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WO2018190558A1 - Dispositif de transfert de puissance pour transmission à variation continue de type à courroie de chaîne - Google Patents

Dispositif de transfert de puissance pour transmission à variation continue de type à courroie de chaîne Download PDF

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Publication number
WO2018190558A1
WO2018190558A1 PCT/KR2018/003941 KR2018003941W WO2018190558A1 WO 2018190558 A1 WO2018190558 A1 WO 2018190558A1 KR 2018003941 W KR2018003941 W KR 2018003941W WO 2018190558 A1 WO2018190558 A1 WO 2018190558A1
Authority
WO
WIPO (PCT)
Prior art keywords
chain belt
support bar
sprocket
chain
continuously variable
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2018/003941
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English (en)
Korean (ko)
Inventor
황현
조용수
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2018190558A1 publication Critical patent/WO2018190558A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F16H—GEARING
    • F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
    • F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
    • F16H9/24—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using chains or toothed belts, belts in the form of links; Chains or belts specially adapted to such gearing
    • 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
    • F16H—GEARING
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04—Gearings providing a continuous range of gear ratios
    • F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
    • 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
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/30—Chain-wheels
    • F16H55/303—Chain-wheels for round linked chains, i.e. hoisting chains with identical links

Definitions

  • the present invention relates to a chain belt continuously variable transmission, and more particularly, the force transmitted from the main shaft to the driven shaft can be transmitted completely without slipping at the contact point between the chain belt and the sprocket while causing damage due to deterioration in durability.
  • the invention relates to a power transmission device for a chain belt continuously variable transmission in accordance with a new form which can be prevented.
  • a transmission used in a vehicle is a device for changing and transmitting power generated from an engine to a required rotational force according to a speed, a manual transmission for shifting through a normal manual operation, an automatic transmission for automatically shifting a predetermined number of stages, It is divided into CVT (Continuously Variable Transmission), which is designed to shift continuously according to speed.
  • CVT Continuous Variable Transmission
  • the continuously variable transmission unlike the stepped transmissions such as the manual transmission or the automatic transmission, the continuously variable transmission is configured to continuously perform infinite shifts according to the operation of the accelerator within a predetermined range, thereby maximizing energy by utilizing the optimum engine characteristic region. It is to improve the efficiency, excellent acceleration and comfortable ride.
  • Korean Patent No. 10-0915224 Korean Patent No. 10-1017423, and the like.
  • the aforementioned conventional continuously variable transmission has a structure in which the push belt slides by sliding into the V-shaped groove to change the rotation radius, and the push belt is compressed between two main pulleys and two pulleys connected to the driven shaft. It is configured to adjust the rotational speed while sliding while winning.
  • These belts are made of high-alloy steel for high durability because they transmit power at thousands of revolutions per minute, and are made by a combination of hundreds of belt supports made of metal between multiple layers of belts, and easily bent along the pulley. It is designed to provide a surface that is flexible and solid enough to lose weight.
  • the aforementioned conventional continuously variable transmission has a problem that slip occurs when the initial torque is large when the belt wear and tension decrease due to long-term use, thereby limiting the size of the product and energy consumption. Has a disadvantage of being large.
  • the belt support of the prior art described above has a structure of a ratchet gear portion provided to prevent slipping with the belt, as in the case of Patent No. 10-1017423 even though many of them distribute and support the force provided from the belt. Because of the molding on the surface, the structure of the ratchet gear portion does not guarantee the durability of the belt support.
  • the present invention has been made to solve the various problems according to the prior art described above, the object of the present invention is that the force transmitted from the main shaft to the driven shaft can be transmitted completely without slipping at the contact between the chain belt and the sprocket In addition, the present invention provides a power transmission device for a chain belt continuously variable transmission in accordance with a new type to prevent damage caused by deterioration of durability.
  • the power transmission device for a chain belt continuously variable transmission of the present invention for achieving the above object is movable along the forming direction of the slide groove with two support plates radially penetrated through the plurality of slide grooves, and the two support plates therebetween.
  • the chain belt is composed of a plurality of chain blocks rotatably connected to each other and
  • a plurality of receiving grooves are formed in a surface of the chain block, which is in contact with the sprocket, which is an inner surface of each of the chain blocks, and the support bar is installed at both ends of the sprocket to move along the slide groove while passing through the slide groove; Operation provided as a part of the engagement with the chain belt while being fixed to the bar
  • a frame and a resilient installed between the frame work and supporting bars that end is characterized by configured by comprising a plurality
  • each chain block constituting the chain belt is formed to be concave rounded toward the center
  • the surface contacting the chain block of the operation frame constituting the sprocket is formed to be convex toward the center of the inside of the chain block It is characterized in that it is made to be in close contact with the surface.
  • the operation frame constituting the sprocket is laminated on the outer surface of the support bar, the operation frame and the support bar is characterized in that it is configured to form a single body with each other by bolting the ends of each other.
  • the torsion preventing pin is further provided to prevent the torsion.
  • the operation frame constituting the sprocket is formed in the stepped stepped groove so that the chain belt is received on the outer surface, a plurality of mounting grooves are accommodated and mounted on the surface contacting the support bar which is the inner surface of the operation frame
  • the recess is formed, and the stepped groove of the operation frame is formed at the site where the recess is formed so as to communicate with each of the mounting grooves, each of which exposes a portion of each of the morphine is exposed, wherein each morphine is expanded to be caught in the mounting groove And an exposed end that protrudes outwardly from the expansion end and passes through the exposure hole to be exposed to the outside, and one end of the support groove contacts the expansion end of the morphine and the other end of the support bar. Restoring springs that provide restoring force to the morphine while being in contact with the surface is provided do.
  • the power transmission device for a chain belt continuously variable transmission of the present invention has an effect that stable torque transmission can be achieved without slip phenomenon at initial startup even if the wear and tension reduction of the chain belt occurs due to long-term use. .
  • the power transmission device for a continuously variable chain belt type transmission of the present invention is capable of transmitting accurate power as the structure for power transmission between the chain belt and the sprocket is composed of a plurality of morphine and receiving grooves selectively inserted or protruded. It has an effect that slip occurrence can be prevented.
  • each sprocket is installed so that the installation site of each morphine and the installation site on each support plate is made of a different structure, mounting groove and exposure for the installation of each morphine
  • Each support plate is able to reinforce the weakened strength due to the formation of the ball has the effect that the breakage can be prevented during power transmission.
  • the power transmission device for the chain-belt continuously variable transmission of the present invention the support bar and the operation frame constituting each sprocket so that the strength reinforcement between each other can be stably achieved by the addition of a torsion prevention pin as well as bolting at both ends. Has the effect.
  • FIG. 1 is an exploded perspective view showing the state provided to the main spline shaft of the power transmission device for a chain belt continuously variable transmission of the present invention.
  • Figure 2 is an exploded perspective view for explaining the state provided to the driven spline shaft of the power transmission device for a chain belt type continuously variable transmission of the present invention.
  • FIG. 3 is an exploded perspective view illustrating the sprocket of the power transmission device for a chain belt continuously variable transmission of the present invention.
  • Figure 4 is a perspective view showing a sprocket for explaining the sprocket of the power transmission device for a chain belt continuously variable transmission of the present invention.
  • FIG. 5 is an exploded cross-sectional view illustrating the sprocket of the power transmission device for a chain belt continuously variable transmission of the present invention.
  • FIG. 6 is a cross-sectional view illustrating the sprocket of the power transmission device for a chain belt continuously variable transmission of the present invention.
  • FIG. 7 is a plan view showing the structure of the support bar of the sprocket of the power transmission device for a chain belt type continuously variable transmission of the present invention.
  • Figure 8 is a longitudinal cross-sectional view illustrating the internal structure of the support bar of the sprocket of the power transmission device for a chain belt type continuously variable transmission of the present invention.
  • FIG. 9 is a plan view showing the structure of the operation frame of the sprocket of the power transmission device for a chain belt continuously variable transmission of the present invention.
  • Figure 10 is a perspective view of the main portion showing a state viewed in plan to explain the chain belt of the power transmission device for a chain belt type continuously variable transmission of the present invention.
  • Figure 11 is a perspective view of the main portion showing a state viewed from the bottom to explain the chain belt of the power transmission device for a chain belt continuously variable transmission of the present invention.
  • FIG. 12 is a plan view showing the shape of the unit chain of the chain belt of the power transmission device for a chain belt continuously variable transmission of the present invention.
  • Figure 13 is a side view showing the shape of the unit chain of the chain belt of the power transmission device for a chain belt type continuously variable transmission of the present invention.
  • FIGS. 1 to 13 a preferred embodiment of a power transmission device for a chain belt continuously variable transmission of the present invention will be described with reference to FIGS. 1 to 13.
  • the continuously variable transmission to which the power transmission device for the chain belt type continuously variable transmission of the present invention is applied is a transmission for shifting and outputting a driving force provided from a motor or an engine.
  • FIG. 1 is an exploded perspective view showing the state provided to the main spline shaft of the power transmission device for a chain belt continuously variable transmission of the present invention
  • Figure 2 is a power transmission device for a continuously variable chain belt type transmission of the present invention.
  • the power transmission device for a chain belt continuously variable transmission of the present invention includes two support plates 110 and 120, two transmission plates 210 and 220, a plurality of sprockets 300 and a chain belt 400.
  • the sprocket 300 is to ensure that the power transmission can be made stable while the engagement and release of the chain belt 400 is continuously made repeatedly to prevent the occurrence of slip phenomenon.
  • the two support plates 110 and 120 are provided to guide the radial movement of each sprocket 300 to be described later.
  • the two support plates 110 and 120 are disposed to face each other, and the plurality of slide grooves 112 and 122 penetrate in the radial direction based on the central shaft holes 111 and 121 through which the spline shafts 510 and 520 penetrate, respectively.
  • the spline shafts 510 and 520 may be not only the spline shaft 510 of the main driving side as shown in FIG. 1 but also the spline shaft 520 of the driven side as shown in FIG.
  • the gears connected to both ends of the spline shafts 510 and 520 are provided in different structures.
  • through grooves 113 and 123 through which the respective slide grooves 112 and 122 pass are formed on the circumferential surfaces of the two support plates 110 and 120, respectively, and supports the sprockets 300 to be described later through the through grooves 113 and 123.
  • Guide protrusions 311 located at both ends of the bar 310 may pass through each.
  • the two shift plates 210 and 220 are provided to determine the position of each sprocket 300.
  • These two shift plates 210 and 220 are located at the outer sides of the two support plates 110 and 120, respectively, and shaft holes 211 and 221 through which the spline shafts 510 and 520 are formed are formed in the center thereof, and the sides facing the support plates 110 and 120 are formed.
  • a plurality of guide grooves 212 and 222 are formed on the wall surface of the guide protrusions 311 located at both ends of the support bar 310 constituting the sprocket 300 to form an involute curve.
  • the sprocket 300 is moved in the radial direction along the slide grooves 112 and 122 of the two support plates 110 and 120 by the rotation operation of the two shift plates 210 and 220 to increase the diameter of the chain belt 400 wound up. Or it can be reduced.
  • each of the sprockets 300 to transmit the driving force provided through the spline shaft (510, 520) to the chain belt 400, or to transmit the driving force provided from the chain belt (400) to the spline shaft (510, 520)
  • the plurality of sprockets 300 are gathered to form one variable pulley having a variable diameter, and in the following description, the plurality of sprockets 300 are coupled to the two support plates 110 and 120. It means that it is configured to gather together and perform the role of chain sprocket.
  • Each of the sprockets 300 is installed to be movable along the forming direction of each of the slide grooves 112 and 122 formed to correspond to each other on the two support plates 110 and 120 with the two support plates 110 and 120 therebetween.
  • the sprocket 300 includes a support bar 310, an operation frame 320, and a plurality of morph pins 330.
  • the support bar 310 is a block body installed to be movable along the slide grooves 112 and 122 of the two support plates 110 and 120, and is provided to reinforce the strength of the operation frame 320 to be described below.
  • Guide protrusions 311 are formed at both ends of the guide grooves 212 and 222, respectively, which penetrate through the slide grooves 112 and 122 and are received in the guide grooves 212 and 222 of the two shift plates 210 and 220, respectively.
  • the operation frame 320 is a portion provided to be installed to the morph pin 330 while being coupled to the support bar 310 while being in contact with the chain belt 400, the outer surface of the support bar 310 It is installed to be stacked.
  • the operation frame 320 and the support bar 310 is configured to form a single body with each other by bolting the two ends between each other.
  • the operation frame 320 is a stepped stepped groove 321 is formed in the recess so that the chain belt 400 is received on its outer surface, each of the morph pins 330 on the surface contacting the support bar 310 which is an inner surface
  • a plurality of mounting grooves 322 to be accommodated and mounted are formed in the recesses, and the stepped grooves 321 of the operation frame 320 are indented in communication with the respective mounting grooves 322 so as to communicate with each of the morph pins 330.
  • Exposed holes 323, each of which is partially exposed, are formed.
  • a portion of the inner side of the opposite side between the operating frame 320 and the support bar 310 is inserted into the operating frame 320 as compared to both ends of the bolting fastening.
  • each morphine 330 is a portion provided to prevent slip with the chain belt 400
  • the elastic frame is installed between the operation frame 320 and the support bar 310, the end of the operation frame 320 Protrudes to be received in each receiving groove 420 of the chain belt 400 by passing through the exposure hole 323 of, or separated from each receiving groove 420 of the chain belt 400 into the exposure hole 323 It is configured to be inserted.
  • Each of the morph pins 330 is an extension end 331 extending to be caught in the mounting groove 322 and an exposed end exposed to the outside through the exposure hole 323 while protruding outward from the expansion end 331. 332, wherein one end of the mounting groove 322 is in contact with the expansion end 331 of the morphine 330 and the other end is in contact with the surface of the support bar 310. Restoring springs 350 which provide restoring force to 330 are respectively provided.
  • the sprocket 300 according to the embodiment of the present invention configured as described above is actually a chain belt 400 when considering a plurality of mounting grooves 322 for the installation of each morphine 330 in the operation frame 320 is formed. Since it may be easily broken when the excessive force is provided from the support bar 310 through the additional provision of the support bar 310 by a structure that reinforces to support the load of the chain belt 400 sprocket ( 300) It is a structure to prevent the whole from being damaged.
  • each morphine 330 when the variable pulley is rotated without changing the diameter pulls the chain belt 400 in the form of shear force under a horizontal force, when the speed change occurs, the angle in the radiation direction
  • the position change of the sprocket 300 occurs, due to this position change, the vertical and horizontal forces are provided to the chain belt 400, and each morphine 330 is adapted to the new speed environment of the chain belt 400. It is possible to stably transfer strong force without slipping of force while being fastened or separated to each receiving groove 420.
  • the chain belt 400 is a portion provided to transmit power while being engaged with each of the sprockets 300.
  • the chain belt 400 has one end connected to a variable pulley (drive side variable pulley) that receives power from the spline shaft 510 on the driving side, and the other end transfers power from the spline shaft 520 on the driven side. It is connected to the receiving variable pulley (driven variable pulley) and transmits the driving force shifted by the change in the diameter of the two variable pulleys according to the position variation of each sprocket 300, the plurality of chain blocks 410 are rotatably connected to each other It is done.
  • a variable pulley drive side variable pulley
  • a plurality of receiving grooves 420 are formed in the surface contacting the sprocket 300 which is an inner surface of the chain block 410 constituting the chain belt 400, each of the morph pins 330 forming the sprocket 300 ) Is selectively accommodated.
  • each chain block 410 constituting the chain belt 400 is formed to be concavely rounded toward the center, and the chain block 410 of the operation frame 320 constituting the sprocket 300.
  • the surface in contact with the surface is formed to be convex toward the center to be made to be in close contact with the inner surface of the chain block 410, through which the insertion or protrusion of each morphine 330 constituting the sprocket 300 more smoothly. While being made, the power transmission between the chain belt 400 and each variable pulley can be made stably.
  • the driving force transmitted from the motor or the engine is provided to the driving side spline shaft 510 through an input shaft (not shown) to rotate the driving side spline shaft 510, and then the driving side variable pulley and the chain.
  • the driven side spline shaft 520 is rotated through the belt 400 and the driven variable pulley, and then output through an output shaft (not shown).
  • the morph pins 330 of each of the sprockets 300 constituting the two variable pulleys are sequentially received into the respective receiving grooves 420 of the chain belt 400 and receive a horizontal force to form a chain belt in a shearing force. It will transmit power to (400).
  • the power transmission device for a chain belt continuously variable transmission includes a plurality of morph pins 330 and receiving grooves in which a structure for power transmission between the chain belt 400 and the sprocket 300 is selectively inserted or protruded.
  • each morphine as each sprocket 300 is configured so that the installation portion of each morphine 330 and the installation portion on each support plate (110, 120) is made of a different structure.
  • the support plates 110 and 120 may reinforce the weakened strength due to the formation of the mounting groove 322 and the exposure hole 323 for the installation of the 330, thereby preventing the occurrence of damage during power transmission.
  • the power transmission device for a chain-belt continuously variable transmission of the present invention the support bar 310 and the operation frame 320 constituting each sprocket 300, as well as the bolting fastening of both ends as well as the additional provision of the torsion preventing pin 340.
  • the strength reinforcement between each other can be made stably.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmissions By Endless Flexible Members (AREA)

Abstract

La présente invention concerne un dispositif de transfert de puissance pour une transmission à variation continue de type à courroie de chaîne, comprenant : une courroie de chaîne comprenant plusieurs blocs de chaîne reliés entre eux de manière rotative, une pluralité de rainures de réception étant formées pour être en retrait par rapport à la surface interne de chaque bloc de chaîne, la surface interne venant en butée contre un pignon ; une barre de support installée de façon à pouvoir se déplacer le long d'une rainure coulissante tandis que ses deux extrémités pénètrent dans la rainure coulissante ; un cadre d'actionnement disposé sous la forme d'une partie qui est couplée/fixée à la barre de support, et qui vient en butée contre la courroie de chaîne ; et un pignon comprenant une pluralité de broches en mole installées élastiquement entre le cadre d'actionnement et la barre de support de telle sorte que leurs extrémités pénètrent dans le cadre d'actionnement et pénètrent dans des rainures de réception respectives de la courroie à chaîne. Par conséquent, la puissance transférée de l'arbre d'entraînement à l'arbre suivant reste intacte sans provoquer de glissement entre des parties de contact entre la courroie de chaîne et le pignon, et l'apparition de dommages résultant d'une durabilité dégradée peut être empêchée.
PCT/KR2018/003941 2017-04-10 2018-04-03 Dispositif de transfert de puissance pour transmission à variation continue de type à courroie de chaîne Ceased WO2018190558A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0045982 2017-04-10
KR1020170045982A KR101775616B1 (ko) 2017-04-10 2017-04-10 체인벨트식 무단변속기용 동력전달장치

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WO2018190558A1 true WO2018190558A1 (fr) 2018-10-18

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PCT/KR2018/003941 Ceased WO2018190558A1 (fr) 2017-04-10 2018-04-03 Dispositif de transfert de puissance pour transmission à variation continue de type à courroie de chaîne

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WO (1) WO2018190558A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102206626B1 (ko) 2019-08-21 2021-01-22 조용수 랙 피니언 기어 시스템이 적용된 무단변속기
CN114294401B (zh) * 2021-11-17 2024-01-26 安徽麦克威链传动制造有限公司 一种高稳定性防跳动链轮

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010027026A (ko) * 1999-09-10 2001-04-06 이계안 롤러 체인용 스프로킷
US20050227797A1 (en) * 2004-04-13 2005-10-13 Jeng Fu-Shen Automatic non-step speed changing mechanism
KR20080083934A (ko) * 2007-03-14 2008-09-19 박선만 무단 변속기
JP2010014269A (ja) * 2008-03-26 2010-01-21 Nissan Motor Co Ltd 無段変速装置
KR101017423B1 (ko) * 2010-12-29 2011-02-28 조윤규 체인벨트식 무단변속기의 벨트지지대

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010027026A (ko) * 1999-09-10 2001-04-06 이계안 롤러 체인용 스프로킷
US20050227797A1 (en) * 2004-04-13 2005-10-13 Jeng Fu-Shen Automatic non-step speed changing mechanism
KR20080083934A (ko) * 2007-03-14 2008-09-19 박선만 무단 변속기
JP2010014269A (ja) * 2008-03-26 2010-01-21 Nissan Motor Co Ltd 無段変速装置
KR101017423B1 (ko) * 2010-12-29 2011-02-28 조윤규 체인벨트식 무단변속기의 벨트지지대

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