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我们与县石岛车辆厂于去年研制了一吨机械式全自卸拖车。这种拖车具有结构简单,操作方便,卸得快,卸得净等优点。目前在我县大批生产,并在烟台地区推广。该机是在我县生产的配泰山—12型四轮拖拉机的一吨挂车基础上改制的。改制时将原牵引架改为铰链牵引,并增设了机械半“詹天佑”式挂钩。这种挂钩由钩体、锁钩、锁块及操作杆组成(图1)。工作时,当松开操纵把,锁块在弹簧的拉力下,向下转动,而锁钩则向上转动并张开,使锁块与锁钩脱开;当作用力 P 压到锁钩上时,迫使锁钩按“詹天佑”挂钩原理将车箱与牵引架锁紧,见图2。
Last year, we developed a ton of mechanical dump truck with Shidao Vehicle Factory. This trailer has the advantages of simple structure, convenient operation, quick unloading, unloading and so on. At present, a large number of production in our county, and promotion in Yantai. This machine is produced in our county with Taishan -12 four-wheel tractor on the basis of a ton of trailer restructuring. When the restructuring of the original traction frame to hinge traction, and the addition of a mechanical half “Zhan Tianyou ” style hook. This hook by the hook body, lock hook, lock block and lever composition (Figure 1). In operation, when the control handle is released, the locking block rotates downwards under the tension of the spring, and the locking hook rotates upwards and widens to release the locking block from the locking hook. When the force P is pressed onto the locking hook , Forcing the hook by “Zhan Tianyou ” hook the principle of the car and the traction frame locking, see Figure 2.