CN101723073A - Hydro-cylinder post-positioned pitch-adjustable propeller - Google Patents
Hydro-cylinder post-positioned pitch-adjustable propeller Download PDFInfo
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- CN101723073A CN101723073A CN200910152986A CN200910152986A CN101723073A CN 101723073 A CN101723073 A CN 101723073A CN 200910152986 A CN200910152986 A CN 200910152986A CN 200910152986 A CN200910152986 A CN 200910152986A CN 101723073 A CN101723073 A CN 101723073A
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Abstract
The invention discloses a hydro-cylinder post-positioned pitch-adjustable propeller, comprising a propeller hub part, an oil tube part, a pitch feedback device and an oil distributor. The propeller is characterized in that a hydro-cylinder is arranged at the rear end of the propeller hub and a push-and-pull rod is spared. The improvement has the beneficial effects that: 1, mounting space of axis is saved, mounting is convenient, and loss in power transmission process is less; 2, the inner space of propeller axis and intermediate shaft is small; 3, the hydro-cylinder is connected with the oil distributor by the oil tube without restriction in distance; 4, structure is simple, mounting space of axis is saved, reliability is improved, cost is reduced, and service life of equipment is prolonged; 5, the diameter of propeller blade is not restricted. In the structure, a guide frame of hydro-cylinder piston and propeller hub bears thrust and pulling force produced by propeller blade, thus only requiring that the propeller hub part and hydro-cylinder part are ensured to be capable of bearing thrust produced by the propeller blade; and the hydro-cylinder is arranged at the side of the propeller blade, thus power is sufficient.
Description
Technical field
The present invention relates to boats and ships basic propulsion system tuning for Controllable Pitch Propeller, specifically a kind of hydro-cylinder post-positioned pitch-adjustable propeller.
Background technology
The new construction of current trend is in the world, and operating cylinder is integrated in the propeller hub, and oil distributor is placed on the gearbox output shaft front end, and this structure helps being fit to high-power, long axis system.And traditional structure is a kind of push-and-pull rod-type, and this structure is subjected to the pull bar dimensional restriction, can not be excessive, transmit main engine power often below 3000KW, and if oil distributor be placed on the axle, volume is relatively large, wearing and tearing and vibration aggravation, the cost height, domestic still do not have a producer that this type of oil distributor is provided.
With reference to Fig. 1, the preposition MMS structure of the propeller hub of conventional confguration such as French Ma Sen, he is mainly by forming with the lower part: propeller hub parts 1, pull bar 2, pitch positioner 4, oil cylinder 6, high pressure fuel pipe 20, oil distributor 21.
High pressure oil is by the oil distributor 21 of gearbox output shaft front end, enter in the hydraulic ram 6 with the oil pipe 20 in the gearbox output shaft, piston in the hydraulic ram 6 is that pull bar 2 links to each other with being positioned at thin axle of oar axle in-to-in, and the other end of pull bar 2 leads in the propeller hub 1, can drive blade and rotate.When the two-way hydraulic fluid pressure of input changed, the variation of oil cylinder 6 inner carrier pressure at two ends was moved it vertically, drives pull bar simultaneously, rotated blade, changed blade pitch.
Mainly there is following defective in this structure:
1, suitable power is generally less than 2000KW, the highest 3000kw that is not more than.Along with the increase of power, the thrust that blade produces will inevitably increase, and required thrust of bearing of pull bar and pulling force also can increase, and in order to prevent the pull bar fracture, can only increase its diameter.But the pull bar diameter is excessive, can make the external diameter of oar axle become big, if surpass the propeller hub restriction, can only get bigger propeller hub, and the performance to oar can exert an influence like this.And after the increasing of the weight of pull bar, the power waste of Xiao Haoing can be bigger in the above, and serious meeting has influence on the response time that blade pitch changes.
2, the length of pull bar generally can not be greater than 12 meters.If long, required on the one hand to push away Fang Huigeng big, and the loss in the power transmission process is bigger, and pull bar can flexural deformation on the other hand, in oar axle rotation process, makes the vibration aggravation, and supervene noise, also has relatively difficulty of the purchasing of raw materials.The not only difficult buying of raw material of words that same oar axle is oversize, heat treatment quenching and tempering is equally also difficult.
3, if use oil distributor is placed on structure on the axle, can reduce the length of pull bar really, but this oil distributor is bulky, the vibration aggravation, the cost height, the life-span is short.
4, the position of oil cylinder is positioned at axle and fastens, and the boats and ships for minor axis system are restricted on the space easily.
5, for Tiebar structure, intensity is limited, and diameter of propeller blade generally can not be greater than 4m.
Summary of the invention
From last surface analysis as can be known, because the restriction of pull bar and oil cylinder position can only provide in the 2000kw power, and diameter of propeller blade is not more than 4 meters, axle is the adjustable oar propulsion system of length within 15 meters in the MMS structure.The objective of the invention is to overcome above deficiency, and the adjustable oar propulsion system of a kind of blade absorbed power between 1000KW～5000KW is provided, diameter of propeller blade is between 1.5 meters～5 meters, and axle is the corollary system of length within 40 meters.
The technical scheme that addresses the above problem employing is: hydro-cylinder post-positioned pitch-adjustable propeller, comprise propeller hub parts, oil pipe parts, and pitch positioner and oil distributor is characterized in that:
Described cylinder part is positioned at the propeller hub rear end, comprises oil cylinder and the piston that sets within it, and described piston can move forward and backward under the effect of power fluid;
Described propeller hub parts comprise propeller hub, saddle and blade seat, and described saddle one end links to each other with piston, can be with piston motion, and the other end is bearing on the oar axle, and described blade seat is arranged on the propeller hub, and described saddle moves in propeller hub;
Described oil pipe parts are positioned at the inside of oar axle, comprise inner oil tube and outer oil pipe, and described outer oil pipe is enclosed within the inner oil tube outside, and described inner oil tube is communicated with the back cavity A of oil cylinder, and outer oil pipe is communicated with the ante-chamber B of oil cylinder by saddle; Inner oil tube one end is fixed on the piston, can be with piston motion; Outer oil pipe is fixed on the oar axle;
The pitch positioner is placed on the split plunging joint of fastening, and fixes with an end of inner oil tube, can move with inner oil tube;
Oil distributor is fixed on the gearbox output shaft front end, there is one section high pressure fuel pipe gearbox output shaft inside, this oil pipe is welded after being nested together by two oil pipes, wherein can move two road binders, lead up to inner oil tube inside, another road is by the gap between two oil pipes, and oil distributor is transported to axle by this oil pipe with power fluid and fastens.
Hydro-cylinder post-positioned pitch-adjustable propeller of the present invention is compared with conventional confguration, and main not being both is placed on the propeller hub rear end with hydraulic ram, cancelled pull bar.Improved like this benefit has:
1, oil cylinder is positioned at the propeller hub rear end, has saved the installing space of axle system, and when equipment was loaded onto ship, oil cylinder and propeller hub can be used as an integral body, and be easy for installation simultaneously; Oil cylinder and blade distance are near, reduce the loss in power transmission process.
2, oar axle and tween drive shaft are inner only need to leave the space that oil pipe is installed, and this size is much smaller than the pull bar necessary diameter, and particularly when requiring the blade absorbed power big, tubing size can be constant, and pull bar must increase step by step.In the power range that propeller hub can bear, all can use this new structure, and need not consider other influence that power is excessive.
3, be connected by oil pipe between oil cylinder and the oil distributor, on distance without limits.
4, oil distributor can be installed in the gear case front end, and does not need to use complicated axle to go up the structure of oil distributor.Comparatively speaking, saved the installing space of axle system, reliability strengthens, and cost-cutting prolongs equipment life.
5, diameter of propeller blade is unrestricted.In this structure, the saddle in oil cylinder piston and the propeller hub bears thrust and the pulling force that blade produces, and only needs to guarantee that propeller hub parts and cylinder part can bear the thrust that blade produces; And oil cylinder is placed in blade next door, power abundance.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of existing adjustable pitch propeller.
Fig. 2 is existing adjustable pitch propeller latter half scheme drawing, 1-propeller hub among the figure, 2-pull bar, 3 oar axles, 4-pitch positioner, 5-piston, 6-oil cylinder, 7 oil-distributing plates.
Fig. 3 is existing adjustable pitch propeller first half scheme drawing.
Fig. 4 is the structural representation of hydro-cylinder post-positioned pitch-adjustable propeller latter half of the present invention.
Fig. 5 is the structural representation of hydro-cylinder post-positioned pitch-adjustable propeller first half of the present invention.
The specific embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, the structure of existing adjustable pitch propeller, its defective front was described, and did not repeat them here.
With reference to Fig. 4, Fig. 5, hydro-cylinder post-positioned pitch-adjustable propeller of the present invention comprises propeller hub parts, oil pipe parts, pitch positioner 18 and oil distributor.
Described cylinder part is positioned at propeller hub 12 rear ends, comprises oil cylinder 9 and the piston 10 that sets within it, and described piston 10 can move forward and backward under the effect of power fluid.
Described propeller hub parts comprise propeller hub 11, saddle 12 and blade seat 13, described saddle 12 1 ends link to each other with piston 10, can be with piston 10 motions, and the other end is bearing on the oar axle 15, described blade seat 13 is arranged on the propeller hub 11, and described saddle 12 is connected with blade seat 13.When saddle 12 moved vertically, can drive blade was the rotation of axis with the propeller center, thereby changed blade pitch.
Described oil pipe parts are positioned at the inside of oar axle 15, comprise inner oil tube 14 and outer oil pipe 16, and described outer oil pipe 16 is enclosed within inner oil tube 14 outsides, and described inner oil tube 14 is communicated with the back cavity A of oil cylinder 9, and outer oil pipe 16 is communicated with the ante-chamber B of oil cylinder 9 by saddle 12; Inner oil tube 14 1 ends are fixed on the piston 10, can be with piston 10 motions; Outer oil pipe 16 is fixed on the oar axle 16.
The pitch positioner is placed on the split plunging joint of fastening, and fixes with an end of inner oil tube, can move with inner oil tube.By measuring the pitch angle that this amount of movement calculates blade.
Oil distributor is fixed on the gearbox output shaft front end, there is one section high pressure fuel pipe gearbox output shaft inside, this oil pipe is welded after being nested together by two oil pipes, wherein can move two road binders, lead up to inner oil tube inside, another road is by the gap between two oil pipes, and oil distributor is transported to axle by this oil pipe with power fluid and fastens.
Principle of work of the present invention is as follows:
Power fluid, arrives in the oil cylinder through oil distributor and oil pipe by exterior hydraulic power unit.The oil-distributing plate that axle is fastened all has oilhole on split flange and the plunging joint, there is sealing member the junction.The actuator port at oil distributor place has two-way, leads up to inner oil tube 14 inside, and another road is by outer oil pipe 16 and saddle 12.When needs change pitch angle, make blade pitch when positive pitch direction changes, regulate the external hydraulic pumping plant, make power fluid through the inner oil tube 14 inner oil cylinder back cavity A that arrive, promote piston 10 and travel forward, blade pitch increases.Behind the stop control lever, rely on the balance cock on the oil distribution casing 19 to make piston 10 be fixed on needed position.If wish that blade pitch diminishes, only need make power fluid through outer oil pipe 16 and saddle 12, pass to oil cylinder ante-chamber B, promote piston 10 and move backward, stop oil transportation then.
What should be understood that is: the foregoing description is just to explanation of the present invention, rather than limitation of the present invention, and any innovation and creation that do not exceed in the connotation scope of the present invention all fall within protection scope of the present invention.
Claims (1)
1. hydro-cylinder post-positioned pitch-adjustable propeller comprises propeller hub parts, oil pipe parts, and pitch positioner (18) and oil distributor is characterized in that:
Described cylinder part is positioned at propeller hub (11) rear end, the piston (10) that comprises oil cylinder (9) and set within it, and described piston (10) can move forward and backward under the effect of power fluid;
Described propeller hub parts comprise propeller hub (11), saddle (12) and blade seat (13), described saddle (12) one ends link to each other with piston (10), can move with piston (10), the other end is bearing in (15) on the oar axle, described blade seat (13) is arranged on the propeller hub (11), described saddle (12) is connected with blade seat (13), and blade seat (13) moves axially and rotates with saddle;
Described oil pipe parts are positioned at the inside of oar axle (15), comprise inner oil tube (14) and outer oil pipe (16), described outer oil pipe (16) is enclosed within inner oil tube (14) outside, described inner oil tube (14) is communicated with the back cavity (A) of oil cylinder (9), and outer oil pipe (16) is communicated with the ante-chamber (B) of oil cylinder (9) by saddle (12); Inner oil tube (14) one ends are fixed on the piston (10), can move with piston (10); Outer oil pipe (16) is fixed on the oar axle (15);
Described pitch positioner (18) is placed on the split plunging joint (17) of fastening, and fixes with an end of inner oil tube (14), can move with inner oil tube (14);
Described oil distributor is fixed on the gearbox output shaft front end, there is one section high pressure fuel pipe gearbox output shaft inside, this oil pipe is welded after being nested together by two oil pipes, wherein can move two road binders, lead up to inner oil tube inside, another road is by outer oil pipe, and oil distributor is transported to axle by this oil pipe with power fluid and fastens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910152986A CN101723073A (en) | 2009-09-24 | 2009-09-24 | Hydro-cylinder post-positioned pitch-adjustable propeller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910152986A CN101723073A (en) | 2009-09-24 | 2009-09-24 | Hydro-cylinder post-positioned pitch-adjustable propeller |
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| CN101723073A true CN101723073A (en) | 2010-06-09 |
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| CN200910152986A Pending CN101723073A (en) | 2009-09-24 | 2009-09-24 | Hydro-cylinder post-positioned pitch-adjustable propeller |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180251A (en) * | 2011-04-28 | 2011-09-14 | 杭州前进齿轮箱集团股份有限公司 | Adjustable propeller hub for ship thruster |
| CN102180250A (en) * | 2011-04-28 | 2011-09-14 | 杭州前进齿轮箱集团股份有限公司 | Ship propeller hub with front oil cylinder |
| CN102765473A (en) * | 2012-08-13 | 2012-11-07 | 中国南方航空工业(集团)有限公司 | Oil distribution device for propeller variable pitch |
| CN103523206A (en) * | 2012-06-28 | 2014-01-22 | 尤洛考普特公司 | A hydraulic control valve, a device for adjusting blade pitch, and an aircraft provided with the valve |
| CN104816809A (en) * | 2014-02-03 | 2015-08-05 | 姚元恺 | Adjusting mechanism for hydraulic wheel gear and wheel rack auxiliary blade |
| CN104986304A (en) * | 2015-05-22 | 2015-10-21 | 武汉海王机电工程技术公司 | Vane angle signal transmitter |
| 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 |
| CN106628080A (en) * | 2017-01-16 | 2017-05-10 | 苏州船用动力系统股份有限公司 | Device for displacement of paddle |
| CN107600378A (en) * | 2017-07-28 | 2018-01-19 | 武汉船用机械有限责任公司 | A kind of pitch measurement device for tuning for Controllable Pitch Propeller |
| CN108750056A (en) * | 2018-06-19 | 2018-11-06 | 杭州前进齿轮箱集团股份有限公司 | A kind of adjustable propeller hub that oil cylinder is rear-mounted |
| CN108750057A (en) * | 2018-06-28 | 2018-11-06 | 中国船舶重工集团公司第七0四研究所 | The distance-adjustable oar hub of double-crank transmission |
| CN110316346A (en) * | 2019-05-16 | 2019-10-11 | 杭州前进齿轮箱集团股份有限公司 | Oil distributor on a kind of axis for controllable pitch propeller |
| CN110395373A (en) * | 2019-08-15 | 2019-11-01 | 中国船舶重工集团公司第七0四研究所 | Oil distributor with auxiliary servo oil cylinder |
-
2009
- 2009-09-24 CN CN200910152986A patent/CN101723073A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180251A (en) * | 2011-04-28 | 2011-09-14 | 杭州前进齿轮箱集团股份有限公司 | Adjustable propeller hub for ship thruster |
| CN102180250A (en) * | 2011-04-28 | 2011-09-14 | 杭州前进齿轮箱集团股份有限公司 | Ship propeller hub with front oil cylinder |
| CN102180251B (en) * | 2011-04-28 | 2014-02-12 | 杭州前进齿轮箱集团股份有限公司 | Adjustable propeller hub for ship thruster |
| CN103523206A (en) * | 2012-06-28 | 2014-01-22 | 尤洛考普特公司 | A hydraulic control valve, a device for adjusting blade pitch, and an aircraft provided with the valve |
| CN103523206B (en) * | 2012-06-28 | 2015-06-10 | 空客直升机 | A hydraulic control valve, a device for adjusting blade pitch, and an aircraft provided with the valve |
| CN102765473A (en) * | 2012-08-13 | 2012-11-07 | 中国南方航空工业(集团)有限公司 | Oil distribution device for propeller variable pitch |
| CN102765473B (en) * | 2012-08-13 | 2015-04-15 | 中国南方航空工业(集团)有限公司 | Oil distribution device for propeller variable pitch |
| CN104816809A (en) * | 2014-02-03 | 2015-08-05 | 姚元恺 | Adjusting mechanism for hydraulic wheel gear and wheel rack auxiliary blade |
| CN104986304A (en) * | 2015-05-22 | 2015-10-21 | 武汉海王机电工程技术公司 | Vane angle signal transmitter |
| CN104986304B (en) * | 2015-05-22 | 2017-03-01 | 武汉海王机电工程技术公司 | Vane angle sender unit |
| 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 |
| CN106628080A (en) * | 2017-01-16 | 2017-05-10 | 苏州船用动力系统股份有限公司 | Device for displacement of paddle |
| CN107600378A (en) * | 2017-07-28 | 2018-01-19 | 武汉船用机械有限责任公司 | A kind of pitch measurement device for tuning for Controllable Pitch Propeller |
| CN107600378B (en) * | 2017-07-28 | 2019-09-20 | 武汉船用机械有限责任公司 | A kind of pitch measurement device for tuning for Controllable Pitch Propeller |
| CN108750056A (en) * | 2018-06-19 | 2018-11-06 | 杭州前进齿轮箱集团股份有限公司 | A kind of adjustable propeller hub that oil cylinder is rear-mounted |
| CN108750057A (en) * | 2018-06-28 | 2018-11-06 | 中国船舶重工集团公司第七0四研究所 | The distance-adjustable oar hub of double-crank transmission |
| CN110316346A (en) * | 2019-05-16 | 2019-10-11 | 杭州前进齿轮箱集团股份有限公司 | Oil distributor on a kind of axis for controllable pitch propeller |
| CN110316346B (en) * | 2019-05-16 | 2023-12-01 | 杭州前进齿轮箱集团股份有限公司 | On-shaft oil distributor for adjustable propeller |
| CN110395373A (en) * | 2019-08-15 | 2019-11-01 | 中国船舶重工集团公司第七0四研究所 | Oil distributor with auxiliary servo oil cylinder |
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Open date: 20100609 |