Multi-operating condition chain tensioning device
A chain tensioning device and multi-working-condition technology, which is applied in transmission devices, belts/chains/gears, mechanical equipment, etc., can solve problems such as lack of tension and wear of chain plates, and achieve small rolling friction and reduced The effect of chain wear
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[0028] Example: such as figure 1 As shown, a multi-working condition chain tensioning device includes a pair of brackets fixed on the frame 1 with guide grooves, and a roller device 3 that can press the chain 2 on the brackets. Both ends of the shaft 32 are symmetrically fixed with two sawtooth discs 4 whose outer contours gradually expand outward, and are provided with an elastic jacking device that can promote the rotation of the sawtooth discs 4 so that the sawtooth is pushed against the edge of the support 5 6. The support 5 is fixedly connected to the frame 1; the frame 1 is provided with an elastic lifting device 7 that can be pressed against the support shaft 32 of the roller so that the support shaft and the roller push against the chain 2.
[0029] Such as figure 2 As shown, the two ends of the supporting shaft 32 of the roller 31 are installed in the guide groove of the bracket 11 through the bushing 33, and the roller 31 is connected with the supporting shaft 32 b...
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