CN219873082U

CN219873082U - Transformer core clamp

Info

Publication number: CN219873082U
Application number: CN202320960587.5U
Authority: CN
Inventors: 李家豪
Original assignee: Zhengbian Technology Co ltd
Current assignee: Zhengbian Technology Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-10-20
Anticipated expiration: 2033-04-24

Abstract

The utility model relates to the technical field of transformers, in particular to a transformer core clamping piece. The clamping assembly is fixedly connected to the top of the base, a support plate is movably communicated with the outer wall of the clamping assembly, a convex plate is fixedly connected to the outer wall of the support plate, and a groove is formed in the support plate; the convex plate on one support plate is movably connected inside the groove on the other support plate, the U-shaped frames are movably connected to the outer walls of the two sides of the support plate, the fixing components are movably communicated between the convex plate and the groove and between the convex plate and the U-shaped frames, and the end parts of the U-shaped frames are fixedly connected with the lifting components. According to the utility model, the plurality of support plates are fixed with the U-shaped frame box through the fixing assembly, the lifting assembly drives the U-shaped frame to move up and down, so that the plurality of support plates are driven to move up and down, the clamping assembly is driven to stretch through the upward and downward movement of the support plates, the plurality of support plates are separated from the U-shaped frame through taking out the fixing assembly, and the clamping assembly is retracted to drive the support plates to retract so as to clamp different transformer cores.

Description

Transformer core clamp

Technical Field

The utility model relates to the technical field of transformers, in particular to a transformer core clamping piece.

Background

Transformers are the main components of power converters, and because of the conversion processes involving electricity, the safety requirements are very stringent. The transformer core is one of the main components of the transformer, and plays roles in skeleton support and magnetic circuit connection in the whole transformer structure. The iron core is used as a main component of the transformer, and the fastening degree of the iron core has direct influence on the overall noise level and the structural stability of the transformer. Therefore, it is necessary to apply a certain clamping force to the core, and there is a certain requirement for distribution of the clamping force.

For transformer core clips, there are many prior art techniques, such as:

chinese patent publication No. CN206259238U discloses a transformer core clamping piece, which belongs to the technical field of transformers. The clamping piece solves the problem that clamping pieces of the existing transformer iron core are easy to loosen. The transformer iron core clamping piece comprises an upper clamping piece, a lower clamping piece and a clamping plate, wherein a first limiting hole is formed in the side wall of the upper clamping piece and penetrates through the upper clamping piece, a second limiting hole is formed in the side wall of the lower clamping piece and penetrates through the lower clamping piece, a second limiting hole is formed in the side wall of the lower clamping piece, a second blocking edge is formed in the side wall of the lower clamping piece in a folded mode, a first mounting part and a second mounting part are arranged at two ends of the clamping plate, the first mounting part can be embedded into the first limiting hole, the side wall of the clamping plate can be abutted against the first blocking edge, and the second mounting part can be embedded into the side wall of the limiting Kong Erna clamping plate and abutted against the second blocking edge. The transformer core clamping piece can enable the clamping piece to firmly fix the core.

The upper clamping piece and the lower clamping piece of the existing transformer iron core are installed and connected through screw bolts and nuts, most of clamping pieces clamp a plurality of transformer iron cores simultaneously, the thickness of the clamped iron cores is relatively fixed, the fact that the thickness and the width of the iron cores on different transformers are different is considered, and the independent clamping of each iron core is inconvenient for iron cores with different thicknesses.

In view of the above, the present utility model provides a transformer core clip.

Disclosure of Invention

The utility model aims to solve the defects and provide a transformer core clamping piece capable of independently clamping cores with different thicknesses.

The fixing assembly is used for fixing the plurality of support plates and the U-shaped frame box, the lifting assembly is used for driving the U-shaped frame to move up and down, the support plates are driven to move up and down, the clamping assembly is driven to stretch through the support plates to move up and down, the support plates are separated from the U-shaped frame through taking out the fixing assembly, the clamping assembly is retracted, the support plates are retracted in the retraction process of the clamping assembly, and different support plates clamp different transformer cores.

The utility model provides a transformer iron core clamping piece which comprises a base, wherein the top of the base is fixedly connected with a clamping assembly, the outer wall of the clamping assembly is movably communicated with a support plate, the outer wall of the support plate is fixedly connected with a convex plate, and the support plate is provided with a groove;

the support plate comprises a support plate, wherein a convex plate is movably connected with the support plate, a U-shaped frame is movably connected with the outer walls of two sides of the support plate, a fixing component is movably communicated between the convex plate and the groove and between the convex plate and the U-shaped frame, and a lifting component is fixedly connected with the end part of the U-shaped frame.

As a further improvement of the technical scheme, the clamping assembly comprises a support column which is fixedly connected to the top of the base, a support plate is movably communicated with the outer wall of the support column, an elastic piece is fixedly connected between the support plate and the base, and the elastic piece is movably connected to the outer wall of the support column.

As a further improvement of the technical scheme, the fixing component comprises a supporting rod, the supporting rod is movably connected between the convex plate and the groove and the U-shaped frame, and nuts are movably connected to the outer walls of two ends of the U-shaped frame, where the supporting rod penetrates out.

As a further improvement of the technical scheme, the lifting assembly comprises a supporting block, the supporting block is fixedly connected to the end part of the U-shaped frame, a screw is movably communicated with the inside of the supporting block, and a motor output shaft is fixedly connected to the bottom of the screw.

As a further improvement of the technical scheme, the outer wall of one side of the base is fixedly connected with a T-shaped plate, the other side of the base is provided with a T-shaped groove, and one T-shaped plate on the base is movably connected with the inside of the T-shaped groove on the other base.

Compared with the prior art, the utility model has the beneficial effects that:

the support plates are fixed with the U-shaped frame box through the fixing assembly, the lifting assembly drives the U-shaped frame to move up and down, the support plates are driven to move up and down, the clamping assembly is driven to stretch through the support plates to move up and down, the support plates are separated from the U-shaped frame through taking out the fixing assembly, and the clamping assembly is retracted to drive the support plates to retract to clamp different transformer cores.

Drawings

The utility model is described in more detail below, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a lifting structure according to the present utility model;

FIG. 3 is a schematic view of a clamping structure according to the present utility model;

fig. 4 is a schematic diagram of the structure of fig. 1 a according to the present utility model.

The meaning of each reference sign in the figure is: 1. a base; 11. a support plate; 12. t-shaped plates; 120. a T-shaped groove; 13. a convex plate; 130. a groove; 14. a fixing assembly; 140. a support rod; 141. a nut; 15. a U-shaped frame; 16. a lifting assembly; 160. a motor; 161. a screw; 162. a support block; 17. a clamping assembly; 170. a support post; 171. an elastic member.

Detailed Description

The transformer core is one of the main parts of the transformer, and the upper clamping piece and the lower clamping piece of the existing transformer core are installed and connected through screw bolts and nuts, most of clamping pieces are used for clamping a plurality of transformer cores simultaneously, the thickness of the clamped cores is relatively fixed, the fact that the thickness and the width of the cores on different transformers are different is considered, and the cores with different thicknesses are inconvenient to clamp each core independently.

As shown in fig. 1-4, the device comprises a base 1, wherein the top of the base 1 is fixedly connected with a clamping assembly 17, the outer wall of the clamping assembly 17 is movably communicated with a support plate 11, the outer wall of the support plate 11 is fixedly connected with a convex plate 13, and a groove 130 is formed in the support plate 11;

the convex plate 13 on one support plate 11 is movably connected in the groove 130 on the other support plate 11, the U-shaped frames 15 are movably connected at the outer walls of the two sides of the support plate 11, the convex plate 13, the groove 130 and the U-shaped frames 15 are movably communicated with each other, the fixing components 14 are fixedly connected with the end parts of the U-shaped frames 15;

firstly, a specific structure of a clamping assembly 17 is disclosed, the clamping assembly 17 comprises a support column 170, the support column 170 is fixedly connected to the top of a base 1, the outer wall of the support column 170 is movably communicated with a support plate 11, an elastic member 171 is fixedly connected between the support plate 11 and the base 1, the elastic member 171 is movably connected to the outer wall of the support column 170, the elastic member 171 is driven to stretch between the support plate 11 and the base 1 by upward movement of the support plate 11 at the outer wall of the support column 170, and the elastic member 171 is self-elastic to rebound to drive the support plate 11 to tighten downwards so as to clamp an iron core between the support plate 11 and the base 1;

according to the above disclosure for the specific structure of the fixing assembly 14, the fixing assembly 14 includes the supporting rod 140, the supporting rod 140 is movably connected between the convex plate 13 and the groove 130 and the U-shaped frame 15, the nuts 141 are movably connected to the outer walls of the two ends of the supporting rod 140 penetrating the U-shaped frame 15, the supporting rod 140 penetrates between the convex plate 13 and the groove 130 and the U-shaped frame 15, the nuts 141 are screwed on the two ends of the supporting rod 140, so that the plurality of supporting plates 11 are fixed on the U-shaped frame 15, and the plurality of supporting plates 11 are conveniently separated from the U-shaped frame by taking out the supporting rod 140;

according to the above disclosure for the specific structure of the lifting assembly 16, the lifting assembly 16 includes a supporting block 162, the supporting block 162 is fixedly connected to the end of the U-shaped frame 15, a screw 161 is movably connected to the inside of the supporting block 162, an output shaft of the motor 160 is fixedly connected to the bottom of the screw 161, the screw 161 is driven to rotate by the rotation of the output shaft of the motor 160, the supporting block 162 is driven to move up and down at the outer wall of the screw 161 by the rotation of the screw 161, and the U-shaped frame 15 is driven to move up and down by the up-and-down movement of the supporting block 162, so that the plurality of supporting plates 11 move up and down.

The improvement of the embodiment is that: the supporting rods 140 penetrate through the convex plates 13, the grooves 130 and the U-shaped frames 15, nuts 141 are screwed at two ends of the supporting rods 140, so that the supporting plates 11 are fixed on the U-shaped frames 15, the screw 161 is driven to rotate through rotation of an output shaft of the motor 160, the supporting blocks 162 are driven to move up and down at the outer wall of the screw 161 through rotation of the screw 161, the U-shaped frames 15 are driven to move up and down through up and down movement of the supporting blocks 162, the supporting plates 11 are driven to move up and down, the supporting plates 11 are driven to move up at the outer wall of the supporting rods 170, the elastic pieces 171 are driven to stretch between the supporting plates 11 and the base 1, the supporting plates 11 are conveniently separated from the U-shaped frames through elastic resilience of the elastic pieces 171, the supporting plates 11 are driven to tighten down, and the iron core is clamped between the supporting plates 11 and the base 1;

the elastic piece 171 can be a spring, the push-pull force of the support plate 11 can be realized through the elasticity expansion of the spring, the elastic piece 171 can be made of elastic rubber material with a hollow structure, the wear resistance is good, the elasticity is sufficient, and the push-pull of the support plate 11 can also be realized;

the working principle of the motor 160 is that the magnetic field receives force on current to enable the output shaft of the motor 160 to rotate, and one energized wire receives force in the magnetic field, wherein the force is expressed as ampere force on the macro scale and as lorentz force on the motion charge on the micro scale, as known by the person skilled in the art;

in order to facilitate simultaneous clamping of iron cores with different numbers, a T-shaped plate 12 is fixedly connected to the outer wall of one side of the base 1, a T-shaped groove 120 is formed in the other side of the base 1, the T-shaped plate 12 on one base 1 is movably connected to the inside of the T-shaped groove 120 on the other base 1, the two bases 1 are connected by clamping the T-shaped plate 12 on one base 1 in the inside of the T-shaped groove 120 on the other base 1, and a plurality of bases 1 are connected to facilitate clamping of a plurality of iron cores;

to sum up, the working principle of the scheme is as follows:

the fixing assembly 14 is used for fixing a plurality of support plates 11 and a U-shaped frame 15 box, wherein the fixing assembly 14 passes through a support rod 140 from a convex plate 13 and a groove 130 and the U-shaped frame 15, nuts 141 are screwed at two ends of the support rod 140, so that the plurality of support plates 11 are fixed on the U-shaped frame 15, two bases 1 are connected through the T-shaped plate 12 on one base 1 clamped inside the T-shaped groove 120 on the other base 1, the plurality of bases 1 are connected, clamping is conveniently carried out on a plurality of iron cores, the lifting assembly 16 is used for driving the U-shaped frame 15 to move up and down, the plurality of support plates 11 are driven to move up and down, the lifting assembly 16 is driven to rotate through a motor 160 output shaft to drive a screw 161 to rotate, a support block 162 is driven to move up and down at the outer wall of the screw 161 through the screw 161, the support block 162 is driven to move up and down, the plurality of support plates 11 are driven to move up and down, the clamping assembly 17 is driven to stretch through the support plates 11 to move up and down, the clamping assembly 17 is driven to stretch the two bases 1, the clamping assembly 1 is driven to move up and down through the support plates 11 at the outer wall of the support plates 170, the elastic members are driven to retract between the support plates 1 and the support plates 11 and the iron cores, the elastic members are driven to retract between the support plates 11 and the bases 1 and the support plates are driven to retract, the support plates 11 and the elastic members are driven to retract, and the support plates are separated through the elastic members and the elastic members are driven.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a transformer core folder, includes base (1), its characterized in that: the clamping assembly (17) is fixedly connected to the top of the base (1), the outer wall of the clamping assembly (17) is movably communicated with the support plate (11), the outer wall of the support plate (11) is fixedly connected with the convex plate (13), and the support plate (11) is provided with the groove (130);

the novel support plate comprises a support plate (11), wherein a convex plate (13) is movably connected with the inside of a groove (130) on the other support plate (11), U-shaped frames (15) are movably connected with the outer walls of two sides of the support plate (11), fixing components (14) are movably communicated between the convex plate (13) and the groove (130) and between the convex plate and the U-shaped frames (15), and lifting components (16) are fixedly connected with the end parts of the U-shaped frames (15).

2. The transformer core clip of claim 1, wherein: the clamping assembly (17) comprises a support column (170), the support column (170) is fixedly connected to the top of the base (1), the support plate (11) is movably communicated with the outer wall of the support column (170), an elastic piece (171) is fixedly connected between the support plate (11) and the base (1), and the elastic piece (171) is movably connected to the outer wall of the support column (170).

3. The transformer core clip of claim 1, wherein: the fixing assembly (14) comprises a supporting rod (140), the supporting rod (140) is movably connected between the convex plate (13) and the groove (130) and the U-shaped frame (15), and nuts (141) are movably connected at the outer walls of two ends of the U-shaped frame (15) where the supporting rod (140) penetrates.

4. The transformer core clip of claim 1, wherein: the lifting assembly (16) comprises a supporting block (162), the supporting block (162) is fixedly connected to the end of the U-shaped frame (15), a screw (161) is movably communicated with the inside of the supporting block (162), and the bottom of the screw (161) is fixedly connected with an output shaft of a motor (160).

5. The transformer core clip of claim 1, wherein: the novel portable electric heating device is characterized in that a T-shaped plate (12) is fixedly connected to the outer wall of one side of the base (1), a T-shaped groove (120) is formed in the other side of the base (1), and the T-shaped plate (12) on one base (1) is movably connected to the inside of the T-shaped groove (120) on the other base (1).