CN103802628B - A kind of wide cut ground Clearance adjustable base and control method - Google Patents
A kind of wide cut ground Clearance adjustable base and control method Download PDFInfo
- Publication number
- CN103802628B CN103802628B CN201310740614.9A CN201310740614A CN103802628B CN 103802628 B CN103802628 B CN 103802628B CN 201310740614 A CN201310740614 A CN 201310740614A CN 103802628 B CN103802628 B CN 103802628B
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- chassis
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- ground clearance
- front axle
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Abstract
The invention discloses a kind of wide cut ground Clearance adjustable base and steady control method thereof, adjustable base is made up of vehicle frame, propons, back axle, power system, swingingly gap control system and steady regulator control system etc.Swingingly gap control system comprises controller, servovalve, oscillating motor etc.; Balance and stability regulator control system comprises the gyroscope, controller, servovalve, oscillating motor etc. that are installed on propons and back axle; Power system comprises driving engine, power-transfer clutch, pumping plant, HM Hydraulic Motor, apportioning valve, front vehicle wheel, rear wheel etc.; Controller controls servovalve and regulates the synchronization lifting of four oscillating motors and change the chassis ground Clearance reposefully, the ground Clearance on chassis even can be made to be less than radius of wheel, realize the super low ground space on chassis; The not stationary signal of the propons that trim controller gathers according to gyroscope, back axle, controls the flow of oscillating motor respectively by servovalve, automatically to adjust the balance and stability on chassis.
Description
Technical field:
The present invention relates to adjustable high-clearance self-propelled chassis of a kind of ground Clearance, particularly hydraulic-driven by the implement porter of hydraulic actuating cylinder oscillation adjustment ground Clearance.
Technical background:
Not only in order to be suitable for the field management requirement of farmland long-stalked crop, often needing high-clearance to walk chassis, but sometimes, the walking chassis of gap lower can be needed at crop different growing stage.And existing high-clearance walking chassis many employings mechanical drive, transmission stability is low, and from great, the ground Clearance is fixed, and Applicable scope is little, can not adapt to the requirement of crop different growing stage to differently gap walking chassis.Thus in order to be suitable for the farm work requirement of the multiple ground Clearance of Different Crop height, the high-clearance walking chassis that development ground gap is adjustable is significant.
Publication number is the Chinese patent " high-clearance self-propelled chassis that a kind of ground Clearance is adjustable " of CN103158480A, be provided with ground gap control system, by controller, servovalve, four ground gap regulator solution cylinder pressure compositions, when chassis needs to change ground gap operation, regulate the synchronization lifting of four ground gap regulator solution cylinder pressures to change the chassis ground Clearance by controller, control servovalve.But the lifting action of four ground gap regulator solution cylinder pressures acts in agreement all the time, adjustable height is consistent, and therefore, the smooth running on chassis is poor.When field level is not steady, chassis will be caused to tilt, reduce efficiency and the quality of spraying machine spraying, even damage spray boom.
In addition, only adopt lifting hydraulic cylinder to adjust the ground Clearance on walking chassis, its range of regulation is often very limited.
Summary of the invention:
The object of the invention, for being suitable for multiple ground Clearance and field smooth running job requirements, designs a kind of wide cut ground Clearance adjustable base.
For achieving the above object, the technical scheme that the present invention takes: a kind of wide cut ground Clearance adjustable base, comprise vehicle frame, front axle, rear axle, operator's compartment, liftable ladder, lifting hydraulic cylinder, power system, swingingly gap control system, steadily regulator control system.Power system comprises: driving engine, power-transfer clutch, pumping plant, hydraulic steering gear, HM Hydraulic Motor, apportioning valve.Operator's compartment is connected on vehicle frame, and driving engine, pumping plant are bolted on vehicle frame, and driving engine connects pumping plant by power-transfer clutch, and pumping plant is by driving four fluid motor-driven four vehicle wheel rotations.
Four apportioning valves are connected to four HM Hydraulic Motor by bolt, and HM Hydraulic Motor is articulated with motor contiguous block respectively, and motor contiguous block is connected to front axle vertical axes, rear axle vertical axes by bolt.Hydraulic steering gear closure dish, regulates hydraulic steering gear by steering wheel rotation and controls four apportioning valve openings, thus regulates the discharge capacity of four HM Hydraulic Motor, regulates the rotating speed of four wheels, realizes four-wheel differentia and turn to.
Front axle comprises: front axle crossbeam, front axle vertical axes, front axle contiguous block, the left and right anticollison block of front axle, front axle damping spring.Front axle crossbeam connects front axle contiguous block, and front axle damping spring is enclosed within the left and right anticollison block of front axle, and the left and right anticollison block of front axle is fixed on front axle crossbeam respectively, as being welded in front axle crossbeam.Front axle is articulated with on vehicle frame by front axle contiguous block.
Rear axle comprises: rear axle crossbeam, rear axle vertical axes, rear axle contiguous block, rear axle damper spring steel plate.Rear axle connects block welding rear axle crossbeam.Rear axle is articulated with on vehicle frame by rear axle contiguous block.Damper spring steel plate is bolted on rear axle contiguous block and vehicle frame.
Liftable ladder is articulated with on vehicle frame, and lifting hydraulic cylinder connects described liftable ladder and front axle respectively by hinged.
Swingingly gap control system comprises controller, servovalve, oscillating motor, forward and backward vehicle bridge crossbeam is built with four oscillating motors, oscillating motor under command of a controller, driver output axle drives bridge shaft coupling piece around output shaft axis rotation, to regulate the ground Clearance on chassis by connecting flange.
Oscillating motor and vehicle bridge crossbeam affixed, the one end of bridge shaft coupling piece be installed on bridge axle supporting seat connects with the output shaft of oscillating motor, and the other end connects with forward and backward vehicle bridge vertical axes; Controller regulates four oscillating motor synchronous axial system to change the ground Clearance on chassis by servovalve.
Steady regulator control system comprises the gyroscope, servovalve, controller, the oscillating motor that are installed in front axle and rear axle; In the operation process of chassis, the front axle gathered according to gyroscope and the angle, degree of dip etc. of rear axle steadily information, controller controls servovalve and regulates the pendulum angle of four oscillating motors to change the attitude of forward and backward vehicle bridge respectively in real time, thus ensures the stationarity of chassis walking.
The present invention has following technology beneficial effect: the steady information of the front axle that the present invention gathers by gyroscope and rear axle, controller controls servovalve and regulates four ground gap regulator solution cylinder pressures be elevated and change the attitude of forward and backward vehicle bridge respectively in real time, the steady adjustment chassis ground Clearance, overcome the not steady of field level, ensure that chassis farm work is steadily advanced, thus can be suitable for the multiple ground Clearance, pulsation-free farm work requirement of advancing.As when spraying operation, can prevent liquid from spilling and pollute, spray boom damage, keep the homogeneity of medicine liquid spray, improve dispenser quality and extend the spraying machine life-span etc.The present invention can meet the different ground Clearance requirements on chassis, and the ground Clearance on chassis even can be made to be less than radius of wheel, realizes the wide cut range regulation of chassis from low ground space to high-clearance, and then realizes the multifunctional usage on chassis.
Accompanying drawing illustrates:
Fig. 1 is axonometric drawing of the present invention
Fig. 2 is top view of the present invention
Fig. 3 is the front elevation of propons
Fig. 4 is the axonometric drawing of propons
Fig. 5 is the axonometric drawing of back axle
Fig. 6 is oscillating motor structural representation
Fig. 7 is that ground gap regulates schematic diagram
In figure: 1-operator's compartment; 2-handrail; 3-propons left wheel; 4-lifting hydraulic cylinder; 5-lifting ladder; 6-front axle; The right wheel of 7-propons; 8-wheel; 9-front axle damper spring; 10-rear axle; 11-rear axle damper spring steel plate; 12-gyroscope; 13-vehicle frame; 14-power-transfer clutch; 15-driving engine; 16-controller; 17-servovalve; 18-bearing circle; 19-hydraulic steering gear; 20-pumping plant; 21-hydraulic reservoir; 22-anticollison block; 23-front axle contiguous block; 24-bolt; 25-vehicle bridge crossbeam; 26-oscillating motor; 27-output shaft; 28-connecting flange; 29-bridge axle supporting seat; 30-bridge shaft coupling piece; 31-vehicle bridge vertical axes; 32-motor attaching parts; 33-apportioning valve; 34-HM Hydraulic Motor; 35-back axle fitting; 36-blade; 37-tilting cylinder block; 38-dividing plate; 39-cover plate; 40-sealing member.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is described further.
Operator's compartment 1 is connected on vehicle frame 13, and front axle 6 is articulated with on vehicle frame 13 by front axle contiguous block 23, and rear axle 9 is articulated with on vehicle frame 13 by back axle fitting 35.
Liftable ladder 5 realizes the lifting of ladder 5 by the motion of lifting hydraulic cylinder 4, and liftable ladder 5 is by being articulated and connected on vehicle frame 13, and the hinged liftable ladder 5 of lifting hydraulic cylinder 4 and front axle 6, handrail 2 ensures the safety that chaufeur is got on or off the bus.
Pumping plant 20, driving engine 15 is bolted on vehicle frame 13, and driving engine 15 connects pumping plant 20 by power-transfer clutch 14.
Front axle damper spring 9 connecting vehicle frame 13 and front axle 6, the left and right anticollison block of front axle is connected on front axle crossbeam 25 respectively by welding.Rear axle damper spring steel plate 10 is bolted on back axle fitting and vehicle frame.Front axle damper spring 9, rear axle damper spring steel plate 11 can reduce the vehicle body vibration that produces and impact because ground excitation, improve riding stability and the driver comfort on chassis of walking.
Four HM Hydraulic Motor 34 are articulated with motor attaching parts 32 respectively, and motor attaching parts 32 is bolted forward and backward vehicle bridge bridge vertical axes 31, four apportioning valves 33 and is connected to four HM Hydraulic Motor 34 by bolt.
Pumping plant 20 drives HM Hydraulic Motor 34, and HM Hydraulic Motor 34 drives connected forward and backward vehicle wheel rotation.Hydraulic steering gear 19 is regulated and control ratio valve 33 opening by steering wheel rotation 18, thus the discharge capacity of regulator solution pressure motor 34, change the rotating speed of four wheels, realizing four-wheel differentia turns to, and effectively reduces turn radius, turns to more steady.
Forward and backward vehicle bridge crossbeam 25 is built with oscillating motor 26, piston rod 27, connecting flange 28, bridge axle supporting seat 29, oscillating motor 26 is under the instruction of controller 16, drive vane 36 drives output shaft 27 around output shaft 27 axis rotation, output shaft 27 drives bridge shaft coupling piece 30 also around output shaft 27 axis rotation by connecting flange 28, one end of bridge shaft coupling piece 30 connects with the output shaft 27 of oscillating motor 26, the other end connects with forward and backward vehicle bridge vertical axes 31, then forward and backward vehicle bridge swings thereupon in perpendicular, and the ground Clearance on chassis is adjusted.When pendulum angle is larger, chassis height can lower than wheel height, and the chassis ground Clearance is transitioned into low ground space from height gap, realizes wide amplitude adjusted.
Gyroscope 12 is installed in front axle 6 and rear axle 10, the steady information of the front axle 6 that controller 16 gathers according to gyroscope 12 and rear axle 10, acts on oscillating motor 26 regulate the steady of tandem axle and chassis by servovalve 17.
Claims (6)
1. a wide cut ground Clearance adjustable base, comprises lifting hydraulic cylinder (4), front axle (6), wheel (8), rear axle (10), vehicle frame (13), swingingly gap control system, power system; Front axle (6) is provided with front axle attaching parts (23), vehicle bridge crossbeam (25), front axle damper spring (9), front axle (6) is hinged by front axle contiguous block (23) and vehicle frame (13), is provided with front axle damper spring (9) in the middle of front axle (6) and vehicle frame (13); Rear axle (10) is provided with back axle fitting (35), vehicle bridge crossbeam (25), rear axle damper spring steel plate (11), rear axle (10) is hinged by back axle attaching parts (35) and vehicle frame (13), is provided with rear axle damper spring steel plate (11) in the middle of rear axle (10) and vehicle frame (13); It is characterized in that: swingingly gap control system comprises controller (16), servovalve (17), oscillating motor (26), forward and backward vehicle bridge crossbeam (25) is built with four oscillating motors (26), oscillating motor (26) is under the instruction of controller (16), driver output axle (27) drives bridge shaft coupling piece (30) around output shaft (27) axis rotation, to regulate the ground Clearance on chassis by connecting flange (28).
2. a kind of wide cut ground Clearance adjustable base according to claim 1, it is characterized in that: oscillating motor (26) is affixed with vehicle bridge crossbeam (25), the output shaft (27) of one end and oscillating motor (26) of being installed on the bridge shaft coupling piece (30) on bridge axle supporting seat (29) connects, and the other end connects with forward and backward vehicle bridge vertical axes (31); Controller (16) regulates four oscillating motor (26) synchronous axial system to change the ground Clearance on chassis by servovalve (17).
3. a kind of wide cut ground Clearance adjustable base according to claim 1, it is characterized in that: also comprise steady regulator control system, steady regulator control system comprises the gyroscope (12), servovalve (17), controller (16), the oscillating motor (26) that are installed in front axle (6) and rear axle (10); In the operation process of chassis, the steady information of the front axle (6) that controller (16) gathers according to gyroscope (12) and rear axle (10), acts on oscillating motor (26) by servovalve (17) and regulates the steady of tandem axle and chassis in real time.
4. a kind of wide cut ground Clearance adjustable base according to claim 1, is characterized in that: described power system comprises power-transfer clutch (14), driving engine (15), pumping plant (20), HM Hydraulic Motor (34), apportioning valve (33); Driving engine (15) connects with vehicle frame (13); HM Hydraulic Motor (34) is hinged with four motor attaching partss (32) respectively, and four motor attaching partss (32) are connected with forward and backward vehicle bridge vertical axes (31) respectively; Four apportioning valves (33) are connected to four HM Hydraulic Motor (34).
5., according to a kind of wide cut ground Clearance adjustable base one of claim 1-4 Suo Shu, it is characterized in that: described hydraulic actuating cylinder can be replaced by air cylinder.
6. the control method of a kind of wide cut ground Clearance adjustable base according to claim 3, is characterized in that comprising the following steps:
Step one, according to required chassis ground Clearance requirement, ground gap control system is controlled by the flow of controller (16) to servovalve (17), regulates four oscillating motor (26) synchronous axial system to change the chassis ground Clearance to meet necessary requirement;
Step 2, in the traveling process of chassis, Real-time Collection is carried out at the angle of inclination of gyroscope (12) to front axle (6), rear axle (10) and vehicle frame (13);
Step 3, the angle of inclination information of the front axle (6) that controller (16) gathers according to gyroscope (12), rear axle (10) and vehicle frame (13), real-time estimate goes out four oscillating motors (26) regulated quantity required separately;
Step 4, the real-time regulated quantity required separately according to four oscillating motors (26), servovalve (17), is regulated in oscillating motor (26) the inclination on tandem axle and chassis by hydraulic flow control action, to meet the stationarity requirement on chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740614.9A CN103802628B (en) | 2013-12-27 | 2013-12-27 | A kind of wide cut ground Clearance adjustable base and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740614.9A CN103802628B (en) | 2013-12-27 | 2013-12-27 | A kind of wide cut ground Clearance adjustable base and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103802628A CN103802628A (en) | 2014-05-21 |
| CN103802628B true CN103802628B (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310740614.9A Expired - Fee Related CN103802628B (en) | 2013-12-27 | 2013-12-27 | A kind of wide cut ground Clearance adjustable base and control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN103802628B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554228B (en) * | 2017-10-19 | 2020-05-15 | 刘华英 | Adjustable stable angle, engineering machine tool chassis that can extend |
| CN117492476B (en) * | 2024-01-03 | 2024-03-19 | 四川公路桥梁建设集团有限公司 | Automatic attitude adjustment system and method for beam-transporting gun carriage |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5058017A (en) * | 1987-11-05 | 1991-10-15 | Hitachi, Ltd. | System for control of vehicle suspension |
| CN2581284Y (en) * | 2002-10-16 | 2003-10-22 | 苑凤山 | Wheel-type tractor with adjustable gap to land |
| CN203293849U (en) * | 2013-03-25 | 2013-11-20 | 江苏大学 | High-ground-clearance self-propelled chassis with adjustable ground clearance |
-
2013
- 2013-12-27 CN CN201310740614.9A patent/CN103802628B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5058017A (en) * | 1987-11-05 | 1991-10-15 | Hitachi, Ltd. | System for control of vehicle suspension |
| CN2581284Y (en) * | 2002-10-16 | 2003-10-22 | 苑凤山 | Wheel-type tractor with adjustable gap to land |
| CN203293849U (en) * | 2013-03-25 | 2013-11-20 | 江苏大学 | High-ground-clearance self-propelled chassis with adjustable ground clearance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103802628A (en) | 2014-05-21 |
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Granted publication date: 20160106 Termination date: 20201227 |