KR101134707B1 - Jig for installing a timing chain at an engine - Google Patents

Jig for installing a timing chain at an engine Download PDF

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Publication number
KR101134707B1
KR101134707B1 KR1020050000143A KR20050000143A KR101134707B1 KR 101134707 B1 KR101134707 B1 KR 101134707B1 KR 1020050000143 A KR1020050000143 A KR 1020050000143A KR 20050000143 A KR20050000143 A KR 20050000143A KR 101134707 B1 KR101134707 B1 KR 101134707B1
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South Korea
Prior art keywords
lever arm
protrusion
arm
engine
timing chain
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KR1020050000143A
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Korean (ko)
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KR20070070280A (en
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오정한
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현대자동차주식회사
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Priority to KR1020050000143A priority Critical patent/KR101134707B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/02—Assembly jigs
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Automatic Assembly (AREA)

Abstract

본 발명에 의한 지그는, 실린더블록에 체인커버 장착이 완료된 상태에서 타이밍체인이 통과되는 연통구멍을 가진 실린더헤드를 실린더블록에 장착할 때, 상기 실린더헤드의 연통구멍을 통해 타이밍체인과 체인가이드 및 텐셔너암이 용이하게 통과할 수 있도록 보조함으로써, 엔진의 조립작업성을 향상시킬 수 있도록 한다.
Jig according to the present invention, when mounting the cylinder head having a communication hole through which the timing chain passes through the cylinder block in the cylinder block is completed, the timing chain and chain guide through the communication hole of the cylinder head and By assisting the tensioner arm to pass easily, it is possible to improve the assembly workability of the engine.

Description

엔진의 타이밍체인 조립용 지그{JIG FOR INSTALLING A TIMING CHAIN AT AN ENGINE}JIG FOR INSTALLING A TIMING CHAIN AT AN ENGINE}

도 1 내지 도 3은 본 발명이 적용되는 엔진의 조립과정을 설명한 도면,1 to 3 are views illustrating an assembly process of an engine to which the present invention is applied;

도 4는 본 발명이 적용되는 엔진의 실린더헤드를 도시한 사시도,4 is a perspective view showing a cylinder head of an engine to which the present invention is applied;

도 5는 본 발명에 따른 지그의 구조를 도시한 사시도,5 is a perspective view showing the structure of a jig according to the present invention;

도 6은 도 5의 지그를 장착하기 직전의 텐셔너암과 체인가이드를 도시한 도면,FIG. 6 is a view illustrating a tensioner arm and a chain guide immediately before mounting the jig of FIG. 5. FIG.

도 7은 본 발명 지그의 적용상태를 도시한 도면이다. 7 is a view showing an application state of the jig of the present invention.                 

<도면의 주요 부분에 대한 부호의 간단한 설명><Brief description of symbols for the main parts of the drawings>

1; 지그 3; 텐셔너암One; Jig 3; Tensioner arm

5, 11; 돌기 7; 제1레버암5, 11; Projection 7; 1st lever arm

9; 체인가이드 13; 제2레버암9; Chain guide 13; 2nd lever arm

15; 걸림핀 17; 아암부15; Engaging pin 17; Arm

19; 힌지핀 21; 코일부19; Hinge pin 21; Coil

23; 토션스프링 25; 실린더헤드23; Torsion springs 25; Cylinder head

27; 볼트마운팅홀 29; 돌기삽입홀27; Bolt mounting holes 29; Protrusion Insertion Hole

31; 실린더블록 33; 체인커버31; Cylinder block 33; Chain cover

본 발명은 엔진의 타이밍체인 조립용 지그에 관한 것으로서, 보다 상세하게는 실린더블록측에 타이밍체인의 가조립을 마친 상태에서 실린더헤드를 실린더블록에 장착하는 방식의 엔진 조립에 사용되는 지그에 관한 기술이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig for assembling a timing chain of an engine, and more particularly, to a jig used for assembling an engine by mounting a cylinder head to a cylinder block in a state where the timing chain is temporarily assembled on the cylinder block side. .

도 1 내지 도 3은 본 발명이 적용되는 엔진의 조립과정을 설명한 것으로서, 도 1은 실린더블록(500)에 타이밍체인(502)이 가조립된 상태를 도시하고 있다. 즉, 크랭크샤프트스프로켓(504)에 타이밍체인(502)이 감겨 있고, 타이밍체인(502)의 양쪽에 텐셔너암(506)과 체인가이드(508)가 피봇 지지되어 있다.1 to 3 illustrate an assembly process of an engine to which the present invention is applied, and FIG. 1 illustrates a state in which a timing chain 502 is temporarily assembled in a cylinder block 500. In other words, the timing chain 502 is wound around the crankshaft sprocket 504, and the tensioner arm 506 and the chain guide 508 are pivotally supported on both sides of the timing chain 502.

상기와 같이 실린더블록(500)에 타이밍체인(502)을 가조립한 상태에서 도 2 와 같이 실린더블록(500)에 체인커버(510)를 장착한다. 이후, 도 3과 같이 실린더헤드(512)를 실린더블록(500)에 조립하게 되는데, 상기 실린더헤드(512)는 도 4에 도시된 바와 같이 하측부분에 타이밍체인(502)이 관통되도록 연통구멍(514)이 형성되고, 상기 연통구멍(514)은 사이드레일(516)에 의해 닫힌 구조이다.As described above, the chain cover 510 is mounted to the cylinder block 500 as shown in FIG. 2 in a state in which the timing chain 502 is temporarily assembled to the cylinder block 500. Thereafter, as shown in FIG. 3, the cylinder head 512 is assembled to the cylinder block 500, and the cylinder head 512 has a communication hole such that the timing chain 502 penetrates through the lower portion as shown in FIG. 4. 514 is formed, and the communication hole 514 is closed by the side rails 516.

상기 사이드레일(516)은 실린더블록(500)에 결합된 상기 체인커버(510)의 상측에 결합되어 실링(SEALING)된다.The side rail 516 is coupled to the upper side of the chain cover 510 coupled to the cylinder block 500 is sealed (SEALING).

이후, 상기 타이밍체인(502)을 캠샤프트스프로켓에 걸어서 타이밍체인(502) 조립작업을 완료하게 된다.Thereafter, the timing chain 502 is hooked on the cam shaft sprocket to complete the assembly of the timing chain 502.

상기한 바와 같이 타이밍체인(502)의 조립작업이 이루어지는 과정에서, 상기 실린더헤드(512)를 실린더블록(500)에 조립하기 위해서는 상기 타이밍체인(502)과 텐셔너암(506) 및 체인가이드(508)가 상기 연통구멍(514)을 통과하도록 해야 하는데, 상기 텐셔너암(506)과 체인가이드(508)는 실린더블록(500)에 피봇지지되어 움직이므로 상기 연통구멍(514)을 통과시키기가 쉽지 않다.In the process of assembling the timing chain 502 as described above, in order to assemble the cylinder head 512 to the cylinder block 500, the timing chain 502, the tensioner arm 506 and the chain guide 508 Should pass through the communication hole 514. Since the tensioner arm 506 and the chain guide 508 are pivotally supported by the cylinder block 500, it is not easy to pass the communication hole 514. .

본 발명은 상기한 바와 같은 엔진의 조립과정에서 실린더헤드를 실린더블록에 장착할 때, 실린더헤드의 연통구멍을 통해 타이밍체인과 체인가이드 및 텐셔너암이 용이하게 통과할 수 있도록 보조함으로써, 엔진의 조립작업성을 향상시킬 수 있도록 한 엔진의 타이밍체인 조립용 지그를 제공함에 그 목적이 있다.The present invention assists the timing chain, the chain guide and the tensioner arm to easily pass through the communication hole of the cylinder head when the cylinder head is mounted on the cylinder block in the process of assembling the engine as described above. An object of the present invention is to provide a jig for assembling a timing chain of an engine to improve workability.

상기한 바와 같은 목적을 달성하기 위한 본 발명 엔진의 타이밍체인 조립용 지그는 Timing chain assembly jig of the engine of the present invention for achieving the above object is

텐셔너암에 회전 가능하게 끼워지는 돌기를 구비한 제1레버암과;A first lever arm having a projection rotatably fitted to the tensioner arm;

체인가이드에 회전 가능하게 끼워지는 돌기를 구비하고, 상기 제1레버암과 힌지로 연결된 제2레버암과;A second lever arm having a protrusion rotatably fitted to the chain guide and connected to the first lever arm by a hinge;

상기 제1레버암의 돌기와 상기 제2레버암의 돌기 사이의 거리가 좁아지는 방향으로 상기 제1레버암과 제2레버암을 탄성 지지하도록 설치된 탄성수단;Elastic means provided to elastically support the first lever arm and the second lever arm in a direction in which the distance between the protrusion of the first lever arm and the protrusion of the second lever arm is narrowed;

을 포함하여 구성된 것을 특징으로 한다.And a control unit.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

도 5를 참조하면, 본 발명 실시예의 지그(1)는 텐셔너암(3)에 회전 가능하게 끼워지는 돌기(5)를 구비한 제1레버암(7)과; 체인가이드(9)에 회전 가능하게 끼워지는 돌기(11)를 구비하고, 상기 제1레버암(7)과 힌지로 연결된 제2레버암(13)과; 상기 제1레버암(7)의 돌기(5)와 상기 제2레버암(13)의 돌기(11) 사이의 거리가 좁아지는 방향으로 상기 제1레버암(7)과 제2레버암(13)을 탄성 지지하도록 설치된 탄성수단을 포함하여 구성된다.5, the jig 1 of the embodiment of the present invention includes a first lever arm 7 having a projection 5 rotatably fitted to the tensioner arm 3; A second lever arm (13) having a projection (11) rotatably fitted to the chain guide (9), the hinge being connected to the first lever arm (7); The first lever arm 7 and the second lever arm 13 in a direction in which the distance between the protrusion 5 of the first lever arm 7 and the protrusion 11 of the second lever arm 13 is narrowed. It is configured to include an elastic means installed to elastically support.

본 실시예에서 상기 탄성수단은 상기 제1레버암(7)과 상기 제2레버암(13)에 동일한 방향으로 각각 돌출된 걸림핀(15)과; 상기 두 걸림핀(15)에 두 아암부(17)가 각각 지지되고, 상기 제1레버암(7)과 제2레버암(13)의 힌지핀(19)에 코일부(21)가 끼워진 토션스프링(23)으로 구성하였다.In the present embodiment, the elastic means comprises: engaging pins 15 protruding in the same direction to the first lever arm 7 and the second lever arm 13; Two arm parts 17 are supported by the two locking pins 15, and a torsion coil 21 is fitted to the hinge pins 19 of the first and second lever arms 7 and 13. It consisted of the spring 23.

즉, 상기 제1레버암(7)과 제2레버암(13)은 상기 토션스프링(23)에 의해서 각각의 돌기들이 서로 근접하는 방향으로 탄성지지되도록 함으로써, 체인가이드(9)와 텐셔너암(3)의 상단이 서로 모이도록 함으로써, 실린더헤드(25)의 연통구멍을 통과하기 용이한 상태로 만드는 것이다.That is, the first lever arm 7 and the second lever arm 13 are elastically supported in the direction in which each of the protrusions are adjacent to each other by the torsion spring 23, so that the chain guide 9 and the tensioner arm ( The upper ends of 3) are brought together to make it easy to pass through the communication holes of the cylinder head 25.

이때, 상기 제2레버암(13)의 돌기(11)는 상기 체인가이드(9)의 볼트마운팅홀(27)에 삽입되는데, 상기 체인가이드(9)의 볼트마운팅홀(27)은 상기 체인가이드(9)의 상측을 실린더헤드(25)에 고정하기 위해 종래부터 체인가이드(9)에 형성되어 있는 구멍이다.At this time, the projection 11 of the second lever arm 13 is inserted into the bolt mounting hole 27 of the chain guide 9, the bolt mounting hole 27 of the chain guide 9 is the chain guide In order to fix the upper side of (9) to the cylinder head 25, it is a hole formed in the chain guide 9 conventionally.

한편, 상기 제1레버암(7)의 돌기(5)는 상기 텐셔너암(3)에 회전 가능한 상태로 삽입되어야 하는데, 텐셔너암(3)에는 통상 상기 제1레버암(7)의 돌기(5)가 삽입될만한 구멍이 구비되어 있지 않으므로, 상기 제1레버암(7)의 돌기(5)가 회전 가능한 상태로 삽입되도록 텐셔너암(3)에 돌기삽입홀(29)을 형성한다(도 6참조).Meanwhile, the protrusion 5 of the first lever arm 7 should be inserted into the tensioner arm 3 in a rotatable state, and the protrusion 5 of the first lever arm 7 is usually inserted into the tensioner arm 3. ) Is not provided with a hole for insertion, so that the projection insertion hole 29 is formed in the tensioner arm 3 so that the projection 5 of the first lever arm 7 is rotatably inserted (see FIG. 6). ).

엔진의 조립시에는, 타이밍체인과 텐셔너암(3) 및 체인가이드(9)를 실린더블록(31)에 장착한 후, 상기 지그(1)의 제1레버암(7)의 돌기(5)를 텐셔너암(3)의 돌기삽입홀(29)에 삽입하고, 상기 제2레버암(13)의 돌기(11)를 체인가이드(9)의 볼트마운팅홀(27)에 삽입하여, 텐셔너암(3)과 체인가이드(9)가 서로 모이도록 한다.When assembling the engine, the timing chain, the tensioner arm 3 and the chain guide 9 are mounted on the cylinder block 31, and then the projection 5 of the first lever arm 7 of the jig 1 is removed. Insert the projection insertion hole 29 of the tensioner arm 3, insert the projection 11 of the second lever arm 13 into the bolt mounting hole 27 of the chain guide 9, the tensioner arm (3) ) And the chain guide (9) come together.

이와 같은 상태에서, 작업자는 체인커버(33)를 장착하여, 실린더블록(31)측의 타이밍체인 설치작업을 임시로 완료한다.In this state, the operator attaches the chain cover 33 to temporarily complete the installation of the timing chain on the cylinder block 31 side.

상기와 같이 지그(1)를 텐셔너암(3)과 체인가이드(9)에 설치하면, 상기 토션스프링(23)의 힘에 의해 상기 텐셔너암(3)과 체인가이드(9)는 서로를 향하여 모여서 각각의 자유로운 유동이 억제된 상태가 되므로, 실린더헤드(25)의 연통구멍을 통과하기 용이한 상태로 되고, 이 상태에서 실린더헤드(25)를 실린더블록(31)에 장착하면, 용이하게 실린더헤드를 실린더블록(31)에 장착할 수 있게 되며, 도 7에 그 상태가 도시되어 있다.When the jig 1 is installed on the tensioner arm 3 and the chain guide 9 as described above, the tensioner arm 3 and the chain guide 9 are gathered toward each other by the force of the torsion spring 23. Since each free flow is suppressed, it becomes the state which is easy to pass through the communication hole of the cylinder head 25, and when a cylinder head 25 is attached to the cylinder block 31 in this state, a cylinder head becomes easy It can be mounted to the cylinder block 31, the state is shown in FIG.

참고로, 도 7에서 타이밍체인은 생략되어 있지만, 타이밍체인은 상기 텐셔너암(3)과 체인가이드(9)의 사이에 위치하게 되어, 상기 텐셔너암(3)과 체인가이드(9)에 의해 하측으로 흘러내리지 않도록 지지된다.For reference, although the timing chain is omitted in FIG. 7, the timing chain is positioned between the tensioner arm 3 and the chain guide 9, and is lowered by the tensioner arm 3 and the chain guide 9. It is supported so that it does not flow down.

물론, 상기 지그(1)는 조립작업이 완료된 후에 탈거된다.Of course, the jig 1 is removed after the assembly work is completed.

이상과 같이 본 발명에 의한 지그는, 실린더블록에 체인커버 장착이 완료된 상태에서 타이밍체인이 통과되는 연통구멍을 가진 실린더헤드를 실린더블록에 장착할 때, 상기 실린더헤드의 연통구멍을 통해 타이밍체인과 체인가이드 및 텐셔너암이 용이하게 통과할 수 있도록 보조함으로써, 엔진의 조립작업성을 향상시킬 수 있도록 한다.As described above, the jig according to the present invention, when mounting the cylinder head having a communication hole through which the timing chain passes in the cylinder block in the state that the chain cover is mounted on the cylinder block, and the timing chain through the communication hole of the cylinder head; By assisting the chain guide and the tensioner arm to pass easily, it is possible to improve the assembly workability of the engine.

Claims (4)

텐셔너암에 회전 가능하게 끼워지는 돌기를 구비한 제1레버암과;A first lever arm having a projection rotatably fitted to the tensioner arm; 체인가이드에 회전 가능하게 끼워지는 돌기를 구비하고, 상기 제1레버암과 힌지로 연결된 제2레버암과;A second lever arm having a protrusion rotatably fitted to the chain guide and connected to the first lever arm by a hinge; 상기 제1레버암의 돌기와 상기 제2레버암의 돌기를 서로 근접시키는 방향으로 상기 제1레버암과 제2레버암을 탄성 지지하도록 설치된 탄성수단;Elastic means provided to elastically support the first lever arm and the second lever arm in a direction in which the protrusion of the first lever arm and the protrusion of the second lever arm are close to each other; 을 포함하여 구성된 것을 특징으로 하는 엔진의 타이밍체인 조립용 지그.Timing chain assembly jig of the engine, characterized in that configured to include. 제1항에 있어서, 상기 탄성수단은The method of claim 1, wherein the elastic means 상기 제1레버암과 상기 제2레버암에 동일한 방향으로 각각 돌출된 걸림핀과;Engaging pins protruding from the first lever arm and the second lever arm in the same direction; 상기 두 걸림핀에 두 아암부가 각각 지지되고, 상기 제1레버암과 제2레버암의 힌지핀에 코일부가 끼워진 토션스프링으로 구성된 것Two arm parts are respectively supported on the two engaging pins, and a torsion spring having a coil part fitted to a hinge pin of the first lever arm and the second lever arm. 을 특징으로 하는 엔진의 타이밍체인 조립용 지그.Timing chain assembly jig of the engine, characterized in that. 제1항에 있어서, 상기 제2레버암의 돌기는 체인가이드의 볼트마운팅홀에 회동 가능한 상태로 삽입되는 것The protrusion of the second lever arm is inserted into the bolt mounting hole of the chain guide in a rotatable state. 을 특징으로 하는 엔진의 타이밍체인 조립용 지그.Timing chain assembly jig of the engine, characterized in that. 텐셔너암에 회전 가능하게 끼워지는 돌기를 구비한 제1레버암과; A first lever arm having a projection rotatably fitted to the tensioner arm; 체인가이드에 회전 가능하게 끼워지는 돌기를 구비하고, 상기 제1레버암과 힌지로 연결된 제2레버암과;A second lever arm having a protrusion rotatably fitted to the chain guide and connected to the first lever arm by a hinge; 상기 제1레버암의 돌기와 상기 제2레버암의 돌기를 서로 근접시키는 방향으로상기 제1레버암과 제2레버암을 탄성 지지하도록 설치된 탄성수단과;Elastic means provided to elastically support the first lever arm and the second lever arm in a direction in which the protrusion of the first lever arm and the protrusion of the second lever arm are close to each other; 상기 제1레버암의 돌기가 회전 가능한 상태로 삽입되도록 돌기삽입홀이 형성된 텐셔너암;을 구비한 엔진.And a tensioner arm having a protrusion insertion hole formed to insert the protrusion of the first lever arm in a rotatable state.
KR1020050000143A 2005-01-03 2005-01-03 Jig for installing a timing chain at an engine KR101134707B1 (en)

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