CN103802629B - A kind of lateral wheel is apart from the chassis all adjustable with the ground Clearance and control method - Google Patents
A kind of lateral wheel is apart from the chassis all adjustable with the ground Clearance and control method Download PDFInfo
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- CN103802629B CN103802629B CN201310740233.0A CN201310740233A CN103802629B CN 103802629 B CN103802629 B CN 103802629B CN 201310740233 A CN201310740233 A CN 201310740233A CN 103802629 B CN103802629 B CN 103802629B
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Abstract
The invention discloses a kind of lateral wheel apart from the implement porter all adjustable with the ground Clearance.Implement porter by vehicle frame, propons, back axle, power system, gap control system, lateral adjustments wheelspan system, steadily regulator control system form.Power system comprises driving engine, power-transfer clutch, pumping plant, HM Hydraulic Motor, apportioning valve etc.; Ground gap control system comprise controller, servovalve, gap regulator solution cylinder pressure etc., controller regulates four ground gap regulator solution cylinder pressure synchronization liftings to change the chassis ground Clearances by servovalve; Lateral wheel comprises servovalve, controller, wheelspan regulator solution cylinder pressure etc. apart from control system, and under command of a controller, piston rod, drives the motion of bridge axle connector by connecting flange, promote wheel transverse shifting, regulate the lateral wheel distance on chassis hydraulic actuating cylinder; The not stationary signal of the propons that steady regulator control system gathers according to gyroscope, back axle, controls the flow of four ground gap regulator solution cylinder pressures, automatically the balance and stability on adjustment chassis respectively by servovalve.
Description
Technical field:
The present invention relates to a kind of high-clearance self-propelled chassis, particularly a kind of lateral wheel is apart from the high-adaptability implement porter all adjustable with the ground Clearance.
Technical background:
In order to be suitable for the field management requirement of farmland height bar, different line width crop, often need high-clearance and the walking chassis of horizontal Track width can be adjusted, and existing high-clearance walking chassis many employings mechanical drive, transmission stability is low, from great, ground Clearance is fixed, lateral wheel is apart from unadjustable, Applicable scope is little, thus in order to the farm work requirement of multiple ground Clearance and different line width of being suitable for Different Crop height, development ground gap is significant with all adjustable walking chassis of lateral wheel distance.
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 job requirements chassis changes ground gap, regulate the synchronization lifting of four ground gap regulator solution cylinder pressures by controller control servovalve and change the chassis ground Clearance.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.Chassis can be caused to tilt when field level is not steady, reduce efficiency and the quality of spraying machine spraying, even damage spray boom.In addition, the lateral wheel on above-mentioned chassis, apart from unadjustable, can not adapt to the different row spacing requirements of Different Crop, and for this reason, development can regulate the chassis of lateral wheel distance necessary.
Summary of the invention:
The object of the invention, in order to adapt to the farm work requirement of line width different from crop of multiple ground Clearance, reduces the damage to crop, improves the stability advanced in chassis, designs a kind of lateral wheel apart from the high-adaptability implement porter all adjustable with the ground Clearance.
In order to achieve the above object, the technical scheme that the present invention takes: a kind of lateral wheel is apart from the high-clearance self-propelled chassis all adjustable with the ground Clearance, comprise vehicle frame, front axle, rear axle, operator's compartment, liftable ladder, lifting hydraulic cylinder, power system, ground gap control system, lateral wheel are apart from control system, balance regulation system.
Power system comprises driving engine, power-transfer clutch, pumping plant, hydraulic steering gear, HM Hydraulic Motor, apportioning valve.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 attaching parts respectively, and motor attaching parts 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.
Operator's compartment is connected on vehicle frame, and 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 and front axle contiguous block consolidation, front axle is hinged by front axle contiguous block and vehicle frame, 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 by welding respectively connection front axle crossbeam.
Rear axle comprises: rear axle crossbeam, rear axle vertical axes, rear axle contiguous block, rear axle damper spring steel plate.Rear axle contiguous block and rear axle crossbeam affixed.Rear axle by rear axle contiguous block and vehicle frame hinged.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 liftable ladder and front axle respectively by hinged.
Lateral wheel comprises servovalve, controller, wheelspan regulator solution cylinder pressure apart from control system, forward and backward vehicle bridge crossbeam is built with wheelspan regulator solution cylinder pressure, piston rod, connecting flange, wheelspan adjusting slider, the piston rod of wheelspan regulator solution cylinder pressure is affixed with the bridge shaft coupling piece be arranged on wheelspan adjusting slider by connecting flange, hydraulic actuating cylinder under command of a controller, piston rod cross travel, drive the motion of bridge shaft coupling piece to regulate the transverse shifting of wheel by connecting flange again, regulate the lateral wheel distance on chassis.
Ground gap control system is by controller, and servovalve, four ground gap regulator solution cylinder pressures form.Gap regulator solution cylinder pressure one end, four ground connects front axle vertical axes, rear axle vertical axes respectively by screw thread bush.The other end is connected with the bridge shaft coupling piece of forward and backward vehicle bridge respectively; When chassis needs to change ground gap operation, regulate the synchronization lifting of four ground gap regulator solution cylinder pressures by controller control servovalve and change the chassis ground Clearance.
Steady regulator control system comprise the gyroscope be installed in front axle and rear axle, servovalve, controller, gap regulator solution cylinder pressure; 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 lifting of four ground gap regulator solution cylinder pressures 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 front axle gathered by gyroscope and the steady information of rear axle, controller controls servovalve and comes to regulate in real time respectively four ground gap regulator solution cylinder pressures be elevated and change the attitude of forward and backward vehicle bridge, the steady adjustment chassis ground Clearance, overcome field level not steady, ensure the pulsation-free crossing ability of advancing on chassis, be suitable for the farm work requirement of multiple ground Clearance.Also control the flexible of wheelspan regulator solution cylinder pressure in vehicle bridge crossbeam by controller and regulate wheel transverse pitch, adapt to various crop, same crop different spacings to the requirement of Track width.
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 vehicle bridge
Fig. 4 is the axonometric drawing of vehicle bridge
Fig. 5 is the axonometric drawing of back axle
Fig. 6 is working-flow figure
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-wheelspan regulator solution cylinder pressure; 27-piston rod; 28-connecting flange; 29-wheelspan adjusting slider; 30-bridge shaft coupling piece; 31-ground gap regulator solution cylinder pressure; 32-screw thread bush; 33-vehicle bridge vertical axes; 34-motor attaching parts; 35-apportioning valve; 36-HM Hydraulic Motor; 37-rear axle contiguous block.
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 10 is articulated with on vehicle frame 13 by rear axle contiguous block 37.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.
Pumping plant 20 drives HM Hydraulic Motor 36, and HM Hydraulic Motor 36 drives connected forward and backward vehicle wheel rotation.Hydraulic steering gear 19 is regulated and control ratio valve 35 opening by steering wheel rotation 18, thus the discharge capacity of regulator solution pressure motor 36, change the rotating speed of four wheels, realizing four-wheel differentia turns to, and effectively reduces turn radius, turns to more steady.
Four HM Hydraulic Motor 36 are articulated with motor attaching parts 34 respectively, and motor attaching parts 34 is bolted front axle vertical axes 33 and back axle vertical axes 33, four apportioning valves 35 are connected to four HM Hydraulic Motor 36 by bolt.
Front axle damper spring 9 connecting vehicle frame 13 and front axle 6, the left and right anticollison block 22 of front axle is fixed on front axle crossbeam 25 respectively, as being welded to front axle crossbeam 25.Rear axle damper spring steel plate 11 by Bolt Connection on rear axle contiguous block 37 with vehicle frame 13.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.
One end of four ground gap regulator solution cylinder pressures 31 is connected in front axle vertical axes 33 respectively by screw thread bush 32 and rear axle vertical axes 33, four ground gap regulator solution cylinder pressure 31 other end is welded in bridge shaft coupling piece 30 respectively.When chassis of walking needs in different ground Clearance operation, control servovalve 17 by controller 16 and regulate four ground gap regulator solution cylinder pressure 31 synchronization liftings and change the chassis ground Clearance.
Gyroscope 12 is 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 four ground gap regulator solution cylinder pressures 31 by servovalve 17 and regulates the steady of tandem axle and chassis in real time.
Forward and backward vehicle bridge crossbeam 25 is built with wheelspan regulator solution cylinder pressure 26, piston rod 27, connecting flange 28, wheelspan adjusting slider 29, hydraulic actuating cylinder 26 is under the instruction of controller 16, piston rod 27, bridge shaft coupling piece 30 cross motion is driven by connecting flange 28, and then promote wheel 8 transverse shifting, regulate the lateral wheel distance between the front-wheel of left and right, between the trailing wheel of left and right respectively.Wheelspan adjusting slider 29 laterally can slide left and right in forward and backward vehicle bridge crossbeam 25, and the transverse direction realizing wheelspan for supporting forward and backward vehicle bridge bridge shaft coupling piece 30 is adjusted wide, and ensures the strength and stiffness of forward and backward vehicle bridge bridge shaft coupling piece 30.
Claims (7)
1. lateral wheel is apart from a chassis all adjustable with the ground Clearance, comprise lifting hydraulic cylinder (4), front axle (6), wheel (8), front axle damper spring (9), rear axle (10), rear axle damper spring steel plate (11), vehicle frame (13), gap control system, lateral wheel apart from control system, power system, front axle (6) is provided with front axle attaching parts (23), front axle crossbeam, front axle damper spring (9), front axle (6) is hinged by front axle attaching parts (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 rear axle contiguous block (37), rear axle crossbeam, rear axle damper spring steel plate (11), rear axle (10) is hinged by back axle contiguous block (37) 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: lateral wheel comprises servovalve (17) apart from control system, controller (16), wheelspan regulator solution cylinder pressure (26), before, rear axle crossbeam is built with wheelspan regulator solution cylinder pressure (26), its piston rod (27) is affixed with the bridge shaft coupling piece (30) be arranged on wheelspan adjusting slider (29) by connecting flange (28), controller (16) regulates wheel (8) transverse shifting be connected with bridge shaft coupling piece (30) by the cross travel of servovalve (17) adjusting piston bar (27), regulate the lateral wheel distance on chassis.
2. lateral wheel according to claim 1 is apart from chassis all adjustable with the ground Clearance, it is characterized in that: described ground gap control system comprise servovalve (17), controller (16), gap regulator solution cylinder pressure (31); Gap regulator solution cylinder pressure (31) one end, four ground connects forward and backward vehicle bridge vertical axes respectively, the other end is connected with the bridge shaft coupling piece (30) of forward and backward vehicle bridge respectively, and controller (16) regulates four ground gap regulator solution cylinder pressure (31) synchronization liftings by servovalve (17) and changes the chassis ground Clearance.
3. lateral wheel according to claim 1 and 2 is apart from chassis all adjustable with the ground Clearance, it is characterized in that: also comprise steady regulator control system, steady regulator control system is by gyroscope (12), controller (16), servovalve (17), four ground gap regulator solution cylinder pressure (31) compositions, 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), before acting on the adjustment in real time of four ground gap regulator solution cylinder pressure (31) respectively by servovalve (17), rear axle and chassis steady.
4. lateral wheel according to claim 1 is apart from chassis all adjustable with the ground Clearance, it is characterized in that: described power system comprises power-transfer clutch (14), driving engine (15), pumping plant (20), HM Hydraulic Motor (36), apportioning valve (35); Driving engine (15) connects with vehicle frame (13); Four HM Hydraulic Motor (36) are hinged with four motor attaching partss (34) respectively, four motor attaching partss (34) are connected with forward and backward vehicle bridge vertical axes (33) respectively, and four apportioning valves (35) are connected to four HM Hydraulic Motor (36).
5., according to the lateral wheel distance chassis all adjustable with the ground Clearance one of claim 1,2,4 Suo Shu, it is characterized in that: described hydraulic actuating cylinder can be replaced by air cylinder.
6. lateral wheel according to claim 3 is apart from chassis all adjustable with the ground Clearance, it is characterized in that: described hydraulic actuating cylinder can be replaced by air cylinder.
7. a kind of lateral wheel, apart from the control method with ground Clearance all adjustable chassis, is characterized in that comprising the following steps according to claim 1:
Step one, according to required chassis lateral wheel apart from requiring, lateral wheel is controlled apart from control system by the flow of controller (16) to servovalve (17), the cross travel of four wheelspan regulator solution cylinder pressures (26) is regulated to change chassis lateral wheel distance, to meet necessary requirement;
Step 2, according to required chassis ground Clearance requirement, ground gap control system is controlled by the flow of controller (16) to servovalve (17), regulates four ground gap regulator solution cylinder pressure (31) synchronization liftings and changes the chassis ground Clearance to meet necessary requirement;
Step 3, gyroscope (12), in the traveling process of chassis, carries out Real-time Collection to the angle of inclination of front axle (6), rear axle (10) and vehicle frame (13);
Step 4, 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), goes out four ground gap regulator solution cylinder pressure (31) regulated quantity required separately by related algorithm real-time estimate;
Step 5, the real-time regulated quantity required separately according to four ground gap regulator solution cylinder pressure (31), servovalve (17) by hydraulic flow control action in ground gap regulator solution cylinder pressure (31), the inclination on tandem axle and chassis is regulated, to meet the stationarity requirement on chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740233.0A CN103802629B (en) | 2013-12-27 | 2013-12-27 | A kind of lateral wheel is apart from the chassis all adjustable with the ground Clearance and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740233.0A CN103802629B (en) | 2013-12-27 | 2013-12-27 | A kind of lateral wheel is apart from the chassis all adjustable with the ground Clearance and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103802629A CN103802629A (en) | 2014-05-21 |
| CN103802629B true CN103802629B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310740233.0A Expired - Fee Related CN103802629B (en) | 2013-12-27 | 2013-12-27 | A kind of lateral wheel is apart from the chassis all adjustable with the ground Clearance and control method |
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| CN (1) | CN103802629B (en) |
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