CN202519715U - Rotating mechanism for excavator working device - Google Patents
Rotating mechanism for excavator working device Download PDFInfo
- Publication number
- CN202519715U CN202519715U CN2012201746453U CN201220174645U CN202519715U CN 202519715 U CN202519715 U CN 202519715U CN 2012201746453 U CN2012201746453 U CN 2012201746453U CN 201220174645 U CN201220174645 U CN 201220174645U CN 202519715 U CN202519715 U CN 202519715U
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- China
- Prior art keywords
- arm
- swing arm
- gear shaft
- excavator
- oil cylinder
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- Expired - Fee Related
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Abstract
The utility model relates to a rotating mechanism for an excavator working device, relating to a mechanically-driven excavator. The rotating mechanism for the excavator working device comprises a movable arm, a movable arm oil cylinder, a gear shaft, a rack, a rotating oil cylinder, a rotating arm, a bucket arm oil cylinder, a bucket arm, a bucket oil cylinder, a rocker, a connecting rod, a bucket and two guide sleeves, wherein the rotating oil cylinder drives a piston rod part of the rotating oil cylinder to drive the rack to slide along the two guide sleeves; the rack slides from one end to the other end and can drive the gear shaft to rotate from minus 90 DEG to plus DEG; the rack is meshed with the gear shaft to drive the gear shaft to rotate; and the gear shaft drives the rotating arm to rotate, so that the excavator working device is rotated. The mechanism can rotate the working device under the condition that the machine body of the excavator is not rotated, can avoid obstacles through the rotation, and overcomes the defects that the excavator body of the conventional excavator cannot be rotated in narrow spaces at the work place, and the conventional excavator cannot be normally operated under the working conditions of the operation in the severe environment of obstacle blockage, channel limitation and the like.
Description
Technical field
The technical scheme of the utility model relates to mechanically operated excavator, specifically a kind of digger operating device rotating mechanism.
Background technology
Along with the extensive use of construction site engineering machinery, present mechanically operated excavator has replaced excavator manually.In order to adapt to the diversified new demand that in use constantly occurs, mechanically operated excavator is also constantly improving and innovation.Disclosed a kind of device and the disclosed a kind of device that excavator digs the arm anglec of rotation that enlarges of CN2732841 that enlarges the excavator anglec of rotation of CN2732840 all is that to be used in the job site be the excavator that broad space is operated.But existing excavator all can't can not rotate at the narrow excavator base machine in space, job site, have obstruction to stop and adverse circumstances such as irrigation canals and ditches restriction in carry out operate as normal under the operating mode of operation.
Summary of the invention
The utility model technical problem to be solved is: a kind of digger operating device rotating mechanism is provided; This mechanism can realize the rotation of equipment under the situation that excavator base machine does not rotate; Can also be through rotation cut-through thing, overcome existing excavator all can't can not rotate at the narrow excavator base machine in space, job site, have obstruction to stop and adverse circumstances such as irrigation canals and ditches restriction in carry out the defective of operate as normal under the operating mode of operation.
The utility model solves this technical problem the technical scheme that is adopted: a kind of digger operating device rotating mechanism comprises swing arm, boom cylinder, gear shaft, tooth bar, rotary oil cylinder, turning arm, bucket arm cylinder, dipper, bucket cylinder, rocking bar, connecting rod, scraper bowl and two guide pin bushings; Said swing arm and boom cylinder are hinged, and the front portion of this swing arm is a cavity body structure, are mounted with gear shaft, tooth bar and two guide pin bushings in the anterior cavity of swing arm; Gear shaft places on former and later two rolling bearings in the anterior cavity of swing arm, and gear shaft front end and turning arm one end are fixed, the engagement of rack and pinion axle; The both sides of tooth bar are entangled by two guide pin bushings respectively; Can slide along two guide pin bushings, be fixed on about two guide pin bushings divide on the inwall at anterior cavity two of swing arm, rotary oil cylinder is fixed on the swing arm; The piston rod of rotary oil cylinder part then is positioned in the sealing and be connected with tooth bar one end in placing swing arm front portion cavity of anterior cavity of swing arm; The turning arm other end and dipper are hinged, and the bucket arm cylinder two ends are hinged with turning arm and dipper respectively, and bucket cylinder, rocking bar, connecting rod and scraper bowl are hinged each other.
Above-mentioned a kind of digger operating device rotating mechanism; Said tooth bar slides along two guide pin bushings; Be that piston rod through rotary oil cylinder driven in rotation oil cylinder partly drives tooth bar and slides along two guide pin bushings, tooth bar slides into the other end from an end and can rotate to+90 degree from-90 degree by the driven gear axle, and engagement of rack and pinion axle and driven gear axle rotate; Gear shaft driven rotary arm rotation again, thereby the rotation of realization digger operating device.
A kind of digger operating device rotating mechanism, the source of the specification of wherein said component, the material of component, component and connection thereof and fixing means all are that the technician in present technique field knows.
The beneficial effect of the utility model is: compare with existing excavator; The outstanding substantive distinguishing features of a kind of digger operating device rotating mechanism of the utility model is; The swing arm of existing excavator is divided for two parts: swing arm and turning arm, under the driving action of rotary oil cylinder, the piston rod of rotary oil cylinder drives tooth bar and slides along guide pin bushing; Tooth bar slides into the other end from an end and can rotate to+90 degree from-90 degree by the driven gear axle; And the driven gear axle rotates, because the gear shaft front end fixes with turning arm, thus the rotation of realization digger operating device.Rotation and then drive dipper and the rotation of scraper bowl miscellaneous part through turning arm; Increased the working range of digger operating device; And narrow space, have obstruction to stop and adverse circumstances such as irrigation canals and ditches restriction in handle a situation with ease, thereby overcome existing excavator all can't can not rotate at the narrow excavator base machine in space, job site, have obstruction to stop and adverse circumstances such as irrigation canals and ditches restriction in carry out the defective of operate as normal under the operating mode of operation.
A kind of digger operating device rotating mechanism of the utility model simple in structure, easy to operate, cost is low, and digging efficiency is high.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the whole front section view of a kind of digger operating device rotating mechanism of the utility model.
Fig. 2 is the swing arm partial sectional view of a kind of digger operating device rotating mechanism of the utility model.
Fig. 3 is the sectional view of gear shaft and the tooth bar engagement in a kind of digger operating device rotating mechanism of the utility model.
Among the figure, 1. swing arm, 2. boom cylinder, 3. gear shaft, 4. tooth bar, 5. rotary oil cylinder, 6. turning arm, 7. bucket arm cylinder, 8. dipper, 9. bucket cylinder, 10. rocking bar, 11. connecting rods, 12. scraper bowls, 13. guide pin bushings, the piston rod part of 14. rotary oil cylinders.
The specific embodiment
Embodiment illustrated in fig. 1 showing; The swing arm (1) of a kind of digger operating device rotating mechanism of the utility model is hinged with boom cylinder (2); Gear shaft (3) is embedded in the anterior cavity of swing arm (1); One fixing with turning arm (6), and mesh with the interior tooth bar (4) of the anterior cavity that is placed in swing arm (1), and rotary oil cylinder (5) is fixed on the swing arm (1); The other end of turning arm (6) and dipper (8) are hinged; Bucket arm cylinder (7) two ends are hinged with turning arm (6) and dipper (8) respectively, and it is hinged each other for bucket cylinder (9), rocking bar (10), connecting rod (11) and scraper bowl (12), constitute the integral body of a kind of digger operating device rotating mechanism of the utility model thus.
Embodiment illustrated in fig. 2 showing; Structure in the cavity of the swing arm (1) of a kind of digger operating device rotating mechanism of the utility model is: gear shaft (3) is embedded in the anterior cavity of swing arm (1); Be that gear shaft (3) places on former and later two rolling bearings in the anterior cavity of swing arm (1) specifically; Gear shaft (3) front end and turning arm (6) are fixing, tooth bar (4) and gear shaft (3) engagement.
Embodiment illustrated in fig. 3 showing; Gear shaft (3) in a kind of digger operating device rotating mechanism of the utility model with tooth bar (4) engagement situation is: be mounted with gear shaft (3), tooth bar (4) and two guide pin bushings (13) in the anterior cavity of swing arm (1); Tooth bar (4) and gear shaft (3) engagement; Two guide pin bushings (13) entangle tooth bar (4) two ends on one side respectively; Be fixed on the anterior cavity inner wall two ends of swing arm (1) about two guide pin bushings (13) divide, the piston rod part (14) of rotary oil cylinder be positioned in swing arm (1) anterior cavity seal and tooth bar (4) one ends interior with placing the anterior cavity of swing arm (1) are connected.
Embodiment 1
A kind of digger operating device rotating mechanism of present embodiment comprises swing arm (1), boom cylinder (2), gear shaft (3), tooth bar (4), rotary oil cylinder (5), turning arm (6), bucket arm cylinder (7), dipper (8), bucket cylinder (9), rocking bar (10), connecting rod (11), scraper bowl (12) and two guide pin bushings (13); Said swing arm (1) is hinged with boom cylinder (2); The front portion of this swing arm (1) is a cavity body structure; Be mounted with gear shaft (3), tooth bar (4) and two guide pin bushings (13) in the anterior cavity of swing arm (1); Gear shaft (3) places on former and later two rolling bearings in the anterior cavity of swing arm (1), and gear shaft (3) front end and turning arm (6) one ends are fixed, tooth bar (4) and gear shaft (3) engagement; The both sides of tooth bar (4) are entangled by two guide pin bushings (13) respectively; Can slide along two guide pin bushings (13), be fixed on about two guide pin bushings (13) divide on the inwall at anterior cavity two of swing arm (1), with the space that provides tooth bar (4) to slide; Tooth bar (4) can be slided along two guide pin bushings (13); Rotary oil cylinder (5) is fixed on the swing arm (1), the piston rod of rotary oil cylinder part (14) then be positioned in swing arm (1) anterior cavity seal and tooth bar (4) one ends interior with placing the anterior cavity of swing arm (1) are connected, turning arm (6) other end and dipper (8) are hinged; Bucket arm cylinder (7) two ends are hinged with turning arm (6) and dipper (8) respectively, and bucket cylinder (9), rocking bar (10), connecting rod (11) and scraper bowl (12) are hinged each other.
When a kind of digger operating device rotating mechanism of present embodiment started building to do, boom cylinder (2) drove swing arm (1) oscilaltion; Under the driving action of rotary oil cylinder (5); The piston rod part (14) of rotary oil cylinder drives tooth bar (4) and slides along two guide pin bushings (13); Tooth bar (4) slides into the other end from an end and can rotate to+90 degree from-90 degree by driven gear axle (3); And driven gear axle (3) rotation, the rotation of gear shaft (3) is the rotation of driven rotary arm (6) rotation realization equipment again; It is elastic that bucket arm cylinder (7) drives dipper (8), and bucket cylinder (9) excavates material through rocking bar (10) and connecting rod (11) control scraper bowl (12).
The source of the specification of a kind of digger operating device rotating mechanism of the foregoing description related component in moving, the material of component, component and connection thereof and fixing means all are that the technician in present technique field knows.
Claims (1)
1. a digger operating device rotating mechanism is characterized in that: comprise swing arm, boom cylinder, gear shaft, tooth bar, rotary oil cylinder, turning arm, bucket arm cylinder, dipper, bucket cylinder, rocking bar, connecting rod, scraper bowl and two guide pin bushings; Said swing arm and boom cylinder are hinged, and the front portion of this swing arm is a cavity body structure, are mounted with gear shaft, tooth bar and two guide pin bushings in the anterior cavity of swing arm; Gear shaft places on former and later two rolling bearings in the anterior cavity of swing arm, and gear shaft front end and turning arm one end are fixed, the engagement of rack and pinion axle; The both sides of tooth bar are entangled by two guide pin bushings respectively; Can slide along two guide pin bushings, be fixed on about two guide pin bushings divide on the inwall at anterior cavity two of swing arm, rotary oil cylinder is fixed on the swing arm; The piston rod of rotary oil cylinder part then is positioned in the sealing and be connected with tooth bar one end in placing swing arm front portion cavity of anterior cavity of swing arm; The turning arm other end and dipper are hinged, and the bucket arm cylinder two ends are hinged with turning arm and dipper respectively, and bucket cylinder, rocking bar, connecting rod and scraper bowl are hinged each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201746453U CN202519715U (en) | 2012-04-24 | 2012-04-24 | Rotating mechanism for excavator working device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201746453U CN202519715U (en) | 2012-04-24 | 2012-04-24 | Rotating mechanism for excavator working device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202519715U true CN202519715U (en) | 2012-11-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201746453U Expired - Fee Related CN202519715U (en) | 2012-04-24 | 2012-04-24 | Rotating mechanism for excavator working device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202519715U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605814A (en) * | 2012-04-24 | 2012-07-25 | 河北工业大学 | Rotating mechanism for excavator working device |
| CN103266639A (en) * | 2013-05-27 | 2013-08-28 | 陈景华 | Hydraulic excavator swing arm structure |
| CN107429497A (en) * | 2014-10-13 | 2017-12-01 | 景园技术股份公司 | Excavator dipper with rotating device |
| RU2764681C1 (en) * | 2021-01-11 | 2022-01-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Воронежский государственный технический университет" | Rotary mechanism of hydraulic excavator bucket |
-
2012
- 2012-04-24 CN CN2012201746453U patent/CN202519715U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605814A (en) * | 2012-04-24 | 2012-07-25 | 河北工业大学 | Rotating mechanism for excavator working device |
| CN102605814B (en) * | 2012-04-24 | 2014-06-11 | 河北工业大学 | Rotating mechanism for excavator working device |
| CN103266639A (en) * | 2013-05-27 | 2013-08-28 | 陈景华 | Hydraulic excavator swing arm structure |
| CN107429497A (en) * | 2014-10-13 | 2017-12-01 | 景园技术股份公司 | Excavator dipper with rotating device |
| RU2764681C1 (en) * | 2021-01-11 | 2022-01-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Воронежский государственный технический университет" | Rotary mechanism of hydraulic excavator bucket |
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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: 20121107 Termination date: 20160424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |