CN205190526U - Intermediate shaft bearing subassembly - Google Patents
Intermediate shaft bearing subassembly Download PDFInfo
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- CN205190526U CN205190526U CN201520909792.4U CN201520909792U CN205190526U CN 205190526 U CN205190526 U CN 205190526U CN 201520909792 U CN201520909792 U CN 201520909792U CN 205190526 U CN205190526 U CN 205190526U
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- bearing
- intermediate bearing
- intermediate shaft
- shaft bearing
- tailing axle
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Abstract
The utility model discloses an intermediate shaft bearing subassembly, intermediate shaft bearing subassembly includes that intermediate shaft bearing body (1), the hollow dummy shaft of intermediate shaft bearing (2), intermediate shaft bearing adjust cushion (3), intermediate shaft bearing base (4), the utility model discloses ensured the tailing axle hold with tailing axle effective contact area, make the tailing axle under the motion state, along the axis direction, in the circumference same position, the tailing axle holds linear contact with the tailing axle, and then makes the lubricating oil film that forms in succession not evenly, has avoided the load of bearing unit area too big, and has caused the accident of bearing high temperature scaling loss, has ensured that navigation safety is reliable.
Description
Technical field
The utility model relates to shipbuilding field, the accuracy control method of the particularly tail bearing unit area load of a kind of ton, single-bearing, large blade, the slow-speed of revolution, environment protection oil lubrication boats and ships, specifically a kind of intermediate bearing assembly.
Background technique
At present, the mode that ton stern journal bearing of ship many employings bore hole press-fits, owing to being horizontal bore hole, adds the precision problem of Boring machine itself, the axis hole after bore hole inevitably and theoretical axis produce deviation.Simultaneously, tail bearing press-fit good after, the impact that stress also can be processed and press-fit to the concentricity of internal diameter produces deviation.These two kinds of errors are superimposed, and effective area of contact of tail bearing and tailing axle will be caused to reduce, and then, the load of tail bearing unit area is increased, if tail bearing adopts the environment protection oil of the low trade mark to lubricate, just easily produces the accident of high temperature and scaling loss.
For this reason, in shafting installation process, first utilize the concentric detector of laser accurately to locate intermediate bearing, guarantee that tailing axle contacts completely with tail bearing.Then, with tail bearing left and right oil groove for starting point, along bearing bore diameter circumferencial direction, brush is carried out to bottom tail bearing internal diameter by special frock and colouring, from breech face bottom tail bearing forward, make bearing bore diameter Lower Half brush uniform coloring, eliminate the internal diameter Concentricity tolerance that bearing bore diameter causes because processing, press-fiting the factors such as stress.Like this, just can guarantee that tail bearing and tailing axle are linear and contact, and then, improve bearing and contact by area with the effective of axle.Make the operation that tail bearing is safe and reliable.
Model utility content
For solving Problems existing in background technique, the utility model provides a kind of method and intermediate bearing assembly, the brush frock of improving tail bearing and the effective area of contact of tailing axle.Technological scheme is:
A kind of method improving tail bearing and the effective area of contact of tailing axle:
The first step, accurate location intermediate bearing: tail bearing press-fits well, the internal diameter of laser concentricity measuring instrument to tail bearing is utilized to check, and with actual measurement axis for intermediate bearing body is roughly put into position by benchmark, the hollow dummy shaft of intermediate bearing is socketed in intermediate bearing body, the hollow dummy shaft of described intermediate bearing is one section of screwed pipe that can be socketed in intermediate bearing body, for observing location; The concentricity of intermediate bearing hollow dummy shaft vertical and substantially horizontal and actual axis is checked: by adjusting intermediate bearing four corner bolt, make the concentric deviation ≯ 0.05mm of the hollow dummy shaft of intermediate bearing and tail bearing practical center with laser concentricity measuring instrument; Press the theoretical value of centering of shafting calculation sheet again, intermediate bearing pedestal is installed intermediate bearing adjustment cushion block, the height of accurate adjustment intermediate bearing body, deviation ≯ 0.05mm; This step accurately locates the height and position of intermediate bearing, thus tailing axle is contacted completely with tail bearing.But tailing axle and tail bearing are still likely that point-like type contacts.
Second step, to brush painted bottom tail bearing internal diameter: clean tail bearing is inner; The outer surface of clean brush frock, described brush frock comprises operating grip, connecting base plate, brush face, and two operating grips are connected to the two ends in brush face by connecting plate; At the painted blue oil of brush face uniform application; Tail bearing inside will be put into by operating grip brush frock, the process put into, ensure that brush frock does not contact with tail bearing internal surface; With tail bearing left and right oil groove for starting point, the operating grip of hand steered brush frock, makes brush face roll back and forth along tail bearing internal surface circumferencial direction; According to tail bearing internal surface coloring case, stroke with flat scraper and scrape high point; Then repeating painted brush, until tail bearing internal diameter Lower Half, in the axial direction during uniform coloring, work completes from tail bearing breech face forward.This step carries out painted brush to the Lower Half of tail bearing internal diameter, thus, eliminate tail bearing internal diameter because of processing, press-fit stress and the Concentricity tolerance that produces, make that tailing axle and tail bearing are linear to be contacted, instead of point-like contacts.
Preferably, when installing intermediate bearing adjustment cushion block in the first step, intermediate bearing adjustment cushion block is fixed in spot welding, and carries out mark so that intermediate bearing accurately resets.
A kind of intermediate bearing assembly of the method for realizing improvement tail bearing and the effective area of contact of tailing axle that the utility model proposes, it comprises intermediate bearing body, the hollow dummy shaft of intermediate bearing, intermediate bearing adjustment cushion block, intermediate bearing pedestal, described intermediate bearing adjustment cushion block is arranged on intermediate bearing pedestal, intermediate bearing adjustment cushion block and intermediate bearing pedestal settle intermediate bearing body jointly, the hollow dummy shaft of intermediate bearing is one section of screwed pipe that can be socketed in intermediate bearing body, the hollow dummy shaft of intermediate bearing is socketed in intermediate bearing body locates for the installation of tail bearing.
Preferably, the hollow dummy shaft inside and outside circle of described intermediate bearing is concentric, deviation ≯ 0.05mm.
For realizing a brush frock for the method for improvement tail bearing and the effective area of contact of tailing axle that the utility model proposes, it comprises operating grip, connecting base plate, brush face, and two operating grips are connected to the two ends in brush face by connecting plate.
Preferably, the cylindricity deviation ≯ 0.02mm in brush face, surface roughness > 1.6 Δ.
The beneficial effects of the utility model
The utility model makes tail bearing effectively contact with tailing axle, guarantee that the load of tail bearing unit area is no more than design maximum permissible value, avoiding tail bearing, because using environment protection oil, the great engine-damaged accident of high temperature scaling loss occurs, guaranteeing navigation safety, for enterprise reduces economic loss.
Accompanying drawing explanation
Fig. 1 is the structural representation of intermediate bearing assembly in the utility model.
Fig. 2 is the structural representation utilizing intermediate bearing assembly and laser concentricity measuring instrument accurately to locate intermediate bearing.
Fig. 3 is the structural representation of brush frock in the utility model.
Fig. 4 is the structural representation utilizing the painted brush tail bearing of brush frock.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but protection domain of the present utility model is not limited thereto:
Composition graphs 1-Fig. 4.Embodiment 1: a kind of method improving tail bearing and the effective area of contact of tailing axle:
The first step, tail bearing (5) press-fits well, the internal diameter of laser concentricity measuring instrument (6) to tail bearing (5) is utilized to check, and with actual measurement axis for intermediate bearing body (1) is roughly put into position by benchmark, the socket hollow dummy shaft of intermediate bearing (2) in intermediate bearing body (1), the hollow dummy shaft of described intermediate bearing (2) is one section of screwed pipe that can be socketed in intermediate bearing body (1), for observing location; The concentricity of the hollow dummy shaft of intermediate bearing (2) vertical and substantially horizontal and actual axis is checked: by adjusting intermediate bearing four corner bolt, make the hollow dummy shaft of intermediate bearing (2) deviation ≯ 0.05mm concentric on tail bearing (5) practical center with laser concentricity measuring instrument (6); Press the theoretical value of centering of shafting calculation sheet again, adjust cushion block (3), the height of accurate adjustment intermediate bearing body (1), deviation ≯ 0.05mm at the upper intermediate bearing of installing of intermediate bearing pedestal (4);
Accurately located the height and position of intermediate bearing by the first step, thus tailing axle is contacted completely with tail bearing.But tailing axle and tail bearing are still likely that point-like type contacts.
Second step, clean tail bearing (5) is inner; The outer surface of clean brush frock (7), described brush frock (7) comprises operating grip (7-1), connecting base plate (7-2), brush face (7-3), and two operating grips (7-1) are connected to the two ends of brush face (7-3) by connecting plate (7-2); At the painted blue oil of brush face (7-3) uniform application; Tail bearing (5) will be put into by operating grip (7-1) brush frock (7) inner, the process put into, ensure that brush frock (7) does not contact with tail bearing (5) internal surface; With tail bearing (5) left and right oil groove for starting point, the operating grip (7-1) of hand steered brush frock (7), makes brush face (7-3) roll back and forth along tail bearing (5) internal surface circumferencial direction; According to tail bearing (5) internal surface coloring case, stroke with flat scraper and scrape high point; Then repeating painted brush, until tail bearing (5) internal diameter Lower Half, in the axial direction during uniform coloring, work completes from tail bearing (5) breech face forward.
By second step, painted brush is carried out to the Lower Half of tail bearing internal diameter, thus, eliminate tail bearing internal diameter because of processing, press-fit stress and the Concentricity tolerance that produces, make that tailing axle and tail bearing are linear to be contacted, instead of point-like contacts.
Embodiment 2, the method improving tail bearing and the effective area of contact of tailing axle as described in Example 1, when installing intermediate bearing adjustment cushion block (3) in the first step, intermediate bearing adjustment cushion block (3) is fixed in spot welding, and carries out mark so that intermediate bearing accurately resets.
Embodiment 3: a kind of intermediate bearing assembly, it comprises intermediate bearing body (1), the hollow dummy shaft of intermediate bearing (2), intermediate bearing adjustment cushion block (3), intermediate bearing pedestal (4), described intermediate bearing adjustment cushion block (3) is arranged on intermediate bearing pedestal (4), intermediate bearing adjustment cushion block (3) and intermediate bearing pedestal (4) settle intermediate bearing body (1) jointly, the hollow dummy shaft of intermediate bearing (2) is one section of screwed pipe that can be socketed in intermediate bearing body (1), the hollow dummy shaft of intermediate bearing (2) is socketed in intermediate bearing body (1) and locates for the installation of tail bearing (5).
Embodiment 4: intermediate bearing assembly as described in Example 3, the hollow dummy shaft of described intermediate bearing (2) inside and outside circle is concentric, deviation ≯ 0.05mm.
Embodiment 5: a kind of brush frock, it comprises operating grip (7-1), connecting base plate (7-2), brush face (7-3), and two operating grips (7-1) are connected to the two ends of brush face (7-3) by connecting plate (7-2).
Embodiment 6: brush frock as described in Example 5, the cylindricity deviation ≯ 0.02mm of brush face (7-3), surface roughness > 1.6 Δ.
Accurate location intermediate bearing of the present utility model and the method to brush painted bottom tail bearing internal diameter, ensure that tail bearing and the effective area of contact of tailing axle, make tailing axle under motion state, in the axial direction, in circumference same position, tailing axle contacts with tail bearing is linear, and then make the lubricant film continuous uniform of formation, avoid the load of bearing unit area excessive, and cause the accident of bearing high temperature scaling loss, ensure that navigation safety is reliable.
Specific embodiment described herein is only illustrate the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (2)
1. an intermediate bearing assembly, it is characterized in that it comprises intermediate bearing body (1), the hollow dummy shaft of intermediate bearing (2), intermediate bearing adjustment cushion block (3), intermediate bearing pedestal (4), described intermediate bearing adjustment cushion block (3) is arranged on intermediate bearing pedestal (4), intermediate bearing adjustment cushion block (3) and intermediate bearing pedestal (4) settle intermediate bearing body (1) jointly, the hollow dummy shaft of intermediate bearing (2) is one section of screwed pipe that can be socketed in intermediate bearing body (1), the hollow dummy shaft of intermediate bearing (2) is socketed in intermediate bearing body (1) and locates for the installation of tail bearing (5).
2. intermediate bearing assembly according to claim 1, is characterized in that the hollow dummy shaft of described intermediate bearing (2) inside and outside circle is concentric, deviation ≯ 0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909792.4U CN205190526U (en) | 2015-11-14 | 2015-11-14 | Intermediate shaft bearing subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909792.4U CN205190526U (en) | 2015-11-14 | 2015-11-14 | Intermediate shaft bearing subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190526U true CN205190526U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520909792.4U Active CN205190526U (en) | 2015-11-14 | 2015-11-14 | Intermediate shaft bearing subassembly |
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| CN (1) | CN205190526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269297A (en) * | 2015-11-14 | 2016-01-27 | 中国长江航运集团南京金陵船厂 | Method for improving effective contact area between tail bearing and tail shaft, middle bearing assembly and scraping fitting tool |
-
2015
- 2015-11-14 CN CN201520909792.4U patent/CN205190526U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269297A (en) * | 2015-11-14 | 2016-01-27 | 中国长江航运集团南京金陵船厂 | Method for improving effective contact area between tail bearing and tail shaft, middle bearing assembly and scraping fitting tool |
| CN105269297B (en) * | 2015-11-14 | 2017-11-03 | 中国长江航运集团南京金陵船厂 | Improvement Wei Shaft hold the method and intermediate bearing component, brush frock with the effective contact area of tailing axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210015 Yanjiang Road, Drum Tower District, Nanjing, Jiangsu Province, No. 55 Patentee after: Nanjing Jinling shipyard Co., Ltd. Address before: 210015 Yanjiang Road, Drum Tower District, Nanjing, Jiangsu Province, No. 55 Patentee before: Nanjing Jinling Shipyard Factory, CSC |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210015, 55, Yan Jiang Road, Gulou District, Jiangsu, Nanjing Patentee after: China Merchants Jinling shipping (Nanjing) Co., Ltd Address before: 210015, 55, Yan Jiang Road, Gulou District, Jiangsu, Nanjing Patentee before: NANJING JINLING SHIPYARD Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |