CN107740450A - It is easy to the clip type forearm of adjustment work scope - Google Patents
It is easy to the clip type forearm of adjustment work scope Download PDFInfo
- Publication number
- CN107740450A CN107740450A CN201711234055.9A CN201711234055A CN107740450A CN 107740450 A CN107740450 A CN 107740450A CN 201711234055 A CN201711234055 A CN 201711234055A CN 107740450 A CN107740450 A CN 107740450A
- Authority
- CN
- China
- Prior art keywords
- hole
- fixed via
- hook portion
- intermediate plate
- clamping piece
- 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
Links
- 210000000245 forearm Anatomy 0.000 title claims abstract description 17
- 230000033228 biological regulation Effects 0.000 claims abstract description 35
- 239000011435 rock Substances 0.000 abstract description 20
- 230000007547 defect Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of clip type forearm for being easy to adjustment work scope, hook portion is dug including upper clamping part and lower clamping piece, upper clamping part includes leaving the left clamping plate in clamping gap and right clamping plate, the top that lower clamping piece digs hook portion is connected in clamping gap, the bottom of left clamping plate is provided with left fixed via and Left Angle regulation through hole, Left Angle regulation through hole has two or more, the bottom of right clamping plate is provided with the right fixed via being correspondingly arranged with left fixed via and the right angular adjustment through hole being correspondingly arranged with Left Angle regulation through hole, the top that lower clamping piece digs hook portion is provided with intermediate plate fixed via and intermediate plate angle adjustment holes, left fixed via, it is connected between intermediate plate fixed via and right fixed via by bearing pin, Left Angle adjusts through hole, it is connected between intermediate plate angular adjustment through hole and right angular adjustment through hole also by bearing pin.Solve the problems, such as to be used for the mechanism existing defects with digging hook connects on existing digging hook rock arm.
Description
Technical field
The present invention relates to excavating equipment field, and in particular to a kind of clip type forearm for being easy to adjustment work scope.
Background technology
It is typically to be used for carrying out digging hook and rock is excavated, dug to dig hook rock arm, digs hook rock arm by size
Arm and digging hook are formed, and big forearm, which can play a part of dominating, digs hook action, wherein the large arm in big forearm is connected with frame, and arm
Longer, so being commonly called as large arm, forearm is connected with digging hook, and arm is smaller, so being commonly called as forearm.
Either the existing hook rock arm that digs is adjusted by oil cylinder to the angle for digging hook, or it is exactly fixed to dig hook
, both all existing defects, the angle for digging hook is adjusted by oil cylinder, this structure is produced anti-caused by broken rock
Active force is easily damaged oil cylinder, and uses the fixed hook that will dig to fix, although so rock breaking efficiency is good, and does not use
Oil cylinder, oil cylinder will not be damaged, but the angle for digging hook can not be adjusted, the working range and function of rock arm just receive
Limitation.
The content of the invention
It is an object of the invention to provide a kind of clip type forearm for being easy to adjustment work scope, solves existing digging hook rock
The problem of being used for the mechanism existing defects with digging hook connects on stone arm.
To solve above-mentioned technical problem, the present invention uses following technical scheme：
A kind of clip type forearm for being easy to adjustment work scope, including upper clamping part and lower clamping piece dig hook portion, the upper clamping part
Including the left clamping plate being arranged side by side and right clamping plate, clamping gap is left between left clamping plate and right clamping plate, lower clamping piece digs the upper of hook portion
Portion is connected to the bottom in clamping gap, and the bottom of left clamping plate is provided with left fixed via and Left Angle regulation through hole, Left Angle regulation
Through hole has two or more, and all Left Angles are adjusted through hole and are placed equidistant using left fixed via as the center of circle around left fixed via,
The bottom of right clamping plate is provided with the right fixed via being correspondingly arranged with left fixed via and adjusts what through hole was correspondingly arranged with Left Angle
Right angular adjustment through hole, the top that lower clamping piece digs hook portion are provided with intermediate plate fixed via and intermediate plate angle adjustment holes, and intermediate plate angle is adjusted
The distance between knothole and intermediate plate fixed via are equal to the spacing between Left Angle regulation through hole and left fixed via, and left fixation is led to
Be connected between hole, intermediate plate fixed via and right fixed via by bearing pin, Left Angle regulation through hole, intermediate plate angular adjustment through hole and
It is connected between right angular adjustment through hole also by bearing pin.
Lower clamping piece is dug to the clamping gap inserted between left intermediate plate and right clamping piece on the top of hook portion, makes left fixed via, folder
Piece fixed via and the alignment of right fixed via, after alignment using first bearing pin through left fixed via, intermediate plate fixed via and
The position that right fixed via digs hook portion to lower clamping piece is fixed, and lower clamping piece is dug hook portion after fixing and is turned around the bearing pin
Dynamic, adjustment lower clamping piece digs the position of hook portion, and the intermediate plate angle adjustment holes for making lower clamping piece dig in hook portion are directed at two Left Angle regulations
First in through hole, because right angular adjustment through hole and Left Angle regulation through hole are correspondingly arranged, therefore it is directed at first
After Left Angle regulation through hole, the intermediate plate angle adjustment holes that lower clamping piece is dug in hook portion also just targeted by two right angular adjustment through holes
First, if the lower clamping piece now felt of operating personnel digs the angle of hook portion properly just with second bearing pin through Left Angle tune
Through hole, intermediate plate angle adjustment holes and the right angular adjustment through hole are saved, digging hook portion to lower clamping piece is fixed, and so passes through two pins
Lower clamping piece can just be dug hook portion and fixed by axle, make rock breaking efficiency more preferable, if entered digging hook portion to lower clamping piece with second bearing pin
Before row is fixed, operating personnel think that the angle of lower clamping piece digging hook portion is improper, continue to rotate lower clamping piece digging around first bearing pin
Hook portion makes intermediate plate angle adjustment holes be directed at second Left Angle regulation through hole and second right angular adjustment to adjust its angle
Through hole, after adjustment, think that angle is suitable and adjust through hole, intermediate plate angular adjustment through second Left Angle with second bearing pin again
Hole and second right angular adjustment through hole dig hook portion to lower clamping piece and are fixed, by setting multiple Left Angles to adjust through hole and the right side
Angular adjustment through hole, just can very easily to lower clamping piece dig hook portion angle be adjusted, which solves in the prior art only
The problem of angle for digging hook being adjusted with oil cylinder, and simple in construction, regulation is got up convenient and swift, has both been eliminated to oil cylinder
Damage, be fixed again in broken rock, rock breaking efficiency is also more preferable.
As present invention further optimization, the left clamping plate and right clamping plate are by one or more than one short column phase
Even, short column is set along the edge of left clamping plate and right clamping plate.
Left clamping plate and right clamping plate are fixed and positioned using short column.
As present invention further optimization, it is hollow structure that the lower clamping piece, which digs hook portion, and lower clamping piece digs the middle part of hook portion
Provided with feeding port, the inner chamber that feeding port digs hook portion with lower clamping piece connects.
Feeding port is set, filling weightening material in the hollow structure of hook portion can be dug in lower clamping piece, so can be according to different
Situation, the fill material of different weight is inserted, lift its rock breaking efficiency.
As present invention further optimization, the lower clamping piece digs in the hollow structure of hook portion and is provided with support column.
Dug in lower clamping piece in the hollow structure of hook portion and support pillar is set, the stabilization that lower clamping piece digs hook structure can be improved
Property, make its more robust.
As present invention further optimization, the Left Angle regulation through hole has more than three, and intermediate plate angle adjustment holes have
Two, the arc length between two intermediate plate angle adjustment holes is equal to the arc length between adjacent two Left Angles regulation through hole.
The Left Angle regulation through hole and two intermediate plate angle adjustment holes for setting more than three are in order to use three bearing pins pair
Lower clamping piece digs hook portion and is fixed, and forms three-legged structure, it is so fixed more firmly, wherein one in three bearing pins be through
Left fixed via, intermediate plate fixed via and right fixed via, and there is provided two intermediate plate angle adjustment holes after, to complete pair
Lower clamping piece digs the angular adjustment of hook portion, just must be provided with the Left Angle regulation through hole of more than three and adjusts through hole with Left Angle
It is correspondingly arranged more than three right angular adjustment through holes.
As present invention further optimization, the bearing pin includes jack-post and plug, and the outside at jack-post both ends is provided with outer spiral shell
Line, jack-post through hole is provided with the middle part of plug, and the inner side of jack-post through hole is provided with the internal thread being adapted with external screw thread on the outside of jack-post.
Compared with prior art, the present invention can at least reach one in following beneficial effect：
1. solving the defects of being used to exist with the mechanism for digging hook connects on existing digging hook rock arm, good broken rock both ensure that
Effect, moreover it is possible to conveniently adjusted to the angle for digging hook.
2. the weight of itself can be adjusted, make rock breaking efficiency more preferable.
3. the stability of structure is high.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 right view.
Fig. 3 is Fig. 1 left view.
Fig. 4 is the structural representation of bearing pin of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Specific embodiment 1：
Fig. 1, Fig. 2, Fig. 3, Fig. 4 show a kind of clip type forearm for being easy to adjustment work scope, including upper clamping part and lower folder
Piece digs hook portion 1, and the upper clamping part includes the left clamping plate 2 and right clamping plate 3 being arranged side by side, left between left clamping plate 2 and right clamping plate 3
Gap 4 is clamped, the top that lower clamping piece digs hook portion 1 is connected to the bottom for clamping gap 4, and the bottom of left clamping plate 2 leads to provided with left fixation
Hole 21 and Left Angle regulation through hole 22, Left Angle regulation through hole 22 have two or more, and all Left Angles adjust through hole 22 with a left side
Fixed via 21 is that the center of circle is placed equidistant around left fixed via 21, and the bottom of right clamping plate 3 is provided with corresponding with left fixed via 21
The right fixed via 31 set and the right angular adjustment through hole 32 being correspondingly arranged with Left Angle regulation through hole 22, lower clamping piece dig hook portion
1 top is provided with intermediate plate fixed via 11 and intermediate plate angle adjustment holes 12, intermediate plate angle adjustment holes 12 and intermediate plate fixed via 11
The distance between be equal to Left Angle regulation through hole 22 and left fixed via 21 between spacing, left fixed via 21, intermediate plate are fixed
It is connected between through hole 11 and right fixed via 31 by bearing pin 5, Left Angle regulation through hole 22, intermediate plate angular adjustment through hole 12 and the right side
It is connected between angular adjustment through hole 32 also by bearing pin 5.
Lower clamping piece is dug to the clamping gap inserted between left intermediate plate and right clamping piece on the top of hook portion, makes left fixed via, folder
Piece fixed via and the alignment of right fixed via, after alignment using first bearing pin through left fixed via, intermediate plate fixed via and
The position that right fixed via digs hook portion to lower clamping piece is fixed, and lower clamping piece is dug hook portion after fixing and is turned around the bearing pin
Dynamic, adjustment lower clamping piece digs the position of hook portion, and the intermediate plate angle adjustment holes for making lower clamping piece dig in hook portion are directed at two Left Angle regulations
First in through hole, because right angular adjustment through hole and Left Angle regulation through hole are correspondingly arranged, therefore it is directed at first
After Left Angle regulation through hole, the intermediate plate angle adjustment holes that lower clamping piece is dug in hook portion also just targeted by two right angular adjustment through holes
First, if the lower clamping piece now felt of operating personnel digs the angle of hook portion properly just with second bearing pin through Left Angle tune
Through hole, intermediate plate angle adjustment holes and the right angular adjustment through hole are saved, digging hook portion to lower clamping piece is fixed, and so passes through two pins
Lower clamping piece can just be dug hook portion and fixed by axle, make rock breaking efficiency more preferable, if entered digging hook portion to lower clamping piece with second bearing pin
Before row is fixed, operating personnel think that the angle of lower clamping piece digging hook portion is improper, continue to rotate lower clamping piece digging around first bearing pin
Hook portion makes intermediate plate angle adjustment holes be directed at second Left Angle regulation through hole and second right angular adjustment to adjust its angle
Through hole, after adjustment, think that angle is suitable and adjust through hole, intermediate plate angular adjustment through second Left Angle with second bearing pin again
Hole and second right angular adjustment through hole dig hook portion to lower clamping piece and are fixed, by setting multiple Left Angles to adjust through hole and the right side
Angular adjustment through hole, just can very easily to lower clamping piece dig hook portion angle be adjusted, which solves in the prior art only
The problem of angle for digging hook being adjusted with oil cylinder, and simple in construction, regulation is got up convenient and swift, has both been eliminated to oil cylinder
Damage, be fixed again in broken rock, rock breaking efficiency is also more preferable.
Specific embodiment 2：
The present embodiment is that the connected mode between left clamping plate 2 and right clamping plate 3 has been carried out entering one on the basis of specific embodiment 1
The explanation of step, the left clamping plate 2 are connected with right clamping plate 3 by one or more than one short column 6, and short column 6 is along the left He of clamping plate 2
The edge of right clamping plate 3 is set.
Left clamping plate and right clamping plate are fixed and positioned using short column.
Specific embodiment 3：
The present embodiment is to dig hook portion 1 to lower clamping piece on the basis of specific embodiment 1 to have carried out further instruction, the lower folder
It is hollow structure that piece, which digs hook portion 1, and the middle part that lower clamping piece digs hook portion 1 is provided with feeding port 13, and feeding port 13 digs hook portion 1 with lower clamping piece
Inner chamber connects.
Feeding port is set, filling weightening material in the hollow structure of hook portion can be dug in lower clamping piece, so can be according to different
Situation, the fill material of different weight is inserted, lift its rock breaking efficiency.
Specific embodiment 4：
The present embodiment is that support column is additionally arranged on the basis of specific embodiment 3, and the lower clamping piece is dug in the hollow structure of hook portion 1
Provided with support column.
Dug in lower clamping piece in the hollow structure of hook portion and support pillar is set, the stabilization that lower clamping piece digs hook structure can be improved
Property, make its more robust.
Specific embodiment 5：
The present embodiment is to adjust through hole 22 and the progress of intermediate plate angle adjustment holes 12 to Left Angle on the basis of specific embodiment 1
Further instruction, the Left Angle regulation through hole 22 have more than three, and intermediate plate angle adjustment holes 12 have two, two intermediate plate angles
Spend the arc length that the arc length between adjustment hole 12 is equal between adjacent two Left Angles regulation through hole 22.
The Left Angle regulation through hole and two intermediate plate angle adjustment holes for setting more than three are in order to use three bearing pins pair
Lower clamping piece digs hook portion and is fixed, and forms three-legged structure, it is so fixed more firmly, wherein one in three bearing pins be through
Left fixed via, intermediate plate fixed via and right fixed via, and there is provided two intermediate plate angle adjustment holes after, to complete pair
Lower clamping piece digs the angular adjustment of hook portion, just must be provided with the Left Angle regulation through hole of more than three and adjusts through hole with Left Angle
It is correspondingly arranged more than three right angular adjustment through holes.
Specific embodiment 6：
The present embodiment is to have carried out further instruction to bearing pin 5 on the basis of specific embodiment 1, and the bearing pin 5 includes axle
Post 51 and plug 52, the outside at the both ends of jack-post 51 are provided with external screw thread, and the middle part of plug 52 is provided with jack-post through hole 521, jack-post through hole
521 inner side is provided with the internal thread being adapted with the outside external screw thread of jack-post 51.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can in the range of disclosure, drawings and claims
A variety of variations and modifications are carried out with the building block to theme combination layout and/or layout.Except to building block and/or layout
Outside the modification and improvement of progress, to those skilled in the art, other purposes also will be apparent.
Claims (6)
1. a kind of clip type forearm for being easy to adjustment work scope, including upper clamping part and lower clamping piece dig hook portion（1）, its feature exists
In：The upper clamping part includes the left clamping plate being arranged side by side（2）With right clamping plate（3）, left clamping plate（2）With right clamping plate（3）Between stay
There is clamping gap（4）, lower clamping piece digging hook portion（1）Top be connected to clamping gap（4）Bottom, left clamping plate（2）Bottom set
There is left fixed via（21）Through hole is adjusted with Left Angle（22）, Left Angle regulation through hole（22）There are two or more, all left comer
Degree regulation through hole（22）With left fixed via（21）It is that the center of circle surround left fixed via（21）It is placed equidistant, right clamping plate（3）Under
Portion is provided with and left fixed via（21）The right fixed via being correspondingly arranged（31）Through hole is adjusted with Left Angle（22）It is correspondingly arranged
Right angular adjustment through hole（32）, lower clamping piece digging hook portion（1）Top be provided with intermediate plate fixed via（11）With intermediate plate angular adjustment
Hole（12）, intermediate plate angle adjustment holes（12）With intermediate plate fixed via（11）The distance between be equal to Left Angle regulation through hole（22）With
Left fixed via（21）Between spacing, left fixed via（21）, intermediate plate fixed via（11）With right fixed via（31）Between
Pass through bearing pin（5）It is connected, Left Angle regulation through hole（22）, intermediate plate angular adjustment through hole（12）With right angular adjustment through hole（32）It
Between also by bearing pin（5）It is connected.
2. the clip type forearm according to claim 1 for being easy to adjustment work scope, it is characterised in that：The left clamping plate
（2）With right clamping plate（3）Pass through one or more than one short column（6）It is connected, short column（6）Along left clamping plate（2）With right clamping plate（3）
Edge set.
3. the clip type forearm according to claim 1 for being easy to adjustment work scope, it is characterised in that：The lower clamping piece is dug
Hook portion（1）For hollow structure, lower clamping piece digs hook portion（1）Middle part be provided with feeding port（13）, feeding port（13）Hook is dug with lower clamping piece
Portion（1）Inner chamber connection.
4. the clip type forearm according to claim 3 for being easy to adjustment work scope, it is characterised in that：The lower clamping piece is dug
Hook portion（1）Hollow structure in be provided with support column.
5. the clip type forearm according to claim 1 for being easy to adjustment work scope, it is characterised in that：The Left Angle is adjusted
Save through hole（22）There are more than three, intermediate plate angle adjustment holes（12）There are two, two intermediate plate angle adjustment holes（12）Between arc
It is long to be equal to adjacent two Left Angles regulation through hole（22）Between arc length.
6. the clip type forearm according to claim 1 for being easy to adjustment work scope, it is characterised in that：The bearing pin（5）
Including jack-post（51）And plug（52）, jack-post（51）The outside at both ends is provided with external screw thread, plug（52）Middle part be provided with jack-post and lead to
Hole（521）, jack-post through hole（521）Inner side be provided with and jack-post（51）The internal thread that outside external screw thread is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234055.9A CN107740450B (en) | 2017-11-30 | 2017-11-30 | Clamping piece type small arm convenient for adjusting working range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234055.9A CN107740450B (en) | 2017-11-30 | 2017-11-30 | Clamping piece type small arm convenient for adjusting working range |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107740450A true CN107740450A (en) | 2018-02-27 |
| CN107740450B CN107740450B (en) | 2023-11-03 |
Family
ID=61239735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711234055.9A Active CN107740450B (en) | 2017-11-30 | 2017-11-30 | Clamping piece type small arm convenient for adjusting working range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107740450B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2049383A (en) * | 1979-04-24 | 1980-12-31 | Fiat Allis Macch Movi | Scarifier |
| WO2004076754A1 (en) * | 2003-02-26 | 2004-09-10 | Shin Caterpillar Mitsubishi Ltd. | Arm angle sensor device in construction machine |
| CN102085588A (en) * | 2009-12-04 | 2011-06-08 | 汉达精密电子(昆山)有限公司 | All-angle discharge fixture |
| US20120187744A1 (en) * | 2009-07-16 | 2012-07-26 | Javier Aracama Martinez De Lahidalga | Hydraulic ripper for excavators |
| JP5283141B1 (en) * | 2012-05-18 | 2013-09-04 | 茂 中村 | scoop |
| CN103397671A (en) * | 2013-08-24 | 2013-11-20 | 安徽宏昌机电装备制造有限公司 | Digging device of mine digging type loader |
| CN203296090U (en) * | 2013-07-03 | 2013-11-20 | 成都凯隆机械维修有限公司 | Large arm and small arm structure of excavator |
| CN203684308U (en) * | 2013-12-20 | 2014-07-02 | 成都凯隆机械维修有限公司 | Soil loosening device for increasing strength of excavator |
| CN204690827U (en) * | 2015-06-02 | 2015-10-07 | 温州瓯科科技有限公司 | A kind of earth moving machinery Special indexing device |
| CN207582531U (en) * | 2017-11-30 | 2018-07-06 | 成都凯隆机械维修有限公司 | The clip type forearm of angle can be adjusted |
-
2017
- 2017-11-30 CN CN201711234055.9A patent/CN107740450B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2049383A (en) * | 1979-04-24 | 1980-12-31 | Fiat Allis Macch Movi | Scarifier |
| WO2004076754A1 (en) * | 2003-02-26 | 2004-09-10 | Shin Caterpillar Mitsubishi Ltd. | Arm angle sensor device in construction machine |
| US20120187744A1 (en) * | 2009-07-16 | 2012-07-26 | Javier Aracama Martinez De Lahidalga | Hydraulic ripper for excavators |
| CN102085588A (en) * | 2009-12-04 | 2011-06-08 | 汉达精密电子(昆山)有限公司 | All-angle discharge fixture |
| JP5283141B1 (en) * | 2012-05-18 | 2013-09-04 | 茂 中村 | scoop |
| CN203296090U (en) * | 2013-07-03 | 2013-11-20 | 成都凯隆机械维修有限公司 | Large arm and small arm structure of excavator |
| CN103397671A (en) * | 2013-08-24 | 2013-11-20 | 安徽宏昌机电装备制造有限公司 | Digging device of mine digging type loader |
| CN203684308U (en) * | 2013-12-20 | 2014-07-02 | 成都凯隆机械维修有限公司 | Soil loosening device for increasing strength of excavator |
| CN204690827U (en) * | 2015-06-02 | 2015-10-07 | 温州瓯科科技有限公司 | A kind of earth moving machinery Special indexing device |
| CN207582531U (en) * | 2017-11-30 | 2018-07-06 | 成都凯隆机械维修有限公司 | The clip type forearm of angle can be adjusted |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107740450B (en) | 2023-11-03 |
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