CN105346697A - Propeller for guide pipe type ship - Google Patents
Propeller for guide pipe type ship Download PDFInfo
- Publication number
- CN105346697A CN105346697A CN201510844781.7A CN201510844781A CN105346697A CN 105346697 A CN105346697 A CN 105346697A CN 201510844781 A CN201510844781 A CN 201510844781A CN 105346697 A CN105346697 A CN 105346697A
- Authority
- CN
- China
- Prior art keywords
- conduit
- propeller
- blade
- type marine
- bearing
- Prior art date
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 description 4
- 230000001141 propulsive effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003042 antagnostic effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
Landscapes
- 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 propeller for a guide pipe type ship. The propeller comprises a guide pipe, an outer paddle, an inner paddle, a propeller hub and a bearing, and further comprises a water pipe and a chip; the guide pipe is arranged on the exterior of the outer paddle, and a certain distance is kept between a paddle tip of the outer paddle and the inner wall of the guide pipe; the water pipe is arranged between the inner paddle and the outer paddle, the inner paddle is arranged between the water pipe and the propeller hub, and the bearing is arranged on the inner side of the propeller hub; and the chip is arranged on the inner side of the bearing. By means of the propeller for the guide pipe type ship, the chip is arranged on the inner ring of the bearing so that the working condition of the propeller can be monitored in real time, and faults can be found in time; a dual-flowing-direction structure is adopted, the pushing efficiency of the propeller can be effectively improved; the guide pipe structure is adopted, so that the pushing force of the propeller is increased, and the working efficiency of the propeller is improved.
Description
Technical field
The present invention relates to a kind of marine propeller, particularly relate to a kind of conduit type marine propeller.
Background technology
Marine propeller of a great variety, common ship for civil use screw propeller mainly contains conventional propeller, shrouded propeller, adjustable pitch propeller.
Conventional propeller is made up of blade and propeller hub.Screw propeller and ship axle coupling part are called propeller hub, and propeller hub is the bullet of a butt.In order to reduce resistance in screw propeller water, install hub cap in propeller hub rear end, hub cap forms streamline contour together with propeller hub.Conventional propeller Chang Weisan leaf or four leaves, blade is fixed on propeller hub.Be called blade face by the one side of propeller blade seen during eyes front after stern, another side is called blade back.Blade and propeller hub connection place are called blade root, and the outer end of blade is called blade tip.When the positive car of screw propeller rotates, above, person is called guide margin at blade edge, and another side is called lagging edge.
Shrouded propeller installs a sleeve outward at conventional propeller.Sleeve can be fixing, is called A/C.Sleeve also can be rotate, and is called steering nozzle.The generally shrouded propeller of steering nozzle, its screw propeller rotates along the axis of level, and steering nozzle then rotates along vertical axis.Steering nozzle, except playing guide functions, also plays a part rudder.According to the influence of conduit convection cell speed, conduit is divided into again acceleration duct (also claiming step-down catheter) and decelerating duct (also claiming flaring conduit), the cross section of fluid channel of acceleration duct inside is the shape of convergent from front to back, and the cross section of fluid channel of decelerating duct inside is the shape of flaring from front to back.A/C and steering nozzle all do not rotate together with screw propeller.The spacing of pipe inner wall and blade tip is very little, and foreign material blocking and pipe inner wall and blade tip stator scrapping rotor easily occur.
All marine propellers all can produce steam bubble at the blade tip place of blade back, and this process is called cavitation, and cavitation can produce noise and vibration, reduce the performance of screw propeller.Cavitation can cause propeller material to damage, and is called cavitation corrosion, also claims cavitation or cavitation erosion.In order to reduce the harm of cavitation to the Military Ship such as submarine, warship, torpedo and equipment, often adopt large skew back seven vane propeller, pump water propelling screws, waterjet propulsor and composite propeller.Technical sophistication, the cost of large skew back seven vane propeller, pump water propelling screws and waterjet propulsor are high, are more difficultly applied to ship for civil use.
Tugboat, trawlboat, the propeller load weight of the ships for civil use such as marine engineering job platform, the blade face of blade and the pressure reduction of blade back very large, if do not have conduit to limit, higher-pressure region water can stream to meiobar, produce power is lost, if install conduit additional, adopt A/C screw propeller, although the efficiency of screw propeller can be made to improve, but the turning radius of boats and ships increases, make convolution performance and the low speed rudder deleterious of boats and ships, according to rudder propeller, although rudder propeller also has the effect of rudder, but tugboat, trawlboat, work at the low rotational speed in the ship for civil use most time such as marine engineering job platform, operating mode is complicated, the stability requirement of marine operation to navigation is high, higher to the thrust requirements of screw propeller.
Along with the increase of larger-sized vessel and the speed of a ship or plane, the load of screw propeller is larger, existing propeller for vessels due to blade point stream loss, screw propeller after wake flow contraction etc. make its propulsion coefficient not high, and in prior art, screw propeller breaks down not easily Timeliness coverage, therefore needs to improve existing propeller for vessels.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of easy monitoring fault, conduit type marine propeller that work efficiency is high are provided.
The present invention is achieved by the following technical solutions:
A kind of conduit type marine propeller, comprise conduit, outer blade, interior blade, propeller hub and bearing, it is characterized in that, also comprise water service pipe and chip, it is outside that described conduit is arranged at described outer blade, the blade tip of described outer blade and the inwall of described conduit maintain a certain distance, described water service pipe is arranged between described interior blade and described outer blade, described interior blade is arranged between described water service pipe and described propeller hub, described bearing is arranged at inside described propeller hub, and described chip is arranged at inside described bearing.
Further, described conduit is trapezoidal perpendicular to the cross-sectional plane of central axial direction, and the diameter of section of described conduit trailing edge is greater than the diameter of section of conduit leading edge.
Further, the gap of the blade tip of described outer blade and the inwall of described conduit is 1-5mm.
Further, the blade tip of described interior blade and the gap of described water service pipe inwall are 1-2mm.
Further, the cross-sectional plane of described conduit, water service pipe, propeller hub and bearing centrally axis direction is the circle that radius reduces successively, and the center of circle is on same level straight line.
Further, described interior blade is evenly distributed on described propeller hub, and described outer blade is evenly distributed on described water service pipe.
Further, described outer blade is 4-6 sheet, and described interior blade is 4-6 sheet.
Particularly, described outer blade is equal with the quantity of interior blade, is four.
Further, described outer blade is contrary with the hand of spiral of interior blade.
Further, described chips welding is at described bearing inner ring, and described chip is connected with sensor.
The invention has the beneficial effects as follows:
(1) catheter type marine propeller of the present invention arranges chip at bearing inner ring, can the working condition of Real-Time Monitoring screw propeller Timeliness coverage fault;
(2) catheter type marine propeller of the present invention arranges chip at bearing inner ring, does not need human at periodic intervals to check screw propeller fault, has saved human resources;
(3) catheter type marine propeller of the present invention adopts two flow direction structure, effectively can improve the propulsion coefficient of screw propeller;
(4) the screw propeller outside of catheter type marine propeller of the present invention adopts catheter type structure, increases the propulsive force of screw propeller, improves the work efficiency of screw propeller.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is conduit type marine propeller structural representation of the present invention;
Fig. 2 is the conduit schematic diagram of conduit type marine propeller of the present invention;
Fig. 3 is the cross sectional representation of conduit type marine propeller of the present invention.
Wherein, in figure, Reference numeral corresponds to: 1-conduit, the outer blade of 2-, 3-water service pipe, blade in 4-, 5-propeller hub, 6-bearing, 7-chip.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Embodiment 1:
Referring to Fig. 1-3, Fig. 1 is a kind of conduit type marine propeller structural representation of the present invention, and Fig. 2 is the conduit schematic diagram of a kind of conduit type marine propeller of the present invention, and Fig. 3 is the cross sectional representation of conduit type marine propeller of the present invention.As Figure 1-3, the invention discloses a kind of conduit type marine propeller, comprise conduit 1, outer blade 2, interior blade 4, propeller hub 5 and bearing 6, also comprise water service pipe 3 and chip 7, it is outside that described conduit 1 is arranged at described outer blade 2, the blade tip of described outer blade 2 and the inwall of described conduit 1 maintain a certain distance, described water service pipe 3 is arranged between described interior blade 4 and described outer blade 2, described interior blade 4 is arranged between described water service pipe 3 and described propeller hub 5, described bearing 6 is arranged at inside described propeller hub 5, and described chip 7 is arranged at inside described bearing 6.
Further, described conduit 1 is trapezoidal perpendicular to the cross-sectional plane of central axial direction, and the diameter of section of described conduit 1 trailing edge is greater than the diameter of section of conduit 1 leading edge.
Further, the gap of the blade tip of described outer blade 2 and the inwall of described conduit 1 is 2mm.
Further, the blade tip of described interior blade 4 and the gap of described water service pipe 3 inwall are 1mm.
Further, the cross-sectional plane of described conduit 1, water service pipe 3, propeller hub 5 and bearing 6 centrally axis direction is the circle that radius reduces successively, and the center of circle is on same level straight line.
Further, described interior blade 4 is evenly distributed on described propeller hub 5, and described outer blade 2 is evenly distributed on described water service pipe 3.
Further, described outer blade 2 is equal with the quantity of interior blade 4, is 4.
Particularly, described outer blade 2 is contrary with the hand of spiral of interior blade 4.
Further, described chip 7 is welded on described bearing 6 inner ring, and described chip 7 is connected with sensor.
A kind of conduit type marine propeller working process that the embodiment of the present invention provides is as follows: as Figure 1-3, bearing 6 is arranged at inside propeller hub 5, the hand of spiral of outer blade 2 and interior blade 4 is contrary, when propeller rotational gets up water to pusher, water in water service pipe 3 then flow forward, thus improve the situation of screw propeller at low pressure water flow above, there is eddy current in the region limiting its propeller hub 5, accelerate the wake of propeller, increase the antagonistic force of screw propeller, thus improve its use effect, to improve the speed of a ship or plane of boats and ships; The cross-sectional plane of conduit 1, water service pipe 3, propeller hub 5 and bearing 6 centrally axis direction is the circle that radius reduces successively, and the center of circle is on same level straight line, and the gap of the blade tip of outer blade 2 and the inwall of conduit 1 is 2mm, the blade tip of interior blade 4 and the gap of water service pipe 3 inwall are 1mm, what limit blade point streams loss, wake flow after conduit 1 can reduce screw propeller simultaneously shrinks, and degradation of energy is reduced, thus effectively improves the propulsion coefficient of screw propeller; Conduit 1 is trapezoidal perpendicular to the cross-sectional plane of central axial direction, and the diameter of section of conduit 1 trailing edge is greater than the diameter of section of conduit 1 leading edge, increases the propulsive force of screw propeller, improves the work efficiency of screw propeller; Chip 7 is connected with sensor.Chip 7 and bearing 6 inner ring keep geo-stationary, and by the operating condition of the condition adjudgement bearing 6 of Sensor monitoring chip 7, thus determine screw propeller whether normal operation further, when screw propeller normal operation, sensor can not be reported to the police; When screw propeller shut down or rotating speed mal time, sensor Realtime Alerts prompting staff.
The invention has the beneficial effects as follows:
(1) catheter type marine propeller of the present invention arranges chip at bearing inner ring, can the working condition of Real-Time Monitoring screw propeller Timeliness coverage fault;
(2) catheter type marine propeller of the present invention arranges chip at bearing inner ring, does not need human at periodic intervals to check screw propeller fault, has saved human resources;
(3) catheter type marine propeller of the present invention adopts two flow direction structure, effectively can improve the propulsion coefficient of screw propeller;
(4) the screw propeller outside of catheter type marine propeller of the present invention adopts catheter type structure, increases the propulsive force of screw propeller, improves the work efficiency of screw propeller.
The above is the preferred embodiment of the present invention; it is noted that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a conduit type marine propeller, comprise conduit (1), outer blade (2), interior blade (4), propeller hub (5) and bearing (6), it is characterized in that, also comprise water service pipe (3) and chip (7), it is outside that described conduit (1) is arranged at described outer blade (2), the blade tip of described outer blade (2) and the inwall of described conduit (1) maintain a certain distance, described water service pipe (3) is arranged between described interior blade (4) and described outer blade (2), described interior blade (4) is arranged between described water service pipe (3) and described propeller hub (5), described bearing (6) is arranged at described propeller hub (5) inner side, described chip (7) is arranged at described bearing (6) inner side.
2. a kind of conduit type marine propeller according to claim 1, it is characterized in that, described conduit (1) is trapezoidal perpendicular to the cross-sectional plane of central axial direction, and the diameter of section of described conduit (1) trailing edge is greater than the diameter of section of conduit (1) leading edge.
3. a kind of conduit type marine propeller according to claim 1 and 2, is characterized in that, the gap of the blade tip of described outer blade (2) and the inwall of described conduit (1) is 1-5mm.
4. a kind of conduit type marine propeller according to claim 1, is characterized in that, the blade tip of described interior blade (4) and the gap of described water service pipe (3) inwall are 1-2mm.
5. a kind of conduit type marine propeller according to claim 1, it is characterized in that, the cross-sectional plane of described conduit (1), water service pipe (3), propeller hub (5) and bearing (6) centrally axis direction is the circle that radius reduces successively, and the center of circle is on same level straight line.
6. a kind of conduit type marine propeller according to claim 3, it is characterized in that, described interior blade (4) is evenly distributed on described propeller hub (5), and described outer blade (2) is evenly distributed on described water service pipe (3).
7. a kind of conduit type marine propeller according to claim 1 or 6, is characterized in that, described outer blade (2) is 4-6 sheet, and described interior blade (4) is 4-6 sheet.
8. a kind of conduit type marine propeller according to claim 7, is characterized in that, described outer blade (2) is equal with the quantity of interior blade (4), is four.
9. a kind of conduit type marine propeller according to claim 1 or 8, is characterized in that, described outer blade (2) is contrary with the hand of spiral of interior blade (4).
10. a kind of conduit type marine propeller according to claim 1, is characterized in that, described chip (7) is welded on described bearing (6) inner ring, and described chip (7) is connected with sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844781.7A CN105346697A (en) | 2015-11-26 | 2015-11-26 | Propeller for guide pipe type ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844781.7A CN105346697A (en) | 2015-11-26 | 2015-11-26 | Propeller for guide pipe type ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105346697A true CN105346697A (en) | 2016-02-24 |
Family
ID=55322814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510844781.7A Pending CN105346697A (en) | 2015-11-26 | 2015-11-26 | Propeller for guide pipe type ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105346697A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106965455A (en) * | 2016-11-11 | 2017-07-21 | 武汉海威船舶与海洋工程科技有限公司 | A kind of preparation method of Composite propulsor stator |
| CN108146604A (en) * | 2017-12-18 | 2018-06-12 | 合肥凯石投资咨询有限公司 | A kind of water sky double-purpose ship propulsion system based on magneto |
| CN114987726A (en) * | 2022-07-11 | 2022-09-02 | 浙江省海洋水产研究所 | Adjustable driving device of trawler |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0744499U (en) * | 1983-12-09 | 1995-11-21 | マリタイム・テクノロジー・リミテッド | Ring propeller |
| WO2006002464A1 (en) * | 2004-07-01 | 2006-01-12 | Ringprop Trading Limited | Shroud or ring propeller blade interface |
| KR100648454B1 (en) * | 2005-04-26 | 2006-11-27 | 안옥수 | Marine propeller device |
| CN1971060A (en) * | 2006-11-29 | 2007-05-30 | 黎观福 | Double-flow-direction propeller |
| CN203759045U (en) * | 2014-01-02 | 2014-08-06 | 浙江海洋学院 | Underwater propeller rotating speed testing apparatus |
| CN104787284A (en) * | 2015-04-08 | 2015-07-22 | 浙江海洋学院 | Child-mother coaxial guide pipe wheel propeller |
| CN105035293A (en) * | 2015-07-24 | 2015-11-11 | 苏州金业船用机械厂 | Guide-tube type double-flow-direction propeller |
| CN205256630U (en) * | 2015-11-26 | 2016-05-25 | 南通长青沙船舶工程有限公司 | Pipe type marine propeller |
-
2015
- 2015-11-26 CN CN201510844781.7A patent/CN105346697A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0744499U (en) * | 1983-12-09 | 1995-11-21 | マリタイム・テクノロジー・リミテッド | Ring propeller |
| WO2006002464A1 (en) * | 2004-07-01 | 2006-01-12 | Ringprop Trading Limited | Shroud or ring propeller blade interface |
| KR100648454B1 (en) * | 2005-04-26 | 2006-11-27 | 안옥수 | Marine propeller device |
| CN1971060A (en) * | 2006-11-29 | 2007-05-30 | 黎观福 | Double-flow-direction propeller |
| CN203759045U (en) * | 2014-01-02 | 2014-08-06 | 浙江海洋学院 | Underwater propeller rotating speed testing apparatus |
| CN104787284A (en) * | 2015-04-08 | 2015-07-22 | 浙江海洋学院 | Child-mother coaxial guide pipe wheel propeller |
| CN105035293A (en) * | 2015-07-24 | 2015-11-11 | 苏州金业船用机械厂 | Guide-tube type double-flow-direction propeller |
| CN205256630U (en) * | 2015-11-26 | 2016-05-25 | 南通长青沙船舶工程有限公司 | Pipe type marine propeller |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106965455A (en) * | 2016-11-11 | 2017-07-21 | 武汉海威船舶与海洋工程科技有限公司 | A kind of preparation method of Composite propulsor stator |
| CN108146604A (en) * | 2017-12-18 | 2018-06-12 | 合肥凯石投资咨询有限公司 | A kind of water sky double-purpose ship propulsion system based on magneto |
| CN114987726A (en) * | 2022-07-11 | 2022-09-02 | 浙江省海洋水产研究所 | Adjustable driving device of trawler |
| CN114987726B (en) * | 2022-07-11 | 2023-09-15 | 浙江省海洋水产研究所 | An adjustable driving device for trawlers |
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Application publication date: 20160224 |
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