Lamp lifting device
A technology for lifting devices and lamps, which is applied in the direction of lighting devices, lighting auxiliary devices, lighting device components, etc., can solve problems such as affecting lifting, poor stability, and mutual winding, and achieve good functional effects and improve safety and stability.
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Embodiment 1
[0057] A lamp lifting device, comprising a main body and a lamp holder 2 placed under the main body, a traction rope for pulling the lamp holder 2 up and down is also provided in the main body, and a fixing frame 1 is also arranged in the main body, and the feature is that the fixing frame 1 is equipped with a double cable traction and winding device and an anti-winding device. The double-steel cable traction and winding device includes a double-slot steel wire reel 3 and a driving mechanism for driving the rotation of the double-slot steel wire reel 3. The anti-winding device includes a guide mechanism and the reciprocating mechanism used to drive the guide mechanism to reciprocate, the upper end of the traction rope passes through the guide mechanism and is fixedly wound on the double-slot steel wire reel 3, and the lower end of the traction rope is connected to the lamp holder 2.
[0058] This device can control the up and down of the lamp holder 2, and the corresponding lig...
Embodiment 2
[0073] During use, Embodiment 1 still has some defects. For example, in the process of raising or lowering the lamp, there may be problems such as open-loop failure of the stroke, unexpected power failure, jamming of the cable lifting, etc., which will cause damage to the motor 5 or accidents. Problems such as falling, so further improvements are made on the basis of Embodiment 1:
[0074]Between the described motor 5 and the main transmission shaft 6, a reduction box 30 and a transmission protection mechanism are also arranged successively. The output ends are connected, and the other end of the transmission rod 31 is arranged in the sliding sleeve 32, and the end of the transmission rod 31 located in the sliding sleeve 32 is provided with a limit block 34, and the transmission rod 31 is also sleeved with a sleeve connected to the inner wall of the sliding sleeve 32. The blocking sleeve 35, the two ends of the pre-tightening spring 33 are in axial conflict with the limit bloc...
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