CN110144985A - Digger operating device control system - Google Patents
Digger operating device control system Download PDFInfo
- Publication number
- CN110144985A CN110144985A CN201910372934.0A CN201910372934A CN110144985A CN 110144985 A CN110144985 A CN 110144985A CN 201910372934 A CN201910372934 A CN 201910372934A CN 110144985 A CN110144985 A CN 110144985A
- Authority
- CN
- China
- Prior art keywords
- valve
- control
- oil inlet
- boom
- swing arm
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The invention discloses a kind of digger operating device control systems, belong to construction machinery production technical field, which includes the boom control valves, bucket and arm control valve by vehicle control unit controls；The floating valve group by vehicle control unit controls is equipped between boom control valves, the oil inlet of bucket and the oil inlet and boom cylinder of arm control valve；Induction is equipped with equipped with induction at fuel pump outlet and to the first pressure sensor of entire car controller output pressure fuel pump information, between the rod chamber of boom cylinder and an actuator port of boom control valves and the second pressure sensor of swing arm rod chamber pressure information is exported to entire car controller.The present invention can solve manual control handle existing for existing digger operating device and carry out the low problem of working efficiency caused by digging operation.
Description
Technical field
The present invention relates to construction machinery production technical field, especially a kind of control system for digger operating device
System.
Background technique
Digger operating device control system be one kind using oil liquid as working media, using oil liquid pressure energy and pass through
Swing arm, dipper and the scraper bowl of the attachmentes such as control valve manipulation excavator excavated, the device of the movements such as entrucking, existing excavation
Machine actuating device control system, including by oil pump provide hydraulic oil boom cylinder, bucket arm cylinder and bucket cylinder, oil pump with
Boom control valves are equipped between boom cylinder；Arm control valve is equipped between oil pump and bucket arm cylinder；Oil pump and bucket cylinder it
Between be equipped with bucket；The hydraulic control end of boom control valves, arm control valve and bucket is by fluid pressure line and drives
Indoor swing arm control handle, dipper control handle and scraper bowl control handle are correspondingly connected with, and control complete machine is additionally provided in driver's cabin
The revolution of revolution movement controls handle；When digging operation, machine hand is by controlling handle, dipper control handle and scraper bowl control to swing arm
The manipulation of handle processed revolution control handle carries out the excavation of scraper bowl, revolution+boom arm lift of scraper bowl, the discharging of scraper bowl, scraper bowl
The circulation action of tap point is returned, however, in practice, due to needing boom arm lift to carry out cooperation excavation movement in mining process,
Just scraper bowl can be made to be excavated with optimal cut-in angle, boom arm lift is entirely to be judged by the experience of machine hand at present
It there is a problem that working efficiency is low.
Summary of the invention
The present invention provides a kind of digger operating device control system, which can solve existing digger operating device
Existing manual control handle carries out the low problem of working efficiency caused by digging operation.
To solve the above-mentioned problems, the technical scheme adopted by the invention is that: this digger operating device control system,
Including the boom control valves being located between oil pump and boom cylinder, the bucket being located between the oil pump and bucket cylinder
And the arm control valve being located between the oil pump and bucket arm cylinder；The boom control valves, the bucket and described
Arm control valve passes through the vehicle control unit controls；The boom control valves, the oil inlet of the bucket and institute
State the floating valve group being equipped between the oil inlet of arm control valve and the boom cylinder through the vehicle control unit controls；Institute
The first pressure sensor for being equipped with induction at fuel pump outlet and exporting pressure fuel pump information to the entire car controller is stated, it is described dynamic
Between the rod chamber of arm oil cylinder and an actuator port of the boom control valves be equipped with induction and it is defeated to the entire car controller
The second pressure sensor of swing arm rod chamber pressure information out.
In above-mentioned technical proposal, more specific technical solution may also is that the floating valve group and bucket into
Third check valve is equipped between hydraulic fluid port and the oil inlet of arm control valve.
Further: the floating valve group includes swing arm auxiliary valve and floating switching valve；The floating valve group includes swing arm
Auxiliary valve and floating switching valve；The swing arm auxiliary valve is two-position three way magnetic valve, and the floating switching valve is two-position three way electricity
Magnetic reversal valve；The oil inlet of the swing arm auxiliary valve is connected with the rod chamber of the boom cylinder, the swing arm auxiliary valve
Actuator port is connected with the rodless cavity of the boom cylinder, the oil return opening of the swing arm auxiliary valve and the floating switching valve
Oil inlet is connected, and the actuator port of the floating switching valve is connected with the oil inlet of the third check valve.
It is further: it is single that first is equipped between the oil inlet of the arm control valve and the oil inlet of the boom control valves
To valve；Second one-way valve is equipped between the oil inlet of the bucket and the oil inlet of the boom control valves；Described
The oil outlet of one check valve, the second one-way valve oil outlet be connected with the oil outlet of the third check valve.
It is further: in the driver's cabin of excavator equipped with it is corresponding with the signal input part of the entire car controller connect float
Dynamic change-over switch, swing arm control handle, dipper control handle, scraper bowl control handle and revolution control handle.
By adopting the above-described technical solution, compared with prior art, the present invention has the following advantages:
1, due to the oil inlet and swing arm of the boom control valves of this control system, the oil inlet of bucket and arm control valve
The floating valve group by vehicle control unit controls is equipped between oil cylinder；It is equipped with induction at fuel pump outlet and is exported to entire car controller
The first pressure sensor of pressure fuel pump information is set between the rod chamber of boom cylinder and an actuator port of boom control valves
There is induction and exports the second pressure sensor of swing arm rod chamber pressure information to entire car controller；Entire car controller receives respectively
The scraper bowl recycling of handle input or dipper recycle action command, while the pressure fuel pump information that first pressure sensor incudes in real time
Preset oil pump pressure in entire car controller is reached with the swing arm rod chamber pressure information that second pressure sensor incudes in real time
When force value and the pressure value of swing arm rod chamber, makes rod chamber and the rodless cavity conducting of boom cylinder, float so that swing arm be enabled to be in
State, when excavation is obstructed, swing arm can move upwards automatically, not only reduce excavating resistance suffered by scraper bowl in this way, can also be with
It excavates scraper bowl with optimal entrance angle, improves operating efficiency.
2, since floating valve group includes swing arm auxiliary valve and floating switching valve；Swing arm auxiliary valve is two-position three way magnetic valve,
Floating switching valve is two position, three-way electromagnetic change valve；The oil inlet of swing arm auxiliary valve is connected with the rod chamber of boom cylinder, moves
The actuator port of arm auxiliary valve is connected with the rodless cavity of boom cylinder, the oil return opening of swing arm auxiliary valve and floating switching valve into
Hydraulic fluid port is connected, and the actuator port of floating switching valve is connected with the oil inlet of third check valve；Under the premise of structure is simple
It ensure that scraper bowl is excavated with optimal entrance angle.
3, due to being equipped with the first check valve between the oil inlet of arm control valve and the oil inlet of boom control valves；Scraper bowl control
Second one-way valve is equipped between the oil inlet of valve processed and the oil inlet of boom control valves；The oil outlet of first check valve, the second list
It is connected to the oil outlet of valve with the oil outlet of third check valve；It can be received in entire car controller and receive swing arm decline+bucket
When bar opening/scraper bowl recovery command, enable the work of swing arm auxiliary valve in left position, floating change-over valve operation is realized in left position with this
Pressure oil a part of swing arm rodless cavity flow to swing arm rod chamber complete swing arm lowering action, a part flow to arm control valve and
The oil inlet of bucket not only further improves working efficiency for the interflow of dipper and dipper motion, and reduces
The pressure oil output of oil pump, saves energy consumption.
Detailed description of the invention
Fig. 1 is the control principle schematic diagram of the embodiment of the present invention.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings:
Digger operating device control system shown in FIG. 1, including providing boom cylinder 2, the scraper bowl oil of hydraulic oil by oil pump 1
Cylinder 3 and bucket arm cylinder 4 are equipped with boom control valves 5 between oil pump 1 and boom cylinder 2, shovel is equipped between oil pump 1 and bucket cylinder 3
Struggle against control valve 6, and arm control valve 7 is equipped between oil pump 1 and bucket arm cylinder 4；The oil inlet 6P and dipper of bucket 6 are controlled
Floating valve group 8 is equipped between the oil inlet 7P and boom cylinder 2 of valve 7；The oil inlet 6P of floating valve group 8 and bucket 6 and
Third check valve 9, oil inlet 7P and the boom control valves 5 of arm control valve 7 are equipped between the oil inlet 7P of arm control valve 7
The first check valve 10 is equipped between oil inlet 5P；Between the oil inlet 6P of bucket 6 and the oil inlet 5P of boom control valves 5
Equipped with second one-way valve 11；Floating valve group 8 includes swing arm auxiliary valve 81 and floating switching valve 82；Swing arm auxiliary valve 81 is two three
Three-way electromagnetic valve, floating switching valve 82 are two position, three-way electromagnetic change valve；The oil inlet 81P of swing arm auxiliary valve 8 and boom cylinder 2
Rod chamber is connected, and the actuator port 81P of swing arm auxiliary valve 81 is connected with the rodless cavity of boom cylinder 2, swing arm auxiliary valve 81
Oil return opening 81T be connected with the oil inlet 82P of floating switching valve 82, the actuator port 82A of floating switching valve 82 and third list
It is connected to the oil inlet 9P of valve 9, the oil return opening 82T connected tank of floating switching valve 82, the oil outlet 9o of third check valve 9 and
The oil outlet 10o of one check valve 10 is connected with the oil outlet 11o of second one-way valve 11；The exit of oil pump 1 is equipped with induction oil
It is pumped the first pressure sensor 12 of force information；One actuator port 5A of the rod chamber of boom cylinder 2 and boom control valves 5 it
Between be equipped with induction swing arm rod chamber pressure information second pressure sensor 13；Boom control valves, bucket, dipper control
Valve and floating valve group pass through vehicle control unit controls, in which: the signal output end and second pressure of first pressure sensor 12
Signal input part of the signal output end of sensor 13 respectively with entire car controller 14 is correspondingly connected with, the signal of entire car controller 14
Output end is assisted with the control terminal of boom control valves, the control terminal of arm control valve, the control terminal of bucket, swing arm respectively
Control terminal, the control terminal of floating switching valve and the control terminal of oil pump of valve are correspondingly connected with；Be equipped in the driver's cabin of excavator with it is whole
The corresponding floating change-over switch 19 to connect of the signal input part of vehicle controller 14, swing arm control handle 15, dipper controls handle 16,
Scraper bowl controls handle 17 and revolution control handle 18.
The pressure value of pressure fuel pump value and swing arm rod chamber is preset in entire car controller；When digging operation, machine hand is opened
Floating change-over switch activates swing arm miscellaneous function；
When carrying out the excavation movement of scraper bowl, machine hand controls handle by scraper bowl or dipper controls handle and exports to entire car controller
Scraper bowl recycling or dipper recycle signal, during this, when the first pressure sensor and the second pressure that entire car controller detects
When the pressure value of force snesor is more than setting value, illustrate it is excavation movement at this time, and swing arm rod chamber is squeezed, pressure
Rise, have the tendency that moving upwards, it is larger to excavate the resistance being subject to, and needs to adjust upward swing arm, and entire car controller is to dynamic at this time
Arm auxiliary valve and floating switching valve send signal, make the work of swing arm auxiliary valve in left position, floating change-over valve operation is in right position, swing arm
Auxiliary valve links up swing arm rodless cavity and rod chamber, and swing arm is made to be in quick condition, in this way, swing arm can be upward when excavation is obstructed
Movement, is not only reduced excavating resistance suffered by scraper bowl, scraper bowl can also be made to be excavated with optimal entrance angle, make to excavate
More easily；And the flow that vehicle control unit controls oil pump exports during being somebody's turn to do is given to dipper and scraper bowl completely, can increase digging
Power is dug, digging efficiency is promoted.Meanwhile if swing arm is constantly in quick condition, excavation will be risen by certain resistance swing arm,
Bucket fill degree can be made low, so when first pressure sensor and the pressure of second pressure sensor are lower than setting value, full-vehicle control
Device control swing arm auxiliary valve switches back into right position, and swing arm is in non-quick condition, no longer moves upwards.Therefore machine hand can not have to consider
Swing arm, only operates dipper and scraper bowl excavates, and swing arm cooperates the excavation of the two automatically, reduces the labor intensity of machine hand, simplifies
Operation.
When carrying out the return tap point movement of scraper bowl, machine hand passes through revolution control handle first turns round complete machine, scraper bowl
Fastly when close excavation position, then it is defeated to entire car controller by swing arm control handle, scraper bowl control handle or dipper control handle
Swing arm decline+dipper opening/scraper bowl recycles action signal out, when entire car controller detects swing arm decline+dipper opening/scraper bowl
When recycling action signal, entire car controller exports control instruction to swing arm auxiliary valve and floating switching valve, and the two is made to work
Left position, such swing arm decline when, oil liquid a part of swing arm rodless cavity flow to swing arm rod chamber complete swing arm lowering action, one
It is diverted to the oil inlet of arm control valve and bucket, the interflow for dipper and dipper motion.Entire car controller at this time
Both control instruction also is exported to oil pump, reduces oil pump and exports oil liquid, meet current dipper and bucket motions speed, or accelerate
Movement carrys out raising efficiency, not only can satisfy even improve operating efficiency in this way, but also can reduce oil pump output oil liquid, saves energy
Consumption.
Claims (5)
1. a kind of digger operating device control system, including be located between oil pump and boom cylinder boom control valves, be located at
Bucket between the oil pump and bucket cylinder and the arm control valve being located between the oil pump and bucket arm cylinder；Its
Be characterized in that: the boom control valves, the bucket and the arm control valve are by the entire car controller control
System；The oil inlet of the boom control valves, the oil inlet of the oil inlet of the bucket and the arm control valve and institute
State the floating valve group being equipped between boom cylinder through the vehicle control unit controls；At the fuel pump outlet be equipped with induction and to
The first pressure sensor of the entire car controller output pressure fuel pump information, the rod chamber of the boom cylinder and the swing arm
Induction is equipped between one actuator port of control valve and to the of entire car controller output swing arm rod chamber pressure information
Two pressure sensors.
2. digger operating device control system according to claim 1, it is characterised in that: the floating valve group with it is described
Third check valve is equipped between the oil inlet of bucket and the oil inlet of the arm control valve.
3. digger operating device control system according to claim 2, it is characterised in that: the floating valve group includes dynamic
Arm auxiliary valve and floating switching valve；The swing arm auxiliary valve is two-position three way magnetic valve, and the floating switching valve is two-position three way
Solenoid directional control valve；The oil inlet of the swing arm auxiliary valve is connected with the rod chamber of the boom cylinder, the swing arm auxiliary valve
Actuator port be connected with the rodless cavity of the boom cylinder, the oil return opening of the swing arm auxiliary valve and the floating switching valve
Oil inlet be connected, the actuator port of the floating switching valve is connected with the oil inlet of the third check valve.
4. digger operating device control system according to claim 2 or 3, it is characterised in that: the arm control valve
Oil inlet and the boom control valves oil inlet between be equipped with the first check valve；The oil inlet of the bucket and institute
It states and is equipped with second one-way valve between the oil inlet of boom control valves；The oil outlet of first check valve, the second one-way valve
Oil outlet be connected with the oil outlet of the third check valve.
5. digger operating device control system according to claim 4, it is characterised in that: set in the driver's cabin of excavator
There are the floating change-over switch to connect corresponding with the signal input part of the entire car controller, swing arm control handle, dipper control hand
Handle, scraper bowl control handle and revolution control handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910372934.0A CN110144985B (en) | 2019-05-06 | 2019-05-06 | Excavator working device control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910372934.0A CN110144985B (en) | 2019-05-06 | 2019-05-06 | Excavator working device control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110144985A true CN110144985A (en) | 2019-08-20 |
| CN110144985B CN110144985B (en) | 2021-07-13 |
Family
ID=67594850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910372934.0A Active CN110144985B (en) | 2019-05-06 | 2019-05-06 | Excavator working device control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110144985B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075781A (en) * | 2019-12-10 | 2020-04-28 | 江西博源数字液压科技协同创新有限公司 | Digital hydraulic control valve and loader comprising same |
| CN114018383A (en) * | 2021-06-08 | 2022-02-08 | 矿冶科技集团有限公司 | Weighing system, scraper and weighing method |
| CN115748855A (en) * | 2022-12-16 | 2023-03-07 | 徐州徐工挖掘机械有限公司 | Excavator movable arm floating hydraulic control system and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09203402A (en) * | 1996-01-25 | 1997-08-05 | Kayaba Ind Co Ltd | Oil pressure control device |
| JP2010203207A (en) * | 2009-03-06 | 2010-09-16 | Caterpillar Japan Ltd | Control device of work machine |
| CN103615024A (en) * | 2013-11-20 | 2014-03-05 | 广西柳工机械股份有限公司 | Loader and bucket loading operation control method thereof |
| CN104141326A (en) * | 2014-07-11 | 2014-11-12 | 徐州徐工挖掘机械有限公司 | Energy-saving control system for excavator |
| CN105714873A (en) * | 2016-02-17 | 2016-06-29 | 柳州柳工挖掘机有限公司 | Hydraulic control system and control method for excavators |
-
2019
- 2019-05-06 CN CN201910372934.0A patent/CN110144985B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09203402A (en) * | 1996-01-25 | 1997-08-05 | Kayaba Ind Co Ltd | Oil pressure control device |
| JP2010203207A (en) * | 2009-03-06 | 2010-09-16 | Caterpillar Japan Ltd | Control device of work machine |
| CN103615024A (en) * | 2013-11-20 | 2014-03-05 | 广西柳工机械股份有限公司 | Loader and bucket loading operation control method thereof |
| CN104141326A (en) * | 2014-07-11 | 2014-11-12 | 徐州徐工挖掘机械有限公司 | Energy-saving control system for excavator |
| CN105714873A (en) * | 2016-02-17 | 2016-06-29 | 柳州柳工挖掘机有限公司 | Hydraulic control system and control method for excavators |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075781A (en) * | 2019-12-10 | 2020-04-28 | 江西博源数字液压科技协同创新有限公司 | Digital hydraulic control valve and loader comprising same |
| CN111075781B (en) * | 2019-12-10 | 2023-02-28 | 江西博源数字液压科技协同创新有限公司 | Digital hydraulic control valve and loader comprising same |
| CN114018383A (en) * | 2021-06-08 | 2022-02-08 | 矿冶科技集团有限公司 | Weighing system, scraper and weighing method |
| CN114018383B (en) * | 2021-06-08 | 2024-03-26 | 矿冶科技集团有限公司 | Weighing system, scraper and weighing method |
| CN115748855A (en) * | 2022-12-16 | 2023-03-07 | 徐州徐工挖掘机械有限公司 | Excavator movable arm floating hydraulic control system and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110144985B (en) | 2021-07-13 |
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