Mechanical overload protection device

An overload protection and mechanical technology, applied in the direction of mechanical equipment, transmission devices, automatic clutches, etc., can solve the problems of motor burnout, end rotating parts damage, transmission jamming, etc., and achieve the effect of avoiding transmission jamming and preventing fault escalation

Pending Publication Date: 2018-03-27
苏州甘鲁机电科技有限公司
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  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above-mentioned problems in the prior art, the object of the present invention is to provide a mechanical overload protection device with a simple structure that can cut off the torque transmission when the load is overloaded, so as to effectively solve the transmission jam and the terminal rotation caused by the motor stall. parts damage and motor burnout etc.

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  • Mechanical overload protection device

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specific Embodiment

[0031] The invention provides a mechanical overload protection device with simple structure and capable of cutting off the transmission of torque when the load is overloaded, thereby effectively solving the problems of transmission jamming, damage to end rotating parts caused by motor stalling, and motor burnout.

[0032] see figure 1 , the mechanical overload protection device includes a drive pinion 10, an overload protection member 20 and a driven pinion 30, wherein the drive pinion 10 is used to connect with a power source to input power, where the power source is generally a motor, and the drive pinion 10 is connected with the output end of the motor, so as to input the power provided by the motor to the transmission system. The driven ring gear 30 is used to connect with an external load, so as to output power to the outside, and the driven ring gear 30 is sleeved on the outside of the driving gear shaft 10 .

[0033] In the prior art, the driven ring gear 30 is directl...

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Abstract

The invention relates to a mechanical overload protection device, which comprises a driving gear shaft, an overload protection part and a driven ring gear. The driving gear shaft is provided with the first transmission teeth distributed along its circumference, the first arc-shaped groove is formed between the adjacent first transmission teeth, the arcs of the adjacent first arc-shaped grooves are tangent, and the overload protection part is set Located on the drive gear shaft, the overload protection member includes a plurality of elastic cylinders. The driven ring gear is sleeved on the overload protector, and the inner wall of the driven ring gear close to the overload protector is provided with second transmission teeth distributed along its circumference, and a second arc-shaped groove is formed between the adjacent second drive teeth , the arcs of adjacent second arc-shaped grooves are tangent. The elastic cylinder is placed between the first arc-shaped groove and the second arc-shaped groove, and the elastic cylinder is coaxial with the central axes of the first arc-shaped groove and the second arc-shaped groove. The invention has a simple structure, can cut off the transmission of the torque when the load is overloaded, and solves the problems of the transmission stuck, the damage of the end rotating parts caused by the locked-rotor of the motor, and the burning of the motor.

Description

technical field [0001] The invention relates to the technical field of mechanical transmission, in particular to a mechanical overload protection device, in particular to an overload protection shaft capable of cutting off torque transmission when the transmission is stuck and the motor is blocked. Background technique [0002] In the field of mechanical transmission, the power generated by the motor needs to be transmitted by the transmission system. In industrial transmission, due to harsh working conditions or unexpected failures in the transmission link, it is inevitable that the transmission will be stuck and the motor will stall. At present, the transmission link basically uses a rigid direct-coupled transmission between the power source and the load. Once the transmission is stuck or the motor is blocked, it will often cause the motor to burn out, the reduction box to be damaged, and the end transmission parts to be damaged, which will not only cause serious economic l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H35/10F16D43/20
CPCF16H35/10F16D43/20
Inventor 柳林
Owner 苏州甘鲁机电科技有限公司
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