CN210738972U - Control valve set of rice harvester - Google Patents
Control valve set of rice harvester Download PDFInfo
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- CN210738972U CN210738972U CN201921328857.0U CN201921328857U CN210738972U CN 210738972 U CN210738972 U CN 210738972U CN 201921328857 U CN201921328857 U CN 201921328857U CN 210738972 U CN210738972 U CN 210738972U
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- solenoid valve
- electromagnetic
- solenoid
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Abstract
The utility model relates to a rice harvester control valve group, the rice harvester control valve group for controlling the lifting of the reel and the header comprises a valve block body, an overflow valve, a third solenoid valve, a first solenoid valve, a second solenoid valve, a first one-way throttle valve, a second one-way throttle valve, a first hydraulic control one-way valve and a second hydraulic control one-way valve, wherein the overflow valve, the third solenoid valve, the first solenoid valve, the second solenoid valve, the first one-way throttle valve, the second one-way throttle valve, the first hydraulic control one-way valve and the second hydraulic control one-way valve are respectively arranged on the valve block body, and the first solenoid valve and the second solenoid valve are respectively connected with the overflow valve and the third solenoid valve; the valve block body is also provided with an oil port P and an oil port T; be equipped with A1 end and B1 end on the first solenoid valve, be equipped with A2 end and B2 end on the second solenoid valve, first one-way throttle valve and first liquid accuse check valve set up between first solenoid valve and A1 end, second one-way throttle valve and second liquid accuse check valve set up between second solenoid valve and A2 end. The utility model provides a can solve the lift action of pulling out standing grain wheel and header, and safe, energy-conserving rice harvester control valve group.
Description
Technical Field
The utility model relates to a rice harvester valve unit.
Background
At present, a hydraulic control system of a rice harvester is an important component of the whole equipment, the harvester needs to finish harvesting, threshing, cleaning and collecting once and is finally stored in a granary, wherein the power of an actuating mechanism needs to be finished by a hydraulic system, such as lifting of a grain pulling wheel and a header. There is a need for a device that can solve the lifting and lowering actions of the reel and the header.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects existing in the prior art, providing a rice harvester control valve group which can solve the lifting action of the reel and the header and is safe and energy-saving.
The utility model provides a technical scheme that its technical problem adopted is: a rice harvester control valve bank for controlling a grain pulling wheel and a header to lift comprises a valve block body, an overflow valve, a third electromagnetic valve, a first electromagnetic valve, a second electromagnetic valve, a first one-way throttle valve, a second one-way throttle valve, a first hydraulic control one-way valve and a second hydraulic control one-way valve, wherein the overflow valve, the third electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve, the first one-way throttle valve, the second one-way throttle valve, the first hydraulic control one-way valve and the second hydraulic control one-way valve are respectively arranged on the valve block body, and the first electromagnetic valve and the second electromagnetic valve are respectively connected with the overflow valve and the third electromagnetic valve; the valve block body is also provided with an oil port P and an oil port T; be equipped with A1 end and B1 end on the first solenoid valve, be equipped with A2 end and B2 end on the second solenoid valve, first one-way throttle valve and first liquid accuse check valve set up between first solenoid valve and A1 end, second one-way throttle valve and second liquid accuse check valve set up between second solenoid valve and A2 end.
According to the utility model discloses a further embodiment, further include overflow valve, third solenoid valve, first solenoid valve and second solenoid valve are connected with hydraulic fluid port P and hydraulic fluid port T respectively.
According to the utility model discloses a further embodiment, further include still be equipped with the pressure measurement joint on the valve block body, the pressure measurement sets up the oil feed department at hydraulic fluid port P.
According to another embodiment of the present invention, further comprising the first solenoid valve and the second solenoid valve are two-position two-way solenoid valves.
The utility model has the advantages that: the utility model solves the defects in the prior art, and controls the lifting action of the grain pulling wheel and the cutting table in the rice harvester by powering on and powering off the first electromagnetic valve and the second electromagnetic valve; and an unloading valve is arranged in the hydraulic control system of the rice harvester, so that the pressure of the system is unloaded when the system does not need to work, and the effects of safety and energy conservation are achieved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic front view of a preferred embodiment of the present invention;
fig. 2 is a schematic top view of a preferred embodiment of the present invention;
fig. 3 is a left side view schematic structure of the preferred embodiment of the present invention;
fig. 4 is a schematic diagram of the control structure of the present invention.
Detailed Description
As shown in fig. 1-3, the rice harvester control valve group for controlling the lifting of the reel and the header comprises a valve block body 1, an overflow valve 2, a third electromagnetic valve 3, a first electromagnetic valve 4, a second electromagnetic valve 5, a first one-way throttle valve 6, a second one-way throttle valve 7, a first hydraulic control one-way valve 8 and a second hydraulic control one-way valve 9, wherein the overflow valve 2, the third electromagnetic valve 3, the first electromagnetic valve 4, the second electromagnetic valve 5, the first one-way throttle valve 6, the second one-way throttle valve 7, the first hydraulic control one-way valve 8 and the second hydraulic control one-way valve 9 are respectively arranged and installed on the valve block body 1, and the first electromagnetic valve 4 and the second electromagnetic valve 5 are respectively connected with the overflow valve 2 and the third electromagnetic valve 3; the valve block body 1 is also provided with an oil port P and an oil port T; the first electromagnetic valve 4 and the second electromagnetic valve 5 are two-position two-way electromagnetic valves. The overflow valve 2, the third electromagnetic valve 3, the first electromagnetic valve 4 and the second electromagnetic valve 5 are respectively connected with the oil port P and the oil port T. The oil ports T are respectively connected.
The valve block body 1 is further provided with a pressure measuring joint 10, and the pressure measuring joint 10 is arranged at the oil inlet of the oil port P.
Be equipped with A1 end and B1 end on the first solenoid valve 4, be equipped with A2 end and B2 end on the second solenoid valve 5, first check throttle valve 6 and first hydraulically controlled check valve 8 set up between first solenoid valve 4 and A1 end, second check throttle valve 7 and second hydraulically controlled check valve 9 set up between second solenoid valve 5 and A2 end.
Pressure oil output by the pump enters from an oil port P and then reaches the third electromagnetic valve 3 and the overflow valve 2, the first electromagnetic valve 4 is not electrified, the system is in an unloading state, when the first electromagnetic valve 4 is electrified, the oil port P has the pressure oil, when the grain pulling wheel needs to act, the end A1 of the first electromagnetic valve 4 controlled by the grain pulling wheel is electrified, the grain pulling wheel rises by providing the pressure oil, when the grain pulling wheel needs to fall, the end A1 of the first electromagnetic valve 4 controlled by the grain pulling wheel is powered off, the end B1 is electrified, the grain pulling wheel falls by self weight, the first one-way throttle valve 6 in the oil path controls the rising speed of the grain pulling energy, and the hydraulic lock ensures that the grain pulling wheel is kept and stabilized at a certain height position. When the cutting table needs to act, the end A2 of the second electromagnetic valve 5 controlled by the cutting table is electrified, the cutting table is lifted by providing pressure oil, when the cutting table needs to descend, the end A2 of the second electromagnetic valve 5 controlled by the cutting table is powered off, the end B2 of the cutting table is electrified, the cutting table descends by self weight, the second one-way throttle valve 7 in the oil path controls the descending speed of the seedling pulling energy, and the hydraulic lock ensures that the seedling pulling wheel is kept and stabilized at a certain height position.
It should be understood that the above description of the specific embodiments is only for the purpose of explanation and not for the purpose of limitation. Obvious changes or variations caused by the spirit of the present invention are within the scope of the present invention.
Claims (4)
1. A rice harvester valve unit which is characterized in that: the rice harvester control valve bank for controlling the lifting of the reel and the header comprises a valve block body, an overflow valve, a third electromagnetic valve, a first electromagnetic valve, a second electromagnetic valve, a first one-way throttle valve, a second one-way throttle valve, a first hydraulic control one-way valve and a second hydraulic control one-way valve, wherein the overflow valve, the third electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve, the first one-way throttle valve, the second one-way throttle valve, the first hydraulic control one-way valve and the second hydraulic control one-way valve are respectively arranged on the valve block body, and the first electromagnetic valve and the second electromagnetic valve are respectively connected with the overflow valve and the third electromagnetic valve; the valve block body is also provided with an oil port P and an oil port T; be equipped with A1 end and B1 end on the first solenoid valve, be equipped with A2 end and B2 end on the second solenoid valve, first one-way throttle valve and first liquid accuse check valve set up between first solenoid valve and A1 end, second one-way throttle valve and second liquid accuse check valve set up between second solenoid valve and A2 end.
2. The rice harvester control valve bank of claim 1, wherein: the overflow valve, the third electromagnetic valve, the first electromagnetic valve and the second electromagnetic valve are respectively connected with the oil port P and the oil port T.
3. The rice harvester control valve bank of claim 1, wherein: and the valve block body is also provided with a pressure measuring joint, and the pressure measuring joint is arranged at the oil inlet of the oil port.
4. The rice harvester control valve bank of claim 1, wherein: the first electromagnetic valve and the second electromagnetic valve are two-position two-way electromagnetic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328857.0U CN210738972U (en) | 2019-08-16 | 2019-08-16 | Control valve set of rice harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328857.0U CN210738972U (en) | 2019-08-16 | 2019-08-16 | Control valve set of rice harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210738972U true CN210738972U (en) | 2020-06-12 |
Family
ID=71010535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921328857.0U Active CN210738972U (en) | 2019-08-16 | 2019-08-16 | Control valve set of rice harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210738972U (en) |
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2019
- 2019-08-16 CN CN201921328857.0U patent/CN210738972U/en active Active
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