The invention discloses a ground trackless semi-portal double-girder portal crane, and relates to the technical field of cranes, in particular to a ground trackless semi-portal double-girder portal crane, which comprises girders, end beams and sliding rails, the interiors of the girders are slidably connected with a crane carriage, the lower surface of the crane carriage is provided with connecting columns, and the connecting columns are connected with the end beams. A control box is arranged at the end, away from the crane trolley, of the connecting column, a first through hole is formed in the control box, a connecting sliding rod is slidably connected into the first through hole, and a supporting plate is arranged at the upper end of the connecting sliding rod. According to the ground trackless semi-portal double-girder portal crane, through cooperative arrangement of a control box, a connecting sliding rod, a supporting plate, a connecting rack, an adjusting gear, a limiting rack, a rubber anti-skid ring, a transmission shaft rod, a first spring and a first pressure sensor, the ground trackless semi-portal double-girder portal crane has the beneficial effects that overrun operation is prevented; and the operation safety effect is improved.
本发明公开了一种地面无轨道半门式双主梁门式起重机,涉及起重机技术领域,具体为一种地面无轨道半门式双主梁门式起重机,包括主梁、端梁和滑动轨,所述主梁的内部滑动连接有起重小车,起重小车的下表面设置有连接柱,连接柱的远离起重小车的一端设置有控制箱,控制箱的内部开设有第一通孔,第一通孔的内部滑动连接有连接滑杆,连接滑杆的上端设置有支撑板。该地面无轨道半门式双主梁门式起重机,通过控制箱、连接滑杆、支撑板、连接齿条、调节齿轮、限位齿条、橡胶防滑圈、传动轴杆、第一弹簧和第一压力感应器的配合设置,使该地面无轨道半门式双主梁门式起重机具备了防止超限运行,提高运行安全效果。
Ground trackless semi-portal double-girder portal crane
一种地面无轨道半门式双主梁门式起重机
2023-09-05
Patent
Electronic Resource
Chinese