Seedling cultivation protection device for modern forestry planning
The utility model discloses a seedling cultivation protective device for modern forestry planning in the technical field of modern forestry planning, which comprises a first support column and a second support column which are symmetrical and parallel, the bottom ends of the first support column and...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
08.04.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a seedling cultivation protective device for modern forestry planning in the technical field of modern forestry planning, which comprises a first support column and a second support column which are symmetrical and parallel, the bottom ends of the first support column and the second support column are fixedly connected with a base, and the inner side of the second support column is fixedly connected with two groups of protective sleeve rods. The inner side of the first supporting column is fixedly connected with two sets of protective movable rods which are movably inserted into the protective sleeve rods, the inner side of the second supporting column is fixedly connected with a threaded cylinder, the inner side of the first supporting column is rotationally connected with a threaded rod which is inserted into the threaded cylinder in a threaded mode, and a rotating assembly is arranged on the first supporting column. The width of the seedling raising frame can be adjusted accordi |
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Bibliography: | Application Number: CN202122577401U |