CN215933338U

CN215933338U - Adjustable C-shaped iron core clamp for voltage transformer

Info

Publication number: CN215933338U
Application number: CN202122437154.5U
Authority: CN
Inventors: 栗刚; 袁刚; 刘丙猛; 闫光艺; 朱洪林; 顾安娜; 闫博; 吴光斌; 任君; 贺竣
Original assignee: SHANDONG TAIKAI TRANSFORMER CO Ltd
Current assignee: SHANDONG TAIKAI TRANSFORMER CO Ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-01
Anticipated expiration: 2031-10-09

Abstract

The utility model provides an adjustable voltage transformer C-shaped iron core clamp which comprises two groups of fixing assemblies with symmetrical structures, wherein each fixing assembly comprises a front supporting frame, a rear supporting frame, an upper fixing plate and a lower fixing plate, and the lower fixing plate is fixedly connected between the lower end of the front supporting frame and the lower end of the rear supporting frame; the front end and the rear end of the upper fixed plate are both connected with a first screw rod, the upper ends of the front support frame and the rear support frame are both provided with adjusting holes, and the first screw rods at the front end and the rear end of the upper fixed plate respectively penetrate through the corresponding adjusting holes and then are in threaded connection with corresponding first nuts. The utility model has the advantages that the distance between the two groups of fixing components and the position of the first screw rod in the adjusting hole can be adjusted to adjust the distance between the upper fixing plate and the lower fixing plate, so that the requirements of the size and the insulation distance of an iron core in actual production can be met, and meanwhile, the installation size of the whole assembly body can be effectively ensured.

Description

Adjustable C-shaped iron core clamp for voltage transformer

Technical Field

The utility model belongs to the field of voltage transformers, and particularly relates to an adjustable C-shaped iron core clamp for a voltage transformer.

Background

The voltage transformer adopts the electromagnetic induction principle to realize the transmission between primary and secondary voltage, and the electromagnetic induction phenomenon is mainly realized by coil and iron core combination assembly back, so need use the metal folder to fix coil and iron core, and the intensity of whole assembly body had both been guaranteed when fixed, had guaranteed the insulation distance of coil and folder again. Therefore, the size of the clip is particularly important for the overall assembly. Due to the fact that the actual size of the iron core has certain dispersibility, when the existing structure fixed clamping piece is used for assembly, the problems that the position size is not consistent after assembly, the insulation distance is insufficient, the overall matching strength is insufficient and the like exist.

Disclosure of Invention

The utility model aims to provide a C-shaped iron core clamp of an adjustable voltage transformer for a C-shaped iron core, aiming at the problems of inconsistent position size, insufficient insulation distance, insufficient overall matching strength and the like existing after the fixed clamp of the existing structure is assembled, and the size of the clamp can be adjusted according to the size and insulation distance requirements of the actually produced iron core.

In order to achieve the purpose, the utility model adopts the technical scheme that: an adjustable C-shaped iron core clamp of a voltage transformer comprises two groups of fixing assemblies with symmetrical structures, wherein each fixing assembly comprises a front supporting frame, a rear supporting frame, an upper fixing plate and a lower fixing plate, and the lower fixing plate is fixedly connected between the lower end of the front supporting frame and the lower end of the rear supporting frame; the front end and the rear end of the upper fixed plate are both connected with a first screw rod, the upper ends of the front support frame and the rear support frame are both provided with adjusting holes, and the first screw rods at the front end and the rear end of the upper fixed plate respectively penetrate through the corresponding adjusting holes and then are in threaded connection with corresponding first nuts. Therefore, when the adjustable C-shaped iron core clamp of the voltage transformer is used for fixing the iron core and the coil, the distance between the two groups of fixing assemblies and the position of the first screw rod in the adjusting hole can be adjusted, so that the distance between the upper fixing plate and the lower fixing plate can be adjusted, the size requirement and the insulation distance requirement of the actually produced iron core can be met, and meanwhile, the installation size of the whole assembly body can be effectively guaranteed.

Furthermore, the adjusting holes are elongated holes, and the length direction of the elongated holes is vertical, so that the upper fixing plate can be conveniently adjusted in the height direction.

Further, the lower surface of the upper fixing plate is an arc surface, and the upper surface of the lower fixing plate is an arc surface, so that when the coil and the iron core are assembled, the arc surface can abut against the arc surface at the corner of the iron core, and the strength of the whole assembly body is effectively guaranteed.

Furthermore, a first connecting hole is formed in the upper fixing plate, a second screw rod is arranged between the upper fixing plates of the two groups of fixing assemblies, and two ends of the second screw rod penetrate through the corresponding first connecting hole and then are in threaded connection with the corresponding second nut, so that the two groups of fixing assemblies are connected together, and the distance between the two groups of fixing assemblies can be changed by adjusting the relative position between the second nut and the second screw rod.

Furthermore, a second connecting hole is formed in the lower fixing plate, a third screw rod is arranged between the lower fixing plates of the two groups of fixing assemblies, and two ends of the third screw rod penetrate through the corresponding second connecting holes and are in threaded connection with the corresponding third nuts respectively, so that the two groups of fixing assemblies are connected together, and the distance between the two groups of fixing assemblies can be changed by adjusting the relative positions of the third nuts and the third screw rods.

Furthermore, the front support frame and the rear support frame are made of hot rolled angle steel, so that the front support frame and the rear support frame have higher rigidity.

Furthermore, the lower ends of the front support frame and the rear support frame are provided with ground feet, so that the front support frame and the rear support frame can be conveniently and stably installed in the voltage transformer.

According to the technical scheme, the utility model has the following advantages: firstly, the utility model has the distance adjusting function and can effectively ensure the installation size of the whole assembly body; secondly, the arc surfaces are arranged on the upper fixing plate and the lower fixing plate, so that the arc surfaces can completely abut against the arc surfaces at four corners of the iron core during assembly, and the strength of an assembly body is effectively ensured; in addition, the upper fixing plate can be moved, so that the insulation distance between the whole fixing assembly and the coil is effectively ensured, a magnetic flux leakage loop of the magnetic induction line is shielded, and the loss is reduced.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of the fixing member of the present invention.

Fig. 3 is a schematic structural view of the present invention assembled with a coil and an iron core.

In the figure: 1. the adjustable support comprises a front support frame, 2, a third screw rod, 3, a ground foot, 4, a lower fixing plate, 5, a third nut, 6, a rear support frame, 7, a second nut, 8, an upper fixing plate, 9, a second screw rod, 10, a first nut, 11, a fixing assembly, 12, a first connecting hole, 13, an arc surface, 14, a first screw rod, 15, an iron core, 16, a coil, 17, an adjusting hole, 18 and a second connecting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, 2 and 3, the present invention provides an adjustable C-shaped iron core clamp for a voltage transformer, which includes two sets of fixing assemblies 11 with symmetrical structures, where the fixing assemblies 11 include a front supporting frame 1, a rear supporting frame 6, an upper fixing plate 8 and a lower fixing plate 4, front and rear ends of the lower fixing plate 4 are fixedly connected between a lower end of the front supporting frame 1 and a lower end of the rear supporting frame 6, and the upper fixing plate 8 is disposed between an upper end of the front supporting frame 1 and an upper end of the rear supporting frame 6 in a vertically movable manner. Specifically, both ends all are connected with screw rod 14 around upper plate 8, the upper end of preceding support frame 1 and the upper end of back support frame 6 all are provided with regulation hole 17, just regulation hole 17 is the elongated hole, the length direction in elongated hole is vertical direction, screw rod 14 at both ends passes back and nut 10 threaded connection who corresponds respectively in the regulation hole 17 that corresponds around upper plate 8, and between nut 10 and preceding support frame 1 and nut 10 and back support frame 6, the cover is equipped with flat pad and packing ring on screw rod 14.

Still be provided with connecting hole one 12 on the upper fixed plate 8, and be provided with two screw rods 9 between the upper fixed plate 8 of two sets of fixed subassemblies 11, the both ends of two screw rods 9 pass back and two 7 threaded connection of nut that correspond respectively from corresponding connecting hole one 12, and between two 7 nuts and the upper fixed plate 8, also the cover is equipped with flat pad and packing ring on the two screw rods 9.

Still be provided with connecting hole two 18 on the bottom plate 4, and be provided with screw rod three 2 between the bottom plate 4 of two sets of fixed subassemblies 11, the both ends of screw rod three 2 pass back and the three 5 threaded connection of nut that correspond respectively from corresponding connecting hole two 18, and be in between nut three 5 and the bottom plate 4, also the cover is equipped with flat pad and packing ring on the screw rod three 2.

In addition, preferably, the lower surface of the upper fixing plate 8 is provided with an arc surface 13, and the upper surface of the lower fixing plate 4 is also provided with the arc surface 13, so that when the coil 16 and the iron core 15 are assembled, the arc surface 13 can be abutted against the arc surface at the corner of the iron core 15, and the strength of the whole assembly body is effectively ensured. In addition, the front support frame 1 and the rear support frame 6 are preferably made of hot rolled angle steel, and the lower ends of the front support frame 1 and the rear support frame 6 are provided with anchor feet 3.

When the adjustable voltage transformer C-shaped iron core clamp is used for assembly, firstly, two ends of a lower fixing plate 4 are respectively welded at the lower end of a front supporting frame 1 and the lower end of a rear supporting frame 6, and a coil 16 is sleeved on an iron core 15; then adjusting a second screw 9 and a second nut 7 to pre-tighten the two fixing components 11, moving the first screw 14 to a proper position in an adjusting hole 17 to enable the arc surfaces 13 on the upper fixing plate 8 and the lower fixing plate 4 to be completely fastened with the arc surfaces at the corners of the iron core 15, and then screwing the first nut 10; and finally, screwing the second nut 7.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The adjustable C-shaped iron core clamp for the voltage transformer is characterized by comprising two groups of fixing assemblies (11) which are symmetrical in structure, wherein each fixing assembly (11) comprises a front supporting frame (1), a rear supporting frame (6), an upper fixing plate (8) and a lower fixing plate (4), and the lower fixing plate (4) is fixedly connected between the lower end of the front supporting frame (1) and the lower end of the rear supporting frame (6); the front end and the rear end of the upper fixing plate (8) are connected with a first screw rod (14), the upper end of the front support frame (1) and the upper end of the rear support frame (6) are provided with adjusting holes (17), and the first screw rods (14) at the front end and the rear end of the upper fixing plate (8) penetrate through the corresponding adjusting holes (17) and are connected with corresponding first nuts (10) in a threaded mode.

2. The adjustable C-core clamp for a voltage transformer according to claim 1, wherein said adjustment hole (17) is an elongated hole, the length direction of said elongated hole being vertical.

3. The adjustable C-core clamp for a voltage transformer according to claim 2, wherein the lower surface of the upper fixing plate (8) is configured as an arc surface (13), and the upper surface of the lower fixing plate (4) is configured as an arc surface (13).

4. The adjustable C-shaped iron core clamp of the voltage transformer as claimed in claim 3, wherein the upper fixing plate (8) is provided with a first connecting hole (12), a second screw (9) is arranged between the upper fixing plates (8) of the two sets of fixing components (11), and two ends of the second screw (9) are respectively threaded with the corresponding second nut (7) after passing through the corresponding first connecting hole (12).

5. The adjustable C-shaped iron core clamp of the voltage transformer as claimed in claim 3 or 4, wherein the lower fixing plate (4) is provided with a second connecting hole (18), a third screw (2) is arranged between the lower fixing plates (4) of the two sets of fixing components (11), and two ends of the third screw (2) are respectively threaded with the corresponding third nut (5) after passing through the corresponding second connecting hole (18).

6. The adjustable C-core clamp for a voltage transformer according to claim 2, wherein said front (1) and rear (6) supports are hot rolled steel.

7. An adjustable C-core clamp for a voltage transformer according to claim 6, characterized in that the lower ends of the front (1) and rear (6) supports are provided with anchor feet (3).