CN102677733A - Device and method for improving traveling and operating intuitiveness of excavator - Google Patents
Device and method for improving traveling and operating intuitiveness of excavator Download PDFInfo
- Publication number
- CN102677733A CN102677733A CN2012101615926A CN201210161592A CN102677733A CN 102677733 A CN102677733 A CN 102677733A CN 2012101615926 A CN2012101615926 A CN 2012101615926A CN 201210161592 A CN201210161592 A CN 201210161592A CN 102677733 A CN102677733 A CN 102677733A
- Authority
- CN
- China
- Prior art keywords
- walked
- lateral
- motor control
- excavator
- valve
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a device and a method for improving traveling and operating intuitiveness of an excavator. Solenoid valves are arranged in pilot oil ways of a traveling pilot valve and a traveling motor control valve; a position sensor is arranged on a lower frame of the excavator; a trigger matched with the position sensor is arranged on an upper frame; on/off of the trigger is controlled by a button in a cab in an intelligent traveling mode; an output signal of the trigger is converted into a signal which can be identified by the solenoid valves through a converter; and the solenoid valves are controlled to reverse. By reversing of the solenoid valves, the original flow direction of the pilot oil ways is changed, so that when a driver operates the excavator to travel, a normal operating mode is always met, namely when a traveling push rod is pushed forward, the excavator advances, and when the traveling push rod is pulled backward, the excavator retreats, and the trouble that the driver is required to judge the traveling direction during operating to travel is avoided; the potential safety hazard caused by trial operation is avoided; and the operating intuitiveness and working efficiency are improved.
Description
Technical field
The present invention relates to the method for using of a kind of excavator controller and this device, specifically is a kind of device and method for using thereof that improves excavator walking operation intuitive.
Background technology
Hydraulic crawler excavator is a kind of main type of engineering machinery, is the main mechanical of earthwork evacuation, is widely used in industry and departments such as civilian construction, road and bridge, municipal engineering, irrigation and water conservancy.Hydraulic crawler excavator generally partly is made up of equipment, slewing equipment, running gear and hydraulic control device etc.Usually, equipment and hydraulic control device are installed on the vehicle frame, are called upper body, and running gear is installed in down and is called lower body on the vehicle frame, and upper body is connected through slewing equipment with lower body, can revolve three-sixth turn around fixing axis of rotation.When equipment and running motor during, be called positive direction in centre of gyration both sides.This moment, the driver promoted the push rod of walking forward, and excavator advances, pulled backwards walking push rod, and excavator is retreated, and should be the positive operation mode; When equipment and running motor during, be called in the other direction at centre of gyration homonymy.This moment, the driver promoted the push rod of walking forward, and excavator is retreated, pulled backwards walking push rod, and excavator advances, and should be the reverse operating mode.
Because excavator can turn round by 360 degree, so excavator possibly walked forward when promoting the walking push rod forward, also possibly walk backward.Usually; The driver observes the position of running motor through cab window; Also there are a lot of producers on the guide wheel interior plate, to post direction prompting symbol; But for mini-excavator, because the relative driver's cabin overhang of side bar of both sides, chassis is shorter, the driver is sitting in position that can't see running motor in the driver's cabin.For medium-and-large-sized excavator, owing to the swing arm position, also possibly have influence on the visual angle of driver's observation running motor, and excavator is worked the position that following vehicle frame usually can't be told running motor by the mud covering usually in the operating mode rugged environment.At present, the driver takes trial property operation walking push rod to judge direction of travel usually under a lot of situation, and the operation that is not merely the driver like this makes troubles, influences comfort level, loses time, and has also brought certain potential safety hazard for operation.
Summary of the invention
Problem to above-mentioned prior art existence; The present invention provides a kind of device and method that improves excavator walking operation intuitive; More directly perceived during the driver's operation excavator, avoid needing elder generation's judgement direction of travel to operate or attempt operating the potential safety hazard that possibly bring again owing to the revolution reason causes the driver.
To achieve these goals; The technical scheme that the present invention adopts is: a kind of device that improves excavator walking operation intuitive; Comprise that left lateral walks that pilot valve, right lateral are walked pilot valve, left lateral walks the motor control valve and right lateral is walked the motor control valve; Left lateral is walked pilot valve and left lateral and is walked motor control valve and right lateral and walk pilot valve and walk the motor control valve with right lateral and be connected through guide's oil circuit respectively, also comprises being installed on that left lateral is walked pilot valve and left lateral is walked the left electromagnetic valve on guide's oil circuit between the motor control valve; Be installed on that right lateral is walked pilot valve and right lateral is walked the right electromagnetic valve on guide's oil circuit between the motor control valve; Be fixed on down the position sensor on the vehicle frame; The intelligent walking pattern control button that is installed on driver's cabin that is installed in the trigger that cooperates with position sensor on the vehicle frame and is electrically connected on trigger is electrically connected with converter between trigger and left electromagnetic valve and the right electromagnetic valve.
When the driver hoped that excavator is walked forward with respect to driver's cabin, step was:
Start intelligent walking pattern control button, promote the walking push rod forward simultaneously; Trigger detection position sensor signal, when excavator was in positive direction, trigger and position sensor were positioned at centre of gyration both sides, and trigger does not send signal, and left electromagnetic valve and right electromagnetic valve in guide's oil circuit are in original position; Connect left lateral simultaneously and walk the part of advancing that pilot valve and right lateral are walked pilot valve; Pioneer pump output guide oil; One road guide oil promotes left lateral through left electromagnetic valve and walks the motor control valve and move right, and working oil is walked the motor control valve via left lateral and promoted left lateral and walk motor and be rotated counterclockwise; Another road guide oil promotes right lateral through right electromagnetic valve and walks the motor control valve and move right, and working oil is walked the motor control valve via right lateral and promoted right lateral and walk motor and be rotated counterclockwise, and the relative driver's cabin of excavator is walked forward;
When excavator is in the other direction; Trigger detects position sensor signal, and signal is input in the converter, and converter output signal controlling left side electromagnetic valve and right electromagnetic valve commutate simultaneously; Pioneer pump output guide oil gets into respectively that left lateral is walked pilot valve and right lateral is walked pilot valve, and one road guide oil promotes left lateral through left electromagnetic valve and walks the motor control valve to moving to left, and working oil is walked motor control valve promotion left lateral via left lateral and walked motor and turn clockwise; Another road guide oil promotes right lateral through right electromagnetic valve and walks the motor control valve to moving to left, and working oil is walked the motor control valve via right lateral and promoted right lateral and walk motor and turn clockwise, and the relative driver's cabin of excavator is walked forward;
When the driver hoped that excavator is walked with respect to driver's cabin backward, step was:
Start intelligent walking pattern control button, backward the push rod of pulling walking simultaneously; Trigger detection position sensor signal, when excavator was in positive direction, trigger and position sensor were positioned at centre of gyration both sides, and trigger does not send signal, and left electromagnetic valve and right electromagnetic valve in guide's oil circuit are in original position; (3) connect left lateral simultaneously and walk the part of retreating that pilot valve and right lateral are walked pilot valve; Pioneer pump output guide oil; One road guide oil promotes left lateral through left electromagnetic valve and walks the motor control valve to moving to left, and working oil is walked the motor control valve via left lateral and promoted left lateral and walk motor and turn clockwise; Another road guide oil promotes right lateral through right electromagnetic valve and walks the motor control valve to moving to left, and working oil is walked the motor control valve via right lateral and promoted right lateral and walk motor and turn clockwise, and the relative driver's cabin of excavator is walked backward;
When excavator is in the other direction; Trigger detects position sensor signal, and signal is input in the converter, and converter output signal controlling left side electromagnetic valve and right electromagnetic valve commutate simultaneously; Pioneer pump output guide oil gets into respectively that left lateral is walked pilot valve and right lateral is walked pilot valve, and one road guide oil promotes left lateral through left electromagnetic valve and walks the motor control valve and move right, and working oil is walked motor control valve promotion left lateral via left lateral and walked motor and be rotated counterclockwise; Another road guide oil promotes right lateral through right electromagnetic valve and walks the motor control valve and move right, and working oil is walked the motor control valve via right lateral and promoted right lateral and walk motor and be rotated counterclockwise, and the relative driver's cabin of excavator is walked backward.
The invention has the beneficial effects as follows: avoided the driver when the operation walking, will judge the trouble of direction of travel earlier; Avoided because the potential safety hazard that the operation of trial property causes; The comfortableness and the operating efficiency of operation have been improved.
Description of drawings
Fig. 1 hydraulic schematic diagram during for meta state of the present invention;
The operation excavator hydraulic schematic diagram that advances during Fig. 2 positive direction;
Fig. 3 is the operation excavator hydraulic schematic diagram that advances in the other direction the time;
The operation excavator is retreated hydraulic schematic diagram during Fig. 4 positive direction;
The operation excavator is retreated hydraulic schematic diagram during Fig. 5 opposite direction;
Fig. 6 puts sensor for the chord position of getting off and arranges enlarged drawing;
Fig. 7 is trigger and position sensor relative position figure.
Among the figure: 1, first main pump, 2, pioneer pump, 3, second main pump, 4, left lateral walks the motor control valve; 5, left electromagnetic valve, 6, left lateral walks pilot valve, 7, right lateral walks pilot valve, 8, right electromagnetic valve; 9, right lateral is walked the motor control valve, and 10, left lateral walks motor, 11, right lateral walks motor, 12, centre of gyration seat ring; 13, following vehicle frame, 14, position sensor, 15, trigger, 16, go up vehicle frame.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Like Fig. 1, Fig. 6 and shown in Figure 7: the present invention includes left lateral and walk that pilot valve 6, right lateral are walked pilot valve 7, left lateral walks motor control valve 4 and right lateral is walked motor control valve 9; Left lateral is walked pilot valve 6 and left lateral and is walked motor control valve 4 and right lateral and walk pilot valve 7 and walk motor control valve 9 with right lateral and be connected through guide's oil circuit respectively, also comprises being installed on that left lateral is walked pilot valve 6 and left lateral is walked the left electromagnetic valve 5 on guide's oil circuit between the motor control valve 4; Be installed on that right lateral is walked pilot valve 7 and right lateral is walked the right electromagnetic valve 8 on guide's oil circuit between the motor control valve 9; Be fixed on down the semicircle position sensor 14 of revolution central race 12 1 sides on the vehicle frame 13; The intelligent walking pattern control button that is installed on driver's cabin that is installed in the trigger 15 that cooperates with position sensor 14 on the vehicle frame 16 and is electrically connected on trigger 15 is electrically connected with converter between trigger 15 and left electromagnetic valve 5 and the right electromagnetic valve 8.
When the driver hoped that excavator is walked forward with respect to driver's cabin, step was:
Start intelligent walking pattern control button, promote the walking push rod forward simultaneously; Trigger 15 detection position sensors 14 signals; As shown in Figure 2, when excavator was in positive direction, trigger 15 was positioned at centre of gyration both sides with position sensor 14; Trigger 15 does not send signal; Left electromagnetic valve 5 in guide's oil circuit is in original position with right electromagnetic valve 8, connects left lateral simultaneously and walks the part of advancing that pilot valve 6 and right lateral are walked pilot valve 7, pioneer pump 2 output guide oils; One road guide oil promotes left lateral through left electromagnetic valve 5 and walks motor control valve 4 and move right, and first main pump, 1 output services oil is walked motor control valve 4 via left lateral and promoted left lateral and walk motor 10 and be rotated counterclockwise; Another road guide oil promotes right laterals through right electromagnetic valve 8 and walks motor control valve 9 and move right, and second main pump, 3 output services oil are walked motor control valve 9 via right lateral and promoted right laterals and walk motor 11 and be rotated counterclockwise, and excavator is walked forward with respect to driver's cabin;
When excavator is in the other direction; As shown in Figure 3, trigger 15 detects position sensor 14 signals, and signal is input in the converter, and converter output signal controlling left side electromagnetic valve 5 commutates with right electromagnetic valve 8 simultaneously; Pioneer pump 2 output guide oils; Getting into left lateral respectively walks pilot valve 6 and walks pilot valve 7 with right lateral; One road guide oil promotes left lateral through left electromagnetic valve 5 and walks motor control valve 4 to moving to left, and first main pump, 1 output services oil is walked motor control valve 4 via left lateral and promoted left lateral and walk motor 10 and turn clockwise; Another road guide oil promotes right laterals through right electromagnetic valve 8 and walks motor control valve 9 to moving to left, and second main pump, 3 output services oil are walked motor control valve 9 via right lateral and promoted right laterals and walk motor 11 and turn clockwise, and excavator is walked forward with respect to driver's cabin;
When the driver hoped that excavator is walked with respect to driver's cabin backward, step was:
Start intelligent walking pattern control button, backward the push rod of pulling walking simultaneously; Trigger 15 detection position sensors 14 signals; As shown in Figure 4, when excavator was in positive direction, trigger 15 was positioned at centre of gyration both sides with position sensor 14; Trigger 15 does not send signal; Left electromagnetic valve 5 in guide's oil circuit is in original position with right electromagnetic valve 8, connects left lateral simultaneously and walks the part of retreating that pilot valve 6 and right lateral are walked pilot valve 7, pioneer pump 2 output guide oils; One road guide oil promotes left lateral through left electromagnetic valve 5 and walks motor control valve 4 to moving to left, and first main pump, 1 output services oil is walked motor control valve 4 via left lateral and promoted left lateral and walk motor 10 and turn clockwise; Another road guide oil promotes right laterals through right electromagnetic valve 8 and walks motor control valve 9 to moving to left, and second main pump, 3 output services oil are walked motor control valve 9 via right lateral and promoted right laterals and walk motor 11 and turn clockwise, and excavator is walked with respect to driver's cabin backward;
When excavator was in the other direction, as shown in Figure 5, trigger 15 detected position sensor 14 signals, and signal is input in the converter, and converter output signal controlling left side electromagnetic valve 5 commutates with right electromagnetic valve 8 simultaneously; Pioneer pump 2 output guide oils; Getting into left lateral respectively walks pilot valve 6 and walks pilot valve 7 with right lateral; One road guide oil promotes left lateral through left electromagnetic valve 5 and walks motor control valve 4 and move right, and first main pump, 1 output services oil is walked motor control valve 4 via left lateral and promoted left lateral and walk motor 10 and be rotated counterclockwise; Another road guide oil promotes right laterals through right electromagnetic valve 8 and walks motor control valve 9 and move right, and second main pump, 3 output services oil are walked motor control valve 9 via right lateral and promoted right laterals and walk motor 11 and be rotated counterclockwise, and excavator is walked with respect to driver's cabin backward.
The invention enables driver's operation to have intuitive more, and then when having improved the complete machine operation, the operator judge the inconvenience that direction of travel brings.
Claims (2)
1. device that improves excavator walking operation intuitive; Comprise that left lateral walks that pilot valve (6), right lateral are walked pilot valve (7), left lateral walks motor control valve (4) and right lateral is walked motor control valve (9); Left lateral is walked pilot valve (6) and left lateral and is walked motor control valve (4) and right lateral and walk pilot valve (7) and walk motor control valve (4) with right lateral and be connected through guide's oil circuit respectively, it is characterized in that also comprising being installed on that left lateral is walked pilot valve (6) and left lateral is walked the left electromagnetic valve (5) on guide's oil circuit between the motor control valve (4); Be installed on that right lateral is walked pilot valve (7) and right lateral is walked the right electromagnetic valve (8) on guide's oil circuit between the motor control valve (9); Be fixed on down vehicle frame (13) and go up the semicircle position sensor (14) of revolution central race (12) one sides; The intelligent walking pattern control button that is installed on driver's cabin that is installed in the trigger (15) that cooperates with position sensor (14) on the vehicle frame (16) and is electrically connected on trigger (15) is electrically connected with converter between trigger (15) and left electromagnetic valve (5) and the right electromagnetic valve (8).
2. a kind of device that improves excavator walking operation intuitive according to claim 1, it is characterized in that the method for using of this device is: when the driver hoped that excavator is walked forward with respect to driver's cabin, step was:
(1) starts intelligent walking pattern control button, promote the walking push rod forward simultaneously;
(2) trigger (15) detection position sensor (14) signal; When excavator was in positive direction, trigger (15) was positioned at centre of gyration both sides with position sensor (14), and trigger (15) does not send signal; Left electromagnetic valve (5) and right electromagnetic valve (8) in guide's oil circuit are in original position; Get into step (3), when excavator is in the other direction, get into step (4);
(3) connect left lateral simultaneously and walk the part of advancing that pilot valve (6) and right lateral are walked pilot valve (7); Pioneer pump (2) output guide oil; One road guide oil promotes left lateral through left electromagnetic valve (5) and walks motor control valve (4) and move right, and first main pump (1) output services oil is walked motor control valve (4) via left lateral and promoted left lateral and walk motor (10) and be rotated counterclockwise; Another road guide oil is walked motor control valve (9) through right electromagnetic valve (8) promotion right lateral and is moved right; Second main pump (3) output services oil is walked motor control valve (9) via right lateral and is promoted right lateral and walk motor (11) and be rotated counterclockwise, and excavator is walked forward with respect to driver's cabin; (4) trigger (15) detects position sensor (14) signal, and signal is input in the converter, and converter output signal controlling left side electromagnetic valve (5) and right electromagnetic valve (8) commutate simultaneously;
(5) pioneer pump (2) output guide oil; Get into respectively that left lateral is walked pilot valve (6) and right lateral is walked pilot valve (7); One road guide oil promotes left lateral through left electromagnetic valve (5) and walks motor control valve (4) to moving to left, and first main pump (1) output services oil is walked motor control valve (4) via left lateral and promoted left lateral and walk motor (10) and turn clockwise; Another road guide oil promotes right lateral through right electromagnetic valve (8) and walks motor control valve (9) to moving to left; Second main pump (3) output services oil is walked motor control valve (9) via right lateral and is promoted right lateral and walk motor (11) and turn clockwise, and excavator is walked forward with respect to driver's cabin;
When the driver hoped that excavator is walked with respect to driver's cabin backward, step was:
(1) starts intelligent walking pattern control button, backward the push rod of pulling walking simultaneously;
(2) trigger (15) detection position sensor (14) signal; When excavator is in positive direction; Trigger (15) is positioned at centre of gyration both sides with position sensor (14); Trigger (15) does not send signal, and left electromagnetic valve (5) and right electromagnetic valve (8) in guide's oil circuit are in original position, gets into step (3); When excavator is in the other direction, get into step (4);
(3) connect left lateral simultaneously and walk the part of retreating that pilot valve (6) and right lateral are walked pilot valve (7); Pioneer pump (2) output guide oil; One road guide oil promotes left lateral through left electromagnetic valve (5) and walks motor control valve (4) to moving to left, and first main pump (1) output services oil is walked motor control valve (4) via left lateral and promoted left lateral and walk motor (10) and turn clockwise; Another road guide oil promotes right lateral through right electromagnetic valve (8) and walks motor control valve (9) to moving to left; Second main pump (3) output services oil is walked motor control valve (9) via right lateral and is promoted right lateral and walk motor (11) and turn clockwise, and excavator is walked with respect to driver's cabin backward;
(4) trigger (15) detects position sensor (14) signal, and signal is input in the converter, and converter output signal controlling left side electromagnetic valve (5) and right electromagnetic valve (8) commutate simultaneously;
(5) pioneer pump (2) output guide oil; Get into respectively that left lateral is walked pilot valve (6) and right lateral is walked pilot valve (7); One road guide oil promotes left lateral through left electromagnetic valve (5) and walks motor control valve (4) and move right, and first main pump (1) output services oil is walked motor control valve (4) via left lateral and promoted left lateral and walk motor (10) and be rotated counterclockwise; Another road guide oil is walked motor control valve (9) through right electromagnetic valve (8) promotion right lateral and is moved right; Second main pump (3) output services oil is walked motor control valve (9) via right lateral and is promoted right lateral and walk motor (11) and be rotated counterclockwise, and excavator is walked with respect to driver's cabin backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210161592.6A CN102677733B (en) | 2012-05-23 | 2012-05-23 | Device and method for improving traveling and operating intuitiveness of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210161592.6A CN102677733B (en) | 2012-05-23 | 2012-05-23 | Device and method for improving traveling and operating intuitiveness of excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102677733A true CN102677733A (en) | 2012-09-19 |
| CN102677733B CN102677733B (en) | 2014-12-03 |
Family
ID=46810253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210161592.6A Active CN102677733B (en) | 2012-05-23 | 2012-05-23 | Device and method for improving traveling and operating intuitiveness of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102677733B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862605A (en) * | 2012-10-24 | 2013-01-09 | 三一重机有限公司 | Walking automatic reversing device and excavator applying same |
| CN111021464A (en) * | 2019-12-26 | 2020-04-17 | 三一重机有限公司 | Excavator direction control system, excavator and control method thereof |
| CN112127412A (en) * | 2019-06-24 | 2020-12-25 | 迪尔公司 | Work vehicle with switchable propulsion control system |
| CN113983226A (en) * | 2021-10-26 | 2022-01-28 | 三一重机有限公司 | Excavator walking control method and device and excavator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07246961A (en) * | 1994-03-10 | 1995-09-26 | Yutani Heavy Ind Ltd | Control circuit for traveling device of hydraulic shovel |
| DE10059663A1 (en) * | 1999-12-16 | 2001-07-05 | Caterpillar Inc | Appliance and method for operating hydraulic excavator fitted with position sensor for purpose of sensing position of idler wheels provides variable track tension control |
| KR20030004695A (en) * | 2001-07-06 | 2003-01-15 | 대우종합기계 주식회사 | Hydraulic control apparatus for excavator in idling |
| JP3739509B2 (en) * | 1997-02-06 | 2006-01-25 | 日立建機株式会社 | Hydraulic excavator control device |
| US7017289B2 (en) * | 2002-12-20 | 2006-03-28 | Cnh America Llc | Earth-moving vehicle with device for configuration of profile for circulation on road |
| CN101003977A (en) * | 2006-01-20 | 2007-07-25 | 神钢建设机械株式会社 | Hydraulic control device for working machine |
| EP1820909A2 (en) * | 2006-02-20 | 2007-08-22 | Kobelco Construction Machinery Co., Ltd. | Hydraulic controlling device of working machine |
| CN102051895A (en) * | 2009-11-05 | 2011-05-11 | 北汽福田汽车股份有限公司 | Travelling control device and method for excavator |
-
2012
- 2012-05-23 CN CN201210161592.6A patent/CN102677733B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07246961A (en) * | 1994-03-10 | 1995-09-26 | Yutani Heavy Ind Ltd | Control circuit for traveling device of hydraulic shovel |
| JP3739509B2 (en) * | 1997-02-06 | 2006-01-25 | 日立建機株式会社 | Hydraulic excavator control device |
| DE10059663A1 (en) * | 1999-12-16 | 2001-07-05 | Caterpillar Inc | Appliance and method for operating hydraulic excavator fitted with position sensor for purpose of sensing position of idler wheels provides variable track tension control |
| KR20030004695A (en) * | 2001-07-06 | 2003-01-15 | 대우종합기계 주식회사 | Hydraulic control apparatus for excavator in idling |
| US7017289B2 (en) * | 2002-12-20 | 2006-03-28 | Cnh America Llc | Earth-moving vehicle with device for configuration of profile for circulation on road |
| CN101003977A (en) * | 2006-01-20 | 2007-07-25 | 神钢建设机械株式会社 | Hydraulic control device for working machine |
| EP1820909A2 (en) * | 2006-02-20 | 2007-08-22 | Kobelco Construction Machinery Co., Ltd. | Hydraulic controlling device of working machine |
| CN102051895A (en) * | 2009-11-05 | 2011-05-11 | 北汽福田汽车股份有限公司 | Travelling control device and method for excavator |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862605A (en) * | 2012-10-24 | 2013-01-09 | 三一重机有限公司 | Walking automatic reversing device and excavator applying same |
| CN102862605B (en) * | 2012-10-24 | 2016-01-20 | 三一重机有限公司 | A kind of automatic reversing apparatus and apply the excavating machine of this device of walking |
| CN112127412A (en) * | 2019-06-24 | 2020-12-25 | 迪尔公司 | Work vehicle with switchable propulsion control system |
| CN111021464A (en) * | 2019-12-26 | 2020-04-17 | 三一重机有限公司 | Excavator direction control system, excavator and control method thereof |
| CN111021464B (en) * | 2019-12-26 | 2023-07-28 | 三一重机有限公司 | Excavator direction control system, excavator and control method thereof |
| CN113983226A (en) * | 2021-10-26 | 2022-01-28 | 三一重机有限公司 | Excavator walking control method and device and excavator |
| CN113983226B (en) * | 2021-10-26 | 2023-08-22 | 三一重机有限公司 | Excavator walking control method and device and excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102677733B (en) | 2014-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102677733B (en) | Device and method for improving traveling and operating intuitiveness of excavator | |
| WO2010110086A1 (en) | Fuel saving control device for working machine and fuel saving control method for working machine | |
| CN202644628U (en) | Device capable of improving operation intuitiveness of walk of excavator | |
| CN104372823B (en) | Recovering system for slewing and braking energy of excavator | |
| CN105378348A (en) | Industrial vehicle and method for controlling same | |
| WO2011025197A3 (en) | Automatic operation control device and method for wheel loader work equipment | |
| CN102826118A (en) | Front wheel steering hydraulic system for land scraper with composite operation and land scraper | |
| CN103374974B (en) | Sludge clearing grab bucket vehicle | |
| CN211115959U (en) | Remote control system for rotary drilling rig | |
| CN103112487A (en) | Vehicle steering-by-wire steering wheel device | |
| KR101491942B1 (en) | Apparatus and method for controlling transmission cut-off of heavy construction equipment | |
| US20140222300A1 (en) | Mobile machine, braking system and method of controlling mobile machine | |
| CN109515537B (en) | Control method and system for crawler vehicle travelling mechanism and crawler vehicle | |
| CN206090684U (en) | Excavator gyration economizer system with prevent reversal and rock function | |
| CN202896670U (en) | Wheel excavator steering control device | |
| CN202215727U (en) | Manual and automatic integrated transmission system for wheel type hydraulic excavator | |
| CN201390614Y (en) | Automatic reverser for slewing and traveling of caterpillar crane | |
| CN202954397U (en) | Wireless visual range control system for small-size underground trackless scraper | |
| CN110747932A (en) | Excavator control system and method | |
| CN213861857U (en) | Automatically controlled running gear of crawler tractor | |
| CN204266287U (en) | A kind of digger revolving brake energy recovering system | |
| CN207092166U (en) | A kind of hydraulic crawler excavator logical valve | |
| CN113818505A (en) | Loader shoveling anti-skid control method, system and device | |
| CN203318379U (en) | Car in-place turning-round device | |
| CN208393459U (en) | A kind of vehicle wire-controlled steering system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |