CN107740450B - Clamping piece type small arm convenient for adjusting working range - Google Patents
Clamping piece type small arm convenient for adjusting working range Download PDFInfo
- Publication number
- CN107740450B CN107740450B CN201711234055.9A CN201711234055A CN107740450B CN 107740450 B CN107740450 B CN 107740450B CN 201711234055 A CN201711234055 A CN 201711234055A CN 107740450 B CN107740450 B CN 107740450B
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- Prior art keywords
- hole
- clamping piece
- angle adjusting
- fixing
- clamping
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- 210000000245 forearm Anatomy 0.000 claims abstract description 7
- 239000011435 rock Substances 0.000 abstract description 19
- 230000007547 defect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 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 application discloses a clamping piece type forearm convenient for adjusting a working range, which comprises an upper clamping part and a lower clamping piece digging hook part, wherein the upper clamping part comprises a left clamping plate and a right clamping plate which leave a clamping gap, the upper part of the lower clamping piece digging hook part is clamped in the clamping gap, a left fixing through hole and a left angle adjusting through hole are arranged at the lower part of the left clamping plate, more than two left angle adjusting through holes are arranged at the left angle adjusting through hole, a right fixing through hole which corresponds to the left fixing through hole and a right angle adjusting through hole which corresponds to the left angle adjusting through hole are arranged at the lower part of the right clamping plate, a clamping piece fixing through hole and a clamping piece angle adjusting through hole are arranged at the upper part of the lower clamping piece digging hook part, the left fixing through hole, the clamping piece fixing through hole and the right fixing through hole are connected through a pin shaft, and the left angle adjusting through hole, the clamping piece angle adjusting through hole and the right angle adjusting through hole are also connected through a pin shaft. The problem that the mechanism used for being connected with the digging hook on the existing digging hook rock arm has defects is solved.
Description
Technical Field
The application relates to the field of excavating equipment, in particular to a clamping piece type small arm convenient for adjusting a working range.
Background
The rock arm with the digging hook is usually used for digging the hook and digging and planing the rock, and consists of a large arm, a small arm and a digging hook, wherein the large arm and the small arm in the large arm are connected with a frame and have long arm lengths, so the large arm is commonly called a large arm, the small arm is connected with the digging hook, and the small arm is relatively small, so the large arm is commonly called a small arm.
The existing rock arm with the digging hook is either adjusted through the oil cylinder to the angle of the digging hook, or the digging hook is fixed, the angle of the digging hook is adjusted through the oil cylinder, the oil cylinder is easy to damage by the reaction force generated during rock breaking, and the digging hook is fixed through the fixing, so that the rock breaking effect is good, the oil cylinder is not used, damage to the oil cylinder is avoided, the angle of the digging hook cannot be adjusted, and the working range and the functions of the rock arm are limited.
Disclosure of Invention
The application aims to provide a clamping piece type small arm which is convenient for adjusting a working range, and solves the problem that a mechanism for connecting with a digging hook on the existing digging hook rock arm has defects.
In order to solve the technical problems, the application adopts the following technical scheme:
the utility model provides a clamping piece formula forearm convenient to adjust working range, includes that upper clamping portion and lower clamping piece dig hook portion, upper clamping portion is including left splint and the right splint that set up side by side, leave the centre gripping clearance between left splint and the right splint, lower clamping piece digs the upper portion joint of hook portion in the lower part in centre gripping clearance, the lower part of left splint is equipped with left fixed through-hole and left angle adjustment through-hole, left angle adjustment through-hole has more than two, all left angle adjustment through-holes regard left fixed through-hole as the centre of a circle and encircle left fixed through-hole equidistance setting, the lower part of right splint is equipped with the right fixed through-hole that corresponds the setting with left fixed through-hole and the right angle adjustment through-hole that corresponds the setting with left angle adjustment through-hole, the upper portion that lower clamping piece digs hook portion is equipped with clamping piece fixed through-hole and clamping piece angle adjustment hole, distance between clamping piece angle adjustment hole and the clamping piece fixed through-hole equals the interval between left angle adjustment through-hole, link to each other between left fixed through the round pin axle, left angle adjustment through-hole and the right angle adjustment through-hole.
The upper part of the lower clamping piece digging hook part is inserted into a clamping gap between the left clamping piece and the right clamping piece, so that the left fixing through hole, the clamping piece fixing through hole and the right fixing through hole are aligned, after the left fixing through hole, the clamping piece fixing through hole and the right fixing through hole are aligned, the position of the lower clamping piece digging hook part is fixed by utilizing a first pin shaft, the lower clamping piece digging hook part rotates around the pin shaft after the fixing is finished, the position of the lower clamping piece digging hook part is adjusted, a clamping piece angle adjusting hole on the lower clamping piece digging hook part is aligned with a first one of the two left angle adjusting through holes, because the right angle adjusting through hole is correspondingly arranged with the left angle adjusting through hole, after the first left angle adjusting through hole is aligned, the clamping piece angle adjusting hole on the lower clamping piece digging hook part is also aligned with a first one of the two right angle adjusting through holes, an operator can pass through the left angle adjusting through hole, the clamping piece angle adjusting through hole and the right angle adjusting through hole by using a second pin shaft if the angle of the lower clamping piece digging hook part is proper, the lower clamping piece digging hook part is fixed by the lower clamping piece digging hook part around the pin shaft, the second angle adjusting through hole is further rotated around the pin shaft, and the right clamping piece adjusting through hole is further aligned with the second pin shaft, and the right clamping piece adjusting through hole is adjusted by the second pin shaft, the angle of the lower clamping piece hook digging part can be conveniently adjusted, the problem that the angle of the lower clamping piece hook digging part can only be adjusted by the oil cylinder in the prior art is solved, the structure is simple, the adjustment is convenient and quick, the damage to the oil cylinder is eliminated, the fixed type rock breaking effect is better during rock breaking.
As a further preferred aspect of the present application, the left and right clamping plates are connected by one or more short posts disposed along edges of the left and right clamping plates.
The left clamping plate and the right clamping plate are fixed and positioned by the short columns.
As a further preferable mode of the application, the lower clamping piece digging hook part is of a hollow structure, a filling port is arranged in the middle of the lower clamping piece digging hook part, and the filling port is communicated with the inner cavity of the lower clamping piece digging hook part.
The packing opening is arranged, weight increasing materials can be filled in the hollow structure of the lower clamping piece digging hook part, so that the packing materials with different weights can be filled according to different conditions, and the rock breaking effect is improved.
As a further preferable mode of the application, a supporting column is arranged in the hollow structure of the lower clamping piece digging hook part.
The support columns are arranged in the hollow structure of the lower clamping piece digging hook part, so that the stability of the lower clamping piece digging hook part structure can be improved, and the lower clamping piece digging hook part structure is more durable.
As a further preferable aspect of the present application, the left angle adjusting through holes have three or more, the clip angle adjusting holes have two, and the arc length between two clip angle adjusting holes is equal to the arc length between two adjacent left angle adjusting through holes.
The left angle adjusting through holes and the two clamping piece angle adjusting holes are arranged to fix the lower clamping piece digging hook part by using the three pin shafts, so that a triangular structure is formed, the fixing is firmer, one of the three pin shafts passes through the left fixing through hole, the clamping piece fixing through hole and the right fixing through hole, and after the two clamping piece angle adjusting holes are arranged, the angle adjustment of the lower clamping piece digging hook part is required to be completed, more than three left angle adjusting through holes are required to be arranged and more than three right angle adjusting through holes are required to be correspondingly arranged with the left angle adjusting through holes.
As a further preferable mode of the application, the pin shaft comprises a shaft column and a plug, wherein external threads are arranged at the outer sides of two ends of the shaft column, a shaft column through hole is formed in the middle of the plug, and internal threads matched with the external threads at the outer side of the shaft column are arranged at the inner side of the shaft column through hole.
Compared with the prior art, the application can at least achieve one of the following beneficial effects:
1. the rock arm with the digging hook solves the defects of a mechanism used for being connected with the digging hook on the existing rock arm with the digging hook, not only ensures good rock breaking effect, but also can conveniently and rapidly adjust the angle of the digging hook.
2. The weight of the rock breaking machine can be adjusted, so that the rock breaking effect is better.
3. The stability of the structure is high.
Drawings
Fig. 1 is a schematic structural view of the present application.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a schematic structural view of the pin of the present application.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Specific example 1:
fig. 1, fig. 2, fig. 3, fig. 4 show a clamping piece forearm convenient to adjust working range, including last clamping part and lower clamping piece dig hook portion 1, go up the clamping part and including left splint 2 and right splint 3 that set up side by side, leave clamping gap 4 between left splint 2 and the right splint 3, lower clamping piece dig the upper portion joint of hook portion 1 in clamping gap 4's lower part, the lower part of left splint 2 is equipped with left fixed through-hole 21 and left angle regulation through-hole 22, left angle regulation through-hole 22 has more than two, all left angle regulation through-holes 22 regard left fixed through-hole 21 as the centre of a circle around left fixed through-hole 21 equidistance setting, the lower part of right splint 3 is equipped with right fixed through-hole 31 that corresponds with left fixed through-hole 21 and right angle regulation through-hole 32 that corresponds with left angle regulation through-hole 22 setting, the upper portion of lower clamping piece dig hook portion 1 is equipped with clamping piece fixed through-hole 11 and clamping piece angle regulation through-hole 12, distance between clamping piece angle regulation through-hole 12 and clamping piece fixed through-hole 11 equals the interval between left fixed through-hole 22 and left fixed through-hole 21, left angle regulation through-hole 31 and right pin roll 5 link to each other between right fixed through-hole 31, left fixed through-hole 32 and the right angle regulation through-hole 32.
The upper part of the lower clamping piece digging hook part is inserted into a clamping gap between the left clamping piece and the right clamping piece, so that the left fixing through hole, the clamping piece fixing through hole and the right fixing through hole are aligned, after the left fixing through hole, the clamping piece fixing through hole and the right fixing through hole are aligned, the position of the lower clamping piece digging hook part is fixed by utilizing a first pin shaft, the lower clamping piece digging hook part rotates around the pin shaft after the fixing is finished, the position of the lower clamping piece digging hook part is adjusted, a clamping piece angle adjusting hole on the lower clamping piece digging hook part is aligned with a first one of the two left angle adjusting through holes, because the right angle adjusting through hole is correspondingly arranged with the left angle adjusting through hole, after the first left angle adjusting through hole is aligned, the clamping piece angle adjusting hole on the lower clamping piece digging hook part is also aligned with a first one of the two right angle adjusting through holes, an operator can pass through the left angle adjusting through hole, the clamping piece angle adjusting through hole and the right angle adjusting through hole by using a second pin shaft if the angle of the lower clamping piece digging hook part is proper, the lower clamping piece digging hook part is fixed by the lower clamping piece digging hook part around the pin shaft, the second angle adjusting through hole is further rotated around the pin shaft, and the right clamping piece adjusting through hole is further aligned with the second pin shaft, and the right clamping piece adjusting through hole is adjusted by the second pin shaft, the angle of the lower clamping piece hook digging part can be conveniently adjusted, the problem that the angle of the lower clamping piece hook digging part can only be adjusted by the oil cylinder in the prior art is solved, the structure is simple, the adjustment is convenient and quick, the damage to the oil cylinder is eliminated, the fixed type rock breaking effect is better during rock breaking.
Specific example 2:
the connection manner between the left clamping plate 2 and the right clamping plate 3 is further described on the basis of the specific embodiment 1, the left clamping plate 2 and the right clamping plate 3 are connected through one or more short columns 6, and the short columns 6 are arranged along the edges of the left clamping plate 2 and the right clamping plate 3.
The left clamping plate and the right clamping plate are fixed and positioned by the short columns.
Specific example 3:
the embodiment further describes the lower clamping piece digging hook part 1 on the basis of the specific embodiment 1, the lower clamping piece digging hook part 1 is of a hollow structure, a filling opening 13 is arranged in the middle of the lower clamping piece digging hook part 1, and the filling opening 13 is communicated with the inner cavity of the lower clamping piece digging hook part 1.
The packing opening is arranged, weight increasing materials can be filled in the hollow structure of the lower clamping piece digging hook part, so that the packing materials with different weights can be filled according to different conditions, and the rock breaking effect is improved.
Specific example 4:
in this embodiment, a support column is added on the basis of embodiment 3, and the hollow structure of the lower clip hook digging portion 1 is provided with a support column.
The support columns are arranged in the hollow structure of the lower clamping piece digging hook part, so that the stability of the lower clamping piece digging hook part structure can be improved, and the lower clamping piece digging hook part structure is more durable.
Specific example 5:
in this embodiment, the left angle adjusting through holes 22 and the clip angle adjusting holes 12 are further described on the basis of embodiment 1, wherein more than three left angle adjusting through holes 22 are provided, two clip angle adjusting holes 12 are provided, and the arc length between two clip angle adjusting holes 12 is equal to the arc length between two adjacent left angle adjusting through holes 22.
The left angle adjusting through holes and the two clamping piece angle adjusting holes are arranged to fix the lower clamping piece digging hook part by using the three pin shafts, so that a triangular structure is formed, the fixing is firmer, one of the three pin shafts passes through the left fixing through hole, the clamping piece fixing through hole and the right fixing through hole, and after the two clamping piece angle adjusting holes are arranged, the angle adjustment of the lower clamping piece digging hook part is required to be completed, more than three left angle adjusting through holes are required to be arranged and more than three right angle adjusting through holes are required to be correspondingly arranged with the left angle adjusting through holes.
Specific example 6:
in this embodiment, the pin shaft 5 is further described on the basis of embodiment 1, where the pin shaft 5 includes a shaft post 51 and a plug 52, external threads are disposed on the outer sides of two ends of the shaft post 51, a shaft post through hole 521 is formed in the middle of the plug 52, and internal threads adapted to the external threads on the outer sides of the shaft post 51 are disposed on the inner sides of the shaft post through hole 521.
Although the application has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (4)
1. Clamping piece formula forearm convenient to adjust working range, dig hook (1) including last clamping part and lower clamping piece, its characterized in that: the upper clamping part comprises a left clamping plate (2) and a right clamping plate (3) which are arranged side by side, a clamping gap (4) is reserved between the left clamping plate (2) and the right clamping plate (3), the upper part of the lower clamping piece digging hook part (1) is clamped at the lower part of the clamping gap (4), the lower part of the left clamping plate (2) is provided with a left fixing through hole (21) and a left angle adjusting through hole (22), the left angle adjusting through hole (22) is provided with more than two, all left angle adjusting through holes (22) surround the left fixing through hole (21) by taking the left fixing through hole (21) as a circle center, the lower part of the right clamping plate (3) is provided with a right fixing through hole (31) which corresponds to the left fixing through hole (21) and a right angle adjusting through hole (32) which corresponds to the left angle adjusting through hole (22), the upper part of the lower clamping piece digging hook part (1) is provided with a clamping piece fixing through hole (11) and a clamping piece angle adjusting through hole (12), the distance between the clamping piece angle adjusting through hole (12) and the clamping piece fixing through hole (11) is equal to the distance between the left angle adjusting through hole (22) and the left fixing through hole (21), the left fixing through hole (31) and the left fixing through pin shaft (31) and the left fixing through hole (5) are connected The clamping piece angle adjusting hole (12) is also connected with the right angle adjusting through hole (32) through a pin shaft (5);
the left clamping plate (2) and the right clamping plate (3) are connected through one or more short columns (6), and the short columns (6) are arranged along the edges of the left clamping plate (2) and the right clamping plate (3);
the lower clamping piece digging hook part (1) is of a hollow structure, a filling opening (13) is formed in the middle of the lower clamping piece digging hook part (1), and the filling opening (13) is communicated with the inner cavity of the lower clamping piece digging hook part (1).
2. The clip-on forearm facilitating adjustment of working range as recited in claim 1, wherein: the hollow structure of the lower clamping piece digging hook part (1) is internally provided with a supporting column.
3. The clip-on forearm facilitating adjustment of working range as recited in claim 1, wherein: the left angle adjusting through holes (22) are more than three, the number of the clamping piece angle adjusting holes (12) is two, and the arc length between the two clamping piece angle adjusting holes (12) is equal to the arc length between the two adjacent left angle adjusting through holes (22).
4. The clip-on forearm facilitating adjustment of working range as recited in claim 1, wherein: the pin shaft (5) comprises a shaft column (51) and a plug (52), external threads are arranged on the outer sides of two ends of the shaft column (51), a shaft column through hole (521) is formed in the middle of the plug (52), and internal threads matched with the external threads on the outer side of the shaft column (51) are arranged on the inner side of the shaft column through hole (521).
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 CN107740450A (en) | 2018-02-27 |
| CN107740450B true 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 (9)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2465240T3 (en) * | 2009-07-16 | 2014-06-05 | Javier Aracama Martínez De Lahidalga | Hydraulic firing pin for excavators |
-
2017
- 2017-11-30 CN CN201711234055.9A patent/CN107740450B/en active Active
Patent Citations (9)
| 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 |
| 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 |
|---|---|
| CN107740450A (en) | 2018-02-27 |
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