CN112009660A - Antiwind device for ship rotating shaft - Google Patents
Antiwind device for ship rotating shaft Download PDFInfo
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- CN112009660A CN112009660A CN202010890739.XA CN202010890739A CN112009660A CN 112009660 A CN112009660 A CN 112009660A CN 202010890739 A CN202010890739 A CN 202010890739A CN 112009660 A CN112009660 A CN 112009660A
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- rotating shaft
- shell
- ship
- stern
- chain saw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/34—Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
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Abstract
One or more embodiments of the present specification provide an anti-wind apparatus for a rotating shaft of a ship, including: the tail pipe is arranged at the stern part of the ship, the cutter assembly is fixedly arranged at the port of the stern pipe, a propeller hub is arranged in the stern pipe, a propeller is arranged at the end part of the propeller hub, the cutter assembly comprises a disturbance rod parallel to the axis of the propeller hub and a chain saw arranged on the outer wall of the stern pipe, the disturbance rod is arranged at the end part of the stern pipe and rotates in a planetary way by taking the propeller hub as the axis, the chain saw is in power connection with the disturbance rod, and when the disturbance rod rotates, the chain saw cuts a wound object through rotation. The invention is provided with a cutter assembly, which comprises a disturbance rod and a chain saw and can protect a propeller hub and a propeller before being wound; if the winding condition can not be avoided, the disturbing rod and the chain saw cut off and remove the wound objects, so that the propeller hub is free from winding.
Description
Technical Field
One or more embodiments of this description relate to boats and ships equipment technical field, especially relate to an antiwind device for boats and ships axis of rotation.
Background
When boats and ships advance in aqueous, can meet various floaters, some rope form floaters, for example nylon rope, pasture and water etc. can twine in the axis of rotation of screw to influence the normal rotation of screw, not only make a plurality of screw rotational speeds appear the difference, appear partially when leading to boats and ships to navigate, can lead to boats and ships to lose power when serious, cause major accident.
At present, in order to solve the problem of winding of a propeller, a cutter is generally arranged on a hub of the propeller or a stern tube of a ship, but the cutter is arranged, belongs to a compensation measure, plays a role after winding occurs, and cannot be protected before winding does not occur; simultaneously in case the winding is too much, the cutting rate of cutting knife is less than winding rate, can make the cutting action of cutting knife become invalid, finally still can't avoid the winding. .
Disclosure of Invention
In view of the above, an object of one or more embodiments of the present disclosure is to provide an anti-wind device for a rotating shaft of a ship, so as to solve the problems mentioned in the background art.
In view of the above objects, one or more embodiments of the present specification provide an anti-wind apparatus for a rotating shaft of a ship, including: locate ship stern portion stern pipe, fix and locate the cutter subassembly of stern pipe port department, the inside rotation of stern pipe is equipped with the propeller hub, the tip cover of propeller hub is equipped with the screw, the cutter subassembly is including parallel the disturbance pole of the axis of propeller hub and locating chain saw on the stern pipe outer wall, the disturbance pole is located the tip of stern pipe, with the propeller hub is planetary rotation for the axis, the chain saw with disturbance pole power is connected, works as when the disturbance pole rotates, the chain saw cuts the winding thing through rotating.
Optionally, the cutter assembly includes a first housing fixedly disposed at an end of the stern tube, the first housing is cylindrical, a bevel gear disc is rotatably disposed in the first housing, the bevel gear disc is sleeved on an outer wall of the propeller hub, the disturbance rod is rotatably disposed on an end surface of the bevel gear disc, a gear ring is fixedly disposed in an inner cavity of the first housing, a gear matched with the gear ring is sleeved on an outer wall of the disturbance rod, a second housing is sleeved on an outer wall of the first housing, a first rotating shaft is disposed in the second housing, the first rotating shaft vertically penetrates through a side wall of the first housing and extends into the inner cavity of the first housing, bevel gears and side gears are respectively disposed at two ends of the first rotating shaft, the bevel gears are engaged with the bevel gear disc, the side gears are disposed in the inner cavity of the second housing, and a second rotating shaft is rotatably disposed in the inner cavity of the second housing, the utility model discloses a chain saw cover is equipped with No. two sprockets, including the first sprocket, the second sprocket.
Optionally, the outer diameter of the first casing is the same as the outer diameter of the stern tube.
Optionally, the disturbing rod is provided with a plurality of disturbing rods, and the array is arranged on the end face of the conical fluted disc.
Optionally, the diameter of the first belt wheel is the same as that of the second belt wheel, the diameter of the first chain wheel is the same as that of the second chain wheel, and the diameter of the first belt wheel is larger than that of the first chain wheel.
Optionally, the opening is disposed on a side wall of the second casing and is disposed at a side far away from the propeller, a port at one end of the placement groove is communicated with the opening, and the placement groove extends along a length direction of the stern tube.
Optionally, the height of the upper end of the chain saw exceeds the upper end of the placing groove.
Optionally, a spiral knife groove for cutting is arranged on the outer wall of the disturbing rod.
As can be seen from the above description, one or more embodiments of the present disclosure provide an anti-wind device for a rotating shaft of a ship, in which a protective ring is formed outside a hub by rotation of a spoiler, instead of the hub being wound by a winding object, so that the rotation of the propeller is not hindered as long as the hub can rotate; meanwhile, the chain saw driven by the disturbing rod is arranged, so that the wound objects can be effectively cut off; and the winding thing that the disturbance pole can be cleared up fast and be cut off at the rotation in-process prevents to take place the secondary winding.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
Fig. 1 is a schematic view of an overall structure of an anti-wind device for a rotating shaft of a ship according to one or more embodiments of the present disclosure;
fig. 2 is a schematic structural view of a first housing of an anti-wind device for a rotating shaft of a ship according to one or more embodiments of the present disclosure;
fig. 3 is a schematic structural view of a second housing of an anti-wind device for a rotating shaft of a ship according to one or more embodiments of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
This specification provides an embodiment, an antiwind device for a ship rotation shaft, includes: locate the stern pipe of ship stern portion, fix the cutter unit spare of locating stern pipe port department, the inside rotation of stern pipe is equipped with the propeller hub, the tip cover of propeller hub is equipped with the screw, cutter unit spare includes the perturbing lever of the axis of parallel propeller hub and locates the chain saw on the stern pipe outer wall, the perturbing lever is located the tip of stern pipe, do the planet rotation with the propeller hub as the axis, the chain saw is connected with perturbing lever power, when the perturbing lever rotates, the chain saw cuts the winding thing through rotating.
As shown in fig. 1 to 3, as an embodiment of the present invention, an anti-wind apparatus for a ship rotation shaft includes a stern tube 1 disposed at a stern portion of a ship, and a cutter assembly 4 fixedly disposed at a port of the stern tube, wherein a hub 2 is rotatably disposed inside the stern tube 1, a propeller 3 is sleeved on an end portion of the hub 2, the cutter assembly 4 includes a disturbance rod 410 parallel to an axis of the hub 2, and a chain saw 420 disposed on an outer wall of the stern tube 1, the disturbance rod 410 is disposed at an end portion of the stern tube 1, and rotates with the hub 2 as an axis, the chain saw 420 is in power connection with the disturbance rod 410, and when the disturbance rod 410 rotates, the chain saw 420 rotates to cut a wound object.
Specifically, a stern tube 1 is arranged at the stern part of a ship through a frame and plays a supporting role, a driving machine is arranged at one end of the stern tube 1 far away from a propeller 3, a propeller hub 2 is arranged in the stern tube 1, one end of the stern tube is connected by the driving machine power, and the other end of the stern tube is provided with the propeller 3; the cutter assembly 4 is installed at the port of the stern tube 1 through a bolt and comprises a disturbance rod 410 which rotates around a propeller hub 2 in a planetary mode, the disturbance rod 410 is driven to rotate when the propeller hub 2 rotates, meanwhile, the disturbance rod 410 is also in power connection with a chain saw 420, the chain saw 420 is installed on the outer wall of the stern tube 1, the installation direction of the chain saw 420 is along the length direction of the stern tube 1, namely, the chain saw 420 and a wound object are ensured to be at an angle close to the vertical angle, and the cutting efficiency is convenient to improve.
In summary, the provision of the cutter assembly 4 has three major advantages, firstly, the provision of the perturbing rods 410 in planetary rotation about the hub 2, enabling a protective layer to be formed around the outer periphery of the hub 2, instead of the hub 2 being wound; secondly, the disturbance rod 410 can drive the chain saw 420 to rotate in the rotating process, so that the wound objects wound on the outer sides of the stern tube 1 and the propeller hub 2 can be cut, and the propeller 3 can be recovered to be used after the rotation is blocked; thirdly, if the cut winding is not cleaned in time, secondary winding is probably generated greatly, the winding can be wound and reamed in time by rotating the disturbance rod 410, and the propeller hub 2 and the propeller 3 are prevented from being blocked in the rotating process.
In an alternative embodiment, the cutter assembly 4 comprises a first casing 430 fixedly arranged at the end of the stern tube 1, the first casing 430 is cylindrical, one end of the first casing 430 is arranged in a bolt hole at the end of the stern tube 1 through a countersunk bolt, and it is noted that the first casing 430 has a through hole at the end facing the propeller 3 in order not to obstruct the rotation of the disturbance rod 410;
a bevel gear disk 431 is rotatably arranged in the first shell 430, and the diameter of the bevel gear disk 431 is smaller than the inner pipe diameter of the first shell 430, so that interference is avoided during movement; the bevel gear disc 431 is sleeved on the outer wall of the propeller hub 2, and the propeller hub 2 drives the bevel gear disc 431 to rotate when rotating, so that the rotating direction of the bevel gear disc 431 is consistent with the rotating direction of the propeller hub 2;
the end face of the conical fluted disc 431 is provided with a shaft hole, a bearing is installed in the shaft hole, and the disturbing rod 410 is inserted into the bearing, so that the effect of rotatably arranging the disturbing rod on the end face of the conical fluted disc 431 is achieved;
a gear ring 432 is arranged in the inner cavity of the first shell 430, and the gear ring 432 is fixedly connected with the inner wall of the first shell 430 through a countersunk head bolt;
a gear 433 matched with the gear ring 432 is sleeved on the outer wall of the disturbance rod 410, and the gear 433 is fixedly connected with the outer wall of the disturbance rod 410; when the propeller is installed, the gear 433 is engaged with the gear ring 432, when the hub 2 drives the bevel gear 431 to rotate, the disturbance rod 410 is driven to revolve in the same rotation direction, and meanwhile, because the gear 433 is engaged with the gear ring 432, the disturbance rod 410 rotates in the opposite rotation direction while revolving, and it should be noted that: in order to ensure that the protective action of the spoilers 410 on the hub 2 has a reliable effect, at least two groups of spoilers 410 are provided to ensure operation.
The outer wall of the first shell 430 is sleeved with a second shell 440, and the second shell 440 and the first shell 430 can be fixedly connected in a welding manner;
a first rotating shaft 450 is arranged in the second shell 440, and the first rotating shaft 450 vertically penetrates through the side wall of the first shell 430 and extends into the inner cavity of the first shell 430, that is, the installation direction of the first rotating shaft 450 is perpendicular to the axial direction of the hub 2;
two ends of the first rotating shaft 450 are respectively sleeved with a bevel gear 451 and a side gear 452, the bevel gear 451 is positioned in the inner cavity of the first shell 430 and is in meshing transmission with the bevel gear disk 431, and the side gear 452 is positioned in the inner cavity of the second shell 440; the hub 2 rotates to drive the bevel gear disc 431 to rotate, the bevel gear disc 431 rotates to drive the bevel gear 451 to rotate, and the first rotating shaft 450 drives the side gear 452 to rotate;
a second rotating shaft 460 and a third rotating shaft 470 are rotatably arranged in the inner cavity of the second shell 440, and the ends of the second rotating shaft 460 and the third rotating shaft 470 are rotatably mounted on the inner wall of the second shell 440, wherein the second rotating shaft 460 and the third rotating shaft 470 are arranged in parallel;
a transmission gear 461 and a first belt wheel 462 are respectively sleeved on the side wall of the second rotating shaft 460, the transmission gear 461 is in meshed transmission with the side gear 452, a second belt wheel 471 and a first chain wheel 472 are sleeved on the third rotating shaft 470, and a belt 463 is sleeved on the outer walls of the second belt wheel 471 and the first belt wheel 462;
the side wall of the second casing 440 is provided with an opening 441, the position of the opening 441 is communicated with and provided with a placing groove 480, one end of the placing groove 480 far away from the second casing 440 is rotatably provided with a second chain wheel 481, a chain saw 420 is sleeved on the outer walls of the first chain wheel 472 and the second chain wheel 481, and the bottom end of the placing groove 480 is welded on the outer wall of the stern tube 1 and is arranged along the length direction of the stern tube 1.
The specific working mode of the middle cutter assembly 4 in this embodiment is as follows:
firstly, the propeller hub 2 rotates to drive the bevel gear disc 431 to rotate, the bevel gear disc 431 drives the disturbance rod 410 and the bevel gear 451 to rotate respectively, and the disturbance rod 410 performs planetary rotation around the axis of the propeller hub 2 through the matching of the gear 433 and the gear ring 432; bevel gear 451 drives first rotating shaft 450 and side gear 452 to rotate, side gear 452 is meshed with the first rotating shaft 460 and the first belt wheel 462 through transmission gear 461, first belt wheel 462 drives second belt wheel 471 and third rotating shaft 470 to rotate through belt 463, and third rotating shaft 470 drives first chain wheel 472, second chain wheel 481 and chain saw 420 to rotate.
Further, the outer profile diameter of the first casing 430 is the same as the outer diameter of the stern tube 1, and by reducing the gap and edges at the end of the stern tube 1, the flow resistance can be reduced.
Further, the number of the disturbance rods 410 is multiple, the array is arranged on the end face of the conical fluted disc 431, and the number of the disturbance rods 410 is more on the premise that the work is not affected, so that the protection effect is better.
Further, the diameter of the first pulley 462 is the same as that of the second pulley 471, the diameter of the first sprocket 472 is the same as that of the second sprocket 481, and the diameter of the first pulley 462 is larger than that of the first sprocket 472.
Further, the opening 441 is disposed on the side wall of the second casing 440 and is disposed at a side far away from the propeller 3, a port at one end of the disposition groove 480 is communicated with the opening 441, and the disposition groove 480 extends along the length direction of the stern tube 1.
Further, in order to prevent the chain saw 420 from being completely hidden in the seating groove 480 and thus failing to cut the wound object effectively, it should be ensured that the height of the upper end of the chain saw 420 exceeds the upper end of the seating groove 480.
Further, a spiral knife groove for cutting is formed in the outer wall of the disturbing rod 410, the disturbing rod 410 is provided with the knife groove, the cutting effect is achieved in the rotating process, and the anti-winding effect is improved.
In summary, the device is provided with a cutter assembly 4, comprising a disturbance rod 410 and a chain saw 420, which can protect a propeller hub 2 and a propeller 3 before being wound; if the wind-up condition cannot be avoided, the disturbance rod 410 and chain saw 420 cut and remove the wind, freeing the hub 2 from the wind.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (8)
1. An antiwind device for a ship rotating shaft, comprising: locate ship stern portion stern pipe, fix and locate the cutter subassembly of stern pipe port department, the inside rotation of stern pipe is equipped with the propeller hub, the tip cover of propeller hub is equipped with the screw, the cutter subassembly is including parallel the disturbance pole of the axis of propeller hub and locating chain saw on the stern pipe outer wall, the disturbance pole is located the tip of stern pipe, with the propeller hub is planetary rotation for the axis, the chain saw with disturbance pole power is connected, works as when the disturbance pole rotates, the chain saw cuts the winding thing through rotating.
2. The antiwind device for a ship rotating shaft according to claim 1, wherein: the cutter component comprises a first shell fixedly arranged at the end part of the stern tube, the first shell is cylindrical, a bevel gear disc is arranged in the first shell in a rotating manner, the bevel gear disc is sleeved on the outer wall of the propeller hub, the disturbance rod is arranged on the end face of the bevel gear disc in a rotating manner, a gear ring is fixedly arranged in the inner cavity of the first shell, a gear matched with the gear ring is sleeved on the outer wall of the disturbance rod, a second shell is sleeved on the outer wall of the first shell, a first rotating shaft is arranged in the second shell, the first rotating shaft vertically penetrates through the side wall of the first shell and extends into the inner cavity of the first shell, bevel gears and side gears are respectively arranged at two ends of the first rotating shaft, the bevel gears are meshed with the bevel gear disc, the side gears are arranged in the inner cavity of the second shell, and a second rotating shaft is arranged in the inner cavity of the second shell in a rotating manner, the utility model discloses a chain saw cover is equipped with No. two sprockets, including the first sprocket, the second sprocket.
3. The antiwind device for a ship rotating shaft according to claim 2, wherein: the outer diameter of the first casing is the same as the outer diameter of the stern tube.
4. The antiwind device for a ship rotating shaft according to claim 2, wherein: the disturbing rods are provided with a plurality of disturbing rods, and the array is arranged on the end face of the conical fluted disc.
5. The antiwind device for a ship rotating shaft according to claim 2, wherein: the first belt wheel has the same diameter as the second belt wheel, the first chain wheel has the same diameter as the second chain wheel, and the diameter of the first belt wheel is larger than that of the first chain wheel.
6. The antiwind device for a ship rotating shaft according to claim 2, wherein: the opening is arranged on the side wall of the second shell and is arranged at one side far away from the propeller, one end port of the placement groove is communicated with the opening, and the placement groove extends along the length direction of the stern tube.
7. The antiwind device for a ship rotating shaft according to claim 2, wherein: the upper end of the chain saw is higher than the upper end of the placing groove.
8. The antiwind device for a ship rotating shaft according to claim 1, wherein: and a spiral cutter groove for cutting is arranged on the outer wall of the disturbing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890739.XA CN112009660A (en) | 2020-08-29 | 2020-08-29 | Antiwind device for ship rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890739.XA CN112009660A (en) | 2020-08-29 | 2020-08-29 | Antiwind device for ship rotating shaft |
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| Publication Number | Publication Date |
|---|---|
| CN112009660A true CN112009660A (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010890739.XA Pending CN112009660A (en) | 2020-08-29 | 2020-08-29 | Antiwind device for ship rotating shaft |
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| CN (1) | CN112009660A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112644673A (en) * | 2020-12-12 | 2021-04-13 | 安徽卓尔航空科技有限公司 | High-efficiency low-noise power propeller |
| CN112722225A (en) * | 2021-01-29 | 2021-04-30 | 启东恒昊船舶科技有限公司 | Anti-winding device for ship propeller |
| CN114940256A (en) * | 2022-05-09 | 2022-08-26 | 涡阳县信隆船舶附件有限公司 | Antiwind marine rudder shaft |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112644673A (en) * | 2020-12-12 | 2021-04-13 | 安徽卓尔航空科技有限公司 | High-efficiency low-noise power propeller |
| CN112722225A (en) * | 2021-01-29 | 2021-04-30 | 启东恒昊船舶科技有限公司 | Anti-winding device for ship propeller |
| CN114940256A (en) * | 2022-05-09 | 2022-08-26 | 涡阳县信隆船舶附件有限公司 | Antiwind marine rudder shaft |
| CN114940256B (en) * | 2022-05-09 | 2024-04-16 | 涡阳县信隆船舶附件有限公司 | Anti-winding rudder shaft for ship |
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Application publication date: 20201201 |