CN104221593A - Differential and synchronization control device of hydraulic travelling system of sugarcane harvester - Google Patents
Differential and synchronization control device of hydraulic travelling system of sugarcane harvester Download PDFInfo
- Publication number
- CN104221593A CN104221593A CN201310248324.2A CN201310248324A CN104221593A CN 104221593 A CN104221593 A CN 104221593A CN 201310248324 A CN201310248324 A CN 201310248324A CN 104221593 A CN104221593 A CN 104221593A
- Authority
- CN
- China
- Prior art keywords
- oil
- control device
- distributing valve
- valve
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Retarders (AREA)
Abstract
The invention discloses a differential and synchronization control device of a hydraulic travelling system of a sugarcane harvester and belongs to the field of hydraulic power systems. The differential and synchronization control device comprises a hydraulic pump, a distribution valve, a flow distributing and collecting valve unit, a left wheel motor and a right wheel motor. The hydraulic pump, the distribution valve, the left wheel motor and the right wheel motor form a closed oilway travelling driving system and realizes automatic differential; the hydraulic pump, the distribution valve, the flow distributing and collecting value unit, the left wheel motor and the right wheel motor form a closed oilway travelling and driving system and can realize left-right synchronous driving. The differential and synchronization control device is widely applied to various sugarcane harvesters and can be used for other hydraulic driving and travelling machinery.
Description
Technical field
The invention belongs to hydraulic power system field, specifically a kind of cane harvester hydraulic travel system differential and sync control device.
Background technology
Cane harvester hydraulic travel system adopts rear wheel drive mode usually, left and right sidesing driving wheel should be able to realize automatic differential to realize turning function in the process of walking, and when there is monolateral skid in straight-line travelling and operation process, the synchronous driving in left and right should be able to be realized, keep straight-line travelling or smooth in skidding location to make grain header.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of cane harvester hydraulic travel system differential and sync control device, and this device can realize automatic differential, can realize again the synchronous driving in left and right when needed.
For solving the problems of the technologies described above, cane harvester hydraulic travel system differential provided by the invention and sync control device comprise hydraulic pump, distributing valve, flow distributing and collecting valve cell and left and right wheel-side motor.Hydraulic pump, distributing valve and left and right wheel-side motor form closed oil circuit travel driving system, can realize automatic differential.Hydraulic pump, distributing valve, flow distributing and collecting valve cell and left and right wheel-side motor form closed oil circuit travel driving system, can realize the synchronous driving in left and right.
Described distributing valve is when normality (without External Force Acting state), and its oil-in is communicated with wherein two oil-outs, is in off state with its 3rd oil-out; When applying active force to distributing valve, its oil-in becomes off state with two oil-outs be communicated with under normal conditions, and its oil-in is communicated with the 3rd oil-out simultaneously.
Described flow distributing and collecting valve cell is the Hydraulic Elements with uniform distribution traffic engineering capability.
Cane harvester hydraulic travel system differential of the present invention and sync control device operation principle as follows: when distributing valve is in the normal state (without External Force Acting state), the oil-in of distributing valve is communicated with wherein two oil-outs, then off state is in its 3rd oil-out, two oil-outs that the hydraulic oil of hydraulic pump supply is communicated with oil-in through distributing valve enter a left side respectively, right wheel-side motor thus drive left, right running wheel, now left, the free dispense flow rate of right wheel-side motor, left, right wheel-side motor realizes constant velocity rotation according to the change of external resistance or differential rotates, as needs force left and right running wheel synchronously to drive, active force can be applied to distributing valve and make its oil-in and two the oil-out open circuits be communicated with under normality, its oil-in is communicated with the 3rd oil-out simultaneously, the hydraulic oil of hydraulic pump supply enters flow distributing and collecting valve cell through the 3rd oil-out of distributing valve, two parts that hydraulic oil is assigned as equivalent by flow distributing and collecting valve cell enter left and right wheel-side motor, thus realize the synchronous constant velocity rotation of left and right running wheel.When the reverse fuel feeding of hydraulic pump, each hydraulic circuit of system oppositely can be communicated with fuel feeding, and left and right wheel-side motor realizes rotating backward, and its operation principle is same.
Cane harvester is in normal driving process, keep distributing valve to be in the normal state down, in this case, left and right wheel-side motor can according to the free dispense flow rate of the change of external resistance, realize constant velocity rotation or differential rotation, grain header can realize straight line moving or turn on road; When left and right running wheel takes turns skidding because external drag change appearance is monolateral, can operation of selector valve, the hydraulic oil that hydraulic pump is supplied enters left and right wheel-side motor after two parts that flow distributing and collecting valve cell is assigned as equivalent, realize the synchronous constant speed of left and right wheel-side motor to drive, make grain header smoothly by skidding location.
As a preferred embodiment of the present invention, distributing valve can adopt electromagnetic control type distributing valve.Be conducive to realizing Long-distance Control.
As another kind of preferred version of the present invention, distributing valve can adopt hydraulically-controlled type distributing valve.Distributing valve is operated by pilot-actuated valve.Conveniently can realize Long-distance Control, under the state of large discharge and high pressure, can realize controlling more reliably.
Accompanying drawing explanation
Fig. 1 is cane harvester hydraulic travel system differential of the present invention and sync control device first embodiment system schematic.
Fig. 2 is cane harvester hydraulic travel system differential of the present invention and sync control device second embodiment system schematic.
Fig. 3 is cane harvester hydraulic travel system differential of the present invention and sync control device the 3rd embodiment system schematic.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 in embodiment, cane harvester hydraulic travel system differential and sync control device comprise hydraulic pump 1, distributing valve 2, flow distributing and collecting valve cell 3, left wheel-side motor 4, right wheel-side motor 5.
Under normal conditions (without External Force Acting state), the oil-in A of distributing valve 2 is communicated with two oil-outs B, C, is then in off state with the 3rd oil-out D; When applying active force to distributing valve 2, can make oil-in A and two oil-out B, C open circuit, its oil-in A is communicated with the 3rd oil-out D simultaneously.As shown in Figure 1, the oil-out of hydraulic pump 1 is connected to the oil-in A of distributing valve 2, two oil-outs B, C of distributing valve 2 connect the oil-in of left and right wheel-side motor 4,5 respectively, 3rd oil-out D of distributing valve 2 connects the oil-in of flow distributing and collecting valve cell 3, and two oil-outs E, F of flow distributing and collecting valve cell 3 connect the oil-in of left and right wheel-side motor 4,5 respectively.
The present embodiment is when practical application, hydraulic pump 1 is to fuel feeding in system, when distributing valve 2 is in the normal state (without External Force Acting state), the hydraulic oil of hydraulic pump 1 enters left and right wheel-side motor 4,5 respectively through oil-out B, C of distributing valve 2, thus drive left and right running wheel, the now free dispense flow rate of left and right wheel-side motor 4,5, left and right wheel-side motor realizes constant velocity rotation or differential according to the change of external resistance and rotates, and can to realize on road straight line moving or turn to; As needs force left and right running wheel synchronously to drive, apply active force can to distributing valve 2, make its oil-in A and oil-out B, C open circuit, simultaneously, its oil-in A is communicated with the 3rd oil-out D, the hydraulic oil of hydraulic pump 1 enters flow distributing and collecting valve cell 3 through distributing valve 2 the 3rd oil-out D, and two parts that hydraulic oil is assigned as equivalent by flow distributing and collecting valve cell 3 enter left and right wheel-side motor 4,5 respectively by outlet E, F, thus realize the synchronous constant velocity rotation of left and right running wheel.Cane harvester is in normal driving process, and distributing valve 2 is in the normal state, and left and right wheel-side motor, according to the free dispense flow rate of the change of external resistance, can realize straight line moving or turn on road; When left and right running wheel takes turns skidding because external drag change appearance is monolateral, can handle distributing valve 2 makes the hydraulic oil of hydraulic pump 1 after flow distributing and collecting valve cell 3, enter left and right wheel-side motor 4,5, realize the synchronous constant speed of left and right wheel-side motor 4,5 to drive, make grain header smoothly by skidding location.
As shown in Figure 2 in embodiment, the distributing valve 2 of cane harvester hydraulic travel system differential and sync control device adopts electromagnetic type distributing valve.This distributing valve adopts automatically controlled mode to operate.
As shown in Figure 3 in embodiment, the distributing valve 2 of cane harvester hydraulic travel system differential and sync control device adopts hydraulically-controlled type distributing valve, and this distributing valve is operated by pilot-actuated valve 6.
Cane harvester hydraulic travel system differential of the present invention and sync control device can be widely used on various cane harvester, also may be used for other hydraulic-driven walking machine.
Claims (8)
1. a cane harvester hydraulic travel system differential and sync control device, comprise hydraulic pump (1), distributing valve (2), left and right wheel-side motor (4,5), it is characterized in that hydraulic pump (1), distributing valve (2) and left and right wheel-side motor (4,5) form closed oil circuit travel driving system.
2. cane harvester hydraulic travel system differential according to claim 1 and sync control device, also comprise flow distributing and collecting valve cell (3), hydraulic pump (1), distributing valve (2), flow distributing and collecting valve cell (3) and left and right wheel-side motor (4,5) form closed oil circuit travel driving system.
3. cane harvester hydraulic travel system differential according to claim 2 and sync control device, is characterized in that described flow distributing and collecting valve cell (3) is the Hydraulic Elements with uniform distribution traffic engineering capability.
4. the cane harvester hydraulic travel system differential according to claim 1,2 or 3 and sync control device, it is characterized in that described distributing valve (2) is when normality (without External Force Acting state), its oil-in is communicated with wherein two oil-outs, is in off state with its 3rd oil-out; When applying active force to distributing valve (2), distributing valve (2) oil-in becomes off state with two oil-outs be communicated with under normal conditions, and its oil-in is communicated with the 3rd oil-out simultaneously.
5. the cane harvester hydraulic travel system differential according to claim 1,2 or 3 and sync control device, is characterized in that described distributing valve (2) is electromagnetic control type distributing valve.
6. the cane harvester hydraulic travel system differential according to claim 1,2 or 3 and sync control device, is characterized in that described distributing valve (2) is hydraulically-controlled type distributing valve, be also provided with pilot-actuated valve (6).
7. cane harvester hydraulic travel system differential according to claim 4 and sync control device, is characterized in that described distributing valve (2) is electromagnetic control type distributing valve.
8. cane harvester hydraulic travel system differential according to claim 4 and sync control device, is characterized in that described distributing valve (2) is hydraulically-controlled type distributing valve, is also provided with pilot-actuated valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310248324.2A CN104221593A (en) | 2013-06-21 | 2013-06-21 | Differential and synchronization control device of hydraulic travelling system of sugarcane harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310248324.2A CN104221593A (en) | 2013-06-21 | 2013-06-21 | Differential and synchronization control device of hydraulic travelling system of sugarcane harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104221593A true CN104221593A (en) | 2014-12-24 |
Family
ID=52211217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310248324.2A Pending CN104221593A (en) | 2013-06-21 | 2013-06-21 | Differential and synchronization control device of hydraulic travelling system of sugarcane harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104221593A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108138805A (en) * | 2016-07-29 | 2018-06-08 | 株式会社小松制作所 | Control system, Work machine and control method |
| CN108561350A (en) * | 2018-03-23 | 2018-09-21 | 中联重机股份有限公司 | A kind of rice harvester hydraulic control system |
| CN109937676A (en) * | 2017-12-21 | 2019-06-28 | 山东农业大学 | A kind of Mechatronic control system and control method of self-propelled hydraulic lotus root digging machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005013086A (en) * | 2003-06-26 | 2005-01-20 | Bunmei Noki Kk | Hydraulic driving gear for sugar cane harvester |
| CN2766511Y (en) * | 2004-12-31 | 2006-03-29 | 周春山 | Multiple-wheel walking and driving combined harvester |
| CN2933941Y (en) * | 2006-07-07 | 2007-08-15 | 长安大学 | High-slow velocity switching-running driving device of fully-hydraulic bulldozer and leveler |
| CN201792744U (en) * | 2010-08-31 | 2011-04-13 | 三一重工股份有限公司 | Single-pump dual-motor driving engineering vehicle and hydraulic system and control device thereof |
| CN102326483A (en) * | 2011-08-18 | 2012-01-25 | 覃志明 | Rear-wheel hydraulic driving system of combined harvester |
| CN203353185U (en) * | 2013-06-21 | 2013-12-25 | 广西壮族自治区农业机械研究院 | Differential and synchronization control device for sugarcane harvester hydraulic walking system |
-
2013
- 2013-06-21 CN CN201310248324.2A patent/CN104221593A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005013086A (en) * | 2003-06-26 | 2005-01-20 | Bunmei Noki Kk | Hydraulic driving gear for sugar cane harvester |
| CN2766511Y (en) * | 2004-12-31 | 2006-03-29 | 周春山 | Multiple-wheel walking and driving combined harvester |
| CN2933941Y (en) * | 2006-07-07 | 2007-08-15 | 长安大学 | High-slow velocity switching-running driving device of fully-hydraulic bulldozer and leveler |
| CN201792744U (en) * | 2010-08-31 | 2011-04-13 | 三一重工股份有限公司 | Single-pump dual-motor driving engineering vehicle and hydraulic system and control device thereof |
| CN102326483A (en) * | 2011-08-18 | 2012-01-25 | 覃志明 | Rear-wheel hydraulic driving system of combined harvester |
| CN203353185U (en) * | 2013-06-21 | 2013-12-25 | 广西壮族自治区农业机械研究院 | Differential and synchronization control device for sugarcane harvester hydraulic walking system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108138805A (en) * | 2016-07-29 | 2018-06-08 | 株式会社小松制作所 | Control system, Work machine and control method |
| US10344781B2 (en) | 2016-07-29 | 2019-07-09 | Komatsu Ltd. | Control system, work machine, and control method |
| CN108138805B (en) * | 2016-07-29 | 2020-02-11 | 株式会社小松制作所 | Control system, work machine, and control method |
| CN109937676A (en) * | 2017-12-21 | 2019-06-28 | 山东农业大学 | A kind of Mechatronic control system and control method of self-propelled hydraulic lotus root digging machine |
| CN109937676B (en) * | 2017-12-21 | 2024-01-30 | 山东农业大学 | Electromechanical control system and control method of self-propelled hydraulic lotus root digging machine |
| CN108561350A (en) * | 2018-03-23 | 2018-09-21 | 中联重机股份有限公司 | A kind of rice harvester hydraulic control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203353185U (en) | Differential and synchronization control device for sugarcane harvester hydraulic walking system | |
| CN110131226B (en) | Walking control valve of crawler-type hydraulic walking system and walking system | |
| CN105971052B (en) | A kind of double pump double motor land leveller traveling fluid power system in parallel | |
| CN103522896B (en) | Front wheel auxiliary drive system of land leveller | |
| CN205446238U (en) | Use flow divider on hydrostatic 4 wheel driven mobile machinery | |
| CN103192872B (en) | The electric hydraulic power-assisted steering system of combination drive and control method thereof | |
| CN102673640B (en) | Hydraulic steering system | |
| CN202378697U (en) | Travel hydraulic control system and self-propelled engineering machinery applying such control system | |
| CN108382200B (en) | Non-road mechanical walking four-wheel drive electrohydraulic control system | |
| CN103192874B (en) | Four-wheel transport vehicle steering controlling device | |
| CN105539132A (en) | Dual-power drive system, engineering machinery vehicle and control method | |
| CN104221593A (en) | Differential and synchronization control device of hydraulic travelling system of sugarcane harvester | |
| CN107218268A (en) | Land leveller front wheel driven hydraulic system | |
| CN109404353A (en) | Land leveller front-wheel drive control valve and hydraulic system | |
| CN204341183U (en) | A kind of single motor drives differential steering device | |
| CN102390257A (en) | High and low-speed travel driving electric-hydraulic control system of engineering machinery | |
| CN102079331A (en) | Hydraulic control device for multiple drive steering ways of wheel type vehicle | |
| CN202767155U (en) | Device for improving straight walking performance of excavator in the process of doing compound actions | |
| CN204567298U (en) | A kind of cold regenerative machine double pump four motor fluid pressure drive device | |
| CN203974937U (en) | A kind of novel four-wheel steering system of agricultural plant protection vehicle | |
| CN203186097U (en) | Single-pump double-motor hydraulic transmission system | |
| CN105584526A (en) | Steering system for eight-wheel four-axle passenger car | |
| CN203199027U (en) | Hydraulic transmission system of full-hydraulic drive crawler-type tractor | |
| CN103692908A (en) | Hydraulic differential system for all-hydraulic traveling vehicle | |
| CN203460698U (en) | Front-wheel auxiliary drive system for land leveler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141224 |