CN211709177U - Stern tube bearing mounting device - Google Patents
Stern tube bearing mounting device Download PDFInfo
- Publication number
- CN211709177U CN211709177U CN201921536382.4U CN201921536382U CN211709177U CN 211709177 U CN211709177 U CN 211709177U CN 201921536382 U CN201921536382 U CN 201921536382U CN 211709177 U CN211709177 U CN 211709177U
- Authority
- CN
- China
- Prior art keywords
- bearing
- pressing plate
- fixed
- lead screw
- stern
- Prior art date
- 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
Links
- 238000003825 pressing Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000011900 installation process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Images
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- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model discloses a stern tube bearing installation device, including bearing fixing device and bearing advancing device. The bearing propulsion device is connected to a ship stern casting through a fixed screw rod by a fixed pressing plate, and the bearing fixing device is connected with the screw rod and fixed to realize bearing press mounting through a hydraulic jack and a telescopic screw rod on the fixed pressing plate of the bearing propulsion device. The beneficial effects are that: the device is suitable for press mounting of stern tube bearings and other bearings of various ships, is simple to operate, is low in manufacturing cost, and can be repeatedly used.
Description
Technical Field
The utility model belongs to the technical field of the mechanical installation, especially, relate to a bulk cargo ship stern tube bearing installation device commonly used.
Background
In the ship construction process, part of ship stern tubes need to be subjected to bearing press mounting. The traditional stern tube bearing press-fitting device has the following defects: (1) the construction is heavy and inconvenient to install, and the construction difficulty is caused; (2) the hull outer plate needs to be welded, the hull outer plate is damaged, and the welded place needs to be treated after the installation is finished, so that the workload is increased; (3) certain potential safety hazards exist in the construction process; (4) the device is easy to deform in the installation process, multiple times of adjustment are needed, and the press-mounting device is easy to damage in the installation process; (5) different types of ships also require remanufacturing of press-fitting devices. Aiming at the operation environment and procedures of the ship stern tube bearing in a shipyard, the development of an installation positioning device which has the advantages of simple positioning, reduction of the installation difficulty and the construction workload of the ship stern tube bearing, no damage to a ship body, wide application range of ships, repeated use, convenient and easy storage and safe performance is urgently needed.
Disclosure of Invention
Unfavorable factors such as complicated, the easy damage stern tube bearing of operation to current stern tube bearing positioning process, the utility model aims at providing a stern tube bearing pressure equipment installation device can satisfy various types boats and ships stern tube bearing pressure equipment demands, improves work efficiency, reduces subsequent processing.
For realizing the purpose, the utility model adopts the technical proposal that: a stern tube shaft bearing device comprises a bearing fixing device and a bearing propelling device, wherein the bearing fixing device comprises a bearing front pressing plate, a bearing rear pressing plate and a front and rear pressing plate fixing lead screw, and the front and rear pressing plate fixing lead screw fixes a bearing between the bearing front pressing plate and the bearing rear pressing plate through the inner diameter of the bearing; the bearing propelling device comprises a fixed pressing plate, a telescopic screw rod and a hydraulic jack, wherein the periphery of the fixed pressing plate is fixedly connected with a stern hub through a plurality of fixed screw rods, the telescopic screw rod is arranged at the center of the fixed pressing plate, one end of the hydraulic jack is fixed with a bearing front pressing plate, and the other end of the hydraulic jack is in threaded connection with the telescopic screw rod through a hydraulic jacking head.
The fixed pressing plate is a 20-30mm thickened steel plate.
And a supplementary gasket is arranged on the telescopic screw rod to increase the effective working distance of the hydraulic ejector piston. The utility model has the effects that: the device is simple to operate and high in safety; the mounting efficiency of the stern tube bearing is improved; the requirements on personnel and equipment are reduced, and the working strength is reduced; the application range is wide.
Drawings
Fig. 1 is a schematic structural view of a stern tube bearing installation device of the present invention;
FIG. 2 is a schematic view of a mounting structure of a rear fixing plate of the bearing of FIG. 1;
fig. 3 is a schematic structural view of the hydraulic jack of fig. 1 fixed to a bearing.
In the figure:
1. fixed pressing plate 2, telescopic lead screw 3 and supplementary gasket
4. Pressing plate 5, hydraulic top 6 and fixed lead screw
7. Bearing 8, front and rear pressing plate fixing screw rod 9 and bearing rear fixing plate
10. Stern hub
Detailed Description
The structure and the application process of the stern tube bearing press mounting device of the present invention will be explained with reference to the accompanying drawings.
As shown in fig. 1 to 3, a ship stern tube bearing press-fitting device comprises a bearing fixing device and a bearing propelling device, wherein the bearing fixing device comprises a bearing front pressing plate 4, a bearing rear pressing plate 9 and a front and rear pressing plate fixing screw 8, and the front and rear pressing plate fixing screw 8 fixes a bearing between the bearing front pressing plate 4 and the bearing rear pressing plate) through the inner diameter of the bearing; the bearing propelling device comprises a fixed pressing plate 1, a telescopic lead screw 2 and a hydraulic jack 5, the periphery of the fixed pressing plate 1 is fixedly connected with a stern hub 10 through a plurality of fixed lead screws 6, the telescopic lead screw 2 is arranged at the center of the fixed pressing plate 1, and the fixed pressing plate 1 is a 20-30mm thickened steel plate. The telescopic lead screw 2 is provided with a supplementary gasket 3 to increase the effective working distance of the hydraulic ejector piston. One end of a hydraulic jack 5 is fixed with the bearing front pressing plate 4, and the other end of the hydraulic jack is in threaded connection with the telescopic lead screw 2 through a hydraulic jacking head 5.
The process of pressing the ship stern tube bearing comprises the following steps:
the method comprises the steps of firstly, correspondingly punching and tapping a screw hole of a fixing pressure plate 1 of a stern hub 10, fixing a hydraulic top 5 on a bearing front pressure plate 4 by using a screw, hoisting a bearing 7 to the center position of a shaft hole in the front of the stern hub 10 by using a hoist, connecting the bearing 7, the bearing front pressure plate 4 and a bearing rear pressure plate 9 by using a bearing front pressure plate fixing lead screw 8, screwing a nut, adjusting the hoist to enable the bearing 7 to be aligned with the shaft hole of the stern hub 10, and then slightly pushing the bearing 7 into the stern hole to reach about 1/3 distance. And a fixed lead screw 6 is arranged on the stern hub 10 and is screwed tightly. The fixed pressing plate 1 is installed and rotated, the telescopic lead screw 2 is connected with the hydraulic top 5, and the nut on the fixed lead screw 6 is screwed tightly. The hydraulic ejector 5 is started, the hydraulic ejector 5 provides an acting force for the fixed pressing plate 1, the fixed pressing plate 1 reacts on the acting force of the hydraulic ejector 5, the bearing front pressing plate 4 is pushed to move backwards, and the bearing 7 is enabled to move towards the stern hub hole. And (4) running for a certain distance, releasing pressure, adding the supplementary gasket 3 according to the field condition, and repeating continuously until the bearing is positioned.
And after the press mounting is finished, dismounting the press mounting device.
Claims (3)
1. The utility model provides a stern tubular bearing installation device which characterized by: the bearing fixing device comprises a bearing front pressing plate (4), a bearing rear pressing plate (9) and a front and rear pressing plate fixing lead screw (8), wherein the front and rear pressing plate fixing lead screw (8) fixes a bearing between the bearing front pressing plate (4) and the bearing rear pressing plate (9) through the inner diameter of the bearing; the bearing propelling device comprises a fixed pressing plate (1), a telescopic lead screw (2) and a hydraulic top head (5), wherein the periphery of the fixed pressing plate (1) is fixedly connected with a stern hub (10) through a plurality of fixed lead screws (6), the telescopic lead screw (2) is arranged at the center of the fixed pressing plate (1), one end of the hydraulic top head (5) is fixed with a bearing front pressing plate (4), and the other end of the hydraulic top head (5) is in threaded connection with the telescopic lead screw (2) through the hydraulic top head (5).
2. The stern tube bearing mounting device as claimed in claim 1, wherein: the fixed pressing plate (1) is a thickened steel plate with the thickness of 20-30 mm.
3. The stern tube bearing mounting device as claimed in claim 1, wherein: and a supplementary gasket (3) is arranged on the telescopic lead screw (2) to increase the effective working distance of the hydraulic ejector piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921536382.4U CN211709177U (en) | 2019-09-16 | 2019-09-16 | Stern tube bearing mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921536382.4U CN211709177U (en) | 2019-09-16 | 2019-09-16 | Stern tube bearing mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211709177U true CN211709177U (en) | 2020-10-20 |
Family
ID=72812488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921536382.4U Expired - Fee Related CN211709177U (en) | 2019-09-16 | 2019-09-16 | Stern tube bearing mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211709177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953776A (en) * | 2021-11-19 | 2022-01-21 | 沪东中华造船(集团)有限公司 | Method for mounting ship propeller shaft bearing |
-
2019
- 2019-09-16 CN CN201921536382.4U patent/CN211709177U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953776A (en) * | 2021-11-19 | 2022-01-21 | 沪东中华造船(集团)有限公司 | Method for mounting ship propeller shaft bearing |
| CN113953776B (en) * | 2021-11-19 | 2023-12-08 | 沪东中华造船(集团)有限公司 | Method for installing ship propeller shaft bearing |
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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 |
Granted publication date: 20201020 |