CN110513231B - Outer hydro-cylinder control structure of commentaries on classics oar - Google Patents
Outer hydro-cylinder control structure of commentaries on classics oar Download PDFInfo
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- CN110513231B CN110513231B CN201910846186.5A CN201910846186A CN110513231B CN 110513231 B CN110513231 B CN 110513231B CN 201910846186 A CN201910846186 A CN 201910846186A CN 110513231 B CN110513231 B CN 110513231B
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- China
- Prior art keywords
- fixed
- rod
- oil cylinder
- pull rod
- main 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
- F03B3/14—Rotors having adjustable blades
- F03B3/145—Mechanisms for adjusting the blades
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses a control structure of an outer oil cylinder of a rotary paddle, and relates to the technical field of water turbine control. The hydraulic turbine hydraulic cylinder comprises a first oil cylinder, a pull rod is fixed on an output shaft of the first oil cylinder, a first rotating shaft is fixed on the outer side of the pull rod, a connecting groove is fixed on the outer ring of the first rotating shaft, a connecting rod is fixed at one end of the connecting groove, a second oil cylinder is fixed at one end of the connecting rod, a buffer is movably connected to the outer ring of the pull rod, a hydraulic turbine main shaft is fixed at one end of the buffer, a protective shell is movably connected to the outer side of the hydraulic turbine main shaft, a threaded rod is connected between the protective shell and the hydraulic turbine main shaft in a threaded mode, a second rotating. According to the invention, through the action of the pull rod, the pull rod is arranged in the vacant position of the main shaft of the water turbine, one end of the pull rod is fixedly connected with the output shaft of the first oil cylinder, the other end of the pull rod is connected with the first rotating shaft, and the second oil cylinder pushes the pull rod in a reciprocating manner, so that the first oil cylinder realizes the propeller rotation.
Description
Technical Field
The invention belongs to the technical field of water turbine control, and particularly relates to a control structure of an outer oil cylinder of a rotary paddle.
Background
The hydraulic turbine is a power machine for converting the energy of water flow into rotary mechanical energy, and belongs to the turbine machinery in fluid machinery. As early as 100 years before the Yuan, China has developed a rudiment of a water turbine, namely a water wheel, which is used for pumping irrigation and driving grain processing equipment. Modern water turbines are mostly installed in hydropower stations and are used for driving generators to generate electricity. In a hydropower station, water in an upstream reservoir is guided to a water turbine through a water guide pipe to push a water turbine runner to rotate so as to drive a generator to generate electricity. The water after doing work is discharged to the downstream through the tail water pipeline. The higher the water head and the larger the flow, the larger the output power of the water turbine is.
A hydraulic control system adopted by the conventional water turbine blade adjusting is generally characterized in that oil is supplied to a blade rotating oil cylinder through an oil receiver arranged at the rear end of a main shaft of the water turbine and is supplied to the blade adjusting oil cylinder through an inner oil pipe and an outer oil pipe so as to realize blade adjusting, and the condition that the blade adjusting is unstable due to oil leakage caused by abrasion of a moving sealing element is often caused because an inner sleeve of the oil receiver is abraded by the main shaft of the water turbine.
Disclosure of Invention
The invention aims to provide a control structure of an outer oil cylinder of a rotating paddle, wherein the pull rod is arranged in a vacant position in a main shaft of a water turbine under the action of the pull rod, one end of the pull rod is fixedly connected with an output shaft of a first oil cylinder, the other end of the pull rod is connected with a first rotating shaft, and a second oil cylinder pushes the pull rod in a reciprocating manner to enable the first oil cylinder to realize the rotating paddle.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a control structure of an external oil cylinder of a rotary paddle, which comprises a first oil cylinder, wherein a pull rod is fixed on an output shaft of the first oil cylinder, a first rotating shaft is fixed on the outer side of the pull rod, a connecting groove is fixed on the outer ring of the first rotating shaft, a connecting rod is fixed at one end of the connecting groove, and a second oil cylinder is fixed at one end of the connecting rod;
the utility model discloses a hydraulic turbine, including pull rod, bumper, hydraulic turbine main shaft, protective housing and hydraulic turbine main shaft, pull rod outer lane swing joint has the bumper, bumper one end is fixed with the hydraulic turbine main shaft, hydraulic turbine main shaft outside swing joint has the protecting crust, threaded connection has the threaded rod between protective housing and the hydraulic turbine main shaft, the protecting crust inner circle is fixed with the second pivot, second pivot inner circle is fixed with the hydro-cylinder seat, hydro-cylinder seat and second hydro-cylinder fixed connection.
Furthermore, the buffer comprises a connecting plate, the connecting plate is fixedly connected with the inner wall of the main shaft of the water turbine, and a supporting rod is fixed on one side of the connecting plate.
Furthermore, a movable plate is fixed at one end of the supporting rod, and a plurality of protective shells are fixed on the surface of the movable plate.
Furthermore, a first spring is fixed inside the protective shell, a connecting plate is fixed at one end of the first spring, and a protective rod is fixed on one side of the connecting plate.
Furthermore, the two ends of the protection rod are provided with placing grooves, telescopic rods are fixed inside the placing grooves, the outer sides of the telescopic rods are sleeved with second springs, and one end of each telescopic rod is fixed with a protection plate.
Furthermore, one side of the protection plate is connected with a ball in a rolling manner, and both sides of the protection rod are fixed with limiting rods.
Furthermore, a limiting plate is fixed on one side of the limiting rod, a limiting groove is sleeved on the outer side of the limiting rod, and a positioning rod is fixed on one side of the limiting groove.
Furthermore, a movable groove is fixed at one end of the positioning rod, and a movable block is connected inside the movable groove in a rolling manner.
Furthermore, the movable block is of a spherical structure, and the movable groove is in rolling connection with the movable block.
The invention has the following beneficial effects:
1. according to the invention, through the action of the pull rod, the pull rod is arranged in the vacant position of the main shaft of the water turbine, one end of the pull rod is fixedly connected with the output shaft of the first oil cylinder, the other end of the pull rod is connected with the first rotating shaft, and the second oil cylinder pushes the pull rod in a reciprocating manner, so that the first oil cylinder realizes the propeller rotation.
2. The buffer supports the pull rod under the action of the buffer, so that the direct collision between the pull rod and a main shaft of a water turbine is prevented, the pull rod is protected, the abrasion of the pull rod is avoided, and the service life of the pull rod is prolonged.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a control structure of an external cylinder of a rotary paddle according to the present invention;
FIG. 2 is a schematic diagram of a right-view structure according to the present invention;
FIG. 3 is a schematic view of a rear view structure according to the present invention;
FIG. 4 is a schematic bottom view of the present invention;
FIG. 5 is a schematic diagram of a buffer structure according to the present invention;
FIG. 6 is a schematic view of the internal structure of the protective case of the present invention;
FIG. 7 is a schematic view of the protective shell of the present invention from a bottom perspective;
in the drawings, the components represented by the respective reference numerals are listed below:
1-first cylinder, 2-pull rod, 3-first rotating shaft, 4-connecting groove, 5-connecting rod, 6-second cylinder, 7-buffer, 8-turbine main shaft, 9-protective shell, 10-threaded rod, 11-second rotating shaft, 12-cylinder seat, 13-connecting plate, 14-supporting rod, 15-movable plate, 16-protective shell, 17-first spring, 18-connecting plate, 19-protective rod, 20-standing groove, 21-telescopic rod, 22-second spring, 23-protective plate, 24-ball, 25-limiting rod, 26-limiting plate, 27-limiting groove, 28-positioning rod, 29-movable groove and 30-movable block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-7, the present invention is a control structure for an external cylinder of a rotary paddle, including a first cylinder 1, a pull rod 2 fixed to an output shaft of the first cylinder 1, a first rotating shaft 3 fixed to an outer side of the pull rod 2, a connecting groove 4 fixed to an outer ring of the first rotating shaft 3, a connecting rod 5 fixed to one end of the connecting groove 4, and a second cylinder 6 fixed to one end of the connecting rod 5;
the outer ring of the pull rod 2 is movably connected with a buffer 7, one end of the buffer 7 is fixed with a water turbine main shaft 8, the outer side of the water turbine main shaft 8 is movably connected with a protective shell 9, a threaded rod 10 is connected between the protective shell 9 and the water turbine main shaft 8 in a threaded mode, a second rotating shaft 11 is fixed to the inner ring of the protective shell 9, an oil cylinder seat 12 is fixed to the inner ring of the second rotating shaft 11, and the oil cylinder seat 12 is fixedly connected with a second oil cylinder 6.
As shown in fig. 5, the buffer 7 includes a connecting plate 13, the connecting plate 13 is fixedly connected to the inner wall of the main shaft 8 of the water turbine, and a support rod 14 is fixed to one side of the connecting plate 13.
As shown in fig. 5, a movable plate 15 is fixed at one end of the supporting rod 14, and a plurality of protective cases 16 are fixed on the surface of the movable plate 15.
As shown in fig. 6, a first spring 17 is fixed inside the protective shell 16, a connecting plate 18 is fixed at one end of the first spring 17, a guard bar 19 is fixed at one side of the connecting plate 18, and the guard bar 19 is supported by the acting force of the first spring 17 to be upward, so that the protective shell is more stable.
As shown in fig. 6, the two ends of the protection rod 19 are both provided with a placement groove 20, an expansion rod 21 is fixed inside the placement groove 20, the outer side of the expansion rod 21 is sleeved with a second spring 22, one end of the expansion rod 21 is fixed with a protection plate 23, and the second spring 22 can provide support for the protection plate 23 and the rolling balls 24, so that the rolling balls 24 are in protective contact with the inner wall of the protection shell 16.
As shown in fig. 6, one side of the protection plate 23 is connected with a ball 24 in a rolling manner, both sides of the protection rod 19 are fixed with a limiting rod 25, and the ball 24 is connected with the inner wall of the protection shell 16 in a rolling manner, so that not only is the friction force between the protection rod 19 and the protection shell 16 reduced, but also the movement of the protection rod 19 is more stable.
As shown in fig. 6, a limiting plate 26 is fixed on one side of the limiting rod 25, a limiting groove 27 is sleeved on the outer side of the limiting rod 25, and a positioning rod 28 is fixed on one side of the limiting groove 27, so that the protection rod 19 can move up and down in the protection shell 16, and the protection rod 19 is prevented from deviating.
As shown in fig. 6, a movable groove 29 is fixed at one end of the positioning rod 28, a movable block 30 is connected inside the movable groove 29 in a rolling manner, and the movable block 30 is connected with the surface of the pull rod 2 in a rolling manner to prevent the pull rod 2 from directly impacting the main shaft 8 of the water turbine, so that the pull rod 2 is protected.
As shown in FIG. 6, the movable block 30 is a ball-shaped structure, the movable groove 29 is connected with the movable block 30 in a rolling manner, and the arrangement can enable the movable block 30 to flexibly roll in the movable groove 29, so that the friction between the movable block 30 and the movable groove 29 is smaller.
The working principle of the embodiment is as follows: in the working process of the invention, a water turbine main shaft 8 rotates on the outer ring of a pull rod 2, a first rotating shaft 3 and a second rotating shaft 11 can enable the connection between a first oil cylinder 1 and a second oil cylinder 6 to be more flexible, an oil cylinder seat 12 is connected with an output shaft of the first oil cylinder 1 through the first rotating shaft 3 and the second rotating shaft 11 to bear axial thrust, the pull rod 2 is arranged in a vacant position in the water turbine main shaft 8, one end of the pull rod is fixedly connected with the output shaft of the first oil cylinder 1, the other end of the pull rod is connected with the first rotating shaft, the second oil cylinder 6 pushes the pull rod 2 in a reciprocating mode to enable the first oil cylinder 1 to realize propeller rotation, and meanwhile, a buffer 7 supports the pull rod 2 to prevent the pull.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (1)
1. The utility model provides an outer hydro-cylinder control structure of oar changes, includes first hydro-cylinder (1), its characterized in that: a pull rod (2) is fixed on an output shaft of the first oil cylinder (1), a first rotating shaft (3) is fixed on the outer side of the pull rod (2), a connecting groove (4) is fixed on the outer ring of the first rotating shaft (3), a connecting rod (5) is fixed at one end of the connecting groove (4), and a second oil cylinder (6) is fixed at one end of the connecting rod (5);
the outer ring of the pull rod (2) is movably connected with a buffer (7), one end of the buffer (7) is fixedly provided with a water turbine main shaft (8), the outer side of the water turbine main shaft (8) is movably connected with a protective shell (9), a threaded rod (10) is in threaded connection between the protective shell (9) and the water turbine main shaft (8), a second rotating shaft (11) is fixed on the inner ring of the protective shell (9), an oil cylinder seat (12) is fixed on the inner ring of the second rotating shaft (11), and the oil cylinder seat (12) is fixedly connected with a second oil cylinder (6);
the buffer (7) comprises a connecting plate (13), the connecting plate (13) is fixedly connected with the inner wall of the main shaft (8) of the water turbine, and a supporting rod (14) is fixed on one side of the connecting plate (13);
a movable plate (15) is fixed at one end of the supporting rod (14), and a plurality of protective shells (16) are fixed on the surface of the movable plate (15);
a first spring (17) is fixed inside the protective shell (16), a connecting plate (18) is fixed at one end of the first spring (17), and a protective rod (19) is fixed on one side of the connecting plate (18);
both ends of the protection rod (19) are provided with placing grooves (20), a telescopic rod (21) is fixed in each placing groove (20), the outer side of each telescopic rod (21) is sleeved with a second spring (22), and one end of each telescopic rod (21) is fixed with a protection plate (23);
one side of the protection plate (23) is connected with a ball (24) in a rolling way, and both sides of the protection rod (19) are fixed with limit rods (25);
a limiting plate (26) is fixed on one side of the limiting rod (25), a limiting groove (27) is sleeved on the outer side of the limiting rod (25), and a positioning rod (28) is fixed on one side of the limiting groove (27);
a movable groove (29) is fixed at one end of the positioning rod (28), and a movable block (30) is connected in the movable groove (29) in a rolling manner;
the movable block (30) is of a spherical structure, and the movable groove (29) is in rolling connection with the movable block (30).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910846186.5A CN110513231B (en) | 2019-09-09 | 2019-09-09 | Outer hydro-cylinder control structure of commentaries on classics oar |
| PCT/CN2020/079818 WO2021047160A1 (en) | 2019-09-09 | 2020-03-18 | Novel blade-rotating outer cylinder control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910846186.5A CN110513231B (en) | 2019-09-09 | 2019-09-09 | Outer hydro-cylinder control structure of commentaries on classics oar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110513231A CN110513231A (en) | 2019-11-29 |
| CN110513231B true CN110513231B (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910846186.5A Active CN110513231B (en) | 2019-09-09 | 2019-09-09 | Outer hydro-cylinder control structure of commentaries on classics oar |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110513231B (en) |
| WO (1) | WO2021047160A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513231B (en) * | 2019-09-09 | 2021-04-13 | 江西理工大学 | Outer hydro-cylinder control structure of commentaries on classics oar |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60164673A (en) * | 1984-02-04 | 1985-08-27 | Ebara Corp | Vane-angle controller for fluid machinery equipped with movable vane |
| JPS6185584A (en) * | 1984-10-03 | 1986-05-01 | Hitachi Ltd | Tubular water turbine |
| CN2505612Y (en) * | 2001-09-12 | 2002-08-14 | 郭中枹 | External servomotor for water pump and turbine impeller |
| CN103388588A (en) * | 2013-08-15 | 2013-11-13 | 戴宏岸 | Built-in rotary blade angle hydraulic pressure regulator |
| CN106593757A (en) * | 2015-12-08 | 2017-04-26 | 浙江金轮机电实业有限公司 | Novel water turbine paddle control system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB750951A (en) * | 1953-01-30 | 1956-06-20 | Karlstad Mekaniska Ab | Improvements in water turbines for tide water hydroelectric plants |
| JP4120578B2 (en) * | 2003-12-19 | 2008-07-16 | 株式会社石垣 | Lanna vane hydraulic drive. |
| CN103122823B (en) * | 2013-03-04 | 2015-12-02 | 金文奎 | Adjust structure can be driven in hydraulic turbine blades |
| CN203640921U (en) * | 2013-12-06 | 2014-06-11 | 广东鸿源众力发电设备有限公司 | Paddle adjustment operation device for water turbine |
| CN204646511U (en) * | 2015-04-04 | 2015-09-16 | 成都育芽科技有限公司 | A kind of pressure adaptive water-use for hydropower turbine blade |
| CN205315203U (en) * | 2016-01-29 | 2016-06-15 | 忠县三峡水电设备制造有限公司 | Hydraulic turbine speed adjusting device |
| CN106089548A (en) * | 2016-04-21 | 2016-11-09 | 杜建波 | A kind of decompressor of recyclable fluid energy |
| JP6396528B1 (en) * | 2017-03-24 | 2018-09-26 | 株式会社東芝 | Hydraulic blade movable blade operation system |
| CN110513231B (en) * | 2019-09-09 | 2021-04-13 | 江西理工大学 | Outer hydro-cylinder control structure of commentaries on classics oar |
-
2019
- 2019-09-09 CN CN201910846186.5A patent/CN110513231B/en active Active
-
2020
- 2020-03-18 WO PCT/CN2020/079818 patent/WO2021047160A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60164673A (en) * | 1984-02-04 | 1985-08-27 | Ebara Corp | Vane-angle controller for fluid machinery equipped with movable vane |
| JPS6185584A (en) * | 1984-10-03 | 1986-05-01 | Hitachi Ltd | Tubular water turbine |
| CN2505612Y (en) * | 2001-09-12 | 2002-08-14 | 郭中枹 | External servomotor for water pump and turbine impeller |
| CN103388588A (en) * | 2013-08-15 | 2013-11-13 | 戴宏岸 | Built-in rotary blade angle hydraulic pressure regulator |
| CN106593757A (en) * | 2015-12-08 | 2017-04-26 | 浙江金轮机电实业有限公司 | Novel water turbine paddle control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110513231A (en) | 2019-11-29 |
| WO2021047160A1 (en) | 2021-03-18 |
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Inventor after: Li Min Inventor after: Chen Huoping Inventor after: Li Jin Inventor after: Zhang Shurong Inventor after: Liu Hemei Inventor after: Zhang Rui Inventor before: Li Min Inventor before: Chen Huoping Inventor before: Zhang Shurong Inventor before: Liu Hemei Inventor before: Zhang Rui Inventor before: Li Jin |