CN204916142U - Antiwind screw - Google Patents
Antiwind screw Download PDFInfo
- Publication number
- CN204916142U CN204916142U CN201520696509.4U CN201520696509U CN204916142U CN 204916142 U CN204916142 U CN 204916142U CN 201520696509 U CN201520696509 U CN 201520696509U CN 204916142 U CN204916142 U CN 204916142U
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- CN
- China
- Prior art keywords
- blade
- fixture block
- cavity
- propeller hub
- mounting groove
- 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.)
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Abstract
The utility model discloses an antiwind screw has solved use threaded connection blade and propeller hub for the bolt rusts easily, leads to the blade rust to be died on the propeller hub, the problem of inconvenient replacement when the blade weares and teares, and its technical scheme main points are including propeller hub and blade, the blade is fixed on the propeller hub, the propeller hub is equipped with the mounting groove, be equipped with the axle that slides on the blade, the axle that slides is fixed with the fixture block, the fixture block slides with the mounting groove and is connected, first cavity and second cavity that the mounting groove set up including the intercommunication, first cavity is provided with the opening that supplies the fixture block to put into, the second cavity is provided with the baffle that prevents the fixture block and deviate from, still be equipped with the mounting that is used for fixed fixture block in the first cavity, utilize above -mentioned utility model, when blade wearing and tearing needs are replaced, make things convenient for the dismantlement and the installation of blade through mounting groove and fixture block, be difficult for simultaneously getting rusty.
Description
Technical field
The utility model relates to a kind of ship machinery field, and more particularly, it relates to a kind of antiwind screw propeller.
Background technology
Boats and ships navigate by water on the water surface needs a kind of propelling thrust, and marine propeller is exactly to propagate the instrument providing thrust, and its effect is that power-conversion marine powerplant provided becomes thrust, the advance of propelling ship.Screw propeller is exactly a kind of conventional marine propeller, the blade that screw propeller is fixed on propeller hub by propeller hub and some radial directions forms, and screw propeller is installed on stern underwater, obtains power and rotate by driving engine, after pushing water to ship, utilize the antagonistic force of water to promote boats and ships and advance.
But ship is when navigating by water, region between propeller hub and ship stern pedestal is usually wound around by foreign material such as the floating debris in water, fishing net, hawsers, affect the normal work of screw propeller, sometimes also can cause damaging screw propeller, boats and ships and run out of steam, cause a serious accident.
At present, application number is the anti-wrap device that the Chinese patent of 201520077526.X discloses a kind of propeller for vessels, it comprises screw propeller, stern tube shaft shaft bracket and cutter sweep, one end of stern tube shaft is arranged in shaft bracket and is also connected with the output shaft of main frame, one end is connected with screw propeller in addition, cutter sweep comprises moving knife and stationary knife mechanism, moving knife is arranged on the front end face of propeller hub, stationary knife mechanism, comprise stationary knife, stationary knife seat and permanent seat, permanent seat is fixed on shaft bracket on the end face of screw propeller side, one end of stationary knife seat is fixed on permanent seat, one end is fixed with stationary knife in addition, moving knife and stationary knife are all in the form of sheets, moving knife perpendicular to stern tube shaft, stationary knife is parallel to stern tube shaft, the anti-wrap device of this propeller for vessels can utilize the motion of screw propeller to coordinate moving knife, stationary knife mechanism realizes the antiwind of screw propeller, under normal circumstances, blade is threaded connection, but because seawater is equivalent to electrolyte solution, screw is easily corroded, screw and and the inwall of screw be fit tightly, once after getting rusty, screw is made not easily to back-out from screw, thus cause blade not easily to be changed, it is no longer sharp after blade overuses, if more allowing blade replacement may affect antiwind function not in time, so there is certain room for improvement in current used screw propeller.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of a kind of antiwind screw propeller facilitating blade installing/dismounting.
For achieving the above object, the utility model provides following technical scheme: a kind of antiwind screw propeller, comprise propeller hub and blade, described blade is fixed on propeller hub, described propeller hub is provided with mounting groove, described blade is provided with slip shaft, described slip shaft is fixed with fixture block, described fixture block is connected with mounting groove slippage, described mounting groove comprises the first cavity and the second cavity that are communicated with and arrange, described first cavity is provided with the opening put into for fixture block, described second cavity is provided with the baffle plate preventing fixture block from deviating from, the connecting element for fixing fixture block is also provided with in described first cavity.
The utility model is set to further: described baffle plate is provided with two pieces, and two pieces of baffle plates form the chute supplying slip shaft slippage.
The utility model is set to further: described connecting element is set to rubber plug.
The utility model is set to further: the quantity of described blade has 2 at least, and described blade is distributed on an end face of propeller hub around the even circumferential at place, oar Grains axle center.
The utility model is set to further: described propeller hub is provided with the cover plate for laminating opening, described cover plate and propeller hub hinged.
The utility model is set to further: described propeller hub is provided with snap fit, and described snap fit comprises support portion and Access Division, and the lower surface of described Access Division abuts with cover plate.
Compared with prior art, the utility model has the advantage of, by mounting groove and fixture block, blade detouchable is arranged on propeller hub, facilitates the replacement of blade, solve use simultaneously and be threaded, bolt gets rusty easily, and causes blade to become rusty dead on propeller hub, the problem that inconvenience is replaced.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is lateral plan of the present utility model;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is the cutaway view in A-A portion in Fig. 2;
Fig. 5 is the structural representation of B-B in Fig. 2;
Fig. 6 is structural representation of the present utility model;
Fig. 7 is the enlarged diagram in C portion in Fig. 6.
In figure: 1, propeller hub; 2, blade; 3, mounting groove; 4, fixture block; 5, rubber plug; 6, slip shaft; 7, baffle plate; 8, cover plate; 9, the first cavity; 10, the second cavity; 11, opening; 12, chute; 13, support portion; 14, Access Division.
Detailed description of the invention
Referring to figs. 1 through Fig. 7, the utility model is described further.
A kind of antiwind screw propeller, comprise propeller hub 1 and blade 2, described blade 2 is fixed on propeller hub 1, the quantity of described blade 2 has 2 at least, described blade 2 is distributed on an end face of propeller hub 1 around the even circumferential at place, oar Grains axle center, blade 2 arranges multiple effect better can strengthening cutting, blade 2 evenly arranges and blade 2 periphery can be prevented to be uneven, easily to causing by force unbalance in cutting process, affect cutting effect, described propeller hub 1 is provided with mounting groove 3, described blade 2 is provided with slip shaft 6, described slip shaft 6 is fixed with fixture block 4, described fixture block 4 is connected with mounting groove 3 slippage, described mounting groove 3 comprises the first cavity 9 and the second cavity 10 being communicated with and arranging, described first cavity 9 is provided with the opening 11 put into for fixture block 4, described second cavity 10 is provided with the baffle plate 7 preventing fixture block 4 from deviating from, the length of described second cavity 10 and the expanded letter of fixture block 4 isometric, when fixture block 4 just enters in the second cavity 10 completely, the one side of fixture block 4 is conflicted with the bottom surface in the second cavity 10, when beyond the Great Wall rubber plug 5 time, can prevent also having unnecessary space in the second cavity 10, in the process that fixture block 4 is rotated at screw propeller, fixture block 4 is moved in the second cavity 10, affect the use of blade 2, the setting of rubber plug 5 can prevent blade 2 from coming off in rotation process, described baffle plate 7 is provided with two pieces, two pieces of baffle plates 7 form the chute 12 supplying slip shaft 6 slippage, arranging of one piece of baffle plate 7 can rotate in engineering by force unbalance at screw propeller by fixture block 4, make fixture block 4 insecure, the connecting element for fixing fixture block 4 is also provided with in described first cavity 9, described connecting element is set to rubber plug 5, described propeller hub 1 is provided with the cover plate 8 for laminating opening 11, in the process that screw propeller rotates, have and necessarily may can come off by rubber plug 5, cover plate 8 can effectively prevent cover plate 8 described in rubber plug disengaging propeller hub 1 hinged with propeller hub 1, described propeller hub 1 is provided with snap fit, described snap fit comprises support portion 13 and Access Division 14, the one side of close propeller hub 1 end face of described Access Division 14 abuts with cover plate 8, when blade 2 is installed, by the cutter head on blade 2 towards outside the circumference at place, propeller hub 1 axle center, and the fixture block 4 on blade 2 is entered in the first cavity 9 by opening 11, when propping up the bottom interior wall of the first cavity 9, the slip shaft 6 on fixture block 4 is made to move along chute 12, fixture block 4 is made to enter in the second cavity 10, when fixture block 4 enters in the second cavity 10 completely time, rubber plug 5 is filled in the first cavity 9, rubber plug 5 is made to prop up fixture block 4 in the second cavity 10, fixture block 4 is made to loosen, cover plate 8 is covered on opening 11 simultaneously, Access Division 14 is propped up cover plate 8 near the one side of propeller hub 1 end face, open in the process preventing cover plate 8 from rotating at screw propeller.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. an antiwind screw propeller, comprise propeller hub and blade, described blade is fixed on propeller hub, it is characterized in that: described propeller hub is provided with mounting groove, described blade is provided with slip shaft, described slip shaft is fixed with fixture block, described fixture block is connected with mounting groove slippage, described mounting groove comprises the first cavity and the second cavity that are communicated with and arrange, described first cavity is provided with the opening put into for fixture block, described second cavity is provided with the baffle plate preventing fixture block from deviating from, and is also provided with the connecting element for fixing fixture block in described first cavity.
2. antiwind screw propeller according to claim 1, is characterized in that: described baffle plate is provided with two pieces, and two pieces of baffle plates form the chute supplying slip shaft slippage.
3. antiwind screw propeller according to claim 1, is characterized in that: described connecting element is set to rubber plug.
4. the antiwind screw propeller according to claim 1 or 2 or 3, is characterized in that: the quantity of described blade has 2 at least, and described blade is distributed on an end face of propeller hub around the even circumferential at place, oar Grains axle center.
5. antiwind screw propeller according to claim 4, is characterized in that: described propeller hub is hinged with the cover plate for laminating opening.
6. antiwind screw propeller according to claim 5, it is characterized in that: described propeller hub is provided with snap fit, described snap fit comprises support portion and Access Division, and the lower surface of described Access Division abuts with cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520696509.4U CN204916142U (en) | 2015-09-10 | 2015-09-10 | Antiwind screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520696509.4U CN204916142U (en) | 2015-09-10 | 2015-09-10 | Antiwind screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204916142U true CN204916142U (en) | 2015-12-30 |
Family
ID=54965297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520696509.4U Active CN204916142U (en) | 2015-09-10 | 2015-09-10 | Antiwind screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204916142U (en) |
-
2015
- 2015-09-10 CN CN201520696509.4U patent/CN204916142U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |