Fixing structure for leading out cable of positive pressure type explosion-proof motor

Abstract

The utility model relates to a fixing structure for leading out a cable of a positive pressure type explosion-proof motor, which is characterized in that a stator lead supporting plate (3) is vertically fixed on an inner base plate (2) of a stator base, and a stator lead double-sided perforated supporting plate (4) and a stator lead single-sided perforated supporting plate (5) are connected together through a double-end stud; a double-end stud (9) is arranged in the insulating sleeve (6), and the outer part of the insulating sleeve (6) penetrates through the stator lead supporting plate (3), the stator lead double-sided perforated supporting plate (4) and the stator lead single-sided perforated supporting plate (5); a stator cable (10) is placed in a hole in the supporting plate (3), and one end of a double-end stud (9) is fixed on the inner base plate (2) of the stator base. The explosion-proof motor is simple in process and convenient to operate, and provides reference and help for the structural design of the explosion-proof motor.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of fixing structure that positive pressure type explosion-proof motor cable is led out. BACKGROUND

[0002] Explosion-proof motor is divided into increased safety type, positive pressure type, sparkless type and dust explosion-proof type due to its own characteristics.The principle of positive pressure explosion-proof motor is to keep the internal pressure of motor greater than external pressure to prevent external explosive gas from entering the base.With the progress of China's science and technology, the structure of positive pressure explosion-proof motor has great advantages in the application of large explosion-proof motor structure, and it is a common explosion-proof structure for producing large explosion-proof motor in the future.

[0003] To maintain the pressure of explosion-proof motor, in addition to improving the level of weld during base welding and conducting leakage test on motor weld, the side cover plate of base is double-layered, and all holes cannot be through holes, which makes it difficult to connect cable outlet plate. SUMMARY

[0004] The utility model discloses a kind of fixing structure that positive pressure type explosion-proof motor cable is led out, and process is simple, easy to operate.The utility model technical solutions are as follows: including: explosion-proof motor stator winding assembly (1), stator base inner base plate (2), stator lead support plate (3), stator lead double-sided hole support plate (4), stator lead single-sided hole support plate (5), insulating sleeve (6), washer (7), nut (8), stud (9), stator cable (10);Stator lead support plate (3) is vertically fixed on stator base inner base plate (2), stator lead double-sided hole support plate (4) and stator lead single-sided hole support plate (5) are connected together by stud, and double-headed stud (9) is externally penetrated stator lead support plate (3), stator lead double-sided hole support plate (4) and stator lead single-sided hole support plate (5) in the inside of insulating sleeve (6);Stator cable (10) is placed in the hole on support plate (3), one end of stud (9) is fixed on stator base inner base plate (2), and the other end of stud (9) is fastened with washer (7) and nut (8) to stator lead support plate (3), stator lead double-sided hole support plate (4) and stator lead single-sided hole support plate (5), and the position of stator cable (10) can be fixed.

[0005] The utility model has the advantages of:

[0006] The utility model discloses a fixed structure for cable leading-out of positive pressure type explosion -proof motor, including: explosion -proof motor stator winding assembly 1, stator frame inner base plate 2, stator lead support plate 3, stator lead double -sided hole support plate 4, stator lead single -sided hole support plate 5, insulating sleeve 6, washer 7, nut 8, stud bolt 9, stator cable 10, stator lead support plate 3 is fixed vertically on stator frame inner base plate 2, stator lead double -sided hole support plate 4, stator lead single -sided hole support plate 5 are connected together through stud bolt, and the inside of insulating sleeve 6 is the outside of stud bolt 9 and is passed through stator lead support plate 3, stator lead double -sided hole support plate 4, stator lead single -sided hole support plate 5, the cable is put into the hole on the support plate, and one end of stud bolt is fixed on stator frame inner base plate 2, and the other end is fastened with washer 7 and nut 8 and support plate 3 (4) (5), and the position of stator cable 10 can be fixed. Simple procedure, convenient operation, hope to provide reference and help for the structure design of explosion -proof motor. BRIEF DESCRIPTION OF DRAWINGS

[0007] Figure 1 It is fixed structure schematic diagram for the cable leading-out of positive pressure type explosion -proof motor of the utility model,

[0008] Figure 2 It is enlarged schematic diagram of the fixed structure of cable leading-out of positive pressure type explosion -proof motor,

[0009] Figure 3 It is Figure 2 Right -view cable fixed support plate installation position drawing

[0010] Figure 4 Stator lead double -sided hole support plate schematic diagram

[0011] Figure 5 Stator lead single -sided hole support plate schematic diagram PREFERRED EMBODIMENT

[0012] As Figure 1 Shown, a kind of fixed structure for cable leading-out of positive pressure type explosion -proof motor, including: explosion -proof motor stator winding assembly 1, stator frame inner base plate 2, stator lead support plate 3, stator lead double -sided hole support plate 4, stator lead single -sided hole support plate 5, insulating sleeve 6, washer 7, nut 8, stud bolt 9, stator cable 10, as Figure 2 Shown, stator lead support plate 3 is fixed vertically on stator frame inner base plate 2, as Figure 4 , Figure 5 Shown, stator lead double -sided hole support plate 4, stator lead single -sided hole support plate 5 are connected together through stud bolt, as Figure 3As shown, the inside of the insulation sleeve 6 is the outside of the stud 9 through the stator lead support plate 3, the stator lead double-sided hole support plate 4, the stator lead single-sided hole support plate 5; the stator cable 10 is placed in the hole on the support plate 3, one end of the stud 9 is fixed on the stator base plate 2 in the stator base, the other end of the stud 9 is fastened with the washer 7 and the nut 8 to the support plate stator lead support plate 3, stator lead double-sided hole support plate 4, stator lead single-sided hole support plate 5, and the position of the stator cable 10 is fixed.

Claims

1. A fixing structure for cable exit of a positive pressure explosion-proof motor, characterized in that: It includes: Explosion-proof motor stator winding assembly (1), stator frame in stator frame plate (2), stator lead support plate (3), stator lead double-sided hole support plate (4), stator lead single-sided hole support plate (5), insulation sleeve (6), washer (7), nut (8), stud (9), stator cable (10); Stator lead support plate (3) is vertically fixed on the stator frame in stator frame plate (2), stator lead double-sided hole support plate (4), stator lead single-sided hole support plate (5) are connected together by stud, the inside of insulation sleeve (6) is outside through stator lead support plate (3), stator lead double-sided hole support plate (4), stator lead single-sided hole support plate (5); Stator cable (10) is put into the hole on support plate (3), one end of stud (9) is fixed on stator frame in stator frame plate (2), the other end of stud (9) is fastened with washer (7) and nut (8) to stator lead support plate (3), stator lead double-sided hole support plate (4), stator lead single-sided hole support plate (5), the position of stator cable (10) can be fixed.

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