Surveying and mapping level gauge for mining subsidence area of coal mine area
A mining subsidence and leveling technology, which is used in surveying and mapping, navigation, instruments, measuring devices, etc., can solve the problems of difficult adjustment, uneven hardness and hardness, and the surface is trapped in the soil, so as to reduce the difficulty of cleaning, improve the subsidence, The effect of improving detection accuracy
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[0058] As an embodiment of the present invention, the transmission mechanism 5 includes:
[0059] No. 1 chute 51, the No. 1 chute 51 is opened inside the support rod 3;
[0060] No. 1 slider 52, the No. 1 slider 52 is matched with the No. 1 chute 51;
[0061] A push-pull rod 53, one end of the push-pull rod 53 is rotatably connected with one end of the No. 1 slider 52 away from the No. 1 chute 51;
[0062] As an embodiment of the present invention, the reducing mechanism 4 includes:
[0063] an annular hollow block 41, the annular hollow block 41 is disposed at one end of the support rod 3 away from the level body 1;
[0064] No. 1 mounting rod 42, the No. 1 mounting rod 42 is rotatably connected to the inner ring surface of the annular hollow block 41;
[0065] No. 1 fixing rod 43, the No. 1 fixing rod 43 is fixedly connected with the upper surface of the No. 1 mounting rod 42;
[0066] An arc-shaped pull rod 44, the arc-shaped pull rod 44 is fixedly connected with the No...
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