CN207809752U - A kind of screw shaft of ship device - Google Patents
A kind of screw shaft of ship device Download PDFInfo
- Publication number
- CN207809752U CN207809752U CN201721027052.3U CN201721027052U CN207809752U CN 207809752 U CN207809752 U CN 207809752U CN 201721027052 U CN201721027052 U CN 201721027052U CN 207809752 U CN207809752 U CN 207809752U
- Authority
- CN
- China
- Prior art keywords
- bearing
- propeller
- protective cover
- shaft
- transmission shaft
- 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
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of screw shaft of ship devices, including transmission shaft and propeller, the transmission shaft is multi-diameter shaft, fore bearing is installed on the preceding end-journal of the transmission shaft, front-end bearing pedestal is installed on the periphery of the fore bearing, rear bearing is installed on the rear end axle journal of the transmission shaft, rear bearing block is installed on the periphery of bearing after described, stern tube shaft pillar is provided between the front-end bearing pedestal and the rear bearing block, the stern tube shaft pillar is wrapped on the outside of the transmission shaft, and the protective cover of cone is provided in the other end face of the rear bearing block.Advantageous effect is：The utility model can be protected the propeller by the protective cover, makes the propeller in rotation, is cut to water plant by the cutter rotated, water plant is avoided to be wrapped on the propeller；The propeller is coordinated by the spline and the transmission shaft when mounted, is greatly improved the cooperation precision of the propeller, prevents the propeller from loosening.
Description
Technical field
The utility model is related to technical field of ships, and in particular to a kind of screw shaft of ship device.
Background technology
Stern tube shaft is the axis that propeller is installed on ship.One end of stern tube shaft connects propeller, and the other end connects hull internal gear
Case is connected by shaft coupling with generator, for the power of gear-box or generator to be transferred to propeller, to drive spiral shell
Revolve paddle rotation.
When driving propeller rotational, the propeller of rotation is easy to be wound by water plant existing stern tube shaft, causes propeller can not
Rotation, the water plant being involved between stern tube shaft and propeller is then difficult to clean up in repair, and it is logical that existing stern tube shaft is connect with propeller
Flat key connection is crossed, resistance is big when due to propeller rotational, and after rotating for a long time, gap is easy tod produce between propeller and stern tube shaft,
It causes propeller to loosen, or even falls.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of screw shaft of ship device, existing to solve
Have in technology that propeller and stern tube shaft are easy to be wound by water plant and propeller is easy to loosen and the technical problems such as falls.This practicality is new
Preferred technical solution has in many technical solutions that type provides：Water plant can be stopped and be cut, it is avoided to wind spiral shell
Paddle and stern tube shaft are revolved, while the propeller is connected using the spline on the transmission shaft, can effectively avoid propeller loosening
Phenomenon waits technique effects, elaboration as detailed below.
To achieve the above object, the utility model provides following technical scheme：
A kind of screw shaft of ship device provided by the utility model, including transmission shaft and propeller, the transmission shaft are ladder
Axis is equipped with fore bearing on the preceding end-journal of the transmission shaft, front-end bearing pedestal is equipped on the periphery of the fore bearing, described
Rear bearing is installed on the rear end axle journal of transmission shaft, rear bearing block, the fore bearing are installed on the periphery of the rear bearing
Stern tube shaft pillar is provided between seat and the rear bearing block, the stern tube shaft pillar is wrapped on the outside of the transmission shaft, the rear axle
The protective cover of cone is provided in the other end face of bearing；
The transmission shaft, which stretches out on the diameter of axle of bearing one end afterwards, is machined with spline, and the propeller passes through the spline
On the transmission shaft, spring bearing is installed on the outer end face of the propeller, the spring bearing is after described
Bearing side, and be connected with the protective cover, the blade outboard of the propeller is provided with protective cover；
The protective cover is mouse cage type structure, including end face rib and side rib, the end face rib and the side
Triangle cutter is both provided on rib, and the cutting edge of the cutter is towards the direction of rotation of the protective cover；
Locking lid is installed on the outside of the shaft end of the propeller.
Using a kind of above-mentioned screw shaft of ship device, the passing power of the fore bearing side is transmitted to institute by the transmission shaft
Propeller is stated, drives the propeller rotational, surface to be machined with the stern tube shaft of the spline and the propeller by the spline
Cooperation, is greatly improved the cooperation precision of the propeller and the transmission shaft, while can prevent the propeller from loosening, described
Propeller drives the protective cover to rotate together in rotation process, when there is water plant close to the propeller, the protective cover
On the cutter water plant can be cut in rotation, avoid long water plant from winding the propeller, while described anti-
Protecting cover can be exposed to the rear propeller the transmission shaft protect, avoid water plant from being involved on the transmission shaft.
Preferably, being both provided with waterproof sealing lid at the outer end face of the front-end bearing pedestal and the rear bearing block.
Preferably, the fore bearing and the rear bearing are graphite alloy bearing, and it is bushed in the front axle respectively
In bearing and the rear bearing block.
Preferably, the stern tube shaft pillar is process using seamless steel pipe, the internal diameter of the stern tube shaft pillar is more than described
The outer diameter of fore bearing and the rear bearing.
Preferably, the inner side end of the protective cover is adjacent with the protective cover, and gap between the two is not more than
1mm。
Preferably, the protective cover is fixedly connected with the wheel hub of the propeller.
Preferably, the end face rib is no less than 10, and it is evenly distributed in the end face outside of the protective cover, institute
It is equal with the quantity of end face rib to state side rib, and with the end face rib arranged crosswise.
Advantageous effect is：1, the utility model can be protected the propeller by the protective cover, make institute
Propeller is stated in rotation, water plant is cut by the cutter rotated, water plant is avoided to be wrapped on the propeller；
2, the propeller is coordinated by the spline and the transmission shaft when mounted, is greatly improved the propeller
Cooperation precision, prevent the propeller from loosening.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the front view of the utility model；
Fig. 2 is the protective cover front view of the utility model；
Fig. 3 is the partial enlarged view of Fig. 2 in the utility model.
The reference numerals are as follows：
1, locking lid；2, transmission shaft；3, spline；4, propeller；5, protective cover；501, end face rib；502, cutter；503、
Side rib；6, spring bearing；7, protective cover；8, rear bearing block；9, rear bearing；10, stern tube shaft pillar；11, front-end bearing pedestal；12、
Fore bearing.
Specific implementation mode
It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Shown in Fig. 1-Fig. 3, the utility model provides a kind of screw shaft of ship device, including transmission shaft 2 and propeller
4, transmission shaft 2 is multi-diameter shaft, is equipped with fore bearing 12 on the preceding end-journal of transmission shaft 2, is equipped on the periphery of fore bearing 12
Front-end bearing pedestal 11 is equipped with rear bearing 9 on the rear end axle journal of transmission shaft 2, rear bearing block 8 is equipped on the periphery of rear bearing 9,
Stern tube shaft pillar 10 is provided between front-end bearing pedestal 11 and rear bearing block 8, stern tube shaft pillar 10 is wrapped in 2 outside of transmission shaft, rear bearing
The protective cover 7 of cone is provided in the other end face of seat 8；
Spline 3 is machined with after transmission shaft 2 stretches out on the diameter of axle of 9 one end of bearing, propeller 4 is mounted on transmission by spline 3
On axis 2, spring bearing 6 is installed on the outer end face of propeller 4, spring bearing 6 close to 9 side of rear bearing, and with 7 phase of protective cover
Even, the blade outboard of propeller 4 is provided with protective cover 5；
Protective cover 5 is mouse cage type structure, including end face rib 501 and side rib 503, end face rib 501 and side muscle
Triangle cutter 502 is both provided on item 503, and the cutting edge of cutter 502 is towards the direction of rotation of protective cover 5；
Locking lid 1 is installed on the outside of the shaft end of propeller 4.
As optional embodiment, waterproof sealing lid is both provided at the outer end face of front-end bearing pedestal 11 and rear bearing block 8,
So set, for preventing water from entering inside transmission shaft 2, the normal use of fore bearing 12 and rear bearing 9 is influenced.
Fore bearing 12 and rear bearing 9 are graphite alloy bearing, and are bushed in front-end bearing pedestal 11 and rear bearing block 8 respectively
It is interior, so set, can not only reduce the outer diameter of stern tube shaft, but also the support force of stern tube shaft can be improved.
Stern tube shaft pillar 10 is process using seamless steel pipe, and the internal diameter of stern tube shaft pillar 10 is more than fore bearing 12 and rear bearing 9
Outer diameter, so set, convenient for improving the rigidity of stern tube shaft pillar 10, to improve its protective capacities.
The inner side end of protective cover 5 is adjacent with protective cover 7, and gap between the two is not more than 1mm, so set, just
When protective cover 5 is in rotation, avoid generating friction between protective cover 7.
Protective cover 5 is fixedly connected with the wheel hub of propeller 4, so set, driving protection in rotation convenient for propeller 4
Cover 5 rotates together with.
End face rib 501 is no less than 10, and is evenly distributed in the end face outside of protective cover 5, side rib 503 and end
The quantity of gluten item 501 is equal, and with 501 arranged crosswise of end face rib, so set, convenient for increase cutter 502 arrangement it is close
Degree, prevents long water plant from entering in protective cover 5.
Using the above structure, the passing power of 12 side of fore bearing is transmitted to propeller 4 by transmission shaft 2, passes through 3 band of spline
Dynamic propeller 4 rotates, and surface is machined with the stern tube shaft of spline 3 and propeller 4 coordinates, and is greatly improved propeller 4 and transmission shaft 2
Coordinate precision, while can prevent propeller 4 from loosening, propeller 4 drives protective cover 5 to rotate together with, when there is water in rotation process
When grass is close to propeller 4, the cutter 502 on protective cover 5 can cut water plant in rotation, and long water plant is avoided to wind
Propeller 4, while protective cover 7 is understood the transmission shaft 2 exposed to 4 rear of propeller and is protected, and water plant is avoided to be involved in transmission shaft 2
On.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (7)
1. a kind of screw shaft of ship device, it is characterised in that：Including transmission shaft (2) and propeller (4), the transmission shaft (2) is rank
Terraced axis is equipped with fore bearing (12) on the preceding end-journal of the transmission shaft (2), is equipped on the periphery of the fore bearing (12)
Front-end bearing pedestal (11), is equipped with rear bearing (9) on the rear end axle journal of the transmission shaft (2), it is described after bearing (9) periphery on
Rear bearing block (8) is installed, stern tube shaft pillar (10), institute are provided between the front-end bearing pedestal (11) and the rear bearing block (8)
It states stern tube shaft pillar (10) to be wrapped on the outside of the transmission shaft (2), circular cone is provided in the other end face of the rear bearing block (8)
The protective cover (7) of shape；
It is machined with spline (3) on the diameter of axle of bearing (9) one end after transmission shaft (2) stretching is described, the propeller (4) passes through
The spline (3) is mounted on the transmission shaft (2), and spring bearing (6), institute are equipped on the outer end face of the propeller (4)
Spring bearing (6) is stated close to described rear bearing (9) side, and is connected with the protective cover (7), the blade of the propeller (4)
Outside is provided with protective cover (5)；
The protective cover (5) is mouse cage type structure, including end face rib (501) and side rib (503), the end face rib
(501) and on the side rib (503) triangle cutter (502), and the equal direction of cutting edge of the cutter (502) are both provided with
The direction of rotation of the protective cover (5)；
Locking lid (1) is installed on the outside of the shaft end of the propeller (4).
2. a kind of screw shaft of ship device according to claim 1, it is characterised in that：The front-end bearing pedestal (11) and the rear axle
It is both provided with waterproof sealing lid at the outer end face of bearing (8).
3. a kind of screw shaft of ship device according to claim 1, it is characterised in that：The fore bearing (12) and the rear bearing
(9) it is graphite alloy bearing, and is bushed in respectively in the front-end bearing pedestal (11) and the rear bearing block (8).
4. a kind of screw shaft of ship device according to claim 1, it is characterised in that：The stern tube shaft pillar (10) uses seamless steel
Pipe is process, and the internal diameter of the stern tube shaft pillar (10) is more than the outer diameter of the fore bearing (12) and the rear bearing (9).
5. a kind of screw shaft of ship device according to claim 1, it is characterised in that：The inner side end of the protective cover (5) with
The protective cover (7) is adjacent, and gap between the two is not more than 1mm.
6. a kind of screw shaft of ship device according to claim 1, it is characterised in that：The protective cover (5) and the propeller
(4) wheel hub is fixedly connected.
7. a kind of screw shaft of ship device according to claim 1, it is characterised in that：The end face rib (501) is no less than 10
Root, and be evenly distributed in the end face outside of the protective cover (5), the side rib (503) and the end face rib (501)
Quantity it is equal, and with end face rib (501) arranged crosswise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027052.3U CN207809752U (en) | 2017-08-16 | 2017-08-16 | A kind of screw shaft of ship device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027052.3U CN207809752U (en) | 2017-08-16 | 2017-08-16 | A kind of screw shaft of ship device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207809752U true CN207809752U (en) | 2018-09-04 |
Family
ID=63336637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721027052.3U Expired - Fee Related CN207809752U (en) | 2017-08-16 | 2017-08-16 | A kind of screw shaft of ship device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207809752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203369A (en) * | 2019-06-14 | 2019-09-06 | 上海外高桥造船有限公司 | A kind of anti-rope shade assembly of ship sternpost |
| CN112339959A (en) * | 2020-11-23 | 2021-02-09 | 镇江金叶螺旋桨有限公司 | Ship propeller with cleaning function and installation and use method thereof |
-
2017
- 2017-08-16 CN CN201721027052.3U patent/CN207809752U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203369A (en) * | 2019-06-14 | 2019-09-06 | 上海外高桥造船有限公司 | A kind of anti-rope shade assembly of ship sternpost |
| CN112339959A (en) * | 2020-11-23 | 2021-02-09 | 镇江金叶螺旋桨有限公司 | Ship propeller with cleaning function and installation and use method thereof |
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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: 20180904 Termination date: 20190816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |