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抓具已在各个部门广泛应用。它分为电动葫芦驱动的(ВМГ—5、ВМГ—10、МЛТИ—10/5和МЛТИ—20)、液压驱动的(ГГ—5)和具有中心螺旋的单头丝杠驱动的(ГМЛ—4和ГМЛ—5),以及茨尼麦设计的端面结构木材抓具。使用经验证明,尽管抓具有很高的生产率,但缺点是个别组件(如液压缸、标准电动葫芦等)的可靠性差,同时很难得到备件。莫斯科森工学院研制出一种新的木材抓具。该抓具腭爪的开闭是通过对称布置的螺旋推杆来实现的。它直接作用在腭爪上,使之产生较大的抓取力,这样可以保证腭爪具有最大的转动力矩,因此该抓具抓取特性较好。
Grabs have been widely used in various departments. It is divided into electric hoist driven (ММ-4, ВМГ-10, МЛТИ-10/5 and МЛТИ-20), hydraulically driven (ГГ-5) and single head screw driven And ГМЛ-5), as well as Zimmer’s end-face structural wood gripper. Experience has shown that despite the high productivity of grips, the disadvantage is the poor reliability of individual components (eg hydraulic cylinders, standard electric hoists, etc.) and the difficulty of obtaining spare parts. Moscow Polytechnic Institute developed a new wood gripper. The jaw pawl is opened and closed by a symmetrical arrangement of the screw plunger. It acts directly on the palatal paw, making it produce a greater grip, which can ensure that the palatal pawl has the greatest torque, so the grasping characteristics of the grasping better.