CN203353185U - Differential and synchronization control device for sugarcane harvester hydraulic walking system - Google Patents
Differential and synchronization control device for sugarcane harvester hydraulic walking system Download PDFInfo
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- CN203353185U CN203353185U CN 201320357449 CN201320357449U CN203353185U CN 203353185 U CN203353185 U CN 203353185U CN 201320357449 CN201320357449 CN 201320357449 CN 201320357449 U CN201320357449 U CN 201320357449U CN 203353185 U CN203353185 U CN 203353185U
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Abstract
The utility model discloses a differential and synchronization control device for a sugarcane harvester hydraulic walking system and belongs to the field of hydraulic power systems. The differential and synchronization control device comprises a hydraulic pump, a distributing valve, a flow distributing and collecting valve unit, a left wheel-side motor and a right wheel-side motor. The hydraulic pump, the distributing valve, the left wheel-side motor and the right wheel-side motor form a closed type oil line walking driving system, and automatic differential can be achieved; the hydraulic pump, the distributing valve, the flow distributing and collecting valve unit, the left wheel-side motor and the right wheel-side motor form a closed type oil line walking driving system, and left-and-right synchronous driving can be achieved. The differential and synchronization control device can be widely applied to various sugarcane harvesters and can also be used for other hydraulic driving waking machines.
Description
Technical field
The utility model belongs to the hydraulic power system field, specifically a kind of cane harvester hydraulic travel system differential and sync control device.
Background technology
The cane harvester hydraulic travel system adopts the rear wheel drive mode usually, left and right sidesing driving wheel should be able to realize that automatic differential is to realize turning function in the process of walking, and while monolateral skid occurring in straight-line travelling and operation process, should be able to realize that left and right is synchronous drives, so that grain header keeps straight-line travelling or smoothly by the location of skidding.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of cane harvester hydraulic travel system differential and sync control device, and this device can be realized automatic differential, can realize again when needed the synchronous driving in left and right.
For solving the problems of the technologies described above, the cane harvester hydraulic travel system differential that the utility model provides 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 the 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 the closed oil circuit travel driving system, can realize the synchronous driving in left and right.
Described distributing valve is when normality (without the External Force Acting state), and its oil-in is communicated with two oil-outs wherein, with its 3rd oil-out in off state; While to distributing valve, applying active force, its oil-in becomes off state with two oil-outs that are 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.
The utility model cane harvester hydraulic travel system differential and sync control device operation principle are as follows: when distributing valve is in the normal state (without the External Force Acting state), the oil-in of distributing valve is communicated with two oil-outs wherein, with its 3rd oil-out in off state, two oil-outs that the hydraulic oil that hydraulic pump is supplied with is communicated with oil-in through distributing valve enter respectively a left side, thereby right wheel-side motor drives left, right lateral is walked driving wheel, now left, the free dispense flow rate of right wheel-side motor, left, right wheel-side motor realizes that according to the variation of extraneous resistance constant speed is rotated or differential rotates, forcing left and right running wheel as needs synchronously drives, can apply active force to distributing valve makes its oil-in open circuit with two oil-outs that are communicated with under normality, its oil-in is communicated with the 3rd oil-out simultaneously, the hydraulic oil that hydraulic pump is supplied with enters the flow distributing and collecting valve cell through the 3rd oil-out of distributing valve, two parts that the flow distributing and collecting valve cell is assigned as equivalent by hydraulic oil enter left and right wheel-side motor, thereby realize the synchronous constant speed rotation of left and right running wheel.When the reverse fuel feeding of hydraulic pump, each hydraulic circuit of system can oppositely be communicated with fuel feeding, and left and right wheel-side motor is realized 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 and get final product, under this state, left and right wheel-side motor can be according to the variation of extraneous resistance free dispense flow rate, realize that constant speed is rotated or differential rotates, grain header can be realized straight line moving or turn on road; The monolateral wheel while skidding appears because external drag changes when left and right running wheel, but operation of selector valve, enter left and right wheel-side motor after two parts that the hydraulic oil that hydraulic pump is supplied with is assigned as equivalent through the flow distributing and collecting valve cell, realize that the synchronous constant speed of left and right wheel-side motor drives, and makes grain header smoothly by the location of skidding.
As a kind of preferred version of the present utility model, distributing valve can adopt the electromagnetic control type distributing valve.Be conducive to realize Long-distance Control.
As another kind of preferred version of the present utility model, distributing valve can adopt the hydraulically-controlled type distributing valve.Distributing valve is operated by pilot-actuated valve.Can conveniently realize Long-distance Control, under the state of large flow and high pressure, can realize controlling more reliably.
The accompanying drawing explanation
Fig. 1 is the utility model cane harvester hydraulic travel system differential and sync control device the first embodiment system schematic.
Fig. 2 is the utility model cane harvester hydraulic travel system differential and sync control device the second embodiment system schematic.
Fig. 3 is the utility model cane harvester hydraulic travel system differential and sync control device the 3rd embodiment system schematic.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
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, revolver limit motor 4, right wheel-side motor 5 as shown in Figure 1.
(without the External Force Acting state) under normal conditions, the oil-in A of distributing valve 2 is communicated with two oil-out B, C, with the 3rd oil-out D in off state; While 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-out B, C of distributing valve 2 connect respectively the oil-in of left and right wheel-side motor 4,5, the 3rd oil-out D of distributing valve 2 connects the oil-in of flow distributing and collecting valve cell 3, and two oil-out E, F of flow distributing and collecting valve cell 3 connect respectively the oil-in of left and right wheel-side motor 4,5.
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 the External Force Acting state), the hydraulic oil of hydraulic pump 1 enters respectively left and right wheel-side motor 4,5 through oil-out B, the C of distributing valve 2, thereby drive left and right running wheel, left and right wheel-side motor 4,5 free dispense flow rate now, left and right wheel-side motor realizes that according to the variation of extraneous resistance constant speed is rotated or differential rotates, and can realize on road straight line moving or turn to; Forcing left and right running wheel as needs synchronously drives, apply active force can to distributing valve 2, its oil-in A and oil-out B, C are opened 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 flow distributing and collecting valve cell 3 is assigned as hydraulic oil equivalent enter respectively left and right wheel-side motor 4,5 by outlet E, F, thereby realizes the synchronous constant speed 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 variation of extraneous resistance, can be realized straight line moving or turn on road; The monolateral wheel while skidding appears because external drag changes when left and right running wheel, can handle the hydraulic oil that distributing valve 2 makes hydraulic pump 1 and enter left and right wheel-side motor 4,5 after flow distributing and collecting valve cell 3, realize that the synchronous constant speed of left and right wheel-side motor 4,5 drives, and makes grain header smoothly by the location of skidding.
In embodiment, the distributing valve 2 of cane harvester hydraulic travel system differential and sync control device adopts the electromagnetic type distributing valve as shown in Figure 2.This distributing valve adopts automatically controlled mode to be operated.
In embodiment, the distributing valve 2 of cane harvester hydraulic travel system differential and sync control device adopts the hydraulically-controlled type distributing valve as shown in Figure 3, and this distributing valve is operated by pilot-actuated valve 6.
The utility model cane harvester hydraulic travel system differential and sync control device can be widely used on various cane harvesters, also can be for other hydraulic-driven walking machine.
Claims (3)
1. a cane harvester hydraulic travel system differential and sync control device, comprise hydraulic pump (1), distributing valve (2), flow distributing and collecting valve cell (3) and a left side, right wheel-side motor (4, 5), it is characterized in that hydraulic pump (1), distributing valve (2), flow distributing and collecting valve cell (3) and a left side, right wheel-side motor (4, 5) form the closed oil circuit travel driving system, described distributing valve (2) is without the External Force Acting state time, its oil-in is communicated with two oil-outs wherein, with its 3rd oil-out in off state, give distributing valve (2) while applying active force, distributing valve (2) oil-in becomes off state with two oil-outs that are communicated with under normal conditions, its oil-in is communicated with the 3rd oil-out simultaneously, described flow distributing and collecting valve cell (3) is the Hydraulic Elements with uniform distribution traffic engineering capability.
2. cane harvester hydraulic travel system differential according to claim 12 and sync control device, is characterized in that described distributing valve (2) is the electromagnetic control type distributing valve.
3. cane harvester hydraulic travel system differential according to claim 1 and sync control device, is characterized in that described distributing valve (2) is the hydraulically-controlled type distributing valve, also is equipped with pilot-actuated valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320357449 CN203353185U (en) | 2013-06-21 | 2013-06-21 | Differential and synchronization control device for sugarcane harvester hydraulic walking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320357449 CN203353185U (en) | 2013-06-21 | 2013-06-21 | Differential and synchronization control device for sugarcane harvester hydraulic walking system |
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| CN203353185U true CN203353185U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320357449 Expired - Lifetime CN203353185U (en) | 2013-06-21 | 2013-06-21 | Differential and synchronization control device for sugarcane harvester hydraulic walking system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170585A (en) * | 2014-08-26 | 2014-12-03 | 河南科技大学 | Traveling hydraulic control system for cane harvester |
| CN104221593A (en) * | 2013-06-21 | 2014-12-24 | 广西壮族自治区农业机械研究院 | Differential and synchronization control device of hydraulic travelling system of sugarcane harvester |
| CN105165251A (en) * | 2015-07-22 | 2015-12-23 | 陈戈平 | Special hydraulic full-automatic terrain-simulating system for cane harvester |
| CN108138805A (en) * | 2016-07-29 | 2018-06-08 | 株式会社小松制作所 | Control system, Work machine and control method |
-
2013
- 2013-06-21 CN CN 201320357449 patent/CN203353185U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221593A (en) * | 2013-06-21 | 2014-12-24 | 广西壮族自治区农业机械研究院 | Differential and synchronization control device of hydraulic travelling system of sugarcane harvester |
| CN104170585A (en) * | 2014-08-26 | 2014-12-03 | 河南科技大学 | Traveling hydraulic control system for cane harvester |
| CN105165251A (en) * | 2015-07-22 | 2015-12-23 | 陈戈平 | Special hydraulic full-automatic terrain-simulating system for cane harvester |
| CN105165251B (en) * | 2015-07-22 | 2017-09-01 | 招妙妍 | A kind of sugar-cane cutting machine dedicated hydraulic automatically imitates topography system |
| 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 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 530007 Nanning East Road, the Guangxi Zhuang Autonomous Region, No. 170 Patentee after: GUANGXI AGRICULTURAL MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: 530007 Nanning East Road, the Guangxi Zhuang Autonomous Region, No. 170 Patentee before: GUANGXI ZHUANG AUTONOMOUS REGION INSTITUTE OF AGRICULTURAL MACHINERY |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |