CN104383987A - Breaking tooth - Google Patents

Breaking tooth Download PDF

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Publication number
CN104383987A
CN104383987A CN201410648816.5A CN201410648816A CN104383987A CN 104383987 A CN104383987 A CN 104383987A CN 201410648816 A CN201410648816 A CN 201410648816A CN 104383987 A CN104383987 A CN 104383987A
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CN
China
Prior art keywords
crushing teeth
rib
breaking tooth
breaking
shaker arm
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Granted
Application number
CN201410648816.5A
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Chinese (zh)
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CN104383987B (en
Inventor
张桂添
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张桂添
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Priority to CN201410648816.5A priority Critical patent/CN104383987B/en
Publication of CN104383987A publication Critical patent/CN104383987A/en
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Publication of CN104383987B publication Critical patent/CN104383987B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00Other disintegrating devices or methods
    • B02C19/16Mills provided with vibrators
    • 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

Abstract

The embodiment of the invention discloses a breaking tooth which is arranged on a vibration arm of a breaking hammer. The breaking tooth is characterized by comprising a central mold body which is of a rectangular pyramid shape, and the end surface of the pyramid tip is square; rib bodies integrated with the central mold body are arranged at the middle parts of two symmetrical side surfaces of the central mold body, and two sides of the rib body and an edge adjacent to the central mold body form a guide groove. According to the breaking tooth, the rib bodies are additionally arranged on the central mold body, the overall strength and the rigidity of the breaking tooth are improved, and the breaking tooth cannot be easily broken off; soil dust on an action area between the breaking tooth and rock soil can be guided out by the guide groove, the driving resistance of the breaking tooth can be reduced, the dusts can be prevented from bonding on the breaking tooth to influence the sharpness of the breaking tooth, and the power performance and the breaking efficiency of the breaking tooth can be effectively improved.

Description

A kind of crushing teeth
Technical field
The present invention relates to broken rock and soil technical field of mechanical equipment, particularly relate to and a kind ofly hammer supporting crushing teeth into shape with swing crushing.
Background technology
At present, hammer supporting crushing teeth into shape with swing crushing and generally adopt conventional Rod structure, its mechanical property is all determined by self material, and the technology that the structure by improving self improves its mechanical property is often ignored by people, during drill steel work, due to the restriction of himself structure, the soil dust on the zone of action between crushing teeth and ground is failed rationally to discharge, cause soil-entering resistance to increase, affect power performance and the crushing efficiency of crushing teeth, also accelerate the wearing and tearing of crushing teeth simultaneously; In addition, when crushing teeth is installed, general employing bearing pin positions and fixes, but often there is axial gap surplus between crushing teeth and shaker arm end are connected, this surplus causes crushing teeth and shaker arm to fail thoroughly to be connected as a single entity, have impact on the power transmission of shaker arm to a certain extent, and due to bearing pin be mainly stressed attaching parts, under the state of high frequency vibration catalase, easily occur to loosen, the phenomenon of distortion.Visible, existing crushing teeth will be difficult to meet the demand of market development by means of only improving self material to improve mechanical property.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of structural strength high and the crushing teeth that power performance is good.
In order to solve the problems of the technologies described above, embodiments provide a kind of crushing teeth, be arranged on the shaker arm of quartering hammer, it is characterized in that: described crushing teeth comprises a center carcass, described center carcass is tetrapyamid shape, and its conehead end face is square; Be equipped with in the middle part of the two sides of described center carcass symmetry and the integrated shaft of rib of described center carcass; The guide groove that soil dust on the zone of action between described crushing teeth and ground can be derived by adjacent with the described center carcass respectively seamed edge one in the both sides of described shaft of rib.
As preferably, described crushing teeth is fixedly connected with described shaker arm end by connecting base.
As preferably, described connection base comprises web, be connected to described web both sides and for be fixedly connected with described shaker arm end wing plate, to be arranged in the middle part of described web and along the boss of described wing plate rightabout projection.
As preferably, the top of described crushing teeth is provided with the trepanning be connected with described boss.
As preferably, described boss is tetragonous cone table; Correspondingly, described trepanning is rectangular pyramid cover endoporus.
As preferably, described web is provided with multiple through hole connected for bolt; Correspondingly, the top of described crushing teeth be provided with multiple for nut fix and with bolted mount pad.
As preferably, by being welded and fixed between described wing plate and shaker arm end.
As preferably, the end of described shaft of rib is connected with the conehead end face sideline transition of described center carcass by circular arc.
Implement the embodiment of the present invention, compared with prior art, there is following beneficial effect:
(1) the present invention by setting up shaft of rib on the carcass of center, and on the one hand, because center carcass and shaft of rib are formed in one, shaft of rib can play booster action to center carcass, thus effectively improves bulk strength and the rigidity of crushing teeth, makes its not frangibility; On the other hand, due to the guide groove formed between center carcass and shaft of rib, under the state of high frequency vibration broken rock and soil, the soil dust be conducive on the zone of action between crushing teeth and ground is derived, reduce crushing teeth soil-entering resistance, prevent soil dust from adhering to crushing teeth simultaneously and affect the sharp of crushing teeth, thus effectively improve crushing teeth power performance and crushing efficiency thereof;
(2) the present invention is by the shape of center carcass and the design of shaft of rib, and make crushing teeth form 8 sharp keen corner angle limits, when broken ground, the effect of tearing ground can be played in corner angle limit, thus reaches good crushing effect;
(3) the present invention utilizes the trepanning of crushing teeth, and the boss connecting base is made into closely cooperating of four sides tapering, and utilize many group screw bolt and nut to axially fasten, thus realize comprehensive fixing, crushing teeth not easily gets loose, and easy accessibility after wearing and tearing; In addition, utilize screw bolt and nut to axially fasten, the axial gap between boss and trepanning can also be made to take out further and be close to conjunction, be conducive to the power transmission of shaker arm, strengthen the crushing force of crushing teeth.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of an embodiment of crushing teeth of the present invention;
Fig. 2 is the structural representation of the connection base matched with Fig. 1 embodiment;
Fig. 3 is crushing teeth and the installation diagram being connected base;
Fig. 4 is the schematic diagram that the application example of Fig. 3 is installed on shaker arm.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Shown in Figure 1, one embodiment of the invention, a kind of crushing teeth, is arranged on the shaker arm 9 of quartering hammer, it is characterized in that: described crushing teeth comprises a center carcass 1, and described center carcass 1 is in tetrapyamid shape, and its conehead end face is square; Shaft of rib 2 integrated with described center carcass 1 is equipped with in the middle part of the two sides of described center carcass 1 symmetry; The seamed edge that the both sides of described shaft of rib 2 are adjacent with described center carcass 1 respectively forms a guide groove 3; Soil dust on the zone of action between described crushing teeth and ground outwards can be derived along described guide groove 3.In an embodiment, the material of this crushing teeth adopts high alloy steel casting, like this, the present invention by setting up shaft of rib 2 on center carcass 1, on the one hand, because center carcass 1 and shaft of rib 2 are formed in one, shaft of rib 2 pairs of center carcasses 1 can play booster action, effectively improve bulk strength and the rigidity of crushing teeth, make its not frangibility; On the other hand, due to the guide groove 3 formed between center carcass 1 and shaft of rib 2, under the state of high frequency vibration broken rock and soil, the soil dust be conducive on the zone of action between crushing teeth and ground is derived, reduce crushing teeth soil-entering resistance, prevent soil dust from adhering to crushing teeth simultaneously and affect the sharp of crushing teeth, thus effectively improve crushing teeth power performance and crushing efficiency thereof; In addition, by the shaft of rib 2 of the center carcass 1 of tetrapyamid shape and the design of square strip, make crushing teeth form 8 sharp keen corner angle limits, when broken ground, the effect of tearing ground can be played in corner angle limit, thus reaches good crushing effect.
More preferably, described crushing teeth is fixedly connected with described shaker arm 9 end by connecting base 4.Described connection base 4 comprises web 41, be connected to described web 41 both sides and wing plate 42 for being fixedly connected with described shaker arm 9 end, in an embodiment, by being welded and fixed between described wing plate 42 and shaker arm 9 end.The boss 43 along described wing plate 42 rightabout projection is provided with in the middle part of described web 41; Correspondingly, the top of described crushing teeth is provided with the trepanning 5 be connected with described boss 43; In an embodiment, this boss 43 is preferably tetragonous cone table, and accordingly, trepanning 5 is preferably rectangular pyramid cover endoporus, utilize the boss 43 of the trepanning 5 of crushing teeth and connection base 4 to be made into closely cooperating of four sides tapering, limit circumferential displacement and the radial displacement of crushing teeth.Described web 41 is provided with multiple through hole 44 connected for bolt; Correspondingly, the top of described crushing teeth be provided with multiple for nut 7 fixing the and mount pad 6 be connected with bolt 8; In an embodiment, bolt 8 and nut 7 are provided with 6 groups altogether, during installation, be fixed on by nut 7 in mount pad 6, bolt 8 can be connected with corresponding nut 7 through through hole 44, thus axially fastens crushing teeth, limit the axial displacement of crushing teeth, make the axial gap between boss 43 and trepanning 5 take out further simultaneously and be close to conjunction, be conducive to the power transmission of shaker arm 9, strengthen the crushing force of crushing teeth.Visible, crushing teeth can be connected as a single entity with shaker arm 9 effectively, and comprehensive the fixing of crushing teeth not easily gets loose, and multiple bolt 8 is jointly stressed not yielding, when needing to change after crushing teeth wearing and tearing, unclamps bolt 8, its easy accessibility.
More preferably, the end of described shaft of rib 2 is connected with the conehead end face sideline transition of described center carcass 1 by circular arc, is conducive to conehead and inserts ground vibration fragmentation.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.

Claims (8)

1. a crushing teeth, is arranged on the shaker arm of quartering hammer, it is characterized in that: described crushing teeth comprises a center carcass, and described center carcass is tetrapyamid shape, and its conehead end face is square; Be equipped with in the middle part of the two sides of described center carcass symmetry and the integrated shaft of rib of described center carcass; Adjacent with the described center carcass respectively seamed edge in the both sides of described shaft of rib forms the guide groove soil dust on the zone of action between described crushing teeth and ground outwards can derived.
2. crushing teeth as claimed in claim 1, is characterized in that: described crushing teeth is fixedly connected with described shaker arm end by connecting base.
3. crushing teeth as claimed in claim 2, is characterized in that: described connection base comprises web, be connected to described web both sides and for be fixedly connected with described shaker arm end wing plate, to be arranged in the middle part of described web and along the boss of described wing plate rightabout projection.
4. crushing teeth as claimed in claim 3, is characterized in that: the top of described crushing teeth is provided with the trepanning be connected with described boss.
5. crushing teeth as claimed in claim 4, is characterized in that: described boss is tetragonous cone table; Correspondingly, described trepanning is rectangular pyramid cover endoporus.
6. crushing teeth as claimed in claim 3, is characterized in that: described web is provided with multiple through hole connected for bolt; Correspondingly, the top of described crushing teeth be provided with multiple for nut fix and with bolted mount pad.
7. crushing teeth as claimed in claim 3, is characterized in that: by being welded and fixed between described wing plate and shaker arm end.
8. the crushing teeth as described in claim 1 to 7 any one, is characterized in that: the end of described shaft of rib is connected with the conehead end face sideline transition of described center carcass by circular arc.
CN201410648816.5A 2014-11-14 2014-11-14 Breaking tooth Active CN104383987B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410648816.5A CN104383987B (en) 2014-11-14 2014-11-14 Breaking tooth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410648816.5A CN104383987B (en) 2014-11-14 2014-11-14 Breaking tooth

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Publication Number Publication Date
CN104383987A true CN104383987A (en) 2015-03-04
CN104383987B CN104383987B (en) 2017-02-22

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2838746Y (en) * 2005-10-20 2006-11-22 上海建设路桥机械设备有限公司 Weighted beater for crusher
DE202006019687U1 (en) * 2006-12-27 2007-03-08 Doppstadt Familienholding Gmbh Beating arrangement for controlled crushing of materials has tooth shaped impact and cutting element, which are composed of two impact surfaces, which are arranged at certain angle to each other
CN201776165U (en) * 2010-03-11 2011-03-30 上海明山路桥机械制造有限公司 Board hammer for crusher
CN202725257U (en) * 2012-08-02 2013-02-13 宿迁大北农饲料有限责任公司 Hammer of high-efficiency feed grinder
CN203170401U (en) * 2013-02-28 2013-09-04 林怀敏 Energy-saving abrasion-resistant alloy combined flat hammer hammer of impact crusher
CN203577936U (en) * 2013-11-26 2014-05-07 上海上鸣机械科技有限公司 Vibrating knife bar for high-frequency breaking hammer
CN203695168U (en) * 2013-12-29 2014-07-09 上海上鸣机械科技有限公司 High-frequency breaking hammer
CN204294294U (en) * 2014-11-14 2015-04-29 张桂添 A kind of crushing teeth

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2838746Y (en) * 2005-10-20 2006-11-22 上海建设路桥机械设备有限公司 Weighted beater for crusher
DE202006019687U1 (en) * 2006-12-27 2007-03-08 Doppstadt Familienholding Gmbh Beating arrangement for controlled crushing of materials has tooth shaped impact and cutting element, which are composed of two impact surfaces, which are arranged at certain angle to each other
CN201776165U (en) * 2010-03-11 2011-03-30 上海明山路桥机械制造有限公司 Board hammer for crusher
CN202725257U (en) * 2012-08-02 2013-02-13 宿迁大北农饲料有限责任公司 Hammer of high-efficiency feed grinder
CN203170401U (en) * 2013-02-28 2013-09-04 林怀敏 Energy-saving abrasion-resistant alloy combined flat hammer hammer of impact crusher
CN203577936U (en) * 2013-11-26 2014-05-07 上海上鸣机械科技有限公司 Vibrating knife bar for high-frequency breaking hammer
CN203695168U (en) * 2013-12-29 2014-07-09 上海上鸣机械科技有限公司 High-frequency breaking hammer
CN204294294U (en) * 2014-11-14 2015-04-29 张桂添 A kind of crushing teeth

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