Coil press fitting tool of transformer

Abstract

The utility model relates to the technical field of transformer coil press fitting, and provides a transformer coil press fitting tool which comprises a base plate, the output end of a pneumatic telescopic rod is fixedly connected with a sliding block, the top end of the sliding block is fixedly connected with a fixed clamping plate extending to the outside of the base plate, and the top end of the fixed clamping plate is movably connected with a movable clamping plate. The two sides of the chassis are movably connected with a fixing frame, the upper end of one side of the fixing frame is movably connected with a top disc, and the output end of the hydraulic cylinder penetrates through the top disc and is fixedly connected with a pressing disc. The adjusting blocks are moved to be clamped into the proper adjusting holes, so that the sliding plate is limited and fixed after sliding, the overall height among the movable clamping plate, the fixed clamping plate and the sliding plate can be changed, and the transformer coils with different heights can be firmly supported and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer coil pressing, in particular to a transformer coil pressing tool. Background Art

[0002] A transformer is a device used to change voltage and current, and the transformer coil is one of the important components for the normal operation of the transformer. It plays a role in converting electrical energy. In the transformer, the primary and secondary coils interact with each other through the magnetic field of the iron core to achieve voltage rise and fall and current changes. During the production and processing of the transformer coil, the mold pressing ring needs to be placed on the middle diameter of the coil support bar, and then press-fitted as required. Therefore, it is necessary to use corresponding pressing tools to improve the efficiency of this pressing process.

[0003] After searching, the existing patent (Announcement No.: CN218159972U) discloses a coil pressing tool for a transformer, including a base, a frame fixedly mounted on the base, a top plate fixedly mounted on the upper end of the frame, a support sleeve arranged between the base and the top plate, a rotating shaft fixedly mounted on the bottom of the support sleeve, and a lower end of the rotating shaft rotatably mounted on the base. A plurality of positioning mechanisms distributed in a circumferential array are arranged on the outside of the sleeve, and the positioning mechanisms are all located in the support sleeve. The positioning mechanism includes a pressing plate, which is located in the support sleeve. The coil is placed in the support sleeve, and the pressing plate contacts the inner side of the coil. The spring is in a compressed state, so that the coil is fixed in the support sleeve through the pressing plate, so that the position of the coil is kept fixed, and then the copper wire is attached to the bottom of the annular sheet, and the copper wire can be fixed to the bottom of the annular sheet through the glue layer at the bottom of the annular sheet, and then the multiple oil cylinders are started, and the oil cylinders drive the annular sheet to move downward and enter the support sleeve.

[0004] However, in the above scheme, it is inconvenient to adjust the height. The diameters and overall heights of transformer coils of different specifications are also different, but the existing pressing plate has a fixed length, which makes it difficult to properly support and fix some higher transformer coils when they are pressed, thereby affecting the pressing accuracy and causing inconvenience in its use.

[0005] In view of this, the utility model provides a coil pressing tool for a transformer. Utility Model Content

[0006] The utility model provides a coil pressing tool for a transformer, which solves the problem of inconvenient height adjustment in the related technology.

[0007] The technical solution of the utility model is as follows: a coil pressing tool for a transformer, comprising a chassis, a fixing groove is provided at an equal angle on the top of the chassis, a pneumatic telescopic rod is fixedly connected to the inner wall of the fixing groove, a sliding block is fixedly connected to the output end of the pneumatic telescopic rod, a fixing clamp extending to the outside of the chassis is fixedly connected to the top of the sliding block, a movable clamp is movably connected to the top of the fixing clamp, an adjustment component is arranged at one end of the fixing clamp, fixing frames are movably connected to the two sides of the chassis, mounting components are arranged at the upper and lower ends of the two sides of the fixing frame, a top plate is movably connected to the upper end of one side of the fixing frame, a hydraulic cylinder is fixedly connected to the middle position of the top of the top plate, and the hydraulic cylinder Output end A pressure plate is passed through the top plate and fixedly connected thereto.

[0008] The adjusting assembly includes an adjusting slot, which is provided inside a fixed splint, an upper end of one end of the adjusting slot is fixedly connected to an adjusting box, an adjusting block is movably connected inside the adjusting box and extends to the inside of the adjusting slot, one end of the adjusting block is fixedly connected to a pull rod extending to the outside of the adjusting box, an adjusting spring is wound around the pull rod surface at one end of the adjusting block, one end of the adjusting spring is fixedly connected to the inner wall of the adjusting box, the bottom end of the movable splint is fixedly connected to a sliding plate, one end of the sliding plate is provided with adjusting holes at equal intervals, and when the movable splint is pulled upward to slide to a suitable position, the elastic force of the adjusting spring is used to make the adjusting block move and be stuck into a suitable adjusting hole, so as to realize the limited fixation of the sliding plate after sliding, and thereby the overall height between the movable splint, the fixed splint and the sliding plate can be changed.

[0009] Preferably, a sliding structure is formed between the sliding plate and the inside of the adjusting groove, and the sliding plate and the adjusting groove are in an inverted I-shape, thereby improving the stability of the sliding plate sliding up and down.

[0010] Preferably, the pull rod is U-shaped, and one end of the pull rod and one end of the adjustment block are welded into an integrated structure, so that the user can hook the pull rod with his fingers to pull the adjustment block to slide.

[0011] Preferably, a snap-fit ​​structure is formed between the adjustment block and the inside of the adjustment hole, and the length of the adjustment block is smaller than the depth inside the adjustment box, so as to achieve limited fixation of the sliding plate after sliding adjustment.

[0012] Preferably, the mounting assembly includes a card slot, the card slot is provided at the upper end and the lower end of one side of the fixing frame, and the upper end and the lower end of both sides of the fixing frame are provided with reserved slots, the inner wall of the reserved slot is movably connected with a mounting knob, and one end of the mounting knob is fixedly connected with a mounting bolt extending to the inside of the card slot, the two sides of the bottom plate and the top plate are fixedly connected with a card block, and one side of the card block is provided with a bolt hole threadedly matched with the mounting bolt, and the fixing frame, the bottom plate and the top plate can be disassembled and assembled by utilizing the engagement of the card block with the inside of the card slot and the engagement of one end of the mounting bolt with the thread inside the bolt hole, so that they can be disassembled, reducing their storage volume and being easy to carry.

[0013] Preferably, one side of the surface of the mounting knob is fixedly connected with an anti-skid convex strip at an equal angle, and the anti-skid convex strip is arc-shaped, so that the user can better rotate the mounting knob.

[0014] Preferably, a rubber ring is fixedly connected to the other side of the surface of the mounting knob, and the rubber ring is O-shaped to prevent the mounting knob from accidentally loosening the thread and affecting the tightness and firmness of the engagement between the clamping block and the inside of the clamping slot.

[0015] Preferably, a snap-fit ​​structure is formed between the snap block and the inside of the snap slot, and the snap block and the snap slot are inverted convex shapes, thereby improving the stability of the initial snap-fit ​​installation between the fixing frame, the bottom plate and the top plate.

[0016] The working principle and beneficial effects of the utility model are:

[0017] 1. The utility model provides a movable clamping plate, a fixed clamping plate and an adjusting assembly. When the movable clamping plate is pulled upward to slide to a suitable position, the elastic force of the adjusting spring is used to make the adjusting block move and clamp to the inside of a suitable adjusting hole, so as to realize the limited fixing after the sliding plate slides, and then the overall height between the movable clamping plate, the fixed clamping plate and the sliding plate can be changed, so that it can meet the requirements of firmly supporting and fixing transformer coils of different heights. When supporting and fixing a shorter transformer coil, the sliding plate can be pulled upward to be completely separated from the fixed clamping plate, and then the transformer coil can be supported and fixed by the fixed clamping plate, so as to realize the support and fixation of transformer coils of different specifications, improve its applicability, and facilitate subsequent press-fitting processing, so as to realize the function of facilitating height adjustment.

[0018] 2. The utility model provides an installation assembly, utilizes the engagement of the card block and the inside of the card slot, and utilizes the cooperation of one end of the installation bolt with the thread inside the bolt hole to realize the disassembly and assembly of the fixing frame, the bottom plate and the top plate, so that they can be disassembled, reducing their storage volume and being easy to carry. The separation of the three makes it easy to disassemble and maintain or replace individual damaged parts. After the three are installed, the elastic deformation of the rubber ring can be utilized to improve the friction tightness between one end of the installation knob and the inner wall of the reserved groove, so as to avoid the installation knob from accidentally loosening the thread and affecting the tightness and firmness of the engagement of the card block and the inside of the card slot, thereby improving its practicality and achieving the effect of easy disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the partial explosion structure of the fixing frame of the utility model;

[0022] Figure 3 This is a schematic diagram of the chassis structure of the utility model;

[0023] Figure 4 It is an exploded and enlarged structural diagram of the installation component of the utility model;

[0024] Figure 5 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0025] In the figure: 1. hydraulic cylinder; 2. mounting assembly; 201. mounting knob; 202. anti-skid convex strip; 203. clamping block; 204. mounting bolt; 205. bolt hole; 206. rubber ring; 207. reserved groove; 208. clamping slot; 3. pressure plate; 4. fixing frame; 5. movable splint; 6. fixed splint; 7. fixed groove; 8. chassis; 9. top plate; 10. adjustment assembly; 1001. adjustment box; 1002. sliding plate; 1003. adjustment groove; 1004. pull rod; 1005. adjustment spring; 1006. adjustment block; 1007. adjustment hole; 11. pneumatic telescopic rod; 12. sliding block. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] The preferred embodiment of the transformer coil pressing tool provided by the utility model is as follows: Figures 1 to 5 As shown: a coil pressing tool for a transformer, comprising a chassis 8, a fixing groove 7 is opened at an equal angle on the top of the chassis 8, a pneumatic telescopic rod 11 is fixedly connected to the inner wall of the fixing groove 7, a sliding block 12 is fixedly connected to the output end of the pneumatic telescopic rod 11, a fixing clamp 6 extending to the outside of the chassis 8 is fixedly connected to the top of the sliding block 12, a movable clamp 5 is movably connected to the top of the fixing clamp 6, an adjusting component 10 is arranged at one end of the fixing clamp 6, fixing frames 4 are movably connected to both sides of the chassis 8, mounting components 2 are arranged at the upper and lower ends of both sides of the fixing frame 4, a top plate 9 is movably connected to the upper end of one side of the fixing frame 4, a hydraulic cylinder 1 is fixedly connected to the middle position of the top of the top plate 9, and the output end of the hydraulic cylinder passes through the top plate 9 and is fixedly connected to a pressure plate 3.

[0029] The adjustment assembly 10 includes an adjustment slot 1003, the adjustment slot 1003 is provided inside the fixed clamping plate 6, the upper end of one end of the adjustment slot 1003 is fixedly connected to the adjustment box 1001, the adjustment box 1001 is internally movably connected to an adjustment block 1006 extending to the inside of the adjustment slot 1003, one end of the adjustment block 1006 is fixedly connected to a pull rod 1004 extending to the outside of the adjustment box 1001, an adjustment spring 1005 is wound around the surface of the pull rod 1004 at one end of the adjustment block 1006, and one end of the adjustment spring 1005 is fixedly connected to the inner wall of the adjustment box 1001 The bottom end of the movable splint 5 is fixedly connected to the sliding plate 1002, and one end of the sliding plate 1002 is provided with adjustment holes 1007 at equal intervals. When the movable splint 5 is pulled upward to a suitable position, the elastic force of the adjustment spring 1005 is used to move the adjustment block 1006 to the inside of the suitable adjustment hole 1007, so as to realize the limited fixation of the sliding plate 1002 after sliding, and then the overall height between the movable splint 5, the fixed splint 6 and the sliding plate 1002 can be changed, so that it can meet the requirements of firmly supporting and fixing the transformer coils of different heights.

[0030] In this embodiment, a sliding structure is formed between the sliding plate 1002 and the inside of the adjustment groove 1003, and the sliding plate 1002 and the adjustment groove 1003 are in an inverted I-shape. The sliding of the inverted I-shaped sliding plate 1002 and the inside of the adjustment groove 1003 is utilized to improve the stability of the sliding plate 1002 sliding up and down.

[0031] In this embodiment, the pull rod 1004 is U-shaped, and one end of the pull rod 1004 and one end of the adjustment block 1006 are welded into an integrated structure. The U-shaped pull rod 1004 makes it easy for the user to hook the pull rod 1004 with his fingers to pull the adjustment block 1006 to slide.

[0032] In this embodiment, a snap-fit ​​structure is formed between the adjustment block 1006 and the inside of the adjustment hole 1007, and the length of the adjustment block 1006 is smaller than the depth inside the adjustment box 1001. The snap-fit ​​between the adjustment block 1006 and the inside of the adjustment hole 1007 is used to achieve limited fixation of the sliding plate 1002 after sliding adjustment.

[0033] Example 2

[0034] On the basis of Example 1, a preferred embodiment of the transformer coil pressing tool provided by the utility model is as follows Figures 1 to 5 As shown: the installation component 2 includes a slot 208, which is opened at the upper end and the lower end of one side of the fixing frame 4, and reserved slots 207 are opened at the upper end and the lower end of both sides of the fixing frame 4, the inner wall of the reserved slot 207 is movably connected with a mounting knob 201, and one end of the mounting knob 201 is fixedly connected with a mounting bolt 204 extending to the inside of the slot 208, the chassis 8 and the top plate 9 are fixedly connected with a clamping block 203 on both sides, and one side of the clamping block 203 is opened with a bolt hole 205 threadedly matched with the mounting bolt 204, by using the clamping block 203 and the inside of the slot 208, and by using the threaded match between one end of the mounting bolt 204 and the bolt hole 205, the fixing frame 4, the chassis 8 and the top plate 9 can be disassembled and assembled, so that they can be disassembled, the storage volume can be reduced, and it is easy to carry.

[0035] In this embodiment, an anti-skid ridge 202 is fixedly connected at an equal angle to one side of the surface of the mounting knob 201, and the anti-skid ridge 202 is arc-shaped. The arc-shaped anti-skid ridge 202 can increase the contact friction between the finger and the surface of the mounting knob 201, thereby facilitating better rotation of the mounting knob 201.

[0036] In this embodiment, a rubber ring 206 is fixedly connected to the other side of the surface of the mounting knob 201, and the rubber ring 206 is O-shaped. The O-shaped rubber ring 206 is used to improve the friction tightness between one end of the mounting knob 201 and the inner wall of the reserved groove 207, thereby preventing the mounting knob 201 from accidentally loosening its threads and affecting the tightness of the internal engagement of the block 203 and the groove 208.

[0037] In this embodiment, a locking structure is formed between the block 203 and the inside of the slot 208, and the block 203 and the slot 208 are inverted convex. The locking between the inverted convex block 203 and the inside of the slot 208 is used to improve the stability of the initial locking installation between the fixing frame 4, the bottom plate 8 and the top plate 9.

[0038] The working principle and use process of the utility model are as follows: first, the spacing between the movable clamping plate 5 and the fixed clamping plate 6 is adjusted according to the height of the transformer coil. When the transformer coil is higher, the pull rod 1004 is first pulled to drive the adjustment block 1006 to slide and compress the adjustment spring 1005 until it is completely separated from the adjustment hole 1007. Then, the movable clamping plate 5 is pulled to make the sliding plate 1002 slide upward in the adjustment groove 1003 to a suitable position, and then the pull rod 1004 is released. The elastic force of the adjustment spring 1005 is used to make the adjustment block 1006 move and be stuck to the inside of the suitable adjustment hole 1007, so as to achieve the limited fixation of the sliding plate 1002 after sliding. Then, the overall height of the movable clamping plate 5, the fixed clamping plate 6 and the sliding plate 1002 can be changed, so that it can meet the requirements of the firm support and fixation of transformer coils of different heights. When supporting and fixing a shorter transformer coil, the sliding plate 1002 can be pulled upward to be completely separated from the fixed clamping plate 6, and then the transformer coil can be supported and fixed by the fixed clamping plate 6, thereby improving its applicability.

[0039] Then, the transformer coil is placed on the top of the chassis 8, and the pneumatic telescopic rod 11 is started to drive the sliding block 12 to slide, so that the fixed clamping plate 6 moves to support and fix the transformer coils of different diameters to avoid accidental displacement during press-fitting and reduce the press-fitting accuracy. Then, the hydraulic cylinder 1 is started to drive the pressure plate 3 to descend to press-fit the transformer coil;

[0040] At the same time, the mounting bolt 204 can be driven to rotate until it is completely disengaged from the bolt hole 205 by rotating the mounting knob 201, and then the bottom plate 8 or the top plate 9 is pushed upward with force, so that the block 203 is completely disengaged from the inside of the slot 208, thereby realizing the separation of the fixing frame 4, the bottom plate 8 and the top plate 9, so that they can be disassembled, reducing their storage volume and being convenient to carry. The separation of the three is convenient for disassembling individual damaged parts for maintenance or replacement. During installation, the block 203 is stuck into the slot 208, and then the mounting bolt 204 is screwed into the bolt hole 205. At this time, the rubber ring 206 will be stuck to the inner wall of the reserved slot 207, thereby improving the friction tightness between one end of the mounting knob 201 and the inner wall of the reserved slot 207, and avoiding the installation knob 201 from accidentally loosening the thread and affecting the tightness and firmness of the block 203 and the inside of the slot 208.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A transformer coil pressing tool, comprising a chassis (8), characterized in that: The top of the chassis (8) is provided with a fixing groove (7) at an equal angle, the inner wall of the fixing groove (7) is fixedly connected with a pneumatic telescopic rod (11), the output end of the pneumatic telescopic rod (11) is fixedly connected with a sliding block (12), the top of the sliding block (12) is fixedly connected with a fixing clamp (6) extending to the outside of the chassis (8), the top of the fixing clamp (6) is movably connected with a movable clamp (5), one end of the fixing clamp (6) is provided with an adjustment component (10), the two sides of the chassis (8) are movably connected with a fixing frame (4), the upper and lower ends of the two sides of the fixing frame (4) are provided with a mounting component (2), the upper end of one side of the fixing frame (4) is movably connected with a top plate (9), the middle position of the top of the top of the top plate (9) is fixedly connected with a hydraulic cylinder (1), the output end of the hydraulic cylinder (1) passes through the top plate (9) and is fixedly connected with a pressure plate (3); The adjustment component (10) comprises an adjustment slot (1003), wherein the adjustment slot (1003) is arranged inside a fixed clamping plate (6), an upper end of one end of the adjustment slot (1003) is fixedly connected to an adjustment box (1001), an adjustment block (1006) extending to the inside of the adjustment slot (1003) is movably connected inside the adjustment box (1001), one end of the adjustment block (1006) is fixedly connected to a pull rod (1004) extending to the outside of the adjustment box (1001), an adjustment spring (1005) is wound around the surface of the pull rod (1004) at one end of the adjustment block (1006), one end of the adjustment spring (1005) is fixedly connected to the inner wall of the adjustment box (1001), and a sliding plate (1002) is fixedly connected to the bottom end of the movable clamping plate (5), and one end of the sliding plate (1002) is provided with adjustment holes (1007) at equal intervals.

2. A transformer coil pressing tool according to claim 1, characterized in that: A sliding structure is formed between the sliding plate (1002) and the inside of the adjusting groove (1003), and the sliding plate (1002) and the adjusting groove (1003) are in an inverted I-shape.

3. A transformer coil pressing tool according to claim 1, characterized in that: The pull rod (1004) is U-shaped, and one end of the pull rod (1004) and one end of the adjustment block (1006) are welded into an integrated structure.

4. A transformer coil pressing tool according to claim 1, characterized in that: The adjustment block (1006) forms a snap-fit ​​structure with the inside of the adjustment hole (1007), and the length of the adjustment block (1006) is smaller than the depth of the inside of the adjustment box (1001).

5. The transformer coil pressing tool according to claim 1, characterized in that: The mounting assembly (2) comprises a slot (208), wherein the slot (208) is provided at the upper end and the lower end of one side of the fixing frame (4), and a reserved slot (207) is provided at the upper end and the lower end of both sides of the fixing frame (4), the inner wall of the reserved slot (207) is movably connected with a mounting knob (201), and one end of the mounting knob (201) is fixedly connected with a mounting bolt (204) extending into the slot (208), and both sides of the bottom plate (8) and the top plate (9) are fixedly connected with a clamping block (203), and one side of the clamping block (203) is provided with a bolt hole (205) threadedly matched with the mounting bolt (204).

6. A transformer coil pressing tool according to claim 5, characterized in that: One side of the surface of the mounting knob (201) is fixedly connected with an anti-skid convex strip (202) at an equal angle, and the anti-skid convex strip (202) is arc-shaped.

7. A transformer coil pressing tool according to claim 5, characterized in that: A rubber ring (206) is fixedly connected to the other side of the surface of the mounting knob (201), and the rubber ring (206) is O-shaped.

8. The transformer coil pressing tool according to claim 5, characterized in that: A locking structure is formed between the locking block (203) and the inside of the locking slot (208), and the locking block (203) and the locking slot (208) are inverted convex shapes.

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