CN112228285B - Device and method for connecting double-fed fan main shaft system and gear box - Google Patents
Device and method for connecting double-fed fan main shaft system and gear box Download PDFInfo
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- CN112228285B CN112228285B CN202011111227.5A CN202011111227A CN112228285B CN 112228285 B CN112228285 B CN 112228285B CN 202011111227 A CN202011111227 A CN 202011111227A CN 112228285 B CN112228285 B CN 112228285B
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- main shaft
- gear box
- connecting block
- side connecting
- double
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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
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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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
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
-
- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model provides a doubly-fed formula fan main shaft system and gear box connecting device, including main shaft side connecting block, middle elastomer and gear box side connecting block, main shaft side connecting block is used for installing on the main shaft of doubly-fed formula fan main shaft system through threaded connection, gear box side connecting block is used for being connected with the gear box location through the navigation key, be provided with on main shaft side connecting block and connect the arch, be provided with on the gear box side connecting block with connect protruding complex coupling groove, realize being connected of doubly-fed formula fan main shaft system and gear box through connecting protruding and coupling groove cooperation, middle elastomer is used for installing between main shaft side connecting block and the gear box side connecting block. The device connects main shaft and gear box through the mode of split connection, can improve assembly efficiency, can guarantee simultaneously that main shaft and gear box normally operate under the condition of incomplete coaxial center, and when the driving chain system takes place unusually, can separately handle main shaft system and gear box system, practices thrift the cost.
Description
Technical Field
The invention relates to the technical field of wind generating sets, in particular to a connection device of a double-fed fan main shaft system and a gear box and a connection method of the double-fed fan main shaft system and the gear box.
Background
Wind generating set belongs to a special power equipment, the driving chain plays very important effect in doubly-fed formula wind generating set, what present mainstream main shaft system and gear box connected mode adopted is the lock sleeve connected mode, after main shaft and gear box are connected, need tighten the bolt on the lock sleeve, play the effect of locking, this process is consuming time and wasting force, and at the unit that wind field hoist and mount were accomplished, when the driving chain system took place unusually, traditional driving chain system need take off entire system, consuming time and wasting force.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a connecting device of a double-fed fan main shaft system and a gear box, which has the advantages of reasonable design, convenience in disassembly and assembly and high assembly efficiency.
The invention also provides a connecting method of the double-fed fan main shaft system and the gear box connecting device.
The technical problem to be solved by the present invention is achieved by the following technical means. The invention relates to a device for connecting a double-fed fan main shaft system and a gear box, which comprises a main shaft side connecting block, a middle elastic body and a gear box side connecting block, wherein the main shaft side connecting block is used for being installed on a main shaft of the double-fed fan main shaft system through threaded connection, the gear box side connecting block is used for being connected with the gear box through a positioning key in a positioning manner, a connecting bulge is arranged on the main shaft side connecting block, a connecting groove matched with the connecting bulge is arranged on the gear box side connecting block, the double-fed fan main shaft system is connected with the gear box through the matching of the connecting bulge and the connecting groove, and the middle elastic body is used for being installed between the main shaft side connecting block and the gear box side connecting block to isolate and buffer the main shaft side connecting block and the gear box side connecting block.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the double-fed fan main shaft system and gear box connecting device, a connecting hole matched with the main shaft of the double-fed fan main shaft system is arranged in the middle of a main shaft side connecting block, inner trapezoidal threads are arranged on the inner hole wall of the connecting hole, outer trapezoidal threads are arranged at the tail part of the main shaft of the double-fed fan main shaft system, and the shaft side connecting block is in threaded connection with the main shaft of the double-fed fan main shaft system through the matching of the inner trapezoidal threads and the outer trapezoidal threads.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the double-fed fan main shaft system and gear box connecting device, the middle elastic body is provided with a middle groove matched with the connecting protrusion, and the groove bottom of the middle groove extends outwards to form a middle protrusion matched with the connecting groove.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the connecting device of the double-fed fan main shaft system and the gear box, the middle elastic body is made of a special elastic material with high pressure resistance, high impact resistance and high load.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the double-fed fan main shaft system and gear box connecting device, the main shaft side connecting block, the middle elastic body and the gear box side connecting block are all in a circular ring shape.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the connecting device of the double-fed fan main shaft system and the gear box, the number of the connecting bulges is 6, and the 6 connecting bulges are uniformly distributed along the circumferential direction of the main shaft side connecting block.
The technical problem to be solved by the invention can be further realized by the following technical scheme, and for the double-fed fan main shaft system and gear box connecting device, a double-fed fan main shaft system and gear box connecting method comprises the following steps:
(1) installing a main shaft side connecting block on a main shaft of a double-fed fan main shaft system through threaded connection;
(2) connecting the side connecting block of the gear box with the gear box in a positioning way through a positioning key;
(3) the middle elastic body is placed between the main shaft side connecting block and the gear box side connecting block, and then the main shaft side connecting block and the gear box side connecting block are connected through the connecting protrusions and the connecting grooves, so that the connection between the double-fed fan main shaft system and the gear box is realized.
Compared with the prior art, the main shaft side connecting block is installed on the main shaft of the double-fed fan main shaft system through threaded connection, the gear box side connecting block is connected with the gear box in a positioning mode through the positioning key, the middle elastic body is placed in a gap between the main shaft side connecting block and the gear box side connecting block, and the formed connecting structure has certain impact resistance by utilizing the characteristics of elastic materials; through the cooperation of being connected of axle side connecting block and gear box side connecting block, realize being connected of doubly-fed formula fan main shaft system and gear box, both improved the installation effectiveness of driving chain, had performances such as good shock attenuation, buffering again, had advantages such as making things convenient for wind field fortune dimension simultaneously. The device connects main shaft and gear box through the mode of split connection, can improve assembly efficiency, can guarantee simultaneously that main shaft and gear box normally operate under the condition of incomplete coaxial center, and when the driving chain system takes place unusually, can separately handle main shaft system and gear box system, practices thrift the cost.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view of a structure of the present invention;
FIG. 3 is a schematic structural view of a spindle-side connecting block according to the present invention;
FIG. 4 is a schematic structural view of an intermediate elastomer according to the present invention;
fig. 5 is a schematic structural view of a side connection block of the gear box of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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. 1-5, a connection device of a main shaft system and a gear box of a double-fed fan comprises a main shaft side connection block 1, a middle elastic body 2 and a gear box side connection block 3, wherein the main shaft side connection block 1 is used for being installed on a main shaft 5 of the main shaft system of the double-fed fan through threaded connection, the gear box side connection block 3 is used for being connected with the gear box through a positioning key 4 in a positioning manner, and a positioning groove matched with the positioning key 4 is formed in the gear box side connection block 3; the main shaft side connecting block 1 is provided with a connecting protrusion, the gear box side connecting block 3 is provided with a connecting groove matched with the connecting protrusion, the connection between the double-fed fan main shaft system and the gear box is realized through the matching of the connecting protrusion and the connecting groove, the middle elastic body 2 is used for being installed between the main shaft side connecting block 1 and the gear box side connecting block 3, and the main shaft side connecting block 1 and the gear box side connecting block 3 are isolated and buffered. The main shaft side connecting block 1 is used for being in transmission connection with a main shaft 5 of a double-fed fan main shaft system, the gear box side connecting block 3 is used for being in transmission connection with a gear box, the connecting protrusion is matched with the connecting groove, transmission connection of the main shaft side connecting block 1 and the gear box side connecting block 3 is achieved, transmission connection of the double-fed fan main shaft system and the gear box is further achieved, the middle elastic body 2 is used for being installed between the main shaft side connecting block 1 and the gear box side connecting block 3, isolation and buffering are conducted on the main shaft side connecting block 1 and the gear box side connecting block 3, the middle elastic body 2 can enable the main shaft side connecting block 1 and the gear box side connecting block 3 to be completely separated, and the connecting structure has certain impact resistance by utilizing the characteristics of elastic materials; a connecting transmission structure is formed between the double-fed fan spindle system and the gear box through the spindle side connecting block 1, the middle elastic body 2 and the gear box side connecting block 3, normal operation of the spindle 5 and the gear box under the condition of incomplete coaxiality can be guaranteed, the spindle 5 or the gear box can be independently processed under the condition that the fan transmission chain system is damaged, the whole transmission chain system does not need to be hung down, and cost is saved.
The middle of the main shaft side connecting block 1 is provided with a connecting hole matched with a main shaft 5 of the double-fed fan main shaft system, an inner trapezoidal thread is arranged on the inner hole wall of the connecting hole, an outer trapezoidal thread is arranged at the tail part of the main shaft 5 of the double-fed fan main shaft system, and the shaft side connecting block is matched with the outer trapezoidal thread through the inner trapezoidal thread and is in threaded connection with the main shaft 5 of the double-fed fan main shaft system. The inner trapezoidal thread and the outer trapezoidal thread are both trapezoidal threads, refer to threads with trapezoidal sections, are usually used for transmission of some mechanisms, and have certain strength and rigidity; the inner trapezoidal thread and the outer trapezoidal thread are convenient for the main shaft side connecting block 1 to be more reliably connected with the main shaft 5 of the double-fed type fan main shaft system, and a good transmission effect is achieved.
The middle elastic body 2 is provided with a middle groove matched with the connecting protrusion, and the bottom of the middle groove extends outwards to form a middle protrusion matched with the connecting groove. The middle elastic body 2 is used for being installed between the main shaft side connecting block 1 and the gear box side connecting block 3, the middle groove is used for being clamped on the connecting protrusion, and the middle protrusion is used for being inserted into the connecting groove, so that the middle elastic body can be installed between the main shaft side connecting block 1 and the gear box side connecting block 3 in a very matched mode, and the mutual connection of the main shaft side connecting block 1 and the gear box side connecting block 3 is not influenced.
The middle elastic body 2 is made of special elastic materials with high pressure resistance, high impact resistance and high load, such as metal rubber materials, the main shaft side connecting block 1 and the gear box side connecting block 3 can be completely separated, and the characteristics of the elastic materials are utilized to enable the formed connecting structure to have certain impact resistance.
The main shaft side connecting block 1, the middle elastic body 2 and the gear box side connecting block 3 are all in a circular ring shape, so that the main shaft side connecting block 1, the middle elastic body 2 and the gear box side connecting block 3 are convenient to mutually match, and the main shaft side connecting block 1 is convenient to clamp on a main shaft 5 of the double-fed fan main shaft system to transmit the double-fed fan main shaft system and the gear box.
Connect the arch and be provided with 6, 6 connect protruding circumference evenly distributed along main shaft side connection block 1, the connecting groove on the gear box side connection block 3 also corresponds and is provided with 6, be convenient for respectively with 6 protruding cooperation of being connected, with main shaft side connection block 1 and main shaft side connection block 1 reliable connection to realize the reliable connection of doubly-fed formula fan main shaft system and gear box, realize transmission between the two.
A method for connecting a main shaft system and a gear box of a double-fed fan comprises the following steps:
(1) installing a main shaft side connecting block on a main shaft of a double-fed fan main shaft system through threaded connection;
(2) connecting the side connecting block of the gear box with the gear box in a positioning way through a positioning key;
(3) the middle elastic body is placed between the main shaft side connecting block and the gear box side connecting block, and then the main shaft side connecting block and the gear box side connecting block are connected through the connecting protrusions and the connecting grooves, so that the connection between the double-fed fan main shaft system and the gear box is realized.
This application is connected main shaft and gear box through the mode that the split is connected, can improve assembly efficiency, and has performance such as good shock attenuation, buffering, has advantages such as make things convenient for wind field fortune dimension simultaneously, when the driving chain system takes place unusually, can separately handle main shaft system and gear box system simultaneously, practices thrift the cost.
The beneficial effect of this application:
1. the transmission chain is more convenient and faster to install;
2. the structure of the split connection can allow the main shaft and the gearbox bracket to have a certain eccentric amount and ensure the normal work of the transmission chain.
Claims (3)
1. The utility model provides a double-fed formula fan main shaft system and gear box connecting device which characterized in that: the device comprises a main shaft side connecting block, a middle elastic body and a gear box side connecting block, wherein the main shaft side connecting block is used for being installed on a main shaft of a double-fed fan main shaft system through threaded connection, the gear box side connecting block is used for being connected with a gear box in a positioning mode through a positioning key, a connecting bulge is arranged on the main shaft side connecting block, a connecting groove matched with the connecting bulge is formed in the gear box side connecting block, the double-fed fan main shaft system is connected with the gear box through the matching of the connecting bulge and the connecting groove, the middle elastic body is used for being installed between the main shaft side connecting block and the gear box side connecting block, and the main shaft side connecting block and the gear box side connecting block are isolated and buffered;
the middle of the main shaft side connecting block is provided with a connecting hole matched with a main shaft of the double-fed fan main shaft system, the inner hole wall of the connecting hole is provided with an inner trapezoidal thread, the tail part of the main shaft of the double-fed fan main shaft system is provided with an outer trapezoidal thread, and the main shaft side connecting block is matched with the outer trapezoidal thread through the inner trapezoidal thread and is connected with the main shaft thread of the double-fed fan main shaft system;
the middle elastic body is provided with a middle groove matched with the connecting protrusion, and the bottom of the middle groove extends outwards to form a middle protrusion matched with the connecting groove;
the connection method of the device comprises the following steps:
(1) installing a main shaft side connecting block on a main shaft of a double-fed fan main shaft system through threaded connection;
(2) connecting the side connecting block of the gear box with the gear box in a positioning way through a positioning key;
(3) the middle elastic body is placed between the main shaft side connecting block and the gear box side connecting block, and then the main shaft side connecting block and the gear box side connecting block are connected through the connecting protrusions and the connecting grooves, so that the connection between a double-fed fan main shaft system and a gear box is realized;
the middle elastic body is made of special elastic materials with high pressure resistance, high impact resistance and high load.
2. The double-fed fan main shaft system and gear box connecting device of claim 1, wherein: the main shaft side connecting block, the middle elastic body and the gear box side connecting block are all in a circular ring shape.
3. The double-fed fan main shaft system and gear box connecting device of claim 1, wherein: the connecting bulges are provided with 6 connecting bulges, and the 6 connecting bulges are uniformly distributed along the circumferential direction of the main shaft side connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011111227.5A CN112228285B (en) | 2020-10-16 | 2020-10-16 | Device and method for connecting double-fed fan main shaft system and gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011111227.5A CN112228285B (en) | 2020-10-16 | 2020-10-16 | Device and method for connecting double-fed fan main shaft system and gear box |
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| Publication Number | Publication Date |
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| CN112228285A CN112228285A (en) | 2021-01-15 |
| CN112228285B true CN112228285B (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011111227.5A Active CN112228285B (en) | 2020-10-16 | 2020-10-16 | Device and method for connecting double-fed fan main shaft system and gear box |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202381564U (en) * | 2011-12-17 | 2012-08-15 | 师宗东方红锌业有限公司 | Coupler |
| CN103210215A (en) * | 2010-10-18 | 2013-07-17 | 维斯塔斯风力系统有限公司 | Wind turbine power transmission system |
| CN103912592A (en) * | 2013-01-07 | 2014-07-09 | 诺迈士科技有限公司 | Connection mechanism of power transmission system |
| US9038281B1 (en) * | 2008-09-09 | 2015-05-26 | Matthew J. McBride | Apparatus for aligning a wind turbine generator |
| CN207049219U (en) * | 2017-07-31 | 2018-02-27 | 天津龙创恒盛实业有限公司 | Corrosion-resistant flexible sliding cross coupling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210830202U (en) * | 2019-09-17 | 2020-06-23 | 中国人民解放军海军工程大学 | Large-torque meshing type marine main shaft connecting flange structure |
-
2020
- 2020-10-16 CN CN202011111227.5A patent/CN112228285B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9038281B1 (en) * | 2008-09-09 | 2015-05-26 | Matthew J. McBride | Apparatus for aligning a wind turbine generator |
| CN103210215A (en) * | 2010-10-18 | 2013-07-17 | 维斯塔斯风力系统有限公司 | Wind turbine power transmission system |
| CN202381564U (en) * | 2011-12-17 | 2012-08-15 | 师宗东方红锌业有限公司 | Coupler |
| CN103912592A (en) * | 2013-01-07 | 2014-07-09 | 诺迈士科技有限公司 | Connection mechanism of power transmission system |
| CN207049219U (en) * | 2017-07-31 | 2018-02-27 | 天津龙创恒盛实业有限公司 | Corrosion-resistant flexible sliding cross coupling |
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| Publication number | Publication date |
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| CN112228285A (en) | 2021-01-15 |
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Address after: 222069 west side of Dapu Road, Lianyungang Economic and Technological Development Zone, Lianyungang City, Jiangsu Province (south of Dongfang Avenue) Patentee after: Guoneng United Power Technology (Lianyungang) Co.,Ltd. Address before: 222000 No.88 Dapu Road, Lianyungang Economic and Technological Development Zone, Lianyungang City, Jiangsu Province Patentee before: Guodian United Power Technology (Lianyungang) Co.,Ltd. |
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