Practical motor burnout-preventive device for lifting machinery
A technology for hoisting machinery and electric motors, which is applied in the directions of electromechanical devices, electric components, and mechanical energy control. It can solve the problems of consuming friction parts, motor burnout, and poor braking effect, and achieve the effect of preventing burnout.
Active Publication Date: 2017-08-29
济宁高新科达科技项目服务有限公司
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Problems solved by technology
[0002] At present, the brake has been applied to various fields, and its main function is to connect the shaft body of the driving device and the shaft body of the driven device. In case of emergency, the brake can realize immediate shutdown to prevent accidents. Braking is performed by friction, which not only consumes the friction parts, but also has poor braking effect. In addition, since the motor is fixedly connected to the braking part at this time, if the power supply of the motor cannot be turned off in time at this time, so that it continues to rotate, it is very dangerous. May cause the motor to burn out
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] see figure 1 , figure 2 , image 3 and Figure 4 , an embodiment provided by the present invention: a practical anti-motor burnout device for hoisting machinery, including a driven shaft 1 for connecting the shaft body of the driven object and a driving shaft 2 for connecting the motor 22, so A gearbox 21 is arranged between the motor 22 and the drive shaft 2, one end of the drive shaft 2 is fixed with a set of fixed blocks 17, and the driven shaft ...
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The present invention discloses a practical motor burnout-preventive device for the lifting machinery. A gearbox is arranged between a motor and a driving shaft. One end of the driving shaft is fixedly provided with a group of fixed blocks. One end of a driven shaft, opposite to the fixed blocks, is fixedly provided with a group of transmission blocks. The interior of each transmission block is of a hollow structure, and the interiors of all the transmission blocks are connected with one group of connecting shafts through gear teeth, wherein the connecting shafts are configured to be inserted into the transmission blocks. One ends of the connecting shafts are fixedly provided with one group of movable blocks. One end surfaces of the movable blocks, opposite to the fixed blocks, are provided with a plurality of groups of limiting rods. The angle and the distance spaced between the plurality of groups of limiting rods are the same. One end surfaces of the fixed blocks, opposite to the movable blocks, are provided with a plurality of groups of groove structures. The plurality of groups of groove structures are corresponding to the horizontal positions of the limiting rods. According to the technical scheme of the invention, when the overload phenomenon occurs or the braking is required, a connection part can be timely disconnected. At this time, the shaft body of a driving device can rotate normally and is not influenced by the external force. As a result, the burnout phenomenon of a motor is prevented.
Description
technical field [0001] The invention relates to the technical field of machinery, in particular to a practical motor burnout prevention device for hoisting machinery. Background technique [0002] At present, the brake has been applied to various fields, and its main function is to connect the shaft body of the driving device and the shaft body of the driven device. In case of emergency, the brake can realize immediate shutdown to prevent accidents. Braking is performed by friction, which not only consumes the friction parts, but also has poor braking effect. In addition, since the motor is fixedly connected to the braking part at this time, if the power supply of the motor cannot be turned off in time at this time, so that it continues to rotate, it is very dangerous. May cause the motor to burn out. Contents of the invention [0003] The object of the present invention is to provide a practical anti-motor burnout device for hoisting machinery, so as to solve the problem...
Claims
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Login to View More IPC IPC(8): H02K7/116
CPCH02K7/116
Inventor 邓聪迪
Owner 济宁高新科达科技项目服务有限公司