CN210293682U - Equipment for filling and pumping oil - Google Patents
Equipment for filling and pumping oil Download PDFInfo
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- CN210293682U CN210293682U CN201921416170.2U CN201921416170U CN210293682U CN 210293682 U CN210293682 U CN 210293682U CN 201921416170 U CN201921416170 U CN 201921416170U CN 210293682 U CN210293682 U CN 210293682U
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Abstract
The utility model relates to an equipment for oiling and oil pumping, include: the first oil storage tank is provided with a first oil inlet and a first oil outlet; the oil inlet end of the oil filtering unit is communicated with the first oil outlet through a pipeline; the second oil storage tank is provided with second inlet oil and a second oil outlet, and a second oil inlet is communicated with the oil outlet end of the oil filtering unit through a pipeline; the oil inlet end of the oil injection unit is communicated with the second oil outlet through a pipeline, and the oil outlet end of the oil injection unit is used for being communicated with an oil injection port of the tested piece; and the oil inlet end of the oil pumping unit is communicated with an oil pumping port of the tested piece, and the oil outlet end of the oil pumping unit is communicated with the first oil inlet through a pipeline.
Description
Technical Field
The utility model relates to a derailleur assembly test auxiliary assembly technical field especially relates to an equipment for oiling and oil pumping.
Background
At present, the transmission assembly needs to be tested after being assembled, lubricating oil needs to be injected into the transmission before testing, and the lubricating oil in the transmission needs to be extracted after testing. At present, different devices are adopted for oil injection and oil pumping of the transmission respectively, and lubricating oil extracted from a transmission assembly cannot be continuously utilized due to the fact that a plurality of impurities are added, so that resources are wasted.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for an apparatus for filling and pumping oil that can purify and reuse the lubricant pumped from the transmission assembly, thereby saving resources.
The technical scheme is as follows:
an apparatus for filling and pumping oil comprising: the first oil storage tank is provided with a first oil inlet and a first oil outlet; the oil inlet end of the oil filtering unit is communicated with the first oil outlet through a pipeline; the second oil storage tank is provided with second inlet oil and a second oil outlet, and the second oil inlet is communicated with the oil outlet end of the oil filtering unit through a pipeline; the oil inlet end of the oil injection unit is communicated with the second oil outlet through a pipeline, and the oil outlet end of the oil injection unit is used for being communicated with an oil injection port of the tested piece; and the oil inlet end of the oil pumping unit is communicated with the oil pumping port of the tested piece, and the oil outlet end of the oil pumping unit is communicated with the first oil inlet through a pipeline.
When the tested piece is the transmission assembly, the oil outlet end of the oil injection unit is communicated with the oil injection port of the transmission assembly, and the oil inlet end of the oil pumping unit is communicated with the oil pumping port of the transmission assembly. The oil pumping unit is used for pumping dirty oil out of the transmission assembly and sending the dirty oil into the first oil storage tank; the oil filtering unit is used for pumping out dirty oil in the first oil storage tank, filtering the dirty oil and sending the dirty oil into the second oil storage tank; the oil filling unit is used for pumping out the oil in the second oil storage tank and filling the oil into the transmission assembly to be tested. The oil injection and oil pumping device can be compatible with oil injection and oil pumping functions at the same time, can filter oil pumped out of the transmission assembly and inject the oil into the transmission assembly to be tested again, and saves resources.
The technical solution is further explained below:
in one embodiment, the oil filtering unit comprises an oil suction pump and a filter, an oil inlet end of the oil suction pump is communicated with the first oil outlet through a pipeline, an oil outlet end of the oil suction pump is communicated with the second oil inlet through a pipeline, and the filter is arranged on a branch between the oil outlet end of the oil suction pump and the second oil inlet;
or the oil filtering unit comprises an oil suction pump and a filter, the oil inlet end of the oil suction pump is communicated with the first oil outlet through a pipeline, the oil outlet end of the oil suction pump is communicated with the second oil inlet through a pipeline, and the filter is arranged on a branch between the first oil outlet and the oil inlet end of the oil suction pump.
In one embodiment, the oil filtering unit comprises an oil suction pump and a plurality of filters, an oil inlet end of the oil suction pump is communicated with the first oil outlet through a pipeline, an oil outlet end of the oil suction pump is communicated with the second oil inlet through a pipeline, the plurality of filters are connected in series, and the plurality of filters are arranged on a branch between the oil outlet end of the oil suction pump and the second oil inlet;
or the oil filtering unit comprises an oil suction pump and a plurality of filters, the oil inlet end of the oil suction pump is communicated with the first oil outlet through a pipeline, the oil outlet end of the oil suction pump is communicated with the second oil inlet through a pipeline, the plurality of filters are connected in series, and the plurality of filters are arranged on a branch path between the first oil outlet and the oil inlet end of the oil suction pump.
In one embodiment, the apparatus for injecting and pumping oil further includes a control unit, a first upper liquid level detection element is disposed in the first oil storage tank, a second upper liquid level detection element is disposed in the second oil storage tank, and the oil suction pump, the first upper liquid level detection element, and the second upper liquid level detection element are all electrically connected to the control unit.
In one embodiment, a liquid level lower limit detection element is arranged in the first oil storage tank, the liquid level lower limit detection element is located below the first liquid level upper limit detection element along the gravity direction, and the liquid level lower limit detection element is electrically connected with the control unit.
In one embodiment, the apparatus for injecting and pumping oil further includes a control unit, the oil injection unit includes an oil injection pump, a flowmeter, and a first valve, an oil inlet end of the oil injection pump is communicated with the second oil outlet through a pipeline, an oil outlet end of the oil injection pump is used for being communicated with an oil inlet of the tested piece through a pipeline, the first valve is disposed at a downstream of the oil injection pump, or the first valve is disposed on a branch between the oil inlet end of the oil injection pump and the second oil outlet, the flowmeter is used for detecting a liquid flow passing through the first valve, and the flowmeter, the first valve, and the control unit are electrically connected.
In one embodiment, the oil pumping unit comprises a vacuum pump and a second valve, an oil inlet end of the second valve is used for being communicated with an oil pumping port of the tested piece through a pipeline, an oil outlet end of the second valve is communicated with the first oil inlet through a pipeline, the first oil storage tank is further provided with an air pumping port, and an air pumping end of the vacuum pump is communicated with the air pumping port through a pipeline.
In one embodiment, the apparatus for filling and pumping oil further comprises a control unit electrically connected to the second valve.
In one embodiment, the device for injecting and pumping oil further comprises a heating unit, the second oil storage tank is further provided with a third oil inlet, an oil inlet end of the heating unit is communicated with the second oil outlet through a pipeline, and an oil outlet end of the heating unit is communicated with the third oil inlet through a pipeline.
In one embodiment, the device for injecting and pumping oil further comprises a third valve, the first oil storage tank is further provided with a fourth oil inlet, an oil outlet end of the third valve is communicated with the fourth oil inlet through a pipeline, and an oil inlet end of the third valve is used for being communicated with an oil supplementing tank through a pipeline.
Drawings
Fig. 1 is a schematic diagram of an apparatus for injecting and pumping oil according to an embodiment of the present invention.
Description of reference numerals:
10. the oil filling and pumping device comprises an oil filling and pumping device 20, a transmission assembly 30, an oil supplementing tank 100, a first oil storage tank 110, a lower liquid level limit detection element 120, an upper first liquid level limit detection element 200, an oil filtering unit 210, an oil suction pump 220, a filter 300, a second oil storage tank 310, an upper second liquid level limit detection element 400, a heating unit 410, a third oil storage tank 420, a heater 500, an oil filling unit 510, an oil filling pump 520, a flow meter 530, a first valve 600, a vacuum pump 610, a second valve 620, a second filter 700 and a third valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.
As shown in FIG. 1, one embodiment relates to an apparatus 10 for injecting and pumping oil, comprising: the oil pumping unit comprises a first oil storage tank 100, an oil filtering unit 200, a second oil storage tank 300, an oil filling unit 500 and an oil pumping unit. The first oil reservoir 100 can store dirty oil drawn out from the transmission assembly 20, the oil filtering unit 200 is used to purify the dirty oil, the second oil reservoir 300 is used to store purified oil, and the oil injecting unit 500 is used to inject the purified oil into the transmission assembly 20 that needs to be tested.
Specifically, the first oil storage tank 100 is provided with a first oil inlet and a first oil outlet; the oil inlet end of the oil filtering unit 200 is communicated with the first oil outlet through a pipeline; the second oil storage tank 300 is provided with second inlet oil and a second oil outlet, and the second oil inlet is communicated with the oil outlet end of the oil filtering unit 200 through a pipeline; the oil inlet end of the oil injection unit 500 is communicated with the second oil outlet through a pipeline, and the oil outlet end of the oil injection unit 500 is used for being communicated with an oil injection port of the transmission assembly 20; the oil inlet end of the oil pumping unit is used for being communicated with the oil pumping port of the transmission assembly 20, and the oil outlet end of the oil pumping unit is communicated with the first oil inlet of the first oil storage tank 100 through a pipeline.
When the device 10 for injecting oil and pumping oil is used, the oil outlet end of the oil injecting unit 500 is communicated with the oil injecting port of the transmission assembly 20, and the oil inlet end of the oil pumping unit is communicated with the oil pumping port of the transmission assembly 20. The oil pumping unit is used for pumping dirty oil out of the transmission assembly 20 and sending the dirty oil into the first oil storage tank 100; the oil filtering unit 200 is used for pumping out and filtering the dirty oil in the first oil storage tank 100, and then sending the dirty oil into the second oil storage tank 300; the oil filling unit 500 serves to draw out and fill the oil in the second oil reservoir 300 into the transmission assembly 20 that needs to be tested. The oil injection and pumping equipment can be compatible with oil injection and pumping functions at the same time, can filter oil pumped out of the transmission assembly 20 and inject the oil into the transmission assembly 20 to be tested again, and saves resources.
Further, the device 10 for injecting and pumping oil further comprises a third valve 700, the first oil storage tank 100 is further provided with a fourth oil inlet, an oil outlet end of the third valve 700 is communicated with the fourth oil inlet through a pipeline, and an oil inlet end of the third valve 700 is communicated with the oil replenishing tank 30 through a pipeline. The first oil storage tank 100 needs to be replenished with oil from the oil replenishing tank 30 first, so that the oil is available in the whole apparatus 10 for filling and pumping oil, and the third valve 700 is used for controlling the on-off between the fourth oil inlet of the first oil storage tank 100 and the pipeline communicated with the fourth oil inlet.
Wherein the oil described above may be a lubricating oil for injection into the transmission assembly 20 for testing the performance of the transmission.
In one embodiment, the oil filtering unit 200 includes an oil suction pump 210 and a filter 220, an oil inlet end of the oil suction pump 210 is communicated with a first oil outlet of the first oil storage tank 100 through a pipeline, an oil outlet end of the oil suction pump 210 is communicated with a second oil inlet of the second oil storage tank 300 through a pipeline, the filter 220 is disposed on a branch between the oil outlet end of the oil suction pump 210 and a second oil inlet of the second oil storage tank 300, or the filter 220 is disposed on a branch between the first oil outlet of the first oil storage tank 100 and the oil inlet end of the oil suction pump 210. In the oil filter unit 200, the oil suction pump 210 is used to suck dirty oil from the first oil storage tank 100, the filter 220 is used to filter the sucked dirty oil, and the filtered oil is discharged into the second oil storage tank 300. In this manner, the oil entering the second oil reservoir 300 can be qualified for injection into the transmission assembly 20 requiring testing.
In one embodiment, the oil filtering unit 200 includes a plurality of filters 220, the plurality of filters 220 are connected in series, and the plurality of filters 220 are disposed on a branch between the oil outlet end of the oil suction pump 210 and the second oil inlet of the second oil storage tank 300, or the plurality of filters 220 are disposed on a branch between the first oil outlet of the first oil storage tank 100 and the oil inlet end of the oil suction pump 210. In this way, the oil pumped from the first oil storage tank 100 can be filtered layer by the plurality of filters 220 and then enter the second oil storage tank 300, and the quality of the oil entering the second oil storage tank 300 is further ensured.
Of course, among the plurality of strainers 220, some strainers 220 may be provided on a branch between the oil outlet end of the suction pump 210 and the second oil inlet of the second oil reservoir 300, and the remaining strainers 220 are provided on a branch between the first oil outlet of the first oil reservoir 100 and the oil inlet end of the suction pump 210.
In one embodiment, the apparatus 10 for filling and pumping oil further includes a control unit, a first upper liquid level detecting element 120 is disposed in the first oil storage tank 100, a second upper liquid level detecting element 310 is disposed in the second oil storage tank 300, and the oil suction pump 210, the first upper liquid level detecting element 120, and the second upper liquid level detecting element 310 are electrically connected to the control unit. When the liquid level in the first oil storage tank 100 reaches the upper limit height, the first upper limit liquid level detection element 120 can transmit the signal to the control unit, the control unit controls the oil suction pump 210 to start, the oil suction pump 210 sucks dirty oil from the first oil storage tank 100, the sucked dirty oil is filtered by the filter 220 and then discharged into the second oil storage tank 300, when the liquid level in the second oil storage tank 300 reaches the upper limit height, the second upper limit liquid level detection element 310 transmits the signal to the control unit, and the control unit controls the oil suction pump 210 to be closed again, so that oil filtering of the dirty oil is completed.
Optionally, the first upper liquid level detecting element 120 and the second upper liquid level detecting element 310 may be liquid level detecting sensors or upper limit floating balls.
Specifically, the first upper limit liquid level detecting element 120 and the second upper limit liquid level detecting element 310 are both upper limit floating balls, the first upper limit liquid level detecting element 120 is disposed in the first oil storage tank 100 and located at a height position of four fifths of the first oil storage tank 100, and the second upper limit liquid level detecting element 310 is disposed in the second oil storage tank 300 and located at a height position of four fifths of the second oil storage tank 300. When the liquid level in the first oil storage tank 100 reaches the height of the position of the first upper liquid level detection element 120, the first upper liquid level detection element 120 can transmit a signal to the control unit, the control unit controls the oil suction pump 210 to start, and when the liquid level in the second oil storage tank 300 reaches the height of the position of the second upper liquid level detection element 310, the second upper liquid level detection element 310 can transmit a signal to the control unit, and the control unit controls the oil suction pump 210 to stop.
The control unit may be a PLC (Programmable Logic Controller) control system or a control module having processing chips such as a single chip, an ARM (Advanced RISC Machine: high-end reduced instruction set Machine), and an FPGA (Field-Programmable Gate Array);
further, a liquid level lower limit detection element 110 is arranged in the first oil storage tank 100, the liquid level lower limit detection element 110 is located below the first liquid level upper limit detection element 120 along the gravity direction, and the liquid level lower limit detection element 110 is electrically connected with the control unit. In this way, when the liquid level of the oil in the first oil storage tank 100 reaches the lower limit height, the first liquid level lower limit detection element 110 can transmit the signal to the control unit, and the control unit controls the oil suction pump 210 to be turned off.
Alternatively, the first lower liquid level limit detecting element 110 may be a liquid level detecting sensor or a lower limit float.
Specifically, the first liquid level lower limit detecting element 110 is a lower limit floating ball, and the first liquid level lower limit detecting element 110 is disposed in the first oil storage tank 100 and located at a height position of one sixth of the first oil storage tank 100. When the liquid level in the first oil storage tank 100 drops to the height of the position of the first liquid level lower limit detection element 110, the first liquid level lower limit detection element 110 can transmit a signal to the control unit, and the control unit controls the oil suction pump 210 to be turned off.
The oil suction pump 210 is turned off when the oil level in the first oil storage tank 100 reaches the lower limit height or when the oil level in the second oil storage tank 300 reaches the upper limit height, so that the safety can be effectively improved.
In one embodiment, the oil injection unit 500 includes an oil injection pump 510, a flow meter 520, and a first valve 530, an oil inlet of the oil injection pump 510 is communicated with a second oil outlet of the second oil storage tank 300 through a pipeline, an oil outlet of the oil injection pump 510 is used for being communicated with an oil inlet of the transmission assembly 20 through a pipeline, the first valve 530 is disposed downstream of the oil injection pump 510, or the first valve 530 is disposed on a branch between the oil inlet of the oil injection pump 510 and the second oil outlet of the second oil storage tank 300, the flow meter 520 is used for detecting a liquid flow passing through the first valve 530, and both the flow meter 520 and the first valve 530 are electrically connected to the control unit. The oil filling amount can be set in advance through the control unit, the flow meter 520 can measure the liquid flow rate passing through the first valve 530, when the value of the liquid flow rate passing through the first valve 530 detected by the flow meter 520 reaches the preset oil filling amount, the flow meter 520 sends a signal to the control unit, and the control unit controls the electromagnetic valve to be closed to finish the oil filling work.
Specifically, the first valve 530 is disposed at the downstream of the oil filling pump 510, the flow meter 520 is disposed on a branch between the oil filling pump 510 and the second valve 610, the control unit is a PLC control system having a human-machine interface, a worker can set an oil filling amount through the human-machine interface and open the first valve 530 through the PLC control system, the oil filling pump 510 draws oil from the second oil storage tank 300 and sequentially passes through the flow meter 520 and the second valve 610, when a value of a liquid flow rate detected by the flow meter 520 and passing through the first valve 530 reaches a predetermined oil filling amount, the flow meter 520 sends a signal to the control unit, and the control unit controls the electromagnetic valve to close to complete oil filling.
The first valve 530 may be a solenoid valve, and the flow meter 520 may be a pulse flow meter 520.
Further, the oil pump 510 is electrically connected to the control unit, and the control unit can control the oil pump 510 to be turned on while controlling the first valve 610 to be opened, and control the oil pump 510 to be turned off while controlling the first valve 540 to be closed.
In one embodiment, the apparatus 10 for filling and pumping oil further comprises a heating unit 400, the second oil storage tank 300 is further provided with a third oil inlet, an oil inlet of the heating unit 400 is communicated with a second oil outlet of the second oil storage tank 300 through a pipeline, and an oil outlet of the heating unit 400 is communicated with the third oil inlet of the second oil storage tank 300 through a pipeline. The heating unit 400 serves to heat the oil in the second oil reservoir, thereby improving the lubricating effect and the flowing effect of the oil.
Specifically, the heating unit 400 includes the oil filling pump 510, the heater 420 and the third oil storage tank 410 as described above, the third oil storage tank 410 is provided with a fifth oil inlet, a sixth oil inlet, a third oil outlet and a fourth oil outlet, the fifth oil inlet of the third oil storage tank is communicated with the second oil outlet of the second oil storage tank 300 through a pipeline, the third oil outlet of the third oil storage tank is communicated with the third oil inlet of the second oil storage tank 300 through a pipeline, the fourth oil outlet of the third oil storage tank is communicated with the oil inlet end of the oil filling pump 510 through a pipeline, the oil inlet end of the heater 420 is connected with the oil outlet end of the oil filling pump 510 through a pipeline, and the oil outlet end of the heater 420 is communicated with the sixth oil inlet of the third oil storage tank. The above fill pump 510 not only functions to draw oil into the transmission assembly 20, but also can draw oil in the third oil reservoir 410 into the heater 420 for heating. In a state where the second valve 610 is closed, the filling pump 510 may be turned on under the control of the control unit, and at this time the filling pump 510 draws only the oil in the third oil reservoir 410 into the heater 420 for heating; in the state where the second valve 610 is open, the above oil filling pump 510 not only functions to pump oil into the transmission assembly 20, but also can pump oil in the third oil reservoir tank 410 into the heater 420 for heating.
In one embodiment, the oil pumping unit includes a vacuum pump 600 and a second valve 610, an oil inlet end of the second valve 610 is used for communicating with the oil pumping port of the transmission assembly 20 through a pipeline, an oil outlet end of the second valve 610 is communicated with a first oil inlet of the first oil storage tank 100 through a pipeline, the first oil storage tank 100 is further provided with an air pumping port, and an air pumping end of the vacuum pump 600 is communicated with the air pumping port through a pipeline. The vacuum pump 600 is used to pump the first oil reservoir 100, and the second valve 610 is opened to pump the oil in the transmission assembly 20 into the first oil reservoir 100.
Further, the control unit is electrically connected to the second valve 610. The worker can control the opening of the second valve 610 by sending a pumping signal to the control unit, and can also set a specific pumping time, and when the opening time of the second valve 610 reaches the set pumping time, the second valve 610 is closed under the control of the control unit. Wherein the second valve 610 is a solenoid valve.
Specifically, the oil pumping unit further comprises a digital display pressure switch, the digital display pressure switch can measure the pressure value in the second oil storage tank 300, the digital display pressure switch is electrically connected with the vacuum pump 600, and the digital display pressure switch can control the starting and stopping of the vacuum pump 600 according to the pressure value in the second oil storage tank 300. When the pressure in the second oil reservoir 300 is lower than the preset value, the digital display pressure switch controls the vacuum pump 600 to be started, so that the vacuum degree in the first oil reservoir 100 is maintained in the range of-0.065 Mpa to-0.095 Mpa, so that the oil in the transmission assembly 20 can be pumped out under the vacuum negative pressure in the first oil reservoir 100 when the second valve 610 is opened.
In one embodiment, a second filter 620 is disposed in a branch between the oil outlet end of the second valve 610 and the first oil inlet of the first oil reservoir 100 for preliminary filtering the oil drawn from the transmission assembly 20.
In one embodiment, the apparatus 10 for filling and pumping oil further comprises a housing, and the first oil storage tank, the oil filter unit, the second oil storage tank, the oil filling unit, the oil pumping unit and the control unit are disposed in the housing.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An apparatus for injecting and pumping oil, comprising:
the first oil storage tank is provided with a first oil inlet and a first oil outlet;
the oil inlet end of the oil filtering unit is communicated with the first oil outlet through a pipeline;
the second oil storage tank is provided with second inlet oil and a second oil outlet, and the second oil inlet is communicated with the oil outlet end of the oil filtering unit through a pipeline;
the oil inlet end of the oil injection unit is communicated with the second oil outlet through a pipeline, and the oil outlet end of the oil injection unit is used for being communicated with an oil injection port of the tested piece; and
and the oil inlet end of the oil pumping unit is communicated with the oil pumping port of the tested piece, and the oil outlet end of the oil pumping unit is communicated with the first oil inlet through a pipeline.
2. The apparatus according to claim 1, wherein the oil filter unit comprises an oil suction pump and a filter, the oil inlet end of the oil suction pump is communicated with the first oil outlet through a pipeline, the oil outlet end of the oil suction pump is communicated with the second oil inlet through a pipeline, and the filter is disposed on a branch between the oil outlet end of the oil suction pump and the second oil inlet;
or the oil filtering unit comprises an oil suction pump and a filter, the oil inlet end of the oil suction pump is communicated with the first oil outlet through a pipeline, the oil outlet end of the oil suction pump is communicated with the second oil inlet through a pipeline, and the filter is arranged on a branch between the first oil outlet and the oil inlet end of the oil suction pump.
3. The apparatus according to claim 1, wherein the oil filter unit comprises an oil suction pump and a plurality of filters, an oil inlet end of the oil suction pump is communicated with the first oil outlet through a pipeline, an oil outlet end of the oil suction pump is communicated with the second oil inlet through a pipeline, the plurality of filters are connected in series with each other, and the plurality of filters are disposed on a branch between the oil outlet end of the oil suction pump and the second oil inlet;
or the oil filtering unit comprises an oil suction pump and a plurality of filters, the oil inlet end of the oil suction pump is communicated with the first oil outlet through a pipeline, the oil outlet end of the oil suction pump is communicated with the second oil inlet through a pipeline, the plurality of filters are connected in series, and the plurality of filters are arranged on a branch path between the first oil outlet and the oil inlet end of the oil suction pump.
4. The apparatus according to claim 2 or 3, further comprising a control unit, wherein a first upper liquid level detection element is disposed in the first oil storage tank, a second upper liquid level detection element is disposed in the second oil storage tank, and the oil suction pump, the first upper liquid level detection element, and the second upper liquid level detection element are electrically connected to the control unit.
5. The apparatus of claim 4, wherein a lower liquid level limit detection element is disposed in the first oil storage tank, the lower liquid level limit detection element is located below the upper liquid level limit detection element in the gravity direction, and the lower liquid level limit detection element is electrically connected to the control unit.
6. The device for injecting and pumping oil of claim 1, further comprising a control unit, wherein the oil injection unit comprises an oil injection pump, a flowmeter and a first valve, an oil inlet end of the oil injection pump is communicated with the second oil outlet through a pipeline, an oil outlet end of the oil injection pump is communicated with an oil inlet of the tested piece through a pipeline, the first valve is disposed at a downstream of the oil injection pump, or the first valve is disposed on a branch between the oil inlet end of the oil injection pump and the second oil outlet, the flowmeter is configured to detect a liquid flow passing through the first valve, and the flowmeter and the first valve are both electrically connected to the control unit.
7. The apparatus according to claim 1, wherein the oil pumping unit comprises a vacuum pump and a second valve, an oil inlet of the second valve is used for communicating with the oil pumping port of the tested piece through a pipeline, an oil outlet of the second valve is communicated with the first oil inlet through a pipeline, the first oil storage tank is further provided with an air pumping port, and an air pumping port of the vacuum pump is communicated with the air pumping port through a pipeline.
8. The apparatus for injecting and pumping oil of claim 7, further comprising a control unit electrically connected to the second valve.
9. The apparatus for injecting and pumping oil of claim 1, further comprising a heating unit, wherein the second oil storage tank is further provided with a third oil inlet, the oil inlet end of the heating unit is communicated with the second oil outlet through a pipeline, and the oil outlet end of the heating unit is communicated with the third oil inlet through a pipeline.
10. The apparatus of claim 1, further comprising a third valve, wherein the first oil reservoir further has a fourth oil inlet, an oil outlet of the third valve is connected to the fourth oil inlet via a pipe, and an oil inlet of the third valve is connected to the oil supply tank via a pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921416170.2U CN210293682U (en) | 2019-08-28 | 2019-08-28 | Equipment for filling and pumping oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921416170.2U CN210293682U (en) | 2019-08-28 | 2019-08-28 | Equipment for filling and pumping oil |
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| CN210293682U true CN210293682U (en) | 2020-04-10 |
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| CN201921416170.2U Active CN210293682U (en) | 2019-08-28 | 2019-08-28 | Equipment for filling and pumping oil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062901A (en) * | 2021-06-03 | 2021-07-02 | 盛瑞传动股份有限公司 | Hydraulic control system and method for automatic transmission test bench |
| CN113983152A (en) * | 2021-12-27 | 2022-01-28 | 四川诚邦浩然测控技术有限公司 | Gearbox filling oil circulating equipment |
-
2019
- 2019-08-28 CN CN201921416170.2U patent/CN210293682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062901A (en) * | 2021-06-03 | 2021-07-02 | 盛瑞传动股份有限公司 | Hydraulic control system and method for automatic transmission test bench |
| CN113983152A (en) * | 2021-12-27 | 2022-01-28 | 四川诚邦浩然测控技术有限公司 | Gearbox filling oil circulating equipment |
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