CN203725198U

CN203725198U - Rotor structure of impact crusher

Info

Publication number: CN203725198U
Application number: CN201420082851.0U
Authority: CN
Inventors: 周锋; 金鸣; 戴霞梅
Original assignee: SINOMA CHANGSHU HEAVY MACHINERY CO Ltd
Current assignee: SINOMA CHANGSHU HEAVY MACHINERY CO Ltd
Priority date: 2014-02-26
Filing date: 2014-02-26
Publication date: 2014-07-23
Anticipated expiration: 2024-02-26

Abstract

The utility model provides a rotor structure of an impact crusher, and belongs to the technical field of mining machinery. The rotor structure comprises a rotor spindle as well as hammer disks which are arranged on the rotor spindle at intervals and provided with a board hammer stand. The rotor structure is characterized in that the board hammer stand is directly formed on the hammer disks, a board hammer stand enhancing block is arranged between every two adjacent hammer disks and in the position corresponding to the board hammer stand, and two sides of the board hammer stand enhancing block are welded and fixed with the board hammer stand of the two adjacent hammer disks respectively. The board hammer stand is directly formed on the hammer disks and the board hammer stand enhancing block is arranged between every two adjacent hammer disks and in the position corresponding to the board hammer stand, so that the board hammer disks cannot be damaged by huge acting force of a board hammer when the impact crusher is in the working state, not only can the lasting working efficiency of the impact crusher be guaranteed, but also the maintenance cost can be remarkably saved, and the resource waste is avoided.

Description

The rotor structure of impact breaker

Technical field

The utility model belongs to mining machinery technical field, is specifically related to a kind of rotor structure of impact breaker, for to mineral raw material as fragmentations such as lime stone, coals.

Background technology

Aforesaid impact breaker be a kind of utilize impact principle by the raw mineral materials enbrittling as the aforementioned lime stone implement broken crushing mechanism, with the disintegrating machine of squash type principle (as jaw formula, rotary, circular cone type, roll-type), compare, because the ratio of reduction is large, thereby can simplify production system and reduce investment outlay.Rotor is the power core (bar is arranged on rotor) of impact breaker, and the whether reasonable of its structure all has important impact on the operating efficiency of disintegrating machine with on the crushing effect of raw mineral materials.

Technical information about the rotor structure of impact breaker can be seen in a large number in disclosed Chinese patent literature, as the rotor of Granted publication CN2704415Y(beating type crusher), the full composite fabricated rotor of CN2899936Y(impact breaker), CN201470430U(impact crusher rotor), CN201394473Y(reaction-type crusher rotor device), the rotor arrangement of CN201659001U(impact breaker), publication No. CN102179275A(polygonal welded-type impact crushing rotor), the rotor of CN202037029U(impact crusher), CN202137010U(Novel rotor of impact crusher), the syndeton of CN202087355U(impact crusher rotor plate and bar), the novel backpulsing crusher rotor of CN202137010U(), CN202516617U(broken rotor structure of counterattack), publication number CN1634660A(impact crusher rotor) and publication No. CN102179276A(impact crushing rotor), etc..

The rotor structure of the patent that is not limited to exemplify above and patent application scheme is all the structure shown in Fig. 4 substantially, comprise rotor main shaft 1 and be arranged on one group of hammer dish 2 on rotor main shaft 1 with interval state, on this group of hammer dish 2, with welding manner, be fixed with bar seat 21.Theoretically, the effect that bar seat 21 is combined as a whole by welding and hammer dish 2 is reliable, but under impact breaker is in running order, great force from bar easily makes the welding position between bar seat 21 and hammer dish 2 be destroyed, cause bar seat 21 integral body to come off, as in time it repaired to the operating efficiency that affects impact breaker, and rehabilitation cost is larger, if can not be in time to its reparation, exist so and cause the anxiety of ruining machine, if the impact breaker more renewing, so not only cause investment to increase, and cause the wasting of resources.Therefore using tediously long bar seat 21 as one independently parts coil with one group of hammer the query that 2 welded structure forms are suffered industry, and expectation improvement.

In view of above-mentioned prior art, the applicant has done actively and effectively design, has finally formed technical scheme described below.

Summary of the invention

Task of the present utility model is to provide a kind of and contributes to significantly to improve the intensity of bar seat and use the rotor structure of avoiding dividing with hammer dish de-impact breaker.

Task of the present utility model completes like this, a kind of rotor structure of impact breaker, comprise rotor main shaft and be arranged on hammer dish on rotor main shaft and that there is bar seat with interval state, feature is: described bar seat is directly formed on described hammer dish, between two adjacent hammer dishes and in the position corresponding to bar seat, be provided with bar seat and strengthen piece, the both sides that bar seat strengthens piece are welded and fixed with the bar seat of described two adjacent hammer dishes respectively.

In a specific embodiment of the present utility model, on described hammer dish and the middle position that is positioned at hammer dish offer axle sleeve hole, in this axle sleeve hole, be provided with rotor axle sleeve, the central authorities of rotor axle sleeve are configured to rotor main shaft mating holes, this rotor main shaft mating holes coordinates with described rotor main shaft, and the outer wall of rotor axle sleeve formation has hammer dish to be welded and fixed position, this hammer dish is welded and fixed position and is welded and fixed with the hole wall of described axle sleeve hole.

In another specific embodiment of the present utility model, at the circumferencial direction that is arranged at the described hammer dish on described rotor main shaft, with equidistant intervals state, offer for bar and the bar supporting vallecular cavity of impact breaker are installed, described bar seat supports a side of vallecular cavity and matches with the side of bar towards bar seat corresponding to bar, in bar supporting vallecular cavity, be provided with a contract block plate, this contract block plate and bar supporting vallecular cavity are fixed towards the cell wall of a side of bar seat, and this contract block plate matches with the side of bar back to bar seat, on described bar seat, offer bar seat pin axis hole, at described bar seat, strengthen on piece and in the position corresponding to bar seat pin axis hole, offer bar seat and strengthen piece pin shaft hole, on bar seat pin axis hole, be inserted with bearing pin, bearing pin strengthens piece pin shaft hole through bar seat.

In another specific embodiment of the present utility model, on described bar seat and towards a side of described bar supporting vallecular cavity, offer a bar defining flange mating groove, and towards a side of bar seat and towards a side of described contract block plate and in position to correspond to each other, each forms and to have a surperficial bar defining flange that is raised in bar at described bar, wherein: the bar defining flange towards a side of bar seat matches with bar defining flange mating groove, and match with contract block plate towards the bow bar defining flange of a side of plate of contract piece, described rotor main shaft is bearing in rotationally on the casing of impact breaker and is in transmission connection with power drive mechanism with the horizontally-arranged state of level under use state, by power drive mechanism rotor driven main shaft together with described hammer disc spins, on the end face at the two ends of described bearing pin, respectively offer end face and limit screw hole.

In another specific embodiment of the present utility model, at the length direction of described contract block plate and towards a side of described bar, with interval state, form and have the surperficial longitudinal sliver of contract piece that is raised in contract block plate, on the longitudinal sliver of each contract piece, be equipped with slidably a contract piece, and this contract piece also matches with the described bar defining flange of the side towards contract block plate on described bar.

Of the present utility model, also have in a specific embodiment, on described contract piece and towards a side of described contract block plate, offer the longitudinal guide groove of a contract piece, and towards a side of described bar, offer the horizontal mating groove of a contract piece at contract piece, the longitudinal guide groove of contract piece and the described longitudinal sliver of contract piece are slidably matched, and the horizontal mating groove of contract piece matches with the described bar defining flange of the side towards contract block plate on bar.

More of the present utility model and in a specific embodiment, the length of described contract block plate is equal in length with described bar.

In of the present utility model and then a specific embodiment, the side being arranged on the described bar seat of a hammer dish at first hammer dish in the described hammer dish on described rotor main shaft and end and outward at interval state is respectively fixed with a plate seat, on plate seat, be equipped with one for stoping the bar end face of described bar play to limit mechanism, this bar end face limits mechanism position on plate seat corresponding to described bar supporting vallecular cavity, and with the end contact of described bar and limit screw hole with the end face of described bearing pin and be connected.

Of the present utility model again more and in a specific embodiment, on described plate seat, form and have a restriction plugboard trough, this restriction plugboard trough communicates with described bar supporting vallecular cavity, described bar end face limits mechanism and comprises that end face limits plate and end face limits screw, one end of end face restriction plate is inserted described restriction plugboard trough and is insinuated into described bar and supports the accent position of vallecular cavity and the end contact of described bar, and end face restriction screw is arranged on the other end of end face restriction plate and screws in to described end face restriction screw hole is interior and is connected with described bearing pin.

In again of the present utility model and then a specific embodiment, described bar seat strengthen piece both sides each form and have the block welding of enhancing mouth, strengthen block welding mouth and described bar seat and be welded and fixed.

The technical scheme that the utility model provides is provided with bar seat and strengthens piece due to bar seat is directly formed on hammer dish and between two adjacent hammer dishes and in the position corresponding to bar seat, thereby under impact breaker is in running order, bar dish can not damage because of the great force of bar, not only can ensure the lasting operating efficiency of impact breaker, and can significantly save maintenance cost and avoid the wasting of resources.

Accompanying drawing explanation

Fig. 1 is example structure figure of the present utility model.

Fig. 2 is cutaway view and the application examples schematic diagram of Fig. 1.

Fig. 3 is the left side diagram of Fig. 2.

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

The specific embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, applicant elaborates the mode with embodiment below, but to the description of embodiment, be not all the restriction to the utility model scheme, any according to the utility model design, done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.

Refer to Fig. 1, provided a rotor main shaft 1 and arranged and be fixed on shortly hammer dish 2 on rotor main shaft 1 and that there is bar seat 21 with equidistant interval state, hence one can see that, the quantity of hammer dish 2 has one group, although it is six that the present embodiment shows the quantity of hammer dish 2, but obviously this quantity can't be considered as being particularly limited of the utility model scheme, because according to the specification of impact breaker, the quantity of hammer dish 2 can be according to needing increase and decrease.

The technical essential of the technical scheme providing as the utility model: become bar seat 21 in prior art and be welded as bar seat 21 as parts independently with hammer dish 2 and be directly formed on hammer dish 2, that is to say that the utility model is configured to integrative-structure by bar seat 21 and hammer dish 2.In order further to improve the intensity of bar seat 21, use its lasting service life of abundant guarantee, the utility model is provided with bar and strengthens piece 3 between two adjacent hammer dishes 2 and in the position corresponding to bar seat 21, the geometry of bar enhancing piece 3 is identical with the geometry of bar seat 21, and each formation of both sides that bar seat strengthens piece 3 has the block welding of enhancing mouth 32, by strengthening block welding mouth 32, is welded and fixed with bar seat 21.Certainly, the thickness that bar seat strengthens piece 3 be and two adjacent hammer dishes 2 between spacing adapt, be more precisely and the bar seat 21 of two adjacent hammer dishes 2 between spacing adapt.

On aforesaid hammer dish 2 and the middle position that is positioned at hammer dish 2 offer axle sleeve hole 22, in this axle sleeve hole 22, be provided with rotor axle sleeve 221, the central authorities of rotor axle sleeve 221 are configured to rotor main shaft mating holes 2211, this rotor main shaft mating holes 2211 coordinates with aforesaid rotor main shaft 1, and the outer wall of the circumferencial direction of rotor axle sleeve 221 formation has hammer dish to be welded and fixed position 2212, this hammer dish is welded and fixed position 2212 and is welded and fixed with the hole wall of axle sleeve hole 22.At the two ends of aforementioned rotor axle sleeve 221 and in the position in the aperture corresponding to rotor main shaft mating holes 2211, each forms an expansion trepanning 2213, in expansion trepanning 2213, be provided with expansion sleeve 22131, expansion sleeve 22131 is nested with on rotor main shaft 1, makes rotor main shaft 1 and rotor axle sleeve 221 be fixed as one by expansion sleeve 22131.As preferred scheme, also can on rotor axle sleeve 221 and at the position, aperture corresponding to expansion trepanning 2213, with screw 22141, fix one for the expansion sleeve restriction dish 2214 to expansion sleeve 22131 restrictions.

As shown in Figure 1, at the circumferencial direction that is arranged at the aforementioned hammer dish 2 on rotor main shaft 1, with equidistant intervals state, offer for the bar supporting vallecular cavity 23 of the bar 4 of impact breaker is installed, the quantity that there is shown bar supporting vallecular cavity 23 is four, so that respectively for four bars 4 are set.Aforesaid bar seat 21, corresponding to a side of bar supporting vallecular cavity 23, that is to say that the position of bar seat 21 on hammer dish 2 is positioned at a side of bar supporting vallecular cavity 23, and each hammer dish 2 has four bar seats 4, and matches with bar 4.In bar supporting vallecular cavity 23, be provided with contract block plate plate 5, this contract block plate 5 is welded and fixed towards the cell wall of a side of bar seat 21 with bar supporting vallecular cavity 23, and matches with the side of bar 4 back to bar seat 21.

As shown in the above description, under the acting in conjunction of contract block plate 5 and bar seat 21, bar 4 reliably can be located.On bar seat 21, offer bar seat pin axis hole 211, and strengthen on piece 3 and offer bar seat in the position corresponding to bar seat pin axis hole 211 at aforesaid bar seat, strengthen piece pin shaft hole 31, on bar seat pin axis hole 211, be inserted with bearing pin 2111, this bearing pin 2111 strengthens piece pin shaft hole 31 through bar seat, and (being positioned at the middle position of end face) respectively offers end face and limit screw hole 21111 on the end face at the two ends of this bearing pin 2111.By bearing pin 2111, further play the strengthening action to bar seat 21, because be illustrated as five because bearing pin 2111 strengthens piece 3(through the bar seat pin axis hole 211 on the bar seat 21 of six hammer dishes 2 and bar simultaneously) on bar seat strengthen piece pin shaft hole 31, thereby can embody desirable integration and connect effect.

A side on aforementioned bar seat 21 and towards bar rest pad chamber 23 offers a bar defining flange mating groove 212 towards a side of bar 4, and towards a side of bar seat 21 and towards a side of aforementioned contract block plate 5 and in position to correspond to each other, each forms and has one only to show the bar defining flange 41 towards a side of bar seat 21 in being raised in surperficial bar defining flange 41(Fig. 1 of bar 4 at bar 4, but can refer to Fig. 3), wherein: be positioned on bar 4 and towards the bar defining flange 41 of bar seat 21 1 sides, match with bar defining flange mating groove 212, and be positioned on bar 4 and towards the bar defining flange 41 of a side of contract block plate 5 match with contract block plate 5 (below also will describe).

Please continue to refer to Fig. 1, at the length direction of aforesaid contract block plate 5 and towards a side of bar 4, with interval state, form and have the longitudinal sliver 51 of surperficial contract piece that is raised in contract block plate 5, on the longitudinal sliver 51 of each contract piece, be equipped with slidably a contract piece 511.Although show the quantity of the longitudinal sliver 51 of contract piece and contract piece 511 in figure, be respectively five, as not being understood as the quantity that must select to the description of the quantity of hammer dish 2.At contract piece 511, towards a side of contract block plate 5, offer the longitudinal guide groove 5111 of a contract piece, and contract piece 511 offers the horizontal mating groove 5112 of a contract piece towards a side of bar 4, the longitudinal guide groove 5111 of contract piece is slidably matched with the longitudinal sliver 51 of aforementioned contract piece, and the horizontal mating groove of contract piece matches with the aforementioned bar defining flange 41 of the side towards contract block plate 5 on bar 4, thereby by the transitional function of contract piece 511, contract block plate 5 is matched with bar 5.Preferably, by the Design of length of aforesaid contract block plate 5, be equal in length with bar 4.

Refer to Fig. 3, this Fig. 3 is the left diagram of Fig. 2, effect due to aforesaid contract piece 511, thereby when rotor main shaft 1 is under rotation status, and when the higher and centrifugal force of speed is larger, example limits more reliably by contract piece 511 by bar 4, the situation that bar 4 there will not be gesture figure to throw away from bar slot chamber 23.

Please continue to refer to Fig. 1, as aforementioned, because the quantity with the hammer dish 2 on rotor main shaft 1 that is equidistantly spaced in the present embodiment has six, therefore the first hammer dish in these six hammer dishes is positioned on the hammer dish seat 21 of a rightmost hammer dish that a leftmost hammer dish of location status shown in Fig. 1 and a hammer dish at end be positioned at location status shown in Fig. 1 and a side outward is respectively welded with a plate seat 213, on plate seat 213, be equipped with a bar end face and limit mechanism 6, this bar end face limits the position of mechanism 6 on plate seat 213 corresponding to aforesaid bar supporting vallecular cavity 23, the end face that limits 6 pairs of bars 4 of mechanism by this bar end face limits, the end face of aforementioned bearing pin 2111 is limited simultaneously.Specifically, by bar end face, limiting mechanism 6 limits bar 4 with the contacting of end face of bar 4, stop bar 4 plaies, by bar end face, limit mechanism 6 and limit being connected of screw hole 21111 with aforementioned end face and the end face of bearing pin 2111 is limited, stop bearing pin 2111 plaies.

On aforesaid plate seat 213, form to have and offer a restriction plugboard trough 2131, this restrictions plugboard trough 2131 supports vallecular cavity 23 with aforesaid bar and communicates.Aforesaid bar end face limits mechanism 6 and comprises that an end face limits plate 61 and an end face limits screw 62, end face limits one end of plate 61 and inserts aforesaid restriction plugboard trough 2131 and be insinuated into the accent position that bar supports vallecular cavity 23, with the end contact of bar 4, end face restriction screw 62 is arranged on the other end of end face restriction plate 61 and is screwed in end face restriction screw hole 21111 and is connected with bearing pin 2111.Preferred scheme also can limit end face afterbody and 21 solid weldings of bar seat of screw 62.Thereby by end face, limit the play that plate 61 stops bar 4 likely to occur, by end face, limit the play that screw 62 stops bearing pin 2111 likely to produce.

Refer to Fig. 2, under use state, by aforesaid rotor main shaft 1 with level and be bearing in rotationally by bearing block 11 on the casing of impact breaker, one end of rotor main shaft 1 (right-hand member shown in Fig. 2) and power drive mechanism 7 are in transmission connection, by power drive mechanism 7 by being fixed on 71 rotor driven main shafts 1 motions (rotation) of belt pulley on rotor main shaft 1, by rotor main shaft 1, drive 2 motions (rotation) of hammer dish, by the bar being arranged on the hammer dish seat 21 of hammer dish 2, support the 4 pairs of raw mineral materials fragmentations of bar in vallecular cavity 23.Because impact breaker belongs to known technology, although therefore applicant is not illustrated in description, produce puzzled can't to those skilled in the art's understanding.

In sum, the technical scheme that the utility model provides has overcome the shortcoming in prior art, has successfully completed invention task, objective and embodied all sidedly the technique effect referring in the superincumbent technique effect of applicant hurdle.

Claims

1. a kind of rotor structure of impact breaker, comprise rotor main shaft (1) and be arranged on hammer dish (2) on rotor main shaft (1) and that there is bar seat (21) with interval state, it is characterized in that: described bar seat (21) is directly formed on described hammer dish (2), between two adjacent hammer dishes (2) and in the position corresponding to bar seat (21), be provided with bar seat and strengthen piece (3), the both sides that bar seat strengthens piece (3) are welded and fixed with the bar seat (21) of described two adjacent hammer dishes (2) respectively.

2. the rotor structure of impact breaker according to claim 1, it is characterized in that middle position upper at described hammer dish (2) and that be positioned at hammer dish (2) offers axle sleeve hole (22), in this axle sleeve hole (22), be provided with rotor axle sleeve (221), the central authorities of rotor axle sleeve (221) are configured to rotor main shaft mating holes (2211), this rotor main shaft mating holes (2211) coordinates with described rotor main shaft (1), and the outer wall of rotor axle sleeve (221) formation has hammer dish to be welded and fixed position (2212), this hammer dish is welded and fixed position (2212) and is welded and fixed with the hole wall of described axle sleeve hole (22).

3. the rotor structure of impact breaker according to claim 1, it is characterized in that with equidistant intervals state, offering bar (4) and the bar supporting vallecular cavity (23) for impact breaker is installed at the circumferencial direction that is arranged at the described hammer dish (2) on described rotor main shaft (1), described bar seat (21) supports a side of vallecular cavity (23) and matches with the side of bar (4) towards bar seat (21) corresponding to bar, in bar supporting vallecular cavity (23), be provided with a contract block plate (5), this contract block plate (5) is fixed towards the cell wall of a side of bar seat (21) with bar supporting vallecular cavity (23), and this contract block plate (5) matches with the side of bar (4) back to bar seat (21), on described bar seat (21), offer bar seat pin axis hole (211), at described bar seat, strengthen piece (3) above and in the position corresponding to bar seat pin axis hole (211), offer bar seat and strengthen piece pin shaft hole (31), on bar seat pin axis hole (211), be inserted with bearing pin (2111), bearing pin (2111) strengthens piece pin shaft hole (31) through bar seat.

4. the rotor structure of impact breaker according to claim 3, it is characterized in that upper at described bar seat (21) and offer a bar defining flange mating groove (212) towards a side of described bar supporting vallecular cavity (23), and towards a side of bar seat (21) and towards a side of described contract block plate (5) and in position to correspond to each other, each forms and to have a surperficial bar defining flange (41) that is raised in bar (4) at described bar (4), wherein: the bar defining flange (41) towards a side of bar seat (21) matches with bar defining flange mating groove (212), and match with contract block plate (5) towards the bow bar defining flange (41) of a side of plate (5) of contract piece, it is upper and be in transmission connection with power drive mechanism (7) that described rotor main shaft (1) is bearing in rotationally the casing (1) of impact breaker with the horizontally-arranged state of level under use state, by power drive mechanism (7) rotor driven main shaft (1), together with described hammer dish (2), rotated, on the end face at the two ends of described bearing pin (2111), respectively offer end face and limit screw hole (21111).

5. the rotor structure of impact breaker according to claim 4, it is characterized in that forming and having the surperficial longitudinal sliver of contract piece (51) that is raised in contract block plate (5) with interval state at the length direction of described contract block plate (5) and towards a side of described bar (4), on the longitudinal sliver of each contract piece (51), be equipped with slidably a contract piece (511), and this contract piece (511) also matches with the described bar defining flange (41) of the side towards contract block plate (5) on described bar (4).

6. the rotor structure of impact breaker according to claim 5, it is characterized in that upper at described contract piece (511) and offer the longitudinal guide groove of a contract piece (5111) towards a side of described contract block plate (5), and towards a side of described bar (4), offer the horizontal mating groove of a contract piece (5112) at contract piece (511), the longitudinal guide groove of contract piece (5111) is slidably matched with the described longitudinal sliver of contract piece (51), and the horizontal mating groove of contract piece (5112) matches with the described bar defining flange (41) of the side towards contract block plate (5) on bar (4).

7. according to the rotor structure of the impact breaker described in claim 3 or 5 or 6, the length that it is characterized in that described contract block plate (5) is equal in length with described bar (4).

8. the rotor structure of impact breaker according to claim 4, it is characterized in that described bar seat (21) side upper and outward that is arranged at a hammer dish at first hammer dish in the described hammer dish (2) on described rotor main shaft (1) and end at interval state is respectively fixed with a plate seat (213), on plate seat (213), be equipped with one for stoping the bar end face of described bar (4) play to limit mechanism (6), this bar end face limits the position of mechanism (6) on plate seat (213) corresponding to described bar supporting vallecular cavity (23), and with the end contact of described bar (4) and limit screw hole (21111) with the end face of described bearing pin (2111) and be connected.

9. the rotor structure of impact breaker according to claim 8, it is characterized in that there is a restriction plugboard trough (2131) in the upper formation of described plate seat (213), this restriction plugboard trough (2131) communicates with described bar supporting vallecular cavity (23), described bar end face limits mechanism (6) and comprises that end face limits plate (61) and end face limits screw (62), end face limits one end of plate (61) and inserts described restriction plugboard trough (2131) and be insinuated into the accent position of described bar supporting vallecular cavity (23) and the end contact of described bar (4), end face restriction screw (62) is arranged on the other end of end face restriction plate (61) and screws in to described end face restriction screw hole (21111) is interior and is connected with described bearing pin (2111).

10. according to the rotor structure of the impact breaker described in claim 1 or 3, it is characterized in that each formation of both sides that strengthens piece (3) at described bar seat has the block welding mouth (32) of enhancing, strengthens block welding mouth (32) and is welded and fixed with described bar seat (21).