知搜-全球专利检索

  1. 登录
  2. 注册
发明公开
CN103288011A 一种便携式变压器起吊机的起升装置 无效 - 撤回

一种便携式变压器起吊机的起升装置
摘要：
本发明公开了一种便携式变压器起吊机的起升装置，包括车架、一货插、两个链轮、两根链条及升降油缸。车架包括一底座、一固定在底座上的外门架及一可滑动地安装在外门架上的内门架。外门架包括一对立柱及一根跨接在一对立柱的上部后侧的托架；内门架包括一对直梁和一根横梁，该内门架的直梁可滑动地安装在外门架的一对立柱的内侧面上；货插可滑动地安装在内门架的一对直梁的内侧面上；两个链轮可转动地吊装在内门架的横梁上；两根链条一一对应地绕过两个链轮且一端连接在外门架的托架上、另一端连接在货插上；升降油缸固定在底座上，该升降油缸的活塞杆的上端连接在内门架的横梁上。本发明的起升装置能保证起吊机的升降平稳可靠。
摘要（英）：

The invention discloses a portable lifting device of a transformer lifting machine. The portable lifting device of the transformer lifting machine comprises a frame, a goods fork, two chain wheels, two chains and a lifting cylinder. The frame comprises a base, an outer door frame fixed on the base and an inner door frame installed on the outer door frame in a sliding mode; the outer door frame comprises a pair of stand columns and a bracket connected on the rear sides of the upper portions of the pair of stand columns in a bridging mode; the inner door frame comprises a pair of straight beams and a cross beam; the straight beams of the inner door frame are installed on the inner lateral sides of the pair of stand columns of the outer door frame in a sliding mode; the goods fork is installed on the inner lateral sides of the pair of straight beams of the inner door fame in a sliding mode; the two chain wheels are hung on the cross beam of the inner door frame in a rotating mode; the two chains wind around the two chain wheels in a one-to-one correspondence mode, one end of each chain is connected to the bracket of the outer door frame, and the other end of each chain is connected to the goods fork; the lifting cylinder is fixed on the base; the upper end of the piston rod of the lifting cylinder is connected to the cross beam of the inner door frame. The portable lifting device of the transformer lifting machine can guarantee smooth, stable and reliable lifting of the lifting machine.

0/0