CN112128037B - Double-shaft bidirectional angle-variable cone pulley - Google Patents
Double-shaft bidirectional angle-variable cone pulley Download PDFInfo
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- CN112128037B CN112128037B CN202011104311.4A CN202011104311A CN112128037B CN 112128037 B CN112128037 B CN 112128037B CN 202011104311 A CN202011104311 A CN 202011104311A CN 112128037 B CN112128037 B CN 112128037B
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- impeller
- water inlet
- sleeve
- fixing ring
- central shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/006—Sealing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a double-shaft bidirectional variable angle cone pulley, which comprises: the water inlet channel is formed in the outer cylinder; the sealed water inlet end cover is connected to the top end of the outer barrel; the water inlets are circumferentially distributed at the side end of the sealed water inlet end cover and are communicated with the water inlet channel; the sleeve is arranged at the center of the outer barrel, the top end of the sleeve penetrates through the sealed water inlet end cover, and the bottom end of the sleeve is connected with the first impeller group; the central shaft rod penetrates through the sleeve, the two ends of the central shaft rod are exposed out of the sleeve, the bottom end of the central shaft rod is connected with a second impeller set, and the second impeller set and the first impeller set are opposite in rotation direction. When falling water enters the water inlet channel, the sleeve connected with the first impeller set rotates towards one direction, and the central shaft rod connected with the second impeller set rotates towards the other direction, so that the sleeve and the central shaft rod rotate in opposite directions, and a double-shaft concentric bidirectional output mode is formed.
Description
Technical Field
The invention relates to the technical field of hydroelectric power generation equipment, in particular to a double-shaft bidirectional variable-angle cone pulley.
Background
The basic principle of hydroelectric generation is that the potential energy of water is converted into the mechanical energy of a water wheel by utilizing the water level difference and matching with a hydraulic generator to generate electric power, and then the mechanical energy is used for driving the generator to obtain the electric power.
Most of hydroelectric generators in the prior stage are side-push wheel rotating type generator sets, and have the following defects: firstly, the power generation efficiency can be effectively ensured only by installing the generator at a large water level drop position, so that a high-level dam is needed, the investment is huge, and the construction cost is high; secondly, the side push wheel rotating type water is not fully utilized.
Disclosure of Invention
In order to achieve the above object, the present invention discloses a biaxial bidirectional variable angle cone pulley, comprising:
the water inlet channel is formed in the outer cylinder;
the sealed water inlet end cover is connected to the top end of the outer barrel;
the water inlets are circumferentially distributed at the side end of the sealed water inlet end cover and are communicated with the water inlet channel;
the sleeve is arranged at the center of the outer barrel, the top end of the sleeve penetrates through the sealed water inlet end cover, and the bottom end of the sleeve is connected with the first impeller group;
the central shaft rod penetrates through the sleeve, the two ends of the central shaft rod are exposed out of the sleeve, the bottom end of the central shaft rod is connected with a second impeller set, and the second impeller set and the first impeller set are opposite in rotation direction.
Preferably, the first impeller set is formed by connecting a plurality of first impeller units along the flow direction of the water inlet channel, and each first impeller unit comprises:
the impeller cylinder is positioned in the outer cylinder, and a first impeller mounting chamber and a second impeller mounting chamber are formed in the impeller cylinder;
the first impeller mounting chamber is arranged close to the upper fixing ring;
the hollow part is spirally arranged at the side end of the impeller cylinder;
the supporting columns are vertically connected between the upper fixing ring and the lower fixing ring and are used for supporting the hollow parts;
the first impeller is positioned in the first impeller mounting chamber, the edge end of the first impeller is fixedly connected to the supporting column, and the bottom end of the sleeve is connected with the first impeller.
Preferably, the second impeller group is located the second impeller installation indoor, the second impeller group equals quantity and sets up in first impeller group, the second impeller group includes impeller installation department and blade, impeller installation department connects on the central axostylus axostyle, the blade spiral is around establishing many circles in impeller installation department side, the blade upper surface forms the runner.
Preferably, the spiral direction of the blade is opposite to the spiral direction of the supporting strip.
Preferably, the side end of the sealed water inlet end cover is a regular hexagon, and six water inlets are connected to each plane of the side end of the sealed water inlet end cover.
Preferably, the top end of the sleeve is connected with a first bevel gear, and the top end of the central shaft rod is connected with a second bevel gear.
Preferably, the bottom end of the outer barrel is connected with a water outlet base.
Preferably, the outer end of the supporting column is attached to the inner wall of the outer barrel.
Preferably, the blade is spirally wound by two circles at the side end of the impeller mounting part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the connection between the first impeller assembly and the casing according to the present invention;
FIG. 4 is a schematic view of the connection of the first impeller set and the sleeve, and the connection of the second impeller set and the central shaft according to the present invention;
FIG. 5 is a schematic structural view of a first impeller assembly according to the present invention;
FIG. 6 is a schematic view of a second impeller set according to the present invention;
FIG. 7 is a schematic view of the inner structure of the first and second impeller mounting chambers in the present invention;
fig. 8 is a schematic structural view of a first impeller according to the present invention.
In the figure: 1. an outer cylinder; 2. sealing the water inlet end cover; 3. a water inlet; 4. a sleeve; 5. a first impeller set; 6. a central shaft; 7. a second impeller group; 50. an impeller barrel; 51. a first impeller unit; 52. an upper fixing ring; 53. a lower fixing ring; 54. mounting holes; 55. a hollow-out section; 56. a support pillar; 57. a first impeller; 71. an impeller mounting portion; 72. a blade; 81. a first bevel gear; 82. a second bevel gear.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 8, the biaxial bidirectional variable angle cone pulley provided in this embodiment includes:
the water inlet device comprises an outer barrel 1, wherein a water inlet channel is formed in the outer barrel 1;
the sealed water inlet end cover 2 is connected to the top end of the outer barrel 1;
the water inlets 3 are circumferentially distributed at the side end of the sealed water inlet end cover 2, and the water inlets 3 are communicated with a water inlet channel;
the sleeve 4 is arranged at the center of the outer barrel, the top end of the sleeve 4 penetrates through the sealed water inlet end cover 2, and the bottom end of the sleeve 4 is connected with the first impeller group 5;
the central shaft lever 6, the central shaft lever 4 is worn to locate in the sleeve pipe 4, the sleeve pipe 4 setting is all exposed at the 6 both ends of central shaft lever, the 4 bottom of central shaft lever is connected with second impeller group 7, second impeller group 7 turns to opposite with first impeller group 5.
In one embodiment, the first impeller assembly 5 is formed by connecting a plurality of first impeller units 51 along the flow direction of the water inlet channel, and the first impeller units 51 include:
the impeller cylinder 50 is positioned in the outer cylinder 1, and a first impeller mounting chamber and a second impeller mounting chamber are formed in the impeller cylinder 50;
the impeller comprises an upper fixing ring 52 and a lower fixing ring 53, wherein the upper fixing ring 52 is fixedly connected to the top end of the impeller cylinder 50, the lower fixing ring 53 is fixedly connected to the bottom end of the impeller cylinder 50, a plurality of mounting holes 54 are circumferentially formed in the upper fixing ring 52 and the lower fixing ring 53, and the first impeller mounting chamber is arranged close to the upper fixing ring 52;
a hollow part 55, wherein the hollow part 55 is spirally arranged at the side end of the impeller cylinder 50;
a plurality of support columns 56 vertically connected between the upper fixing ring 52 and the lower fixing ring 53, the support columns 56 supporting the hollow portions 55;
the first impeller 57 is positioned in the first impeller mounting chamber, the edge end of the first impeller 57 is fixedly connected to the supporting column 56, and the bottom end of the sleeve 4 is connected with the first impeller 57.
In one embodiment, the second impeller set 7 is located in a second impeller installation chamber, the second impeller set 7 is disposed in an equal number to the first impeller set 5, the second impeller set 7 includes an impeller installation portion 71 and blades 72, the impeller installation portion 71 is connected to the central shaft 6, the blades 72 are spirally wound for a plurality of turns at the side end of the impeller installation portion 71, and the upper surfaces of the blades 72 form a flow passage.
In one embodiment, the blades 72 are threaded in a direction opposite to the support bars 56.
In one embodiment, the side end of the sealed water inlet end cover 2 is provided with a regular hexagon, and six water inlets 3 are connected to each plane of the side end of the sealed water inlet end cover 2.
In one embodiment, a first bevel gear 81 is connected to the top end of the sleeve 4, and a second bevel gear 82 is connected to the top end of the central shaft 6.
In one embodiment, the bottom end of the outer cylinder 1 is connected with a water outlet base.
In one embodiment, the outer end of the supporting column 56 is attached to the inner wall of the outer cylinder 1.
In one embodiment, the vanes 72 are helically wound around the side end of the impeller mounting portion 71 for two turns.
The working principle of the invention is as follows:
different from the working principle of a side-push-wheel-rotating type generator set, the invention discloses a double-shaft two-way variable-angle cone pulley, wherein a sealed water inlet end cover 2 seals the top end of an outer barrel 1, falling water falls into the outer barrel 1 from a water inlet 3 and the sealed water inlet end cover 2 to sequentially impact a first impeller set 5 and a second impeller set 7, the first impeller set 5 is formed by connecting a plurality of first impeller units 51, the connection between the first impeller units 51 is realized through mounting holes 54 on an adjacent upper fixing ring 52 and a lower fixing ring 53, a first impeller 57 arranged in a first impeller mounting chamber is connected with the bottom end of a sleeve 4, the edge end of the first impeller 57 is fixedly connected to a support pillar 56, so that the integral arrangement between the first impeller 57 and the inner wall of an impeller barrel 50 is realized, and when the falling water in a water inlet channel impacts the first impeller 57, the sleeve 4 connected with the first impeller 57 is driven, And the impeller cylinder 50 connected with the first impeller 57 rotates in the forward direction, the first bevel gear 81 connected with the top end of the sleeve 4 outputs the forward rotating force, the hollow part 55 arranged in a spiral shape is arranged at the side end of the impeller cylinder 50, the dead weight of the impeller cylinder 50 is reduced, meanwhile, the contact area between the outer wall of the impeller cylinder 50 and the inner wall of the outer cylinder 1 is reduced, the self-priming force is prevented from being generated between the two, the forward rotation of the sleeve 4 is interfered, the second impeller group 7 is positioned in the second impeller mounting chamber, the second impeller groups 7 are arranged in the first impeller group 5 in equal number, the second impeller group 7 is connected with the central shaft lever 6 through the impeller mounting part 71, the falling water passes through the flow channel on the upper surface of the impeller 72, so as to drive the second impeller group 7 to drive the central shaft lever 6 to rotate in the reverse direction, the gear 82 connected with the top end of the central shaft lever 6 outputs the reverse rotating force, and finally the falling water is discharged from the bottom end of the outer cylinder 1, the first bevel gear 81 connected to the top end of the sleeve 4 and the second bevel gear 82 connected to the top end of the central shaft 6 form a biaxial bidirectional output form with two different directions of rotation in the forward direction and the reverse direction.
The invention has the beneficial effects that:
the first impeller set 5 and the second impeller set 7 are sequentially arranged in the outer barrel 1 at intervals (namely, the first impeller set 5 is arranged in the outer barrel 1 in an odd number sequence, the second impeller set 7 is arranged in the outer barrel 1 in an even number sequence), when falling water enters the water inlet channel, the sleeve 4 connected with the first impeller set 5 positioned on the odd number layer rotates towards one direction, the central shaft rod 6 connected with the second impeller set 7 positioned on the even number layer rotates towards the other direction, so that the directions of the sleeve 4 and the central shaft rod 6 are opposite, a double-shaft concentric two-way output mode is formed, a double-shaft two-way output mode with two different directions of forward and reverse directions generates rotating forces in two directions, the relative motion of the first impeller set 5 and the second impeller set 7 greatly improves the motion rotating speed, the rotating speed is an important condition of energy conversion, the stress direction of the power output end is changed through the gearbox, and the rotating speed is adjusted to drive the generator to rotate, the purpose of cutting magnetic lines to generate electricity is achieved. Therefore, the high-efficiency power generation can be realized by falling water with the water level difference of 30-50 meters, the large water level difference is not needed, the construction cost is reduced, and meanwhile, the water utilization rate is high.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. A biaxial bidirectional variable angle cone pulley, comprising:
the water inlet device comprises an outer barrel (1), wherein a water inlet channel is formed in the outer barrel (1);
the sealed water inlet end cover (2), the sealed water inlet end cover (2) is connected to the top end of the outer barrel (1);
the water inlets (3) are circumferentially distributed at the side end of the sealed water inlet end cover (2), and the water inlets (3) are communicated with a water inlet channel;
the sleeve (4) is arranged at the center of the outer barrel, the top end of the sleeve (4) penetrates through the sealed water inlet end cover (2), and the bottom end of the sleeve (4) is connected with the first impeller group (5);
the central shaft rod (6) penetrates through the sleeve (4), the two ends of the central shaft rod (6) are exposed out of the sleeve (4), the bottom end of the central shaft rod (6) is connected with a second impeller group (7), and the direction of the second impeller group (7) is opposite to that of the first impeller group (5);
the first impeller set (5) is formed by connecting a plurality of first impeller units (51) along the flow direction of a water inlet channel, wherein each first impeller unit (51) comprises:
the impeller cylinder (50) is positioned in the outer cylinder (1), and a first impeller mounting chamber and a second impeller mounting chamber are formed in the impeller cylinder (50);
the impeller mounting structure comprises an upper fixing ring (52) and a lower fixing ring (53), wherein the upper fixing ring (52) is fixedly connected to the top end of an impeller cylinder (50), the lower fixing ring (53) is fixedly connected to the bottom end of the impeller cylinder (50), a plurality of mounting holes (54) are circumferentially formed in the upper fixing ring (52) and the lower fixing ring (53), and a first impeller mounting chamber is arranged close to the upper fixing ring (52);
the hollow part (55), the hollow part (55) is spirally arranged at the side end of the impeller cylinder (50);
supporting columns (56), a plurality of which are vertically connected between the upper fixing ring (52) and the lower fixing ring (53), the supporting columns (56) being used for supporting the hollowed-out portion (55);
the first impeller (57), the first impeller (57) is located in the first impeller mounting chamber, the edge end of the first impeller (57) is fixedly connected to the supporting column (56), and the bottom end of the sleeve (4) is connected with the first impeller (57).
2. The biaxial bidirectional variable angle cone pulley according to claim 1, wherein the second impeller set (7) is located in a second impeller mounting chamber, the second impeller set (7) is provided in an equal number to the first impeller set (5), the second impeller set (7) comprises an impeller mounting portion (71) and a blade (72), the impeller mounting portion (71) is connected to the central shaft rod (6), the blade (72) is spirally wound for a plurality of turns at a side end of the impeller mounting portion (71), and a flow channel is formed on an upper surface of the blade (72).
3. The biaxial bidirectional variable angle cone pulley according to claim 2, characterized in that the helical direction of the blades (72) is opposite to the helical direction of the hollowed-out portion (55).
4. The double-shaft bidirectional variable-angle cone pulley according to claim 1, wherein the sealed water inlet end cover (2) is regular hexagonal, and six water inlets (3) are connected to each plane of the sealed water inlet end cover (2).
5. The biaxial bidirectional variable angle cone pulley according to claim 1, characterized in that a first bevel gear (81) is connected to the top end of the sleeve (4), and a second bevel gear (82) is connected to the top end of the central shaft (6).
6. The biaxial bidirectional variable angle cone pulley according to claim 1, characterized in that a water outlet base is connected to the bottom end of the outer cylinder (1).
7. The biaxial bidirectional variable angle cone pulley according to claim 1, wherein the outer ends of the supporting columns (56) are attached to the inner wall of the outer cylinder (1).
8. The biaxial bidirectional variable angle cone pulley according to claim 2, wherein the blades (72) are spirally wound around the side end of the impeller mounting portion (71) for two turns.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011104311.4A CN112128037B (en) | 2020-10-15 | 2020-10-15 | Double-shaft bidirectional angle-variable cone pulley |
| PCT/CN2020/123894 WO2022077554A1 (en) | 2020-10-15 | 2020-10-27 | Double-shaft bidirectional angle-variable step pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011104311.4A CN112128037B (en) | 2020-10-15 | 2020-10-15 | Double-shaft bidirectional angle-variable cone pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112128037A CN112128037A (en) | 2020-12-25 |
| CN112128037B true CN112128037B (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011104311.4A Active CN112128037B (en) | 2020-10-15 | 2020-10-15 | Double-shaft bidirectional angle-variable cone pulley |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112128037B (en) |
| WO (1) | WO2022077554A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202157896U (en) * | 2011-04-29 | 2012-03-07 | 伍海光 | Tidal power generation device |
| CN102575637A (en) * | 2009-07-21 | 2012-07-11 | 生态技术株式会社 | Hydroelectric power generating equipment |
| CN102953899A (en) * | 2011-08-16 | 2013-03-06 | 董禹全 | Bidirectional work technology for water turbine |
| CN205349604U (en) * | 2016-02-02 | 2016-06-29 | 华北电力大学（保定） | Double fast wave power generation facility |
| JP2019143535A (en) * | 2018-02-21 | 2019-08-29 | 国立大学法人徳島大学 | Counter-rotating impeller and fluid machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201090357Y (en) * | 2007-10-12 | 2008-07-23 | 鹤壁职业技术学院机电工程学院 | Counter-rotating hydroelectric generator |
| CA2676363C (en) * | 2008-08-21 | 2014-04-15 | Claudio D. Carosi | Wind and water manipulator and turbine |
| CN103161648A (en) * | 2011-12-08 | 2013-06-19 | 罗才德 | Double-impeller rotation hydroelectric generator |
| CN203655514U (en) * | 2013-12-24 | 2014-06-18 | 郑小兵 | Double-stage oppositely-impacting water turbine |
| CN206419153U (en) * | 2017-01-20 | 2017-08-18 | 华北电力大学（保定） | A kind of generation of electricity by new energy device |
| CN110601422A (en) * | 2019-10-22 | 2019-12-20 | 青岛厚德新能源科技开发有限公司 | Vertical shaft double-rotor hydroelectric generator |
-
2020
- 2020-10-15 CN CN202011104311.4A patent/CN112128037B/en active Active
- 2020-10-27 WO PCT/CN2020/123894 patent/WO2022077554A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575637A (en) * | 2009-07-21 | 2012-07-11 | 生态技术株式会社 | Hydroelectric power generating equipment |
| CN202157896U (en) * | 2011-04-29 | 2012-03-07 | 伍海光 | Tidal power generation device |
| CN102953899A (en) * | 2011-08-16 | 2013-03-06 | 董禹全 | Bidirectional work technology for water turbine |
| CN205349604U (en) * | 2016-02-02 | 2016-06-29 | 华北电力大学（保定） | Double fast wave power generation facility |
| JP2019143535A (en) * | 2018-02-21 | 2019-08-29 | 国立大学法人徳島大学 | Counter-rotating impeller and fluid machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112128037A (en) | 2020-12-25 |
| WO2022077554A1 (en) | 2022-04-21 |
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