Mining motor winding conducting rod waterproof device

Abstract

The utility model provides a waterproof device for a mining motor winding conducting rod, and relates to the technical field of mining motor conducting rods. The mining motor winding conducting rod waterproof device comprises a heat conduction shell, the heat conduction shell is composed of a heat dissipation part, a sealing part and a connecting part, the sealing part is arranged at the top of the heat dissipation part, the connecting part is arranged at the bottom of the heat dissipation part, a conducting rod is arranged in the heat conduction shell, and a circular notch is formed in the lower end of the conducting rod. And a winding outgoing line is arranged below the conducting rod. According to the mining motor winding conducting rod waterproof device, through arrangement of the sealing assembly, a gap between the circular notch and a winding outgoing line can be sealed, and meanwhile, the sealing assembly can be pressed and fixed to the periphery of the circular notch through the pressing assembly, so that the use effect of the sealing assembly can be improved, and it is guaranteed that after long-term use, the waterproof effect of the sealing assembly is improved. The situation that the sealing effect between the sealing assembly and the circular notch is not good is avoided, and actual application is facilitated.

Description

Technical Field

[0001] This utility model relates to the technical field of conductive rods for mining electric motors, specifically a waterproof device for conductive rods of windings in mining electric motors. Background Technology

[0002] The conductive rod of a mining motor winding is a key conductive component connecting the internal winding coil of the motor to the external power source (through a junction box). It acts as a bridge, ensuring that the powerful operating current can be safely and reliably transmitted from the power cable to the electromagnetic coil inside the motor.

[0003] A search revealed a Chinese patent for a waterproof device for the conductive rod of a mining motor winding (authorization announcement number CN212231208U). The device includes a wiring cavity, which is fixedly located in the middle of a heat-conducting housing. A conductive rod is located inside the heat-conducting housing, with a circular groove at its lower end. The winding lead abuts against the circular groove of the conductive rod, and a sealing ring is placed between the circular groove and the winding lead. Heat-shrink tubing seals the winding lead with self-adhesive tape. Silicone rubber is also provided on the sealing ring. The heat-conducting housing includes a sealing part, a heat dissipation part, and a connecting part.

[0004] In this patented technology, a first waterproof barrier is formed by filling the gap between the circular slot and the winding lead wire with a sealing ring. This prevents external humid air or condensation from seeping into the conductive rod through the gap, thereby blocking moisture from entering the connection between the conductive rod and the winding lead wire. However, the outer ring of the sealing ring lacks a tight connection with the inner wall of the circular slot, which inevitably leads to poor sealing performance after long-term use, hindering practical applications.

[0005] Therefore, those skilled in the art provide a waterproof device for the conductive rod of a mining motor winding to solve the problems mentioned in the background art. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a waterproof device for the conductive rod of a mining motor winding, which solves the problem mentioned in the background art that the outer ring of the sealing ring and the inner wall of the circular groove lack a tight connection, inevitably leading to poor sealing performance after long-term use.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a waterproof device for the winding conductive rod of a mining motor, comprising a heat-conducting shell, the heat-conducting shell being composed of a heat dissipation part, a sealing part, and a connecting part, the sealing part being disposed at the top of the heat dissipation part, the connecting part being disposed at the bottom of the heat dissipation part, a conductive rod being disposed inside the heat-conducting shell, a circular groove being disposed at the lower end of the conductive rod, a winding lead being disposed below the conductive rod, the winding lead abutting against the circular groove of the conductive rod, a sealing component being disposed outside the winding lead and below the circular groove, and a pressing component being disposed at the bottom of the connecting part, the pressing component being used to cooperate with the connecting part to press the sealing component.

[0008] The above technical solution utilizes a sealing component to seal the gap between the circular slot and the winding lead wire. Simultaneously, a clamping component is used to press and fix the sealing component to the periphery of the circular slot, thereby improving the sealing component's performance and ensuring that the sealing component and the circular slot will not experience poor sealing after long-term use, which is beneficial for practical applications.

[0009] Preferably, the sealing assembly includes a sealing ring, an arc-shaped protrusion, an annular protrusion, and a sealing ring. The sealing ring is fixedly installed on the outside of the winding lead wire and located below the circular slot. The arc-shaped protrusion and the annular protrusion are both disposed on the sealing ring. The annular protrusion is located on the inside of the arc-shaped protrusion. The sealing ring is fixedly installed on the inner wall of the circular slot. The bottom of the sealing ring has an annular groove that cooperates with the annular protrusion. The annular protrusion is located inside the annular groove.

[0010] The above technical solution uses a sealing ring to seal the gap between the winding lead wire and the circular slot.

[0011] Preferably, the clamping assembly includes a sealing cap and a clamping ring. The sealing cap is threaded to the bottom of the connecting part. The sealing cap and the connecting part cooperate to clamp the sealing ring. The bottom of the connecting part and the inside of the sealing cap are both provided with arc-shaped grooves that cooperate with the arc-shaped protrusion. The arc-shaped protrusion is located inside the arc-shaped groove. The clamping ring is installed inside the sealing cap. The clamping ring cooperates with the annular groove to clamp the annular protrusion.

[0012] By tightening the sealing cap, it connects with the connecting part and presses the sealing ring, thereby further increasing the sealing effect of the sealing ring.

[0013] Preferably, the outer sides of the sealing part and the connecting part are provided with annular heat-conducting protrusions at equal intervals, and heat dissipation fins are embedded at equal intervals on the outer sides of the sealing part and the connecting part and between the annular heat-conducting protrusions.

[0014] The above technical solution utilizes annular heat-conducting protrusions and heat dissipation fins to further enhance the heat conduction effect.

[0015] Preferably, the sealing part has an elongated hole inside, the heat dissipation part is hollow inside, and the top and bottom of the hollow part are both set as inclined structures.

[0016] The above technical solution utilizes the combination of the elongated holes inside the sealing part and the hollow part of the heat dissipation part to form an internal heat exchange space. The heat generated inside the conductive rod and the winding lead wire is transferred to the heat exchange space in a timely manner. Furthermore, the upper and lower ends of the hollow part are inclined surfaces, so if heat exchange occurs, water droplets can be transferred to the thin wall.

[0017] Preferably, the outer side of the sealing cover has a through hole, through which the winding lead wire passes. A heat shrink tube is provided at the position where the outer side of the winding lead wire connects with the sealing ring, and the heat shrink tube seals the winding lead wire to the inner ring of the sealing ring with self-adhesive tape.

[0018] The above technical solution allows for easy routing of the winding lead wires using through holes, while heat shrink tubing and self-adhesive tape can seal the winding lead wires to the sealing ring.

[0019] This utility model provides a waterproof device for the conductive rod of a mining motor winding, which has the following beneficial effects:

[0020] This waterproof device for the winding conductor rod of a mining motor can seal the gap between the circular slot and the winding lead wire by setting a sealing component. At the same time, the sealing component can be pressed and fixed to the outside of the circular slot by using a clamping component, thereby improving the performance of the sealing component and ensuring that there will be no poor sealing effect between the sealing component and the circular slot after long-term use, which is beneficial to practical applications. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0022] Figure 2 This is a schematic diagram of the three-dimensional disassembled structure of this utility model.

[0023] Figure 3 This is a cross-sectional view of the internal structure of this utility model.

[0024] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle.

[0025] Figure 5 This is a schematic diagram of the sealing ring structure of this utility model.

[0026] In the diagram: 1. Heat dissipation part; 2. Sealing part; 3. Connecting part; 4. Circular slot; 5. Conductive rod; 6. Winding lead wire; 7. Sealing ring; 8. Arc-shaped protrusion; 9. Annular protrusion; 10. Sealing ring; 11. Sealing cover; 12. Compression ring; 13. Annular heat-conducting protrusion; 14. Heat dissipation fins; 15. Slender hole; 16. Through hole. Detailed Implementation

[0027] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0028] Reference Figures 1-5 This utility model provides a waterproof device for the conductive rod of a mining motor winding, including a heat-conducting shell, which is composed of a heat dissipation part 1, a sealing part 2, and a connecting part 3. The sealing part 2 is located at the top of the heat dissipation part 1, and the connecting part 3 is located at the bottom of the heat dissipation part 1. Annular heat-conducting protrusions 13 are equidistantly arranged on the outer sides of both the sealing part 2 and the connecting part 3 to enhance heat conduction. Heat dissipation fins 14 are equidistantly embedded on the outer sides of the sealing part 2 and the connecting part 3 between the annular heat-conducting protrusions 13 to further enhance heat conduction. A narrow hole 15 is provided inside the sealing part 2. The heat dissipation part 1 is hollow inside, with the top and bottom of the hollow portion being sloped. A conductive rod 5 is disposed inside the heat-conducting shell. The elongated hole 15 inside the sealing part 2 is combined with the hollow part of the heat dissipation part 1 to form an internal heat exchange space. The heat generated inside the conductive rod 5 and the winding lead wire 6 is transferred to the heat exchange space in a timely manner. Furthermore, the upper and lower ends of the hollow part are inclined surfaces, so if heat exchange occurs, water droplets can be transferred to the thin wall.

[0029] The lower end of the conductive rod 5 is provided with a circular slot 4, and a winding lead 6 is provided below the conductive rod 5. The winding lead 6 abuts against the circular slot 4 of the conductive rod 5.

[0030] In one aspect of this embodiment, a sealing assembly is provided on the outer side of the winding lead 6 and below the circular slot 4. The sealing assembly includes a sealing ring 7, an arc-shaped protrusion 8, an annular protrusion 9, and a sealing ring 10. The sealing ring 7 is fixedly installed on the outer side of the winding lead 6 and below the circular slot 4, and can seal the gap between the winding lead 6 and the circular slot 4. A heat shrink tubing is provided at the position where the outer side of the winding lead 6 connects to the sealing ring 7. The heat shrink tubing seals the inner ring of the sealing ring 7 with self-adhesive tape, and the winding lead 6 and the sealing ring 7 are sealed using the heat shrink tubing and self-adhesive tape. Both the arc-shaped protrusion 8 and the annular protrusion 9 are provided on the sealing ring 7, with the annular protrusion 9 located inside the arc-shaped protrusion 8. The sealing ring 10 is fixedly installed on the inner wall of the circular groove 4. The bottom of the sealing ring 10 is provided with an annular groove that cooperates with the annular protrusion 9. The annular protrusion 9 is located inside the annular groove. By cooperating with the annular groove and the annular protrusion 9, the sealing effect can be increased.

[0031] In one aspect of this embodiment, a clamping assembly is provided at the bottom of the connecting portion 3. The clamping assembly is used to cooperate with the connecting portion 3 to clamp the sealing assembly. The clamping assembly includes a sealing cap 11 and a clamping ring 12. The sealing cap 11 is threadedly connected to the bottom of the connecting portion 3. The sealing cap 11 cooperates with the connecting portion 3 to clamp the sealing ring 7. Tightening the sealing cap 11 allows it to connect with the connecting portion 3 while clamping the sealing ring 7, thereby further increasing the sealing effect of the sealing ring 7. Both the bottom of the connecting portion 3 and the interior of the sealing cap 11 are provided with arc-shaped grooves that cooperate with the arc-shaped protrusions 8. The arc-shaped protrusions 8 are located inside the arc-shaped grooves. By utilizing the cooperation between the arc-shaped protrusions 8 and the arc-shaped grooves, the arc-shaped protrusions 8 can also be clamped when clamping the sealing ring 7, thereby increasing the sealing effect between the sealing cap 11 and the connecting portion 3. The clamping ring 12 is installed inside the sealing cover 11. The clamping ring 12, in conjunction with the annular groove, clamps the annular protrusion 9, thereby pressing and fixing the annular protrusion 9 inside the annular groove, thus further increasing the sealing effect. A through hole 16 is provided on the outer side of the sealing cover 11, through which the winding lead wire 6 passes to facilitate the lead wire 6 being led out.

[0032] Working principle:

[0033] In use, the winding lead wire 6 and the inner ring of the sealing ring 7 can be sealed first by heat shrink tubing and self-adhesive tape. Then, the winding lead wire 6 is placed inside the circular slot 4, and the sealing ring 7 is placed at the bottom of the connecting part 3. At this time, the arc-shaped protrusion 8 on the sealing ring 7 is located inside the arc-shaped groove at the bottom of the connecting part 3, and the annular protrusion 9 is located inside the annular groove at the bottom of the sealing ring 10.

[0034] Then, the sealing cap 11 is tightened by screwing it in, so that the sealing cap 11 is installed at the bottom of the connecting part 3. The arc-shaped groove inside the sealing cap 11 fits against the arc-shaped protrusion 8. At the same time, the pressure ring 12 inside the sealing cap 11 is located inside the annular protrusion 9. Then, by tightening the sealing cap 11, the sealing cap 11 and the connecting part 3 press and fix the sealing ring 7, while squeezing the sealing ring 7 and the arc-shaped protrusion 8. The pressure ring 12 and the sealing ring 10 squeeze the annular protrusion 9, thereby increasing the sealing effect of the equipment. This ensures that after long-term use, there will be no poor sealing effect between the sealing component and the circular groove 4, which is beneficial to practical applications.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A waterproof device for the winding conductive rod of a mining electric motor, comprising a heat-conducting shell, the heat-conducting shell being composed of a heat dissipation part (1), a sealing part (2), and a connecting part (3), the sealing part (2) being disposed at the top of the heat dissipation part (1), the connecting part (3) being disposed at the bottom of the heat dissipation part (1), a conductive rod (5) being disposed inside the heat-conducting shell, the lower end of the conductive rod (5) being provided with a circular slot (4), a winding lead wire (6) being disposed below the conductive rod (5), the winding lead wire (6) abutting against the circular slot (4) of the conductive rod (5), characterized in that, A sealing assembly is provided on the outside of the winding lead (6) and below the circular slot (4), and a pressing assembly is provided at the bottom of the connecting part (3). The pressing assembly is used to cooperate with the connecting part (3) to press the sealing assembly.

2. The waterproof device for the winding conductive rod of a mining electric motor according to claim 1, characterized in that: The sealing assembly includes a sealing ring (7), an arc-shaped protrusion (8), an annular protrusion (9), and a sealing ring (10). The sealing ring (7) is fixedly installed on the outside of the winding lead (6) and below the circular slot (4). The arc-shaped protrusion (8) and the annular protrusion (9) are both provided on the sealing ring (7). The annular protrusion (9) is located on the inside of the arc-shaped protrusion (8). The sealing ring (10) is fixedly installed on the inner wall of the circular slot (4). The bottom of the sealing ring (10) is provided with an annular groove that cooperates with the annular protrusion (9). The annular protrusion (9) is located inside the annular groove.

3. The waterproof device for the winding conductive rod of a mining electric motor according to claim 2, characterized in that: The clamping assembly includes a sealing cap (11) and a clamping ring (12). The sealing cap (11) is threaded to the bottom of the connecting part (3). The sealing cap (11) and the connecting part (3) cooperate to clamp the sealing ring (7). The bottom of the connecting part (3) and the inside of the sealing cap (11) are both provided with arc-shaped grooves that cooperate with the arc-shaped protrusion (8). The arc-shaped protrusion (8) is located inside the arc-shaped groove. The clamping ring (12) is installed inside the sealing cap (11). The clamping ring (12) cooperates with the annular groove to clamp the annular protrusion (9).

4. The waterproof device for the winding conductive rod of a mining electric motor according to claim 1, characterized in that: The sealing part (2) and the connecting part (3) are provided with annular heat-conducting protrusions (13) at equal intervals on their outer sides. Heat dissipation fins (14) are embedded at equal intervals on the outer sides of the sealing part (2) and the connecting part (3) and between the annular heat-conducting protrusions (13).

5. The waterproof device for the winding conductive rod of a mining electric motor according to claim 1, characterized in that: The sealing part (2) has an elongated hole (15) inside, and the heat dissipation part (1) is hollow inside, with the top and bottom of the hollow part being sloped.

6. The waterproof device for the winding conductive rod of a mining electric motor according to claim 3, characterized in that: The sealing cover (11) has a through hole (16) on its outer side. The winding lead (6) passes through the through hole (16). A heat shrink tube is provided at the position where the outer side of the winding lead (6) connects with the sealing ring (7). The heat shrink tube seals the winding lead (6) and the inner ring of the sealing ring (7) with self-adhesive tape.

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