Protective device for landscaping construction
The utility model relates to a protection device for landscaping construction, which comprises four support cylinders, the inner sides of the four support cylinders are fixedly connected with electric push rods, the top ends of the four electric push rods are fixedly connected with movable push bloc...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a protection device for landscaping construction, which comprises four support cylinders, the inner sides of the four support cylinders are fixedly connected with electric push rods, the top ends of the four electric push rods are fixedly connected with movable push blocks, the tops of the four movable push blocks are fixedly connected with movable rods, and the movable rods are fixedly connected with movable rods. The top ends of the four movable rods are fixedly connected with limiting frames, the inner sides of the limiting frames are movably connected with protective nets, the inner sides of the four limiting frames are in threaded connection with movable screw rods, the bottom ends of the four movable screw rods are fixedly connected with rolling bearings, and the bottoms of the four rolling bearings are fixedly connected with movable clamping blocks; and the top ends of the four movable screw rods are fixedly connected with movable rotating handles. The protection device for |
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