CN109208662B - Split crusher and breaking device thereof - Google Patents

Split crusher and breaking device thereof Download PDF

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Publication number
CN109208662B
CN109208662B CN201811257065.9A CN201811257065A CN109208662B CN 109208662 B CN109208662 B CN 109208662B CN 201811257065 A CN201811257065 A CN 201811257065A CN 109208662 B CN109208662 B CN 109208662B
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China
Prior art keywords
crushing
crushing head
plate
positioning
positioning plate
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CN201811257065.9A
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Chinese (zh)
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CN109208662A (en
Inventor
刘裕志
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Chengdu Kaiyuan Zhichuang Engineering Machinery Equipment Co ltd
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Individual
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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/30Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil

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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)
  • Crushing And Grinding (AREA)

Abstract

The split crusher comprises clamping plates, a positioning part and a crushing head, wherein the two clamping plates are oppositely arranged and used for clamping and fixing the positioning part; the crushing head is provided with a crushing part, a middle part and a fixing part, and the fixing part is contacted with the positioning part; the space enclosed by the positioning component and the clamping plate is used for accommodating and retaining the fixing part; the fixing part is detachably connected with the clamping plate through a fixing piece. The crusher is split and consists of three parts, namely the clamping plate, the positioning part and the crushing head, wherein the crushing head is a vulnerable part which is directly contacted with the digging surface, the clamping plate and the positioning part are used for clamping the crushing head and realizing surrounding fixation on four sides through corresponding spaces, the quick replacement or maintenance of the crushing head is realized under the condition that the integral working strength is not reduced, the crushing heads of different types are convenient to replace, and the adaptability is improved; therefore, the material cost and the time cost are saved, the labor intensity of manual replacement is reduced, and the efficiency is improved.

Description

Split crusher and breaking device thereof
Technical Field
The invention belongs to the field of excavating equipment, and particularly relates to a split crusher for excavating equipment.
Background
At present, most large-scale hydraulic excavators are mainly used for broken stone loading, are really used for rock stripping, the rock on a mine is broken by a breaking hammer, explosive blasting, a diamond machine and other equipment, then the large-scale hydraulic excavators are used for loading, two working procedures are carried out, the breaker on the existing rock breaker is of an integrated structure (shown in figure 1), the structure is similar to a Y-type, the upper end is of a U-shaped structure with two lugs, a small arm and a driving oil cylinder are connected, the lower end is of a breaker and a tip of the breaker, if the broken tip is damaged, and when a broken head needs to be replaced when maintenance or working conditions are different, the whole breaker needs to be replaced, and because the equipment is huge, the breaker is heavy, the problems of labor and cost are caused by replacement, low efficiency and the like exist.
Therefore, how to solve the above problems, designing a breaker that is convenient to replace, improves efficiency, saves cost, and can ensure strength at the same time is a problem to be solved in the art.
Disclosure of Invention
In view of the above, the present invention aims to provide a split breaker and a breaking device thereof, which solve the problems of difficult replacement, low efficiency and high cost on the premise of ensuring the strength.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
A split crusher comprises a clamping plate, a positioning component and a crushing head,
The two clamping plates are oppositely arranged and are used for clamping and fixing the positioning component;
the crushing head is provided with a crushing part, a middle part and a fixing part, the crushing part is used for crushing an external working surface, and the fixing part is contacted with the positioning part;
the space enclosed by the positioning component and the clamping plate is used for accommodating and retaining the fixing part of the crushing head;
When the fixing part of the crushing head stretches into the space, the fixing part of the crushing head is detachably connected with the clamping plate through the fixing piece.
Further, the fixed portion of the crushing head is substantially wedge-shaped, smoothly narrowing from the middle portion of the crushing head to the fixed portion.
Further, a smooth transition is formed between the outer edge of the crushing part of the crushing head and the outer edge of the positioning part; the whole arc platy that is of splint, the arc edge of splint is the inclined plane structure, and the arc edge orientation broken portion.
Further, the positioning component comprises a first positioning plate and a second positioning plate, and the first positioning plate, the second positioning plate and the clamping plate enclose a space for accommodating and retaining the fixing part of the crushing head.
Further, a bending part pointing to the direction of the first positioning plate is arranged at the upper part of the fixed part of the crushing head, which is close to the top of the first positioning plate, and the lower part of the fixed part of the crushing head is in direct surface contact with the first positioning plate; the contact surface of the fixing part of the crushing head and the second positioning plate is a straight surface.
Further, the top parts of the second positioning plate and the clamping plate are provided with ear plates, the ear plates are provided with first hinge holes, and the first hinge holes are used for hinging an external crushing oil cylinder; the first locating plate top with splint parallel and level or slightly hang down, be equipped with the second hinge hole on the first locating plate, the second hinge hole runs through two splint reaches first locating plate, be close to on the splint the position of second hinge hole be equipped with the lubricating oil filling hole that the second hinge hole link up, convenient lubrication maintenance.
Further, an L-shaped reinforcing block is arranged at the edge of one side of the ear plate and used for propping against an external forearm to apply force during excavation, and the L-shaped reinforcing block is positioned at one side close to the first positioning plate; and reinforcing gaskets are arranged on the outer sides of the two clamping plates, and are arranged around the second hinge holes and used for reinforcing the second hinge holes.
Further, the crushing head comprises a tail fixing strip, the tail fixing strip is arranged on the outer side of the most tail end of the fixing part of the crushing head, two ends of the tail fixing strip extend and are lapped on two clamping plates, and the tail fixing strip is detachably connected with the fixing part of the crushing head.
Further, the broken portion is welded with protruding point, protruding point is equipped with the sheath outward, the sheath is high strength material.
A breaking device comprises the split breaker.
Compared with the prior art, the split crusher has the following advantages:
due to the adoption of the technical scheme:
1. the crusher is split and consists of three parts, namely the clamping plate, the positioning part and the crushing head, wherein the crushing head is a vulnerable part which is directly contacted with the digging surface, the clamping plate and the positioning part are used for clamping the crushing head and realizing surrounding fixation on four sides through corresponding spaces; therefore, the material cost and the time cost are saved, the labor intensity of manual replacement is reduced, and the efficiency is improved.
2. The fixing part of the crushing head is in a wedge shape, can be matched with the space surrounded by the positioning component and the clamping plate, can realize quick installation and clamping, and ensures the overall strength and stability of the device; simultaneously broken head and splint pass through the mounting and can dismantle the connection, and the mounting has carried out further fixedly to broken head, further improves broken head during operation's stability.
3. The outer edge of the crushing part and the outer edge of the positioning part are in smooth transition, the whole clamping plate is in an arc plate shape, the arc edge of the clamping plate is in an inclined plane structure, the inclined plane gently descends to the crushing part, the design reduces the excavating resistance of the crushing part penetrating into the working surface during crushing, and the efficiency and the excavating depth are improved.
4. The positioning component is designed into two independent parts, on one hand, each part is independently processed, the manufacturing is easy, the cost is low, and if the first positioning component and the second positioning component are integrally formed with the clamping plate, the processing cost and the difficulty are increased; on the other hand, the two parts are connected with the clamping plate in a welding mode, so that the welding strength is not problematic; in addition, the gap size between the first positioning component and the second positioning component can be flexibly set, so that the adaptability to the size of the crushing head is enhanced.
5. The fixing part of the crushing head is provided with a bending part at the top of the first positioning plate, the lower part is a straight surface, and the contact surface of the fixing part and the second positioning plate is a straight surface; the straight contact surface facilitates the insertion of the crushing head, the design of the bending part can enable the clamping of the crushing head to be tighter, the stability of the crushing head in the accommodating space is enhanced, and the crushing working strength of the crushing head during crushing is also improved.
6. The two hinge holes are arranged, one connecting small arm is used as a rotating fulcrum, and the other connecting oil cylinder enables the breaking head to rotate, so that the working surface is enlarged; the strength of corresponding parts can be increased, the working efficiency is improved, and the working life is prolonged by the reinforcing gaskets and the L-shaped reinforcing plates.
7. The setting of afterbody fixed strip carries out its tensioning lock dead at the fixed part afterbody of broken head, realizes the moment offset from afterbody to the direction of breaking the point, realizes the multiple fixed to broken head jointly with splint, locating part, has further strengthened broken head stability at the during operation.
8. The broken part is welded with the protruding point, solves the drawback of inconvenient direct integrative preparation in the technology, and welding process can ensure its intensity moreover, and the sheath is wearing and tearing the piece, firstly adopts high strength material according to the operating mode, increases life, secondly conveniently replaces.
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 invention. In the drawings:
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a right side view of FIG. 2;
Fig. 4 is a perspective view of fig. 2;
FIGS. 5 and 6 are exploded views of FIG. 3 in accordance with the present invention;
FIG. 7 is a plan view of FIG. 6;
fig. 8 is a right side view of fig. 7.
Reference numerals illustrate:
1. the welding device comprises clamping plates, a first locating plate, a 3 crushing head, a 4 second locating plate, a 5.L reinforcing block, a 6 first hinging hole, a 7 pin hole, a 8 reinforcing gasket, a 9 second hinging hole, a 10 sheath, a 11 space, a 12 welding seam, a 13 fixing strip, a 14 ear plate, a 131 threaded hole, a 31 fixing part, a 32 crushing part, a 33 bending part and a 34 straight surface.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 2-8, a split crusher comprises a clamping plate 1, a positioning member and a crushing head 3,
The two clamping plates 1 are arranged in parallel and oppositely, and the clamping plates 1 are used for clamping and fixing the positioning component;
The crushing head 3 is provided with a crushing part 32, a middle part and a fixing part 31, wherein the crushing part 32 is used for crushing an external working surface, and the fixing part 31 is contacted with the positioning component;
The space 11 enclosed by the positioning member and the clamping plate 1 is used for accommodating and retaining the fixing part 31 of the crushing head 3;
When the fixing part 31 of the crushing head 3 extends into the space 11, the fixing part 31 of the crushing head 3 is detachably connected with the clamping plate 1 through a fixing piece. In this embodiment, pin holes 7 are formed in the positions corresponding to the clamping plate 1 and the fixing portion 31, and lock pins are inserted into the pin holes 7 to fix the fixing portion 31 of the crushing head 3 and the clamping plate 1.
According to the crusher, the crushing head 3 is stretched into the positioning component and the space 11 around the clamping plate 1 to form the whole crusher, the space 11 can accommodate and fix the crushing head 3, so that the crushing strength of the crushing head 3 is ensured, meanwhile, the crushing head 3 and the clamping plate 1 are detachably connected through the fixing piece, the fixing piece is used for fixing the crushing head 3, the strength of the crushing head 3 is further improved, the crushing head 3 is detachable, the crushing heads 3 of different types are convenient to replace, different crushing occasions are met, and the adaptability is improved; in addition, the crushing head 3 is damaged, so that the crushing head 3 is convenient to replace in time, the crushing head 3 is only required to be replaced during replacement, the weight is light, the replacement is convenient, meanwhile, the material is saved, and the cost is saved.
Further, the fixing portion 31 of the crushing head 3 is substantially wedge-shaped, and smoothly tapers from the middle portion of the crushing head to the fixing portion. The utility model discloses the easy to assemble, two straight surfaces of first locating plate and second locating plate form certain contained angle for broken head fixed part and the space nature that two locating plates formed agree with, in order to make broken head clamping more inseparable.
Further, a smooth transition is provided between the outer edge of the crushing portion 32 of the crushing head 3 and the outer edge of the positioning member. As shown in fig. 2, the right side edge of the first positioning plate 2 smoothly transitions with the right side edge of the crushing portion 32, and the left side edge of the second positioning plate 4 smoothly transitions with the left side edge of the crushing portion 32. The outer edge of the crushing part 32 and the outer edge of the positioning component are in smooth transition, so that the digging resistance during crushing is reduced, and the efficiency and the digging depth are improved.
Further, the positioning means comprise a first positioning plate 2 and a second positioning plate 4, the first positioning plate 2, the second positioning plate 4 and the clamping plate 1 enclosing a space 11 for receiving and retaining a fixing portion 31 of the crushing head 3. The thicknesses of the first positioning plate 2, the second positioning plate 4 and the crushing head 3 are the same, and after the crushing head 3 is inserted into the space 11, the upper surfaces and the lower surfaces of the first positioning plate 2, the second positioning plate 4 and the crushing head 3 are flush. In this embodiment, the first positioning plate 2 is a flat plate structure similar to a drop shape, and the second positioning plate 4 is a flat plate structure similar to a triangle shape. The first locating plate 2 and the second locating plate 4 can be integrally formed with the clamping plates 1, and the first locating plate 2 and the second locating plate 4 can be welded between the two clamping plates 1.
Further, a bending part 33 pointing to the direction of the first positioning plate 2 is provided at the upper part of the fixing part 31 of the crushing head 3 near the top of the first positioning plate 2, the lower part of the fixing part 31 of the crushing head 3 is in direct surface contact with the first positioning plate 2, and the contact surface between the fixing part 31 of the crushing head 3 and the second positioning plate 4 is a direct surface 34. The straight surface 34 contact surface facilitates the insertion of the crushing head 3, and the design of the bending part 33 can improve the crushing strength of the crushing head 3 during crushing.
Further, the top parts of the second positioning plate 4 and the clamping plate 1 are provided with an ear plate 14, the ear plate 14 is provided with a first hinge hole 6, and the first hinge hole 6 is used for hinging an external crushing cylinder; the top of the first positioning plate 2 is flush with or slightly lower than the clamping plate 1, a second hinge hole 9 is formed in the first positioning plate 2, the second hinge hole 9 penetrates through the two clamping plates 1 and the first positioning plate 2, and a lubricating oil filling hole (not shown in the figure) communicated with the second hinge hole is formed in the position, close to the second hinge hole, of the clamping plate, so that lubrication and maintenance are facilitated. The ear plate is provided with the first hinge hole 6, so that the crushing cylinder is convenient to install, the first positioning plate 2 which does not extend out of the clamping plate 1 is matched, enough rotating space 11 is reserved for the whole crusher near the second hinge hole 9, the angle adjusting range of the crushing head 3 is increased, and the crushing range of the crushing head 3 is further increased.
Further, an L-shaped reinforcing block 5 is arranged at the edge of one side of the ear plate 14, the reinforcing block is used for pushing against an external forearm to apply force during excavation, and the L-shaped reinforcing block 5 is located at one side close to the first positioning plate 2. The L-shaped reinforcing block 5 is designed to enable the crushing head 3 to be in L-shaped surface contact with the forearm, so that the crushing force of the crushing head 3 can be improved, and the reinforcing block has a protective effect on the edge of the second positioning plate 4.
Further, reinforcing gaskets 8 are arranged on the outer sides of the two clamping plates 1, and the reinforcing gaskets 8 are arranged around the second hinge holes 9 and used for reinforcing the second hinge holes 9. The strength of the hinge hole is enhanced by the reinforcing gasket 8, so that the strength of the hinge hole is improved, and the service life is prolonged.
Further, the whole splint 1 is the arc, the arc edge of arc is the inclined plane structure, and the arc edge orientation the crushing portion 32, the low point on inclined plane is close to crushing portion 32 one side. The inclined surface structure can reduce crushing resistance and improve the crushing depth of the crushing head 3.
Further, the crushing device further comprises a tail fixing strip 13, the tail fixing strip 13 is arranged on the outer side of the extreme end of the fixing part 31 of the crushing head 3, two ends of the tail fixing strip 13 extend and are lapped on the two clamping plates 1, and the tail fixing strip 13 is detachably connected with the fixing part 31 of the crushing head 3. The tail fixing strip 13 is arranged, and the tail of the fixing part 31 of the crushing head 3 is tensioned and locked, so that moment offset in the direction from the breaking point to the tail is realized, and the stability of the crushing head during operation is further enhanced. The detachable connection can be generally realized by a mode of fastening connection/clamping groove connection, bolting connection (as shown in fig. 3, bolting connection) and the like, so long as the connection and locking of the fixing part of the crushing head and the clamping plate at the extreme end of the fixing part of the crushing head are realized. The crushing head can be conveniently replaced without damaging the parent body when reaching a certain service cycle.
Further, in order to protect the crushing head 3, the service life is prolonged, the bottom of the crushing part 32 is provided with the sheath 10, and the sheath 10 is detachably connected with the crushing part 32, so that the replacement is convenient.
The breaking device comprises the split breaker. The novel steel plate has the advantages of low replacement cost, high efficiency, strength reduction and service life extension.
The parts of the invention are all thickened steel plates. The strength is improved.
During assembly, the first positioning plate 2 and the second positioning plate 4 are welded between the two clamping plates 1 according to the designed size and angular position relation, the L-shaped reinforcing block 5 is welded on the right top angle of the second positioning plate 4, the reinforcing gasket 8 is welded on the periphery of the second hinge hole 9, a specific welding part (a welding joint 12) is seen in a striped line in the drawing, after welding, the crushing head 3 is inserted into a space 11 which is formed by the clamping plates 1, the first positioning plate 2 and the second positioning plate 4 and is used for accommodating the fixing part 31 of the crushing head 3, so that the four surfaces of the fixing part 31 of the crushing head 3 are fixed by the two clamping plates 1, the first positioning plate 2 and the second positioning plate 4, the clamping plates are tightly attached, then a locking pin shaft is inserted into the pin hole 7, the crushing head 3 is fixed on the clamping plates 1 through the locking pin shaft, bolts in the threaded holes 131 are screwed, and the crushing head 3 is fixed on the fixing strips 13. When the crushing head 3 is dismounted, the bolt and the nut are dismounted, and the lock pin shaft is taken out, so that the crushing head 3 can be removed and replaced. Because the detachable design of the crushing head 3 can change the crushing head 3 with different lengths according to different conditions so as to adapt to different working conditions, and the adaptability is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (7)

1. A split crusher, characterized in that: a split crusher, characterized in that: comprises a clamping plate, a positioning component, a crushing head and a tail fixing strip,
The two clamping plates are oppositely arranged and are used for clamping and fixing the positioning component;
The crushing head is provided with a crushing part, a middle part and a fixing part, the crushing part is used for crushing an external working surface, the fixing part of the crushing head is in a wedge shape, the part from the middle part of the crushing head to the fixing part is smoothly reduced, the fixing part is contacted with the positioning part, and the outer edge of the crushing part of the crushing head and the outer edge of the positioning part are in smooth transition;
The positioning component comprises a first positioning plate and a second positioning plate, the first positioning plate and the second positioning plate can be integrally formed with the clamping plates, and the first positioning plate and the second positioning plate can be welded between the two clamping plates; the first positioning plate, the second positioning plate and the clamping plate enclose a space for accommodating and retaining the fixing part of the crushing head, and two straight surfaces of the first positioning plate and the second positioning plate form a certain included angle so that the fixing part of the crushing head is naturally matched with the space formed by the two positioning plates;
when the fixing part of the crushing head stretches into the space, the fixing part of the crushing head is detachably connected with the clamping plate through a fixing piece;
The tail fixing strip is arranged on the outer side of the extreme end of the fixing part of the crushing head, two ends of the tail fixing strip extend and are lapped on the two clamping plates, and the tail fixing strip is detachably connected with the fixing part of the crushing head.
2. The split crusher according to claim 1, wherein: the whole arc platy that is of splint, the arc edge of splint is the inclined plane structure, and the arc edge orientation broken portion.
3. The split crusher according to claim 1, wherein: the upper part of the fixed part of the crushing head is close to the top of the first positioning plate and is provided with a bending part pointing to the direction of the first positioning plate, and the lower part of the fixed part of the crushing head is in direct surface contact with the first positioning plate; the contact surface of the fixing part of the crushing head and the second positioning plate is a straight surface.
4. A split crusher according to claim 3, characterized in that: the top parts of the second positioning plate and the clamping plate are provided with ear plates, the ear plates are provided with first hinge holes, and the first hinge holes are used for hinging an external crushing oil cylinder; the top of the first locating plate is flush with or slightly lower than the clamping plate, a second hinge hole is formed in the first locating plate, the second hinge hole penetrates through the two clamping plates and the first locating plate, and a lubricating oil filling hole communicated with the second hinge hole is formed in the clamping plate, close to the second hinge hole.
5. The split crusher according to claim 4, wherein: an L-shaped reinforcing block is arranged at the edge of one side of the lug plate and used for propping against an external forearm to apply force during excavation, and the L-shaped reinforcing block is positioned at one side close to the first positioning plate; and reinforcing gaskets are arranged on the outer sides of the two clamping plates, and are arranged around the second hinge holes and used for reinforcing the second hinge holes.
6. The split crusher according to claim 1, wherein: the crushing part is welded with a protruding tip, a sheath is arranged outside the protruding tip, and the sheath is made of high-strength materials.
7. A breaker device, characterized in that: a split crusher comprising any one of claims 1-6.
CN201811257065.9A 2018-10-26 2018-10-26 Split crusher and breaking device thereof Active CN109208662B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201811257065.9A CN109208662B (en) 2018-10-26 2018-10-26 Split crusher and breaking device thereof

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CN109208662B true CN109208662B (en) 2024-07-12

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111851632B (en) * 2020-08-28 2023-07-25 成都市猎石者破岩科技有限责任公司 Loosener, elastic connector and dismounting tool

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CN204715445U (en) * 2014-12-10 2015-10-21 东莞市海德机械有限公司 A kind of separate type ridge buster
CN107630482A (en) * 2017-11-17 2018-01-26 成都凯隆机械维修有限公司 Digging hook rock arm forearm with material filling mechanism
CN209162917U (en) * 2018-10-26 2019-07-26 刘裕志 Split type destroyer and its attack and destroy device

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KR101355628B1 (en) * 2011-05-04 2014-01-28 상진옥 Excavator's ripper
CN205742327U (en) * 2016-05-18 2016-11-30 龙合智能装备制造有限公司 Chisel woodenware
CN108086371B (en) * 2017-12-15 2021-07-02 成都开源智创工程机械设备有限公司 Rock arm for rock breaking

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Publication number Priority date Publication date Assignee Title
CN204715445U (en) * 2014-12-10 2015-10-21 东莞市海德机械有限公司 A kind of separate type ridge buster
CN107630482A (en) * 2017-11-17 2018-01-26 成都凯隆机械维修有限公司 Digging hook rock arm forearm with material filling mechanism
CN209162917U (en) * 2018-10-26 2019-07-26 刘裕志 Split type destroyer and its attack and destroy device

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Patentee after: CHENGDU KAIYUAN ZHICHUANG ENGINEERING MACHINERY EQUIPMENT Co.,Ltd.

Country or region after: China

Address before: Room 203, Building 44, No. 555 Jinfeng Road, Jintang County, Chengdu City, Sichuan Province, 610499

Patentee before: Liu Yuzhi

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