KR20000029742A - Vehicle with electric driving motor, particularly as an industrial truck - Google Patents

Vehicle with electric driving motor, particularly as an industrial truck Download PDF

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Publication number
KR20000029742A
KR20000029742A KR1019997000846A KR19997000846A KR20000029742A KR 20000029742 A KR20000029742 A KR 20000029742A KR 1019997000846 A KR1019997000846 A KR 1019997000846A KR 19997000846 A KR19997000846 A KR 19997000846A KR 20000029742 A KR20000029742 A KR 20000029742A
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South Korea
Prior art keywords
vehicle
motor
drive
drive motor
vehicle according
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KR1019997000846A
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Korean (ko)
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레발더칼하인쯔
벡만페터
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클락 마테리알 핸들링 게엠베하
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Publication of KR20000029742A publication Critical patent/KR20000029742A/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
    • B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07572—Propulsion arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/40—Working vehicles
    • B60L2200/44—Industrial trucks or floor conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/10—Electrical machine types
    • B60L2220/16—DC brushless machines
    • 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
    • B60Y2200/15—Fork lift trucks, Industrial trucks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/60—Electric or hybrid propulsion means for production processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Power Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

PURPOSE: A vehicle equipped an electric driving motor is provided to reduce an abrasion for extending the life span of a car and to manufacture vehicles to be able to use in inferior conditions by using a brushless electric motor as a starting motor. CONSTITUTION: A vehicle equipped an electric driving motor comprises: a housing of starting motor(2) fixed in a car; a rotator(4) equipped on a hollow shaft(5), and its rotation is delivered to a driving shaft(7, 8) through a differential gear(6); the one drive shaft(8) connected to one side wheel(9) through a hollow shaft(5) and the other drive shaft(7) connected directly to opposite wheel(10), which include a multi plate type break(12); a differential gear(6) equipped on the side of an aero-motor(2) connected to wheels(9, 10) through a transition absence(11).

Description

전기 구동 모터를 구비한 차량, 특히 산업용 트럭 {VEHICLE WITH ELECTRIC DRIVING MOTOR, PARTICULARLY AS AN INDUSTRIAL TRUCK}Vehicles with electric drive motors, especially industrial trucks {VEHICLE WITH ELECTRIC DRIVING MOTOR, PARTICULARLY AS AN INDUSTRIAL TRUCK}

이런 차량들은 통상적으로 각종 분야에서 사용하기 위한 전기적으로 구동되는 소형 차량들이다. 이런 차량은 예를 들어 기차역, 공항 또는 차량 자유지역에서의 화물 및 승객 운반용으로, 그리고 골프 코스에서의 인원 및 골프 장비 운반용 캐디 차량으로 사용된다. 이런 차량들을 상품 운반을 위한 산업 트럭(예를 들어 지게차 등)으로서 사용되고 있다.Such vehicles are typically electrically driven small vehicles for use in various fields. Such vehicles are used, for example, for the carriage of cargo and passengers at railway stations, airports or free areas of vehicles, and as caddy vehicles for carrying personnel and golf equipment on golf courses. These vehicles are used as industrial trucks (fork lift trucks, etc.) for carrying goods.

이런 각종 차량들은 모두 차량이 가능한 한 소형이어야 하며 치수는 최소이면서도 매일 사용할 수 있어야 하고 좁은 공간에서도 문제없이 작동되는 성능을 갖고 있어야 한다는 큰 문제점이 있다. 게다가, 산업용 트럭에 있어서는 이들 차량이 최적의 경제성을 확보하면서 수명이 길고 보수 비용도 저렴할 것이 중요하다.All these vehicles have a big problem that the vehicle should be as small as possible, the dimensions should be minimal and can be used every day, and have the ability to operate without problems in a narrow space. In addition, for industrial trucks, it is important that these vehicles have long life and low maintenance costs while ensuring optimum economics.

전기 구동 모터와 관련 배터리로 구성되는 구동 장치는 차량 내부의 가용 공간의 상당 부분을 차지하기 때문에, 구동 모터와 배터리를 가능한 한 소형화하는 것이 큰 관심사가 되고 있다.Since a drive device composed of an electric drive motor and an associated battery occupies a large part of the available space inside the vehicle, it is of great interest to make the drive motor and the battery as small as possible.

따라서, 내부 중공축을 가진 직류 모터가 개발되었는데, 이 모터는 고정자의 회전이 중공축과 차동 장치를 거쳐서 차륜의 구동축으로 전달되며, 구동 축 중 하나가 중공축을 관통하는 플러그 인 축으로 되어 있다. 이런 시스템은 특히 연속 사용시에 직류 모터의 마모가 극심하고 극히 제한된 수명 밖에는 갖지 못한다는 단점을 내재하고 있다. 정류자도 정기적으로 세척해야 하고 브러시도 정기적으로 교체해야 한다. 결국, 모터는 외부로부터 접근이 용이해야 하며, 이는 차량 내의 모터 배열 및 차체 구성상에 큰 제약이 되게 된다.Therefore, a DC motor with an internal hollow shaft has been developed, in which the rotation of the stator is transmitted to the drive shaft of the wheel via the hollow shaft and the differential device, one of which is a plug-in shaft passing through the hollow shaft. Such a system inherently suffers from the drawback that the wear of a DC motor is extremely severe and has a very limited lifetime. The commutator must also be cleaned regularly and the brush replaced regularly. As a result, the motor must be easily accessible from the outside, which places great restrictions on the arrangement of the motor and the body construction in the vehicle.

차량을 먼지가 많이 유발되는 산업 환경, 예를 들어 제강 산업 분야에서 사용할 때는 먼지 습분 및 기타 환경적 영향의 침입을 방지하기 위한 보호 대책에 어려움이 따르게 되고 비용도 많이 들며 보호 장비가 작동중에 손상될 수도 있다는 단점까지 갖고 있다. 폭발 위험성이 있는 환경에서 직류 모터를 사용할 수 있게 하려면 특히 고가의 보호 대책이 요구된다.When the vehicle is used in a dusty industrial environment, for example in the steel industry, protective measures to prevent the ingress of dust moisture and other environmental influences are difficult, costly and may cause damage to the protective equipment during operation. It has the disadvantage of being able to. The use of direct-current motors in potentially explosive atmospheres requires particularly expensive protection measures.

차동 장치는 구동 장치의 크기를 소형화하기 위해 직류 모터와 직결시킬 수 있기 때문에, 구동 시스템에 장착되어 오던 변속기 오일이 완전히 고갈되면 구동 모터 전체를 교환해야 하기까지 한다. 정기적인 보수를 수행해야 하는 한 이런 보수 작업도 누설에 관해 더욱 고려해야 한다.Differential devices can be directly connected to a direct-current motor to reduce the size of the drive, so that the entire drive motor has to be replaced when the transmission oil used in the drive system is completely depleted. As long as regular repairs have to be carried out, these repairs should be further considered for leakage.

본 발명은 전기 구동 모터 장착 차량, 특히 산업용 트럭에 관한 것으로, 구동 모터 하우징이 자동차에 견고하게 탑재되고 구동 모터의 회전부가 축, 특히 중공축 상에 장착되고, 이어서 변속기, 특히 차동 장치에 의해 적어도 하나의 차축과 연결된 차량에 관한 것이다.The present invention relates to a vehicle with an electric drive motor, in particular an industrial truck, in which the drive motor housing is rigidly mounted in a motor vehicle and the rotating part of the drive motor is mounted on an axis, in particular a hollow shaft, and then at least by a transmission, in particular a differential device. It relates to a vehicle connected to one axle.

도1은 지게차의 전방 부분 평면도.1 is a plan view of the front part of a forklift truck;

본 발명의 목적은 보다 높고 실제로 제한이 없는 수명을 가지고 있어서 상술한 단점을 해결할 수 있는 실질적인 무보수 차량을 제공하는 것이며, 환경 오염이 극심한 곳이나 폭발 위험성이 있는 환경에서 사용하더라도 마모가 적은 것을 특징으로 한다.An object of the present invention is to provide a substantially maintenance-free vehicle that can solve the above-mentioned disadvantages by having a higher and practically unlimited life, and is characterized by low wear even when used in an environment where environmental pollution is severe or an explosion hazard. do.

상기 목적은 구동 모터를 직류 모터에 비해 마모도 극히 적고 거의 보수가 필요 없는 무브러시 전기 모터로서 형성하여 교환 가능한 브러시 자체를 생략한 형식의 모터로 성형함으로써 달성된다.The above object is achieved by forming the drive motor as a brushless electric motor with extremely low wear and almost no maintenance compared to a direct current motor, and forming a motor of a type in which the replaceable brush itself is omitted.

차량의 모터 파손 중의 백피드는 직류 모터의 것에 비해 증가될 수 있다. 무브러시 전기 모터의 하우징은 밀폐시키기도 용이해서 오일이 침투해도 작동에 거의 영향을 미치지 않는다. 게다가, 무브러시 전기 모터는 제어성이 훌륭하며, 오염이 극심한 환경이나 잦은 보수로 인해 폭발 위험성이 있는 환경에서도 차량이 작동될 수 있게 해주며, 무브러시 전기 모터는 차량의 어느 부분에도 장착될 수 있어서 접근이 용이하지 않은 위치에도 장착이 가능하다.The backfeed during motor breakage of the vehicle can be increased compared to that of the DC motor. The housing of the brushless electric motor is also easy to seal, so even if oil penetrates, it has little effect on operation. In addition, the brushless electric motors are highly controllable and allow the vehicle to operate in environments with high levels of contamination or in potentially explosive environments due to frequent maintenance. Brushless electric motors can be mounted on any part of the vehicle. It can be mounted in a location that is not easily accessible.

따라서, 구동 모터는, 회전하는 내부 부품은 중공축 상에 장착되면서도 차량에 견고하게 탑재된다. 예를 들어 산업용 트럭의 경우에 무브러시 전기 모터는 차체 프레임 상에 직접 고정시킬 수도 있어서 차량은 서스펜션을 가질 필요가 없다. 골프 카트를 구비한 경우 혹은 공항이나 기차역에서 사용되는 차량 등 차량이 승객 운반용으로 이용되는 경우에는 구동 모터는 차체 샤시 상의 다른 부품에 현수시킬 수도 있다. 그러나, 이들 부품을 회전 불가능하게 하는 것은 필수적이다.Thus, the drive motor is firmly mounted to the vehicle while the rotating internal parts are mounted on the hollow shaft. In the case of industrial trucks, for example, a brushless electric motor may be fixed directly on the body frame so that the vehicle does not have to have a suspension. In the case of a golf cart or a vehicle used for passenger transport, such as a vehicle used in an airport or a train station, the drive motor may be suspended on other parts of the body chassis. However, it is essential to make these parts non-rotable.

본 발명에 따르면, 구동 모터는 한편으로는 구동 모터와 구동 차축이 차지하는 체적을 감소시키고 다른 한편으로는 차량의 전방부의 중량도 감소시킬 수 있는 구동 차축과 일체의 부품으로 할 수 있다.According to the present invention, the drive motor can be formed integrally with the drive axle, which can reduce the volume occupied by the drive motor and the drive axle on the one hand and also reduce the weight of the front part of the vehicle on the other hand.

본 발명의 적합한 실시예에서는 구동 모터와 차륜 사이에 구동 차축을 따라 전이 부재가 제공되며, 이 전이 부재는 구동 차축과 일체의 부품을 형성한다. 적합하게는, 구동 모터는 비동기 모터이다. 본 발명에 따르면, 차량에는 오일에 잠긴 다판식 디스크 브레이크가 제공되어, 이들 디스크 브레이크가 전이 부재 내부에 배치될 수 있다. 이들 다판식 디스크 브레이크는 거의 마모 없이 회전을 지연시켜서 전체 차축 장치가 실제로 무보수로 눈에 띌 만한 마모 없이 동작할 수 있도록 되어 있다.In a suitable embodiment of the invention, a transition member is provided along the drive axle between the drive motor and the wheel, the transition member forming an integral part with the drive axle. Suitably, the drive motor is an asynchronous motor. According to the invention, the vehicle is provided with a multi-plate disc brake submerged in oil so that these disc brakes can be arranged inside the transition member. These multi-plate disc brakes delay rotation with little wear, allowing the entire axle to operate without noticeable wear in practice.

본 발명에 따르면, 상기 차량은 유압 작동식 탄성 복원 브레이크와 탄성 복원 브레이크를 작동시키는 데 필요한 유압을 발생하고 이 유압으로 차량의 기타 동작을 위한 유압도 공급하는 유압 펌프를 구비할 수 있다.According to the present invention, the vehicle may be provided with a hydraulically actuated elastic restoring brake and a hydraulic pump for generating hydraulic pressure required to operate the elastic restoring brake and supplying hydraulic pressure for other operations of the vehicle.

이하에서는 본 발명의 실시예를, 도면에 도시하고 산업용 차량을 대표하는 지게차에 관해 상세히 설명하기로 한다. 도면은 고정자(3)와 회전자(4)를 구비한 비동기 모터(2)를 구동 모터로서 갖는 지게차(1)의 전방 부분의 평면도이다. 이 때, 회전자(4)는 중공축(5) 상에 장착되고, 상기 회전자(4)의 회전 운동이 차동 장치(6)에 의해 구동축(7, 8)으로 전달된다. 차동 장치(6)는 비동기 모터(2)의 측방에 장착되어 있기 때문에, 구동축(8)은 중공 축(5)을 통해 다른쪽에 장착된 차륜(9)까지 플러그 인 차축으로서 연장되고, 구동축(7)은 병치 차륜(1)까지 직접 연장된다.Hereinafter, an embodiment of the present invention will be described in detail with respect to the forklift truck shown in the drawings and representing an industrial vehicle. The figure is a plan view of the front part of the forklift 1 having as a drive motor an asynchronous motor 2 with a stator 3 and a rotor 4. At this time, the rotor 4 is mounted on the hollow shaft 5, and the rotational movement of the rotor 4 is transmitted to the drive shafts 7, 8 by the differential device 6. Since the differential device 6 is mounted on the side of the asynchronous motor 2, the drive shaft 8 extends as a plug-in axle through the hollow shaft 5 to the wheel 9 mounted on the other side, and the drive shaft 7 ) Extends directly to the juxtaposition wheel 1.

비동기 모터(2)는 오일 필드 전이 부재(11)를 거쳐 차륜(9, 10)에 연결되어 있으며, 각각 다판식 브레이크(12)를 구비한 구동축(7, 8)은 유성 변속기(13)와 연결된다. 게다가, 차동 장치(6)는 전이 부재(11) 중 하나에도 장착된다. 전이 부재(11)는 인양 실린더(14)를 위한 주위 요홈을 구비하고 있다. 차륜측에서, 지게차(1)의 전이 부재(11)는 차체 샤시(15)와 연결되어 있다.The asynchronous motor 2 is connected to the wheels 9 and 10 via the oil field transition member 11, and the drive shafts 7 and 8 with the multi-plate brakes 12 are connected to the planetary transmission 13, respectively. do. In addition, the differential device 6 is also mounted on one of the transition members 11. The transition member 11 has a peripheral groove for the lifting cylinder 14. On the wheel side, the transition member 11 of the forklift 1 is connected to the vehicle body chassis 15.

전이 부재(11) 쪽과는 먼 방향에서 지게차(1)측에는 외부 프레임과 그 위에 이동 가능하게 장착된 내부 프레임(18)으로 구성되는 인양 마스트가 장착되어 있다. 내부 프레임(18)에 있어서, 포크(20)는 포크 캐리어 상에 제공된다.A lifting mast composed of an outer frame and an inner frame 18 movably mounted thereon is mounted on the forklift 1 side in a direction far from the transition member 11 side. In the inner frame 18, a fork 20 is provided on the fork carrier.

Claims (7)

구동 모터(2)의 하우징이 차량에 견고하게 고정되어 있고 구동 모터(2)의 회전부가 축, 특히 차동 장치(6)와 같은 변속기를 거쳐서 차량의 구동축(7, 8) 중 적어도 하나와 연결된 중공축(5) 상에 장착된, 전기 구동 모터를 구비한 특히 산업용 트럭 등의 차량에 있어서,The hollow of the housing of the drive motor 2 is firmly fixed to the vehicle and the rotation of the drive motor 2 is connected to at least one of the drive shafts 7, 8 of the vehicle via an axis, in particular a transmission such as the differential device 6. In a vehicle such as an industrial truck, in particular with an electric drive motor, mounted on the shaft 5, 구동 모터는 무브러시 전기 모터인 것을 특징으로 하는 차량.And the drive motor is a brushless electric motor. 제1항에 있어서, 구동 모터는 구동축의 일체의 부품인 것을 특징으로 하는 차량.The vehicle according to claim 1, wherein the drive motor is an integral part of the drive shaft. 제1항 또는 제2항에 있어서, 구동 모터와 차륜(9, 10) 사이에는 구동 차축의 일체의 부품인 구동 축에 배치된 전이 부재(11)가 존재하는 것을 특징으로 하는 차량.The vehicle according to claim 1 or 2, characterized in that between the drive motor and the wheels (9, 10) there is a transition member (11) disposed on the drive shaft which is an integral part of the drive axle. 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 구동 모터는 비동기 모터(2)인 것을 특징으로 하는 차량.The vehicle according to claim 1, wherein the drive motor is an asynchronous motor. 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 차량은 오일 내에 배치된 다판식 브레이크(12)를 구비한 것을 특징으로 하는 차량.The vehicle according to claim 1, wherein the vehicle has a multi-plate brake (12) disposed in oil. 제5항에 있어서, 오일 내에 배치된 상기 다판식 브레이크는 전이 부재(11)의 내부에 배치되는 것을 특징으로 하는 차량.6. The vehicle according to claim 5, wherein the multi-plate brake disposed in the oil is arranged inside the transition member. 제1항 내지 제6항에 있어서, 상기 차량은 유압 작동 가능한 탄성 복원 브레이크와, 탄성 복원 브레이크를 동작시키기 위해 필요한 유압을 발생시키는 역할을 하고 유압 장치도 동작시키는 펌프 모터에 의해 구동되는 유압 펌프를 구비한 것을 특징으로 하는 차량.The vehicle according to claim 1, wherein the vehicle includes a hydraulically actuated elastic restoring brake and a hydraulic pump driven by a pump motor which serves to generate the hydraulic pressure necessary to operate the elastic restoring brake and also operates the hydraulic device. Vehicle characterized in that provided.
KR1019997000846A 1996-07-31 1997-07-30 Vehicle with electric driving motor, particularly as an industrial truck KR20000029742A (en)

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DE29613282U DE29613282U1 (en) 1996-07-31 1996-07-31 Vehicle with an electric drive motor, especially as an industrial truck
DE29613282.9 1996-07-31

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AU4203497A (en) 1998-02-20

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