Stator insulation framework

Abstract

The utility model belongs to the technical field of stators, and particularly relates to a stator insulation framework which comprises a stator assembly and a winding assembly. The stator assembly comprises an insulating frame, a clamping groove formed in the insulating frame, a lead-in groove formed in the insulating frame and located at the end of the clamping groove, and a positioning mechanism arranged on the insulating frame. The winding assembly comprises a winding mechanism clamped in the insulating frame and a heat dissipation mechanism arranged on the winding mechanism; the winding mechanism comprises a clamping block clamped in the clamping groove, a second screw hole formed in the middle of the clamping block and allowing the screw to penetrate through, winding teeth fixed to the outer side of the clamping block and a limiting plate adjustably arranged on the winding teeth. Through the stator assembly and the winding assembly, the clamping blocks can be clamped into the clamping grooves from the guide-in grooves, then the number of the winding teeth can be adjusted according to the winding amount, universality is high, then the fixing rings are placed into the clamping grooves, and the screws penetrate through the first screw holes to enter the second screw holes to complete installation.

Description

Technical Field

[0001] The utility model relates to the technical field of stators, and specifically relates to a stator insulation skeleton. Background Art

[0002] A stator is composed of a frame, a stator core, coils, and other structural components for fixing these parts. The frame is used to fix the core. For a suspended generator, the frame is used to bear the entire weight of the rotating part. The core is part of the magnetic circuit of the generator, and the coils form the circuit of the generator.

[0003] Existing stator insulation skeletons are generally integrally cast, but such insulation skeletons are not convenient for adjusting the winding teeth according to the winding amount, have great limitations in use, resulting in poor versatility. At the same time, due to integral casting, the heat dissipation effect also needs to be further improved. Content of the Utility Model

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] For this reason, the technical solution adopted by the utility model is as follows:

[0006] A stator insulation skeleton, comprising: a stator assembly and a winding assembly; the stator assembly includes an insulating frame, a card slot opened in the insulating frame, an introduction slot opened in the insulating frame and located at the end of the card slot, and a positioning mechanism arranged on the insulating frame; the winding assembly includes a winding mechanism clamped in the insulating frame and a heat dissipation mechanism arranged on the winding mechanism; the winding mechanism includes a clamping block clamped in the card slot, a second threaded hole opened in the middle of the clamping block for the screw rod to pass through, winding teeth fixed on the outer side of the clamping block, and a limiting plate adjustably arranged on the winding teeth.

[0007] The utility model can be further configured in a preferred example as: the positioning mechanism includes card slots opened on both sides of the insulating frame, fixing rings placed in the card slots, first threaded holes correspondingly opened on the fixing rings and the insulating frame, and screw rods threadedly connected in the first threaded holes.

[0008] The utility model can be further configured in a preferred example as: the heat dissipation mechanism includes a heat dissipation flow channel opened in the clamping block and communicating the card slot and the second threaded hole, a third threaded hole opened in the winding teeth and communicating with the heat dissipation flow channel, and heat dissipation holes opened in the middle of the limiting plate.

[0009] The utility model can be further configured in a preferred example as: an assembly bolt is arranged on the insulating frame at the end of the introduction slot.

[0010] In a preferred example, the present utility model can be further configured as follows: a threaded tube that is fixedly connected to the inner side of the limiting plate and is threadedly connected to the third threaded hole is provided.

[0011] In a preferred example, the present utility model can be further configured as follows: a limiting groove is formed on the side surface of the winding tooth, and an extension tube that is fixedly connected to the inner side of the limiting plate and is sleeved in the limiting groove is provided.

[0012] The above technical solution of the present utility model has the following beneficial technical effects:

[0013] 1. Through the stator assembly and the winding assembly, the present utility model can snap the clamping block into the clamping groove from the guiding groove, and then the number of winding teeth can be adjusted according to the winding amount, which has high versatility. Then, the fixing ring is placed into the clamping groove, and the installation is completed by passing the screw through the first threaded hole and into the second threaded hole, which has high practicability.

[0014] 2. Through the winding assembly, by means of the lateral slotting of the clamping groove, the present utility model enables the heat to directly pass through and be discharged. At the same time, the heat can also be discharged through the heat dissipation channel, the third threaded hole, and the heat dissipation holes, and can also be transferred to the fixing ring for external heat dissipation, thereby comprehensively improving the heat dissipation effect of the stator. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a cross-sectional view of the stator insulation skeleton of the present utility model;

[0016] Figure 2 is an enlarged view of part A of the stator insulation skeleton of the present utility model;

[0017] Figure 3 is a front view of the stator insulation skeleton of the present utility model.

[0018] REFERENCE NUMERALS:

[0019] 100, stator assembly; 110, insulation frame; 120, clamping groove; 130, guiding groove; 140, clamping groove; 150, fixing ring; 160, first threaded hole; 170, screw; 180, assembly bolt;

[0020] 200, winding assembly; 210, clamping block; 220, second threaded hole; 230, winding tooth; 231, limiting groove; 240, limiting plate; 241, threaded tube; 242, extension tube; 250, heat dissipation channel; 260, third threaded hole; 270, heat dissipation hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] To make the objectives, technical solutions, and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the specific embodiments and with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and the features in the embodiments can be combined with each other.

[0022] The following describes a stator insulation skeleton provided by some embodiments of the present utility model in conjunction with the accompanying drawings.

[0023] Combined Figures 1-3 As shown, a stator insulation skeleton provided by the present utility model includes: a stator assembly 100 and a winding assembly 200; the stator assembly 100 includes an insulating frame 110, a card slot 120 opened in the insulating frame 110, a guiding slot 130 opened in the insulating frame 110 and located at the end of the card slot 120, and a positioning mechanism arranged on the insulating frame 110. The winding assembly 200 includes a winding mechanism clamped in the insulating frame 110 and a heat dissipation mechanism arranged on the winding mechanism. The winding mechanism includes a clamping block 210 clamped in the card slot 120, a second screw hole 220 opened in the middle of the clamping block 210 for the screw 170 to pass through, a winding tooth 230 fixed on the outer side of the clamping block 210, and a limiting plate 240 adjustably arranged on the winding tooth 230. Through the stator assembly 100 and the winding assembly 200, the clamping block 210 can be clamped into the card slot 120 from the guiding slot 130, and then the number of winding teeth 230 can be adjusted according to the winding amount, with high versatility. Then, the fixing ring 150 is placed into the card slot 140, and the screw 170 passes through the first screw hole 160 and enters the second screw hole 220 to complete the installation, with high practicality.

[0024] Further, the positioning mechanism includes card slots 140 opened on both sides of the insulating frame 110, a fixing ring 150 placed in the card slots 140, first screw holes 160 correspondingly opened on the fixing ring 150 and the insulating frame 110, and a screw 170 threadedly connected in the first screw holes 160, which can install and fix the clamping block 210. At the same time, the first screw holes 160 and the connection structure are all made of heat-conducting materials, which can facilitate heat dissipation.

[0025] Further, the heat dissipation mechanism includes a heat dissipation flow channel 250 opened in the clamping block 210 and communicating the card slot 120 and the second screw hole 220, a third screw hole 260 opened in the winding tooth 230 and communicating with the heat dissipation flow channel 250, and a heat dissipation hole 270 opened in the middle of the limiting plate 240. During heat dissipation, in cooperation with the lateral slotting of the card slot 120, heat can directly pass through and be discharged. At the same time, heat can also be discharged through the heat dissipation flow channel 250, the third screw hole 260, and the heat dissipation hole 270, and can also be transferred to the fixing ring 150 for external heat dissipation, thereby comprehensively improving the heat dissipation effect of the stator.

[0026] Specifically, an assembly bolt 180 is provided on the insulating frame 110 at the end of the guiding slot 130, which can disassemble the insulating frame 110 into two plate-like structures.

[0027] Further, a threaded tube 241 fixed to the inner side of the limiting plate 240 is threadedly connected to the third threaded hole 260, so that the position of the limiting plate 240 can be adjusted, and then the length of the winding teeth 230 can be adjusted, which can be adjusted according to the winding amount.

[0028] It should be noted that a limiting groove 231 is formed on the side surface of the winding teeth 230, and an extension tube 242 sleeved in the limiting groove 231 is fixed to the inner side of the limiting plate 240, which can be used for the wire body to wind after adjustment. The limiting plate 240 is used to extend the length of the winding teeth 230.

[0029] The working principle and usage process of the present utility model are as follows: First, the clamping block 210 is inserted into the clamping groove 120 from the guiding groove 130, and then the number of winding teeth 230 can be adjusted according to the winding amount. It can also be placed after winding first, and then the fixing ring 150 is placed in the clamping groove 140, and the installation can be completed by passing the screw rod 170 through the first threaded hole 160 and into the second threaded hole 220.

[0030] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A stator insulation frame, characterized in that: include: A stator assembly (100) and a winding assembly (200); The stator assembly (100) comprises an insulating frame (110), a slot (120) opened in the insulating frame (110), an introduction slot (130) opened in the insulating frame (110) and located at an end of the slot (120), and a positioning mechanism arranged on the insulating frame (110); The winding assembly (200) comprises a winding mechanism clamped in the insulating frame (110) and a heat dissipation mechanism arranged on the winding mechanism; The winding mechanism comprises a clamping block (210) clamped in the clamping slot (120), a second screw hole (220) provided in the middle of the clamping block (210), a winding tooth (230) fixed to the outside of the clamping block (210), and a limiting plate (240) adjustably arranged on the winding tooth (230).

2. The stator insulation frame according to claim 1, characterized in that: The positioning mechanism comprises slots (140) provided on both sides of the insulating frame (110), a fixing ring (150) placed in the slot (140), a screw hole (160) correspondingly provided on the fixing ring (150) and the insulating frame (110), and a screw rod (170) threadedly connected to the screw hole (160).

3. The stator insulation frame according to claim 1, characterized in that: The heat dissipation mechanism comprises a heat dissipation channel (250) opened in the clamping block (210) and connected to the clamping slot (120) and the second screw hole (220), a third screw hole (260) opened in the winding tooth (230) and connected to the heat dissipation channel (250), and a heat dissipation hole (270) opened in the middle of the limiting plate (240).

4. The stator insulation frame according to claim 1, characterized in that: The insulating frame (110) is provided with an assembly bolt (180) located at the end of the introduction groove (130).

5. The stator insulation frame according to claim 1, characterized in that: A threaded tube (241) threadedly connected to the third screw hole (260) is fixed on the inner side of the limiting plate (240).

6. The stator insulation frame according to claim 1, characterized in that: A limiting groove (231) is provided on the side surface of the winding tooth (230), and an extension tube (242) sleeved in the limiting groove (231) is fixed on the inner side of the limiting plate (240).

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