provided with a plurality of oil inlet mesh holes. The oil storage tank B is provided with an oil outlet for discharging oil or by setting the oil storage tank B to be detachable, it is convenient to pour out and recover the oil in the oil storage tank B. 12 is provided with a containing space B12b, and the two containing spaces are communicated by a through port 1c. The liquid tank 4 and the cooler 5 are distributed in the containing space A11a in a front-to-back manner, and the electronic controller 2 and the test motor 3 are distributed in the containing space B12b in an up-and-down manner. The liquid tank outlet and the oil pump inlet are connected through a first oil pipe 6, the oil pump outlet and the cooler inlet are connected through a second oil pipe 7, and the cooler outlet and the liquid tank inlet are connected through a third oil pipe 8. An oil filter D is also installed at the liquid tank outlet to ensure the cleanliness of the test medium. A detector 9 and a liquid outlet valve 10 are also provided on the second oil pipe 7. The detector 9 is integrated with a flow meter 91, an oil pressure sensor 92 and an oil temperature sensor 93. The liquid outlet valve 10 is a ball valve and is connected to the oil pump. and the detector 9, the oil pump C is also installed on the oil pump installation position A through the bracket 13, the base 131 of the bracket 13 is installed on the oil pump installation position A of the base frame 11, the oil pump C is installed on the front vertical plate 132 of the bracket 13, the oil storage tank B is located on the front side of the oil pump installation position A, and corresponds to the bottom of the oil pump after installation, the liquid outlet valve 10 is located above the front part of the base frame 11, and is exposed on the front side of the upper frame 12, and a pipe hole 1a for the first oil pipe 6 to pass through is opened on the front part of the upper end of the base frame 11, and the pipe hole 1a is connected to the accommodating space A11a, and a pipe hole 2 1b for the second oil pipe 7 to pass through is opened on the front side surface of the upper frame 12, and the pipe hole 2 1b is connected to the accommodating space B12b, and the second oil pipe 7 is also provided with a through opening 1c, the third oil pipe 8 is placed in the accommodating space A11a, and a test port 121 is provided on the front side of the upper frame 12 for the output shaft of the test motor 3 to pass through; the output shaft of the test motor 3 is also connected to the front oil pump via a slider coupling 14 to drive the operation of the oil pump, the slider coupling 14 is also exposed on the front side of the upper frame and can be covered by an outer cover, the electric controller 2 is also connected to the detector 9, the test motor 3 is controlled by the electric controller 2, the electric controller 2 is also provided with a touch screen 21, the touch screen 21 is exposed on the upper part of the front side of the upper frame 12, and an operation button 22 is also provided on the front side of the upper frame 12, and the operation button 22 includes an open button, an emergency stop button, a speed adjustment button, etc.

[0029] The oil pipes are connected to the corresponding liquid tanks 4 and coolers 5 via detachable joints. The pipe joints are of existing design and can be screw-mounted or snap-mounted.

[0030] The liquid tank 4 is also provided with a refueling port, or the top tank cover of the liquid tank 4 can be opened for refueling.

[0031] The frame is also welded with high-strength steel.

[0032] When in use, the oil pump C is installed at the external oil pump installation position A on the base frame 11 through the bracket 13. The oil pump C is located on the front side of the vertical plate 132. After the oil pump C is installed, it will be directly above the oil storage tank B; and the necessary oil pipes and circuits are connected. Specifically, one end of the first oil pipe 6 is connected to the liquid tank outlet, and the other end passes through the pipe hole 1a to connect to the oil pump inlet, one end of the second oil pipe 7 is connected to the cooler inlet, and the other end passes through the pipe hole 2 1b to connect to the oil pump outlet, and the third oil pipe 8 connects the cooler outlet and the liquid tank inlet; the output shaft of the test motor 3 passes through the test port 121 and is connected to the oil pump C through the slider coupling 14.

[0033] Start the device, and the test motor 3 drives the oil pump C to run at the set speed. The oil pump C transports the test medium (lubricating oil) in the liquid tank 4 to the detector 9 for relevant data collection, and then passes through the cooler 5 for cooling, and then reaches the liquid tank 4 to form a circulation loop.

[0034] The flow meter 91 is used to detect the flow rate in the second oil pipe 7, the oil pressure sensor 92 is used to detect the hydraulic pressure in the second oil pipe 7, and the oil temperature sensor 93 is used to detect the temperature in the second oil pipe 7, so as to monitor the working status of the oil pump C.

[0035] The electronic controller 2 uses a PLC or embedded system as the core controller, integrating data acquisition, analysis and display functions. It can generate an analysis report based on the test results and evaluate the performance of the oil pump. It can also automatically cut off the power supply when the test motor or oil pump is overloaded. It also monitors the oil temperature and ambient temperature and automatically shuts down when the set value is exceeded.

[0036] The oil storage tank B can also collect the oil flowing out of the oil pump during the removal of the upper oil pump C.

[0037] It should be noted that in the description of the present invention, all directional indications (such as up, down, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0038] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features.

[0039] In the description of the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "couple", "connect", and "fix" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. An oil pump testing device, comprising a frame (1), characterized in that: The invention also comprises an electric controller (2), a test motor (3), a liquid tank (4) and a cooler (5) arranged on the frame (1); the liquid tank outlet and the oil pump inlet are connected via a first oil pipe (6); the oil pump outlet and the cooler inlet are connected via a second oil pipe (7); the cooler outlet and the liquid tank inlet are connected via a third oil pipe (8); a detector (9) and a liquid outlet valve (10) are also arranged on the second oil pipe (7); an exposed oil pump installation position (A) is provided on the front side of the frame (1); an oil storage tank (B) is also provided on the frame (1) corresponding to the lower part of the oil pump; the test motor (3) is controlled by the electric controller (2) and can drive the operation of the oil pump; the electric controller (2) is also connected to the detector (9).

2. The oil pump testing device according to claim 1, characterized in that: The frame body (1) comprises a base frame (11) and an upper frame (12), wherein the upper frame (12) is arranged at the rear of the upper end of the base frame (11), and the oil pump installation position (A) and the oil storage tank (B) are both located at the front of the upper end of the base frame (11).

3. An oil pump testing device according to claim 1 or 2, characterized in that: The liquid outlet valve (10) is located above the base frame (11) and exposed on the front side of the upper frame (12).

4. An oil pump testing device according to claim 1 or 2, characterized in that: The oil pump is also mounted on the oil pump mounting position (A) via a bracket (13); a base (131) of the bracket (13) is mounted on the oil pump mounting position (A) of the base frame (11); the oil pump is mounted on a front vertical plate (132) of the bracket (13); and the oil storage tank (B) is located at the front side of the oil pump mounting position (A).

5. An oil pump testing device according to claim 1 or 2, characterized in that: The output shaft of the test motor (3) is connected to the front oil pump via a slider coupling (14), and the slider coupling (14) is also exposed on the front side of the frame (1).

6. The oil pump testing device according to claim 2, characterized in that: The base frame (11) is provided with a storage space A (11a), and the upper frame (12) is provided with a storage space B (12b). The two storage spaces are connected by a through-port (1c). The liquid tank (4) and the cooler (5) are arranged in the storage space A (11a) in a front-to-back manner. The electric controller (2) and the test motor (3) are arranged in the storage space B (12b) in a top-to-bottom manner. A pipe hole (1a) capable of allowing a first oil pipe (6) to pass through is provided on the front portion of the upper end of the base frame (11). A pipe hole (1b) capable of allowing a second oil pipe (7) to pass through is provided on the front side surface of the upper frame (12). The second oil pipe (7) is also provided with a through-port (1c). The third oil pipe (8) is arranged in the storage space A (11a). The front side surface of the upper frame (12) is also provided with a test port (121) capable of allowing an output shaft of the test motor (3) to pass through.

7. The oil pump testing device according to claim 2, characterized in that: The electric controller (2) is also provided with a touch screen (21), which is exposed at the upper part of the front side of the upper shelf (12). The front side of the upper shelf (12) is also provided with an operation button (22).

8. An oil pump testing device according to claim 1 or 2, characterized in that: The detector (9) is integrated with a flow meter (91), an oil pressure sensor (92), and an oil temperature sensor (93).

9. An oil pump testing device according to claim 1 or 2, characterized in that: The liquid outlet valve (10) is a ball valve and is connected between the oil pump and the detector (9).

10. An oil pump testing device according to claim 1 or 2, characterized in that: Each oil pipe is connected to the corresponding liquid tank (4) and cooler (5) via a detachable joint.

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