Protection structure for permanent magnet motor

Abstract

The utility model discloses a protection structure for a permanent magnet motor, which comprises a supporting seat and bottom plates, two groups of bottom plates are arranged above the supporting seat, the top ends of the bottom plates are symmetrically provided with supporting columns, the outer walls of the supporting columns are provided with supporting blocks, the top ends of the supporting blocks are movably provided with electric push rods, and the electric push rods are connected with the supporting columns. Push arms are installed at the output ends of the electric push rods, rotating arms are installed at the top ends of the supporting columns, linkage shafts are installed on the sides, close to the supporting columns, of the rotating arms, the rotating arms are movably connected with the supporting columns through the linkage shafts, and movable shafts are installed at the ends, close to the push arms, of the rotating arms. According to the utility model, convenient linkage opposite rotation protection of the motor and convenient opposite movement adjustment of the length of the adaptive motor are realized, rapid taking and placing of the motor and telescopic movable adaptive protection of the motor are facilitated, and the protection flexibility is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of protective structures, in particular to a protective structure for a permanent magnet motor. Background Art

[0002] Permanent magnet synchronous motors are mainly composed of various components such as rotors, end covers and stators. The stator structure of permanent magnet synchronous motors is very similar to that of ordinary induction motors. The biggest difference between the rotor structure and that of asynchronous motors is that high-quality permanent magnet poles are placed on the rotor. According to the different positions of the permanent magnets on the rotor, permanent magnet synchronous motors are usually divided into surface rotor structures and built-in rotor structures. In order to better use permanent magnet motors, a protective structure for permanent magnet motors is proposed.

[0003] For example, a protective structure for an energy-efficient permanent magnet motor disclosed in authorization publication number CN209313583U includes a cylindrical casing, the casing including a front end and a rear end, a plurality of heat dissipation cavities protruding from the inside to the outside provided on the casing, a plurality of heat dissipation holes connected to the heat dissipation cavities provided on the front end of the casing, a retaining ring provided on the inner wall of the front end of the casing facing the heat dissipation holes, a guide channel formed between the retaining ring and the heat dissipation holes, and an adsorption layer provided on the side of the retaining ring facing the heat dissipation holes;

[0004] Although it achieves the heat dissipation performance and electrical reliability of the motor winding, it does not solve the problem that the existing protection structure is not conducive to convenient linkage and opposite rotation to protect the motor and convenient opposite movement to adjust the length of the motor during use. It is not conducive to rapid removal and placement of the motor and telescopic and movable adaptive protection of the motor, which greatly affects the flexibility of the protection. Utility Model Content

[0005] The purpose of the present utility model is to provide a protective structure for a permanent magnet motor, so as to solve the problem in the above-mentioned background technology that the protective structure is not convenient for convenient linkage and opposite rotation to protect the motor and convenient opposite movement to adjust the length of the adaptable motor, is not conducive to the rapid removal and placement of the motor and the telescopic and movable adaptive protection of the motor, and affects the flexibility of the protection.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective structure for a permanent magnet motor, comprising a support base and a base plate, two groups of base plates are arranged above the support base, the tops of the base plates are symmetrically installed with support columns, the outer walls of the support columns are installed with support blocks, the tops of the support blocks are movably installed with electric push rods, the output ends of the electric push rods are installed with push arms, the tops of the support columns are installed with rotating arms, the sides of the rotating arms close to the support columns are installed with linkage shafts, and the rotating arms are movably connected to the support columns through the linkage shafts, the ends of the rotating arms close to the push arms are installed with movable shafts, and the rotating arms are movably connected to the push arms through the movable shafts, the tops of the rotating arms are installed with connecting frames, the inner walls of the support columns are movably installed with card shafts, the surfaces of the card shafts are all covered with support wheels, support platforms are arranged above the base plates, and the support platforms are slidably connected to the support wheels, the tops of the rotating arms are installed with arc frames, the bottom ends of the arc frames are installed with pins, and the arc frames are movably connected to the support platforms through the pins.

[0007] Preferably, a placement plate is installed on the top of each support platform, and a support plate is provided at one adjacent end of the two groups of placement plates, and the placement plate extends to the inside of the support plate.

[0008] Preferably, slide rails are symmetrically installed on the side walls of the arc-shaped frame, and two sets of hinge shafts are symmetrically installed on the inner wall of the connecting frame.

[0009] Preferably, the surfaces of the hinge shafts are movably covered with rollers, and the rollers are slidably connected to the slide rails.

[0010] Preferably, protective plates are installed on the inner walls of the arc-shaped frame, and support sleeves are provided at adjacent ends of the two sets of protective plates, and the protective plates extend to the interior of the support sleeves.

[0011] Preferably, a support seat is provided below the base plate, a servo motor is installed on the inner wall of the support seat, a bidirectional threaded rod is installed at the output end of the servo motor, and the bidirectional threaded rod is movably connected to the support seat.

[0012] Preferably, the surface of the bidirectional threaded rod is covered with two sets of bidirectional threaded sleeves, and the bidirectional threaded sleeves are threadedly connected to the bidirectional threaded rod, and the bidirectional threaded sleeves are slidingly connected to the support seat, and the bidirectional threaded sleeves are respectively connected to the base plate.

[0013] Preferably, a remote controller is installed on the outer wall of the support seat, and the output end of the remote controller is electrically connected to the input end of the electric push rod and the servo motor.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the protective structure not only realizes convenient linkage and opposite rotation to protect the motor and convenient opposite movement to adjust the length of the motor, facilitates the rapid removal and placement of the motor and the telescopic and movable adaptive protection of the motor, but also improves the flexibility of the protection;

[0015] (1) The push arm is driven to move by the electric push rod, and the push arm drives the rotating arm to rotate with the linkage shaft as the axis through the movable shaft, and the rotating arm drives the connecting frame to rotate, and the connecting frame drives the hinge shaft to rotate, and the hinge shaft drives the roller to slide on the surface of the slide rail, and the roller drives the arc frame to rotate with the pin shaft as the axis through the slide rail, and the pin shaft drives the protective plate to rotate, so that the two sets of protective plates are close to each other and form an arc-shaped protective structure. At the same time, under the active cooperation of the card shaft, the support wheel provides active support for the support platform. When the permanent magnet motor needs to be taken out, the electric push rod is opened in the reverse direction to drive the protective plate to open, so as to facilitate the removal of the permanent magnet motor, thereby realizing convenient linkage and opposite rotation of the protective motor, and facilitating the rapid removal and placement of the motor;

[0016] (2) The servo motor drives the bidirectional threaded rod to rotate, and the bidirectional threaded sleeve drives the two sets of base plates to move toward each other, and the base plate drives the protective plate to move inside the support sleeve to make the two sets of protective plates close to each other. At the same time, the base plate drives the placement plate to move inside the support plate to make the two sets of placement plates close to each other, thereby adjusting and adapting permanent magnet motors of different lengths, realizing convenient adjustment of the motor length by moving toward each other, facilitating the telescopic and movable adaptation protection of the motor, and improving the flexibility of protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic side cross-sectional structural diagram of the bottom plate of the present utility model;

[0019] Figure 3 This is a schematic diagram of the front cross-sectional structure of the support base of the present invention;

[0020] Figure 4 This is a schematic diagram of a top cross-sectional structure of the support plate of the present invention;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the arc frame of the present invention.

[0022] In the figure: 1. Support seat; 2. Base plate; 3. Placement plate; 4. Protective plate; 5. Support column; 6. Electric push rod; 7. Push arm; 8. Movable shaft; 9. Linkage shaft; 10. Rotating arm; 11. Arc frame; 12. Roller; 13. Articulated shaft; 14. Slide rail; 15. Clamping shaft; 16. Support plate; 17. Support platform; 18. Support wheel; 19. Servo motor; 20. Bidirectional threaded sleeve; 21. Bidirectional threaded rod; 22. Support sleeve; 23. Pin shaft; 24. Connecting frame; 25. Remote controller; 26. Support block. DETAILED DESCRIPTION

[0023] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-5 The utility model provides an embodiment: a protective structure for a permanent magnet motor, including a support base 1 and a base plate 2, two groups of base plates 2 are arranged above the support base 1, the tops of the base plates 2 are symmetrically installed with support columns 5, the outer walls of the support columns 5 are installed with support blocks 26, the tops of the support blocks 26 are movably installed with electric push rods 6, the electric push rods 6 play the role of power drive, the output ends of the electric push rods 6 are installed with push arms 7, the tops of the support columns 5 are installed with rotating arms 10, the side of the rotating arms 10 close to the support columns 5 is installed with a linkage shaft 9, and the rotating arms 10 are connected to the support columns 5 through the linkage shaft 9. The support column 5 is movably connected, and the end of the rotating arm 10 close to the push arm 7 is equipped with a movable shaft 8, and the rotating arm 10 is movably connected to the push arm 7 through the movable shaft 8. The top of the rotating arm 10 is equipped with a connecting frame 24. The inner wall of the support column 5 is movably equipped with a card shaft 15, and the surface of the card shaft 15 is equipped with a support wheel 18. A support platform 17 is provided above the bottom plate 2, and the support platform 17 is slidably connected to the support wheel 18. The top of the rotating arm 10 is equipped with an arc frame 11, and the bottom end of the arc frame 11 is equipped with a pin 23, and the arc frame 11 is movably connected to the support platform 17 through the pin 23;

[0025] First, the device is connected to the external circuit, and the permanent magnet motor is placed on the placement plate 3 and the support plate 16. The electric push rod 6 is turned on by the remote controller 25. Under the active cooperation of the support block 26 and the electric push rod 6, the electric push rod 6 drives the push arm 7 to move. Under the support of the support column 5, the push arm 7 drives the rotating arm 10 to rotate with the linkage shaft 9 as the axis through the movable shaft 8. The rotating arm 10 drives the connecting frame 24 to rotate, and the connecting frame 24 drives the hinge shaft 13 to rotate. The hinge shaft 13 drives the roller 12 to slide on the surface of the slide rail 14. Under the support of 17, the roller 12 drives the arc frame 11 to rotate with the pin 23 as the axis through the slide rail 14, and the pin 23 drives the protective plate 4 to rotate, so that the two groups of protective plates 4 are close to each other and form an arc-shaped protective structure. At the same time, under the active cooperation of the card shaft 15, the support wheel 18 provides active support for the support platform 17. When the permanent magnet motor needs to be taken out, the electric push rod 6 is opened in the reverse direction to drive the protective plate 4 to open, so as to facilitate the removal of the permanent magnet motor, thereby realizing convenient linkage and opposite rotation of the protective motor, and facilitating the rapid removal and placement of the motor.

[0026] The top of each support platform 17 is provided with a placement plate 3, and adjacent ends of the two sets of placement plates 3 are provided with a support plate 16, and the placement plates 3 extend to the inside of the support plate 16;

[0027] Slide rails 14 are symmetrically mounted on the side walls of the arc-shaped frame 11, and two sets of hinge shafts 13 are symmetrically mounted on the inner wall of the connecting frame 24. Rollers 12 are movably mounted on the surfaces of the hinge shafts 13, and the rollers 12 are slidably connected to the slide rails 14.

[0028] A protective plate 4 is installed on the inner wall of the arc frame 11, and a support sleeve 22 is provided at one end adjacent to the two sets of protective plates 4, and the protective plates 4 extend into the interior of the support sleeve 22. A support base 1 is provided below the bottom plate 2, and a servo motor 19 is installed on the inner wall of the support base 1. The servo motor 19 plays a role of power drive. A bidirectional threaded rod 21 is installed at the output end of the servo motor 19, and the bidirectional threaded rod 21 is movably connected to the support base 1;

[0029] The surface of the bidirectional threaded rod 21 is covered with two sets of bidirectional threaded sleeves 20, and the bidirectional threaded sleeves 20 are threadedly connected to the bidirectional threaded rod 21, and the bidirectional threaded sleeves 20 are slidably connected to the support base 1, and the bidirectional threaded sleeves 20 are respectively connected to the bottom plate 2;

[0030] A remote controller 25 is mounted on the outer wall of the support base 1 , and the output end of the remote controller 25 is electrically connected to the electric push rod 6 and the input end of the servo motor 19 ;

[0031] When the lengths of the permanent magnet motors to be protected are different, the servo motor 19 is turned on by the remote controller 25, and the servo motor 19 drives the bidirectional threaded rod 21 to rotate. Under the threaded connection between the bidirectional threaded rod 21 and the bidirectional threaded sleeve 20, and under the sliding cooperation between the bidirectional threaded sleeve 20 and the support seat 1, the bidirectional threaded sleeve 20 drives the two groups of base plates 2 to move toward each other, and the base plate 2 drives the protective plate 4 to move inside the support sleeve 22, so that the two groups of protective plates 4 are close to each other. At the same time, the base plate 2 drives the placement plate 3 to move inside the support plate 16, so that the two groups of placement plates 3 are close to each other, thereby adjusting and adapting to permanent magnet motors of different lengths, realizing convenient adjustment of the motor length by moving toward each other, facilitating the telescopic and movable adaptive protection of the motor, and improving the flexibility of protection.

[0032] Working principle: First, connect the device to the external circuit, place the permanent magnet motor on the placement plate 3 and the support plate 16, and the electric push rod 6 drives the push arm 7 to move, and the push arm 7 drives the rotating arm 10 to rotate with the linkage shaft 9 as the axis through the movable shaft 8, and the rotating arm 10 drives the connecting frame 24 to rotate, and the connecting frame 24 drives the hinge shaft 13 to rotate, and the hinge shaft 13 drives the roller 12 to slide on the surface of the slide rail 14, and the roller 12 drives the arc frame 11 to rotate with the pin shaft 23 as the axis through the slide rail 14, and the pin shaft 23 drives the protective plate 4 to rotate, so that the two groups of protective plates 4 are close to each other and form an arc-shaped protective structure. At the same time, under the active cooperation of the card shaft 15, the support wheel 18 provides movable support for the support platform 17. When the permanent magnet motor needs to be taken out, the protective plate 4 can be driven to open by opening the electric push rod 6 in the reverse direction to facilitate the removal of the permanent magnet motor. When the permanent magnet motors that need to be protected are of different lengths, the servo motor 19 drives the bidirectional threaded rod 21 to rotate, and the bidirectional threaded sleeve 20 drives the two groups of base plates 2 to move toward each other, and the base plate 2 drives the protective plate 4 to move inside the support sleeve 22 to make the two groups of protective plates 4 close to each other. At the same time, the base plate 2 drives the placement plate 3 to move inside the support plate 16 to make the two groups of placement plates 3 close to each other, thereby adjusting to adapt to permanent magnet motors of different lengths to complete the use of the protective structure for permanent magnet motors.

Claims

1. A protective structure for a permanent magnet motor, comprising a support base (1) and a base plate (2), characterized in that: Two groups of base plates (2) are arranged above the support seat (1), and support columns (5) are symmetrically installed on the top of the base plates (2), and support blocks (26) are installed on the outer walls of the support columns (5). Electric push rods (6) are movably installed on the top of the support blocks (26), and push arms (7) are installed on the output ends of the electric push rods (6). Rotating arms (10) are installed on the top of the support columns (5), and a linkage shaft (9) is installed on the side of the rotating arms (10) close to the support columns (5), and the rotating arms (10) are movably connected to the support columns (5) through the linkage shaft (9), and the rotating arms (10) are installed on the end close to the push arms (7). A movable shaft (8) is provided, and the rotating arm (10) is movably connected to the push arm (7) through the movable shaft (8); a connecting frame (24) is installed at the top end of the rotating arm (10); a clamping shaft (15) is movably installed on the inner wall of the support column (5); a support wheel (18) is mounted on the surface of the clamping shaft (15); a support platform (17) is provided above the bottom plate (2), and the support platform (17) is slidably connected to the support wheel (18); an arc frame (11) is installed at the top end of the rotating arm (10); a pin shaft (23) is installed at the bottom end of the arc frame (11), and the arc frame (11) is movably connected to the support platform (17) through the pin shaft (23).

2. A protective structure for a permanent magnet motor according to claim 1, characterized in that: The top of each of the support platforms (17) is provided with a placement plate (3), and a support plate (16) is provided at one adjacent end of the two groups of placement plates (3), and the placement plates (3) extend to the inside of the support plate (16).

3. The protective structure for a permanent magnet motor according to claim 1, characterized in that: The side walls of the arc-shaped frame (11) are symmetrically mounted with slide rails (14), and the inner walls of the connecting frame (24) are symmetrically mounted with two sets of hinge shafts (13).

4. A protective structure for a permanent magnet motor according to claim 3, characterized in that: The surface of the hinge shaft (13) is movably sleeved with a roller (12), and the roller (12) is slidably connected to the slide rail (14).

5. The protective structure for a permanent magnet motor according to claim 3, characterized in that: The inner wall of the arc-shaped frame (11) is provided with a protective plate (4), and a support sleeve (22) is provided at one adjacent end of two groups of protective plates (4), and the protective plates (4) extend into the interior of the support sleeve (22).

6. The protective structure for a permanent magnet motor according to claim 1, characterized in that: A support seat (1) is arranged below the base plate (2), a servo motor (19) is installed on the inner wall of the support seat (1), a bidirectional threaded rod (21) is installed at the output end of the servo motor (19), and the bidirectional threaded rod (21) is movably connected to the support seat (1).

7. A protective structure for a permanent magnet motor according to claim 6, characterized in that: The surface of the bidirectional threaded rod (21) is sleeved with two groups of bidirectional threaded sleeves (20), the bidirectional threaded sleeves (20) are threadedly connected to the bidirectional threaded rod (21), and the bidirectional threaded sleeves (20) are slidably connected to the support seat (1), and the bidirectional threaded sleeves (20) are respectively connected to the bottom plate (2).

8. The protective structure for a permanent magnet motor according to claim 1, characterized in that: A remote controller (25) is installed on the outer wall of the support seat (1), and the output end of the remote controller (25) is electrically connected to the input end of the electric push rod (6) and the servo motor (19).

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