Lifting pole of lighting vehicle
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ε¨δΊ¬θ
- Publication Date
- 2005-01-05
- Estimated Expiration
- Not applicable Β· inactive patent
Smart Images
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Abstract
Description
Technical field:
[0001] The invention relates to a stable lifting, safe and reliable lighting vehicle lifting column. Background technique:
[0002] At present, the known lifting columns of lighting vehicles using pneumatic springs fix the lock and hook respectively on the first lifting cylinder and the last lifting cylinder and lock them to compress the pneumatic spring. When the hook and lock are opened, the lifting cylinder rises. , at this time, under the action of the pneumatic spring, several lifting cylinders rise rapidly. Because the top of the lifting cylinder is fixed with a lighting lamp, the weight is heavy, so the lighting lamp will swing left and right when it rises rapidly. In addition, when the surrounding environment is not clearly seen , Unintentionally opening the hook just may cause an accident, which is very dangerous and extremely unsafe. At the same time, if the lifting cylinder is to be lowered, the handle must be pulled hard to press down to compress...