Rectifier transformer with pulling plate structure

Abstract

The utility model belongs to the technical field of transformers, and particularly relates to a rectifier transformer with a pulling plate structure, which comprises an upper clamping piece, a lower clamping piece, an iron core and a pulling plate, the top of the pulling plate is higher than the iron core, the outer surface of the top of the pulling plate is fixedly connected with a reinforcing plate, the upper clamping piece is provided with a clamping groove, and the upper clamping piece is clamped with the reinforcing plate through the clamping groove. The top of the outer surface of the upper clamping piece is fixedly connected with a fixing plate, and the fixing plate is connected with the reinforcing plate and the pulling plate through upper clamping bolts. The bottom of the pulling plate is fixedly connected with a positioning plate, a notch is formed in the lower clamping piece, the lower clamping piece is connected with the positioning plate in a clamped mode through the notch, a cover plate is connected to the outer side of the lower clamping piece in a pressed mode, through positioning holes are formed in the cover plate, the positioning plate and the pulling plate, a positioning shaft is arranged in the positioning holes, a pressing plate is arranged on the outer side of the positioning shaft, and the pressing plate, the cover plate and the lower clamping piece are connected with the pulling plate through a lower clamping bolt. The reinforcing plate at the upper part of the pulling plate and the positioning plate at the lower part have a positioning function, and the contact area of the pulling plate structure is increased, so that the pulling plate is tightly connected with an iron core.

Description

TECHNICAL FIELD

[0001] The utility model belongs to transformer technical field, especially relate to a pull plate structure rectifier transformer. BACKGROUND

[0002] The pull plate transformer is fixed by tightly connecting the clamp, the pull plate and the iron core, which ensures the structural stability and the operation reliability of the transformer, and reduces the vibration and noise of the transformer, so the connecting structure of the pull plate plays a vital role in the performance and operation of the transformer.

[0003] The existing pull plate connecting structure (see Figure 1 ), the positioning shaft 13 is passed through the cover plate 11, the clamp and the pull plate 4, and then the pressing plate 14 is used to press the positioning shaft 13, and the bolt is connected with the pull plate 4. If the positioning shaft 13 and the pull plate 4 are not matched well, the positioning shaft 13 will be loose, and then the bolt will be stressed when the transformer body is lifted and the winding is pressed, and the bolt is easy to be broken, which will cause the instability of the transformer core structure and seriously affect the operation of the transformer. SUMMARY

[0004] The utility model discloses a pull plate structure rectifier transformer, which solves the problem of unstable iron core structure of the pull plate structure rectifier transformer.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A pull plate structure rectifier transformer, comprising an upper clamp, a lower clamp, an iron core and a pull plate, the top of the pull plate is higher than the iron core, the outer surface of the top of the pull plate is fixedly connected with a reinforcing plate, the upper clamp is provided with a clamping groove, the upper clamp is clamped with the reinforcing plate through the clamping groove, the top of the outer surface of the upper clamp is fixedly connected with a fixed plate, and the fixed plate is connected with the reinforcing plate and the pull plate through an upper clamping bolt.

[0007] The bottom of the pull plate is fixedly connected with a positioning plate, the lower clamp is provided with a slot, the lower clamp is clamped with the positioning plate through the slot, the lower clamp is press-connected with a cover plate, the cover plate, the positioning plate and the pull plate are provided with through positioning holes, the positioning holes are provided with positioning shafts, the outer side of the positioning shafts is provided with a pressing plate, and the pressing plate, the cover plate and the lower clamp are connected with the pull plate through a lower clamping bolt.

[0008] The fixed plate and the reinforcing plate are provided with an insulating plate.

[0009] The positioning shaft and the pressing plate are connected through a fastening screw.

[0010] The reinforcing plate is square.

[0011] The positioning plate is circular or square.

[0012] Compared with the prior art, the utility model discloses the beneficial effects are:

[0013] The utility model discloses the reinforcing plate fixed on the upper portion of the pull plate is clamped in the corresponding card slot of the upper clamp piece, and the positioning plate fixed on the lower portion of the pull plate is clamped in the corresponding slot of the lower clamp piece. The structure has the positioning effect, the contact area of the pull plate structure is increased, the pull plate and the iron core are connected closely, the weight of the body and the winding compression force when the body is hoisted can be borne, the requirement of mechanical strength is satisfied, it is more safe and reliable, and the structural stability of the transformer is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the connection drawing of the rectifier transformer of the prior pull plate structure.

[0015] Figure 2 It is the structure schematic view of the utility model.

[0016] Figure 3 It is the side view of the utility model.

[0017] Figure 4 It is Figure 2 It is the schematic view of A-A direction.

[0018] Figure 5 It is Figure 2 It is the schematic view of B-B direction.

[0019] Figure 6 It is the structure schematic view of the upper clamp piece.

[0020] Figure 7 It is the structure schematic view of the lower clamp piece.

[0021] Figure 8 It is the structure schematic view of the pull plate.

[0022] In the drawing: upper clamp piece 1, lower clamp piece 2, iron core 3, pull plate 4, reinforcing plate 5, card slot 6, fixed plate 7, upper clamping bolt 8, positioning plate 9, slot 10, cover plate 11, positioning hole 12, positioning shaft 13, pressing plate 14, lower clamping bolt 15, insulating plate 16, fastening screw 17. DETAILED DESCRIPTION

[0023] In the description of the utility model, it is understood that the terms "first", "second" and the like are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more features.

[0024] Unless otherwise defined, the terms "mounting", "connected", "connecting" should be interpreted broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, or electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according of the specific circumstances.

[0025] As Figures 2-8 A pull plate structure rectifier transformer, comprising upper clamp 1, lower clamp 2, core 3 and pull plate 4, the top of pull plate 4 is higher than core 3, the outer surface of the top of pull plate 4 is fixedly connected with reinforcing plate 5, upper clamp 1 is provided with clamping groove 6, upper clamp 1 is clamped with reinforcing plate 5 through clamping groove 6, the top of the outer surface of upper clamp 1 is fixedly connected with fixed plate 7, fixed plate 7 is connected with reinforcing plate 5 and pull plate 4 through upper clamping bolt 8,

[0026] The bottom of pull plate 4 is fixedly connected with positioning plate 9, lower clamp 2 is provided with notch 10, lower clamp 2 is clamped with positioning plate 9 through notch 10, cover plate 11 is pressed on the outer side of lower clamp, cover plate 11, positioning plate 9 and pull plate 4 are provided with through positioning hole 12, positioning hole 12 is provided with positioning shaft 13, the outer side of positioning shaft 13 is provided with pressing plate 14, pressing plate 14, cover plate 11 and lower clamp 2 are connected with pull plate 4 through lower clamping bolt 15.

[0027] The fixed plate 7 and the reinforcing plate 5 are provided with an insulating plate 16.

[0028] The positioning shaft 13 and the pressing plate 14 are connected through the fastening screw 17.

[0029] The reinforcing plate is square.

[0030] The positioning plate is circular or square.

[0031] In order to make the purpose, technical scheme and technical effect of the utility model more clear, the technical scheme in the embodiment of the utility model is described clearly and completely. However, the following described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Combined with the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] Embodiment 1:

[0033] The utility model provides a kind of pull plate structure rectifier transformer, including upper clamp 1, lower clamp 2, core 3 and pull plate 4, the top of pull plate 4 is higher than core 3, the outer surface of the top of pull plate 4 is welded square reinforcing plate 5, upper clamp 1 is equipped with clamping groove 6, upper clamp 1 is connected with reinforcing plate 5 by clamping groove 6, the top of the outer surface of upper clamp 1 is welded fixed plate 7, and insulating plate 16 is equipped between fixed plate 7 and reinforcing plate 5.

[0034] Fixed plate 7 and insulating plate 16 are connected with reinforcing plate 5 and pull plate 4 by upper clamping bolt 8.

[0035] The bottom of pull plate 4 is welded circular positioning plate 9, lower clamp 2 is equipped with notch 10, lower clamp 2 is connected with positioning plate 9 by notch 10, and cover plate 11 is pressed on the outside of lower clamp, positioning hole 12 is equipped on cover plate 11, positioning plate 9 and pull plate 4, positioning shaft 13 is equipped in positioning hole 12, pressing plate 14 is equipped on the outside of positioning shaft 13, and pressing plate 14, cover plate 11 and lower clamp 2 are connected with pull plate 4 by lower clamping bolt 15.

[0036] Positioning shaft 13 and pressing plate 14 are connected by fastening screw 17.

[0037] Embodiment 2:

[0038] The utility model provides a kind of pull plate structure rectifier transformer, including upper clamp 1, lower clamp 2, core 3 and pull plate 4, the top of pull plate 4 is higher than core 3, the outer surface of the top of pull plate 4 is welded square reinforcing plate 5, upper clamp 1 is equipped with clamping groove 6, upper clamp 1 is connected with reinforcing plate 5 by clamping groove 6, the top of the outer surface of upper clamp 1 is welded fixed plate 7, and insulating plate 16 is equipped between fixed plate 7 and reinforcing plate 5.

[0039] Fixed plate 7 and insulating plate 16 are connected with reinforcing plate 5 and pull plate 4 by upper clamping bolt 8.

[0040] The bottom of pull plate 4 is welded circular positioning plate 9, lower clamp 2 is equipped with notch 10, lower clamp 2 is connected with positioning plate 9 by notch 10, and cover plate 11 is pressed on the outside of lower clamp, positioning hole 12 is equipped on cover plate 11, positioning plate 9 and pull plate 4, positioning shaft 13 is equipped in positioning hole 12, pressing plate 14 is equipped on the outside of positioning shaft 13, and pressing plate 14, cover plate 11 and lower clamp 2 are connected with pull plate 4 by lower clamping bolt 15.

[0041] Although the embodiment of the utility model has been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and deformations can be made to the embodiments without departing from the principles and basic spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pull board structure rectifier transformer comprising an upper clamp, a lower clamp, a core and a pull board, characterized by, The top of the pull plate is higher than the iron core, an outer surface of the top of the pull plate is fixedly connected with a reinforcing plate, the upper clamp is provided with a clamping groove, the upper clamp is clamped with the reinforcing plate through the clamping groove, an outer surface of the upper clamp is fixedly connected with a fixed plate, and the fixed plate is connected with the reinforcing plate and the pull plate through an upper clamping bolt; The bottom of the pull plate is fixedly connected with a positioning plate, the lower clamp is provided with a notch, the lower clamp is clamped with the positioning plate through the notch, the lower clamp is press-connected with a cover plate, the cover plate, the positioning plate and the pull plate are provided with penetrating positioning holes, the positioning holes are provided with positioning shafts, outer sides of the positioning shafts are provided with pressing plates, and the pressing plates, the cover plate and the lower clamp are connected with the pull plate through a lower clamping bolt.

2. A rectifier transformer of the pullboard construction according to claim 1, characterized in that The fixed plate and the reinforcing plate are provided with an insulating plate therebetween.

3. A coreless rectifier transformer of claim 1, wherein The positioning shaft and the pressing plate are connected through a fastening screw.

4. A coreless rectifier transformer of the pull-out structure according to claim 1, characterized in that, The reinforcing plate is square.

5. A coreless rectifier transformer of the pull-out structure according to claim 1, characterized in that, The positioning plate is circular or square.

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