CN202169962U - Steering control device of aircraft tractor - Google Patents
Steering control device of aircraft tractor Download PDFInfo
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- CN202169962U CN202169962U CN2011200244953U CN201120024495U CN202169962U CN 202169962 U CN202169962 U CN 202169962U CN 2011200244953 U CN2011200244953 U CN 2011200244953U CN 201120024495 U CN201120024495 U CN 201120024495U CN 202169962 U CN202169962 U CN 202169962U
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- control valve
- solenoid directional
- directional control
- steering
- wheel
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Abstract
The utility model relates to a steering control device of an aircraft tractor, which comprises a hydraulic driving system and a steering control system, and belongs to a steering mode control device of a motor vehicle. The steering control device comprises a programmable logic controller, as well as an electromagnetic valve and a control circuit, which are arranged in an oil supply pipeline of the tractor, wherein the control circuit comprises a switching circuit and a steering mode control execution circuit, the input end of the programmable logic controller is connected with the switching circuit for emitting a steering command, and the output end of the programmable logic controller is connected with the steering mode control execution circuit for completing steering mode conversion. The programmable logic controller is adopted for realizing automatic control of the steering modes of the tractor, thereby enabling the selection of the steering mode of the tractor to be accurate, being simple to operate and further improving the working efficiency of the tractor; furthermore, the stability is strong and the safety performance is good.
Description
Technical field
The utility model relates to the airport ground facilities series products, and especially aircraft towing mainly is meant the automatic guidance that adopts Programmable Logic Controller to realize tractor truck is turned to pattern.
Background technology
Turning to of existing aircraft towing generally is the pattern that turns to through relay control, and the contact disk of relay is easy to lose efficacy in frequent adhesive, the process of unclamping, and can cause to turn to the out of control of pattern, has potential safety hazard.
Summary of the invention
This cause can novel technical matters to be solved provide a kind of aircraft towing steering controlling device; Adopted Programmable Logic Controller to realize tractor truck is turned to the automatic guidance of pattern; What make tractor truck turns to model selection accurate; Simple to operate, also improved the work efficiency of tractor truck.
For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of aircraft towing steering controlling device; Comprise fluid power system and steering control system; Said fluid power system comprises deflector, front steering axle, back steeraxle; Said front steering axle comprises that the near front wheel drives cylinder, off front wheel driving cylinder, and said back steeraxle comprises that left rear wheel drives cylinder, off hind wheel drives cylinder, and said deflector drives cylinder with said the near front wheel driving cylinder with off front wheel respectively through first hydraulic lock, first solenoid directional control valve, second hydraulic lock successively and is connected; Said deflector drives cylinder with said left rear wheel respectively through said first hydraulic lock, second solenoid directional control valve, the 3rd hydraulic lock successively and is connected with off hind wheel driving cylinder; The fuel tank of hydraulic efficiency pressure system is connected with second solenoid directional control valve with said first solenoid directional control valve through the 3rd solenoid directional control valve, the 4th hydraulic lock; The fuel tank of hydraulic efficiency pressure system drives cylinder and is connected with said left rear wheel driving cylinder, off hind wheel respectively through the 4th solenoid directional control valve, the 5th hydraulic lock, flow regulating valve; Said steering control system comprises Programmable Logic Controller, and said Programmable Logic Controller is provided with the change-over swith SA10 and the change-over swith SA11 that is used to change four-wheel or crab shape pattern that is used to change front-wheel or trailing wheel pattern; Said Programmable Logic Controller is provided with whether bit switch, induction front steering axle bit switch, induction back steeraxle bit switch, induction back steeraxle bit switch in the back axle of right meta is left back whether in the back axle left side of left meta whether in the propons right side of right meta whether in the propons left side of left meta of induction front steering axle; Said Programmable Logic Controller is connected with said first solenoid directional control valve through relay K M1, KM2; Said Programmable Logic Controller is connected with said second solenoid directional control valve through relay K M3, KM4, and said Programmable Logic Controller also is connected with said the 3rd solenoid directional control valve, the 4th solenoid directional control valve respectively.
The beneficial effect that the utility model is compared with prior art brought is:
Adopted Programmable Logic Controller to realize tractor truck is turned to the automatic guidance of pattern, what make tractor truck turns to model selection accurate, simple to operate, has also improved the work efficiency of tractor truck; And stability is strong, and safety performance is good.
Description of drawings
Fig. 1 is the utility model hydraulic efficiency pressure system scheme drawing.
Fig. 2 is the utility model steering control system scheme drawing.
The specific embodiment
Below in conjunction with Figure of description the utility model is described further.
As shown in Figure 1, a kind of aircraft towing steering controlling device comprises fluid power system and steering control system, and said fluid power system comprises deflector 1, forward pass Xiang Qiao, back steeraxle.Said front steering axle comprises that the near front wheel drives cylinder 13, off front wheel drives cylinder 14; Said back steeraxle comprises that left rear wheel drives cylinder 17, off hind wheel drives cylinder 18.Said deflector 1 drives cylinder 13 with said the near front wheel respectively through first hydraulic lock 2, first solenoid directional control valve 3, second hydraulic lock 4 successively and drives cylinder 14 with off front wheel and be connected; Passage Y1 may command the near front wheel 12 of first solenoid directional control valve 3 and off front wheel 15 right-hand turning simultaneously wherein; Passage Y2 may command the near front wheel 12 of first solenoid directional control valve 3 and 15 while of off front wheel left-handed turning.Said deflector 1 drives cylinder 17 with said left rear wheel respectively through said first hydraulic lock 2, second solenoid directional control valve 5, the 3rd hydraulic lock 6 successively and drives cylinder 18 with off hind wheel and be connected; The passage Y3 may command left rear wheel 16 of second solenoid directional control valve 5 and off hind wheel 19 right-hand turning simultaneously wherein; The passage Y4 may command left rear wheel 16 of second solenoid directional control valve 5 and 19 while of off hind wheel left-handed turning.The fuel tank of hydraulic efficiency pressure system changes electromagnetism and is connected with second solenoid directional control valve 5 to valve 3 through the 3rd solenoid directional control valve 7, the 4th hydraulic lock 8 and said first, just returns simultaneously through the 3rd solenoid directional control valve 7 may command the near front wheels 12, off front wheel 15, left rear wheel 16, off hind wheel 19.The fuel tank of hydraulic efficiency pressure system through the 4th solenoid directional control valve 9, the 5th hydraulic lock 10, flow regulating valve 11 drive cylinders 17 with said left rear wheel 16 respectively, off hind wheel 19 drives cylinders 18 and is connected; Wherein the 4th change-over valve passage Y11 can realize the right avertence finishing, and passage Y12 can realize the left avertence finishing.
As shown in Figure 2; Said steering control system comprises Programmable Logic Controller; Said Programmable Logic Controller comprises PLC and expansion module 40EDR, and said Programmable Logic Controller is provided with the change-over swith SA10 and the change-over swith SA11 that is used to change four-wheel or crab shape pattern that is used to change front-wheel or trailing wheel pattern.Said Programmable Logic Controller be provided with the induction front steering axle whether on the propons left side of left meta meta switch S C1, induction front steering axle whether at the right meta switch S of the propons C2 of right meta, induction back steeraxle whether on the back axle left side of left meta meta switch S C3, induction back steeraxle whether at the left back meta switch S of the back axle of right meta C4.Said Programmable Logic Controller is connected with said first solenoid directional control valve 3 through relay K M1, KM2, and relay K M1 is used to control first solenoid directional control valve, 3 passage Y1 break-makes, and relay K M2 is used to control first solenoid directional control valve, 3 passage Y2 break-makes.Said Programmable Logic Controller is connected with said second solenoid directional control valve 5 through relay K M3, KM4, and relay K M3 is used to control second solenoid directional control valve, 5 passage Y3 break-makes, and relay K M4 is used to control second solenoid directional control valve, 5 passage Y4 break-makes.Said Programmable Logic Controller also is connected with said the 3rd solenoid directional control valve 7, the 4th solenoid directional control valve 9 respectively.
Mode of operation:
One, front-wheel steering:
1, by " front-wheel pattern " button, 311 connect in " SA10 ", and propons left side meta switch sensor is if sense propons not at left meta, and 307 circuits break off, relay K M1 adhesive; The i.e. passage Y1 conducting of first solenoid directional control valve 3, the brake drum of front wheel right hand and left hand self-aligning; By that analogy, the right self-aligning of front-wheel; Trailing wheel left side self-aligning, the right self-aligning of trailing wheel, all front and back wheel self-alignings.
2, through programming control relay K M1, KM2 adhesive; First solenoid directional control valve, 3 passage Y1, Y2 conducting; First solenoid directional control valve, 3 passage Y1 conductings when front-wheel is turned right, first solenoid directional control valve, 3 passage Y2 conductings when front-wheel turns left, promptly realized front-wheel about turn to.
Two, rear-axle steering:
1, by " trailing wheel pattern " button, with above-mentioned " front-wheel steering ", all front and back wheel self-alignings;
2, through programming control relay K M3, the adhesive of KM4 order; Second solenoid directional control valve, 5 passage Y3, Y4 sequential turn-on; Second solenoid directional control valve, 5 passage Y3 when trailing wheel is turned right, second solenoid directional control valve, 5 passage Y4 conductings when trailing wheel turns left, promptly realized trailing wheel about turn to.
Three, four-wheel steering:
1, by " four-wheel pattern " button, with above-mentioned " front-wheel steering ", all front and back wheel self-alignings;
2, through programming control relay K M1, KM2, KM3, the adhesive of KM4 order; The passage Y1 of first solenoid directional control valve 3 and second solenoid directional control valve 5, Y2, Y3, Y4 sequential turn-on; First solenoid directional control valve, 3 passage Y1, second solenoid directional control valve, 5 passage Y3 conducting simultaneously during right-hand rotation; First solenoid directional control valve, 3 passage Y2, second solenoid directional control valve, 5 passage Y4 conducting have simultaneously promptly realized turning to about four-wheel during left-hand rotation.
Four, crab shape turns to:
1, by " crab shape pattern " button, with above-mentioned " front-wheel steering ", all front and back wheel self-alignings;
2, through programming control relay K M1, KM2, KM3, the adhesive of KM4 order; The passage Y1 of first solenoid directional control valve 3 and second solenoid directional control valve 5, Y2, Y3, Y4 sequential turn-on, first solenoid directional control valve, 3 passage Y2, second solenoid directional control valve, 5 passage Y3 conducting simultaneously when crab shape is turned right; First solenoid directional control valve, 3 passage Y1, second solenoid directional control valve, 5 passage Y4 conducting had simultaneously promptly realized turning to about crab shape when crab shape was turned left.
The utility model has adopted Programmable Logic Controller to realize tractor truck is turned to the automatic guidance of pattern, and what make tractor truck turns to model selection accurate, simple to operate, has also improved the work efficiency of tractor truck; And stability is strong, and safety performance is good.
Claims (1)
1. aircraft towing steering controlling device; Comprise fluid power system and steering control system; It is characterized in that: said fluid power system comprises deflector, front steering axle, back steeraxle; Said front steering axle comprises that the near front wheel drives cylinder, off front wheel drives cylinder; Said back steeraxle comprises that left rear wheel drives cylinder, off hind wheel drives cylinder, and said deflector drives cylinder with said the near front wheel driving cylinder with off front wheel respectively through first hydraulic lock, first solenoid directional control valve, second hydraulic lock successively and is connected; Said deflector drives cylinder with said left rear wheel respectively through said first hydraulic lock, second solenoid directional control valve, the 3rd hydraulic lock successively and is connected with off hind wheel driving cylinder; The fuel tank of hydraulic efficiency pressure system is connected with second solenoid directional control valve with said first solenoid directional control valve through the 3rd solenoid directional control valve, the 4th hydraulic lock; The fuel tank of hydraulic efficiency pressure system drives cylinder and is connected with said left rear wheel driving cylinder, off hind wheel respectively through the 4th solenoid directional control valve, the 5th hydraulic lock, flow regulating valve; Said steering control system comprises Programmable Logic Controller, and said Programmable Logic Controller is provided with the change-over swith SA10 and the change-over swith SA11 that is used to change four-wheel or crab shape pattern that is used to change front-wheel or trailing wheel pattern; Said Programmable Logic Controller is provided with whether bit switch, induction front steering axle bit switch, induction back steeraxle bit switch, induction back steeraxle bit switch in the back axle of right meta is left back whether in the back axle left side of left meta whether in the propons right side of right meta whether in the propons left side of left meta of induction front steering axle; Said Programmable Logic Controller is connected with said first solenoid directional control valve through relay K M1, KM2; Said Programmable Logic Controller is connected with said second solenoid directional control valve through relay K M3, KM4, and said Programmable Logic Controller also is connected with said the 3rd solenoid directional control valve, the 4th solenoid directional control valve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200244953U CN202169962U (en) | 2011-01-25 | 2011-01-25 | Steering control device of aircraft tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200244953U CN202169962U (en) | 2011-01-25 | 2011-01-25 | Steering control device of aircraft tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202169962U true CN202169962U (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200244953U Expired - Fee Related CN202169962U (en) | 2011-01-25 | 2011-01-25 | Steering control device of aircraft tractor |
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| CN (1) | CN202169962U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640623A (en) * | 2013-12-24 | 2014-03-19 | 威海广泰空港设备股份有限公司 | High-speed four-wheel steering stabilizing device of vehicle and control method of high-speed four-wheel steering stabilizing device |
| GB2516447A (en) * | 2013-07-22 | 2015-01-28 | Jc Bamford Excavators Ltd | A Steering Arrangement |
| CN107010108A (en) * | 2017-05-02 | 2017-08-04 | 山东五征集团有限公司 | Electric-controlled hydraulic four-wheel steering system and forward method |
| CN110509990A (en) * | 2019-07-31 | 2019-11-29 | 上海航福机场设备有限公司 | A four-wheel drive vehicle center position return system |
-
2011
- 2011-01-25 CN CN2011200244953U patent/CN202169962U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2529746A (en) * | 2013-06-07 | 2016-03-02 | Jc Bamford Excavators Ltd | A steering arrangement |
| GB2516447A (en) * | 2013-07-22 | 2015-01-28 | Jc Bamford Excavators Ltd | A Steering Arrangement |
| GB2532367A (en) * | 2013-07-22 | 2016-05-18 | Jc Bamford Excavators Ltd | A steering arrangement |
| GB2516447B (en) * | 2013-07-22 | 2016-06-15 | Jc Bamford Excavators Ltd | A Steering Arrangement |
| GB2532367B (en) * | 2013-07-22 | 2017-06-28 | Jc Bamford Excavators Ltd | A steering arrangement |
| AU2014204535B2 (en) * | 2013-07-22 | 2017-08-24 | J.C. Bamford Excavators Ltd | A steering arrangement |
| US9744986B2 (en) | 2013-07-22 | 2017-08-29 | J. C. Bamford Excavators Limited | Steering arrangement |
| CN103640623A (en) * | 2013-12-24 | 2014-03-19 | 威海广泰空港设备股份有限公司 | High-speed four-wheel steering stabilizing device of vehicle and control method of high-speed four-wheel steering stabilizing device |
| CN103640623B (en) * | 2013-12-24 | 2016-11-16 | 威海广泰空港设备股份有限公司 | Vehicle high-speed four-wheel steering stabilising arrangement and control method thereof |
| CN107010108A (en) * | 2017-05-02 | 2017-08-04 | 山东五征集团有限公司 | Electric-controlled hydraulic four-wheel steering system and forward method |
| CN110509990A (en) * | 2019-07-31 | 2019-11-29 | 上海航福机场设备有限公司 | A four-wheel drive vehicle center position return system |
| CN110509990B (en) * | 2019-07-31 | 2024-12-10 | 上海航福机场设备有限公司 | Four-wheel center return system for four-wheel drive vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171025 Address after: 404100 No. 8, No. 10, block circuit, south bank, Chongqing Patentee after: Chongqing Da Hang industry Co., Ltd. Address before: 518000 Guangdong province Shenzhen City Pingshan New District Pingshan Bi Ling Dahang technology factory building area Patentee before: SHENZHEN TECHKING INDUSTRY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20200125 |