CN108574207A - A kind of coiling electric motor starting cabinet - Google Patents

Abstract

The invention relates to the field of electric equipment, in particular to a winding motor starting cabinet, which includes a base, a power distribution cabinet, an installation door, a fixing structure and a heat dissipation structure; the four corners of the bottom of the power distribution cabinet are provided with bases for moisture-proof and waterproof The side wall of the power distribution cabinet is provided with an installation door for installing electrical components; the top of the power distribution cabinet is provided with a fixed structure for fixing wires; the side wall of the power distribution cabinet is provided with two symmetrical cooling structures for ventilation and heat dissipation . The setting of the fixing structure of the present invention facilitates the connection of the wire and the distribution cabinet as a whole, improves the stability of the connection between the wire and the distribution cabinet, facilitates the filling of sealant between the fixing structure and the wire, and improves the sealing performance of the connection of the wire , improve the performance of waterproof and leakage prevention. The two symmetrical side walls of the power distribution cabinet are equipped with heat dissipation structures, which enhance the air circulation between the air and the interior of the power distribution cabinet. The heat dissipation structure is inspected and maintained.

Description

A winding motor starter cabinet

technical field

The invention relates to the field of electric equipment, in particular to a winding motor starting cabinet.

Background technique

With the high development of electrification, starter cabinets are widely used for starting various high-power motors. The soft start is used to replace the traditional starting method to achieve smooth start, reduce the starting current, and reduce the mechanical impact of large current on the motor when the motor is started. , and the impact on the power grid, improve the quality of electricity consumption, save energy, use the stall protection and fast protection to avoid mechanical failure or blockage caused by motor overheating and burnt, reduce the voltage drop caused by large current, affecting other electrical appliances, Reduce wear, prolong the service life of the motor, save the maintenance cost of the machine, and make the control of the motor more convenient and flexible.

However, the traditional winding motor starter cabinet has poor heat dissipation and dust insulation performance, and the stability of the connection between the starter cabinet and the wire is poor. In view of this, the present invention provides a winding motor starting cabinet, which has the following characteristics:

(1) In the winding motor starter cabinet of the present invention, the setting of the fixed structure facilitates the connection of the wire and the power distribution cabinet as a whole, improves the stability of the connection between the wire and the power distribution cabinet, and avoids excessive tension on the wire Cause damage to the internal electrical components of the distribution cabinet, it is convenient to fill the sealant between the fixed structure and the wires, improve the sealing performance of the wire connection, and improve the waterproof and anti-leakage performance.

(2) In the winding motor starting cabinet described in the present invention, the two symmetrical side walls of the power distribution cabinet are provided with heat dissipation structures, which enhance the air circulation between the air and the interior of the power distribution cabinet, and have dustproof and waterproof functions at the same time. performance, which improves the working performance of the starter cabinet, and at the same time facilitates the disassembly of the heat dissipation structure for inspection and maintenance of the heat dissipation structure.

Contents of the invention

Aiming at the problems in the prior art, the present invention provides a wire-wound motor starting cabinet. The setting of the fixed structure facilitates the connection of the wire and the distribution cabinet as a whole, improves the stability of the connection between the wire and the distribution cabinet, and avoids the The excessive tension of the wires causes damage to the internal electrical components of the power distribution cabinet. It is convenient to fill the sealant between the fixed structure and the wires, which improves the sealing performance of the wire connection and improves the waterproof and leakage-proof performance. The two symmetry of the power distribution cabinet The side wall is equipped with a heat dissipation structure, which enhances the air circulation between the air and the inside of the power distribution cabinet, and has the performance of dustproof and waterproof, which improves the working performance of the starter cabinet.

The technical solution adopted by the present invention to solve the technical problem is: a winding motor starting cabinet, including a base, a power distribution cabinet, an installation door, a fixing structure and a heat dissipation structure; The base is moisture-proof and waterproof; the side wall of the power distribution cabinet is provided with the installation door for installing electrical components, and the installation door is rotatably connected with the power distribution cabinet; the top of the power distribution cabinet is provided with a The fixing structure for fixing wires; the side wall of the power distribution cabinet is provided with two symmetrical heat dissipation structures for ventilation and heat dissipation, the heat dissipation structure is detachably connected to the power distribution cabinet, and the The heat dissipation structure and the installation door are arranged on adjacent side walls of the power distribution cabinet.

Specifically, there are four bases, and the four bases are symmetrically arranged at the bottom of the power distribution cabinet in pairs, and the bases are in the shape of an inverted "7"; Fixed, the base has an inverted "" shape structure, which increases the contact area of the base and improves the stability performance. At the same time, the setting of the base prevents the power distribution cabinet from directly contacting the ground, improving the moisture-proof and waterproof performance .

Specifically, the installation door includes an installation door body and a push handle, the installation door body is rotatably connected to the power distribution cabinet, and the end of the installation door body away from the power distribution cabinet is provided with the push handle; through the Push the handle to open the installation door body, then install electrical components inside the power distribution cabinet, and pass the wires through the fixed structure to electrically connect with the electrical components, making the operation more convenient.

Specifically, the fixing structure includes a driving structure, two limiting sleeves, a glue injection hole and a fixing sleeve, the fixing sleeve is fixed on the top of the power distribution cabinet, and one of the limiting sleeves is fixed on the cylindrical structure Inside the fixed sleeve, the other limit sleeve is arranged inside the fixed sleeve and connected to the drive structure at one end of the fixed sleeve. The two limit sleeves are arranged symmetrically, and the limit sleeve The glue injection hole used to fill the sealant in a cylindrical structure surrounded by the fixed sleeve; the wire is passed through the glue injection hole through the power distribution cabinet and fixed with the electrical components, and the drive structure drives the The limit sleeve is in contact with the wire, and then the inside of the injection hole is filled with sealant. The setting of the limit sleeve makes the wire and the power distribution cabinet form a whole, which improves the stability of the wire and avoids excessive tension on the wire. Large damage to electrical components is caused. The setting of the glue injection hole improves the sealing performance of the wire connection and improves the dustproof and waterproof performance.

Specifically, the spacer sleeve has an arc structure, and the spacer sleeve is a rubber sleeve; the spacer sleeve of the arc structure increases the contact area between the spacer sleeve and the wire, and the wire is fixed more firmly. .

Specifically, the drive structure includes a transmission rod, a sleeve and a drive rod, the sleeve of a cylindrical structure is fixed to the fixed sleeve, the drive rod is rotatably connected to the sleeve, and one end of the drive rod fixed to the limit sleeve, the other end of the drive rod is threadedly connected to the drive rod, the sleeve is slidably connected to the drive rod of regular hexagonal structure, and the drive rod is away from the drive rod One end of one end is a regular hexagonal structure; the drive rod is twisted by a wrench, the drive rod drives the transmission rod to slide inside the sleeve, and the transmission rod drives the limit sleeve to interfere with the wire, so The drive rod has a regular hexagonal structure to make sliding inside the sleeve more smooth, and the end of the drive rod has a regular hexagonal structure to drive the drive rod to rotate more conveniently.

Specifically, the heat dissipation structure includes a guide block, a limiting plate, a drainage hole, a first heat dissipation plate, a protrusion, a through hole, a dust accumulation groove, a flow guide block, a second heat dissipation plate, and a heat exchange hole. The two ends of the cabinet are symmetrically provided with the limit plate, which is detachably connected to the power distribution cabinet by bolts, and the guide block with a semi-cylindrical structure is provided on the limit plate. The guide block is engaged with the power distribution cabinet, the first heat dissipation plate is engaged with the limiting plate, and the first heat dissipation plate is provided with the drainage holes of a hemispherical structure distributed in a rectangular array , the side wall of the drainage hole is provided with the hemispherical structure used for dust accumulation, the through hole penetrates through the first heat dissipation plate and extends to the inside of the drainage hole, and the second heat dissipation plate The plate and the first heat dissipation plate are symmetrically arranged on the limiting plate, and the ash accumulation groove of a rectangular structure is formed between the second heat dissipation plate and the first heat dissipation plate, and the second heat dissipation plate The guide blocks corresponding to the through holes in a hemispherical structure are provided one by one, and the heat exchange holes of the cylindrical structure for drainage are provided between the four adjacent guide blocks. The heat exchange holes and the through holes are arranged alternately; in the natural state, the wind enters from the drainage holes and flows slowly through the drainage holes of the hemispherical structure, so that the dust in the air enters the dust deposited in the drainage holes. Then, enter the interior of the dust accumulation tank through the through hole, touch the deflector block to divert the dust to settle, and the air continues to enter the interior of the power distribution cabinet from the heat exchange hole , realize the heat exchange of the air, so that the inside of the power distribution cabinet is cooled, and the setting of the drainage hole in the hemispherical structure has the function of collecting wind, so that the heat exchange effect is better.

Specifically, the heat dissipation structure further includes a limiting strip, and the ends of the first heat dissipation plate and the second heat dissipation plate close to the limiting plate are provided with the limiting strip of a semi-cylindrical structure. The limiting bar is engaged with the limiting plate; the setting of the limiting bar is convenient for disassembling the first cooling plate and the second cooling plate, when the first cooling plate and the second cooling plate When there is too much dust in the space, disassemble the limiting plate with a wrench, then disassemble the first heat dissipation plate and the second heat dissipation plate, and disassemble the first heat dissipation plate and the second heat dissipation plate clean up.

Beneficial effects of the present invention:

(1) In the winding motor starter cabinet of the present invention, the setting of the fixed structure facilitates the connection of the wire and the power distribution cabinet as a whole, improves the stability of the connection between the wire and the power distribution cabinet, and avoids excessive tension on the wire Cause damage to the internal electrical components of the distribution cabinet, it is convenient to fill the sealant between the fixed structure and the wires, improve the sealing performance of the wire connection, and improve the waterproof and anti-leakage performance.

(2) In the winding motor starting cabinet described in the present invention, the two symmetrical side walls of the power distribution cabinet are provided with heat dissipation structures, which enhance the air circulation between the air and the interior of the power distribution cabinet, and have dustproof and waterproof functions at the same time. performance, which improves the working performance of the starter cabinet, and at the same time facilitates the disassembly of the heat dissipation structure for inspection and maintenance of the heat dissipation structure.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the structural representation of a kind of preferred embodiment of the winding motor starting cabinet provided by the present invention;

Figure 2 is an enlarged schematic view of part A shown in Figure 1;

Fig. 3 is a schematic diagram of a B-B cross-sectional structure shown in Fig. 2;

FIG. 4 is an enlarged schematic diagram of part C shown in FIG. 1;

Fig. 5 is a schematic diagram of the connection structure between the driving structure and the fixed sleeve shown in Fig. 4 .

In the figure: 1, base, 2, power distribution cabinet, 3, installation door, 31, installation door body, 32, push handle, 4, fixed structure, 41, driving structure, 411, transmission rod, 412, sleeve, 413, Drive rod, 42, limit sleeve, 43, glue injection hole, 44, fixed sleeve, 5, heat dissipation structure, 51, guide block, 52, limit plate, 53, drainage hole, 54, first heat dissipation plate, 55, Protrusion, 56, through hole, 57, limit bar, 58, ash accumulation groove, 59, deflector block, 59a, second cooling plate, 59b, heat exchange hole.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

As shown in Figures 1 and 4, a winding motor starting cabinet according to the present invention includes a base 1, a power distribution cabinet 2, an installation door 3, a fixing structure 4 and a heat dissipation structure 5; the power distribution cabinet 2 The bottom four corners are provided with the base 1 for moisture-proof and waterproof; the side wall of the power distribution cabinet 2 is provided with the installation door 3 for installing electrical components, and the installation door 3 is connected with the power distribution cabinet 2 rotating connection; the top of the power distribution cabinet 2 is provided with the fixed structure 4 for fixing wires; the side wall of the power distribution cabinet 2 is provided with two symmetrical heat dissipation structures 5 for ventilation and heat dissipation. The heat dissipation structure 5 is detachably connected to the power distribution cabinet 2 , and the heat dissipation structure 5 and the installation door 3 are arranged on adjacent side walls of the power distribution cabinet 2 .

Specifically, as shown in FIG. 1 , in the winding motor starting cabinet according to the present invention, four bases 1 are provided, and the four bases 1 are symmetrically arranged on the bottom of the power distribution cabinet 2 in pairs. end, and the base 1 is an inverted "7" shape structure; first, the base 1 is fixed by bolts, and the base 1 is an inverted "7" shape structure which increases the contact area of the base 1 and improves In addition, the setting of the base 1 prevents the power distribution cabinet 2 from directly contacting the ground, thereby improving the moisture-proof and waterproof performance.

Specifically, as shown in FIG. 1 , in a winding motor starter cabinet according to the present invention, the installation door 3 includes an installation door body 31 and a push handle 32 , and the installation door body 31 is rotated with the power distribution cabinet 2 The installation door body 31 is provided with the push handle 32 at the end of the installation door body 31 away from the power distribution cabinet 2; the installation door body 31 is opened through the push handle 32, and then electrical appliances are installed inside the Components, the wires are passed through the fixing structure 4 and electrically connected to the electrical components, making the operation more convenient.

Specifically, as shown in FIG. 4, in a winding motor starter cabinet according to the present invention, the fixed structure 4 includes a driving structure 41, two spacer sleeves 42, a glue injection hole 43 and a fixed sleeve 44. The fixing sleeve 44 is fixed on the top of the power distribution cabinet 2, one of the limiting sleeves 42 is fixed inside the cylindrical structure of the fixing sleeve 44, and the other limiting sleeve 42 is arranged on the fixing sleeve 44 The interior of the drive structure 41 connected to one end of the fixed sleeve 44, the two limit sleeves 42 are symmetrically arranged, and the limit sleeve 42 and the fixed sleeve 44 form a cylindrical structure for filling and sealing The glue injection hole 43 of the glue; pass the wire from the glue injection hole 43 through the power distribution cabinet 2 and fix it with the electrical components, drive the limiting sleeve 42 to touch the wire through the driving structure 41, and then The inside of the glue injection hole 43 is filled with sealant, and the setting of the limit sleeve 42 makes the wire and the power distribution cabinet 2 form a whole, which improves the stability of the wire and avoids the damage of the electrical components caused by the excessive pulling force of the wire. The setting of the glue injection hole 43 improves the sealing performance of the wire connection and improves the dustproof and waterproof performance.

Specifically, as shown in Figure 4, in a winding motor starting cabinet according to the present invention, the limit sleeve 42 is an arc-shaped structure, and the limit sleeve 42 is a rubber sleeve; the arc-shaped structure The spacer sleeve 42 increases the contact area between the spacer sleeve 42 and the wire, so that the wire is fixed more firmly.

Specifically, as shown in FIG. 5, in a winding motor starting cabinet according to the present invention, the driving structure 41 includes a transmission rod 411, a sleeve 412 and a driving rod 413, and the sleeve 412 of the cylindrical structure is fixed In the fixed sleeve 44, the drive rod 413 is rotationally connected with the sleeve 412, one end of the drive rod 413 is fixed to the limit sleeve 42, and the other end of the drive rod 413 is connected to the drive rod 413 threaded connection, the sleeve 412 is slidingly connected with the transmission rod 411 of the regular hexagonal structure, and the end of the driving rod 413 away from the transmission rod 411 is a regular hexagonal structure; Rod 413, the driving rod 413 drives the transmission rod 411 to slide inside the sleeve 412, the transmission rod 411 drives the limit sleeve 42 to interfere with the wire, and the transmission rod 411 has a regular hexagonal structure The sliding inside the sleeve 412 is smoother, and the end of the driving rod 413 has a regular hexagonal structure, which makes it more convenient to drive the driving rod 413 to rotate.

Specifically, as shown in Fig. 2 and Fig. 3, in a winding motor starting cabinet according to the present invention, the heat dissipation structure 5 includes a guide block 51, a limiting plate 52, a drainage hole 53, a first heat dissipation plate 54, Protrusion 55, through hole 56, dust accumulation groove 58, guide block 59, second heat dissipation plate 59a and heat exchange hole 59b, the two ends of the power distribution cabinet 2 are symmetrically provided with the limit plate 52, the The limiting plate 52 is detachably connected to the power distribution cabinet 2 by bolts, the limiting plate 52 is provided with the guide block 51 of a semi-cylindrical structure, and the guide block 51 is connected to the power distribution cabinet 2 engagement, the first heat dissipation plate 54 is engaged with the limiting plate 52, the first heat dissipation plate 54 is provided with the drainage holes 53 of a hemispherical structure distributed in a rectangular array, and the drainage holes The side wall of 53 is provided with the said protrusion 55 of hemispherical structure used for dust accumulation, the said through hole 56 runs through the said first radiating plate 54 and extends to the inside of said drainage hole 53, said second radiating plate The plate 59a and the first heat dissipation plate 54 are symmetrically arranged on the limit plate 52, and the dust accumulation groove 58 with a rectangular structure is formed between the second heat dissipation plate 59a and the first heat dissipation plate 54. The second heat dissipation plate 59a is provided with the guide blocks 59 of a hemispherical structure corresponding to the through holes 56 one by one, and a cylinder for drainage is provided between the four adjacent guide blocks 59 The heat exchange holes 59b of the structure, the heat exchange holes 59b and the through holes 56 are arranged alternately; in the natural state, the wind enters from the drainage holes 53 and flows slowly through the drainage holes 53 of the hemispherical structure, so that The dust in the air enters and deposits on the protrusion 55 inside the drainage hole 53, then enters the inside of the dust accumulation tank 58 through the through hole 56, and touches the diversion block 59 so that The dust settles, and the air continues to enter the interior of the power distribution cabinet 2 from the heat exchange hole 59b to realize heat exchange for the air and cool down the interior of the power distribution cabinet 2. The drainage hole 53 of the hemispherical structure The setting has the effect of gathering wind, so that the heat exchange effect is better.

Specifically, as shown in FIG. 3 , in a winding motor starting cabinet according to the present invention, the heat dissipation structure 5 further includes a limit bar 57, and the first heat dissipation plate 54 is close to the second heat dissipation plate 59a. One end of the limiting plate 52 is provided with the limiting strip 57 of a semi-cylindrical structure, and the limiting strip 57 is engaged with the limiting plate 52; the setting of the limiting strip 57 is convenient for disassembling the The first heat dissipation plate 54 and the second heat dissipation plate 59a, when there is too much dust between the first heat dissipation plate 54 and the second heat dissipation plate 59a, disassemble the limit plate 52 with a wrench, and then The first heat dissipation plate 55 and the second heat dissipation plate 59a are disassembled, and the first heat dissipation plate 55 and the second heat dissipation plate 59a are disassembled and cleaned.

First, fix the power distribution cabinet 2 in a designated place through the base 1, pass the wires from the fixed structure 4 through the power distribution cabinet 2 and electrically connect the electrical components inside the power distribution cabinet 2, and then fix the wires through the fixing structure 4, Sealant is filled between the fixed structure 4 and the wires, and the inside of the power distribution cabinet 2 is ventilated and dissipated through the heat dissipation structure 5 when the equipment is working. When there is a lot of dust on the heat dissipation structure 5, the heat dissipation structure 5 is removed to clean the heat dissipation structure 5 ; Specifically:

(1) First, the base 1 is fixed by bolts. The base 1 has an inverted "7" shape structure, which increases the contact area of the base 1 and improves the stability performance. At the same time, the setting of the base 1 prevents the power distribution cabinet 2 from directly contacting the ground. , improved moisture-proof and waterproof performance;

(2) Open the installation door body 31 through the push handle 32, then install the electrical components inside the power distribution cabinet 2, pass the wire through the glue injection hole 43 through the power distribution cabinet 2 and fix the electrical components, and use a wrench to twist the drive rod 413 , the drive rod 413 drives the transmission rod 411 to slide inside the sleeve 412, the transmission rod 411 drives the limit sleeve 42 to conflict with the wire, the transmission rod 411 has a regular hexagonal structure to make the sliding inside the sleeve 412 smoother, and the drive rod 413 The end of the regular hexagonal structure is more convenient to drive the driving rod 413 to rotate, and then fill the inside of the injection hole 43 with sealant, and the setting of the limit sleeve 42 makes the wire and the distribution cabinet 2 form a whole, which improves the stability of the wire It avoids the damage of electrical components caused by the excessive pulling force of the wire, and the setting of the glue injection hole 43 improves the sealing performance of the wire connection and improves the dustproof and waterproof performance.

(3) In the natural state, the wind enters from the drainage hole 53, and flows slowly through the drainage hole 53 of the hemispherical structure, so that the dust in the air enters and deposits on the protrusion 55 inside the drainage hole 53, and then enters the accumulation through the through hole 56. The inside of the ash tank 58 touches the guide block 59 to divert the dust to settle, and the air continues to enter the inside of the power distribution cabinet 2 from the heat exchange hole 59b to realize the heat exchange of the air and cool down the inside of the power distribution cabinet 2. The setting of the drainage hole 53 of the hemispherical structure has the function of collecting wind, so that the heat exchange effect is better. When there is too much dust between the first heat dissipation plate 54 and the second heat dissipation plate 59a, the limit plate 52 is disassembled by a wrench. Then the first heat dissipation plate 55 and the second heat dissipation plate 59a are disassembled, and the first heat dissipation plate 55 and the second heat dissipation plate 59a are disassembled and cleaned.

The setting of the fixing structure 4 of the present invention facilitates the connection of the wires and the distribution cabinet 2 as a whole, improves the stability of the connection between the wires and the distribution cabinet 2, and avoids damage to the internal electrical components of the distribution cabinet 2 caused by excessive pulling force of the wires. damage, it is convenient to fill the sealant between the fixed structure 4 and the wire, which improves the sealing performance of the wire connection and improves the waterproof and leakage-proof performance. The two symmetrical side walls of the distribution cabinet 2 are provided with a heat dissipation structure 5, which enhances The air circulates with the internal air of the power distribution cabinet 2, and has the performance of dustproof and waterproof, which improves the working performance of the starter cabinet, and at the same time, it is convenient to disassemble the heat dissipation structure 5 for inspection and maintenance of the heat dissipation structure 5.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also There are various changes and improvements, and these changes and improvements all fall within the scope of protection of the present invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. a kind of coiling electric motor starting cabinet, it is characterised in that：Including pedestal (1), power distribution cabinet (2), installation door (3), fixed structure (4) and radiator structure (5)；The bottom end four corners of the power distribution cabinet (2) are equipped with the pedestal (1) for moistureproof and waterproof；It is described The side wall of power distribution cabinet (2) is equipped with the installation door (3) for installing electric elements, and the installation door (3) and the distribution Cabinet (2) is rotatablely connected；The top of the power distribution cabinet (2) is equipped with the fixed structure (4) for fixing conducting wire；The power distribution cabinet (2) side wall is set there are two the symmetrical radiator structure (5) for being used for ventilation and heat, and the radiator structure (5) is matched with described Electric cabinet (2) is detachably connected, and the radiator structure (5) is set to the sides adjacent of the power distribution cabinet (2) with the installation door (3) Wall.

2. a kind of coiling electric motor starting cabinet according to claim 1, it is characterised in that：There are four the pedestal (1) sets, four A pedestal (1) is symmetrically set in the bottom end of the power distribution cabinet (2) two-by-two, and the pedestal (1) is " 7 " word shape structure.

3. a kind of coiling electric motor starting cabinet according to claim 1, it is characterised in that：The installation door (3) includes installation Door body (31) and pushing hands (32), the installation door body (31) are rotatablely connected with the power distribution cabinet (2), the installation door body (31) one end for deviating from the power distribution cabinet (2) is equipped with the pushing hands (32).

4. a kind of coiling electric motor starting cabinet according to claim 1, it is characterised in that：The fixed structure (4) includes driving Dynamic structure (41), two stop collars (42), hole for injecting glue (43) and fixing sleeve (44), the fixing sleeve (44) are fixed on the distribution The top of cabinet (2), a stop collar (42) are fixed on the inside of the fixing sleeve (44) of cylindrical structure, another The stop collar (42) is connected to the driving structure of the fixing sleeve (44) one end set on the inside of the fixing sleeve (44) (41), two stop collars (42) are symmetrical arranged, and the stop collar (42) surrounds cylindrical structure with the fixing sleeve (44) The hole for injecting glue (43) for filling with sealant.

5. a kind of coiling electric motor starting cabinet according to claim 4, it is characterised in that：The stop collar (42) is arc knot Structure, and the stop collar (42) is rubber sleeve.

6. a kind of coiling electric motor starting cabinet according to claim 5, it is characterised in that：The driving structure (41) includes passing The sleeve (412) of lever (411), sleeve (412) and drive rod (413), cylindrical structure is fixed on the fixing sleeve (44), the drive rod (413) is rotatablely connected with the sleeve (412), and the limit is fixed in one end of the drive rod (413) Position set (42), the other end of the drive rod (413) are threadedly coupled with the drive rod (413), the sleeve (412) and positive six The drive link (411) of side shape structure is slidably connected, and the drive rod (413) deviates from one end of the drive link (411) For regular hexagon structure.

7. a kind of coiling electric motor starting cabinet according to claim 1, it is characterised in that：The radiator structure (5) includes leading To block (51), limiting plate (52), conduction hole (53), the first heat sink (54), raised (55), through-hole (56), dust stratification slot (58), lead Stream block (59), the second heat sink (59a) and heat exchanging holes (59b), the both ends of the power distribution cabinet (2) are arranged with the limiting plate (52), it is detachably connected by bolt between the limiting plate (52) and the power distribution cabinet (2), the limiting plate (52) is equipped with The guide pad (51) of semi-cylindrical structure, the guide pad (51) engage with the power distribution cabinet (2), first heat sink (54) engage with the limiting plate (52), first heat sink (54) is equipped with the hemispherical dome structure of rectangular array formula distribution The side wall of the conduction hole (53), the conduction hole (53) is equipped with raised (55) for dust stratification of hemispherical dome structure, institute State the inside that through-hole (56) extends to the conduction hole (53) through first heat sink (54), second heat sink (59a) is symmetrically set in the limiting plate (52), second heat sink (59a) and described first with first heat sink (54) The dust stratification slot (58) of rectangular configuration is surrounded between heat sink (54), second heat sink (59a) is equipped with hemispherical junction Structure with the one-to-one baffle (59) of the through-hole (56), be equipped between adjacent four baffles (59) and use In the heat exchanging holes (59b) of the cylindrical structure of drainage, the heat exchanging holes (59b) are staggered with the through-hole (56).

8. a kind of coiling electric motor starting cabinet according to claim 7, it is characterised in that：The radiator structure (5) further includes Positive stop strip (57), first heat sink (54) are equal close to one end of the limiting plate (52) with second heat sink (59a) The positive stop strip (57) equipped with semi-cylindrical structure, the positive stop strip (57) engage with the limiting plate (52).