| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an antitheft device for hydraulic shovel, which is developed for preventing beforehand burglar of the hydraulic shovel known as a civil construction machine. SOLUTION: In the hydraulic shovel equipped with a pair of travelling levers 1, 2, which can perform inclining operation in a neutral position NP and in the front and rear direction individually, the antitheft device for hydraulic shovel is provided with a travelling lever locking mechanism 3 for maintaining the travelling operation of the hydraulic shovel in a disabled condition by locking a pair of the travelling levers at the neutral position, the travelling lever lock mechanism contains a pair of arms 4, 5 fixed to a pair of the travelling levers and a fixing column 6 fixed to the vehicle body of the hydraulic shovel, a through-hole for aligning a pair of arms and a fixing column in a line is provided in the condition that a pair of the travelling levers are located on the neutral position and that a lock key member 10 is detachably inserted in the penetration hole.</p> |
