CN211455470U - Novel transformer housing falls mounting structure of making an uproar - Google Patents

Novel transformer housing falls mounting structure of making an uproar Download PDF

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CN211455470U
CN211455470U CN202020337739.2U CN202020337739U CN211455470U CN 211455470 U CN211455470 U CN 211455470U CN 202020337739 U CN202020337739 U CN 202020337739U CN 211455470 U CN211455470 U CN 211455470U
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fixedly connected
box
inner cavity
box body
return spring
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封成林
聂国彪
刘瑞良
聂国群
陈志广
聂清斌
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Zhongshan Baina Electronic Technology Co ltd
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Zhongshan Baina Electronic Technology Co ltd
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Abstract

The utility model discloses a novel mounting structure of making an uproar falls of transformer housing, including first box, the equal fixedly connected with shock attenuation buffer gear in both sides of first box inner chamber bottom, the top of first box inner chamber is provided with places. The utility model discloses shock attenuation buffer gear has been set up, setting through second box and T type pole, support placing the board, the rethread reset spring that excels in and the setting of movable rod, can carry out the shock attenuation to the body when body work produces pressure, and the equal fixedly connected with buffering box in both sides of second box inner chamber, and the inner chamber of buffering box is provided with bracing piece and first reset spring, fixed connection through bracing piece and slide cushions the pressure that body work produced, through multiple shock attenuation and buffering, make the body more stable at the in-process that uses, the life of body has been prolonged, reduce the noise that the transformer during operation produced.

Description

一种新型变压器外壳的降噪安装结构A new type of noise reduction installation structure of transformer shell

技术领域technical field

本实用新型涉及变压器技术领域,具体为一种新型变压器外壳的降噪安装结构。The utility model relates to the technical field of transformers, in particular to a novel noise reduction installation structure of a transformer casing.

背景技术Background technique

变压器是生活中常用的电压转换装置,变压器内部的线圈在进行压力转换的时候会产生振动,从而容易导致变压器结构整体发生振动,影响变压器内部结构的使用寿命,而且振动产生的噪音如果不进行合理的降噪不仅会噪音扰民而且会令民众产生恐慌,现有的变压器采用的减震方式主要为弹片支座减震,这种减震方式的减震效果差,不适合大功率变压器使用,而且对变压器内部结构的保护性能有限,而且在变压器工作于外部震动较大的施工现场时,这种程度的减震性能完全无法保障变压器的正常使用寿命,不利于人们的使用。Transformer is a commonly used voltage conversion device in daily life. The coil inside the transformer will vibrate when the pressure is converted, which will easily lead to the overall vibration of the transformer structure and affect the service life of the internal structure of the transformer. The noise reduction will not only disturb the noise but also cause panic among the people. The existing shock absorption method used by the transformer is mainly the shock absorption of the shrapnel support. This shock absorption method has poor shock absorption effect and is not suitable for high-power transformers. The protection performance of the internal structure of the transformer is limited, and when the transformer works on a construction site with large external vibration, this level of shock absorption performance cannot guarantee the normal service life of the transformer at all, which is not conducive to people's use.

实用新型内容Utility model content

本实用新型的目的在于提供一种新型变压器外壳的降噪安装结构,具备变压器外壳安装结构便于使用的优点,解决了变压器外壳安装结构使用不方便的问题。The purpose of the utility model is to provide a novel noise reduction installation structure of the transformer casing, which has the advantages of convenient use of the transformer casing installation structure, and solves the problem of inconvenient use of the transformer casing installation structure.

为实现上述目的,本实用新型提供如下技术方案:一种新型变压器外壳的降噪安装结构,包括第一箱体,所述第一箱体内腔底部的两侧均固定连接有减震缓冲机构,所述第一箱体内腔的顶部设置有放置板,所述第一箱体内腔两侧的顶部均开设有滑槽,所述放置板的两侧均固定连接有滑块,所述滑块与滑槽滑动连接,所述放置板的顶部设置有本体,所述放置板的底部固定连接有伸缩杆,所述伸缩杆的表面套设有第二复位弹簧,所述减震缓冲机构包括第二箱体,所述第二箱体的顶部贯穿设置有T型杆,所述T型杆的顶部与放置板的底部固定连接,所述T型杆的底部固定连接有高强复位弹簧,所述T型杆底部的两侧均通过转轴活动连接有高强复位弹簧,活动杆的底部与第二箱体内腔的底部通过转轴活动连接,所述第二箱体内腔两侧的顶部与底部均固定连接有缓冲盒,所述缓冲盒内腔的右侧固定连接有第一复位弹簧,所述第一复位弹簧的左侧固定连接有支撑杆,所述支撑杆的左侧贯穿缓冲盒并延伸至缓冲盒的外部,所述支撑杆位于缓冲盒外部的一端固定连接有滑板,所述滑板的底部通过转轴活动连接有滑轮,所述滑轮的底部与第二箱体内腔的底部接触。In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel noise reduction installation structure for a transformer casing, comprising a first box body, and both sides of the bottom of the cavity of the first box body are fixedly connected with a shock absorbing buffer mechanism, The top of the inner cavity of the first box is provided with a placement plate, the tops of both sides of the inner cavity of the first box are provided with sliding grooves, and the two sides of the placement plate are fixedly connected with sliding blocks, and the sliding blocks are connected with the sliding blocks. The chute is slidably connected, the top of the placing plate is provided with a body, the bottom of the placing plate is fixedly connected with a telescopic rod, the surface of the telescopic rod is sleeved with a second return spring, and the shock-absorbing buffer mechanism includes a second The box body, the top of the second box body is provided with a T-shaped rod, the top of the T-shaped rod is fixedly connected with the bottom of the placing plate, the bottom of the T-shaped rod is fixedly connected with a high-strength return spring, the T-shaped rod Both sides of the bottom of the shaped rod are movably connected with high-strength return springs through the rotating shaft, the bottom of the movable rod and the bottom of the second box inner cavity are movably connected through the rotating shaft, and the top and bottom of both sides of the second box inner cavity are fixedly connected with a buffer box, a first return spring is fixedly connected to the right side of the inner cavity of the buffer box, a support rod is fixedly connected to the left side of the first return spring, and the left side of the support rod penetrates the buffer box and extends to the buffer box The end of the support rod outside the buffer box is fixedly connected with a sliding plate, the bottom of the sliding plate is movably connected with a pulley through a rotating shaft, and the bottom of the pulley is in contact with the bottom of the inner cavity of the second box.

优选的,所述第一箱体底部的四周均固定连接有底座,所述底座的数量为四个。Preferably, bases are fixedly connected around the bottom of the first box body, and the number of the bases is four.

优选的,所述本体的两侧均固定连接有散热片,所述散热片为长方形。Preferably, both sides of the body are fixedly connected with heat sinks, and the heat sinks are rectangular.

优选的,所述本体的顶部固定连接有风机,所述风机为圆形。Preferably, a fan is fixedly connected to the top of the body, and the fan is circular.

优选的,所述本体的顶部固定连接有位于风机的表面的支撑板,所述支撑板的顶部固定连接有遮雨板。Preferably, a support plate located on the surface of the fan is fixedly connected to the top of the body, and a rain shield is fixedly connected to the top of the support plate.

与现有技术相比,本实用新型的有益效果如下:Compared with the prior art, the beneficial effects of the present utility model are as follows:

1、本实用新型设置了减震缓冲机构,通过第二箱体与T型杆的设置,对放置板进行支撑,再通过高强复位弹簧与活动杆的设置,能够在本体工作产生压力时对本体进行减震,并且第二箱体内腔的两侧均固定连接有缓冲盒,且缓冲盒的内腔设置有支撑杆与第一复位弹簧,通过支撑杆与滑板的固定连接对本体工作产生的压力进行缓冲,通过多重减震与缓冲,使得本体在使用的过程中更加的稳定,延长了本体的使用寿命,降低变压器工作时产生的噪声。1. The utility model is provided with a shock-absorbing and buffering mechanism, which supports the placing plate through the setting of the second box body and the T-shaped rod, and then through the setting of the high-strength return spring and the movable rod, the body can be pressed when the body works. Shock absorption is performed, and both sides of the inner cavity of the second box are fixedly connected with a buffer box, and the inner cavity of the buffer box is provided with a support rod and a first return spring. Buffering, through multiple shock absorption and buffering, makes the main body more stable during use, prolongs the service life of the main body, and reduces the noise generated when the transformer is working.

2、本实用新型通过设置底座,便于对变压器进行安装,通过设置散热片,提高本体的散热性,通过设置风机,提高本体内空气流速,通过设置支撑板和遮雨板,便于对风机进行保护。2. The utility model facilitates the installation of the transformer by setting the base, improves the heat dissipation of the body by setting the heat sink, improves the air flow rate in the body by setting the fan, and facilitates the protection of the fan by setting the support plate and the rain shield. .

附图说明Description of drawings

图1为本实用新型结构示意图;Fig. 1 is the structural representation of the utility model;

图2为本实用新型结构减震缓冲机构示意图;Fig. 2 is the schematic diagram of the structural shock absorption buffer mechanism of the utility model;

图3为本实用新型图2中A的放大结构图。FIG. 3 is an enlarged structural view of A in FIG. 2 of the present utility model.

图中:1、第一箱体;2、减震缓冲机构;21、第二箱体;22、T型杆;23、高强复位弹簧;24、活动杆;25、滑板;26、滑轮;27、缓冲盒;28、支撑杆;29、第一复位弹簧;3、放置板;4、滑槽;5、滑块;6、本体;7、伸缩杆;8、第二复位弹簧;9、底座;10、散热片;11、风机;12、支撑板;13、遮雨板。In the figure: 1, the first box body; 2, the shock absorption buffer mechanism; 21, the second box body; 22, the T-bar; 23, the high-strength return spring; 24, the movable rod; , buffer box; 28, support rod; 29, first return spring; 3, placement plate; 4, chute; 5, slider; 6, body; 7, telescopic rod; 8, second return spring; 9, base ; 10, heat sink; 11, fan; 12, support plate; 13, rain shield.

具体实施方式Detailed ways

下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

请参阅图1-3,一种新型变压器外壳的降噪安装结构,包括第一箱体1,第一箱体1底部的四周均固定连接有底座9,底座9的数量为四个,通过设置底座9,便于对变压器进行安装,第一箱体1内腔底部的两侧均固定连接有减震缓冲机构2,第一箱体1内腔的顶部设置有放置板3,第一箱体1内腔两侧的顶部均开设有滑槽4,放置板3的两侧均固定连接有滑块5,滑块5与滑槽4滑动连接,放置板3的顶部设置有本体6,本体6的两侧均固定连接有散热片10,散热片10为长方形,通过设置散热片10,提高本体6的散热性,本体6的顶部固定连接有风机11,风机11为圆形,通过设置风机11,提高本体6内空气流速,本体6的顶部固定连接有位于风机11的表面的支撑板12,支撑板12的顶部固定连接有遮雨板13,通过设置支撑板12和遮雨板13,便于对风机11进行保护,放置板3的底部固定连接有伸缩杆7,伸缩杆7的表面套设有第二复位弹簧8,减震缓冲机构2包括第二箱体21,第二箱体21的顶部贯穿设置有T型杆22,T型杆22的顶部与放置板3的底部固定连接,T型杆22的底部固定连接有高强复位弹簧23,T型杆22底部的两侧均通过转轴活动连接有高强复位弹簧23,活动杆24的底部与第二箱体21内腔的底部通过转轴活动连接,第二箱体21内腔两侧的顶部与底部均固定连接有缓冲盒27,缓冲盒27内腔的右侧固定连接有第一复位弹簧29,第一复位弹簧29的左侧固定连接有支撑杆28,支撑杆28的左侧贯穿缓冲盒27并延伸至缓冲盒27的外部,支撑杆28位于缓冲盒27外部的一端固定连接有滑板25,滑板25的底部通过转轴活动连接有滑轮26,滑轮26的底部与第二箱体21内腔的底部接触,设置了减震缓冲机构2,通过第二箱体21与T型杆22的设置,对放置板3进行支撑,再通过高强复位弹簧23与活动杆24的设置,能够在本体6工作产生压力时对本体6进行减震,并且第二箱体21内腔的两侧均固定连接有缓冲盒27,且缓冲盒27的内腔设置有支撑杆28与第一复位弹簧29,通过支撑杆28与滑板25的固定连接对本体6工作产生的压力进行缓冲,通过多重减震与缓冲,使得本体6在使用的过程中更加的稳定,延长了本体6的使用寿命,降低变压器工作时产生的噪声。Please refer to Fig. 1-3, a new type of noise reduction installation structure of transformer shell, including a first box 1, the bottom of the first box 1 is fixedly connected with bases 9, the number of bases 9 is four, by setting The base 9 is convenient for the installation of the transformer. Both sides of the bottom of the inner cavity of the first box body 1 are fixedly connected with the shock-absorbing and buffering mechanism 2. The top of the inner cavity of the first box body 1 is provided with a placing plate 3. The first box body 1 The tops of both sides of the inner cavity are provided with chute 4, both sides of the placing plate 3 are fixedly connected with a slider 5, the slider 5 is slidably connected with the chute 4, the top of the placing plate 3 is provided with a body 6, and the Both sides are fixedly connected with cooling fins 10, the cooling fins 10 are rectangular, the heat dissipation of the main body 6 is improved by setting the cooling fins 10, the top of the main body 6 is fixedly connected with a fan 11, the fan 11 is circular, and by setting the fan 11, To increase the air flow rate in the main body 6, the top of the main body 6 is fixedly connected with a support plate 12 located on the surface of the fan 11, and the top of the support plate 12 is fixedly connected with a rain shield 13. By setting the support plate 12 and the rain shield 13, it is convenient to The fan 11 is protected, the bottom of the placing plate 3 is fixedly connected with a telescopic rod 7, the surface of the telescopic rod 7 is sleeved with a second return spring 8, the shock-absorbing buffer mechanism 2 includes a second box 21, and the top of the second box 21 A T-shaped rod 22 is provided through, the top of the T-shaped rod 22 is fixedly connected with the bottom of the placing plate 3, the bottom of the T-shaped rod 22 is fixedly connected with a high-strength return spring 23, and both sides of the bottom of the T-shaped rod 22 are movably connected by a rotating shaft There is a high-strength return spring 23, the bottom of the movable rod 24 is movably connected with the bottom of the inner cavity of the second box body 21 through a rotating shaft, and the top and bottom of the inner cavity of the second box body 21 are fixedly connected with a buffer box 27. The buffer box 27 A first return spring 29 is fixedly connected to the right side of the inner cavity, and a support rod 28 is fixedly connected to the left side of the first return spring 29. The left side of the support rod 28 penetrates the buffer box 27 and extends to the outside of the buffer box 27. The support rod 28 one end located outside the buffer box 27 is fixedly connected with a slide plate 25, the bottom of the slide plate 25 is movably connected with a pulley 26 through a rotating shaft, and the bottom of the pulley 26 is in contact with the bottom of the inner cavity of the second box 21, and a shock-absorbing buffer mechanism 2 is provided, The placement plate 3 is supported by the arrangement of the second box body 21 and the T-bar 22 , and the arrangement of the high-strength return spring 23 and the movable rod 24 can dampen the main body 6 when the main body 6 works to generate pressure, and Both sides of the inner cavity of the second box body 21 are fixedly connected with a buffer box 27 , and the inner cavity of the buffer box 27 is provided with a support rod 28 and a first return spring 29 . The pressure generated by the work is buffered, and through multiple shock absorption and buffering, the main body 6 is more stable during use, the service life of the main body 6 is prolonged, and the noise generated by the transformer is reduced.

使用时,通过放置板3、滑槽4和滑块5的设置,能够在放置板3受力时增加滑动效果,避免放置板3长时间与第一箱体1的内壁摩擦造成损坏,且增加阻力的效果,设置了减震缓冲机构2,通过放置板3的底部与T型杆22的顶部固定连接,减震缓冲机构2包括第二箱体21,通过第二箱体21与T型杆22的设置,对放置板3进行支撑,再通过高强复位弹簧23与活动杆24的设置,能够在本体6工作产生压力时对本体6进行减震,并且第二箱体21内腔的两侧均固定连接有缓冲盒27,且缓冲盒27的内腔设置有支撑杆28与第一复位弹簧29,通过支撑杆28与滑板25的固定连接对本体6工作产生的压力进行缓冲,通过多重减震与缓冲,使得本体6在使用的过程中更加的稳定,延长了本体6的使用寿命,设置了伸缩杆7与底座9,能够在放置板3受力时增加缓冲效果,避免放置板3在受力时冲力过大造成本装置损坏的效果,并且降低变压器工作时产生的噪声。During use, through the arrangement of the placing plate 3, the chute 4 and the slider 5, the sliding effect can be increased when the placing plate 3 is stressed, so as to avoid the damage caused by the friction between the placing plate 3 and the inner wall of the first box 1 for a long time, and increase the For the effect of resistance, a shock-absorbing and buffering mechanism 2 is provided, and the bottom of the placing plate 3 is fixedly connected to the top of the T-bar 22. The shock-absorbing and buffering mechanism 2 includes a second box 21, which is connected to the T-bar through the second box 21. The setting of 22 supports the placing plate 3, and then through the setting of the high-strength return spring 23 and the movable rod 24, the body 6 can be damped when the body 6 works to generate pressure, and the two sides of the inner cavity of the second box 21 Both are fixedly connected with a buffer box 27, and the inner cavity of the buffer box 27 is provided with a support rod 28 and a first return spring 29, through the fixed connection between the support rod 28 and the slide plate 25, the pressure generated by the work of the main body 6 is buffered. Vibration and buffering make the main body 6 more stable during use and prolong the service life of the main body 6. The telescopic rod 7 and the base 9 are provided, which can increase the buffering effect when the placing plate 3 is stressed and avoid the placing plate 3 in the When the force is too large, the device is damaged, and the noise generated when the transformer is working is reduced.

尽管已经示出和描述了本实用新型的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本实用新型的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1.一种新型变压器外壳的降噪安装结构,包括第一箱体(1),其特征在于:所述第一箱体(1)内腔底部的两侧均固定连接有减震缓冲机构(2),所述第一箱体(1)内腔的顶部设置有放置板(3),所述第一箱体(1)内腔两侧的顶部均开设有滑槽(4),所述放置板(3)的两侧均固定连接有滑块(5),所述滑块(5)与滑槽(4)滑动连接,所述放置板(3)的顶部设置有本体(6),所述放置板(3)的底部固定连接有伸缩杆(7),所述伸缩杆(7)的表面套设有第二复位弹簧(8),所述减震缓冲机构(2)包括第二箱体(21),所述第二箱体(21)的顶部贯穿设置有T型杆(22),所述T型杆(22)的顶部与放置板(3)的底部固定连接,所述T型杆(22)的底部固定连接有高强复位弹簧(23),所述T型杆(22)底部的两侧均通过转轴活动连接有高强复位弹簧(23),活动杆(24)的底部与第二箱体(21)内腔的底部通过转轴活动连接,所述第二箱体(21)内腔两侧的顶部与底部均固定连接有缓冲盒(27),所述缓冲盒(27)内腔的右侧固定连接有第一复位弹簧(29),所述第一复位弹簧(29)的左侧固定连接有支撑杆(28),所述支撑杆(28)的左侧贯穿缓冲盒(27)并延伸至缓冲盒(27)的外部,所述支撑杆(28)位于缓冲盒(27)外部的一端固定连接有滑板(25),所述滑板(25)的底部通过转轴活动连接有滑轮(26),所述滑轮(26)的底部与第二箱体(21)内腔的底部接触。1. A new type of noise reduction installation structure for a transformer shell, comprising a first box body (1), characterized in that: both sides of the inner cavity bottom of the first box body (1) are fixedly connected with a shock-absorbing buffer mechanism ( 2), the top of the inner cavity of the first box body (1) is provided with a placement plate (3), the tops of both sides of the inner cavity of the first box body (1) are provided with chute (4), the Both sides of the placement plate (3) are fixedly connected with sliders (5), the sliders (5) are slidably connected with the chute (4), and the top of the placement plate (3) is provided with a body (6), A telescopic rod (7) is fixedly connected to the bottom of the placing plate (3), a second return spring (8) is sleeved on the surface of the telescopic rod (7), and the shock absorbing and buffering mechanism (2) includes a second return spring (8). A box body (21), the top of the second box body (21) is provided with a T-shaped rod (22), the top of the T-shaped rod (22) is fixedly connected with the bottom of the placing plate (3), the The bottom of the T-shaped rod (22) is fixedly connected with a high-strength return spring (23). Both sides of the bottom of the T-shaped rod (22) are movably connected with a high-strength return spring (23) through a rotating shaft. The bottom of the movable rod (24) It is movably connected to the bottom of the inner cavity of the second box body (21) through a rotating shaft, and the top and bottom of the inner cavity of the second box body (21) are fixedly connected with a buffer box (27). ) A first return spring (29) is fixedly connected to the right side of the inner cavity, a support rod (28) is fixedly connected to the left side of the first return spring (29), and the left side of the support rod (28) penetrates the buffer The box (27) extends to the outside of the buffer box (27). One end of the support rod (28) located outside the buffer box (27) is fixedly connected with a sliding plate (25), and the bottom of the sliding plate (25) is movable through a rotating shaft A pulley (26) is connected, and the bottom of the pulley (26) is in contact with the bottom of the inner cavity of the second box body (21). 2.根据权利要求1所述的一种新型变压器外壳的降噪安装结构,其特征在于:所述第一箱体(1)底部的四周均固定连接有底座(9),所述底座(9)的数量为四个。2. The noise reduction installation structure of a novel transformer casing according to claim 1, characterized in that a base (9) is fixedly connected to the bottom of the first box (1) around the bottom, and the base (9) ) is four. 3.根据权利要求1所述的一种新型变压器外壳的降噪安装结构,其特征在于:所述本体(6)的两侧均固定连接有散热片(10),所述散热片(10)为长方形。3. The noise reduction installation structure of a novel transformer casing according to claim 1, characterized in that radiating fins (10) are fixedly connected to both sides of the body (6), and the radiating fins (10) is a rectangle. 4.根据权利要求1所述的一种新型变压器外壳的降噪安装结构,其特征在于:所述本体(6)的顶部固定连接有风机(11),所述风机(11)为圆形。4 . The noise reduction installation structure of a novel transformer casing according to claim 1 , wherein a fan ( 11 ) is fixedly connected to the top of the main body ( 6 ), and the fan ( 11 ) is circular. 5 . 5.根据权利要求4所述的一种新型变压器外壳的降噪安装结构,其特征在于:所述本体(6)的顶部固定连接有位于风机(11)的表面的支撑板(12),所述支撑板(12)的顶部固定连接有遮雨板(13)。5. The noise reduction installation structure of a novel transformer casing according to claim 4, characterized in that: the top of the main body (6) is fixedly connected with a support plate (12) located on the surface of the fan (11), so A rain shield (13) is fixedly connected to the top of the support plate (12).
CN202020337739.2U 2020-03-18 2020-03-18 Novel transformer housing falls mounting structure of making an uproar Active CN211455470U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112466622A (en) * 2020-11-25 2021-03-09 浙江派尔电气有限公司 Dry-type transformer body stretching structure
CN112735757A (en) * 2020-12-27 2021-04-30 杭州兔研工业设计有限公司 Skid-mounted transformer device
CN112802656A (en) * 2021-01-06 2021-05-14 宣城沈变变压器有限公司 Dry-type converter transformer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112466622A (en) * 2020-11-25 2021-03-09 浙江派尔电气有限公司 Dry-type transformer body stretching structure
CN112735757A (en) * 2020-12-27 2021-04-30 杭州兔研工业设计有限公司 Skid-mounted transformer device
CN112802656A (en) * 2021-01-06 2021-05-14 宣城沈变变压器有限公司 Dry-type converter transformer

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