CN115807764A - Oil pump testing device - Google Patents
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- CN115807764A CN115807764A CN202310123477.8A CN202310123477A CN115807764A CN 115807764 A CN115807764 A CN 115807764A CN 202310123477 A CN202310123477 A CN 202310123477A CN 115807764 A CN115807764 A CN 115807764A
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 239000000523 sample Substances 0.000 claims description 30
- 238000004364 calculation method Methods 0.000 claims description 19
- 238000005286 illumination Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 5
- 239000003921 oil Substances 0.000 description 14
- 239000012208 gear oil Substances 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010205 computational analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Abstract
The utility model provides an oil pump testing arrangement, relate to the oil pump field, it includes first end cover, the second end cover, irradiation device, the daylighting device, be equipped with first light transmission region on the first end cover, be equipped with second light transmission region on the second end cover, first light transmission region aligns along the direction that is on a parallel with the pivot with second light transmission region, first light transmission region and second light transmission region are located between two pivots, driving gear and driven gear meshing position are located first light transmission region and second light transmission region border inboard, irradiation device is suitable for the transmitted light and makes light shine to second light transmission region through first light transmission region, the daylighting device is suitable for the light of gathering through second light transmission region. Light penetrates through the first light-transmitting area, penetrates through a gap at the meshing part of the driving gear and the driven gear, then penetrates through the second light-transmitting area to be collected by the lighting device, and the computer analyzes collected data and judges the cavitation degree according to the sign quantity or the coverage area.
Description
Technical Field
The application relates to an oil pump test technical field especially relates to an oil pump testing arrangement.
Background
The gear oil pump is a hydraulic oil pumping device, which generally comprises a shell, a driving gear and a driven gear, wherein the driving gear and the driven gear are arranged inside the shell and are respectively connected with the shell in a rotating manner, the driving gear is connected with an external motor, the tops of the driving gear and the driven gear are respectively arranged in a contact manner with the inner side semicircular wall of the shell, an input port and an output port are arranged on the shell, the driving gear and the driven gear divide the inner space of the shell into a positive pressure cavity and a negative pressure cavity, the input port is communicated with the negative pressure cavity, the output port is communicated with the positive pressure cavity, the motor drives the driving gear to rotate, the driving gear is meshed with the driven gear, the driving gear drives the driven gear to rotate, positive pressure is generated in the positive pressure cavity and negative pressure is generated in the negative pressure cavity by means of the meshing state change of the teeth, and therefore hydraulic oil is pumped continuously, and flows in from the input port and flows out of the output port.
Because the tooth surfaces of the driving gear and the driven gear are influenced by cavitation when being separated in the process of changing the meshing state, the larger the cavitation degree is, the larger the damage to the tooth surfaces is, and the shorter the service life of the gear oil pump is, the gear oil pump needs to test the cavitation degree before delivery or in the research and development process, however, in the prior art, continuous work is usually adopted until the error of pumping oil pressure exceeds an allowable range, and then the tooth surfaces are disassembled to observe whether damage occurs due to cavitation, the continuous work test mode in the prior art is not only low in efficiency, but also the source of the error is interfered by other factors, and the observation result is difficult to accurately judge the cavitation degree.
Disclosure of Invention
The application provides an oil pump testing arrangement for solve and be difficult to the technical problem of test gear oil pump cavitation erosion degree among the prior art.
In the embodiment of the application, an oil pump testing arrangement is provided, including first end cover, second end cover, irradiation device, daylighting device, first end cover with the second end cover is suitable for fixed cover respectively and connects the both ends at the casing, first end cover with second end cover parallel arrangement, the driving gear that is located the casing and driven gear be suitable for through the pivot respectively with first end cover and the second end cover rotates and connects, be equipped with first light transmission region on the first end cover, be equipped with second light transmission region on the second end cover, first light transmission region with second light transmission region aligns along the direction that is on a parallel with the pivot, first light transmission region with second light transmission region is located between two pivots, driving gear and driven gear meshing position are located first light transmission region with second light transmission region border is inboard, irradiation device is suitable for the transmitted light and makes light pass through first light transmission region shine to second light transmission region, daylighting device is suitable for gathering the light that passes through second light transmission region, daylighting device is suitable for being connected with the computer to give the computer with the data transmission of gathering and carry out the light and calculate.
In some implementations of embodiments of the present application, the illumination device includes a parallel light projector fixedly connected to a face of the first end cap away from the second end cap, a lens of the parallel light projector facing the second light-transmissive region, and the first light-transmissive region is located inside the lens of the parallel light projector.
In some embodiments of the present application, the lighting device includes a camera, the camera is fixedly connected to a surface of the second end cap away from the first end cap, a lens of the camera faces the first light-transmitting area, and the second light-transmitting area is located inside the lens of the camera.
In some implementations of the embodiments of the present application, a light shielding tube is fixedly connected to a surface of the second end cap away from the first end cap, the light shielding tube is perpendicular to the second end cap, the second light-transmitting area is located inside the light shielding tube, one end of the light shielding tube away from the second end cap is fixedly connected to a lens edge of the camera, and the camera is fixedly connected to the second end cap through the light shielding tube.
In some embodiments of the present application, a curtain plate is fixedly connected to an inner side of the light shielding cylinder, the curtain plate has a semi-transparency property, the curtain plate is in a sheet shape, and the curtain plate is parallel to the rotation shaft.
In some embodiments of this application embodiment, first end cover is kept away from the first hydraulic sensor of one side fixedly connected with of second end cover, first hydraulic sensor's probe runs through first end cover stretches into to the malleation intracavity, first hydraulic sensor's probe is located the center in malleation chamber and is close to one side of first end cover, first hydraulic sensor is suitable for and is connected with the computer, first hydraulic sensor is suitable for the hydraulic pressure that detects in the malleation intracavity and supplies the computer to calculate with detecting data transmission.
In some embodiments of this application embodiment, the second end cover is kept away from the one side fixedly connected with second hydraulic sensor of first end cover, second hydraulic sensor's probe runs through the second end cover stretches into to the malleation intracavity, second hydraulic sensor's probe is located the center in malleation chamber and is close to one side of second end cover, second hydraulic sensor is suitable for and is connected with the computer, second hydraulic sensor is suitable for the hydraulic pressure that detects in the malleation intracavity and supplies the computer to calculate with detecting data transmission for the computer.
In some embodiments of this application embodiment, first end cover is kept away from the one side fixedly connected with third hydraulic sensor of second end cover, third hydraulic sensor's probe runs through first end cover stretches into to the negative pressure intracavity, third hydraulic sensor's probe is located the center in negative pressure chamber and is close to one side of first end cover, third hydraulic sensor is suitable for and is connected with the computer, third hydraulic sensor is suitable for the hydraulic pressure that detects the negative pressure intracavity and supplies the computer to calculate with detecting data transmission, third hydraulic sensor is suitable for and is connected with the computer, third hydraulic sensor is suitable for the hydraulic pressure that detects the positive pressure intracavity and supplies the computer to calculate with detecting data transmission.
In some embodiments of this application embodiment, the second end cover is kept away from the one side fixedly connected with fourth hydraulic sensor of first end cover, fourth hydraulic sensor's probe runs through the second end cover stretches into to the negative pressure intracavity, fourth hydraulic sensor's probe is located the center in negative pressure chamber and is close to one side of second end cover, fourth hydraulic sensor is suitable for and is connected with the computer, fourth hydraulic sensor is suitable for the hydraulic pressure that detects the malleation intracavity and supplies the computer to calculate with detecting data transmission.
In some embodiments of this application embodiment, first light transmission zone's border with the projection coincidence in the direction that is on a parallel with the pivot is followed to second light transmission zone's border, first light transmission zone's border is the rectangle, first light transmission zone's border length direction is perpendicular with driving gear and driven gear center line, first light transmission zone's border width direction is parallel with driving gear and driven gear center line, first light transmission zone's border length is the triple of the tooth thickness of driving gear, first light transmission zone's border center is located driving gear and driven gear center line, first light transmission zone's border center is located the reference circle of driving gear, first light transmission zone's border width is greater than the tooth height of driving gear and is less than first light transmission zone's border length.
The application has the following beneficial effects:
the irradiation device and the lighting device are respectively connected with a computer, after the irradiation device emits light, light penetrates through the first light transmission area, penetrates through a gap at the meshing part of the driving gear and the driven gear, and is collected by the lighting device through the second light transmission area, the lighting device transmits collected light data to the computer, the computer carries out calculation analysis on the light data, an analysis model is established in the computer, characteristics are manually extracted from an image in each sample data, for example, if a black point exists between teeth in the image, the situation that a vacuum pressure bubble appears is indicated, the black point is taken as characteristic data, all the characteristic data are independently stored, continuous testing is not needed in the subsequent testing process until errors exceed an allowable range, only short testing time is needed, the computer analyzes the collected data according to the characteristic data, whether the black point matched with the characteristic data exists in the collected image data or not exists is judged, if the black point exists, the number or the coverage area is calculated, if the number or the coverage area exceeds a preset value, the cavitation degree is judged to be too large, and the oil pump needs to be maintained or the parameters need to be adjusted.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following descriptions are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an oil pump testing device in an embodiment of the present application;
FIG. 2 is a top view of an oil pump testing apparatus in an embodiment of the present application;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 3;
fig. 7 is a partially enlarged view of fig. 6 at E.
Reference numerals:
101. a first end cap; 102. a second end cap; 103. an irradiation device; 104. a lighting device; 105. a driving gear; 106. a driven gear; 107. a first light-transmitting region; 108. a second light-transmitting region; 109. a rotating shaft; 110. a shading cylinder; 111. a curtain plate; 112. a first hydraulic pressure sensor; 113. a positive pressure chamber; 114. a second hydraulic pressure sensor; 115. a third hydraulic pressure sensor; 116. a negative pressure chamber; 117. a fourth hydraulic pressure sensor; 118. a housing; 119. a void.
Detailed Description
Embodiments of the present application are described in further detail below with reference to the figures and examples, and the terminology used in the description of the embodiments of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the present application.
As shown in fig. 1 to 6, in an embodiment of the present application, an oil pump testing apparatus is provided, which includes a first end cap 101, a second end cap 102, an illuminating device 103, and a light collecting device 104, wherein the first end cap 101 and the second end cap 102 are adapted to be respectively fixedly covered at two ends of a housing 118, the first end cap 101 and the second end cap 102 are arranged in parallel, a driving gear 105 and a driven gear 106 located in the housing 118 are adapted to be respectively rotatably connected with the first end cap 101 and the second end cap 102 through a rotating shaft 109, the first end cap 101 is provided with a first light-transmitting region 107, the second end cap 102 is provided with a second light-transmitting region 108, the first light-transmitting region 107 and the second light-transmitting region 108 are aligned in a direction parallel to the rotating shaft 109, the first light-transmitting region 107 and the second light-transmitting region 108 are located between the two rotating shafts 109, an engagement portion of the driving gear 105 and the driven gear 106 is located inside a boundary of the first light-transmitting region 107 and the second light-transmitting region 108, the illuminating device 103 is adapted to emit light and transmit the light through the first light-transmitting region 107 to the second light-transmitting region 108, the light-transmitting device 104 is adapted to be connected with a computer to collect data of the computer, and transmit the computer.
Through the above embodiment of the present embodiment, the illuminating device 103 and the lighting device 104 are respectively connected to the computer, after the illuminating device 103 emits light, light passes through the first light-transmitting area 107, passes through the gap 119 between the meshing parts of the driving gear 105 and the driven gear 106, and then passes through the second light-transmitting area 108 to be collected by the lighting device 104, the lighting device 104 transmits collected light data to the computer, the computer performs calculation and analysis on the light data, an analysis model is built in the computer, and the method for acquiring the analysis model is as follows: the method comprises the steps that a gear oil pump is used for continuous testing in the prior art until an error exceeds an allowable range, data collected by a computer are used as sample data, the gear oil pump is disassembled to observe whether tooth surface damage exists or not, if the tooth surface damage exists, the sample data are used as effective data and stored in a database, otherwise, the sample data are deleted, 30 test data of the gear oil pump are used as samples, namely, the sample capacity is 30, images in each sample data are manually extracted for characteristics, for example, black points exist between teeth in the images, pressure vacuum bubbles appear, the black points are used as characteristic data, all the characteristic data are stored independently, the subsequent testing process does not need to be continuously tested until the error exceeds the allowable range, only short time needs to be tested, the computer analyzes the collected data according to the characteristic data, judges whether black points matched with the characteristic data exist in the collected image data or not, if the black points exist, the number or the coverage area is calculated, and if the number or the coverage area exceeds a preset value, the cavitation degree is judged to be too large, and maintenance or research and development parameters need to be carried out on the gear oil pump; the first light-transmitting region 107 and the second light-transmitting region 108 are provided with notches, and the notches are filled with tempered glass.
In some embodiments of the present embodiment, the illuminating device 103 includes a parallel light searchlight, the parallel light searchlight is fixedly connected to a surface of the first end cover 101 away from the second end cover 102, a lens of the parallel light searchlight faces the second light-transmitting area 108, and the first light-transmitting area 107 is located inside the lens of the parallel light searchlight.
Through the above embodiment of this embodiment, the parallel light searchlight emits light to the lighting device 104 when operating, and since the light parallelism of the parallel light searchlight is high, the image received by the lighting device 104 is an orthographic projection image, which is convenient for the computer to perform calculation and analysis on the image, and can reduce the light blocked by the teeth of the driving gear 105 and the driven gear 106.
In some embodiments of this embodiment, the lighting device 104 comprises a camera, the camera is fixedly connected to a side of the second end cap 102 away from the first end cap 101, a lens of the camera faces the first light-transmitting area 107, and the second light-transmitting area 108 is located inside the lens of the camera.
Through the above embodiment of the present embodiment, the camera takes one picture every 1 second to 3 seconds, and continuously takes 30 pictures as collected data and transmits the data to the computer for computational analysis, so that the computer can reduce the amount of computation and photograph the meshing cavitation erosion states of different tooth surfaces.
In some embodiments of the present embodiment, a light shielding cylinder 110 is fixedly connected to a surface of the second end cap 102 away from the first end cap 101, the light shielding cylinder 110 is disposed perpendicular to the second end cap 102, the second light-transmitting region 108 is located inside the light shielding cylinder 110, an end of the light shielding cylinder 110 away from the second end cap 102 is fixedly connected to a lens edge of the camera, and the camera is fixedly connected to the second end cap 102 through the light shielding cylinder 110.
Through the above embodiment of this embodiment, the light-shielding cylinder 110 can shield external light from entering the lens of the camera, and reduce interference of ambient light on collected data.
In some embodiments of the present invention, a curtain plate 111 is fixedly connected to an inner side of the light shielding cylinder 110, the curtain plate 111 has a semi-transparency property, the curtain plate 111 is in a sheet shape, and the curtain plate 111 is disposed parallel to the rotation shaft 109.
With the above embodiment of the present embodiment, the cavitation state image is projected on the curtain plate 111, and the image captured by the camera is the image projected on the curtain plate 111, so that it is possible to avoid interference on image calculation and analysis due to excessive light intensity or light diffraction.
In some embodiments of this embodiment, a first hydraulic sensor 112 is fixedly connected to a surface of the first end cap 101 away from the second end cap 102, a probe of the first hydraulic sensor 112 penetrates through the first end cap 101 and extends into the positive pressure cavity 113, the probe of the first hydraulic sensor 112 is located at a side of the center of the positive pressure cavity 113 close to the first end cap 101, the first hydraulic sensor 112 is adapted to be connected to a computer, and the first hydraulic sensor 112 is adapted to detect hydraulic pressure in the positive pressure cavity 113 and transmit detected data to the computer for calculation by the computer.
In some embodiments of this embodiment, a second hydraulic sensor 114 is fixedly connected to a surface of the second end cover 102 away from the first end cover 101, a probe of the second hydraulic sensor 114 penetrates through the second end cover 102 and extends into the positive pressure cavity 113, the probe of the second hydraulic sensor 114 is located at a side of the center of the positive pressure cavity 113 close to the second end cover 102, the second hydraulic sensor 114 is adapted to be connected to a computer, and the second hydraulic sensor 114 is adapted to detect hydraulic pressure in the positive pressure cavity 113 and transmit detected data to the computer for calculation.
In some embodiments of the present embodiment, a third hydraulic pressure sensor 115 is fixedly connected to a side of the first end cap 101 away from the second end cap 102, a probe of the third hydraulic pressure sensor 115 penetrates through the first end cap 101 and extends into the negative pressure cavity 116, the probe of the third hydraulic pressure sensor 115 is located at a side of the center of the negative pressure cavity 116 close to the first end cap 101, the third hydraulic pressure sensor 115 is adapted to be connected to a computer, the third hydraulic pressure sensor 115 is adapted to detect the hydraulic pressure in the negative pressure cavity 116 and transmit the detected data to the computer for calculation, the third hydraulic pressure sensor 115 is adapted to be connected to the computer, and the third hydraulic pressure sensor 115 is adapted to detect the hydraulic pressure in the positive pressure cavity 113 and transmit the detected data to the computer for calculation.
In some embodiments of the present embodiment, a fourth hydraulic pressure sensor 117 is fixedly connected to a side of the second end cover 102 away from the first end cover 101, a probe of the fourth hydraulic pressure sensor 117 penetrates through the second end cover 102 and extends into the negative pressure cavity 116, the probe of the fourth hydraulic pressure sensor 117 is located at a side of the center of the negative pressure cavity 116 close to the second end cover 102, the fourth hydraulic pressure sensor 117 is adapted to be connected to a computer, and the fourth hydraulic pressure sensor 117 is adapted to detect hydraulic pressure in the positive pressure cavity 113 and transmit detected data to the computer for calculation.
Through the above embodiment of the present embodiment, by providing four hydraulic sensors (the first hydraulic sensor 112, the second hydraulic sensor 114, the third hydraulic sensor 115, and the fourth hydraulic sensor 117), the oil pressure values in the positive pressure chamber 113 and the negative pressure chamber 116 can be accurately acquired, the oil pressure values are corresponded to the image calculation result, for example, the oil pressure value is a, the cavitation degree is B, and if the cavitation degree is B and exceeds the preset range, it is described that the oil pressure value of the gear oil pump is a maximum, and the tooth surfaces of the driving gear 105 and the driven gear 106 are prevented from being damaged due to cavitation by reducing the rotation speed of the driving gear 105.
In some embodiments of the present embodiment, a projection of a boundary of the first light-transmitting area 107 and a boundary of the second light-transmitting area 108 along a direction parallel to the rotation axis 109 coincides, the boundary of the first light-transmitting area 107 is rectangular, a length direction of the boundary of the first light-transmitting area 107 is perpendicular to a central connecting line of the driving gear 105 and the driven gear 106, a width direction of the boundary of the first light-transmitting area 107 is parallel to a central connecting line of the driving gear 105 and the driven gear 106, a length of the boundary of the first light-transmitting area 107 is three times a tooth thickness of the driving gear 105, a center of the boundary of the first light-transmitting area 107 is located on the central connecting line of the driving gear 105 and the driven gear 106, a center of the boundary of the first light-transmitting area 107 is located on a pitch circle of the driving gear 105, and a width of the boundary of the first light-transmitting area 107 is greater than the tooth height of the driving gear 105 and smaller than the length of the boundary of the first light-transmitting area 107.
Through the above embodiment of the present embodiment, the boundary between the first light transmission region 107 and the second light transmission region 108 just covers the meshing gap 119 between the driving gear 105 and the driven gear 106, so as to reduce the calculation amount of the computer, avoid the influence of other regions on the calculation result, and contribute to improving the reliability of the calculation result.
The above examples are only for explaining the present application and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments of the present application without inventive contribution as needed after reading the present specification, but are protected by patent laws within the scope of the claims of the present application.
Claims (10)
1. The utility model provides an oil pump testing arrangement, its characterized in that, includes first end cover, second end cover, irradiation device, daylighting device, first end cover with the second end cover is suitable for fixed the lid respectively and connects the both ends at the casing, first end cover with second end cover parallel arrangement, be located driving gear and driven gear in the casing be suitable for through the pivot respectively with first end cover and the second end cover rotates to be connected, be equipped with first printing opacity region on the first end cover, be equipped with second printing opacity region on the second end cover, first printing opacity region with second printing opacity region aligns along the direction that is on a parallel with the pivot, first printing opacity region with second printing opacity region is located between two pivots, driving gear and driven gear meshing position are located first printing opacity region with second printing opacity region border is inboard, irradiation device is suitable for the transmission light and makes light pass through first printing opacity region shine to second printing opacity region, daylighting device is suitable for the collection and sees through the light in second printing opacity region, daylighting device is suitable for being connected with the computer to give the computer data transmission of gathering and carry out the computer and carry out the calculation.
2. The oil pump testing device of claim 1, wherein the illumination device comprises a collimated light projector fixedly connected to a side of the first end cap remote from the second end cap, a lens of the collimated light projector facing the second light transmissive region, and the first light transmissive region is located inside the lens of the collimated light projector.
3. The oil pump testing apparatus of claim 1, wherein the light collecting means comprises a camera fixedly attached to a side of the second end cap remote from the first end cap, a lens of the camera facing the first light transmissive region, and the second light transmissive region being located inside the lens of the camera.
4. The oil pump testing device of claim 3, wherein a light shielding cylinder is fixedly connected to a surface of the second end cap away from the first end cap, the light shielding cylinder is perpendicular to the second end cap, the second light-transmitting region is located inside the light shielding cylinder, an end of the light shielding cylinder away from the second end cap is fixedly connected to a lens edge of the camera, and the camera is fixedly connected to the second end cap through the light shielding cylinder.
5. The oil pump testing device of claim 4, wherein a screen plate is fixedly connected to the inner side of the light shielding cylinder, the screen plate has semi-transparency, the screen plate is in a sheet shape, and the screen plate is parallel to the rotating shaft.
6. The oil pump testing device of claim 1, wherein a first hydraulic sensor is fixedly connected to one surface of the first end cover, which is far away from the second end cover, a probe of the first hydraulic sensor penetrates through the first end cover and extends into the positive pressure cavity, the probe of the first hydraulic sensor is positioned at one side, which is close to the first end cover, of the center of the positive pressure cavity, the first hydraulic sensor is suitable for being connected with a computer, and the first hydraulic sensor is suitable for detecting hydraulic pressure in the positive pressure cavity and transmitting detection data to the computer for calculation.
7. The oil pump testing device of claim 6, wherein a second hydraulic sensor is fixedly connected to one side, away from the first end cover, of the second end cover, a probe of the second hydraulic sensor penetrates through the second end cover and extends into the positive pressure cavity, the probe of the second hydraulic sensor is located at one side, close to the second end cover, of the center of the positive pressure cavity, the second hydraulic sensor is suitable for being connected with a computer, and the second hydraulic sensor is suitable for detecting hydraulic pressure in the positive pressure cavity and transmitting detection data to the computer for calculation.
8. The oil pump testing device of claim 1, wherein a third hydraulic sensor is fixedly connected to one surface of the first end cover, which is far away from the second end cover, a probe of the third hydraulic sensor penetrates through the first end cover and extends into the negative pressure cavity, the probe of the third hydraulic sensor is positioned at one side, which is close to the first end cover, of the center of the negative pressure cavity, the third hydraulic sensor is suitable for being connected with a computer, the third hydraulic sensor is suitable for detecting the hydraulic pressure in the negative pressure cavity and transmitting the detection data to the computer for calculation, the third hydraulic sensor is suitable for being connected with the computer, and the third hydraulic sensor is suitable for detecting the hydraulic pressure in the positive pressure cavity and transmitting the detection data to the computer for calculation.
9. The oil pump testing device according to claim 8, wherein a fourth hydraulic sensor is fixedly connected to one surface, away from the first end cover, of the second end cover, a probe of the fourth hydraulic sensor penetrates through the second end cover and extends into the negative pressure cavity, the probe of the fourth hydraulic sensor is located at one side, close to the second end cover, of the center of the negative pressure cavity, the fourth hydraulic sensor is suitable for being connected with the computer, and the fourth hydraulic sensor is suitable for detecting hydraulic pressure in the positive pressure cavity and transmitting detection data to the computer for calculation.
10. The oil pump testing device according to any one of claims 1 to 9, wherein a boundary of the first light transmission region and a boundary of the second light transmission region coincide with each other in a projection in a direction parallel to a rotation axis, the boundary of the first light transmission region is rectangular, a boundary length direction of the first light transmission region is perpendicular to a central line between a driving gear and a driven gear, a boundary width direction of the first light transmission region is parallel to a central line between the driving gear and the driven gear, a boundary length of the first light transmission region is three times a tooth thickness of the driving gear, a boundary center of the first light transmission region is located on a central line between the driving gear and the driven gear, a boundary center of the first light transmission region is located on a pitch circle of the driving gear, and a boundary width of the first light transmission region is greater than a tooth height of the driving gear and smaller than a boundary length of the first light transmission region.
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| CN202310123477.8A CN115807764B (en) | 2023-02-16 | 2023-02-16 | Oil pump testing device |
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| CN202310123477.8A CN115807764B (en) | 2023-02-16 | 2023-02-16 | Oil pump testing device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5978500A (en) * | 1997-08-27 | 1999-11-02 | The United States Of America As Represented By Administrator Of The National Aeronautics And Space Administration | Video imaging system particularly suited for dynamic gear inspection |
| CN107003207A (en) * | 2015-03-13 | 2017-08-01 | 宝马股份公司 | Method and apparatus for testing gears |
| CN109754442A (en) * | 2019-01-10 | 2019-05-14 | 重庆大学 | A kind of gear pitting corrosion detection system based on machine vision |
| CN110567985A (en) * | 2019-10-14 | 2019-12-13 | 重庆大学 | Self-adaptive gear pitting quantitative evaluation and detection device based on deep learning |
| CN110660057A (en) * | 2019-11-01 | 2020-01-07 | 重庆大学 | Binocular automatic gear pitting detection device based on deep learning |
| CN111189632A (en) * | 2020-01-10 | 2020-05-22 | 重庆交通大学 | Comprehensive test bed for fatigue life of gear |
-
2023
- 2023-02-16 CN CN202310123477.8A patent/CN115807764B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5978500A (en) * | 1997-08-27 | 1999-11-02 | The United States Of America As Represented By Administrator Of The National Aeronautics And Space Administration | Video imaging system particularly suited for dynamic gear inspection |
| CN107003207A (en) * | 2015-03-13 | 2017-08-01 | 宝马股份公司 | Method and apparatus for testing gears |
| CN109754442A (en) * | 2019-01-10 | 2019-05-14 | 重庆大学 | A kind of gear pitting corrosion detection system based on machine vision |
| CN110567985A (en) * | 2019-10-14 | 2019-12-13 | 重庆大学 | Self-adaptive gear pitting quantitative evaluation and detection device based on deep learning |
| CN110660057A (en) * | 2019-11-01 | 2020-01-07 | 重庆大学 | Binocular automatic gear pitting detection device based on deep learning |
| CN111189632A (en) * | 2020-01-10 | 2020-05-22 | 重庆交通大学 | Comprehensive test bed for fatigue life of gear |
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| CN115807764B (en) | 2023-04-28 |
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Denomination of invention: An oil pump testing device Granted publication date: 20230428 Pledgee: Industrial and Commercial Bank of China Limited Yizheng Branch Pledgor: YIZHENG WEIYE OIL PUMP AND NOZZLE Co.,Ltd. Registration number: Y2024980036493 |
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