CN210339663U - Self-walking hydraulic control system of unloading machine - Google Patents
Self-walking hydraulic control system of unloading machine Download PDFInfo
- Publication number
- CN210339663U CN210339663U CN201920979634.4U CN201920979634U CN210339663U CN 210339663 U CN210339663 U CN 210339663U CN 201920979634 U CN201920979634 U CN 201920979634U CN 210339663 U CN210339663 U CN 210339663U
- Authority
- CN
- China
- Prior art keywords
- walking
- hydraulic
- rear wheel
- front wheel
- steering
- 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
Images
Landscapes
- Transplanting Machines (AREA)
Abstract
The utility model discloses an unloader is from walking liquid accuse system installs on the unloader chassis, turn to return circuit and walking return circuit including hydraulic tank, hydraulic pump, power unit, chassis lift return circuit, chassis, hydraulic tank is connected with the hydraulic pump, power unit drive hydraulic pump operation, the hydraulic pump is for the chassis goes up and down, turns to and the walking provides power. The utility model discloses a set up chassis lift return circuit, turn to return circuit and walking return circuit, realized the self-walking function of car unloader, this liquid accuse system dependable performance, degree of automation height, practical function is strong.
Description
Technical Field
The utility model relates to a technical field of portable car unloader, concretely relates to car unloader is from walking liquid accuse system.
Background
The portable car unloader wide application is in the more and comparatively extensive place of distribution of discharge point, and market demand increases gradually year by year in the last two years, and portable car unloader on the existing market is of a great variety, and some adopt the hoist and mount mode to remove to appointed discharge site, and some adopt the mode of dragging to remove, and the operation is got up and is wasted time and energy, has a great deal of inconvenience. Some manufacturers adopt the concept of engineering vehicles, design a cab with a track structure to realize a self-driving function, but the manufacturing cost and the maintenance cost are higher, and the performance cost is lower.
To the above circumstances, need study a convenient operation, practicality are strong, the high portable unloader of degree of automation, the utility model relates to an unloader is from the better solution these problems of hydraulic control system of walking.
SUMMERY OF THE UTILITY MODEL
For overcoming the problem that exists among the prior art, the utility model provides a car unloader is from walking liquid accuse system.
The utility model provides a technical scheme that its technical problem adopted is: the self-walking hydraulic control system of the unloader is arranged on a chassis of the unloader and comprises a hydraulic oil tank, a hydraulic pump, a power mechanism, a chassis lifting loop, a chassis steering loop and a walking loop, wherein the hydraulic oil tank is connected with the hydraulic pump, the power mechanism drives the hydraulic pump to run, and the hydraulic pump provides power for the lifting, steering and walking of the chassis;
the chassis lifting loop comprises a front wheel lifting loop and a rear wheel lifting loop;
the chassis steering loop comprises a steering electromagnetic directional valve and a steering hydraulic motor, the steering electromagnetic directional valve is connected with the steering hydraulic motor, and the steering hydraulic motor is connected with a hydraulic oil tank;
the walking loop comprises a walking electromagnetic directional valve and a walking hydraulic motor, the walking electromagnetic directional valve is connected with the walking hydraulic motor, and the walking hydraulic motor is connected with a hydraulic oil tank.
Further, the power mechanism is a diesel engine.
Furthermore, the front wheel lifting loop comprises a front wheel lifting electromagnetic valve, a front wheel lifting locking device and two front wheel hydraulic cylinders, and the front wheel lifting electromagnetic valve is sequentially connected with the front wheel lifting tightening device and the two front wheel hydraulic cylinders; the rear wheel lifting loop comprises a rear wheel lifting electromagnetic valve, a rear wheel lifting locking device and two rear wheel hydraulic cylinders, and the rear wheel lifting electromagnetic valve is sequentially connected with the rear wheel lifting locking device and the two rear wheel hydraulic cylinders.
Furthermore, the front wheel lifting and tightening device and the rear wheel lifting and locking device are double hydraulic control one-way valves.
Further, the steering hydraulic motor comprises a left front wheel steering hydraulic motor and a right front wheel steering hydraulic motor, and the left front wheel steering hydraulic motor and the right front wheel steering hydraulic motor respectively control the left front wheel and the right front wheel to synchronously rotate through a gear chain mechanism.
Furthermore, the walking hydraulic motor comprises a left rear wheel walking hydraulic motor and a right rear wheel walking hydraulic motor, and the left rear wheel walking hydraulic motor and the right rear wheel walking hydraulic motor respectively drive the left rear wheel and the right rear wheel to synchronously walk through a coupler.
To sum up, the utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
1) the power mechanism is designed by adopting a diesel engine, is not influenced by field power supply factors, directly drives the hydraulic pump to rotate after the engine is started to provide power for the system, and has the advantages of simple operation and strong practicability.
2) The chassis lifting loop adopts a split design of a front wheel and a rear wheel, and the controllability of the lifting height of the chassis is good.
3) The lifting locking device of the tire hydraulic cylinder adopts a plate-type double-hydraulic control one-way valve, is convenient to install and high in safety.
4) The front wheel steering is controlled by a hydraulic motor through a gear chain mechanism, the rotating angle range is wide, and the steering speed is adjustable.
5) The hydraulic motor is adopted to drive the rear wheel to walk through the coupler, the functions of moving forward and retreating can be realized, the speed can be adjusted in a stepless mode, and the practicability is good.
Drawings
Fig. 1 is a hydraulic schematic diagram of the present invention.
Fig. 2 is a schematic diagram of the arrangement of the tire hydraulic cylinder of the present invention.
Fig. 3 is a schematic view of the front wheel structure of the present invention.
Fig. 4 is a schematic view of the rear wheel structure of the present invention.
Description of reference numerals:
1. the hydraulic control system comprises a hydraulic oil tank, 2, a hydraulic pump, 3, a power mechanism, 4-1, a rear wheel lifting electromagnetic valve, 4-2, a front wheel lifting electromagnetic valve, 5-1, a rear wheel lifting and shrinking device, 5-2, a front wheel lifting locking device, 6, a traveling electromagnetic reversing valve, 7, a steering electromagnetic reversing valve, 8-1, a left rear wheel traveling hydraulic motor, 8-2, a right rear wheel traveling hydraulic motor, 9-1, a left front wheel steering hydraulic motor, 9-2 a right rear wheel steering hydraulic motor, 10-1, a left rear wheel hydraulic cylinder, 10-2, a right rear wheel hydraulic cylinder, 11-1, a left front wheel hydraulic cylinder, 11-2 a right front wheel hydraulic cylinder, 12-1, a gear chain mechanism, 13-1, a coupler, 14 and an unloading machine chassis.
Detailed Description
The features and principles of the present invention will be described in detail below with reference to the accompanying drawings, and the illustrated embodiments are only for explaining the present invention, and do not limit the scope of the present invention.
Combine fig. 1 to fig. 4 shown, the utility model relates to an unloader from hydraulic control system that walks, install in on the unloader chassis 14, its structure includes hydraulic tank 1, hydraulic pump 2, power unit 3, chassis lift return circuit, chassis turn to return circuit and walking return circuit, hydraulic tank 1 is connected with hydraulic pump 2, power unit 3 designs for diesel engine, opens the operation of back drive hydraulic pump 2, hydraulic pump 2 is for the lift of unloader chassis 14, turns to and the walking provides power.
The chassis lifting loop comprises a front wheel lifting loop and a rear wheel lifting loop, the front wheel lifting loop comprises a front wheel lifting electromagnetic valve 4-2, a front wheel lifting locking device 5-2 and two front wheel hydraulic cylinders (a left front wheel hydraulic cylinder 11-1 and a right front wheel hydraulic cylinder 11-2), and the front wheel lifting electromagnetic valve 4-2 is sequentially connected with the front wheel lifting tightening device 5-2 and the two front wheel hydraulic cylinders.
The rear wheel lifting loop comprises a rear wheel lifting electromagnetic valve 4-1, a rear wheel lifting locking device 5-1 and two rear wheel hydraulic cylinders (a left rear wheel hydraulic cylinder 10-1 and a right rear wheel hydraulic cylinder 10-2), and the rear wheel lifting electromagnetic valve 4-1 is sequentially connected with the rear wheel lifting locking device 5-1 and the two rear wheel hydraulic cylinders.
In the embodiment, the front wheel lifting and shrinking device 5-2 and the rear wheel lifting and shrinking device 5-1 adopt a double-hydraulic-control one-way valve design, so that the installation is convenient, and the performance is stable and reliable.
The chassis steering loop comprises a steering electromagnetic directional valve 7, a left front wheel steering hydraulic motor 9-1 and a right front wheel steering hydraulic motor 9-2, wherein the steering electromagnetic directional valve 7 is respectively connected with the left front wheel steering hydraulic motor 9-1 and the right front wheel steering hydraulic motor 9-2, in the example, the left front wheel steering hydraulic motor 9-1 controls the steering of the left front wheel through a gear chain mechanism 12-1, and the steering of the rear wheel is also the same.
The walking loop comprises a walking electromagnetic directional valve 6, a left rear wheel walking hydraulic motor 8-1 and a right rear wheel walking hydraulic motor 8-2, wherein the walking electromagnetic directional valve 6 is respectively connected with the left rear wheel walking hydraulic motor 8-1 and the right rear wheel walking hydraulic motor 8-2, in the embodiment, the left rear wheel walking hydraulic motor 8-1 drives the left rear wheel to walk through a coupler 13-1, and the rear wheel also walks. The walking hydraulic motor is designed into a bidirectional hydraulic motor, and can realize forward and backward movement.
To sum up, the utility model discloses an unloader is from hydraulic control system that walks, when the unloader walks, open power unit 3 and drive hydraulic pump 2 rotatory, at first operate front wheel lift solenoid valve 4-2, control two front wheel pneumatic cylinders and stretch out in step, operate two rear wheel pneumatic cylinders of rear wheel lift solenoid valve 4-1 control simultaneously and stretch out in step, it is unanimous to play to rise the height around the assurance unloader chassis 14, finally ensure that unloader chassis 14 liftoff, front wheel lift locking device 5-2 and rear wheel lift constriction device 5-1 are with the safety lock of unloader chassis 14 at the current position this moment. According to the actual needs of a working site, the steering electromagnetic directional valve 7 is operated to simultaneously control the left front wheel steering hydraulic motor 9-1 and the right front wheel steering hydraulic motor 9-2, the left front wheel and the right front wheel are synchronously controlled through the gear chain mechanism to realize steering respectively, the walking electromagnetic directional valve 6 is operated to simultaneously control the left rear wheel hydraulic motor 8-1 and the right rear wheel hydraulic motor 8-2 to move after direction adjustment is completed, the left rear wheel and the right rear wheel are driven to walk through the coupling mechanism respectively, and finally the whole forward movement or backward movement function of the unloader is realized through front wheel steering and rear wheel driving.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Other technical features than those described in the specification are known to those skilled in the art.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, which is defined by the appended claims.
Claims (6)
1. A self-walking hydraulic control system of a car unloader is arranged on a chassis of the car unloader and is characterized by comprising a hydraulic oil tank, a hydraulic pump, a power mechanism, a chassis lifting loop, a chassis steering loop and a walking loop, wherein the hydraulic oil tank is connected with the hydraulic pump;
the chassis lifting loop comprises a front wheel lifting loop and a rear wheel lifting loop;
the chassis steering loop comprises a steering electromagnetic directional valve and a steering hydraulic motor, the steering electromagnetic directional valve is connected with the steering hydraulic motor, and the steering hydraulic motor is connected with a hydraulic oil tank;
the walking loop comprises a walking electromagnetic directional valve and a walking hydraulic motor, the walking electromagnetic directional valve is connected with the walking hydraulic motor, and the walking hydraulic motor is connected with a hydraulic oil tank.
2. The self-walking hydraulic control system of the unloading machine as claimed in claim 1, wherein the power mechanism is a diesel engine.
3. The self-walking hydraulic control system of the unloader as claimed in claim 1, wherein the front wheel lifting loop comprises a front wheel lifting solenoid valve, a front wheel lifting locking device and two front wheel hydraulic cylinders, and the front wheel lifting solenoid valve is connected with the front wheel lifting tightening device and the two front wheel hydraulic cylinders in sequence; the rear wheel lifting loop comprises a rear wheel lifting electromagnetic valve, a rear wheel lifting locking device and two rear wheel hydraulic cylinders, and the rear wheel lifting electromagnetic valve is sequentially connected with the rear wheel lifting locking device and the two rear wheel hydraulic cylinders.
4. The self-walking hydraulic control system of the unloading machine as claimed in claim 3, wherein the front wheel lifting and tightening device and the rear wheel lifting and locking device are double hydraulic control one-way valves.
5. The self-traveling hydraulic control system of the unloader of claim 1, wherein the steering hydraulic motors comprise a left front wheel steering hydraulic motor and a right front wheel steering hydraulic motor, and the left front wheel steering hydraulic motor and the right front wheel steering hydraulic motor control the left front wheel and the right front wheel to rotate synchronously through a gear-chain mechanism, respectively.
6. The self-walking hydraulic control system of the unloading machine according to claim 1, wherein the walking hydraulic motors comprise a left rear wheel walking hydraulic motor and a right rear wheel walking hydraulic motor, and the left rear wheel walking hydraulic motor and the right rear wheel walking hydraulic motor respectively drive the left rear wheel and the right rear wheel to walk synchronously through a coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920979634.4U CN210339663U (en) | 2019-06-26 | 2019-06-26 | Self-walking hydraulic control system of unloading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920979634.4U CN210339663U (en) | 2019-06-26 | 2019-06-26 | Self-walking hydraulic control system of unloading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210339663U true CN210339663U (en) | 2020-04-17 |
Family
ID=70191004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920979634.4U Active CN210339663U (en) | 2019-06-26 | 2019-06-26 | Self-walking hydraulic control system of unloading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210339663U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196851A (en) * | 2020-10-31 | 2021-01-08 | 龙合智能装备制造有限公司 | Wheel-side driving hydraulic system with load response |
| CN112551026A (en) * | 2020-12-24 | 2021-03-26 | 济宁经济开发区光宇工贸有限公司 | Remote control type hydraulic unloading platform steering device |
| CN113184574A (en) * | 2021-04-22 | 2021-07-30 | 济宁经济开发区光宇工贸有限公司 | Bilateral hydraulic cylinder support remotely-controllable lifting wheel suitable for self-walking hydraulic unloading platform |
-
2019
- 2019-06-26 CN CN201920979634.4U patent/CN210339663U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196851A (en) * | 2020-10-31 | 2021-01-08 | 龙合智能装备制造有限公司 | Wheel-side driving hydraulic system with load response |
| CN112551026A (en) * | 2020-12-24 | 2021-03-26 | 济宁经济开发区光宇工贸有限公司 | Remote control type hydraulic unloading platform steering device |
| CN113184574A (en) * | 2021-04-22 | 2021-07-30 | 济宁经济开发区光宇工贸有限公司 | Bilateral hydraulic cylinder support remotely-controllable lifting wheel suitable for self-walking hydraulic unloading platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210339663U (en) | Self-walking hydraulic control system of unloading machine | |
| CN102372025B (en) | Electric control closed type hydraulic steering system, control method and vehicle having system | |
| CN104011403B (en) | There is the closed-loop hydraulic system that power regulates | |
| CN103527774B (en) | The traveling control device of working truck | |
| CN103273843B (en) | Self propelled harvester hydraulic pressure time sharing drive system | |
| US20210016648A1 (en) | Telehandler with improved stabilisers | |
| CN104221517A (en) | Hydraulic-drive multifunctional orchard operation machine | |
| CN105329096A (en) | Hydraulic auxiliary driving system and engineering machine vehicle | |
| US7845458B2 (en) | Control system for frame-steering of a vehicle and method for controlling two steering cylinders in a frame-steered vehicle | |
| CN113460179A (en) | Agricultural general mobile platform capable of rapidly switching wheel and track | |
| CN113669332B (en) | Hydraulic electric control integrated control device based on waterlogging drainage vehicle | |
| US7584941B2 (en) | Method and apparatus for operating an implement for a machine | |
| CN204532652U (en) | Drive system and there is the self-propelled type building machinery of drive system | |
| CN105723843A (en) | Multifunctional wheeled orchard working vehicle | |
| CN216787283U (en) | Four-wheel motor driving system of skid steer loader | |
| CN206485591U (en) | Folding type static pressure bomb truck | |
| CN203078313U (en) | Electro-hydraulic combination driving system of rice transplanter | |
| EP3714109B1 (en) | A drive system for a working machine and a method for controlling the drive system | |
| CN213861857U (en) | Automatically controlled running gear of crawler tractor | |
| CN216787284U (en) | Electric skid-steer loader based on servo hydraulic pump | |
| CN2934769Y (en) | Walking hydraulic driving device | |
| CN205454451U (en) | Multi -functional wheeled orchard operation car | |
| CN217672026U (en) | Underwater propulsion system of double-body crawler type all-terrain vehicle | |
| RU2815179C2 (en) | Telescopic loader with improved stabilizers | |
| US11933024B2 (en) | System and method for controlling pump operating speed range of an electric work vehicle based on hydraulic fluid pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |