KR100191715B1 - Load sensing valve of double rear axle car - Google Patents

Load sensing valve of double rear axle car Download PDF

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Publication number
KR100191715B1
KR100191715B1 KR1019960021692A KR19960021692A KR100191715B1 KR 100191715 B1 KR100191715 B1 KR 100191715B1 KR 1019960021692 A KR1019960021692 A KR 1019960021692A KR 19960021692 A KR19960021692 A KR 19960021692A KR 100191715 B1 KR100191715 B1 KR 100191715B1
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KR
South Korea
Prior art keywords
rear axle
sensing valve
load sensing
damper
operating rod
Prior art date
Application number
KR1019960021692A
Other languages
Korean (ko)
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KR980001025A (en
Inventor
김종완
Original Assignee
정몽규
현대자동차주식회사
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Priority to KR1019960021692A priority Critical patent/KR100191715B1/en
Publication of KR980001025A publication Critical patent/KR980001025A/en
Application granted granted Critical
Publication of KR100191715B1 publication Critical patent/KR100191715B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
    • B60G9/02—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle or housing being pivotally mounted on the vehicle, e.g. the pivotal axis being parallel to the longitudinal axis of the vehicle
    • B60G9/022—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle or housing being pivotally mounted on the vehicle, e.g. the pivotal axis being parallel to the longitudinal axis of the vehicle the axle having an imaginary pivotal point
    • B60G9/025—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle or housing being pivotally mounted on the vehicle, e.g. the pivotal axis being parallel to the longitudinal axis of the vehicle the axle having an imaginary pivotal point using linkages for the suspension of the axle allowing its lateral swinging displacement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/11—Mounting of sensors thereon
    • B60G2204/116—Sensors coupled to the suspension arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/25—Stroke; Height; Displacement
    • B60G2400/252—Stroke; Height; Displacement vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/22—Braking, stopping

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

본 발명은 차량의 하중상태나 도로조건 또는 주행조건에 따른 양측 서스펜션의 변위를 일정하게 유지함으로써 리어 브레이크의 로킹을 방지함과 동시에 제동이 원활하게 이루어지도록 하는 더블 리어 액슬 차량의 로드 센싱 밸브에 관한 것으로, 제1, 2 리어 액슬 하우징(10)(20)을 제1 작동로드(30)로 수평으로 힌지, 연결하고, 제1 작동로드(30)의 일측 상방에 마운팅 브래킷(40)을 고정, 설치하며, 또한 마운팅 브래킷(40)에 댐퍼(50)를 고정, 설치하되, 댐퍼(50)의 전방측에 제2 작동로드(60)를 연결하고, 아울러 제2 작동로드(60)는 댐퍼(50)로부터 상방으로 직각, 절곡하여 그 상단에 조인트(70)를 연결하며, 조인트(70)에 작동레버(80)를 힌지, 연결하면서 작동레버(80)의 선단부 로드 센싱 밸브(90)를 연결한 것이다.The present invention relates to a load sensing valve for a double rear axle vehicle that prevents the rear brake from being locked and smoothly brakes by keeping the displacements of the two side suspensions constant in accordance with the load state, The first and second rear axle housings 10 and 20 are horizontally hinged and connected to the first operating rod 30 and the mounting bracket 40 is fixed to one side of the first operating rod 30, The second operating rod 60 is connected to the front side of the damper 50 and the second operating rod 60 is connected to the damper 50. The damper 50 is fixed to the mounting bracket 40, 50 of the operation lever 80. The joint 70 is connected to the upper end of the joint 70 and the tip end load sensing valve 90 of the operation lever 80 is connected to the joint 70 by hinging the operation lever 80 It is.

Description

더블 리어 액슬 차량의 로드 센싱 밸브Load sensing valve for double rear axle vehicle

제1도는 종래 로드 센싱 밸브 연결상태 사시도.FIG. 1 is a perspective view of a conventional load sensing valve connected state. FIG.

제2도는 본 발명 로드 센싱 밸브 연결상태 사시도.FIG. 2 is a perspective view of the connection state of the load sensing valve of the present invention. FIG.

제3도는 본 발명 댐퍼의 작동상태를 나타낸 정면도.FIG. 3 is a front view showing an operating state of the damper of the present invention. FIG.

* 도면의 주요부분에 대한 부호의 설명DESCRIPTION OF THE REFERENCE NUMERALS

10 : 제1리어 액슬 하우징 20 : 제2 리어 액슬 하우징10: first rear axle housing 20: second rear axle housing

30, 100 : 제1 작동로드 40 : 마운팅 브래킷30, 100: first working rod 40: mounting bracket

50 : 댐퍼 60, 110 : 제2 작동로드50: damper 60, 110: second operating rod

70, 120, 130 : 조인트 80 : 작동레버70, 120, 130: Joint 80: Operation lever

90 : 로드 센싱 밸브90: Load sensing valve

본 발명은 더블 리어 액슬 차량의 로드 센싱 밸브에 관한 것으로, 특히 차량의 하중상태나 도로조건 또는 주행조건에 따른 양측 서스펜션의 변위를 일정하게 유지함으로써 리어 서스펜션의 로킹을 방지함과 동시에 제동이 원활하게 이루어지도록 하는 더블 리어 액슬 차량의 로드 센싱 밸브에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a load sensing valve for a double rear axle vehicle, and more particularly to a load sensing valve for a double rear axle vehicle, in which the displacement of both side suspensions is constantly maintained according to a load condition, To a load sensing valve of a double rear axle vehicle.

일반적으로 2개의 리어 액슬 하우징을 갖는 대형 트럭의 경우에 있어서는 각각의 리어 액슬 하우징에 리프 스프링을 포함하는 서스펜션이 장착되고 있으며, 또한 차량의 제동에 따른 브레이크의 작동시 앞, 뒤 브레이크의 공기압이 달라지는 것을 억제하기 위하여 하중에 따라 앞, 뒤 브레이크의 공압비를 변환시키는 로드 센싱 밸브를 전방측 리어 액슬 하우징 또는 후방측 리어 액슬 하우징에 장착, 사용한다.Generally, in the case of a large truck having two rear axle housings, a suspension including a leaf spring is mounted on each rear axle housing. In addition, the air pressure of the rear brakes varies depending on the braking of the vehicle A load sensing valve for converting the air pressure ratio of the front and rear brakes according to the load is mounted and used in the front side rear axle housing or the rear side rear axle housing.

이러한 로드 센싱 밸브의 장착 예는 제1도와 같은 바, 즉 제1도는 종래 리어 액슬의 로드 센싱 밸브 연결상태 사시도를 나타낸 것으로, 전방측에 제1리어 액슬 하우징(10)과, 그 후방측에 다른 제2리어 액슬 하우징(20)이 위치되어 있고, 일측의 제1리어 액슬 하우징(10)의 후방측에 제1 작동로드(100)가 수평으로 연결되어 있으며, 또한 제1 작동로드(100)의 선단 상부에 제2 작동로드(110)가 직각으로 위치되면서 이 제1, 2 작동로드(100)(110)가 상호 조인트(120)로 연결되어 있다.1 is a perspective view of a state in which a load sensing valve is connected to a load sensing valve of a conventional rear axle. The first operating rod 100 is horizontally connected to the rear side of the first rear axle housing 10 on one side and the second operating rod 100 is connected to the rear side of the first rear axle housing 10 on the other side, The first and second actuating rods 100 and 110 are connected to each other by a joint 120 while the second actuating rod 110 is positioned at a right angle on the top of the tip.

상기 제2 작동로드(110)의 상단에 작동레버(80)가 위치되면서 제2작동로드(110)과 작동레버(80) 사이에 조인트(130)가 연결되어 있으며, 아울러 작동레버(80)에는 로드 센싱 밸브(90)가 연결, 설치되어 있다.A joint 130 is connected between the second actuating rod 110 and the actuating lever 80 while the actuating lever 80 is positioned at the upper end of the second actuating rod 110. The actuating lever 80 A load sensing valve 90 is connected and installed.

따라서 종래의 로드 센싱 밸브(90)는 차량의 제동시 차체의 적재하중이나 도로조건 또는 주행조건 등에 따라 제1리어 액슬 하우징(10)의 상, 하 변위에 대응하여 제1 작동로드(100)가 역시 상, 하측으로 움직이며, 또한 제1 작동로드(100)에 의해 작동레버(80)가 움직여 로드 센싱 밸브(90)를 작동시켜 전, 후 차륜의 제동유압비를 조정함으로써 원활한 제동이 이루어지도록 한다.Therefore, in the conventional load sensing valve 90, the first actuating rod 100 is moved in accordance with the upper and lower displacements of the first rear axle housing 10 in accordance with the load of the vehicle body, the road condition, So that the braking oil pressure ratio of the front and rear wheels is adjusted by operating the load sensing valve 90 by moving the operating lever 80 by the first operating rod 100 do.

그러나 종래에는 서스펜션에 리프 스프링이 장착되고, 또한 제2리어 액슬 하우징이 변위에 대응하지 못하므로 차량의 하중상태나 도로조건 또는 주행조건 등에 따라 양측 서스펜션의 변위가 상이해지고, 이로 인하여 로드센싱 밸브의 작동기능 및 작동효과가 저하되는 것은 물론 제동시 차량의 로킹현상이 발생되는 단점이 있었다.However, conventionally, since the leaf spring is mounted on the suspension and the second rear axle housing does not correspond to the displacement, the displacements of the two side suspensions differ depending on the load state of the vehicle, the road condition or the running condition, The operating function and the operating effect are deteriorated and the vehicle is locked during braking.

본 발명의 목적은, 차량의 하중상태나 도로조건 또는 주행조건에 따른 양측 서스펜션의 변위를 일정하게 유지함으로써 리어 브레이크의 로킹을 방지함과 동시에 제동이 원활하게 이루어지도록 하는 더블 리어 액슬 차량의 로드 센싱 밸브를 제공하기 위한 것이다.SUMMARY OF THE INVENTION An object of the present invention is to provide a double rear axle vehicle load sensing system for preventing the rear brakes from being locked and maintaining braking smoothly by keeping the displacements of both side suspensions constant in accordance with the load state, Valve.

본 발명은 상기의 목적을 달성하기 위하여, 전방측에 제1 리어 액슬 하우징과, 그 후방측에 다른 제2 리어 액슬 하우징을 설치하고, 양측 제1, 2 리어 액슬 하우징을 제1 작동로드로 수평으로 힌지, 연결하며, 또한 제1 작동로드의 일측 상방에 마운팅 브래킷을 고정, 설치하여 구성한다.In order to achieve the above object, the present invention is characterized in that a first rear axle housing is provided on the front side and a second rear axle housing is provided on the rear side thereof, and the first and second rear axle housings And a mounting bracket is fixed to one side of the first operating rod.

상기 마운팅 브래킷에 댐퍼를 고정, 설치하되, 댐퍼의 전방측에 제2 작동로드를 연결하며, 또한 제2 작동로드는 댐퍼로부터 상방으로 직각, 절곡하여 그 상단에 조인트를 연결하여 구성한다.The damper is fixed to the mounting bracket. The damper is connected to a second actuating rod on the front side of the damper. The second actuating rod is perpendicularly bent upward from the damper, and the joint is connected to the upper end of the damper.

상기 조인트에 작동레버를 힌지, 연결하고, 조인트의 상단에 레버를 연결하며, 레버에는 로드 센싱 밸브를 연결, 설치하여 구성된 것이 특징이다.The operation lever is hinged to the joint, the lever is connected to the upper end of the joint, and the lever is connected to a load sensing valve.

이하, 본 발명의 구체적인 실시예를 도면을 참조하여 상세히 설명한다.Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

제2도는 본 발명 로드 센싱 밸브 연결상태 사시도이고, 제3도는 본 발명 댐퍼의 정면도를 각기 나타낸 것이다.FIG. 2 is a perspective view of the damper connected to the load sensing valve of the present invention, and FIG. 3 is a front view of the damper of the present invention.

도면과 같이, 전방측에 제1 리어 액슬 하우징(10)과, 그 후방측에 다른 제2 리어 액슬 하우징(20)을 설치하고, 양측 제1, 2 리어 액슬 하우징(10)(20)을 제1 작동로드(30)로 수평으로 힌지, 연결하며, 또한 제1 작동로드(30)의 일측 상방에 마운팅 브래킷(40)을 고정, 설치하여 구성한다.As shown in the drawing, the first rear axle housing 10 is provided on the front side and the second rear axle housing 20 is provided on the rear side thereof. The first and second rear axle housings 10, 1 operating rod 30, and the mounting bracket 40 is fixed to one side of one side of the first operating rod 30. As shown in FIG.

상기 마운팅 브래킷(40)에 댐퍼(50)를 고정, 설치하되, 댐퍼(50)의 전방측에 제2 작동로드(60)를 연결하며, 또한 제2 작동로드(60)는 댐퍼(50)로부터 상방으로 직각, 절곡하여 그 상단에 조인트(70)를 연결하여 구성한다.The damper 50 is fixed to the mounting bracket 40 and the second operation rod 60 is connected to the front side of the damper 50 and the second operation rod 60 is connected to the damper 50 Bent upward at right angles to connect the joint 70 to the upper end thereof.

상기 조인트(70)에 작동레버(80)를 힌지, 연결하고, 작동레버(80)의 선단부에 로드 센싱 밸브(90)를 연결, 설치하여 구성된 것이다.The operation lever 80 is hingedly connected to the joint 70 and the load sensing valve 90 is connected to the tip end of the operation lever 80.

따라서 본 발명은 제2, 3도와 같이, 차량의 제동시 차체의 적재하중이나 도로조건 또는 주행조건 등에 따라 제1, 2 리어 액슬 하우징(10)(20)의 상, 하 변위가 발생하면, 이때 제1 작동로드(30)가 역시 회동하여 제2 작동로드(60)를 움직이며, 또한 제2 작동로드(60)의 움직임에 따라 작동레버(80)가 변위되면서 로드 센싱 밸브(90)를 작동시켜 전, 후 차륜의 제동공압비를 조정함으로써 원활한 제동이 이루어지도록 한다.Therefore, when the first and second rear axle housings 10 and 20 are displaced upward and downward according to the load of the vehicle body, the road condition, or the running condition during braking of the vehicle, The first actuating rod 30 also rotates to move the second actuating rod 60 and the actuating lever 80 is displaced in accordance with the movement of the second actuating rod 60 to actuate the rod sensing valve 90 And the braking air pressure ratio of the front and rear wheels is adjusted so that the braking is smoothly performed.

즉, 브레이크 제동시 제1 리어 액슬 하우징(10)이 제2 리어 액슬 하우징(20)보다 상대적으로 높게 변위될 경우에는 제1 작동로드(30)의 전, 후방측이 각기 상방 및 하방으로 이동, 변위된다.That is, when the first rear axle housing 10 is displaced relatively higher than the second rear axle housing 20 during braking, the front and rear sides of the first operating rod 30 are moved upward and downward, respectively, Is displaced.

또 제1 작동로드(30)가 변위됨에 따라 댐퍼(50)가 상방으로 작동하면서 제2 작동로드(60)가 상방으로 이동하여 로드 센싱 밸브(90)를 구동시키며, 로드 센싱 밸브(90)의 구동에 의해 전, 후 브레이크의 공압비를 조정함으로써 제동이 원활하게 이루어지도록 함과 동시에 로킹을 방지한다.As the first actuating rod 30 is displaced, the second actuating rod 60 moves upward to drive the load sensing valve 90 while the damper 50 is operated upward, By adjusting the air pressure ratio of the front and rear brakes by driving, braking is smoothly performed and locking is prevented.

한편 브레이크 제동시 제2 리어 액슬 하우징(20)이 제1 리어 액슬하우징(10)보다 상대적으로 높게 변위될 경우에는 제1 작동로드(30)의 전, 후방측이 각기 하방 및 상방으로 이동, 변위된다.On the other hand, when the second rear axle housing 20 is displaced relatively higher than the first rear axle housing 10 during braking, the front and rear sides of the first operating rod 30 are moved downward and upward, do.

또 제1 작동로드(30)가 변위됨에 따라 댐퍼(50)가 하방으로 작동하면서 제1 작동로드(30)가 하방으로 이동하여 로드 센싱 밸브(90)를 구동시키며, 로드 센싱 밸브(90)의 구동에 의해 전, 후 브레이크의 구동 공압비를 조정한다.As the first actuating rod 30 is displaced, the damper 50 is operated downward and the first actuating rod 30 moves downward to drive the load sensing valve 90, and the load sensing valve 90 The drive air pressure ratio of the front and rear brakes is adjusted by driving.

이상과 같이 본 발명은, 제1, 2 리어 액슬 하우징을 상호 제1 작동로드로 힌지, 연결하고, 제1 작동로드상에 댐퍼를 연결, 설치하며, 또한 댐퍼를 로드 센싱 밸브에 연결된 제2 작동로드에 연결하여, 차량의 제동시 제1, 2 리어 액슬 하우징의 변위에 따른 전, 후 차륜의 제동 공압비를 조정함으로써 리어 서스펜션의 로킹을 방지함과 동시에 제동성능이 향상되는 이점을 갖는다.As described above, according to the present invention, the first and second rear axle housings are hinged to each other with the first operating rod, and the damper is connected and installed on the first operating rod, and the damper is also connected to the second operation And the braking air pressure ratio of the front and rear wheels in accordance with the displacement of the first and second rear axle housings during braking of the vehicle is adjusted so as to prevent locking of the rear suspension and improve braking performance.

Claims (1)

제1, 2 리어 액슬 하우징; 제1 리어 액슬 하우징 또는 제2 리어 액슬 하우징에 설치된 제1 작동로드; 제1 작동로드의 선단 상부에 직각으로 연결된 제2 작동로드; 제2 작동로드에 조인트로 연결된 작동레버; 가동레버에 연결된 로드 센싱 밸브가 구비된 것에 있어서, 상기 제1 작동로드가 제1, 2 리어 액슬 하우징에 연결되고, 제1 작동로드상에 댐퍼가 설치됨과 동시에 제2 작동로드의 하단에 연결되어 제1, 2 리어 액슬 하우징의 변위에 따라 전, 후 차륜의 제동 공압비가 조정되는 것을 특징으로 하는 더블 리어 액슬 차량의 로드 센싱 밸브.First and second rear axle housings; A first operating rod installed in the first rear axle housing or the second rear axle housing; A second actuating rod connected at right angles to the upper end of the first actuating rod; An operating lever jointly connected to the second operating rod; Wherein the first actuating rod is connected to the first and second rear axle housings and is connected to the lower end of the second actuating rod at the same time that the damper is installed on the first actuating rod and the load sensing valve is connected to the movable lever Wherein the braking air pressure ratio of the front and rear wheels is adjusted in accordance with the displacement of the first and second rear axle housings.
KR1019960021692A 1996-06-15 1996-06-15 Load sensing valve of double rear axle car KR100191715B1 (en)

Priority Applications (1)

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KR1019960021692A KR100191715B1 (en) 1996-06-15 1996-06-15 Load sensing valve of double rear axle car

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Application Number Priority Date Filing Date Title
KR1019960021692A KR100191715B1 (en) 1996-06-15 1996-06-15 Load sensing valve of double rear axle car

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KR980001025A KR980001025A (en) 1998-03-30
KR100191715B1 true KR100191715B1 (en) 1999-06-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102452383A (en) * 2010-11-03 2012-05-16 中国第一汽车集团公司 Load sensing valve system of vehicle with independent suspension

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102452383A (en) * 2010-11-03 2012-05-16 中国第一汽车集团公司 Load sensing valve system of vehicle with independent suspension

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