CN202401509U - Mechanical excavation operating device of backhoe loader - Google Patents
Mechanical excavation operating device of backhoe loader Download PDFInfo
- Publication number
- CN202401509U CN202401509U CN2012200056499U CN201220005649U CN202401509U CN 202401509 U CN202401509 U CN 202401509U CN 2012200056499 U CN2012200056499 U CN 2012200056499U CN 201220005649 U CN201220005649 U CN 201220005649U CN 202401509 U CN202401509 U CN 202401509U
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- control stick
- loader
- digger
- operating
- excavates
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Abstract
The utility model discloses a mechanical excavation operating device of a backhoe loader. The mechanical excavation operating device comprises a multi-way valve, an operating rod and a support for installing the operating rod; a left pedal and a right pedal are arranged at both sides of the support respectively; six pull rods are arranged among the multi-way valve, the operating rod, the left pedal and the right pedal; the operating rod comprises a left leg operating rod, a right leg operating rod, a movable arm operating rod, a bucket bar operating rod and a bucket operating rod, wherein the left leg operating rod and the right leg operating rod are arranged at both sides of the operating rod; one pull rod is controlled by the left pedal and the right pedal. The mechanical excavation operating device has the beneficial effects that: 1, the operating mode which is the same as the operating mode of the excavator is realized, the habit of the operators is met, and the operating comfort of the device is enhanced; 2, the synchronous lifting and rotating of the movable arm is realized, and the working efficiency is improved; and 3, the reliability of the operating system is enhanced by the mechanical operating device, the structure is simple, and the cost is reduced.
Description
Technical field
The utility model relates to a kind of manipulation device, and particularly a kind of mechanical type that is used for loader-digger excavates manipulation device, belongs to engineering machinery field.
Background technology
Loader-digger is commonly called as " two busy ", as the term suggests the loader-digger front end is provided with the equipment of loader, afterbody is provided with the excacation device of excavator, the switching that loader-digger can the Rapid Realization function when operation.But it is liftoff complete machine to be supported four-wheel during the excavation end work of loader-digger, and the support of loader-digger is to rely on that the supporting leg that is positioned at the complete machine both sides is flexible to be realized.
The excavation end manipulation device of at present traditional loader-digger is made up of four one control levers, two one control levers control left and right sides supporting leg wherein, and an one control lever is controlled dipper and scraper bowl respectively, also has one control lever control swing arm to rise and fall and the revolution of swing arm.The control stick of control swing arm motion can only be realized a swing arm action separately, can not realize rising and falling and turning round of swing arm simultaneously, has influenced the operating efficiency of excavating end.
The function of the excavation end of loader-digger is identical with excavator, and is far away but method of operating differs, when the operating personnel of excavator operate loader-digger often because uncomfortable and the maloperation phenomenon takes place.Some producer has noticed this problem, and the operating pattern with the operating pattern of loader-digger and excavator is unified; But normally the method through electric or hydraulic pressure realizes the operation of control stick to control valve; Method electric or hydraulic control need be introduced the control power source increases devices such as electromagnetic valve and pilot valve; Increased the cost of manipulation device, made structure complicated more, reliability reduces.
Summary of the invention
Goal of the invention: the purpose of the utility model provides a kind of loader-digger mechanical type that satisfies operator's custom simple in structure, that reliability is high and excavates manipulation device.
Technical scheme: a kind of loader-digger mechanical type excavates manipulation device; Comprise banked direction control valves, control stick and be used to be installed in the support of control stick; The support both sides also are respectively equipped with left-hand tread plate and right-hand tread plate; Be provided with six pull bars between banked direction control valves and control stick and the left and right pedal, said control stick comprises left and right supporting leg control stick, swing arm control stick, dipper control stick and the bucket control stick that is positioned at the control stick both sides, pull bar of the common control of said left and right pedal.Thereby independently control moving up and down of six pull bars respectively through five control sticks and left and right pedal and realize control each spool of banked direction control valves; Realize the action of rising and falling of swing arm and revolution and dipper and bucket through the action of controlling each spool; Therefore can realize rising and falling and turning round of swing arm simultaneously, improve operating efficiency.
Because left and right supporting leg control stick need not be operated when excavating the end operation; And the frequency of other three control sticks operation when work is higher; In order to prevent that maloperation from influencing operating efficiency, said left and right supporting leg control stick be shorter in length than swing arm control stick, dipper control stick and bucket control stick.
Said support is provided with the tubulose bearing pin of the hollow of crossing the support two ends; Said control stick is installed in the outside of bearing pin successively; Said bearing pin inside is provided with connecting axle, and said connecting axle two ends are fixedly connected with drive link and driving lever respectively, and said drive link is " 7 " font; Drive link one end and pull bar are hinged, and the drive link other end and left-hand tread plate flexibly connect; Said driving lever one end is fixedly connected with connecting axle, and the other end and right-hand tread plate flexibly connect.Realize the revolute function of swing arm through pull bar of left and right pedal control.Connecting axle can freely rotate in bearing pin, and other control sticks are installed in the bearing pin outside, so the rotation of connecting axle does not influence the operation of other control sticks.
Be provided with back-moving spring in the said left and right pedal; Said left and right pedal leans on support one side to be respectively equipped with " Z " font rocking bar; Said rocking bar rotates with left and right pedal, thereby rocking bar is stirred drive link respectively and the common control connection axle of driving lever rotates control pull rod.Through back-moving spring pull bar is resetted, the realization spool is got back to meta, and swing arm stops the revolution action.Above-mentioned rocking bar is stirred structure convenient adjusting when assembling of drive link and driving lever, has reduced the difficulty of processing.
Be respectively equipped with the flat board of cylinder lever connecting rod on the said left and right supporting leg control stick, said left and right supporting leg control stick rotates through flat board drive pull bar around bearing pin and moves up and down.
Said swing arm control stick, dipper control stick and bucket control stick are connected with pull bar through bent plate respectively; Swing arm control stick, dipper control stick and bucket control stick rotate through bent plate drive pull bar around bearing pin and move up and down interlaced mutually noninterfere between the said bent plate.
To interfere each other in order preventing to be serially connected between the control stick on the bearing pin, to be provided with the adjustment pad between the said control stick.
Beneficial effect: realized and excavator identical operations pattern that 1, match operation person's custom has improved the operation of equipment comfortableness; 2, can realize rising and falling and turning round of swing arm simultaneously, improve operating efficiency; 3, the mechanical type manipulation device has improved the reliability of control system, the cost that reduced simple in structure.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model;
Fig. 2 excavates end revolution manipulation device structural representation for the utility model;
Fig. 3 is the utility model supporting leg manipulation device structural representation;
Fig. 4 excavates the manipulation device structural representation for the utility model.
The specific embodiment
As shown in the figure; A kind of loader-digger mechanical type excavates manipulation device; Comprise banked direction control valves 1, control stick 2 and be used to be installed in the support 3 of control stick 2; Support 3 both sides also are respectively equipped with left-hand tread plate 4 and right-hand tread plate 5; Banked direction control valves 1 and control stick 2 and left and right pedal 4, be provided with six pull bars 6 between 5, said control stick 2 comprises left and right supporting leg control stick 21,22, swing arm control stick 23, dipper control stick 24 and the bucket control stick 25 that is positioned at control stick 2 both sides, pull bar 6 of said left and right pedal 4,5 common controls.Thereby realize control to banked direction control valves 1 each spool through moving up and down of six pull bars 6 of five control sticks 2 and the independent respectively control of left and right pedal 4,5; Realize the action of rising and falling of swing arm and revolution and dipper and bucket through the action of controlling each spool; Therefore can realize rising and falling and turning round of swing arm simultaneously, improve operating efficiency.
Because left and right supporting leg control stick 21,22 need not be operated when excavating the end operation; And the frequency of other three control sticks 2 operation when work is higher; In order to prevent that maloperation from influencing operating efficiency, said left and right supporting leg control stick 21,22 be shorter in length than swing arm control stick 23, dipper control stick 24 and bucket control stick 25.
Said support 3 is provided with the tubulose bearing pin 31 of the hollow of crossing support 3 two ends; Said control stick 2 is installed in the outside of bearing pin 31 successively; Said bearing pin 31 inside are provided with connecting axle 7, and said connecting axle 7 two ends are fixedly connected with drive link 8 and driving lever 9 respectively, and said drive link 8 is " 7 " font; Drive link 8 one ends and pull bar 6 are hinged, and drive link 8 other ends and left-hand tread plate 4 flexibly connect; Said driving lever 9 one ends are fixedly connected with connecting axle 7, and the other end and right-hand tread plate 5 flexibly connect.Realize the revolute function of swing arm through pull bar of left and right pedal 4,5 controls 6.Connecting axle 7 can freely rotate in bearing pin 31, and other control sticks 2 are installed in bearing pin 31 outsides, so the rotation of connecting axle 7 does not influence the operation of other control sticks 2.
Be provided with back-moving spring 10 in the said left and right pedal 4,5; Said left and right pedal 4,5 leans on support 3 one sides to be respectively equipped with " Z " font rocking bar 11; Said rocking bar 11 rotates with left and right pedal 4,5, thereby rocking bar 11 is stirred drive link 8 and driving lever 9 common control connection axles 7 rotation control pull rod 6 respectively.Through back-moving spring 10 pull bar 6 is resetted, the realization spool is got back to meta, and swing arm stops the revolution action.Above-mentioned rocking bar 11 is stirred structure convenient adjusting when assembling of drive link 8 and driving lever 9, has reduced the difficulty of processing.
Be respectively equipped with the flat board 26 of cylinder lever connecting rod 6 on the said left and right supporting leg control stick 21,22, said left and right supporting leg control stick 21,22 rotates through dull and stereotyped 26 drive pull bars 6 around bearing pin 31 and moves up and down.Said swing arm control stick 23, dipper control stick 24 are connected with pull bar 6 through bent plate 27 respectively with bucket control stick 25; Swing arm control stick 23, dipper control stick 24 and bucket control stick 25 rotate through bent plate 27 drive pull bars 6 around bearing pin 31 and move up and down interlaced mutually noninterfere between the said bent plate 27.
To interfere each other in order preventing to be serially connected between the control stick 2 on the bearing pin 31, to be provided with adjustment pad 28 between the said control stick 2.
Claims (7)
1. a loader-digger mechanical type excavates manipulation device; Comprise banked direction control valves (1), control stick (2) and be used to be installed in the support (3) of control stick (2); It is characterized in that: support (3) both sides also are respectively equipped with left-hand tread plate (4) and right-hand tread plate (5); Be provided with six pull bars (6) between banked direction control valves (1) and control stick (2) and the left and right pedal (4,5); Said control stick (2) comprises left and right supporting leg control stick (21,22), swing arm control stick (23), dipper control stick (24) and the bucket control stick (25) that is positioned at control stick (2) both sides, and said left and right pedal (4,5) is controlled a pull bar (6) jointly.
2. loader-digger mechanical type according to claim 1 excavates manipulation device, it is characterized in that: said left and right supporting leg control stick (21,22) be shorter in length than swing arm control stick (23), dipper control stick (24) and bucket control stick (25).
3. loader-digger mechanical type according to claim 1 excavates manipulation device; It is characterized in that: said support (3) is provided with the tubulose bearing pin (31) of the hollow of crossing support (3) two ends; Said control stick (2) is installed in the outside of bearing pin (31) successively; Said bearing pin (31) inside is provided with connecting axle (7), and said connecting axle (7) two ends are fixedly connected with drive link (8) and driving lever (9) respectively, and said drive link (8) is " 7 " font; Drive link (8) one ends and pull bar (6) are hinged, and drive link (8) other end and left-hand tread plate (4) flexibly connect; Said driving lever (9) one ends are fixedly connected with connecting axle (7), and the other end and right-hand tread plate (5) flexibly connect.
4. loader-digger mechanical type according to claim 3 excavates manipulation device; It is characterized in that: said left and right pedal is provided with back-moving spring (10) in (4,5); Said left and right pedal (4,5) leans on support one side to be respectively equipped with " Z " font rocking bar (11); Said rocking bar (11) rotates with left and right pedal (4,5), rocking bar (11) stir respectively drive link (8) with the common control connection axle (7) of driving lever (9) thus rotation control pull rod (6).
5. loader-digger mechanical type according to claim 1 excavates manipulation device; It is characterized in that: be respectively equipped with the flat board (26) of cylinder lever connecting rod (6) on the said left and right supporting leg control stick (21,22), said left and right supporting leg control stick (21,22) rotates through dull and stereotyped (26) drive pull bars (6) around bearing pin (31) and moves up and down.
6. loader-digger mechanical type according to claim 1 excavates manipulation device; It is characterized in that: said swing arm control stick (23), dipper control stick (24) and bucket control stick (25) are connected with pull bar (6) through bent plate (27) respectively; Swing arm control stick (23), dipper control stick (24) and bucket control stick (25) rotate through bent plate (27) drive pull bar (6) around bearing pin (31) and move up and down interlaced mutually noninterfere between the said bent plate (27).
7. loader-digger mechanical type according to claim 1 excavates manipulation device, it is characterized in that: be provided with adjustment pad (28) between the said control stick (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200056499U CN202401509U (en) | 2012-01-09 | 2012-01-09 | Mechanical excavation operating device of backhoe loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200056499U CN202401509U (en) | 2012-01-09 | 2012-01-09 | Mechanical excavation operating device of backhoe loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202401509U true CN202401509U (en) | 2012-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200056499U Expired - Fee Related CN202401509U (en) | 2012-01-09 | 2012-01-09 | Mechanical excavation operating device of backhoe loader |
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| Country | Link |
|---|---|
| CN (1) | CN202401509U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820464A (en) * | 2015-05-28 | 2015-08-05 | 江苏柳工机械有限公司 | Foot pedal operating mechanism |
| CN106013313A (en) * | 2016-07-07 | 2016-10-12 | 青岛雷沃挖掘机有限公司 | Four-way pedal type control device for miniature excavator |
| CN108398983A (en) * | 2017-11-16 | 2018-08-14 | 惠水县凡趣创意科技有限公司 | Construction Machines integrated controller device |
-
2012
- 2012-01-09 CN CN2012200056499U patent/CN202401509U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820464A (en) * | 2015-05-28 | 2015-08-05 | 江苏柳工机械有限公司 | Foot pedal operating mechanism |
| CN106013313A (en) * | 2016-07-07 | 2016-10-12 | 青岛雷沃挖掘机有限公司 | Four-way pedal type control device for miniature excavator |
| CN106013313B (en) * | 2016-07-07 | 2018-05-18 | 青岛雷沃工程机械有限公司 | A kind of mini-excavator four-way pedal manipulation device |
| CN108398983A (en) * | 2017-11-16 | 2018-08-14 | 惠水县凡趣创意科技有限公司 | Construction Machines integrated controller device |
| CN108398983B (en) * | 2017-11-16 | 2019-11-19 | 台州屹捷数控机床股份有限公司 | Construction Machines integrated controller device |
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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: 20120829 Termination date: 20160109 |