Traction connecting device

The utility model provides a traction connecting device which comprises a traction ring assembly, a traction connecting support assembly, a left pull arm, a right pull arm, an upper pull arm, a damper, a pin shaft, a fluted disc shaft, a handle and a plug pin. The left pull arm, the right pull arm and the upper pull arm form a parallelogram structure, cushion blocks are welded to the front ends of the left pull arm, the right pull arm and the upper pull arm, fluted discs are welded to the rear ends of the left pull arm, the right pull arm and the upper pull arm, and traction height is adjusted and positioned through the fluted discs. The parallelogram height-adjustable device of the traction connection device is fixed through the single fluted disc and is safe and reliable to use, and the height is convenient and fast to adjust. 本实用新型提出一种牵引连接装置，包括牵引环总成、牵引连接支架总成、左右拉臂、上拉臂、阻尼器、销轴、齿盘轴、手柄和插销。通过左右拉臂和上拉臂形成平行四边形结构，左拉臂、右拉臂和上拉臂前端焊接垫块，后端焊接齿盘，通过齿盘调整和定位牵引高度。本实用新型牵引连接接装置的平行四边形高度可调装置，通过单齿盘固定，使用安全可靠，高度调节方便快捷。