CN209438711U - The hammer dish structure of crusher rotor - Google Patents

Abstract

A kind of hammer dish structure of crusher rotor, including hammering disk ontology into shape, its center, which is constituted, hammer dish axle propeller boss, circumferencial direction on hammer disk ontology around hammer disk ontology sets tup axis hole, the position of two sides corresponding to tup axis hole respectively sets the wear-resisting cushion block of hammer shaft, the wear-resisting cushion block of hammer shaft and hammer disk ontology solid welding, the two sides and the position between adjacent tup axis hole for hammering disk ontology into shape are respectively extended with positioning pin axle bed, feature: further including the wear resistant and impact resistant ring whether there is or not endpoint, its solid welding is on hammer this body disc of disk edge, the wear-resisting cushion block of hammer shaft is with the flush for hammering this body disc of disk edge into shape and solid with the wear resistant and impact resistant boxing of no endpoint towards a side surface of hammer this body disc of disk edge, it hammers into shape on this body disc of disk edge and is spaced apart around the circumferencial direction of hammer this body disc of disk edge and be equipped with stress dispersion slot.Ensure the intensity of hammer disk ontology；Improve hammer this body disc of disk edge entirety is wear-resisting and impact resistance and extends the service life；Reduce manufacture difficulty and relatively cheap；Embody the ideal protecting effect to hammer this body disc of disk edge.

Description

The hammer dish structure of crusher rotor

Technical field

The utility model belongs to mining machinery technical field, and in particular to a kind of hammer dish structure of crusher rotor is used for Mineral raw material such as lime stone etc. is crushed.

Background technique

As is known in the industry, the hammer disk that crusher rotor generally includes to hammer dish axle into shape, be fixed on space state in hammer dish axle (has One group), the hammer shaft that is threaded through on hammer disk and the tup that is arranged on hammer shaft.It is no lack of in disclosed Chinese patent literature About the technical information of crusher rotor, such as: Authorization Notice No. CN2597078Y(rotor device for crusher), CN2832295Y (reversible hammer crusher), CN2829852Y(are without grid section reversable heavy hammer chrusher), CN200970535Y(crusher rotor Disk), CN200981006Y(two-way reversible piston rotary hammer breaker), CN201120288Y(impact breaker), CN201197947Y(crusher rotor), the adjustable single-section hammer type screening crusher of CN201791556U(end screening mechanism), CN201791557U(end screening mechanism moves single-section hammer type screening crusher), CN201791558U(single block hammer sieving approach Machine), the improved single-section hammer type screening crusher of CN201791559U(structure) and CN202078925U(large reduction ratio reversible Crusher), etc..

The common feature for being not limited to patent formula exemplified above is to be rotatably supported at the correspondence of crusher at both ends One group of hammer disk is fixed with space state in hammer dish axle that is on wall body and being sequentially connected with power drive mechanism, in one group of hammer One group of hammer shaft is arranged with space state on disk and around the circumferencial direction of hammer disk, it is on each hammer shaft and adjacent being located at It hammers the position between disk into shape and pivots setting tup.When to mineral raw material such as limestone crushing above-mentioned, by power transmission machine Structure drives hammer Shaft rotation, since hammer disk is fixed in hammer dish axle, drives hammer disk movement by hammer dish axle, and then by hammer dribbling Dynamic hammer shaft movement, is finally driven the tup for pivoting and being arranged on to move by hammer shaft, is crushed to the lime stone of bulk.But It is that above-mentioned patent has hammer disk logical disadvantage easy to damage, the hammer disk that middle part is located in especially one group of hammer disk is more easy to damage, because broken The maximum region of rotor stress of broken machine is located therein.The bad form of expression of hammer adjustment debit is not limited to following several situations: one Be hammer into shape disk disk edge generate squamous denude and fall off；Second is that there is fragmentation or even blocking fall off and is formed scarce in the edge of hammer disk Mouthful.There is the light crushing effect then influenced to mineral raw material in all this phenomenons, heavy then crusher rotor is caused to be scrapped, or even also deposits In security risk.

Industry has two to the disposition method of the hammer disk of damage, first is that carrying out weld deposit repairing for slight abrasion；Second is that being directed to The blocking situation integral replacing rotor that falls off.The former is difficult to obtain satisfactory degree using weld deposit repairing, because due to built-up welding Material is different from hammer disk material, and the two is difficult to good combination, easily divides in continuous use process de-；The latter to rotor integral replacing both Increase use cost, and influence operating efficiency and also cause the significant wastage of resource, because the crusher rotor replaced can only As scrap steel processing.

" rotor structure of crusher " that patent of invention CN103100465B recommends at least is being located in one group of hammer disk The edge of the circumferencial direction of each hammer disk of central region opens up the disk edge face of one group of perforation hammer disk with equidistant intervals state Wear-resisting insert chamber, inlay wear-resisting insert each wear-resisting insert is intracavitary, and open up in each wear-resisting insert for for hammer shaft The tup axis hole passed through.The patent formula improves the wear-resisting and impact resistance of hammer disk by wear-resisting insert, makes the use for hammering disk into shape Service life is extended, and can not only save use cost but also can ensure that crusher working efficiency and reduce more exchanging rotor it is several It rate and economizes on resources.

But above-mentioned CN103100465B still remains following shortcoming: first, due to needing hammering the circumferencial direction of disk into shape Edge interval opens up the wear-resisting insert chamber in the disk edge face of perforation hammer disk, i.e., one of interval is formed in the circumferencial direction of hammer disk A U-shaped chamber, thus the globality for hammering disk into shape can be generated certain influence to the integral strength of hammer disk by certain destruction, Although the wear-resisting insert chamber is compensated by wear-resisting insert, the use through a period of time, wear-resisting insert will appear loosening situation, must Disposition must be shut down in time；Second, falling off, staying in because of loosening once there is a certain wear-resisting insert by taking a hammer disk as an example Notch, that is, wear-resisting insert chamber (generating after the wear-resisting insert that falls off) on disk is hammered into shape at extremely fragile position, if failed in time It was found that then whole piece of hammer disk can be crushed to degree changed beyond recognition；Third, in order to avoid wear-resisting insert from wear-resisting insert as far as possible Chamber falls off, and wear-resisting insert chamber is designed to the combination of trapezoidal vallecular cavity and semicircle vallecular cavity and penetrates through the accent of trapezoidal vallecular cavity hammer into shape One end of wear-resisting insert is correspondingly designed to that prismatoid, the other end are designed to semicircular body, prismatoid and ladder by the disk edge face of disk Shape vallecular cavity matches, and semicircular body is matched with semicircle vallecular cavity, on the one hand this design method significantly increases the manufacture of hammer disk On the other hand difficulty not can avoid wear-resisting insert from the chamber of resistance to insert side to abjection, the wear-resisting insert of another further aspect is corresponding to wear-resisting Solid welding effect at slander block chamber with hammer disk is difficult to ensure；Fourth, hammering stress suffered by disk disk edge into shape due in hammer disk motion process It concentrates, thus is easy to undermine wear-resisting insert towards one end of hammer disk disk edge.In view of preceding factor, it is necessary to be improved, below will The technical solution to be introduced generates in this background.

Summary of the invention

The task of the utility model be to provide one kind help to abandon wear-resisting insert and be avoided influence hammer disk intensity, Be conducive to significantly improve hammer disk disk edge entirety is wear-resisting and impact resistance and be able to extend the service life of hammer disk, have convenient for It rationally reduces the manufacture difficulty of hammer disk under the premise of sufficiently ensureing the physical strength of hammer disk and emerges from economy, is beneficial to point Dissipate hammer disk Pan Yuanchu stress and emerge to hammer disk disk edge ideal protecting effect crusher rotor hammer dish structure.

What the task of the utility model was performed by, a kind of hammer dish structure of crusher rotor, including a hammer disk sheet Body, constituting in the center of the hammer disk ontology has a hammer dish axle propeller boss, around the circumference side of hammer disk ontology on hammer disk ontology Tup axis hole is offered to equidistant intervals state, it is resistance to be each provided with hammer shaft in the position for the two sides for corresponding to tup axis hole Cushion block, the wear-resisting cushion block of the hammer shaft and hammer disk ontology solid welding are ground, the two sides of disk ontology is being hammered into shape and is being located at two adjacent hammer shafts Position between hole is respectively extended with the positioning pin axle bed to correspond to each other, is characterized in that further including the wear resistant and impact resistant whether there is or not endpoint Ring, the wear resistant and impact resistant boxing without endpoint is solid on hammer disk this body disc edge of hammer disk ontology, the wear-resisting cushion block of the hammer shaft Wear-resisting anti-impact towards a side surface of hammer this body disc of disk edge with the flush for hammering this body disc of disk edge into shape and with the no endpoint It hits boxing to consolidate, be spaced apart on hammer this body disc of disk edge and around the circumferencial direction of hammer this body disc of disk edge equipped with stress dispersion slot.

In a specific embodiment of the utility model, the two sides of the wear resistant and impact resistant ring respectively lean out the hammer disk The side of this body disc edge and lean out degree be with the thickness of the wear-resisting cushion block of the hammer shaft be adapted.

In another specific embodiment of the utility model, the stress dispersion slot notch direction of the stress dispersion slot The wear resistant and impact resistant ring.

In another specific embodiment of the utility model, the stress dispersion slot is on hammer disk this body disc edge Position be, and the tup axis hole, positioning pin axle bed and stress dispersion slot three corresponding with the positioning pin axle bed The quantity of person is equal.

In another specific embodiment of the utility model, the shape semicircular in shape or U-shaped of the stress dispersion slot Shape.

In the utility model there are one in specific embodiment, the wear-resisting cushion block of hammer shaft by one end cuboid It is collectively formed with the semicircular body of the other end, the surface of the cuboid towards the side of hammer this body disc of disk edge of one end is configured to round Cambered surface, the arc surface and the wear resistant and impact resistant boxing are solid, and the semicircular body of the other end is towards the hammer dish axle propeller boss.

In the utility model more and in a specific embodiment, the wear resistant and impact resistant ring is by cemented carbide material It is made.

In a specific embodiment in turn of the utility model, the cemented carbide material is that Brinell hardness is The wear resistant and impact resistant steel of HB500.

The utility model again more and in a specific embodiment, the wear-resisting cushion block of the hammer shaft be hardness The antifriction alloy cushion block of HB400-500.

In the utility model again and then in a specific embodiment, the hammer dish axle propeller boss has a hammer dish axle solid Determine hole, offers keyway on the hole wall of the hammer dish axle fixation hole；Self-positioning pin shaft is offered on the positioning pin axle bed One end is penetrated through to the positioning pin axis hole of the other end.

One of the technical effect of technical solution provided by the utility model is welded on hammer this body disc of disk edge due to using The wear resistant and impact resistant ring without endpoint, thus abandoned using wear-resisting insert, without opening up on hammer this body disc of disk edge for wear-resisting The notch that insert is bumped into sufficiently has ensured the intensity of hammer disk ontology；Two, due to by wear resistant and impact resistant ring to hammer disk ontology hammer The comprehensive envelope of disk this body disc edge, thus be improved hammer this body disc of disk edge entirety is wear-resisting and impact resistance and extended Hammer the service life of disk ontology into shape；Three, due to use wear resistant and impact resistant ring, thus can be significantly reduced hammer disk ontology manufacture Difficulty and embody relatively cheap property；Four, since interval has opened up stress dispersion slot on hammer this body disc of disk edge, thus can keep away Exempt from stress and concentrate on hammer this body disc of disk edge, embodies the ideal protecting effect to hammer this body disc of disk edge.

Detailed description of the invention

Fig. 1 is the embodiments of the present invention structure chart.

Fig. 2 is the front view of the utility model.

Fig. 3 is the cross-sectional view of the utility model.

Fig. 4 is the schematic diagram that the utility model is in use state.

Specific embodiment

In order to which the technical essence of the utility model and beneficial effect is more clearly understood, applicant is below with reality The mode for applying example elaborates, but is not limitation to the utility model, any foundation to the description of embodiment The made only formal but not substantive equivalent transformation of the utility model design is regarded as the utility model Technical solution scope.

Referring to Figure 1 to Fig. 3, a hammer disk ontology 1 is shown, constituting in the center of the hammer disk ontology 1 has a hammer disk Axis propeller boss 11, the circumferencial direction on hammer disk ontology 1 around hammer disk ontology 1 offer tup axis hole with equidistant intervals state 12, the wear-resisting cushion block 121 of hammer shaft, the wear-resisting cushion block of the hammer shaft are each provided in the position for the two sides for corresponding to tup axis hole 12 121 with hammer 1 solid welding of disk ontology, hammer disk ontology 1 two sides and the position between two adjacent tup axis holes 12 respectively prolong Stretching has the positioning pin axle bed 13 to correspond to each other.

Technical essential as technical solution provided by the utility model: in the knot of the hammer dish structure of aforementioned crusher rotor It further include the wear resistant and impact resistant ring 2 whether there is or not endpoint in structure system, 2 solid welding of wear resistant and impact resistant ring without endpoint is in hammer disk ontology 1 Hammer this body disc of disk edge 14 on, the wear-resisting cushion block 121 of hammer shaft above-mentioned towards hammer this body disc of disk edge 14 a side surface and hammer disk The flush of this body disc edge 14 and 2 solid welding of wear resistant and impact resistant ring with aforementioned no endpoint, on hammer this body disc of disk edge 14 simultaneously And it is spaced apart around the circumferencial direction of hammer this body disc of disk edge 14 and is equipped with stress dispersion slot 141.

The two sides of foregoing wear shock resistance ring 2 respectively lean out it is aforementioned hammer this body disc of disk edge 14 side and lean out degree be with What the thickness of the aforementioned wear-resisting cushion block 121 of hammer shaft was adapted.For example, when the wear-resisting cushion block 121 of hammer shaft is with a thickness of 8-15mm, So the two sides of wear resistant and impact resistant ring 2 respectively lean out the side 8-15mm for hammering this body disc of disk edge 4 into shape.

As shown in figure, the stress dispersion slot notch of the aforesaid stresses dispersion slot 141 sleeping shock resistance ring towards aforementioned resistance to high pillow 2。

In the present embodiment, aforesaid stresses dispersion slot 141 it is aforementioned hammer this body disc of disk edge 14 on position be with it is aforementioned fixed Position axis pin base 13 is corresponding, and the quantity of 141 three of aforementioned tup axis hole 12, positioning pin axle bed 13 and stress dispersion slot It is equal.In figure (Fig. 1 and Fig. 2) though it is shown that tup axis hole 12, positioning pin axle bed 13 and stress dispersion slot 141 number Amount is respectively five, it is apparent that should not be limited by diagram quantity.

In the present embodiment, the shape semicircular in shape of aforesaid stresses dispersion slot 141 is but it is also possible to be U-shaped.

In the present embodiment, the wear-resisting cushion block 121 of aforementioned hammer shaft is by the cuboid 1211 of one end and the semicircular body of the other end 1212 collectively form, and the surface of the cuboid 1211 towards the side of aforementioned hammer this body disc of disk edge 141 of one end is configured to arc surface 12111, the arc surface 12111 and 2 solid welding of foregoing wear shock resistance ring, and the semicircular body 1212 of the other end is towards hammer disk above-mentioned Axis propeller boss 11.

In the present embodiment, it is cloth that the cemented carbide material, which is made, by cemented carbide material in wear resistant and impact resistant ring 2 above-mentioned Family name's hardness be HB500(can also be written as " 500HB ") wear resistant and impact resistant steel.The full name of HB500 above-mentioned is: HARDOX is brave to be reached 500 that is, HARDOX500, Brinell hardness 500HB, the strong point with high rigidity, high intensity and high tenacity.

In the present embodiment, the wear-resisting cushion block 121 of hammer shaft above-mentioned is the antifriction alloy cushion block of hardness HB400-500.

As shown in Fig. 1 to Fig. 3, hammer dish axle propeller boss 11 above-mentioned has a hammer dish axle fixation hole 111, fixes in the hammer dish axle Keyway 1111 is offered on the hole wall in hole 111；One end perforation of self-positioning pin shaft 13 is offered on aforementioned positioning pin axle bed 13 To the positioning pin axis hole 131 of the other end.

It refers to Fig. 4 and combines Fig. 1 to Fig. 3, hammer dish axle 3 and alignment pin 4 and hammer shaft 5 is shown in FIG. 4, it is preceding The hammer disk ontology 1 stated has one group (present embodiment illustrates nine) and by the hammer dish axle fixation hole of aforementioned hammer dish axle propeller boss 11 111 are fixed in hammer dish axle 3, and the key and 1111 key of keyway hammered into shape in dish axle 3 are consolidated, and alignment pin 4 is set in positioning pin axis hole 131 It is interior, and hammer shaft 5 is placed through in tup axis hole 12 above-mentioned, is each two adjacent hammer disks on hammer shaft 5 and in correspondence Tup 51 is rotationally provided between ontology 1.As a preferred option, can correspond in the left end of hammer shaft 5 and right end One hammer disk ontology 1 on the left side and the right in one group of hammer disk ontology 1 respectively passes through tup axle bumper to the position of tup axis hole 12 Valve snail nail 521 fixes a hammer shaft block plate 52, scurries out tup axis hole 12 to avoid hammer shaft 5.Furthermore hammer dish axle 3 on and A hammer dish axle block plate 31 is respectively arranged in the position of a hammer disk ontology 1 corresponding to the left side and the right in one group of hammer disk ontology 1, The hammer dish axle block plate 31 is fixed using hammer dish axle block plate screw 311 and hammer disk ontology 1.It is driven by power mechanism 6 and passes through axle bed 32 Aforementioned hammer dish axle 3 rotation being rotatably supported on the cabinet of crusher, hammer disk ontology 1 rotate, by tup 51 to minerals original Material is broken.Due to being provided with wear resistant and impact resistant ring 2 on hammer this body disc of disk edge 14 of hammer disk ontology 1, thus can be to hammer disk ontology 1 Play ideal protective effect.

In conclusion technical solution provided by the utility model compensates for the shortcoming in prior art, favorably accomplish Invention task has faithfully fulfilled the technical effect that applicant refers in technical effect column above.

Claims (10)

1. a kind of hammer dish structure of crusher rotor, including hammer disk ontology (1), in the center structure of the hammer disk ontology (1) Cheng Youyi hammers dish axle propeller boss (11) into shape, and the circumferencial direction on hammer disk ontology (1) around hammer disk ontology (1) is with equidistant intervals state Tup axis hole (12) are offered, are each provided with the wear-resisting cushion block of hammer shaft in the position for the two sides for corresponding to tup axis hole (12) (121), the wear-resisting cushion block of the hammer shaft (121) and hammer disk ontology (1) solid welding are hammering the two sides of disk ontology (1) into shape and are being located at two-phase Position between adjacent tup axis hole (12) is respectively extended with the positioning pin axle bed (13) to correspond to each other, it is characterised in that further includes having Wear resistant and impact resistant ring (2) without endpoint, hammer disk ontology of wear resistant and impact resistant ring (2) solid welding without endpoint in hammer disk ontology (1) On disk edge (14), a side surface and hammer disk ontology of the wear-resisting cushion block of the hammer shaft (121) towards hammer this body disc of disk edge (14) The flush of disk edge (14) and wear resistant and impact resistant ring (2) solid welding with the no endpoint, on hammer this body disc of disk edge (14) And it is spaced apart around the circumferencial direction of hammer this body disc of disk edge (14) and is equipped with stress dispersion slot (141).

2. the hammer dish structure of crusher rotor according to claim 1, it is characterised in that the wear resistant and impact resistant ring (2) Two sides respectively lean out the side of the hammer this body disc of disk edge (14) and lean out degree What thickness was adapted.

3. the hammer dish structure of crusher rotor according to claim 1, it is characterised in that the stress dispersion slot (141) Stress dispersion slot notch is towards the wear resistant and impact resistant ring (2).

4. the hammer dish structure of crusher rotor according to claim 1, it is characterised in that the stress dispersion slot (141) exists Position on the hammer this body disc of disk edge (14) is, and the tup axis hole corresponding with positioning pin axle bed (13) (12), the quantity of positioning pin axle bed (13) and stress dispersion slot (141) three are equal.

5. the hammer dish structure of crusher rotor described according to claim 1 or 3 or 4, it is characterised in that the stress dispersion slot (141) shape semicircular in shape or U-shaped.

6. the hammer dish structure of crusher rotor according to claim 1, it is characterised in that the wear-resisting cushion block of hammer shaft (121) it is collectively formed by the cuboid (1211) of one end and the semicircular body (1212) of the other end, cuboid (1211) court of one end Be configured to arc surface (12111) to the surface of side of the hammer this body disc of disk edge (14), the arc surface (12111) with it is described resistance to Shock resistance ring (2) solid welding is ground, and the semicircular body (1212) of the other end is towards the hammer dish axle propeller boss (11).

7. the hammer dish structure of crusher rotor described according to claim 1 or 2 or 3 or 6, it is characterised in that described is wear-resisting anti- Impact ring (2) is made of cemented carbide material.

8. the hammer dish structure of crusher rotor according to claim 7, it is characterised in that the cemented carbide material is cloth Family name's hardness is the wear resistant and impact resistant steel of HB500.

9. the hammer dish structure of crusher rotor described according to claim 1 or 2 or 6, it is characterised in that the hammer shaft is resistance to Grind the antifriction alloy cushion block that cushion block (121) are hardness HB400-500.

10. the hammer dish structure of crusher rotor according to claim 1, it is characterised in that the hammer dish axle propeller boss (11) With hammer dish axle fixation hole (111), keyway (1111) are offered on the hole wall of the hammer dish axle fixation hole (111)；Described One end that self-positioning pin shaft (4) is offered on positioning pin axle bed (13) is penetrated through to the positioning pin axis hole (131) of the other end.