Novel dredging rake
The utility model discloses a novel dredging rake. The dredging rake comprises a push-and-pull rod and a plurality of scraping pieces, wherein the push-and-pull rod is arranged vertically, the plurality of scraping pieces are horizontally arranged on the push-and-pull rod, each of the scraping piece...
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| creator | REN DAOGUANG WU XINKUAN |
| description | The utility model discloses a novel dredging rake. The dredging rake comprises a push-and-pull rod and a plurality of scraping pieces, wherein the push-and-pull rod is arranged vertically, the plurality of scraping pieces are horizontally arranged on the push-and-pull rod, each of the scraping pieces is symmetrical about an axis of the push-and-pull rod, scraping pieces comprise an upper half group and a lower half group which are arranged symmetrically, lengths of the upper half group of scraping pieces in a horizontal direction are increased one by one from top to bottom, and lengths of the lower half group of scraping pieces in a horizontal direction are shortened one by one from top to bottom. By the aid of the structure, the motive power for downward pressing of a hydraulic cylinder and the motive power for upward pulling of the hydraulic cylinder are balanced relatively, so that the hydraulic cylinder is at the good working state, the service life is prolonged, and the resistance during dredging can be |
| format | Patent |
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The dredging rake comprises a push-and-pull rod and a plurality of scraping pieces, wherein the push-and-pull rod is arranged vertically, the plurality of scraping pieces are horizontally arranged on the push-and-pull rod, each of the scraping pieces is symmetrical about an axis of the push-and-pull rod, scraping pieces comprise an upper half group and a lower half group which are arranged symmetrically, lengths of the upper half group of scraping pieces in a horizontal direction are increased one by one from top to bottom, and lengths of the lower half group of scraping pieces in a horizontal direction are shortened one by one from top to bottom. 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| language | chi ; eng |
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| subjects | ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING |
| title | Novel dredging rake |
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