The invention belongs to the technical field of small rail cars, and particularly relates to a roller device which comprises a frame body, two swing frames are hinged to the frame body, wheels are arranged between the swing frames, each swing frame comprises a mounting plate and a supporting plate, the mounting plates are hinged to the frame body, the supporting plates are fixed to one sides of the mounting plates, and two guide rods are arranged between the supporting plates and the frame body. The other end of the guide rod extends out of the frame body and is provided with a limiting piece; the guide rod is sequentially sleeved with a limiting block, a spring and a limiting seal head, and the spring is arranged between the limiting block and the limiting seal head; the frame body is provided with a limiting groove which corresponds to the limiting end socket and is matched with the arc face of the outer side of the limiting end socket. The self-counterweight trolley comprises a trolley body and the roller devices, the multiple roller devices are fixedly installed on the trolley body, and the self-counterweight trolley is installed in the counterweight #-shaped frame. Buffering is provided through the spring when the self-balance weight trolley moves up and down and suddenly stops, and the trolley structure is protected.
本发明属于轨道小车技术领域,具体涉及一种滚轮装置,包括架体,架体上铰接有两个摆动架,摆动架之间设置车轮,摆动架包括安装板和支板,安装板与架体铰接,安装板一侧固定支板,支板与架体之间设有两个导向杆,导向杆一端连接支板、另一端伸出架体设有限位件;导向杆上依次套设限位块、弹簧和限位封头,限位块与限位封头之间设置弹簧;架体上开设有与限位封头相对应且与限位封头外侧弧面匹配的限位槽;一种自配重小车,包括车体和上述滚轮装置,多个滚轮装置固定安装在车体上,自配重小车安装在配重井字架内。本发明通过弹簧在自配重小车上下移动及急停时提供缓冲,保护小车结构。
Roller device and self-counterweight trolley
一种滚轮装置及自配重小车
2025-02-07
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
Shore crane balance energy-saving system and counterweight trolley protection device
European Patent Office | 2022
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