WO2024045946A1 - Amortisseur de torsion élastique - Google Patents

Amortisseur de torsion élastique Download PDF

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Publication number
WO2024045946A1
WO2024045946A1 PCT/CN2023/108595 CN2023108595W WO2024045946A1 WO 2024045946 A1 WO2024045946 A1 WO 2024045946A1 CN 2023108595 W CN2023108595 W CN 2023108595W WO 2024045946 A1 WO2024045946 A1 WO 2024045946A1
Authority
WO
WIPO (PCT)
Prior art keywords
elastic
leaf spring
mounting
flange
input part
Prior art date
Application number
PCT/CN2023/108595
Other languages
English (en)
Chinese (zh)
Inventor
汪国胜
陈博
汪林昕
戴巨川
陈哲吾
Original Assignee
潜山天柱盛唐机电科技发展有限公司
湖南科技大学
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 潜山天柱盛唐机电科技发展有限公司, 湖南科技大学 filed Critical 潜山天柱盛唐机电科技发展有限公司
Publication of WO2024045946A1 publication Critical patent/WO2024045946A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/1215—Leaf springs, e.g. radially extending
    • 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
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/18—Leaf springs
    • F16F1/26—Attachments or mountings

Definitions

  • the present invention relates to the technical field of torsional buffers, and in particular to an elastic torsional buffer.
  • Torsional buffers are widely used in the connection between the prime mover (or engine) and the transmission box or output box to buffer the torsional vibration or impact of the prime mover (or engine).
  • wind gusts cause torsional vibration of the wind turbine impeller.
  • This torsional vibration causes impact between the transmission gears in the speed increase box, causing pitting corrosion and fatigue damage, and reducing the service life;
  • the torque vibration and impact output by the prime mover (or engine) are large, and rubber torsion buffers or torsion buffers with multiple metal shrapnel stacked together are often used.
  • rubber torsion buffers have poor temperature adaptability and short lifespan; when using For metal laminated spring torsion buffers, the number of laminations can be increased or reduced to obtain the required stiffness. However, increasing the number will easily cause changes in its installation dimensions, and when the number is small, the entire buffer will be thinner and prone to instability. .
  • the object of the present invention is to provide an elastic torsional buffer to solve the above-mentioned problems existing in the prior art.
  • the present invention provides the following solution: the present invention provides an elastic torsion buffer, including: an input part and an output part, and a plurality of elastic parts connecting the input part and the output part, the input part is located in the output part, one end of the elastic part is rotatably connected to the outside of the input part, and the other end of the elastic part is connected to the output part.
  • the elastic part includes a plurality of leaf spring groups, and the plurality of leaf spring groups are arranged at equal intervals in the circumferential direction between the input part and the output part.
  • the output part includes a first flange, an installation cavity is provided on one side of the first flange, and a first installation groove is provided in the circumference of the side wall of the installation cavity, and the input part It is arranged in the installation cavity, and one end of the elastic part is rotationally connected in the first installation groove.
  • the input part includes a second flange, the second flange is rotatably installed in the installation cavity and is coaxially arranged with the first flange, and the second flange is A second installation groove is circumferentially formed on the outer edge, and the other end of the elastic part is rotatably connected in the second installation groove.
  • the leaf spring group includes two leaf springs, the two leaf springs are arranged symmetrically about the center, the leaf springs are installed along the rotational driving direction of the second flange, and the leaf springs bear tensile force, Both ends of the leaf spring are fixed with mounting rings, the mounting ring at one end of the leaf spring is rotatably connected in the first mounting groove, and the mounting ring at the other end of the leaf spring is rotatably connected in the first mounting groove. into the second installation slot.
  • a plurality of first mounting holes are circumferentially opened at the outer edge of the first flange, and the axis of the first mounting hole is parallel to the axis of the first flange.
  • the first mounting holes Penetrating the first mounting groove, a first leaf spring pin is passed through the first mounting hole, and a mounting ring located in the first mounting groove is sleeved on the outside of the first leaf spring pin and connected with the first leaf spring pin.
  • the first leaf spring pin is rotatably connected.
  • a plurality of second mounting holes are circumferentially opened at the outer edge of the second flange, and the axis of the second mounting hole is parallel to the axis of the second flange.
  • the hole penetrates the second mounting slot, and a second leaf spring pin is passed through the second mounting hole.
  • a mounting ring located in the second mounting slot is sleeved on the outside of the second leaf spring pin and connected with the second leaf spring pin. The second leaf spring pin is rotationally connected.
  • the first mounting hole is a step hole, and an end with a larger diameter of the first mounting hole is circumferentially opened in a retaining ring mounting groove, and an elastic retaining ring for the hole is provided in the retaining ring mounting groove, and the The top end of the first leaf spring pin is provided with a shoulder.
  • the shoulder is located at the end of the first mounting hole with a larger diameter. The shoulder is located away from the opening of the first mounting hole using a resilient retaining ring. side.
  • the number of the first mounting holes, the second mounting holes and the leaf springs is the same.
  • power is input from the output part and output from the input part.
  • the leaf spring group includes leaf springs, the leaf springs are installed along the rotational driving direction of the second flange, and the leaf springs bear tensile force.
  • the input part is arranged inside the output part and is connected to the output part through an elastic part; the engine (or prime mover) drives the input part to rotate, and the input part drives the output part to rotate.
  • the engine (or prime mover) rotates at an uneven speed, the elastic part produces elastic deformation to achieve the function of torsion buffering; when it is necessary to change the stiffness of the elastic torsion buffer of the present invention, it is only necessary to change the number of elastic parts or the thickness of the elastic part, and the size of the elastic torsion buffer will not be changed. changes without destabilizing the elastic torsional buffer.
  • the input part and the output part in the present invention can be interchanged. When workers use the device of the present invention, the input part can be used as the output part and the output part can be used as the input part according to actual needs.
  • Figure 1 is a front view of an elastic torsional buffer according to the present invention
  • Figure 2 is a rear view of an elastic torsional buffer according to the present invention.
  • Figure 3 is a cross-sectional view along the A-A direction in Figure 2;
  • Figure 4 is a cross-sectional view along the C-C direction in Figure 3;
  • Figure 5 is a partial enlarged view of position A in Figure 3;
  • Figure 6 is a force diagram of the leaf spring 6 in the present invention.
  • Figure 7 is a schematic structural diagram of Embodiment 2 of the present invention.
  • First flange 2. Installation cavity; 3. First installation groove; 4. Second flange; 5. Second installation groove; 6.
  • Leaf spring 7. Installation ring; 8.
  • the elastic retaining ring for the hole; 13.
  • the second shaft body; 15 end cap.
  • the present invention provides an elastic torsion buffer, including: an input part and an output part, and several elastic parts connecting the input part and the output part.
  • the input part is located in the output part, and one end of the elastic part is connected to the input part.
  • the outside of the elastic part is rotatably connected, and the other end of the elastic part is rotatably connected with the inside of the output part.
  • the elastic part includes a plurality of leaf spring groups, and several leaf spring groups are arranged at equal intervals in the circumferential direction between the input part and the output part.
  • the input part is arranged in the output part and is connected to the output part through an elastic part; the engine (or prime mover) drives the input part to rotate, and the input part drives the output part to rotate.
  • the leaf spring group produces elastic deformation to realize the torsion buffering function; when it is necessary to change the stiffness of the elastic torsion buffer of the present invention, only the number of leaf spring groups needs to be changed, and the size of the elastic torsion buffer will not be changed. At the same time, the elastic torsion buffer will not be unstable.
  • the output part includes a first flange 1.
  • An installation cavity 2 is provided on one side of the first flange 1.
  • a first installation groove 3 is provided in the circumferential direction of the side wall of the installation cavity 2.
  • the input part is provided on In the installation cavity 2, one end of the elastic part is rotatably connected in the first installation groove 3.
  • the input part includes a second flange 4.
  • the second flange 4 is rotatably installed in the installation cavity 2 and is coaxially arranged with the first flange 1.
  • the outer edge of the second flange 4 is located around A second installation groove 5 is opened in the direction, and the other end of the elastic part is rotatably connected in the second installation groove 5 .
  • the leaf spring group includes two leaf springs 6, and the two leaf springs 6 are arranged symmetrically about the center.
  • the leaf spring 6 is installed along the rotational driving direction of the second flange 4.
  • the leaf spring 6 bears the tensile force.
  • Both ends of the leaf spring 6 are fixedly connected with mounting rings 7.
  • the mounting ring 7 at one end of the leaf spring 6 is rotatably connected to the In the first mounting groove 3
  • the mounting ring 7 at the other end of the leaf spring 6 is rotatably connected in the second mounting groove 5 .
  • Two adjacent leaf springs 6 form a leaf spring group, and several leaf spring groups are arranged at equal intervals in the circumferential direction between the outer wall of the second flange 4 and the inner wall of the first flange 1, so that the second flange 4.
  • the force on the entire device is exactly the same.
  • connection method between the leaf spring 6 and the second flange 4 and the first flange 1 is preferably pin connection.
  • first mounting holes 8 are circumferentially opened at the outer edge of the first flange 1.
  • the axis of the first mounting holes 8 is parallel to the axis of the first flange 1.
  • the first mounting holes 8 penetrate through the first flange 1.
  • a first leaf spring pin 9 is inserted through the first mounting hole 8.
  • the mounting ring 7 located in the first mounting slot 3 is sleeved on the outside of the first leaf spring pin 9 and connected with the first leaf spring pin. 9 Turn the connection.
  • a number of second mounting holes 10 are circumferentially opened at the outer edge of the second flange 4.
  • the axis of the second mounting hole 10 is parallel to the axis of the second flange 4.
  • the second mounting holes 10 penetrate through the second flange 4.
  • the second mounting slot 5 has a second leaf spring pin 11 passing through the second mounting hole 10.
  • the mounting ring 7 located in the second mounting slot 5 is sleeved on the outside of the second leaf spring pin 11 and connected with the second leaf spring pin. 11 Turn the connection.
  • the first mounting hole 8 is a step hole, and the end with a larger diameter of the first mounting hole 8 is circumferentially opened in the retaining ring mounting groove, and a resilient retaining ring 12 for the hole is provided in the retaining ring mounting groove, and the first leaf spring
  • the top of the pin 9 is provided with a shoulder.
  • the shoulder is located at the larger diameter end of the first mounting hole 8 .
  • the shoulder is located on the side of the hole elastic retaining ring 12 away from the opening of the first mounting hole 8 .
  • the number of the first mounting holes 8 , the second mounting holes 10 and the leaf springs 6 are the same.
  • the staff can decide to use the first flange 1 as the output flange, the second flange 4 as the input flange, or the first flange 1 as the input method according to actual needs.
  • the second flange 4 is used as the output flange.
  • an end cover 15 is provided at the opening of the installation cavity 2.
  • the end cover 15 is fixed to one side of the first flange 1 through bolts, and a sealing gasket is provided between the end cover 15 and the first flange 1. , so arranged that the second flange 4 can only rotate around the axis in the installation cavity 2; annular grooves are provided on both sides of the second flange 4, the two annular grooves are coaxially arranged, and the annular groove is close to the second method
  • a lubrication groove is provided on the side wall of the outer edge of the orchid plate 4, a first swivel is fixed on the inner edge of the end cover 15, and a second swivel is fixed on the bottom wall of the installation cavity 2.
  • the two swivel rings and the annular groove are coaxially arranged.
  • the outer walls of the first swivel ring and the second swivel ring are in sliding contact with the inner walls of the two annular grooves respectively, and the lubricating groove is closed.
  • the lubricating groove is filled with hydraulic oil, so set so that the second flange 4 can rotate more smoothly in the installation cavity 2; the side of the first flange 1 away from the end cover 15 is connected with a second shaft 14 through bolts, and the second shaft 14 is connected to the first
  • the flange 1 is arranged coaxially, and a number of first limiting teeth are provided at equal intervals in the circumferential direction on the inner edge of the second flange 4.
  • a first shaft 13 is installed on the inner edge of the second flange 4.
  • the outer wall of the shaft body 13 is provided with a number of second limiting teeth.
  • the first limiting teeth mesh with the second limiting teeth.
  • the first shaft body 13 and the second flange 4 are coaxially arranged.
  • the end passes through the end cover 15.
  • the first shaft 13, the second shaft 14, the first flange 1 and the second flange 4 are all coaxially arranged.
  • the device passes through the first shaft 13 And the second shaft body 14 is connected with external equipment.
  • the second flange 4 is installed in the installation cavity 2 on the first flange 1.
  • the second flange 4 and the first flange 1 are connected through a plurality of leaf springs 6.
  • the leaf springs 6 Mounting rings 7 are fixedly connected to both ends of the same leaf spring 6.
  • the mounting ring 7 at one end of the same leaf spring 6 is pinned in the first mounting groove 3 through the first leaf spring pin 9, and the other mounting ring 7 is pinned through the second leaf spring pin 11.
  • the leaf spring 6 is a typical two-force rod part.
  • the engine (or prime mover) outputs power to the second flange 4, and the second flange 4 outputs power to the first flange 1 through the leaf spring 6.
  • the leaf spring 6 will not undergo negative deformation with h less than 0, and always maintains a positive bending deformation state, preventing the leaf spring 6 from undergoing positive and negative alternating deformation, and improving the fatigue life of the leaf spring 6 .
  • the present invention can effectively slow down the torsional vibration transmitted from the input end to the output end.
  • the torsional vibration of the impeller caused by wind gusts in a wind turbine is transmitted to the torsional vibration of the speed increase box and the generator, and the engine periodic forced torsional vibration transmission Torsional vibrations to the transmission case.
  • the difference from Embodiment 1 is that in this embodiment, the first mounting holes 8 are opened at equal intervals in the circumferential direction at the outer edge of the first flange 1, and the second mounting holes 10 are opened at equal intervals in the circumferential direction.
  • a number of leaf springs 6 are arranged at equal intervals in the circumferential direction. Between one flange 1 and the second flange 4.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Springs (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne un amortisseur de torsion élastique, comprenant : une partie d'entrée (4), une partie de sortie (1) et une pluralité de parties élastiques reliées à la partie d'entrée et à la partie de sortie La partie d'entrée est située dans la partie de sortie, une extrémité de chaque partie élastique est reliée de manière rotative au côté externe de la partie d'entrée, et l'autre extrémité de la partie élastique est reliée de manière rotative au côté interne de la partie de sortie, chaque partie élastique comprend une pluralité de groupes de ressorts à lames (6), et la pluralité de groupes de ressorts à lames sont agencés de manière circonférentielle entre la partie d'entrée et la partie de sortie à des intervalles égaux. La partie d'entrée et la partie de sortie de l'amortisseur de torsion élastique peuvent échanger leurs fonctions ; un moteur (ou un moteur primaire) entraîne la partie d'entrée à se déplacer, la partie d'entrée entraîne la partie de sortie à se déplacer, et lorsque la vitesse de rotation du moteur (ou du moteur primaire) est irrégulière, les parties élastiques génèrent une déformation élastique pour réaliser l'effet d'amortissement de torsion ; et lorsque la rigidité de l'amortisseur de torsion élastique doit être modifiée, il est seulement nécessaire de modifier le nombre ou l'épaisseur des parties élastiques, de sorte que la taille de l'amortisseur de torsion élastique n'est pas modifiée et l'amortisseur de torsion élastique n'est pas déstabilisé.
PCT/CN2023/108595 2022-08-31 2023-07-21 Amortisseur de torsion élastique WO2024045946A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211055445.0A CN115435045A (zh) 2022-08-31 2022-08-31 一种弹性扭转缓冲器
CN202211055445.0 2022-08-31

Publications (1)

Publication Number Publication Date
WO2024045946A1 true WO2024045946A1 (fr) 2024-03-07

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PCT/CN2023/108595 WO2024045946A1 (fr) 2022-08-31 2023-07-21 Amortisseur de torsion élastique

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WO (1) WO2024045946A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115435045A (zh) * 2022-08-31 2022-12-06 湖南科技大学 一种弹性扭转缓冲器

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6238294B1 (en) * 1998-05-08 2001-05-29 Ellergon Antriebstechnik Gmbh Torsional vibration damper or torsionally elastic coupling
JP2008151166A (ja) * 2006-12-14 2008-07-03 Calsonic Kansei Corp 動力伝達装置
CN102072277A (zh) * 2009-01-07 2011-05-25 艾勒根传动工程有限责任公司 扭振减振器
WO2015020303A1 (fr) * 2013-08-09 2015-02-12 케이아이엠씨(주) Accouplement souple combiné à un amortisseur de vibration hydraulique de vibration d'arbre
CN105626826A (zh) * 2014-11-19 2016-06-01 米巴烧结奥地利有限公司 齿轮装置
CN107110283A (zh) * 2014-10-31 2017-08-29 法雷奥离合器公司 具有弹性板片的振动缓冲装置
CN109099072A (zh) * 2018-08-16 2018-12-28 湖南大学 准零刚度弹性联轴器
CN109915538A (zh) * 2018-08-10 2019-06-21 潘小杰 一种扭转减振结构和扭转减振器
CN115435045A (zh) * 2022-08-31 2022-12-06 湖南科技大学 一种弹性扭转缓冲器

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6238294B1 (en) * 1998-05-08 2001-05-29 Ellergon Antriebstechnik Gmbh Torsional vibration damper or torsionally elastic coupling
JP2008151166A (ja) * 2006-12-14 2008-07-03 Calsonic Kansei Corp 動力伝達装置
CN102072277A (zh) * 2009-01-07 2011-05-25 艾勒根传动工程有限责任公司 扭振减振器
WO2015020303A1 (fr) * 2013-08-09 2015-02-12 케이아이엠씨(주) Accouplement souple combiné à un amortisseur de vibration hydraulique de vibration d'arbre
CN107110283A (zh) * 2014-10-31 2017-08-29 法雷奥离合器公司 具有弹性板片的振动缓冲装置
CN105626826A (zh) * 2014-11-19 2016-06-01 米巴烧结奥地利有限公司 齿轮装置
CN109915538A (zh) * 2018-08-10 2019-06-21 潘小杰 一种扭转减振结构和扭转减振器
CN109099072A (zh) * 2018-08-16 2018-12-28 湖南大学 准零刚度弹性联轴器
CN115435045A (zh) * 2022-08-31 2022-12-06 湖南科技大学 一种弹性扭转缓冲器

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