CN220443979U - Rotor assembly of ring hammer coal breaker - Google Patents
Rotor assembly of ring hammer coal breaker Download PDFInfo
- Publication number
- CN220443979U CN220443979U CN202321944899.3U CN202321944899U CN220443979U CN 220443979 U CN220443979 U CN 220443979U CN 202321944899 U CN202321944899 U CN 202321944899U CN 220443979 U CN220443979 U CN 220443979U
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- China
- Prior art keywords
- ring hammer
- end plate
- diamond
- shaped partition
- hammer shaft
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- 239000003245 coal Substances 0.000 title claims abstract description 11
- 238000005192 partition Methods 0.000 claims abstract description 59
- 210000004907 gland Anatomy 0.000 claims abstract description 22
- 239000000178 monomer Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Crushing And Pulverization Processes (AREA)
Abstract
A rotor assembly of a ring hammer coal crusher relates to a rotor assembly of a ring hammer coal crusher. The rotor assembly is designed for mainly solving the problem of the service life of the rotor assembly of the existing ring hammer coal breaker. The device comprises a main shaft, wherein the main shaft is provided with a left end plate, a right end plate and a diamond-shaped partition plate, two ends of the diamond-shaped partition plate are respectively provided with a ring hammer shaft hole, and the two ring hammer shaft holes are respectively positioned at two sides of the axial center line of the diamond-shaped partition plate; the left end plate and the right end plate are provided with ring hammer shaft mounting holes; the four ring hammer shafts are of segmented structures, and after each segment of single body of each ring hammer shaft sequentially passes through the ring hammer shaft holes corresponding to the diamond-shaped partition plates, two ends of each single body of each ring hammer shaft are respectively inserted into the ring hammer shaft mounting holes of the left end plate and the right end plate; the left side surface of the left end plate is provided with a gland at a position corresponding to the ring hammer shaft mounting hole, the right side surface of the right end plate is also provided with a gland at a position corresponding to the ring hammer shaft mounting hole, and the gland is connected to the left end plate and the right end plate through bolts; the ring hammer shaft between two adjacent diamond-shaped partition boards is provided with a ring hammer. Has the advantage of long service life.
Description
Technical Field
The utility model relates to a rotor assembly of a ring hammer coal breaker.
Background
The rotor assembly of the existing ring hammer coal crusher comprises a main shaft, two ends of the main shaft are respectively matched with bearings in bearing seats, one end of the main shaft is connected with a motor shaft of the ring hammer coal crusher through a coupling, and the motor works to drive the main shaft to rotate. The left end and the right end of the main shaft are respectively fixed with a left end plate and a right end plate, a plurality of diamond-shaped partition plates are fixed on the main shaft between the left end plate and the right end plate, and the diamond-shaped partition plates are alternately arranged in sequence according to the horizontal direction and the vertical direction; the two ends of each diamond-shaped partition plate are respectively provided with a ring hammer shaft hole, the circle centers of the two ring hammer shaft holes are positioned on the axial central line of the diamond-shaped partition plate, namely, the two ring hammer shaft holes of the same diamond-shaped partition plate are positioned on the same straight line, and four ring hammer shafts are also arranged, wherein the two ring hammer shafts respectively pass through the ring hammer shaft holes corresponding to the horizontally arranged diamond-shaped partition plates in sequence and then are respectively connected with a left end plate and a right end plate; the left end and the right end of the other two ring hammer shafts respectively pass through the ring hammer shaft holes corresponding to the vertically arranged diamond-shaped partition plates in sequence and then are respectively connected to the left end shift and the right end plate, and ring hammers are arranged on the ring hammer shafts between the two diamond-shaped partition plates.
Such a rotor assembly has the following disadvantages: because the circle centers of the two ring hammer shaft holes are positioned on the axial center line of the diamond-shaped partition plate, the main shaft bears large rotation torque, the service life of the main shaft is influenced, and the crushing effect is poor.
The existing ring hammer shaft is of an integral structure, and when part of the ring hammer shaft is worn to influence the work, the ring hammer shaft needs to be replaced integrally, so that waste is caused.
The working surface (the vertical surface close to the outer end part) of the diamond-shaped partition plate is easy to wear when being contacted with materials, and the service life is low.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the rotor assembly of the ring hammer coal crusher, which has long service life, good crushing effect and no need of integral replacement due to abrasion of the ring hammer shaft.
The above object is achieved in that: the device comprises a main shaft, wherein two ends of the main shaft are respectively matched with bearings in a bearing seat, a left end plate and a right end plate are respectively fixed at the left end and the right end of the main shaft, a plurality of diamond-shaped partition plates are fixed on the main shaft between the left end plate and the right end plate, and the diamond-shaped partition plates are sequentially and alternately arranged in the horizontal direction and the vertical direction; the method is characterized in that: the two ends of each diamond-shaped partition plate are respectively provided with a ring hammer shaft hole, one ring hammer shaft hole is positioned at one side of the axial center line of the diamond-shaped partition plate, the other ring hammer shaft hole is positioned at the other side of the axial center line of the diamond-shaped partition plate, namely, the two ring hammer shaft holes are respectively positioned at two sides of the axial center line of the diamond-shaped partition plate; the left end plate and the right end plate are correspondingly provided with ring hammer shaft mounting holes at the positions of ring hammer shaft holes of the diamond-shaped partition plates which are correspondingly and horizontally arranged and the diamond-shaped partition plates which are vertically arranged;
the four ring hammer shafts are of a segmented structure, namely each ring hammer shaft consists of a plurality of segments of ring hammer shaft monomers; after each section of single body of the two ring hammer shafts sequentially passes through the ring hammer shaft holes corresponding to the horizontally arranged diamond-shaped partition plates, the left end and the right end of each section of single body of the two ring hammer shafts are respectively inserted into the two ring hammer shaft mounting holes corresponding to the left end plate and the right end plate; after each section of single body of the other two ring hammer shafts sequentially passes through the ring hammer shaft holes corresponding to the vertically arranged diamond-shaped partition plates, the left end and the right end of each section of single body are respectively inserted into the rest two ring hammer shaft mounting holes of the left end plate and the right end plate;
the left side surface of the left end plate is provided with a gland at a position corresponding to the ring hammer shaft mounting hole, the gland is connected to the left end plate through a bolt, the right side surface of the right end plate is also provided with a gland at a position corresponding to the ring hammer shaft mounting hole, the gland is connected to the right end plate through a bolt, and the two glands can limit and fix the ring hammer shaft; the ring hammer shaft between two adjacent diamond-shaped partition plates which are horizontally arranged is provided with a ring hammer, and the ring hammer shaft between two adjacent diamond-shaped partition plates which are vertically arranged is also provided with a ring hammer. When the ring hammer shaft is installed, the gland on one end plate is fixed first, then the ring hammer shaft monomers of each section are sequentially inserted into the ring hammer shaft holes of the diamond-shaped partition plates, and finally the gland on the other end plate is fixed.
The elevation of each diamond-shaped partition board close to the outer end is provided with a 5mm thick surfacing layer.
The utility model has the advantages that: because the two ring hammer shaft holes are respectively positioned at two sides of the axial center line of the diamond-shaped partition plate, the eccentric design increases the rotation radius of the hammer ring, and when the hammer ring hammers materials, the eccentric shaft drives the hammer ring to rotate, so that additional rotary hammering force is increased, the crushing effect is improved, and the service life of the main shaft is prolonged. Because the ring hammer shaft adopts a sectional design, when the ring hammer shaft is worn, only the corresponding wearing section needs to be replaced. The working surface of the diamond-shaped partition plate is provided with the surfacing layer, so that the service life of the diamond-shaped partition plate is prolonged.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 2 is a view A-A of FIG. 1;
FIG. 3 is a diamond shape of the present utility model the structure of the partition board is schematically shown.
Detailed Description
The utility model is further described with reference to fig. 1-3;
it comprises a main shaft 1, two ends of the main shaft are respectively matched with bearings in a bearing seat 2, a left end plate 3 and a right end plate 4 are respectively fixed at the left end and the right end of the main shaft, a plurality of diamond-shaped partition plates 5 are fixed on the main shaft between the left end plate and the right end plate, and are sequentially and alternately arranged in the horizontal direction and the vertical direction; the method is characterized in that: the two ends of each diamond-shaped partition plate are respectively provided with a ring hammer shaft hole 6, one ring hammer shaft hole is positioned at one side of the axial center line of the diamond-shaped partition plate, the other ring hammer shaft hole is positioned at the other side of the axial center line of the diamond-shaped partition plate, namely, the two ring hammer shaft holes are respectively positioned at two sides of the axial center line of the diamond-shaped partition plate; the left end plate and the right end plate are correspondingly provided with ring hammer shaft mounting holes at the positions of ring hammer shaft holes of the diamond-shaped partition plates which are correspondingly and horizontally arranged and the diamond-shaped partition plates which are vertically arranged;
the four ring hammer shafts 7 are also included, each ring hammer shaft is of a sectional structure, namely, each ring hammer shaft consists of a plurality of ring hammer shaft monomers; after each section of single body of the two ring hammer shafts sequentially passes through the ring hammer shaft holes corresponding to the horizontally arranged diamond-shaped partition plates, the left end and the right end of each section of single body of the two ring hammer shafts are respectively inserted into the two ring hammer shaft mounting holes corresponding to the left end plate and the right end plate; after each section of single body of the other two ring hammer shafts sequentially passes through the ring hammer shaft holes corresponding to the vertically arranged diamond-shaped partition plates, the left end and the right end of each section of single body are respectively inserted into the rest two ring hammer shaft mounting holes of the left end plate and the right end plate;
the left side surface of the left end plate is provided with a gland 8 at the position corresponding to the ring hammer shaft mounting hole, the gland is connected to the left end plate through a bolt, the right side surface of the right end plate is also provided with a gland at the position corresponding to the ring hammer shaft mounting hole, the gland is connected to the right end plate through a bolt, and the two glands can limit and fix the ring hammer shaft; the ring hammer 9 is arranged on the ring hammer shaft between two adjacent diamond-shaped partition plates which are horizontally arranged, and the ring hammer is also arranged on the ring hammer shaft between two adjacent diamond-shaped partition plates which are vertically arranged. When the ring hammer shaft is installed, the gland on one end plate is fixed first, then the ring hammer shaft monomers of each section are sequentially inserted into the ring hammer shaft holes of the diamond-shaped partition plates, and finally the gland on the other end plate is fixed.
The vertical face of each diamond-shaped partition board close to the outer end is provided with a build-up welding layer 10 with the thickness of 5 mm.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (2)
1. The rotor assembly of the ring hammer coal breaker comprises a main shaft (1), wherein a left end plate (3) and a right end plate (4) are respectively fixed at the left end and the right end of the main shaft, a plurality of diamond-shaped partition plates (5) are fixed on the main shaft between the left end plate and the right end plate, and the diamond-shaped partition plates are alternately arranged in turn according to the horizontal direction and the vertical direction; the method is characterized in that: two ends of each diamond-shaped partition plate are respectively provided with a ring hammer shaft hole (6), one ring hammer shaft hole is positioned at one side of the axial center line of the diamond-shaped partition plate, the other ring hammer shaft hole is positioned at the other side of the axial center line of the diamond-shaped partition plate, namely, the two ring hammer shaft holes are respectively positioned at two sides of the axial center line of the diamond-shaped partition plate; the left end plate and the right end plate are correspondingly provided with ring hammer shaft mounting holes at the positions of ring hammer shaft holes of the diamond-shaped partition plates which are correspondingly and horizontally arranged and the diamond-shaped partition plates which are vertically arranged;
the device also comprises four ring hammer shafts (7), wherein each ring hammer shaft is of a sectional structure, namely, each ring hammer shaft consists of a plurality of ring hammer shaft monomers; after each section of single body of the two ring hammer shafts sequentially passes through the ring hammer shaft holes corresponding to the horizontally arranged diamond-shaped partition plates, the left end and the right end of each section of single body of the two ring hammer shafts are respectively inserted into the two ring hammer shaft mounting holes corresponding to the left end plate and the right end plate; after each section of single body of the other two ring hammer shafts sequentially passes through the ring hammer shaft holes corresponding to the vertically arranged diamond-shaped partition plates, the left end and the right end of each section of single body are respectively inserted into the rest two ring hammer shaft mounting holes of the left end plate and the right end plate;
the left side surface of the left end plate is provided with a gland (8) at the position corresponding to the ring hammer shaft mounting hole, the gland is connected to the left end plate through a bolt, the right side surface of the right end plate is also provided with a gland at the position corresponding to the ring hammer shaft mounting hole, the gland is connected to the right end plate through a bolt, and the two glands can limit and fix the ring hammer shaft; the ring hammer (9) is arranged on the ring hammer shaft between two adjacent diamond-shaped partition plates which are horizontally arranged, and the ring hammer is also arranged on the ring hammer shaft between two adjacent diamond-shaped partition plates which are vertically arranged.
2. The rotor assembly of the cyclic hammer coal breaker according to claim 1, wherein: the vertical face of each diamond-shaped partition board close to the outer end part is provided with a surfacing layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321944899.3U CN220443979U (en) | 2023-07-24 | 2023-07-24 | Rotor assembly of ring hammer coal breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321944899.3U CN220443979U (en) | 2023-07-24 | 2023-07-24 | Rotor assembly of ring hammer coal breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220443979U true CN220443979U (en) | 2024-02-06 |
Family
ID=89733111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321944899.3U Active CN220443979U (en) | 2023-07-24 | 2023-07-24 | Rotor assembly of ring hammer coal breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220443979U (en) |
-
2023
- 2023-07-24 CN CN202321944899.3U patent/CN220443979U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |