Coil pressing device for dry-type transformer
The innovative design of the coil clamping device solves the problems of loosening and complex adjustment in existing devices, achieving stable clamping and efficient clamping of the coil, thus improving adaptability and work efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2026-03-10
AI Technical Summary
Existing dry-type transformer coil clamping devices are prone to loosening during clamping, and their adjustment structure is complex with low adaptability.
The coil clamping device includes components such as a coil clamping frame, guide slide, threaded rod, movable clamping slider, fixed plate, fixed cylinder, movable rod, fixed bolt, fixed frame and telescopic frame. Stable clamping and efficient clamping are achieved through replaceable clamping blocks and a motor-driven transmission system.
This achieves stability and adaptability of the coil during the clamping process, improves work efficiency, and simplifies the adjustment process.
Smart Images

Figure CN223986493U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dry -type transformer technical field especially relates to a coil compression device for dry -type transformer. BACKGROUND
[0002] Dry -type transformer refers to the iron core and winding do not dip in the transformer of insulating oil, is widely used in partial lighting, high -rise building, airport, wharf, CNC mechanical equipment etc. The most core component of a transformer is coil, so the manufacture of coil is important for the transformer. In the process of making transformer coil, usually through coil winding, coil pressure two processes, in order to compress the coil, generally uses coil compression device;
[0003] When using, the clamping area of the existing compression device and the coil is not uniform, and the existing compression adjusting structure is relatively complex, so we provide a coil compression device for dry -type transformer. UTILITY MODEL CONTENT
[0004] The utility model discloses a coil compression device for dry -type transformer solves the existing problem.
[0005] In order to achieve the above object, the utility model adopts the following technical scheme:
[0006] A coil compression device for dry -type transformer, including coil compression frame, the top of coil compression frame sliding installation has a plurality of guide slide and threaded rod, the bottom of guide slide and threaded rod is fixedly installed and moves and compresses the sliding block, the bottom inner wall of coil compression frame is fixedly installed and has fixed plate, one side of moving and compressing the sliding block and fixed plate is fixedly installed and has fixed cylinder, the inboard of fixed cylinder sliding installation has mobile pole, the outside of fixed cylinder is installed with fixed bolt, and one end of fixed bolt is in abutment with mobile pole, and one side of mobile pole is fixedly installed and has fixed frame and telescopic frame.
[0007] As a further improvement of the above scheme, the side of fixed frame is provided with a sliding groove, the telescopic frame is slidingly installed in the inner side of the sliding groove, and the shapes of the fixed frame and the telescopic frame are both U-shaped.
[0008] As a further improvement of the above scheme, a plurality of guide grooves are formed in one side of the fixed frame and the telescopic frame, a threaded hole is formed in the top of the fixed frame and the telescopic frame, and the guide grooves and the threaded hole are communicated.
[0009] As a further improvement of the above scheme, a sliding frame is slidingly installed in the inner side of the guide groove, a placing frame is fixedly installed on one side of the sliding frame, and a replaceable clamping block is arranged in the inner side of the placing frame.
[0010] As a further improvement of the above-mentioned scheme, the inner side of the threaded hole is provided with a pressing bolt, which abuts against the sliding frame.
[0011] As a further improvement of the above-mentioned scheme, the top of the coil pressing frame is fixedly provided with a motor, the output end of the motor is fixedly provided with a driving shaft, the outer side of the driving shaft is fixedly provided with a transmission gear, the inner wall of the top of the coil pressing frame is rotatably provided with a force receiving gear, and the transmission gear and the force receiving gear are engaged.
[0012] As a further improvement of the above-mentioned scheme, the top of the force receiving gear is provided with an internal thread, and the threaded rod is engaged with the internal thread.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] (1) the coil pressing device for dry-type transformer of the utility model, according to the coil that need press tightly, can select replaceable clamping block, can let the replaceable clamping block of different shapes be inserted to the inside of the placing frame, and the coil is placed at the middle place of fixed frame and telescopic frame, according to the size of coil, can control the sliding of movable rod in the inside of fixed cylinder, can let movable rod drive telescopic frame to slide in the inside of fixed frame, control sliding frame to move in the inside of guide sliding slot again, let replaceable clamping block abut with coil, can lock multiple fixed bolts and pressing bolts after, since replaceable clamping block is adapted to coil, can make coil be relatively stable in the process of pressing tightly;
[0015] (2) the coil pressing device for dry-type transformer of the utility model, after fixing, can control motor to drive driving shaft to rotate, driving shaft can drive force receiving gear to rotate through transmission gear after rotating, force receiving gear can drive threaded rod to bear force through thread cooperation after rotating, threaded hole is set up in the top of force receiving gear, can let rotating force receiving gear drive threaded rod to bear force and move, threaded rod can drive movable pressing block and the coil that is clamped to press tightly after moving, make the device work efficiency be higher, and the adaptability is wider. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.
[0017] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;
[0018] Figure 2 It is a three-dimensional structure schematic view of the utility model;
[0019] Figure 3 It is a three-dimensional structure schematic view of the utility model fixed frame and telescopic frame part;
[0020] Figure 4 It is a three-dimensional structure schematic view of the utility model sliding frame and placing frame part.
[0021] In the drawing: 1, coil compression frame;2, guide slide rod;3, threaded rod;4, moving compression slide block;5, fixed plate;6, fixed cylinder;7, moving rod;8, fixed bolt;9, fixed frame;10, telescopic frame;11, guide slide;12, threaded hole;13, sliding frame;14, placing frame;15, replaceable clamping block;16, abutting bolt;17, motor;18, drive shaft;19, transmission gear;20, force gear. Specific implementation
[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0023] Reference Figures 1-4 A coil compression device for dry-type transformer, including coil compression frame 1, the top of coil compression frame 1 is slidably installed with multiple guide slide rods 2 and threaded rods 3, the bottom of guide slide rod 2 and threaded rod 3 is fixedly installed with moving compression slide block 4, the bottom inner wall of coil compression frame 1 is fixedly installed with fixed plate 5, one side of moving compression slide block 4 and fixed plate 5 is fixedly installed with fixed cylinder 6, the inner side of fixed cylinder 6 is slidably installed with moving rod 7, the outer side of fixed cylinder 6 is threadedly installed with fixed bolt 8, one end of fixed bolt 8 is in abutment with moving rod 7, one side of moving rod 7 is fixedly installed with fixed frame 9 and telescopic frame 10;In the embodiment, one side of fixed frame 9 is provided with a slide groove, telescopic frame 10 is slidably installed in the inner side of the slide groove, the shape of fixed frame 9 and telescopic frame 10 is U-shaped;According to the coil to be compressed, replaceable clamping block 15 can be selected, different shapes of replaceable clamping block 15 can be inserted into the inside of placing frame 14, and the coil is placed in the middle of fixed frame 9 and telescopic frame 10, according to the size of the coil, moving rod 7 can be controlled to slide in the inside of fixed cylinder 6, so that moving rod 7 drives telescopic frame 10 to slide in the inside of fixed frame 9.
[0024] The fixed frame 9 and the telescopic frame 10 are provided with a plurality of guide sliding grooves 11 on one side, and the top of the fixed frame 9 and the telescopic frame 10 is provided with a threaded hole 12, the guide sliding groove 11 and the threaded hole 12 are in communication; the sliding frame 13 moves in the guide sliding groove 11, and the replaceable clamping block 15 abuts against the coil, and the plurality of fixing bolts 8 and the abutting bolt 16 are locked, since the replaceable clamping block 15 is matched with the coil, the coil is relatively stable during the pressing process; in the embodiment, the sliding frame 13 is slidably installed in the guide sliding groove 11, the sliding frame 13 is fixedly installed on one side of the placing frame 14, and the replaceable clamping block 15 is arranged on the inner side of the placing frame 14.
[0025] In the embodiment, the threaded hole 12 is internally and threadedly installed with the abutting bolt 16, and the abutting bolt 16 abuts against the sliding frame 13; in the embodiment, the top of the coil pressing frame 1 is fixedly installed with the motor 17, the output end of the motor 17 is fixedly installed with the driving shaft 18, the outer side of the driving shaft 18 is fixedly installed with the transmission gear 19, and the top inner wall of the coil pressing frame 1 is rotatably installed with the stress gear 20, and the transmission gear 19 and the stress gear 20 are engaged; after the fixing is completed, the motor 17 can be controlled to drive the driving shaft 18 to rotate, the driving shaft 18 can drive the stress gear 20 to rotate through the transmission gear 19 after rotating, the stress gear 20 can drive the threaded rod 3 to bear stress through the threaded cooperation after rotating, the top of the stress gear 20 is provided with a threaded hole, the rotating stress gear 20 can drive the threaded rod 3 to bear stress and move, the threaded rod 3 can drive the moving pressing block 4 and the clamped coil to press after moving, so that the device has high working efficiency and wide adaptability; in the embodiment, the top of the stress gear 20 is provided with an internal thread, and the threaded rod 3 is engaged with the internal thread.
[0026] The implementation principle of the coil pressing device for dry-type transformer in the embodiment of the application is as follows: according to the coil to be pressed, the replaceable clamping block 15 can be selected, different shapes of the replaceable clamping block 15 can be inserted into the inside of the placing rack 14, and the coil is placed in the middle of the fixed frame 9 and the telescopic frame 10, according to the size of the coil, the moving rod 7 can be controlled to slide in the inside of the fixed cylinder 6, the moving rod 7 can drive the telescopic frame 10 to slide in the inside of the fixed frame 9, the sliding frame 13 is controlled to move in the inside of the guide sliding groove 11, and after the replaceable clamping block 15 abuts against the coil, the plurality of fixing bolts 8 and the pressing bolt 16 are locked, since the replaceable clamping block 15 is matched with the coil, the coil can be relatively stable during the pressing process, after the fixing is completed, the motor 17 is controlled to drive the driving shaft 18 to rotate, the driving shaft 18 can drive the force receiving gear 20 to rotate through the transmission gear 19 after the driving shaft 18 rotates, the force receiving gear 20 can drive the threaded rod 3 to bear force through the threaded cooperation after the force receiving gear 20 rotates, the threaded hole is arranged at the top of the force receiving gear 20, the force receiving gear 20 drives the threaded rod 3 to move under force, the threaded rod 3 moves to drive the moving pressing block 4 and the clamped coil to be pressed, so that the device has high working efficiency and wide adaptability.
[0027] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0028] The coil pressing device for dry-type transformer provided by the present application is described in detail above. The principles and implementation modes of the present application are described by applying specific embodiments in this paper, and the above embodiment description is only used to help understand the method and core idea of the present application. It should be pointed out that for ordinary skilled persons in the technical field, without departing from the principles of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the claims of the present application.
Claims
1. A coil clamping device for a dry-type transformer, characterized in that, Include: The top of the coil compression frame (1) is slidably mounted with a plurality of guide slide rod (2) and threaded rod (3), the bottom of the guide slide rod (2) and threaded rod (3) is fixedly installed with a moving compression slider (4), the bottom inner wall of the coil compression frame (1) is fixedly installed with a fixed plate (5), one side of the moving compression slider (4) and the fixed plate (5) is fixedly installed with a fixed cylinder (6), the inner side of the fixed cylinder (6) is slidably installed with a moving rod (7), the outer side of the fixed cylinder (6) is threadedly installed with a fixed bolt (8), one end of the fixed bolt (8) abuts with the moving rod (7), one side of the moving rod (7) is fixedly installed with a fixed frame (9) and a telescopic frame (10).
2. A coil pressing device for a dry-type transformer according to claim 1, characterized in that, The fixed frame (9) is provided with a sliding groove on one side, the telescopic frame (10) is slidably installed in the sliding groove, the shape of the fixed frame (9) and the telescopic frame (10) is U-shaped.
3. The coil pressing device for a dry-type transformer according to claim 1, characterized by The fixed frame (9) and the telescopic frame (10) are provided with a plurality of guide grooves (11) on one side, the top of the fixed frame (9) and the telescopic frame (10) is provided with a threaded hole (12), the guide groove (11) and the threaded hole (12) are communicated.
4. A coil pressing device for a dry-type transformer according to claim 3, characterized in that, The inner side of the guide groove (11) is slidably installed with a sliding frame (13), one side of the sliding frame (13) is fixedly installed with a placing frame (14), the inner side of the placing frame (14) is provided with a replaceable clamping block (15).
5. The coil pressing device for a dry-type transformer according to claim 3, characterized by The inner side of the threaded hole (12) is threadedly installed with a abutting bolt (16), the abutting bolt (16) abuts with the sliding frame (13).
6. The coil pressing device for a dry-type transformer according to claim 2, characterized by The top of the coil compression frame (1) is fixedly installed with a motor (17), the output end of the motor (17) is fixedly installed with a drive shaft (18), the outer side of the drive shaft (18) is fixedly installed with a transmission gear (19), the top inner wall of the coil compression frame (1) is rotatably installed with a force gear (20), the transmission gear (19) and the force gear (20) are engaged.
7. A coil pressing device for a dry-type transformer according to claim 6, characterized in that The top of the force gear (20) is provided with an internal thread, the threaded rod (3) is engaged with the internal thread.