CN216131258U - Long-life single-cylinder hydraulic cone crusher composed of permeable layer shaft sleeve - Google Patents
Long-life single-cylinder hydraulic cone crusher composed of permeable layer shaft sleeve Download PDFInfo
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- CN216131258U CN216131258U CN202120503775.6U CN202120503775U CN216131258U CN 216131258 U CN216131258 U CN 216131258U CN 202120503775 U CN202120503775 U CN 202120503775U CN 216131258 U CN216131258 U CN 216131258U
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Abstract
The utility model relates to a long-life single-cylinder hydraulic cone crusher consisting of a permeable layer shaft sleeve, which has high wear resistance, low cost and long service life, wherein the main shaft sleeve is made of ZG60Si2Mn spring steel, the main shaft sleeve is matched with a top bearing, the main shaft sleeve of the matching part is subjected to permeation by high-frequency quenching to form a permeable layer, the inner wall of the main shaft sleeve is in interference fit with a main shaft, and the permeable layer in the main shaft sleeve is matched with the top bearing. The advantages are that: firstly, the wear resistance is good, the service life is long, the production cost is reduced, and unexpected technical effects are brought.
Description
Technical Field
The utility model relates to a long-life single-cylinder hydraulic cone crusher consisting of a permeable layer shaft sleeve, which has high wear resistance, low cost and long service life, and belongs to the field of cone crusher manufacturing.
Background
At present, single-cylinder hydraulic cone crushers sold in the market are mature products, and bearing steel is adopted in a shaft sleeve on the upper portion of a main shaft of the single-cylinder hydraulic cone crusher in structural design. The method has the following defects: firstly, because the bearing steel shaft sleeve and the top bearing of the main shaft of the single-cylinder hydraulic cone crusher are made of the same material, when the main shaft rotates to crush stones, the bearing steel shaft sleeve sleeved on the upper part of the main shaft forms relative friction between acting force and reacting force, so that the wear rate of the bearing steel shaft sleeve and the top bearing is very large, and the service life of the bearing steel shaft sleeve and the top bearing is often less than 6 months; secondly, because of the high manufacturing difficulty and high cost of the bearing steel shaft sleeve, the weight of one bearing steel shaft sleeve is 132.2Kg, and the manufacturing cost is nearly 4000 yuan RMB.
Disclosure of Invention
The design purpose is as follows: the defects in the background technology are avoided, and the long-life single-cylinder hydraulic cone crusher consisting of the permeable layer shaft sleeve is designed, and has high wear resistance, low cost and long service life.
The design scheme is as follows: in order to achieve the above design objectives. On the basis of the background technology, the utility model adopts ZG60Si2Mn spring steel to manufacture the main shaft sleeve, and adopts the design that the upper part of the shaft sleeve (the part matched with a top bearing) is subjected to high-frequency quenching for penetration and the depth of a penetration layer is 2-3mm, which is the main technical characteristic of the utility model. The purpose of this design is: the hardness of the 60Si2Mn spring steel is about 34HRC before high-frequency infiltration, and after the high-frequency quenching infiltration treatment, the hardness of the spring steel is increased from about 34HRC to 55-60 HRC, and the spring steel has better toughness and is far greater than the hardness of a top bearing. Therefore, when the top bearing and the permeable layer main shaft sleeve generate impact friction, the top bearing cannot abrade the permeable layer main shaft sleeve, so that the service life of the permeable layer main shaft sleeve is greatly prolonged, the replacement of the main shaft sleeve is avoided, and meanwhile, the interference fit with the upper end part of the main shaft is conveniently realized because the inner wall of the main shaft sleeve is soft relative to the outer wall.
The technical scheme is as follows: the utility model provides a long-life single cylinder hydraulic cone crusher by permeable formation axle sleeve constitutes, the main shaft axle sleeve adopts ZG60Si2Mn spring steel preparation, and the main shaft axle sleeve matches with the top bearing, and the main shaft axle sleeve of supporting portion adopts high frequency hardening to permeate and forms the permeable formation, main shaft axle sleeve inner wall and main shaft interference fit, permeable formation and top bearing match in the main shaft axle sleeve.
Compared with the background technology, the composite spindle sleeve has the advantages of high wear resistance, low cost and long service life, and brings unexpected technical effects and economic benefits as follows:
drawings
Fig. 1 is a schematic structural diagram of a single-cylinder hydraulic cone crusher formed by a composite main shaft sleeve.
FIG. 2 is a schematic sectional view of the composite spindle sleeve of the single-cylinder hydraulic cone crusher.
Detailed Description
Example 1: reference is made to figures 1 and 2. The utility model provides a long-life single cylinder hydraulic cone crusher by permeable formation axle sleeve constitutes, main shaft axle sleeve 1 adopts ZG60Si2Mn spring steel preparation, and main shaft axle sleeve 1 matches with the top bearing, and the main shaft axle sleeve of supporting portion adopts high frequency hardening to permeate and forms permeable formation 2, and 1 inner wall of main shaft axle sleeve and 3 interference fit of main shaft, permeable formation 2 matches with top bearing 4 in the main shaft axle sleeve 1. The depth of the permeating layer 2 on the surface of the main shaft sleeve 1 is 2-3mm, the inner part of the main shaft sleeve 1 is soft, and the outer hardness of the permeating layer is more than HRC55 and less than HRC 65. (the inner wall of the spindle sleeve made of ZG60Si2Mn spring steel is soft relative to the outer wall), when the inner part of the spindle sleeve 1 is soft and the outer surface is hard, the soft inner wall is convenient for the upper end part of the spindle to be forcibly inserted to form reliable interference fit. The purpose that the hardness of the permeable layer on the outer surface of the spindle sleeve made of ZG60Si2Mn spring steel is greater than that of the top bearing of the single-cylinder hydraulic cone crusher is as follows: the main shaft sleeve 1 is ensured not to be abraded, when the top bearing 4 is damaged, only the top bearing needs to be replaced, and the top bearing 4 is very convenient to disassemble and assemble. The influence on production is very small, the replacement of the top shaft sleeve 1 is very difficult and careless, the main shaft is damaged, the replacement time is very long, the number of parts to be disassembled and assembled is very large, the parts are also very difficult, the production efficiency is directly influenced, and the method belongs to the field of overhaul. The hardness of the top bearing is less than that of the matching part of the spindle sleeve and the top bearing.
It is to be understood that: although the above embodiments have described the design idea of the present invention in more detail, these descriptions are only simple descriptions of the design idea of the present invention, and are not limitations of the design idea of the present invention, and any combination, addition, or modification without departing from the design idea of the present invention falls within the scope of the present invention.
Claims (4)
1. The utility model provides a long-life single cylinder hydraulic cone crusher who constitutes by permeable formation axle sleeve, characterized by: the main shaft sleeve (1) is made of ZG60Si2Mn spring steel, the main shaft sleeve (1) is matched with the top bearing, the main shaft sleeve of the matched part is permeated by high-frequency quenching to form a permeable layer (2), the inner wall of the main shaft sleeve (1) is in interference fit with the main shaft (3), and the permeable layer (2) in the main shaft sleeve (1) is matched with the top bearing (4).
2. The long life, single cylinder hydraulic cone crusher having a permeable layer sleeve as claimed in claim 1, wherein: the depth of the permeating layer (2) on the surface of the main shaft sleeve (1) is 2-3mm, the inner part of the permeating layer formed by the main shaft sleeve (1) is soft, and the external hardness of the permeating layer is greater than HRC55 and less than HRC 65.
3. The long life, single cylinder hydraulic cone crusher having a permeable layer sleeve as claimed in claim 1, wherein: the hardness of the permeable layer on the outer surface of the spindle sleeve made of ZG60Si2Mn spring steel is greater than that of the top bearing of the single-cylinder hydraulic cone crusher.
4. The long life, single cylinder hydraulic cone crusher having a permeable layer sleeve as claimed in claim 1, wherein: the inner wall of the spindle sleeve made of ZG60Si2Mn spring steel is soft relative to the outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503775.6U CN216131258U (en) | 2021-03-10 | 2021-03-10 | Long-life single-cylinder hydraulic cone crusher composed of permeable layer shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503775.6U CN216131258U (en) | 2021-03-10 | 2021-03-10 | Long-life single-cylinder hydraulic cone crusher composed of permeable layer shaft sleeve |
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| Publication Number | Publication Date |
|---|---|
| CN216131258U true CN216131258U (en) | 2022-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120503775.6U Active CN216131258U (en) | 2021-03-10 | 2021-03-10 | Long-life single-cylinder hydraulic cone crusher composed of permeable layer shaft sleeve |
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| CN (1) | CN216131258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879437A (en) * | 2021-03-10 | 2021-06-01 | 浙江双金机械集团股份有限公司 | Single-cylinder hydraulic cone crusher seepage layer main shaft sleeve and equipment |
-
2021
- 2021-03-10 CN CN202120503775.6U patent/CN216131258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879437A (en) * | 2021-03-10 | 2021-06-01 | 浙江双金机械集团股份有限公司 | Single-cylinder hydraulic cone crusher seepage layer main shaft sleeve and equipment |
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