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자전거 제동기 (11263 views - Sports List)

자전거 제동기는 자전거를 멈추거나 속도를 늦추는데 쓰는 부품이다. 제동 구조는 제동기 레버, 제동기선, 제동장치로 구성되어 있다. 제동기 종류는 크게 나누어 테 제동기(림 브레이크), 판 제동기(디스크 브레이크), 통 제동기(드럼 브레이크) 등이 있다.
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Explanation by Hotspot Model

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자전거 제동기

자전거 제동기

자전거 제동기자전거를 멈추거나 속도를 늦추는데 쓰는 부품이다. 제동 구조는 제동기 레버, 제동기선, 제동장치로 구성되어 있다. 제동기 종류는 크게 나누어 테 제동기(림 브레이크), 판 제동기(디스크 브레이크), 통 제동기(드럼 브레이크) 등이 있다.

테 제동기

바퀴 테 부분에 설치하는 제동기로 보통 림 제동기, 림 브레이크(rim brake)로 부른다. 회전하는 자전거 바퀴 테를 제동기 패드로 마찰해서 속도를 늦추는 장치다. 패드는 가죽, 고무, 세라믹, 코르크 등의 재료로 만든다. 테 제동기는 자전거 손잡이에 붙은 제동기 레버를 누르는 힘으로 작동한다.

  • 장점

가격이 싸고 가벼울 뿐 아니라 구조가 간단하여 유지관리가 쉽다.

  • 단점

비가 오거나 해서 바퀴 테가 젖어 있을 때에는 미끄러워 제동력이 떨어진다. 진흙길이나 눈길 등에서는 바퀴 테와 제동기 사이에 흙이나 눈이 들어가 작동이 곤란한 경우가 있다. 악천후 때 타게 되면 패드에 이물질이 들어가 빨리 닳기 쉽다. 패드에 이물질이 끼거나 닳게되면 바퀴 테까지 닳기 쉽다. 긴 내리막 등에서 제동기를 계속해서 잡고 내려오면 마찰열로 테가 뜨거워지면서 타이어가 압력이 올라가 터지는 경우가 있다. [1]

막대형

라드 브레이크(rod-actuated brake, rod brake)라고 부르며 레버와 제동 장치 사이에 쇠막대를 써서 패드를 조종 할 수 있도록 되어있다. 튼튼해서 화물 자전거(짐차)나 보통 생활 자전거에 많이 달려 있다.

캘러퍼형

바퀴 위에 고정된 캘러퍼에 연결된 선을 당기면 테에 패드가 닿아 작동되는 방식이다. 바퀴가 넓어지면 팔길이 길어져야 하므로 산악 자전거 등 넓은 바퀴에서는 비효율적인 구조라서 도로 자전거고정 기어 자전거에 특히 많이 쓰인다.

  • 일축 측면당김 캘러퍼 제동기
  • 이축 측면당김 캘러퍼 제동기

유형

유 브레이크(U-brakes)라고 부르며 프리스타일 BMX에 표준으로 쓰인다.

외팔보형

브이형

수평당김 제동기 혹은 직접당김 제동기, 보통은 시마노 등록상표인 브이 브레이크(V-brakes)라고 부른다. 플랫바 손잡이가 달린 산악자전거나 하이브리드 자전거에 잘 맞다.

롤러 캠형

델타형

삼각형 모양으로 도로 자전거에 쓰이는 제동기이다.

유압식 테형

판 제동기

쇠원판을 바퀴 축에 덧달아 그 원판을 마찰하는 패드를 설치한 구조로 디스크 브레이크(disc brake)로 부른다. 비교적 무거운 편이나 진흙 등 험한 길에도 쉽게 오염되지 않고 제동력이 확실하여 산악 자전거에 많이 쓰인다.

유압식

기계식

통 제동기

드럼 브레이크(drum brake)는 바퀴 축안에 있는 70 ~ 120mm 지름을 가진 원통 표면을 두개의 패드로 눌러 작동하는 방식이다. 미니벨로 등 생활형 자전거에 많다.

  • 장점

둘러싸여 있어 우천이나 더러움에 강하다.

  • 단점

복잡한 구조로 무거운 편이며 고치기가 어렵다.

코스터 제동기

코스터 브레이크(coaster brake), 백페달 브레이크(back pedal brake), 풋 브레이크(foot brake)는 1898년에 발명되었다. 바퀴 축 안에 프리휠과 함께 장착된 통 제동기의 일종으로 페달을 뒤로 굴리면 바퀴축 안에 내장된 브레이크 패드가 원통 안쪽을 눌러주며 제동하는 방식이다. 주로 어린이용 자전거나 비치크루저(Beach Cruiser)에 많이 쓰인다.

  • 장점

허브 내부에 있어 우천이나 험한 날씨에도 잘 작동하고 별 다른 정비가 필요없다.

  • 단점

뒷바퀴 축에만 설치되므로 미끌어지기 쉽다.

스푼 제동기

스푼 브레이크(spoon brake)는 19세기 초 자전거에 쓰이던 옛날 제동 방식이다. 패드로 앞 타이어 위를 누르는 방식으로 타이어가 많이 닳았다.

오리 제동기

덕 브레이크(duck brake)는 1897년 발명되었다.

각주

  1. John Forester. "SAFE" BRAKES THAT BURN UP”. 2010년 6월 5일에 확인함. 


This article uses material from the Wikipedia article "자전거 제동기", which is released under the Creative Commons Attribution-Share-Alike License 3.0. There is a list of all authors in Wikipedia

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Rowing
• Rowing (sport)
• Gig racing
• Coastal and ocean rowing
• Surfboat
• Single scull
Other paddling sports
• Dragon boat racing
• Stand up paddle boarding
• Water polo
• Canoe polo
• Waboba

Underwater
• Underwater football
• Underwater rugby
• Underwater hockey

Competitive swimming
• Backstroke
• Breaststroke
• Butterfly stroke
• Freestyle swimming
• Individual medley
• Synchronized swimming
• Medley relay

Kindred activities
• Bifins (finswimming)
• Surface finswimming

Subsurface and recreational
• Apnoea finswimming
• Aquathlon (underwater wrestling)
• Freediving
• Immersion finswimming
• Scuba diving
• Spearfishing
• Snorkelling
• Sport diving (sport)
• Underwater hockey
• Underwater orienteering
• Underwater photography (sport)
• Underwater target shooting
Diving
• Cliff diving
• Diving

Weightlifting
• Basque traditional weightlifting
• Bodybuilding
• Highland games
• Olympic weightlifting
• Powerlifting
• Strength athletics (strongman)
• Steinstossen

Motorized sports
• Autocross (a.k.a. Slalom)
• Autograss
• Banger racing
• Board track racing
• Demolition derby
• Desert racing
• Dirt track racing
• Drag racing
• Drifting
• Folkrace
• Formula racing
• Formula Libre
• Formula Student
• Hillclimbing
• Ice racing
• Kart racing
• Land speed records
• Legends car racing
• Midget car racing
• Monster truck
• Mud bogging
• Off-road racing
• Pickup truck racing
• Production car racing
• Race of Champions
• Rally raid
• Rallycross
• Rallying
• Regularity rally
• Road racing
• Short track motor racing
• Snowmobile racing
• Sports car racing
• Sprint car racing
• Street racing
• Stock car racing
• Time attack
• Tractor pulling
• Touring car racing
• Truck racing
• Vintage racing
• Wheelstand competition

Motorboat racing
• Drag boat racing
• F1 powerboat racing
• Hydroplane racing
• Jet sprint boat racing
• Offshore powerboat racing
• Personal water craft

Motorcycle racing
• Auto Race
• Board track racing
• Cross-country rally
• Endurance racing
• Enduro
• Freestyle motocross
• Grand Prix motorcycle racing
• Grasstrack
• Hillclimbing
• Ice racing
• Ice speedway
• Indoor enduro
• Motocross
• Motorcycle drag racing
• Motorcycle speedway
• Off-roading
• Rally raid
• Road racing
• Superbike racing
• Supercross
• Supermoto
• Supersport racing
• Superside
• Track racing
• Trial
• TT racing
• Free-style moto

Marker sports
• Airsoft
• Archery
• Paintball
• Darts

Musical sports
• Color guard
• Drum corps
• Indoor percussion
• Marching band

Fantasy sports
• Quidditch
• Hunger Games(Gladiating)
• Pod Racing
• Mortal Kombat(MMA)

Other
• Stihl Timbersports Series
• Woodsman

Overlapping sports
• Tennis
• Polocrosse
• Badminton
• Polo

Skating sports
• Aggressive inline skating
• Artistic roller skating
• Figure skating
• Freestyle slalom skating
• Ice dancing
• Ice skating
• Inline speed skating
• Rinkball
• Rink hockey
• Roller derby
• Roller skating
• Short track speed skating
• Skater hockey
• Speed skating
• Synchronized skating

Freestyle skiing
• Snowboarding
• Ski flying
• Skibob
• Snowshoeing
• Skiboarding