CN208945539U - A kind of stern tube bearing fitting tooling - Google Patents
A kind of stern tube bearing fitting tooling Download PDFInfo
- Publication number
- CN208945539U CN208945539U CN201821859539.2U CN201821859539U CN208945539U CN 208945539 U CN208945539 U CN 208945539U CN 201821859539 U CN201821859539 U CN 201821859539U CN 208945539 U CN208945539 U CN 208945539U
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- CN
- China
- Prior art keywords
- nut
- bearing
- pressing plate
- stern
- lead screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of stern tube bearing fitting toolings, belong to field of shipbuilding technical field.The mounting tool includes lead screw, lead screw runs through stern pipe along the central axis of stern pipe, the first nut, the first hydraulic jack, the first pressing plate are successively arranged on lead screw, fore bearing, rear bearing, the second pressing plate, the second hydraulic jack and the second nut, first nut, the first hydraulic jack and the first pressing plate are located at the front of fore bearing, fore bearing is located at the front end of stern pipe, and the second pressing plate, the second hydraulic jack and the second nut are located at the rear of rear bearing, and rear bearing is located at the rear end of stern pipe.The mounting tool of the utility model can adequately guarantee bearing and stern pipe is concentric installs, and mounting means is simply easy to operate.
Description
Technical field
A kind of the utility model shipbuilding technical field, and in particular to stern tube bearing fitting tooling.
Background technique
Stern tube bearing is installed after the completion of stern pipe orifice bore hole, if occurring deviation in installation process, will lead to axis
Deformation is held, bearing deformation will lead to bearing installation less than position, influence entire shafting safe operation, will lead to axis when deforming serious
The babbit for holding surface falls off, and causes quality accident.General installation can all weld a door subrack on sternpost, see attached drawing 1,
A hydraulic jack is reused, adds a pressing plate in bearing collar extension, bearing is pressed into stern pipe, installation jack is easy to shake in this way
It is dynamic, it be easy to cause bearing to install and tilts, in case of inclination, reuse hydraulic oil pressure jack firmly past stern pipe the inside top,
It is easy to cause the damage of bearing.
Utility model content
The purpose of this utility model is to overcome the problems of the prior art, provide a kind of stern tube bearing fitting tooling.
The utility model provides a kind of stern tube bearing fitting tooling, including lead screw, central axis of the lead screw along stern pipe
Line runs through stern pipe, is successively arranged the first nut, the first hydraulic jack, the first pressing plate, fore bearing, rear bearing, second on lead screw
Pressing plate, the second hydraulic jack and the second nut, first nut, the first hydraulic jack and the first pressing plate are located at fore bearing
Front, fore bearing is located at the front end of stern pipe, and second pressing plate, the second hydraulic jack and the second nut are located at rear bearing
Rear, rear bearing are located at the rear end of stern pipe.
Preferably, being respectively connected with rotating mechanism on the first nut and the second nut, the rotating mechanism includes pedestal, support
The lower end of column, supporting table, motor support frame, motor, gear, toothed chain, sleeve, the support column is fixed on the base, support column
Upper end be fixedly connected in supporting table, motor support frame is slidably connected with supporting table, and motor is located on motor support frame, motor
Output shaft is fixedly connected with gear, and the card slot being mutually matched with the outer surface of the first nut and the second nut, set are equipped in sleeve
The outside of cylinder is equipped with sawtooth, and gear is located at the underface of sleeve, and sleeve is connect with gear by toothed chain, and motor is electrically connected with power supply
It connects.
Preferably, being additionally provided with the supporting adn fixing device of lead screw in supporting table, the supporting adn fixing device includes two and branch
The half arc fixed ring that platform is slidably connected is supportted, is respectively equipped with fastening bolt at the upper and lower side of the half arc fixed ring.
Compared with prior art, the utility model has the beneficial effects that the mounting tool of the utility model stern tube bearing makes
The problem of bearing can be accurately installed to inside stern pipe, be not in installation inclination, damaged bearing, and the utility model stern pipe
The installation process of bearing is simple, does not need that a subrack is welded and fixed, tooling may be reused；It does not need to weld on stern pipe yet
Other toolings, front and back bearings connect installation, can adequately guarantee bearing and stern pipe is concentric installs, reduce the possibility of deviation,
Mounting means is simply easy to operate.
The rotating mechanism of stern tube bearing fitting tooling provided by the utility model can replace manpower tighten the first nut and
Second nut improves installation effectiveness, while the supporting adn fixing device being set on the support can fasten lead screw, avoid
Lead screw offset in installation process, by improving the stability of lead screw to ensure the concentric installation of bearing and rear bearing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the mounting tool of the prior art；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the utility model rotating mechanism schematic view of the mounting position；
Fig. 4 is the structural schematic diagram of the utility model rotating mechanism；
Fig. 5 is the structural schematic diagram of the utility model supporting adn fixing device.
Description of symbols:
1-1. left-hand door subrack, the left jack of 1-2., 1-3. left pressing plate, 1-4. left bearing, 1-5. right bearing, the right pressure of 1-6.
Plate, the right jack of 1-7., the right door subrack of 1-8.；
1. lead screw, 2. first nuts, 3. first hydraulic jacks, 4. first pressing plates, 5. fore bearings, 6. rear bearings, 7.
Two pressing plates, 8. second hydraulic jacks, 9. second nuts, 10. rotating mechanisms, 101. pedestals, 102. support columns, 103. supports
Platform, 104. motor support frames, 105. motors, 106. gears, 107. toothed chains, 108. sleeves, 11. supporting adn fixing devices, 12. half arcs
Shape fixed ring, 13. fastening bolts.
Specific embodiment
Specific embodiment of the present utility model is described in detail in 1-5 with reference to the accompanying drawing, it is to be understood that this reality
It is not limited by the specific implementation with novel protection scope.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the utility model guarantor
The range of shield.
Mounting tool in the prior art is by welding left-hand door subrack 1-1 and You Men at the both ends of stern pipe as shown in Figure 1:
Subrack 1-8, left pressing plate 1-3 and right pressing plate 1-6 are close to corresponding left bearing 1-4 and right bearing 1-5 respectively, then pass through respectively
Left jack 1-2 and right jack 1-7 pushes left pressing plate 1-3 and right pressing plate 1-6, and realization pushes away left bearing 1-4 and right bearing 1-5
Enter stern pipe；This installation method be easy to cause the damage of bearing；
As shown in Fig. 2, a kind of stern tube bearing fitting tooling, including lead screw 1 are present embodiments provided to this, the lead screw 1
Run through stern pipe along the central axis of stern pipe, be successively arranged the first nut 2, the first hydraulic jack 3, the first pressing plate 4 on lead screw 1,
Fore bearing 5, rear bearing 6, the second pressing plate 7, the second hydraulic jack 8 and the second nut 9, first nut 2, the first oil pressure thousand
Jin top 3 and the first pressing plate 4 are located at the front of fore bearing 5, and fore bearing 5 is located at the front end of stern pipe, 7, second oil of the second pressing plate
Pressure jack 8 and the second nut 9 are located at the rear of rear bearing 6, and rear bearing 6 is located at the rear end of stern pipe.
The application method of mounting tool provided in this embodiment is as follows:
S1, the front-end and back-end that fore bearing 5 and rear bearing 6 are first respectively pressed into stern pipe；
S2, lead screw 1 is sequentially passed through to fore bearing center, the center of stern tube hub and rear bearing；
S3, by center 4 sets of the first pressing plate with holes on lead screw 1, the first pressing plate 4 be close to fore bearing 5 outer end face, will in
First hydraulic jack 3 in central band hole is inserted on lead screw 1；First oil jack 3 holds out against the first pressing plate 4 of patch, then in the first oil
Press the outside of jack 3 that first nut 2 is installed；
Using same mounting means by center 7 sets of the second pressing plate with holes on lead screw 1, the second pressing plate 7 be close to rear axle
Center the second hydraulic jack 8 with holes is inserted on lead screw 1 by the outer end face for holding 6；Second hydraulic jack 8 is close to the second pressure
Then plate 7 installs the second nut 9 in the outside of the second hydraulic jack 8；
S4, the first hydraulic jack 3 of starting and the second hydraulic jack 8, the first hydraulic jack 3 and the second oil jack
The piston on top 8 stretches out, and the spacing of fore bearing 5 and rear bearing 6 reduces；
S5, when the stroke of the first hydraulic jack 3 and the second hydraulic jack 8 is finished, bleed off piston oil pressure, rotation first
Nut 2 and the second nut 9, make the first hydraulic jack 3 be close to the first pressing plate 4 again, and the second hydraulic jack 8 is adjacent to again
Two pressing plates 7 repeat above-mentioned movement when piston stroke is finished again, until fore bearing 5 and rear bearing 6 fully enter in stern pipe.
Further, as shown in figure 3, being connected with rotating mechanism 10 on the first nut 2, as shown in figure 4, the rotating mechanism
10 include pedestal 101, support column 102, supporting table 103, motor support frame 104, motor 105, gear 106, toothed chain 107, sleeve
108, the lower end of the support column 102 is fixed on pedestal 101, and the upper end of support column 102 is fixedly connected in supporting table 103, electricity
Machine support frame 104 is slidably connected with supporting table 103, and motor 105 is located on motor support frame 104, the output shaft and tooth of motor 105
Wheel 106 is fixedly connected, and the card slot being mutually matched with the outer surface of the first nut and the second nut, sleeve 108 are equipped in sleeve 108
Outside be equipped with sawtooth, gear 106 is located at the underface of sleeve 108, and sleeve 108 is connect with gear 106 by toothed chain 107, electric
Machine 105 is electrically connected to a power source.
Second nut 9 also on be connected with rotating mechanism 10, the rotating mechanism 10 includes pedestal 101, support column 102, branch
Platform 103, motor support frame 104, motor 105, gear 106, toothed chain 107, sleeve 108 are supportted, the lower end of the support column 102 is fixed
On pedestal 101, the upper end of support column 102 is fixedly connected in supporting table 103, and motor support frame 104 and the sliding of supporting table 103 connect
It connects, motor 105 is located on motor support frame 104, and the output shaft of motor 105 is fixedly connected with gear 106, is equipped in sleeve 108
The outside of the card slot being mutually matched with the outer surface of the first nut and the second nut, sleeve 108 is equipped with sawtooth, and gear 106 is located at
The underface of sleeve 108, sleeve 108 are connect with gear 106 by toothed chain 107, and motor 105 is electrically connected to a power source.
The working principle of rotating mechanism 10 is as follows: being rotated by motor 105 with moving gear 106, due to gear 106 and sleeve
108 sawtooth is connected by transmission toothed chain 107, therefore gear 106 will drive the rotation of sleeve 108, due to the first nut 2 and second
Nut 9 is stuck in sleeve 108, therefore the rotation of sleeve 108 will drive the first nut 2 and the rotation of the second nut 9, to realize to spiral shell
Female screws automatically, and motor support frame 104 is slidably connected with supporting table 103, and being slidably connected can be using in motor support frame 104
Bottom sliding block is set, dovetail groove is set in supporting table 103, and the mode that sliding block is slidably connected with dovetail groove is realized, is reached
Motor 105 and gear 106, the meeting purpose mobile with the direction of the first nut 2 and the second nut 9 to close stern pipe.
As shown in figure 5, further, the supporting adn fixing device 11 of lead screw 1 is additionally provided in supporting table 103, the support is solid
Determining device includes two half arc fixed rings 12 being slidably connected with supporting table 103, the upper and lower side of the half arc fixed ring 12
Place is respectively equipped with fastening bolt 13.
To sum up, the mounting tool of the utility model stern tube bearing enables bearing to be accurately installed to inside stern pipe, will not go out
The problem of now installation inclination, damage bearing, and the installation process of the utility model stern tube bearing is simple, does not need to be welded and fixed
Door subrack, tooling may be reused；It does not need to weld other toolings on stern pipe, front axle bearing connects installation, energy yet
Adequately guarantee bearing and stern pipe is concentric installs, reduces the possibility of deviation, mounting means is simply easy to operate.
The rotating mechanism of stern tube bearing fitting tooling provided by the utility model can replace manpower tighten the first nut and
Second nut improves installation effectiveness, while the supporting adn fixing device being set on the support can fasten lead screw, avoid
Lead screw offset in installation process, by improving the stability of lead screw to ensure the concentric installation of bearing and rear bearing.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of stern tube bearing fitting tooling, which is characterized in that including lead screw, the lead screw runs through stern along the central axis of stern pipe
It manages, is successively arranged the first nut, the first hydraulic jack, the first pressing plate, fore bearing, rear bearing, the second pressing plate, second on lead screw
Hydraulic jack and the second nut, first nut, the first hydraulic jack and the first pressing plate are located at the front of fore bearing, preceding
Bearing is located at the front end of stern pipe, and second pressing plate, the second hydraulic jack and the second nut are located at the rear of rear bearing, rear axle
It holds positioned at the rear end of stern pipe.
2. stern tube bearing fitting tooling as described in claim 1, which is characterized in that on first nut and the second nut
Be connected with rotating mechanism, the rotating mechanism includes pedestal, support column, supporting table, motor support frame, motor, gear, toothed chain,
The lower end of sleeve, the support column is fixed on the base, and the upper end of support column is fixedly connected in supporting table, motor support frame and branch
Support platform is slidably connected, and motor is located on motor support frame, and the output shaft of motor is fixedly connected with gear, is equipped with and first in sleeve
The outside of the card slot that the outer surface of nut and the second nut is mutually matched, sleeve is equipped with sawtooth, and gear is located at the underface of sleeve,
Sleeve is connect with gear by toothed chain, and motor is electrically connected to a power source.
3. stern tube bearing fitting tooling as claimed in claim 2, which is characterized in that be additionally provided with the branch of lead screw in the supporting table
Fixed device is supportted, the supporting adn fixing device includes two half arc fixed rings being slidably connected with supporting table, half arc
Fastening bolt is respectively equipped at the upper and lower side of fixed ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859539.2U CN208945539U (en) | 2018-11-12 | 2018-11-12 | A kind of stern tube bearing fitting tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859539.2U CN208945539U (en) | 2018-11-12 | 2018-11-12 | A kind of stern tube bearing fitting tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208945539U true CN208945539U (en) | 2019-06-07 |
Family
ID=66744475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821859539.2U Expired - Fee Related CN208945539U (en) | 2018-11-12 | 2018-11-12 | A kind of stern tube bearing fitting tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208945539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175970A (en) * | 2018-11-12 | 2019-01-11 | 西安交通工程学院 | A kind of stern tube bearing fitting technique and mounting tool |
-
2018
- 2018-11-12 CN CN201821859539.2U patent/CN208945539U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175970A (en) * | 2018-11-12 | 2019-01-11 | 西安交通工程学院 | A kind of stern tube bearing fitting technique and mounting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190607 Termination date: 20211112 |