Motorized winch with good braking effect
A technology of braking effect and winch mill, applied in the direction of the spring mechanism, hoisting device, etc., can solve the problems of poor braking effect, etc., and achieve the effect of large contact surface, high efficiency and sensitive braking
Inactive Publication Date: 2016-04-27
姜有福
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Problems solved by technology
The output shaft of the transmission with this structure is braked by brake pads, and the braking effect is poor.
Method used
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[0009] Such as figure 1 , 2 As shown in , 3, the motorized winch mill with good braking effect mainly includes frame 1, gasoline engine as power device 2, elastic coupling device 3, clutch 4, transmission 5, overrunning brake 6, involute one Tooth difference planetary reducer 7, grinding cylinder 8.
[0010] The overrunning brake 6 is connected to the output shaft 5-1 of the transmission 5, and the overrunning brake 6 includes a gear nut pay 6-10, a star wheel sleeve 6-1, a star wheel seat 6-2, a star wheel 6-3, an insert ring 6-4, the gear nut 6-10 is connected to the output shaft 5-7 of the transmission 5, and the end of the star wheel sleeve 6-1 away from the gear nut 6-10 is supported on the output shaft 5-7 of the transmission 5 through bearings , the star wheel seat 6-2 is fixed on the output shaft 5-7 of the transmission 5 through the flat key 6-5, the star wheel seat 6-2 is set in the star wheel sleeve 6-1, and the star wheel 6-3 is installed in the star wheel Insid...
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The invention relates to the technical field of electric power machine tools, in particular to a motorized winch with a good braking effect. The motorized winch with the good braking effect comprises a rack, a speed changer and a winch cylinder. An overrunning brake is connected to an output shaft of the speed changer; the overrunning brake comprises a gear-nut pair, a star wheel sleeve, a star wheel seat, a star wheel and an inlaid ring; the gear-nut pair is connected to the output shaft of the speed changer; the end, far away from the gear-nut pair, of the star wheel sleeve is supported on the output shaft of the speed changer through a bearing; the star wheel seat is fixed to the output shaft of the speed changer through a flat key; the star wheel seat is arranged in the star wheel sleeve; the star wheel is mounted in the star wheel seat; a rolling needle is disposed between the star wheel and the star wheel seat; the inlaid ring is mounted on the outer side of the star wheel and connected with the star wheel sleeve; a plurality of roller moving grooves are formed in the star wheel in the peripheral direction; a roller is arranged in each roller moving groove; star wheel friction plates are connected to the two sides of the star wheel respectively; and the inlaid ring is tensioned or loosened through the multiple rollers. By means of the overrunning brake, the motorized winch with the good braking effect has the characteristics of being resistant to abrasion, large in contact area, sensitive to braking, reliable, high in efficiency and the like.
Description
technical field [0001] The invention relates to the technical field of electric power tools, in particular to a winch mill used for erecting towers, pulling and setting out wires, etc. in the construction and maintenance of electric power and post and telecommunications lines. Background technique [0002] Existing winch mill mainly comprises frame, power unit, clutch, speed changer, speed reducer and grinding cylinder, power unit is installed on the frame, the output shaft of power unit and the input shaft of speed changer are driven by belt pulley and belt, speed changer The input shaft is connected with the clutch, the output shaft of the transmission is connected with the reducer, and the output shaft of the reducer is connected with the grinding cylinder. The output shaft of the speed changer of this structure is braked by brake pads, and the braking effect is poor. Contents of the invention [0003] The object of the present invention is to provide a motorized winch...
Claims
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IPC IPC(8): B66D1/00B66D5/02
Inventor 姜有福
Owner 姜有福