CN204724245U - The broken shaft group of a kind of colliery hammer mill - Google Patents
The broken shaft group of a kind of colliery hammer mill Download PDFInfo
- Publication number
- CN204724245U CN204724245U CN201520229170.7U CN201520229170U CN204724245U CN 204724245 U CN204724245 U CN 204724245U CN 201520229170 U CN201520229170 U CN 201520229170U CN 204724245 U CN204724245 U CN 204724245U
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- CN
- China
- Prior art keywords
- broken shaft
- shaft
- set collar
- end cap
- broken
- Prior art date
- 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.)
- Withdrawn - After Issue
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Abstract
The broken shaft group of a kind of colliery hammer mill, comprise broken shaft, shaft coupling is set with in one end of broken shaft, at the other end of broken shaft, quartering hammer is installed, broken shaft between quartering hammer and shaft coupling is set with bearing block, bearing is provided with between bearing block and broken shaft, the location shaft shoulder of location bearing is respectively equipped with in the both sides, front and back of broken shaft upper bearing (metal), the location shaft shoulder near quartering hammer side is set with set collar I, between set collar I and quartering hammer, inner end cap is installed; The location shaft shoulder near shaft coupling side is set with set collar II, has at set collar II overcoat the outer end cap be fixedly connected with bearing block.The utility model good seal performance, convenient for maintaining, replacing, low price, can extend the service life of equipment, also can meet oil-proof, not enter coal requirement, improves the operating efficiency of equipment.
Description
Technical field
The utility model relates to a kind of underground coal mine breaker, particularly the broken shaft group of a kind of colliery hammer mill.
Background technology
At present, existing mine crushing machine generally adopts hammer mill, it is large that it has the ratio of reduction, production capacity is high, the features such as product granularity is even, this disintegrating machine is one of capital equipment of fine stone lime stone, coal or the following brittle material of other medium hardness in the industrial departments such as metallurgy, building materials, chemical industry and water power.And broken shaft group is the critical piece of broken material in disintegrating machine, but existing broken shaft group on the one hand its poor sealing performance, often there is leakage of oil, phenomenon that broken shaft enters coal dust, reduce the service life of equipment; Its structural design is unreasonable on the other hand, easily damages bearing, also seems very inconvenient, have a strong impact on operating efficiency when maintenance of equipment is changed.
Summary of the invention
The technical problems to be solved in the utility model is for the deficiencies in the prior art, proposes a kind of good seal performance, long service life, convenient for maintaining, replacing, the broken shaft group of the colliery hammer mill that can increase work efficiency.
The technical problems to be solved in the utility model is achieved through the following technical solutions, the broken shaft group of a kind of colliery hammer mill, be characterized in: comprise broken shaft, shaft coupling is set with in one end of broken shaft, by flat key, quartering hammer is installed at the other end of broken shaft, broken shaft between quartering hammer and shaft coupling is set with the bearing block be fixedly connected with hammer mill frame, the bearing be sleeved on broken shaft is provided with between bearing block and broken shaft, the location shaft shoulder of location bearing is respectively equipped with in the both sides, front and back of broken shaft upper bearing (metal), the location shaft shoulder near quartering hammer side is set with set collar I, between set collar I and quartering hammer, inner end cap is installed, the boss be fixedly connected with bearing block is had at set collar I overcoat, outside framework oil seal I is installed between boss and set collar I, labyrinth sealing I is provided with between the outer wall and the inwall of inner end cap of boss, in the outer rim of labyrinth sealing I, sealing felt I is installed, the location shaft shoulder near shaft coupling side is set with set collar II, the outer end cap be fixedly connected with bearing block is had at set collar II overcoat, outside framework oil seal II is installed between outer end cap and set collar II, the locking nut regulating set collar II is provided with between outer end cap and shaft coupling, locking nut is sleeved on broken shaft, between the inwall and the outer wall of outer end cap of locking nut, be provided with labyrinth sealing II, in the outer rim of labyrinth sealing II, sealing felt II be installed.
The technical problems to be solved in the utility model can also be come to realize further by the following technical programs, and quartering hammer is arranged with the installing hole installing tup.
The technical problems to be solved in the utility model can also be come to realize further by the following technical programs, and described inner end cap is arranged in quartering hammer, and quartering hammer is provided with the mounting groove coordinated with inner end cap.
The technical problems to be solved in the utility model can also be come to realize further by the following technical programs, and described boss and bearing block are wholely set.
The technical problems to be solved in the utility model can also be come to realize further by the following technical programs, is provided with O RunddichtringO I between set collar I and broken shaft.
The technical problems to be solved in the utility model can also be come to realize further by the following technical programs, is provided with O RunddichtringO II between set collar II and broken shaft.
Compared with prior art, the utility model utilizes outside framework oil seal I, II finally to seal, and prevents outflow of lubrication oil; Utilize the labyrinth sealing II between locking nut and outer end cap, labyrinth sealing I between boss and inner end cap carries out second layer sealing, prevent oil from flowing out and coal dust enters simultaneously; Utilize sealing felt I, II to carry out ground floor sealing, stop coal dust to enter, conveniently between turn(a)round, clear coal changes sealing felt.The utility model low price, can extend the service life of equipment, also can meet oil-proof, not enter coal requirement, improves the operating efficiency of equipment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
The broken shaft group of a kind of colliery hammer mill, comprise broken shaft 16, shaft coupling 17 is set with in one end of broken shaft 16, by flat key 2, quartering hammer 1 is installed at the other end of broken shaft, broken shaft between quartering hammer and shaft coupling is set with the bearing block 9 be fixedly connected with hammer mill frame, the bearing 10 be sleeved on broken shaft is provided with between bearing block and broken shaft, the location shaft shoulder of location bearing is respectively equipped with in the both sides, front and back of broken shaft upper bearing (metal), the location shaft shoulder near quartering hammer side is set with set collar I 4, inner end cap 6 is installed between set collar I and quartering hammer, the boss be fixedly connected with bearing block is had at set collar I overcoat, outside framework oil seal I 5 is installed between boss and set collar I, labyrinth sealing I is provided with between the outer wall and the inwall of inner end cap of boss, in the outer rim of labyrinth sealing I, sealing felt I 7 is installed, the location shaft shoulder near shaft coupling side is set with set collar II 14, the outer end cap 11 be fixedly connected with bearing block is had at set collar II overcoat, outside framework oil seal II 13 is installed between outer end cap and set collar II, the locking nut 18 regulating set collar II is provided with between outer end cap and shaft coupling, locking nut is sleeved on broken shaft, between the inwall and the outer wall of outer end cap of locking nut, be provided with labyrinth sealing II, in the outer rim of labyrinth sealing II, sealing felt II 12 be installed.The utility model is an axle system of broken shaft, locking nut, set collar I, set collar II, bearing, bearing block composition, and finally seals according to outside framework oil seal I, II, prevents outflow of lubrication oil; Second layer sealing is carried out in labyrinth sealing II between locking nut and outer end cap, labyrinth sealing I between boss and inner end cap, prevents oil from flowing out and coal dust enters simultaneously; Sealing felt I, II carries out ground floor sealing, is fixed, be convenient for changing by three outer pawls on locking nut, bearing block, and the main coal dust that stops enters, and between turn(a)round, clear coal changes sealing felt.
Quartering hammer is arranged with the installing hole 8 installing tup.Described inner end cap is arranged in quartering hammer, and quartering hammer is provided with the mounting groove coordinated with inner end cap.Described boss and bearing block are wholely set; O RunddichtringO I 3 is installed between set collar I and broken shaft.O RunddichtringO II 15 is installed between set collar II and broken shaft.
Claims (6)
1. the broken shaft group of a colliery hammer mill, it is characterized in that: comprise broken shaft, shaft coupling is set with in one end of broken shaft, by flat key, quartering hammer is installed at the other end of broken shaft, broken shaft between quartering hammer and shaft coupling is set with the bearing block be fixedly connected with hammer mill frame, the bearing be sleeved on broken shaft is provided with between bearing block and broken shaft, the location shaft shoulder of location bearing is respectively equipped with in the both sides, front and back of broken shaft upper bearing (metal), the location shaft shoulder near quartering hammer side is set with set collar I, between set collar I and quartering hammer, inner end cap is installed, the boss be fixedly connected with bearing block is had at set collar I overcoat, outside framework oil seal I is installed between boss and set collar I, labyrinth sealing I is provided with between the outer wall and the inwall of inner end cap of boss, in the outer rim of labyrinth sealing I, sealing felt I is installed, the location shaft shoulder near shaft coupling side is set with set collar II, the outer end cap be fixedly connected with bearing block is had at set collar II overcoat, outside framework oil seal II is installed between outer end cap and set collar II, the locking nut regulating set collar II is provided with between outer end cap and shaft coupling, locking nut is sleeved on broken shaft, between the inwall and the outer wall of outer end cap of locking nut, be provided with labyrinth sealing II, in the outer rim of labyrinth sealing II, sealing felt II be installed.
2. the broken shaft group of colliery according to claim 1 hammer mill, is characterized in that: on quartering hammer, be arranged with the installing hole installing tup.
3. the broken shaft group of colliery according to claim 1 hammer mill, is characterized in that: described inner end cap is arranged in quartering hammer, quartering hammer is provided with the mounting groove coordinated with inner end cap.
4. the broken shaft group of colliery according to claim 1 hammer mill, is characterized in that: described boss and bearing block are wholely set.
5. the broken shaft group of colliery according to claim 1 hammer mill, is characterized in that: between set collar I and broken shaft, be provided with O RunddichtringO I.
6. the broken shaft group of colliery according to claim 1 hammer mill, is characterized in that: between set collar II and broken shaft, be provided with O RunddichtringO II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520229170.7U CN204724245U (en) | 2015-04-16 | 2015-04-16 | The broken shaft group of a kind of colliery hammer mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520229170.7U CN204724245U (en) | 2015-04-16 | 2015-04-16 | The broken shaft group of a kind of colliery hammer mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204724245U true CN204724245U (en) | 2015-10-28 |
Family
ID=54382630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520229170.7U Withdrawn - After Issue CN204724245U (en) | 2015-04-16 | 2015-04-16 | The broken shaft group of a kind of colliery hammer mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204724245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801398A (en) * | 2015-04-16 | 2015-07-29 | 连云港天明装备有限公司 | Crushing shaft assembly of hammer type crusher for coal mine |
-
2015
- 2015-04-16 CN CN201520229170.7U patent/CN204724245U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801398A (en) * | 2015-04-16 | 2015-07-29 | 连云港天明装备有限公司 | Crushing shaft assembly of hammer type crusher for coal mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20171114 |