KR20210083533A - Bumper for automated guide vehicle - Google Patents

Bumper for automated guide vehicle Download PDF

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Publication number
KR20210083533A
KR20210083533A KR1020190175894A KR20190175894A KR20210083533A KR 20210083533 A KR20210083533 A KR 20210083533A KR 1020190175894 A KR1020190175894 A KR 1020190175894A KR 20190175894 A KR20190175894 A KR 20190175894A KR 20210083533 A KR20210083533 A KR 20210083533A
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KR
South Korea
Prior art keywords
plate
bumper
base plate
transport vehicle
coupled
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KR1020190175894A
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Korean (ko)
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KR102337734B1 (en
Inventor
박영환
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주식회사 한컴로보틱스
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Priority to KR1020190175894A priority Critical patent/KR102337734B1/en
Publication of KR20210083533A publication Critical patent/KR20210083533A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/24—Arrangements for mounting bumpers on vehicles
    • B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
    • B60R19/28—Metallic springs
    • B60R19/285—Metallic springs comprising only leaf springs, e.g. the mounting means forming part of the guard itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/48—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
    • B60R19/483—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds with obstacle sensors of electric or electronic type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/18—Leaf springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/304—Acceleration sensors
    • B60Y2400/3042—Collision sensors

Abstract

The present invention relates to a bumper for an automatic guide vehicle, mounted on an automatic guide vehicle. In accordance with the present invention, the bumper for an automatic guide vehicle includes: a base plate (10) combined with a vehicle body; a pair of buffers (30) mounted on both sides of the base plate (10) to control a gap (S1) between the base plate (10) and a bumper plate (20), and buffer a shock applied to the bumper plate (20); the bumper plate (20) mounted on a piston (32) of the buffers (30); a pair of sensors (40) mounted on the base plate (10) to sense a shock on the bumper plate (20); and a pair of leaf springs (50) mounted on the base plate (10) to buffer the shock applied to the bumper plate (20) and lead the bumper plate (20) to return to its original position. Therefore, the present invention is capable of eliminating the need for making a change in the internal composition of the vehicle body.

Description

무인반송차량용 범퍼{BUMPER FOR AUTOMATED GUIDE VEHICLE}Bumper for unmanned transport vehicle {BUMPER FOR AUTOMATED GUIDE VEHICLE}

본 발명은 무인반송차량용 범퍼에 관한 것으로서, 보다 상세하게는 차체에 장착되는 베이스 플레이트와 범퍼 플레이트 사이에 한 쌍의 완충기, 감지센서, 판스프링이 각각 배치되는 간단한 구조의 무인반송차량용 범퍼에 관한 것이다.The present invention relates to a bumper for an unmanned transport vehicle, and more particularly, to a bumper for an unmanned transport vehicle having a simple structure in which a pair of shock absorbers, a detection sensor, and a leaf spring are respectively disposed between a base plate mounted on a vehicle body and a bumper plate. .

대한민국 특허 제10-0399147호(2003년 9월 9일, 등록)에 "무인반송차용 범퍼장치"가 소개되어 있다.Korean Patent No. 10-0399147 (registered on September 9, 2003) introduces "a bumper device for an unmanned transport vehicle".

상기 무인반송차용 범퍼장치는 무인반송차의 차체에 결합되는 범퍼지지부재와, 상기 범퍼지지부재의 전방영역에 지지되는 범퍼를 포함하고, 상기 범퍼지지부재에 설치되어 상기 범퍼를 요동 가능하게 지지하며, 상기 범퍼의 전후방향 요동을 완충시키는 전후방요동완충부와, 상기 범퍼의 상하좌우방향 요동을 완충지지하는 사방향요동완충부를 갖는 요동지지수단과; 상기 범퍼의 요동을 감지하는 요동감지센서를 포함한다.The bumper device for an unmanned transport vehicle includes a bumper support member coupled to a vehicle body of the driverless transport vehicle, and a bumper supported on a front region of the bumper support member, and is installed on the bumper support member to oscillate the bumper, a rocking support means having a front-rear shaking buffer for buffering the front-rear motion of the bumper and a four-way shaking buffer for buffering and supporting the up, down, left, and right motions of the bumper; and a shaking sensor for detecting the shaking of the bumper.

그러나, 상기 무인반송차용 범퍼장치는 충격을 완충하고, 범퍼를 원위치로 복귀시키기 위한 구성요소가 많아, 상대적으로 차량에서 범퍼가 점유면적이 크고, 다양한 크기의 무인반송차량의 적절하게 적용하지 못하는 단점이 있다.However, the bumper device for the driverless vehicle has many components for buffering the impact and returning the bumper to its original position, so the bumper occupies a relatively large area in the vehicle, and it is not possible to properly apply the driverless vehicle of various sizes. there is this

따라서, 본 발명의 목적은 차체에 장착되는 베이스 플레이트와 범퍼 플레이트 사이에 한 쌍의 완충기, 감지센서, 판스프링이 각각 배치됨으로써, 구조가 간단하고, 모듈화되어 있어, 무인반송차량에 베이스 플레이트를 장착하는 것으로 범퍼 장착이 완료되며, 범퍼의 구성요소가 차체 안쪽으로 침범하는 것이 없어, 범퍼 장착에 따른 차체의 내부구성을 설계변경하지 않아도 되는 무인반송차량용 범퍼를 제공하는 것이다.Accordingly, an object of the present invention is to provide a simple and modular structure by disposing a pair of shock absorbers, detection sensors, and leaf springs between a base plate and a bumper plate mounted on a vehicle body, respectively, so that the base plate is mounted on an unmanned transport vehicle. It is to provide a bumper for an unmanned transport vehicle that does not need to change the design of the internal configuration of the vehicle body according to the bumper installation, since the bumper installation is completed and the components of the bumper do not invade the inside of the vehicle body.

상기와 같은 목적을 달성하기 위한 본 발명에 따른 무인반송차량용 범퍼는 차체에 결합되는 차체에 결합되는 베이스 플레이트와, 베이스 플레이트의 양 측부에 장착되어, 베이스 플레이트와 범퍼 플레이트 사이의 간격을 조절하고, 범퍼 플레이트에 가해지는 충격을 완충하는 한 쌍의 완충기와, 완충기의 피스톤에 장착되는 범퍼 플레이트와, 베이스 플레이트에 장착되어, 범퍼 플레이트의 충격을 감지하는 한 쌍의 감지센서와, 베이스 플레이트에 장착되어, 범퍼 플레이트에 가해진 충격을 완충하며 범퍼 플레이트가 원위치로 복귀되도록 하는 한 쌍의 판스프링으로 구성되는 것을 특징으로 한다.The bumper for an unmanned transport vehicle according to the present invention for achieving the above object includes a base plate coupled to a vehicle body coupled to the vehicle body, and mounted on both sides of the base plate, to adjust the distance between the base plate and the bumper plate, A pair of shock absorbers that buffer the shock applied to the bumper plate, a bumper plate mounted on the piston of the shock absorber, a pair of detection sensors mounted on the base plate to detect the impact of the bumper plate, and a pair of sensors mounted on the base plate , It is characterized in that it is composed of a pair of leaf springs that cushion the impact applied to the bumper plate and allow the bumper plate to return to its original position.

상기 베이스 플레이트는 디귿자 단면 형상을 가진 우측 피메일 플레이트와, 우측 피메일 플레이트와 일부가 겹치도록 연결되는 좌측 메일 플레이트로 구성되며, 우측 피메일 플레이트의 결합구멍과 좌측 메일 플레이트에 형성된 장공에 핀에 끼워져 고정됨으로써, 우측 피메일 플레이트와 좌측 메일 플레이트의 겹치는 길이에 따라 전체 길이가 조절되는 것을 특징으로 한다.The base plate is composed of a right female plate having a cross-sectional shape of a digwan and a left male plate connected to partially overlap the right female plate, and is attached to a pin in a coupling hole of the right female plate and a long hole formed in the left male plate. By being fitted and fixed, the overall length is adjusted according to the overlapping length of the right female plate and the left male plate.

상기 완충기는 실린더가 베이스 플레이트의 양 측단부에 형성된 구멍에 끼워져 베이스 플레이트와 결합되며, 실린더의 단부가 무인반송차량의 차체에 결합되고, 피스톤의 선단에 범퍼 플레이트가 장착되어, 실린더에 인출되는 피스톤의 길이에 따라 베이스 플레이트와 범퍼 플레이트 사이의 간격이 조절되는 것을 특징으로 한다.In the shock absorber, a cylinder is fitted into the holes formed at both ends of the base plate and is coupled to the base plate, the end of the cylinder is coupled to the vehicle body of the unmanned transport vehicle, a bumper plate is mounted on the tip of the piston, and a piston drawn out into the cylinder It is characterized in that the distance between the base plate and the bumper plate is adjusted according to the length of the.

다른 대안으로, 상기 완충기는 실린더가 베이스 플레이트의 구멍에 끼워져, 플랜지부가 베이스 플레이트와 체결수단에 의해 결합되며, 실린더에 장착된 피스톤에 선단에 제 1 연결판이 장착되고, 제 1 연결판의 반달고리부와 제 2 연결판의 반달고리부가 핀에 의해 결합되고, 제 2 연결판이 범퍼 플레이트에 체결수단에 의해 결합되는 것을 특징으로 한다.Alternatively, in the shock absorber, the cylinder is fitted into the hole of the base plate, the flange portion is coupled to the base plate and the fastening means, the first connecting plate is mounted on the tip of the piston mounted on the cylinder, and the half ring of the first connecting plate It is characterized in that the part and the half ring part of the second connecting plate are coupled by a pin, and the second connecting plate is coupled to the bumper plate by a fastening means.

상기 감지센서는 근접센서이고, 베이스 플레이트에서 완충기보다 안쪽에 배치되고, 범퍼 플레이트에 충격이 가해져 범퍼 플레이트가 베이스 플레이트 쪽으로 접근하게 되면, 이를 감지하여 신호를 무인반송차량의 구동 제어부로 전송하는 것을 특징으로 한다.The detection sensor is a proximity sensor, is disposed inside the shock absorber in the base plate, and when an impact is applied to the bumper plate and the bumper plate approaches the base plate, it detects this and transmits a signal to the driving control unit of the unmanned transport vehicle. do it with

상기 판스프링은 베이스 플레이트에서 감지센서보다 안쪽에 연결판부가 장착되고, 연결판부에서 연장되는 원호부의 선단이 범퍼 플레이트에 밀착되는 것을 특징으로 한다.The plate spring is characterized in that the connection plate part is mounted on the inner side of the detection sensor in the base plate, and the tip of the arc part extending from the connection plate part is in close contact with the bumper plate.

이것에 의해, 본 발명에 따른 무인반송차량용 범퍼는 구조가 간단하고, 모듈화되어 있어, 무인반송차량에 베이스 플레이트를 장착하는 것으로 범퍼 장착이 완료되며, 범퍼의 구성요소가 차체 안쪽으로 침범하는 것이 없어, 범퍼 장착에 따른 차체의 내부구성을 설계변경하지 않아도 되는 효과가 있다.Accordingly, the bumper for an unmanned transport vehicle according to the present invention has a simple structure and is modularized, so that the bumper mounting is completed by mounting the base plate on the unmanned transport vehicle, and there is no intrusion of the components of the bumper into the inside of the vehicle body , there is an effect that it is not necessary to change the design of the internal configuration of the body according to the bumper mounting.

도 1은 본 발명에 따른 무인반송차량용 범퍼를 도시한 사시도
도 2 및 도 3은 본 발명에 따른 무인반송차량용 범퍼를 도시한 분해 사시도
도 4는 베이스 플레이트의 다른 예를 도시한 사시도
도 5는 완충기의 다른 구조를 도시한 분해 사시도
도 6은 본 발명에 따른 무인반송차량에 범퍼가 장착된 상태를 도시한 사시도1 is a perspective view showing a bumper for an unmanned transport vehicle according to the present invention;
2 and 3 are exploded perspective views showing a bumper for an unmanned transport vehicle according to the present invention;
4 is a perspective view showing another example of the base plate;
5 is an exploded perspective view showing another structure of the shock absorber;
6 is a perspective view illustrating a state in which a bumper is mounted on an unmanned transport vehicle according to the present invention;

이하, 본 발명의 바람직한 실시예를 도면을 참조하여 상세하게 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

도 1 내지 도 3을 참조하면, 본 발명에 따른 무인반송차량용 범퍼는 차체에 결합되는 차체에 결합되는 베이스 플레이트(10)와, 베이스 플레이트(10)의 양 측부에 장착되어, 베이스 플레이트(10)와 범퍼 플레이트(20) 사이의 간격(S1)을 조절하고, 범퍼 플레이트(20)에 가해지는 충격을 완충하는 한 쌍의 완충기(30)와, 완충기(30)의 피스톤(32)에 장착되는 범퍼 플레이트(20)와, 베이스 플레이트(10)에 장착되어, 범퍼 플레이트(20)의 충격을 감지하는 한 쌍의 감지센서(40)와, 베이스 플레이트(10)에 장착되어, 범퍼 플레이트(20)에 가해진 충격을 완충하며 범퍼 플레이트(20)가 원위치로 복귀되도록 하는 한 쌍의 판스프링(50)으로 구성된다.1 to 3 , the bumper for an unmanned transport vehicle according to the present invention includes a base plate 10 coupled to the vehicle body coupled to the vehicle body, and mounted on both sides of the base plate 10 , the base plate 10 . A pair of shock absorbers 30 that adjust the distance S1 between the shock absorber and the bumper plate 20 and buffer the shock applied to the bumper plate 20, and a bumper mounted on the piston 32 of the shock absorber 30 A pair of detection sensors 40 mounted on the plate 20 and the base plate 10 to detect the impact of the bumper plate 20, and mounted on the base plate 10, are mounted on the bumper plate 20 It is composed of a pair of leaf springs 50 that cushion the applied impact and allow the bumper plate 20 to return to its original position.

도 4를 참조하면, 상기 베이스 플레이트(10)는 디귿자 단면 형상을 가진 우측 피메일 플레이트(15)와, 우측 피메일 플레이트(15)와 일부가 겹치도록 연결되는 좌측 메일 플레이트(16)로 구성되며, 우측 피메일 플레이트(15)의 결합구멍(17)과 좌측 메일 플레이트(15)에 형성된 장공(18)에 핀에 끼워져 고정됨으로써, 우측 피메일 플레이트(15)와 좌측 메일 플레이트(16)의 겹치는 길이(L1)에 따라 전체 길이(L2)가 조절된다.Referring to FIG. 4 , the base plate 10 is composed of a right female plate 15 having a cross-sectional shape and a left male plate 16 connected to partially overlap the right female plate 15, , the right female plate 15 overlaps with the left male plate 16 by being fitted and fixed with a pin in the coupling hole 17 of the right female plate 15 and the long hole 18 formed in the left male plate 15 . The overall length L2 is adjusted according to the length L1.

이것에 의해, 본 발명에 따른 무인반송차량용 범퍼는 제조사 및 사양에 상관없이 모든 무인방송차량에 장착할 수 있으며, 더 나아가, 무인반송차량의 측부에 장착될 경우에도 무인반송차량의 측부 길이에 맞게 적용할 수 있다.Thereby, the bumper for an unmanned transport vehicle according to the present invention can be mounted on any unmanned broadcasting vehicle regardless of the manufacturer and specifications, and furthermore, even when mounted on the side of the unmanned transport vehicle, to fit the length of the side of the unmanned transport vehicle can be applied.

도 3을 참조하면, 상기 완충기(30)는 실린더(31)가 베이스 플레이트(10)의 양 측단부에 형성된 구멍(11)에 끼워져 베이스 플레이트(10)와 결합되며, 실린더(31)의 단부가 무인반송차량의 차체(도시하지 않음)에 결합되고, 피스톤(32)의 선단에 범퍼 플레이트(20)가 장착되어, 실린더(31)에 인출되는 피스톤(32)의 길이에 따라 베이스 플레이트(10)와 범퍼 플레이트(20) 사이의 간격(S1 ; 도 1 참조)이 조절된다.Referring to FIG. 3 , in the shock absorber 30 , the cylinder 31 is fitted with the holes 11 formed at both ends of the base plate 10 to be coupled to the base plate 10 , and the end of the cylinder 31 is The base plate 10 is coupled to the vehicle body (not shown) of the unmanned transport vehicle, and the bumper plate 20 is mounted on the front end of the piston 32 , depending on the length of the piston 32 drawn out from the cylinder 31 . and the gap between the bumper plate 20 (S1 ; see FIG. 1 ) is adjusted.

도 5를 참조하면, 다른 대안으로, 상기 완충기(30)는 실린더(31)가 베이스 플레이트(10)의 구멍(11)에 끼워져, 플랜지부(31a)가 베이스 플레이트(10)와 체결수단(도시하지 않음 ; 예컨대, 볼트와 너트)에 의해 결합되며, 실린더(31)에 장착된 피스톤(32)에 선단에 제 1 연결판(33)이 장착되고, 제 1 연결판(33)의 반달고리부(34)와 제 2 연결판(35)의 반달고리부(36)가 핀(37)에 의해 결합되고, 제 2 연결판(35)이 범퍼 플레이트(20)에 체결수단(도시하지 않음)에 의해 결합된다.Referring to FIG. 5 , as another alternative, in the shock absorber 30 , the cylinder 31 is inserted into the hole 11 of the base plate 10 , and the flange portion 31a is connected to the base plate 10 and fastening means (shown). Not; for example, coupled by a bolt and a nut), the first connecting plate 33 is mounted at the tip of the piston 32 mounted on the cylinder 31 , and the half moon ring portion of the first connecting plate 33 . (34) and the half ring portion (36) of the second connecting plate (35) are coupled by a pin (37), and the second connecting plate (35) is fastened to the bumper plate (20) by a fastening means (not shown). are joined by

이것에 의해, 도 1에 도시된 것처럼, 본 발명에 따른 무인반송차량용 범퍼는 제 1 연결판(33)의 반달고리부(34)에 대해 제 2 연결판(35)의 반달고리부(36)가 상하로 움직일 수 있는 상하 가동범위(a) 만큼 범퍼 플레이트(20)가 베이스 플레이트(10)에 대해 상대적으로 움직일 수 있게 된다. 즉, 범퍼 플레이트(20)에 외부 충격이 가해지면, 외부 충격이 가해지는 방향으로 범퍼 플레이트(20)가 마주보게 되도록 각회전하게 된다. Thereby, as shown in FIG. 1 , the bumper for an unmanned transport vehicle according to the present invention has a half-hook portion 36 of the second connecting plate 35 with respect to the half-hook portion 34 of the first connecting plate 33 . The bumper plate 20 can move relatively with respect to the base plate 10 as much as the up and down movable range (a) in which it can move up and down. That is, when an external impact is applied to the bumper plate 20 , the bumper plate 20 rotates in a direction in which the external impact is applied so that the bumper plate 20 faces each other.

상기 감지센서(40)는 근접센서이고, 베이스 플레이트(10)에서 완충기(30)보다 안쪽에 배치되고, 범퍼 플레이트(20)에 충격이 가해져 범퍼 플레이트(20)가 베이스 플레이트(10) 쪽으로 접근하게 되면, 이를 감지하여 신호를 무인반송차량의 구동 제어부(도시하지 않음)로 전송한다.The detection sensor 40 is a proximity sensor, is disposed on the inside of the shock absorber 30 in the base plate 10, an impact is applied to the bumper plate 20 so that the bumper plate 20 approaches the base plate 10 When it is detected, a signal is transmitted to the driving control unit (not shown) of the unmanned transport vehicle.

상기 판스프링(50)은 베이스 플레이트(10)에서 감지센서(30)보다 안쪽에 연결판부(51)가 장착되고, 연결판부(51)에서 연장되는 원호부(22)의 선단이 범퍼 플레이트(20)에 밀착된다.The plate spring 50 is equipped with a connecting plate part 51 on the inner side of the detection sensor 30 in the base plate 10, and the tip of the arc part 22 extending from the connecting plate part 51 is a bumper plate 20 ) is attached to

상기와 같이 구성된 본 발명에 따른 무인반송차량용 범퍼는 도 6에 도시된 것처럼, 무인반송차량(60)에 장착된 상태에서, 범퍼 플레이트(20)가 외부 물체(도시하지 않음)와 부딪치게 되면, 충격에 의해 범퍼 플레이트(20)가 베이스 플레이트(10) 쪽으로 이동하게 된다. 이때, 완충기(30)와 판스프링(50)에 의해 범퍼 플레이트(20)에 가해진 충격이 완충되고, 감지센서(40)가 범퍼 플레이트(20)를 감지하게 되어, 신호를 무인반송차량(60)의 구동 제어부(도시하지 않음)로 전송하게 됨으로써, 무인반송차량이 정지하게 된다. As shown in FIG. 6 , the bumper for an unmanned transport vehicle according to the present invention configured as described above is mounted on the unmanned transport vehicle 60, and when the bumper plate 20 collides with an external object (not shown), the impact By this, the bumper plate 20 is moved toward the base plate 10 . At this time, the shock applied to the bumper plate 20 by the shock absorber 30 and the leaf spring 50 is buffered, and the detection sensor 40 detects the bumper plate 20, and transmits a signal to the unmanned transport vehicle 60 By transmitting to the driving control unit (not shown) of the unmanned transport vehicle is stopped.

이후, 충격이 제거되면, 판스프링(50)에 의해 범퍼 플레이트(20)가 원위치로 복귀된다.Then, when the impact is removed, the bumper plate 20 is returned to its original position by the leaf spring 50 .

여기서, 완충기(30), 감지센서(40), 판스프링(50)이 각각 한 쌍으로 구성되고 베이스 플레이트의 좌우측에 각각 배치되어, 범퍼 플레이트(20)의 좌측과 우측 중 어느 한쪽으로 가해진 충격이 가해질 경우, 감지센서(40)가 이를 감지할 수 있으며, 감지센서(40)의 신호에 의해 무인반송차량의 구동 제어부는 충격 위치를 판단할 수 있게 된다.Here, the shock absorber 30, the detection sensor 40, and the leaf spring 50 are each configured as a pair and are respectively disposed on the left and right sides of the base plate, so that the impact applied to either the left or the right side of the bumper plate 20 is When applied, the detection sensor 40 can detect it, and the driving control unit of the unmanned transport vehicle can determine the impact location by the signal of the detection sensor 40 .

상기와 같은 본 발명에 따른 무인반송차량용 범퍼는 구조가 간단하고, 모듈화되어 있어, 도 4에 도시된 것처럼, 무인반송차량(60)에 베이스 플레이트를 장착하는 것으로 범퍼 장착이 완료되며, 범퍼의 구성요소가 차체 안쪽(내부쪽)으로 침범하는 것이 없어, 범퍼 장착에 따른 차체의 내부구성을 설계변경하지 않아도 되는 장점이 있다.The bumper for an unmanned transport vehicle according to the present invention as described above has a simple structure and is modularized. As shown in FIG. 4 , the bumper mounting is completed by mounting the base plate on the unmanned transport vehicle 60 , and the configuration of the bumper There is no element invading the inside of the vehicle body (inside), so there is an advantage that it is not necessary to change the design of the internal configuration of the vehicle body according to the bumper installation.

10 : 베이스 플레이트 20 : 범퍼 플레이트
30 : 완충기 40 : 감지센서
50 : 판스프링10: base plate 20: bumper plate
30: buffer 40: detection sensor
50: leaf spring

Claims (6)

차체에 결합되는 차체에 결합되는 베이스 플레이트(10)와, 베이스 플레이트(10)의 양 측부에 장착되어, 베이스 플레이트(10)와 범퍼 플레이트(20) 사이의 간격(S1)을 조절하고, 범퍼 플레이트(20)에 가해지는 충격을 완충하는 한 쌍의 완충기(30)와, 완충기(30)의 피스톤(32)에 장착되는 범퍼 플레이트(20)와, 베이스 플레이트(10)에 장착되어, 범퍼 플레이트(20)의 충격을 감지하는 한 쌍의 감지센서(40)와, 베이스 플레이트(10)에 장착되어, 범퍼 플레이트(20)에 가해진 충격을 완충하며 범퍼 플레이트(20)가 원위치로 복귀되도록 하는 한 쌍의 판스프링(50)으로 구성되는 것을 특징으로 하는 무인반송차량용 범퍼.
The base plate 10 coupled to the vehicle body coupled to the vehicle body, and mounted on both sides of the base plate 10 to adjust the distance S1 between the base plate 10 and the bumper plate 20, and the bumper plate A pair of shock absorbers 30 for buffering the shock applied to (20), a bumper plate 20 mounted on the piston 32 of the shock absorber 30, and a bumper plate 20 mounted on the base plate 10, the bumper plate ( A pair of detection sensors 40 for detecting the impact of 20) and a pair of sensors mounted on the base plate 10 to cushion the impact applied to the bumper plate 20 and to return the bumper plate 20 to its original position A bumper for an unmanned transport vehicle, characterized in that it consists of a leaf spring (50) of the.
 제 1 항에 있어서,
상기 베이스 플레이트(10)는 디귿자 단면 형상을 가진 우측 피메일 플레이트(15)와, 우측 피메일 플레이트(15)와 일부가 겹치도록 연결되는 좌측 메일 플레이트(16)로 구성되며, 우측 피메일 플레이트(15)의 결합구멍(17)과 좌측 메일 플레이트(15)에 형성된 장공(18)에 핀에 끼워져 고정됨으로써, 우측 피메일 플레이트(15)와 좌측 메일 플레이트(16)의 겹치는 길이(L1)에 따라 전체 길이(L2)가 조절되는 것을 특징으로 하는 무인반송차량용 범퍼.
The method of claim 1,
The base plate 10 is composed of a right female plate 15 having a cross-sectional shape of a digwan, and a left male plate 16 connected to partially overlap the right female plate 15, and the right female plate ( 15) and the long hole 18 formed in the left male plate 15 by being fitted with a pin and fixed, according to the overlapping length L1 of the right female plate 15 and the left male plate 16 A bumper for an unmanned transport vehicle, characterized in that the overall length (L2) is adjusted.
 제 1 항에 있어서,
상기 완충기(30)는 실린더(31)가 베이스 플레이트(10)의 양 측단부에 형성된 구멍(11)에 끼워져 베이스 플레이트(10)와 결합되며, 실린더(31)의 단부가 무인반송차량의 차체에 결합되고, 피스톤(32)의 선단에 범퍼 플레이트(20)가 장착되어, 실린더(31)에 인출되는 피스톤(32)의 길이에 따라 베이스 플레이트(10)와 범퍼 플레이트(20) 사이의 간격(S1)이 조절되는 것을 특징으로 하는 무인반송차량용 범퍼.
The method of claim 1,
The shock absorber 30 is coupled to the base plate 10 by inserting the cylinder 31 into the holes 11 formed at both ends of the base plate 10, and the end of the cylinder 31 is attached to the vehicle body of the unmanned transport vehicle. It is coupled, the bumper plate 20 is mounted on the front end of the piston 32, the distance S1 between the base plate 10 and the bumper plate 20 according to the length of the piston 32 drawn out to the cylinder 31. ) is a bumper for an unmanned transport vehicle, characterized in that it is adjusted.
 제 1 항에 있어서,
상기 완충기(30)는 실린더(31)가 베이스 플레이트(10)의 구멍(11)에 끼워져, 플랜지부(31a)가 베이스 플레이트(10)와 체결수단에 의해 결합되며, 실린더(31)에 장착된 피스톤(32)에 선단에 제 1 연결판(33)이 장착되고, 제 1 연결판(33)의 반달고리부(34)와 제 2 연결판(35)의 반달고리부(36)가 핀(37)에 의해 결합되고, 제 2 연결판(35)이 범퍼 플레이트(20)에 체결수단에 의해 결합되는 것을 특징으로 하는 무인반송차량용 범퍼.
The method of claim 1,
In the shock absorber 30, a cylinder 31 is fitted into the hole 11 of the base plate 10, the flange portion 31a is coupled to the base plate 10 by fastening means, and is mounted on the cylinder 31. A first connecting plate 33 is mounted at the distal end of the piston 32, and the half-hook portion 34 of the first connecting plate 33 and the half-hook portion 36 of the second connecting plate 35 are connected to a pin ( 37), and the second connecting plate (35) is coupled to the bumper plate (20) by means of a fastening means.
 제 1 항에 있어서,
상기 감지센서(40)는 근접센서이고, 베이스 플레이트(10)에서 완충기(30)보다 안쪽에 배치되고, 범퍼 플레이트(20)에 충격이 가해져 범퍼 플레이트(20)가 베이스 플레이트(10) 쪽으로 접근하게 되면, 이를 감지하여 신호를 무인반송차량의 구동 제어부로 전송하는 것을 특징으로 하는 무인반송차량용 범퍼.
The method of claim 1,
The detection sensor 40 is a proximity sensor, is disposed on the inside of the shock absorber 30 in the base plate 10, an impact is applied to the bumper plate 20 so that the bumper plate 20 approaches the base plate 10 When it is detected, the bumper for an unmanned transfer vehicle, characterized in that the signal is transmitted to the driving control unit of the unmanned transfer vehicle.
 제 1 항에 있어서,
상기 판스프링(50)은 베이스 플레이트(10)에서 감지센서(30)보다 안쪽에 연결판부(51)가 장착되고, 연결판부(51)에서 연장되는 원호부(22)의 선단이 범퍼 플레이트(20)에 밀착되는 것을 특징으로 하는 무인반송차량용 범퍼.
The method of claim 1,
The plate spring 50 is equipped with a connecting plate part 51 on the inner side of the detection sensor 30 in the base plate 10, and the front end of the arc part 22 extending from the connecting plate part 51 is a bumper plate 20 ) bumper for an unmanned transport vehicle, characterized in that it is in close contact.
KR1020190175894A 2019-12-27 2019-12-27 Bumper for automated guide vehicle KR102337734B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230083000A (en) 2021-12-02 2023-06-09 현대자동차주식회사 Lower body for vehicle
KR20230083002A (en) 2021-12-02 2023-06-09 현대자동차주식회사 Luggage box for vehicle
KR20230090751A (en) 2021-12-15 2023-06-22 현대자동차주식회사 Lower body for vehicle
KR20230090757A (en) 2021-12-15 2023-06-22 현대자동차주식회사 Upper body for vehicle
KR20230120811A (en) 2022-02-10 2023-08-17 현대자동차주식회사 Body for vehicle

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US4014582A (en) * 1975-06-30 1977-03-29 Mackenzie Kenneth W Vehicle bumper system
US20010024043A1 (en) * 1997-11-24 2001-09-27 Breed David S. Damped crash attenuator
JP2019119343A (en) * 2018-01-04 2019-07-22 株式会社東芝 Unmanned carrier

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Publication number Priority date Publication date Assignee Title
US4014582A (en) * 1975-06-30 1977-03-29 Mackenzie Kenneth W Vehicle bumper system
US20010024043A1 (en) * 1997-11-24 2001-09-27 Breed David S. Damped crash attenuator
JP2019119343A (en) * 2018-01-04 2019-07-22 株式会社東芝 Unmanned carrier

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230083000A (en) 2021-12-02 2023-06-09 현대자동차주식회사 Lower body for vehicle
KR20230083002A (en) 2021-12-02 2023-06-09 현대자동차주식회사 Luggage box for vehicle
KR20230090751A (en) 2021-12-15 2023-06-22 현대자동차주식회사 Lower body for vehicle
KR20230090757A (en) 2021-12-15 2023-06-22 현대자동차주식회사 Upper body for vehicle
US11718345B2 (en) 2021-12-15 2023-08-08 Hyundai Motor Company Lower body for vehicle
KR20230120811A (en) 2022-02-10 2023-08-17 현대자동차주식회사 Body for vehicle

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