CN108284934A - A kind of blade detachable type hydraulic jet propulsion blade wheel structure - Google Patents
A kind of blade detachable type hydraulic jet propulsion blade wheel structure Download PDFInfo
- Publication number
- CN108284934A CN108284934A CN201711480628.6A CN201711480628A CN108284934A CN 108284934 A CN108284934 A CN 108284934A CN 201711480628 A CN201711480628 A CN 201711480628A CN 108284934 A CN108284934 A CN 108284934A
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- CN
- China
- Prior art keywords
- blade
- dovetail
- jet propulsion
- hydraulic jet
- type hydraulic
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- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
- B63H11/10—Marine propulsion by water jets the propulsive medium being ambient water having means for deflecting jet or influencing cross-section thereof
- B63H11/107—Direction control of propulsive fluid
- B63H11/117—Pivoted vane
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of blade detachable type hydraulic jet propulsion blade wheel structures, belong to Ship Propeling technical field.Including：Wheel hub, wheel hub are that annular shape is arranged, and ring is furnished with several dovetail grooves on the outer circumference surface of wheel hub, and there are one annular groove, annular groove is connected to the head of several dovetail grooves for the outer edge setting of wheel hub excircle；Blade, blade are provided with several, and the root of each blade is provided with dovetail key, and dovetail key matches with dovetail groove；End cap, end cap are arranged for revolving body, and end cap is arranged in annular groove.Blade detachable type hydraulic jet propulsion blade wheel structure provided by the invention need to only replace the blade of damage after blade damage from impeller hub, and easy operation replaces individual blade far beyond replacement impeller good economy performance.
Description
Technical field
The present invention relates to naval vessel Push Technology fields, are specifically related to a kind of blade detachable type hydraulic jet propulsion impeller knot
Structure.
Background technology
Hydraulic jet propulsion is a kind of Ship propulsion method, is rotated by hydraulic jet propulsion impeller of pump, flow is sucked from hull bottom, warp
It is sprayed from spout high speed after guide vane rectification, inlet and outlet water flowing value difference generates thrust, and carrier is pushed to advance.The water sucked from hull bottom
Flow through the wooden unit for being often accompanied by cobblestone and floating on water that navigation channel bottom is come, high-speed impact impeller, damaged blade.Water jet propulsion pump
Impeller generally has 4 or more blades, is distributed on impeller hub, and traditional impeller blade is integral with wheel hub, damage one
A blade needs replacing entire impeller, and assembly and disassembly are complicated.The impeller new construction provided using this patent realizes blade and wheel hub
Separation, all blade geometric shapes are identical, can assemble and disassemble and replace on impeller, only need to be from impeller hub after blade damage
The blade of damage is replaced, easy operation replaces individual blade far beyond replacement impeller good economy performance.
Invention content
For the above-mentioned problems in the prior art, it is desirable to provide a kind of blade detachable type hydraulic jet propulsion impeller knot
Structure, need replacing that impeller brings after water jet propulsion pump monoblock type impeller blade damage at present it is complicated for operation with it is less economical not
Foot, has creatively invented a kind of new blade wheel structure, which is separated into blade and wheel hub two parts, each blade by impeller
Geometry is identical, root of blade band dovetail key, and dovetail key direction is consistent with blade root laying angle；On wheel hub processing with
The matched dovetail groove of blade dovetail key, dovetail groove direction is also consistent with blade angle, and dovetail groove number is identical as the number of blade,
It is uniformly distributed along the circumference, each dovetail groove is in addition to circumferential position is different, and geometry is identical, and blade is joined with wheel hub by dovetail
It connects.
Specific technical solution is as follows：
A kind of blade detachable type hydraulic jet propulsion blade wheel structure, including：
Wheel hub, the wheel hub are that annular shape is arranged, and ring is furnished with several dovetail grooves, the wheel on the outer circumference surface of the wheel hub
There are one annular groove, the annular groove is connected to the head of several dovetail grooves for the outer edge setting of hub excircle；
Blade, the blade are provided with several, and the root of each blade is provided with dovetail key, the dovetail key with
The dovetail groove matches；
End cap, the end cap are arranged for revolving body, and the end cap is arranged in the annular groove.
In blade detachable type hydraulic jet propulsion blade wheel structure provided by the invention, also have the feature that, Mei Yisuo
It states dovetail groove gradually to be tilted by head to tail portion, and the direction of several dovetail grooves is identical.
In blade detachable type hydraulic jet propulsion blade wheel structure provided by the invention, also have the feature that, Mei Yisuo
It states and is disposed with threaded hole in dovetail groove.
In blade detachable type hydraulic jet propulsion blade wheel structure provided by the invention, also have the feature that, Mei Yisuo
It states dovetail key and is disposed with threaded hole, the threaded hole of the threaded hole of each dovetail key and a dovetail groove
Match.
In blade detachable type hydraulic jet propulsion blade wheel structure provided by the invention, also have the feature that, the end
Ring is furnished with several threaded holes, the threaded hole of the threaded hole of each end cap and a dovetail groove on the end face of lid
Matching.
In blade detachable type hydraulic jet propulsion blade wheel structure provided by the invention, also have the feature that, several spiral shells
Line fastener, each threaded fastener wear the threaded hole, a dovetail groove for connecting an end cap respectively
The threaded hole of the threaded hole and a dovetail key.
In blade detachable type hydraulic jet propulsion blade wheel structure provided by the invention, also have the feature that, the end
The outer diameter of lid is identical as the outer diameter of the wheel hub.
In blade detachable type hydraulic jet propulsion blade wheel structure provided by the invention, also have the feature that, Mei Yisuo
It states blade gradually to be flexed outward and tilted by head to tail portion, and the direction of several blades is identical.
The good effect of above-mentioned technical proposal is：
Blade detachable type hydraulic jet propulsion blade wheel structure provided by the invention, only need to be from impeller hub after blade damage
The blade of damage is replaced, easy operation replaces individual blade far beyond replacement impeller good economy performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the dismountable hydraulic jet propulsion impeller of blade of the present invention；
Fig. 2 be the present invention the dismountable hydraulic jet propulsion impeller of blade embodiment in wheel hub structural schematic diagram；
Fig. 3 be the present invention the dismountable hydraulic jet propulsion impeller of blade embodiment in blade structural schematic diagram.
In attached drawing：1, wheel hub；11, dovetail groove；2, end cap；3, threaded fastener；4, blade；41, dovetail key.
Specific implementation mode
It is real below in order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand
Example combination attached drawing 1 is applied to be specifically addressed the dismountable hydraulic jet propulsion blade wheel structure of blade provided by the invention to attached drawing 3.
Fig. 1 is the structural schematic diagram of the embodiment of the dismountable hydraulic jet propulsion impeller of blade of the present invention, and Fig. 2 is the present invention
The dismountable hydraulic jet propulsion impeller of blade embodiment in wheel hub structural schematic diagram；Fig. 3 is that the blade of the present invention is dismantled and assembled
The structural schematic diagram of blade in the embodiment of formula hydraulic jet propulsion impeller.As shown in Figure 1 to Figure 3, a kind of leaf provided in this embodiment
The dismountable hydraulic jet propulsion blade wheel structure of piece, the blade wheel structure include：Wheel hub 1, dovetail groove 11, end cap 2, threaded fastener 3, leaf
Piece 4, dovetail key 41.
In the present embodiment, wheel hub 1 is that annular shape is arranged, and ring is furnished with several dovetail grooves 11 on the outer circumference surface of wheel hub 1, takes turns
There are one annular groove, annular groove is connected to the head of several dovetail grooves 11 for the outer edge setting of 1 excircle of hub.Blade 4 is provided with
Several, the root of each blade 4 is provided with dovetail key 41, and dovetail key 31 matches with dovetail groove 11.End cap 2 sets for revolving body
It sets, end cap 2 is arranged in annular groove.
In a preferred embodiment, as shown in Fig. 2, each dovetail groove 11 is gradually tilted by head to tail portion, and
And the direction of several dovetail grooves 11 is identical.
In a preferred embodiment, as shown in Figure 1, being disposed with threaded hole in each dovetail groove 11, each dovetail
Key 41 is disposed with threaded hole, and the threaded hole of each dovetail key 41 is matched with the threaded hole of a dovetail groove 11.
In a preferred embodiment, as shown in Figure 1, ring is furnished with several threaded holes on the end face of end cap 2, per one end
The threaded hole of lid is matched with the threaded hole of a dovetail groove 11.
In a preferred embodiment, as shown in Figure 1, several threaded fasteners 3, each threaded fastener 3 are distinguished
Wear the threaded hole of the threaded hole of one end cap 2 of connection, the threaded hole and a dovetail key 41 of a dovetail groove 11.
In a preferred embodiment, as shown in Figure 1, the outer diameter of end cap 2 is identical as the outer diameter of wheel hub 1.
In a preferred embodiment, as shown in figure 3, each blade 4 is gradually flexed outward simultaneously by head to tail portion
It tilts, and the direction of several blades 4 is identical.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of there is no restriction the scope of the present invention.
Wheel hub 1 is circular setting in the dismountable hydraulic jet propulsion blade wheel structure of blade provided in this embodiment, wheel hub 1
Ring is furnished with several dovetail grooves 11 on outer circumference surface, and each dovetail groove 11 is gradually tilted by head to tail portion, and several dovetail grooves
11 direction is identical.There are one annular groove, the heads of annular groove and several dovetail grooves 11 to connect for the outer edge setting of 1 excircle of wheel hub
It is logical.Blade 4 is provided with several, and each blade 4 is gradually flexed outward and tilted by head to tail portion, and several blades 4
Towards identical, the root of each blade 4 is provided with dovetail key 41, the screw thread of the threaded hole of each dovetail key 41 and a dovetail groove 11
Hole matches.End cap 2 is arranged for revolving body, and end cap 2 is arranged in annular groove, and ring is furnished with several threaded holes on the end face of end cap 2, often
The threaded hole of one end cap is matched with the threaded hole of a dovetail groove 11, and each threaded fastener 3 wears the spiral shell of one end cap 2 of connection respectively
The threaded hole of pit, the threaded hole of a dovetail groove 11 and a dovetail key 41.The outer diameter of this outer end cap 2 is identical as the outer diameter of wheel hub 1.
Blade detachable type hydraulic jet propulsion blade wheel structure provided by the invention only need to replace damage after blade damage from impeller hub
Blade, easy operation, replace individual blade far beyond replace impeller good economy performance.
It these are only preferred embodiments of the present invention, be not intended to limit the implementation manners and the protection scope of the present invention, it is right
For those skilled in the art, it should can appreciate that and all be replaced with being equal made by description of the invention and diagramatic content
It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.
Claims (8)
1. a kind of blade detachable type hydraulic jet propulsion blade wheel structure, which is characterized in that including：
Wheel hub, the wheel hub be it is circular be arranged, ring is furnished with several dovetail grooves on the outer circumference surface of the wheel hub, outside the wheel hub
There are one annular groove, the annular groove is connected to the head of several dovetail grooves for the outer edge setting of circumference；
Blade, the blade are provided with several, and the root of each blade is provided with dovetail key, the dovetail key with it is described
Dovetail groove matches；
End cap, the end cap are arranged for revolving body, and the end cap is arranged in the annular groove.
2. blade detachable type hydraulic jet propulsion blade wheel structure according to claim 1, which is characterized in that each dovetail
Slot is gradually tilted by head to tail portion, and the direction of several dovetail grooves is identical.
3. blade detachable type hydraulic jet propulsion blade wheel structure according to claim 1, which is characterized in that each dovetail
Threaded hole is disposed in slot.
4. blade detachable type hydraulic jet propulsion blade wheel structure according to claim 3, which is characterized in that each dovetail
Key is disposed with threaded hole, and the threaded hole of each dovetail key is matched with the threaded hole of a dovetail groove.
5. blade detachable type hydraulic jet propulsion blade wheel structure according to claim 4, which is characterized in that the end of the end cap
Ring is furnished with several threaded holes on face, and the threaded hole of each end cap is matched with the threaded hole of a dovetail groove.
6. blade detachable type hydraulic jet propulsion blade wheel structure according to claim 5, which is characterized in that several screw threads for fastening
Part, each threaded fastener wear the spiral shell of the threaded hole of one end cap of connection, a dovetail groove respectively
The threaded hole of pit and a dovetail key.
7. blade detachable type hydraulic jet propulsion blade wheel structure according to claim 1, which is characterized in that outside the end cap
Diameter is identical as the outer diameter of the wheel hub.
8. blade detachable type hydraulic jet propulsion blade wheel structure according to claim 1, which is characterized in that each blade
It is gradually flexed outward and is tilted by head to tail portion, and the direction of several blades is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480628.6A CN108284934A (en) | 2017-12-29 | 2017-12-29 | A kind of blade detachable type hydraulic jet propulsion blade wheel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480628.6A CN108284934A (en) | 2017-12-29 | 2017-12-29 | A kind of blade detachable type hydraulic jet propulsion blade wheel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108284934A true CN108284934A (en) | 2018-07-17 |
Family
ID=62831946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711480628.6A Pending CN108284934A (en) | 2017-12-29 | 2017-12-29 | A kind of blade detachable type hydraulic jet propulsion blade wheel structure |
Country Status (1)
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|---|---|
| CN (1) | CN108284934A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524907A (en) * | 2019-07-12 | 2019-12-03 | 中国船舶工业集团公司第七0八研究所 | A kind of water jet propulsion pump movable vane wheel shaping method of composite material blade |
| CN112193392A (en) * | 2020-09-18 | 2021-01-08 | 珠海云鲲科技有限公司 | Unmanned ship paddle wheel |
| CN113353226A (en) * | 2021-06-16 | 2021-09-07 | 合肥恒大江海泵业股份有限公司 | Blade installation method of shaftless propeller |
| CN113830276A (en) * | 2021-10-15 | 2021-12-24 | 中国船舶工业集团公司第七0八研究所 | Water jet propulsion and ship body integrated coupling structure |
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| JPH11105788A (en) * | 1997-10-02 | 1999-04-20 | Ishigaki:Kk | Choking prevention device for jet generation pump in water jet propulsion ship |
| CN101830277A (en) * | 2009-01-27 | 2010-09-15 | 巴勃罗·阿方索·冈萨雷斯·阿瓦尔 | ship propeller |
| CN102630207A (en) * | 2009-09-30 | 2012-08-08 | 帕布洛·阿方索·冈萨雷斯阿瓦尔 | ship propulsion |
| CN102770344A (en) * | 2009-11-05 | 2012-11-07 | 巴勃罗·阿方索·冈萨雷斯阿巴尔 | ship propulsion |
| CN203222103U (en) * | 2013-02-01 | 2013-10-02 | 中国人民解放军海军工程大学 | Helical key-connection composite material screw propeller |
| CN106217074A (en) * | 2016-08-16 | 2016-12-14 | 武汉船用机械有限责任公司 | A kind of hydraulic jet propulsion system impeller milling tool |
| CN107458564A (en) * | 2017-07-27 | 2017-12-12 | 中国航空工业集团公司基础技术研究院 | Ship combined type continuous fiber reinforced composite materials blade propeller |
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2017
- 2017-12-29 CN CN201711480628.6A patent/CN108284934A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11105788A (en) * | 1997-10-02 | 1999-04-20 | Ishigaki:Kk | Choking prevention device for jet generation pump in water jet propulsion ship |
| CN101830277A (en) * | 2009-01-27 | 2010-09-15 | 巴勃罗·阿方索·冈萨雷斯·阿瓦尔 | ship propeller |
| CN102630207A (en) * | 2009-09-30 | 2012-08-08 | 帕布洛·阿方索·冈萨雷斯阿瓦尔 | ship propulsion |
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| CN203222103U (en) * | 2013-02-01 | 2013-10-02 | 中国人民解放军海军工程大学 | Helical key-connection composite material screw propeller |
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| CN107458564A (en) * | 2017-07-27 | 2017-12-12 | 中国航空工业集团公司基础技术研究院 | Ship combined type continuous fiber reinforced composite materials blade propeller |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524907A (en) * | 2019-07-12 | 2019-12-03 | 中国船舶工业集团公司第七0八研究所 | A kind of water jet propulsion pump movable vane wheel shaping method of composite material blade |
| CN112193392A (en) * | 2020-09-18 | 2021-01-08 | 珠海云鲲科技有限公司 | Unmanned ship paddle wheel |
| CN113353226A (en) * | 2021-06-16 | 2021-09-07 | 合肥恒大江海泵业股份有限公司 | Blade installation method of shaftless propeller |
| CN113830276A (en) * | 2021-10-15 | 2021-12-24 | 中国船舶工业集团公司第七0八研究所 | Water jet propulsion and ship body integrated coupling structure |
| CN113830276B (en) * | 2021-10-15 | 2023-11-17 | 中国船舶工业集团公司第七0八研究所 | Water spray propulsion and hull integrated coupling structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180717 |