| 主权项 |
1. A self-adjusting supporting head, comprising a vehicle body lifting column (10) and a load-bearing detection device arranged on the vehicle body lifting column (10), the load-bearing detection device comprises a spring supporting plate (5), a spring (6), a limiting switch tip (8), a load limiting switch (9) and a floating load-bearing adjusting device, the floating load-bearing adjusting device is mounted at the top of the vehicle body lifting column (10) and the spring supporting plate (5) is arranged below the floating load-bearing adjusting device, the spring (6) is mounted on the periphery of the spring supporting plate (5), the upper end of the limiting switch tip(8) is connected to the spring supporting plate (5) and on the low end side is provided with a load limiting switch (9), wherein the floating load-bearing adjusting device comprises a floating load-bearing block (1), a floating load-bearing mounting base (2) and a floating connector, the floating load-bearing block (1) is mounted at the upper end of the vehicle body lifting column (10), the floating load-bearing block mounting base (2) is mounted below the floating load-bearing block (1), the floating load-bearing block (1) is connected with the floating load-bearing block mounting base (2) by a floating connector, and the floating load-bearing block(1) is in spherical fit with the floating load-bearing block mounting base(2), a floating gap is formed by the floating connector between the floating load-bearing block (1) and the floating load-bearing block mounting base (2). |
