Noise reduction type novel dry-type transformer

Abstract

The invention relates to the technical field of transformers, and discloses a noise reduction type novel dry-type transformer which comprises a box body, a transformer door is rotatably connected to the front portion of the box body, a rain baffle is fixedly connected to the top of the box body, an air inlet is fixedly connected to the left side of the box body, and an anti-shaking device is arranged at the bottom of the box body. A transformer is fixedly connected to the bottom of the inner wall of the box body, a sound insulation device is arranged on the top of the box body, an anti-theft device is arranged on the rear portion of a transformer door, a reinforcing device is arranged on the top of the sound insulation device, a fire extinguishing device is arranged on the top of the inner wall of the box body, and a power-off device is arranged on the right side of the box body. Through cooperative operation of the supporting box, the compression spring, the supporting block, the sliding column, the connecting block, the rotating block, the limiting block and the horizontal spring, the shaking amplitude of the box body can be reduced, and therefore the noise reduction effect is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of transformers, in particular to a novel dry-type transformer with noise reduction. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. A dry-type transformer is a type of transformer. Dry-type transformers are often used in high-rise residential areas, office buildings, hospitals and other places. However, traditional dry-type transformers generate a lot of noise when in use, which has a certain impact on the lives of people around them.

[0003] Patent publication number CN119786223A discloses a novel dry-type transformer with noise reduction, comprising a base plate, a protective frame fixedly connected to the top edge of the base plate, two inspection doors provided on one side of the protective frame, rubber pads fixedly connected to the top of the base plate near the four corners inside the protective frame, a dry-type transformer fixedly connected to the top of the four rubber pads, a rectangular frame fixedly connected to the top of the outer wall of the base plate, the rectangular frame being connected to the base plate, a rectangular hole formed in the top of the rectangular frame, two side straight holes formed on both sides of the rectangular frame, and a first T-shaped block slidably connected to both ends of the two side straight holes at the top. This patent achieves the technical effect of effectively improving the active heat dissipation efficiency of the dry-type transformer without affecting its natural heat dissipation and noise reduction function, achieving an optimal balance between noise reduction and heat dissipation performance, thereby improving the overall operational stability and reliability of the dry-type transformer. However, there is a problem that the noise reduction caused by transformer vibration is not completely reduced, so a novel dry-type transformer with noise reduction is proposed to solve the above-mentioned problem. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a novel dry-type transformer with noise reduction in view of the above-mentioned deficiencies in the prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a new type of dry-type transformer with noise reduction, including a box body, the front of the box body is rotatably connected to the transformer door, the top of the box body is fixedly connected to a rain shield, the left side of the box body is fixedly connected to an air inlet, the bottom of the box body is provided with an anti-sway device, the bottom of the inner wall of the box body is fixedly connected to the transformer, the top of the box body is provided with a sound insulation device, the rear of the transformer door is provided with an anti-theft device, the top of the sound insulation device is provided with a reinforcement device, the top of the inner wall of the box body is provided with a fire extinguishing device, the right side of the box body is provided with a power-off device, the anti-sway device includes a support box, a compression spring , support block, sliding column, connecting block, rotating block, limiting block and horizontal spring, the support box is slidably connected to the surface of the box, the compression spring is fixedly connected to the top of the support box, the support block is fixedly connected to the inner wall of the support box, the sliding column is fixedly connected to the left side of the support block, the limiting block is slidably connected to the circumferential surface of the sliding column, the rotating block is fixedly connected to the circumferential surface of the limiting block, the connecting block is rotatably connected to the circumferential surface of the rotating block, the horizontal spring is fixedly connected to the left side of the limiting block, the sound insulation device includes a dual-axis motor, a rotating column, a reciprocating screw rod 1, a reciprocating screw rod 2, a special-shaped plate, a movable plate, a fixed rod, a connecting line, a damping sound insulation felt, Roller 1 and Roller 2, the dual-axis motor is fixedly connected to the top of the box, the rotating column is fixedly connected to the bottom output end of the dual-axis motor, the reciprocating screw rod 1 is rotatably connected to the inner wall of the box, the reciprocating screw rod 2 is rotatably connected to the inner wall of the box, the special-shaped plate moves on the circumferential surface of the reciprocating screw rod 1, the movable plate is fixedly connected to the front of the special-shaped plate, the fixed rod is fixedly connected to the inner wall of the box, the connecting line is fixedly connected to the left side of the movable plate, the roller 1 is fixedly connected to the inner wall of the box, the roller 2 is fixedly connected to the inner wall of the box, the damping sound insulation felt is fixedly connected to the bottom of the connecting line, and the two ends of the compression spring are respectively connected to the bottom of the box and the support box The top is fixedly connected, the circumferential surface of the connecting line contacts the circumferential surface of the fixed rod, and the rotating column is connected to the reciprocating screw rod 1 and the reciprocating screw rod 2 through a pulley set. The noise-reducing new dry-type transformer can reduce the shaking amplitude of the box body and achieve the effect of noise reduction through the coordinated operation between the support box, compression spring, support block, sliding column, connecting block, rotating block, limiting block and horizontal spring. Through the coordinated operation between the dual-axis motor, rotating column, reciprocating screw rod 1, reciprocating screw rod 2, special-shaped plate, movable plate, fixed rod, connecting line, damping sound insulation felt, roller 1 and roller 2, the air inlet and outlet can be blocked to prevent sound from spreading out.

[0006] Preferably, the anti-theft device includes a Z-shaped plate, an extrusion wheel, a triangular column, a sliding plate, an extrusion block, a large spring, a door bolt, a limiting plate and a door bolt block. The sliding plate is fixedly connected to the rear of the transformer door, the door bolt block is fixedly connected to the rear of the transformer door, the Z-shaped plate is fixedly connected to the front of the special-shaped plate, the extrusion block is slidably connected to the bottom of the sliding plate, the triangular column is fixedly connected to the rear of the sliding plate, the limiting plate is fixedly connected to the bottom of the sliding plate, the large spring is fixedly connected to the left side of the limiting plate, the extrusion wheel is fixedly connected to the top of the Z-shaped plate, the door bolt is fixedly connected to the right side of the extrusion block, and the reinforcing device includes a short reciprocating screw rod, a door plate and an L-shaped plate. The short reciprocating screw is fixedly connected to the top output end of the dual-axis motor, the L-shaped plate moves on the circumferential surface of the short reciprocating screw, the door panel is fixedly connected to the front of the L-shaped plate, the circumferential surface of the door bolt is slidably connected to the inner wall of the limiting plate, and the two ends of the large spring are respectively fixedly connected to the left side of the limiting plate and the right side of the extrusion block. This noise-reducing new dry-type transformer can prevent the transformer door from being opened through the coordinated operation of the Z-shaped plate, the extrusion wheel, the triangular column, the sliding plate, the extrusion block, the large spring, the door bolt, the limiting plate and the door bolt block, thereby preventing theft. The coordinated operation of the short reciprocating screw, the door panel and the L-shaped plate can block the transformer door and further enhance its anti-theft effect.

[0007] Preferably, the fire extinguishing device includes a small motor, a rotating rod, a bevel gear one, a bevel gear two, a bevel gear three, a bevel gear four, a telescopic plate, a fixed body, a threaded rod, a horizontal reciprocating screw rod, a push plate and a dry powder box, the small motor is fixedly connected to the top of the inner wall of the box, the rotating rod is fixedly connected to the output end of the small motor, the bevel gear three is fixedly connected to the circumferential surface of the rotating rod, the bevel gear one is fixedly connected to the circumferential surface of the rotating rod, the dry powder box is fixedly connected to the top of the inner wall of the box, the telescopic plate is fixedly connected to the bottom of the dry powder box, the threaded rod is fixedly connected to the inner wall of the bevel gear four, the fixed body is threadedly connected to the circumferential surface of the threaded rod, the horizontal reciprocating screw rod is fixedly connected to the inner wall of the bevel gear two, the push plate moves on the circumferential surface of the horizontal reciprocating screw rod, and the power-off device includes a belt group, a vertical reciprocating screw rod, a rotating plate, a horizontal plate, a switch and a power-off block, the belt group is transmission-connected to the circumferential surface of the rotating rod, and the vertical reciprocating screw rod is transmission-connected to the belt group The inner wall of the belt group, the rotating plate is fixedly connected to the right side of the box body, the switch is fixedly connected to the right side of the box body, the horizontal plate moves on the circumferential surface of the vertical reciprocating screw rod, and the power-off block is fixedly connected to the bottom of the horizontal plate, the surface of the bevel gear one is meshed with the surface of the bevel gear two, and the surface of the bevel gear three is meshed with the surface of the bevel gear four. The noise-reducing new dry-type transformer, through the coordinated operation among the small motor, rotating rod, bevel gear one, bevel gear two, bevel gear three, bevel gear four, telescopic plate, fixed body, threaded rod, horizontal reciprocating screw rod, push plate and dry powder box, opens the dry powder box to make the dry powder inside fall, which can prevent fire, and at the same time, pushes out the dry powder remaining in the dry powder box to prevent the fire from getting bigger. Through the coordinated operation among the belt group, vertical reciprocating screw rod, rotating plate, horizontal plate, switch and power-off block, the power-off block moves downward to turn off the switch, so that power can be cut off after fire occurs to prevent the fire from further spreading, thereby ensuring manual safety.

[0008] The present invention adopts the above technical solution, which can bring the following beneficial effects: 1. This new type of noise-reducing dry-type transformer can reduce the shaking amplitude of the box and thus achieve the effect of noise reduction through the coordinated operation among the support box, compression spring, support block, sliding column, connecting block, rotating block, limiting block and horizontal spring. Through the coordinated operation among the dual-axis motor, rotating column, reciprocating screw rod 1, reciprocating screw rod 2, special-shaped plate, moving plate, fixed rod, connecting wire, damping sound insulation felt, roller 1 and roller 2, it can block the air inlet and outlet to prevent sound from spreading.

[0009] 2. This new noise-reducing dry-type transformer can prevent the transformer door from being opened and thus prevent theft through the coordinated operation of the Z-shaped plate, extrusion wheel, triangular column, sliding plate, extrusion block, large spring, door bolt, limiting plate and door bolt block. The coordinated operation of the short reciprocating screw, door plate and L-shaped plate can block the transformer door and further enhance its anti-theft effect.

[0010] 3. This noise-reducing new dry-type transformer, through the coordinated operation among a small motor, a rotating rod, bevel gear one, bevel gear two, bevel gear three, bevel gear four, a telescopic plate, a fixed body, a threaded rod, a horizontal reciprocating screw, a push plate and a dry powder box, opens the dry powder box to allow the dry powder inside to fall, thereby preventing fire. At the same time, the dry powder remaining in the dry powder box can be pushed out to prevent the fire from getting bigger. Through the coordinated operation among a belt group, a vertical reciprocating screw, a rotating plate, a horizontal plate, a switch and a power-off block, the power-off block moves downward to turn off the switch, thereby enabling power to be cut off after a fire occurs to prevent the fire from further spreading, thereby ensuring human safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a half-section schematic diagram of the overall structure of the present invention; Figure 3 This is a schematic structural diagram of the anti-sway device of the present invention; Figure 4 Schematic diagram of the structure of the sound insulation device of the present invention; Figure 5 This is a schematic structural diagram of the anti-theft device of the present invention; Figure 6 For the present invention Figure 5 Enlarged schematic diagram of structure A in the middle Figure 7 This is a schematic structural diagram of the strengthening device of the present invention; Figure 8 This is a structural diagram of the fire extinguishing device of the present invention; Figure 9 It is a structural schematic diagram of the power-off device of the present invention.

[0012] In the figure: 1. Box; 2. Anti-sway device; 201. Support box; 202. Compression spring; 203. Support block; 204. Sliding column; 205. Connecting block; 206. Rotating block; 207. Limiting block; 208. Horizontal spring; 3. Sound insulation device; 301. Double-axis motor; 302. Rotating column; 303. Reciprocating screw rod 1; 304. Reciprocating screw rod 2; 305. Special-shaped plate; 306. Moving plate; 307. Fixed rod; 308. Connecting line; 309. Damping sound insulation felt; 310. Roller 1; 311. Roller 2; 4. Anti-theft device; 401. Z-shaped plate; 402. Extrusion wheel; 403. Triangular column; 404. Sliding plate; 405. Extrusion block; 406. Large spring; 407. Door Bolt; 408, limit plate; 409, door bolt block; 5, reinforcement device; 501, short reciprocating screw; 502, door panel; 503, L-shaped plate; 6, fire extinguishing device; 601, small motor; 602, rotating rod; 603, bevel gear one; 604, bevel gear two; 605, bevel gear three; 606, bevel gear four; 607, telescopic plate; 608, fixed body; 609, threaded rod; 610, horizontal reciprocating screw; 611, push plate; 612, dry powder box; 7, power-off device; 701, belt group; 702, vertical reciprocating screw; 703, rotating plate; 704, horizontal plate; 705, switch; 706, power-off block; 8, rain shield; 9, transformer; 10, air inlet; 11, transformer door. DETAILED DESCRIPTION

[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0014] See also Figures 1-8One embodiment of the present invention is: a new type of dry-type transformer with noise reduction, including a box body 1, a transformer door 11 is rotatably connected to the front of the box body 1, a rain shield 8 is fixedly connected to the top of the box body 1, an air inlet 10 is fixedly connected to the left side of the box body 1, an anti-sway device 2 is provided at the bottom of the box body 1, a transformer 9 is fixedly connected to the bottom of the inner wall of the box body 1, a sound insulation device 3 is provided at the top of the box body 1, an anti-theft device 4 is provided at the rear of the transformer door 11, a reinforcement device 5 is provided on the top of the sound insulation device 3, a fire extinguishing device 6 is provided on the top of the inner wall of the box body 1, and a power-off device 7 is provided on the right side of the box body 1. The anti-sway device 2 includes a support box 201, a compression spring 202, a support block 203, a sliding column 204, a connecting block 205, a rotating block 206, a limiting block 207 and a horizontal spring 2 08, the support box 201 is slidably connected to the surface of the box body 1, the compression spring 202 is fixedly connected to the top of the support box 201, the support block 203 is fixedly connected to the inner wall of the support box 201, the sliding column 204 is fixedly connected to the left side of the support block 203, the limiting block 207 is slidably connected to the circumferential surface of the sliding column 204, the rotating block 206 is fixedly connected to the circumferential surface of the limiting block 207, the connecting block 205 is rotatably connected to the circumferential surface of the rotating block 206, the horizontal spring 208 is fixedly connected to the left side of the limiting block 207, and the sound insulation device 3 includes a dual-axis motor 301, a rotating column 302, a reciprocating screw rod 1 303, a reciprocating screw rod 2 304, a special-shaped plate 305, a movable plate 306, a fixed rod 307, a connecting line 308, a damping sound insulation felt 309, a roller 1 310 and Roller 2 311, the dual-axis motor 301 is fixedly connected to the top of the box 1, the rotating column 302 is fixedly connected to the bottom output end of the dual-axis motor 301, the reciprocating screw rod 1 303 is rotatably connected to the inner wall of the box 1, the reciprocating screw rod 2 304 is rotatably connected to the inner wall of the box 1, the special-shaped plate 305 moves on the circumferential surface of the reciprocating screw rod 1 303, the movable plate 306 is fixedly connected to the front of the special-shaped plate 305, the fixed rod 307 is fixedly connected to the inner wall of the box 1, the connecting line 308 is fixedly connected to the left side of the movable plate 306, the roller 1 310 is fixedly connected to the inner wall of the box 1, the roller 2 311 is fixedly connected to the inner wall of the box 1, the damping sound insulation felt 309 is fixedly connected to the bottom of the connecting line 308, and the two ends of the compression spring 202 are respectively fixed to the bottom of the box 1 and the top of the support box 201 The circumferential surface of the connecting line 308 contacts the circumferential surface of the fixed rod 307, and the rotating column 302 is connected to the reciprocating screw rod 1 303 and the reciprocating screw rod 2 304 through a pulley group. The anti-theft device 4 includes a Z-shaped plate 401, an extrusion wheel 402, a triangular column 403, a sliding plate 404, an extrusion block 405, a large spring 406, a door bolt 407, a limiting plate 408 and a door bolt block 409. The sliding plate 404 is fixedly connected to the rear of the transformer door 11, and the door bolt block 409 is fixedly connected to the rear of the transformer door 11. The Z-shaped plate 401 is fixedly connected to the front of the special-shaped plate 305, the extrusion block 405 is slidably connected to the bottom of the sliding plate 404, the triangular column 403 is fixedly connected to the rear of the sliding plate 404, and the limiting plate 408 is fixedly connected to the bottom of the sliding plate 404.The large spring 406 is fixedly connected to the left side of the limiting plate 408, the extrusion wheel 402 is fixedly connected to the top of the Z-shaped plate 401, and the door bolt 407 is fixedly connected to the right side of the extrusion block 405. The reinforcing device 5 includes a short reciprocating screw rod 501, a door plate 502 and an L-shaped plate 503. The short reciprocating screw rod 501 is fixedly connected to the top output end of the dual-axis motor 301. The L-shaped plate 503 moves on the circumferential surface of the short reciprocating screw rod 501. The door plate 502 is fixedly connected to the front of the L-shaped plate 503. The circumferential surface of the door bolt 407 is slidably connected to the inner wall of the limiting plate 408. The two ends of the large spring 406 are respectively fixedly connected to the left side of the limiting plate 408 and the right side of the extrusion block 405. Working principle: When the box body 1 shakes, the compression spring 202 is squeezed, and at the same time, the connecting block 205 moves toward and squeezes the horizontal spring 208, which can reduce the shaking amplitude of the box body 1 and thus achieve the effect of noise reduction. The dual-axis motor 301 drives the rotating column 302 to rotate, and the rotating column 302 drives the reciprocating screw rod 1 303 and the reciprocating screw rod 2 304 to rotate through the belt. The reciprocating screw rod 1 303 drives the special-shaped plate 305 to move downward, and the special-shaped plate 305 drives the damping sound insulation felt 309 on the surface of the roller 1 310 to move downward, thereby blocking the air outlet to prevent the sound from spreading out. The special-shaped plate 305 moves downward and drives the movable plate 306 to move downward. The movable plate 306 moves downward and drives the damping sound insulation felt 309 on the surface of the roller 2 311 to move upward through the connecting line 308, thereby blocking the air inlet 10 to prevent the sound from being transmitted. The special-shaped plate 305 moves upward, driving the Z-shaped plate 401 to move upward. The Z-shaped plate 401 drives the extrusion wheel 402 to move upward. The extrusion wheel 402 squeezes the triangular column 403 to move it to the right. The triangular column 403 drives the extrusion block 405 to move to the right. The extrusion block 405 drives the door bolt 407 to move to the right, and at the same time squeezes the large spring 406. The door bolt 407 moves to the right and enters the door bolt block 409 to prevent the transformer door 11 from being opened, thereby preventing theft. The dual-axis motor 301 drives the short reciprocating screw rod 501 to rotate, and the short reciprocating screw rod 501 drives the L-shaped plate 503 to move downward. The L-shaped plate 503 drives the door panel 502 to move downward, which can block the transformer door 11 and further enhance its anti-theft effect.

[0015] See also Figures 1-8On the basis of the above embodiment, in another embodiment of the present invention, the fire extinguishing device 6 includes a small motor 601, a rotating rod 602, a bevel gear 1 603, a bevel gear 2 604, a bevel gear 3 605, a bevel gear 4 606, a telescopic plate 607, a fixed body 608, a threaded rod 609, a horizontal reciprocating screw 610, a push plate 611 and a dry powder box 612, the small motor 601 is fixedly connected to the top of the inner wall of the box body 1, the rotating rod 602 is fixedly connected to the output end of the small motor 601, the bevel gear 3 605 is fixedly connected to the circumferential surface of the rotating rod 602, the bevel gear 1 603 is fixedly connected to the circumferential surface of the rotating rod 602, the dry powder box 612 is fixedly connected to the top of the inner wall of the box body 1, the telescopic plate 607 is fixedly connected to the bottom of the dry powder box 612, the threaded rod 609 is fixedly connected to the inner wall of the bevel gear 4 606, and the fixed body 608 is threaded. Connected to the circumferential surface of the threaded rod 609, the horizontal reciprocating screw rod 610 is fixedly connected to the inner wall of the bevel gear 2 604, and the push plate 611 moves on the circumferential surface of the horizontal reciprocating screw rod 610. The power-off device 7 includes a belt group 701, a vertical reciprocating screw rod 702, a rotating plate 703, a horizontal plate 704, a switch 705 and a power-off block 706. The belt group 701 is transmission-connected to the circumferential surface of the rotating rod 602, the vertical reciprocating screw rod 702 is transmission-connected to the inner wall of the belt group 701, the rotating plate 703 is fixedly connected to the right side of the box body 1, the switch 705 is fixedly connected to the right side of the box body 1, the horizontal plate 704 moves on the circumferential surface of the vertical reciprocating screw rod 702, the power-off block 706 is fixedly connected to the bottom of the horizontal plate 704, the surface of bevel gear 1 603 is meshed with the surface of bevel gear 2 604, and the surface of bevel gear 3 605 is meshed with the surface of bevel gear 4 606.

[0016] Working principle: The small motor 601 drives the rotating rod 602 to rotate, the rotating rod 602 drives the bevel gear 3 605 to rotate, the bevel gear 3 605 drives the bevel gear 4 606 to rotate, the bevel gear 4 606 drives the threaded rod 609 to rotate, the threaded rod 609 drives the fixed body 608 to move, the fixed body 608 drives the telescopic plate 607 to extend and retract, thereby opening the dry powder box 612 and allowing the dry powder inside to fall out to prevent fire, the rotating rod 602 drives the bevel gear 1 603 to rotate, the bevel gear 1 603 drives the bevel gear 2 604 to rotate, the bevel gear 2 60 4 drives the horizontal reciprocating screw 610 to rotate, and the horizontal reciprocating screw 610 drives the push plate 611 to move back and forth, so that the dry powder remaining in the dry powder box 612 can be pushed out to prevent the fire from getting bigger. The rotating rod 602 drives the belt group 701 to rotate, and the belt group 701 drives the vertical reciprocating screw 702 to rotate. The vertical reciprocating screw 702 drives the horizontal plate 704 to move downward, and the horizontal plate 704 drives the power-off block 706 to move downward to turn off the switch 705, so that the power can be cut off after the fire occurs to prevent the fire from further spreading, thereby ensuring human safety.

[0017] The present invention provides a novel dry-type transformer with noise reduction. There are numerous methods and approaches for implementing this technical solution. The foregoing description is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art may make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also within the scope of protection of the present invention. Any components not specified in this embodiment may be implemented using existing technologies.

Claims

1. A novel dry-type transformer with noise reduction, comprising a box (1), characterized in that: The front of the box (1) is rotatably connected to a transformer door (11), the top of the box (1) is fixedly connected to a rain shield (8), the left side of the box (1) is fixedly connected to an air inlet (10), the bottom of the box (1) is provided with an anti-sway device (2), the bottom of the inner wall of the box (1) is fixedly connected to a transformer (9), the top of the box (1) is provided with a sound insulation device (3), the rear of the transformer door (11) is provided with an anti-theft device (4), the top of the sound insulation device (3) is provided with a reinforcement device (5), the top of the inner wall of the box (1) is provided with a fire extinguishing device (6), and the right side of the box (1) is provided with a power off device (7); The anti-sway device (2) comprises a support box (201), a compression spring (202), a support block (203), a sliding column (204), a connecting block (205), a rotating block (206), a limiting block (207) and a horizontal spring (208), wherein the support box (201) is slidably connected to the surface of the box body (1), the compression spring (202) is fixedly connected to the top of the support box (201), the support block (203) is fixedly connected to the inner wall of the support box (201), the sliding column (204) is fixedly connected to the left side of the support block (203), the limiting block (207) is slidably connected to the circumferential surface of the sliding column (204), the rotating block (206) is fixedly connected to the circumferential surface of the limiting block (207), the connecting block (205) is rotatably connected to the circumferential surface of the rotating block (206), and the horizontal spring (208) is fixedly connected to the left side of the limiting block (207).

2. A novel dry-type transformer with noise reduction according to claim 1, characterized in that: The sound insulation device (3) includes a dual-axis motor (301), a rotating column (302), a reciprocating screw rod (303), a reciprocating screw rod (304), a special-shaped plate (305), a movable plate (306), a fixed rod (307), a connecting line (308), a damping sound insulation felt (309), a roller (310) and a roller (311), wherein the dual-axis motor (301) is fixedly connected to the top of the box (1), the rotating column (302) is fixedly connected to the bottom output end of the dual-axis motor (301), the reciprocating screw rod (303) is rotatably connected to the inner wall of the box (1), and the The reciprocating screw rod 2 (304) is rotatably connected to the inner wall of the box body (1), the special-shaped plate (305) moves on the circumferential surface of the reciprocating screw rod 1 (303), the movable plate (306) is fixedly connected to the front of the special-shaped plate (305), the fixed rod (307) is fixedly connected to the inner wall of the box body (1), the connecting line (308) is fixedly connected to the left side of the movable plate (306), the roller 1 (310) is fixedly connected to the inner wall of the box body (1), the roller 2 (311) is fixedly connected to the inner wall of the box body (1), and the damping sound insulation felt (309) is fixedly connected to the bottom of the connecting line (308).

3. A novel dry-type transformer with noise reduction according to claim 2, characterized in that: The two ends of the compression spring (202) are fixedly connected to the bottom of the box (1) and the top of the support box (201), respectively. The circumferential surface of the connecting line (308) contacts the circumferential surface of the fixed rod (307). The rotating column (302) is connected to the reciprocating screw rod 1 (303) and the reciprocating screw rod 2 (304) through a pulley group.

4. A novel dry-type transformer with noise reduction according to claim 3, characterized in that: The anti-theft device (4) comprises a Z-shaped plate (401), an extrusion wheel (402), a triangular column (403), a sliding plate (404), an extrusion block (405), a large spring (406), a door bolt (407), a limiting plate (408) and a door bolt block (409), wherein the sliding plate (404) is fixedly connected to the rear of the transformer door (11), the door bolt block (409) is fixedly connected to the rear of the transformer door (11), and the Z-shaped plate (401) is fixedly connected to the special-shaped plate ( 305), the extrusion block (405) is slidably connected to the bottom of the sliding plate (404), the triangular column (403) is fixedly connected to the rear of the sliding plate (404), the limiting plate (408) is fixedly connected to the bottom of the sliding plate (404), the large spring (406) is fixedly connected to the left side of the limiting plate (408), the extrusion wheel (402) is fixedly connected to the top of the Z-shaped plate (401), and the door bolt (407) is fixedly connected to the right side of the extrusion block (405).

5. The novel dry-type transformer with noise reduction according to claim 4, characterized in that: The reinforcing device (5) comprises a short reciprocating screw (501), a door plate (502) and an L-shaped plate (503), wherein the short reciprocating screw (501) is fixedly connected to the top output end of the dual-axis motor (301), the L-shaped plate (503) moves on the circumferential surface of the short reciprocating screw (501), and the door plate (502) is fixedly connected to the front of the L-shaped plate (503).

6. The novel dry-type transformer with noise reduction according to claim 5, characterized in that: The circumferential surface of the door bolt (407) is slidably connected to the inner wall of the limiting plate (408), and the two ends of the large spring (406) are fixedly connected to the left side of the limiting plate (408) and the right side of the extrusion block (405) respectively.

7. The novel dry-type transformer with noise reduction according to claim 6, characterized in that: The fire extinguishing device (6) comprises a small motor (601), a rotating rod (602), a bevel gear 1 (603), a bevel gear 2 (604), a bevel gear 3 (605), a bevel gear 4 (606), a telescopic plate (607), a fixed body (608), a threaded rod (609), a horizontal reciprocating screw rod (610), a push plate (611) and a dry powder box (612), wherein the small motor (601) is fixedly connected to the top of the inner wall of the box (1), the rotating rod (602) is fixedly connected to the output end of the small motor (601), and the bevel gear 3 (605) is fixedly connected to the rotating rod ( 602) circumferential surface, the bevel gear one (603) is fixedly connected to the circumferential surface of the rotating rod (602), the dry powder box (612) is fixedly connected to the top of the inner wall of the box body (1), the telescopic plate (607) is fixedly connected to the bottom of the dry powder box (612), the threaded rod (609) is fixedly connected to the inner wall of the bevel gear four (606), the fixed body (608) is threadedly connected to the circumferential surface of the threaded rod (609), the horizontal reciprocating screw rod (610) is fixedly connected to the inner wall of the bevel gear two (604), and the push plate (611) moves on the circumferential surface of the horizontal reciprocating screw rod (610); The power-off device (7) comprises a belt group (701), a vertical reciprocating screw rod (702), a rotating plate (703), a horizontal plate (704), a switch (705) and a power-off block (706); the belt group (701) is transmission-connected to the circumferential surface of the rotating rod (602); the vertical reciprocating screw rod (702) is transmission-connected to the inner wall of the belt group (701); the rotating plate (703) is fixedly connected to the right side of the box body (1); the switch (705) is fixedly connected to the right side of the box body (1); the horizontal plate (704) moves on the circumferential surface of the vertical reciprocating screw rod (702); and the power-off block (706) is fixedly connected to the bottom of the horizontal plate (704).

8. The novel dry-type transformer with noise reduction according to claim 7, characterized in that: The surface of the bevel gear one (603) meshes with the surface of the bevel gear two (604), and the surface of the bevel gear three (605) meshes with the surface of the bevel gear four (606).

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