Electric chain saw chain elasticity adjusting device
A technology of elastic adjustment and adjustment device, which is applied in the direction of sawing machine, metal sawing equipment, metal processing equipment, etc. It can solve problems such as detachment from the chain plate, safety accidents, and loose chains, so as to avoid potential safety hazards and enhance operability Effect
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[0018] Such as Figure 1 to Figure 3 As shown, the electric chain saw chain tightness adjustment device includes a frame 1, a sprocket 2, a chain plate 3 and a chain 4, and the sprocket is connected to the frame, and the chain plate is arranged on the frame. The chain is set on the chain plate and driven by the sprocket. The chain plate is provided with an adjusting device that adjusts the distance between the chain plate and the sprocket to loosen or tighten the chain. The adjusting device includes a worm gear that drives the chain plate to move. device and a limit device that makes the chain plate move back and forth relative to the frame.
[0019] Described worm gear device comprises worm gear 51, worm screw 52 and adjusting nut 53, and described worm gear is arranged on the frame, and described worm screw is arranged on the frame along the front and back direction of frame and end and worm gear external engagement, and described adjusting The nut is arranged on the worm a...
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