CN212516862U - Dry-type transformer clamp - Google Patents

Abstract

The utility model discloses a dry-type transformer clamp, it includes upper clamp and the lower clamp that uses with upper clamp combination, upper clamp is Z type splint, lower clamp is U type splint, upper clamp and lower clamp pass through the arm-tie and fix the iron core between upper and lower clamp, and all be equipped with feed-through hole and arm-tie bolt in the curb plate face of upper clamp and lower clamp, still be equipped with bellied screw post on the curb plate face of upper clamp, be equipped with bellied dowel pin on the upper plate face of lower clamp, this dry change novel clamp laser whole unloading, four corners all can be chamfered angle and bend at last, laser unloading bending length, and the thickness of using the plate can be controlled oneself greatly to improve the design matching degree, reaches the size more easily; the invention replaces the original assembly process, welding process and production process, adopts insulation measures during installation, installs screw holes and pulling plate holes, and sets the pressing holes, thereby saving cost, saving time and labor, being safe and practical.

Description

Dry-type transformer clamp

Technical Field

The utility model relates to a technical field, concretely relates to dry-type transformer folder are made in field transformer folder production.

Background

The core of the transformer often needs to be clamped in place by a clamp. And the dry-type transformer folder structure function singleness of prior art only possesses the clamping function, does not possess the removal function, finishes when the transformer installation, unable convenient removal transformer to greatly reduced the practicality of dry-type transformer folder structure.

Most of the dry transformer clamping pieces produced at present are channel steel punching and square steel punching. The drilling is complicated and the positioning is not accurate. The time that the channel steel section bar surface treatment got up is than longer, and it needs artifical location to add the trompil, then the drilling takes up the manual work longer, and the outward appearance is too simple on the channel steel folder, and everybody experiences generally in the vision, does not have characteristics.

Disclosure of Invention

For solving the not enough of prior art existence, the utility model provides a dry-type transformer folder.

The technical scheme of the utility model is that: the utility model provides a dry-type transformer folder, it includes folder and the lower folder that uses with last folder combination, it is Z type splint to go up the folder, the folder is U type splint down, it passes through the arm-tie with lower folder to go up the folder and fixes the iron core between last folder and lower folder, and all be equipped with the punch-through hole and arm-tie bolt in the curb plate face of going up folder and lower folder, be equipped with bellied screw post on the curb plate face of going up the folder, be equipped with bellied staple on the last face of folder down.

Furthermore, the upper clamping piece and the lower clamping piece are both laser blanking and integrally formed bending plates, and bending positions are fillets.

Further, the radius of the fillet is 5 mm.

Further, the upper clamping piece comprises a low-voltage upper clamping piece and a high-voltage upper clamping piece.

Further, the lower clamp includes a low pressure lower clamp and a high pressure lower clamp.

Furthermore, a base is connected to the lower portion of the lower clamping piece through a bolt.

The utility model discloses the beneficial effect who reaches does: according to the novel clamping piece for the dry transformer, laser integral blanking is performed, four corners can be rounded and finally bent, the bending length of the laser blanking and the thickness of a used material plate can be controlled by self, the design matching degree is greatly improved, and the size can be achieved more easily; the invention improves the original assembly process, welding process and production process, makes replacement and insulation measures during installation, and sets the installation screw hole, the pulling plate hole and the pressed hole, solves the problems of cost, labor, technology, safety and the like to a certain extent, and improves the whole visual effect, and is beautiful, elegant and practical.

Drawings

Fig. 1 is the utility model discloses a transformer core assembly structure sketch map.

Fig. 2 is a schematic view of the bottom view structure of the assembly of the clip and the iron core according to the present invention.

Fig. 3 is a schematic front structural view of the upper clamp of the present invention.

Fig. 4 is a schematic side view of the upper clip of the present invention.

Fig. 5 is a schematic front view of the lower clip of the present invention.

Fig. 6 is a schematic side view of the lower clip of the present invention.

In the figure: 1. the device comprises an upper clamping piece, 11, a screw column, 12, a bend, 13, an upper core penetrating hole, 14, an upper pulling plate bolt, 2, an iron core, 3, a pulling plate, 4, a lower clamping piece, 41, a positioning nail, 42, a lower core penetrating hole, 43, a lower pulling plate bolt, 5, a base, 6, a screw rod, 7, an insulating washer, 8, clamping piece insulation, 9, a grounding piece, 10 and a top pressing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a dry-type transformer clamp, it includes upper clamp 1 and lower clamp 4 that uses with upper clamp 1 combination, upper clamp 1 is Z type splint, lower clamp 4 is U type splint, upper clamp 1 and lower clamp 4 are laser unloading, the integrated into one piece thickness is 6 mm's the board of bending, and the department of bending is the radius angle, and the radius of radius angle is 5mm, the laser is whole unloading, and four corners all can be bent at the end by the radius angle, and laser unloading bending length, and the thickness of plate of using the board can be controlled by oneself, improves design matching degree greatly, reaches the size more easily; the lower part of the lower clamping piece 4 is connected with a base 5 through a bolt, and a grounding piece 9 is connected below the base 5. The upper clamping piece 1 comprises a low-voltage upper clamping piece and a high-voltage upper clamping piece, and the lower clamping piece 4 comprises a low-voltage lower clamping piece and a high-voltage lower clamping piece. The iron core 2 is fixed between the upper clamping piece 1 and the lower clamping piece 4 by the upper clamping piece 1 and the lower clamping piece 4 through the pulling plate 3, a core penetrating hole with the inner diameter of 14mm and a pulling plate bolt with the inner diameter of 16.5mm are arranged in side plate surfaces of the upper clamping piece 1 and the lower clamping piece 4, screw holes are arranged in an upper plate surface of the upper clamping piece 1 and a lower plate surface of the lower clamping piece 4, the screw holes are used for installing a coping 10, and the coping 10 is a hexagon bolt.

The feed-through hole is including setting up last feed-through hole 14 on the curb plate face of the vertical direction of punch holder and setting up lower feed-through hole 42 on the curb plate face of the vertical direction of lower plate, still is equipped with bellied screw post 11 on the curb plate face of last folder 1, be equipped with bellied location nail 41 on the last face of lower folder 4, specifically say: the upper end and the lower end of the upper clamping piece 1 are respectively provided with a bend 12, the bending directions of the upper end and the lower end are different, so that a Z-shaped bending plate is formed, and a screw column 11 protruding on the side plate surface in the vertical direction is used for positioning the upper end of the iron core plate; three side plate surfaces of the upper clamping piece 1 in the vertical direction are arranged at intervals

The pulling plate bolt is used for fixing the upper end of the pulling plate 3, the bending directions of the upper end and the lower end of the corresponding lower clamping piece 4 are the same, a U-shaped bending plate is formed, and a raised positioning nail 41 is arranged on the upper plate surface of the lower clamping piece 4 in the horizontal direction and used for positioning the lower end of the iron core plate; three lower clamping pieces 4 are arranged on the side plate surface in the vertical direction at intervals

The pulling plate bolt is used for fixing the lower end of the pulling plate 3.

After the upper end and the lower end of the pulling plate 3 are fixed, the upper core hole of the iron chip is aligned to the upper core through hole 14, a screw rod sequentially passes through the upper core through hole of the high-pressure upper clamping piece, the upper core hole of the iron chip and the upper core through hole of the low-pressure upper clamping piece, and finally the screw rod is fixed by a nut clamping piece; the lower core hole is aligned with the lower core through hole 42, the screw rod sequentially passes through the lower core through hole of the clamping piece under high pressure, the lower core through hole of the iron core piece and the lower core through hole of the clamping piece under low pressure, and finally the screw rod is fixed by the nut clamping piece, and the iron core is fixed by the clamping piece.

The working principle is as follows: firstly, fixing an upper clamping piece 1 and a lower clamping piece 4 through a pulling plate 3, inserting a core hole of an iron chip through a screw rod 6 according to the difference of high-voltage ends and low-voltage ends, and installing the high-voltage upper clamping piece and the high-voltage lower clamping piece on the same side, and installing the low-voltage upper clamping piece and the low-voltage lower clamping piece on the same side; and the junction of the screw rod and the nut is provided with an insulating washer 7, the intersection of the clamping piece and the iron chip is provided with a clamping piece insulator 8, and the upper plate surface of the upper clamping piece 1 and the lower plate surface of the lower clamping piece 4 after installation are both provided with screw holes for installing a coping 10, so that the clamping piece is installed more safely and tightly.

In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "etc., indicate orientations or positional relationships, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the present invention.

The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (6)

1. A dry-type transformer clamp, it includes the upper clamp and lower clamp used in combination with upper clamp, characterized by that: the iron core fixing device is characterized in that the upper clamping piece is a Z-shaped clamping plate, the lower clamping piece is a U-shaped clamping plate, the upper clamping piece and the lower clamping piece fix the iron core between the upper clamping piece and the lower clamping piece through a pulling plate, a core penetrating hole and a pulling plate bolt are arranged in side plate surfaces of the upper clamping piece and the lower clamping piece, a raised screw column is arranged on the side plate surface of the upper clamping piece, and a raised positioning nail is arranged on an upper plate surface of the lower clamping piece.

2. A dry transformer clip as recited in claim 1, wherein: the upper clamping piece and the lower clamping piece are both laser blanking and integrally formed bending plates, and bending positions are fillets.

3. A dry transformer clip as set forth in claim 2, wherein: the radius of the fillet is 5 mm.

4. A dry transformer clip as recited in claim 1, wherein: the upper clamping piece comprises a low-voltage upper clamping piece and a high-voltage upper clamping piece.

5. A dry transformer clip as recited in claim 1, wherein: the lower clamp includes a low pressure lower clamp and a high pressure lower clamp.

6. A dry transformer clip as recited in claim 1, wherein: the lower part of the lower clamping piece is connected with a base through a bolt.

Images