A transformer mounting rack and a transformer

By employing a pressing and fixing structure between the extrusion ring and the sealing ring, along with a negative pressure adsorption system in the transformer, and combining this with automated diaphragm replacement, the problem of insufficient diaphragm airtightness has been solved, achieving improved sealing performance and convenient replacement, while reducing oil loss and maintenance difficulty.

CN122393104APending Publication Date: 2026-07-14ZHEJIANG ZHIDIAN FEIJIN ELECTRIC CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG ZHIDIAN FEIJIN ELECTRIC CO LTD
Filing Date
2026-03-30
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

The diaphragm in existing transformers has insufficient air tightness and is difficult to replace after damage, resulting in poor sealing and inconvenient maintenance.

Method used

The system employs a pressing and fixing structure between a compression ring and a sealing ring, combined with a negative pressure adsorption system consisting of a piston cylinder and an electric push rod. By adjusting the position of the air holes, the bent diaphragm is tightly adsorbed onto the surface of the sealing ring. With the help of an automated diaphragm replacement structure, convenient diaphragm replacement and improved sealing performance are achieved.

Benefits of technology

It effectively improves the airtightness of the connection, simplifies the diaphragm replacement process, reduces oil loss, and enables visual detection of leakage faults, thus reducing maintenance difficulty.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a transformer mounting rack and a transformer, and relates to the technical field of transformers, which comprises a transformer main body, a support assembly is arranged at one end of the top of the transformer main body, an oil pillow main body is arranged at the top end of the support assembly, the oil pillow main body comprises a lower oil tank arranged at the top of the transformer main body, a sealing assembly is arranged at the top of the lower oil tank, the sealing assembly comprises a horizontal plate fixedly arranged at the top of the lower oil tank, a protruding portion is arranged at the middle of the top of the horizontal plate, a negative pressure assembly is arranged at one side of the protruding portion, the negative pressure suction structure formed by the abutting fixing structure of the extrusion ring and the sealing ring, the piston cylinder and the first electric push rod provides suction power for the rectangular air holes at the top inclined surface of the sealing ring and the rectangular air holes at the outer sides of the two ends, the position of the air holes is adjusted, the bent diaphragm can still be attached to the surface of the rectangular air holes, the bent diaphragm is tightly adsorbed to the inclined surface and the top surface of the sealing ring, and the sealing air tightness of the connection is improved.
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Description

Technical Field

[0001] This invention relates to the field of transformer technology, specifically to a transformer mounting bracket and a transformer. Background Technology

[0002] A transformer is a core power device that realizes AC voltage conversion and energy transfer based on the principle of electromagnetic induction. Its theoretical basis originates from Faraday's law of electromagnetic induction. It is an indispensable key device in the power transmission and distribution link of the power system. It is widely used in power transmission, industrial production, and new energy grid connection. It undertakes voltage rise and fall and electrical isolation functions. It is the core bridge connecting power production and end consumption, supporting the construction of new power systems and efficient energy utilization. Transformers are divided into diaphragm type, air-filled type and metal corrugated type, among which air-filled type and metal corrugated type are more widely used in practice.

[0003] Diaphragm-type oil conservators separate oil from the atmosphere using a rubber diaphragm that floats with the oil surface. However, they have poor sealing performance and are not convenient to replace when damaged. But diaphragm-type oil conservators have their unique advantages. The sealing structure of diaphragm-type oil conservators does not require complicated bladder inflation and pressure regulation or welding and testing of metal corrugated bodies. Routine maintenance only requires checking the integrity of the diaphragm. When aging or damage occurs, the diaphragm can be replaced directly without disassembling the main body of the oil conservator. Furthermore, its oil tank can withstand a full vacuum environment, and vacuum oil filling of the transformer can still be achieved after installation, which can better protect the internal insulation performance of the transformer.

[0004] Therefore, it is necessary to invent a transformer mounting bracket and a transformer to solve the above problems. Summary of the Invention

[0005] Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a transformer mounting bracket and a transformer, solving the problems of insufficient airtightness of the diaphragm in the transformer and difficulty in replacing it after damage.

[0007] Technical solution

[0008] To achieve the above objectives, the present invention provides the following technical solution: a transformer mounting bracket and a transformer, comprising a transformer body, a support assembly at one top end of the transformer body, an oil conservator body at the top of the support assembly, the oil conservator body including a lower oil tank disposed at the top of the transformer body, a sealing assembly at the top of the lower oil tank, the sealing assembly including a horizontal plate fixed to the top of the lower oil tank, a protrusion at the middle of the top of the horizontal plate, a sealing ring at the top of the protrusion, a cavity inside the sealing ring, inclined surfaces on both sides of the sealing ring, and rectangular air holes in the middle of the inclined surfaces, rectangular air holes at the outer sides of the top two ends of the sealing ring, the rectangular air holes communicating with the cavity inside the sealing ring, and a sealing ring on one side of the protrusion. The device includes a negative pressure assembly comprising a piston cylinder disposed on one side of the protrusion, a connecting pipe at one end of the piston cylinder, and a winding assembly comprising symmetrically fixed inclined plates on one side of the protrusion, a winding rod disposed between the two inclined plates, and a diaphragm that fits against the top surface of the sealing ring wound around the outer circumferential surface of the winding rod. A compression ring is disposed vertically above the top of the sealing ring, and a rectangular air hole at the top of the sealing ring is connected to the piston cylinder of the negative pressure assembly to form a directional negative pressure adsorption force. When the diaphragm is bent by the compression ring, the negative pressure adsorption force can adsorb the bent diaphragm onto the inclined surface and top surface of the sealing ring, reducing the gap between the diaphragm and the sealing ring and improving the airtightness of the connection.

[0009] Furthermore, push plates are movably passed through the middle of both ends of the horizontal plate, and an inclined downward groove is opened in the middle of the top of the two push plates. The bottom of the top of the two push plates is arc-shaped, and a sealing plate is fixedly connected to the bottom of the two push plates. A trapezoidal hole communicating with the internal cavity of the lower oil tank is opened at the top of the protrusion, and the trapezoidal hole is inserted into the sealing plate.

[0010] Furthermore, a washer ring is provided at the top of the protrusion, and the top of the washer ring is fixedly connected to the bottom of the sealing ring. Rectangular grooves are symmetrically opened at both ends of the protrusion, and partitions are slidably connected inside the two rectangular grooves. Crossbars are symmetrically fixedly connected to one side of the two partitions, and the crossbars movably pass through the end of the protrusion. Compression springs are sleeved on the outer peripheral surfaces of the two crossbars, and the two ends of the two compression springs abut against the surfaces of the partitions and the protrusion, respectively. A limiting block is fixedly connected in the middle of one side of the two partitions, and the limiting block movably passes through the middle of the end of the protrusion. An inclined surface is opened below the other end of the two limiting blocks, and the two limiting blocks are slidably connected to the inclined groove.

[0011] Furthermore, the negative pressure assembly also includes a baffle plate disposed on one side of the protrusion. The baffle plate and the protrusion combine to form an arc-shaped groove for receiving the diaphragm. An arc-shaped groove for installing a piston cylinder is provided on one side of the baffle plate. A piston is disposed in the inner cavity of the piston cylinder. A connecting rod is fixedly connected to one end of the piston cylinder. One end of the connecting rod is connected to the piston. A fixing block is fixedly connected to the other end of the connecting rod. A first electric push rod is fixedly connected to one side of the fixing block. The mounting end of the first electric push rod is fixedly connected to the baffle plate.

[0012] Furthermore, the winding assembly also includes a drive motor fixedly installed at one end of the inclined plate, the output end of the drive motor being fixedly connected to the winding rod, and the other end of the winding rod being rotatably connected to the inclined plate.

[0013] Furthermore, the top two ends of the horizontal plate are symmetrically provided with horizontal grooves, and the top of the horizontal plate is provided with two second electric push rods symmetrically at both ends of the protrusion. The mounting ends of the two second electric push rods are fixedly connected to the horizontal plate, and the telescopic ends of the two second electric push rods are fixedly connected to the extrusion blocks that are slidably connected to the horizontal grooves. The top surface of the extrusion block is arc-shaped, and the top surface of the extrusion block is slidably connected to the bottom of the top of the push plate.

[0014] Furthermore, an upper oil tank is provided on the top of the lower oil tank, a top plate is fixedly installed above the inner circumferential surface of the upper oil tank, a third electric push rod is fixedly installed in the middle of the bottom of the top plate, a base plate is fixedly connected to the telescopic end of the third electric push rod, and the bottom of the base plate is fixedly connected to the top of the extrusion ring.

[0015] Furthermore, the support assembly includes a bracket fixedly connected to the transformer body, vertical plates fixedly connected to the lower sides of the bracket, a water tank fixedly installed at the bottom of the vertical plates, a support plate fixedly installed at the top of the bracket, the top of the support plate being connected to the outer peripheral side of the lower oil tank, a vertical pipe fixedly connected to the bottom of the support plate, and a heat-conducting cylinder fixedly installed inside the vertical pipe.

[0016] Furthermore, the bottom end of the heat-conducting cylinder is slidably connected to a heat-conducting plate that movably penetrates the vertical pipe. One end of the heat-conducting plate is rotatably connected to a threaded rod, and the other end of the threaded rod is threadedly connected to a right-angle plate. One end of the right-angle plate is fixedly connected to the vertical pipe.

[0017] Beneficial effects

[0018] The present invention has the following beneficial effects:

[0019] 1. Through the abutment and fixing structure of the extrusion ring and the sealing ring, combined with the negative pressure adsorption structure composed of the piston cylinder and the first electric push rod, adsorption power is provided for the rectangular air holes at the top slope of the sealing ring and the rectangular air holes on the outer sides at both ends. By adjusting the position of the air holes, the bent diaphragm can still adhere to the surface of the rectangular air holes, thereby tightly adsorbing the bent diaphragm onto the slope and top surface of the sealing ring, effectively reducing the gap between the diaphragm and the sealing ring, achieving the effect of improving the airtightness of the connection and solving the problem of poor sealing performance of traditional diaphragm oil pillows.

[0020] 2. The system features a linkage structure where the first electric push rod reverses to reset and release negative pressure, and the third electric push rod moves the compression ring upward to release the compression. This, combined with an automated conveying structure where a drive motor drives a winding rod to transport new diaphragms and recycle old diaphragms, allows for diaphragm replacement without disassembling the oil tank body. Simultaneously, a protective structure using a second electric push rod to drive a sealing plate ensures an initial seal on the oil tank, preventing oil from contacting the diaphragm during replacement. This simplifies the diaphragm replacement process, improves convenience, and reduces oil loss. Furthermore, the use of a transparent piston cylinder structure allows for direct and intuitive observation of the presence of oil inside, quickly determining if the diaphragm is leaking. This visualizes and facilitates leak detection, reducing the difficulty of subsequent maintenance.

[0021] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the support component and the main structure of the oil tank of the present invention;

[0024] Figure 3 This is a schematic diagram of the sealing assembly of the present invention;

[0025] Figure 4 This is a schematic diagram of the overall side view structure of the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of the horizontal plate and the protrusion of the present invention;

[0027] Figure 6 This is a schematic diagram of the sealing assembly, winding assembly, and negative pressure assembly of the present invention;

[0028] Figure 7 This is a schematic diagram of the sealing ring structure of the present invention;

[0029] Figure 8 This is a schematic diagram of the assembly structure of the sealing ring and diaphragm of the present invention;

[0030] Figure 9 This is a schematic diagram of the structure of the protrusion and the rectangular groove of the present invention;

[0031] Figure 10 This is a cross-sectional view of the support component of the present invention.

[0032] In the diagram: 1. Transformer body; 2. Support assembly; 201. Bracket; 202. Vertical plate; 203. Water tank; 204. Support plate; 205. Vertical pipe; 206. Heat-conducting cylinder; 207. Heat-conducting plate; 208. Right-angle plate; 209. Threaded rod;

[0033] 3. Oil conservator body; 301. Lower oil tank; 302. Horizontal plate; 3020. Horizontal groove; 303. Protrusion; 304. Trapezoidal hole; 305. Rectangular groove; 3050. Partition plate; 3051. Crossbar; 3052. Compression spring; 3053. Limiting block;

[0034] 306. Push plate; 3060. Inclined groove; 307. Sealing plate; 308. Inclined plate; 309. Drive motor; 310. Winding rod; 3101. Diaphragm; 311. Washer ring; 312. Sealing ring; 3120. Rectangular vent; 313. Connecting pipe; 314. Piston cylinder; 3140. Connecting rod; 3141. Fixing block; 315. First electric push rod; 316. Baffle; 317. Second electric push rod; 318. Extrusion block; 319. Top plate; 320. Third electric push rod; 321. Bottom plate; 322. Extrusion ring; 323. Upper oil tank;

[0035] 4. Breathing apparatus; 5. Control valve. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] In the description of this invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", etc., which indicate orientation or positional relationship, are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this invention.

[0038] Please see Figures 1-10This invention provides a technical solution: a transformer mounting frame and a transformer, including a transformer body 1. A support assembly 2 is provided at one top end of the transformer body 1, and an oil conservator body 3 is provided at the top of the support assembly 2. The oil conservator body 3 includes a lower oil tank 301 disposed at the top of the transformer body 1. Oil tank covers are installed at both ends of the lower oil tank 301, and a sealing assembly is provided at the top of the lower oil tank 301. The sealing assembly includes a horizontal plate 302 welded to the top of the lower oil tank 301, and a trapezoidal protrusion 303 is provided in the middle of the top of the horizontal plate 302. A rectangular sealing ring 312 is provided at the top of the 03. The sealing ring 312 has a cavity inside. Both sides of the sealing ring 312 have bevels, and rectangular air holes 3120 are provided in the middle of the bevels. Rectangular air holes 3120 are also provided at the outer ends of the top of the sealing ring 312. The rectangular air holes 3120 communicate with the cavity inside the sealing ring 312. The cavity of the sealing ring 312 and the rectangular air holes 3120 cooperate to provide a channel for negative pressure adsorption. A negative pressure assembly is provided on one side of the protrusion 303. The negative pressure assembly includes a piston cylinder 3 provided on one side of the protrusion 303. 14. A connecting pipe 313 is provided at one end of the piston cylinder 314. One end of the connecting pipe 313 is connected to one end of the sealing ring 312. A negative pressure is formed through the piston cylinder 314 and the connecting pipe 313 to enhance the fit between the diaphragm 3101 and the sealing ring 312. A winding assembly is provided on one side of the protrusion 303. The winding assembly includes inclined plates 308 symmetrically fixed on one side of the protrusion 303. A winding rod 310 is provided between the two inclined plates 308. The outer circumferential surface of the winding rod 310 is wound with the diaphragm 3101 that fits against the top surface of the sealing ring 312, thereby facilitating... For the storage and subsequent replacement of the diaphragm 3101, a compression ring 322 is provided vertically above the top of the sealing ring 312. The compression ring 322 compresses the diaphragm 3101, causing the connection of the diaphragm 3101 to bend. The rectangular air hole 3120 opened at the top of the sealing ring 312 is connected to the piston cylinder 314 of the negative pressure assembly, which can form a directional negative pressure adsorption force. The negative pressure adsorption force can adsorb the bent diaphragm 3101 onto the inclined surface and top surface of the sealing ring 312, reducing the gap between the diaphragm 3101 and the sealing ring 312, and improving the airtightness of the connection.

[0039] Push plates 306 are movably inserted through the middle of both ends of the horizontal plate 302. The push plates 306 can drive the sealing plate 307 to move up and down, realizing the opening and closing of the trapezoidal hole 304. An inclined downward groove 3060 is opened in the middle of the top of the two push plates 306. The groove 3060 provides guidance for the sliding of the subsequent limiting block 3053. The bottom of the top of the two push plates 306 is arc-shaped. The sealing plate 307 is fixedly connected to the two push plates 306 through the horizontal plate 302. A sealing ring is installed at the connection between the bottom of the horizontal plate 302 and the push plate 306, thereby strengthening the connection between the horizontal plate 302 and the push plate 306. For the sealing of the connection, the top of the protrusion 303 is provided with a trapezoidal hole 304 that communicates with the internal cavity of the lower oil tank 301. The trapezoidal hole 304 is inserted into the sealing plate 307, thereby forming two liquid storage cavities, one above the other. At the same time, it achieves the sealing of the internal cavity of the lower oil tank 301, preventing transformer oil leakage or the entry of external impurities when the diaphragm 3101 is replaced in the future.

[0040] A washer 311 is provided on the top of the protrusion 303. The top of the washer 311 is fixedly connected to the bottom of the sealing ring 312. The washer 311 is made of rubber and is used to improve the airtightness of the connection between the sealing ring 312 and the top of the protrusion 303. Rectangular grooves 305 are symmetrically opened at both ends of the protrusion 303. Partition plates 3050 are slidably connected inside the two rectangular grooves 305. The two ends and the bottom surface of the partition plates 3050 are slidably connected to the inner wall of the protrusion 303. Crossbars 3051 are symmetrically fixedly connected to one side of the two partition plates 3050. The crossbars 3051 guide the sliding of the partition plates 3050 and prevent displacement. The crossbars 3051 pass through the end of the protrusion 303. Compression springs 3052 are sleeved on the outer circumferential surface of the two crossbars 3051. The two ends of the two compression springs 3052 abut against the surfaces of the partition plates 3050 and the protrusion 303, respectively. The middle of one side of the two partition plates 3050 is fixedly connected to the crossbars 3051. A limiting block 3053 is connected to the protrusion 303, which is movable through the middle of the end of the protrusion 303. A sealing ring is installed at the connection between the protrusion 303 and the limiting block 3053 to ensure the sealing of the connection. The other end of the two limiting blocks 3053 is provided with a downward inclined surface. The two limiting blocks 3053 are slidably connected to the inclined groove 3060. The compression spring 3052 causes the partition 3050 to drive the limiting block 3053 to reset through elastic force, ensuring the stable cooperation between the limiting block 3053 and the inclined groove 3060. The inclined surface of the limiting block 3053 and the inclined groove 3060 are slidably engaged, which converts the vertical movement of the push plate 306 into the horizontal movement of the limiting block 3053, realizing the displacement control of the limiting block 3053. This changes the storage size of the upper part of the solution cavity, thereby reducing the oil height and preventing the oil from contacting the surface of the diaphragm 3101 when the diaphragm 3101 is replaced, thus reducing the loss of oil.

[0041] The negative pressure assembly also includes a baffle 316 disposed on one side of the protrusion 303. The baffle 316 and the protrusion 303 combine to form an arc-shaped groove for receiving the diaphragm 3101. The arc-shaped groove formed by the baffle 316 and the protrusion 303 provides storage space for the diaphragm 3101. An arc-shaped groove for installing the piston cylinder 314 is provided on one side of the baffle 316. The arc-shaped groove provides a stable installation position for the piston cylinder 314. The piston cylinder 314 is made of transparent material, and a piston is disposed in the inner cavity of the piston cylinder 314. A connecting rod 3140 is fixedly connected to one end of the piston cylinder 314. One end of the connecting rod 3140 is connected to the piston, and the other end of the connecting rod 3140 is fixedly connected to the fixing block 3141. One side of the fixing block 3141 is fixedly connected to the first electric push rod 315. The mounting end of the first electric push rod 315 is fixedly connected to the baffle 316. The first electric push rod 315 drives the fixing block 3141 and the connecting rod 3140 to drive the piston to move inside the piston cylinder 314, thereby generating negative pressure and providing power for the adsorption function of the sealing ring 312. The movement of the piston inside the piston cylinder 314 realizes the extraction or discharge of gas, and controls the air pressure in the cavity of the sealing ring 312 in conjunction with the connecting pipe 313.

[0042] The winding assembly also includes a drive motor 309 fixedly installed at one end of the inclined plate 308. The output end of the drive motor 309 is fixedly connected to the winding rod 310, and the other end of the winding rod 310 is rotatably connected to the inclined plate 308. The winding rod 310 fixes the diaphragm 3101 by applying glue to its outer surface. After fixing, winding is completed by rotation. The drive motor 309 provides power for the rotation of the winding rod 310, realizing the automatic winding and unwinding of the diaphragm 3101. The top two ends of the horizontal plate 302 are symmetrically provided with horizontal grooves 3020. The top of 302 is symmetrically provided with two electric push rods 317 at both ends of the protrusion 303. The mounting ends of the two electric push rods 317 are fixedly connected to the horizontal plate 302. The telescopic ends of the two electric push rods 317 are fixedly connected to the extrusion block 318 which is slidably connected to the horizontal groove 3020. The top surface of the extrusion block 318 is arc-shaped. The top surface of the extrusion block 318 is slidably connected to the lower part of the top of the push plate 306. The horizontal groove 3020 provides guidance and limit for the sliding of the extrusion block 318, ensuring that the extrusion block 318 moves in an accurate direction. The second electric push rods 317 drive the extrusion block 318 to slide in the horizontal groove 3020. The arc surface of the extrusion block 318 slides and engages with the lower part of the top of the push plate 306. By extruding the push plate 306, the sealing plate 307 moves up and down, realizing the opening and closing control of the trapezoidal hole 304, while ensuring the smoothness of the extrusion process.

[0043] An upper oil tank 323 is installed on top of the lower oil tank 301. A top plate 319 is fixedly installed above the inner circumferential surface of the upper oil tank 323. A third electric push rod 320 is fixedly installed in the middle of the bottom of the top plate 319. A base plate 321 is fixedly connected to the telescopic end of the third electric push rod 320. Limiting posts are provided at both ends of the base plate 321. The bottom of the base plate 321 is fixedly connected to the top of the extrusion ring 322. The third electric push rod 320 drives the extrusion ring 322 to move up and down by driving the base plate 321, thereby realizing the extrusion operation on the diaphragm 3101. The base plate 321 increases the contact area between the third electric push rod 320 and the extrusion ring 322, so that the extrusion force is evenly transmitted, avoiding damage to the diaphragm 3101 due to uneven force on the extrusion ring 322. Support assembly 2 packages. The system includes a bracket 201 fixedly connected to the transformer body 1. The bracket 201 serves as a core support component, ensuring a fixed connection between the support assembly 2 and the transformer body 1, and also providing support for the support plate 204. Vertical plates 202 are fixedly connected to the lower sides of the bracket 201. A water tank 203 is fixedly installed at the bottom of the vertical plates 202, providing stable support for the water tank 203. The water tank 203 stores heat-conducting liquid, providing a foundation for the subsequent utilization of transformer heat. A support plate 204 is fixedly installed on the top of the bracket 201. The top of the support plate 204 is connected to the outer periphery of the lower oil tank 301. A vertical pipe 205 is fixedly connected to the bottom of the support plate 204, and a heat-conducting cylinder 206 is fixedly installed inside the vertical pipe 205. The support plate 204 connects the lower oil tank 301 to the bracket 201, ensuring the installation stability of the oil conservator body 3. The vertical pipe 205 provides installation space for the heat-conducting cylinder 206, which is used to conduct heat generated during transformer operation. The bottom end of the heat-conducting cylinder 206 is slidably connected to a heat-conducting plate 207 that moves through the vertical pipe 205. The heat-conducting plate 207 and the heat-conducting cylinder 206 are slidably connected, which can adjust the heat transfer and ensure the effectiveness of heat conduction. One end of the heat-conducting plate 207 is rotatably connected to a threaded rod 209, and the other end of the threaded rod 209 is threadedly connected to a right-angle plate 208. One end of the right-angle plate 208 is fixedly connected to the vertical pipe 205. The threaded connection between the threaded rod 209 and the right-angle plate 208 is engaged. By rotating the threaded rod 209, the heat-conducting plate 207 can be driven to slide, realizing the precise adjustment of the position of the heat-conducting plate 207, thereby controlling the interruption of heat transfer.

[0044] A breather 4 is fixedly installed at one end of the top of the upper oil tank 323. The breather 4 is used to balance the air pressure in the oil conservator and prevent the oil conservator from generating negative or positive pressure due to oil temperature changes, thus ensuring the stability of the sealing system and ensuring the insulation and heat dissipation performance of the transformer. A controller is installed inside the upper oil tank 323. The controller is connected to the first electric push rod 315, the second electric push rod 317, the third electric push rod 320 and the drive motor 309 by wire. A control valve 5 is installed in the middle of the bottom of the lower oil tank 301. The control valve 5 is used to control the delivery of oil.

[0045] It should be noted that the first electric actuator 315, the second electric actuator 317, the third electric actuator 320, the drive motor 309, and the control equipment connected thereto are all existing devices, and will not be described in detail here.

[0046] Working principle of the invention:

[0047] Step 1: First, wind the diaphragm 3101 onto the take-up rod 310, then start the drive motor 309 to rotate the take-up rod 310, thereby laying the wound diaphragm 3101 flat on top of the sealing ring 312. (During this process, the position of the diaphragm 3101 needs to be manually adjusted, and it should be observed whether wrinkles are formed during the laying process.) After the diaphragm 3101 is laid flat, unfold the third electric push rod 320 to drive the base plate 321 and the compression ring 322 to move downward. The limiting posts at both ends of the base plate 321 can restrict its movement, ensuring that the compression ring 322 can move vertically and preventing the compression ring 322 from lifting when it comes into contact with the diaphragm 3101, which would cause gaps.

[0048] Step 2: After the diaphragm 3101 comes into contact with the compression ring 322, the diaphragm 3101 is fixed on the top of the sealing ring 312. Since the diaphragm 3101 will slightly curl up after being squeezed, at this time, by activating the first electric push rod 315, the first electric push rod 315 drives the fixed block 3141 and the connecting rod 3140 to drive the piston to move in the piston cylinder 314, thereby generating negative pressure, providing adsorption power for the rectangular air hole 3120 on the top of the sealing ring 312. At the same time, due to the special position of the rectangular air hole 3120, the curled diaphragm 3101 can still adhere to the surface of the rectangular air hole 3120, thereby adsorbing the bent diaphragm 3101 onto the inclined surface and top surface of the sealing ring 312, reducing the gap between the diaphragm 3101 and the sealing ring 312, and improving the airtightness of the connection.

[0049] When the oil conservator needs to be inspected, it is only necessary to check whether there is oil in the transparent piston cylinder 314 to determine whether the diaphragm 3101 is leaking.

[0050] When the diaphragm 3101 needs to be replaced, the first electric push rod 315 is activated to reverse the piston and reset it, releasing the negative pressure inside the sealing ring 312. The third electric push rod 320 is then activated to move the compression ring 322 upwards, releasing the compression on the diaphragm 3101. Simultaneously, the second electric push rod 317 is activated to drive the compression block 318 to slide along the transverse groove 3020 at the top of the transverse plate 302. The arc surface of the compression block 318 slides against the lower part of the top of the push plate 306, causing the push plate 306 to move vertically upwards. This allows the sealing plate 307 at the bottom of the push plate 306 to insert into the trapezoidal hole 304 inside the protrusion 303. The initial sealing of the internal cavity of the oil tank blocks the communication channel between the oil tank and the outside. During this process, as the push plate 306 moves upward, the inclined groove 3060 at the top slides and one end of the limiting block 3053, converting the vertical movement of the push plate 306 into the horizontal movement of the limiting block 3053. Under the action of the crossbar 3051, the movement is kept stable, which will squeeze and compress the spring 3052, thereby changing the size of the internal cavity and reducing the oil level. This prevents the oil from contacting the surface of the diaphragm 3101 when the diaphragm 3101 is replaced, thus reducing oil loss.

[0051] Finally, the drive motor 309 is started to rotate, and the new unused portion of the diaphragm 3101 is transported to the top of the sealing ring 312. Then, the first and second steps are repeated to complete the replacement of the new diaphragm 3101. The replaced diaphragm 3101 is wound around one side of the baffle 316 under the action of the baffle 316.

[0052] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0053] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A transformer mounting frame and a transformer, comprising a transformer body (1), characterized in that: A support assembly (2) is provided at one end of the top of the transformer body (1), and an oil tank body (3) is provided at the top of the support assembly (2). The oil conservator body (3) includes a lower oil tank (301) disposed on the top of the transformer body (1). A sealing assembly is disposed on the top of the lower oil tank (301). The sealing assembly includes a horizontal plate (302) fixed on the top of the lower oil tank (301). A protrusion (303) is disposed in the middle of the top of the horizontal plate (302). A sealing ring (312) is disposed on the top of the protrusion (303). A cavity is opened inside the sealing ring (312). Inclined surfaces are opened on both sides of the sealing ring (312), and rectangular air holes (3120) are opened in the middle of the inclined surfaces. Rectangular air holes (3120) are opened on the outer sides of the top two ends of the sealing ring (312). The rectangular air holes (3120) are connected to the cavity inside the sealing ring (312). A negative pressure assembly is provided on one side of the protrusion (303). The negative pressure assembly includes a piston cylinder (314) provided on one side of the protrusion (303). A connecting pipe (313) is provided at one end of the piston cylinder (314). One end of the connecting pipe (313) is connected to the end of the sealing ring (312). A winding assembly is provided on one side of the protrusion (303). The winding assembly includes inclined plates (308) symmetrically fixed on one side of the protrusion (303). A winding rod (310) is provided between the two inclined plates (308). A diaphragm (3101) that is in contact with the top surface of the sealing ring (312) is wound around the outer peripheral surface of the winding rod (310). A compression ring (322) is provided vertically above the top of the sealing ring (312). The rectangular air hole (3120) at the top of the sealing ring (312) is connected to the piston cylinder (314) of the negative pressure assembly, which can form a directional negative pressure adsorption force. When the diaphragm (3101) is bent by the compression ring (322), the negative pressure adsorption force can adsorb the bent diaphragm (3101) onto the inclined surface and top surface of the sealing ring (312), reduce the gap between the diaphragm (3101) and the sealing ring (312), and improve the airtightness of the connection.

2. The transformer mounting bracket and transformer according to claim 1, characterized in that: Push plates (306) are movably passed through the middle of both ends of the horizontal plate (302). An inclined downward groove (3060) is opened in the middle of the top of the two push plates (306). The bottom of the top of the two push plates (306) is arc-shaped. A sealing plate (307) is fixedly connected to the bottom of the two push plates (306). A trapezoidal hole (304) communicating with the internal cavity of the lower oil tank (301) is opened on the top of the protrusion (303). The trapezoidal hole (304) is inserted into the sealing plate (307).

3. The transformer mounting bracket and transformer according to claim 2, characterized in that: A washer ring (311) is provided at the top of the protrusion (303). The top of the washer ring (311) is fixedly connected to the bottom of the sealing ring (312). Rectangular grooves (305) are symmetrically opened at both ends of the protrusion (303). A partition plate (3050) is slidably connected inside the two rectangular grooves (305). A crossbar (3051) is symmetrically fixedly connected to one side of the two partition plates (3050). The crossbar (3051) movably passes through the end of the protrusion (303). The outer sides of the two crossbars (3051) are... Compression springs (3052) are fitted on the circumferential surface. The two ends of the two compression springs (3052) abut against the surfaces of the partition (3050) and the protrusion (303), respectively. A limiting block (3053) is fixedly connected to the middle of one side of the two partitions (3050). The limiting block (3053) and the end of the protrusion (303) pass through each other. An inclined surface is provided below the other end of the two limiting blocks (3053). The two limiting blocks (3053) are slidably connected to the inclined groove (3060).

4. A transformer mounting bracket and transformer according to claim 3, characterized in that: The negative pressure assembly also includes a baffle (316) disposed on one side of the protrusion (303). The baffle (316) and the protrusion (303) are combined to form an arc-shaped groove for receiving the diaphragm (3101). An arc-shaped groove for installing a piston cylinder (314) is provided on one side of the baffle (316). A piston is provided in the inner cavity of the piston cylinder (314). A connecting rod (3140) is fixedly connected to one end of the piston cylinder (314). One end of the connecting rod (3140) is connected to the piston. A fixing block (3141) is fixedly connected to the other end of the connecting rod (3140). A first electric push rod (315) is fixedly connected to one side of the fixing block (3141). The mounting end of the first electric push rod (315) is fixedly connected to the baffle (316).

5. A transformer mounting bracket and transformer according to claim 1, characterized in that: The winding assembly also includes a drive motor (309) fixedly installed at one end of the inclined plate (308), the output end of the drive motor (309) being fixedly connected to the winding rod (310), and the other end of the winding rod (310) being rotatably connected to the inclined plate (308).

6. A transformer mounting bracket and transformer according to claim 2, characterized in that: The top of the horizontal plate (302) is symmetrically provided with horizontal grooves (3020) at both ends. The top of the horizontal plate (302) is symmetrically provided with second electric push rods (317) at both ends of the protrusion (303). The mounting ends of the two second electric push rods (317) are fixedly connected to the horizontal plate (302). The telescopic ends of the two second electric push rods (317) are fixedly connected with extrusion blocks (318) that are slidably connected to the horizontal grooves (3020). The top surface of the extrusion block (318) is arc-shaped. The top surface of the extrusion block (318) is slidably connected to the bottom of the top of the push plate (306).

7. A transformer mounting bracket and transformer according to claim 1, characterized in that: The lower oil tank (301) is provided with an upper oil tank (323) at the top. A top plate (319) is fixedly installed above the inner circumferential surface of the upper oil tank (323). A third electric push rod (320) is fixedly installed in the middle of the bottom of the top plate (319). The telescopic end of the third electric push rod (320) is fixedly connected to a bottom plate (321). The bottom of the bottom plate (321) is fixedly connected to the top of the extrusion ring (322).

8. A transformer mounting bracket and transformer according to claim 2, characterized in that: The support assembly (2) includes a bracket (201) fixedly connected to the transformer body (1). Vertical plates (202) are fixedly connected to the lower sides of the bracket (201). A water tank (203) is fixedly installed at the bottom of the vertical plate (202). A support plate (204) is fixedly installed at the top of the bracket (201). The top of the support plate (204) is connected to the outer periphery of the lower oil tank (301). A vertical pipe (205) is fixedly connected to the bottom of the support plate (204). A heat-conducting cylinder (206) is fixedly installed inside the vertical pipe (205).

9. A transformer mounting bracket and transformer according to claim 1, characterized in that: The bottom end of the heat-conducting cylinder (206) is slidably connected to a heat-conducting plate (207) that movably penetrates the vertical tube (205). One end of the heat-conducting plate (207) is rotatably connected to a threaded rod (209), and the other end of the threaded rod (209) is threadedly connected to a right-angle plate (208). One end of the right-angle plate (208) is fixedly connected to the vertical tube (205).