Oil-immersed transformer convenient to mount and dismount

Abstract

The utility model relates to the technical field of transformer connecting structures, in particular to an oil-immersed transformer convenient to mount and dismount, which comprises an oil-immersed transformer body and a fixed base, a limiting component is arranged at the bottom of the oil-immersed transformer body, and a mounting groove is formed in the middle of the top surface of the fixed base. A pull rope can be wound through an arranged winding rod, so that a fixing block can be pulled to slide towards the interior of a groove, an arranged spring can push the fixing block out of the groove in a sliding mode after the pull rope loses pulling force on the spring, and during installation, the winding rod is rotated to wind the pull rope, the fixing block is pulled back into the groove, so that the fixing block is pulled out of the groove. And then the connecting bottom block slides into the mounting groove, then the winding rod is loosened, then the fixing block is jacked into the fixing groove by the spring, and contrary operations of mounting and dismounting are completed at the moment, so that connection and dismounting of the oil-immersed transformer body and the fixing base can be facilitated, and later replacement and maintenance of the oil-immersed transformer body are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer connection structures, in particular to an oil-immersed transformer which is convenient to install and disassemble. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are the primary coil, the secondary coil and the iron core. The main functions of the transformer are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization, etc. Among them, the explosion-proof oil-immersed type is one of the many transformers. The oil-immersed transformer refers to a transformer that relies on oil as a cooling medium, such as oil-immersed self-cooling, oil-immersed air cooling, oil-immersed water cooling, forced oil circulation, etc.

[0003] At present, when using, the explosion-proof oil-immersed transformer needs to be installed on a base, but the existing explosion-proof oil-immersed transformer is not convenient to install and disassemble with the base, so it is not convenient to overhaul or replace the explosion-proof oil-immersed transformer later.

[0004] Therefore, an oil-immersed transformer that is easy to install and disassemble is needed to improve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an oil-immersed transformer that is easy to install and disassemble, so as to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An oil-immersed transformer that is easy to install and disassemble, comprising an oil-immersed transformer body and a fixed base, wherein a limit assembly is arranged at the bottom of the oil-immersed transformer body, a mounting groove is arranged in the middle of the top surface of the fixed base, and the oil-immersed transformer body is connected to the fixed base through the limit assembly and the mounting groove;

[0008] The limiting assembly includes a connecting bottom block arranged at the bottom of the oil-immersed transformer body, grooves are opened on the left and right sides of the connecting bottom block, springs are evenly arranged inside the grooves, the grooves are slidably connected to a fixing block through the spring, a winding rod is rotatably connected to the middle of the inner part of the connecting bottom block, pull ropes are evenly arranged on the left and right sides of the winding rod, a turntable is arranged at the end of the winding rod, and a roller is rotatably connected to the bottom of the connecting bottom block.

[0009] As a preferred solution of the utility model, the inner wall of the installation groove is symmetrically provided with fixing grooves, and the connection mode between the fixing block and the fixing groove is a sliding connection.

[0010] As a preferred solution of the utility model, a rolling groove is provided at the bottom of the connecting bottom block and corresponds to the roller, and the roller is rotatably connected inside the rolling groove.

[0011] As a preferred solution of the utility model, the pull rope is fixedly connected to the base, the spring and the fixing block in sequence.

[0012] As a preferred solution of the utility model, a ramp is provided on the front side of the fixed base and located at the lower side of the mounting groove.

[0013] As a preferred solution of the utility model, the middle of the interior of the connecting bottom block is designed as a hollow structure.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, the drawstring can be rolled up by the winding rod, so that the fixed block can be pulled to slide inside the groove. The spring can slide the fixed block out of the groove after the drawstring loses its pulling force. During installation, the winding rod is rotated to roll up the drawstring, the fixed block is pulled back into the groove, and then the connecting bottom block is slid into the installation groove and the winding rod is released. Then the spring will push the fixed block into the fixed groove. At this time, the installation is completed, and the disassembly is reversed, so that the connection and disassembly of the oil-immersed transformer body and the fixed base can be facilitated, and the replacement and maintenance of the oil-immersed transformer body in the later stage can be facilitated.

[0016] 2. In the utility model, the rollers provided can facilitate the sliding in and out of the connecting bottom block and the mounting groove, thereby making the installation and disassembly of the oil-immersed transformer body and the fixed base faster and more convenient, and the ramp provided can facilitate the sliding of the connecting bottom block from below into the mounting groove, thereby increasing the convenience of the overall installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the bottom structure of the limit assembly of the utility model;

[0019] Figure 3 This is a schematic diagram of the fixed base structure of the utility model.

[0020] In the figure: 1. Oil-immersed transformer body; 2. Fixed base; 3. Limiting assembly; 4. Mounting groove; 301. Connecting bottom block; 302. Groove; 303. Spring; 304. Fixed block; 305. Winding rod; 306. Pull rope; 307. Turntable; 308. Roller; 5. Fixed groove; 6. Ramp. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0025] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0026] An oil-immersed transformer that is easy to install and disassemble comprises an oil-immersed transformer body 1 and a fixed base 2. A limit assembly 3 is arranged at the bottom of the oil-immersed transformer body 1, and a mounting groove 4 is arranged in the middle of the top surface of the fixed base 2. The oil-immersed transformer body 1 is connected to the fixed base 2 through the limit assembly 3 and the mounting groove 4.

[0027] The limiting assembly 3 includes a connecting bottom block 301 arranged at the bottom of the oil-immersed transformer body 1, grooves 302 are opened on the left and right sides of the connecting bottom block 301, springs 303 are evenly arranged inside the grooves 302, and the grooves 302 are slidably connected to the fixing blocks 304 through the springs 303. A winding rod 305 is rotatably connected to the middle of the inner part of the connecting bottom block 301, and pull ropes 306 are evenly arranged on the left and right sides of the winding rod 305. A turntable 307 is arranged at the end of the winding rod 305, and a roller 308 is rotatably connected to the bottom of the connecting bottom block 301.

[0028] In this example, see Figure 1-3 The inner wall of the mounting groove 4 is symmetrically provided with a fixing groove 5, and the connection mode of the fixing block 304 and the fixing groove 5 is a sliding connection. A rolling groove is provided at the bottom of the connecting bottom block 301 and corresponds to the roller 308. The roller 308 is rotatably connected inside the rolling groove. The pull rope 306 is fixed to the base 2, the spring 303 and the fixing block 304 are fixedly connected in sequence, and a ramp 6 is provided on the front of the fixing base 2 and located at the lower side of the mounting groove 4. The middle part of the inner part of the connecting bottom block 301 is a hollow structure design. The pull rope 306 can be rolled up by the winding rod 305, so that the fixing block 304 can be pulled to slide inside the groove 302. The spring 303 can slide the fixing block 304 out of the groove 302 after the pull rope 306 loses its pulling force on it. When installing, the rotating winding rod 305 is used to roll up the pull rope 306. The winding rod 305 reels in the pull rope 306, pulls the fixing block 304 back into the groove 302, then slides the connecting bottom block 301 into the installation groove 4 and then releases the winding rod 305, and then the spring 303 will push the fixing block 304 into the fixing groove 5, and the installation is completed at this time, and the disassembly is reversed, so that the connection and disassembly of the oil-immersed transformer body 1 and the fixing base 2 can be conveniently connected, and the replacement and maintenance of the oil-immersed transformer body 1 in the later stage can be conveniently performed, and the roller 308 provided can facilitate the sliding in and out of the connecting bottom block 301 and the installation groove 4, so that the installation and disassembly of the oil-immersed transformer body 1 and the fixing base 2 are faster and more convenient, and the provided ramp 6 can facilitate the sliding of the connecting bottom block 301 from the bottom into the installation groove 4, thereby increasing the convenience of the overall installation.

[0029] The working process of the utility model is as follows: when installing an oil-immersed transformer that is easy to install and disassemble, first push the oil-immersed transformer body 1, at this time the connecting bottom block 301 will move through the roller 308, and then the connecting bottom block 301 will be moved to the position of the installation groove 4 through the ramp 6, and then the winding rod 305 is rotated to wind up the pull rope 306, at this time the pull rope 306 will pull the fixed block 304 to move into the groove 302, at this time the spring 303 will be compressed by the fixed block 304, and then the connecting bottom block 301 is pushed into the installation groove 4, and then the winding rod 305 is released, at this time the spring 303 will push the fixed block 304 out of the groove 302 and slide into the fixed groove 5, at this time the installation of the oil-immersed transformer body 1 and the fixed base 2 is completed, and the disassembly operation can be reversed. The winding rod 305 is provided to wind up the pull rope 306, thereby pulling the fixed block 304 to slide into the inside of the groove 302. The spring 303 is provided to slide the fixed block 304 out of the groove 302 after the pull rope 306 loses its pulling force, thereby facilitating the connection and disassembly of the oil-immersed transformer body 1 and the fixed base 2, thereby facilitating the replacement and maintenance of the oil-immersed transformer body 1 in the later stage. The roller 308 is provided to facilitate the sliding in and out of the connecting bottom block 301 and the mounting groove 4, thereby making the installation and disassembly of the oil-immersed transformer body 1 and the fixed base 2 faster and more convenient. In addition, the ramp 6 is provided to facilitate the sliding of the connecting bottom block 301 from the bottom into the mounting groove 4, thereby increasing the convenience of the overall installation.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil-immersed transformer that is easy to install and disassemble, comprising an oil-immersed transformer body (1) and a fixed base (2), characterized in that: A limit assembly (3) is provided at the bottom of the oil-immersed transformer body (1), a mounting groove (4) is provided in the middle of the top surface of the fixed base (2), and the oil-immersed transformer body (1) is connected to the fixed base (2) via the limit assembly (3) and the mounting groove (4); The limit assembly (3) comprises a connecting bottom block (301) arranged at the bottom of the oil-immersed transformer body (1); grooves (302) are provided on the left and right sides of the connecting bottom block (301); springs (303) are evenly arranged inside the grooves (302); the grooves (302) are slidably connected to a fixing block (304) via the springs (303); a winding rod (305) is rotatably connected to the middle of the connecting bottom block (301); pull ropes (306) are evenly arranged on the left and right sides of the winding rod (305); a rotating disk (307) is arranged at the end of the winding rod (305); and a roller (308) is rotatably connected to the bottom of the connecting bottom block (301).

2. The oil-immersed transformer that is easy to install and disassemble according to claim 1 is characterized in that: The inner wall of the installation groove (4) is provided with a fixing groove (5) symmetrically on the left and right sides, and the fixing block (304) is connected to the fixing groove (5) in a sliding manner.

3. The oil-immersed transformer that is easy to install and disassemble according to claim 1 is characterized in that: A rolling groove is provided at the bottom of the connecting bottom block (301) and corresponds to the roller (308), and the roller (308) is rotatably connected inside the rolling groove.

4. The oil-immersed transformer that is easy to install and disassemble according to claim 1 is characterized in that: The pull rope (306) sequentially passes through the fixed base (2), the spring (303) and the fixed block (304) to be fixedly connected.

5. The oil-immersed transformer that is easy to install and disassemble according to claim 1, characterized in that: A ramp (6) is provided on the front side of the fixed base (2) and located at the lower side of the installation groove (4).

6. The oil-immersed transformer that is easy to install and disassemble according to claim 1, characterized in that: The middle of the connecting bottom block (301) is designed as a hollow structure.

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