The invention provides a worm-gear winch, which belongs to the technical field of machinery and solves the problems of troublesome cleaning and low binding firmness degree of conventional winches. The worm-gear winch comprises a support frame, wherein the side part of the support frame is fixedly connected with a box body; and a worm gear and a worm which are mutually engaged are arranged in the box body. The winch also comprises three belt shafts, wherein a gap is formed between every two adjacent belt shafts; the three belt shafts are connected with the worm gear through a connecting head and a connecting plate; the connecting head is solid; one end of the connecting head is provided with three positioning concave openings; one through hole and three positioning holes are formed in the connecting plate; the three positioning holes are communicated with the through hole, and the length of a communicating part is smaller than the diameter of the positioning holes; one positioning hole and one corresponding positioning concave opening form one installing hole; one end of each belt shaft is inserted into the corresponding installing hole; the belt shafts, the connecting head and the connecting plate are welded into an integral structure; and the other end of the connecting head is connected with the worm gear. The worm-gear winch has the advantages that the cleaning is convenient, and the binding firmness degree is high.
Worm-gear winch
2015-08-26
Patent
Elektronische Ressource
Englisch
IPC: | B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS |
Engineering Index Backfile | 1928
Gear box of petroleum drilling machine winch and winch adopting gear box
Europäisches Patentamt | 2015
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