CN219555689U - Single-pump double-motor driving crawler chassis - Google Patents
Single-pump double-motor driving crawler chassis Download PDFInfo
- Publication number
- CN219555689U CN219555689U CN202320685575.6U CN202320685575U CN219555689U CN 219555689 U CN219555689 U CN 219555689U CN 202320685575 U CN202320685575 U CN 202320685575U CN 219555689 U CN219555689 U CN 219555689U
- Authority
- CN
- China
- Prior art keywords
- hole
- hydraulic control
- control high
- liquid inlet
- pressure
- 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.)
- Active
Links
- 239000007788 liquid Substances 0.000 claims description 58
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 12
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Motor Power Transmission Devices (AREA)
Abstract
The utility model discloses a single-pump double-motor driving crawler chassis, which comprises: the crawler chassis comprises a crawler chassis body and a control device, wherein the control device is arranged on the crawler chassis body and is connected with a main control system, the control device comprises a hydraulic pump, a first hydraulic control high-pressure shunt valve, a second hydraulic control high-pressure shunt valve, a first traveling motor and a second traveling motor, the hydraulic pump is respectively connected with the first hydraulic control high-pressure shunt valve and the second hydraulic control high-pressure shunt valve through pipelines, the first hydraulic control high-pressure shunt valve is respectively provided with a first diversion hole, a second diversion hole, a third diversion hole and a fourth diversion hole, the second hydraulic control high-pressure shunt valve is respectively provided with a fifth diversion hole, a sixth diversion hole, a seventh diversion hole and an eighth diversion hole, and the first hydraulic control high-pressure shunt valve and the second hydraulic control high-pressure shunt valve are respectively connected with oil control parts of the first traveling motor and the second traveling motor through corresponding holes. The utility model has simple structure, convenient use, good operability and higher popularization value.
Description
Technical Field
The utility model relates to the technical field of intelligent agricultural equipment, in particular to a single-pump double-motor driving crawler chassis.
Background
The crawler corn harvester chassis and the crawler carrier chassis are used at present, two driving systems are used, one driving system is an HCT hydraulic pump driving gearbox, two half shafts on two sides of the gearbox are respectively driven, two crawler driving wheels are arranged on two sides of the gearbox, one side of the gearbox is stopped by a clutch device in the gearbox during steering, one side of the gearbox is driven to steer, the other side of the gearbox is not provided with a driven crawler, the thrust of the vehicle-mounted gravity in-situ steering is borne, the crawler resistance is high, the crawler is not durable, the power loss is high, and the like. The two sets of hydraulic pumps and motors have the defects that the cost is high, and the two sets of motors can not completely control the oil supply quantity at the same instant in use, so that the tracked vehicle can not travel in a straight line, and the ideal operability can not be achieved in the industrial use.
According to the defects of the crawler chassis, a single-pump double-motor control system is developed, one hydraulic pump is saved, double-drive steering operability is good, production cost can be saved, and unmanned operation can be completed by carrying the intelligent control system.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the single-pump double-motor driving crawler chassis which is simple in structure, convenient to use, good in operability and low in cost.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a single pump, dual motor drive crawler chassis comprising: the crawler chassis comprises a crawler chassis body and a control device, wherein the control device is arranged on the crawler chassis body and is connected with a main control system, the control device comprises a hydraulic pump, a first hydraulic control high-pressure shunt valve, a second hydraulic control high-pressure shunt valve, a first traveling motor and a second traveling motor, a first liquid inlet hole, a second liquid inlet hole, a first flow dividing hole, a second flow dividing hole, a third flow dividing hole and a fourth flow dividing hole are respectively arranged on the first hydraulic control high-pressure shunt valve, the hydraulic pump is respectively connected with the first hydraulic control high-pressure shunt valve and the second hydraulic control high-pressure shunt valve through pipelines, a third liquid inlet hole, a fourth liquid inlet hole, a fifth flow dividing hole, a sixth flow dividing hole, a seventh flow dividing hole and an eighth flow dividing hole are respectively arranged on the second hydraulic control high-pressure shunt valve, and the first hydraulic control high-pressure shunt valve and the second hydraulic control high-pressure shunt valve are respectively connected with an oil control part of the first traveling motor and the second traveling motor through corresponding holes.
In the structure, the hydraulic pump is characterized by further comprising a five-way joint, the five-way joint is respectively connected with the hydraulic pump pipeline, the first hydraulic control high-pressure flow dividing valve and the second hydraulic control high-pressure flow dividing valve pipeline, a first liquid outlet hole and a second liquid outlet hole of the five-way joint are respectively connected with the first liquid inlet hole and the second liquid inlet hole through pipelines in a sealing manner, and a third liquid outlet hole and a fourth liquid outlet hole of the five-way joint are respectively connected with the fifth flow dividing hole and the sixth flow dividing hole through pipelines in a sealing manner.
In the above structure, the first hydraulic control high-pressure diverter valve and the second hydraulic control high-pressure diverter valve all comprise flow regulating valves, the flow regulating valves are multiple, the flow regulating valves are respectively positioned on the inner sides of the first hydraulic control high-pressure diverter valve and the second hydraulic control high-pressure diverter valve, and the flow regulating valves are respectively and correspondingly arranged with the third diversion hole, the fourth diversion hole, the seventh diversion hole and the eighth diversion hole.
In the above structure, the flow regulating valves are respectively electrically connected with the main control system.
In the structure, the first traveling motor and the second traveling motor are respectively connected with the driving wheels arranged at the lower part of the crawler chassis body.
In the above structure, the first walking motor comprises a first liquid inlet and a second liquid inlet, the second walking motor comprises a third liquid inlet and a fourth liquid inlet, the first walking motor is respectively connected with the first hydraulic control high-pressure flow dividing valve in a sealing way through the first liquid inlet and the second liquid inlet, and the second walking motor is respectively connected with the second hydraulic control high-pressure flow dividing valve in a pipeline way through the first liquid inlet and the second liquid inlet.
In the above structure, the main control system is an intelligent control system.
The utility model has the beneficial effects that:
according to the utility model, the flow of the two driving motors on the sides of the driving wheel is controlled by the hydraulic pump and the hydraulic control high-pressure flow dividing valve, so that the motors can achieve accurate and balanced oil supply, the tracked vehicle can walk in a straight line, the operability is good, the oil can be supplied to the forward and reverse oil holes of the motors by controlling the flow dividing valve during steering, the forward and reverse oil inlet of the two motors is completed, the tracked vehicle is driven in the forward and reverse directions, and the steering and in-situ rotation of the tracked vehicle are completed. The utility model has simple structure, convenient use and good operability.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a single pump, dual motor drive crawler chassis of the present utility model.
In the figure, a 1-hydraulic pump, a 2-first hydraulic control high-pressure diverter valve, a 3-second hydraulic control high-pressure diverter valve, a 4-first traveling motor, a 5-second traveling motor, a 6-five-way joint and a 7-flow regulating valve.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1, a single pump, dual motor drive crawler chassis, comprising: the crawler chassis comprises a crawler chassis body and a control device, wherein the control device is arranged on the crawler chassis body and is connected with a main control system, the control device comprises a hydraulic pump 1, a first hydraulic control high-pressure diverter valve 2, a second hydraulic control high-pressure diverter valve 3, a first traveling motor 4 and a second traveling motor 5, a first liquid inlet hole, a second liquid inlet hole, a first diversion hole, a second diversion hole, a third diversion hole and a fourth diversion hole are respectively arranged on the first hydraulic control high-pressure diverter valve 2, the hydraulic pump 1 is respectively connected with the first hydraulic control high-pressure diverter valve 2 and the second hydraulic control high-pressure diverter valve 3 through pipelines, a third liquid inlet hole, a fourth liquid inlet hole, a fifth diversion hole, a sixth diversion hole, a seventh diversion hole and an eighth diversion hole are respectively arranged on the second hydraulic control high-pressure diverter valve 3, and the first hydraulic control high-pressure diverter valve 2 and the second hydraulic control high-pressure diverter valve 3 are respectively connected with oil control parts of the first traveling motor 4 and the second traveling motor 5 through corresponding holes.
In the preferred embodiment of the utility model, the hydraulic pump further comprises a five-way joint 6, the five-way joint 6 is respectively connected with the pipeline of the hydraulic pump 1, the first hydraulic control high-pressure flow dividing valve 2 and the second hydraulic control high-pressure flow dividing valve 3, the first liquid outlet hole and the second liquid outlet hole of the five-way joint 6 are respectively connected with the first liquid inlet hole and the second liquid inlet hole in a sealing way through pipelines, and the third liquid outlet hole and the fourth liquid outlet hole of the five-way joint 6 are respectively connected with the fifth flow dividing hole and the sixth flow dividing hole in a sealing way through pipelines.
Specifically, in this embodiment, the hydraulic pump 1 is connected to the five-way joint 6 through a hydraulic oil pipe, the five-way joint 6 is provided with four output joints, and the five-way joint 6 is connected to a first liquid inlet hole, a second liquid inlet hole (A, B holes), a third liquid inlet hole, a fourth liquid inlet hole (A1 hole, B1 hole) on the first hydraulic control high pressure diverter valve 2 and a third diversion hole, a fourth diversion hole (C, D holes) on the first hydraulic control high pressure diverter valve 2 respectively by hydraulic pipes, and a seventh diversion hole, an eighth diversion hole (C1 hole, D1 hole) on the second hydraulic control high pressure diverter valve 3 are connected to A2 hole, B2 hole of the first walking motor and A3 hole, B3 hole of the second walking motor respectively by hydraulic pipes.
In the preferred embodiment of the utility model, the first hydraulic control high-pressure diverter valve 2 and the second hydraulic control high-pressure diverter valve 3 comprise a plurality of flow regulating valves 7, the plurality of flow regulating valves 7 are respectively positioned at the inner sides of the first hydraulic control high-pressure diverter valve 2 and the second hydraulic control high-pressure diverter valve 3, and the plurality of flow regulating valves 7 are respectively arranged corresponding to a third diversion hole, a fourth diversion hole (C, D holes), a seventh diversion hole and an eighth diversion hole (C1 and D1 holes).
In the preferred embodiment of the present utility model, the plurality of flow regulating valves 7 are electrically connected to the main control system respectively.
In the preferred embodiment of the utility model, the first walking motor 5 and the second walking motor 6 are respectively connected with driving wheels arranged at the lower part of the crawler chassis body.
In the preferred embodiment of the utility model, the first traveling motor 4 comprises a first liquid inlet and a second liquid inlet (A2 and B2), the second traveling motor 5 comprises a third liquid inlet and a fourth liquid inlet (A3 and B3), the first traveling motor 4 is respectively and hermetically connected with the first hydraulic control high-pressure diverter valve through the first liquid inlet and the second liquid inlet, and the second traveling motor 5 is respectively and hermetically connected with the second hydraulic control high-pressure diverter valve 3 through the first liquid inlet and the second liquid inlet.
Specifically, in this embodiment, the hydraulic pump 1 is linked with the five-way joint 6 through a hydraulic oil pipe, the five-way joint 6 is provided with four output joints, the four output joints respectively supply oil to the a.b. holes on the first hydraulic control high-pressure diverter valve 2 and the A1 and B1 holes on the second hydraulic control high-pressure diverter valve 3, the first diversion hole and the second diversion hole (E hole and F hole) on the first hydraulic control high-pressure diverter valve 2 are used for exchanging oil to push the piston, so that the valve core stretches and contracts, the opening and closing of the A, C and B, D hole channels are controlled, the oil is supplied to the A2 and B2 holes of the first travelling motor 4, the A2 Kong Gongyou Ma Dawei rotates positively, the B2 Kong Gongyou motor rotates reversely, the A2B 2 hole of the first walking motor 4 and the A3 hole and the B3 hole of the second walking motor 5 are simultaneously supplied to the A hole or the B Kong Gongyou hole, the oil supply quantity of the A2 hole and the B2 hole of the first walking motor 4 and the A3 hole and the B3 hole of the second walking motor 5 is adjusted through the flow regulating valve 7 of the first hydraulic control high-pressure flow dividing valve, the oil supply quantity is consistent, the vehicles can linearly walk forwards or backwards, and the vehicles can turn left and right and rotate in 360 degrees in situ when the A1 hole and the A2 hole are simultaneously supplied to the B1 hole and the B2 hole Kong Gongyou.
In a preferred embodiment of the present utility model, the master control system is an intelligent control system.
Specifically, in this embodiment, by mounting the intelligent control system, the opening and closing of the a, c, B, d. on the first hydraulic control high-pressure diverter valve 2 are controlled, and the opening and closing of the A1, c1, B1, d1 on the second hydraulic control high-pressure diverter valve 3 are controlled, so that unmanned walking and working can be completed.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (7)
1. A single pump, dual motor drive crawler chassis comprising: the crawler chassis comprises a crawler chassis body and a control device, wherein the control device is arranged on the crawler chassis body and is connected with a main control system, and the crawler chassis is characterized in that the control device comprises a hydraulic pump, a first hydraulic control high-pressure shunt valve, a second hydraulic control high-pressure shunt valve, a first traveling motor and a second traveling motor, a first liquid inlet hole, a second liquid inlet hole, a first diversion hole, a second diversion hole, a third diversion hole and a fourth diversion hole are respectively arranged on the first hydraulic control high-pressure shunt valve, the hydraulic pump is respectively connected with the first hydraulic control high-pressure shunt valve and the second hydraulic control high-pressure shunt valve through pipelines, a third liquid inlet hole, a fourth liquid inlet hole, a fifth diversion hole, a sixth diversion hole, a seventh diversion hole and an eighth diversion hole are respectively arranged on the second hydraulic control high-pressure shunt valve, and the second hydraulic control high-pressure shunt valve are respectively connected with a control part of the first traveling motor and the second traveling motor through corresponding holes.
2. The single-pump double-motor drive crawler chassis according to claim 1, further comprising a five-way joint, wherein the five-way joint is respectively connected with the hydraulic pump, the first hydraulic control high-pressure diverter valve and the second hydraulic control high-pressure diverter valve through pipelines, a first liquid outlet hole and a second liquid outlet hole of the five-way joint are respectively connected with the first liquid inlet hole and the second liquid inlet hole through pipelines in a sealing manner, and a third liquid outlet hole and a fourth liquid outlet hole of the five-way joint are respectively connected with the fifth diverter hole and the sixth diverter hole through pipelines in a sealing manner.
3. The single-pump double-motor driven crawler chassis according to claim 2, wherein the first hydraulic control high-pressure diverter valve and the second hydraulic control high-pressure diverter valve each comprise a plurality of flow regulating valves, the plurality of flow regulating valves are respectively positioned on the inner sides of the first hydraulic control high-pressure diverter valve and the second hydraulic control high-pressure diverter valve, and the plurality of flow regulating valves are respectively arranged corresponding to the third diversion hole, the fourth diversion hole, the seventh diversion hole and the eighth diversion hole.
4. The single-pump, dual-motor drive crawler chassis of claim 3, wherein a plurality of the flow regulating valves are electrically connected to the master control system, respectively.
5. The single-pump, double-motor drive crawler chassis according to claim 1, wherein the first and second travel motors are respectively connected with drive wheels provided at a lower portion of the crawler chassis body.
6. The single-pump dual-motor drive crawler chassis of claim 1, wherein the first travel motor comprises a first liquid inlet and a second liquid inlet, the second travel motor comprises a third liquid inlet and a fourth liquid inlet, the first travel motor is respectively connected with the first hydraulic control high-pressure diverter valve in a sealing manner through the first liquid inlet and the second liquid inlet, and the second travel motor is respectively connected with the second hydraulic control high-pressure diverter valve in a pipeline manner through the first liquid inlet and the second liquid inlet.
7. The single pump, dual motor drive crawler chassis of claim 1, wherein the master control system is an intelligent control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320685575.6U CN219555689U (en) | 2023-03-31 | 2023-03-31 | Single-pump double-motor driving crawler chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320685575.6U CN219555689U (en) | 2023-03-31 | 2023-03-31 | Single-pump double-motor driving crawler chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219555689U true CN219555689U (en) | 2023-08-22 |
Family
ID=87646910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320685575.6U Active CN219555689U (en) | 2023-03-31 | 2023-03-31 | Single-pump double-motor driving crawler chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219555689U (en) |
-
2023
- 2023-03-31 CN CN202320685575.6U patent/CN219555689U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112550445B (en) | Hydraulic power-assisted steering system | |
| CN219555689U (en) | Single-pump double-motor driving crawler chassis | |
| CN103465957A (en) | Manually switched multi-mode steering hydraulic control system and wheeled crane | |
| CN208180772U (en) | any angle steering drive axle | |
| CN109109659A (en) | Wheeled agricultural machinery and its hydraulic travel system | |
| CN2875909Y (en) | All direction turning round mechanism of motor driven industrial vehicle | |
| CN201057256Y (en) | Novel hydraulically driving device of sliding loader | |
| CN204488912U (en) | A kind of energy-storage type vehicle hydraulic steering safety auxiliary device | |
| CN201376494Y (en) | Hydraulic system for double power flow tracked vehicle | |
| WO2014029555A1 (en) | Steering system for a trailing axle of a vehicle | |
| CN104165219B (en) | Hydrostatic buncher | |
| CN216232540U (en) | Multifunctional steering system of engineering machinery vehicle | |
| CN210416725U (en) | Integrated chassis four-wheel steering device and multifunctional operation vehicle | |
| CN210793320U (en) | Vehicle four-wheel steering system | |
| CN110962924B (en) | Hydraulic driving and steering system and aerial working machine | |
| CN107176204B (en) | Hydraulic hub motor aids in differential servo steering system | |
| CN105940868A (en) | Longitudinal axis flow harvester chassis structure | |
| CN202243640U (en) | Energy-saving hydraulic power-assisted steering system | |
| CN101850722A (en) | Hydraulic driven remote control tractor | |
| CN101816244A (en) | Chassis of combine harvester | |
| CN219764473U (en) | Oil pressure auxiliary device applied to model car | |
| CN220706136U (en) | Walking hydraulic system of crawler chassis | |
| CN109850011B (en) | Four-wheel four-steering hydraulic driving system for agricultural machinery | |
| CN112455536B (en) | Electro-hydraulic redundant all-wheel steering system | |
| CN116118860B (en) | Steering device with all-wheel steering integrated valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Area D14a, plot south of Shendong 6th Road, east of Zhongxing Street, Shenfu Demonstration Zone, Shenyang City, Liaoning Province, 113122 Patentee after: Liaoning Liaotuo Dayi Agricultural Machinery Co.,Ltd. Address before: Area D14a, plot south of Shendong 6th Road, east of Zhongxing Street, Shenfu New District, Fushun City, Liaoning Province, 113122 Patentee before: Liaoning liaotuodayi Agricultural Machinery Co.,Ltd. |
|
| CP03 | Change of name, title or address |