CN211334929U - Gear shaft sleeve for connecting gear shaft - Google Patents
Gear shaft sleeve for connecting gear shaft Download PDFInfo
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- CN211334929U CN211334929U CN201922223688.0U CN201922223688U CN211334929U CN 211334929 U CN211334929 U CN 211334929U CN 201922223688 U CN201922223688 U CN 201922223688U CN 211334929 U CN211334929 U CN 211334929U
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Abstract
The utility model discloses a tooth axle sleeve for connecting gear shaft, including the axle sleeve body, the tooth's socket has been seted up to the surface of axle sleeve body, the keyway has been seted up to the inner wall of axle sleeve body, the axle sleeve body includes the basic unit, heat insulating layer in the inner wall fixedly connected with of basic unit, wear-resisting layer in one side fixedly connected with of basic unit is kept away from to interior heat insulating layer, the outer heat insulating layer of surface fixedly connected with of basic unit, the outer wear-resisting layer of one side fixedly connected with of basic unit is kept away from to outer heat insulating layer. The utility model discloses a basic unit, interior heat insulating layer, interior wearing layer, outer insulating layer and outer wearing layer cooperate, possess the wearability good, thermal-insulated long service life's advantage, solved current pinion sleeve simple structure, the pinion sleeve wearability is relatively poor, can receive the wearing and tearing of height at the high-speed transmission in-process, and calorific capacity is big, seriously influences its self life under friction and high temperature, has increased use cost's problem.
Description
Technical Field
The utility model relates to a gear shaft cover technical field specifically is a gear shaft cover for connecting gear shaft.
Background
The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of a sliding bearing, generally, the shaft sleeve is in interference fit with a bearing seat and is in clearance fit with the shaft, the shaft sleeve refers to a sleeve on a propeller shaft or a stern shaft, the bearing is a part for fixing and reducing load friction coefficient in the mechanical transmission process, the shaft sleeve and the bearing are the same in that the shaft sleeve and the bearing bear the load of the shaft, and the difference between the shaft sleeve and the bearing is that the shaft sleeve is of an integral structure and moves relatively between the shaft and the shaft sleeve when rotating; the bearing is split, the inner ring and the outer ring of the bearing move relatively when rotating, but in essence, the shaft sleeve is just one of the sliding bearings,
the existing gear shaft sleeve is simple in structure, poor in wear resistance, capable of being highly abraded in the high-speed transmission process, large in heat productivity, seriously influenced in service life under friction and high temperature, and increased in use cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tooth axle sleeve for connecting gear shaft possesses that the wearability is good, and thermal-insulated long service life's advantage has solved current tooth axle sleeve simple structure, and tooth axle sleeve wearability is relatively poor, can receive high wearing and tearing at high-speed transmission in-process, and calorific capacity is big, seriously influences its self life under friction and high temperature, has increased use cost's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the gear shaft sleeve for connecting the gear shaft comprises a shaft sleeve body, wherein a tooth groove is formed in the outer surface of the shaft sleeve body, a key groove is formed in the inner wall of the shaft sleeve body, the shaft sleeve body comprises a base layer, an inner heat insulation layer is fixedly connected to the inner wall of the base layer, an inner wear-resistant layer is fixedly connected to one side, away from the base layer, of the inner heat insulation layer, an outer heat insulation layer is fixedly connected to the outer surface of the base layer, and an outer wear-resistant layer is fixedly connected to one side, away from the base layer, of the.
Preferably, the number of the tooth grooves is a plurality, and the tooth grooves are annularly formed in the outer surface of the shaft sleeve body.
Preferably, the shape of the key groove is rectangular, and the length of the key groove is one third of the length of the shaft sleeve body.
Preferably, the base layer is made of alloy steel, the inner heat insulation layer and the outer heat insulation layer are made of heat-resistant steel, and the inner wear-resistant layer and the outer wear-resistant layer are made of chromium plating.
Preferably, the thickness of the inner heat insulation layer and the outer heat insulation layer is 2mm, and the thickness of the inner wear-resistant layer and the outer wear-resistant layer is 0.2 mm.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a basic unit, interior heat insulating layer, interior wearing layer, outer insulating layer and outer wearing layer cooperate, possess the wearability good, thermal-insulated long service life's advantage, solved current pinion sleeve simple structure, the pinion sleeve wearability is relatively poor, can receive the wearing and tearing of height at the high-speed transmission in-process, and calorific capacity is big, seriously influences its self life under friction and high temperature, has increased use cost's problem.
2. The utility model discloses a basic unit adopts alloy steel, deironing in the alloy steel, outside the carbon, add other alloy elements, add the iron-carbon alloy that right amount one or more alloy elements and constitute on ordinary carbon steel basis, according to the difference of adding the element, and take appropriate processing technology, can obtain special properties such as high strength, high tenacity, wear-resisting, corrosion-resistant, low temperature resistant, high temperature resistant, nonmagnetic, adopt chromium plating through interior wearing layer and outer wearing layer, chromium-plated layer has very high hardness, chromium-plated has better heat resistance, heat below the ℃ and, its glossiness, hardness all do not have obvious change, chromium-plated friction coefficient is little, especially dry friction coefficient, it is the lowest among all metals, so chromium-plated has fine wearability, adopt heat-resistant steel through interior heat-insulating layer and outer heat-insulating layer, the heat-resistant steel that has higher intensity and good chemical stability under high temperature, it is commonly used for manufacturing parts working at high temperature in industrial sectors such as boilers, steam turbines, power machinery, industrial furnaces and aviation, petrochemical and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
fig. 3 is a right side view of the structure of the present invention.
In the figure: the heat insulation and wear-resistant composite shaft sleeve comprises a shaft sleeve body 1, a tooth groove 2, a key groove 3, a base layer 4, an inner heat insulation layer 5, an inner wear-resistant layer 6, an outer heat insulation layer 7 and an outer wear-resistant layer 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses an axle sleeve body 1, tooth's socket 2, keyway 3, basic unit 4, interior insulating layer 5, interior wearing layer 6, outer insulating layer 7 and outer wearing layer 8 part are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.
Referring to fig. 1-3, a gear shaft sleeve for connecting a gear shaft comprises a shaft sleeve body 1, a gear groove 2 is formed on the outer surface of the shaft sleeve body 1, a key groove 3 is formed on the inner wall of the shaft sleeve body 1, the shaft sleeve body 1 comprises a base layer 4, an inner heat insulation layer 5 is fixedly connected to the inner wall of the base layer 4, an inner wear-resistant layer 6 is fixedly connected to one side, away from the base layer 4, of the inner heat insulation layer 5, an outer heat insulation layer 7 is fixedly connected to the outer surface of the base layer 4, an outer wear-resistant layer 8 is fixedly connected to one side, away from the base layer 4, of the outer heat insulation layer 7, the number of the gear grooves 2 is a plurality of, the gear grooves 2 are annularly arranged on the outer surface of the shaft sleeve body 1, the shape of the key groove 3 is rectangular, the length of the shaft sleeve body 1 is one third of the length of the key groove 3, the base, the thickness of the inner heat-insulating layer 5 and the outer heat-insulating layer 7 is 2mm, the thickness of the inner wear-resistant layer 6 and the outer wear-resistant layer 8 is 0.2mm, the base layer 4 is made of alloy steel, the alloy steel is internally provided with iron and carbon, other alloy elements are added, and a proper amount of one or more alloy elements are added on the basis of common carbon steel, according to the difference of the added elements and by adopting a proper processing technology, the special performances such as high strength, high toughness, wear resistance, corrosion resistance, low temperature resistance, high temperature resistance, non-magnetism and the like can be obtained, the chromium plating is adopted by the inner wear-resistant layer 6 and the outer wear-resistant layer 8, the chromium plating layer has high hardness, the chromium plating has better heat resistance, the gloss and the hardness of the chromium plating are not obviously changed when the chromium plating is heated below 500 ℃, the friction coefficient of the chromium plating is small, particularly the dry friction coefficient is the lowest in all metals, so the chromium plating has good wear resistance, the inner heat insulation layer 5 and the outer heat insulation layer 7 are made of heat-resistant steel, the heat-resistant steel with high strength and good chemical stability at high temperature is often used for manufacturing parts working at high temperature in industrial departments such as boilers, steam turbines, power machinery, industrial furnaces, aviation, petrochemical engineering and the like, the base layer 4, the inner heat insulation layer 5, the inner wear-resistant layer 6, the outer heat insulation layer 7 and the outer wear-resistant layer 8 are matched, and the gear shaft sleeve has the advantages of good wear resistance and long heat insulation service life.
When in use, the base layer 4 adopts alloy steel, the alloy steel is internally provided with iron and carbon, other alloy elements are added, a proper amount of one or more alloy elements are added on the basis of common carbon steel to form iron-carbon alloy, according to the difference of the added elements, and a proper processing technology is adopted, so that the special properties of high strength, high toughness, wear resistance, corrosion resistance, low temperature resistance, high temperature resistance, no magnetism and the like can be obtained, the chromium plating is adopted by the inner wear-resistant layer 6 and the outer wear-resistant layer 8, the chromium plating layer has high hardness, the chromium plating has better heat resistance, the heating at the temperature of below 500 ℃ has no obvious change on the glossiness and the hardness, the chromium plating has small friction coefficient, particularly the dry friction coefficient, is the lowest in all metals, so the chromium plating has good wear resistance, the heat-resistant steel is adopted by the inner heat-resistant layer 5 and the outer heat-resistant layer 7, and the heat-resistant steel has higher strength and good chemical stability at high temperature, it is commonly used for manufacturing parts working at high temperature in industrial sectors such as boilers, steam turbines, power machinery, industrial furnaces and aviation, petrochemical and the like.
In summary, the following steps: this a tooth axle sleeve for connecting gear shaft cooperates through basic unit 4, interior insulating layer 5, interior wearing layer 6, outer insulating layer 7 and outer wearing layer 8, has solved current tooth axle sleeve simple structure, and tooth axle sleeve wearability is relatively poor, can receive high wearing and tearing at high-speed transmission in-process, and calorific capacity is big, seriously influences its self life under friction and high temperature, has increased use cost's problem.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a tooth axle sleeve for connecting gear shaft, includes axle sleeve body (1), its characterized in that: the outer wear-resistant shaft sleeve comprises a shaft sleeve body (1), and is characterized in that a tooth groove (2) is formed in the outer surface of the shaft sleeve body (1), a key groove (3) is formed in the inner wall of the shaft sleeve body (1), the shaft sleeve body (1) comprises a base layer (4), an inner heat insulation layer (5) is fixedly connected to the inner wall of the base layer (4), an inner wear-resistant layer (6) is fixedly connected to one side, away from the base layer (4), of the inner heat insulation layer (5), an outer heat insulation layer (7) is fixedly connected to the outer surface of the base layer (4), and an outer wear-resistant layer (8) is.
2. A tooth bushing for connecting a gear shaft according to claim 1, wherein: the number of tooth grooves (2) is a plurality of, tooth grooves (2) are annularly arranged on the outer surface of the shaft sleeve body (1).
3. A tooth bushing for connecting a gear shaft according to claim 1, wherein: the shape of keyway (3) is the rectangle, the length of keyway (3) is one third of axle sleeve body (1) length.
4. A tooth bushing for connecting a gear shaft according to claim 1, wherein: the base layer (4) is made of alloy steel, the inner heat insulation layer (5) and the outer heat insulation layer (7) are made of heat-resistant steel, and the inner wear-resistant layer (6) and the outer wear-resistant layer (8) are made of chrome plating.
5. A tooth bushing for connecting a gear shaft according to claim 1, wherein: the thicknesses of the inner heat insulation layer (5) and the outer heat insulation layer (7) are 2mm, and the thicknesses of the inner wear-resistant layer (6) and the outer wear-resistant layer (8) are 0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223688.0U CN211334929U (en) | 2019-12-12 | 2019-12-12 | Gear shaft sleeve for connecting gear shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223688.0U CN211334929U (en) | 2019-12-12 | 2019-12-12 | Gear shaft sleeve for connecting gear shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211334929U true CN211334929U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922223688.0U Active CN211334929U (en) | 2019-12-12 | 2019-12-12 | Gear shaft sleeve for connecting gear shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211334929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635922A (en) * | 2022-02-17 | 2022-06-17 | 南通特思敏精密科技有限公司 | High temperature resistant high accuracy copper axle sleeve shell |
-
2019
- 2019-12-12 CN CN201922223688.0U patent/CN211334929U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635922A (en) * | 2022-02-17 | 2022-06-17 | 南通特思敏精密科技有限公司 | High temperature resistant high accuracy copper axle sleeve shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220111 Address after: 215300 plant 7, No. 100, Luyang Fuqiang Road, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Suzhou honghuida Precision Machinery Technology Co.,Ltd. Address before: No.23 factory building, No.528, shipulidu Road, Qiandeng Town, Kunshan City, Suzhou City, Jiangsu Province, 215312 Patentee before: Kunshan Junning Precision Machinery Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230306 Address after: 215334 No. 1240-8, Bailu South Road, Kunshan Development Zone, Suzhou, Jiangsu Patentee after: Suzhou shengbaorui Industrial Automation Co.,Ltd. Address before: 215300 plant 7, No. 100, Luyang Fuqiang Road, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Suzhou honghuida Precision Machinery Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |