CN214998882U - High-rotating-speed wear-resistant steel bushing - Google Patents
High-rotating-speed wear-resistant steel bushing Download PDFInfo
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- CN214998882U CN214998882U CN202121134038.XU CN202121134038U CN214998882U CN 214998882 U CN214998882 U CN 214998882U CN 202121134038 U CN202121134038 U CN 202121134038U CN 214998882 U CN214998882 U CN 214998882U
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- bushing
- bush
- ball
- transmission shaft
- lubricating oil
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Abstract
The utility model discloses a wear-resisting steel bushing of high rotational speed, including transmission shaft, outer liner, neck bush and rolling mechanism, link to each other through the rolling mechanism activity between outer liner and the neck bush, rolling mechanism is including clearance chamber, spherical groove, connecting piece and ball, form the clearance chamber between outer liner and the neck bush, the spherical groove of evenly arranging is seted up to clearance intracavity lateral wall, spherical groove inside wall swing joint has the ball, link to each other through the connecting piece between the ball. The utility model discloses an interior bush passes through the ball and produces relative displacement with the outer bush, indirectly reduces the friction between interior bush and the transmission shaft, through the lubricating oil duct that the spiral extends for lubricating oil distributes more evenly, and the more effectual friction that reduces between interior bush and the transmission shaft, thereby improves the rotational speed and reduces the wearing and tearing of interior bush and outer bush, increases the life of interior bush and outer bush.
Description
Technical Field
The utility model relates to a machine parts technical field, in particular to wear-resisting steel bushing of high rotational speed.
Background
The lining is a matching part used outside mechanical parts to achieve the functions of sealing, wear protection and the like, and is a ring sleeve playing the role of a gasket. In the field of valve applications, the liner is located within the valve cover, and is typically made of a corrosion resistant material such as polytetrafluoroethylene or graphite for sealing. The bushing is relatively flexible to use and can perform a number of functions, in general terms it is a type of component that protects the equipment. The use of the bushing can reduce the abrasion, vibration and noise of the equipment and has the effect of corrosion prevention. The use of the bushing also facilitates maintenance of the mechanical equipment, simplifying the structure and manufacturing process of the equipment.
The patent number CN202040211U discloses a wear-resistant bushing, which comprises a wear-resistant bushing body, wherein the wear-resistant bushing body is a circular cylinder structure, the bottom of the wear-resistant bushing body is provided with an outward flange, and the flange is provided with a positioning protrusion; the outer side wall of the top of the wear-resistant bushing body is symmetrically provided with two buckles, and the circumference of the inner side wall of the top of the wear-resistant bushing body is provided with 8 grooves; the grooves are evenly distributed along the circumference of the inner side wall at equal intervals. The utility model discloses a wear-resisting groove increases the trapped fuel recess between wear-resisting bush and release shaft, can increase lubricating oil content, prolongs the lubricated time of lubricating oil, and fine solution abnormal sound problem and separation and reunion footboard power increase problem, simultaneously, the utility model relates to a wear-resisting groove simple structure, processing is convenient, does not influence manufacturing cost.
The existing wear-resistant bushing has the following disadvantages: 1. the friction between the bush and the transmission shaft cannot be effectively reduced, so that the bush is greatly abraded in the using process.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a wear-resisting steel bushing of high rotational speed can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a wear-resisting steel bushing of high rotational speed, includes transmission shaft, outer liner, interior bush and rolling mechanism, link to each other through rolling mechanism activity between outer liner and the interior bush, rolling mechanism is including clearance chamber, spherical groove, connecting piece and ball, form the clearance chamber between outer liner and the interior bush, the spherical groove of evenly arranging is seted up to clearance chamber inside wall, spherical groove inside wall swing joint has the ball, link to each other through the connecting piece between the ball.
Furthermore, the inner side wall of the outer bushing is provided with a sliding layer a, and the outer side wall of the inner bushing is provided with a sliding layer b; when the transmission shaft rotates, the inner bushing and the outer bushing generate relative displacement through the balls, friction between the inner bushing and the transmission shaft is indirectly reduced, so that the rotating speed is improved, abrasion of the inner bushing and the outer bushing is reduced, the sliding layer a and the sliding layer b are in contact with the balls, and friction between the inner bushing and the outer bushing is reduced by means of the extremely low friction coefficient of the sliding layer a and the sliding layer b.
Furthermore, a plurality of lubricating oil channels are formed in the inner side wall of the inner bushing, and the lubricating oil channels extend on the inner side wall of the inner bushing in a spiral manner; the lubricating oil channel that accessible spiral extends for lubricating oil distributes more evenly, and the more effective friction that reduces between interior bush and the transmission shaft.
Further, the inner bushing is in clearance fit with the transmission shaft; the clearance functions to store lubricating oil, compensate for various errors, and the like.
Further, the sliding layer a and the sliding layer b are both made of polytetrafluoroethylene materials, and the outer bushing and the inner bushing are both made of composite steel materials; the polytetrafluoroethylene has the characteristic of high temperature resistance, and meanwhile, the friction coefficient of the polytetrafluoroethylene is extremely low, so that the friction between the outer bushing and the inner bushing can be effectively reduced, and the composite steel has high strength and strong corrosion resistance, so that the outer bushing and the inner bushing are more durable.
Compared with the prior art, the utility model discloses following beneficial effect has: 1. the sliding layer a and the sliding layer b made of polytetrafluoroethylene have the characteristic of high temperature resistance, and meanwhile, the friction coefficient of the sliding layer a and the sliding layer b is extremely low, so that the friction between the outer bushing and the inner bushing can be effectively reduced, and the outer bushing and the inner bushing made of composite steel have high strength and strong corrosion resistance, so that the outer bushing and the inner bushing are more durable; clearance fit between inside bush and the transmission shaft, lubricating oil channel through the spiral extension, make lubricating oil distribute more evenly, the more effectual friction that reduces between inside bush and the transmission shaft, during the rotation, the inside bush passes through the ball and produces relative displacement with the outer liner, indirectly reduce the friction between inside bush and the transmission shaft, sliding layer a and sliding layer b and ball contact, rely on the friction coefficient of self minimum to reduce the friction between inside bush and the outer liner, thereby improve the rotational speed and reduce the wearing and tearing of inside bush and outer liner, increase the life of inside bush and outer liner.
Drawings
Fig. 1 is the structural schematic diagram of the whole cross-sectional view of the high-speed wear-resistant steel bushing of the utility model.
Fig. 2 is a partially enlarged structural schematic diagram of a in fig. 1 of the high-rotation-speed wear-resistant steel bushing of the present invention.
Fig. 3 is a schematic diagram of a top view of the high-speed wear-resistant steel bushing of the present invention.
In the figure: 1. an outer liner; 2. an inner liner; 3. a drive shaft; 4. a rolling mechanism; 41. a clearance cavity; 42. a spherical groove; 43. a connecting member; 44. a ball bearing; 5. a sliding layer a; 6. a sliding layer b; 7. and a lubricating oil channel.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1 to 3, the high-rotation-speed wear-resistant steel bushing comprises a transmission shaft 3, an outer bushing 1, an inner bushing 2 and a rolling mechanism 4, wherein the outer bushing 1 and the inner bushing 2 are movably connected through the rolling mechanism 4, the rolling mechanism 4 comprises a gap cavity 41, spherical grooves 42, connecting pieces 43 and balls 44, the gap cavity 41 is formed between the outer bushing 1 and the inner bushing 2, the spherical grooves 42 are uniformly distributed on the inner side wall of the gap cavity 41, the balls 44 are movably connected on the inner side wall of the spherical grooves 42, and the balls 44 are connected through the connecting pieces 43.
The inner side wall of the outer bushing 1 is provided with a sliding layer a5, and the outer side wall of the inner bushing 2 is provided with a sliding layer b 6; when the inner bushing 2 rotates, the balls 44 and the outer bushing 1 generate relative displacement, friction between the inner bushing 2 and the transmission shaft 3 is indirectly reduced, so that the rotating speed is improved, abrasion of the inner bushing 2 and the outer bushing 1 is reduced, the sliding layer a5 and the sliding layer b6 are in contact with the balls 44, and friction between the inner bushing 2 and the outer bushing 1 is reduced by virtue of an extremely low friction coefficient.
A plurality of lubricating oil channels 7 are formed in the inner side wall of the inner bushing 2, and the lubricating oil channels 7 extend spirally on the inner side wall of the inner bushing 2; the lubricating oil can be distributed more uniformly through the lubricating oil channel 7 which extends in a spiral shape, and the friction between the inner bushing 2 and the transmission shaft 3 is reduced more effectively.
Wherein the inner bushing 2 is in clearance fit with the transmission shaft 3; the clearance functions to store lubricating oil, compensate for various errors, and the like.
Wherein the sliding layer a5 and the sliding layer b6 are both made of polytetrafluoroethylene materials, and the outer bushing 1 and the inner bushing 2 are both made of composite steel materials; the polytetrafluoroethylene has the characteristic of high temperature resistance, and meanwhile, the friction coefficient of the polytetrafluoroethylene is extremely low, so that the friction between the outer bushing 1 and the inner bushing 2 can be effectively reduced, and the composite steel has high strength and strong corrosion resistance, so that the outer bushing 1 and the inner bushing 2 are more durable.
It should be noted that, the utility model relates to a wear-resisting steel bush of high rotational speed, in operation, clearance fit between neck bush 2 and the transmission shaft 3, lubricating oil duct 7 through the spiral extension, make lubricating oil distribute more evenly, more effectual friction between neck bush 2 and the transmission shaft 3 that reduces, when rotating, neck bush 2 produces relative displacement through ball 44 and outer bush 1, indirectly reduce the friction between neck bush 2 and the transmission shaft 3, thereby improve the rotational speed and reduce the wearing and tearing of neck bush 2 and outer bush 1, sliding layer a5 and sliding layer b6 contact with ball 44, rely on the friction coefficient of friction that self is extremely low to reduce between neck bush 2 and the outer bush 1.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a wear-resisting steel bushing of high rotational speed, includes transmission shaft (3), outer liner (1), interior bush (2) and rolling mechanism (4), its characterized in that, link to each other through rolling mechanism (4) activity between outer liner (1) and interior bush (2), rolling mechanism (4) are including clearance chamber (41), spherical groove (42), connecting piece (43) and ball (44), form clearance chamber (41) between outer liner (1) and interior bush (2), spherical groove (42) of evenly arranging are seted up to clearance chamber (41) inside wall, spherical groove (42) inside wall swing joint has ball (44), link to each other through connecting piece (43) between ball (44).
2. A high speed wear resistant steel bushing according to claim 1 wherein: the inner side wall of the outer bushing (1) is provided with a sliding layer a (5), and the outer side wall of the inner bushing (2) is provided with a sliding layer b (6).
3. A high speed wear resistant steel bushing according to claim 1 wherein: lubricating oil channels (7) are formed in the inner side wall of the inner bushing (2), the number of the lubricating oil channels (7) is multiple, and the lubricating oil channels (7) extend on the inner side wall of the inner bushing (2) in a spiral mode.
4. A high speed wear resistant steel bushing according to claim 1 wherein: the inner bushing (2) is in clearance fit with the transmission shaft (3).
5. A high speed wear resistant steel bushing according to claim 2 wherein: the sliding layer a (5) and the sliding layer b (6) are both made of polytetrafluoroethylene materials, and the outer bushing (1) and the inner bushing (2) are both made of composite steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121134038.XU CN214998882U (en) | 2021-05-25 | 2021-05-25 | High-rotating-speed wear-resistant steel bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121134038.XU CN214998882U (en) | 2021-05-25 | 2021-05-25 | High-rotating-speed wear-resistant steel bushing |
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| Publication Number | Publication Date |
|---|---|
| CN214998882U true CN214998882U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121134038.XU Active CN214998882U (en) | 2021-05-25 | 2021-05-25 | High-rotating-speed wear-resistant steel bushing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163666A (en) * | 2022-05-09 | 2022-10-11 | 中国船舶重工集团公司第七一九研究所 | Stern bearing for ship propulsion shafting, ship propulsion system and ship |
-
2021
- 2021-05-25 CN CN202121134038.XU patent/CN214998882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163666A (en) * | 2022-05-09 | 2022-10-11 | 中国船舶重工集团公司第七一九研究所 | Stern bearing for ship propulsion shafting, ship propulsion system and ship |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 324022 Building 1, No. 16, Jinqiu South Road, Quzhou City, Zhejiang Province Patentee after: Zhejiang Zhongcheng sliding bearing technology Co.,Ltd. Address before: 324000 Room 201, No. 1 plant, Qujiang District small and Micro Enterprise Park (b), No. 28, Juhai Second Road, Qujiang District, Quzhou City, Zhejiang Province Patentee before: Zhejiang Zhongcheng sliding bearing technology Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |