KR20130000804U - Wrecker with auxiliary wheel - Google Patents

Wrecker with auxiliary wheel Download PDF

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Publication number
KR20130000804U
KR20130000804U KR2020110006761U KR20110006761U KR20130000804U KR 20130000804 U KR20130000804 U KR 20130000804U KR 2020110006761 U KR2020110006761 U KR 2020110006761U KR 20110006761 U KR20110006761 U KR 20110006761U KR 20130000804 U KR20130000804 U KR 20130000804U
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vehicle
wheel
boom
tow
auxiliary wheel
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KR2020110006761U
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Korean (ko)
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KR200470711Y1 (en
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안희정
이승권
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안희정
이승권
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/12—Vehicles adapted to transport, to carry or to comprise special loads or objects for salvaging damaged vehicles
    • B60P3/125—Vehicles adapted to transport, to carry or to comprise special loads or objects for salvaging damaged vehicles by supporting only part of the vehicle, e.g. front- or rear-axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D53/00—Tractor-trailer combinations; Road trains
    • B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
    • B62D53/08—Fifth wheel traction couplings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
    • B62D61/12—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with variable number of ground engaging wheels, e.g. with some wheels arranged higher than others, or with retractable wheels

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

본 고안은 보조바퀴가 장착된 견인차에 관한 것이다.
본 고안에 따른 보조바퀴가 장착된 견인차는 견인차량의 차체프레임에 선회가능하게 힌지결합되는 견인실린더와, 상기 견인실린더의 일단에 선회가능하게 힌지결합되는 붐 및, 상기 붐의 선단에 신장가능하게 구비되고 피견인차량의 전륜을 지지하는 전륜지지기구를 구비한 언더리프트를 포함하고, 상기 붐의 외측에 장착된 승강동력부; 상기 승강동력부에 연결되어 승강작동시 선회되면서 승강되는 휠샤프트; 상기 휠샤프트에 장착된 보조휠을 포함하여 구성된다.
본 고안에 따르면 견인시 차체의 후방에 집중되는 하중을 보조휠에 의해 분산시켜 지지함으로써 정확한 제동력의 저하를 방지할 수 있고, 차체의 변형을 방지할 수 있는 효과가 있다. The present invention relates to a tow vehicle equipped with an auxiliary wheel.
A towing vehicle equipped with an auxiliary wheel according to the present invention includes a tow cylinder pivotally hinged to a body frame of a tow vehicle, a boom pivotally hinged to one end of the tow cylinder, and extendable to an end of the boom. A lifting power unit including an underlift provided with a front wheel support mechanism for supporting the front wheels of a towed vehicle; A wheel shaft which is connected to the lifting power unit and is lifted while turning in a lifting operation; It is configured to include an auxiliary wheel mounted to the wheel shaft.
According to the present invention, by distributing and supporting the load concentrated in the rear of the vehicle body by the auxiliary wheel during towing, it is possible to prevent the lowering of accurate braking force and to prevent the deformation of the vehicle body.

Description

보조바퀴가 장착된 견인차{WRECKER WITH AUXILIARY WHEEL}Tow truck with auxiliary wheels {WRECKER WITH AUXILIARY WHEEL}

본 고안은 보조바퀴가 장착된 견인차에 관한 것으로, 더욱 상세하게는 붐 부분에 보조바퀴를 설치함으로써 차량 견인시 하중을 분산시켜 앞바퀴 들림현상과 차량 프레임 변형 현상을 해결할 수 있도록 한 것보조바퀴가 장착된 견인차에 관한 것이다.
The present invention relates to a tow vehicle equipped with an auxiliary wheel, and more particularly, by installing an auxiliary wheel in a boom portion to distribute a load when the vehicle is towed to solve the phenomenon of lifting the front wheel and deformation of the vehicle frame. It is about a tow truck.

일반적으로 견인차량(wrecker truck)은 사고차량과 같이 자체주행이 어려운 피견인차량을 견인하거나, 주차위반 차량을 견인하여 이동시키는 특수차량으로, 피견인차량의 바닥면을 들어 올려 견인하는 장치나 피견인차량의 전방부를 들어 올려 견인하는 장치를 구비하고 있다.In general, a wrecker truck is a special vehicle for towing a tow vehicle that is difficult to drive itself, such as an accident vehicle, or towing and moving a parked vehicle.A tow truck is a device for towing by lifting the bottom of the tow vehicle. A device for lifting and pulling the front part is provided.

도 1에 도시된 바와 같이, 견인차량에서 피견인차량의 앞바퀴를 지지하여 견인하는 전륜 리프팅장치는 견인차량의 차체프레임(P)에 선회가능하게 힌지결합되는 견인실린더(C)와, 상기 견인실린더(C)의 일단에 선회가능하게 힌지결합되는 붐(B) 및, 상기 붐(B)의 선단에 신장가능하게 구비되고 피견인차량의 전륜을 지지하는 전륜지지기구를 구비한 언더리프트(150)로 구성되어 있다.As shown in Figure 1, the front wheel lifting device for supporting the front wheel of the towing vehicle in the towing vehicle tow is a tow cylinder (C) pivotally hinged to the body frame (P) of the tow vehicle, and the towing cylinder ( And a boom B pivotally hinged to one end of C), and an underlift 150 provided with a front wheel support mechanism that is extendably provided at the tip of the boom B and supports the front wheels of the towed vehicle. It is.

따라서 견인할때는 언더리프트를 차체 하부에 넣고 전륜지지기구를 전륜에 장착시킨 후 견인실린더 및 붐의 길이를 조절하여 피견인차량의 앞바퀴가 지면으로부터 이격되도록 들어올린 상태로 견인하게 된다.Therefore, when towing, the underlift is placed in the lower part of the vehicle body, and the front wheel support mechanism is mounted on the front wheel, and then the tow cylinder and the boom are adjusted so that the front wheel of the tow vehicle is lifted to be spaced apart from the ground.

한편 대한민국 공개특허 공개번호 특1998-045106호에는 「차량 견인용 보조바퀴」가 개시되어 있다.Meanwhile, Korean Unexamined Patent Publication No. 1998-045106 discloses an auxiliary wheel for towing a vehicle.

상기 선행기술은 차량 견인시 리어 범퍼 또는 차량의 리어 부분을 보호하기 위한 차량 견인용 보조바퀴에 관한 것으로서, 차량의 리어측에 통상의 바퀴보다는 직경이 작은 바퀴가 구비된 보조 바퀴 장치를 장착한 것을 특징으로 하고 있다The prior art relates to an auxiliary wheel for towing a vehicle for protecting a rear bumper or a rear portion of a vehicle when towing a vehicle, wherein an auxiliary wheel device having a wheel having a smaller diameter than a normal wheel is mounted on the rear side of the vehicle. I am characterized

그러나 종래 견인차량은 피견인차량의 무게로 인해 견인차의 후방에 하중이 집중됨으로써 견인차량의 전방이 들리게 되므로, 전륜이 지면으로부터 이격되어 제동력이 제대로 발휘되지 못하게 되고, 이로 인해 제동거리가 길어지게 되므로 사고의 위험이 증가되는 문제점이 있었다.However, in the conventional tow vehicle, the weight of the tow vehicle concentrates the load on the rear of the tow vehicle, so that the front of the tow vehicle can be heard. Therefore, the front wheel is separated from the ground, and the braking force is not properly exerted, which causes the braking distance to be long. There was a problem that the risk of increased.

또한 하중이 불균형한 상태로 장기간 주행하다보면 차체의 변형이 유발되는 문제점이 있었다.
In addition, there is a problem that the deformation of the vehicle body is caused when running for a long time under an unbalanced load.

본 고안은 상기한 종래 기술의 문제점을 해소하기 위해 안출된 것으로, 견인시 차체의 후방에 집중되는 하중을 지지하여 분산시킴으로써 정확한 제동력이 발휘될 수 있도록 보조바퀴가 장착된 견인차를 제공하는데 그 목적이 있다.
The present invention has been made to solve the above problems of the prior art, to provide a towing vehicle equipped with an auxiliary wheel so that the correct braking force can be exerted by supporting and distributing the load concentrated on the rear of the vehicle body during towing. have.

상기한 본 고안의 목적은, 견인차량의 차체프레임에 선회가능하게 힌지결합되는 견인실린더와, 상기 견인실린더의 일단에 선회가능하게 힌지결합되는 붐 및, 상기 붐의 선단에 신장가능하게 구비되고 피견인차량의 전륜을 지지하는 전륜지지기구를 구비한 언더리프트를 포함하고, 상기 붐의 외측에 장착된 승강동력부; 상기 승강동력부에 연결되어 승강작동시 선회되면서 승강되는 휠샤프트; 상기 휠샤프트에 장착된 보조휠을 포함하는 것을 특징으로 하는 보조바퀴가 장착된 견인차에 의해 달성될 수 있다.The object of the present invention is a towing cylinder pivotally hinged to the towing vehicle body frame, a boom pivotally hinged to one end of the towing cylinder, and extendable and towed at the tip of the boom An elevating power unit including an underlift having a front wheel support mechanism for supporting an amount of front wheels; A wheel shaft which is connected to the lifting power unit and is lifted while turning in a lifting operation; It can be achieved by a towing vehicle equipped with an auxiliary wheel, characterized in that it comprises an auxiliary wheel mounted to the wheel shaft.

상기 승강동력부는 상기 붐의 외측에 장착된 브라켓; 상기 브라켓에 장착되어 유압 또는 공압에 의해 신축되는 팽창부재; 상기 팽창부재의 하단에 형성되어 상기 휠샤프트에 연결되는 연결대를 포함하는 것을 특징으로 한다.The lifting power unit is a bracket mounted on the outside of the boom; An expansion member mounted to the bracket to expand and contract by hydraulic or pneumatic pressure; It is formed on the bottom of the expansion member characterized in that it comprises a connecting rod connected to the wheel shaft.

상기 휠샤프트는 일단부가 차체에 회전가능하게 결합되고, 차체에 장착된 판스프링에 탄력적으로 지지되어 상방으로 회전되려는 힘이 작용되도록 설치된 것을 특징으로 한다.
One end of the wheel shaft is rotatably coupled to the vehicle body, and is elastically supported by a leaf spring mounted on the vehicle body so that a force to be rotated upward is applied.

본 고안에 따르면 견인시 차체의 후방에 집중되는 하중을 보조휠에 의해 분산시켜 지지함으로써 정확한 제동력의 저하를 방지할 수 있고, 차체의 변형을 방지할 수 있는 효과가 있다.
According to the present invention, by distributing and supporting the load concentrated in the rear of the vehicle body by the auxiliary wheel during towing, it is possible to prevent the lowering of accurate braking force and to prevent the deformation of the vehicle body.

도 1은 종래 기술에 따른 견인차를 나타낸 도면,
도 2는 본 고안에 따른 보조바퀴가 장착된 견인차를 후방에서 바라본 정면도,
도 3 및 도 4는 본 고안에 따른 보조바퀴가 장착된 견인차의 작동을 나타낸 도면.1 is a view showing a tow vehicle according to the prior art,
Figure 2 is a front view as viewed from the rear of the tow truck equipped with auxiliary wheels according to the present invention,
3 and 4 is a view showing the operation of the towing vehicle equipped with auxiliary wheels according to the present invention.

이하 본 고안의 바람직한 실시예를 첨부된 도면을 토대로 상세하게 설명하면 다음과 같다.Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 고안에 따른 보조바퀴가 장착된 견인차를 후방에서 바라본 정면도, 도 3 및 도 4는 본 고안에 따른 보조바퀴가 장착된 견인차의 작동을 나타낸 도면이다.
Figure 2 is a front view of the tow vehicle equipped with the auxiliary wheel according to the present invention from the rear, Figures 3 and 4 is a view showing the operation of the tow vehicle equipped with the auxiliary wheel according to the present invention.

도 2 내지 도 4에 도시된 바와 같이, 본 고안에 따른 보조바퀴가 장착된 견인차는, 견인차량의 차체프레임에 선회가능하게 힌지결합되는 실린더(1)와, 상기 견인실린더(1)의 일단에 선회가능하게 힌지결합되는 붐(2) 및 상기 붐(2)의 선단에 신장가능하게 구비되고 피견인차량의 전륜을 지지하는 전륜지지기구를 구비한 언더리프트(3)를 포함하여 구성된다.
As shown in Figures 2 to 4, the towing vehicle equipped with the auxiliary wheel according to the present invention, the cylinder (1) pivotally hinged to the body frame of the towing vehicle, and one end of the towing cylinder (1) And an underlift (3) having a boom (2) pivotally hinged and a front wheel support mechanism provided on the front end of the boom (2) and supporting a front wheel of a towed vehicle.

또한 상기 붐(2)에 장착된 승강동력부(4)의 승강작동에 의해 승강됨으로써 지면과 이격되거나 또는 접촉되며, 지면과 접촉시 견인차량의 후방에 집중되는 하중을 분산시킬 수 있는 보조휠(6)을 포함하는 보조지지수단이 장착된다.
In addition, by the lifting operation of the lifting power unit (4) mounted on the boom (2) by lifting up and away from the ground or contact, the auxiliary wheel that can disperse the load concentrated on the rear of the tow vehicle (in contact with the ground) Auxiliary support means including 6) is mounted.

상기 보조지지수단은 상기 붐(2)의 외측에 장착된 승강동력부(4); 상기 승강동력부(4)에 연결되어 승강작동시 선회되면서 승강되는 휠샤프트(62); 상기 휠샤프트(62)에 장착된 보조휠(6)로 구성된다.
The auxiliary supporting means is a lifting power unit (4) mounted on the outside of the boom (2); A wheel shaft 62 which is connected to the lifting power unit 4 and is lifted while being turned during the lifting operation; It consists of an auxiliary wheel (6) mounted on the wheel shaft (62).

상기 승강동력부(4)는 상기 붐(2)의 외측에 장착된 브라켓(41); 상기 브라켓(41)에 장착되어 유압 또는 공압에 의해 신축되는 팽창부재(42); 상기 팽창부재(42)의 하단에 형성되어 상기 휠샤프트(62)에 연결되는 연결대(43)로 구성된다.
The lifting power unit 4 is a bracket 41 mounted to the outside of the boom (2); An expansion member (42) mounted to the bracket (41) to expand and contract by hydraulic or pneumatic pressure; Is formed on the lower end of the expansion member 42 is composed of a connecting rod 43 connected to the wheel shaft 62.

상기 붐(2)은 대략 단면이 사각형인 하우징(21)과, 상기 하우징(21)의 내부에 결합되어 슬라이딩되면서 길이가 조절되는 붐대(22)로 구성되는데, 상기 브라켓(41)은 하우징(21)의 외측에 부착되며, 팽창부재(42)의 상단이 장착되며 유압 또는 공압을 공급하기 위한 공급관(미도시)이 연결된다.The boom 2 is composed of a housing 21 having a rectangular cross section and a boom 22 that is adjusted in length while slidingly coupled to the inside of the housing 21, and the bracket 41 has a housing 21. Attached to the outside of the), the upper end of the expansion member 42 is mounted and a supply pipe (not shown) for supplying hydraulic or pneumatic pressure is connected.

상기 팽창부재(42)는 신축성과 인장성 및 내구성을 갖는 고무 또는 연질의 합성수지 소재이며, 수축된 상태는 2단으로 적층된 도우넛 형상이지만 유압 또는 공압이 공급되어 팽창되면 원통형으로 늘어가면서 체적이 변화된다.The expansion member 42 is a rubber or soft synthetic resin material having elasticity, tensile strength, and durability, and the contracted state is a donut shape stacked in two stages, but the volume is changed in a cylindrical shape when the hydraulic or pneumatic pressure is supplied and expanded. do.

상기 연결대(43)는 상단이 팽창부재(42)의 하단에 장착되고, 하단에는 휠샤프트(62)에 장착된 체결브라켓(49)과 힌지핀(433)으로 축 결합되어 있어, 휠샤프트(62)가 하방으로 회전되면서 하강될때 선회반경의 변화에 따른 연결대(43)의 하부가 경사진 상태가 되더라도 이를 수용할 수 있도록 한다. The connecting rod 43 has an upper end mounted on a lower end of the expansion member 42, and a lower end thereof is axially coupled with a fastening bracket 49 and a hinge pin 433 mounted on the wheel shaft 62, and the wheel shaft 62. The lower part of the connecting rod 43 according to the change of the turning radius when the lower part is rotated downward so as to accommodate it.

상기 휠샤프트(62)는 직선형 보다는 'ㄴ'자 형상이 바람직하며, 일단부는 차체에 회전가능하게 결합되고, 타단부에는 보조휠(6)이 장착된다.The wheel shaft 62 is preferably a 'b' shape than a straight type, one end is rotatably coupled to the vehicle body, the other end is equipped with an auxiliary wheel (6).

그리고 휠샤프트(62)는 차체에 장착된 판스프링(64)에 탄력적으로 지지되어 상방으로 회전되려는 힘이 작용되도록 설치된다. And the wheel shaft 62 is elastically supported by the leaf spring 64 mounted on the vehicle body is installed so that the force to be rotated upward.

상기 판스프링(64)이 지지되는 부위는 휠샤프트(62)의 꺽인 부위가 적당하며, 이렇게 판스프링(64)이 탄력적으로 지지됨으로써 휠샤프트(62) 및 그에 장착된 보조휠(6)은 항상 상방으로 올라간 상태로 유지될 수 있다.The portion where the leaf spring 64 is supported is preferably a bent portion of the wheel shaft 62. As the leaf spring 64 is elastically supported, the wheel shaft 62 and the auxiliary wheel 6 mounted thereon are always supported. It can be kept upward.

즉, 팽창부재(42)가 팽창되어 강제로 휠샤프트(62)를 하강시키지 않는다면 항상 휠샤프트(62) 및 보조휠(6)은 상승된 상태가 되어 지면과 이격된 상태로 유지될 수 있으며, 이 판스프링(64)에 의해 주행중 불시에 휠샤프트(62)가 하강되는 폐단을 방지할 수 있는 안전장치로서의 역할도 하게 된다.
That is, unless the expansion member 42 is expanded to forcibly lower the wheel shaft 62, the wheel shaft 62 and the auxiliary wheel 6 may be in an elevated state and may be kept spaced apart from the ground. The leaf spring 64 also serves as a safety device that can prevent the closed end of the wheel shaft 62 from being lowered accidentally while driving.

이와 같이 구성된 본 고안의 작용에 대해 설명하면 다음과 같다.Hereinafter, the operation of the present invention will be described.

평상시에는 실린더(1)가 수축되어 붐(2)과 전륜지지기구(3)는 접힌 상태로 화물칸에 탑재된다.Normally, the cylinder 1 is contracted and the boom 2 and the front wheel support mechanism 3 are mounted in the cargo compartment in a folded state.

견인작업을 할때는 먼저 실린더(1)를 신장시켜 붐(2)과 전륜지지기구(3)를 내린 후 피견인차량의 앞바퀴에 전륜지지기구(3)를 장착한 다음 실린더(1)와 붐(2)의 길이를 적절하게 조절하여 피견인차량의 앞바퀴가 상방으로 들리도록 한다.When towing, first extend the cylinder (1), lower the boom (2) and the front wheel support mechanism (3), and then install the front wheel support mechanism (3) on the front wheel of the towed vehicle, and then the cylinder (1) and the boom (2). Adjust the length of the vehicle properly so that the front wheel of the towed vehicle is lifted upwards.

이후 승강동력부(4)를 작동시켜 보조휠(6)이 지면에 닿도록 하여 견인차량의 후미에 집중되는 하중이 분담되도록 한다.Thereafter, the lifting power unit 4 is operated so that the auxiliary wheel 6 contacts the ground so that the load concentrated on the rear of the towing vehicle is shared.

따라서 종래 피견인차량을 견인차량의 후미에 연결했을때 후방에 집중되는 하중으로 인해 견인차량의 앞바퀴가 상방으로 들림으로써 지면 접지력이 저하되어 제동시 제동거리가 길어지게 되는 문제점이 발생되었으나 본 고안에 의하면 보조휠(6)이 후방에 집중되는 하중을 분산시킬 수 있어 견인차량의 앞바퀴의 접지력이 향상될 수 있어 제동력 저하를 방지할 수 있게 된다.Therefore, when the conventional tow vehicle is connected to the rear of the tow vehicle, the front wheel of the tow vehicle is lifted upward due to the load concentrated in the rear, resulting in a problem that the grounding force is lowered and the braking distance is increased during braking. Since the wheel 6 can distribute the load concentrated on the rear, the traction of the front wheel of the towing vehicle can be improved, thereby preventing the braking force from being lowered.

즉 보조휠(6)의 설치 위치를 붐(2)에 설정함으로써 견인차량과 피견인차량의 무게 중심에 근접되는 위치에 설치시켜 견인차량의 후방에 과다하게 하중이 집중되지 않도록 하였다.That is, by setting the installation position of the auxiliary wheel (6) to the boom (2) it was installed in a position close to the center of gravity of the tow vehicle and the tow vehicle, so that the load is not excessively concentrated in the rear of the tow vehicle.

따라서 하중이 분산될 수 있어 앞바퀴가 들리면서 제동력이 저하되는 폐단이 해소될 수 있어 제동력이 정확하게 유지될 수 있으며, 아울러 차체의 변형을 방지할 수 있게 된다.
Therefore, the load can be distributed, so that the closed end of the braking force is reduced while the front wheel is lifted, so that the braking force can be maintained accurately, and the deformation of the vehicle body can be prevented.

비록 본 고안이 상기 언급된 바람직한 실시예와 관련하여 설명되어졌지만, 고안의 요지와 범위로부터 벗어남이 없이 다양한 수정 및 변형이 가능한 것은 당업자라면 용이하게 인식할 수 있을 것이며, 이러한 변경 및 수정은 모두 첨부된 청구의 범위에 속함은 자명하다.
Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be readily apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, all such changes and modifications being attached It is obvious that the claims belong to the claims.

1 : 실린더 2 : 붐
3 ; 전륜지지기구 4 : 승강동력부
6 : 보조휠 42 : 팽창부재
43 : 연결대 62 : 휠샤프트
64 : 판스프링 1: cylinder 2: boom
3; Front wheel support mechanism 4: lifting power unit
6: auxiliary wheel 42: expansion member
43: connecting rod 62: wheel shaft
64: leaf spring

Claims (3)

견인차량의 차체프레임에 선회가능하게 힌지결합되는 견인실린더와,
상기 견인실린더의 일단에 선회가능하게 힌지결합되는 붐 및,
상기 붐의 선단에 신장가능하게 구비되고 피견인차량의 전륜을 지지하는 전륜지지기구를 구비한 언더리프트를 포함하고,
상기 붐의 외측에 장착된 승강동력부;
상기 승강동력부에 연결되어 승강작동시 선회되면서 승강되는 휠샤프트;
상기 휠샤프트에 장착된 보조휠
을 포함하는 것을 특징으로 하는 보조바퀴가 장착된 견인차.A tow cylinder pivotally hinged to the body frame of the tow vehicle,
A boom pivotally hinged to one end of the traction cylinder,
An underlift provided at a distal end of the boom and having a front wheel support mechanism for supporting a front wheel of a towing vehicle,
Lifting power unit mounted on the outside of the boom;
A wheel shaft which is connected to the lifting power unit and is lifted while turning in a lifting operation;
Auxiliary wheel mounted on the wheel shaft
Tow truck equipped with auxiliary wheels comprising a. 제 1항에 있어서,
상기 승강동력부는
상기 붐의 외측에 장착된 브라켓;
상기 브라켓에 장착되어 유압 또는 공압에 의해 신축되는 팽창부재;
상기 팽창부재의 하단에 형성되어 상기 휠샤프트에 연결되는 연결대;
를 포함하는 것을 특징으로 하는 보조바퀴가 장착된 견인차.The method of claim 1,
The lifting power unit
A bracket mounted to the outside of the boom;
An expansion member mounted to the bracket to expand and contract by hydraulic or pneumatic pressure;
A connecting rod formed at a lower end of the expansion member and connected to the wheel shaft;
Tow truck equipped with auxiliary wheels comprising a. 제 1항에 있어서,
상기 휠샤프트는 일단부가 차체에 회전가능하게 결합되고, 차체에 장착된 판스프링에 지지되도록 설치된 것을 특징으로 하는 보조바퀴가 장착된 견인차.



The method of claim 1,
One end of the wheel shaft is rotatably coupled to the vehicle body, the towing vehicle equipped with an auxiliary wheel, characterized in that installed to be supported by a leaf spring mounted on the vehicle body.



KR2020110006761U 2011-07-25 2011-07-25 Wrecker with auxiliary wheel KR200470711Y1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107444237A (en) * 2017-07-13 2017-12-08 北京格尼国际科技开发有限公司 A kind of breakdown trailer with auxiliary wheel
CN109050744A (en) * 2018-09-18 2018-12-21 重庆柯驰机械有限责任公司 It is a kind of can prevent with auxiliary wheel after turn over the tricycle stuck up

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002096678A (en) * 2000-06-20 2002-04-02 Shimauchi Jidosha Tokki Seisakusho:Kk Increased wheels horizontally holding device for vehicle
KR20030046825A (en) * 2001-12-06 2003-06-18 최병오 Traction device of traction truck

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107444237A (en) * 2017-07-13 2017-12-08 北京格尼国际科技开发有限公司 A kind of breakdown trailer with auxiliary wheel
CN109050744A (en) * 2018-09-18 2018-12-21 重庆柯驰机械有限责任公司 It is a kind of can prevent with auxiliary wheel after turn over the tricycle stuck up

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