CN205256627U - But variable pitch propeller advancing device - Google Patents
But variable pitch propeller advancing device Download PDFInfo
- Publication number
- CN205256627U CN205256627U CN201520947060.4U CN201520947060U CN205256627U CN 205256627 U CN205256627 U CN 205256627U CN 201520947060 U CN201520947060 U CN 201520947060U CN 205256627 U CN205256627 U CN 205256627U
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- China
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- pull bar
- propeller hub
- blade
- piston rod
- self
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Abstract
The utility model relates to a but variable pitch propeller advancing device, including promoting mainly the blade, the propeller hub, hydro -cylinder and bolt, wherein, it is equipped with the paddle flange outward to promote mainly the blade, be equipped with the self -aligning ball bearing dish on the propeller hub, be equipped with the swivelling chute on the self -aligning ball bearing dish, be equipped with the cam pin in the swivelling chute, be equipped with the deflexion disk in the propeller hub, be equipped with the piston rod in the hydro -cylinder, be equipped with the push -and -pull rod in the piston rod, piston rod and push -and -pull rod are equipped with the shaft coupling outward, be equipped with a damping disc and the 2nd damping disc on the push -and -pull rod outer wall, be equipped with first spring between a damping disc and the safety cover, the 2nd damping disc is equipped with the second spring with push -and -pull rod rod cover one end, the utility model discloses the shock attenuation is effectual, and high transmission efficiency does benefit to and improves device life and stability.
Description
Technical field
The utility model relates to a kind of adjustable pitch propeller propulsion plant, belongs to screw puopulsion equipment technical field.
Background technology
Screw is to depend on blade to rotate in air or water, engine rotation power is converted into the device of propulsive force, can there be two or more leaf to be connected with hub, the one side backward of leaf is helicoid or a kind of ship's propeller that is similar to helicoid, therefore be widely used in the field such as navigation and aviation, and bending moment screw is to change output torque by the inclination angle of the each blade of change screw, namely in the situation that rotating speed is constant, can change airscrew thrust.
When adjustable pitch propeller propulsion plant of the prior art is applied to ships and light boats driving dynamics device, aquatic products dried rhizome of rehmannia thrust tends to cause screw vibrations, cause device wearing and tearing and irregular operation, minimizing device lifetime, also have the problems such as transmission weak effect, efficiency are low that advance simultaneously.
Utility model content
When the utility model ground object, for the defect of prior art, provide a kind of adjustable pitch propeller propulsion plant, device good damping effect, transmission efficiency is high, is beneficial to and improves device service life and stability.
The utility model is achieved by the following technical solutions:
A kind of adjustable pitch propeller propulsion plant, comprise and promote mainly blade, propeller hub, oil cylinder and bolt, wherein, the described blade of promoting mainly is provided with blade flange outward, passing blade flange and propeller hub by bolt realizes and promotes mainly blade and be connected with propeller hub, the described blade port of promoting mainly is provided with the first groove, described propeller hub is provided with self-aligning ball bearing dish, described self-aligning ball bearing dish is connected with the first groove fit of promoting mainly blade, described self-aligning ball bearing dish is provided with swivelling chute, in described swivelling chute, be provided with cam pin, in described propeller hub, be provided with deflexion disk, described deflexion disk has some projection fan sheets, described projection fan sheet end is provided with the second groove, described the second groove and cam pin are connected, described propeller hub top is connected with kuppe, described propeller hub afterbody is connected with protective cover,
In described oil cylinder, be provided with piston rod, in described piston rod, be provided with pull bar, described piston rod and pull bar coaxially arrange, described piston rod and pull bar are provided with shaft coupling outward, between described shaft coupling and piston rod, be provided with the first self-aligning bearing dish, between described shaft coupling and pull bar, be provided with the second self-aligning bearing dish, described pull bar one end is through protective cover and propeller hub, be connected with deflexion disk, described pull bar outer wall is provided with the first damping disc and the second damping disc, between described the first damping disc and protective cover, be provided with the first spring, described pull bar is provided with pull bar bar cover outward, described pull bar bar cover one end is connected with protective cover, the other end is connected with shaft coupling, described the second damping disc and pull bar bar cover one end are provided with the second spring, described the first spring and the second spring are all positioned at outside pull bar, and coaxially arrange with pull bar.
Above-mentioned a kind of adjustable pitch propeller propulsion plant, wherein, described in promote mainly blade surface and be provided with some water conservancy diversion scales, the even interval of described water conservancy diversion scale arranges.
Above-mentioned a kind of adjustable pitch propeller propulsion plant, is provided with the first sealing ring between described kuppe and propeller hub, be provided with the second sealing ring between described protective cover and propeller hub.
Above-mentioned a kind of adjustable pitch propeller propulsion plant, described oil cylinder is provided with connection shell outward, and described connection shell end face is connected with shaft coupling.
The beneficial effects of the utility model are:
Working method of the present utility model is that in-oil cylinder piston rod drives pull bar to do piston movement, thereby drives deflexion disk piston movement, and cam pin certain angle in swivelling chute is rotatablely moved, and promotes mainly blade varying pitch thereby drive, and realizes progradation; In pull bar progradation, the first damping disc compresses the first spring, and in pull bar pusher process, the second damping disc compresses the second spring, and under fluid impact, the elastic recovery of the first spring and the second spring all plays cushioning effect especially.
Kuppe of the present utility model and water conservancy diversion scale play guide functions; Protective cover plays protective action; Shaft coupling, the first self-aligning bearing dish and the first self-aligning bearing dish, make the coaxial steadiness of piston rod and pull bar stronger, ensures the transmission stability of push-pull effort; The first sealing ring and the second sealing ring make device better tightness.
To sum up, the utility model good damping effect, transmission efficiency is high, is beneficial to and improves device service life and stability.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is that the utility model is promoted mainly blade construction schematic diagram.
Fig. 3 is the utility model self-aligning ball bearing dish structural representation.
Fig. 4 is the utility model deflexion disk structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further.
A kind of adjustable pitch propeller propulsion plant, comprise and promote mainly blade 1, propeller hub 2, oil cylinder 3 and bolt 4, wherein, described blade 1 surface of promoting mainly is provided with some water conservancy diversion scales 5, the even interval of described water conservancy diversion scale 5 arranges, the described outer blade flange 6 that is provided with of blade 1 of promoting mainly, realize and promote mainly blade 1 and be connected with propeller hub through blade flange 6 and propeller hub 2 by bolt 4, described blade 1 port of promoting mainly is provided with the first groove 7, described propeller hub 2 is provided with self-aligning ball bearing dish 8, described self-aligning ball bearing dish 8 is connected with the first groove 7 of promoting mainly blade 1, described self-aligning ball bearing dish 8 is provided with swivelling chute 9, in described swivelling chute 9, be provided with cam pin 10, in described propeller hub 2, be provided with deflexion disk 11, described deflexion disk 11 has some projection fan sheets 12, described projection fan sheet 12 ends are provided with the second groove 13, described the second groove 13 is connected with cam pin 10, described propeller hub 2 tops are connected with kuppe 14, between described kuppe 14 and propeller hub 2, be provided with the first sealing ring 15, described propeller hub 2 afterbodys are connected with protective cover 16, between described protective cover 15 and propeller hub 2, be provided with the second sealing ring 17,
In described oil cylinder 3, be provided with piston rod 18, in described piston rod 18, be provided with pull bar 19, described piston rod 18 and pull bar 19 coaxially arrange, the outer shaft coupling 20 that is provided with of described piston rod 18 and pull bar 19, between described shaft coupling 20 and piston rod 18, be provided with the first self-aligning bearing dish 21, between described shaft coupling 20 and pull bar 19, be provided with the second self-aligning bearing dish 22, outer being provided with of described oil cylinder 3 connects shell 23, described connection shell 23 end faces are connected with shaft coupling 20, described pull bar 19 one end are through protective cover 15 and propeller hub 2, be connected with deflexion disk 11, described pull bar 19 outer walls are provided with the first damping disc 24 and the second damping disc 25, between described the first damping disc 24 and protective cover 16, be provided with the first spring 26, the outer pull bar bar cover 27 that is provided with of described pull bar 19, described pull bar bar overlaps 27 one end and is connected with protective cover 16, the other end is connected with shaft coupling 20, described the second damping disc 25 overlaps 27 one end with pull bar bar and is provided with the second spring 28, described the first spring 26 and the second spring 28 are all positioned at outside pull bar 19, and coaxially arrange with pull bar 19.
Working method of the present utility model is: the piston rod 18 in oil cylinder 3 drives pull bar 19 to do piston movement, thereby drive deflexion disk 11 piston movements, cam pin 10 certain angle in swivelling chute 9 is rotatablely moved, promote mainly blade 1 varying pitch thereby drive, realize progradation; In pull bar 19 progradations, the first damping disc 24 compresses the first spring 26, and in pull bar 19 pusher processes, the second damping disc 25 compresses the second spring 28, and under fluid impact, the elastic recovery of the first spring 25 and the second spring 28 all plays cushioning effect especially.
The above; it is only preferably detailed description of the invention of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, all should be encompassed in protection domain of the present utility model. Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (4)
1. an adjustable pitch propeller propulsion plant, comprise and promote mainly blade, propeller hub, oil cylinder and bolt, it is characterized by, the described blade of promoting mainly is provided with blade flange outward, passing blade flange and propeller hub by bolt realizes and promotes mainly blade and be connected with propeller hub, the described blade port of promoting mainly is provided with the first groove, described propeller hub is provided with self-aligning ball bearing dish, described self-aligning ball bearing dish is connected with the first groove fit of promoting mainly blade, described self-aligning ball bearing dish is provided with swivelling chute, in described swivelling chute, be provided with cam pin, in described propeller hub, be provided with deflexion disk, described deflexion disk has some projection fan sheets, described projection fan sheet end is provided with the second groove, described the second groove and cam pin are connected, described propeller hub top is connected with kuppe, described propeller hub afterbody is connected with protective cover,
In described oil cylinder, be provided with piston rod, in described piston rod, be provided with pull bar, described piston rod and pull bar coaxially arrange, described piston rod and pull bar are provided with shaft coupling outward, between described shaft coupling and piston rod, be provided with the first self-aligning bearing dish, between described shaft coupling and pull bar, be provided with the second self-aligning bearing dish, described pull bar one end is through protective cover and propeller hub, be connected with deflexion disk, described pull bar outer wall is provided with the first damping disc and the second damping disc, between described the first damping disc and protective cover, be provided with the first spring, described pull bar is provided with pull bar bar cover outward, described pull bar bar cover one end is connected with protective cover, the other end is connected with shaft coupling, described the second damping disc and pull bar bar cover one end are provided with the second spring, described the first spring and the second spring are all positioned at outside pull bar, and coaxially arrange with pull bar.
2. a kind of adjustable pitch propeller propulsion plant as claimed in claim 1, is characterized by, described in promote mainly blade surface and be provided with some water conservancy diversion scales, the even interval of described water conservancy diversion scale arranges.
3. a kind of adjustable pitch propeller propulsion plant as claimed in claim 1, is characterized by, and is provided with the first sealing ring between described kuppe and propeller hub, is provided with the second sealing ring between described protective cover and propeller hub.
4. a kind of adjustable pitch propeller propulsion plant as claimed in claim 1, is characterized by, and described oil cylinder is provided with connection shell outward, and described connection shell end face is connected with shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520947060.4U CN205256627U (en) | 2015-11-25 | 2015-11-25 | But variable pitch propeller advancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520947060.4U CN205256627U (en) | 2015-11-25 | 2015-11-25 | But variable pitch propeller advancing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205256627U true CN205256627U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520947060.4U Active CN205256627U (en) | 2015-11-25 | 2015-11-25 | But variable pitch propeller advancing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205256627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416546A (en) * | 2015-11-25 | 2016-03-23 | 镇江同舟螺旋桨有限公司 | Propeller propelling plant with controllable pitch |
-
2015
- 2015-11-25 CN CN201520947060.4U patent/CN205256627U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416546A (en) * | 2015-11-25 | 2016-03-23 | 镇江同舟螺旋桨有限公司 | Propeller propelling plant with controllable pitch |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |