The novel double-beam bridge type crane grab bucket rope blocking device comprises a bucket body, an upper bearing beam, a lower bearing beam, a supporting rod, an upper pulley block, a lower pulley block, a supporting rope and an opening and closing rope, the upper bearing beam and the lower bearing beam are divided into the upper bearing beam and the lower bearing beam, the upper pulley block and the lower pulley block are assembled on the upper bearing beam and the lower bearing beam respectively, and the opening and closing rope capable of driving the bucket body to be opened and closed is arranged between the upper pulley block and the lower pulley block. According to the novel grab bucket rope blocking device of the double-beam bridge type crane, an opening and closing rope is limited through the main eccentric wheel and the auxiliary eccentric wheel, friction of the opening and closing rope is reduced, and the opening and closing rope deflects under the action of the rotating part by means of eccentricity generated by the main eccentric wheel and the auxiliary eccentric wheel in the tensioning process; the friction stress point of the opening and closing rope and the force in the rope winding and unwinding direction both act on the main eccentric wheel and are always the same as the rotation direction of the main eccentric wheel, so that friction is reduced, the service life of the opening and closing rope is prolonged, the effect of restraining the opening and closing rope is achieved, and the use scene of a larger opening and closing rope bending angle is met.
本发明公开了一种新型双梁桥式起重机抓斗挡绳装置,包括斗体,上、下承梁、撑杆、上、下滑轮组、支持绳和开闭绳,所述上、下承梁分为上承梁和下承梁,上、下承梁上分别装配有上、下滑轮组,上、下滑轮组之间设置有能够驱动斗体开闭的开闭绳。该新型双梁桥式起重机抓斗挡绳装置,通过主偏心轮和辅偏心轮限位开闭绳,减少开闭绳摩擦,利用开闭绳在拉紧过程中主偏心轮和辅偏心轮产生的偏心,在转动部件的作用下发生偏转,使开闭绳的摩擦受理点和收放绳时方向的力均作用在主偏心轮上,且与主偏心轮的转动方向始终一直,从而达到减少摩擦,延长开闭绳使用寿命的同时,达到约束开闭绳的效果,且满足更大的开闭绳弯折角使用场景。
Novel grab bucket rope blocking device of double-beam bridge type crane
一种新型双梁桥式起重机抓斗挡绳装置
25.03.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B66C Krane , CRANES |