| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a truck for maintenance structured so as to automatically apply parking brake on two of a pair of front and rear bogie trucks at the same time when disconnected from a motor car and discharging compressed air into the atmosphere, and also so as to easily release the parking brakes only when moved.SOLUTION: The truck for maintenance where a loading platform frame 1 is supported by a pair of front and rear bogie trucks 2, 2, is structured so that an air brake cylinder swinging a first swing arm with compressed air is mounted on the loading platform frame 1, mechanical brake link mechanisms 20, 20 interlocked and connected with rod bars are set on the bogie trucks 2, 2 respectively, parking brakes are simultaneously applied on two of the pair of front and rear bogie trucks 2, 2 by resilient biasing force of a coil spring, and also the parking brake on two of the pair of front and rear bogie tracks 2, 2 are simultaneously released by parking-brake manually-releasing means 10 in disconnection-holding state.</p> |
