Wire tensioning device for high-voltage coil of electric dry-type transformer

By designing a combination of brackets, rolling columns, protective boxes, extension plates, threaded rods, and rotating plates, the high-voltage coil conductor tensioning device for electrical dry-type transformers achieves flexible adjustment and uniform tension distribution, solving the problem that existing devices cannot adapt to installation angle and position requirements, and improving the stability and ease of operation of the equipment.

CN223527011UActive Publication Date: 2025-11-07CRRC DALIAN CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422739563.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-11-07
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

The existing high-voltage coil conductor tensioning device for electrical dry-type transformers cannot adapt to different installation angles and positions in actual use, resulting in reduced equipment flexibility.

Method used

A wire tensioning device was designed, comprising a bracket, rolling column, protective box, extension plate, threaded rod, rotating plate, and base. The rolling column and threaded rod are driven by a motor, and combined with the rotating base, the wire can be flexibly adjusted and the tension can be evenly distributed.

Benefits of technology

It improves the stability and service life of the conductors, reduces the risk of failure due to improper installation or untimely maintenance, and enhances the flexibility and ease of operation of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223527011U_ABST
    Figure CN223527011U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of wire tensioning devices, and discloses an electric dry-type transformer high-voltage coil wire tensioning device which comprises a support, a rolling column is arranged on one side of the support, a protection box is arranged on one side of the support, one side of the support is in threaded connection with an extending piece, a threaded rod is arranged on one side of the extending piece, and the rolling column and the protection box are arranged on the other side of the support. The bottom of the support is in threaded connection with a rotating plate, and a base is arranged at the bottom of the rotating plate. According to the wire tensioning device for the high-voltage coil of the electric dry-type transformer, the rotating plate and the base are arranged in a matched mode, so that the device can still rotate after being fixed, direction adjustment is conducted, the device can easily adapt to various line trends and space limitation, an operator can conveniently adjust the tensioning direction of a wire according to actual needs, and the working efficiency is improved. Therefore, uniform tension distribution of the wire in the tensioning process is ensured, loosening or damage of the wire due to non-uniform tension is prevented, the stability of the wire is improved, and the service life of the wire is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to wire tensioning device technical field, concretely is a kind of electrical dry-type transformer high voltage coil wire tensioning device. BACKGROUND

[0002] In vehicle locomotive, dry-type transformer is the key component of power transmission and distribution system, and the stability and fastening degree of the wire of high voltage coil as the core part of dry-type transformer are directly related to the performance and reliability of the transformer, and the application of high voltage coil wire tensioning device in vehicle locomotive can ensure the fastening and stability of high voltage coil wire, and due to the complexity and uncertainty of vehicle operating environment, wire needs to be adjusted frequently, thus a wire tensioning device capable of adjusting direction at any time is needed.

[0003] Chinese patent publication No.CN219936863U discloses a kind of dry-type transformer high voltage coil wire tensioning device, including base, the outer surface top of the base is fixedly connected with mounting plate, the outer surface one side of the mounting plate is fixedly installed with motor, the output of the motor is fixedly connected with winding rod, the outer surface one end of the winding rod is fixedly connected with baffle, the outer surface top of the base is fixedly connected with auxiliary plate, the top of the auxiliary plate is equipped with rectangular slot, this dry-type transformer high voltage coil wire tensioning device, by setting adjustable clamping device, under the action of first threaded rod, can drive screw hole block movement, in turn can drive first rectangular frame movement, under the action of second threaded rod, can drive screw hole block movement, in turn in suitable position to wire clamping, so that wire can be fixed after being tensioned, in turn so that wire cannot sway on winding rod left and right.

[0004] However, the utility model has the following problems in actual use:

[0005] The utility model cannot adapt to different installation angles and position requirements after the position of the device is fixed in actual use, which will limit the selection of installation position and reduce the flexibility of equipment. UTILITY MODEL CONTENTS

[0006] (I) technical problem solved

[0007] In order to overcome the above-mentioned defects of prior art, the utility model provides a kind of electrical dry-type transformer high voltage coil wire tensioning device, solves the prior art in:

[0008] The utility model cannot adapt to different installation angles and position requirements after the position of the device is fixed in actual use, which will limit the selection of installation position and reduce the flexibility of equipment.

[0009] (II) technical scheme

[0010] In order to achieve the above object, the utility model discloses a kind of electrical dry-type transformer high voltage coil wire tensioning device, including support, the side of the support is equipped with rolling column, the side of the support is equipped with protective box, the side of the support is screw-connected with extension piece, the side of the extension piece is equipped with threaded rod, the bottom of the support is screw-connected with rotating plate, the bottom of the rotating plate is equipped with base.

[0011] According to an embodiment of the utility model, the edge wall of the support is fixedly installed with the clamping cover, the inner wall of the support is screw-connected with the fixed plate, and the side of the fixed plate is screw-connected with the plug-in rack.

[0012] According to an embodiment of the utility model, the both ends of the rolling column are fixedly installed with the wire collecting disc, one end of the rolling column is fixedly installed with the clamping head, and one end of the clamping head is clamped with the inner wall of the clamping cover.

[0013] According to an embodiment of the utility model, the inner wall of the protective box is fixedly installed with the motor, one end of the protective box is clamped with the box cover, and one end of the protective box is screw-connected with the side of the plug-in rack.

[0014] According to an embodiment of the utility model, the inner wall of the extension piece is fixedly installed with the rolling sleeve, and the outer wall of the extension piece is screw-connected with the fixed sheet.

[0015] According to an embodiment of the utility model, the inner wall of the threaded rod is fixedly installed with the bearing, the inner wall of the bearing is fixedly installed with the clamp, and the outer surface of the threaded rod is screw-connected with the inner wall of the fixed sheet.

[0016] According to an embodiment of the utility model, the middle part of the rotating plate is provided with the mounting hole, and the inner wall of the mounting hole is clamped with the connecting piece.

[0017] According to an embodiment of the utility model, the inner wall of the base is fixedly installed with the bottom bearing, the both sides of the base are fixedly connected with the stabilizing sheet, and the bottom end of the connecting piece is fixedly installed with the inner wall of the bottom bearing.

[0018] (Three) beneficial effects

[0019] The utility model provides a kind of electrical dry-type transformer high voltage coil wire tensioning device, with following beneficial effects:

[0020] The high-voltage coil wire tensioning device of the electrical dry-type transformer is provided with a rotating plate and a base, so that the device can still rotate after being fixed, thereby adjusting the direction, easily adapting to various line directions and space limitations, and facilitating the operator to adjust the tensioning direction of the wire according to actual needs, so as to ensure that the wire maintains uniform tension distribution during the tensioning process, helps to prevent the wire from loosening or being damaged due to uneven tension, improves the stability and service life of the wire, and the design of the rotating base can make the wire tensioning device more flexible and convenient during installation and maintenance, and help to reduce the risk of failure caused by improper installation or untimely maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the rolling column of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the protective box of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the extension piece of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the threaded rod of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the base of the utility model.

[0027] In the drawing: 1, support; 2, rolling column; 3, protective box; 4, extension piece; 5, threaded rod; 6, rotating plate; 7, base; 8, clamping cover; 9, fixed plate; 10, plug-in rack; 11, wire collection disc; 12, clamping head; 13, motor; 14, box cover; 15, rolling sleeve; 16, fixed piece; 17, bearing; 18, clamp; 19, mounting hole; 20, connecting piece; 21, bottom bearing; 22, stabilizing piece. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Embodiment one:

[0030] Please refer to Figures 1 to 3 In order to make the device facilitate the collection of the wire, the support 1, the rolling column 2 and the protective box 3 are arranged;

[0031] The bracket 1 is provided with a rolling column 2 on one side, a protection box 3 on one side, a clamping cover 8 fixedly installed on the side wall of the bracket 1, a fixed plate 9 threadedly connected to the inner wall of the bracket 1, a plug-in rack 10 threadedly connected to one side of the fixed plate 9, a wire distribution disc 11 fixedly installed at both ends of the rolling column 2, a clamping head 12 fixedly installed at one end of the rolling column 2, the clamping head 12 being clamped at one end with the inner wall of the clamping cover 8, a motor 13 fixedly installed on the inner wall of the protection box 3, a box cover 14 clamped at one end of the protection box 3, and the protection box 3 being threadedly connected at one end with one side of the plug-in rack 10, so that the clamping cover 8 is used for clamping with the clamping head 12 to ensure smooth rolling of the rolling column 2, the fixed plate 9 is used for threadedly connecting and fixing the bracket 1 with the plug-in rack 10, the plug-in rack 10 is used for stably installing and fixing the protection box 3, the wire distribution disc 11 is used for ensuring that the wires will not be disordered or entangled during rolling and tensioning, the clamping head 12 is used for cooperating with the clamping cover 8 to ensure that the rolling column 2 can roll and will not fall off, the motor 13 is used for providing power to drive the rolling column 2 to roll, thereby realizing the tensioning effect on the wires, the motor 13 is connected with an external power supply and is controlled to be turned on or off through a switch, the output end of the motor 13 is clamped with the inner wall of one end of the rolling column 2, and the box cover 14 is used for protecting the motor 13 in the protection box 3 from the interference and damage of the external environment.

[0032] Example two:

[0033] Please refer to Figure 4 and Figure 5 , in order to fix the wires during winding and avoid damaging the wires, an extension piece 4 and a threaded rod 5 are arranged;

[0034] The extension piece 4 is threadedly connected to one side of the bracket 1, the threaded rod 5 is arranged on one side of the extension piece 4, the rolling sleeve 15 is fixedly installed on the inner wall of the extension piece 4, the fixed piece 16 is threadedly connected to the outer wall of the extension piece 4, the bearing 17 is fixedly installed on the inner wall of the threaded rod 5, the clamp 18 is fixedly installed on the inner wall of the bearing 17, and the outer surface of the threaded rod 5 is threadedly connected with the inner wall of the fixed piece 16, so that the rolling sleeve 15 is used for rolling the wires on the inner wall thereof to reduce the friction and loss of the wires during tensioning, the fixed piece 16 is used for threadedly connecting and supporting the threaded rod 5, the bearing 17 is used for facilitating the adjustment of the angle of the clamp 18 during wire clamping, and the clamp 18 is used for clamping the wires to ensure that the wires will not be loose or fall off during tensioning.

[0035] Example three:

[0036] Please refer to Figure 6 , in order to adjust the direction after fixing, a rotating plate 6 and a base 7 are arranged;

[0037] The bottom of the support 1 is threadedly connected with a rotating plate 6, the bottom of the rotating plate 6 is provided with a base 7, the middle part of the rotating plate 6 is provided with an installation hole 19, the inner wall of the installation hole 19 is clamped with a connecting piece 20, the inner wall of the base 7 is fixedly installed with a bottom bearing 21, the two sides of the base 7 are both fixedly connected with a stabilizing sheet 22, the bottom end of the connecting piece 20 is fixedly installed with the inner wall of the bottom bearing 21, therefore the installation hole 19 is used for connecting the rotating plate 6 and the base 7 together to form a rotating base part, the connecting piece 20 is used for connecting the rotating plate 6 and the base 7 together to realize stable installation of the rotating base, the bottom bearing 21 is used for enabling the rotating plate 6 to freely turn, and the stabilizing sheet 22 is used for fixedly installing the device.

[0038] The electrical components presented in this document are all electrically connected with the main controller and 220V mains, and the main controller can be a conventional known device such as a computer.

[0039] In the utility model, the working steps of the device are as follows:

[0040] First, the base 7 is fixedly installed at a required position to ensure that the base 7 is stably installed, the wire to be tensioned is passed through the rolling sleeve 15 and wound around the rolling column 2, the motor 13 in the protection box 3 is started, the rolling column 2 is rolled through the driving action of the motor 13, so that the wire is tensioned, the wire is clamped and fixed by the clamp 18 through the rotating threaded rod 5 after the wire is tensioned, then the tensioning direction of the wire is adjusted by rotating the rotating plate 6 according to actual needs, so as to adapt to various line directions and space limitations.

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

Claims

1. An electrical dry-type transformer high-voltage coil wire tensioning device comprising a support (1), characterized in that: One side of the support (1) is provided with a rolling column (2), one side of the support (1) is provided with a protective box (3), one side of the support (1) is threadedly connected with an extension piece (4), one side of the extension piece (4) is provided with a threaded rod (5), the bottom of the support (1) is threadedly connected with a rotating plate (6), and the bottom of the rotating plate (6) is provided with a base (7).

2. A device for tensioning the high voltage coil conductor of an electrical dry-type transformer according to claim 1, characterized in that The edge wall of the support (1) is fixedly installed with a clamping cover (8), the inner wall of the support (1) is threadedly connected with a fixed plate (9), and one side of the fixed plate (9) is threadedly connected with a plug-in rack (10).

3. A high voltage coil wire tensioning device for an electrical dry-type transformer according to claim 2, characterized in that: Both ends of the rolling column (2) are fixedly installed with a wire distribution disc (11), one end of the rolling column (2) is fixedly installed with a clamping head (12), and one end of the clamping head (12) is clamped with the inner wall of the clamping cover (8).

4. A device for tensioning the high voltage coil conductor of an electrical dry-type transformer according to claim 2, characterized in that: The inner wall of the protective box (3) is fixedly installed with a motor (13), one end of the protective box (3) is clamped with a box cover (14), and one end of the protective box (3) is threadedly connected with one side of the plug-in rack (10).

5. A device for tensioning the high voltage coil conductor of an electrical dry-type transformer according to claim 1, characterized in that: The inner wall of the extension piece (4) is fixedly installed with a rolling sleeve (15), and the outer wall of the extension piece (4) is threadedly connected with a fixed piece (16).

6. An electrical dry-type transformer high voltage coil lead wire tensioning device as defined in claim 5, wherein: The inner wall of the threaded rod (5) is fixedly installed with a bearing (17), the inner wall of the bearing (17) is fixedly installed with a clamp (18), and the outer surface of the threaded rod (5) is threadedly connected with the inner wall of the fixed piece (16).

7. A device for tensioning the high voltage coil conductor of an electrical dry-type transformer according to claim 1, characterized in that: The middle part of the rotating plate (6) is provided with a mounting hole (19), and the inner wall of the mounting hole (19) is clamped with a connecting piece (20).

8. An electrical dry-type transformer high voltage coil lead wire tensioning device as defined in claim 7, characterized in that: The inner wall of the base (7) is fixedly installed with a bottom bearing (21), both sides of the base (7) are fixedly connected with a stabilizing piece (22), and the bottom end of the connecting piece (20) is fixedly installed with the inner wall of the bottom bearing (21).

Citation Information

Patent Citations

  • Dry-type transformer high-voltage coil wire tensioning device

    CN219936863U