CN113107031A - Detachable impact crushing mechanism for grab bucket of plateau frozen soil layer excavator - Google Patents
Detachable impact crushing mechanism for grab bucket of plateau frozen soil layer excavator Download PDFInfo
- Publication number
- CN113107031A CN113107031A CN202110509948.XA CN202110509948A CN113107031A CN 113107031 A CN113107031 A CN 113107031A CN 202110509948 A CN202110509948 A CN 202110509948A CN 113107031 A CN113107031 A CN 113107031A
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- Prior art keywords
- excavator
- grab bucket
- crushing mechanism
- impact crushing
- impact
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- 230000007246 mechanism Effects 0.000 title claims abstract description 110
- 239000002689 soil Substances 0.000 title claims abstract description 28
- 238000009527 percussion Methods 0.000 claims abstract description 5
- 239000000178 monomer Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003116 impacting effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 18
- 238000009412 basement excavation Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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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
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
-
- 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
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/305—Arrangements for breaking-up hard ground
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- 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 provides a detachable impact crushing mechanism for a grab bucket of a plateau frozen soil layer excavator, which comprises an excavator, wherein an air compressor for providing compressed air power is installed at the top of a machine case of the excavator, a mechanical arm of the excavator is provided with a main air pipe communicated with the air compressor, and an impact crushing mechanism assembly is installed on the grab bucket of the excavator at one end of the mechanical arm. The invention has the beneficial effects that: arranging a certain number of down-hole impactors and air compressors as power at excavator grab bucket bottom, utilizing the percussion bit to realize high frequency impact, broken frozen soil layer can be installed the broken mechanism of this mechanism fast and fix in excavator grab bucket bottom and strike breakage to frozen soil layer when running into frozen soil layer and exerting work to solve the problem that ordinary excavator is difficult to carry out frozen soil layer excavation operation, and practiced thrift the cost, can realize that frozen soil layer strikes broken construction demand simply, efficient.
Description
Technical Field
The invention belongs to the technical field of construction operation of earth-rock machinery, and particularly relates to a detachable impact crushing mechanism for a grab bucket of a plateau frozen soil layer excavator.
Technical Field
The construction method is characterized in that an excavator, a bulldozer and a loader are generally used for construction operation during foundation excavation or wartime position construction of construction, a wide frozen soil layer is distributed in plateau and high-cold areas, the plateau frozen soil layer mainly comprises an ice-accumulated egg gravel layer, and the ice-accumulated egg gravel layer has the characteristics that egg gravels with different sizes are distributed and integrated with frozen soil, and the texture is crisp and hard.
The excavation operation is difficult to carry out by adopting a common excavator, the method adopting drilling blasting is high in danger, and the problem that the broken earth and stones cannot be taken out quickly exists in the method adopting a vertical rotary drilling rig or a percussion drilling rig in geological engineering equipment, so that the construction efficiency is low.
Disclosure of Invention
The invention aims to provide a detachable impact crushing mechanism for a grab bucket of a plateau frozen soil layer excavator, which solves the problems that a common excavator is difficult to excavate and crushed soil and stones cannot be taken out quickly to cause low construction efficiency during the exploitation operation of the soil and stones in plateau and high-cold regions.
In order to achieve the purpose, the invention provides the following technical scheme: a detachable impact crushing mechanism for a grab bucket of a plateau frozen soil layer excavator comprises the excavator, wherein an air compressor for providing compressed air power is installed at the top of a machine box of the excavator, a mechanical arm of the excavator is provided with a main air pipe communicated with the air compressor, and an impact crushing mechanism assembly is installed on the grab bucket of the excavator at one end of the mechanical arm;
strike broken mechanism assembly and include six and set up in the broken mechanism of monomer impact of excavator grab bucket bottom, every the broken mechanism of monomer impact is all arranged in between the adjacent excavator tooth of excavator grab bucket, the broken mechanism of monomer impact is followed fixedly and is articulated through the lower part couple that the outside was equipped with and the lower part fill of excavator grab bucket, and is a plurality of broken mechanism of monomer impact is followed fixedly and is articulated through two taut chain cooperation upper portion couples and the upper portion fill of excavator grab bucket.
In order to fix the down-the-hole impacter, as a preferable option of the invention, the single impact crushing mechanism comprises an impact drill bit, the impact drill bit is in transmission connection with the down-the-hole impacter, the middle part of the outer part of the down-the-hole impacter is buckled with an impact crushing mechanism mounting seat, the opening of the impact crushing mechanism mounting seat is buckled with an impact crushing mechanism mounting pressure plate, and the impact crushing mechanism mounting pressure plate is fixedly connected with a threaded hole arranged at the edge of the impact crushing mechanism mounting seat through a pressure plate mounting bolt.
In order to assemble a plurality of single impact crushing mechanisms, as a preferred mode of the invention, two expansion sleeves are respectively arranged on two sides of each impact crushing mechanism mounting seat, and a connecting shaft for forming an integral structure by six single impact crushing mechanisms is arranged in the two adjacent impact crushing mechanism mounting seats opposite to the expansion sleeves.
In order to enable the lower hook to flexibly rotate, as a preferable mode of the invention, two lower hook connecting ear plates are welded at the bottom of one end of the impact crushing mechanism mounting seat, and the two lower hook connecting ear plates are respectively positioned at two sides of one end of the lower hook and hinged with one end of the lower hook through a lower hook mounting pin.
In order to enable the front-end pressing plate and the down-hole impactor to be quickly disassembled and assembled, as a preferable mode of the invention, two front-end pressing plate connecting lug plates are welded on two sides of the lower hook, the front-end pressing plate connecting lug plates positioned on the same side are rotatably connected with the front-end pressing plate through front-end pressing plate connecting lug plate mounting pins, the two front-end pressing plates are fixedly sleeved at one end of the down-hole impactor through front-end pressing plate connecting bolts and then are connected with the air outlet end corresponding to the main air pipe, and an air pipe joint at the other end of the down-hole impactor is communicated with the air outlet end corresponding to the main air pipe through an air.
In order to enable the impact crushing mechanism mounting seats and the excavator grab bucket to be quickly disassembled and assembled through chain matching hooks, the six impact crushing mechanism mounting seats are preferably divided into two groups, the other end of each group of three impact crushing mechanism mounting seats is connected with a right-handed screw through a pin shaft matching connection fork, the right-handed screw is in threaded connection with a locking ring, one end of the locking ring is in threaded connection with a left-handed screw, the left-handed screw is hinged to the bottom of a connecting plate through the pin shaft matching connection fork, the top of the connecting plate is rotatably connected with a chain joint through the pin shaft matching connection fork, and the chain joint is connected with one end of a corresponding tensioning chain.
In order to sleeve the down-the-hole hammer, as a preferable mode of the invention, the cross sections of the impact crushing mechanism mounting pressure plate and the front end pressure plate are both in omega structures.
In order to enable the connecting shaft to be adjustable in the tensioning sleeve, as a preferred option of the invention, the tensioning bolt of the tensioning sleeve, which is connected through the thread, is fixedly connected with the end of the connecting shaft.
Compared with the prior art, the invention has the beneficial effects that:
1) a certain number of down-hole impactors and air compressors are arranged at the bottom of the grab bucket of the excavator as power, high-frequency impact is realized by utilizing an impact drill bit to crush a frozen soil layer, when the mechanism works in a frozen soil layer, the crushing mechanism of the mechanism can be quickly installed and fixed at the bottom of the grab bucket of the excavator to impact and crush the frozen soil layer, thereby solving the problem that the common excavator is difficult to excavate frozen soil layers, simultaneously the mechanism has the adjusting function and can be suitable for excavator grab buckets with different specifications by locking through chains, the crushing mechanism is flexibly fixed on the grab bucket through the chain and the hook, is installed when needing impact crushing for use, is not needed to be dismounted, can complete the impact crushing function without modifying the grab bucket, therefore, the cost is saved, the construction requirement of impact crushing of the frozen soil layer can be simply and efficiently realized, and the requirement of foundation excavation or wartime formation construction of plateau frozen soil layer construction is met;
2) the connecting shaft is matched with the tensioning sleeve, so that the impact crushing mechanisms can be used on excavating machines with different specifications, the single impact crushing mechanisms are adjusted to the middle positions of the excavating machine teeth, the impact crushing effect is ensured, the connecting shaft and the tensioning sleeve are connected to connect the single impact crushing mechanisms into a whole, the integral strength and rigidity are ensured, and the bearing impact crushing capacity is improved; the impact crushing effect can be ensured by adjusting and changing the distance between the impact bit of the impact crushing mechanism and the front end of the tooth through the front end pressing plate and the installation pressing plate of the impact crushing mechanism.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the impact crusher assembly of the present invention;
FIG. 3 is a schematic view of the front side mounting of the impact crushing mechanism and excavator grab of the present invention;
FIG. 4 is a schematic view of the impact crushing mechanism of the present invention mounted to the back of a grab bucket of a excavator;
FIG. 5 is an enlarged schematic view at A of FIG. 2 of the present invention;
FIG. 6 is an enlarged view of the present invention at B of FIG. 2;
FIG. 7 is a schematic structural view of a monoblock impact crushing mechanism of the present invention;
fig. 8 is a disassembled schematic view of the single impact crushing mechanism of the invention.
In the figure: 1. digging a machine; 2. an air compressor; 3. a main air pipe; 4. a grab bucket of the excavator; 5. an impact crushing mechanism assembly; 6. a single impact crushing mechanism; 7. a lower hook; 8. digging machine teeth; 9. an upper hook; 10. tensioning the chain; 11. a chain joint; 12. a connecting fork; 13. a connecting plate; 14. a pin shaft; 15. a left-handed screw; 16. locking a ring; 17. a right-handed screw; 18. a connecting shaft; 19. a tensioning sleeve; 20. tensioning the bolt; 21. an impact crushing mechanism mounting seat; 22. the impact crushing mechanism is provided with a pressing plate; 23. mounting bolts on the pressing plate; 24. the lower hook is connected with the ear plate; 25. a lower hook mounting pin; 26. a front end platen; 27. the front end pressing plate is connected with the lug plate; 28. the front end pressing plate is connected with the lug plate mounting pin; 29. the front end pressure plate is connected with a bolt; 30. a percussion drill bit; 31. a down-the-hole impactor; 32. a gas pipe joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides the following technical solutions: a detachable impact crushing mechanism for a grab bucket of a plateau frozen soil layer excavator comprises an excavator 1, wherein an air compressor 2 for providing compressed air power is installed at the top of a case of the excavator 1, a mechanical arm of the excavator 1 is provided with a main air pipe 3 communicated with the air compressor 2, and an impact crushing mechanism assembly 5 is installed on the grab bucket 4 at one end of the mechanical arm;
the impact crushing mechanism assembly 5 comprises six single impact crushing mechanisms 6 arranged at the bottom of the grab bucket 4 of the excavator, each single impact crushing mechanism 6 is arranged between adjacent excavator teeth 8 of the grab bucket 4 of the excavator, the single impact crushing mechanisms 6 are fixedly connected with the lower bucket of the grab bucket 4 of the excavator through lower hooks 7 arranged outside, and the single impact crushing mechanisms 6 are fixedly connected with the upper bucket of the grab bucket 4 of the excavator through two tensioning chains 10 matched with two upper hooks 9.
In this embodiment: the single impact crushing mechanism 6 comprises an impact drill 30, the impact drill 30 is in transmission connection with a down-the-hole impactor 31, the middle of the outer portion of the down-the-hole impactor 31 is buckled with an impact crushing mechanism mounting seat 21, an opening of the impact crushing mechanism mounting seat 21 is buckled with an impact crushing mechanism mounting pressure plate 22, and the impact crushing mechanism mounting pressure plate 22 is fixedly connected with a threaded hole formed in the edge of the impact crushing mechanism mounting seat 21 through a pressure plate mounting bolt 23.
Specifically, a semicircular structure matched with a cylinder body of the down-hole hammer 31 is processed in the middle of the mounting seat 21 of the impact crushing mechanism, mounting threaded holes matched with the pressure plate mounting bolts 23 are uniformly processed at the two sides of the semicircle of the mounting seat 21 of the impact crushing mechanism, an impact crushing mechanism mounting pressure plate 22 is arranged above the lower part, the impact crushing mechanism mounting pressure plate 22 is of an omega-shaped structure, a semicircular structure matched with a cylinder body of a down-the-hole hammer 31 is processed in the middle, mounting holes matched with pressure plate mounting bolts 23 are arranged at two sides, a gap is left between the mounting surfaces of the down-the-hole hammer 31 and the impact crushing mechanism mounting seat 21, when the down-the-hole hammer 31 is mounted, the down-the-hole hammer 31 is placed in the impact crushing mechanism mounting seat 21, the upper impact crushing mechanism mounting pressure plate 22 is locked with the impact crushing mechanism mounting seat 21 through the pressure plate mounting bolt 23, as the clearance is provided to ensure that the upper impact breaker mounting pressure plate 22 presses the down-the-hole hammer 31 against the impact breaker mounting 21.
In this embodiment: two expansion sleeves 19 are mounted on two sides of each impact crushing mechanism mounting seat 21, and connecting shafts 18 for six single impact crushing mechanisms 6 to form an integral structure are mounted in the two adjacent impact crushing mechanism mounting seats 21 opposite to the expansion sleeves 19.
Specifically, rise tight cover 19 through the cooperation of connecting axle 18 and can realize the use of a plurality of monomers impact crushing mechanism 6 on different specifications digs the machine to guarantee that monomer impact crushing mechanism 6 adjusts to digging 8 intermediate positions of machine tooth, guarantee to strike crushing effect, and through connecting axle 18 and rise tight cover 19 and strike crushing mechanism 6 with a plurality of monomers and connect as an organic wholely, guaranteed holistic intensity and rigidity, improve and bear and strike crushing ability.
In this embodiment: two lower hook connecting lug plates 24 are welded at the bottom of one end of the impact crushing mechanism mounting seat 21, and the two lower hook connecting lug plates 24 are respectively positioned on two sides of one end of the lower hook 7 and hinged with one end of the lower hook 7 through a lower hook mounting pin 25.
Specifically, the lower hook 7 is hinged to the two lower hook connecting lug plates 24 through the lower hook mounting pin 25, so that the lower hook 7 can be flexibly rotated, and the lower hook 7 and the lower bucket edge of the excavator grab bucket 4 can be conveniently and quickly hooked and detached.
In this embodiment: two front end pressing plate connecting lug plates 27 are welded on two sides of the lower hook 7, the front end pressing plate connecting lug plates 27 on the same side are rotatably connected with front end pressing plates 26 through front end pressing plate connecting lug plate mounting pins 28, the two front end pressing plates 26 are fixedly sleeved at one ends of down-hole impactors 31 through front end pressing plate connecting bolts 29, the cross sections of the impact crushing mechanism mounting pressing plates 22 and the front end pressing plates 26 are both of an omega structure, and air pipe joints 32 at the other ends of the down-hole impactors 31 are communicated with air outlet ends corresponding to the main air pipes 3 through air pipes.
Specifically, after the down-the-hole hammer 31 is connected with the hammer crushing mechanism mounting seat 21 and the hammer crushing mechanism mounting pressing plate 22, the rotary front-end pressing plate 26 rotates on the front-end pressing plate connecting lug plate 27 around the front-end pressing plate connecting lug plate mounting pin 28, so that the rotary front-end pressing plate 26 is quickly attached to the barrel of the down-the-hole hammer 31, compressed air power provided by the air compressor 2 is distributed to each single hammer crushing mechanism 6 through the main air pipe 3, impact crushing power is provided for each single hammer crushing mechanism 6, and the change of the internal structural airflow of the down-the-hole hammer 31 realizes the telescopic reciprocating motion of the hammer bit 30 along the axis of the down-the-hole hammer 31 and the hammer bit 30 (the down-the.
In this embodiment: the six impact crushing mechanism mounting seats 21 are divided into two groups, the other end of each group of three impact crushing mechanism mounting seats 21 is connected with a right-handed screw 17 through a pin shaft 14 matched connection fork 12, the right-handed screw 17 is in threaded connection with a locking ring 16, one end of the locking ring 16 is in threaded connection with a left-handed screw 15, the left-handed screw 15 is hinged to the bottom of a connecting plate 13 through the pin shaft 14 matched connection fork 12, the top of the connecting plate 13 is rotatably connected with a chain joint 11 through the pin shaft 14 matched connection fork 12, and the chain joint 11 is connected with one end of a corresponding.
Specifically, by rotating the left-handed screw 15 and the right-handed screw 17 to be matched with the locking ring 16, the tightness of the tensioning chain 10 can be flexibly adjusted, and the upper hook 9 and the lower hook 7 can be flexibly assembled and disassembled with the bucket edge of the excavator grab 4.
In this embodiment: the tensioning sleeve 19 is fixedly connected with the end of the connecting shaft 18 through a tensioning bolt 20 in threaded connection.
Specifically, the tensioning sleeve 19 and the connecting shaft 18 can be quickly disassembled and fixed by rotating the tensioning bolt 20.
To sum up: the problem that the ordinary excavator is high in plateau frozen soil layer mechanical construction difficulty and low in efficiency can be solved through the application of the structure, the comprehensive construction capacity and the construction efficiency of plateau frozen soil layer mechanical construction can be improved, the adaptability of complex working conditions is improved, quick assembly and disassembly are not needed to be achieved on the premise that the excavator is transformed, accordingly, light, efficient and safe plateau frozen soil layer mechanical construction is achieved, and the requirements of foundation excavation or wartime formation construction of plateau frozen soil layer construction are met.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a broken mechanism of detachable impact for plateau frozen soil layer excavator grab bucket, includes excavator (1), its characterized in that: an air compressor (2) for providing compressed air power is installed at the top of a case of the excavator (1), a main air pipe (3) communicated with the air compressor (2) is installed on a mechanical arm of the excavator (1), and an excavator grab bucket (4) at one end of the mechanical arm is provided with an impact crushing mechanism assembly (5);
strike broken mechanism assembly (5) and include six monomer impact broken mechanism (6) that set up in excavator grab bucket (4) bottom, every monomer impact broken mechanism (6) are all arranged in between excavator grab bucket (4) adjacent excavator tooth (8), monomer impact broken mechanism (6) are followed fixed the hanging through the lower part couple (7) that the outside was equipped with and the lower part fill of excavator grab bucket (4), and are a plurality of monomer impact broken mechanism (6) are followed fixed the hanging through the upper portion fill of two taut chains (10) cooperation two upper portions couple (9) and excavator grab bucket (4).
2. The detachable impact crushing mechanism for the plateau permafrost excavator grab bucket of claim 1, wherein: broken mechanism (6) of monomer impact is including percussion bit (30), percussion bit (30) are connected with down-the-hole impacter (31) transmission, the middle part lock joint of the outside of down-the-hole impacter (31) has impacted broken mechanism mount pad (21), the opening part lock joint of impacting broken mechanism mount pad (21) has impacted broken mechanism installation clamp plate (22), strike broken mechanism installation clamp plate (22) through clamp plate mounting bolt (23) and strike the screw hole fixed connection that broken mechanism mount pad (21) edge was equipped with.
3. The detachable impact crushing mechanism for the plateau permafrost excavator grab bucket of claim 2, wherein: two expansion sleeves (19) are respectively installed on two sides of each impact crushing mechanism installation seat (21), and connecting shafts (18) for six single impact crushing mechanisms (6) to form an integral structure are installed in the two adjacent impact crushing mechanism installation seats (21) opposite to the expansion sleeves (19).
4. The detachable impact crushing mechanism for the plateau permafrost excavator grab bucket of claim 2, wherein: the bottom of one end of the impact crushing mechanism mounting seat (21) is welded with two lower hook connecting lug plates (24), the two lower hook connecting lug plates (24) are respectively positioned on two sides of one end of the lower hook (7), and are hinged with one end of the lower hook (7) through a lower hook mounting pin (25).
5. The detachable impact crushing mechanism for the plateau permafrost excavator grab bucket of claim 2, wherein: two front end clamp plate connecting lug plates (27) are welded on two sides of the lower hook (7) and located on the same side, the front end clamp plate connecting lug plates (27) are rotatably connected with front end clamp plates (26) and two through front end clamp plate connecting lug plate mounting pins (28), the front end clamp plates (26) are fixedly sleeved at one ends of down-hole impactors (31) through front end clamp plate connecting bolts (29), and air pipe joints (32) at the other ends of the down-hole impactors (31) are communicated with air outlet ends corresponding to main air pipes (3) through air pipes.
6. The detachable impact crushing mechanism for the plateau permafrost excavator grab bucket of claim 2, wherein: six strike broken mechanism mount pad (21) and divide into two sets ofly, and every group is three strike the other end of broken mechanism mount pad (21) and connect fork (12) through round pin axle (14) cooperation and be connected with right-handed screw (17), right-handed screw (17) threaded connection has locking ring (16), the one end threaded connection of locking ring (16) has left-handed screw (15), left-handed screw (15) are connected fork (12) and connecting plate (13) bottom through round pin axle (14) cooperation and are articulated, the top of connecting plate (13) is connected fork (12) rotation through round pin axle (14) cooperation and is connected with chain joint (11), chain joint (11) are connected with taut chain (10) one end that corresponds.
7. The detachable impact crushing mechanism for the plateau permafrost excavator grab bucket of claim 5, wherein: the sections of the impact crushing mechanism mounting pressure plate (22) and the front end pressure plate (26) are both omega-shaped structures.
8. The detachable impact crushing mechanism for the plateau permafrost excavator grab bucket of claim 3, wherein: the tensioning sleeve (19) is fixedly connected with the end of the connecting shaft (18) through a tensioning bolt (20) in threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110509948.XA CN113107031B (en) | 2021-05-11 | 2021-05-11 | Detachable impact crushing mechanism for grab bucket of highland frozen soil layer excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110509948.XA CN113107031B (en) | 2021-05-11 | 2021-05-11 | Detachable impact crushing mechanism for grab bucket of highland frozen soil layer excavator |
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| Publication Number | Publication Date |
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| CN113107031A true CN113107031A (en) | 2021-07-13 |
| CN113107031B CN113107031B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110509948.XA Active CN113107031B (en) | 2021-05-11 | 2021-05-11 | Detachable impact crushing mechanism for grab bucket of highland frozen soil layer excavator |
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| US6460276B1 (en) * | 1996-09-18 | 2002-10-08 | 3786111 Canada Inc. | Excavation bucket incorporating an impact actuator assembly |
| US6574891B1 (en) * | 1998-03-10 | 2003-06-10 | 3786111 Canada Inc. | Excavation bucket incorporating an impact actuator assembly |
| JP2004301439A (en) * | 2003-03-31 | 2004-10-28 | Kiyoshi Amamiya | Land mine disposal device |
| KR20130002388U (en) * | 2011-10-12 | 2013-04-22 | 유석준 | Hydraulic Breaker Bucket |
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| CN210238612U (en) * | 2019-01-30 | 2020-04-03 | 济南裕和工程机械有限公司 | Formula of breaking ground excavator scraper bowl |
| KR20210022386A (en) * | 2019-08-20 | 2021-03-03 | 강윤창 | Krasha bucket with crusher |
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2021
- 2021-05-11 CN CN202110509948.XA patent/CN113107031B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627949U (en) * | 1992-09-09 | 1994-04-15 | 新キャタピラー三菱株式会社 | Drive device for bucket with breaker |
| JPH08144315A (en) * | 1994-11-21 | 1996-06-04 | Sanwa Kiko Kk | Excavator |
| JPH08311916A (en) * | 1995-05-22 | 1996-11-26 | Teijin Seiki Co Ltd | Bucket for excavation operating car |
| JPH0978562A (en) * | 1995-09-12 | 1997-03-25 | Paritei Jipangu:Kk | Compacting/reinforcing method for sediment and formation of ditch/ditch bottom section |
| US6460276B1 (en) * | 1996-09-18 | 2002-10-08 | 3786111 Canada Inc. | Excavation bucket incorporating an impact actuator assembly |
| US6574891B1 (en) * | 1998-03-10 | 2003-06-10 | 3786111 Canada Inc. | Excavation bucket incorporating an impact actuator assembly |
| JP2004301439A (en) * | 2003-03-31 | 2004-10-28 | Kiyoshi Amamiya | Land mine disposal device |
| KR20130002388U (en) * | 2011-10-12 | 2013-04-22 | 유석준 | Hydraulic Breaker Bucket |
| CN203514386U (en) * | 2013-09-29 | 2014-04-02 | 潍坊亿宏重工机械有限公司 | Bucket and excavator |
| CN210238612U (en) * | 2019-01-30 | 2020-04-03 | 济南裕和工程机械有限公司 | Formula of breaking ground excavator scraper bowl |
| KR20210022386A (en) * | 2019-08-20 | 2021-03-03 | 강윤창 | Krasha bucket with crusher |
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| Publication number | Publication date |
|---|---|
| CN113107031B (en) | 2023-11-17 |
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