Coil winding device of large-current dry-type power transformer

Abstract

The utility model discloses a coil winding device of a large-current dry-type power transformer, and relates to the technical field of transformers. A fixed supporting plate is fixedly connected to the top face of the bottom plate, a movable supporting plate is slidably connected to the position, on one side of the fixed supporting plate, of the top face of the bottom plate, a winding frame is detachably arranged between the fixed supporting plate and the movable supporting plate, a motor is arranged on the side, opposite to the movable supporting plate, of the fixed supporting plate, and a transverse plate is arranged on one side of the winding frame. A third belt pulley fixedly sleeves the side wall of the transmission shaft; a second synchronous belt is arranged on the side wall of the third belt pulley; a fixed block is fixedly connected to the outer side wall of the second synchronous belt; a shifting rod is fixedly connected to the side wall of the fixed block; according to the coil winding device, coils can be evenly wound on the winding frame, the coils are prevented from being stacked at one position, and the winding frame can be conveniently taken and placed.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a coil winding device for a large-current dry-type power transformer. Background Technique

[0002] A transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. Its main components are the primary coil, secondary coil, and iron core. Its main functions include voltage transformation, current exchange, impedance transformation, isolation, and voltage stabilization. Transformers can be divided into power transformers and special transformers according to their uses. Dry-type transformers are widely used in places such as local lighting, high-rise buildings, airports, and docks. Simply put, a dry-type transformer is a transformer in which the iron core and winding are not immersed in insulating oil.

[0003] When the existing transformer coil is wound through a winding frame, there is a situation where the coils are stacked in one place, and it is not easy to remove the winding frame from the placement seat after winding. In view of the above problems, the inventor proposes a coil winding device for a large-current dry-type power transformer to solve the above problems. Content of the Utility Model

[0004] In order to solve the situation that when the existing transformer coil is wound through a winding frame, the coils are stacked in one place, and the winding frame is not easy to remove from the placement seat; the purpose of the utility model is to provide a coil winding device for a large-current dry-type power transformer.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: A coil winding device for a large-current dry-type power transformer, including a bottom plate, a fixed support plate is fixedly connected to the top surface of the bottom plate, a movable support plate is slidably connected to the top surface of the bottom plate and on one side of the fixed support plate, a winding frame is detachably arranged between the fixed support plate and the movable support plate, a motor is arranged on the side of the fixed support plate facing away from the movable support plate, a cross plate is arranged on one side of the winding frame, transmission shafts are inserted and rotatably connected to both ends of the side wall of the cross plate, a third belt pulley is fixedly sleeved on the side wall of the transmission shaft, a second synchronous belt is arranged on the side wall of the third belt pulley, a fixing block is fixedly connected to the outer side wall of the second synchronous belt, a dial rod is fixedly connected to the side wall of the fixing block, a wire ring is arranged on the side of the cross plate facing away from the winding frame, the wire ring includes a ring opening, the dial rod is located in the ring opening, and a ring sleeve is arranged above the wire ring.

[0006] Preferably, clamping cylinders are fixedly connected to both axial ends of the coiling frame. A clamping rod is inserted and rotatably connected to the surfaces of the fixed support plate and the movable support plate facing the coiling frame. The clamping cylinder corresponds to and cooperates with the clamping rod. The output shaft end of the motor is fixedly connected to a rotating shaft. The axis of the rotating shaft coincides with the axis of the clamping rod, and one end of the rotating shaft is fixedly connected to the rod end of one of the clamping rods. A stepped groove is provided on the top surface of the bottom plate. A convex plate is fixedly connected to the surface of the movable support plate facing away from the fixed support plate. A fastening bolt is inserted through the top surface of the convex plate. The head of the fastening bolt corresponds to and cooperates with the large notch of the stepped groove, and the rod portion of the fastening bolt corresponds to and cooperates with the small notch of the stepped groove. A nut is threadedly sleeved on the side wall of the fastening bolt. The coiling frame is used for coiling the coil. After the coiling is completed, when it is necessary to remove the coiled coiling frame, loosen the nut so that the fastening bolt can move in the stepped groove, and then the movable support plate can be removed from the bottom plate, and further the coiled coiling frame can be removed from the fixed support plate and the movable support plate. When it is necessary to install a new coiling frame, just operate in the reverse direction to complete the installation. Start the motor, and the rotating shaft rotates under the action of the output shaft of the motor. Through the mutual cooperation of the clamping cylinder and the clamping rod, the coiling frame can be rotated to coil the coil.

[0007] Preferably, a base is provided on the side wall of the motor. The side wall of the base is fixedly connected to the side wall of the fixed support plate. A first bevel gear is fixedly sleeved on the output shaft of the motor. A second bevel gear is meshed with the side wall of the first bevel gear. A horizontal shaft is inserted and fixedly connected to the middle of the side wall of the second bevel gear. A first belt pulley is fixedly connected to the end of the horizontal shaft away from the second bevel gear. A first synchronous belt is provided on the side wall of the first belt pulley. A second belt pulley is fixedly connected to the end of the transmission shaft away from the third belt pulley. The first synchronous belt cooperates with the second belt pulley. The motor is installed through the base. Start the motor, and the first bevel gear rotates under the action of the output shaft of the motor. Through the mutual meshing of the first bevel gear and the second bevel gear, the horizontal shaft can drive the first belt pulley to rotate. Through the first synchronous belt, the second belt pulley can be rotated. Through the transmission shaft, the second belt pulley can be rotated, and further the second synchronous belt can be rotated. Through the fixed block, the shift lever can be moved.

[0008] Preferably, a fixing plate is fixedly connected to the side wall of the collar. The bottom surface of the fixing plate is fixedly connected to the top surface of the wire ring. Vertical plates are fixedly connected to both side surfaces of the cross plate. The bottom surface of the vertical plate is fixedly connected to the top surface of the bottom plate. A chute is provided on the side wall of the cross plate. A sliding plate is fixedly connected to the side wall of the wire ring. The sliding plate corresponds to the chute and is slidably connected thereto. When the lever moves within the ring opening, through the mutual cooperation of the sliding plate and the chute, the wire ring can be made to move smoothly back and forth left and right. Furthermore, through the collar, the coil to be wound can be moved left and right, so that the coil is wound evenly on the winding rack, avoiding accumulation at one place.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0010] 1. In the present utility model, the winding rack can wind and roll up the coil, and the wire ring that can move back and forth left and right can make the coil wind evenly on the winding rack, avoiding the coil from accumulating at one place.

[0011] 2. In the present utility model, it is convenient to take and place the winding rack. After the winding rack finishes winding the coil, loosen the nut so that the fastening bolt can move within the stepped groove, and then the moving support plate can be removed from the bottom plate. Furthermore, the wound winding rack can be removed from the fixed support plate and the moving support plate. When a new winding rack needs to be installed, just operate in the reverse direction to complete the installation, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0014] Figure 2 It is another schematic diagram of the overall structure of the present utility model.

[0015] Figure 3 It is a schematic diagram of the wire ring structure of the present utility model.

[0016] Figure 4 It is a schematic diagram of the bottom plate structure of the present utility model.

[0017] Figure 5 It is an enlarged view of part A of the present utility model.

[0018] In the figure: 1, bottom plate; 2, fixed support plate; 3, movable support plate; 4, winding frame; 5, clamping cylinder; 6, stepped groove; 7, convex plate; 8, fastening bolt; 9, motor; 10, base; 11, rotating shaft; 12, first bevel gear; 13, second bevel gear; 14, horizontal shaft; 15, first pulley; 16, first synchronous belt; 17, second pulley; 18, transmission shaft; 19, third pulley; 20, second synchronous belt; 21, horizontal plate; 22, vertical plate; 23, wire loop; 24, loop opening; 25, sliding plate; 26, fixing plate; 27, loop sleeve; 28, fixing block; 29, lever. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Embodiment: As Figures 1-5 shown, the present invention provides a coil winding device for a large current dry-type power transformer, including a bottom plate 1, a fixed support plate 2 fixedly connected to the top surface of the bottom plate 1, a movable support plate 3 slidably connected to the top surface of the bottom plate 1 and on one side of the fixed support plate 2, a winding frame 4 detachably arranged between the fixed support plate 2 and the movable support plate 3, a motor 9 arranged on the side of the fixed support plate 2 facing away from the movable support plate 3, a horizontal plate 21 arranged on one side of the winding frame 4, transmission shafts 18 rotatably inserted through both ends of the side wall of the horizontal plate 21, a third pulley 19 fixedly sleeved on the side wall of the transmission shaft 18, a second synchronous belt 20 arranged on the side wall of the third pulley 19, a fixing block 28 fixedly connected to the outer side wall of the second synchronous belt 20, a lever 29 fixedly connected to the side wall of the fixing block 28, a wire loop 23 arranged on the side of the horizontal plate 21 facing away from the winding frame 4, the wire loop 23 including a loop opening 24, the lever 29 being located in the loop opening 24, and a loop sleeve 27 arranged above the wire loop 23.

[0021] Both shaft ends of the winding frame 4 are fixedly connected with clamping cylinders 5, a clamping rod is rotatably inserted through the surfaces of the fixed support plate 2 and the movable support plate 3 facing the winding frame 4, the clamping cylinders 5 correspond to and cooperate with the clamping rod, the output shaft end of the motor 9 is fixedly connected with a rotating shaft 11, the axis of the rotating shaft 11 coincides with the axis of the clamping rod, and one end of the rotating shaft 11 is fixedly connected with the rod end of one of the clamping rods. A stepped groove 6 is arranged on the top surface of the bottom plate 1, a convex plate 7 is fixedly connected to the surface of the movable support plate 3 facing away from the fixed support plate 2, a fastening bolt 8 is inserted through the top surface of the convex plate 7, the head of the fastening bolt 8 corresponds to and cooperates with the large notch of the stepped groove 6, the rod part of the fastening bolt 8 corresponds to and cooperates with the small notch of the stepped groove 6, and a nut is threadedly sleeved on the side wall of the fastening bolt 8.

[0022] By adopting the above technical solution, the winding frame 4 is used for winding the coil. After the winding is completed, when it is necessary to remove the wound winding frame 4, loosen the nut so that the fastening bolt 8 can move in the stepped groove 6, and then the moving support plate 3 can be removed from the bottom plate 1. Furthermore, the wound winding frame 4 can be removed from the fixed support plate 2 and the moving support plate 3. When it is necessary to install a new winding frame 4, just operate in the reverse direction to complete the installation. Start the motor 9, and the rotating shaft 11 rotates under the action of the output shaft of the motor 9. Through the mutual cooperation of the clamping cylinder 5 and the clamping rod, the winding frame 4 can be rotated to wind the coil.

[0023] A base 10 is arranged on the side wall of the motor 9, and the side wall of the base 10 is fixedly connected to the side wall of the fixed support plate 2. A first bevel gear 12 is fixedly sleeved on the output shaft of the motor 9. A second bevel gear 13 is meshed with the side wall of the first bevel gear 12. A cross shaft 14 is fixedly connected in the middle of the side wall of the second bevel gear 13. A first pulley 15 is fixedly connected to the end of the cross shaft 14 away from the second bevel gear 13. A first synchronous belt 16 is arranged on the side wall of the first pulley 15. A second pulley 17 is fixedly connected to the end of the transmission shaft 18 away from the third pulley 19. The first synchronous belt 16 is matched with the second pulley 17.

[0024] By adopting the above technical solution, the motor 9 is installed through the base 10. Start the motor 9, and the first bevel gear 12 rotates under the action of the output shaft of the motor 9. Through the mutual meshing of the first bevel gear 12 and the second bevel gear 13, the cross shaft 14 can drive the first pulley 15 to rotate. Through the first synchronous belt 16, the second pulley 17 can be rotated. Through the transmission shaft 18, the second pulley 17 can be rotated. Furthermore, the second synchronous belt 20 can be rotated. Through the fixed block 28, the dial rod 29 can be moved.

[0025] A fixing plate 26 is fixedly connected to the side wall of the collar 27, and the bottom surface of the fixing plate 26 is fixedly connected to the top surface of the wire ring 23. Vertical plates 22 are fixedly connected to both side surfaces of the cross plate 21, and the bottom surfaces of the vertical plates 22 are fixedly connected to the top surface of the bottom plate 1.

[0026] By adopting the above technical solution, a sliding groove is arranged on the side wall of the cross plate 21. A sliding plate 25 is fixedly connected to the side wall of the wire ring 23. The sliding plate 25 corresponds to the sliding groove and is slidably connected thereto. When the dial rod 29 moves in the ring opening 24, through the mutual cooperation of the sliding plate 25 and the sliding groove, the wire ring 23 can move smoothly in a left-right reciprocating manner. Furthermore, through the collar 27, the coil to be wound can be moved left and right so that the coil is wound evenly on the winding frame 4 and avoids piling up in one place.

[0027] Working principle: When the utility model is in use, the coil to be wound is passed through the loop 27 and fixed to the winding frame 4. The motor 9 is started, and the rotating shaft 11 rotates under the action of the output shaft of the motor 9. Through the mutual cooperation of the clamping cylinder 5 and the clamping rod, the winding frame 4 can be rotated to wind the coil.

[0028] At the same time, the first bevel gear 12 rotates under the action of the output shaft of the motor 9. Through the meshing of the first bevel gear 12 and the second bevel gear 13, the cross shaft 14 can drive the first pulley 15 to rotate. Through the first synchronous belt 16, the second pulley 17 can be driven to rotate. Through the transmission shaft 18, the second pulley 17 can be driven to rotate, and then the second synchronous belt 20 can be driven to rotate. Through the fixed block 28, the lever 29 can be moved. And when the lever 29 moves in the loop opening 24, through the mutual cooperation of the sliding plate 25 and the sliding groove, the wire loop 23 can move smoothly left and right reciprocally. Furthermore, through the loop 27, the coil to be wound can move left and right, so that the coil is wound evenly on the winding frame 4 to avoid accumulation in one place.

[0029] When it is necessary to remove the wound winding frame 4, loosen the nut so that the fastening bolt 8 can move in the stepped groove 6, and the moving support plate 3 can be removed from the bottom plate 1. Then, the wound winding frame 4 can be removed from the fixed support plate 2 and the moving support plate 3. When it is necessary to install a new winding frame 4, just operate in the reverse direction to complete the installation.

[0030] Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and its equivalent technologies, the utility model is also intended to include these changes and modifications.

Claims

1. A coil winding device for a high current dry-type power transformer, comprising a base plate (1), characterized in that: The top surface of the bottom plate (1) is fixedly connected to a fixed support plate (2), a movable support plate (3) is slidably connected to the top surface of the bottom plate (1) and on one side of the fixed support plate (2), a winding frame (4) is detachably arranged between the fixed support plate (2) and the movable support plate (3), a motor (9) is arranged on the side of the fixed support plate (2) facing away from the movable support plate (3), a transverse plate (21) is arranged on one side of the winding frame (4), a transmission shaft (18) is inserted and rotatably connected to both ends of the side wall of the transverse plate (21), and the side wall fixing sleeve of the transmission shaft (18) is arranged on the side wall of the transmission shaft (18). A third pulley (19) is provided, a second synchronous belt (20) is provided on the side wall of the third pulley (19), a fixing block (28) is fixedly connected to the outer side wall of the second synchronous belt (20), a shifting rod (29) is fixedly connected to the side wall of the fixing block (28), a wire ring (23) is provided on the side of the transverse plate (21) facing away from the winding frame (4), the wire ring (23) includes a ring opening (24), the shifting rod (29) is located in the ring opening (24), and a ring sleeve (27) is provided above the wire ring (23).

2. A coil winding device for a large current dry-type power transformer as claimed in claim 1, characterized in that: Both axial ends of the winding frame (4) are fixedly connected to a clamping cylinder (5); a clamping rod is interlaced and rotatably connected to a side of the fixed support plate (2) and the movable support plate (3) facing the winding frame (4); and the clamping cylinder (5) corresponds to and cooperates with the clamping rod.

3. A coil winding device for a large current dry-type power transformer as claimed in claim 2, characterized in that: The output shaft end of the motor (9) is fixedly connected to a rotating shaft (11), the axis of the rotating shaft (11) coincides with the axis of the clamping rod, and one end of the rotating shaft (11) is fixedly connected to a rod end of one of the clamping rods.

4. A coil winding device for a large current dry-type power transformer as claimed in claim 1, characterized in that: The top surface of the bottom plate (1) is provided with a stepped groove (6); a convex plate (7) is fixedly connected to a surface of the movable support plate (3) facing away from the fixed support plate (2); a fastening bolt (8) is inserted through the top surface of the convex plate (7); the head of the fastening bolt (8) corresponds to and matches the large notch of the stepped groove (6); the rod of the fastening bolt (8) corresponds to and matches the small notch of the stepped groove (6); and a nut is provided on the side wall thread sleeve of the fastening bolt (8).

5. The coil winding device for a large current dry-type power transformer according to claim 1, characterized in that: A base (10) is provided on the side wall of the motor (9), and the side wall of the base (10) is fixedly connected to the side wall of the fixed support plate (2).

6. A coil winding device for a large current dry-type power transformer as claimed in claim 1, characterized in that: The output shaft fixing sleeve of the motor (9) is provided with a first bevel gear (12), the side wall of the first bevel gear (12) is meshed with a second bevel gear (13), a transverse shaft (14) is inserted and fixedly connected to the middle of the side wall of the second bevel gear (13), and one end of the transverse shaft (14) away from the second bevel gear (13) is fixedly connected to a first pulley (15).

7. A coil winding device for a large current dry-type power transformer as claimed in claim 6, characterized in that: A first synchronous belt (16) is disposed on the side wall of the first pulley (15); an end of the transmission shaft (18) away from the third pulley (19) is fixedly connected to a second pulley (17); the first synchronous belt (16) cooperates with the second pulley (17).

8. The coil winding device for a large current dry-type power transformer according to claim 1, characterized in that: The side wall of the ring sleeve (27) is fixedly connected to a fixing plate (26), the bottom surface of the fixing plate (26) is fixedly connected to the top surface of the wire ring (23), both side surfaces of the horizontal plate (21) are fixedly connected to vertical plates (22), and the bottom surface of the vertical plates (22) is fixedly connected to the top surface of the bottom plate (1).

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