Fixing device for forming stator bar of transposition winding permanent magnet synchronous motor

Abstract

The utility model discloses a fixing device for forming a stator bar of a transposition winding permanent magnet synchronous motor, which relates to the technical field of permanent magnet synchronous motor stator bar fixing and comprises a main fixing seat, an auxiliary fixing seat is arranged below the main fixing seat, and through holes are formed in the auxiliary fixing seat and the main fixing seat. And a fixing block is installed at the bottom of the auxiliary fixing base, a groove is formed in the fixing block, a protrusion is connected to the interior of the groove, a rotating shaft is installed outside the protrusion, and a buckle block is installed outside the rotating shaft. According to the utility model, the main fixing seat, the auxiliary fixing seat, the first fixing groove, the second fixing groove, the first magnetic block and the second magnetic block are arranged, the first magnetic block can be conveniently driven to move by operating the main fixing seat, and the first magnetic block is adsorbed on the second magnetic block, so that the connection work of the fixing seats to the stator bar can be conveniently completed; and the connecting time of the fixing seat is shortened, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet synchronous motor stator wire bar fixing, in particular to a fixing device for forming transposed winding permanent magnet synchronous motor stator wire bars. Background Art

[0002] Permanent magnet motors are made of permanent magnet materials and do not require reactive excitation current, which reduces stator current and loss, and has higher power factor and efficiency. The efficiency of permanent magnet synchronous motors can be 6% higher than that of AC induction motors. The air gap magnetic density of permanent magnet motors can be greatly improved, and the motor indicators can be optimally designed, making the motor smaller and lighter. During installation, the stator wire rods need to be fixed by a fixing device, and most of the existing fixing devices have threaded holes on the four sides. During use, the staff needs to operate a screwdriver to complete the connection of the fixing seat, which results in a long connection time for the fixing seat and reduces the practicality of the fixing seat. Utility Model Content

[0003] The purpose of the utility model is to solve the problem that the existing fixing devices are mostly provided with threaded holes on the four sides. During use, the staff needs to operate a screwdriver to complete the connection work of the fixing seat, which leads to a long connection time of the fixing seat and reduces the practicality of the fixing seat. A fixing device for the stator wire rod of a permanent magnet synchronous motor with a formed transposed winding is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A fixing device for forming a stator bar of a transposed winding permanent magnet synchronous motor, comprising:

[0006] A main fixing seat, a secondary fixing seat is arranged below the main fixing seat, and through holes are provided inside the secondary fixing seat and the main fixing seat, a fixing block is installed at the bottom of the secondary fixing seat, and a groove is provided inside the fixing block, a protrusion is connected inside the groove, and a rotating shaft is installed outside the protrusion, and a snap block is installed outside the rotating shaft, a first fixing groove is provided at the bottom of the main fixing seat, and a first magnetic block is connected inside the first fixing groove, a second fixing groove is provided at the top of the secondary fixing seat, and a second magnetic block is connected inside the second fixing groove, and a stator wire rod is installed on the inner side of the main fixing seat.

[0007] Preferably, a fixing structure is formed between the main fixing seat and the auxiliary fixing seat by a first magnetic block and a second magnetic block, and the length of the second magnetic block is equal to that of the first magnetic block.

[0008] Preferably, a rotating structure is formed between the buckle block and the auxiliary fixing seat through the fixing block, the protrusion and the rotating shaft, and the outer wall of the protrusion is in contact with the inner wall of the groove.

[0009] Preferably, the buckle blocks are distributed in two groups.

[0010] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0011] 1. In the utility model, a main fixing seat, a secondary fixing seat, a first fixing slot, a second fixing slot, a first magnetic block and a second magnetic block are provided. By operating the main fixing seat, the first magnetic block can be conveniently driven to move, and the first magnetic block will be adsorbed on the second magnetic block, so that the connection work of the fixing seat to the stator wire rod is conveniently completed, the connection time of the fixing seat is shortened, and it has high practicality.

[0012] 2. In the utility model, a main fixing seat, a secondary fixing seat, a buckle block, a rotating shaft, a fixing block, a protrusion and a groove are provided. The buckle block can be conveniently driven to rotate by the protrusion and the rotating shaft. The buckle block will be rotated to the main fixing seat, which makes it convenient to reinforce the main fixing seat and avoid the main fixing seat and the secondary fixing seat from being offset, which affects the use of the fixing seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the fixing seat in the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the fixing seat in the utility model;

[0015] Figure 3 for Figure 2 Enlarged structural diagram at A in the middle.

[0016] Legend:

[0017] 1. Main fixing seat; 2. Auxiliary fixing seat; 3. Fixing block; 4. Rotating shaft; 5. Buckle block; 6. Through hole; 7. First fixing groove; 8. First magnetic block; 9. Second fixing groove; 10. Second magnetic block; 11. Groove; 12. Protrusion; 13. Stator wire rod. DETAILED DESCRIPTION

[0018] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0020] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0021] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0022] Reference Figure 1-3, a fixing device for forming a transposed winding permanent magnet synchronous motor stator wire rod, comprising a main fixing seat 1, a sub-fixing seat 2 is arranged below the main fixing seat 1, and the inside of the sub-fixing seat 2 and the inside of the main fixing seat 1 are both provided with through holes 6, a fixing structure is formed between the main fixing seat 1 and the sub-fixing seat 2 through a first magnetic block 8 and a second magnetic block 10, and the length of the second magnetic block 10 is equal to the length of the first magnetic block 8, the main fixing seat 1 is manually operated, the main fixing seat 1 drives the first magnetic block 8 to move the first magnetic block 8 to move to the second magnetic block 10, so that it is convenient to complete the fixing work between the main fixing seat 1 and the sub-fixing seat 2 which have been connected with the stator wire rod 13, a fixing block 3 is installed at the bottom of the sub-fixing seat 2, and a groove 11 is opened inside the fixing block 3, a protrusion 12 is connected inside the groove 11, and a rotating shaft 4 is installed outside the protrusion 12, and a buckle block 5 is installed outside the rotating shaft 4, and a rotating structure is formed between the buckle block 5 and the sub-fixing seat 2 through the fixing block 3, the protrusion 12, and the rotating shaft 4, The outer wall of the protrusion 12 contacts the inner wall of the groove 11, and the manual buckle block 5 is rotated by the fixing block 3, the protrusion 12, and the rotating shaft 4. The buckle block 5 will be rotated to the outside of the main fixing seat 1, so that it is convenient to complete the disassembly work of the main fixing seat 1 and the auxiliary fixing seat 2 that have been connected with the stator wire rod 13. The buckle block 5 is distributed in two groups. The manual buckle block 5 is rotated, and the buckle block 5 is rotated to the main fixing seat 1, so that it is convenient to complete the disassembly work of the main fixing seat 1 and the auxiliary fixing seat 2 that have been connected with the stator wire rod 13. The fixing work between the main fixing seat 1 and the auxiliary fixing seat 2 of the wire rod 13 is that a first fixing groove 7 is opened at the bottom of the main fixing seat 1, and the first fixing groove 7 is connected to the inside of the first fixing groove 7. A second fixing groove 9 is opened at the top of the auxiliary fixing seat 2, and the second fixing groove 9 is connected to the inside of the second magnetic block 10. The stator wire rod 13 is installed on the inner side of the main fixing seat 1, and the outer side of the auxiliary fixing seat 2 can be connected to the inner wall of the permanent magnet motor housing, thereby completing the installation of the stator wire rod 13 to the inside of the permanent magnet motor housing.

[0023] Working principle: When in use, first manually operate the main fixing seat 1, the main fixing seat 1 drives the first magnetic block 8 to move, the first magnetic block 8 will move to the second magnetic block 10 in the auxiliary fixing seat 2, and the first magnetic block 8 and the second magnetic block 10 will be adsorbed, so that it is convenient to complete the connection work between the main fixing seat 1 and the auxiliary fixing seat 2 that are already connected with the stator wire rod 13, and manually operate the buckle block 5, the buckle block 5 will be rotated, and the buckle block 5 will be rotated to the main fixing seat 1, so that it is convenient to complete the reinforcement work between the main fixing seat 1 and the auxiliary fixing seat 2 that are already connected with the stator wire rod 13, and avoid the main fixing seat 1 and the auxiliary fixing seat 2 from being offset, which affects the use of the fixing seat.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fixing device for forming a stator bar of a transposed winding permanent magnet synchronous motor, characterized in that: include: A main fixed seat (1), a secondary fixed seat (2) is arranged below the main fixed seat (1), and through holes (6) are provided inside the secondary fixed seat (2) and the main fixed seat (1), a fixed block (3) is installed at the bottom of the secondary fixed seat (2), and a groove (11) is provided inside the fixed block (3), a protrusion (12) is connected inside the groove (11), and a rotating shaft (4) is installed outside the protrusion (12), and a buckle block (5) is installed outside the rotating shaft (4), a first fixed groove (7) is provided at the bottom of the main fixed seat (1), and a first magnetic block (8) is connected inside the first fixed groove (7), a second fixed groove (9) is provided at the top of the secondary fixed seat (2), and a second magnetic block (10) is connected inside the second fixed groove (9), and a stator wire rod (13) is installed inside the main fixed seat (1).

2. The fixing device for forming a stator bar of a transposed winding permanent magnet synchronous motor according to claim 1, characterized in that: A fixing structure is formed between the main fixing seat (1) and the auxiliary fixing seat (2) by means of a first magnetic block (8) and a second magnetic block (10), and the length of the second magnetic block (10) is equal to that of the first magnetic block (8).

3. The fixing device for forming stator bars of transposed winding permanent magnet synchronous motor according to claim 1, characterized in that: The buckle block (5) and the auxiliary fixing seat (2) form a rotating structure through the fixing block (3), the protrusion (12) and the rotating shaft (4), and the outer wall of the protrusion (12) is in contact with the inner wall of the groove (11).

4. The fixing device for forming stator bars of transposed winding permanent magnet synchronous motor according to claim 1, characterized in that: The buckle blocks (5) are distributed in two groups.

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