Wire fixing device for isolation transformer

Abstract

The utility model discloses a wire fixing device for an isolation transformer, which comprises a connecting cable and further comprises a wire fixing assembly, the wire fixing assembly comprises a fixing ring, the fixing ring is used for fixing the position of the connecting cable, the front surface of the fixing ring is provided with an arc-shaped plate for protecting the outer wall of the connecting cable, and the arc-shaped plate is used for fixing the outer wall of the connecting cable. The bottom end of the arc-shaped plate is provided with an installation part used for fixedly installing the arc-shaped plate, and the transformer body is used for power conversion and arranged at the bottom end of the wire fixing assembly; by utilizing the design of the wire fixing assembly and the connecting cable, the connecting cable is inserted into the circular through groove of the fixing ring, so that the connecting cable can be prevented from shaking back and forth when being pulled, meanwhile, the arc-shaped plate is attached to the part of the connecting cable, the arc-shaped plate is adopted for processing, the right-angle side is eliminated, and the service life of the connecting cable is prolonged. Therefore, the abrasion damage to the outer wall of the connecting cable is reduced, and the protection effect on the outer wall of the connecting cable is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of isolation transformers, in particular to a wire fixing device for an isolation transformer. Background Art

[0002] In daily life, high-speed rail plays an important role in shortening long-distance travel time. The power transmission of high-speed rail is carried out through the contact network and pantograph. The current is converted through the isolation transformer installed inside the high-speed rail.

[0003] After the isolation transformer is installed with cables, the cables will be pulled during later repairs and maintenance, and the cables will be scratched against the wire end mounting plate on the top of the isolation transformer. The corners of the mounting plate are generally right angles. After the cable sheath is scratched against the right-angle mounting plate many times, the outer sheath of the wire will be damaged, which will affect the subsequent use of the cable. Utility Model Content

[0004] The purpose of the present utility model is to provide a wire fixing device for an isolation transformer to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a wire fixing device for an isolation transformer, comprising a connecting cable, and further comprising:

[0006] A cable fixing assembly, comprising a fixing ring for fixing the position of the connecting cable, a curved plate for protecting the outer wall of the connecting cable provided on the front of the fixing ring, and a mounting member for fixing the curved plate provided at the bottom end of the curved plate;

[0007] The transformer body is used for power conversion and is arranged at the bottom end of the fixed line component.

[0008] Preferably, a connecting block for connecting to a mounting member is fixedly connected to an outer wall of the fixing ring, a circular through groove is provided at the top end of the fixing ring, and the connecting cable is inserted and connected to the circular through groove.

[0009] Preferably, an arc-shaped edge is provided on the top of the circular through groove, and the arc-shaped edge is used to prevent the circular through groove and the connecting cable from being damaged by friction.

[0010] Preferably, the mounting member includes a connecting plate, the end of the connecting plate is fixedly connected to a clamping block, the front of the clamping block is provided with a threaded groove, and the internal thread of the threaded groove is inserted with a mounting bolt for fixing the clamping block and the transformer body.

[0011] Preferably, the clamping block is arched, and is used to be sleeved on the top of the transformer body.

[0012] Preferably, the connecting cables are arranged on the top of the transformer body, and the outer wall of the transformer body is sheathed with a control box for protecting the transformer body.

[0013] Preferably, a mounting plate for mounting the transformer body is fixedly connected to the bottom end of the transformer body, and the bottom end of the mounting plate is fixedly connected to the bottom end of the inner wall of the control box.

[0014] Technical effects and advantages of this utility model:

[0015] The utility model utilizes the design of the fixed wire component and the connecting cable, and inserts the connecting cable into the circular through groove of the fixing ring, thereby preventing the connecting cable from swinging back and forth repeatedly when the connecting cable is pulled, thereby preventing interference with adjacent connecting cables. At the same time, the part where the arc plate fits the connecting cable is processed in an arc shape to eliminate the right-angled edge. Therefore, when the connecting cable moves, the part where the arc contacts the connecting cable can reduce wear and damage to the outer wall of the connecting cable, thereby enhancing the protection effect on the outer wall of the connecting cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the wire fixing component and the transformer body of the utility model.

[0018] Figure 3 For this utility model Figure 2 A is a schematic diagram of the enlarged structure.

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the wire fixing component of the utility model.

[0020] Figure 5 This is a schematic diagram of the three-dimensional structure of the fixing ring of the utility model.

[0021] In the figure: 1. Wire fixing assembly; 11. Fixing ring; 12. Connecting block; 13. Connecting plate; 14. Arc plate; 15. Clamping block; 2. Connecting cable; 3. Transformer body; 4. Mounting plate; 5. Control box; 6. Mounting bolts. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The utility model provides Figure 1-5 The wiring device for an isolation transformer shown includes a connecting cable 2 and:

[0024] The wire fixing assembly 1 includes a fixing ring 11, which is used to fix the position of the connecting cable 2. The front of the fixing ring 11 is provided with a curved plate 14 for protecting the outer wall of the connecting cable 2. The bottom end of the curved plate 14 is provided with a mounting member for fixing the curved plate 14;

[0025] The transformer body 3 is used for power conversion and is disposed at the bottom end of the wire fixing assembly 1 .

[0026] Specifically, the connecting cable 2 is arranged on the top of the transformer body 3, the outer wall of the transformer body 3 is provided with a control box 5 for protecting the transformer body 3, the bottom end of the transformer body 3 is fixedly connected to a mounting plate 4 for installing the transformer body 3, and the bottom end of the mounting plate 4 is fixedly connected to the bottom end of the inner wall of the control box 5.

[0027] Furthermore, the transformer body 3 is an existing isolation transformer for high-speed railways, which is used to convert the power transmitted by the contact network into a power flow suitable for trains. The connecting cable 2 is an existing cable, which is electrically connected to the transformer body 3 for power transmission. The bottom end of the transformer body 3 is fixedly connected to the top of the mounting plate 4 by bolts, and the bottom end of the mounting plate 4 is fixedly connected to the bottom end of the inner wall of the control box 5 by welding. The mounting plate 4 and the control box 5 are both made of iron sheets. The control box 5 is a metal box used to install and protect the transformer body 3.

[0028] Specifically, the outer wall of the fixing ring 11 is fixedly connected with a connecting block 12 for connecting to the mounting piece, and a circular through groove is provided at the top of the fixing ring 11, and the connecting cable 2 is connected with the circular through groove through an insertion, and an arc-shaped edge is provided at the top of the circular through groove, and the arc-shaped edge is used to prevent the circular through groove and the connecting cable 2 from being damaged by friction. The mounting piece includes a connecting plate 13, and the end of the connecting plate 13 is fixedly connected with a clamping block 15, and a threaded through groove is provided on the front of the clamping block 15, and the internal thread of the threaded through groove is connected with a mounting bolt 6 for fixing the clamping block 15 and the transformer body 3. The clamping block 15 is arched, and the clamping block 15 is used to be sleeved on the top of the transformer body 3.

[0029] Furthermore, the fixing ring 11 and the connecting block 12 are made of metal, the number of the fixing rings 11 corresponds to the number of the connecting cables 2, the number of the fixing rings 11 corresponds to the number of the connecting blocks 12, the fixing ring 11 and the connecting block 12 are fixed by welding, and the edges of the top and bottom of the circular through groove of the fixing ring 11 are polished in an arc shape, so that when the connecting cable 2 shakes, the smooth arc end can greatly reduce the wear on the outer wall of the connecting cable 2, the connecting block 12 and the connecting plate 13 are connected by welding, and a clamping block 15 is symmetrically arranged at both ends of the connecting plate 13, and the clamping block 15 is used to be installed with the plate at the top of the transformer body 3, and the clamping block 15 is sleeved on the outer wall of the plate on the top of the transformer body 3 where the connector of the connecting cable 2 is installed, and the front of the plate at the top of the transformer body 3 is opened There is a threaded groove corresponding to the threaded groove of the clamping block 15, and the threads of the threaded groove and the inner wall of the threaded groove are engaged with the threads of the outer wall of the mounting bolt 6. Then, the mounting bolt 6 is threadedly inserted into the threaded groove of the clamping block 15 and threadedly inserted into the threaded groove of the transformer body 3 plate. The clamping block 15 is fixed to the top plate of the transformer body 3 to achieve the installation of the wire fixing component 1. The bottom end of the arc plate 14 is bonded to the top of the connecting plate 13. The arc plate 14 is made of metal. The corners of the top of the arc plate 14 near the connecting cable 2 are arc-polished, so that when the connecting cable 2 is bent, it can not only support the connecting cable 2, but also the arc shape can reduce friction damage to the outer wall of the connecting cable 2 relative to the right-angled side, thereby playing a protective role.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A wire fixing device for an isolation transformer, comprising a connecting cable (2), characterized in that: Also includes: A wire fixing assembly (1), the wire fixing assembly (1) comprising a fixing ring (11), the fixing ring (11) being used to fix the position of a connecting cable (2), a curved plate (14) being provided on the front side of the fixing ring (11) for protecting the outer wall of the connecting cable (2), and a mounting piece for fixing the curved plate (14) being provided at the bottom end of the curved plate (14); A transformer body (3) is used for converting electric power, and the transformer body (3) is arranged at the bottom end of the fixed line component (1).

2. The wire fixing device for an isolation transformer according to claim 1, characterized in that: The outer wall of the fixing ring (11) is fixedly connected with a connecting block (12) for connecting to a mounting member. The top of the fixing ring (11) is provided with a circular through groove, and the connecting cable (2) is inserted and connected with the circular through groove.

3. The wire fixing device for an isolation transformer according to claim 2, characterized in that: The top of the circular through groove is provided with an arc-shaped edge, and the arc-shaped edge is used to prevent the circular through groove and the connecting cable (2) from being damaged by friction.

4. The wire fixing device for an isolation transformer according to claim 1, characterized in that: The mounting member comprises a connecting plate (13), the end of the connecting plate (13) is fixedly connected to a clamping block (15), a front surface of the clamping block (15) is provided with a threaded through groove, and an internal thread of the threaded through groove is penetrated and connected with a mounting bolt (6) for fixing the clamping block (15) and the transformer body (3).

5. The wire fixing device for an isolation transformer according to claim 4, characterized in that: The clamping block (15) is arched and is used for being sleeved on the top of the transformer body (3).

6. The wire fixing device for an isolation transformer according to claim 1, characterized in that: The connecting cable (2) is arranged on the top of the transformer body (3), and the outer wall of the transformer body (3) is provided with a control box (5) for protecting the transformer body (3).

7. The wire fixing device for an isolation transformer according to claim 6, characterized in that: The bottom end of the transformer body (3) is fixedly connected to a mounting plate (4) for mounting the transformer body (3), and the bottom end of the mounting plate (4) is fixedly connected to the bottom end of the inner wall of the control box (5).

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