CN2058164U - 组合式螺旋桨 - Google Patents

组合式螺旋桨 Download PDF

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Publication number
CN2058164U
CN2058164U CN 89215013 CN89215013U CN2058164U CN 2058164 U CN2058164 U CN 2058164U CN 89215013 CN89215013 CN 89215013 CN 89215013 U CN89215013 U CN 89215013U CN 2058164 U CN2058164 U CN 2058164U
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China
Prior art keywords
propeller
blade
blades
broken
hub
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CN 89215013
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English (en)
Inventor
钱怀凤
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COMMUNICATIONS SCIENTIFIC RESEARCH INST JIANGXI PROV
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COMMUNICATIONS SCIENTIFIC RESEARCH INST JIANGXI PROV
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Priority to CN 89215013 priority Critical patent/CN2058164U/zh
Publication of CN2058164U publication Critical patent/CN2058164U/zh
Withdrawn legal-status Critical Current

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Abstract

一种适合在内河浅水航道中航行的船舶上使用的螺旋桨。针对已有的整体式螺旋桨在一块叶片被打坏,就要更换整个螺旋桨的缺点,将轮毂和叶片加工成分离式的,通过键和紧固件将两者固定成一体,螺旋桨可由一个轮毂和3块或3块以上的叶片构成。该组合式螺旋桨当某块叶片被打坏时,只需更换那块打坏的叶片,轮毂和其它叶片可继续使用,大大降低了原材料消耗和修理成本,而且易于更换,具有较高的经济效益。

Description

本实用新型涉及一种适合在内河浅水航道中航行的船舶上使用的螺旋浆。
目前,浅水航道船用的螺旋浆均采用三叶、四叶或多叶片的整体式螺旋浆,当船在内河浅水航道中航行时,常由于搁浅、触礁等原因而使叶片折断,而且往往只因一块叶片折断而导致整个螺旋浆报废,有的船舶甚至一个航次就要更换一次螺旋浆,造成了物质的浪费,增加了修理费用,很不经济。
本实用新型的目的在于克服已有螺旋浆存在的缺陷,提供一种经济实惠,易于更换,修理费用低的组合式螺旋浆。
本实用新型的目的是通过以下方式实现的:即将轮毂和叶片加工成分离式的,通过键和紧固件将两者固定成一体。具体地说,螺旋浆由一个轮毂和3块或3块以上的叶片构成。
本实用新型的组合式螺旋浆,当某块叶片被折断时,只需更换那块被打坏的叶片,而轮毂和其它叶片可继续使用,大大降低了原材料消耗和修理成本,而且易于更换,具有较高的经济效益:
下面结合附图和实施例对本实用新型作更为详细的说明。
图1为本实用新型的结构示意图;
图2为图1的横截面视图。
实施例:
参照图1,在两端加工有台阶的轮毂1上,通过键2和螺栓4固定有三块互成120°夹角的叶片3。利用轮毂两端的台阶可防止叶片前后移动,并传递推力,利用键2传递扭矩,并通过螺栓4克服叶片的离心力。

Claims (2)

1、一种适合在内河浅水航道中航行的船舶上使用的组合式螺旋浆,由轮毂和叶片组成,其特征在于:轮毂1和叶片3通过键2和紧固件4固定成一体。
2、根据权利要求1所述的组合式螺旋浆,其特征在于:螺旋浆由一个轮毂1和3块叶片组成。
CN 89215013 1989-08-11 1989-08-11 组合式螺旋桨 Withdrawn CN2058164U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 89215013 CN2058164U (zh) 1989-08-11 1989-08-11 组合式螺旋桨

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 89215013 CN2058164U (zh) 1989-08-11 1989-08-11 组合式螺旋桨

Publications (1)

Publication Number Publication Date
CN2058164U true CN2058164U (zh) 1990-06-13

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Family Applications (1)

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CN 89215013 Withdrawn CN2058164U (zh) 1989-08-11 1989-08-11 组合式螺旋桨

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CN (1) CN2058164U (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2497709A1 (en) * 2009-11-05 2012-09-12 Pablo Alfonso Gonzalez Abal Vessel propulsion device
CN106347612A (zh) * 2016-09-28 2017-01-25 广船国际有限公司 一种桨叶可拆卸的船舶螺旋桨

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2497709A1 (en) * 2009-11-05 2012-09-12 Pablo Alfonso Gonzalez Abal Vessel propulsion device
EP2497709A4 (en) * 2009-11-05 2014-03-05 Abal Pablo Alfonso Gonzalez DEVICE FOR PROPULSION OF BOATS
CN106347612A (zh) * 2016-09-28 2017-01-25 广船国际有限公司 一种桨叶可拆卸的船舶螺旋桨
WO2018059198A1 (zh) * 2016-09-28 2018-04-05 广船国际有限公司 一种桨叶可拆卸的船舶螺旋桨

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