CN220651804U - Noise reduction device for distribution transformer - Google Patents
Noise reduction device for distribution transformer Download PDFInfo
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- CN220651804U CN220651804U CN202322009291.8U CN202322009291U CN220651804U CN 220651804 U CN220651804 U CN 220651804U CN 202322009291 U CN202322009291 U CN 202322009291U CN 220651804 U CN220651804 U CN 220651804U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 26
- 238000013016 damping Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 description 9
- 239000006096 absorbing agent Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses a noise reduction device for a distribution transformer, and relates to the technical field of noise reduction devices for transformers. The four corners of transformer lower surface is all fixedly connected with mount, and the below of mount is provided with the connecting piece, and the lower extreme of connecting piece is provided with damper, and the upper and lower both ends of connecting piece all are provided with connecting screw, and the upper end connecting screw's upper end runs through the mount to extend to the top of mount, the upper end threaded connection has locknut on the connecting screw. The main part of connecting piece adopts the rubber piece to be provided with the supporting steel structure in the rubber piece, and all contactless between supporting steel structure and the steel construction frame utilizes the rubber material between supporting steel structure and the steel construction frame to cushion the vibrations of transformer, sets up the rubber sleeve between slide bar and slide tube, goes up the buffer spring and sets up the rubber ring down between the buffer spring, guarantees that each mechanism junction all is provided with corresponding rubber buffer structure, thereby reduces the transmission of vibrations, thereby reaches the purpose of making an uproar falls.
Description
Technical Field
The utility model relates to the technical field of transformer noise reduction devices, in particular to a noise reduction device for a distribution transformer.
Background
The current urban district distribution room is generally built in the next floor, the transformer noise problem is very outstanding for some old districts, and especially, with the improvement of people's environmental awareness and the restriction of environmental protection departments on various noises, the work amount of the transformer noise is increased day by day, so that it is more and more important to take measures to reduce the transformer noise.
The reduction of transformer noise is mainly divided into active noise reduction and passive noise reduction. The active noise reduction is to reform the distribution transformer of the residential district to perform noise reduction treatment, such as replacing an old transformer, but the cost of the mode is too high to be developed on a large scale. On the other hand is passive to fall and makes an uproar, carries out the sound absorption to distribution transformer and handles, carries out special design to the wall in the distribution substation, say to design as unsmooth wall, changes the shutter that has amortization effect simultaneously, can effectively reduce noise like this, but the cost is also higher, and has only solved the airborne noise, and the low frequency noise that solid vibration produced can't solve.
Therefore, we need to find a mode or device with low cost, remarkable noise reduction and simple construction, which can solve the low-frequency noise, and the noise of the transformer is mainly generated by the collision between the transformer and the external fixing device when the transformer vibrates in the using process, so that the transformer needs to be subjected to noise reduction treatment and vibration reduction treatment.
Disclosure of Invention
The utility model aims to provide a noise reduction device for a distribution transformer, which solves the technical problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a distribution transformer noise reduction device, includes the transformer, the four corners of transformer lower surface is all fixedly connected with mount, the below of mount is provided with the connecting piece, the lower extreme of connecting piece is provided with damper, the upper and lower both ends of connecting piece all are provided with connecting screw rod, and the upper end connecting screw rod's upper end runs through the mount to extend to the top of mount, upper end threaded connection has locknut on the connecting screw rod;
the shock absorption mechanism comprises a connecting plate and an installation outer frame, wherein the connecting plate is Z-shaped, the lower end of a connecting screw penetrates through the left side end of the connecting plate and extends to the lower side of the connecting plate, the lower end of the connecting screw is connected with a locknut in a threaded mode, the right side end of the connecting plate extends into the installation outer frame, the lower ends of the outer walls of the front side and the rear side of the installation outer frame are fixedly connected with an installation plate, a strip-shaped through hole is formed in the installation plate, the inner wall of the lower side of the installation outer frame is fixedly connected with a sliding cylinder, the inner side of the sliding cylinder is provided with a sliding rod, the upper end of the sliding rod is fixedly connected with the lower surface of the connecting plate, a rubber ring is sleeved on the sliding cylinder, an upper buffer spring and a lower buffer spring are respectively sleeved on the sliding rod and the sliding cylinder, the upper end of the upper buffer spring is fixedly connected with the lower end of the connecting plate, and the lower end of the lower buffer spring is fixedly connected with the inner wall of the lower side of the installation outer frame.
Preferably, the sliding rod is sleeved with a rubber sleeve, a plurality of annular clamping grooves are formed in the side wall of the sliding rod, the inner side end of the rubber sleeve extends into the clamping grooves, the inner side wall of the rubber sleeve is adhered to the outer side wall of the sliding rod, and the rubber sleeve is located on the inner side of the sliding cylinder and is in sliding connection with the inner side wall of the sliding cylinder.
Preferably, the limit sliding groove is formed in the inner walls of the front side and the rear side of the installation outer frame, the installation frame is symmetrically and fixedly connected with the front end and the rear end of the connection plate, one end of the installation frame, which is far away from the connection plate, extends to the inner side of the limit sliding groove, the left end and the right end of the installation frame are respectively and rotatably connected with the limit roller, the outer side ends of the limit roller are in butt joint with the inner walls of the left side and the right side of the limit sliding groove, and the outer side ends of the limit roller are made of rubber materials.
Preferably, two the equal fixedly connected with side rubber slab of one end that the mounting bracket kept away from each other, the side rubber slab is close to spacing spout bottom, the upper end fixedly connected with upper end rubber slab of connecting plate, the upper end rubber slab is located the lower extreme of installing the frame upper side wall, the lower extreme fixedly connected with downside rubber slab of connecting plate, the downside rubber slab is located the top of installing the frame downside inner wall.
Preferably, the connecting piece includes the rubber block, the inboard of rubber block is provided with steel structure frame and two support steel structure frames, the steel structure frame is the I shape, support steel structure frame is the U type, the steel structure frame is located the inboard of two support steel structure frames, the upper and lower both ends of steel structure frame extend respectively to the inboard of two upper and lower support steel structure frames, two support steel structure frame all is not connected with the steel structure frame, upper and lower two the adjacent one end of connecting screw runs through the rubber block to with support steel structure frame lateral wall fixed connection.
Compared with the related art, the noise reduction device for the distribution transformer has the following beneficial effects:
the utility model provides a noise reduction device for a distribution transformer, which is characterized in that corresponding vibration reduction connecting devices are arranged at four corners of the lower surface of the transformer, the noise reduction device mainly comprises connecting pieces and vibration reduction mechanisms, rubber blocks are arranged on the main body of the connecting pieces, supporting steel structures and steel structure frames are arranged in the rubber blocks to strengthen the strength of the connecting pieces, the supporting force of the connecting pieces is improved, the supporting steel structures and the steel structure frames are not contacted, vibration of the transformer is buffered by rubber materials between the supporting steel structures and the steel structure frames, vibration transmission is reduced, an installation outer frame and a Z-shaped connecting plate are arranged in the vibration reduction mechanisms, sliding rods, sliding cylinders, upper buffer springs and lower buffer springs are arranged between the connecting plates and the installation outer frame, rubber sleeves are arranged between the sliding rods and the sliding cylinders, rubber rings are arranged between the upper buffer springs and the lower buffer springs, the corresponding rubber buffer structures are arranged at the connecting positions of all mechanisms, the vibration reduction is realized, the vibration is buffered by rubber materials while the vibration reduction is realized, the purpose of reducing the vibration is achieved, the vibration is realized, the vibration reduction device is relatively simple in structure, the four corners of the transformer is independently provided with corresponding connecting devices, the vibration reduction devices between two adjacent vibration reduction devices are not influenced by the vibration reduction and vibration reduction mechanisms, and vibration reduction is realized, and vibration reduction is convenient.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a partial perspective structure of the present utility model;
FIG. 3 is a schematic view of a shock absorbing mechanism according to the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic cross-sectional perspective view of a connector according to the present utility model;
FIG. 6 is a perspective view of the steel structure inside the connector of the present utility model;
FIG. 7 is a schematic view of a sectional perspective structure of an installation frame of the present utility model;
FIG. 8 is a schematic view of a partial three-dimensional structure of a limiting chute according to the present utility model;
FIG. 9 is a partial enlarged view at B in FIG. 8;
fig. 10 is a schematic view showing a sectional perspective structure of a slide bar according to the present utility model.
In the figure: 1. a transformer; 2. a fixing frame; 3. a connecting piece; 4. a damping mechanism; 5. a connecting plate; 6. installing an outer frame; 7. a rubber block; 8. a connecting screw; 9. supporting a steel structure frame; 10. a steel structure frame; 11. a locknut; 12. a lower rubber plate; 13. an upper rubber plate; 14. limiting sliding grooves; 15. a mounting frame; 16. a side rubber plate; 17. limiting idler wheels; 18. a slide bar; 19. a sliding cylinder; 20. a lower buffer spring; 21. an upper buffer spring; 22. a rubber ring; 23. a rubber sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-10, the present utility model provides a technical solution: the utility model provides a distribution transformer noise reduction device, includes transformer 1, and the four corners of transformer 1 lower surface is all fixedly connected with mount 2, and the below of mount 2 is provided with connecting piece 3, and the lower extreme of connecting piece 3 is provided with damper 4, and the upper and lower both ends of connecting piece 3 all are provided with connecting screw rod 8, and the upper end of upper end connecting screw rod 8 runs through mount 2 to extend to the top of mount 2, threaded connection has locknut 11 on the upper end connecting screw rod 8;
the damping mechanism 4 comprises a connecting plate 5 and an installation outer frame 6, the connecting plate 5 is Z-shaped, the lower end of a lower end connecting screw rod 8 penetrates through the left side end of the connecting plate 5 and extends to the lower side of the connecting plate 5, the lower end of the lower end connecting screw rod 8 is connected with a locknut 11 in a threaded manner, the problem of unstable connection caused by vibration in the use process of the transformer 1 is effectively avoided by utilizing the locknut 11, the right side end of the connecting plate 5 extends into the installation outer frame 6, the lower ends of the outer walls of the front side and the rear side of the installation outer frame 6 are fixedly connected with the installation plates, strip-shaped through holes are formed in the installation plates, the inner wall of the lower side of the installation outer frame 6 is fixedly connected with a sliding cylinder 19, the inner side of the sliding cylinder 19 is provided with a sliding rod 18, the upper end of the sliding rod 18 is fixedly connected with the lower surface of the connecting plate 5, the upper end and the lower end of the rubber ring 22 are respectively fixedly connected with an upper buffer spring 21 and a lower buffer spring 20, the upper buffer spring 21 and the lower buffer spring 20 are respectively sleeved on the sliding rod 18 and the sliding cylinder 19, the upper end of the upper buffer spring 21 is fixedly connected with the lower end of the connecting plate 5, the lower end of the lower buffer spring 20 is fixedly connected with the inner wall of the lower side of the mounting outer frame 6, the upper buffer spring 21 and the lower buffer spring 20 are utilized to play a role in buffering the vibration of the transformer 1, the rubber ring 22 between the upper buffer spring 21 and the lower buffer spring 20 is utilized to play a certain role in blocking the transmission of the vibration, and the rubber material is utilized to reduce the vibration transmission;
the sliding rod 18 is sleeved with a rubber sleeve 23, the side wall of the sliding rod 18 is provided with a plurality of annular clamping grooves, the inner side end of the rubber sleeve 23 extends into the clamping grooves, the inner side wall of the rubber sleeve 23 is adhered to the outer side wall of the sliding rod 18, the rubber sleeve 23 is positioned on the inner side of the sliding cylinder 19 and is in sliding connection with the inner side wall of the sliding cylinder 19, the sliding rod 18 and the sliding cylinder 19 are utilized to play a main limiting role on the connecting plate 5, and meanwhile, the rubber sleeve 23 is utilized to separate the sliding rod 18 from the sliding cylinder 19, so that noise caused by collision between the sliding rod 18 and the sliding cylinder 19 is avoided;
the limiting sliding grooves 14 are formed in the inner walls of the front side and the rear side of the mounting outer frame 6, the mounting frames 15 are symmetrically and fixedly connected to the front end and the rear end of the connecting plate 5, one end, far away from the connecting plate 5, of each mounting frame 15 extends to the inner side of each limiting sliding groove 14, the left end and the right end of each mounting frame 15 are rotationally connected with limiting rollers 17, the outer side ends of the limiting rollers 17 are abutted to the inner walls of the left side and the right side of each limiting sliding groove 14, the outer side ends of the limiting rollers 17 are made of rubber materials, the limiting rollers 17 are used for assisting in limiting the moving direction of the connecting plate 5, and meanwhile, the limiting rollers 17 made of rubber materials are used for buffering vibration, so that the noise reduction effect of the device on the transformer 1 is guaranteed;
the side rubber plates 16 are fixedly connected to the ends, away from each other, of the two mounting frames 15, the side rubber plates 16 are close to the bottoms of the limiting sliding grooves 14, the upper ends of the connecting plates 5 are fixedly connected with the upper end rubber plates 13, the upper end rubber plates 13 are located at the lower ends of the upper side walls of the mounting frames 6, the lower ends of the connecting plates 5 are fixedly connected with the lower side rubber plates 12, the lower side rubber plates 12 are located on the inner walls of the lower sides of the mounting frames 6, the side rubber plates 16 are arranged at the positions, close to the mounting frames 6, of the mounting frames 15, and the upper end rubber plates 13 and the lower side rubber plates 12 at the upper ends and the lower ends of the connecting plates 5 are prevented from colliding with the mounting frames 6 in the vibration process, so that noise reduction effects are prevented;
the connecting piece 3 includes the rubber piece 7, the inboard of rubber piece 7 is provided with steel structure frame 10 and two support steel structure frame 9, steel structure frame 10 is the I shape, support steel structure frame 9 is the U type, steel structure frame 10 is located the inboard of two support steel structure frames 9, the upper and lower both ends of steel structure frame 10 extend respectively to the inboard of two upper and lower support steel structure frames 9, two support steel structure frames 9 are all not connected with steel structure frame 10, the adjacent one end of two upper and lower connecting screw rods 8 runs through rubber piece 7, and with support steel structure frame 9 lateral wall fixed connection, when transformer 1 shakes, pass through mount 2 and transmit on top connecting screw rod 8 and the upper end support steel structure frame 9, in the rubber piece 7 in the connecting piece 3, upper end support steel structure frame 9 passes through rubber material and transmits on lower extreme support steel structure frame 9 and the lower extreme connecting screw rod 8, in the in-process of vibrations transmission, utilize rubber material to cushion the vibrations and reach the purpose that reduces the vibrations transmission.
Working principle: when the shock absorber is used, the shock absorber 4 is connected with the fixing frame 2 through the connecting piece 3, the shock absorber 4 and the transformer 1 are fixed through the mounting frame 6 in the shock absorber 4, when the transformer 1 vibrates, the shock absorber is transmitted to the upper connecting screw 8 and the upper end supporting steel structure frame 9 through the fixing frame 2, in the rubber block 7 in the connecting piece 3, the upper end supporting steel structure frame 9 is transmitted to the lower end supporting steel structure frame 9 and the lower end connecting screw 8 through rubber materials, in the vibration transmission process, the purpose of reducing the vibration transmission is achieved by buffering the vibration through the rubber materials, the sliding rod 18, the sliding cylinder 19, the upper buffer spring 21 and the lower buffer spring 20 are arranged between the connecting plate 5 and the mounting frame 6, the rubber sleeve 23 is arranged between the sliding rod 18 and the sliding cylinder 19, the rubber ring 22 is arranged between the upper buffer spring 21 and the lower buffer spring 20, the corresponding rubber buffer structures are guaranteed, the shock absorber 1 is buffered through the rubber materials, and the purpose of reducing the vibration transmission is achieved when the shock absorber is achieved, and the purpose of reducing the noise is achieved.
Claims (5)
1. A distribution transformer noise reduction device, comprising a transformer (1), characterized in that: the transformer is characterized in that fixing frames (2) are fixedly connected to four corners of the lower surface of the transformer (1), connecting pieces (3) are arranged below the fixing frames (2), damping mechanisms (4) are arranged at the lower ends of the connecting pieces (3), connecting screws (8) are arranged at the upper end and the lower end of the connecting pieces (3), the upper ends of the connecting screws (8) penetrate through the fixing frames (2) and extend to the upper side of the fixing frames (2), and locknuts (11) are connected to the upper ends of the connecting screws (8) in a threaded mode;
the damping mechanism (4) comprises a connecting plate (5) and an installation outer frame (6), the connecting plate (5) is Z-shaped, the lower end of the connecting screw (8) penetrates through the left side end of the connecting plate (5) and extends to the lower side of the connecting plate (5), the lower end of the connecting screw (8) is connected with a locknut (11) in a threaded manner, the right side end of the connecting plate (5) extends into the installation outer frame (6), the lower ends of the outer walls at the front side and the rear side of the installation outer frame (6) are fixedly connected with the installation plate, strip-shaped through holes are formed in the installation plate, the inner wall of the lower side of the installation outer frame (6) is fixedly connected with a sliding cylinder (19), the inner side of the sliding cylinder (19) is provided with a sliding rod (18), the upper end of the sliding rod (18) is fixedly connected with the lower surface of the connecting plate (5), a rubber ring (22) is sleeved on the sliding cylinder (19), an upper buffer spring (21) and a lower buffer spring (20) are fixedly connected with the upper end of the upper buffer spring (21) and the lower buffer spring (20), the upper end of the upper buffer spring (21) and the lower buffer spring (20) are fixedly connected with the upper end of the sliding rod (18) respectively, the lower end of the lower buffer spring (20) is fixedly connected with the inner wall of the lower side of the mounting outer frame (6).
2. A distribution transformer noise reduction device according to claim 1, characterized in that: the sliding rod (18) is sleeved with a rubber sleeve (23), a plurality of annular clamping grooves are formed in the side wall of the sliding rod (18), the inner side end of the rubber sleeve (23) extends into the clamping grooves, the inner side wall of the rubber sleeve (23) is adhered to the outer side wall of the sliding rod (18), and the rubber sleeve (23) is located on the inner side of the sliding cylinder (19) and is in sliding connection with the inner side wall of the sliding cylinder (19).
3. A distribution transformer (1) noise reduction device according to claim 1, characterized in that: limiting sliding grooves (14) are formed in the inner walls of the front side and the rear side of the mounting outer frame (6), mounting frames (15) are symmetrically and fixedly connected to the front end and the rear end of the connecting plate (5), one end of each mounting frame (15) away from the connecting plate (5) extends to the inner side of each limiting sliding groove (14), limiting rollers (17) are rotatably connected to the left end and the right end of each mounting frame (15), the outer ends of the limiting rollers (17) are in butt joint with the inner walls of the left side and the right side of each limiting sliding groove (14), and the outer ends of the limiting rollers (17) are made of rubber materials.
4. A distribution transformer noise reduction device according to claim 3, characterized in that: two equal fixedly connected with side rubber slab (16) of one end that mounting bracket (15) kept away from each other, side rubber slab (16) are close to spacing spout (14) bottom, the upper end fixedly connected with upper end rubber slab (13) of connecting plate (5), upper end rubber slab (13) are located the lower extreme of installing frame (6) upper side wall, the lower extreme fixedly connected with downside rubber slab (12) of connecting plate (5), downside rubber slab (12) are located the top of installing frame (6) downside inner wall.
5. A distribution transformer noise reduction device according to claim 1, characterized in that: the connecting piece (3) comprises a rubber block (7), steel structure frames (10) and two supporting steel structure frames (9) are arranged on the inner side of the rubber block (7), the steel structure frames (10) are I-shaped, the supporting steel structure frames (9) are U-shaped, the steel structure frames (10) are located on the inner sides of the two supporting steel structure frames (9), the upper end and the lower end of the steel structure frames (10) respectively extend to the inner sides of the upper supporting steel structure frames (9) and the lower supporting steel structure frames (9), the two supporting steel structure frames (9) are not connected with the steel structure frames (10), and the upper end and the lower end adjacent to the connecting screw (8) penetrate through the rubber block (7) and are fixedly connected with the side walls of the supporting steel structure frames (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322009291.8U CN220651804U (en) | 2023-07-27 | 2023-07-27 | Noise reduction device for distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322009291.8U CN220651804U (en) | 2023-07-27 | 2023-07-27 | Noise reduction device for distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220651804U true CN220651804U (en) | 2024-03-22 |
Family
ID=90264326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322009291.8U Active CN220651804U (en) | 2023-07-27 | 2023-07-27 | Noise reduction device for distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220651804U (en) |
-
2023
- 2023-07-27 CN CN202322009291.8U patent/CN220651804U/en active Active
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