KR200300862Y1 - Asistance buffer equipment have a suspension system of trailer - Google Patents

Asistance buffer equipment have a suspension system of trailer Download PDF

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Publication number
KR200300862Y1
KR200300862Y1 KR20-2002-0032364U KR20020032364U KR200300862Y1 KR 200300862 Y1 KR200300862 Y1 KR 200300862Y1 KR 20020032364 U KR20020032364 U KR 20020032364U KR 200300862 Y1 KR200300862 Y1 KR 200300862Y1
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KR
South Korea
Prior art keywords
trailer
axle shaft
suspension
bracket
disposed
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Application number
KR20-2002-0032364U
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Korean (ko)
Inventor
김성환
Original Assignee
미래특장차 주식회사
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Priority to KR20-2002-0032364U priority Critical patent/KR200300862Y1/en
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Publication of KR200300862Y1 publication Critical patent/KR200300862Y1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
    • B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
    • B60G11/46—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also fluid springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G5/00—Resilient suspensions for a set of tandem wheels or axles having interrelated movements
    • 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
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43—Fittings, brackets or knuckles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/04—Trailers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/44—Vibration noise suppression
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/14—Trucks; Load vehicles, Busses
    • B60Y2200/147—Trailers, e.g. full trailers or caravans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/09—Reducing noise

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

본 고안은 보조완충장치를 갖춘 트레일러의 현가장치에 관한 것으로, 그 주된 목적은 트레일러가 화물을 적재하지 않은 공차상태에서도 충격에 의해 소음과 진동 발생을 최소화하는 것이다.The present invention relates to a suspension of a trailer with an auxiliary shock absorber, the main purpose of which is to minimize the generation of noise and vibration by the impact even in a tolerance state where the trailer does not load the cargo.

이를 위해 본 고안에 따른 보조완충장치를 갖춘 트레일러의 현가장치는;To this end, the suspension of the trailer with an auxiliary buffer device according to the present invention;

트레일러의 후방하부에 적어도 하나 이상 배치되는 액슬축과 나란하도록 메임프레임 내측에 양단이 장착된 크로스멤버와 이 크로스멤버에 각각 장착된 제 1, 2브라켓에 상, 하단이 힌지결합된 쇽업쇼바로 이루어진 보조완충장치를 포함하는 것이다.It consists of a cross member mounted at both ends inside the main frame so as to be parallel to an axle shaft disposed at the rear lower part of the trailer, and a shock absorber hinged to the first and second brackets mounted on the cross members, respectively. It includes an auxiliary buffer device.

이에 따라 액슬축과 크로스멤버에 수직으로 장착된 쇽업쇼바에 의해 트레일러의 공차주행중 메인프레임에 전달되는 충격을 1차로 흡수하여 소음과 진동을 예방함과 동시에 화물을 적재한 상태에서도 액슬축에 전달되는 하중을 분담하므로서 액슬축의 수명을 길게한 이점이 있다.Accordingly, the shock absorber mounted vertically on the axle shaft and the cross member absorbs the shock transmitted to the mainframe during the towing of the trailer to prevent noise and vibration and to be delivered to the axle shaft even when the cargo is loaded. It has the advantage of extending the life of the axle shaft by sharing the load.

Description

보조완충장치를 갖춘 트레일러의 현가장치 { ASISTANCE BUFFER EQUIPMENT HAVE A SUSPENSION SYSTEM OF TRAILER }Trailer suspension with auxiliary shock absorber {ASISTANCE BUFFER EQUIPMENT HAVE A SUSPENSION SYSTEM OF TRAILER}

본 고안은 트레일러의 현가장치에 관한 것으로, 트레일러의 후방하측에 횡방향으로 나란히 배치된 액슬축과 크로스멤버 사이에 수직으로 배치되어 도로주행중의 충격이 트레일러의 메인프레임에 전달되기전에 1차로 완충되며 완충력을 극대화한 보조완충장치를 갖춘 트레일러의 현가장치에 관한 것이다.The present invention relates to a suspension of a trailer, and is vertically disposed between the axle shaft and the cross member arranged side by side in the rear and lower side of the trailer so that the impact during driving is first buffered before being transmitted to the main frame of the trailer. The present invention relates to a trailer suspension system with an auxiliary shock absorber that maximizes cushioning force.

일반적으로, 트레일러의 후방하부에 배치되어 전방의 견인차에 의해 피견인되는 트레일러의 주행중 완충되는 현가장치에 대해서는 여러 가지가 사용되고 있다.In general, various kinds of suspensions are used for the suspension arranged at the rear lower portion of the trailer and cushioned while the trailer is towed by the front tow truck.

예를 들면, 도 1에 도시한 바와 같은 현가장치(10)가 그 대표적인 것으로, 그 내용은 다음과 같다.For example, the suspension device 10 as shown in FIG. 1 is representative, and the contents thereof are as follows.

도시한 바와 같이, 종래의 현가장치(10)는 트레일러(1)의 메인프레임(1a) 후방 하측에 적어도 한개소 이상 배치되며 양단에 타이어(11)가 배치된 액슬(Axle)축(12)과, 상기 액슬 축(12)의 상부양측에 배치되고, 양단은 메인프레임(1a)의 하부 양측에 배치된 스프링행거(1b)에 양단이 삽입, 지지되어 트레일러(1)의 도로 주행중 충격을 완화하는 판 스프링(13)이 배치된다.As shown in the drawing, the conventional suspension device 10 includes an axle shaft 12 in which at least one or more positions are disposed below the main frame 1a rear of the trailer 1 and tires 11 are disposed at both ends thereof. On both sides of the axle shaft 12, the both ends are inserted into and supported by a spring hanger 1b disposed on both sides of the lower side of the main frame 1a to alleviate the impact of the trailer 1 while driving. The leaf spring 13 is arranged.

이와 같이 구성된 현가장치(10)는 지면에 접촉하는 타이어(11)가 양단에 배치된 액슬축(12)과 메인프레임(1a) 사이에 배치된 판 스프링(13)의 탄성력에 의해 충격을 완화하는 것이다.Suspension device 10 configured as described above is to reduce the impact by the elastic force of the leaf spring 13 disposed between the axle shaft 12 and the main frame 1a disposed on both ends of the tire 11 in contact with the ground. will be.

그러나, 상술한 종래의 현가장치는 트레일러에 화물이 적재되지 않은 공차상태에서 울퉁불퉁한 비포장도로를 주행시 상술한 판 스프링의 양단과 스프링행거의 하부가 접촉되며 공차, 즉, 화물이 적재되지 않은 상태에서의 트레일러 극심한 소음과 진동이 발생하는 문제가 있었다.However, in the conventional suspension described above, both ends of the leaf spring and the lower part of the spring hanger are contacted when driving on a bumpy dirt road in a tolerance state where no load is loaded on a trailer, and the tolerance, that is, in a state where no load is loaded. The trailer had severe noise and vibration problems.

또한, 상기한 바와 같은 소음과 진동에 의해 트레일러 전방의 견인차 운전자는 피로가 누적됨과 동시에 진동에 의해 발생하는 요통등의 직업병이 수반되는 문제가 있었다.In addition, due to the noise and vibration as described above, the tow truck driver in front of the trailer has a problem that occupational diseases such as low back pain caused by vibration and cumulative fatigue are accompanied.

또한, 상술한 바와 같은 판 스프링의 대응책으로 에어백에 의한 완충력으로 소음과 진동을 완화할 수 있는 에어 서스펜션을 적용하고 있으나, 이 에어 서스펜션은 대체로 수입에 의존하며 그 가격이 고가로 형성되어 특수한 용도의 트레일러에 국한되며 널리 보급되지 못하는 문제가 있었다.In addition, as a countermeasure for leaf springs as described above, air suspension that can mitigate noise and vibration by buffering force by the airbag is applied, but this air suspension is generally dependent on imports, and its price is formed at a high price so that it can be used for special purposes. There was a problem with the trailer and not widespread.

본 고안은 이러한 문제점을 해결하기 위한 것으로, 본 고안의 목적은 공차상태에서 비포장도로를 주행하는 트레일러의 소음과 진동을 최소화함과 동시에 충격을 최소화함으로써 운전자가 쾌적한 상태에서 운전할 수 있도록 하는데 있다.The present invention is to solve this problem, an object of the present invention is to minimize the noise and vibration of the trailer driving on the unpaved road in the tolerance state and at the same time to minimize the impact to allow the driver to operate in a comfortable state.

또한, 본 고안의 다른 목적은 판 스프링과 메인프레임 사이에 1차로 충격을 흡수하는 장치를 마련하여 판 스프링과 스프링행거가 장착된 메인프레임에 발생하는 충격을 최소화함으로써, 판 스프링의 수명을 연장하는데 있다.In addition, another object of the present invention is to provide a primary shock absorbing device between the leaf spring and the mainframe to minimize the impact occurring on the leaf spring and the mainframe equipped with the spring hanger, thereby extending the life of the leaf spring have.

또한, 본 고안의 또 다른 목적은 액슬축과 메인프레임 사이에 배치된 완충장치에 의해 에어 서스펜션에 가까운 완충효과를 갖는 현가장치를 널리 공급하는데 있다.In addition, another object of the present invention is to provide a suspension device having a cushioning effect close to the air suspension by a shock absorber disposed between the axle shaft and the main frame.

도 1은 종래 현가장치를 보인 일측면도이고,1 is a side view showing a conventional suspension device,

도 2는 본 고안에 따른 현가장치를 보인 트레일러의 횡단면도이고,2 is a cross-sectional view of a trailer showing a suspension according to the present invention,

도 3은 도 2 "A"-"A"선의 단면도이고,3 is a cross-sectional view taken along the line “A”-“A” of FIG. 2,

도 4와 도 5는 본 고안에 따른 제 1, 2브라켓의 구조를 보인 사시도이다.4 and 5 are perspective views showing the structure of the first and second brackets according to the present invention.

*도면의 주요부분에 대한 부호 설명** Description of symbols on the main parts of the drawings *

1;트레일러 1a;메인프레임1; trailer 1a; mainframe

1b;행거 10;트레일러 현가장치1b; Hanger 10; Trailer suspension

11;타이어 12;액슬축11; tire 12; axle shaft

100;보조완충장치 110;제 1브라켓100; auxiliary buffer device 110; first bracket

120;크로스멤버 130;제 2브라켓120; cross member 130; second bracket

140;쇽 업쇼바140; 쇽 upsoba

이러한 목적을 달성하기 위한 본 고안은;The present invention for achieving this object is;

트레일러 후방 하측에 적어도 한개소 이상 배치되며 양단에 타이어가 배치된액슬축과, 상기 액슬축의 상부양측에 배치되고, 양단은 메인프레임의 하부 양측에 배치된 행거에 지지되어 트레일러의 도로 주행중 충격을 완화하는 판 스프링이 배치된 트레일러 현가장치에 있어서,At least one or more locations are disposed at the rear of the trailer and tires are disposed at both ends, and axles are disposed at both sides of the upper part of the axle shaft, and both ends are supported by hangers disposed at both sides of the lower part of the main frame to alleviate the impact of the trailer while driving. In the trailer suspension is arranged a leaf spring,

상기 트레일러 현가장치는 상기 액슬축의 일측에 수직 2열로 나란히 장착되며 중간부위에 상기 액슬축의 일측이 삽입되도록 호형요홈으로 축지지부가 형성된 제 1브라켓과;The trailer suspension device includes: a first bracket mounted side by side in two vertical rows on one side of the axle shaft and having a shaft support portion formed by an arc-shaped groove so that one side of the axle shaft is inserted in the middle portion;

상기 제 1브라켓의 상부에 배치되며 상기 액슬축과 나란하도록 상기 메인프레임의 내측에 양단이 장착된 크로스멤버와;A cross member disposed above the first bracket and mounted at both ends of the main frame to be parallel to the axle shaft;

상기 크로스멤버의 하부양측에 상기 제 1브라켓과 대향하도록 수직 2열로 장착되며 상부일측으로 크로스멤버의 하부일측이 안착되도록 장착부가 마련된 제 2브라켓과;A second bracket mounted on two lower sides of the cross member so as to face the first bracket, and a mounting bracket provided on the upper side to mount the lower one side of the cross member;

상기 제 1, 2브라켓의 결합부에 형성된 힌지홀을 관통하는 힌지볼트에 의해 힌지결합되어 상기 트레일러의 도로주행중 진동을 1차로 흡수하는 쇽업쇼바로 이루어진 보조완충장치를 포함하는 것을 특징으로 한다.And a secondary shock absorber comprising a shock absorber, which is hinged by a hinge bolt penetrating through a hinge hole formed at a coupling portion of the first and second brackets to absorb vibration during road driving of the trailer.

또한, 제 1, 2브라켓은 내부일측에 장착된 보강부재를 더 포함하는 것을 특징으로 한다.In addition, the first and second brackets are characterized in that it further comprises a reinforcing member mounted on the inner side.

이러한 구성에 의해, 비포장 도로를 주행하는 트레일러의 소음과 진동을 최소화하여 운전자의 피로와 요통등의 질환을 예방함과 동시에 판 스프링과 메인프레임의 수명을 연장한 효과가 있는 것이다.By this configuration, by minimizing the noise and vibration of the trailer driving on the unpaved road to prevent diseases such as fatigue and low back pain of the driver at the same time has the effect of extending the life of the leaf spring and mainframe.

이하, 본 고안에 따른 하나의 바람직한 실시 예를 첨부도면을 참조하여 상세히 설명한다.Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 고안에 따른 현가장치를 보인 트레일러의 횡단면도이고, 도 3은 도 2 "A"-"A"선의 단면도이고, 도 4와 도 5는 본 고안에 따른 제 1, 2브라켓의 구조를 보인 사시도이다.(이하, 종래의 구성과 동일한 구성은 동일명칭과 동일부호를 붙여 설명하되, 종래의 현가장치의 구성은 설명을 생략한다.)Figure 2 is a cross-sectional view of the trailer showing the suspension according to the present invention, Figure 3 is a cross-sectional view of the line "A"-"A" of Figure 2, Figures 4 and 5 are the structure of the first and second brackets according to the present invention (Hereinafter, the same configuration as the conventional configuration is described with the same name and the same reference numerals, but the description of the configuration of the conventional suspension device is omitted.)

도 2 내지 도 5를 참조하면, 본 고안에 따른 트레일러 현가장치(10)(이하, "현가장치"라 칭한다.)는 액슬축의 일측 양단에 수직으로 장착된 제 1브라켓(110)과, 이 제 1브라켓(110)의 상부에 배치되며 액슬(Axle)축(12)과 길이방향으로 나란하도록 메인프레임(1a)의 내측에 양단이 장착된 크로스멤버(120)와, 이 크로스멤버(120)의 하부양측에 배치되며 제 1브라켓(110)의 상단과 수직으로 동심한 위치에 배치된 제 2브라켓(130)과, 이 제 1, 2브라켓(110)(130) 각 단부의 결합부(110a)(130a)에 양단이 삽입되며 이 결합부(110a)(130a)에 형성된 힌지홀(114)(134)을 관통하는 힌지볼트(20)에 의해 힌지결합되는 쇽업쇼바(140)로 이루어진 보조완충장치(100)를 포함하는 것이다.2 to 5, the trailer suspension device 10 (hereinafter referred to as "suspension device") according to the present invention is a first bracket 110 mounted vertically on both ends of the axle shaft, and 1 cross member 120 which is disposed on the upper portion of the bracket 110 and both ends are mounted on the inner side of the main frame 1a to be parallel to the axle shaft 12 in the longitudinal direction, and the cross member 120 Second brackets 130 disposed on both lower sides and disposed at a position concentric with the upper end of the first bracket 110, and coupling portions 110a at each end of the first and second brackets 110 and 130. Both ends are inserted into (130a) and the auxiliary shock absorber consisting of a shock absorber 140 is hinged by the hinge bolt 20 penetrating through the hinge holes (114, 134) formed in the coupling portion (110a, 130a). It includes 100.

도시한 바와 같이, 본 고안에 따른 보조완충장치(100)의 구성중 제 1브라켓(110)은 액슬축(12)의 일측에 소정 두께를 갖는 금속판을 2열로 나란히 배치한 하나의 조립체로서 액슬축(12)의 일측 수직방향으로 소정거리 떨어져 장착되어 있다.As shown, the first bracket 110 of the configuration of the auxiliary buffer device 100 according to the present invention is an axle shaft as one assembly arranged side by side in two rows of metal plates having a predetermined thickness on one side of the axle shaft 12 One side of 12 is mounted away from the predetermined distance in the vertical direction.

제 1브라켓(110)의 일측 중간부위에는 액슬 축(12)의 일측이 삽입되며 장착이 용이하도록 호형(弧形)요홈으로 축지지부(111)가 형성되고, 상측 단부에는 후술하는 쇽업쇼바(140)의 하단이 힌지볼트(20)에 의해 힌지결합이 용이하도록 힌지홀(114)이 형성된 결합부(110a)가 마련되어 있다.One side of the axle shaft 12 is inserted into one side middle portion of the first bracket 110, and the shaft support portion 111 is formed in an arc-shaped groove to facilitate mounting. The lower end of the) is provided with a coupling portion (110a) formed with a hinge hole 114 to facilitate hinge coupling by the hinge bolt (20).

상기한 축지지부(111)의 대향하는 타측에는 보강부재(115)가 장착되어 제 1브라켓(110)이 하나의 조립체가 되도록 함과 동시에 트레일러(1)의 적재하중에도 그 견실한 강도를 유지하도록 하는 보강부재(115)는 가능하면 두꺼운 금속재를 사용하여 보강하는 것이 바람직하다.The reinforcing member 115 is mounted on the other side of the shaft support 111 so that the first bracket 110 becomes one assembly and at the same time maintains its strength even under the load of the trailer 1. The reinforcing member 115 is preferably reinforced using a thick metal material if possible.

또한, 제 1브라켓(110)의 상부에는 크로스멤버(120)가 상기한 액슬축(12)과 나란하도록 메인프레임(1a)의 내측에 양단이 장착되는데, 크로스멤버(120)는 금속판을 "ㄷ"자로 절곡하여 상, 하 방향으로 작용하는 하중에 대응하도록 한 것이다In addition, both ends are mounted on the inner side of the main frame 1a such that the cross member 120 is parallel to the axle shaft 12 on the upper portion of the first bracket 110, and the cross member 120 is formed of a metal plate. "This is to bend to correspond to the load acting in the up and down direction

크로스멤버(120)의 하부양측에는 제 2브라켓(130)이 장착되는데, 이 제 2브라켓(130)도 상술한 제 1브라켓(110)과 마찬가지로 수직으로 나란히 배치되어 2개가 1조로 결합되는 것이다.The second bracket 130 is mounted on both lower sides of the cross member 120. The second bracket 130 is also vertically arranged side by side similarly to the first bracket 110 described above, and the two brackets are combined in a pair.

제 2브라켓(130)은 상기한 제 1브라켓(110)과 대향하도록 장착되며 상부일측으로 크로스멤버(120)의 하부일측이 안착되며 장착되도록 장착부(131)가 형성되는데, 이 장착부(131)는 크로스멤버(120)의 하부일측의 형상에 따라 "ㄴ"자로 형성되어 크로스멤버(120)의 하부와 일측방으로 장착되어 수직방향으로의 하중에 대응하도록 하는 것이다.The second bracket 130 is mounted to face the first bracket 110 and the mounting portion 131 is formed so that the lower one side of the cross member 120 is seated and mounted to an upper side thereof. It is formed by the letter "b" according to the shape of the lower side of the cross member 120 is mounted to one side and the lower side of the cross member 120 to correspond to the load in the vertical direction.

장착부(131) 하단의 결합부(130a)에도 힌지홀(134)이 형성되어 쇽업쇼바(140)의 힌지결합이 용이하도록 하였다.A hinge hole 134 is also formed in the coupling portion 130a at the bottom of the mounting portion 131 to facilitate hinge coupling of the shock absorber 140.

한편, 상술한 바와 같이 나란히 2열로 배치된 제 1, 2브라켓(110)(130)의 각결합부(110a)(130a)의 내측으로 쇽업쇼바(140)의 하단(141)과 상단(142)이 배치되어 각 결합부(110a)(130a)에 형성된 힌지홀(114)(134)과 동심(同心)하도록 배치된다.On the other hand, as described above, the lower end 141 and the upper end 142 of the shock absorber 140 to the inner side of the engaging portion (110a, 130a) of the first and second brackets (110, 130) arranged in two rows side by side. This arrangement is arranged so as to be concentric with the hinge holes 114 and 134 formed in the respective engaging portions 110a and 130a.

이와 같이, 동심하도록 배치된 제 1, 2브라켓(110)(130)의 힌지홀(111)(131)과 쇽업쇼바(140)의 하단(141)과 상단(142)을 힌지볼트(20)가 관통하여 힌지결합되는 것이고, 이 힌지볼트(20)의 일단에는 통상의 체결수단인 너트(21)가 배치되어 힌지볼트(20)의 이탈을 방지하도록 하였다.As such, the hinge bolts 20 of the hinge holes 111 and 131 of the first and second brackets 110 and 130 and the lower end 141 and the upper end 142 of the shock absorber 140 are arranged concentrically. It is hinged to penetrate through, one end of the hinge bolt 20 is a nut 21, which is a normal fastening means is arranged to prevent the departure of the hinge bolt (20).

이와 같은 구성으로 이루어진 본 고안에 따른 보조완충장치(100)는 액슬축(12)과 크로스멤버(120)에 하단(141)과 상단(142)이 힌지결합된 쇽업쇼바(140)에 의해 트레일러(1) 주행중의 하중을 1차적으로 먼저 완충하고, 2차로의 큰 하중은 판스프링(13)에 전달되도록 하므로서, 비포장도로를 주행하더라도 진동과 소음을 대폭 줄임과 동시에 운전자가 안락한 운전분위기에서 운전할 수 있도록 하였다.Auxiliary shock absorber 100 according to the present invention made of such a configuration is the trailer (b) by the shock absorber 140 hinged to the lower end 141 and the upper end 142 on the axle shaft 12 and the cross member 120 ( 1) First, the driving load is buffered first, and the second large load is transmitted to the leaf spring 13 so that even when driving on a dirt road, vibration and noise can be greatly reduced and the driver can operate in a comfortable driving atmosphere. It was made.

본 고안은 상술한 일실시예에 한정되지 아니하며 본 고안이 속하는 기술분야에서 통상의 지식을 가진자라면 누구든지 용이하게 변형실시가 가능한 것은 물론이고, 그와 같은 변형실시는 본 고안 청구항의 기재범위내에 있게된다.The present invention is not limited to the above-described embodiment, and any person having ordinary skill in the art to which the present invention pertains can easily perform the modification, and such modifications are the scope of the claims of the present invention. Will be inside.

이상에서 상세히 설명한 바와 같이, 본 고안에 따른 보조완충장치를 갖춘 트레일러의 현가장치에 의하면, 트레일러에 화물이 적재되지 않은 공차상태로 비포장도로를 주행하여도 소음과 진동을 최소화함과 동시에 충격을 최소화하여 운전자가쾌적한 상태에서 운전할 수 있도록 한 효과가 있다.As described in detail above, according to the suspension device of the trailer equipped with a secondary shock absorber according to the present invention, even when traveling on a dirt road in the tolerance state that the cargo is not loaded on the trailer to minimize the noise and vibration while minimizing the impact Thus, the driver can drive in a comfortable state.

또한, 판스프링과 메인프레임 사이에 1차로 충격을 흡수하는 장치를 배치하여 판 스프링과 스프링행거가 접촉하며 발생하는 충격을 최소화함으로써, 판 스프링의 수명을 길게한 효과가 있다.In addition, by arranging the primary shock absorbing device between the leaf spring and the main frame to minimize the impact caused by the contact between the leaf spring and the spring hanger, there is an effect of extending the life of the leaf spring.

또한, 액슬축과 메인프레임 사이에 배치된 완충장치에 의해 에어 서스펜션에 가까운 완충효과를 갖는 현가장치를 널리 공급한 효과가 있다.In addition, the shock absorber disposed between the axle shaft and the main frame has an effect of widely supplying a suspension device having a shock absorbing effect close to the air suspension.

Claims (2)

트레일러 후방 하측 횡방향으로 적어도 한개소 이상 배치되며 양단에 타이어가 배치된 액슬축과, 상기 액슬축의 상부양측에 배치되고, 양단은 메인프레임의 하부 양측에 배치된 행거에 지지되어 트레일러의 도로 주행중 충격을 완화하는 판 스프링이 배치된 트레일러 현가장치에 있어서,The axle shaft disposed at least one or more locations in the transverse direction at the rear of the trailer is disposed at both ends of the axle shaft, and is disposed on both upper sides of the axle shaft, and both ends are supported by a hanger disposed at both sides of the lower side of the main frame, thereby impacting the trailer while driving. In the trailer suspension with a leaf spring is arranged, 상기 트레일러 현가장치는 상기 액슬축의 일측에 수직 2열로 나란히 장착되며 중간부위에 상기 액슬축의 일측이 삽입되도록 호형요홈으로 축지지부가 형성된 제 1브라켓과;The trailer suspension device includes: a first bracket mounted side by side in two vertical rows on one side of the axle shaft and having a shaft support portion formed by an arc-shaped groove so that one side of the axle shaft is inserted in the middle portion; 상기 제 1브라켓의 상부에 배치되며 상기 액슬축과 나란하도록 상기 메인프레임의 내측에 양단이 장착된 크로스멤버와;A cross member disposed above the first bracket and mounted at both ends of the main frame to be parallel to the axle shaft; 상기 크로스멤버의 하부양측에 상기 제 1브라켓과 대향하도록 수직 2열로 장착되며 상부일측으로 크로스멤버의 하부일측이 안착되도록 장착부가 마련된 제 2브라켓과;A second bracket mounted on two lower sides of the cross member so as to face the first bracket, and a mounting bracket provided on the upper side to mount the lower one side of the cross member; 상기 제 1, 2브라켓의 각 결합부에 형성된 힌지홀을 관통하는 힌지볼트에 의해 힌지결합되어 상기 트레일러의 도로주행중 진동을 1차로 흡수하는 쇽업쇼바로 이루어진 보조완충장치를 포함하는 것을 특징으로 하는 보조완충장치를 갖춘 트레일러의 현가장치.Auxiliary shock absorbing device comprising a secondary shock absorbing device comprising a shock absorber which is hinged by a hinge bolt penetrating through a hinge hole formed in each coupling portion of the first and second brackets to absorb vibrations during road driving of the trailer. Suspension of trailer with shock absorber. 제 1항에 있어서,The method of claim 1, 상기 제 1, 2브라켓은 내부일측에 장착된 보강부재를 더 포함하는 것을 특징으로 하는 보조완충장치를 갖춘 트레일러의 현가장치.The first and second brackets are suspension devices of a trailer with an auxiliary buffer device, characterized in that it further comprises a reinforcing member mounted on one side.
KR20-2002-0032364U 2002-10-30 2002-10-30 Asistance buffer equipment have a suspension system of trailer KR200300862Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102323559B1 (en) * 2020-08-10 2021-11-09 (주)카츠코리아 Suspension for boat trailer with shock absorbing structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102323559B1 (en) * 2020-08-10 2021-11-09 (주)카츠코리아 Suspension for boat trailer with shock absorbing structure

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