CN102322083A - Hydraulic shifting mechanism of rear excavator - Google Patents
Hydraulic shifting mechanism of rear excavator Download PDFInfo
- Publication number
- CN102322083A CN102322083A CN201110186300A CN201110186300A CN102322083A CN 102322083 A CN102322083 A CN 102322083A CN 201110186300 A CN201110186300 A CN 201110186300A CN 201110186300 A CN201110186300 A CN 201110186300A CN 102322083 A CN102322083 A CN 102322083A
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- China
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- movable stand
- excavator
- moving beam
- hydraulic pressure
- travel mechanism
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Abstract
The invention belongs to the field of excavators, and in particular relates to a hydraulic shifting mechanism of a rear excavator. The hydraulic shifting mechanism of the rear excavator comprises a base which is provided with a shifting cross beam; the shifting cross beam is provided with a rack groove; a shifting frame is arranged on the shifting cross beam and can shift relatively to the shifting cross beam; the shifting cross beam is provided with a power device which is connected to the base and drives the shifting frame to shift; the power device is connected with a rack transmission mechanism; the rack transmission mechanism is arranged in the rack groove; and a connecting piece is arranged between the rack transmission mechanism and the shifting frame. According to the invention, through the arranged connecting piece, the movable connection between a movable rack and the shifting frame is realized, the reliability of power transmission is ensured, simultaneously influences to the rack transmission mechanism by the tilting and deviation of the shifting frame are reduced, and the hydraulic shifting mechanism of the rear excavator with stable and reliable transmission is realized.
Description
Technical field
The invention belongs to the excavator field, the hydraulic pressure travel mechanism that particularly a kind of back excavator is used.
Background technology
General the moving of excavating the movable stand of facility behind the packaged type is through big swing arm; Little swing arm; The move mode of the incompatible realization lateral adjustment of the action group of bucket position comparatively bothers; And receive the restriction of environment space condition, when horizontal space is not enough, just can't carry out the lateral position adjustment to movable stand with this mode.
Our company had carried out improving to transmission mechanism and had adopted gear-driven hydraulic pressure travel mechanism afterwards, and described travelling gear bar directly is fixedly connected on the movable stand, when the movable stand discontinuity; Movable stand is in the state of inclination, and the travelling gear bar is not firm with being connected of gear, when carrying out transmission work by force; Be easy to generate the phenomenon of jumping tooth, cause the transmission inaccuracy, the problem that stroke shortens and takes off tooth; Influence the operate as normal of travel mechanism, so the present invention improves said structure.
Summary of the invention
To the defective of prior art, the present invention has designed the reliable and stable back excavator of a kind of transmission and has used hydraulic pressure travel mechanism, has overcome earlier the coarse problem of jumping tooth, transmission that existing hydraulic pressure travel mechanism exists.
The present invention realizes through following technical scheme:
Back excavator is used hydraulic pressure travel mechanism, and it comprises base, and base is provided with moving beam; Described moving beam is provided with rach slot; Movable stand is arranged on the moving beam and can moves with respect to moving beam, it is characterized in that: be provided with the power set that the driving movable stand that is connected on the base moves above the moving beam, power set are connected with rack gear; Rack gear is arranged in the rach slot; Be provided with connector between described rack gear and the movable stand, the present invention is through power set driving gear strip transmission mechanism, and rack gear drives movable stand and moves; Thereby realize the translation of movable stand, drive the translation of back excavator.
Say that further described power set are two-way cylinder, adopt two-way cylinder, realize a positive and negative stroke.
Rack gear comprises the fixed rack that is set with rach slot one side inwall; And, also comprising a rotary driven wheel that is arranged on the power set below at the carry-over bar that the fixed rack respective side is provided with, described driven wheel connects carry-over bar and fixed rack; Power set drive driven wheel; Driven wheel drives carry-over bar and moves, and moves thereby drive movable stand, realizes the translation of movable stand.
Described connector comprises the horizontal connecting plate that is connected with carry-over bar; Horizontal connecting plate is fixedly connected on the vertical plate; The same side of horizontal connecting plate and be positioned at horizontal connecting plate below vertical plate be provided with spacing fin, be provided with the transmission level board at the opposite side of vertical plate, also comprise the plate that is in transmission connection that is arranged on the movable stand; Described transmission level board carries out clamping with the plate that is in transmission connection, and reduces the influence of the off normal of movable stand unbalance stress generation to rack gear.
The arranged outside of described rach slot has pair connector to lead and spacing guide rail, and the guide rail of setting carries out spacing to connector, guarantees the reliability that connector slides.
The top of one side of described movable stand is symmetrically arranged with roller along the center, and described roller is connected with moving beam, adopts the design of roller, reduces the friction between movable stand and the moving beam, is convenient to movable stand and moves.
Four bights of described movable stand are provided with locking cylinder; The output of locking cylinder is connected with moving beam, and when movable stand moved to the position that needs, locking cylinder was locked; It is stable that movable stand is connected with moving beam, is convenient to the back excavator and carries out work.
In sum; The connector of the present invention through being provided with; Realized the flexible connection between carry-over bar and the movable stand; Guaranteed powerdriven reliability, simultaneously also reduced movable stand inclination, off normal influence, realized that a reliable and stable back excavator of transmission uses hydraulic pressure travel mechanism rack gear.
Description of drawings
Fig. 1 is an axonometric drawing of the present invention,
Fig. 2 is the vertical view of the present invention that removes behind the power set,
Fig. 3 is the axonometric drawing of base,
Fig. 4 is the axonometric drawing of movable stand,
Fig. 5 is the structural representation of connector,
1 is base among the figure, and 2 is fixed rack, and 3 is two-way cylinder, and 4 is driven wheel, and 5 is carry-over bar; 6 is connector, and 7 is roller, and 8 is movable stand, and 9 is locking cylinder; 10 is moving beam, and 61 is horizontal connecting plate, and 62 is vertical plate, and 63 is spacing fin; 64 are the transmission level board, and 65 for being in transmission connection plate, and 1.1 is rach slot, and 1.2 is guide rail.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified:
Use hydraulic pressure travel mechanism like Fig. 1 to back excavator shown in Figure 5, it comprises base 1, and base 1 is provided with moving beam 10; Described moving beam 10 is provided with rach slot 1.1, and movable stand 8 is arranged on the moving beam 10 and can moves with respect to moving beam 10, is being provided with the power set 3 that the driving movable stand 8 that is connected on the base 1 moves above the moving beam 10; Adopt two-way cylinder as power set in the present embodiment; Adopt two-way cylinder, be convenient to realize round the moving back and forth of control movable stand, power set 3 are connected with rack gear; Rack gear is arranged in the rach slot 1.1; Be provided with connector 6 between described rack gear and the movable stand 8, the present invention is through power set driving gear strip transmission mechanism, and rack gear drives movable stand and moves; Thereby realize the translation of movable stand, drive the translation of back excavator.
This embodiment middle rack transmission mechanism comprises the fixed rack 2 that is set with rach slot 1.1 1 side inwalls; And, also comprising a rotary driven wheel 4 that is arranged on the power set below at the carry-over bar 5 that fixed rack 2 respective side are provided with, described driven wheel 4 connects carry-over bar 5 and fixed rack 2; Power set 3 drive driven wheel; Driven wheel 4 moves carry-over bar 5, moves thereby drive movable stand 8, realizes the translation of movable stand.
Described connector comprises the horizontal connecting plate 61 that is connected with carry-over bar 5; It is fixing to adopt screw to connect between horizontal connecting plate 61 and the carry-over bar 5; Horizontal connecting plate 61 is fixedly connected on the vertical plate 62, the same side of horizontal connecting plate 61 and be positioned at horizontal connecting plate 61 below vertical plate 62 be provided with spacing fin 63, be provided with transmission level board 64 at the opposite side of vertical plate 62; Also comprise the plate 65 that is in transmission connection that is arranged on the movable stand 8; Described transmission level board carries out clamping with the plate that is in transmission connection, and the described plate 65 that is in transmission connection is provided with a groove, and transmission level board 64 is connected in the groove of the plate 65 that is in transmission connection; Adopt the connector of said structure; Can reduce movable stand because the inclination that unbalance stress causes to the influence of rack gear, has promptly overcome the influence of movable stand to rack gear, guarantee the accuracy and the stability of the transmission of rack gear.
The arranged outside of described rach slot 1.1 has pair connector 6 to lead and spacing guide rail 1.2; Described guide rail 1.2 cooperates with above-mentioned spacing fin 63; Guaranteed the reliability that is connected between connector and the moving beam; Also connector is led on moving beam simultaneously, guaranteed the stability that connector slides on moving beam.
The top of one side of described movable stand 8 is symmetrically arranged with roller 7 along the center, described roller is connected with moving beam, adopts the design of roller, reduces the friction between movable stand and the moving beam, is convenient to movable stand and moves.
Four bights of described movable stand 8 are provided with locking cylinder 9; The output of locking cylinder 9 is connected with moving beam 10, and when movable stand moved to the position that needs, locking cylinder was locked; It is stable that movable stand is connected with moving beam, is convenient to the back excavator and carries out work.
The course of work of the present invention:
1) when movable stand needs translation, locking cylinder 9 unclamps, and makes movable stand 8 be in removable state.
2) two-way cylinder work drives the driven wheel motion, and driven wheel drives carry-over bar and moves, and carry-over bar drives movable stand through connector and on moving beam, slides.
3) when moving to the position that needs, locking cylinder 9 is locked, and guarantees to be in stationary state between movable stand and the moving beam.
4) when needs reset, locking cylinder 9 unclamps, and the two-way cylinder reverse operation can be realized resetting of movable stand.
In sum; The connector of the present invention through being provided with; Realized the flexible connection between carry-over bar and the movable stand; Guaranteed powerdriven reliability, simultaneously also reduced movable stand inclination, off normal influence, realized that a reliable and stable back excavator of transmission uses hydraulic pressure travel mechanism rack gear.
Claims (7)
1. the back excavator is used hydraulic pressure travel mechanism; It comprises base; Base is provided with moving beam, and described moving beam is provided with rach slot, and movable stand is arranged on the moving beam and can moves with respect to moving beam; It is characterized in that: be provided with the power set that the driving movable stand that is connected on the base moves above the moving beam; Power set are connected with rack gear, and rack gear is arranged in the rach slot, are provided with connector between described rack gear and the movable stand.
2. back according to claim 1 excavator is used hydraulic pressure travel mechanism, and it is characterized in that: described power set are two-way cylinder.
3. back according to claim 1 excavator is used hydraulic pressure travel mechanism; It is characterized in that: rack gear comprises the fixed rack that is set with rach slot one side inwall; And the carry-over bar that is provided with in the fixed rack respective side; Also comprise a rotary driven wheel that is arranged on the power set below, described driven wheel connects carry-over bar and fixed rack.
4. back according to claim 1 excavator is used hydraulic pressure travel mechanism; It is characterized in that: described connector comprises the horizontal connecting plate that is connected with carry-over bar; Horizontal connecting plate is fixedly connected on the vertical plate; The same side of horizontal connecting plate and be positioned at horizontal connecting plate below vertical plate be provided with spacing fin; Opposite side at vertical plate is provided with the transmission level board, also comprises the plate that is in transmission connection that is arranged on the movable stand, and described transmission level board carries out clamping with the plate that is in transmission connection.
5. back according to claim 4 excavator is used hydraulic pressure travel mechanism, it is characterized in that: the arranged outside of described rach slot has pair connector to lead and spacing guide rail.
6. back according to claim 1 excavator is used hydraulic pressure travel mechanism, and it is characterized in that: the top of a side of described movable stand is symmetrically arranged with roller along the center, and described roller is connected with moving beam.
7. back according to claim 1 excavator is used hydraulic pressure travel mechanism, and it is characterized in that: four bights of described movable stand are provided with locking cylinder, and the output of locking cylinder is connected with moving beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110186300A CN102322083A (en) | 2011-07-05 | 2011-07-05 | Hydraulic shifting mechanism of rear excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110186300A CN102322083A (en) | 2011-07-05 | 2011-07-05 | Hydraulic shifting mechanism of rear excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102322083A true CN102322083A (en) | 2012-01-18 |
Family
ID=45449907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110186300A Pending CN102322083A (en) | 2011-07-05 | 2011-07-05 | Hydraulic shifting mechanism of rear excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102322083A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2834489A (en) * | 1956-06-21 | 1958-05-13 | Massey Harris Ferguson Inc | Mechanical shovel |
| GB858421A (en) * | 1956-04-09 | 1961-01-11 | Mid Western Ind Inc | Improvements relating to mechanical excavators |
| SU1712552A1 (en) * | 1989-08-07 | 1992-02-15 | Научно-производственное объединение по механизации, роботизации труда и совершенствованию ремонтного обеспечения на предприятиях черной металлургии "Черметмеханизация" | Trailer scoop shovel |
| WO2001003994A1 (en) * | 1999-07-09 | 2001-01-18 | Safe Transportation Systems Inc. | Tractor trailer anti-jackknifing assembly |
| CN2625366Y (en) * | 2003-05-14 | 2004-07-14 | 孙广太 | Suspended type cable trailer used in larry power supplying for gantry crane and bridge crane |
| CN2772252Y (en) * | 2005-03-14 | 2006-04-19 | 庄宝玉 | Shear of tobacco seedling |
| CN1831506A (en) * | 2006-04-21 | 2006-09-13 | 北京航空航天大学 | Trolley for testing planetary detection vehicle wheel moving performance |
| CN101602469A (en) * | 2009-06-26 | 2009-12-16 | 太原矿机电气发展有限公司 | Curving-type monorail crane and traveling method thereof |
| CN201588248U (en) * | 2009-11-27 | 2010-09-22 | 常州汉森机械有限公司 | Hydraulic moving mechanism for rear excavators |
| CN102091900A (en) * | 2010-12-27 | 2011-06-15 | 重汽集团专用汽车公司 | Air clamper for movably welding carriage part |
| CN202187382U (en) * | 2011-07-05 | 2012-04-11 | 常州汉森机械有限公司 | Hydraulic travel mechanism for rear excavator |
-
2011
- 2011-07-05 CN CN201110186300A patent/CN102322083A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB858421A (en) * | 1956-04-09 | 1961-01-11 | Mid Western Ind Inc | Improvements relating to mechanical excavators |
| US2834489A (en) * | 1956-06-21 | 1958-05-13 | Massey Harris Ferguson Inc | Mechanical shovel |
| SU1712552A1 (en) * | 1989-08-07 | 1992-02-15 | Научно-производственное объединение по механизации, роботизации труда и совершенствованию ремонтного обеспечения на предприятиях черной металлургии "Черметмеханизация" | Trailer scoop shovel |
| WO2001003994A1 (en) * | 1999-07-09 | 2001-01-18 | Safe Transportation Systems Inc. | Tractor trailer anti-jackknifing assembly |
| CN2625366Y (en) * | 2003-05-14 | 2004-07-14 | 孙广太 | Suspended type cable trailer used in larry power supplying for gantry crane and bridge crane |
| CN2772252Y (en) * | 2005-03-14 | 2006-04-19 | 庄宝玉 | Shear of tobacco seedling |
| CN1831506A (en) * | 2006-04-21 | 2006-09-13 | 北京航空航天大学 | Trolley for testing planetary detection vehicle wheel moving performance |
| CN101602469A (en) * | 2009-06-26 | 2009-12-16 | 太原矿机电气发展有限公司 | Curving-type monorail crane and traveling method thereof |
| CN201588248U (en) * | 2009-11-27 | 2010-09-22 | 常州汉森机械有限公司 | Hydraulic moving mechanism for rear excavators |
| CN102091900A (en) * | 2010-12-27 | 2011-06-15 | 重汽集团专用汽车公司 | Air clamper for movably welding carriage part |
| CN202187382U (en) * | 2011-07-05 | 2012-04-11 | 常州汉森机械有限公司 | Hydraulic travel mechanism for rear excavator |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120118 |