Overload preventing lift-pull device

Abstract

The invention discloses an anti-overload puller, which comprises a base plate with bolts installed inside and a concave roller, one side of the upper surface of the base plate is provided with a control block with an integral structure with it, and the center of the upper surface of the base plate is set There is a support plate structure integrated with it, and a motor is installed on the top of the support plate structure through bolts and fixing plates, the inside of the control block is penetrated by the motor shaft in the motor, and the motor shaft is located at the A shaft body inside the control block is sleeved with a drive housing, and a driven housing is mounted on an end surface of the drive housing inside the control block. The invention utilizes the force of the electromagnet to control the maximum strength of the heavy object when lifting. When the maximum strength is reached, the motor can rotate independently, thereby preventing the motor from being overloaded. When parking in the air, the controller can be used to It can effectively brake and has strong practicability.

Description

technical field [0001] The invention relates to the technical field of machinery, in particular to an overload prevention puller. Background technique [0002] At present, lifters are needed in many places, and their main function is to transport heavy objects from a low position to a high position. When the general lifter is working, the gravity of the object that the motor needs to bear cannot be changed, so when lifting When pulling, overloading often occurs, which may cause the motor to burn out. In addition, when the heavy object is lifted into the air, once the motor is damaged or malfunctions, the heavy object will fall and cause an accident. Contents of the invention [0003] The object of the present invention is to provide an anti-overload puller to solve the problems raised in the above-mentioned background technology. [0004] To achieve the above object, the present invention provides the following technical solutions: [0005] An anti-overload puller, inclu...

AI Technical Summary

Problems solved by technology

[0002] At present, lifters are needed in many places, and their main function is to transport heavy objects from a low position to a high position. When the general lifter is working, the gravity of the object that the motor needs to bear cannot be changed, so when lifting When pulling, there will often be overloading, which may cause the motor to burn out. In addition, when the heavy object is lifted into the air, once the motor is damaged or malfunctions, the heavy object will fall and cause an accident.

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