CN212595911U - Eccentric assembly of multi-cylinder hydraulic cone crusher - Google Patents
Eccentric assembly of multi-cylinder hydraulic cone crusher Download PDFInfo
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- CN212595911U CN212595911U CN202021515368.9U CN202021515368U CN212595911U CN 212595911 U CN212595911 U CN 212595911U CN 202021515368 U CN202021515368 U CN 202021515368U CN 212595911 U CN212595911 U CN 212595911U
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- eccentric
- sleeve
- counterweight
- eccentric sleeve
- balance weight
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Abstract
The utility model discloses an eccentric assembly of a multi-cylinder hydraulic cone crusher, which comprises a copper bush, an eccentric sleeve, a counterweight, a sealing washer, a counterweight cover and the like, wherein the copper bush is arranged in the eccentric sleeve, the eccentric sleeve bush is arranged on the outer ring, and the copper bush and the eccentric sleeve bush are fixed through interference fit; the bottom of the eccentric sleeve is provided with a thrust bearing and a bevel gear; the balance weight is fixedly connected to the outer ring of the eccentric sleeve through a bolt, a balance weight cover is arranged above the balance weight, and a sealing gasket is arranged between the balance weight and the balance weight cover; the top of the counterweight is a plane, the outer ring is a cylindrical surface, the top of the sleeve of the counterweight cover is an inclined plane, and the inclination angle of the inclined plane is equal to the eccentric angle of the eccentric sleeve. The utility model discloses a change the counter weight design, reduced the manufacturing degree of difficulty and the cost of counter weight, improved the centrobaric accuracy of counter weight, make breaker moving part focus be located its axis of rotation, can reduce the noise that produces when the breaker moves and the vibration that the unbalance loading leads to.
Description
Technical Field
The utility model relates to a cone crusher technical field, concretely relates to eccentric assembly of multi-cylinder hydraulic cone crusher.
Background
The multi-cylinder hydraulic cone crusher has high efficiency, low energy consumption and uniform product granularity, is suitable for medium and fine crushing of various ores and rocks, and is widely applied to multiple industries such as metal mines, metallurgy, cement, sand and stone. In the operation process of the multi-cylinder hydraulic cone crusher, the eccentric assembly and the moving cone assembly rotate around the fixed main shaft, and the gravity centers of the eccentric sleeve and the moving cone assembly are not positioned on the rotating axis of the eccentric sleeve and the moving cone assembly, so that huge centrifugal force can be generated when the eccentric sleeve and the moving cone assembly rotate, and the centrifugal force generated when the eccentric sleeve and the moving cone assembly rotate needs to be balanced by the balance weight assembly. The counter weight is used as a main balancing part and plays a key role, the counter weight of the existing multi-cylinder hydraulic cone crusher is generally shown in figure 1, the structure is complex, the axis of the upper sealing annular groove is eccentric and forms an included angle with the axis of the lower sealing annular groove and the axes of the inner and outer circular columns, the connecting part between the upper sealing annular groove and the lower sealing annular groove is of an irregular structure, the structure of a lead pouring groove is irregular, the casting and processing manufacturability of the lead pouring groove is poor, and the casting and processing difficulty and cost are greatly increased. Meanwhile, due to the complexity of the structure of the counterweight, the position of the cast part cannot be machined, so that the size of the counterweight is difficult to meet the drawing size, in other words, an ideal model cannot be achieved, and due to the factors, even if the counterweight is manufactured according to the theoretical size, the gravity center of the counterweight is difficult to be in the position theoretically designed, and the centrifugal force generated when the movable cone assembly and the eccentric sleeve rotate cannot be balanced according to the theoretical requirement, so that the crusher generates vibration caused by large noise and unbalance loading during operation, and the service life of the crusher is shortened.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an eccentric assembly of multi-cylinder hydraulic cone crusher makes breaker moving part focus can be located its axis of rotation more accurately through the structure that changes counter weight and corresponding part in the eccentric assembly to reduce the noise that produces when the breaker moves and the vibration that the unbalance loading leads to, improve the life of breaker.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an eccentric assembly of multi-cylinder hydraulic cone crusher, includes copper bush, eccentric cover bush, counter weight, seal ring, counter weight cover, bevel gear, footstep bearing, characterized by: a copper bush is arranged in the eccentric sleeve, an eccentric sleeve bush is arranged on the outer ring of the eccentric sleeve, and the copper bush and the eccentric sleeve bush are fixed in an interference fit manner; the bottom of the eccentric sleeve is provided with a thrust bearing and a bevel gear; the balance weight is fixed on the outer ring of the eccentric sleeve through bolt connection, a balance weight cover is arranged above the balance weight, and a sealing gasket is arranged between the balance weight and the balance weight cover.
Preferably, the top of the counterweight is a plane, the outer ring of the counterweight is a cylindrical surface, and the counterweight is provided with a lead pouring groove within 180 degrees; the axis of the cylindrical surface of the inner ring of the lead pouring groove is superposed with the axis of the cylindrical surface of the outer ring of the counterweight, the middle part of the counterweight is provided with a fixed plate, and the fixed plate is connected and fixed on the outer ring of the eccentric sleeve through a bolt. The counterweight has a simple and regular structure, can reduce the difficulty and cost of casting and processing, and improves the accuracy of the gravity center of the counterweight;
preferably, the counterweight cover comprises a sleeve, a ring plate and a support plate, the top of the sleeve is an inclined plane, the inclined angle of the inclined plane is equal to the eccentric angle of the eccentric sleeve, and the ring plate is arranged at the top of the sleeve; the top of the ring plate is provided with a groove for mounting an I-shaped sealing ring; a supporting plate is arranged inside the sleeve; the supporting plate covers the top of the balance weight, and a sealing gasket is arranged between the supporting plate and the top of the balance weight.
Further preferably, a balance hole is dug at one side of the eccentric sleeve with larger wall thickness, so that the eccentric force generated during rotation is reduced; an eccentric sleeve bushing is arranged outside the eccentric sleeve, so that the abrasion and the replacement of the eccentric sleeve are reduced.
Further preferably, the outer ring of the eccentric assembly is provided with a wear-resistant guard plate, a copper bushing in the eccentric assembly is in clearance fit with the main shaft, and an eccentric sleeve bushing is in clearance fit with a movable cone bushing of the movable cone assembly.
The utility model has the advantages that: the counterweight adopts a split type design, the outer ring of the counterweight is a cylindrical surface, and a lead pouring groove is formed in the counterweight within 180 degrees; the axis of the cylindrical surface of the inner ring of the lead pouring groove is superposed with the axis of the cylindrical surface of the outer ring of the counterweight, the top of a sleeve of the counterweight cover is an inclined plane, the inclined angle of the inclined plane is equal to the eccentric angle of the eccentric sleeve, and the top of the sleeve is provided with a ring plate; the top of the ring plate is provided with a groove for mounting an I-shaped sealing ring; a supporting plate is arranged inside the sleeve; the manufacturing difficulty and cost of the balance weight are reduced, the accuracy of the gravity center of the balance weight is improved, meanwhile, the eccentric force is reduced by reducing the weight of the side with the larger wall thickness of the eccentric sleeve, the gravity center of a moving part of the crusher can be more accurately positioned on the rotating axis of the moving part, the noise generated during the operation of the crusher and the vibration caused by unbalance loading are reduced, and the service life of the crusher is effectively prolonged.
Drawings
Fig. 1 is a schematic view of a conventional counterweight structure.
FIG. 2 is a schematic view of the installation structure of the eccentric assembly of the present invention;
fig. 3 is a schematic view of the eccentric assembly structure of the present invention.
FIG. 4 is a schematic view of a three-dimensional structure of the counterweight of the present invention;
fig. 5 is a schematic view of the sectional structure of the counterweight of the present invention.
Fig. 6 is a top view of the weight housing of the present invention;
fig. 7 is a sectional view of the counterweight housing B-B of the present invention.
Fig. 8 is a top view of the eccentric sleeve of the present invention;
fig. 9 is a C-C sectional view of the eccentric sleeve of the present invention.
In the figure: 1. the novel lead-filling machine comprises a machine frame, 2 a main shaft, 3 an eccentric assembly, 4 a wear-resistant guard plate, 5 a thrust bearing lower disc, 6 a moving cone assembly, 7 a moving cone bushing, 8 a spherical support assembly, 31 a copper bushing, 32 an eccentric sleeve, 33 an eccentric sleeve bushing, 34 a balance weight, 35 a sealing gasket, 36 a balance weight cover, 37 an I-shaped sealing ring, 38 a bevel gear, 39 a thrust bearing, 321 a balance hole, 341 a lead filling groove, 342 a lead filling groove inner ring, 343 a balance weight outer ring, 344 a fixing plate, 361 a sleeve, 362 a ring plate and 363 a support plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 2, a main shaft 2 of the multi-cylinder hydraulic cone crusher is arranged in a frame 1, an eccentric assembly 3 is sleeved on the main shaft 2, an abrasion-resistant guard plate 4 is arranged on the outer ring of the eccentric assembly 3, a spherical support assembly 8 is arranged at the top end of the main shaft 2, the spherical support assembly 8 supports a moving cone assembly 6, a moving cone bushing 7 is arranged on the moving cone assembly 6, and the moving cone bushing 7 is matched with the eccentric assembly 3.
As shown in fig. 3, the eccentric assembly of the multi-cylinder hydraulic cone crusher of the present invention comprises a copper bush 31, an eccentric sleeve 32, an eccentric sleeve bush 33, a counterweight 34, a sealing washer 35, a counterweight cover 36, an I-shaped sealing ring 37, a bevel gear 38, and a thrust bearing 39, wherein the copper bush 31 is arranged in the eccentric sleeve 32, the eccentric sleeve bush 33 is arranged on the outer ring of the eccentric sleeve 32, and both the copper bush 31 and the eccentric sleeve bush 33 are fixed by interference fit; the bottom of the eccentric sleeve 32 is provided with a thrust bearing 39 and a bevel gear 38; a counterweight 34 is fixedly connected to the outer ring of the eccentric sleeve 32 through a bolt, a counterweight cover 36 is arranged above the counterweight 34, and a sealing gasket 35 is arranged between the counterweight and the counterweight cover; an I-ring seal 37 is mounted in a groove in the top of the weight housing 36. The copper bush 31 in the eccentric assembly 3 is in clearance fit with the main shaft 2, the eccentric bush 33 is in clearance fit with the movable cone bush 7 of the movable cone assembly 6, the rotation of the movable cone assembly 6 and the eccentric assembly 3 is guaranteed, and the I-shaped sealing ring 37 in the eccentric assembly 3 is in clearance fit with the movable cone of the movable cone assembly 6 to prevent dust from entering the crusher.
As shown in fig. 4 and 5, the top of the counterweight 34 is a plane, which is not the inclined plane design of the conventional counterweight, the outer ring 343 of the counterweight is a cylindrical surface, and the counterweight has a lead filling groove 341 within 180 degrees; the axis of the cylindrical surface of the inner ring 342 of the lead pouring groove coincides with the axis of the cylindrical surface of the outer ring 343 of the counterweight, the middle part of the counterweight 34 is provided with a fixing plate 344, and the fixing plate 344 is fixed on the outer ring of the eccentric sleeve 32 through bolt connection.
As shown in fig. 6 and 7, the weight housing 36 is composed of a sleeve 361, a ring plate 362 and a supporting plate 363, wherein the top of the sleeve 361 is an inclined surface, the inclined angle of the inclined surface is equal to the eccentric angle of the eccentric sleeve, and the ring plate 362 is arranged at the top of the sleeve 361; the top of the ring plate 362 is provided with a groove for mounting an I-shaped sealing ring 37; a supporting plate 363 is arranged inside the sleeve 361; the supporting plate 363 covers the top of the counterweight 34, and a sealing gasket 35 is arranged between the supporting plate 363 and the top of the counterweight 34. The I-shaped sealing ring 37 arranged at the top of the ring plate 362 can play a dustproof role between the counterweight cover 36 and the movable cone of the movable cone assembly 6, and a small gap is formed between the supporting plate 363 in the counterweight cover 36 and the lower part of the movable cone assembly 6, so that a further dustproof role can be played. The top inclined plane which is difficult to machine in the traditional balance weight and needs to be matched with the movable cone assembly 6 is eliminated, the top inclined plane is changed into a top inclined plane which is arranged on the balance weight cover 36, and a dustproof structure is arranged on the balance weight cover 36.
As shown in fig. 8 and 9, the eccentric sleeve 32 is provided with a balancing hole 321 on the side with larger wall thickness to reduce the eccentric force generated during rotation; an eccentric sleeve bushing 33 is arranged outside the eccentric sleeve 32, so that the abrasion and the replacement of the eccentric sleeve are reduced.
The counterweight in the eccentric assembly 3 is simple and regular in structure, a split design is adopted, the outer ring 343 of the counterweight is a cylindrical surface, and the counterweight is provided with a lead pouring groove 341 within 180 degrees; the axis of the cylindrical surface of the inner ring 342 of the lead pouring groove is superposed with the axis of the cylindrical surface of the outer ring 343 of the counterweight, the top of a sleeve 361 of the counterweight cover 36 is an inclined surface, the inclined angle of the inclined surface is equal to the eccentric angle of the eccentric sleeve, and the top of the sleeve 361 is provided with a ring plate 362; the top of the ring plate 362 is provided with a groove for mounting an I-shaped sealing ring 37; a supporting plate 363 is arranged inside the sleeve 361; the manufacturing difficulty and cost of the balance weight are reduced, the accuracy of the gravity center of the balance weight is improved, the gravity center of a moving part of the crusher is positioned on the rotating axis of the moving part, noise generated during operation of the crusher and vibration caused by unbalance loading can be reduced, and the service life of the crusher is effectively prolonged.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides an eccentric assembly of multi-cylinder hydraulic cone crusher, includes copper bush, eccentric cover bush, counter weight, seal ring, counter weight cover, bevel gear, footstep bearing, characterized by: a copper bush is arranged in the eccentric sleeve, an eccentric sleeve bush is arranged on the outer ring of the eccentric sleeve, and the copper bush and the eccentric sleeve bush are fixed in an interference fit manner; the bottom of the eccentric sleeve is provided with a thrust bearing and a bevel gear; the balance weight is fixed on the outer ring of the eccentric sleeve through bolt connection, a balance weight cover is arranged above the balance weight, and a sealing gasket is arranged between the balance weight and the balance weight cover.
2. The eccentric assembly of multi-cylinder hydraulic cone crusher of claim 1, wherein: the top of the counterweight is a plane, the outer ring of the counterweight is a cylindrical surface, and the counterweight is provided with a lead pouring groove within 180 degrees; the axis of the cylindrical surface of the inner ring of the lead pouring groove is superposed with the axis of the cylindrical surface of the outer ring of the counterweight, the middle part of the counterweight is provided with a fixed plate, and the fixed plate is connected and fixed on the outer ring of the eccentric sleeve through a bolt.
3. The eccentric assembly of multi-cylinder hydraulic cone crusher of claim 2, wherein: the counterweight cover consists of a sleeve, a ring plate and a supporting plate, the top of the sleeve is an inclined plane, the inclination angle of the inclined plane is equal to the eccentric angle of the eccentric sleeve, and the ring plate is arranged at the top of the sleeve; the top of the ring plate is provided with a groove for mounting an I-shaped sealing ring; a supporting plate is arranged inside the sleeve; the supporting plate covers the top of the balance weight, and a sealing gasket is arranged between the supporting plate and the top of the balance weight.
4. The eccentric assembly of multi-cylinder hydraulic cone crusher of claim 1, wherein: the eccentric sleeve is provided with a balance hole dug at one side with larger wall thickness.
5. The eccentric assembly of multi-cylinder hydraulic cone crusher of claim 1, wherein: the outer ring of the eccentric assembly is provided with a wear-resistant guard plate, a copper bushing in the eccentric assembly is in clearance fit with the main shaft, and an eccentric sleeve bushing is in clearance fit with a movable cone bushing of the movable cone assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021515368.9U CN212595911U (en) | 2020-07-28 | 2020-07-28 | Eccentric assembly of multi-cylinder hydraulic cone crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021515368.9U CN212595911U (en) | 2020-07-28 | 2020-07-28 | Eccentric assembly of multi-cylinder hydraulic cone crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212595911U true CN212595911U (en) | 2021-02-26 |
Family
ID=74730017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021515368.9U Withdrawn - After Issue CN212595911U (en) | 2020-07-28 | 2020-07-28 | Eccentric assembly of multi-cylinder hydraulic cone crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212595911U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774132A (en) * | 2020-07-28 | 2020-10-16 | 南昌矿山机械有限公司 | Eccentric assembly of multi-cylinder hydraulic cone crusher |
| CN115487895A (en) * | 2022-08-17 | 2022-12-20 | 浙江工业大学 | Multi-cylinder hydraulic cone crusher with adjustable smash material |
-
2020
- 2020-07-28 CN CN202021515368.9U patent/CN212595911U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774132A (en) * | 2020-07-28 | 2020-10-16 | 南昌矿山机械有限公司 | Eccentric assembly of multi-cylinder hydraulic cone crusher |
| CN111774132B (en) * | 2020-07-28 | 2023-05-16 | 南昌矿机集团股份有限公司 | Eccentric assembly of multi-cylinder hydraulic cone crusher |
| CN115487895A (en) * | 2022-08-17 | 2022-12-20 | 浙江工业大学 | Multi-cylinder hydraulic cone crusher with adjustable smash material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 330004 No. 300, Hongwan Avenue, Wanli District, Nanchang City, Jiangxi Province Patentee after: Nanchang Mining Machinery Group Co.,Ltd. Address before: 330004 No. 300, Hongwan Avenue, Wanli District, Nanchang City, Jiangxi Province Patentee before: NANCHANG MINERAL SYSTEMS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210226 Effective date of abandoning: 20230516 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210226 Effective date of abandoning: 20230516 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |