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Overload protective device of motor

A technology for overload protection and electric motors, applied in the direction of electromechanical devices, electrical components, electric components, etc., can solve the problems of high cost and high processing technology requirements

Inactive Publication Date: 2012-07-04
SHANGHAI LONGTENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention discloses a motor overload protection device, which is used to solve the problem of high cost of the overload protection device in the prior art due to high processing technology requirements

Method used

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  • Overload protective device of motor
  • Overload protective device of motor
  • Overload protective device of motor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment （ 1

[0023] figure 1 is a structural schematic diagram of the motor overload protection device of the present invention, figure 2 It is a structural side view of the motor overload protection device of the present invention, image 3 It is a structural diagram of the A-A direction of the motor overload protection device of the present invention, please refer to figure 1 , figure 2 , image 3 , a kind of motor overload protection device, it is characterized in that, a driving plate comprises, a circular tube 102, a disc 106 is provided with a center through hole identical with the inner diameter of the circular tube 102, and the circular tube 102 is vertically arranged on one of the circular tubes 106 On the side disk surface, the circular tube 102 matches the central through hole, the axis of the circular tube 102 and the central through hole are on the same straight line, and a driven plate 103 is rotatably sleeved outside the circular tube; a transmission rod One end of 104...

Embodiment （ 2

[0030] figure 1 is a structural schematic diagram of the motor overload protection device of the present invention, figure 2 It is a structural side view of the motor overload protection device of the present invention, image 3 It is a structural diagram of the A-A direction of the motor overload protection device of the present invention, please refer to figure 1 , figure 2 , image 3 , on the basis of Embodiment 1, the motor overload protection device of the present invention also includes a second transmission rod 120, the second transmission rod 120 is rotatably installed on the disc 106, and the second transmission rod 120 and the transmission rod 104 are installed on On the same side of the disk, and symmetrical to the center of circle of the disk 106 with the transmission rod 104, the second transmission rod 120 has the same mounting structure as the transmission rod 104, and the second transmission rod 120 is also provided with a protrusion 1201 and set The seco...

Embodiment （ 3

[0032] Figure 4 It is a structural schematic diagram of Embodiment 3 of the motor overload protection device of the present invention, Figure 5 It is a structural side view of Embodiment 3 of the motor overload protection device of the present invention, please refer to Figure 4 , Figure 5On the basis of the above-mentioned embodiments, a second round hole 114 is provided on the disc 106 of the motor overload protection device of the present invention, and the second round hole is placed at a position corresponding to the middle part of the transmission rod 104, and an induction piece 110 One end of one end passes through the second round hole 114 and is installed on the transmission rod 104; an infrared sensor 111 is installed on the base 113 of the motor through a support rod 112, and the rotating shaft of the infrared sensor 111 and the motor 200 is arranged on the same straight line, and the induction sheet 110 The other end of the sensor is offset against the probe ...

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PUM

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Abstract

The invention discloses an overload protective device of a motor. A driving disc comprises a round tube, a round disc is provided with a central through hole which is the same as the inner diameter of the round tube, the round tube is perpendicularly arranged on the disc surface on one side of the round disc, and an axle center of the round tube and an axle center of the central through hole are in the same straight line. A driven disc is rotatably sleeved outside the round tube, one end of a transmission rod is rotatably installed on the round disc, the transmission rod is attached to the outer surface of the driven disc tightly, a V-shaped groove is arranged on the outer surface of the driven disc, a protrusion matched with the V-shaped groove is arranged on one side of the transmission rod facing to the driven disc, the protrusion is clamped in the groove, the other end of the transmission rod is connected with a spring, and the other end of the spring is installed on the round disc. The overload protective device of the motor solves the problem of high cost of an overload protective device in the prior art due to high requirements of processing technology.

Description

technical field [0001] The invention relates to a motor overload protection device, in particular to a motor overload protection device. Background technique [0002] In machinery, when the shaft exceeds the load it can bear, the overload protection can prevent the damage of the equipment caused by overload. [0003] With the advancement of science and technology, the structure of modern machinery is becoming more and more complex, and its functions are becoming more and more powerful. Reliable protection is required for driving components such as motors. At present, torque overload protectors are commonly used, which are common in the market. Type torque overload protectors include friction overload protectors, ball type (steel ball type) overload protectors, etc. [0004] Common torque overload protectors in the prior art, such as friction plate overload protectors, ball type (steel ball) overload protectors, etc., have disadvantages such as high processing technology req...

Claims

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Application Information

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IPC IPC(8): H02K11/00H02K11/27
Inventor 乔野龙乔英乔龙官
Owner SHANGHAI LONGTENG TECH