CN103612735A - Propeller device with adjustable pitch - Google Patents
Propeller device with adjustable pitch Download PDFInfo
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- CN103612735A CN103612735A CN201310532977.3A CN201310532977A CN103612735A CN 103612735 A CN103612735 A CN 103612735A CN 201310532977 A CN201310532977 A CN 201310532977A CN 103612735 A CN103612735 A CN 103612735A
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- crank pin
- propeller
- blade
- sealing
- hole
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Abstract
The invention discloses a propeller device with an adjustable pitch, and belongs to the field of propeller devices. The propeller device with the adjustable pitch comprises a paddle flange, a crank pin disc with a first through hole and a propeller hub body, the crank pin disc is installed in the propeller hub body in a clamped mode, the paddle flange is installed on the crank pin disc, a sealing mechanism is installed in the first through hole in a sealing mode, and a first sealing device is arranged between the crank pin disc and the propeller hub body. According to the propeller device with the adjustable pitch, due to the fact that the sealing device is additionally arranged on the crank pin disc and a one-way valve is arranged on the sealing device, seawater is prevented from entering the propeller device with the adjustable pitch after the paddle flange is dismounted, underwater disassembly of the propeller device with the adjustable pitch is achieved, paddles do not need to be sent in a dock to be repaired for replacement, the propeller device with the adjustable pitch can be dismounted and repaired more conveniently, and the propeller device with the adjustable pitch has the advantages of saving time, being low in cost and the like.
Description
Technical field
The present invention relates to propeller arrangement field, particularly a kind of adjustable propeller arrangement.
Background technology
Adjustable propeller arrangement can rapidly, directly carry out remote control from operator's compartment, or jointly controls hull with main frame, makes boats and ships have good maneuvering performance, is also convenient to realize the automation of boats and ships.Adjustable propeller arrangement can make full use of main engine power, in boats and ships varying duty situation, increases thrust or fuel saving, and its excellent backing performance is also useful to the life-span of prolongation main frame.Plurality of advantages based on above-mentioned, adjustable propeller arrangement is widely applied in numerous propelling units now.
Existing adjustable propeller arrangement comprises blade flange, is fixed on blade, blade bolt, crank pin disk, propeller hub body, piston rod and blade seal ring on blade flange.Crank pin disk is installed in propeller hub body, blade flange is arranged on crank pin disk by blade bolt, and the limit of blade flange is prolonged with propeller hub body and is closely connected, the spindle central of crank pin disk is provided with through hole, for the lubricating oil of propeller hub body is imported to the gap between blade flange and crank pin disk, blade seal ring is arranged between blade flange and propeller hub body, to prevent that lubricating oil from overflowing from the gap between blade flange and propeller hub body, piston rod level is arranged on crank pin disk bottom, centered by the rotating shaft of piston rod, the parts of this adjustable propeller arrangement are arranged symmetrically with.At adjustable propeller arrangement, change in the process of pitch, piston rod is meeting along continuous straight runs axial motion under the driving of hydraulic power, thereby drive crank pin disk to rotate at its spindle central, crank pin disk drives blade flange and blade to rotatablely move again, play and become the effect of blade pitch.
In realizing process of the present invention, contriver finds that prior art at least exists following problem:
In adjustable propeller arrangement, blade there will be the situation of damage, for existing controllable pitch propeller device, when changing blade, needs to remove blade flange, and seawater will enter in propeller hub body and cannot get rid of like this.For avoiding seawater to enter in propeller hub body, boats and ships must drive into dock and keep in repair, and the cost of dockage maintenance is huge, and then have improved the maintenance cost of adjustable propeller arrangement.
Summary of the invention
In order to solve the high problem of adjustable propeller arrangement maintenance cost in prior art, the embodiment of the present invention provides a kind of adjustable propeller arrangement.Described technical scheme is as follows:
The invention provides a kind of adjustable propeller arrangement, comprise blade flange, with crank pin disk and the propeller hub body of the first through hole, described crank pin disk is installed in described propeller hub body, described blade flange is installed on described crank pin disk, in described the first through hole, be sealed and installed with sealing mechanism, between described crank pin disk and propeller hub body, be provided with the first sealing arrangement.
Alternatively, described sealing mechanism is check valve, the outlet of described check valve is towards described blade flange, described check valve comprises valve body, spool and spring, described valve seal is arranged in described the first through hole, described spool is by described pressure mounting of the spring in described valve body, and described spool and described blade flange offset.
Alternatively, described the first sealing arrangement is O RunddichtringO.
Alternatively, the top of described blade flange is provided with the interface that draws water, described in the interface that draws water be communicated with the gap between described blade flange and described valve body.
Alternatively, described in the Bian Yanyu of described blade flange, between propeller hub body, be provided with blade seal ring.
Alternatively, described blade flange is installed on described crank pin disk by blade bolt, on described blade bolt, is provided with the second through hole.
Alternatively, on described the second through hole, be provided with sealing plug.
Alternatively, described the second through hole is arranged on the line of centers of described blade bolt.
Alternatively, described in the interface that draws water be connected with one end of outer extension spray lance, and described outer extension spray lance is communicated with lift pump.
Alternatively, be provided with the second sealing arrangement on the contact surface of described valve body and described crank pin disk, described the second sealing arrangement is also O RunddichtringO.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: adjustable propeller arrangement provided by the invention, by installing sealing arrangement additional and check valve is installed on sealing arrangement on crank pin disk, realized after pulling down blade flange, prevent from entering in adjustable propeller arrangement seawater, realized the dismounting under water of adjustable propeller arrangement, make to change blade without the repairing that lies up, and dismounting and maintenance adjustable propeller arrangement possess conveniently, save time and the advantage such as low-cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the adjustable propeller arrangement that provides of the embodiment of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of the check valve that provides of the embodiment of the present invention in opening;
Fig. 4 is the structural representation of the check valve that provides of the embodiment of the present invention in closed condition;
Fig. 5 is the structural representation of the adjustable propeller arrangement that is connected with outer extension spray lance that provides of the embodiment of the present invention.
In figure: 1-blade flange, 2-crank pin disk, 2a-the first through hole, 3-propeller hub body, 4-valve body, 5-check valve, 5a-spool, 5b-spring, 6-the draw water outer extension spray lance of interface, 7-screw, 8-, 9-the second sealing arrangement, 10-the first sealing arrangement, 11-blade bolt, 11a-the second through hole, 12-blade seal ring.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment
Referring to Fig. 1 and Fig. 2, the invention provides a kind of adjustable propeller arrangement, comprise blade flange 1, with crank pin disk 2 and the propeller hub body 3 of the first through hole 2a, blade bolt 11 is installed on crank pin disk 2, in the first through hole 2a, sealing mechanism is installed, between crank pin disk 2 and propeller hub body 3, is provided with the first sealing arrangement 10.
Alternatively, sealing mechanism is check valve 5, and the outlet of check valve 5 is towards blade flange 1, check valve 5 comprises valve body 4, spool 5a and spring 5b, valve body 4 sealings are arranged in the first through hole 2a, and spool 5a is fitted in valve body 4 by spring 5b, and spool 5a and blade flange 1 offset.Spool 5a stretches in the valve body of check valve 5 by the extruding of blade flange 1, realizes the unlatching of check valve 5, referring to Fig. 3, at blade flange 1, removes the valve body 4 that back valve core 5a stretches out check valve 5, realizes closing of this check valve 5, referring to Fig. 4.Particularly, crank pin disk 2 is provided with groove near the circumference along the first through hole 2a on the end face of blade flange 1 side, on the end face of groove, be provided with the second tapped bore, and be arranged on groove on the outer of valve body 4, on the outer of valve body 4, be provided with the counterbore with the corresponding layout of the second tapped bore, screw 7 is arranged in the second tapped bore through counterbore.Further, this counterbore is six, and along the outer equidistant placement of valve body 4.In addition, this counterbore and matching used the second tapped bore also can be selected the quantity arranging according to specific circumstances.This valve body 4 also can adopt welding to wait with crank pin disk 2 and be fixedly connected with mode.
Alternatively, the first sealing arrangement 10 is O RunddichtringO.
Alternatively, the top of blade flange 1 is provided with the interface 6 that draws water, and the interface 6 that draws water is communicated with the gap between blade flange 1 and valve body 4.The interface 6 that draws water can prevent from being trapped in blade flange 1, propeller hub body 3 and crank pin disk 2 middle seawater and because of space compression, produce internal pressure, and to device, sealing impacts, and the interface 6 that draws water can be beneficial to blade bolt 11 and tighten.
Alternatively, the limit of blade flange 1 prolong and propeller hub body 3 between be provided with blade seal ring 12.This blade seal ring 12 can effectively be avoided, between blade flange 1 and propeller hub body 3, undue wear occurs.
Alternatively, blade flange 1 is installed on crank pin disk 2 by blade bolt 11, is provided with the second through hole 11a on blade bolt 11.In tightening the process of blade bolt 11, the blade bolt 11 that the second through hole 11a is not set can be by the seawater compression being trapped in tapped bore, consequent pressure can hinder blade bolt 11 and be tightened, by this second through hole 11a is set, can by the second through hole 11a, the seawater in tapped bore be drained in time, be beneficial to and screw blade bolt 11.
Alternatively, on the second through hole 11a, be provided with sealing plug.When screwing blade bolt 11, open sealing plug, the seawater being trapped in the first tapped bore can be discharged by the second through hole 11a, after blade bolt 11 is tightened, then seals the second through hole 11a with sealing plug, prevents that extraneous seawater from entering tapped bore.
Alternatively, the second through hole 11a is arranged on the line of centers of blade bolt 11, makes the second through hole 11a can more approach the bottom of tapped bore, drains more seawater in tapped bore.
Alternatively, as shown in Figure 5, the interface 6 that draws water is connected with one end of outer extension spray lance 8, and outer extension spray lance 8 is communicated with lift pump.This interface 6 that draws water is discharged by external lift pump the remaining seawater being enclosed between blade flange 1, crank pin disk 2 and propeller hub body 3, the other end of outer extension spray lance 8 can stretch out sea, in addition, also can directly on the interface 6 that draws water, lift pump be installed, the remaining seawater between blade flange 1, crank pin disk 2 and propeller hub body 3 is extracted out.
Alternatively, on valve body 4 with on the contact surface of crank pin disk 2, to be provided with the second sealing arrangement 9, the second sealing arrangements 9 can be also O RunddichtringO.
Adjustable propeller arrangement provided by the invention, by installing sealing arrangement additional and check valve is installed on sealing arrangement on crank pin disk, realized after pulling down blade flange, prevent from entering in adjustable propeller arrangement seawater, realized the dismounting under water of adjustable propeller arrangement, make to change blade without the repairing that lies up, and dismounting and maintenance adjustable propeller arrangement possess conveniently, save time and the advantage such as low-cost.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an adjustable propeller arrangement, comprise blade flange (1), with crank pin disk (2) and the propeller hub body (3) of the first through hole (2a), described crank pin disk (2) is installed in described propeller hub body (3), described blade flange (1) is installed on described crank pin disk (2), it is characterized in that, in described the first through hole (2a), be sealed and installed with sealing mechanism, between described crank pin disk (2) and propeller hub body (3), be provided with the first sealing arrangement (10).
2. adjustable propeller arrangement according to claim 1, it is characterized in that, described sealing mechanism is check valve (5), the outlet of described check valve (5) is towards described blade flange (1), described check valve (5) comprises valve body (4), spool (5a) and spring (5b), described valve body (4) sealing is arranged in described the first through hole (2a), described spool (5a) is fitted in described valve body (4) by described spring (5b), and described spool (5a) offsets with described blade flange (1).
3. adjustable propeller arrangement according to claim 2, is characterized in that, described the first sealing arrangement (10) is O RunddichtringO.
4. according to the adjustable propeller arrangement described in claim 2 or 3, it is characterized in that, the top of described blade flange (1) is provided with the interface that draws water (6), described in the interface (6) that draws water be communicated with the gap between described blade flange (1) and described valve body (4).
5. adjustable propeller arrangement according to claim 1, is characterized in that, is provided with blade seal ring (12) described in the Bian Yanyu of described blade flange (1) between propeller hub body (3).
6. adjustable propeller arrangement according to claim 4, is characterized in that, it is upper that described blade flange (1) is installed on described crank pin disk (2) by blade bolt (11), is provided with the second through hole (11a) on described blade bolt (11).
7. adjustable propeller arrangement according to claim 6, is characterized in that, on described the second through hole (11a), is provided with sealing plug.
8. adjustable propeller arrangement according to claim 6, is characterized in that, described the second through hole (11a) is arranged on the line of centers of described blade bolt (11).
9. adjustable propeller arrangement according to claim 4, is characterized in that, described in the interface (6) that draws water be connected with one end of outer extension spray lance (8), and described outer extension spray lance (8) is communicated with lift pump.
10. adjustable propeller arrangement according to claim 2, is characterized in that, between described valve body (4) and described crank pin disk (2), has the second sealing arrangement (9), and described the second sealing arrangement (9) is also O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310532977.3A CN103612735B (en) | 2013-11-01 | 2013-11-01 | Propeller device with adjustable pitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310532977.3A CN103612735B (en) | 2013-11-01 | 2013-11-01 | Propeller device with adjustable pitch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103612735A true CN103612735A (en) | 2014-03-05 |
| CN103612735B CN103612735B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310532977.3A Active CN103612735B (en) | 2013-11-01 | 2013-11-01 | Propeller device with adjustable pitch |
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| CN (1) | CN103612735B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416547A (en) * | 2015-11-25 | 2016-03-23 | 镇江同舟螺旋桨有限公司 | 1100TEU container ship with novel propeller |
| CN109070980A (en) * | 2016-04-27 | 2018-12-21 | 川崎重工业株式会社 | Marine propeller |
| CN109649617A (en) * | 2018-12-14 | 2019-04-19 | 南京高精船用设备有限公司 | A kind of novel propeller propeller hub |
| CN110608848A (en) * | 2019-09-30 | 2019-12-24 | 华中科技大学 | Device and method for testing whole dynamic seal machine of propeller hub of adjustable propeller |
| CN111196340A (en) * | 2018-11-20 | 2020-05-26 | 威廉·爱德华多·斯卡基 | Variable pitch sailboat propeller with gearless automatic return to feathered position |
| CN112660353A (en) * | 2020-12-31 | 2021-04-16 | 天津中海油能源发展油田设施管理有限公司 | Novel marine adjustable oar propeller hub seal structure |
| CN114310153A (en) * | 2021-11-11 | 2022-04-12 | 武汉船用机械有限责任公司 | Machining method of adjustable pitch propeller crank disc |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB822469A (en) * | 1957-04-15 | 1959-10-28 | Hindmarch Thomas | Thread and nut actuation of marine controllable pitch propeller |
| EP0297162B1 (en) * | 1987-07-03 | 1991-09-18 | Peter Müller | Variable-pitch propellor for water-borne vessels |
| EP0367623B1 (en) * | 1988-11-04 | 1992-07-22 | Ulstein Propeller A/S | Improvement in variable pitch propellers |
| EP0990585A2 (en) * | 1998-09-28 | 2000-04-05 | Peter Müller | Controllable-pitch propeller, especially for sport boats |
| CN201516918U (en) * | 2009-09-21 | 2010-06-30 | 武汉船用机械有限责任公司 | Anti-silt type adjustable pitch propeller |
| CN202381694U (en) * | 2011-12-29 | 2012-08-15 | 江苏华阳重工股份有限公司 | Sealing device for blade of controllable-pitch propeller |
-
2013
- 2013-11-01 CN CN201310532977.3A patent/CN103612735B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB822469A (en) * | 1957-04-15 | 1959-10-28 | Hindmarch Thomas | Thread and nut actuation of marine controllable pitch propeller |
| EP0297162B1 (en) * | 1987-07-03 | 1991-09-18 | Peter Müller | Variable-pitch propellor for water-borne vessels |
| EP0367623B1 (en) * | 1988-11-04 | 1992-07-22 | Ulstein Propeller A/S | Improvement in variable pitch propellers |
| EP0990585A2 (en) * | 1998-09-28 | 2000-04-05 | Peter Müller | Controllable-pitch propeller, especially for sport boats |
| CN201516918U (en) * | 2009-09-21 | 2010-06-30 | 武汉船用机械有限责任公司 | Anti-silt type adjustable pitch propeller |
| CN202381694U (en) * | 2011-12-29 | 2012-08-15 | 江苏华阳重工股份有限公司 | Sealing device for blade of controllable-pitch propeller |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416547A (en) * | 2015-11-25 | 2016-03-23 | 镇江同舟螺旋桨有限公司 | 1100TEU container ship with novel propeller |
| CN105416547B (en) * | 2015-11-25 | 2018-06-29 | 镇江同舟螺旋桨有限公司 | A kind of 1100TEU container ships with propeller |
| CN109070980A (en) * | 2016-04-27 | 2018-12-21 | 川崎重工业株式会社 | Marine propeller |
| CN109070980B (en) * | 2016-04-27 | 2020-07-28 | 川崎重工业株式会社 | Marine propeller |
| CN111196340A (en) * | 2018-11-20 | 2020-05-26 | 威廉·爱德华多·斯卡基 | Variable pitch sailboat propeller with gearless automatic return to feathered position |
| CN109649617A (en) * | 2018-12-14 | 2019-04-19 | 南京高精船用设备有限公司 | A kind of novel propeller propeller hub |
| CN110608848A (en) * | 2019-09-30 | 2019-12-24 | 华中科技大学 | Device and method for testing whole dynamic seal machine of propeller hub of adjustable propeller |
| CN110608848B (en) * | 2019-09-30 | 2021-02-26 | 华中科技大学 | Device and method for testing whole dynamic seal machine of propeller hub of adjustable propeller |
| CN112660353A (en) * | 2020-12-31 | 2021-04-16 | 天津中海油能源发展油田设施管理有限公司 | Novel marine adjustable oar propeller hub seal structure |
| CN114310153A (en) * | 2021-11-11 | 2022-04-12 | 武汉船用机械有限责任公司 | Machining method of adjustable pitch propeller crank disc |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103612735B (en) | 2017-01-11 |
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