CN202624202U - Stepless speed regulating control device of bulldozer - Google Patents
Stepless speed regulating control device of bulldozer Download PDFInfo
- Publication number
- CN202624202U CN202624202U CN2012202312979U CN201220231297U CN202624202U CN 202624202 U CN202624202 U CN 202624202U CN 2012202312979 U CN2012202312979 U CN 2012202312979U CN 201220231297 U CN201220231297 U CN 201220231297U CN 202624202 U CN202624202 U CN 202624202U
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- CN
- China
- Prior art keywords
- bulldozer
- speed
- controller
- speed regulating
- stepless speed
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Operation Control Of Excavators (AREA)
Abstract
The utility model relates to a stepless speed regulating control device of a bulldozer. The stepless speed regulating control device comprises an electrical control handle, a controller, a travel motor and a monitor, wherein the travel motor is connected with a CAN (Controller Area Network) bus through the controller; and the electrical control handle, the controller and the monitor are connected with the CAN bus in sequence. The stepless speed regulating control device has the beneficial effects of simple and rational structural arrangement, easiness in operation, high control accuracy and stable control performance; the conventional mode of gear speed control is optimized into stepless speed regulating; when the bulldozer operates, the speed of the bulldozer changes along with difference in working condition; and a stepless speed regulating control system realizes that a machine driver can conveniently, safely and accurately control the speed during operation of the bulldozer and directly adjust a required speed value through a thumb roller analog instruction.
Description
Technical field
The utility model relates to a kind of bulldozer, relates in particular to a kind of bulldozer infinite speed variation control setup.
Background technology
The work of bulldozer has the advantages that the band of walking carries, but operating mode is complicated, and walk is also different, is different like the zero load walking and the rate request of walking of loading.But unloaded walking at high speed, the necessary reduction of speed of load walking must satisfy with the power demand of guaranteeing to load.Traditional speed adjustment is the gear of at first regulating the speed through order button, and promptly speed 1 retaining, 2 retainings or 3 keep off, and then adjust concrete velocity amplitude through the dummy instruction of joystick.How to bulldozer carry out safety, rationally, effectively, the control of failure-free infinite speed variation is the present technical issues that need to address.
Summary of the invention
The utility model technical matters to be solved is: a kind of bulldozer infinite speed variation control setup is provided, to the speed of bulldozer carry out effectively, failure-free control, the rational Match of realization speed and working environment.
The utility model is that the technical scheme that problem adopted of the above-mentioned proposition of solution is:
A kind of bulldozer infinite speed variation control setup comprises electric control handle 1, controller 2, and running motor 3 and monitor 4, running motor 3 passes through controller 2 and the total wire joint of CAN, electric control handle 1, controller 2 is connected with the CAN bus respectively with monitor 4 successively.
The principle of work of the utility model: electric control handle 1 setting is advanced, the direction of retreat master cock; Be provided with and be pushed into the master cock closure before the electric control handle and then instruct line direction before the bulldozer; Post-tensioning to master cock closure is then instructed the bulldozer direction of retreat; This switching value signal is transferred to controller 2 through the CAN bus network; Controller 2 promptly sends signal according to program setting and drives running motor 3 and advance with the minimum speed of travel or retreat, and monitor 4 receives the CAN bus signals and also shows forward-reverse and velocity amplitude simultaneously; Secondly thumb roller adopts Linear Control, the regulation thumb roller stir the corresponding corresponding magnitude of voltage of angle, simultaneously, set up corresponding linear relationship between the size of voltage and the variation of the speed of travel.Behind the forward-reverse switch closure, the thumb roller of stirring on the electric control handle 1 can be carried out infinite speed variation, and thumb roller is constantization of speed when meta; The speed of meta is minimum moving velocity, and the output voltage of up stirring thumb roller electric control handle 1 increases, and controller 2 receives this signal and promptly increases the PWM outgoing current; The aperture of Hydraulic Elements proportion magnetic valve is increased, thereby the rotating speed of running motor 3 is increased, the bulldozer moving velocity increases; Not unclamping then, speed increases until maximum always; The speed that speed increases is directly proportional with the angle of stirring thumb roller, when speed be increased to some values unclamp thumb roller return meta automatically after speed just be set value for this reason, bulldozer is promptly pressed this speed operation; Down stirring thumb roller speed reduces; Do not unclamp then that speed reduces until minimum always, the speed that speed reduces is directly proportional with the angle of stirring thumb roller, when speed be reduced to some values unclamp thumb roller return meta automatically after speed just be set value for this reason; Promptly by this speed operation, monitor 4 is the display speed value in real time for bulldozer.
The beneficial effect of the utility model is: it is stable that structure is provided with advantages of simple, processing ease, control accuracy height and controller performance; The pattern of traditional gear control rate is optimized for stepless regulating the speed; Bulldozer is when operation, and its speed changes along with the difference of operating mode to some extent, when this infinite speed variation control system has promptly realized bulldozer operation work; The tractor driver can make things convenient for, realize safely, exactly the control of speed, directly adjusts required velocity amplitude through the thumb roller dummy instruction.
Description of drawings
Fig. 1 is the theory structure scheme drawing of the utility model.
Wherein, 1-electric control handle, 2-controller, 3-running motor, 4-monitor.
The specific embodiment
Further specify the embodiment of the utility model below in conjunction with accompanying drawing.
Referring to Fig. 1, the described a kind of bulldozer infinite speed variation control setup of this specific embodiment comprises electric control handle 1; Controller 2, running motor 3 and monitor 4, running motor 3 is through controller 2 and the total wire joint of CAN; Electric control handle 1, controller 2 is connected with the CAN bus respectively with monitor 4 successively.
The principle of work of this specific embodiment: electric control handle 1 setting is advanced, the direction of retreat master cock; Be provided with and be pushed into the master cock closure before the electric control handle and then instruct line direction before the bulldozer; Post-tensioning to master cock closure is then instructed the bulldozer direction of retreat; This switching value signal is transferred to controller 2 through the CAN bus network; Controller 2 promptly sends signal according to program setting and drives running motor 3 and advance with the minimum speed of travel or retreat, and monitor 4 receives the CAN bus signals and also shows forward-reverse and velocity amplitude simultaneously; Secondly thumb roller adopts Linear Control, the regulation thumb roller stir the corresponding corresponding magnitude of voltage of angle, simultaneously, set up corresponding linear relationship between the size of voltage and the variation of the speed of travel.Behind the forward-reverse switch closure, the thumb roller of stirring on the electric control handle 1 can be carried out infinite speed variation, and thumb roller is constantization of speed when meta; The speed of meta is minimum moving velocity, and the output voltage of up stirring thumb roller electric control handle 1 increases, and controller 2 receives this signal and promptly increases the PWM outgoing current; The aperture of Hydraulic Elements proportion magnetic valve is increased, thereby the rotating speed of running motor 3 is increased, the bulldozer moving velocity increases; Not unclamping then, speed increases until maximum always; The speed that speed increases is directly proportional with the angle of stirring thumb roller, when speed be increased to some values unclamp thumb roller return meta automatically after speed just be set value for this reason, bulldozer is promptly pressed this speed operation; Down stirring thumb roller speed reduces; Do not unclamp then that speed reduces until minimum always, the speed that speed reduces is directly proportional with the angle of stirring thumb roller, when speed be reduced to some values unclamp thumb roller return meta automatically after speed just be set value for this reason; Promptly by this speed operation, monitor 4 is the display speed value in real time for bulldozer.
The beneficial effect of this specific embodiment is: it is stable that structure is provided with advantages of simple, processing ease, control accuracy height and controller performance; The pattern of traditional gear control rate is optimized for stepless regulating the speed; Bulldozer is when operation, and its speed changes along with the difference of operating mode to some extent, when this infinite speed variation control system has promptly realized bulldozer operation work; The tractor driver can make things convenient for, realize safely, exactly the control of speed, directly adjusts required velocity amplitude through the thumb roller dummy instruction.
Claims (1)
1. bulldozer infinite speed variation control setup; It is characterized in that: comprise electric control handle (1); Controller (2), running motor (3) and monitor (4), running motor (3) is through controller (2) and the total wire joint of CAN; Electric control handle (1), controller (2) is connected with the CAN bus respectively with monitor (4) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202312979U CN202624202U (en) | 2012-05-22 | 2012-05-22 | Stepless speed regulating control device of bulldozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202312979U CN202624202U (en) | 2012-05-22 | 2012-05-22 | Stepless speed regulating control device of bulldozer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202624202U true CN202624202U (en) | 2012-12-26 |
Family
ID=47377429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202312979U Expired - Fee Related CN202624202U (en) | 2012-05-22 | 2012-05-22 | Stepless speed regulating control device of bulldozer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202624202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152573A (en) * | 2021-05-06 | 2021-07-23 | 徐州徐工挖掘机械有限公司 | Control method and system for matching speeds of excavator under different working conditions |
-
2012
- 2012-05-22 CN CN2012202312979U patent/CN202624202U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152573A (en) * | 2021-05-06 | 2021-07-23 | 徐州徐工挖掘机械有限公司 | Control method and system for matching speeds of excavator under different working conditions |
| CN113152573B (en) * | 2021-05-06 | 2022-08-02 | 徐州徐工挖掘机械有限公司 | Control method and system for matching speeds of excavator under different working conditions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20210522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |