CN106968287A - Improve the control device and control method of wheeled hydraulic excavator mode of operation security - Google Patents
Improve the control device and control method of wheeled hydraulic excavator mode of operation security Download PDFInfo
- Publication number
- CN106968287A CN106968287A CN201710291160.XA CN201710291160A CN106968287A CN 106968287 A CN106968287 A CN 106968287A CN 201710291160 A CN201710291160 A CN 201710291160A CN 106968287 A CN106968287 A CN 106968287A
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- CN
- China
- Prior art keywords
- switch
- magnetic valve
- valve
- hydraulic excavator
- wheeled hydraulic
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/2029—Controlling the position of implements in function of its load, e.g. modifying the attitude of implements in accordance to vehicle speed
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
Abstract
The invention discloses a kind of control device for improving wheeled hydraulic excavator mode of operation security；It includes：With controller（1）The W/T mode selection switch of electrical connection（2）, third gear selecting switch（3）, speed stage switch（4）, walking pressure sensor（5）, brake-pressure sensor（6）, advance magnetic valve（7）, retreat magnetic valve（8）, pilot solenoid valve（9）, braking electromagnetic valve（10）, idling of getting on the bus pressure switch（11）, magnetic valve of going beyond one's commission（12）；The control method using said apparatus is also disclosed simultaneously；The present invention can both have been realized normal walking and worked, moreover it is possible to realized the operation of special operation condition, be prevented effectively from the danger caused by maloperation by different logical operation.
Description
Technical field
The present invention relates to a kind of control device and control method for improving wheeled hydraulic excavator mode of operation security.
Background technology
Wheeled hydraulic excavator is the excavating machinery using tire as ground-engaging element.The wheeled hydraulic excavator speed of travel
Hurry up, do not damage road surface, can voluntarily transition at a distance, with it is motor-driven, flexible, efficient the characteristics of.In recent years, with China's urbanization
The quickening of pace of construction, the demand of wheeled hydraulic excavator constantly increases.
Current wheeled hydraulic excavator is all divided into walking mode and mode of operation two ways, and walking mode does not allow work
Make, but can be walked under mode of operation, because the speed ratio that wheeled hydraulic excavator is walked is very fast, if in the course of the work
Maloperation pedal, causes larger danger.
The content of the invention
Pacify in view of the above-mentioned problems of the prior art, the present invention provides a kind of wheeled hydraulic excavator mode of operation that improves
Walking states in the operational mode, can be carried out certain limitation by the control device and control method of full property, thus avoid because
The danger that maloperation occurs.
To achieve these goals, the technical solution adopted by the present invention is：One kind improves wheeled hydraulic excavator Working mould
The control device of formula security, it includes：With the W/T mode selection switch of controller electrical connection, third gear selecting switch, speed
Driving switch, walking pressure sensor, brake-pressure sensor, advance magnetic valve, retrogressing magnetic valve, pilot solenoid valve, braking
Magnetic valve, idling of getting on the bus pressure switch, magnetic valve of going beyond one's commission；
Wherein, described walking pressure sensor, advance magnetic valve, retrogressing magnetic valve pass through fluid pressure line and foot pedal valve machine
Tool is connected, and brake-pressure sensor, braking electromagnetic valve are mechanically connected with braking foot valve by fluid pressure line.
The control device of a kind of raising wheeled hydraulic excavator mode of operation security according to claim, its
It is characterised by, described braking electromagnetic valve adoption rate magnetic valve.
A kind of control method for improving wheeled hydraulic excavator mode of operation security, including following control process：
1）When the selection of W/T mode selection switch is W patterns, when third gear selecting switch selects OFF grades, controller control braking electricity
Magnet valve must not be electric, and now human pilot can only operate wheeled hydraulic excavator upper frame part to act, and forbids walking；
2）When W/T mode selection switch selects W patterns, and third gear selecting switch is when selecting AUTO grades, now human pilot
The walking of operation wheeled hydraulic excavator and work can be interlocked；
When carrying out associative operation when getting on the bus, controller gathers the signal for idling pressure switch of getting on the bus, and controls advance magnetic valve
Must not be electric with magnetic valve is retreated, braking electromagnetic valve obtains electric, carries out brake operating, forbids wheeled hydraulic excavator to walk；
When wheel excavator is being walked, the pressure signal of controller collection walking pressure sensor, controller can be controlled
Pilot solenoid valve must not electricity, each action that wheeled hydraulic excavator can be forbidden to get on the bus；
3）When W/T mode selection switch selects W patterns, and third gear selecting switch, when selecting ON grade, controller controls to go beyond one's commission electricity
Magnet valve obtains electric, limits the travel speed of wheeled hydraulic excavator, speed stage switch does not work, while not interfering with operation also
The action got on the bus；
4）When the selection of W/T mode selection switch is T patterns, third gear selecting switch is invalid, and pilot solenoid valve must not electricity.
Described controller detects the pressure signal of brake-pressure sensor, control advance magnetic valve, retrogressing magnetic valve
Must not electricity.
Compared with existing mode, the present invention controls the walking states under W mode of operations by third gear selecting switch, real
It is existing walk and the interlocking that works, can only work can not walk, can work the three kinds of working conditions that can also walk；
I.e. by different logical operation, it can both realize normal walking and work, moreover it is possible to realize the operation of special operation condition, have
Effect avoids the danger caused by maloperation.
Brief description of the drawings
Fig. 1 is electronic schematic diagram of the present invention；
Fig. 2 is the logic flow schematic diagram of the present invention；
In figure：1st, controller, 2, W/T mode selection switch, 3, third gear selecting switch, 4, speed stage switch, 5, walking pressure
Sensor, 6, brake-pressure sensor, 7, advance magnetic valve, 8 retreat magnetic valves, and 9, pilot solenoid valve, 10, braking electromagnetic valve,
11st, idling of getting on the bus pressure switch, 12, magnetic valve of going beyond one's commission.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the invention discloses a kind of control device for improving wheeled hydraulic excavator mode of operation security,
It includes：W/T mode selection switch 2, third gear selecting switch 3, the speed stage being electrically connected with controller 1 switch 4, walking and pressed
Force snesor 5, brake-pressure sensor 6, advance magnetic valve 7, retreat magnetic valve 8, pilot solenoid valve 9, braking electromagnetic valve 10, on
Car idling pressure switch 11, magnetic valve 12 of going beyond one's commission；
Wherein, described walking pressure sensor 5, advance magnetic valve 7, retrogressing magnetic valve 8 pass through fluid pressure line and foot pedal
Valve is mechanically connected, and brake-pressure sensor 6, braking electromagnetic valve 10 are mechanically connected with braking foot valve by fluid pressure line.
Wherein, the described adoption rate magnetic valve of braking electromagnetic valve 10.
As shown in Figure 2：The invention also discloses a kind of using the control for improving wheeled hydraulic excavator mode of operation security
The control method of device processed, including following control process：
1）When the selection of W/T mode selection switch 2 is W patterns, when third gear selecting switch 3 selects OFF grades, controller（1）Control
Braking electromagnetic valve 10 must not be electric, and now human pilot can only operate wheeled hydraulic excavator upper frame part to act, and forbids walking；
2）When W/T mode selection switch 2 selects W patterns, and third gear selecting switch 3 is when selecting AUTO grades, now driver
Member's operation wheeled hydraulic excavator walking and work can be interlocked；
When carrying out associative operation when getting on the bus, controller 1 gathers the signal for idling pressure switch 11 of getting on the bus, and controls advance electromagnetism
Valve 7 and retrogressing magnetic valve 8 must not be electric, and braking electromagnetic valve 10 obtains electric, carries out brake operating, forbids wheeled hydraulic excavator to walk；
When wheel excavator is being walked, the pressure signal of the collection walking pressure sensor 5 of controller 1, controller 1 can be controlled
Pilot solenoid valve 9 processed must not electricity, each action that wheeled hydraulic excavator can be forbidden to get on the bus；
3）When W/T mode selection switch 2 select W patterns, and third gear selecting switch 3 select ON grade when, controller 1 control go beyond one's commission
Magnetic valve 12 obtains electric, limits the travel speed of wheeled hydraulic excavator, speed stage switch 4 does not work, while will not also shadow
Ring the action that operation is got on the bus；
4）When the selection of W/T mode selection switch 2 is T patterns, third gear selecting switch 3 is invalid, and pilot solenoid valve 9 must not electricity.
When described controller 1 detects the pressure signal of brake-pressure sensor 6, control advance magnetic valve 7, retrogressing electricity
Magnet valve 8 must not electricity.
The present invention controls the walking states under W mode of operations by third gear selecting switch 2, realizes that walking and work are mutual
Lock, can only work can not walk, can work the three kinds of working conditions that can also walk；
I.e. by different logical operation, it can both realize normal walking and work, moreover it is possible to realize the operation of special operation condition, have
Effect avoids the danger caused by maloperation.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Described above, only presently preferred embodiments of the present invention is not intended to limit the invention, every skill according to the present invention
Any trickle amendment, equivalent substitution and improvement that art is substantially made to above example, should be included in technical solution of the present invention
Protection domain within.
Claims (4)
1. a kind of control device for improving wheeled hydraulic excavator mode of operation security, it is characterised in that it includes：With control
Device（1）The W/T mode selection switch of electrical connection（2）, third gear selecting switch（3）, speed stage switch（4）, walking pressure pass
Sensor（5）, brake-pressure sensor（6）, advance magnetic valve（7）, retreat magnetic valve（8）, pilot solenoid valve（9）, brake electromagnetism
Valve（10）, idling of getting on the bus pressure switch（11）, magnetic valve of going beyond one's commission（12）；
Wherein, described walking pressure sensor（5）, advance magnetic valve（7）, retreat magnetic valve（8）Pass through fluid pressure line and row
Walk foot valve mechanical connection, brake-pressure sensor（6）, braking electromagnetic valve（10）Pass through fluid pressure line machinery with braking foot valve
Formula is connected.
2. a kind of control device for improving wheeled hydraulic excavator mode of operation security according to claim 1, it is special
Levy and be, described braking electromagnetic valve（10）Adoption rate magnetic valve.
3. a kind of control method for improving wheeled hydraulic excavator mode of operation security, it is characterised in that including following control
Process：
1）When W/T mode selection switch（2）When selecting as W patterns, third gear selecting switch（3）When selecting OFF grades, controller（1）
Control braking electromagnetic valve（10）Must not be electric, now human pilot can only operate wheeled hydraulic excavator upper frame part to act, and forbid
Walking；
2）When W/T mode selection switch（2）When selecting W patterns, and third gear selecting switch（3）When selecting AUTO grades, now drive
Sailing the walking of human users' wheeled hydraulic excavator and work can interlock；
When carrying out associative operation when getting on the bus, controller（1）Gather idling pressure switch of getting on the bus（11）Signal, control advance
Magnetic valve（7）With retrogressing magnetic valve（8）Must not electricity, braking electromagnetic valve（10）Obtain electric, carry out brake operating, forbid wheel type hydraulic to dig
Pick machine is walked；
When wheel excavator is being walked, controller（1）Collection walking pressure sensor（5）Pressure signal, controller
（1）Pilot solenoid valve can be controlled（9）Must not electricity, each action that wheeled hydraulic excavator can be forbidden to get on the bus；
3）When W/T mode selection switch（2）Select W patterns, and third gear selecting switch（3）When selecting ON grades, controller（1）Control
Make magnetic valve of going beyond one's commission（12）Obtain electric, limit the travel speed of wheeled hydraulic excavator, speed stage switch（4）Do not work, together
When do not interfere with the action got on the bus of operation also；
4）When W/T mode selection switch（2）When selecting as T patterns, third gear selecting switch（3）It is invalid, pilot solenoid valve（9）Must not
Electricity.
4. a kind of control method for improving wheeled hydraulic excavator mode of operation security according to claim 3, it is special
Levy and be, described controller（1）Detect brake-pressure sensor（6）Pressure signal, control advance magnetic valve（7）, after
Move back magnetic valve（8）Must not electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291160.XA CN106968287A (en) | 2017-04-28 | 2017-04-28 | Improve the control device and control method of wheeled hydraulic excavator mode of operation security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291160.XA CN106968287A (en) | 2017-04-28 | 2017-04-28 | Improve the control device and control method of wheeled hydraulic excavator mode of operation security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106968287A true CN106968287A (en) | 2017-07-21 |
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| CN201710291160.XA Pending CN106968287A (en) | 2017-04-28 | 2017-04-28 | Improve the control device and control method of wheeled hydraulic excavator mode of operation security |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901545A (en) * | 2017-12-08 | 2019-06-18 | 柳工常州机械有限公司 | A kind of bull-dozer safety control system and method |
| CN115627811A (en) * | 2022-10-21 | 2023-01-20 | 徐州徐工挖掘机械有限公司 | Auxiliary calibration control system and method for traveling direction of wheel excavator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120089293A1 (en) * | 2010-10-12 | 2012-04-12 | Halder Bibhrajit | Autonomous machine control system |
| CN103328283A (en) * | 2011-01-21 | 2013-09-25 | 日立建机株式会社 | Hydraulic drive of a wheel-type work machine |
| CN204199365U (en) * | 2014-07-31 | 2015-03-11 | 徐州徐工挖掘机械有限公司 | The control device of the up mechanism of ultra-large type excavator |
-
2017
- 2017-04-28 CN CN201710291160.XA patent/CN106968287A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120089293A1 (en) * | 2010-10-12 | 2012-04-12 | Halder Bibhrajit | Autonomous machine control system |
| CN103328283A (en) * | 2011-01-21 | 2013-09-25 | 日立建机株式会社 | Hydraulic drive of a wheel-type work machine |
| CN204199365U (en) * | 2014-07-31 | 2015-03-11 | 徐州徐工挖掘机械有限公司 | The control device of the up mechanism of ultra-large type excavator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901545A (en) * | 2017-12-08 | 2019-06-18 | 柳工常州机械有限公司 | A kind of bull-dozer safety control system and method |
| CN115627811A (en) * | 2022-10-21 | 2023-01-20 | 徐州徐工挖掘机械有限公司 | Auxiliary calibration control system and method for traveling direction of wheel excavator |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170721 |
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| WD01 | Invention patent application deemed withdrawn after publication |