Modularized fast-assembly winding assembly of mining flame-proof dry-type transformer

Abstract

The utility model discloses a modularized fast-assembly winding assembly of a mining explosion-proof dry-type transformer, which relates to the technical field of mining electrical equipment, and comprises a winding module and a support mechanism used for clamping and installing the winding module, the support mechanism comprises a yoke column, the outer side of the yoke column is fixedly provided with a fixing frame, and the yoke column is fixed on the fixing frame. A lower cushion block is fixedly arranged on the fixing frame, a lower clamping groove used for clamping a winding module is formed in the lower cushion block, a mounting assembly is fixedly arranged on the yoke column, the mounting assembly is used for being matched with the lower clamping groove to clamp the winding module, the mounting assembly comprises an upper clamping piece fixedly connected with the yoke column, a telescopic part is fixedly arranged on the upper clamping piece, and the upper clamping piece is fixedly connected with the yoke column. An upper cushion block is fixedly arranged at the end, away from the upper clamping piece, of the telescopic part, and an upper clamping groove is formed in the upper cushion block. According to the modularized fast-assembly winding assembly of the mining explosion-proof dry-type transformer, the winding modules are convenient to disassemble or assemble, the installation is stable, and the working efficiency is high.

Description

Technical Field

[0001] This utility model relates to the field of mining electrical equipment technology, specifically to a modular quick-install winding assembly for a mining explosion-proof dry-type transformer. Background Technology

[0002] In the mining production process, such as coal mining, the explosion-proof dry-type transformer is one of the core equipment of the underground power supply system in coal mines. It undertakes the important tasks of voltage transformation and power distribution. The explosion-proof dry-type transformer mainly consists of iron core, winding assembly, shell and related insulation and cooling systems. Among them, the winding assembly is the core component of the transformer, which realizes voltage transformation through the principle of electromagnetic induction.

[0003] Traditional explosion-proof dry-type transformer winding assemblies for mining typically employ a relatively fixed structure and installation method. The connection between the windings, the core, and other components is relatively tight, which can meet the basic requirements for power transmission and conversion, ensuring the normal power supply to underground equipment in coal mines.

[0004] However, in the complex working environment of underground coal mines, after long-term operation, transformer winding components may experience various faults, such as insulation aging and inter-turn short circuits. Once a winding component fails, it needs to be repaired or replaced in a timely manner. However, due to the difficulty in installing and disassembling traditional winding components, maintenance personnel often need to spend a lot of time and energy to operate them. This not only prolongs the downtime of the equipment and affects the normal production of the coal mine, but also increases maintenance costs and safety risks.

[0005] Therefore, in order to address the above issues, the applicant needs to design a modular quick-connect winding assembly for explosion-proof dry-type transformers used in mining to solve the problems. Utility Model Content

[0006] The purpose of this invention is to provide a modular quick-connect winding assembly for explosion-proof dry-type transformers used in mining, in order to solve the problems mentioned in the background section.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a modular quick-connect winding assembly for a mine explosion-proof dry-type transformer, including a winding module.

[0008] It also includes: a support mechanism for clamping and mounting the winding module, the support mechanism comprising a yoke column, and a fixing frame fixedly disposed on the outer side of the yoke column, a lower pad fixedly disposed on the fixing frame, and a lower slot for engaging the winding module on the lower pad, an installation component fixedly disposed on the yoke column, and the installation component for engaging the winding module with the lower slot, the installation component comprising an upper clamping member fixedly connected to the yoke column, and a telescopic component fixedly disposed on the upper clamping member, an upper pad fixedly disposed at the end of the telescopic component away from the upper clamping member, and an upper slot provided on the upper pad.

[0009] Furthermore, the upper clamp is provided with a connector, a low-voltage insulator is fixedly provided on the connector, and a copper busbar is fixedly provided at the end of the low-voltage insulator away from the connector.

[0010] Furthermore, an outer lead plate is fixedly installed on the copper busbar, and the end of the outer lead plate away from the copper busbar extends into the winding module.

[0011] Furthermore, a fixing member is fixedly provided on the outer surface of the outer lead plate extending into the winding module, and the fixing member is connected to the upper clamp and the fixing frame.

[0012] Furthermore, a support member is fixedly installed below the fixed frame, and a support base is fixedly installed below the support member, and the support base is fixedly connected to the housing of the external transformer.

[0013] Furthermore, the telescopic component includes a hollow sleeve fixedly connected to the upper clamp, and a buffer spring is provided inside the hollow sleeve. One end of the buffer spring is fixedly provided with a slider that is slidably connected to the hollow sleeve, and the slider is fixedly connected to the upper pad.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the modular quick-install winding assembly of this mine explosion-proof dry-type transformer is easy to disassemble or install the winding module, and the installation is stable and the working efficiency is high. The specific details are as follows:

[0015] When using the modular quick-installation winding assembly of this explosion-proof dry-type transformer for mining, the winding module is first precisely placed in the lower slot of the fixing frame for initial positioning. Then, by operating the installation component, its telescopic part automatically applies downward pressure, causing the upper pad and its upper slot to tightly engage with the top of the winding module 1, forming a stable and reliable mechanical fixation. At the same time, the winding module extends directly to the internal conductor through the pre-installed outer lead plate. The end of the outer lead plate is connected to the external circuit through a copper busbar, which is fixed to the low-voltage insulator to ensure insulation safety. It is also integrated with the support mechanism through connectors. The fixing parts further reinforce the insertion position of the outer lead plate to ensure interface stability. When it is necessary to replace the winding module 1, simply release the clamping force of the telescopic part, separate the electrical interface between the copper busbar and the outer lead plate, and the faulty module can be removed as a whole. Conversely, insert the new module into the lower slot, close the upper slot and lock the telescopic part, and then connect the copper busbar interface to complete the replacement. This makes it easy to disassemble or install the winding module, and the installation is stable and efficient. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0017] Figure 2 This is a three-dimensional structural diagram of the support mechanism of this utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the mounting components of this utility model;

[0019] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A;

[0020] Figure 5 This is a cross-sectional view of the telescopic component of this utility model.

[0021] In the diagram: 1. Winding module; 2. Support mechanism; 20. Yoke column; 21. Mounting component; 22. Fixing frame; 23. Lower pad block; 24. Lower slot; 25. Support component; 26. Support base; 210. Upper clamp; 211. Telescopic component; 212. Upper pad block; 213. Upper slot; 214. Outer lead plate; 215. Copper busbar; 216. Low-voltage insulator; 217. Connector; 218. Fixing component; 2110. Hollow sleeve; 2111. Buffer spring; 2112. Slider. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1-5 As shown, the modular quick-installation winding assembly of the explosion-proof dry-type transformer for mining applications of this utility model includes a winding module 1 and a support mechanism 2 for clamping and installing the winding module 1. The support mechanism 2 includes a yoke 20, and a fixing frame 22 is fixedly provided on the outer side of the yoke 20. A lower pad 23 is fixedly provided on the fixing frame 22, and a lower slot 24 for engaging the winding module 1 is provided on the lower pad 23. An installation component 21 is fixedly provided on the yoke 20, and the installation component 21 is used to clamp the winding module 1 in conjunction with the lower slot 24. The installation component 21 includes an upper clamp 210 fixedly connected to the yoke 20, and a telescopic component 211 is fixedly provided on the upper clamp 210. An upper pad 212 is fixedly provided at the end of the telescopic component 211 away from the upper clamp 210, and an upper slot 213 is provided on the upper pad 212.

[0024] A connector 217 is provided on the upper clamp 210, and a low-voltage insulator 216 is fixedly installed on the connector 217. A copper busbar 215 is fixedly installed at the end of the low-voltage insulator 216 away from the connector 217. By setting the connector 217, the low-voltage insulator 216 and the copper busbar 215, the standardized and rapid connection of the low-voltage side lead wire of the winding module 1 is realized. The low-voltage insulator 216 ensures reliable insulation of the lead wire to the outer shell and the support mechanism 2, meeting the strict explosion-proof safety requirements in the mine. The copper busbar 215 provides a stable and low-loss current path, simplifying the electrical connection process on the low-voltage side. When replacing the winding module 1, there is no need to disassemble and reconnect a large number of low-voltage cables. It is only necessary to disconnect / connect the interface at the copper busbar 215, which greatly improves maintenance efficiency, shortens power outage time, and reduces the risk of subsequent failures and safety risks caused by incorrect connection or poor contact.

[0025] An external lead plate 214 is fixedly installed on the copper busbar 215, and the end of the external lead plate 214 away from the copper busbar 215 extends into the winding module 1. The external electrical interface is directly pre-connected to the internal conductor of the winding module 1. When installing or removing the winding module 1, it is only necessary to operate the connection point of the external lead plate 214 at the copper busbar 215 to complete the switching on and off of the entire module's electrical circuit. This completely eliminates the need for the complex wiring or unwiring of the transformer winding leads in a narrow space under traditional methods, making the replacement of the winding module 1 exceptionally quick and safe, and minimizing the impact of equipment downtime on coal mine production.

[0026] The outer lead plate 214 extends into the winding module 1 and is fixedly provided with a fixing member 218 on its outer surface. The fixing member 218 is connected to the upper clamp 210 and the fixing frame 22. The fixing member 218 is provided at the part where the outer lead plate 214 enters the winding module 1 and is connected to the upper clamp 210 and the fixing frame 22. This provides double stable support and precise positioning for the outer lead plate 214. On the one hand, the fixing member 218 prevents the outer lead plate 214 from being displaced or stressed due to vibration or operation inside the winding module 1 or at the passage point, thus protecting the reliability of the internal connection. On the other hand, the rigid connection with the support mechanism 2 ensures that the connection interface position of the outer lead plate 214 and its end at the copper busbar 215 is fixed and easy to align, further improving the convenience of quick installation and connection reliability, and reducing the risk of connection failure due to interface misalignment or stress.

[0027] A support member 25 is fixedly installed below the fixed frame 22, and a support base 26 is fixedly installed below the support member 25. The support base 26 is fixedly connected to the external transformer housing. The support member 25 and the support base 26 are installed below the fixed frame 22, and the support base 26 is fixedly connected to the external transformer housing, providing a stable, reliable and easy-to-position mechanical installation foundation for the entire support mechanism 2 and the winding module 1 installed on it.

[0028] The telescopic component 211 includes a hollow sleeve 2110 fixedly connected to the upper clamp 210, and a buffer spring 2111 is provided inside the hollow sleeve 2110. A slider 2112 is fixedly provided at one end of the buffer spring 2111 and slidably connected to the hollow sleeve 2110. The slider 2112 is fixedly connected to the upper pad 212. The telescopic component 211 is specifically designed as a structure including the hollow sleeve 2110, the buffer spring 2111 and the slider 2112, which provides a stable, adaptive and buffered clamping force. The buffer spring 2111 continuously applies pressure to the upper pad 212 through the slider 2112 to ensure that the winding module 1 is stably pressed between the lower slot 24 and the upper slot 213 to prevent loosening.

[0029] Working Principle: When using the modular quick-installation winding assembly of this mine explosion-proof dry-type transformer, during installation, the winding module 1 is first precisely placed in the lower slot 24 of the fixing frame 22 for initial positioning. Subsequently, by operating the installation assembly 21, its telescopic component 211 automatically applies downward pressure, causing the upper pad 212 and its upper slot 213 to tightly fasten the top of the winding module 1, forming a stable and reliable mechanical fixation. At the same time, the winding module 1 extends directly to the internal conductor of the module through the pre-installed outer lead plate 214. The end of the outer lead plate 214 is connected to the external circuit through the copper busbar 215. The copper busbar 215 is fixed to the low-voltage insulator 216 to ensure insulation safety and is integrated with the support mechanism 2 through the connector 217 and the fixing component 218. The insertion position of the outer lead plate 214 is further reinforced to ensure interface stability. When the winding module 1 needs to be replaced, it is only necessary to release the clamping force of the telescopic component 211, separate the electrical interface between the copper busbar 215 and the outer lead plate 214, and the faulty module can be removed as a whole. Conversely, the new module is inserted into the lower slot 24, the upper slot 213 is closed and the telescopic component 211 is locked, and then the copper busbar 215 interface is connected to complete the replacement. This makes it easy to disassemble or install the winding module 1, and the installation is stable with high work efficiency.

[0030] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A modular quick-connect winding assembly for a mine explosion-proof dry-type transformer, including a winding module (1). Its features are, Also includes: A support mechanism (2) for clamping and mounting the winding module (1) includes a yoke (20), and a fixing frame (22) is fixedly provided on the outer side of the yoke (20). A lower pad (23) is fixedly provided on the fixing frame (22), and a lower slot (24) for engaging the winding module (1) is provided on the lower pad (23). An installation component (21) is fixedly provided on the yoke (20), and the installation component (21) is used to clamp the winding module (1) in conjunction with the lower slot (24). The installation component (21) includes an upper clamp (210) fixedly connected to the yoke (20), and a telescopic component (211) is fixedly provided on the upper clamp (210). An upper pad (212) is fixedly provided at the end of the telescopic component (211) away from the upper clamp (210), and an upper slot (213) is provided on the upper pad (212).

2. The modular quick-connect winding assembly of the explosion-proof dry-type transformer for mining as described in claim 1, characterized in that: The upper clamp (210) is provided with a connector (217), a low-voltage insulator (216) is fixedly provided on the connector (217), and a copper busbar (215) is fixedly provided at the end of the low-voltage insulator (216) away from the connector (217).

3. The modular quick-connect winding assembly of the mine explosion-proof dry-type transformer according to claim 2, characterized in that: An outer lead plate (214) is fixedly installed on the copper busbar (215), and the end of the outer lead plate (214) away from the copper busbar (215) extends into the winding module (1).

4. The modular quick-connect winding assembly of the explosion-proof dry-type transformer for mining as described in claim 3, characterized in that: The outer lead plate (214) extends into the winding module (1) and is fixedly provided with a fastener (218), and the fastener (218) is connected to the upper clamp (210) and the fixing frame (22).

5. The modular quick-connect winding assembly of the explosion-proof dry-type transformer for mining as described in claim 1, characterized in that: A support member (25) is fixedly installed below the fixed frame (22), and a support base (26) is fixedly installed below the support member (25), and the support base (26) is fixedly connected to the outer transformer housing.

6. The modular quick-connect winding assembly of the explosion-proof dry-type transformer for mining as described in claim 1, characterized in that: The telescopic component (211) includes a hollow sleeve (2110) fixedly connected to the upper clamp (210), and a buffer spring (2111) is provided inside the hollow sleeve (2110). A slider (2112) is fixedly provided at one end of the buffer spring (2111) and is slidably connected to the hollow sleeve (2110). The slider (2112) is fixedly connected to the upper pad (212).

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