KR200175556Y1 - Cvt for transferring of power - Google Patents

Cvt for transferring of power Download PDF

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Publication number
KR200175556Y1
KR200175556Y1 KR2019970021779U KR19970021779U KR200175556Y1 KR 200175556 Y1 KR200175556 Y1 KR 200175556Y1 KR 2019970021779 U KR2019970021779 U KR 2019970021779U KR 19970021779 U KR19970021779 U KR 19970021779U KR 200175556 Y1 KR200175556 Y1 KR 200175556Y1
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South Korea
Prior art keywords
power
belt
shaft
cage
continuously variable
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KR2019970021779U
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Korean (ko)
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KR19990008667U (en
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최종천
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이관기
대우중공업주식회사
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H9/00Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
    • F16H9/02Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
    • F16H9/04Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
    • F16H9/08Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a conical drum

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

Abstract

1. 청구범위에 기재된 고안이 속하는 기술분야1. TECHNICAL FIELD OF THE INVENTION

본 고안은 동력전도용 무단변속기에 관한 것이다.The present invention relates to a continuously variable transmission for power conduction.

2. 고안이 해결하려고 하는 기술적 과제2. The technical problem the invention is trying to solve

종래 구성의 경우, 벨트의 마모 및 소음이 심하고, 회전동력 전달방향과 직각으로 위치변경력이 가하여지므로 동력의 손실 또한 크다.In the conventional configuration, the wear and noise of the belt are severe, and since the position change force is applied at right angles to the rotational power transmission direction, power loss is also large.

3. 고안의 해결방법의 요지3. Summary of solution of design

구동축(1)과 피동축(2)에 벨트가 설치되고, 구동축(1) 및 피동축(2)의 축중심과 벨트(B)의 접속면과의 거리를 변경시켜 무단변속을 수행하는 수단을 가지는 것을 특징으로 한다.The belt is provided on the drive shaft 1 and the driven shaft 2, and means for performing stepless shifting by changing the distance between the shaft center of the drive shaft 1 and the driven shaft 2 and the connection surface of the belt B. It is characterized by having.

4. 고안의 종요한 용도4. Major uses of the devise

구성이 간단하며 동력전도에 의한 마찰력의 인가방향과 가동웨지의 이동방향이 동일하므로 변속에 따른 동력의 손실 또한 적은 유용한 고안인 것이다.The configuration is simple and the application direction of the friction force by the power conduction and the moving direction of the movable wedge is the same, so the loss of power due to the shift is also a useful design.

Description

동력전도용 무단변속기Continuous Transmission for Power Conduction

본 고안은 동력전도용 무단변속기에 관한 것으로서, 더욱 상세하는 자동차에서의 각종 구동부로의 동력전달 및 기계가 공부로의 동력 전달등 다양한 용도로서 동력전달을 위한 무단변속기에 관한 것이다.The present invention relates to a continuously variable transmission for power conduction, and more particularly, to a continuously variable transmission for power transmission in a variety of uses, such as power transmission to various driving units in a car and power transmission to a machine.

자동차, 공작기계 등의 기계류에서는 모우터, 엔진 등의 구동력을 전달함에 있어서 피동축과 구동축간의 동력 전달은 주로 기어 및 벨트 등의 구동부재를 사용하고 다양한 구성의 무단변속구성이 제안되어 있다.In machinery such as automobiles and machine tools, power transmission between a driven shaft and a driving shaft in the transmission of driving force of a motor, an engine, etc. mainly uses a drive member such as a gear and a belt, and a continuously variable configuration of various configurations has been proposed.

그중에서 벨트식 전동기구의 변속구성은 폭이 일정한 ∨ 벨트에 대하여 이를 수용하는 풀리를 구성하는 한쌍의 디스크플레이트사이의 축간 거리를 변경함으로서 ∨벨트가 걸림되는 위치를 변경함으로서 구동축과 피동축의 축간거리를 변경함으로서 이루어진다.Among them, the shifting configuration of the belt-type electric mechanism changes the position between the drive shaft and the driven shaft by changing the interaxial distance between the pair of disk plates constituting the pulley for accommodating the fixed belt. By changing the distance.

그러나, 상기하는 구성의 무단변속기의 경우에는 회동하는 ∨벨트를 축상에서 이동시켜야 하므로 벨트의 마모 및 소음이 심하고, 회전동력에 대하여 직각으로인가되는 위치변경력이 가하여지므로 동력의 손실 또한 크다는 문제점을 가지고 있다.However, in the case of the continuously-variable transmission having the above-described configuration, since the rotating belt is to be moved on the shaft, wear and noise of the belt are severe, and since the position change force applied at right angles to the rotating power is applied, the loss of power is also large. Have.

본 고안에서는 상기한 종래 구성의 동력전도용 무단변속기의 문제점을 감안하여, 동력전달방향과 벨트위치변경력의 작동력의 인가방향을 동일하게 구성함으로서 벨트의 마모 및 소음의 유발을 극소화하고 리니어한 무단변속비를 얻을 수 있는 동력전도용 무단변속기를 제공하는 것을 특징으로 한다.In the present invention, in consideration of the problems of the above-described conventional power transmission continuously variable transmission, by configuring the power transmission direction and the direction of application of the operating force of the belt position change force to minimize the wear and noise of the belt and linear continuously variable speed ratio It is characterized by providing a continuously variable transmission for power conduction.

따라서 본고안의 동력전도용 무단변속기는 주로 벨트식 전도기구에 적합하게 구현될 수 있다.Therefore, the continuously variable transmission for power conduction of this paper can be implemented suitably mainly for a belt-type conduction mechanism.

제1도는 종래의 벨트식 변속기를 도시하는 개략적인 구성설명도.1 is a schematic configuration explanatory diagram showing a conventional belt type transmission.

제2도는 본고안의 동력전도용 무단변속기의 구성을 도시하는 A-A 선을 따라 취한 단면도 및 측단면도.2 is a cross-sectional view and a side cross-sectional view taken along the line A-A showing the configuration of the continuously variable transmission for power conduction in this article.

제3도는 본고안의 동력전도용 무단변속기의 구성의 작동을 설명하는 설명도이다.3 is an explanatory diagram for explaining the operation of the configuration of the continuously variable transmission for power conduction according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

B : 벨트 40 : 케이지B: Belt 40: Cage

42 : 출몰슬리트 50 : 가동웨지42: inlet slit 50: movable wedge

60 : 유압실린더60: hydraulic cylinder

상기하는 목적의 본고안의 동력전도용 무단변속기의 구성을 부수되는 도면과 함께 종래의 구성과 비교하여 더욱 상세하게 설명한다.The configuration of the continuously variable transmission for power conduction of the present invention described above will be described in more detail in comparison with the conventional configuration together with the accompanying drawings.

제 1 도는 종래의 벨트식 변속기를 도시하는 개략적인 구성설명도, 제 2 도는 본고안의 동력전도용 무단변속기의 구성을 도시하는 A-A 선을 따라 취한 단면도 및 측단면도, 제 3 도는 무단변속기의 구성의 작동을 설명하는 설명도이다.1 is a schematic configuration explanatory diagram showing a conventional belt-type transmission, FIG. 2 is a cross-sectional view and a side cross-sectional view taken along line AA showing the configuration of a continuously variable transmission for power transmission according to the present invention, and FIG. 3 is an operation of the configuration of a continuously variable transmission. It is explanatory drawing explaining the.

종래의 구성의 경우에는 구동축(1)과 피동축(2) 사이에 ∨벨트(3)가 걸쳐져 있고 구동축(1)과 피동축(2)에 장착되는 풀리(10, 20)는 도시하는 화살표방향으로 이동하는 축간거리조절기구를 내장하여 구성된다.In the case of the conventional structure, the pulleys 3 and 3 are interposed between the drive shaft 1 and the driven shaft 2, and the pulleys 10 and 20 mounted on the drive shaft 1 and the driven shaft 2 are shown in the direction of the arrow. It is composed of a built-in inter-axis distance control mechanism to move to.

따라서, 풀리(10, 20)의 가동디스크(11, 12, 21, 22)는 ∨벨트(3)에 대한 접속력을 유지하면서 축상에서 이동하여 구동축(1)과 피동축(2) 간 거리(D)를 변경할 수 있게 됨으로서 무단 변속이 이루어지는 것이다.Accordingly, the movable disks 11, 12, 21, 22 of the pulleys 10, 20 move on the shaft while maintaining the connection force to the bevel belt 3, so that the distance between the drive shaft 1 and the driven shaft 2 ( By being able to change D), it is stepless.

상기하는 종래 구성은 구동축(1)과 피동축(2)에 장착되는 풀리(10, 20)의 가동디스크(11, 12, 21, 22)의 이동기구가 대단히 복잡하고 ∨벨트(3)의 측방에 대한 구속력을 가지게 되므로 벨트의 조기마모 및 동력의 손실이라는 상술하는 문제점을 가지게 된다.The above-described conventional configuration is very complicated in the movement mechanism of the movable disks 11, 12, 21, 22 of the pulleys 10, 20 mounted on the drive shaft 1 and the driven shaft 2, and on the side of the shock belt 3; Since it has a binding force to the belt has the above-mentioned problems of early wear of the belt and loss of power.

제 2 도이하와 함께 본 고안의 동력전도용 무단변속기을 상세히 설명한다.With reference to the second diagram below will be described in detail the continuously variable transmission for power transmission of the present invention.

구동축(1)과 피동축(2)의 어느 하나 또는 양측에 모두 설치되는 본고안의 동력전도용 무단변소기(T)는 도시하는 바와 같이 축(30)의 단부에 부착되는 개략 단면 " ㄷ " 형상의 케이지(40)를 가진다.The power-conducting continuously variable transformer T of the present invention, which is provided on either or both of the drive shaft 1 and the driven shaft 2, has a schematic cross-section "c" shape attached to the end of the shaft 30, as shown. It has a cage 40.

케이지(40)는 디스크플레이트(41)상에 측방으로 다수개의 원주상의 출몰슬리트(42)를 등간격으로 배설하여 가지는 수용관체(43)가 직립하여 장착되니 구성을 가진다.The cage 40 has a configuration in which the receiving pipe 43 having the plurality of circumferentially slitting slits 42 arranged laterally on the disc plate 41 is mounted upright.

상기의 출몰슬리트(42)의 최대폭(G)은 변속구성하는 최대변속비에서 최대로 가동웨지(50)가 상기의 출몰슬리트(42)로부터 최대한 이탈하여 있는 상태의 것으로서 설정함이 당연할 것이다.Naturally, the maximum width G of the inlet slits 42 is set as the state where the movable wedge 50 is deviated from the inlet slits 42 as much as possible at the maximum speed ratio constituting the shift. .

가동웨지(50 : Wedge)는 원주체의 중심을 따라서 방사상으로 절단된 형상을 하는 가동체로서 구성된다. 가동웨지(50)의 일단부는 벨트와 접속하는 벨트접속면(51)을 구성하여 원호상으로 구성되고, 타단부는 유압실린더(60)와 연결된 원추형상의 가동슬라이더(61)의 경사면(61)과 접속하기에 용이한 사면으로서 구성된다.The movable wedge 50 is configured as a movable body having a shape cut radially along the center of the cylinder. One end of the movable wedge 50 constitutes a belt connecting surface 51 for connecting with the belt, and is configured in an arc shape, and the other end thereof is inclined with the inclined surface 61 of the conical movable slider 61 connected to the hydraulic cylinder 60. It is comprised as a slope which is easy to connect.

따라서, 상기의 가동웨(50)는 케이지(40)내방에 조립되고 가동웨지(50)의 각 단부는 가동슬라이더(61)와 면접속하게 된다.Thus, the movable wedge 50 is assembled inside the cage 40 and each end of the movable wedge 50 is in surface contact with the movable slider 61.

가동웨지(50)와 가동슬라이더(61)는 면접속하면서 슬라이딩되는 부분이므로 표면조도가 낮은 것이 바람직하다.Since the movable wedge 50 and the movable slider 61 are portions which slide while being connected to the surface, it is preferable that the surface roughness is low.

상기하는 구성으로서, 유압실린더(60)가 외방으로부터의 신호에 기하여 가동슬랑이더(61)를 케이지(40) 내방으로 인입시키면 이에 면접속하고 있는 가동웨지(50)가 상방(즉, 직경방향 외방)으로 출몰하게 되고 구동축(1)과 피동축(2)에 장착된 각각의 무단면속기(T)가 구성하는 축간 거리가 상이하게 변경됨으로서 변속이 수행된다.As described above, when the hydraulic cylinder 60 pulls the movable slender 61 into the cage 40 in response to a signal from the outside, the movable wedge 50 connected to the surface thereof is upward (that is, in the radial direction). Shifting is performed by changing the distance between the axes of the endless accelerator T which is mounted on the driving shaft 1 and the driven shaft 2 and is different from each other.

상기하는 작용을 미루어 보아, 본고안의 동력전도용 무단변속기는 변속비가 높지 않은 동력 구성에 적합하며 벨트(B)는 가동웨지(50)와 인접한 다른 가동웨지(50') 가 구성하는 간극(H)에 의하여 진동이 유발되지 아니하는 정도의 평면인장강도 및 두께를 가지게 된다.In view of the above effect, the continuously variable transmission for power conduction in this paper is suitable for a power configuration in which the transmission ratio is not high, and the belt B is disposed in the gap H formed by the movable wedge 50 and other movable wedges 50 'adjacent thereto. It has a flat tensile strength and thickness that does not cause vibration.

제 3 도는 본고안의 동력적도용 무단변속기의 사용을 도시하는 순차적 변속상태를 모식적으로 도시한다.3 schematically shows a sequential shift state showing the use of a power transmission continuously variable transmission of the present invention.

이상과 같은 구성의 본고안의 동력전도용 무단변속기는, 종래 풀리의 디스크간 거리의 변경에 의한 무단변속에 비하여 구성이 간단하며 동력전도에 의한 마찰력의 인가방향과 가동웨지의 이동방향이 동일하므로 변속에 따른 동력의 손실 또한 적은 유용한 고안인 것이다.The power transmission continuously variable transmission of the present configuration having the above configuration is simpler in configuration than the continuously variable speed due to the change of the distance between the discs of the conventional pulley, and the direction of applying friction force and the moving wedge by the power conduction are the same. The loss of power is also a useful design.

Claims (1)

구동축(1)과 피동축(2)의 어느 하나 또는 양측에 모두 설치되고, 상기 축의 단부에 부착되는 개략 단면 "ㄷ"형상이며, 디스크플레이트(41)상에 측방으로 다수개의 원주상의 출몰슬리트(42)를 등간격으로 배설하여 가지는 수용관체(43)를 직립구성한 케이지(40), 상기 케이지(40)의 출몰슬리트(42)에 각각 삽입되도록 원주체의 중심을 따라서 방사상으로 등각 절단된 형상의 가동웨지(50), 유압실린더(60)와 연결된 원추형상의 가동슬라이더(61)의 경사면(61')과 접속하고 상기 가동웨지(50)는 케이지(40)내방에 조립되어 상기 가동슬라이더(61)의 신축으로 면접속하는 상기 가동웨지(50)가 상기 출몰슬리트(42)로부터 출몰함으로서, 상기 구동축(1) 및 피동축(2)의 축중심과 벨트(B)의 접속면과의 거리변경에 의한 무단변속을 수행하게 하는 것을 특징으로 하는 동력전도용 무단변속기.It is provided on either or both sides of the drive shaft 1 and the driven shaft 2, and has a roughly cross-sectional " c " shape attached to the end of the shaft, and has a plurality of circumferentially circumferentially angular shapes on the disc plate 41. Radial isometric cutting along the center of the circumference so as to be inserted into the cage 40, the upright constituting cage 40, and the slit 42 of the cage 40, each having the housing 42 disposed at equal intervals. Connected to the inclined surface 61 'of the cone-shaped movable slider 61 connected to the movable wedge 50 and the hydraulic cylinder 60, and the movable wedge 50 is assembled inside the cage 40 so that the movable slider The movable wedge 50, which is surface-connected to the expansion and contraction of 61, emerges from the haunting slit 42, whereby the shaft center of the drive shaft 1 and driven shaft 2 and the connection surface of the belt B are connected. For power conduction, characterized in that the stepless speed change is performed by changing the distance Continuously variable transmission.
KR2019970021779U 1997-08-04 1997-08-04 Cvt for transferring of power KR200175556Y1 (en)

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