The invention relates to a crawling ladder type freight truck, and belongs to the field of crawling ladder freight devices, the crawling ladder type freight truck comprises a truck body provided with a goods shelf and a walking assembly arranged on the car body, the walking assembly comprises main wheels arranged on the truck body, wherein the truck body is provided with a power source for driving the main wheels to rotate; ladder climbing parts movably connected with the main wheels; and a driving part drives the ladder climbing parts to move relative to the main wheels; the driving part configures the ladder climbing parts to be in an extending state and a retracting state, in the extending state, the maximum distance between the ladder climbing parts and the axes of the main wheels are larger than the diameters of the main wheels, and in the retracting state, the maximum distance between the ladder climbing parts and the axes of the main wheels are smaller than the diameters of the main wheels; when moving on the flat ground, the ladder climbing parts are in a retracted state; during ladder climbing, the ladder climbing parts are in a stretching-out state and make contact with stairs, and the main wheels drive the vehicle body to climb the ladder with the ladder climbing parts as a fulcrum. The application has the effect of improving the stability when a stair climbing device walks on the ground.
本申请涉及一种爬梯式运货车,属于爬梯货运装置的领域,其包括设有货架的车身和设置于车身上的行走组件,所述行走组件包括:设置在车身上的主轮,所述车身上设置有驱动主轮旋转的动力源;与主轮活动连接的若干个爬梯件;驱使爬梯件与主轮相对移动的驱动件;所述驱动件将爬梯件配置为伸出状态和缩回状态,在伸出状态下,所述爬梯件与所述主轮轴线的最大距离大于所述主轮的直径,在缩回状态下,所述爬梯件与所述主轮轴线的最大距离小于所述主轮的直径;在平地移动时,所述爬梯件为缩回状态;在爬梯时,所述爬梯件为伸出状态与楼梯接触,所述主轮以爬梯件为支点,驱使车身爬梯。本申请具有提升爬楼装置在地面上行走时的稳定性的效果。
Crawling ladder type delivery truck
一种爬梯式运货车
2021-12-31
Patent
Elektronische Ressource
Chinesisch
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |
Crawling ladder structure movably connected to tank truck and crawling ladder thereof
Europäisches Patentamt | 2021
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