CN2642845Y - Digging mechanism - Google Patents
Digging mechanism Download PDFInfo
- Publication number
- CN2642845Y CN2642845Y CN 03278251 CN03278251U CN2642845Y CN 2642845 Y CN2642845 Y CN 2642845Y CN 03278251 CN03278251 CN 03278251 CN 03278251 U CN03278251 U CN 03278251U CN 2642845 Y CN2642845 Y CN 2642845Y
- Authority
- CN
- China
- Prior art keywords
- telescopic arm
- hinged
- slide block
- bucket
- oil cylinder
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a rotating bucket digging mechanism on a digging machine, which comprises a telescopic arm and a digging bucket, wherein a pin seat is arranged below the front end of the telescopic arm, the back part of the digging bucket is provided with an upper and a lower ear seats, wherein the lower ear seat is hinged on the pin seat; a fixed seat and an oil cylinder are arranged in the telescopic arm, and the back end of the oil cylinder is hinged on the fixed seat. The utility model is characterized in that a slide block is arranged in the telescopic arm, and forms a slide fit with the inner wall of the telescopic arm, and the front end of the oil cylinder is hinged on the slide block through a pin shaft; a connecting rod is arranged in the front section of the telescopic arm, one end of the connecting rod is hinged on the slide block, and the other end is hinged on the upper ear seat of the digging bucket. The digging mechanism has the advantages of high operation efficiency, and difficult damage to a piston rod of the oil cylinder.
Description
(1) technical field
The utility model relates to a kind of engineering machinery.Specifically, be turning bucket dig mechanism on the excavator.
(2) background technology
At present, used telescopic turning bucket dig mechanism mainly is made up of telescopic arm, bucket and oil cylinder on the excavator.There is key seat in telescopic arm front end bottom, and there are upper and lower two ear seats at the bucket rear portion, and lower ear base is hinged on the key seat of telescopic arm front end bottom.Oil cylinder is arranged in the telescopic arm, and an end of this oil cylinder directly is hinged on the inwall of telescopic arm, and the upper ear seat at the other end and bucket rear portion is hinged.Elongation by oil cylinder promotes the pin joint rotation of bucket around between its lower ear base and key seat, realizes the digging of bucket with this.Since the oil cylinder outer end of this digging mechanism directly and the upper ear seat of bucket be hinged, oil cylinder itself is subjected to the size restrictions of telescopic arm inner chamber around the gyration of pin joint, makes that the corner of bucket is less, bucket is difficult for filling during operation, operating efficiency is lower.Again because outside the piston rod of oil cylinder directly is hinged with the upper ear seat at bucket rear portion and is exposed to, during operation with cubic meter contact, fragile.
(3) summary of the invention
The purpose of this utility model is to provide a kind of digging mechanism.This digging mechanism, the operating efficiency height, and the piston rod of oil cylinder is not fragile.
Above-mentioned purpose of the present utility model is realized by following technical solution:
Digging mechanism of the present utility model comprises telescopic arm and bucket.There is key seat in telescopic arm front end bottom, and there is last lower ear base at the bucket rear portion, and lower ear base wherein is hinged on the key seat.Holder and oil cylinder are arranged in the telescopic arm, and the rear end of oil cylinder is hinged on the holder.Be characterized in that slide block is arranged in the telescopic arm, be between this slide block and telescopic arm inwall and be slidingly matched that the front end of oil cylinder is hinged on the slide block by bearing pin.In the leading portion of telescopic arm connecting rod is arranged, an end of this connecting rod is hinged on the slide block, and the other end is hinged on the upper ear seat of bucket.
Adopt such scheme, have the following advantages:
Owing in the telescopic arm slide block is arranged, bearing pin is arranged on the slide block, the piston rod end of oil cylinder is hinged on the slide block.Between slide block and bucket connecting rod is arranged, the two ends of this connecting rod are hinged with the upper ear seat at slide block and bucket rear portion respectively.During operation, an oil cylinder moving linearly, and promote slide block by oil cylinder and outwards move, promoting bucket by connecting rod again and rotate, the corner of bucket is bigger, and bucket is easily filled, and can improve operating efficiency.Because oil cylinder and piston rod thereof are in the telescopic arm all the time, do not contact during operation again with the cubic metre of earth and stone, not fragile.
(4) description of drawings
Fig. 1 is a digging mechanism structural representation of the present utility model;
Fig. 2 is the A-A cross-sectional schematic of the Fig. 1 through having amplified;
Fig. 3 is a digging mechanism worker view of the present utility model.
(5) specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, digging mechanism of the present utility model contains telescopic arm 7 and bucket 4.Telescopic arm 7 front end bottoms are welded with key seat 6, and the rear portion of bucket 4 is welded with upper ear seat 3 and lower ear base 5, and lower ear base 5 wherein is hinged by the key seat 6 of a bearing pin and telescopic arm 7 front end bottoms.Extremely before be disposed with holder 10, oil cylinder 9, slide block 1 and connecting rod 2 from the back in the telescopic arm 7,7 of holder 10 and telescopic arms fix.The rear end of oil cylinder 9 is hinged on the holder 10 with a bearing pin, and its front end is that the end of piston rod then is hinged on the slide block 1 by a bearing pin.One end of connecting rod 2 is hinged by a bearing pin and slide block 1, and the other end is hinged by the upper ear seat 3 at a bearing pin and bucket 4 rear portions.
Said slide block 1 cross section is similar to the cross section of telescopic arm 7, and is slightly less than telescopic arm 7, so that itself and 7 of telescopic arms are and are slidingly matched.
Be the loss of reducing friction, respectively be provided with two brake pads 8 on the upper and lower faces of slide block 1, these brake pads 8 all are fixed on the slide block 1 with screw 12.And all leaving gap 11 with 8 of two brake pads on the one side.
Claims (3)
1. a digging mechanism comprises telescopic arm (7) and bucket (4); There is key seat (6) in telescopic arm (7) front end bottom, and there is upper and lower ear seat (3,5) at bucket (4) rear portion, and lower ear base wherein (5) is hinged on the key seat (6); Holder (10) and oil cylinder (9) are arranged in the telescopic arm (7), and the rear end of oil cylinder (9) is hinged on the holder (10); It is characterized in that slide block (1) is arranged in the telescopic arm (7), be between this slide block and telescopic arm (7) inwall and be slidingly matched that the front end of oil cylinder (9) is hinged on the slide block (1) by bearing pin (11); Connecting rod (2) is arranged in the leading portion of telescopic arm (7), and an end of this connecting rod is hinged on the slide block (1), and the other end is hinged on the upper ear seat (3) of bucket (4).
2. digging mechanism according to claim 1 is characterized in that all being fixed with two brake pads (8) on the upper and lower surface of slide block (1).
3. digging mechanism according to claim 1 is characterized in that all leaving gap (11) between two brake pads (8) on slide block (1) upper surface and between two slide blocks (8) on the soffit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03278251 CN2642845Y (en) | 2003-09-02 | 2003-09-02 | Digging mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03278251 CN2642845Y (en) | 2003-09-02 | 2003-09-02 | Digging mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2642845Y true CN2642845Y (en) | 2004-09-22 |
Family
ID=34303217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03278251 Expired - Fee Related CN2642845Y (en) | 2003-09-02 | 2003-09-02 | Digging mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2642845Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332099C (en) * | 2005-04-22 | 2007-08-15 | 上海隧道工程股份有限公司 | Telescope feed type manipulator in backhoe digging, and application in tunnel shield machine and pipe pushing jack |
| CN102261084A (en) * | 2011-05-12 | 2011-11-30 | 北京建研机械科技有限公司 | Excavating mechanism |
| CN113152566A (en) * | 2021-03-26 | 2021-07-23 | 徐州徐工挖掘机械有限公司 | Automatic two opening and shutting buckets of unloading |
-
2003
- 2003-09-02 CN CN 03278251 patent/CN2642845Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332099C (en) * | 2005-04-22 | 2007-08-15 | 上海隧道工程股份有限公司 | Telescope feed type manipulator in backhoe digging, and application in tunnel shield machine and pipe pushing jack |
| CN102261084A (en) * | 2011-05-12 | 2011-11-30 | 北京建研机械科技有限公司 | Excavating mechanism |
| CN102261084B (en) * | 2011-05-12 | 2013-08-07 | 北京建研机械科技有限公司 | Excavating mechanism |
| CN113152566A (en) * | 2021-03-26 | 2021-07-23 | 徐州徐工挖掘机械有限公司 | Automatic two opening and shutting buckets of unloading |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040922 Termination date: 20091009 |