CN212155734U - Cleaning device for hydraulic system of transmission - Google Patents
Cleaning device for hydraulic system of transmission Download PDFInfo
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- CN212155734U CN212155734U CN202020357144.3U CN202020357144U CN212155734U CN 212155734 U CN212155734 U CN 212155734U CN 202020357144 U CN202020357144 U CN 202020357144U CN 212155734 U CN212155734 U CN 212155734U
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Abstract
The utility model discloses a cleaning device for a hydraulic system of a transmission, which is provided with three circulation loops outside the transmission, wherein the first circulation loop mainly improves the cleanliness in a lubricating loop in a CVT of a tractor; the second circulation loop primarily improves cleanliness in the system loop in the tractor CVT; the third circulation loop mainly improves the cleanliness of the main box, the auxiliary box and the rear axle in the tractor CVT, provides a heat exchanger for cooling the oil temperature of the tractor CVT, and provides a cleanliness meter for testing the cleanliness of a hydraulic system of the transmission. The utility model provides a be used for derailleur hydraulic system cleaning device can satisfy the cleanliness promotion work of tractor CVT and other products, reduces the fine filter trouble of tractor CVT assembly.
Description
Technical Field
The utility model belongs to the technical field of plasma, especially, relate to a be used for derailleur hydraulic system cleaning device.
Background
Along with the continuous release of intelligent products such as CVT, AT and engineering machinery speed changer of high horsepower tractors, hydraulic unit systems are all contained in product assemblies. The hydraulic unit has the advantages of large power transmission power, compact structure, convenience for automatic control, capability of realizing the stepless speed regulation function of a power system and the like, but multiple types, complex structure and high integration level.
Through investigation and analysis, the conclusion that the parts and the particulate matters enter the hydraulic unit in the assembling process and also can generate the particulate matters to enter the hydraulic unit in the running-in process is obtained. In the actual field test of the CVT tractor, frequent blockage alarming faults occur in the CVT fine filter, so that the tractor cannot work normally, and the operation quality is influenced. The tractor is difficult to maintain and treat on site, so that a device capable of effectively improving the cleanliness of a hydraulic system of the transmission is needed.
The traditional cleaning device for the hydraulic system of the transmission is arranged in the transmission, and Chinese patent with application number CN201520518545.1 discloses an oil washing and purifying device and a method thereof for running-in cleaning of a wet cavity of the transmission. However, the technology still has the defects of low cleaning efficiency, poor equipment universality, poor interchangeability, incapability of meeting the requirements of various transmissions, inconvenience in maintenance, high cost and incapability of freely and flexibly combining.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the clean inefficiency of traditional derailleur hydraulic system cleaning device and maintain the inconvenient problem of maintenance, provide one kind and be used for derailleur hydraulic system cleaning device.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a hydraulic system cleaning apparatus for a transmission, comprising:
the inlet of the first filter is connected with the outlet of the lubricating device in the transmission main box, the outlet of the first filter is connected with the inlet of the lubricating device in the transmission main box, a first circulation loop is formed by the outlet of the lubricating device, the first filter and the inlet of the lubricating device, and the first circulation loop is arranged outside the transmission main box;
the inlet of the second filter is connected with the outlet of the system device in the transmission main box, the outlet of the second filter is connected with the inlet of the system device in the transmission main box, a second circulation loop is formed by the outlet of the system device, the second filter and the inlet of the system device, and the second circulation loop is arranged outside the transmission main box;
and an inlet of the third filter is connected with an outlet of a quick insertion port in the auxiliary transmission box, an outlet of the third filter is connected with an inlet of a quick insertion port in the rear axle of the transmission, a third circulation loop is formed by an outlet of the quick insertion port in the auxiliary transmission box, the third filter and an inlet of the quick insertion port in the rear axle of the transmission, and the third circulation loop is arranged on the outer sides of the auxiliary transmission box and the rear axle of the transmission.
The utility model discloses a further improvement lies in:
a first valve is arranged on a pipeline between an outlet of the lubricating device and the first filter, a second valve is arranged on a pipeline between an inlet of the lubricating device and the first filter, and a first flow meter, a first pressure sensor and a first temperature sensor are further arranged on a pipeline between the first filter and the second valve.
A third valve is arranged on a pipeline between the outlet of the system device and the second filter, a fourth valve is arranged on a pipeline between the inlet of the system device and the second filter, and a second flowmeter, a second pressure sensor and a second temperature sensor are further arranged on a pipeline between the second filter and the fourth valve.
And a fifth valve is arranged on a pipeline between the outlet of the quick insertion port in the auxiliary gearbox of the transmission and the third filter, a sixth valve is arranged on a pipeline between the inlet of the quick insertion port in the rear axle of the transmission and the third filter, and a third flowmeter, a third pressure sensor and a third temperature sensor are also arranged on a pipeline between the third filter and the sixth valve.
And a safety valve, an oil pump and a fourth filter are further arranged between the third filter and the third flow meter.
And the outer side of the third flow meter is connected with a seventh valve and a cleanliness meter through a pipeline.
One interface of the fifth valve is communicated with an outlet of a quick-connection interface in the auxiliary gearbox, the other interface of the fifth valve is simultaneously communicated with the third filter and an inlet of the lubricating device, and an eighth valve is arranged on a pipeline between the fifth valve and the inlet of the lubricating device.
The first circulation loop, the second circulation loop and the third circulation loop are respectively provided with a first heat exchanger, a second heat exchanger and a third heat exchanger.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model relates to a cleaning device for a hydraulic system of a transmission, which comprises three circulation loops, wherein a first circulation loop is mainly used for improving the cleanliness of a lubricating loop in a tractor CVT; the second circulation loop is mainly used for improving the cleanliness of the system loop in the tractor CVT; third circulation circuit mainly used improves the cleanliness in main tank, auxiliary tank and the rear axle among the tractor CVT, the utility model provides a be arranged in derailleur hydraulic system cleaning device constitutes the hydraulic oil of outside circulation circuit in to the derailleur through the filter and filters, satisfies the clean effect of the different position devices of derailleur simultaneously, reduces the clear ware trouble of essence of tractor CVT assembly, effectively promotes cleaning device's clean efficiency.
Further, flow, temperature and pressure data of the three loops may be measured using flow meters, pressure sensors and temperature sensors.
Further, a heat exchanger may be utilized to cool the oil temperature of the transmission hydraulic system.
Further, the cleanliness of the hydraulic system of the transmission can be tested by using a cleanliness meter.
Drawings
Fig. 1 is a schematic diagram of the cleaning device for the hydraulic system of the transmission of the present invention.
Wherein: 1-a first valve; 2-a first filter; 3-a first flow meter; 4-a first pressure sensor; 5-a first temperature sensor; 6-a first heat exchanger; 7-a second valve; 8-a fourth valve; 9-a second temperature sensor; 10-a second pressure sensor; 11-a second flow meter; 12-a second filter; 13-a third valve; 14-an eighth valve; 15-a fifth valve; 16-a third filter; 17-a safety valve; 18-an oil pump; 19-a fourth filter; 20-a seventh valve; 21-a third flow meter; 22-cleanliness meter; 23-a third pressure sensor; 24-a third temperature sensor; 25-a third heat exchanger; 26-a sixth valve; 27-transmission main box; 28-a transmission auxiliary box; 29-rear axle of transmission.
Detailed Description
The invention is further elucidated with reference to the embodiments and the drawings:
as shown in fig. 1, the embodiment discloses a cleaning device for a hydraulic system of a transmission, which comprises a first filter 2, wherein an inlet of the first filter 2 is connected with an outlet of a lubricating device in a main transmission box 27, an outlet of the first filter 2 is connected with an inlet of the lubricating device in the main transmission box 27, a first circulation loop is formed by the outlet of the lubricating device, the first filter 2 and the inlet of the lubricating device, and the first circulation loop is arranged outside the main transmission box 27; the inlet of the second filter 12 is connected with the outlet of the system device in the transmission main box 27, the outlet of the second filter 12 is connected with the inlet of the system device in the transmission main box 27, a second circulation loop is formed by the outlet of the system device, the second filter 12 and the inlet of the system device, and the second circulation loop is arranged outside the transmission main box 27; and an inlet of the third filter 16 is connected with an outlet of a quick-plugging port in the auxiliary transmission box 28, an outlet of the third filter 16 is connected with an inlet of a quick-plugging port in the rear transmission axle 29, a third circulation loop is formed by the outlet of the quick-plugging port in the auxiliary transmission box 28, the third filter 16 and the inlet of the quick-plugging port in the rear transmission axle 29, and the third circulation loop is arranged outside the auxiliary transmission box 28 and the rear transmission axle 29.
The utility model discloses well lubricating arrangement mainly provides power for the force-feed lubrication system of derailleur, changes lubricating pressure and lubricated flow according to the demand, provides the heat dissipation function for derailleur fluid simultaneously to according to the height of oil temperature, provide different heat dissipation modes, ensure that lubricating system normally works; the cleanliness of the lubricating circuit can be improved, and the pollution resistance of the hydraulic element of the transmission is improved. The system device mainly provides pressure and flow during normal operation for the transmission, ensures that a main box and an auxiliary box of the transmission are switched between high and low gears, and can provide energy for braking action of a rear axle to ensure driving safety; the cleanliness of a system loop can be improved, and the pollution resistance of the hydraulic element of the transmission is improved.
A first valve 1 is arranged on a pipeline between an outlet of the lubricating device and the first filter 2, a second valve 7 is arranged on a pipeline between an inlet of the lubricating device and the first filter 2, and a first flow meter 3, a first pressure sensor 4 and a first temperature sensor 5 are further arranged on a pipeline between the first filter 2 and the second valve 7. A third valve 13 is installed on a pipeline between the outlet of the system device and the second filter 12, a fourth valve 8 is installed on a pipeline between the inlet of the system device and the second filter 12, and a second flowmeter 11, a second pressure sensor 10 and a second temperature sensor 9 are also installed on a pipeline between the second filter 12 and the fourth valve 8. A fifth valve 15 is arranged on a pipeline between an outlet of a quick-plugging port in the auxiliary gearbox 28 and the third filter 16, a sixth valve 26 is arranged on a pipeline between an inlet of the quick-plugging port in the gearbox rear axle 29 and the third filter 16, and a third flowmeter 21, a third pressure sensor 23 and a third temperature sensor 24 are further arranged on a pipeline between the third filter 16 and the sixth valve 26. One port of the fifth valve 15 is communicated with an outlet of a quick-connection port in the auxiliary transmission box 28, the other port is simultaneously communicated with the third filter 16 and an inlet of the lubricating device, and an eighth valve 14 is arranged on a pipeline between the fifth valve 15 and the inlet of the lubricating device. A relief valve 17, an oil pump 18 and a fourth filter 19 are further installed between the third filter 16 and the third flow meter 21. A seventh valve 20 and a cleanliness meter 22 are connected to the outside of the third flow meter 21 through pipes.
The first, second and third circulation circuits are respectively provided with a first heat exchanger 6, a second heat exchanger and a third heat exchanger 25.
The utility model discloses the theory of operation:
when the hydraulic oil in the transmission lubricating device needs to be cleaned, the first valve 1 is opened, the oil enters the first filter 2 from the lubricating device outlet in the transmission main box 27 for filtering, the flow, pressure and temperature values of the oil are measured through the first flow meter 3, the first pressure sensor 4 and the first temperature sensor 5, the oil is cooled through the first heat exchanger 6, finally the second valve 7 is opened and enters the lubricating device, and the first circulation loop is driven by an oil pump of the tractor CVT assembly to form a circulation loop.
When the hydraulic oil in the transmission system device needs to be cleaned, the third valve 13 is opened, the oil enters the second filter 12 from the system device outlet in the transmission main box 27 for filtering, the flow, pressure and temperature values of the oil are measured through the second flowmeter 11, the second pressure sensor 10 and the second temperature sensor 9, finally the fourth valve 8 is opened and enters the system device, and the second circulation loop is driven by the oil pump of the tractor CVT assembly to form a circulation loop.
When the hydraulic oil in the auxiliary transmission box 28 and the rear transmission axle 29 needs to be cleaned, the eighth valve 14 and the fifth valve 15 are opened, the oil is filtered through the third filter, if the pressure is high, the oil is decompressed through the safety valve 17, if the pressure is normal, the oil is filtered through the oil pump 18 and the third filter 16, the oil passes through the fourth filter 19, the flow and the cleanliness are measured through the third flowmeter 21 and the cleanliness meter 22, the pressure and the temperature are measured through the third pressure sensor 23, the third temperature sensor 24 and the third heat exchanger 25, heat dissipation is performed, finally the sixth valve 26 is opened, the oil enters the rear transmission axle 29, and the third circulation loop is driven by the external oil pump to form a circulation loop. And the requirement for improving the cleanliness of the test piece and the oil product is met through the three circulation loops.
Claims (8)
1. A hydraulic system cleaning apparatus for a transmission, comprising:
the inlet of the first filter (2) is connected with the outlet of a lubricating device in the transmission main box (27), the outlet of the first filter (2) is connected with the inlet of the lubricating device in the transmission main box (27), a first circulation loop is formed by the outlet of the lubricating device, the first filter (2) and the inlet of the lubricating device, and the first circulation loop is arranged on the outer side of the transmission main box (27);
a second filter (12), wherein the inlet of the second filter (12) is connected with the outlet of a system device in the transmission main box (27), the outlet of the second filter (12) is connected with the inlet of the system device in the transmission main box (27), a second circulation loop is formed by the outlet of the system device, the second filter (12) and the inlet of the system device, and the second circulation loop is arranged outside the transmission main box (27);
and an inlet of the third filter (16) is connected with an outlet of a quick insertion port in the auxiliary transmission box (28), an outlet of the third filter (16) is connected with an inlet of a quick insertion port in the rear transmission axle (29), a third circulation loop is formed by the outlet of the quick insertion port in the auxiliary transmission box (28), the third filter (16) and the inlet of the quick insertion port in the rear transmission axle (29), and the third circulation loop is arranged on the outer sides of the auxiliary transmission box (28) and the rear transmission axle (29).
2. A cleaning device for a hydraulic system of a transmission according to claim 1, characterized in that a first valve (1) is mounted on a conduit between the outlet of the lubricating device and the first filter (2), a second valve (7) is mounted on a conduit between the inlet of the lubricating device and the first filter (2), and a first flow meter (3), a first pressure sensor (4) and a first temperature sensor (5) are further mounted on a conduit between the first filter (2) and the second valve (7).
3. A hydraulic system cleaning device for a transmission according to claim 2, characterised in that a third valve (13) is arranged in the conduit between the outlet of the system device and the second filter (12), that a fourth valve (8) is arranged in the conduit between the inlet of the system device and the second filter (12), and that a second flow meter (11), a second pressure sensor (10) and a second temperature sensor (9) are arranged in the conduit between the second filter (12) and the fourth valve (8).
4. A cleaning device for a hydraulic system of a transmission according to claim 3, characterized in that a fifth valve (15) is installed on a pipeline between an outlet of a quick connector in the auxiliary transmission box (28) and the third filter (16), a sixth valve (26) is installed on a pipeline between an inlet of the quick connector in the transmission rear axle (29) and the third filter (16), and a third flow meter (21), a third pressure sensor (23) and a third temperature sensor (24) are also installed on a pipeline between the third filter (16) and the sixth valve (26).
5. A hydraulic system cleaning device for a transmission according to claim 4, characterised in that a safety valve (17), an oil pump (18) and a fourth filter (19) are also mounted between the third filter (16) and the third flow meter (21).
6. A cleaning device for a hydraulic system of a transmission according to claim 4, characterized in that a seventh valve (20) and a cleanliness meter (22) are connected to the outside of the third flow meter (21) through pipes.
7. A cleaning device for the hydraulic system of a transmission as claimed in claim 4, characterized in that one port of the fifth valve (15) communicates with the outlet of the quick-connect port in the auxiliary transmission casing (28), the other port communicates with the third filter (16) and the inlet of the lubricating apparatus at the same time, and an eighth valve (14) is mounted in the conduit between the fifth valve (15) and the inlet of the lubricating apparatus.
8. A cleaning device for a hydraulic system of a transmission according to claim 1, characterized in that a first heat exchanger (6), a second heat exchanger and a third heat exchanger (25) are mounted on the first, second and third circulation circuits, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020357144.3U CN212155734U (en) | 2020-03-19 | 2020-03-19 | Cleaning device for hydraulic system of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020357144.3U CN212155734U (en) | 2020-03-19 | 2020-03-19 | Cleaning device for hydraulic system of transmission |
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| Publication Number | Publication Date |
|---|---|
| CN212155734U true CN212155734U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020357144.3U Active CN212155734U (en) | 2020-03-19 | 2020-03-19 | Cleaning device for hydraulic system of transmission |
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| CN (1) | CN212155734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288155A (en) * | 2020-03-19 | 2020-06-16 | 西安法士特汽车传动有限公司 | Cleaning device and cleaning method for hydraulic system of transmission |
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2020
- 2020-03-19 CN CN202020357144.3U patent/CN212155734U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288155A (en) * | 2020-03-19 | 2020-06-16 | 西安法士特汽车传动有限公司 | Cleaning device and cleaning method for hydraulic system of transmission |
| CN111288155B (en) * | 2020-03-19 | 2024-05-14 | 西安法士特汽车传动有限公司 | Cleaning device and cleaning method for transmission hydraulic system |
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