CN111450940A - Rotor assembly for impact hammer crusher - Google Patents
Rotor assembly for impact hammer crusher Download PDFInfo
- Publication number
- CN111450940A CN111450940A CN202010388431.5A CN202010388431A CN111450940A CN 111450940 A CN111450940 A CN 111450940A CN 202010388431 A CN202010388431 A CN 202010388431A CN 111450940 A CN111450940 A CN 111450940A
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- Prior art keywords
- shaft
- face
- hammer
- rotor assembly
- wear
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected to the rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
- B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a rotor assembly for a reaction hammer crusher, which comprises a main shaft, a hammer body, end face shaft discs and shaft sleeves, wherein a plurality of shaft sleeves and end face shaft discs are inserted and sleeved on a main body part in the middle of the main shaft; connecting through holes are formed in all the end face shaft discs, connecting shaft inserting sleeves are arranged in the corresponding connecting through holes in all the end face shaft discs in an inserting mode, a rod part of the hammer body and two wear-resistant spacer sleeves are inserted and sleeved on the connecting shaft between every two adjacent end face shaft discs, the two wear-resistant spacer sleeves are located on two sides of the rod part of the hammer body, and the other end face of each wear-resistant spacer sleeve is close to the corresponding end face shaft disc. The connecting shaft connecting device can ensure that the hammer bodies on two adjacent connecting shafts cannot touch each other, the service life is ensured, meanwhile, the connecting shaft is inserted and sleeved in the corresponding connecting through holes on all the end face shaft discs to realize the connection of the hammer bodies, the strength is high, and the strength of the end face shaft discs is ensured.
Description
Technical Field
The invention relates to the technical field of mining mechanical equipment, in particular to a rotor assembly for a reaction hammer crusher.
Background
All be provided with the rotor assembly on current counterattack hammer crusher's the casing, be equipped with the striking hammer on the rotor assembly, rotate through the rotor assembly, realize that the striking hammer carries out the breakage to the building stones that gets into in the casing, however, current every striking hammer is that the pole portion of hammer block articulates in some articulated slots of the limit portion shaping of reel through the round pin axle and connects, the limit portion of reel has the slot, make the wall plate thickness greatly reduced of slot both sides, make its intensity reduce, make the limit portion of reel break easily, and make the pole portion and the reel separation of hammer block, and service life reduces.
Meanwhile, two adjacent striking hammers on the same shaft disc are easy to touch each other during operation, so that the service life is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a rotor assembly for a counterattack hammer crusher, which can ensure that hammer bodies on two adjacent connecting shafts cannot touch each other and ensure the service life, and meanwhile, the rotor assembly adopts connecting shafts to be inserted and sleeved in corresponding connecting through holes on all end face shaft discs to realize the connection of the hammer bodies, has high strength, ensures the strength of the end face shaft discs and is not easy to damage.
The scheme for solving the technical problems is as follows:
a rotor assembly for a reaction hammer crusher comprises a main shaft, a hammer body, end face shaft discs and shaft sleeves, wherein a plurality of shaft sleeves and end face shaft discs are inserted and sleeved on a main body part in the middle of the main shaft, one shaft sleeve is sleeved between every two adjacent end face shaft discs, and all the shaft sleeves and the end face shaft discs are arranged at intervals and inserted and sleeved on the main shaft and are connected through flat keys;
connecting through holes are formed in all the end face shaft discs, connecting shaft inserting sleeves are arranged in the corresponding connecting through holes in all the end face shaft discs in an inserting mode, a rod part of the hammer body and two wear-resistant spacer sleeves are inserted and sleeved on the connecting shaft between every two adjacent end face shaft discs, the two wear-resistant spacer sleeves are located on two sides of the rod part of the hammer body, and the other end face of each wear-resistant spacer sleeve is close to the corresponding end face shaft disc.
Furthermore, four connecting through holes are formed in the end face shaft disc, and the four connecting through holes and the central axis of the end face shaft disc are uniformly distributed on the end face shaft disc.
Furthermore, a protective lug boss is formed on the outer side wall of the shaft sleeve and is positioned between the rod parts of the two corresponding hammer bodies.
Furthermore, the protection convex part is in a triangular convex shape, and a wear-resistant protection plate layer is fixed on the outer side wall of the protection convex part.
Furthermore, the wear-resistant protective plate layer is welded and fixed on the outer side wall of the protective protruding portion.
Furthermore, an axially extending flat key groove is formed in one side wall of the main body part in the middle of the main shaft, a flat key is inserted in the flat key groove and fixedly connected to the main shaft through a bolt, and the upper part of the flat key extends out of the flat key groove and is inserted in inner slots formed in the inner side walls of the shaft sleeve and the end face shaft disc.
Furthermore, one end of the connecting shaft extends out of the end face shaft disc of the end part and is formed with an annular clamping groove, a clamping plate is fixedly connected to the outer side wall of the end face shaft disc of the end part through a bolt, and a part of the clamping plate is inserted and sleeved in the corresponding annular clamping groove.
Further, the two ends of the middle main body part of the main shaft are provided with screw connection shaft parts, the screw connection shaft parts are sleeved with stop washers and screwed connection round nuts, and the stop washers are clamped between the end face shaft disc at the end parts and the round nuts.
Furthermore, a wear-resistant reinforcing sleeve is fixed on the outer side wall of the hammer head of the hammer body.
Furthermore, the wear-resistant reinforcing sleeve is welded and fixed on the outer side wall of the hammer head of the hammer body.
The invention has the following outstanding effects: compared with the prior art, it can guarantee that the hammer block on two adjacent connecting axles can not touch each other, guarantees life, and simultaneously, it adopts the connecting axle plug bush to realize connecting the hammer block in the connect the through-hole that corresponds on all terminal surface reel, and its intensity is high, guarantees the intensity of terminal surface reel, is difficult to the damage.
Drawings
FIG. 1 is a schematic view of a partial structure of the present invention;
FIG. 2 is a partial cross-sectional view of the invention in a side view;
fig. 3 is an enlarged view of a portion of fig. 1 of the present invention.
Detailed Description
In the embodiment, as shown in fig. 1 to 3, a rotor assembly for a reaction hammer crusher comprises a main shaft 1, a hammer body 2, end face shaft discs 3 and shaft sleeves 4, wherein a plurality of shaft sleeves 4 and end face shaft discs 3 are inserted and sleeved on a main body part in the middle of the main shaft 1, one shaft sleeve 4 is sleeved between every two adjacent end face shaft discs 3, and all the shaft sleeves 4 and the end face shaft discs 3 are arranged at intervals and inserted and sleeved on the main shaft 1 and are connected through flat keys 5;
all the end face shaft discs 3 are formed with connecting through holes 31, the connecting shaft 6 is inserted in the corresponding connecting through holes 31 on all the end face shaft discs 3, the rod part of the hammer body 2 and the two wear-resistant spacers 7 are inserted in the connecting shaft 6 between every two adjacent end face shaft discs 3, the two wear-resistant spacers 7 are positioned on two sides of the rod part of the hammer body 2, and the other end face of each wear-resistant spacer 7 is close to the corresponding end face shaft disc 3.
Furthermore, four connecting through holes 31 are formed in the end face shaft disc 3, and the four connecting through holes 31 and the central axis of the end face shaft disc 3 are uniformly distributed on the end face shaft disc 3 as the center.
Further, a protection boss 41 is formed on the outer side wall of the shaft sleeve 4, and the protection boss 41 is located between the corresponding two rod portions of the hammer body 2.
Further, the protection convex part 41 is in a triangular convex shape, and a wear-resistant protection plate layer 42 is fixed on the outer side wall of the protection convex part 41.
Further, the wear-resistant protection plate layer 42 is welded and fixed on the outer side wall of the protection boss 41.
Furthermore, an axially extending flat key groove is formed in one side wall of the middle main body part of the main shaft 1, the flat key 5 is inserted in the flat key groove and fixedly connected to the main shaft 1 through a bolt, and the upper part of the flat key 5 extends out of the flat key groove and is inserted in inner slots formed in the inner side walls of the shaft sleeve 5 and the end face shaft disc 3.
Furthermore, one end of the connecting shaft 6 extends out of the end face shaft disc 3 of the end part and is formed with an annular clamping groove 61, a clamping plate 8 is fixedly connected to the outer side wall of the end face shaft disc 3 of the end part through a bolt, and a part of the clamping plate 8 is inserted and sleeved in the corresponding annular clamping groove 61.
Further, the two ends of the middle body part of the main shaft 1 are formed with a bolt shaft part 11, the bolt shaft part 11 is inserted with a stop washer 111 and a round nut 112, and the stop washer 111 is clamped between the end face shaft disc 3 and the round nut 112.
Furthermore, a wear-resistant reinforcing sleeve 21 is fixed on the outer side wall of the hammer head of the hammer body 2.
Further, the wear-resistant reinforcing sleeve 21 is welded and fixed on the outer side wall of the hammer head of the hammer body 2.
In the embodiment, when the hammer is used, the protective protruding part 41 and the wear-resistant protective plate layer 42 fixed on the outer side wall of the protective protruding part 41 enable the two hammer bodies 2 on the two sides of the protective protruding part 41 to lean against the wear-resistant protective plate layer 42 firstly when being beaten, the hardness of the wear-resistant protective plate layer 42 is smaller than that of the rod part of the hammer body 2, the toughness is higher, and therefore the rod part of the hammer body 2 can be guaranteed not to be damaged when being beaten on the wear-resistant protective plate layer 42, and the service life of the hammer is guaranteed;
meanwhile, in the embodiment, the connecting shaft 6 is connected with the hammer body 2, the connecting shaft 6 is inserted and sleeved in the corresponding connecting through hole 31 on the end face shaft disc 3, the end face shaft disc 3 is thick in thickness and high in strength, the connecting effect is guaranteed, when the impact hammer crusher needs to be disassembled, only a cover plate of an access hole in a side plate of a shell of the impact hammer crusher needs to be removed, then the connecting shaft 6 can be pulled out of the access hole after the clamping plate 8 is disassembled, and the hammer body 2 can be disassembled for replacement and maintenance, so that the impact hammer body is very convenient;
meanwhile, the outer side wall of the hammer head of the hammer body 2 is fixedly provided with the wear-resistant reinforcing sleeve 21, so that the service life of the hammer head of the hammer body 2 is greatly prolonged, and the maintenance frequency is reduced.
Claims (10)
1. The utility model provides a rotor assembly for impact hammer crusher, includes main shaft (1), hammer block (2), terminal surface reel (3) and axle sleeve (4), its characterized in that: a plurality of shaft sleeves (4) and end face shaft discs (3) are inserted and sleeved on the main body part in the middle of the main shaft (1), one shaft sleeve (4) is sleeved between every two adjacent end face shaft discs (3), and all the shaft sleeves (4) and the end face shaft discs (3) are arranged at intervals, inserted and sleeved on the main shaft (1) and connected through flat keys (5);
all the end face shaft discs (3) are formed with connecting through holes (31), connecting shafts (6) are inserted in the corresponding connecting through holes (31) in all the end face shaft discs (3), the connecting shafts (6) between every two adjacent end face shaft discs (3) are inserted with rod parts of hammer bodies (2) and two wear-resistant spacers (7), the two wear-resistant spacers (7) are located on two sides of the rod parts of the hammer bodies (2), and the other end face of each wear-resistant spacer (7) is close to the corresponding end face shaft disc (3).
2. The rotor assembly for a reaction hammer crusher according to claim 1, wherein: four connecting through holes (31) are formed in the end face shaft disc (3), and the four connecting through holes (31) and the central axis of the end face shaft disc (3) are uniformly distributed on the end face shaft disc (3) as centers.
3. The rotor assembly for a reaction hammer crusher according to claim 2, wherein: and a protective lug boss (41) is formed on the outer side wall of the shaft sleeve (4), and the protective lug boss (41) is positioned between the rod parts of the two corresponding hammer bodies (2).
4. The rotor assembly for a reaction hammer crusher according to claim 3, wherein: the protection boss (41) is in a triangular convex shape, and a wear-resistant protection plate layer (42) is fixed on the outer side wall of the protection boss (41).
5. The rotor assembly for a reaction hammer crusher according to claim 4, wherein: and the wear-resistant protective plate layer (42) is welded and fixed on the outer side wall of the protective boss (41).
6. The rotor assembly for a reaction hammer crusher according to claim 1, wherein: the spindle is characterized in that a flat key groove extending axially is formed in one side wall of the middle main body part of the spindle (1), a flat key (5) is inserted in the flat key groove and fixedly connected to the spindle (1) through a bolt, and the upper part of the flat key (5) extends out of the flat key groove and is inserted in inner slots formed in the inner side walls of the spindle sleeve (5) and the end face spindle disk (3).
7. The rotor assembly for a reaction hammer crusher according to claim 1, wherein: one end of the connecting shaft (6) extends out of the end face shaft disc (3) of the end part and is formed with an annular clamping groove (61), a clamping plate (8) is fixedly connected to the outer side wall of the end face shaft disc (3) of the end part through a bolt, and a part of the clamping plate (8) is inserted and sleeved in the corresponding annular clamping groove (61).
8. The rotor assembly for a reaction hammer crusher according to claim 1, wherein: the two ends of the middle main body part of the main shaft (1) are provided with screw connection shaft parts (11), the screw connection shaft parts (11) are sleeved with stop washers (111) and screwed connection round nuts (112), and the stop washers (111) are clamped between the end face shaft disc (3) and the round nuts (112).
9. The rotor assembly for a reaction hammer crusher according to claim 1, wherein: and a wear-resistant reinforcing sleeve (21) is fixed on the outer side wall of the hammer head of the hammer body (2).
10. The rotor assembly for a reaction hammer crusher of claim 9, wherein: the wear-resistant reinforcing sleeve (21) is welded and fixed on the outer side wall of the hammer head of the hammer body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388431.5A CN111450940A (en) | 2020-05-09 | 2020-05-09 | Rotor assembly for impact hammer crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388431.5A CN111450940A (en) | 2020-05-09 | 2020-05-09 | Rotor assembly for impact hammer crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111450940A true CN111450940A (en) | 2020-07-28 |
Family
ID=71671175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010388431.5A Pending CN111450940A (en) | 2020-05-09 | 2020-05-09 | Rotor assembly for impact hammer crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111450940A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058848A (en) * | 2021-04-26 | 2021-07-02 | 江苏鹏飞集团股份有限公司 | Scattering grader |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5022593A (en) * | 1989-03-10 | 1991-06-11 | Sivyer Steel Corporation | Heavy duty spider assembly for a hammermill |
| CN203764331U (en) * | 2014-03-17 | 2014-08-13 | 沈阳哈维尔表面工程技术有限公司 | Wear-resistant hammer for breaking materials |
| CN105498909A (en) * | 2016-01-16 | 2016-04-20 | 广西辉煌机械股份有限公司 | Crusher rotor |
| CN205700803U (en) * | 2016-04-27 | 2016-11-23 | 上海建设路桥机械设备有限公司 | The fixed structure of the bar of impact crusher rotor parts |
| CN109107692A (en) * | 2018-10-30 | 2019-01-01 | 湖北力帝机床股份有限公司 | Crusher rotor and tup arragement construction |
| CN208390132U (en) * | 2018-04-20 | 2019-01-18 | 重庆市南川区王小平机械制造有限公司 | A kind of antifriction alloy bar |
| CN209124035U (en) * | 2018-10-30 | 2019-07-19 | 湖北力帝机床股份有限公司 | Crusher rotor and tup arragement construction |
| CN209866179U (en) * | 2019-01-31 | 2019-12-31 | 浙江申轮水泥机械制造有限公司 | Rotor of square shaft crusher |
| CN209885905U (en) * | 2019-02-26 | 2020-01-03 | 吉林省通达电力机械制造有限公司 | Radial whole-group dismounting structure for hammer pin of hammer mill |
| US20200061625A1 (en) * | 2011-08-03 | 2020-02-27 | Genesis Iii, Inc. | Multi-connector hammer |
-
2020
- 2020-05-09 CN CN202010388431.5A patent/CN111450940A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5022593A (en) * | 1989-03-10 | 1991-06-11 | Sivyer Steel Corporation | Heavy duty spider assembly for a hammermill |
| US20200061625A1 (en) * | 2011-08-03 | 2020-02-27 | Genesis Iii, Inc. | Multi-connector hammer |
| CN203764331U (en) * | 2014-03-17 | 2014-08-13 | 沈阳哈维尔表面工程技术有限公司 | Wear-resistant hammer for breaking materials |
| CN105498909A (en) * | 2016-01-16 | 2016-04-20 | 广西辉煌机械股份有限公司 | Crusher rotor |
| CN205700803U (en) * | 2016-04-27 | 2016-11-23 | 上海建设路桥机械设备有限公司 | The fixed structure of the bar of impact crusher rotor parts |
| CN208390132U (en) * | 2018-04-20 | 2019-01-18 | 重庆市南川区王小平机械制造有限公司 | A kind of antifriction alloy bar |
| CN109107692A (en) * | 2018-10-30 | 2019-01-01 | 湖北力帝机床股份有限公司 | Crusher rotor and tup arragement construction |
| CN209124035U (en) * | 2018-10-30 | 2019-07-19 | 湖北力帝机床股份有限公司 | Crusher rotor and tup arragement construction |
| CN209866179U (en) * | 2019-01-31 | 2019-12-31 | 浙江申轮水泥机械制造有限公司 | Rotor of square shaft crusher |
| CN209885905U (en) * | 2019-02-26 | 2020-01-03 | 吉林省通达电力机械制造有限公司 | Radial whole-group dismounting structure for hammer pin of hammer mill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058848A (en) * | 2021-04-26 | 2021-07-02 | 江苏鹏飞集团股份有限公司 | Scattering grader |
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