CN207777403U - A kind of Tilting Pad Journal Bearing of adjustable clearance - Google Patents
A kind of Tilting Pad Journal Bearing of adjustable clearance Download PDFInfo
- Publication number
- CN207777403U CN207777403U CN201820083555.0U CN201820083555U CN207777403U CN 207777403 U CN207777403 U CN 207777403U CN 201820083555 U CN201820083555 U CN 201820083555U CN 207777403 U CN207777403 U CN 207777403U
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- tilting pad
- scale
- adjusting bolt
- cushion block
- shell body
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Abstract
A kind of Tilting Pad Journal Bearing of adjustable clearance,Include the bearing shell body and tilting pad of annular,Tilting pad is distributed in the inside of bearing shell body,The side wall of tilting pad is resisted against on baffle,Counterbore is formed in the middle part of tilting pad outer wall,The adjusting bolt opposite with tilting pad is bolted on bearing shell body,The bottom end of adjusting bolt forms cylindrical plug,Plug is plugged in the counterbore of tilting pad,Adjusting pad block is plugged in the counterbore of tilting pad,The both ends of the surface of adjustment cushion block are born against on the bottom surface and plug of tilting pad counterbore,Concave station is formed on the external wall of bearing shell of the adjusting bolt outer end,Grafting is fixed with scale cushion block in concave station,Scale cushion block sleeve is in adjusting bolt,The scale slot of annular spread is formed on scale cushion block,The outer end of adjusting bolt forms land,The pointer slot opposite with scale slot is formed in land.It can realize the accurate adjusting of tilting pad, improve the lubricant effect of oil film wedge between tilting pad and axle journal.
Description
Technical field：
The utility model is related to the technical fields of bearing shell, are slided more specifically to a kind of Tilting Pad of adjustable clearance
Dynamic bearing.
Background technology：
Nowadays, as the machinery such as steam turbine, turbine, centrifugal compressor, generator, exciter is at high speed, greatly
Power direction develops, and the tilting-pad bearing application of high stability is more and more extensive.
Tilting-pad bearing can make small swing using each tile fragment around force position, to adapt to suitable operating position,
Make each tile fragment that can form convergent oil film wedge, the oil film wedge that tile fragment is formed with axle journal can be in operating parameter (load, speed, profit
Oil viscosity etc.) change in the case of, adjust automatically makes the oil-film force generated on each tile fragment pass through in fulcrum and axle journal
The heart always keeps external applied load to meet at a bit, not will produce a tangential component for making neck axis whirling motion thus.When bearing working,
It is acted between tiling and journal surface by the Fluid pressure of lubricating oil film and forms carrying oil film, it makes two surfaces avoid directly connecing
It touches, there is higher stability, can completely avoid the generation of film shocks.Tilting-pad bearing is in stability, bearing capacity and work(
Consumption, temperature such as rise at the aspect of performance, are that (including three oil film wedges, four oil film wedges, elliptic bearing, cylindrical bearing) most in all journal bearings
It is advantageous.But its internal tilting pad position of existing tilting-pad bearing cannot accurately be adjusted, and realize accurate adjust
Section can then effectively improve the lubricant effect of oil film wedge between tile fragment and axle journal.
Utility model content：
The purpose of the utility model is to solve the deficiencies of the prior art, and providing a kind of radial direction of adjustable clearance can incline
Watt sliding bearing can realize the accurate adjusting of tilting pad, improve the lubricant effect of oil film wedge between tilting pad and axle journal.
A kind of Tilting Pad Journal Bearing of adjustable clearance includes the bearing shell body and tilting pad of annular, tilting pad
It is distributed in the inside of bearing shell body, bearing shell body both sides are fixed with baffle, and the side wall of tilting pad is resisted against on baffle, outside tilting pad
Counterbore is formed in the middle part of wall, and the adjusting bolt opposite with tilting pad, the bottom end molding of adjusting bolt are bolted on bearing shell body
There are cylindrical plug, plug to be plugged in the counterbore of tilting pad, adjusting pad block is plugged in the counterbore of tilting pad, adjusts
The both ends of the surface of cushion block are born against on the bottom surface and plug of tilting pad counterbore, the external wall of bearing shell of the adjusting bolt outer end
On form concave station, in concave station grafting be fixed with scale cushion block, scale cushion block sleeve is molded in adjusting bolt on scale cushion block
There are the scale slot of annular spread, the outer end of adjusting bolt to form land, the pointer slot opposite with scale slot is formed in land.
Preferably, the scale cushion block is rounded, and the center of circle of scale cushion block is distributed on the central axis of adjusting bolt,
Scale slot is uniformly distributed in a ring around the central axis of adjusting bolt.
Preferably, the bearing shell body is made of the circular ring body of two halves, and baffle is made of two semicircular baffle rings, described
The inner wall of tilting pad is arc-shaped, and the inner diameter of tilting pad is less than the diameter of baffle upper baffle ring inner wall.
Preferably, for the tilting pad at least provided with three, tilting pad is equal in a ring around the central axis of bearing shell body
Even distribution.
Preferably, in the adjusting bolt land outer wall diameter be less than scale cushion block outer wall diameter.
The beneficial effects of the utility model are：
It is simple in structure, can realize the accurate adjusting of tilting pad, improves the lubrication of oil film wedge between tilting pad and axle journal
Effect.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram on the utility model adjusting bolt head；
Fig. 3 is the revolved section schematic diagram of the utility model.
In figure：1, bearing shell body；11, concave station；2, tilting pad；3, cushion block is adjusted；4, adjusting bolt；41, plug；42, ring
Platform；421, pointer slot；5, scale cushion block；51, scale slot；6, baffle.
Specific implementation mode：
Embodiment：See shown in Fig. 1 to 3, a kind of Tilting Pad Journal Bearing of adjustable clearance, includes the bearing shell body of annular
1 and tilting pad 2, tilting pad 2 be distributed in the inside of bearing shell body 1,1 both sides of bearing shell body are fixed with baffle 6, tilting pad 2
Side wall is resisted against on baffle 6, and counterbore 21 is formed in the middle part of 2 outer wall of tilting pad, is bolted on bearing shell body 1 and tilting pad 2
The bottom end of opposite adjusting bolt 4, adjusting bolt 4 forms cylindrical plug 41, and plug 41 is plugged on the heavy of tilting pad 2
In hole 21, adjusting pad block 3 is plugged in the counterbore of tilting pad 2, the both ends of the surface of adjustment cushion block 3 are born against in tilting pad 2
On the bottom surface and plug 41 of counterbore 21, concave station 11 is formed on 1 outer wall of bearing shell body of 4 outer end of the adjusting bolt, in concave station 11
Plugged and fixed has scale cushion block 5,5 sleeve of scale cushion block to form the quarter of annular spread on scale cushion block 5 in adjusting bolt 4
Slot 51 is spent, the outer end of adjusting bolt 4 forms land 42, the pointer slot 421 opposite with scale slot 51 is formed in land 42.
Preferably, the scale cushion block 5 is rounded, and the center of circle of scale cushion block 5 is distributed in the central axis of adjusting bolt 4
On, scale slot 51 is uniformly distributed in a ring around the central axis of adjusting bolt 4.
Preferably, the bearing shell body 1 is made of the circular ring body of two halves, and baffle 6 is made of two semicircular baffle rings, institute
The inner wall for stating tilting pad 2 is arc-shaped, and the inner diameter of tilting pad 2 is less than the diameter of 6 upper baffle ring inner wall of baffle.
Preferably, the tilting pad 2 is at least provided with three, tilting pad 2 around bearing shell body 1 central axis in a ring
It is uniformly distributed.
Preferably, in the adjusting bolt 4 42 outer wall of land diameter be less than 5 outer wall of scale cushion block diameter.
Operation principle：The utility model is the Tilting Pad Journal Bearing of adjustable clearance, and tilting pad 2 passes through both sides
Baffle 6 and adjusting bolt 4 are mounted on the inside of bearing shell body 1, and adjustment cushion block 3 is housed between tilting pad 2 and adjusting bolt 4,
Scale cushion block 5 is installed between bearing shell body 1 and adjusting bolt 2, it, can be according to scale pad the characteristics of using 4 fine thread of adjusting bolt
Scale slot indexing on block accurately converses the rotation of adjusting bolt 2, the revolution of pointer slot and position, then in tilting pad 2
Relationship between pore size, to achieve the purpose that more to be accurately controlled gap between tilting pad 2 and shaft.
The embodiment rather than limits the present invention the utility model is illustrated.Any this field
Technical staff can modify to the embodiment, therefore this practicality under the spirit and scope without prejudice to the utility model
Novel rights protection scope, should be as listed by the claim of the utility model.
Claims (5)
1. a kind of Tilting Pad Journal Bearing of adjustable clearance includes the bearing shell body (1) and tilting pad (2) of annular, can incline
Tile fragment (2) is distributed in the inside of bearing shell body (1), and bearing shell body (1) both sides are fixed with baffle (6), the side wall of tilting pad (2) against
On baffle (6), it is characterised in that：Counterbore (21) is formed in the middle part of tilting pad (2) outer wall, bearing shell body is bolted on (1)
The bottom end of the adjusting bolt (4) opposite with tilting pad (2), adjusting bolt (4) forms cylindrical plug (41), plug
(41) it is plugged in the counterbore (21) of tilting pad (2), adjusting pad block (3), adjusting pad is plugged in the counterbore of tilting pad (2)
The both ends of the surface of block (3) are born against on the bottom surface of tilting pad (2) counterbore (21) and plug (41), the adjusting bolt (4)
Concave station (11) is formed on bearing shell body (1) outer wall of outer end, concave station (11) interior grafting is fixed with scale cushion block (5), scale cushion block
(5) sleeve forms the scale slot (51) of annular spread in adjusting bolt (4) on scale cushion block (5), adjusting bolt (4)
Outer end forms land (42), and the pointer slot (421) opposite with scale slot (51) is formed in land (42).
2. a kind of Tilting Pad Journal Bearing of adjustable clearance according to claim 1, it is characterised in that：The quarter
Degree cushion block (5) is rounded, and the center of circle of scale cushion block (5) is distributed on the central axis of adjusting bolt (4), and scale slot (51) is around tune
The central axis of section bolt (4) is uniformly distributed in a ring.
3. a kind of Tilting Pad Journal Bearing of adjustable clearance according to claim 1, it is characterised in that：The bearing shell
Body (1) is made of the circular ring body of two halves, and baffle (6) is made of two semicircular baffle rings, the inner wall of the tilting pad (2)
It is arc-shaped, the inner diameter of tilting pad (2) is less than the diameter of baffle (6) upper baffle ring inner wall.
4. a kind of Tilting Pad Journal Bearing of adjustable clearance according to claim 1, it is characterised in that：Described can
Tile fragment (2) incline at least provided with three, tilting pad (2) is uniformly distributed in a ring around the central axis of bearing shell body (1).
5. a kind of Tilting Pad Journal Bearing of adjustable clearance according to claim 2, it is characterised in that：The adjusting
The diameter of land (42) outer wall is less than the diameter of scale cushion block (5) outer wall on bolt (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820083555.0U CN207777403U (en) | 2018-01-18 | 2018-01-18 | A kind of Tilting Pad Journal Bearing of adjustable clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820083555.0U CN207777403U (en) | 2018-01-18 | 2018-01-18 | A kind of Tilting Pad Journal Bearing of adjustable clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207777403U true CN207777403U (en) | 2018-08-28 |
Family
ID=63213317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820083555.0U Active CN207777403U (en) | 2018-01-18 | 2018-01-18 | A kind of Tilting Pad Journal Bearing of adjustable clearance |
Country Status (1)
| Country | Link |
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| CN (1) | CN207777403U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488641A (en) * | 2018-12-28 | 2019-03-19 | 上海海事大学 | A kind of centrifugal compressor diffuser arrangement |
| CN110094414A (en) * | 2019-04-25 | 2019-08-06 | 西安交通大学 | Bush(ing) bearing is adaptively adjusted in a kind of gap based on marmem |
| CN110185701A (en) * | 2019-05-31 | 2019-08-30 | 西安交通大学 | A kind of bush(ing) bearing with adaptive oil guard |
| CN112922957A (en) * | 2021-03-05 | 2021-06-08 | 上海电气风电集团股份有限公司 | Elastic tilting bearing bush sliding bearing of wind turbine |
| CN113565862A (en) * | 2021-06-18 | 2021-10-29 | 湖南崇德科技股份有限公司 | Radial bearing with adjustable fulcrum of tilting pad |
| CN113606256A (en) * | 2021-09-29 | 2021-11-05 | 启东锦桥轴承有限公司 | Rotary bearing with adjusting structure and convenient for self-locking and fixing |
| CN114688157A (en) * | 2020-12-25 | 2022-07-01 | 上海电气电站设备有限公司 | Liquid magnetic coupling bearing device for steam turbine and steam turbine |
| CN117605763A (en) * | 2023-11-24 | 2024-02-27 | 浙江申发轴瓦股份有限公司 | Bearing bush and use method thereof |
| WO2024046192A1 (en) * | 2022-08-30 | 2024-03-07 | 东方电气集团东方电机有限公司 | Cylindrical tiltable sliding bearing |
-
2018
- 2018-01-18 CN CN201820083555.0U patent/CN207777403U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488641A (en) * | 2018-12-28 | 2019-03-19 | 上海海事大学 | A kind of centrifugal compressor diffuser arrangement |
| CN110094414A (en) * | 2019-04-25 | 2019-08-06 | 西安交通大学 | Bush(ing) bearing is adaptively adjusted in a kind of gap based on marmem |
| CN110185701A (en) * | 2019-05-31 | 2019-08-30 | 西安交通大学 | A kind of bush(ing) bearing with adaptive oil guard |
| CN114688157A (en) * | 2020-12-25 | 2022-07-01 | 上海电气电站设备有限公司 | Liquid magnetic coupling bearing device for steam turbine and steam turbine |
| CN112922957A (en) * | 2021-03-05 | 2021-06-08 | 上海电气风电集团股份有限公司 | Elastic tilting bearing bush sliding bearing of wind turbine |
| CN113565862A (en) * | 2021-06-18 | 2021-10-29 | 湖南崇德科技股份有限公司 | Radial bearing with adjustable fulcrum of tilting pad |
| CN113606256A (en) * | 2021-09-29 | 2021-11-05 | 启东锦桥轴承有限公司 | Rotary bearing with adjusting structure and convenient for self-locking and fixing |
| CN113606256B (en) * | 2021-09-29 | 2021-12-07 | 启东锦桥轴承有限公司 | Rotary bearing with adjusting structure and convenient for self-locking and fixing |
| WO2024046192A1 (en) * | 2022-08-30 | 2024-03-07 | 东方电气集团东方电机有限公司 | Cylindrical tiltable sliding bearing |
| CN117605763A (en) * | 2023-11-24 | 2024-02-27 | 浙江申发轴瓦股份有限公司 | Bearing bush and use method thereof |
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