Sleeve tapping chuck of mini-tiller
A technology of tapping chuck and micro-tiller, which is applied to agricultural machinery, agricultural machinery and implements, and applications, and can solve problems affecting production efficiency and cutting force damage of taps, etc.
Inactive Publication Date: 2015-04-01
CHONGQING CANHONG MACHINERY MFG
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- Claims
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Problems solved by technology
[0003] A sleeve is arranged on the tiller to connect the traveling wheel and the power take-off shaft, and threaded holes need to be processed in the sleeve so that the connection can be fastened on the power take-off shaft by screws. When tapping, the tap is often broken due to the sudden increase of the cutting force, which greatly affects the production efficiency
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[0012] The present invention will be described in further detail below by means of specific embodiments:
[0013] The reference signs in the drawings of the specification include: tapered handle 1, screw sleeve 2, tapered friction plate 3, nut 4, set screw 5, transmission shaft 6, snap spring 7, steel ball 8, clutch sleeve 9, set screw 10, inner sleeve 11, tapered surface 12.
[0014] The embodiment is basically as figure 1 As shown: the sleeve tapping chuck of the tiller includes a tapered handle 1, a screw sleeve 2, a tapered friction plate 3, a nut 4, a set screw 5, a transmission shaft 6, and a clamp arranged in sequence from top to bottom in the axial direction. Spring 7, steel ball 8, clutch sleeve 9, fixing screw 10 and inner sleeve 11, the upper end of the taper handle has a taper, the taper surface of the taper handle is No. 3 Morse taper, Morse taper is an international standard for taper, used for static Fit for precise positioning. Because the taper is very smal...
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The invention discloses a sleeve tapping chuck of a mini-tiller. The sleeve tapping chuck comprises a taper shank, a screw barrel, a conical friction plate, a nut, a set screw, a transmission shaft, a steel ball, a clutch sleeve, a fastening screw and an inner sleeve which are arranged from top to bottom in sequence along the axial direction, wherein the upper end of the taper shank has taper; the lower end of the taper shank is fixedly provided with the screw barrel with external threads; the screw barrel is provided with an internal conical surface; the upper end of the transmission shaft is circumferentially connected with the conical friction plate; the outer conical surface of the conical friction plate is matched with the inner conical surface of the screw barrel; the nut is fixed to the transmission shaft by a locking screw; the lower end of the transmission shaft is provided with a groove for accommodating the inner sleeve; the outer edge of the inner sleeve and the side wall of the groove are circumferentially and uniformly provided with a plurality of conical holes for accommodating half steel balls; the upper end of the clutch sleeve is in threaded connection with the lower end of the transmission shaft, and the lower end of the clutch sleeve is provided with an annular groove for accommodating a half steel ball; the side wall of the inner sleeve is provided with the fastening screw. According to the scheme, the sleeve tapping chuck has a simple structure and is convenient and fast, a screw tap can be protected from being broken due to suddenly increasing cutting force, and the production efficiency is greatly improved.
Description
technical field [0001] The invention relates to a sleeve tapping chuck of a tiller. Background technique [0002] Tillers are powered by small diesel engines or gasoline engines, and have the characteristics of light weight, small size, and simple structure. Tillers are widely used in dry land, paddy fields, orchards, etc. in plains, mountains, and hills. Equipped with corresponding equipment, it can be used for pumping, power generation, spraying, spraying and other operations, and can also be towed for short-distance transportation. The tiller can be used freely in the field, which is convenient for users to use and store, eliminating the need for large-scale agricultural machinery to enter The troubles of mountainous fields are the best choice for farmers and consumers to replace cattle plowing. [0003] A sleeve is arranged on the tiller to connect the traveling wheel and the power take-off shaft, and threaded holes need to be processed in the sleeve so that the connec...
Claims
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IPC IPC(8): A01B71/06
Inventor 赵子明
Owner CHONGQING CANHONG MACHINERY MFG