CN111042996B - Barring gear and wind generating set - Google Patents

Barring gear and wind generating set Download PDF

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Publication number
CN111042996B
CN111042996B CN201911425941.9A CN201911425941A CN111042996B CN 111042996 B CN111042996 B CN 111042996B CN 201911425941 A CN201911425941 A CN 201911425941A CN 111042996 B CN111042996 B CN 111042996B
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China
Prior art keywords
speed reducer
barring
main body
turning gear
arm
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CN201911425941.9A
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CN111042996A (en
Inventor
薛金东
张兰彬
张东
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Sany Renewable Energy Co Ltd
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Sany Renewable Energy Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gear Transmission (AREA)
  • Wind Motors (AREA)

Abstract

The invention provides a barring device and a wind generating set, and relates to the technical field of barring devices. The turning gear main body and the speed reducer are detachably connected, so that the size and the weight of a single part can be reduced, when the turning gear is installed, the turning gear main body and the speed reducer which are relatively small in size can be conveyed into the engine room firstly, then the turning gear main body and the speed reducer are assembled in the engine room, when the turning gear is disassembled, the turning gear main body and the speed reducer can be separated in the engine room firstly, and then the turning gear main body and the speed reducer are conveyed out of the engine room respectively, so that the limitation degree of the installation position of the turning gear by the space of the engine room can be reduced, the turning gear is convenient to install, adjust in place and disassemble in the engine room, and the convenience of installation and disassembly is improved.

Description

Barring gear and wind generating set
Technical Field
The invention relates to the technical field of barring devices, in particular to a barring device and a wind generating set.
Background
The wind generating set is a device for converting wind energy into electric energy, and mainly comprises blades, a generator, a barring gear, mechanical parts and electrical parts. The barring gear of the wind generating set is used for barring a blade with eccentric center of gravity and difficult impeller rotation in the blade installation process and locking the blade to a specific position.
In the prior art, the barring device comprises a barring main body, a transmission and other parts, each part of the barring device is of an integral structure, and the volume and the weight of the barring device are large.
However, because the space in the cabin of the wind turbine generator system is limited, the installation position of the large-size barring device in the cabin is limited greatly, so that the barring device is difficult to install, adjust in place and disassemble in the cabin, and the installation and disassembly convenience is low.
Disclosure of Invention
The invention aims to provide a barring gear, and aims to solve the technical problem that the barring gear in the prior art is low in convenience in mounting and dismounting.
The invention provides a barring device, which comprises a barring main body and a speed reducer, wherein the barring main body is detachably connected with the speed reducer, and the speed reducer is used for being meshed with a brake disc of a wind generating set.
Further, the barring gear further comprises an external gear rotation support;
the inner ring of the external gear rotary support is fixed on the barring main body, the output shaft of the speed reducer is inserted into the inner ring of the external gear rotary support, and the outer ring of the external gear rotary support is meshed with a brake disc of the wind generating set.
Furthermore, a frame body is arranged on the speed reducer and used for being connected with a lifting appliance.
The invention also aims to provide a wind generating set which comprises the barring gear.
Further, wind generating set still includes the increaser, the barring main part with the increaser is articulated.
Further, the wind generating set also comprises a bottom frame;
the barring main body is connected with the bottom frame through a reaction arm, one end of the reaction arm is hinged to the barring main body, and the other end of the reaction arm is hinged to the bottom frame.
Furthermore, one end of the counter arm is connected with the barring main body through a pin shaft or a flange.
Further, the reaction arm can stretch out and draw back, just the reaction arm can lock for the reaction arm of predetermineeing length.
Furthermore, a reaction arm mounting seat is arranged on the bottom frame, and the reaction arm is hinged to the reaction arm mounting seat.
Further, the reaction arm is connected with the underframe through a joint bearing.
The invention provides a barring device, which comprises a barring main body and a speed reducer, wherein the barring main body is detachably connected with the speed reducer, and the speed reducer is used for being meshed with a brake disc of a wind generating set. The turning gear main body and the speed reducer are detachably connected, so that the size and the weight of a single part can be reduced, when the turning gear is installed, the turning gear main body and the speed reducer which are relatively small in size can be conveyed into the engine room firstly, then the turning gear main body and the speed reducer are assembled in the engine room, when the turning gear is disassembled, the turning gear main body and the speed reducer can be separated in the engine room firstly, and then the turning gear main body and the speed reducer are conveyed out of the engine room respectively, so that the limitation degree of the installation position of the turning gear by the space of the engine room can be reduced, the turning gear is convenient to install, adjust in place and disassemble in the engine room, and the convenience of installation and disassembly is improved.
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 schematic structural diagram of a barring apparatus provided in an embodiment of the present invention;
fig. 2 is a front view of a barring apparatus provided in an embodiment of the present invention;
fig. 3 is a top view of a barring apparatus provided in an embodiment of the present invention.
Icon: 1-turning a main body; 2-a reducer; 3-reaction arm; 4-brake disc.
Detailed Description
The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings in an initial state, and it is obvious that the described embodiments are some, 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.
The invention provides a barring device and a wind generating set, and a plurality of embodiments are provided below to describe the barring device and the wind generating set provided by the invention in detail.
Example 1
The barring device provided by the embodiment, as shown in fig. 1 to 3, includes a barring main body 1 and a speed reducer 2, the barring main body 1 is detachably connected with the speed reducer 2, and the speed reducer 2 is used for being engaged with a brake disc 4 of a wind generating set.
The turning gear main body 1 and the speed reducer 2 are detachably connected, so that the size and the weight of a single part can be reduced, when the turning gear is installed, the turning gear main body 1 and the speed reducer 2 which are relatively small in size can be conveyed into the cabin firstly, then the turning gear main body 1 and the speed reducer 2 are assembled in the cabin, when the turning gear is disassembled, the turning gear main body 1 and the speed reducer 2 can be separated in the cabin firstly, and then the turning gear main body 1 and the speed reducer 2 are conveyed out of the cabin respectively, so that the limitation degree of the cabin space to the installation position of the turning gear can be reduced, the turning gear is convenient to install, adjust in place and disassemble in the cabin, and the convenience in installation and disassembly is improved.
The connection mode of the speed reducer 2 and the barring main body 1 can be clamping connection, and can also be any suitable mode such as threaded connection.
Further, the barring gear also comprises an external gear rotating support; the inner ring of the external gear rotary support is fixed on the barring main body 1, the output shaft of the speed reducer 2 is inserted with the inner ring of the external gear rotary support, and the outer ring of the external gear rotary support is meshed with a brake disc 4 of the wind generating set.
The inner ring rotatably supported by the outer gear may be welded to the barring body 1, or may be fixed to the barring body 1 by a fastener.
The output shaft of the speed reducer 2 is inserted with the inner ring of the external gear rotary support, and the speed reducer 2 can be conveniently installed on the external gear rotary support or detached from the external gear rotary support.
The outer ring of the outer gear rotary support is meshed with a brake disc 4 of the wind generating set so as to realize the connection of the speed reducer 2 and the brake disc 4.
The barring gear is arranged on the end face of a brake disc 4 of a high-speed shaft of a gear box of a wind generating set and drives the brake disc 4 to rotate, so that a wind wheel is driven to rotate, and an external gear rotating support is responsible for transmitting the torque of a speed reducer 2 to the brake disc 4 of the wind generating set.
Furthermore, a frame body is arranged on the speed reducer 2 and is used for being connected with a lifting appliance.
When installation reduction gear 2, need utilize hoist and mount reduction gear 2, be equipped with the support body on reduction gear 2, the hoist that can be convenient for is connected with reduction gear 2 to improve hoist and mount reduction gear 2's convenience, improve work efficiency.
The barring device provided by the embodiment comprises a barring main body 1 and a speed reducer 2, wherein the barring main body 1 is detachably connected with the speed reducer 2, and the speed reducer 2 is used for being meshed with a brake disc 4 of a wind generating set. The turning gear main body 1 and the speed reducer 2 are detachably connected, so that the size and the weight of a single part can be reduced, when the turning gear is installed, the turning gear main body 1 and the speed reducer 2 which are relatively small in size can be conveyed into the cabin firstly, then the turning gear main body 1 and the speed reducer 2 are assembled in the cabin, when the turning gear is disassembled, the turning gear main body 1 and the speed reducer 2 can be separated in the cabin firstly, and then the turning gear main body 1 and the speed reducer 2 are conveyed out of the cabin respectively, so that the limitation degree of the cabin space to the installation position of the turning gear can be reduced, the turning gear is convenient to install, adjust in place and disassemble in the cabin, and the convenience in installation and disassembly is improved.
Example 2
The wind generating set provided by the embodiment comprises the barring device provided by the embodiment 1, wherein the barring device comprises a barring main body 1 and a speed reducer 2, the barring main body 1 is detachably connected with the speed reducer 2, and the speed reducer 2 is used for being meshed with a brake disc 4 of the wind generating set. The turning gear main body 1 and the speed reducer 2 are detachably connected, so that the size and the weight of a single part can be reduced, when the turning gear is installed, the turning gear main body 1 and the speed reducer 2 which are relatively small in size can be conveyed into the cabin firstly, then the turning gear main body 1 and the speed reducer 2 are assembled in the cabin, when the turning gear is disassembled, the turning gear main body 1 and the speed reducer 2 can be separated in the cabin firstly, and then the turning gear main body 1 and the speed reducer 2 are conveyed out of the cabin respectively, so that the limitation degree of the cabin space to the installation position of the turning gear can be reduced, the turning gear is convenient to install, adjust in place and disassemble in the cabin, and the convenience in installation and disassembly is improved.
As an embodiment, the wind generating set further comprises a speed increasing machine, and the barring body 1 is hinged with the speed increasing machine.
The barring body 1 may be hinged to the speed-increasing machine by a pin shaft, or may be hinged to the speed-increasing machine by any suitable component such as a ball bearing.
As another embodiment, the wind turbine further comprises a base frame; the barring main body 1 is connected with the chassis through a reaction arm 3, one end of the reaction arm 3 is hinged to the barring main body 1, and the other end of the reaction arm 3 is hinged to the chassis.
The reaction arm 3 is connected with the barring main body 1 and the underframe and provides torque reverse force for the barring main body 1.
One end of the reaction arm 3 may be hinged to the barring body 1 by any suitable means such as a pin or a flange.
Further, the reaction arm 3 can be extended and contracted, and the reaction arm 3 can be locked to the reaction arm 3 having a predetermined length.
Through setting up the reaction arm 3 that can stretch out and draw back, can make the wind generating set of the multiple model of reaction arm 3 adaptation to improve suitability.
For example, the reaction arm 3 may include a first arm body and a second arm body, the first arm body is slidably sleeved on the second arm body, and the second arm body can extend into or out of the first arm body along the axial direction of the first arm body to adjust the length of the reaction arm 3; be equipped with the screw hole on the first arm body, after the second arm body slided to suitable position for first arm body, utilized locking bolt and screw hole threaded connection, locking bolt can stretch into first arm body to with first arm body and second arm body top tightly, thereby can lock the counter force arm 3 for predetermineeing length with counter force arm 3.
The reaction arm 3 also can include first arm body and second arm body, first arm body and second arm body threaded connection, the second arm body can stretch into or stretch out first arm body along the axial of first arm body to adjust the length of reaction arm 3, and stretch out to suitable position back at the second arm body for first arm body, first arm body and second arm body threaded connection can lock reaction arm 3 for the reaction arm 3 of presetting length.
Furthermore, a counter-force arm 3 mounting seat is arranged on the bottom frame, and the counter-force arm 3 is hinged with the counter-force arm 3 mounting seat.
The installation seat for the reaction arm 3 can be convenient for installing the reaction arm 3, so that the reaction arm 3 is more normatively installed on a preset position, and the installation efficiency and the accuracy are improved.
The reaction arm 3 and the bottom frame can be hinged through a ball bearing or any suitable part such as a pin shaft.
Preferably, the counter arm 3 is connected to the chassis by means of a joint bearing. Joint bearing can freely adapt inclination to make reaction arm 3 can freely adapt inclination for the chassis, improve the convenience.
The wind generating set provided by the embodiment comprises the barring device provided by the embodiment 1, wherein the barring device comprises a barring main body 1 and a speed reducer 2, the barring main body 1 is detachably connected with the speed reducer 2, and the speed reducer 2 is used for being meshed with a brake disc 4 of the wind generating set. The turning gear main body 1 and the speed reducer 2 are detachably connected, so that the size and the weight of a single part can be reduced, when the turning gear is installed, the turning gear main body 1 and the speed reducer 2 which are relatively small in size can be conveyed into the cabin firstly, then the turning gear main body 1 and the speed reducer 2 are assembled in the cabin, when the turning gear is disassembled, the turning gear main body 1 and the speed reducer 2 can be separated in the cabin firstly, and then the turning gear main body 1 and the speed reducer 2 are conveyed out of the cabin respectively, so that the limitation degree of the cabin space to the installation position of the turning gear can be reduced, the turning gear is convenient to install, adjust in place and disassemble in the cabin, and the convenience in installation and disassembly is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (4)

1. A wind generating set is characterized by comprising a barring gear; the barring device comprises a barring main body (1) and a speed reducer (2), wherein the barring main body (1) is detachably connected with the speed reducer (2), and the speed reducer (2) is used for being meshed with a brake disc (4) of the wind generating set;
the wind generating set also comprises a bottom frame;
the barring main body (1) is connected with the underframe through a reaction arm (3), one end of the reaction arm (3) is hinged with the barring main body (1), and the other end of the reaction arm (3) is hinged with the underframe;
the reaction arm (3) can be stretched and retracted, and the reaction arm (3) can be locked into a reaction arm (3) with a preset length;
the reaction arm (3) is connected with the underframe through a joint bearing.
2. Wind generating set according to claim 1, characterized in that a frame is arranged on the speed reducer (2), and the frame is used for connecting with a lifting appliance.
3. Wind power generator set according to claim 1, characterized in that one end of the reaction arm (3) is connected to the barring body (1) by a pin or flange.
4. Wind generating set according to claim 1, characterized in that a counter arm (3) mounting is provided on the underframe, the counter arm (3) being hinged to the counter arm (3) mounting.
CN201911425941.9A 2019-12-31 2019-12-31 Barring gear and wind generating set Active CN111042996B (en)

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Application Number Priority Date Filing Date Title
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CN111042996B true CN111042996B (en) 2021-08-24

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Publication number Priority date Publication date Assignee Title
CN113007010B (en) * 2021-03-19 2022-03-25 华仪风能有限公司 Wind wheel blade installation auxiliary equipment and control method thereof
CN115419554B (en) * 2022-09-27 2023-06-30 上海锡华机械工程有限公司 Turning equipment for wind power blade installation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206419163U (en) * 2017-01-03 2017-08-18 国电联合动力技术有限公司 A kind of wind power generating set barring mechanism

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Publication number Priority date Publication date Assignee Title
CN110360057B (en) * 2019-07-30 2020-11-13 上海电气风电集团股份有限公司 Single-blade hoisting barring device of wind generating set and hoisting method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206419163U (en) * 2017-01-03 2017-08-18 国电联合动力技术有限公司 A kind of wind power generating set barring mechanism

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Address after: 102206 31 Industrial Park, North Qing Road, Beijing, Changping District

Patentee after: Sany Heavy Energy Co.,Ltd.

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