KR910008030B1 - Electric train insulator for preventing ant-damage of bearing - Google Patents

Electric train insulator for preventing ant-damage of bearing Download PDF

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Publication number
KR910008030B1
KR910008030B1 KR1019880016461A KR880016461A KR910008030B1 KR 910008030 B1 KR910008030 B1 KR 910008030B1 KR 1019880016461 A KR1019880016461 A KR 1019880016461A KR 880016461 A KR880016461 A KR 880016461A KR 910008030 B1 KR910008030 B1 KR 910008030B1
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South Korea
Prior art keywords
operating lever
bearing
damage
adjusting rod
connecting pin
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KR1019880016461A
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Korean (ko)
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KR900009369A (en
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김남포
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대우중공업주식회사
이경훈
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Priority to KR1019880016461A priority Critical patent/KR910008030B1/en
Publication of KR900009369A publication Critical patent/KR900009369A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D37/00—Other furniture or furnishings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

In an automatic leveling valve system of electric railcars an operating lever (7) is linked to an adjusting rod (8) by a connecting pin (9). A circular shock- absorbing rubber (10) is inserted in between the linking hole of the operating lever and the connecting pin. Two circular insulating sheets having a hole on each center are inserted on the connecting pin to prevent the operating lever and the adjusting rod from contacting with each other. The insulating sheet should be made of insulating and abrasion resistant material.

Description

전동차의 베어링 손상방지를 위한 절연구Insulation tool for preventing bearing damage of electric cars

제1도는 본 발명에 있어서 절연구가 설치되는 자동 높이조절밸브(LEVELING VALVE) 장치부위를 발췌하여 나타낸 개략평면도.Figure 1 is a schematic plan view showing an extract of the automatic height adjustment valve (LEVELING VALVE) device portion is installed in the present invention.

제2도는 본 발명에 있어서 절연구가 설치되는 자동 높이조절밸브 장치부위를 발췌하여 나타낸 개략측면도.Figure 2 is a schematic side view showing an extract of the automatic height adjustment valve device portion in which the insulating sphere is installed in the present invention.

제3도는 본 발명에 있어서 절연구가 설치된 상태를 나타낸 제2도의 A부 확대도.3 is an enlarged view of a portion A of FIG. 2 showing a state where an insulating tool is installed in the present invention.

제4도는 본 발명에 있어서 절연구를 나타낸 사시도.4 is a perspective view showing an insulating tool in the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 차체 2 : 대차1: body 2: bogie

3 : 공기스프링 7 : 작동레버3: Air spring 7: Operation lever

8 : 조정로드 9 : 연결판8: adjusting rod 9: connecting plate

10 : 완충고무 15 : 절연구10: cushioning rubber 15: insulator

16 : 끼움공16: fitting ball

본 발명은 전력을 동력원으로서 이용하는 전동차에 있어서 그 구성요소중 금속접촉회전부위에 별도의 절연구를 개재함으로서 금속접촉회전부위에 간헐적으로 흐르게 되는 누설전류를 차단하여 베어링의 손상을 방지할 수 있도록 한 전동차의 베어링 손상방지를 위한 절연구에 관한 것이다.The present invention is to prevent the damage of the bearing by blocking the leakage current flowing intermittently to the metal contact rotating part by interposing a separate insulating hole in the metal contact rotating part of the components in the electric vehicle using power as a power source The present invention relates to an insulator for preventing bearing damage of an electric vehicle.

현재 운행되고 있는 기존의 전동차상에는 주행시의 진동을 완화시켜 주기위한 완충장치의 일환으로서 자동 높이조절밸브(LEVELING VALVE) 장치가 병설되어 있는데 이러한 자동 높이조절밸브 장치는 전동차 하부의 차체(1)와 대차(2) 사이에 적정형상의 공기스프링(3)이 장치되고 차체(1)와 대차(2)상에 각각의 브라켓트(4,5)가 장착되며, 차체(1)의 브라켓트(4)상에는 자동 높이조절밸브(6)가 장착됨과 동시에 자동 높이 조절밸브(6)의 작동레버(7) 끝단과 조정로드(ADJUSTING ROD)(8) 끝단을 연결핀(9)으로서 상호연결시키되, 작동 레버(7)의 끝단에 완충고무(10)를 끼운 상태로서 조정로드(8)와 연결시켜 구성된 것인 바, 이와 같은 자동 높이조절밸브 장치는 전력을 동력원으로 이용하는 전동차의 정적 상태에서는 금속재인 조정로드(8)와 작동레버(7)사이에 접촉이 없게되어 작동레버(7)상에 끼워진 완충고무(10)만으로도 누설전류의 차단이 가능하게 되나, 전동차가 주행할 때에는 진동이 발생하게 됨으로서 금속재의 조정로드(8)와 작동레버(7)의 연결부위가 상하, 좌우로 불규칙하게 운동되면서 상호 간헐적으로 접촉되게 되어 작동레버(7) 끝단의 완충고무(10)에 의한 누설전류의 차단은 거의 불가능하게 되고, 전류를 동력원으로 이용함에 따라 필연적으로 발생하게 되는 누설전류가 조정로드(8)와 작동레버(7)상에 흐르게 되면서 차측베어링을 통해 지면으로 통하게 되는데 그 과정에서 베어링상에 간헐적으로 스파크현상이 발생되게 됨으로써 베어링이 용착되는 등의 손상을 주게되어 베어링의 수명을 단축시키게 됨은 물론 그로인해 베어링을 자주 교체해야만 했던 번거로움 및 경제적 손실을 초래하게 되었던 것이다.The existing electric vehicle currently running is equipped with an automatic height adjustment valve (LEVELING VALVE) as part of a shock absorber to mitigate the vibration during driving. Such automatic height adjustment valve device is provided with a vehicle body (1) under the electric vehicle. An appropriately shaped air spring (3) is provided between (2) and respective brackets (4, 5) are mounted on the body (1) and the cart (2), and on the bracket (4) of the body (1) At the same time as the height adjusting valve 6 is mounted, the end of the actuating lever 7 of the automatic height adjusting valve 6 and the end of the ADJUSTING ROD 8 are interconnected as connecting pins 9, but the actuating lever 7 It is configured to be connected to the adjustment rod (8) as a state in which the cushion rubber (10) is inserted at the end of the bar, such automatic height adjustment valve device is a metal adjustment rod (8) in the static state of the electric vehicle using power as a power source ) And no working lever (7) The leakage current can be interrupted only by the cushioning rubber 10 fitted on the operating lever 7, but vibration occurs when the electric vehicle runs, so that the connection portion between the adjusting rod 8 and the operating lever 7 made of metal Intermittent contact with each other intermittently while moving up and down, left and right, it is almost impossible to block the leakage current by the buffer rubber 10 at the end of the operating lever (7). As the leakage current flows on the adjusting rod 8 and the operating lever 7, it passes through the vehicle side bearing to the ground, and in the process, an intermittent spark phenomenon occurs on the bearing, thereby damaging the bearing and the like. Not only does it shorten the life of the bearings, but it also causes the hassle and economic loss of frequent bearing replacement.

본 발명은 이와 같은 문제점을 감안하여 누설전류가 흐르게 되는 금속접촉부위에 적정절연구를 개재하여 누설전류를 차단함으로서 베어링의 손상을 방지하고자 하는데 목적이 있는 것으로 첨부도면에 의거하여 상세히 설명하면 다음과 같다.The present invention has been made in view of the above problems in order to prevent damage to the bearing by blocking the leakage current through a suitable insulating hole through the metal contact portion through which leakage current flows. same.

제4도에서 도시된 바와 같은 절연구(15)는 비전도성 및 내마모성을 겸비한 재질로서 얇은 원판형의 절연구(15)를 형성하되, 중앙부에 적정크기의 끼움공(16)을 형성하여 구성된 것이다.Insulator 15 as shown in Figure 4 is a material having a non-conductive and wear-resistant material to form a thin disk-shaped insulator 15, it is configured by forming a fitting hole 16 of the appropriate size in the center .

본 발명은 이와 같이 구성된 원판형의 절연구(15)로서 누설전류를 차단하도록 하는 것인 바, 전술된 바와 같이 전동차의 주행시 진동완화를 위한 완충장치를 일환으로서 병설되는 자동 높이조절밸브 장치를 이루고 있는 구성요소중 금속접촉 회전부위 즉 진동전달수단인 작동레버(7)와 조정로드(8)를 상호 연결하는 연결핀(9)상에 중앙의 끼움공(16)을 통해 절연구(15)를 끼우되, 금속재의 조정로드(8)와 작동레버(7)가 상호 격리되도록 양측 사이에 각각 개재함으로서, 전동차주행시의 진동에 의해 조정로드(8)와 작동레버(8)가 상호 상하, 좌우로 유동된다 하더라도 절연구(15)에 의해 상호 접촉되지 못하도록 하여 전력을 동력원으로 이용함에 따라 발생되는 누설전류를 차단하도록 한다.The present invention is to prevent the leakage current as the disk-shaped insulator 15 configured as described above, as described above to form an automatic height adjustment valve device which is provided as a part of the shock absorber for vibration dampening during the driving of the electric vehicle. Among the components, the insulator 15 is inserted through a central fitting hole 16 on the connecting pin 9 which interconnects the operating lever 7 and the adjusting rod 8, which are the metal contact rotating parts, that is, the vibration transmitting means. While interposed between the two sides so that the metal adjusting rod 8 and the operating lever 7 are mutually isolated from each other, the adjusting rod 8 and the operating lever 8 are mutually up and down and left and right by vibrating when driving the vehicle. Even if it flows, it is prevented from contacting each other by the insulator 15 so as to cut off the leakage current generated by using the power as a power source.

이와 같은 본 발명에 의한 누설전류의 차단은 전동차 상에 장치되는 모든 구성요소의 금속회전접촉부위에 적용함으로서 차측의 베어링상에 누설전류가 흐르지 못하도록 하여 누설전류로 인한 베어링의 손상을 방지하게 되는 바, 베어링의 수명을 연장하는 효과를 가져오게 됨은 물론, 작동레버(7)와 조정로드(8)가 상호 간접접촉하게 됨으로서 종래와 같이 직접 접촉으로 인한 접촉부위의 마모를 방지하게 되는 부수적 효과를 겸비하는 경제적이면서도 유용한 발명인 것이다.As described above, the blocking of the leakage current according to the present invention is applied to the metal rotating contact portions of all components installed on the electric vehicle, thereby preventing the leakage current from flowing on the bearing of the vehicle to prevent damage to the bearing due to the leakage current. In addition, it has the effect of extending the life of the bearing, as well as the indirect contact between the operating lever (7) and the adjusting rod (8) has a secondary effect that prevents abrasion of the contact area due to direct contact as in the prior art. It is an economical and useful invention.

Claims (1)

비전도성과 내마모성을 겸비한 통상의 재질로서 중앙부에 끼움공(16)을 형성하여 이루어진 박판상의 절연구(15)를 형성하여 금속접촉회전부위인 작동레버(7)와 조정로드(8)를 상호 연결하는 연결핀(9)상에 끼우되, 조정로드(8)와 작동레버(7)가 상호 격리되도록 양측 사이에 각각 개재하는 것을 특징으로 하는 전동차의 베어링 손상방지를 위한 절연구.As a conventional material having both non-conductivity and abrasion resistance, a thin insulating sphere 15 formed by forming a fitting hole 16 in the center thereof is formed to interconnect the operating lever 7 and the adjusting rod 8, which are metal contact rotation parts, with each other. Inserted on the connecting pin (9) to the insulating rod for preventing the bearing damage of the electric vehicle, characterized in that interposed between both sides so that the adjustment rod (8) and the operating lever (7) are mutually isolated.
KR1019880016461A 1988-12-12 1988-12-12 Electric train insulator for preventing ant-damage of bearing KR910008030B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880016461A KR910008030B1 (en) 1988-12-12 1988-12-12 Electric train insulator for preventing ant-damage of bearing

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Application Number Priority Date Filing Date Title
KR1019880016461A KR910008030B1 (en) 1988-12-12 1988-12-12 Electric train insulator for preventing ant-damage of bearing

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KR900009369A KR900009369A (en) 1990-07-04
KR910008030B1 true KR910008030B1 (en) 1991-10-07

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KR100826101B1 (en) * 2006-08-07 2008-04-29 현대로템 주식회사 The electromotive car cabin pillar where the absorption of upper/low flow is moving freely

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