CN108860539A - A kind of axial-flow pump formula propeller - Google Patents
A kind of axial-flow pump formula propeller Download PDFInfo
- Publication number
- CN108860539A CN108860539A CN201810810378.6A CN201810810378A CN108860539A CN 108860539 A CN108860539 A CN 108860539A CN 201810810378 A CN201810810378 A CN 201810810378A CN 108860539 A CN108860539 A CN 108860539A
- Authority
- CN
- China
- Prior art keywords
- propeller
- noise reduction
- axial
- flow pump
- pod
- 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
- 230000004888 barrier function Effects 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 101100438971 Caenorhabditis elegans mat-1 gene Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
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 present invention proposes a kind of axial-flow pump formula propeller, the propeller unit being parallel to each other including two groups, every group of propeller unit includes rotary shaft, what is be spaced in rotary shaft is equipped with several propellers, it is more than or equal to the range of previous propeller along the distance between the latter propeller of flow direction and previous propeller adjacent thereto, bearing is equipped in the rotary shaft of each propeller two sides, bearing is equipped with sealing bearing holder (housing, cover), it seals bearing holder (housing, cover) and is equipped with noise reduction barrier, the both ends of each pod are connected with the noise reduction barrier of corresponding propeller two sides respectively, the water inlet diameter of pod is greater than its water outlet diameter, the outer wall of pod is equipped with Noise reduction tile；Rotary shaft in two groups of propeller units is connected under the action of change gear case with line shaft, and the junction of each rotary shaft and change gear case is equipped with seal closure.Above-mentioned axial-flow pump formula propeller can reduce energy consumption under the premise of same engine power, increase thrust, and reduce noise.
Description
Technical field
The present invention relates to propeller field more particularly to a kind of axial-flow pump formula propellers.
Background technique
Existing propeller must generate centrifugal force when rotating, this will lead to a part of water centrifugation and loses, so that
Thrust becomes smaller, and can generate biggish noise.Existing propeller, mostly two leaves are with up to N leaf, when the thrust of demand is bigger
When, it is desirable that the number of sheets it is more；In order to increase thrust, can also increase propeller pushes away water area, this can be by increasing spiral
The diameter of paddle is realized, but when the diameter of propeller increases, resistance arm just be will increase, and then lead to the power of engine
It will increase, so that energy consumption increases.In addition, not being able to satisfy the demand in the fields such as military affairs when the noise of propeller is excessive.
Summary of the invention
In order to solve the problems in the existing technology, the invention proposes a kind of axial-flow pump formula propellers, so as to same
Etc. under the premise of engine powers, reduce energy consumption, increase thrust, improve speed, and reduce noise.
To achieve the goals above, the invention proposes a kind of axial-flow pump formula propeller, the spiral shell being parallel to each other including two groups
Paddle unit is revolved, every group of propeller unit includes rotary shaft, and what is be spaced in the rotary shaft is equipped with several propellers, along water flow stream
To the latter propeller and the distance between previous propeller adjacent thereto be more than or equal to the range of previous propeller,
Bearing is equipped in the rotary shaft of each propeller two sides, the bearing, which is equipped with, seals bearing holder (housing, cover), on the sealing bearing holder (housing, cover)
Equipped with noise reduction barrier, the noise reduction barrier includes several noise reduction barrier pieces, and each noise reduction barrier piece is along the sealing bearing holder (housing, cover)
Circumferentially spaced setting, the axial-flow pump formula propeller further include the pod equal with the propeller number, each water conservancy diversion
The both ends of cover are connected with the noise reduction barrier of corresponding propeller two sides respectively, and the water inlet diameter of the pod is greater than it
Water outlet diameter is equipped with Noise reduction tile on the outer wall of the pod；Rotary shaft in two groups of propeller units is in deflecting
It is connected under the action of gear-box with line shaft, the junction of each rotary shaft and change gear case is equipped with seal closure.
Preferably, big along the distance between the latter propeller of flow direction and previous propeller adjacent thereto
In equal to 1.5m.
Preferably, the width of the noise reduction barrier piece is 8cm ~ 15cm.
Preferably, the maximum distance between two neighboring noise reduction barrier piece is 8cm ~ 12cm.
Preferably, the noise reduction barrier piece includes iron plate, is equipped with Noise reduction tile, the noise reduction in the two sides of the iron plate
Watt there are gaps between iron plate.
Preferably, the water inlet diameter of the pod is 1.2 times of its water outlet diameter.
Preferably, the width of the pod is 20cm bigger than the width of propeller, and the blade distance of the propeller is led
Flow cover inner wall 1cm ~ 2cm.
Preferably, the propeller is located at the centre of pod.
Preferably, umbellate form double helical tooth is used in the change gear case.
Preferably, the main transmission tooth of the umbellate form double helical tooth and the differential ratio for being transmitted tooth are（1.3~1.5）:1.
The beneficial effect of the program of the present invention is that above-mentioned axial-flow pump formula propeller can be in same engine power
Under the premise of, reduce energy consumption, increase thrust, improves speed, and reduce noise, can satisfy the demand in the fields such as military affairs.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of axial-flow pump formula propeller according to the present invention.
Fig. 2 shows the schematic cross-sectional views of Fig. 1.
Fig. 3 shows the structural schematic diagram of noise reduction barrier according to the present invention.
Appended drawing reference：1- rotary shaft, 2- propeller, 3- sealing bearing holder (housing, cover), 4- noise reduction barrier, 5- pod, 6- Noise reduction tile,
7- seal closure, 8- iron plate.
Specific embodiment
A specific embodiment of the invention is further described with reference to the accompanying drawing.
Axial-flow pump formula propeller according to the present invention includes two groups of propeller units being parallel to each other, as shown in Figure 1, 2,
Every group of propeller unit includes rotary shaft 1, and what is be spaced in the rotary shaft 1 is equipped with several propellers 2, after flow direction
The distance between one propeller 2 and previous propeller 2 adjacent thereto d3It is greater than penetrating equal to previous propeller 2
Journey, in the present embodiment, d3>=1.5m, in Fig. 1, right side is previous propeller 2, and left side is the latter propeller 2.
Bearing is equipped in the rotary shaft 1 of each 2 two sides of propeller, the bearing is equipped with sealing bearing holder (housing, cover) 3, passes through institute
It states sealing bearing holder (housing, cover) 3 to be closed bearing, seawater isolation be come, to realize bearing not by the purpose of seawater corrosion.
The sealing bearing holder (housing, cover) 3 is equipped with noise reduction barrier 4, and the noise reduction barrier 4 includes several noise reduction barrier pieces, each noise reduction
Barrier piece is along the circumferentially spaced setting for sealing bearing holder (housing, cover) 3, in the present embodiment, the width d of the noise reduction barrier piece2
For 8cm ~ 15cm, the maximum distance between two neighboring noise reduction barrier piece is 8cm ~ 12cm, that is to say, that two neighboring noise reduction column
The distance between outer edge of grid is in 8cm ~ 12cm, as shown in figure 3, the noise reduction barrier piece includes iron plate 8, in the iron plate
8 two sides are equipped with Noise reduction tile 6, and in order to realize better erasure effect, there are gaps between the Noise reduction tile 6 and iron plate 8.
The axial-flow pump formula propeller further includes the pod 5 equal with 2 numbers of the propeller, each pod 5
Both ends are connected with the noise reduction barrier 4 of corresponding 2 two sides of propeller respectively, and the water inlet diameter of the pod 5 is that it goes out
1.2 times of mouth of a river diameter, the width d of the pod 5120cm bigger than the width of propeller 2, the propeller 2 is located at water conservancy diversion
The centre of cover 5, the blade of the propeller 2 is apart from 5 inner wall 1cm ~ 2cm of pod, preferably 1.5cm；In the outer of the pod 5
Wall is equipped with Noise reduction tile 6.
In the present embodiment, the Noise reduction tile 6 is using waterproof, light body, porous, cellular material, and thickness is in 1.5cm
~ 2cm, the Noise insulati on that blade impact water generates when propeller 2 is rotated, to realize the purpose for reducing noise.
Rotary shaft 1 in two groups of propeller units according to the present invention under the action of change gear case with line shaft phase
Connection, wherein the junction of each rotary shaft 1 and change gear case is equipped with seal closure 7.
In order to further increase the effect of noise reduction, umbellate form double helical tooth is used in change gear case according to the present invention.For
Raising speed, the main transmission tooth of the umbellate form double helical tooth and the differential ratio that is transmitted tooth are（1.3~1.5）:1, therefore be driven out
Rotating ratio be also（1.3~1.5）:1, such that the revolving speed of propeller improves, so as speed also increase accordingly, at least mention
Speed 30%.
Axial-flow pump formula propeller according to the present invention can reduce energy consumption under the premise of same engine power, increase
High thrust improves speed, and reduces noise, can satisfy the demand in the fields such as military affairs.
Claims (10)
1. a kind of axial-flow pump formula propeller, it is characterised in that：The propeller unit being parallel to each other including two groups, every group of propeller list
Member include rotary shaft, be spaced in the rotary shaft be equipped with several propellers, along flow direction the latter propeller and with
The distance between adjacent previous propeller be more than or equal to the range of previous propeller, the rotation of each propeller two sides
Bearing is equipped on axis, the bearing is equipped with sealing bearing holder (housing, cover), and the sealing bearing holder (housing, cover) is equipped with noise reduction barrier, the noise reduction
Barrier includes several noise reduction barrier pieces, circumferentially spaced setting of each noise reduction barrier piece along the sealing bearing holder (housing, cover), the axis
Stream pump type propeller further includes the pod equal with the propeller number, the both ends of each pod respectively with it is corresponding
The noise reduction barrier of propeller two sides is connected, and the water inlet diameter of the pod is greater than its water outlet diameter, in the water conservancy diversion
The outer wall of cover is equipped with Noise reduction tile；Rotary shaft in two groups of propeller units under the action of change gear case with line shaft
It is connected, the junction of each rotary shaft and change gear case is equipped with seal closure.
2. axial-flow pump formula propeller according to claim 1, it is characterised in that：Along flow direction the latter propeller and
The distance between previous propeller adjacent thereto is more than or equal to 1.5m.
3. axial-flow pump formula propeller according to claim 1, it is characterised in that：The width of the noise reduction barrier piece be 8cm ~
15cm。
4. axial-flow pump formula propeller according to claim 3, it is characterised in that：Between two neighboring noise reduction barrier piece most
Big distance is 8cm ~ 12cm.
5. axial-flow pump formula propeller according to claim 4, it is characterised in that：The noise reduction barrier piece includes iron plate,
The two sides of the iron plate are equipped with Noise reduction tile, and there are gaps between the Noise reduction tile and iron plate.
6. axial-flow pump formula propeller according to claim 1, it is characterised in that：The water inlet diameter of the pod is it
1.2 times of water outlet diameter.
7. axial-flow pump formula propeller according to claim 1 or 6, it is characterised in that：The width of the pod compares spiral
The big 20cm of the width of paddle, the blade of the propeller is apart from pod inner wall 1cm ~ 2cm.
8. axial-flow pump formula propeller according to claim 7, it is characterised in that：The propeller is located in pod
Between.
9. axial-flow pump formula propeller according to claim 1, it is characterised in that：Umbellate form people is used in the change gear case
Word tooth.
10. axial-flow pump formula propeller according to claim 9, it is characterised in that：The main transmission tooth of the umbellate form double helical tooth
It is with the differential ratio for being transmitted tooth（1.3~1.5）:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810378.6A CN108860539A (en) | 2018-07-23 | 2018-07-23 | A kind of axial-flow pump formula propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810378.6A CN108860539A (en) | 2018-07-23 | 2018-07-23 | A kind of axial-flow pump formula propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108860539A true CN108860539A (en) | 2018-11-23 |
Family
ID=64304559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810810378.6A Pending CN108860539A (en) | 2018-07-23 | 2018-07-23 | A kind of axial-flow pump formula propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108860539A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183405A (en) * | 2021-11-24 | 2022-03-15 | 江苏大学 | Inlet silencer of axial flow pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093665A (en) * | 1994-02-25 | 1994-10-19 | 周锦宇 | Open-to-water propelling device for high-speed water-discharging ship |
| JPH07246994A (en) * | 1994-03-10 | 1995-09-26 | Miura Kaiun Kk | Marine propulsion unit |
| WO2005049423A2 (en) * | 2003-11-18 | 2005-06-02 | Distributed Thermal Systems Ltd. | Coaxial propulsion systems with flow modification element |
| CN2753670Y (en) * | 2004-12-09 | 2006-01-25 | 王宝民 | Tandem screw propeller |
| CN101830278A (en) * | 2010-05-13 | 2010-09-15 | 中国农业大学 | Serial axial-flow water jet propulsion pump |
| CN107499485A (en) * | 2017-09-06 | 2017-12-22 | 艾美达（天津）科技有限公司 | A kind of axial-flow pump formula screw propeller |
| CN208559722U (en) * | 2018-07-23 | 2019-03-01 | 山东韩德节能设备有限公司 | A kind of axial-flow pump formula propeller |
-
2018
- 2018-07-23 CN CN201810810378.6A patent/CN108860539A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093665A (en) * | 1994-02-25 | 1994-10-19 | 周锦宇 | Open-to-water propelling device for high-speed water-discharging ship |
| JPH07246994A (en) * | 1994-03-10 | 1995-09-26 | Miura Kaiun Kk | Marine propulsion unit |
| WO2005049423A2 (en) * | 2003-11-18 | 2005-06-02 | Distributed Thermal Systems Ltd. | Coaxial propulsion systems with flow modification element |
| CN2753670Y (en) * | 2004-12-09 | 2006-01-25 | 王宝民 | Tandem screw propeller |
| CN101830278A (en) * | 2010-05-13 | 2010-09-15 | 中国农业大学 | Serial axial-flow water jet propulsion pump |
| CN107499485A (en) * | 2017-09-06 | 2017-12-22 | 艾美达（天津）科技有限公司 | A kind of axial-flow pump formula screw propeller |
| CN208559722U (en) * | 2018-07-23 | 2019-03-01 | 山东韩德节能设备有限公司 | A kind of axial-flow pump formula propeller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183405A (en) * | 2021-11-24 | 2022-03-15 | 江苏大学 | Inlet silencer of axial flow pump |
| WO2023093507A1 (en) * | 2021-11-24 | 2023-06-01 | 江苏大学 | Inlet silencer of axial-flow pump |
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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 | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20240419 |