CN211145221U - Shock absorber and dry-type transformer provided with same - Google Patents
Shock absorber and dry-type transformer provided with same Download PDFInfo
- Publication number
- CN211145221U CN211145221U CN201921985539.1U CN201921985539U CN211145221U CN 211145221 U CN211145221 U CN 211145221U CN 201921985539 U CN201921985539 U CN 201921985539U CN 211145221 U CN211145221 U CN 211145221U
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- support plate
- shock absorber
- dry
- type transformer
- bolt
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Abstract
The utility model relates to a bumper shock absorber and be equipped with dry-type transformer of this bumper shock absorber relates to dry-type transformer's vibration/noise reduction technical field, especially relates to a bumper shock absorber that carries out vibration/noise reduction usefulness to dry-type transformer. In order to solve the problem that the noise generated by a dry-type transformer in a high-building low-voltage distribution room influences the life of residents, the utility model provides a shock absorber, which comprises a lower support plate, an upper support plate, a connecting bolt, a plurality of shock absorbing bolts and a plurality of shock absorbing springs, wherein the upper support plate is arranged above the lower support plate in parallel and is connected through the shock absorbing bolts; the connecting bolt is vertically fixed on the upper supporting plate, and the connecting end of the connecting bolt deviates from the lower supporting plate; the damping spring is sleeved on the damping bolt and is positioned between the lower supporting plate and the upper supporting plate. The utility model discloses bumper shock absorber simple structure, preparation low cost, the shock attenuation is effectual. Use the utility model discloses the bumper shock absorber reduces the noise that dry-type transformer vibrations produced, and then noise abatement and building body resonance transmit the high-rise, influence the resident family life.
Description
Technical Field
The utility model relates to a vibration/noise reduction technical field of dry-type transformer especially relates to a carry out bumper shock absorber of vibration/noise reduction usefulness to dry-type transformer.
Background
At present, dry-type transformers with the capacity of 2500kVA or below in the level of 10kV are generally adopted in high-rise and underground power distribution rooms in residential districts, and noise generated in the operation process of the dry-type transformers can resonate with buildings and is transmitted to high floors, so that the life of residents is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the noise generated by a dry-type transformer in a high-building low-voltage distribution room affects the life of residents, the utility model provides a shock absorber, which comprises a lower support plate, an upper support plate, a connecting bolt, a plurality of shock absorbing bolts and a plurality of shock absorbing springs, wherein the upper support plate is arranged above the lower support plate in parallel and is connected through the shock absorbing bolts; the connecting bolt is vertically fixed on the upper supporting plate, and the connecting end of the connecting bolt deviates from the lower supporting plate; the damping spring is sleeved on the damping bolt and positioned between the lower supporting plate and the upper supporting plate. The utility model discloses bumper shock absorber simple structure, preparation low cost, the shock attenuation is effectual. When in use, the shock absorber cushion of the utility model is arranged below the base of the dry-type transformer and is fixed on the base of the dry-type transformer through the installation of the connecting bolt. Therefore, when the dry type transformer runs, the dry type transformer can be damped through the damping spring in the damper, noise generated by vibration of the dry type transformer is reduced, and then the noise and the resonance of a building body are reduced and transmitted to a high level, so that the life of residents is influenced.
Preferably, the last cover of shock attenuation bolt is equipped with the spacing pad cover, and this spacing pad cover includes stop collar and spacing washer, just the stop collar card is put shock attenuation bolt with between the damping spring, spacing washer is located on the outer wall of stop collar and the card is put the backup pad down with between the damping spring. Like this, utilize spacing cover to carry on spacingly to damping spring, both can reduce the wearing and tearing that damping spring received when using, can play absorbing effect again, further improve the utility model discloses the shock attenuation effect of bumper shock absorber. Furthermore, the limiting cushion cover is made of a silica gel material. The limiting cushion cover is wear-resistant, good in damping effect and long in service life.
Preferably, the positioning end welded fastening of shock bolt is in on the bottom suspension fagging, shock bolt's free end passes go up backup pad and cover and be equipped with stop nut and locknut, just stop nut is located go up the backup pad with between the locknut. Like this, when using, can utilize stop nut to adjust damping spring's flexible stroke as required to utilize locknut to fasten spacing bolt and last backup pad, avoid going up backup pad and spacing bolt aversion in the use, influence the utility model discloses the shock attenuation effect of bumper shock absorber.
Preferably, go up the backup pad with the bottom suspension fagging is the rectangular plate, just damping bolt is in the four corners department of bottom suspension fagging is the symmetry setting, connecting bolt is located go up the middle part of backup pad. Therefore, the upper supporting plate and the lower supporting plate are simple in structure and convenient to manufacture; the damping bolts are symmetrically arranged at the four corners of the lower supporting plate, so that the damping stability of the shock absorber can be ensured; connecting bolt sets up at the middle part of backup pad, is connected the back at connecting bolt and dry-type transformer's base, can guarantee the utility model discloses the support stability of bumper shock absorber to dry-type transformer.
Preferably, the connecting bolt is welded and fixed on the upper supporting plate so as to ensure the stability of the connecting bolt fixed on the upper supporting plate and avoid the connecting bolt from falling off from the upper supporting plate in the use process.
Additionally, the utility model also provides a dry-type transformer, above-mentioned arbitrary bumper shock absorber is installed to this dry-type transformer's base downside.
Drawings
FIG. 1 is a schematic view of the shock absorber according to the present invention in a partially cut-away view;
fig. 2 is a schematic top view of the damper shown in fig. 1.
Detailed Description
The present invention will be described in detail with reference to fig. 1 and 2.
As shown in fig. 1 and 2, the shock absorber of the present invention includes a lower support plate 1, an upper support plate 2, a connecting bolt 3, a plurality of shock absorbing bolts 4 and a plurality of shock absorbing springs 5. Wherein, go up backup pad 2 parallel arrangement in the bottom suspension fagging 1 top and connect through shock attenuation bolt 4, shock attenuation spring housing 5 is established on shock attenuation bolt 4 and is located between bottom suspension fagging 1 and the last backup pad 2. Preferably, the upper support plate 2 and the lower support plate 1 are both rectangular plates. Thus, the upper supporting plate 2 and the lower supporting plate 1 are simple in structure and convenient to manufacture. Connecting bolt 3 vertical fixation is on last backup pad 2, and connecting bolt 3's link deviates from backup pad 2 down. Preferably, the connecting bolt 3 is located at the middle of the upper support plate 2. Connecting bolt 3 sets up at the middle part of backup pad 2, is connected the back at connecting bolt 3 and dry-type transformer's base, can guarantee the utility model discloses the support stability of bumper shock absorber to dry-type transformer. Preferably, connecting bolt 3 welded fastening is on last backup pad 2 to guarantee connecting bolt 3 and fix the stability on last backup pad 2, avoid connecting bolt 3 to drop from last backup pad 2 in the use. Damping bolt 4 is the symmetry setting in the four corners department of backup pad 1 down, can guarantee the utility model discloses the shock attenuation stability of bumper shock absorber. Preferably, the positioning end of the damping bolt 4 is welded and fixed on the lower support plate 2, the free end of the damping bolt 4 penetrates through the upper support plate 2 and is sleeved with a limit nut 6 and a locknut 7, and the limit nut 6 is positioned between the upper support plate 2 and the locknut 7. Like this, when using, can utilize stop nut 6 to adjust damping spring 5's flexible stroke as required to utilize locknut 7 to fasten spacing bolt 6 and last backup pad 2, avoid going up backup pad 2 and spacing bolt 6 and shift in the use, influence the utility model discloses the shock attenuation effect of bumper shock absorber. Preferably, the shock-absorbing bolt 4 is sleeved with a gasket 9, and the gasket 9 is located between the limit nut 6 and the upper supporting plate 2 so as to protect the upper supporting plate 2 and prevent the upper supporting plate 2 from being worn by the limit nut 6 when the telescopic stroke of the shock-absorbing spring 5 is adjusted. Preferably, the cushion bolt 4 is sleeved with a limit cushion cover 8, the limit cushion cover 8 comprises a limit sleeve 81 and a limit washer 82, the limit sleeve 81 is clamped between the cushion bolt 4 and the damping spring 5, and the limit washer 82 is positioned on the outer wall of the limit sleeve 81 and clamped between the lower support plate 2 and the damping spring 5. Like this, utilize spacing pad cover 82 to carry on spacingly to damping spring 5, both can reduce the wearing and tearing that damping spring 5 received when using, can play absorbing effect again, further improve the utility model discloses the shock attenuation effect of bumper shock absorber. Preferably, the limit cushion cover 8 is made of silica gel material. Such spacing cushion cover 8 is wear-resisting and shock attenuation effectual, long service life. In addition, when the shock absorber is implemented, a single spring with the load bearing of 100kg-500kg can be selected.
The utility model discloses bumper shock absorber simple structure, preparation low cost, the shock attenuation is effectual. When in use, the shock absorber cushion of the utility model is arranged below the base of the dry-type transformer and is fixed on the base of the dry-type transformer through the installation of the connecting bolt. Therefore, when the dry type transformer runs, the vibration of the dry type transformer can be damped through the damping spring 4 in the damper, the noise generated by the vibration of the dry type transformer is reduced, and the noise and the resonance of a building body are further reduced and transmitted to a high level to influence the life of residents.
Claims (7)
1. A shock absorber is characterized by comprising a lower support plate, an upper support plate, a connecting bolt, a plurality of shock absorbing bolts and a plurality of shock absorbing springs, wherein the upper support plate is arranged above the lower support plate in parallel and is connected through the shock absorbing bolts; the connecting bolt is vertically fixed on the upper supporting plate, and the connecting end of the connecting bolt deviates from the lower supporting plate; the damping spring is sleeved on the damping bolt and positioned between the lower supporting plate and the upper supporting plate.
2. The shock absorber according to claim 1, wherein the shock absorbing bolt is sleeved with a limit cushion cover, the limit cushion cover comprises a limit sleeve and a limit washer, the limit sleeve is clamped between the shock absorbing bolt and the shock absorbing spring, and the limit washer is positioned on the outer wall of the limit sleeve and clamped between the lower support plate and the shock absorbing spring.
3. The shock absorber according to claim 2, wherein the position limiting cushion cover is made of a silica gel material.
4. The shock absorber according to any one of claims 1 to 3, wherein the positioning end of the shock absorbing bolt is fixed on the lower support plate by welding, the free end of the shock absorbing bolt passes through the upper support plate and is sleeved with a limit nut and a locknut, and the limit nut is positioned between the upper support plate and the locknut.
5. The shock absorber of claim 4, wherein the upper support plate and the lower support plate are rectangular plates, the shock absorbing bolts are symmetrically arranged at four corners of the lower support plate, and the connecting bolts are located in the middle of the upper support plate.
6. The shock absorber according to claim 5, wherein the connecting bolt is welded and fixed to the upper support plate.
7. A dry-type transformer, characterized in that a damper according to any one of claims 1-6 is mounted to the underside of the base of the dry-type transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921985539.1U CN211145221U (en) | 2019-11-18 | 2019-11-18 | Shock absorber and dry-type transformer provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921985539.1U CN211145221U (en) | 2019-11-18 | 2019-11-18 | Shock absorber and dry-type transformer provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145221U true CN211145221U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921985539.1U Active CN211145221U (en) | 2019-11-18 | 2019-11-18 | Shock absorber and dry-type transformer provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113707417A (en) * | 2021-08-27 | 2021-11-26 | 贵州电网有限责任公司 | Distribution transformer noise reduction device with high barrier rate |
-
2019
- 2019-11-18 CN CN201921985539.1U patent/CN211145221U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113707417A (en) * | 2021-08-27 | 2021-11-26 | 贵州电网有限责任公司 | Distribution transformer noise reduction device with high barrier rate |
| CN113707417B (en) * | 2021-08-27 | 2023-08-08 | 贵州电网有限责任公司 | High-barrier-rate noise reduction device for distribution transformer |
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