LU503733B1 - A fixed connection device for variable pitch slip ring encoder - Google Patents

A fixed connection device for variable pitch slip ring encoder Download PDF

Info

Publication number
LU503733B1
LU503733B1 LU503733A LU503733A LU503733B1 LU 503733 B1 LU503733 B1 LU 503733B1 LU 503733 A LU503733 A LU 503733A LU 503733 A LU503733 A LU 503733A LU 503733 B1 LU503733 B1 LU 503733B1
Authority
LU
Luxembourg
Prior art keywords
sub
slip ring
bracket
main
ring encoder
Prior art date
Application number
LU503733A
Other languages
French (fr)
Inventor
Nan Wang
Xili Zuo
Dabiao Liang
Jiulin Zhang
Zhiwei Xu
Gong Cheng
Jici Liu
Youjian Bao
Original Assignee
Huaneng Ningnan Wind Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaneng Ningnan Wind Power Co Ltd filed Critical Huaneng Ningnan Wind Power Co Ltd
Application granted granted Critical
Publication of LU503733B1 publication Critical patent/LU503733B1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/443—Devices characterised by the use of electric or magnetic means for measuring angular speed mounted in bearings
    • 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
    • F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
    • F03D17/027—Monitoring or testing of wind motors, e.g. diagnostics characterised by the component being monitored or tested
    • F03D17/029—Blade pitch or yaw drive systems, e.g. pitch or yaw angle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
    • F03D1/0662—Arrangements for fixing wind-engaging parts to a hub using kinematic linkage, e.g. tilt
    • F03D1/0664—Pitch arrangements
    • 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
    • F05B2270/00—Control
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/328—Blade pitch angle
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • 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)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The present application discloses a fixed connection device for variable pitch slip ring encoder, the slip ring encoder is fixedly mounted in a fixed shell, and the impeller shaft of the wind turbine is connected to a butt flange, and a connecting shaft is provided with the butt flange and the slip ring encoder to reduce the vibration transmitted from the impeller shaft to the slip ring encoder, and a buffer mechanism is provided between the slip ring encoder and the connecting shaft, and between the butt flange and the connecting shaft, which buffers the relative vibration between the components, thereby further reducing the harm caused by the relative vibration between the parts to the slip ring encoder.

Description

A fixed connection device for variable pitch slip ring encoder | “9975
Technical field
The present invention relates to the technical field of a variable pitch slip ring, in particular, it relates to a fixed connection device for variable pitch slip ring encoder.
Background technology
Wind power generation essentially converts the kinetic energy of the wind into electrical energy, in order to achieve this purpose, the commonly used power generation equipment is wind turbines, wind turbines include wind turbine rotors, generators. Wind turbine rotor including blades, hubs, reinforcement parts, etc. It has blades by wind rotation wind power generation, generator head rotation and other functions, in order to ensure efficient power generation efficiency, wind turbine rotor and generator connection of the central shaft often directly or indirectly connected with variation pitch slip ring encoder, and then measure the speed of the wind wheel, and then adjust the blade rotation angle, so that the wind turbine rotor can withstand the maximum wind energy, the traditional variation pitch slip ring encoder in the process of connecting with the central shaft, due to the lack of buffer device, resulting in the fan vibration caused by the displacement of the shaft, the output shaft of the variation pitch slip ring encoder is displaced, which can cause a fault.
Summary of the invention
The purpose of the present invention is to provide a fixed connection device that can effectively reduce the fault of the variable pitch slip ring encoder.
The present invention discloses a fixed connection device for variable pitch slip ring encoder, including:
A fixed shell;
The slip ring encoder 1s disposed inside the fixed shell, for detecting the impeller speed of the wind turbine:
The connecting shaft is rotated and connected to the inside of the fixed shell; one end connected with the slip ring encoder,
The butt flange, one side of the butt flange is provided with a flange shaft, the flange shaft is connected to one end of the connecting shaft, and the butt flange 1s used to connect with the impeller shaft of the wind turbine;
The buffer mechanism is disposed between the connecting shaft and the slip ring encoder, and between the butt flange and the connecting shaft, for buffering the relative vibration between the components.
In some examples of the present application, in order to be able to avoid damage to the variation slip ring encoder due to relative vibration between the components, the structure of tH&/503733 buffer mechanism is further disclosed, the buffer mechanism is divided into a first buffer mechanism and a second buffer mechanism;
The first buffer mechanism is disposed between the connecting shaft and the slip ring encoder, and the second buffer mechanism is disposed between the flange shaft and the connecting shaft, including the second buffer mechanism is also provided with an elastic component, so that the second buffer mechanism can be subjected to a force in the homing direction in different attitudes.
In some examples of the present application, in order to be able to buffer the relative vibration between the slip ring encoder and the connecting shaft, the specific structure of the first buffer mechanism is disclosed, the first buffer mechanism includes:
A first main bracket is connected to the output shaft of the slip ring encoder;
A first sub-bracket is connected to the connecting shaft;
The first limiting rod, the first limiting rod is slid and connected between the first main bracket and the first sub-bracket, and the first limiting rod is also rotated and connected with the first main bracket and the first sub-bracket, so that the first main bracket and the first sub-bracket can move relative to each other.
In some examples of the present application, in order to be able to enable the first limiting rod to slide between the first main bracket and the first sub-bracket, and to be able to rotate and connect the first limiting rod relative to the first sub-bracket, the specific structure of the first main bracket and the first sub-bracket is disclosed, the first main bracket includes:
A plurality of first main poles, the first main pole is evenly wrapped around the output shaft side of the slip ring encoder, the top end of the first main pole is provided with a first main plate rack, the first main plate rack is rotated and connected with a first main sliding pipe, and the first main sliding pipe is slid and connected with the first limiting rod;
The first bracket includes:
A first sub-telescopic rod, the first sub-telescopic rod is evenly wrapped around the output shaft side of the slip ring encoder, the top end of the first sub-telescopic rod is provided with a first sub-plate rack, the first sub-plate rack is rotated and connected with a first sub-sliding pipe, and the first sub-sliding pipe is slid and connected with the first limiting rod.
In some examples of the present application, in order to be able to buffer the relative vibration between the flange shaft and the connecting shaft, the specific structure of the second buffer mechanism is disclosed, the second buffer mechanism includes:
A second main bracket is connected to the output shaft of the slip ring encoder;
A second sub-bracket is connected to the connecting shaft;
The second limiting rod, the second limiting rod is slid and connected between the secortd/503733 main bracket and the second sub-bracket, and the second limiting rod is also rotated and connected with the second main bracket and the second sub-bracket, so that the second main bracket and the second sub-bracket can move relative to each other;
The spring component is sleeved to the side portion of the second limiting rod, and the two ends are respectively connected to the second main bracket and the second sub-bracket.
In some examples of the present application, in order to be able to enable the second limiting rod to slide between the second main bracket and the second sub-bracket, and to be able to rotate and connect the second limiting rod relative to the second sub-bracket, the specific structure of the second main bracket and the second sub-bracket is disclosed, the second main bracket includes:
A plurality of second main poles, the second main pole is evenly wrapped around the output shaft side of the slip ring encoder, the top end of the second main pole is provided with a second main plate rack, the second main plate rack is rotated and connected with a second main sliding pipe, and the second main sliding pipe is slid and connected with the second limiting rod;
The second sub-bracket includes:
A second sub-telescopic rod, the second sub-telescopic rod is evenly wrapped around the output shaft side of flange shaft, the top end of the second sub-telescopic rod is provided with a second sub-plate rack, the second sub-plate rack is rotated and connected with a second sub-sliding pipe, and the second sub-sliding pipe is slid and connected with the second limiting rod.
In some examples of the present application, in order to enable the stable rotation of the connecting shaft, the fixed connection device is improved, and the fixed shell is also provided with a stabilization mechanism, the middle part of the stabilization mechanism is sleeved to the side of the connecting shaft, and is rotated and connected with the connecting shaft.
In some examples of the present application, in order to enable the stable rotation of the connecting shaft, the specific structure of the stability mechanism is disclosed, the stability mechanism includes:
A stator end cap is disposed in the fixed shell, the stator end cap is provided with a circular opening in the middle;
A plummer block housing is disposed in the circular opening, and the middle part is penetrated by the connecting shaft;
A plurality of bearings, the bearing sleeve is knotted in the side of the rotor plummer block housing, and clamped between the circular opening and the rotor plummer block housing.
The present application discloses a fixed connection device for variable pitch slip ring/503733 encoder, the slip ring encoder is fixedly mounted in a fixed shell, and the impeller shaft of the wind turbine is connected to a butt flange, and a connecting shaft is provided with the butt flange and the slip ring encoder to reduce the vibration transmitted from the impeller shaft to the slip ring encoder, and a buffer mechanism is provided between the slip ring encoder and the connecting shaft, and between the butt flange and the connecting shaft, which buffers the relative vibration between the components, thereby further reducing the harm caused by the relative vibration between the parts to the slip ring encoder.
Description of attached drawings
FIG 1 is a schematic diagram of the structure of a fixed connection device for variable pitch slip ring encoder disclosed in this application example.
Description of attached drawings 1. Fixed shell; 2. Slip ring encoder; 3. Connecting shaft; 4. Docking flange; 5. First limiting rod; 6. First main pole; 7. First major sliding pipe; 8. Rotor Plummer block housing; 9.
First sub-telescopic rod; 10. First sub-plate rack; 11. First sub-sliding pipe; 12. Second limiting rod; 13. Spring component; 14. Second main pole; 15. Second main plate rack; 16. Second main sliding pipe; 17. Second sub-telescopic rod; 18. Second sub-plate rack; 19. Second sub-sliding pipe; 20. Bearing; 21. Stator end cap; 22. First main plate rack.
Specific embodiments
The technical solutions of the present invention are further described below by means of the accompanying drawings and examples.
Unless otherwise defined, the technical terms or scientific terms used in the present invention should have the usual meaning understood by persons with general skills in the field to which the invention belongs. The terms "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish between the different components. The terms such as "including" or "comprising" and similar terms are intended to mean that the element or object appearing before the word covers the element or object listed after the word and its equivalent, without excluding other components or objects. Similar terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left" and "right" are only used to represent the relative position relationship. When the absolute position of the described object is changed, the relative position relationship may also accordingly change.
Example:
The present invention discloses a fixed connection device for variable pitch slip ring encoder, refer to Fig 1, including fixed shell 1, slip ring encoder 2, connecting shaft 3, butt/503733 flange 4 and buffer mechanism.
The slip ring encoder 2 is disposed inside the fixed shell 1, for detecting the impeller speed of the wind turbine; 5 The connecting shaft 3 is rotated and connected to the inside of the fixed shell; one end connected with the slip ring encoder 2;
The butt flange 4, one side of the butt flange 4 is provided with a flange shaft, the flange shaft is connected to one end of the connecting shaft 3, and the butt flange 4 is used to connect with the impeller shaft of the wind turbine;
The buffer mechanism is disposed between the connecting shaft 3 and the slip ring encoder 2, and between the butt flange 4 and the connecting shaft 3, for buffering the relative vibration between the components.
During the actual operation of the device of the present application, due to the long-term operation of the wind turbine, there may be wear of moving parts such as impeller shafts, so during operation, it will cause vibration of some components, if the impeller shaft vibrates, the vibration is transmitted to the butt flange 4 through the impeller shaft, the butt flange 4 transmits the vibration to the buffer mechanism, the initial vibration suppression is carried out by the buffer mechanism, and then the vibration continues to be transmitted through the connecting shaft 3, and the energy of the vibration is attenuated on the connecting shaft 3, and again through the buffer mechanism can be transmitted to the slip ring encoder 2, the initial vibration has been greatly reduced through this process, greatly reducing the damage of vibration to the slip ring encoder 2.
In order to avoid damage to the slip ring encoder 2 due to relative vibration between the components, in some examples of the present application, the structure of the buffer mechanism is further disclosed, the buffer mechanism is divided into the first buffer mechanism and the second buffer mechanism.
The first buffer mechanism is disposed between the connecting shaft 3 and the slip ring encoder 2, and the second buffer mechanism is disposed between the flange shaft and the connecting shaft 3, including the second buffer mechanism is also provided with an elastic component, so that the second buffer mechanism can be subjected to a force in the homing direction in different attitudes.
In some examples of the present application, in order to be able to buffer the relative vibration between the slip ring encoder 2 and the connecting shaft 3, the specific structure of the first buffer mechanism is disclosed, the first buffer mechanism includes the first main bracket, the first sub-bracket and the first limiting rod 5.
Refer to fig 1, the first main bracket is connected to the output shaft of the slip ring encodkt/503733 2. The first sub-bracket is connected to the connecting shaft. The first limiting rod 5 is slid and connected between the first main bracket and the first sub-bracket, and the first limiting rod 5 is also rotated and connected with the first main bracket and the first sub-bracket, so that the first main bracket and the first sub-bracket can move relative to each other.
In order to be able to enable the first limiting rod 5 to slide between the first main bracket and the first sub-bracket, and to be able to rotate and connect the first limiting rod 5 relative to the first sub-bracket, in some examples of the present application, the specific structure of the first main bracket and the first sub-bracket is disclosed, the first main bracket includes a plurality of first main poles 6, the first main pole 6 is evenly wrapped around the output shaft side of the slip ring encoder 2, the top end of the first main pole is provided with a first main plate rack, the first main plate rack is rotated and connected with a first main sliding pipe 7, and the first main sliding pipe 7 is slid and connected with the first limiting rod 5;
The first sub-bracket includes a first sub-telescopic rod 9, the first sub-telescopic rod 9 is evenly wrapped around the output shaft side of the slip ring encoder 2, the top end of the first sub-telescopic rod 9 is provided with a first sub-plate rack 10, the first sub-plate rack 10 is rotated and connected with a first sub-sliding pipe 11, and the first sub-sliding pipe 11 is slid and connected with the first limiting rod 5.
The operating principle of the first buffer mechanism is that when the connecting shaft 3 transmits vibration, a relative displacement occurs between the connecting shaft 3 and the slip ring encoder 2, in this process, the first main bracket is accompanied by the connecting axis 3 movement, the first sub-bracket is accompanied by the slip ring encoder 2 movement, the first limiting rod 5 slides in the first main sliding pipe 7 and the first sub-sliding pipe 11, and still transmits the rotational power, which reduces the influence of vibration on the slip ring encoder 2 in this process.
In some examples of the present application, in order to be able to buffer the relative vibration between the flange shaft and the connecting shaft 3, the structure of the second buffer mechanism is further disclosed, referring to FIG. 1, the second buffer mechanism includes a second main bracket, a second sub-bracket, a spring compnent13, and a second limiting rod 12, the second main bracket is connected to the output shaft of the slip ring encoder 2; the second sub-bracket is connected to the connecting shaft 3; The second limiting rod 12 is slid and connected between the second main bracket and the second sub-bracket, and the second limiting rod 12 is also rotated and connected with the two main brackets and the second sub- bracket, so that the second main bracket and the second sub-bracket can move relative to each other; The spring component 13 sets are knotted on the side of the second limiting rod 12, and the two ends are respectively connected to the second main bracket and the second sub-bracket. LUS503733
The spring component 13 is in the original state at rest, if the second main bracket and the second sub-bracket are displacement relative due to vibration, the spring component 13 applies elastic force or tension to the second main bracket and the second sub-bracket, prompting the two to return to position, in this process, a force is also applied outward, reducing the amplitude of the vibration.
In some examples of the present application, in order to be able to enable the second limiting rod 12 to slide between the second main bracket and the second sub-bracket, and to be able to rotate and connect the second limiting rod 12 relative to the second sub-bracket, the specific structure of the second main bracket and the first sub-bracket is disclosed.
The second main bracket includes a plurality of second main poles 14, the second main pole 14 is evenly wrapped around the output shaft side of the connecting shaft 3, the top end of the second main pole is provided with a second main plate rack 15, the second main plate rack is rotated and connected with a second main sliding pipe 16, and the second main sliding pipe 15 161s slid and connected with the second limiting rod 12;
The second sub-bracket includes the second sub-telescopic rod 17, the second sub-telescopic rod 17 is evenly wrapped around the output shaft side of flange shaft, the top end of the second sub-telescopic rod 17 is provided with a second sub-plate rack 18, the second sub-plate rack 18 is rotated and connected with a second sub-sliding pipe 19, and the second sub-sliding pipe 19 is slid and connected with the second limiting rod 12.
The operating principle of the second buffer mechanism is that the butt flange 4 vibrates due to the vibration of the wind turbine rotor, the flange shaft drives the second main bracket relative to the second sub-bracket to produce relative displacement, and during the relative displacement process, the second limiting rod 12 slides within the second main sliding pipe 16 and the second sub-sliding pipe 19, which not only realizes the transmission of rotational power between the two, but also reduces the impact of vibration, and the spring component 13 provides the force in the homing direction of the second main bracket and the second sub-bracket, this force simultaneously counteracts the amplitude of the vibration.
In some examples of the present application, in order to be able to enable the connecting shaft 3 to rotate stably, the fixed connection device is improved, and the fixed shell is also provided with a stabilization mechanism, the middle part of the stabilization mechanism is sleeved to the side of the connecting shaft 3, and is rotated and connected with the connecting shaft 3.
In order to enable the stable rotation of the connecting shaft 3,the specific structure of the stability mechanism is disclosed, in some examples of the present application, the stability mechanism includes a stator end cap 21, rotor plummer block housing 8 and a plurality 5503733 bearings.
The stator end cap 21 is disposed in the fixed shell 1, and the stator end cap 21 is provided with a circular opening in the middle; the rotor plummer block housing 8 is disposed in the circular opening, and the middle is penetrated by the connecting shaft 3; The bearing 20 sets are knotted on the side of the rotor plummer block housing 8, and clamped between the circular opening and the rotor plummer block housing 8.
The connecting shaft 3 rotates, driving the rotor plummer block housing 8 to rotate, and the bearing 20 enables the rotor plummer bearing housing 8 to rotate smoothly, thereby reducing the transmission of vibration on the connecting shaft 3.
The present application discloses a fixed connection device for variable pitch slip ring encoder, the slip ring encoder is fixedly mounted in a fixed shell, and the impeller shaft of the wind turbine is connected to a butt flange, and a connecting shaft is provided with the butt flange and the slip ring encoder to reduce the vibration transmitted from the impeller shaft to the slip ring encoder, and a buffer mechanism is provided between the slip ring encoder and the connecting shaft, and between the butt flange and the connecting shaft, which buffers the relative vibration between the components, thereby further reducing the harm caused by the relative vibration between the parts to the slip ring encoder 2.
Finally, it should be noted that the above examples are only used to illustrate the technical solution of the present invention and not to limit it, although the present invention is described in detail with reference to the better example, those of ordinary skill in the art should understand: it may still modify or replace the technical solution of the present invention, and these modifications or equivalent replacements can’t make the modified technical solution depart out of the spirit and scope of the technical solution of the present invention.

Claims (8)

CLAIMS LU503733
1. A fixed connection device for variable pitch slip ring encoder, its characteristics lie in that includes: A fixed shell; The slip ring encoder is disposed inside the fixed shell, for detecting the impeller speed of the wind turbine; The connecting shaft is rotated and connected to the inside of the fixed shell; one end connected with the slip ring encoder, The butt flange, one side of the butt flange is provided with a flange shaft, the flange shaft is connected to one end of the connecting shaft, and the butt flange 1s used to connect with the impeller shaft of the wind turbine; The buffer mechanism 1s disposed between the connecting shaft and the slip ring encoder, and between the butt flange and the connecting shaft, for buffering the relative vibration between the components.
2. According to a fixed connection device for variable pitch slip ring encoder described in claim 1, its characteristics lie in that the buffer mechanism includes the first buffer mechanism and the second buffer mechanism; The first buffer mechanism is disposed between the connecting shaft and the slip ring encoder, and the second buffer mechanism is disposed between the flange shaft and the connecting shaft, including the second buffer mechanism is also provided with an elastic component, so that the second buffer mechanism can be subjected to a force in the homing direction in different attitudes.
3. A fixed connection device for variable pitch slip ring encoder described in claim 2, its characteristics lie in that the first buffer mechanism includes: A first main bracket is connected to the output shaft of the slip ring encoder; A first sub-bracket is connected to the connecting shaft; The first limiting rod, the first limiting rod is slid and connected between the first main bracket and the first sub-bracket, and the first limiting rod is also rotated and connected with the first main bracket and the first sub-bracket, so that the first main bracket and the first sub-bracket can move relative to each other.
4. A fixed connection device for variable pitch slip ring encoder described in claim 3, its characteristics lie in that the first main plate rack includes: A plurality of first main poles, the first main pole is evenly wrapped around the output shaft side of the slip ring encoder, the top end of the first main pole is provided with a first main platé/503738 rack, the first main plate rack is rotated and connected with a first main sliding pipe, and the first main sliding pipe is slid and connected with the first limiting rod, The first bracket includes; A first sub-telescopic rod, the first sub-telescopic rod is evenly wrapped around the output shaft side of the slip ring encoder, the top end of the first sub-telescopic rod is provided with a first sub-plate rack, the first sub-plate rack is rotated and connected with a first sub-sliding pipe, and the first sub-sliding pipe is slid and connected with the first limiting rod.
5. A fixed connection device for variable pitch slip ring encoder described in claim 2, its characteristics lie in that the second buffer mechanism includes: A second main bracket is connected to the output shaft of the slip ring encoder; A second sub-bracket is connected to the connecting shaft; The second limiting rod, the second limiting rod is slid and connected between the second main bracket and the second sub-bracket, and the second limiting rod is also rotated and connected with the second main bracket and the second sub-bracket, so that the second main bracket and the second sub-bracket can move relative to each other; The spring component is sleeved to the side portion of the second limiting rod, and the two ends are respectively connected to the second main bracket and the second sub-bracket.
6. A fixed connection device for variable pitch slip ring encoder described in claim 5, its characteristics lie in that the second main bracket includes: A plurality of second main poles, the second main pole is evenly wrapped around the output shaft side of the slip ring encoder, the top end of the second main pole is provided with a second main plate rack, the second main plate rack is rotated and connected with a second main sliding pipe, and the second main sliding pipe is slid and connected with the second limiting rod; The second sub-bracket includes: A second sub-telescopic rod, the second sub-telescopic rod is evenly wrapped around the output shaft side of flange shaft, the top end of the second sub-telescopic rod is provided with a second sub-plate rack, the second sub-plate rack is rotated and connected with a second sub-sliding pipe, and the second sub-sliding pipe is slid and connected with the second limiting rod.
7. A fixed connection device for variable pitch slip ring encoder described in claim 1, its characteristics lie in that the middle part of the stabilization mechanism is sleeved to the side of the connecting shaft, and is rotated and connected with the connecting shaft.
8. A fixed connection device for variable pitch slip ring encoder described in claim 7, its characteristics lie in that the stabilization mechanism includes: LUS03733
A stator end cap is disposed in the fixed shell, the stator end cap is provided with a circular opening in the middle;
A plummer block housing is disposed in the circular opening, and the middle part is penetrated by the connecting shaft;
A plurality of bearings, the bearing sleeve is knotted in the side of the rotor plummer block housing, and clamped between the circular opening and the rotor plummer block housing.
LU503733A 2022-08-04 2023-03-25 A fixed connection device for variable pitch slip ring encoder LU503733B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210935709.5A CN115541918A (en) 2022-08-04 2022-08-04 Become oar sliding ring encoder fixed connection device

Publications (1)

Publication Number Publication Date
LU503733B1 true LU503733B1 (en) 2023-09-27

Family

ID=84724299

Family Applications (1)

Application Number Title Priority Date Filing Date
LU503733A LU503733B1 (en) 2022-08-04 2023-03-25 A fixed connection device for variable pitch slip ring encoder

Country Status (2)

Country Link
CN (1) CN115541918A (en)
LU (1) LU503733B1 (en)

Also Published As

Publication number Publication date
CN115541918A (en) 2022-12-30

Similar Documents

Publication Publication Date Title
CN101302997B (en) Magnetic suspension paddle distance self-adjusting vertical shaft wind power generator
CN104763587B (en) A kind of novel wind motor linkage pitch-controlled system
US20130011262A1 (en) Downwind Variable Pitch Wind Turbine Generator
JP2012527864A5 (en)
CN105508138A (en) Front end support adjustable variable pitch device based on inclined hinge blade
JP2011526987A (en) Windmill
CN103256181B (en) Centrifugal speed-regulating tail-folding yaw type wind power generator
WO2015128426A1 (en) Pitch bearing arrangement for a wind turbine installation
AU2012276300A1 (en) Vertical axis wind turbine with variable pitch mechanism
JP2014058869A (en) Wind turbine of wind power generation device, and wind power generation device
LU503733B1 (en) A fixed connection device for variable pitch slip ring encoder
CN113982861B (en) Rotation detection device for large-scale wind turbine generator
CN201202593Y (en) Magnetic suspension paddle distance self-adjusting vertical shaft wind power generator
JP2011122508A (en) Power generator
US9447777B2 (en) Continuous-flow power installation
JP2001304094A (en) Wind power generation device with speed increaser
WO2011058970A1 (en) Wind-driven electric power-generating device
TW201615978A (en) Device of passively modulating blade inclination of small vertical-axis wind turbine
RU2351798C1 (en) Wind-driver power plant
KR101927309B1 (en) Vertical wind turbine
CN109236738A (en) Axial flow blower movable vane system is adjusted
CN220204047U (en) Vertical axis wind turbine structure
CN2828366Y (en) Cylindrical rotor horizontal axis wind-mill generator
RU2809264C1 (en) Wind wheel of wind power generator
JP2015197093A (en) Lift type wind turbine for vertical shaft type wind power generation

Legal Events

Date Code Title Description
FG Patent granted

Effective date: 20230927