CN103818212A - Self-propelled chassis with stably adjustable ground clearance and adjusting method - Google Patents
Self-propelled chassis with stably adjustable ground clearance and adjusting method Download PDFInfo
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- CN103818212A CN103818212A CN201310740241.5A CN201310740241A CN103818212A CN 103818212 A CN103818212 A CN 103818212A CN 201310740241 A CN201310740241 A CN 201310740241A CN 103818212 A CN103818212 A CN 103818212A
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Abstract
The invention discloses a high-ground-clearance self-propelled chassis with a stably adjustable ground clearance and a balance and stability controlling method for the high-ground-clearance self-propelled chassis. The self-propelled chassis comprises a frame, a front axle, a rear axle, a power system, a ground clearance adjusting system, a stability adjusting and controlling system and the like, wherein the power system comprises an engine, a clutch, a pump station, a hydraulic motor, a proportional valve, front wheels, rear wheels and the like; the ground clearance adjusting system comprises a controller, a servo valve, ground clearance adjusting hydraulic cylinders and the like; synchronous ascending and synchronous descending of the four ground clearance adjusting hydraulic cylinders are adjusted by the controller through the servo valve so as to change the ground clearance of the chassis; the stability adjusting and controlling system comprises a gyroscope; the controller controls the flow of the four ground clearance adjusting hydraulic cylinders through the servo valve according to unstable signals, which are acquired by the gyroscope, of the front axle and the rear axle, so that the balance and the stability of the chassis are automatically adjusted; the engine is connected with the pump station through the clutch; and the pump station drives the hydraulic motor so as to drive the front wheels and the rear wheels to rotate.
Description
Technical field:
The present invention relates to adjustable high-clearance self-propelled chassis of a kind of ground Clearance, particularly gyroscope detects the implement porter of steady information and then hydraulic actuating cylinder adjusting ground Clearance.
Technical background:
In order to be suitable for the field management requirement of farmland long-stalked crop, often need high-clearance walking chassis, and existing high-clearance walking chassis adopts mechanical drive more, transmission stability is low, from great, the ground Clearance is fixed, and Applicable scope is little, thereby in order to be suitable for the farm work requirement of 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, in the time that chassis need to change ground gap operation, can 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.In the time that ground, field is not steady, will cause chassis to tilt, reduce efficiency and the quality of spraying machine spraying, even damage spray boom.
Summary of the invention:
The object of the invention, for being suitable for multiple ground Clearance and field smooth running job requirements, designs steadily adjustable high-clearance self-propelled chassis of a kind of ground Clearance.
For achieving the above object, the technical scheme that the present invention takes: a kind of ground Clearance is adjustable high-clearance self-propelled chassis steadily, comprises vehicle frame, front axle, rear vehicle bridge, operator's compartment, liftable ladder, lifting hydraulic cylinder, power system, ground gap control system, steady regulator control system.Power system comprises: driving engine, power-transfer clutch, pumping plant, hydraulic steering gear, HM Hydraulic Motor, apportioning valve, wheel.Operator's compartment is connected on vehicle frame, driving engine, and pumping plant is bolted on vehicle frame, and driving engine connects pumping plant by power-transfer clutch, and pumping plant is by driving four vehicle wheel rotations of four fluid motor-driven.
Four apportioning valves are connected to four HM Hydraulic Motor by bolt, and HM Hydraulic Motor is articulated with respectively motor contiguous block, and motor contiguous block is connected to front axle vertical axes, rear vehicle bridge vertical axes by bolt.Hydraulic steering gear closure dish, regulates hydraulic steering gear to control four apportioning valve openings by steering wheel rotation, thereby regulates the discharge capacity of four HM Hydraulic Motor, regulates the rotating speed of four wheels, realizes four-wheel differentia and turns to.
Front axle comprises: left and right swing arm, front axle vertical axes, front axle contiguous block, the left and right anticollison block of front axle, front axle damping spring.Left and right swing arm is by the front axle contiguous block that is articulated and connected, and front axle damping spring is enclosed within on the left and right anticollison block of front axle, and the left and right anticollison block of front axle connects respectively in left and right swing arm by welding.Front axle is articulated with on described vehicle frame by front axle contiguous block.Left and right swing arm can be rotated around front axle contiguous block, and the left and right wheel that front axle connects is beated separately, thereby reduces the vibrations of vehicle body.
Rear vehicle bridge comprises: rear vehicle bridge tween drive shaft, rear vehicle bridge vertical axes, rear car bridge contiguous block, rear vehicle bridge damper spring steel plate.Rear car bridging connects vehicle bridge tween drive shaft after block welding.Rear vehicle bridge is articulated with on vehicle frame by rear car bridge contiguous block.Damper spring steel plate is bolted on rear car bridge contiguous block and vehicle frame.
Liftable ladder is articulated with on vehicle frame, and lifting hydraulic cylinder is by hinged liftable ladder and the front axle of connecting respectively.
Ground gap control system is made up of controller, servovalve, four ground gap regulator solution cylinder pressures.Gap regulator solution cylinder pressure one end, four ground connects respectively front axle vertical axes, rear vehicle bridge vertical axes by screw thread bush, and the other end is weldingly connected with the tween drive shaft of the left swing arm of front axle, right swing arm and rear vehicle bridge respectively.In the time that chassis need to change ground gap operation, can regulate the synchronization lifting of four ground gap regulator solution cylinder pressures to change the chassis ground Clearance by controller control servovalve.
Steadily regulator control system comprises gyroscope, in the operation process of chassis, the front axle that can gather according to gyroscope and steadily information of angle, the degree of dip etc. of rear vehicle bridge, controller control servovalve comes to regulate in real time respectively the lifting of four ground gap regulator solution cylinder pressures to change the attitude of forward and backward vehicle bridge, thereby guarantees the stationarity of chassis walking.
The present invention has following technology beneficial effect: the steady information of the front axle that the present invention can gather by gyroscope and rear vehicle bridge, controller control servovalve regulates in real time respectively four ground gap regulator solution cylinder pressure liftings and changes the attitude of forward and backward vehicle bridge, steadily adjust the chassis ground Clearance, overcome the not steady of ground, field, guarantee chassis farm work steadily advance, thereby can be suitable for the multiple ground Clearance, the pulsation-free farm work requirement of advancing.As when the spraying operation, can prevent that liquid from spilling and pollution, spray boom damage, keep the homogeneity of medicine liquid spray, improve dispenser quality and extend the spraying machine life-span etc.
Accompanying drawing explanation:
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 Fig. 3
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 vehicle bridge; 11-rear vehicle bridge 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-left swing arm; 23-front axle contiguous block; 24-right swing arm; The left and right anticollison block of 25-front axle; 26-ground gap regulator solution cylinder pressure; 27-screw thread bush; 28-front axle vertical axes; 29-motor contiguous block; 30-apportioning valve; 31-HM Hydraulic Motor; 32-lifting hydraulic cylinder hinged block; 33-rear car bridge contiguous block; 34-rear vehicle bridge tween drive shaft; 35-rear vehicle bridge vertical axes.
The specific embodiment:
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 vehicle bridge 10 is articulated with on vehicle frame 13 by rear car bridge contiguous block 33.Liftable ladder 5 is realized the lifting of ladder 5 by the motion of lifting hydraulic cylinder 4, liftable ladder 5 is by being articulated and connected on vehicle frame 13, the hinged liftable ladder 5 of lifting hydraulic cylinder 4 and front axle 6, and handrail 2 guarantees the safety that chaufeur is got on or off the bus.
One end of four ground gap regulator solution cylinder pressures 26 connects respectively front axle vertical axes 28 by screw thread bush 27 and 35, four ground gap regulator solution cylinder pressure other ends of rear vehicle bridge vertical axes are welded in respectively left swing arm 22, right swing arm 24 and back axle tween drive shaft 34.In the time that walking chassis need to be in different ground Clearance operation, can control servovalve 17 by controller 16 and regulate four ground gap regulator solution cylinder pressure 26 synchronization liftings to change the chassis ground Clearance.
Four HM Hydraulic Motor 31 are articulated with respectively motor contiguous block 29, and motor contiguous block 29 is bolted front axle bridge vertical axes 28 and 35, four apportioning valves 30 of back axle vertical axes are connected to four HM Hydraulic Motor 31 by bolt.
Gyroscope 12 is installed in front axle 6 and rear vehicle bridge 10, and the front axle 6 that controller 16 gathers according to gyroscope 12 and the steady information of rear vehicle bridge 10 act on ground gap regulator solution cylinder pressure 26 by servovalve 17 and regulates the steady of front and back vehicle bridge and chassis.
Claims (5)
1. a steadily adjustable chassis of ground Clearance, comprise lifting hydraulic cylinder (4), front axle (6), wheel (8), rear vehicle bridge (10), vehicle frame (13), gap control system, power system, steady regulator control system; Front axle (6) is provided with left swing arm (22), right swing arm (24), front axle contiguous block (23), front axle damper spring (9), front axle (6) is hinged by front axle contiguous block (23) and vehicle frame (13), and front axle damper spring (9) connects with front axle (6) and vehicle frame (13); Rear vehicle bridge (10) is provided with rear vehicle bridge tween drive shaft (34), rear car bridge contiguous block (33), rear vehicle bridge vertical axes (35), rear vehicle bridge damper spring steel plate (11), rear vehicle bridge (10) is hinged by back axle contiguous block (33) and vehicle frame (13), and rear vehicle bridge damper spring steel plate (11) connects with rear vehicle bridge (10) and vehicle frame (13); Ground gap control system is made up of controller (16), servovalve (17), four ground gap regulator solution cylinder pressures (26), and controller (16) regulates four ground gap regulator solution cylinder pressure (26) synchronization liftings to change the chassis ground Clearance by servovalve (17); It is characterized in that: steadily regulator control system comprises gyroscope (12), it is installed in front axle (6) and rear vehicle bridge (10), controller (16), according to the front axle (6) of gyroscope (12) collection and the steady information of rear vehicle bridge (10), regulates respectively four ground gap regulator solution cylinder pressure (26) liftings to regulate the steady of forward and backward vehicle bridge and chassis by servovalve (17) in real time.
2. steadily adjustable chassis of ground Clearance according to claim 1, it is characterized in that: one end of ground gap regulator solution cylinder pressure (26) connects respectively front axle vertical axes (28) and rear vehicle bridge vertical axes (35) by screw thread bush (27), the other end is fixed with left swing arm (22), right swing arm (24) and rear vehicle bridge tween drive shaft (34) respectively.
3. steadily adjustable chassis of ground Clearance 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 (31), apportioning valve (30); Driving engine (15) connects with vehicle frame (13); Four HM Hydraulic Motor (31) are hinged with four motor contiguous blocks (29) respectively, four motor contiguous blocks (29) connect with front axle vertical axes (28), rear vehicle bridge vertical axes (35) respectively, and four apportioning valves (30) are connected to four HM Hydraulic Motor (31).
4. according to steadily adjustable chassis of the ground Clearance one of claim 1-3 Suo Shu, it is characterized in that: described hydraulic actuating cylinder can be replaced by air cylinder.
5. a kind of steady control method of steady adjustable base of ground Clearance according to claim 1, is characterized in that comprising the following steps:
Step 1, according to required chassis ground Clearance requirement, ground gap control system is controlled the flow of servovalve (17) by controller (16), gap regulator solution cylinder pressure (26) synchronization liftings that regulate four and change the chassis ground Clearance to meet necessary requirement;
Step 2, gyroscope (12), in the traveling process of chassis, carries out Real-time Collection to the angle of inclination of front axle (6), rear vehicle bridge (10) and vehicle frame (13);
Step 3, the angle of inclination information of front axle (6), rear vehicle bridge (10) and vehicle frame (13) that controller (16) gathers according to gyroscope (12), real-time estimate goes out four ground gap regulator solution cylinder pressures (26) required regulated quantity separately;
Step 4, according to four ground gap regulator solution cylinder pressures (26) required real-time regulated quantity separately, servovalve (17) passes through hydraulic flow control action in ground gap regulator solution cylinder pressure (26), inclination to front and back vehicle bridge and chassis regulates, to meet the stationarity requirement on chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740241.5A CN103818212B (en) | 2013-12-27 | 2013-12-27 | A kind of road clearance is adjustable implement porter and control method steadily |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740241.5A CN103818212B (en) | 2013-12-27 | 2013-12-27 | A kind of road clearance is adjustable implement porter and control method steadily |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103818212A true CN103818212A (en) | 2014-05-28 |
| CN103818212B CN103818212B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310740241.5A Expired - Fee Related CN103818212B (en) | 2013-12-27 | 2013-12-27 | A kind of road clearance is adjustable implement porter and control method steadily |
Country Status (1)
| Country | Link |
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| CN (1) | CN103818212B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184094A (en) * | 2016-09-21 | 2016-12-07 | 西安培华学院 | The self-help apparatus of a kind of motor-vehicle wading and method |
| CN112622553A (en) * | 2020-12-25 | 2021-04-09 | 宁波凯明机器制造有限公司 | Tractor chassis |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4619340A (en) * | 1985-01-14 | 1986-10-28 | Elmer Willard O | High clearance self-propelled vehicle with variable clearance and variable wheel spacing |
| US5039129A (en) * | 1989-11-15 | 1991-08-13 | Charles Balmer | Vehicle for agricultural use |
| US5058017A (en) * | 1987-11-05 | 1991-10-15 | Hitachi, Ltd. | System for control of vehicle suspension |
| CN201559499U (en) * | 2009-08-07 | 2010-08-25 | 张扬 | Automobile active hanging balancing system |
| CN102019831A (en) * | 2009-11-23 | 2011-04-20 | 胡云 | Active vibration isolator for vehicle |
| 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 CN201310740241.5A patent/CN103818212B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4619340A (en) * | 1985-01-14 | 1986-10-28 | Elmer Willard O | High clearance self-propelled vehicle with variable clearance and variable wheel spacing |
| US5058017A (en) * | 1987-11-05 | 1991-10-15 | Hitachi, Ltd. | System for control of vehicle suspension |
| US5039129A (en) * | 1989-11-15 | 1991-08-13 | Charles Balmer | Vehicle for agricultural use |
| CN201559499U (en) * | 2009-08-07 | 2010-08-25 | 张扬 | Automobile active hanging balancing system |
| CN102019831A (en) * | 2009-11-23 | 2011-04-20 | 胡云 | Active vibration isolator for vehicle |
| CN203293849U (en) * | 2013-03-25 | 2013-11-20 | 江苏大学 | High-ground-clearance self-propelled chassis with adjustable ground clearance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184094A (en) * | 2016-09-21 | 2016-12-07 | 西安培华学院 | The self-help apparatus of a kind of motor-vehicle wading and method |
| CN112622553A (en) * | 2020-12-25 | 2021-04-09 | 宁波凯明机器制造有限公司 | Tractor chassis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103818212B (en) | 2016-05-11 |
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Inventor after: Dong Lili Inventor after: Qiu Baijing Inventor after: Dong Siqing Inventor after: Guan Xianping Inventor after: Ou Mingxiong Inventor after: Chu Qi Inventor after: Deng Wuqing Inventor before: Dong Lili Inventor before: Qiu Baijing Inventor before: Dong Siqing Inventor before: Guan Xianping Inventor before: Ou Mingxiong Inventor before: Chu Qi Inventor before: Deng Wuqing |
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Granted publication date: 20160511 Termination date: 20201227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |