Active protection device for crane arm breaking and falling
A technology of active protection and boom, which is applied to cranes and other directions, can solve the problems of hidden dangers to the safety of construction personnel, casualties, and large numbers of casualties, etc., to reduce casualties and property losses, ensure normal operation, and simple implementation Effect
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[0013] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0014] Depend on Figure 1 to Figure 5 Given, the present invention comprises the boom 1 that is horizontally arranged, the boom 1 is provided with the chute 2 consistent with the length direction of the boom 1, the steel wire rope 3 consistent with the length direction of the boom 1 is arranged in the chute 2, and the steel wire rope 3 The right end is connected with the boom 1, the steel wire rope 3 is equipped with a plurality of sliders 4 that can slide left and right in the chute 2, the slider 4 is equipped with a rack 5 placed below the slider 4, and the length direction of the rack 5 is in line with the The length direction of the boom 1 is consistent, the boom 1 is equipped with a gear 6 meshing with the rack 5, the gear 6 is placed under the rack 5, and the gear 6 is equipped with a screw 7 coaxially arranged wi...
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