CN111927754A - Test tool for oil pump - Google Patents
Test tool for oil pump Download PDFInfo
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- CN111927754A CN111927754A CN202010880088.6A CN202010880088A CN111927754A CN 111927754 A CN111927754 A CN 111927754A CN 202010880088 A CN202010880088 A CN 202010880088A CN 111927754 A CN111927754 A CN 111927754A
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- Prior art keywords
- oil
- outlet
- feedback
- oil pump
- channel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
Abstract
The invention relates to the technical field of oil pumps, in particular to a test tool of an oil pump, which comprises a test module and an engine support module, wherein the test module is provided with an oil outlet passage, a feedback oil passage, an oil outlet pressure detection piece for measuring the pressure of the oil outlet passage and a feedback pressure detection piece for measuring the pressure of the feedback oil passage, and the engine support module is provided with a lubricating oil passage; the oil pump to be tested is inversely arranged on the lower surface of the testing module, an oil suction port of the oil pump is communicated with the oil tank, an oil outlet of the oil pump is communicated with an inlet of an oil outlet channel, an outlet of the oil outlet channel is communicated with an inlet of a lubricating oil channel, an outlet of the lubricating oil channel is simultaneously communicated with an inlet of a feedback oil channel and the oil tank, and an outlet of the feedback oil channel is communicated with an adjusting port of the oil pump. The simulation test of the working condition of the internal inverted oil pump of the engine can be realized, the test working condition is well laminated with the practical application working condition, the test requirement of the internal inverted oil pump of the engine can be met, and the test result is accurate and effective.
Description
Technical Field
The invention relates to the technical field of oil pumps, in particular to a test tool for an oil pump.
Background
The engine oil pump is used for delivering the engine oil to the friction part of the engine, so that the engine oil circulates in the lubricating oil path of the engine bracket to ensure that the engine is well lubricated. The performance of an oil pump determines the lubrication effect of an engine lubrication system, and therefore it is necessary to detect the performance of the oil pump before use.
At present, a testing tool of an oil pump adopts a form of a normally installed oil pump, so that oil absorption height loss exists, the testing requirement of the oil pump which is installed outside an engine or is normally installed inside the engine can only be met, and for the oil pump which is reversely installed inside the engine, if the existing normally installed testing tool is adopted for detection, the testing working condition has larger deviation with the practical application working condition, so that the testing result is not accurate enough.
Disclosure of Invention
The invention aims to provide a test tool for an oil pump, which can meet the test requirements of an inverted oil pump in an engine so as to overcome the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: a test tool of an oil pump comprises a test module and an engine support module, wherein the test module is provided with an oil outlet duct, a feedback oil duct, an oil outlet pressure detection piece for measuring the pressure of the oil outlet duct and a feedback pressure detection piece for measuring the pressure of the feedback oil duct, and the engine support module is provided with a lubricating oil duct; the oil pump to be tested is inversely arranged on the lower surface of the testing module, an oil suction port of the oil pump is communicated with the oil tank, an oil outlet of the oil pump is communicated with an inlet of an oil outlet channel, an outlet of the oil outlet channel is communicated with an inlet of a lubricating oil channel, an outlet of the lubricating oil channel is simultaneously communicated with an inlet of a feedback oil channel and the oil tank, and an outlet of the feedback oil channel is communicated with an adjusting port of the oil pump.
Preferably, a flow meter and a regulating valve are arranged on a pipeline for communicating the outlet of the lubricating oil channel with the oil tank.
Preferably, the feedback oil passage comprises a first feedback branch and a second feedback branch, and an outlet of the lubricating oil passage is connected with an inlet of the first feedback branch and an inlet of the second feedback branch through a reversing valve.
Preferably, the feedback pressure detecting member includes a first feedback pressure detecting member for measuring the first feedback branch pressure and a second feedback pressure detecting member for measuring the second feedback branch pressure.
Preferably, the engine bracket module comprises an engine bracket body, a cooler and an oil filter, the lubricating oil passage is arranged in the engine bracket body, and the cooler and the oil filter are both arranged on the engine bracket body and communicated with the lubricating oil passage.
Preferably, the engine bracket body is provided with a sealing plate for sealing the lubricating oil passage, and an inlet and an outlet of the lubricating oil passage are both arranged on the sealing plate.
Preferably, the test module comprises a main mounting plate, a mounting block arranged on the upper surface of the main mounting plate and a drawing plate arranged on the lower surface of the main mounting plate, the oil pump is inversely arranged on the lower surface of the drawing plate, the oil outlet duct and the feedback duct penetrate through the drawing plate, the main mounting plate and the mounting block, and the oil outlet pressure detection piece and the feedback pressure detection piece are arranged on the mounting block.
Preferably, the lower surface of the main mounting plate is provided with a bottom plate for supporting the drawing plate, and the drawing plate is inserted between the bottom plate and the main mounting plate.
Preferably, the test module is installed on a first locating plate, the engine bracket module is installed on a second locating plate, and the first locating plate and the second locating plate are installed on the installation interface plate.
Preferably, the installation interface board is provided with a controller, and the oil outlet pressure detection piece, the feedback pressure detection piece and the oil pump are all connected with the controller.
Compared with the prior art, the invention has the remarkable progress that:
according to the testing tool for the oil pump, the oil pump to be tested is inversely arranged on the lower surface of the testing module, and the actual lubricating oil channel structure of the engine support is simulated by the lubricating oil channel of the engine support module, so that the simulation test of the working condition of the inverted oil pump in the engine is realized, the testing working condition is well jointed with the actual application working condition, the testing requirement of the inverted oil pump in the engine can be met, and the accurate and effective testing result is ensured.
Drawings
Fig. 1 is a schematic diagram of a testing tool for an oil pump according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a view angle after the connecting pipeline is removed by the test tool for the oil pump according to the embodiment of the invention.
Fig. 3 is a schematic perspective view of another view angle of the test tool for an oil pump according to the embodiment of the present invention after the connecting pipeline is removed.
Fig. 4 is a schematic diagram of a test module and an oil pump in a test tool for an oil pump according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an engine bracket body in the test tool for the oil pump according to the embodiment of the invention.
Wherein the reference numerals are as follows:
1. test module 1-1, main mounting plate
1-2, mounting block 1-3, drawing plate
1-4, a bottom plate 101 and an oil outlet channel
102. Feedback oil duct 11 and oil outlet pressure detection piece
12. Feedback pressure detection piece 121, first feedback pressure detection piece
122. Second feedback pressure detection piece 13 and flowmeter
14. Adjusting valve 15 and reversing valve
16. First joint 17, cylinder briquetting
18. Second joint 2 and engine support module
201. Lubricating oil passage 201a, inlet of lubricating oil passage
201b, outlet 21 of lubricating oil channel, engine bracket body
211. First mounting interface 212, second mounting interface
213. Oil passage inlet and outlet 22 and cooler
23. Oil filter 24, seal plate
3. Oil pump 3a and oil suction port of oil pump
3b, an oil outlet 3c of the oil pump and an adjusting port of the oil pump
301. Oil suction pipe 302 and driving motor
4. Oil tank 5 and first positioning plate
6. Second positioning plate 7 and installation interface plate
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 5, an embodiment of a testing tool for an oil pump according to the present invention is provided.
Referring to fig. 1, fig. 2 and fig. 3, the testing tool for the oil pump of the present embodiment includes a testing module 1 and an engine mount module 2. The test module 1 has an oil outlet passage 101, a feedback oil passage 102, an oil outlet pressure detecting part 11 for measuring the pressure of the oil outlet passage 101, and a feedback pressure detecting part 12 for measuring the pressure of the feedback oil passage 102. The engine mount module 2 has a lubrication oil passage 201, which lubrication oil passage 201 simulates the actual lubrication oil passage configuration of the engine mount. The oil pump 3 to be tested is inversely arranged on the lower surface of the testing module 1, the oil pump 3 is provided with an oil suction port 3a, an oil outlet 3b and an adjusting port 3c, the oil suction port 3a, the oil outlet 3b and the adjusting port 3c are all arranged on a pump body of the oil pump 3 and are communicated with an inner cavity of the pump body, the oil suction port 3a is used for inputting hydraulic oil, the oil outlet 3b is used for outputting hydraulic oil, the adjusting port 3c is used for a feedback oil path to pass through, and the adjusting port 3c can be provided with an adjusting valve used for adjusting the pressure. The oil pump 3 is inverted, that is, the horizontal plane of the oil suction port 3a of the assembled oil pump 3 is lower than the horizontal plane of the oil outlet 3b and the adjusting port 3c of the oil pump 3. In this embodiment, the oil pump 3 is inversely installed on the lower surface of the testing module 1, so that the oil outlet 3b and the adjusting port 3c of the oil pump 3 are connected to the lower surface of the testing module 1 in a matching manner and are respectively communicated with the oil outlet channel 101 and the feedback channel 102 in the testing module 1, the oil suction port 3a of the oil pump 3 is opposite to the oil tank 4 disposed below the testing module 1, and the oil suction port 3a of the oil pump 3 is communicated with the oil tank 4 through the oil suction pipe 301. The oil pump 3 is connected with the driving motor 302, and the driving motor 302 drives the oil pump 3 to run. An oil outlet 3b of the oil pump 3 is communicated with an inlet of an oil outlet channel 101 in the testing module 1, an outlet of the oil outlet channel 101 is communicated with an inlet 201a of a lubricating oil channel 201 in the engine bracket module 2, an outlet 201b of the lubricating oil channel 201 is simultaneously communicated with an inlet of the feedback oil channel 102 and the oil tank 4, and an outlet of the feedback oil channel 102 is communicated with an adjusting port 3c of the oil pump 3.
The working principle of the testing tool for the oil pump of the embodiment is as follows: the oil pump 3 inversely arranged on the lower surface of the test module 1 runs under the drive of a drive motor 302, an oil suction pipe 301 at an oil suction port 3a sucks hydraulic oil in an oil tank 4 and outputs the hydraulic oil from an oil outlet 3b, the hydraulic oil output from the oil outlet 3b of the oil pump 3 enters an oil outlet channel 101 of the test module 1, is conveyed to an inlet 201a of a lubricating oil channel 201 of the engine support module 2 through an outlet of the oil outlet channel 101, flows out from an outlet 201b of the lubricating oil channel 201 after flowing through the lubricating oil channel 201, the hydraulic oil flowing out of the outlet 201b of the lubricating oil channel 201 is divided into two paths, one of the two paths enters an inlet of a feedback oil channel 102, is conveyed to an adjusting port 3c of the oil pump 3 through the feedback oil channel 102; the other is delivered to the oil tank 4. Therefore, circulation of hydraulic oil in the oil tank 4, the oil pump 3, the test module 1 and the engine support module 2 is realized, and the performance of the oil pump 2 is tested through the circulation working condition. During the test, the pressure in the oil outlet passage 101 is measured by the oil outlet pressure detecting element 11, so that the output hydraulic oil pressure of the oil outlet 3b of the oil pump 3 can be obtained. The pressure in the feedback oil passage 102 is detected by the feedback pressure detecting member 12, whereby the hydraulic oil pressure returned from the engine mount block 2 to the oil pump 3 can be obtained.
From this, the test fixture of the oil pump of this embodiment simulates the actual lubricating oil duct structure of the engine bracket by the lubricating oil duct 201 of the engine bracket module 2 through the oil pump 3 flip-chip to be tested at the lower surface of the test module 1, so that the simulation test of the working condition of the flip-chip oil pump in the engine is realized, the test working condition is well laminated with the actual application working condition, the test requirement of the flip-chip oil pump in the engine can be met, and the test result is ensured to be accurate and effective.
In the present embodiment, referring to fig. 1, it is preferable that a flow meter 13 and a regulating valve 14 are provided on a pipeline connecting an outlet 201b of the lubricating oil passage 201 of the engine mount module 2 and the oil tank 4. One path of hydraulic oil flowing out of the outlet 201b of the lubricating oil passage 201 flows through the flow meter 13 and the regulating valve 14 and then enters the oil tank 4. The flow meter 13 is used for measuring the flow rate of the hydraulic oil flowing into the oil tank 4 after passing through the lubricating oil channel 201 of the engine bracket module 2, and the regulating valve 14 is used for regulating and controlling the flow rate, namely regulating the pressure of the hydraulic oil in a pipeline communicating the outlet 201b of the lubricating oil channel 201 of the engine bracket module 2 with the oil tank 4, so that the testing working condition can be regulated according to the testing requirement.
In the present embodiment, referring to fig. 2 and 4, preferably, the feedback oil passage 102 includes two parallel branches, namely a first feedback branch and a second feedback branch. The inlet of the first feedback branch and the inlet of the second feedback branch are both communicated with the outlet 201b of the lubricating oil channel 201 of the engine bracket module 2, and the outlet 201b of the lubricating oil channel 201 is connected with the inlet of the first feedback branch and the inlet of the second feedback branch through the reversing valve 15. The outlet of the first feedback branch and the outlet of the second feedback branch are both communicated with an adjusting port 3c of the oil pump 3. The oil pump 3 may be provided with two adjusting ports 3c, and the two adjusting ports 3c are respectively communicated with the outlet of the first feedback branch and the outlet of the second feedback branch. The oil pump 3 has two working states of high pressure and low pressure, and the first feedback branch and the second feedback branch are respectively used for allowing hydraulic oil returned from the lubricating oil channel 201 of the engine bracket module 2 to the oil pump 3 to pass through under the working states of high pressure and low pressure of the oil pump 3. By reversing through the reversing valve 15, one path of hydraulic oil flowing out of the outlet 201b of the lubricating oil channel 201 can return to the oil pump 3 through the first feedback branch or the second feedback branch according to different working states of the oil pump 3, so that the high-pressure and low-pressure working states of the oil pump 3 can be simulated in a matched manner. The direction valve 15 may be a solenoid valve. Further, the feedback pressure detecting member 12 includes a first feedback pressure detecting member 121 for measuring the first feedback branch pressure and a second feedback pressure detecting member 122 for measuring the second feedback branch pressure. In this embodiment, the first feedback branch and the first feedback pressure detecting element 121 are a working branch and a feedback pressure detecting element in a high-pressure working state of the oil pump 3, and the second feedback pressure detecting element 122 for detecting the pressure of the second feedback branch is a working branch and a feedback pressure detecting element in a low-pressure working state of the oil pump 3.
In this embodiment, referring to fig. 2 and 4, preferably, the test module 1 is provided with a first joint 16 at an outlet of the oil outlet channel 101, and an interface of the first joint 16 is communicated with an inlet 201a of the lubricating oil channel 201 in the engine bracket module 2 through a pipeline, so that the outlet of the oil outlet channel 101 is communicated with the inlet 201a of the lubricating oil channel 201. Preferably, the first joint 16 and the outlet of the oil outlet passage 101 may be communicated through an air cylinder block 17, and the air cylinder block 17 may perform a sealing function. Preferably, the test module 1 is provided with a second joint 18 at the inlet of the feedback oil passage 102, and an interface of the second joint 18 is communicated with the outlet 201b of the lubricating oil passage 201 in the engine bracket module 2 through a pipeline, so that the inlet of the feedback oil passage 102 is communicated with the outlet 201b of the lubricating oil passage 201.
In the present embodiment, referring to fig. 2, preferably, the engine bracket module 2 includes an engine bracket body 21, a cooler 22, and an oil filter 23. The engine bracket body 21 is an engine bracket structure in practical application, and the lubricating oil passage 201 is arranged inside the engine bracket body 21 and is also a lubricating oil passage structure of the engine bracket structure in practical application. The cooler 22 and the oil filter 23 are both mounted on the engine bracket body 21 and communicate with the lubricating oil passage 201. The cooler 22 is used for cooling the high-temperature hydraulic oil flowing through the lubricating oil channel 201, and preventing the pipeline and components from being damaged due to overhigh oil temperature. The oil filter 23 is used to filter residual impurities in the hydraulic oil flowing through the lubricating oil passage 201, and avoid bringing the impurities into the oil passage to damage the engine. The engine bracket module 2 formed by assembling the cooler 22, the oil filter 23 and the engine bracket body 21 is consistent with the structure of an engine in practical application. That is, the testing tool for the oil pump of the present embodiment directly combines an engine support structure and a lubricating oil passage structure in practical application and structural elements of a cooler and an oil filter assembled on the engine support to simulate the working condition of the oil pump 3, and compared with the testing tool for the oil pump in the prior art, the testing tool for the oil pump of the present embodiment adopts a self-made component to replace an engine component, and obviously, the testing tool for the oil pump of the present embodiment can more accurately simulate the flow passage structure of the lubricating oil passage of the engine, so that fluid resistance and pressure drop completely conforming to the practical application working condition are formed, so that the testing working condition for the oil pump 3 more conforms to the practical application working condition.
In this embodiment, referring to fig. 5, the engine bracket body 21 is provided with a first mounting interface 211, a second mounting interface 212, and an oil passage inlet and outlet 213 on the lubricating oil passage 201. The cooler 22 is installed at the first installation interface 211, the oil filter 23 is installed at the second installation interface 212, and the oil passage inlet and outlet 213 is used for the inlet and outlet of the lubricating oil passage 201. Preferably, referring to fig. 2, a sealing plate 24 is provided on the engine bracket body 21, the sealing plate 24 is installed at the oil passage inlet/outlet 213 and seals the lubricating oil passage 201, and the inlet 201a and the outlet 201b of the lubricating oil passage 201 are provided on the sealing plate 24.
In the present embodiment, referring to fig. 3 and 4, preferably, the test module 1 includes a main mounting plate 1-1, a mounting block 1-2 and a drawing plate 1-3. The mounting block 1-2 is arranged on the upper surface of the main mounting plate 1-1, the pumping plate 1-3 is arranged on the lower surface of the main mounting plate 1-1, the oil pump 3 is inversely arranged on the lower surface of the pumping plate 1-3, an oil outlet 3b of the oil pump 3 is connected with the lower surface of the pumping plate 1-3 in a matching way, and the oil tank 4 is arranged below the pumping plate 1-3. By adjusting the distance between the test module 1 and the oil tank 4, the oil suction height of the oil pump 3 can be adjusted. An oil outlet channel 101 and a feedback channel 102 of the test module 1 penetrate through the pumping plate 1-3, the main mounting plate 1-1 and the mounting block 1-2, an inlet of the oil outlet channel 101 and an outlet of the feedback channel 102 are both located on the lower surface of the pumping plate 1-3 and are respectively communicated with an oil outlet 3b and an adjusting port 3c of the oil pump 3, an outlet of the oil outlet channel 101 and an inlet of the feedback channel 102 are both located on the outer surface of the mounting block 1-2 and are respectively connected with the first joint 16 and the second joint 18, an oil outlet pressure detection part 11 and a feedback pressure detection part 12 (a first feedback pressure detection part 121 and a second feedback pressure detection part 122) are both arranged on the mounting block 1-2, and a reversing valve 15 is also mounted on the mounting block 1-2.
Further, the lower surface of the main mounting plate 1-1 can be provided with a bottom plate 1-4, the bottom plate 1-4 supports a drawing plate 1-3, and the drawing plate 1-3 is inserted between the bottom plate 1-4 and the main mounting plate 1-1. When the oil pump 3 is assembled, the drawing plate 1-3 can be firstly drawn out from the position between the base plate 1-4 and the main mounting plate 1-1, the oil pump 3 is assembled on the lower surface of the drawing plate 1-3, then the drawing plate 1-3 is inserted into the position between the base plate 1-4 and the main mounting plate 1-1 to be supported on the base plate 1-4, and then the drawing plate 1-3 is connected with the main mounting plate 1-1. This facilitates the installation of the oil pump 3 on the test module 1. Preferably, there are two bottom plates 1-4, the two bottom plates 1-4 are oppositely arranged on the lower surface of the main mounting plate 1-1 at intervals, two opposite slots are formed between the two bottom plates 1-4 and the lower surface of the main mounting plate 1-1, and the drawing plate 1-3 is inserted and supported in the two slots.
In this embodiment, referring to fig. 2 and fig. 3, preferably, the test module 1 is mounted on the first positioning plate 5, the main mounting plate 1-1 of the test module 1 is fixedly connected to the first positioning plate 5, and the driving motor 302 is also supported on the first positioning plate 5, thereby realizing the fixed support of the test module 1 on the first positioning plate 5. The engine bracket module 2 is mounted on the second positioning plate 6, and the engine bracket body 21 of the engine bracket module 2 is fixedly connected with the second positioning plate 6, so that the engine bracket module 2 is fixedly supported on the second positioning plate 6. The first positioning plate 5 and the second positioning plate 6 are both installed on the installation interface plate 7, so that the integrated positioning of the test module 1 and the engine bracket module 2 on the same installation interface plate 7 is realized.
In this embodiment, preferably, a controller (not shown in the figure) may be disposed on the mounting interface board 7, and the oil outlet pressure detecting element 11, the feedback pressure detecting element 12, and the oil pump 3 are all connected to the controller, so that the controller adjusts and controls the test condition of the oil pump 3 and collects test data. In this embodiment, preferably, the oil outlet pressure detecting element 11, the first feedback pressure detecting element 121, the second feedback pressure detecting element 122, the flow meter 13, the regulating valve 14, the reversing valve 15, and the driving motor 302 for driving the operation of the oil pump 3 are all connected to a controller, the pressure information in the oil outlet passage 101 measured by the oil outlet pressure detecting element 11, the pressure information in the first feedback branch measured by the first feedback pressure detecting element 121, the pressure information in the second feedback branch measured by the second feedback pressure detecting element 122, and the flow information in the pipeline connecting the outlet 201b of the lubricating oil passage 201 and the oil tank 4 measured by the flow meter 13 are all transmitted to the controller, the controller receives and displays the pressure information and the flow information, and the controller can adjust and control the operating states of the regulating valve 14, the reversing valve 15, and the driving motor 302 according to the received pressure information and flow information and test requirements, the testing working condition of the oil pump 3 is adjusted and controlled, and the simulation test of different working conditions of the oil pump 3 can be realized. In this embodiment, the form of the controller is not limited, and an existing controller, such as a PLC controller or a single chip microcomputer, may be used.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The test tool of the oil pump is characterized by comprising a test module (1) and an engine support module (2), wherein the test module (1) is provided with an oil outlet channel (101), a feedback oil channel (102), an oil outlet pressure detection piece (11) for measuring the pressure of the oil outlet channel (101) and a feedback pressure detection piece (12) for measuring the pressure of the feedback oil channel (102), and the engine support module (2) is provided with a lubricating oil channel (201); the oil pump (3) to be tested is inversely arranged on the lower surface of the testing module (1), an oil suction port (3a) of the oil pump (3) is communicated with an oil tank (4), an oil outlet (3b) of the oil pump (3) is communicated with an inlet of the oil outlet channel (101), an outlet of the oil outlet channel (101) is communicated with an inlet (201a) of the lubricating oil channel (201), an outlet (201b) of the lubricating oil channel (201) is simultaneously communicated with an inlet of the feedback oil channel (102) and the oil tank (4), and an outlet of the feedback oil channel (102) is communicated with an adjusting port (3c) of the oil pump (3).
2. The oil pump testing tool according to claim 1, characterized in that a flow meter (13) and a regulating valve (14) are arranged on a pipeline for communicating an outlet (201b) of the lubricating oil channel (201) with the oil tank (4).
3. The oil pump testing tool according to claim 1, wherein the feedback oil passage (102) comprises a first feedback branch and a second feedback branch, and an outlet (201b) of the lubricating oil passage (201) is connected with an inlet of the first feedback branch and an inlet of the second feedback branch through a reversing valve (15).
4. The oil pump test tool according to claim 3, wherein the feedback pressure detector (12) comprises a first feedback pressure detector (121) for measuring the first feedback branch pressure and a second feedback pressure detector (122) for measuring the second feedback branch pressure.
5. The oil pump testing tool set forth in claim 1, wherein the engine bracket module (2) comprises an engine bracket body (21), a cooler (22) and an oil filter (23), the oil passage (201) is arranged inside the engine bracket body (21), and the cooler (22) and the oil filter (23) are both mounted on the engine bracket body (21) and communicated with the oil passage (201).
6. The oil pump testing tool according to claim 5, characterized in that a sealing plate (24) for sealing the lubricating oil channel (201) is arranged on the engine support body (21), and an inlet (201a) and an outlet (201b) of the lubricating oil channel (201) are arranged on the sealing plate (24).
7. The oil pump test tool according to claim 1, wherein the test module (1) comprises a main mounting plate (1-1), a mounting block (1-2) arranged on the upper surface of the main mounting plate (1-1), and a pumping plate (1-3) arranged on the lower surface of the main mounting plate (1-1), the oil pump (3) is inversely arranged on the lower surface of the pumping plate (1-3), the oil outlet passage (101) and the feedback passage (102) both penetrate through the pumping plate (1-3), the main mounting plate (1-1) and the mounting block (1-2), and the oil outlet pressure detection piece (11) and the feedback pressure detection piece (12) are both arranged on the mounting block (1-2).
8. The oil pump testing tool according to claim 7, characterized in that a bottom plate (1-4) supporting the drawing plate (1-3) is arranged on the lower surface of the main mounting plate (1-1), and the drawing plate (1-3) is inserted between the bottom plate (1-4) and the main mounting plate (1-1).
9. The oil pump testing tool according to claim 1, characterized in that the testing module (1) is mounted on a first positioning plate (5), the engine bracket module (2) is mounted on a second positioning plate (6), and the first positioning plate (5) and the second positioning plate (6) are both mounted on a mounting interface plate (7).
10. The oil pump testing tool according to claim 9, wherein a controller is arranged on the mounting interface plate (7), and the oil outlet pressure detecting piece (11), the feedback pressure detecting piece (12) and the oil pump (3) are connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010880088.6A CN111927754A (en) | 2020-08-27 | 2020-08-27 | Test tool for oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010880088.6A CN111927754A (en) | 2020-08-27 | 2020-08-27 | Test tool for oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111927754A true CN111927754A (en) | 2020-11-13 |
Family
ID=73309971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010880088.6A Pending CN111927754A (en) | 2020-08-27 | 2020-08-27 | Test tool for oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111927754A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215737A (en) * | 2021-12-17 | 2022-03-22 | 重庆百吉四兴压铸有限公司 | Oil pump quality detection system |
-
2020
- 2020-08-27 CN CN202010880088.6A patent/CN111927754A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215737A (en) * | 2021-12-17 | 2022-03-22 | 重庆百吉四兴压铸有限公司 | Oil pump quality detection system |
| CN114215737B (en) * | 2021-12-17 | 2023-10-13 | 重庆百吉四兴压铸有限公司 | Oil pump quality detection system |
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