CN106732950A

CN106732950A - Impact breaker

Info

Publication number: CN106732950A
Application number: CN201710140594.XA
Authority: CN
Inventors: 金鸣; 盛尉
Original assignee: SINOMA CHANGSHU HEAVY MACHINERY CO Ltd
Current assignee: SINOMA CHANGSHU HEAVY MACHINERY CO Ltd
Priority date: 2017-03-10
Filing date: 2017-03-10
Publication date: 2017-05-31

Abstract

A kind of impact breaker, including rotor, the rotor include rotor main shaft, follow hammer disk that the length direction interval of rotor main shaft is located on rotor main shaft, the bar that bar seat that the circumferencial direction around hammer disk is located on hammer disk with equidistant intervals state is equal with the quantity of bar and for the contract block to bar contract fixed bit, feature：Bar seat is independently located on hammer disk, bar tenon is set in the length direction of bar seat close flange caulking groove, relative to one piece of bar seat, bar has two pieces of head and the tail engagement each other and respectively has bar tenon to close flange, the bar tenon closes flange and is examined in tenon conjunction flange caulking groove with the bar tenon corresponding and embedded bar of conjunction flange caulking groove, relative to one piece of bar seat, the quantity of contract block with hammer disk quantity it is equal and positioned at bar back to bar seat side and hammer disk towards between the side of bar, be provided between each two adjacent hammer disks hammer disk support block.It is easily manufactured, it is quick to install；Simplify structure；Improve the intensity of hammer disk.

Description

Impact breaker

Technical field

The invention belongs to mining machinery technical field, and in particular to a kind of impact breaker, for mineral raw material Such as lime stone, coal are crushed.

Background technology

Impact breaker is that a kind of utilization impact principle implements the raw mineral materials for enbrittling lime stone as the aforementioned Broken crushing mechanism, its disintegrating machine with squash type principle（Such as jaw, rotary, circular cone type, roll-type）Compare, due to broken Than big, thus production system can be simplified and reduced investment outlay.Rotor is the power core of impact breaker（Bar is arranged on and turns On son）, the whether reasonable operating efficiency to disintegrating machine of its structure and the crushing effect to raw mineral materials can produce important shadow Ring.

The technical information of the rotor on impact breaker can largely be seen in disclosed Chinese patent literature, such as award Power notification number CN2704415Y（The rotor of beating type crusher）、CN2899936Y（The full combined type of impact breaker turns Son）、CN201470430U（Impact crusher rotor）、CN201394473Y（Reaction-type crusher rotor device）、 CN201659001U（The rotor arrangement of impact breaker）, publication No. CN102179275A（Polygonal welded-type impact is broken to be turned Son）、CN202037029U（The rotor of impact crusher）、CN202137010U（Novel rotor of impact crusher）、 CN202087355U（The attachment structure of impact crusher rotor plate and bar）、CN202137010U（New backpulsing disintegrating machine Rotor）、CN202516617U（It is a kind of to strike back broken rotor structure）, publication number CN1634660A（Impact crusher rotor）With Publication No. CN102179276A（Impact crushing rotor）, etc..

The rotor structure of patents and patent applicationss scheme exemplified above is not limited to generally in the structure shown in Fig. 4 Make, including rotor main shaft 1 and one group of hammer disk 2 being arranged on space state on rotor main shaft 1, welding on one group of hammer disk 2 The mode of connecing is fixed with bar seat 21.Theoretically, bar seat 21 is reliable with the effect that hammer disk 2 is combined as a whole by welding , but in the case where impact breaker is in running order, the great force from bar easily make bar seat 21 with hammer disk 2 it Between welding position destroyed, cause that bar seat 21 is overall to come off, influence impact breaker if being repaired on it in time Operating efficiency, and rehabilitation cost is larger, if repaired to it not in time, then there is the anxiety that machine is ruined in initiation, if changed New impact breaker, then not only cause investment to increase, and cause the wasting of resources.Therefore tediously long bar seat 21 is made For an independent part is queried with one group of welded structure form of hammer disk 2 by industry, and expect to improve.

" rotor structure of impact breaker " that invention patent mandate notification number CN103831150B is provided is due to by plate Hammer seat directly constitute in hammer disk and two it is adjacent hammer disks between and corresponding to bar seat position there is provided bar seat increase Strong block, thus when impact breaker is in running order, bar seat will not be damaged because of the great force of bar, not only may be used To ensure the lasting operating efficiency of impact breaker, and maintenance cost can be saved significantly on and the wasting of resources is avoided（Say The 0017th section of bright book）.

But still there is following 2 shortcoming in above-mentioned CN103831150B：First, due to for one piece of bar, Need to be equipped with a fairly large number of one group of hammer disk enhancing block, specifically directly constituting in each two adjacent hammer disk seats on hammer disk Between be respectively bumped into a hammer disk enhancing block, otherwise under the impulsive force of bar bar seat easily fragmentation, thus exist attend to one thing and lose sight of another ask Topic, it is so-called to turn round and look at this, be as able to promote the generally robust effect of bar seat, so-called mistake that be and cause to manufacture and install fiber crops It is tired, the bar seat pin axis hole that supply and marketing axle wears for example not only is opened up on bar seat, and phase on block need to be strengthened in each hammer disk Pin shaft hole should be opened up, the pin shaft hole is corresponding with foregoing bar seat pin axis hole, to be interted by bearing pin；Second, due to except Foregoing one group is directly constituted in need to also be by contract block plate and contract block outside the bar seat on hammer disk and one group of hammer disk enhancing block Collaboration and so that bar is limited, thus structure is relative complex, same to be made troubles with installation to manufacture.

For above-mentioned prior art, still there is improved necessity, be that this applicant has made beneficial design, form following The technical scheme that will be introduced, and prove practical through computer simulation deduction experiment in the case where secrecy provision is taken 's.

The content of the invention

Task of the invention is that offer is a kind of to be helped to make bar seat be separated with hammer disk and form an independent overall knot Structure and use convenient manufacture and installation, be conducive to ensuring directly reliably to be limited to bar on the premise of contract block plate is abandoned Used between bar seat and contract block and significantly simplify structure, be beneficial to promote the intensity of hammer disk and using ensured in the reasonable time The impact breaker of service life.

What task of the invention was performed by, a kind of impact breaker, an including rotor, the rotor includes rotor Main shaft, follow rotor main shaft length direction be disposed on rotor main shaft hammer disk, around hammer disk circumferencial direction with etc. The bar seat being arranged on apart from space state on hammer disk it is equal with the quantity of bar seat and with the bar bar that is engaged of seat And for the contract block to bar contract fixed bit, it is characterised by that described bar seat is independently positioned on hammer disk, in the bar The length direction of seat and offer a bar tenon towards the side of the bar and close flange caulking groove, relative to one piece of bar seat, Bar has two pieces of head and the tail engagement each other and in the plate for having a surface for being raised in bar towards each composition in the side of bar seat Hammer tenon closes flange, and bar tenon conjunction flange is corresponding with bar tenon conjunction flange caulking groove and insertion bar inspection tenon closes flange caulking groove Interior, relative to one piece of bar seat, the quantity of the contract block is equal with the quantity of the hammer disk and positioned at bar back to bar seat Side and hammer disk towards between the side of bar, being provided with the intensity of hammering disk into shape for promoting between each two adjacent hammer disks Hammer disk support block.

In a specific embodiment of the invention, offered on the hammer disk and positioned at the middle position of hammer disk Rotor main axis hole, the rotor main axis hole is engaged with described rotor main shaft, is hammering the circumferencial direction of disk into shape with equidistant intervals shape State offers bar accommodating chamber and bar seat supporting cavity, the bar seat supporting cavity and bar accommodating chamber formed by high and low and In the step chamber relation of zigzag, the bar seat is supported on bar seat supporting cavity, and described bar probes into bar accommodating chamber Interior, described contract block is supported on the bar accommodating chamber bottom wall of bar accommodating chamber.

It is on described hammer disk and each in the position corresponding to contract block in another specific embodiment of the invention A contract block baffle plate is fixed with, the contract block baffle plate leans out hammer disk and pasted towards the surface of the side of the bar and with the side of contract block Touch.

In another specific embodiment of the invention, on the hammer disk and in the side structure just to the contract block Into there is contract block to coordinate inclined-plane, and being constituted on contract block and towards the side of hammer disk has a contract block inclined-plane, and the contract block inclined-plane inclines Tilted direction coordinates the incline direction on inclined-plane opposite and coordinates inclined-plane to be engaged with contract block with contract block.

In another specific embodiment of the invention, one is offered in the middle position of the short transverse of the contract block Contract block tensioner screw hole, the contract block tensioner screw hole is from the top insertion of the short transverse of contract block is to lower end and is equipped with a contract Block tensioner screw, the afterbody of the contract block tensioner screw is supported on described bar accommodating chamber bottom of chamber wall.

In an also specific embodiment of the invention, one group is respectively offered on the two ends end face of bar seat Bar seat block fixing screw hole, is fixed corresponding to this group of position of bar seat block fixing screw hole by bar seat block Screw is fixed with bar seat block, and side patch of the bar seat block with hammer disk outside is touched.

Of the invention more and in a specific embodiment, a locking screw is provided with described contract block tensioner screw The side contacts side surfaces of mother, the locking nut and contract block towards the bar accommodating chamber bottom of chamber wall.

In an of the invention and then specific embodiment, the number of described bar accommodating chamber and bar seat supporting cavity Amount respectively has six, and described bar seat and the quantity of bar respectively have six and relative to the hammer disk, each two adjacent bars The position relationship of K fonts is formed each other.

Of the invention and more and in a specific embodiment, resistance to break-in is combined with surface of the hammer disk outside Layer gold.

It is of the invention and and then a specific embodiment in, the shape of cross section that the bar tenon closes flange is in hemisphere Shape, and the bar tenon closes the shape of cross section semicircular in shape of flange caulking groove.

One of technique effect of technical scheme that the present invention is provided, directly constitutes due to having abandoned prior art on hammer disk Bar seat and by bar seat with hammer disk into shape and separate and form an independent overall structure, it is thus not only easily manufactured, and can be fast Victory is installed；Two, due to bar can be reliably limited on the premise of the contract block plate in saving prior art bar seat Between contract block, thus can significantly simplify structure；Three, due to be additionally arranged between each two adjacent hammer disks hammer disk support block, The intensity of hammer disk is thus improved, hammer disk is met the requirement of the service life in the reasonable time.

Brief description of the drawings

Fig. 1 is the structure chart of the rotor of impact breaker of the present invention.

Fig. 2 is the leftschematic diagram of Fig. 1.

Fig. 3 is application examples schematic diagram of the invention.

Fig. 4 is the schematic diagram of the rotor structure of the impact breaker in prior art.

Specific embodiment

In order to be more clearly understood from technical spirit of the invention and beneficial effect, applicant is below with embodiment Mode elaborate, but be not the limitation to the present invention program to the description of embodiment, it is any according to structure of the present invention Think done only formal rather than substantial equivalent transformation and be regarded as technical scheme category.

Fig. 1 and Fig. 2 is referred to, a rotor of the structural system of impact breaker is shown, the rotor includes rotor main Axle 1, follow rotor main shaft 1 length direction be disposed on rotor main shaft 1 hammer disk 2, around hammer disk 2 circumferencial direction with The bar seat 3 that equidistant intervals state is arranged on hammer disk 2 is equal with the quantity of bar seat 3 and is engaged with bar seat 3 Bar 4 and for the contract block 5 to the contract fixed bit of bar 4.

In the present embodiment, showing the quantity of hammer disk 2 has six pieces, but is not so limited.Also, can from the signal of Fig. 2 Know, the shape for hammering disk 2 into shape is in wait hexagon.

The technical essential of the technical scheme provided as the present invention：Foregoing bar seat 3 is independently positioned at hammer disk 2 On, bar seat 3 length direction and offer a bar tenon towards the side of foregoing bar 4 and close flange caulking groove 31, phase For one piece of bar seat 3, bar 4 has two pieces of head and the tail engagement each other and has one convex respectively being constituted towards the side of bar seat 3 The bar tenon for arising from the surface of bar 4 closes flange 41, and it is corresponding with bar tenon conjunction flange caulking groove 31 simultaneously that the bar tenon closes flange 41 And embedded bar inspection tenon is closed in flange caulking groove 31, relative to one piece of bar 3, the number of the quantity of foregoing contract block 5 and foregoing hammer disk 2 Amount is equal（The present embodiment is six）And positioned at bar 4 back to bar seat 3 side with hammer disk 2 towards the side of bar 4 it Between, i.e., between bar 4 and hammer disk 2, preferably it is provided with for promoting using welding manner between each two adjacent hammer disks 2 Hammer the hammer disk support block 22 of the intensity of disk 2 into shape.

Emphasis is shown in Fig. 1, and rotor main axis hole 23, this turn are offered on foregoing hammer disk 2 and positioned at the middle position of hammer disk 2 Sub- spindle hole 23 is engaged with foregoing rotor main shaft 1, i.e., drive it to move by rotor main shaft 1, hammer disk 2 circumferencial direction with Equidistant intervals state offers bar accommodating chamber 24 and bar seat supporting cavity 25, bar seat supporting cavity 25 and bar accommodating chamber 24 form by step chamber relation high and low and in zigzag, i.e., bar seat supporting cavity 25 is shallow, and bar accommodating chamber 24 is then Deep, foregoing bar seat 3 is supported on bar seat supporting cavity 25, and foregoing bar 4 is probeed into bar accommodating chamber 24, foregoing contract block 5 are supported on the bar accommodating chamber bottom wall 241 of bar accommodating chamber 24.

As shown in Figure 1, respectively consolidated with contract block parting of baffle bolt 261 on foregoing hammer disk 2 and in the position corresponding to contract block 5 Surely have a contract block baffle plate 26, the contract block baffle plate 26 lean out hammer disk 2 towards the side of foregoing bar 4 surface and with contract block 5 Side patch is touched, so as to by two pieces of contract block baffle plates, 26 pairs of one piece of lateral Displacements of contract block 5.

There is contract block to coordinate inclined-plane 27, the contract block to coordinate on foregoing hammer disk 2 and in the side composition just to foregoing contract block 5 The gradient on inclined-plane is 45 °, and being constituted on contract block 5 and towards the side of hammer disk 2 has a contract block inclined-plane 51, the contract block inclined-plane 51 gradient is 45 °, and incline direction and the contract block on the contract block inclined-plane 51 coordinate the incline direction on inclined-plane 27 opposite and and contract Block coordinates inclined-plane 27 to be engaged.

Continue to see Fig. 1, a contract block tensioner screw hole 52 is offered in the middle position of the short transverse of foregoing contract block 5, should Contract block tensioner screw hole 52 from the top insertion of the short transverse of contract block 5 is to lower end and is equipped with a contract block tensioner screw 521, The afterbody of the contract block tensioner screw 521 is supported on foregoing bar accommodating chamber bottom of chamber wall 241.

One group of bar seat block fixing screw hole 32 is respectively offered on the two ends end face of foregoing bar seat 3, is being corresponded to This group of position of bar seat block fixing screw hole 32 is fixed with bar seat block by bar seat block fixing screws 3211 321, and side patch of the bar seat block 321 with hammer disk 2 outside is tactile.Also show in Fig. 1 and be opened in bar seat gear Screw 3212 on block 321.It follows that spacing to bar seat 3 by the bar seat block 321 positioned at 3 two ends of bar seat, it is to avoid There is play.

A locking nut 5211 is provided with foregoing contract block tensioner screw 521, the locking nut 5211 and the court of contract block 5 To the side contacts side surfaces of foregoing bar accommodating chamber bottom of chamber wall 241.Used as preferred scheme, locking nut 5211 can be using band spiral shell The nut of bar sheath, in case thread is damaged.

In the present embodiment, because the quantity of foregoing bar accommodating chamber 24 and bar seat supporting cavity 25 respectively has six, Thus the quantity of foregoing bar seat 3 and bar 4 respectively has six and hammers the adjacent bar 4 of disk 2 each two into shape each other relative to foregoing The position relationship of K fonts is formed, Fig. 2 is for details, reference can be made to.This set of bar 4 can promote strike effect, specifically favorably In to bulky raw mineral materials strike and blow efficiency is high, additionally can conveniently install or remove.

Preferably, be combined with wear-resistant alloy layer 28 on foregoing surface of the hammer disk 2 outside, wear-resistant alloy layer such as tungsten or other Similar material.

Preferably, the shape of cross section of foregoing bar tenon conjunction flange 41 is hemispherical, and foregoing bar tenon closes flange caulking groove 31 shape of cross section semicircular in shape.

In the present embodiment, the shape of cross section of foregoing bar seat 3 is substantially triangular, and this shape helps to protect Hinder its intensity.

Application examples：

Refer to Fig. 3 and combine Fig. 1 and Fig. 2, figure 3 illustrates the casing 6 of impact breaker（Also casing can be claimed）With Power drive mechanism 7, the two ends of foregoing rotor main shaft 1 are stretched over outside casing 6.And Fig. 3 is respectively supported on by bearing block 11 On unshowned support.Also show in figure 3 be fixedly welded on it is first（One of left side）With one, end（The one of right side It is individual）Bulging core 29 on hammer disk 2, in the bulging core cavity 291 of the drum core 29（That is " tensioner mantle cavity "）An expansion sleeve 2911 is inside provided with, should Expansion sleeve 2911 keeps off shield by door 292, and door 292 is nested with rotor main shaft 1 and is being corresponded to by door fixing screws The position of the door fixing screw hole 293 being preset on bulging core 29 is fixed with drum core 29.

Driven under the motion of the structural system of power drive mechanism 7 and the belt pulley 71 fixed with rotor main shaft 1 Rotor main shaft 1 is moved, and drives hammer disk 2 to move by rotor main shaft 1, drives bar seat 3 and bar 4 to move by hammer disk 2, so as to by plate The raw mineral materials impact crushing that hammer 4 will enter in casing 6.Because impact breaker belongs to known technology, although therefore application People is not illustrated in the description, but produces puzzlement can't to the understanding of those skilled in the art.

In sum, the technical scheme that the present invention is provided compensate for the shortcoming in prior art, favorably accomplish invention Task, has faithfully cashed the technique effect referred in the superincumbent technique effect column of applicant.

Claims

1. a kind of impact breaker, an including rotor, the rotor includes rotor main shaft (1), follows the length of rotor main shaft (1) Hammer disk (2) that direction is disposed on rotor main shaft (1), the circumferencial direction around hammer disk (2) are set with equidistant intervals state Put that the seat of the bar on hammer disk (2) (3) is equal with the quantity of bar seat (3) and bar that be engaged with bar seat (3) (4) and for the contract block (5) to bar (4) contract fixed bit, it is characterised in that described bar seat (3) is independently positioned at hammer On disk (2), the bar seat (3) length direction and towards the side of the bar (4) offer a bar tenon close flange Caulking groove (31), relative to one piece of bar seat (3), bar (4) has two pieces of head and the tail engagement each other and towards bar seat (3) Side respectively constitutes the bar tenon for having a surface for being raised in bar (4) and closes flange (41), and the bar tenon closes flange (41) and bar Tenon closes the corresponding and embedded bar of flange caulking groove (31) and examines in tenon conjunction flange caulking groove (31), relative to one piece of bar seat (3), institute State the quantity of contract block (5) equal with the quantity of hammer disk (2) and positioned at bar (4) back to the side of bar seat (3) and hammer Disk (2) hammers the intensity of disk (2) into shape towards between the side of bar (4), being provided between each two adjacent hammer disks (2) for promoting Hammer disk support block (22).

2. impact breaker according to claim 1, it is characterised in that on hammer disk (2) and positioned at hammer disk (2) middle position offers rotor main axis hole (23), and the rotor main axis hole (23) is engaged with described rotor main shaft (1), Bar accommodating chamber (24) and bar seat supporting cavity (25) are offered with equidistant intervals state in the circumferencial direction of hammer disk (2), should Bar seat supporting cavity (25) is formed by step chamber relation high and low and in zigzag, the plate with bar accommodating chamber (24) Hammer seat (3) is supported on bar seat supporting cavity (25), and described bar (4) is probeed into bar accommodating chamber (24), described contract block (5) it is supported in bar accommodating chamber bottom wall (241) of bar accommodating chamber (24).

3. impact breaker according to claim 1 and 2, it is characterised in that on described hammer disk (2) and right Contract block baffle plate (26) should be respectively fixed with the position of contract block (5), contract block baffle plate (26) leans out hammer disk (2) towards the bar (4) surface of side and touched with the side of contract block (5) patch.

4. impact breaker according to claim 3, it is characterised in that on hammer disk (2) and just to described The side of contract block (5) is constituted has contract block to coordinate inclined-plane (27), and the side composition on contract block (5) and towards hammer disk (2) has One contract block inclined-plane (51), the incline direction on the contract block inclined-plane (51) and contract block coordinate the incline direction of inclined-plane (27) opposite and with Contract block coordinates inclined-plane (27) to be engaged.

5. impact breaker according to claim 2, it is characterised in that the contract block (5) short transverse it is placed in the middle Position offers contract block tensioner screw hole (52), and contract block tensioner screw hole (52) is from the top of the short transverse of contract block (5) Insertion is to lower end and is equipped with contract block tensioner screw (521), and the afterbody of contract block tensioner screw (521) is supported on described On bar accommodating chamber bottom of chamber wall (241).

6. impact breaker according to claim 1 and 2, it is characterised in that in the two ends end face of bar seat (3) On respectively offer one group of bar seat block fixing screw hole (32), corresponding to this group of bar seat block fixing screw hole (32) Position is fixed with bar seat block (321), and bar seat block (321) by bar seat block fixing screws (3211) Side patch with hammer disk (2) outside is touched.

7. impact breaker according to claim 5, it is characterised in that set in described contract block tensioner screw (521) A locking nut (5211) is equipped with, the locking nut (5211) and contract block (5) are towards the bar accommodating chamber bottom of chamber wall (241) Side contacts side surfaces.

8. impact breaker according to claim 2, it is characterised in that described bar accommodating chamber (24) and bar The quantity of seat supporting cavity (25) respectively has six, and described bar seat (3) and the quantity of bar (4) respectively have six and relative to institute Hammer disk (2) is stated, each two adjacent bars (4) form the position relationship of K fonts each other.

9. the impact breaker according to claim 1 or 2 or 4, it is characterised in that in table of hammer disk (2) outside Face is combined with wear-resistant alloy layer (28).

10. impact breaker according to claim 1, it is characterised in that the bar tenon closes the cross section of flange (41) Shape is hemispherical, and the bar tenon closes the shape of cross section semicircular in shape of flange caulking groove (31).