A flexible, intelligent, and green transformer recycling production line

Abstract

This invention belongs to the field of transformer dismantling and recycling, and discloses a flexible, intelligent, and green transformer recycling production line. It includes an oil draining chain conveyor line, a turning machine, and a digital panel. A production preparation area is located on one side of the oil draining chain conveyor line, and a first crane is installed between the production preparation area and the oil draining chain conveyor line. The oil draining chain conveyor line includes a manual hole-opening work area, a cover-opening station, and a copper core unloading work area. A transformer casing conveyor line is located on one side of the manual hole-opening work area, and the turning machine is installed on the transformer casing conveyor line. A second crane is located between the cover-opening station and the manual hole-opening work area. A cotton baler is installed at the discharge end of the oil draining chain conveyor line. This flexible, intelligent, and green transformer recycling production line of the present invention dismantles and recycles transformers into a production line, ensuring thorough oil leakage, high degree of intelligent automation, fast dismantling and recycling rate, and strong process coordination capabilities, making it suitable for widespread use.

Description

Technical Field

[0001] This invention belongs to the field of transformer dismantling and recycling, specifically involving a flexible, intelligent, and green transformer recycling production line. Background Technology

[0002] A transformer is a device that uses the principle of electromagnetic induction to change alternating current voltage. Its main components are a primary coil, a secondary coil, and an iron core (magnetic core). Its main functions include voltage transformation, current transformation, impedance transformation, isolation, and voltage stabilization (magnetic saturation transformer).

[0003] Transformers are fundamental equipment for power transmission and distribution, widely used in industry, agriculture, transportation, and urban communities. There are approximately 17 million transformers in operation in my country, with a total capacity of about 11 billion kilovolt-amperes. Transformer losses account for about 40% of power transmission and distribution losses, indicating significant potential for energy conservation. To accelerate the promotion and application of high-efficiency energy-saving transformers, improve energy resource utilization efficiency, and promote green, low-carbon, and high-quality development, in January 2021, the Ministry of Industry and Information Technology, the State Administration for Market Regulation, and the National Energy Administration jointly formulated the "Transformer Energy Efficiency Improvement Plan (2021-2023)".

[0004] Because transformers operate under high temperature and high pressure, they have a limited lifespan, which decreases with increasing complexity and frequency of use. According to power industry regulations, transformers must be dismantled and disposed of upon reaching the end of their lifespan. The waste materials are then categorized and sold for profit. This prevents unscrupulous vendors from recycling and repackaging them, thus avoiding the electrical safety hazards associated with reusing scrapped transformers.

[0005] Transformer dismantling and recycling is a typical multi-variety, small-batch operation mode. The main problems in production are as follows: 1. There is a lot of manual work in product manufacturing, resulting in low production efficiency and automation; 2. Dismantling operations are mainly based on single-product, independent production operations, with insufficient process coordination capabilities; 3. There is a lack of online statistical methods, making it difficult to track key indicators such as oil filtration time in real time, resulting in low production process control capabilities. Summary of the Invention

[0006] In view of this, the purpose of this invention is to provide a flexible, intelligent, and green transformer recycling production line. This invention aims to solve the problems of low levels of intelligent automation, low production efficiency, and poor process coordination in transformer dismantling and recycling.

[0007] To achieve the above objectives, the present invention provides a flexible, intelligent, and green transformer recycling production line, including an oil drain chain conveyor, a flipping machine, and a digital panel;

[0008] A production preparation area is provided on one side of the oil drain chain conveyor line. The production preparation area is used to place the transformer to be disassembled. A first crane is provided between the production preparation area and the oil drain chain conveyor line. The lifting device of the first crane is equipped with a weight sensor.

[0009] The oil drain chain conveyor line has a manual drilling work area at one end near the first crane, which is used to cut oil leak holes.

[0010] The manual drilling work area is provided with a cover opening station at the end away from the first crane. The cover opening station is used for manual opening of the cover after the transformer leaks oil.

[0011] A transformer casing conveyor line is provided on one side of the manual opening work area. The turning machine is set on the transformer casing conveyor line. The turning machine is used to turn the transformer. The transformer casing conveyor line can transport the turned transformer to the oil drain chain plate conveyor line.

[0012] A second crane is located at the end of the transformer opening station furthest from the manual drilling area. This second crane is also equipped with a weight sensor. It is used to lift the copper core from the opened transformer and place it on the oil drain conveyor line. The transformer casing, now without the copper core, is then placed on the transformer casing conveyor line.

[0013] The oil drain chain conveyor line has a copper core unloading work area in the middle. The manual hole opening work area, the cover opening station, and the copper core unloading work area are all set on the oil drain chain conveyor line. The manual hole opening work area is the feed end of the oil drain chain conveyor line. The oil drain chain conveyor line conveys the transformer in a clockwise direction.

[0014] The discharge end of the oil drain chain conveyor is equipped with a cotton baler, and the digital panel is electrically connected to the oil drain chain conveyor, the turning machine, the weight sensor, and the transformer housing conveyor.

[0015] Furthermore, the oil drain chain conveyor line is a loop line with a gap, and the production preparation area is located at the gap of the oil drain chain conveyor line.

[0016] This structural design takes up less space, is more scientifically designed, and frees up more space.

[0017] Furthermore, the flipping machine includes a base, two support rings, and a drive ring disposed between the two support rings. The two support rings and the drive ring are parallel to each other. The two support rings are fixedly connected to the drive ring via support rods. Each support ring has a transverse limiting wheel that slides relative to the outer side of the support ring on both its left and right sides. Each support ring has a longitudinal limiting wheel that slides relative to the inner side of the support ring on both its front and rear sides. Both the transverse and longitudinal limiting wheels are disposed on the base. The base is also provided with a drive motor. The output end of the drive motor is fixedly connected to a drive wheel. A belt that is connected to the drive wheel is disposed on the outer side of the drive ring. Both the upper and lower support rods of the flipping machine are provided with servo lifting systems. The servo lifting systems of the upper and lower parts of the flipping machine are arranged opposite to each other. The telescopic ends of the servo lifting systems are fixedly connected to clamping plate chains.

[0018] This structural design allows the transformer casing to be flipped after opening using a flipping machine, enabling rapid and thorough oil leakage.

[0019] Furthermore, the discharge end of the transformer housing conveyor line is provided with a slide rail that extends into the oil drain chain conveyor line. The slide rail is perpendicular to the oil drain chain conveyor line. A movable plate chain is provided on the slide rail. A cylinder is provided at the end of the slide rail away from the oil drain chain conveyor line. The output end of the cylinder is fixedly connected to the movable plate chain.

[0020] This structural design allows the overturned transformer casing to be transported back to the oil drain chain conveyor line via the transformer casing conveyor line.

[0021] Furthermore, oil collection troughs are provided below both the oil drain chain conveyor line and the transformer housing conveyor line.

[0022] This structural design allows for the collection of transformer oil leaking during the transmission process via an oil collection tank.

[0023] Furthermore, the transformer flexible intelligent green recycling production line pulses one transformer position at a fixed cycle.

[0024] This structural design ensures stable operation of the production line.

[0025] Furthermore, a third crane is installed above the copper core unloading work area.

[0026] Beneficial effects:

[0027] This invention provides a flexible, intelligent, and green transformer recycling production line, which includes an oil drain chain conveyor, a turning machine, a first crane, a transformer shell conveyor, a second crane, a copper core unloading work area, a cotton baler, and a third crane. The production line disassembles and recycles transformers, ensuring thorough oil leakage, high degree of intelligent automation, fast disassembly and recycling rate, and strong process coordination capabilities. It is suitable for widespread use.

[0028] Other advantages, objectives, and features of the invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination, or may be learned from practice of the invention. The objectives and other advantages of the invention can be realized and obtained through the following description. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of a flexible, intelligent, and green recycling production line for transformers according to the present invention;

[0030] Figure 2 This is a schematic diagram of the structure of the transformer casing conveyor line;

[0031] Figure 3 This is a schematic diagram of the tilting machine.

[0032] The attached diagram is labeled as follows: 1. Oil drain chain conveyor; 2. Tilting machine; 3. First crane; 4. Transformer casing conveyor; 5. Second crane; 6. Copper core unloading work area; 7. Cotton baling machine; 8. Third crane; 9. Support ring; 10. Drive ring; 11. Support rod; 12. Lateral limit wheel; 13. Longitudinal limit wheel; 14. Drive motor; 15. Drive wheel; 16. Belt; 17. Servo lifting system; 18. Clamping plate chain; 19. Slide rail; 20. Movable plate chain. Detailed Implementation

[0033] To make the technical solutions, advantages, and objectives of the present invention clearer, 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, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention without creative effort are within the protection scope of this application.

[0034] like Figures 1-3 As shown, the present invention provides a flexible, intelligent, and green recycling production line for transformers, including an oil drain chain conveyor 1, a flipping machine 2, and a digital panel;

[0035] In this embodiment, the oil drain chain conveyor line 1 is a loop line with a gap. A production preparation area is set at the gap of the oil drain chain conveyor line 1. The production preparation area is used to place the transformer to be disassembled. A first crane 3 is set between the production preparation area and the oil drain chain conveyor line 1. A weight sensor is installed on the lifting device of the first crane 3.

[0036] The end of the oil drain chain conveyor 1 closest to the first crane 3 is the manual hole-opening work area, which is used to cut oil leakage holes. The manual hole-opening work area is the feed end of the oil drain chain conveyor 1. The oil drain chain conveyor 1 conveys the transformer in a clockwise direction.

[0037] The left side of the manual drilling work area is the cover opening station, which is used for manual opening of the cover after the transformer has initially leaked oil.

[0038] A transformer casing conveyor line 4 is set inside the manual drilling work area. A flipping machine 2 is set on the transformer casing conveyor line 4. The flipping machine 2 is used to flip the transformer. The transformer casing conveyor line 4 can transport the flipped transformer to the oil drain chain plate conveyor line 1.

[0039] A second crane 5 is installed on the side of the cover-opening station away from the manual drilling work area. The second crane 5 is also equipped with a weight sensor. The second crane 5 is used to lift the copper core from the transformer after the cover is opened and place the copper core on the oil drain chain conveyor line 1. It is then used to place the transformer shell with the copper core removed on the transformer shell conveyor line 4.

[0040] The bend in the middle of the oil drain chain conveyor 1 is the copper core unloading work area 6. A third crane 8 is installed above the copper core unloading work area 6. The manual hole opening work area, the cover opening station, and the copper core unloading work area 6 are all located on the oil drain chain conveyor 1.

[0041] The discharge end of the oil drain chain conveyor line 1 is equipped with a cotton baler 7. The digital panel is electrically connected to the oil drain chain conveyor line 1, the flipping machine 2, the weight sensor, and the transformer housing conveyor line 4.

[0042] In a preferred embodiment, the flipping machine 2 includes a base, two support rings 9, and a drive ring 10 disposed between the two support rings 9. The two support rings 9 and the drive ring 10 are parallel to each other. The two support rings 9 are fixedly connected to the drive ring 10 via support rods 11. Each support ring 9 has a transverse limiting wheel 12 on its left and right sides that slides relative to the outer side of the support ring 9, and a longitudinal limiting wheel 13 on its front and rear sides that slides relative to the inner side of the support ring 9. Both the transverse limiting wheel 12 and the longitudinal limiting wheel 13 are disposed on the base. A drive motor 14 is also disposed on the base. The output end of the drive motor 14 is fixedly connected to a drive wheel 15. A belt 16 is disposed on the outer side of the drive ring 10 and is connected to the drive wheel 15 for transmission. Servo lifting systems 17 are installed on the upper and lower support rods 11 of the flipping machine 2. The upper servo lifting system 17 and the lower servo lifting system 17 of the flipping machine 2 are arranged opposite to each other. The telescopic ends of the servo lifting systems 17 are fixedly connected to clamping plate chains 18.

[0043] As a preferred embodiment, the discharge end of the transformer housing conveyor line 4 is provided with a slide rail 19 that extends into the oil drain chain conveyor line 1. The slide rail 19 is perpendicular to the oil drain chain conveyor line 1. A movable plate chain 20 is provided on the slide rail 19. A cylinder is provided at one end of the slide rail 19 away from the oil drain chain conveyor line 1. The output end of the cylinder is fixedly connected to the movable plate chain 20.

[0044] As a preferred embodiment, oil collection tanks are provided below both the oil drain chain conveyor line 1 and the transformer housing conveyor line 4.

[0045] As a preferred embodiment, the transformer flexible intelligent green recycling production line pulses one transformer body position at a fixed cycle.

[0046] The operation process of the transformer flexible intelligent green recycling production line of this invention is as follows:

[0047] First, the transformers to be dismantled are delivered to the production site via flatbed trucks, and then manually unloaded into the production preparation area using forklifts. Next, the flexible, intelligent, and green recycling production line of this invention is started. The first crane 3 moves the transformer from the production preparation area to the oil draining chain conveyor line 1. During the lifting process, the system automatically records the overall weight of the transformer. The transformer moves forward with the oil draining chain conveyor line 1. When it reaches the manual drilling work area, workers use a plasma cutter to drill holes in the transformer. After drilling, the line automatically moves forward one station, waiting for the next station to be connected. Oil is drained from the transformer through the holes, and the drained oil collects in the oil collection tank through the through-holes on the oil draining chain conveyor line 1. After draining for a period of time, the transformer moves to the cover-opening station, where the cover is manually opened. Then, the second crane 5 lifts the copper core from the opened transformer and places it on the oil draining chain conveyor line 1. Finally, the second crane 5 places the transformer casing, with the copper core removed, onto the transformer casing conveyor line 4. The flipper 2 on the transformer casing conveyor line 4 flips the transformer to allow for more complete oil leakage, and then the flipped transformer is sent back to the oil draining chain conveyor line 1.

[0048] The process of flipping the transformer casing using the flipping machine 2 is as follows: Based on the dimensions of the transformer casing, the relative positions of the upper and lower clamping plate chains 18 are adjusted using servo lifting motors at the top and bottom, and the transformer casing is clamped and fixed for subsequent flipping. After the clamping plate chains 18 fix the transformer casing, the drive motor 14 is started. The drive motor 14 drives the support ring 9 and drive ring 10 to rotate 180° via the drive wheel 15 and belt 16, and then controls the upper clamping plate chains 18 to move upward, releasing the fixation on the transformer casing. Under the transmission action of the clamping plate chains 18, the flipped transformer casing enters the movable chain chain 20. The movable chain chain 20, under the action of a cylinder, rejoins the oil drain chain conveyor line 1, thus continuing to transport the flipped transformer casing along the oil drain chain conveyor line 1.

[0049] When the copper core on the oil drain chain conveyor 1 moves to the copper core unloading work area 6, it is unloaded by the third crane 8. When the overturned transformer shell on the oil drain chain conveyor 1 moves to the discharge end, the overturned transformer shell is lifted into the cotton baler 7 by the first crane 3. After baling, the cotton bales are forked out by a forklift.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the present invention, and all such modifications or substitutions should be covered within the protection scope of the present invention.

Claims

1. A flexible, intelligent, and green transformer recycling production line, characterized in that: Includes an oil drain chain conveyor (1), a turning machine (2), and a digital panel; A production preparation area is provided on one side of the oil drain chain conveyor (1). The production preparation area is used to place the transformer to be disassembled. A first crane (3) is provided between the production preparation area and the oil drain chain conveyor (1). A weight sensor is provided on the lifting device of the first crane (3). The oil drain chain conveyor (1) has a manual hole opening work area at one end near the first crane (3), which is used to cut oil leak holes; The manual opening work area is provided with a cover opening station at one end away from the first crane (3). The cover opening station is used for manual opening of the cover after the transformer leaks oil. A transformer casing conveyor line (4) is provided on one side of the manual opening work area. The flipping machine (2) is set on the transformer casing conveyor line (4). The flipping machine (2) is used to flip the transformer. The transformer casing conveyor line (4) can transport the flipped transformer to the oil drain chain plate conveyor line (1). A second crane (5) is provided at the end of the opening station away from the manual opening work area. The second crane (5) is also equipped with a weight sensor. The second crane is used to lift the copper core from the transformer after the cover is opened and place it on the oil drain chain conveyor line (1). It is used to place the transformer shell with the copper core removed on the transformer shell conveyor line (4). The oil drain chain conveyor (1) is provided with a copper core unloading work area (6) in the middle. The manual hole opening work area, the cover opening station and the copper core unloading work area (6) are all set on the oil drain chain conveyor (1). The manual hole opening work area is the feed end of the oil drain chain conveyor (1). The oil drain chain conveyor (1) conveys the transformer in a clockwise direction. The discharge end of the oil drain chain conveyor (1) is equipped with a baler (7), and the digital panel is electrically connected to the oil drain chain conveyor (1), the flipping machine (2), the weight sensor, and the transformer shell conveyor (4). The oil drain chain conveyor (1) is a loop line with a gap, and the production preparation area is set at the gap of the oil drain chain conveyor (1). The discharge end of the transformer housing conveyor line (4) is provided with a slide rail (19) that extends into the oil drain chain conveyor line (1). The slide rail (19) is perpendicular to the oil drain chain conveyor line (1). A movable plate chain (20) is provided on the slide rail (19). A cylinder is provided at the end of the slide rail (19) away from the oil drain chain conveyor line (1). The output end of the cylinder is fixedly connected to the movable plate chain (20).

2. The transformer flexible intelligent green recycling production line according to claim 1, characterized in that: The flipping machine (2) includes a base, two support rings (9), and a drive ring (10) disposed between the two support rings (9). The two support rings (9) and the drive ring (10) are parallel to each other. The two support rings (9) are fixedly connected to the drive ring (10) by support rods (11). The left and right sides of the support rings (9) are provided with transverse limiting wheels (12) that slide relative to the outer side of the support rings (9). The front and rear sides of the support rings (9) are provided with longitudinal limiting wheels (13) that slide relative to the inner side of the support rings (9). The transverse limiting wheels (12) and the longitudinal limiting wheels (13) All are set on the base, and the base is also provided with a drive motor (14). The output end of the drive motor (14) is fixedly connected to a drive wheel (15). The outer side of the drive ring (10) is provided with a belt (16) that is connected to the drive wheel (15) for transmission. The upper and lower support rods (11) of the flipping machine (2) are both provided with servo lifting systems (17). The servo lifting system (17) on the upper part of the flipping machine (2) and the servo lifting system (17) on the lower part of the flipping machine (2) are arranged opposite to each other. The telescopic ends of the servo lifting system (17) are all fixedly connected with clamping plate chains (18).

3. The transformer flexible intelligent green recycling production line according to claim 1, characterized in that: Both the oil drain chain conveyor line (1) and the transformer housing conveyor line (4) are equipped with oil collection tanks below them.

4. The transformer flexible intelligent green recycling production line according to claim 1, characterized in that: The transformer flexible intelligent green recycling production line pulses one transformer body position at a fixed cycle.

5. The transformer flexible intelligent green recycling production line according to claim 1, characterized in that: A third crane (8) is installed above the copper core unloading work area (6).

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