CN220715956U - Flywheel mounting structure of jaw crusher - Google Patents
Flywheel mounting structure of jaw crusher Download PDFInfo
- Publication number
- CN220715956U CN220715956U CN202322049577.9U CN202322049577U CN220715956U CN 220715956 U CN220715956 U CN 220715956U CN 202322049577 U CN202322049577 U CN 202322049577U CN 220715956 U CN220715956 U CN 220715956U
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- Prior art keywords
- flywheel
- shaft
- mounting
- sleeve
- mounting structure
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- 238000009434 installation Methods 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims 2
- 230000007704 transition Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model relates to the technical field of crushers, in particular to a flywheel mounting structure of a jaw crusher, which comprises an eccentric shaft body, wherein a flywheel is mounted at the end part of the eccentric shaft body through a mounting assembly, the mounting assembly comprises a mounting shaft fixedly mounted at the end part of the eccentric shaft body, one end of the mounting shaft, which is far away from the eccentric shaft body, is a round table part, the outer side of the round table part is sleeved with a shaft sleeve, a central sleeve hole of the shaft sleeve is matched with the shape of the round table part, and a plurality of limit strips are arranged between the shaft sleeve and the flywheel in an axial circumferential array; by adopting the circular truncated cone-shaped mounting shaft, as the two ends of the circular truncated cone part are provided with the large end face and the small end face and are matched with the inclined planes, compared with the traditional cylindrical mounting structure, the flywheel is mounted in a mode of tiny clearance fit, transition or interference fit (hot fitting).
Description
Technical Field
The utility model relates to the technical field of crushers, in particular to a flywheel mounting structure of a jaw crusher.
Background
Jaw crushers are mainly used for primary crushing of stones and are usually composed of a frame, a movable jaw, an eccentric shaft, a movable toothed plate, a toggle plate, a flywheel and the like.
The traditional large jaw crusher flywheel is connected with the eccentric shaft in a connecting mode through clearance fit of a cylindrical shaft hole and flat key connection, and finally the shaft end retainer ring is used for pressing connection, but the connecting mode is used for ensuring that the connection is stable, and micro clearance fit, transition or interference fit (hot fitting) is adopted, so that the flywheel is difficult to assemble and disassemble.
Disclosure of Invention
The utility model aims to provide a flywheel mounting structure of a jaw crusher, which solves the problem that in the traditional connection mode of a flywheel and an eccentric shaft of a large jaw crusher, tiny clearance fit, transition or interference fit (hot fitting) is adopted for ensuring stable connection, so that the flywheel is difficult to assemble and disassemble.
In order to achieve the above purpose, the utility model provides a flywheel mounting structure of a jaw crusher, which comprises an eccentric shaft body, wherein a flywheel is mounted at the end part of the eccentric shaft body through a mounting assembly, the mounting assembly comprises a mounting shaft fixedly mounted at the end part of the eccentric shaft body, one end of the mounting shaft, which is far away from the eccentric shaft body, is a round platform part, a shaft sleeve is sleeved on the outer side of the round platform part, a central sleeve hole of the shaft sleeve is matched with the shape of the round platform part, and a plurality of limiting strips are arranged between the shaft sleeve and the flywheel in an axial circumferential array.
The two end faces of the inner circumference of the shaft sleeve are respectively provided with inclined planes, and the two inclined planes are respectively communicated with the central sleeve hole of the shaft sleeve.
The side of the round platform part is axially provided with a flat key, the inner side of the shaft sleeve is axially provided with a key groove, and the key groove is matched with the shape of the flat key.
The mounting shaft is connected with the eccentric shaft body, one end of the mounting shaft, which is connected with the eccentric shaft body, is a cylindrical part, and a first check ring is screwed on the circumferential surface of the cylindrical part.
The round table is characterized in that a cylindrical end is fixedly arranged at one end, far away from the cylindrical part, of the round table, and a second check ring is screwed on the circumferential surface of the cylindrical end.
Compared with the prior art, the flywheel mounting structure of the jaw crusher has the following beneficial effects:
1. by adopting the circular truncated cone-shaped mounting shaft, as the two ends of the circular truncated cone portion are provided with the large end face and the small end face and are matched with the inclined planes, compared with a traditional cylindrical mounting structure, the flywheel is mounted in a mode of tiny clearance fit, transition or interference fit (hot-mount), and the flywheel can be more easily installed on the outer side of the mounting shaft in a penetrating manner, so that convenience in mounting, dismounting, maintenance or replacement of the flywheel is realized.
2. The shaft sleeve is arranged between the mounting shaft and the flywheel to mount the flywheel, so that the flywheel is convenient to mount, and meanwhile, stress which is easy to generate when the flywheel works is reduced to be concentrated at the joint of the flywheel and the mounting shaft, the service life of the flywheel is prolonged, and the occurrence of crack phenomenon of the flywheel is reduced.
3. Through set up between the axle sleeve with the flywheel spacing, the axle sleeve with connect through the keyway between the installation axle, further improve flywheel installation stability guarantees the normal work of broken machine in jaw.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of a flywheel mounting structure of the jaw crusher of the present utility model.
Fig. 2 is an exploded view of the second retainer ring and cylindrical end of the present utility model.
Fig. 3 is a schematic view of the connection of the frustoconical portion to the cylindrical portion and the cylindrical end of the present utility model.
In the figure: the novel bearing comprises a 1-eccentric shaft body, a 2-flywheel, a 3-mounting shaft, a 4-round platform part, a 5-shaft sleeve, a 6-limit strip, a 7-inclined plane, an 8-flat key, a 9-key slot, a 10-cylindrical part, a 11-first check ring, a 12-cylindrical end and a 13-second check ring.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
Referring to fig. 1 to 3, a flywheel mounting structure of jaw crusher comprises an eccentric shaft body 1, wherein a flywheel 2 is mounted at the end part of the eccentric shaft body 1 through a mounting assembly, the mounting assembly comprises a mounting shaft 3 fixedly mounted at the end part of the eccentric shaft body 1, one end of the mounting shaft 3, which is far away from the eccentric shaft body 1, is a round table part 4, a shaft sleeve 5 is sleeved on the outer side of the round table part 4, a central sleeve hole of the shaft sleeve 5 is matched with the shape of the round table part 4, and a plurality of limit strips 6 are arranged between the shaft sleeve 5 and the flywheel 2 in an axial circumferential array.
In this embodiment, the circular truncated cone portion 4 is used for installing the shaft sleeve 5, the shaft sleeve 5 is used for installing the flywheel 2, the central sleeve hole of the shaft sleeve 5 is also circular truncated cone shaped and is matched with the shape of the circular truncated cone portion 4, and the limit bar 6 fixed on the outer side of the shaft sleeve 5 is matched with the limit hole in the shaft hole of the flywheel 2, so that the flywheel 2 and the shaft sleeve 5 are prevented from rotating relatively.
Further, referring to fig. 2, two inclined surfaces 7 are respectively disposed on two end surfaces of the inner circumference of the shaft sleeve 5, and two inclined surfaces 7 are respectively communicated with a central sleeve hole of the shaft sleeve 5.
In the present embodiment, the inclined surface 7 facilitates the shaft sleeve 5 to be inserted and attached to the outer side of the circular truncated cone portion 4.
Further, referring to fig. 2, a flat key 8 is axially disposed on a side surface of the circular truncated cone portion 4, and a key slot 9 is axially disposed on an inner side surface of the sleeve 5, and the key slot 9 is matched with an outer shape of the flat key 8.
In this embodiment, through the cooperation of the flat key 8 and the key slot 9, when avoiding the rotation of the flywheel 2, the relative rotation between the shaft sleeve 5 and the mounting shaft 3 is avoided, so as to ensure the normal rotation of the flywheel 2, thereby ensuring the normal operation of the jaw crusher.
Further, referring to fig. 1 and 3, the end of the mounting shaft 3 connected to the eccentric shaft body 1 is a cylindrical portion 10, and a first retainer ring 11 is screwed on the circumferential surface of the cylindrical portion 10.
Further, referring to fig. 2 and 3, a cylindrical end 12 is fixedly mounted at an end of the circular truncated cone portion 4 away from the cylindrical portion 10, and a second retainer ring 13 is screwed on a circumferential surface of the cylindrical end 12.
In this embodiment, when the flywheel 2 is mounted on the outer side of the circular truncated cone portion 4 through the sleeve 5, the first retainer ring 11 and the second retainer ring 13 are respectively rotated to abut against both sides of the flywheel 2, so as to limit the flywheel 2, and the flywheel 2 is stably mounted on the eccentric shaft body 1.
According to the flywheel mounting structure of the jaw crusher, when the flywheel 2 is mounted, the shaft sleeve 5 is firstly arranged on the inner side of the flywheel 2 in a penetrating mode through the limiting strips 6, then the flywheel 2 is moved, the key grooves 9 are aligned with the flat keys 8, the flywheel 2 is arranged on the outer side of the round table portion 4 in a penetrating mode through the shaft sleeve 5, and due to the fact that the two ends of the round table portion 4 are provided with the large end face and the small end face and are matched with the inclined faces 7, compared with a traditional cylindrical mounting structure, the flywheel 2 can be mounted on the outer side of the mounting shaft 3 in a penetrating mode more easily, after the flywheel 2 is mounted, the first retainer ring 11 and the second retainer ring 13 are respectively rotated to be in contact with the two sides of the flywheel 2, limiting is conducted on the flywheel 2, and the two retainer rings are fixed through bolts, so that the flywheel 2 is mounted on the eccentric shaft body 1 stably.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.
Claims (5)
1. The flywheel mounting structure of the jaw crusher comprises an eccentric shaft body, and is characterized in that a flywheel is mounted at the end part of the eccentric shaft body through a mounting assembly, the mounting assembly comprises a mounting shaft fixedly mounted at the end part of the eccentric shaft body, one end of the mounting shaft, which is far away from the eccentric shaft body, is a round table part, a shaft sleeve is sleeved on the outer side of the round table part, a central sleeve hole of the shaft sleeve is matched with the shape of the round table part, and a plurality of limiting strips are arranged between the shaft sleeve and the flywheel in an axial circumferential array.
2. The flywheel mounting structure of a jaw crusher according to claim 1, wherein,
inclined planes are respectively arranged on two end faces of the inner circumference of the shaft sleeve, and the two inclined planes are respectively communicated with a central sleeve hole of the shaft sleeve.
3. The flywheel mounting structure of a jaw crusher according to claim 1, wherein,
the side of round platform portion is provided with the flat key axially, be provided with the keyway on the medial surface of axle sleeve axially, the keyway with the flat key appearance cooperatees.
4. The flywheel mounting structure of a jaw crusher according to claim 1, wherein,
the installation shaft is cylindrical with the one end that the eccentric shaft body is connected, the spiro union has first retaining ring on the periphery of cylindrical.
5. The flywheel mounting structure of a jaw crusher according to claim 4, wherein,
the round platform portion is kept away from cylinder part one end fixed mounting has the cylinder end, the spiro union has the second retaining ring on the periphery of cylinder end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322049577.9U CN220715956U (en) | 2023-08-01 | 2023-08-01 | Flywheel mounting structure of jaw crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322049577.9U CN220715956U (en) | 2023-08-01 | 2023-08-01 | Flywheel mounting structure of jaw crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220715956U true CN220715956U (en) | 2024-04-05 |
Family
ID=90484902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322049577.9U Active CN220715956U (en) | 2023-08-01 | 2023-08-01 | Flywheel mounting structure of jaw crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220715956U (en) |
-
2023
- 2023-08-01 CN CN202322049577.9U patent/CN220715956U/en active Active
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