Gear transmission assembly
A technology of gear transmission and transmission parts, which is applied in the direction of gear transmission, transmission, belt/chain/gear, etc., can solve the problem that the gear transmission components cannot be effectively overloaded, and achieve simple structure, easy installation and maintenance, and reliable operation Effect
Active Publication Date: 2011-05-04
OCEANS KING LIGHTING SCI&TECH CO LTD +1
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide a gear transmission assembly capable of overload protection and self-compensating with damping in view of the defect that the above-mentioned ordinary gear transmission assembly in the prior art cannot perform effective overload protection
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[0018] The present invention provides a gear transmission assembly with overload protection, which itself has a damping self-compensation function. The preferred embodiment of the present invention is as follows figure 1 As shown, this gear transmission assembly includes a rotating shaft 10 and a friction plate 20, a gear 30, a butterfly spring 40, a sheath 50, a plastic gasket 60, a flat washer 60, a screw sleeve 70 and a gear meshing The worm 80.
[0019] Wherein, the rotating shaft 10 is provided with a position-limiting structure. In this embodiment, the flange 11 is formed in the middle of the rotating shaft 10 . In this embodiment, the limiter is a threaded sleeve 70, which is used to limit the friction plate 20, the gear 30 and the disk spring 40 so that the three are in close contact and prevent the rear end of the disk spring 40 from moving in the direction of the shaft end. In order to prevent the wear between the contact surfaces of the screw sleeve 70 and the disk...
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The invention provides a gear transmission assembly comprising a rotating shaft (10) and a gear (30) sleeved on the rotating shaft (10) and used for transmission, wherein the gear (30) is meshed and connected with a transmission part. The gear transmission assembly is characterized by further comprising a friction sheet (20), a disc spring (40) and a limiting part, wherein one side of the friction sheet (20) is in tight contact with a limiting structure fixedly arranged on the rotating shaft (10), one end face of the disk spring (40) presses the gear (30) towards the other side of the friction sheet (20), and the limiting part supports against the other end face of the disk spring (40) and is used for limiting the end face from transposition along the axial direction. In the invention, byadopting the connection modes of the disc spring, the friction sheet and the like, when overload occurs, relative rotation is generated between the gear and the rotating shaft, and the assembly can keep stable transmission through self compensation, therefore, the gear transmission assembly is well protected when overload occurs. Meanwhile, the gear transmission assembly has the characteristic ofsimple structure, convenience of installation and maintenance and the like.
Description
technical field [0001] The invention relates to the field of gear transmission, and more specifically relates to a gear transmission assembly with overload protection function. Background technique [0002] Most of the current gear transmission components are connected by key or spline to ensure the transmission of rotational torque, but this type of transmission component itself has no overload protection. When the gear is overloaded, the key or spline will be sheared or the gear and the shaft will be damaged. The keyway on the shaft is pulled and deformed, causing relative rotation between the gear and the shaft, thereby destroying the stability and effectiveness of the transmission. The existing gear drive anti-overload method is usually to add related limit signals to the motor, and then control the rotation of the motor to limit the position. This increases the cost, and the structure and circuit are relatively complicated. Contents of the invention [0003] The tech...
Claims
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IPC IPC(8): F16H1/04F16H1/16F16H35/10
Inventor 周明杰吴会利
Owner OCEANS KING LIGHTING SCI&TECH CO LTD