CN204692220U - A kind of hydraulic system of crawler orchard operation platform - Google Patents
A kind of hydraulic system of crawler orchard operation platform Download PDFInfo
- Publication number
- CN204692220U CN204692220U CN201520356261.7U CN201520356261U CN204692220U CN 204692220 U CN204692220 U CN 204692220U CN 201520356261 U CN201520356261 U CN 201520356261U CN 204692220 U CN204692220 U CN 204692220U
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- control valve
- solenoid directional
- directional control
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- valve
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Abstract
A kind of hydraulic system of crawler orchard operation platform, mainly comprise hydraulic oil container, self-controlled type plunger pump, electro-hydraulic reversing valve, proportional electromagnetic valve, solenoid directional control valve, safety valve, oil hydraulic motor, radiator, oil hydraulic cylinder and relief valve, the hydraulic system of this crawler orchard operation platform, have employed the rotating speed of the mode regulator solution pressure motor of throttle grverning, automatical control system is regulated to reach specific rotation speeds to realize motor by the mode of Wireless remote control, now the open type of whole hydraulic system regulates, overall independence is strong, flow is large, powerful, structure is simply novel, convenient to use.
Description
Technical field
The utility model relates to a kind of crawler orchard operation platform, particularly a kind of hydraulic system of orchard operation platform.
Background technique
Hydraulic transmission orchard operation platform is as a kind of novel transmission mode working platform, have be easy to arrange, specific power is large, start steadily under speed-regulating range width, full-loading condition, can realize stepless change, good, the external load auto-adaptation of low-speed stability, improve pilot control convenience, can the advantage such as mechanical-electrical-hydraulic integration technology easy to use, the hydraulic system of design orchard operation platform is imperative.
Summary of the invention
The purpose of this utility model is the hydraulic system designing a kind of crawler orchard operation platform, and this hydraulic system improves the reliability of manoeuvring performance, accuracy of action, function, make car load power performance and control performance be improved significantly.
For achieving the above object, the technical solution of the utility model:
A kind of hydraulic system of crawler orchard operation platform comprises hydraulic oil container, self-controlled type plunger pump, electro-hydraulic reversing valve, proportional electromagnetic valve, solenoid directional control valve, relief valve, oil hydraulic motor, radiator, oil hydraulic cylinder etc.Specifically, hydraulic oil enters proportional flow solenoid valve 1 through self-controlled type variable displacement pump M2, then enters left motor by solenoid directional control valve 2, and motor nonoverload protected by two relief valves 3 in parallel with motor.Hydraulic oil flows through left motor, arrives sequence valve 6 again to another solenoid directional control valve 4, finally flows through radiator 17 and gets back to fuel tank.Motor braking when solenoid directional control valve 7 coordinates other solenoid valves to realize stopping, and the break-make of walking process medium power.Right oil hydraulic motor working principle is with left motor.Transplant in oil path in oil cylinder, after hydraulic oil enters valve group, enter oil hydraulic cylinder 16 cavity of resorption through solenoid directional control valve 15, oil cylinder rises, and epicoele fluid, through one-way throttle valve 14, crosses solenoid directional control valve 15 to fuel tank.
Described crawler orchard operation Platform Hydraulic System is primarily characterized in that: each hydrovalve is integrated into a valve group, hydraulic valve bank comprises solenoid directional control valve, operated proportional flow control valve, relief valve and one-way throttle valve composition, operated proportional flow control valve and relief valve control chassis drive motor rotating speed, realize directly walking, turn to, solenoid directional control valve, one-way throttle valve control rear suspension lifting, drive agricultural machinery and implement to realize lifting.
Working principle of the present utility model
After diesel engine starting, V belt translation is to mechanical gear box, be transferred to pluger type hydraulic pump again, hydraulic oil is sent to hydraulic valve bank by oil hydraulic pump, wireless controller sends instruction afterwards, and wireless electric-controlled unit receives instruction and processes, and controls corresponding solenoid directional control valve, solenoid-operated proportional flow control valve and relief valve action, make both sides oil hydraulic motor running respectively, realize Work machine walking and speeds control; When needing implement lift, control solenoid directional control valve, one-way throttle valve work by ECU (Electrical Control Unit), realize implement lift.
The utility model has the advantages that:
1. adopt hydrostatic transmissions, improve efficiency of energy utilization.
2. adopt hydrostatic transmissions, improve accuracy of action.
3. optimize the walking performance of vehicle.
4. make car load power performance and control performance be improved significantly.
Accompanying drawing explanation
Fig. 1 is the principle schematic () of the utility model orchard operation Platform Hydraulic System.
Embodiment
Below in conjunction with the drawings and specific embodiments, explanation is further explained to the utility model:
Fig. 1 shows mode of execution of the present utility model, and a kind of crawler orchard operation Platform Hydraulic System mainly comprises: self-controlled type variable displacement pump (M2), proportional flow control valve one (1), solenoid directional control valve one (2), relief valve one (3), solenoid directional control valve two (4), solenoid directional control valve three (5), sequence valve (6), solenoid directional control valve four (7), relief valve two (8), proportional flow control valve two (9), solenoid directional control valve five (10), relief valve three (11), solenoid directional control valve six (12), solenoid directional control valve seven (13), one-way throttle valve (14), solenoid directional control valve eight (15), transplant oil cylinder (16), radiator (17), return filter (18), oil absorption filter (19), oil circuit is totally divided into three, and first oil circuit controls left running motor, self-controlled type variable displacement pump M2 output hydraulic pressure oil, passing ratio solenoid valve 1, solenoid directional control valve 2 arrives left oil hydraulic motor, drives left oil hydraulic motor to operate, then hydraulic oil is through another solenoid directional control valve 4, sequence valve 6, radiator 17 is back to hydraulic oil container, the highest moment of torsion of relief valve 3 hydraulic control motor, and play a part to ensure whole oil hydraulic circuit safety, proportional flow control valve 1, 9 cooperatively interact realizes turning to during vehicle is advanced, and the second branch road controls right running motor, and principle is with the first branch road, and solenoid directional control valve 7 is major loop off-load, realizes vehicle and suddenly stops, smooth starting, stop, relief valve 8 ensures that oil hydraulic motor has stable working pressure, the 3rd branch road, and solenoid directional control valve 15 and one-way throttle valve 14 control the work of transplanting oil cylinder 16
Structure and working principle of the present invention is explained above with specific embodiment; the present invention is not limited to above embodiment; according to above-mentioned description; all any amendments done within the spirit and principles in the present invention, replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. the hydraulic system of a crawler orchard operation platform, comprise self-controlled type variable displacement pump (M2), proportional flow control valve one (1), solenoid directional control valve one (2), relief valve one (3), solenoid directional control valve two (4), solenoid directional control valve three (5), sequence valve (6), solenoid directional control valve four (7), relief valve two (8), proportional flow control valve two (9), solenoid directional control valve five (10), relief valve three (11), solenoid directional control valve six (12), solenoid directional control valve seven (13), one-way throttle valve (14), solenoid directional control valve eight (15), transplant oil cylinder (16), radiator (17), return filter (18), oil absorption filter (19), left oil hydraulic motor (20), right oil hydraulic motor (21), it is characterized in that: the filler opening oil absorption filter (19) of described self-controlled type variable displacement pump (M2) connects, the oil outlet of self-controlled type variable displacement pump (M2) is connected with the O mouth of the O mouth of the oil-feed port of the oil-feed port of proportional flow control valve one (1), proportional flow control valve two (9), solenoid directional control valve four (7), relief valve two (8) oil-feed port, solenoid directional control valve eight (15) and is installed on entire system bottom simultaneously, the oil outlet of described proportional flow control valve (1) is connected with the O mouth of the O mouth of solenoid directional control valve one (2) and solenoid directional control valve two (4), and the filler opening of proportional flow control valve (1) is connected with the O mouth of relief valve two (8) oil-feed port, solenoid directional control valve eight (15), the T mouth of described solenoid directional control valve one (2) is connected with relief valve one (3) filler opening, left oil hydraulic motor (20) filler opening, the A mouth of solenoid directional control valve one (2) is connected with the A mouth of solenoid directional control valve three (5), the oil outlet of described relief valve one (3) is connected with the oil outlet of the T mouth of solenoid directional control valve two (4), left oil hydraulic motor (20), O mouth, solenoid directional control valve five (10) the A mouth of the A mouth of described solenoid directional control valve two (4) and the filler opening of sequence valve (6), solenoid directional control valve seven (13) are connected, and the T mouth of solenoid directional control valve two (4) is connected with the oil outlet of oil hydraulic motor, the filler opening of the T mouth of described solenoid directional control valve three (5) and solenoid directional control valve five (10) A mouth and solenoid directional control valve seven (13) O mouth, sequence valve (6) is connected, the oil outlet of described sequence valve (6) is connected with the T mouth of solenoid directional control valve four (7), relief valve two (8) oil outlet, radiator (17), the O mouth of described solenoid directional control valve four (7) is connected with the filler opening of the O mouth of solenoid directional control valve eight (15), relief valve two (8), the filler opening of proportional flow control valve two (9), the oil outlet of described relief valve two (8) is connected with radiator, and filler opening is connected with the filler opening of proportional flow control valve two (9), the O mouth of solenoid directional control valve eight (15), the filler opening that described proportional flow takes two (9) is connected with the O mouth of solenoid directional control valve eight (15), and the oil outlet that proportional flow takes two (9) is connected with the O mouth of solenoid directional control valve five (10), the O mouth of solenoid directional control valve six (12), the A mouth of described solenoid directional control valve five (10) is connected with the O mouth of solenoid directional control valve seven (13), the T mouth of solenoid directional control valve five (10) is connected with the filler opening of the filler opening of relief valve three (11), right oil hydraulic motor (21), the filler opening of described relief valve three (11) is connected with the filler opening of right oil hydraulic motor (21), and the oil outlet of relief valve three (11) is connected with the T mouth of the oil outlet of right oil hydraulic motor (21) and solenoid directional control valve six (12), the A mouth of described solenoid directional control valve six (12) is connected with the T mouth of solenoid directional control valve seven (13), described one-way throttle valve (14) filler opening is connected with the A mouth of solenoid directional control valve eight (15), and oil outlet is connected with the rod chamber hydraulic fluid port of transplanting oil cylinder (16), the B mouth of described solenoid directional control valve eight (15) is connected with the rodless cavity hydraulic fluid port of transplanting oil cylinder (16), and the T mouth of solenoid directional control valve eight (15) is connected with radiator (17), required radiator (17) is connected with return filter (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520356261.7U CN204692220U (en) | 2015-05-25 | 2015-05-25 | A kind of hydraulic system of crawler orchard operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520356261.7U CN204692220U (en) | 2015-05-25 | 2015-05-25 | A kind of hydraulic system of crawler orchard operation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204692220U true CN204692220U (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520356261.7U Expired - Fee Related CN204692220U (en) | 2015-05-25 | 2015-05-25 | A kind of hydraulic system of crawler orchard operation platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN204692220U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150354A (en) * | 2015-08-24 | 2015-12-16 | 广西三威林产工业有限公司 | Hydraulic system for pre-forming press |
| CN114919645A (en) * | 2021-02-12 | 2022-08-19 | 川崎重工业株式会社 | Hydraulic drive system |
-
2015
- 2015-05-25 CN CN201520356261.7U patent/CN204692220U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150354A (en) * | 2015-08-24 | 2015-12-16 | 广西三威林产工业有限公司 | Hydraulic system for pre-forming press |
| CN114919645A (en) * | 2021-02-12 | 2022-08-19 | 川崎重工业株式会社 | Hydraulic drive system |
| CN114919645B (en) * | 2021-02-12 | 2023-06-02 | 川崎重工业株式会社 | Hydraulic drive system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20170525 |