CN105387124A - Anti-knock type sleeve device and application thereof - Google Patents
Anti-knock type sleeve device and application thereof Download PDFInfo
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- CN105387124A CN105387124A CN201510805685.1A CN201510805685A CN105387124A CN 105387124 A CN105387124 A CN 105387124A CN 201510805685 A CN201510805685 A CN 201510805685A CN 105387124 A CN105387124 A CN 105387124A
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Insulators (AREA)
- Patch Boards (AREA)
Abstract
本发明涉及抗震型套管装置及其用途，抗震型套管装置，包括支架、金属套筒和绝缘套管，绝缘套管的下端固定于所述金属套筒的上端上，金属套筒的刚度小于支架的刚度，金属套筒的下端与所述支架固定连接以在地震时通过金属套筒的自身形变来缓冲支架对绝缘套管的振动。本发明解决了现有技术中在地震时绝缘套管下端应力较大而容易碎裂的问题。
The invention relates to an anti-seismic sleeve device and its application. The anti-seismic sleeve device includes a bracket, a metal sleeve and an insulating sleeve. The lower end of the insulating sleeve is fixed on the upper end of the metal sleeve. The rigidity of the metal sleeve is The lower end of the metal sleeve is fixedly connected with the support to buffer the vibration of the support to the insulating sleeve through the deformation of the metal sleeve itself during an earthquake. The invention solves the problem in the prior art that the lower end of the insulating sleeve has a relatively large stress and is easily broken during an earthquake.
Description
技术领域 technical field
本发明涉及一种抗震型套管装置及其用途。 The invention relates to an anti-seismic bushing device and its application.
背景技术 Background technique
套管装置处在（H）GIS设备的末端向上需要与电站的架空线相连，向下需要与（H）GIS相连，它承担者高压绝缘负荷、机械负荷及绝缘支撑的多重作用。因此套管装置的运行稳定性直接会影响着（H）GIS设备整体运行的稳定性，一旦套管装置出现问题必将会影响整个电网的运行，从而对社会和人民带来巨大的损失。套管装置在非地震区使用时，不会出现问题，然而套管装置在青藏、天山等地震活动频繁而强烈的地震区使用时，对其运行稳定性提出了更高的要求。现有地震区使用的套管装置如图1所示：包括支架4、金属筒体和竖向设置的绝缘套管1，绝缘套管一般由瓷或玻璃钢制成，其本身脆性大、易碎、易炸，金属筒体包括套管连接筒体5和固设于套管连接筒体上的支筒体3，支筒体用于与GIS设备上的连接筒体相连，现有的设计构思是：绝缘套管要承受，内部气压、外部风压、外部端子拉力、自身重力和地震加速带来的各方向力，再加上绝缘套管本身的细、高、柔、重和截面非线性等特点，绝缘套管成为抗震过程中的最薄弱环节，支架的特征在地震实验中直接影响到支架对套管的动力影响系数，支架较高、较柔对套管的动力放大系数就越大，套管的受力就比较苛刻。为了降低支架对套管的影响，通常将支架设计的刚度比较大，直接与套管底部相连。然而经过实践发现：在非地震时，该结构可以保证绝缘套管有很好的表现，然而在地震时，支架会将地震的作用力直接传递给绝缘套管，由于支架与绝缘套管之间的刚度差值大，因此应力就集中在刚度较小的部位即绝缘套管根部，结果即使是很小的震动，都会造成绝缘套管破碎、炸裂的问题，完全不能满足抗震需求。图1中项2表示设置于绝缘套管下端的连接法兰。 The bushing device is located at the end of the (H)GIS equipment and needs to be connected upward to the overhead line of the power station, and downward to the (H)GIS. It bears multiple functions of high voltage insulation load, mechanical load and insulation support. Therefore, the operation stability of the casing device will directly affect the stability of the overall operation of (H)GIS equipment. Once the casing device has a problem, it will definitely affect the operation of the entire power grid, which will bring huge losses to the society and the people. When the casing device is used in non-seismic areas, there will be no problems. However, when the casing device is used in areas with frequent and strong seismic activities such as Qinghai-Tibet and Tianshan, higher requirements are put forward for its operational stability. The bushing device used in the existing earthquake area is shown in Figure 1: it includes a bracket 4, a metal cylinder and a vertically installed insulating bushing 1. The insulating bushing is generally made of porcelain or glass steel, which is brittle and fragile. , easy to explode, the metal cylinder includes a sleeve connection cylinder 5 and a support cylinder 3 fixed on the casing connection cylinder, the support cylinder is used to connect with the connection cylinder on the GIS equipment, the existing design concept Yes: the insulating sleeve must withstand the forces in all directions brought about by internal air pressure, external wind pressure, external terminal tension, its own gravity and earthquake acceleration, plus the thin, high, soft, heavy and non-linear section of the insulating sleeve itself and other characteristics, the insulating casing becomes the weakest link in the seismic process. The characteristics of the support directly affect the dynamic influence coefficient of the support on the casing in the seismic experiment. The higher and the softer the support, the greater the dynamic amplification factor of the casing. , the stress on the casing is more severe. In order to reduce the impact of the bracket on the sleeve, the bracket is usually designed with relatively high rigidity and directly connected to the bottom of the sleeve. However, it has been found through practice that this structure can ensure that the insulating sleeve has a good performance during a non-earthquake, but during an earthquake, the support will directly transmit the seismic force to the insulating sleeve, because the gap between the support and the insulating sleeve The stiffness difference is large, so the stress is concentrated on the less rigid part, that is, the root of the insulating sleeve. As a result, even a small vibration will cause the insulating sleeve to break and burst, which cannot meet the seismic requirements at all. Item 2 in Figure 1 represents the connecting flange arranged at the lower end of the insulating sleeve.
发明内容 Contents of the invention
本发明的目的在于提供一种抗震型套管装置，以解决现有技术中在地震时绝缘套管下端应力较大而容易破碎、炸裂的问题；本发明的目的还在于提供一种该抗震型套管装置的用途。 The purpose of the present invention is to provide an anti-seismic bushing device to solve the problem in the prior art that the lower end of the insulating bushing has a large stress during an earthquake and is easy to break and burst; Use of casing devices.
为了解决上述问题，本发明中抗震型套管装置的技术方案为： In order to solve the above problems, the technical scheme of the anti-seismic casing device in the present invention is:
抗震型套管装置，包括支架、金属套筒和绝缘套管，绝缘套管的下端固定于所述金属套筒的上端上，金属套筒的刚度小于支架的刚度，金属套筒的下端与所述支架固定连接以在地震时通过金属套筒的自身形变来缓冲支架对绝缘套管的振动。 The anti-seismic sleeve device includes a bracket, a metal sleeve and an insulating sleeve. The lower end of the insulating sleeve is fixed on the upper end of the metal sleeve. The stiffness of the metal sleeve is less than that of the bracket. The support is fixedly connected to buffer the vibration of the support to the insulating sleeve through the deformation of the metal sleeve itself during an earthquake.
金属套筒由铝合金制成，金属套筒的壁厚为8~12mm。 The metal sleeve is made of aluminum alloy, and the wall thickness of the metal sleeve is 8~12mm.
所述金属套筒包括与绝缘套管同轴线设置的套管连接筒体及固设于套管连接筒体上的支筒体，绝缘套管同轴线固设于套管连接筒体的上端，套管连接筒体的下端固设于支架的上端。 The metal sleeve includes a sleeve connecting cylinder coaxially arranged with the insulating sleeve and a support cylinder fixed on the sleeve connecting cylinder, and the insulating sleeve coaxially is fixed on the sleeve connecting cylinder The upper end and the lower end of the sleeve connecting cylinder are fixedly arranged on the upper end of the bracket.
套管连接筒体的下端设置有筒体下法兰，筒体下法兰的下端设置有与筒体下法兰密封配合的筒体封板，筒体下法兰上设置有下法兰螺栓穿孔，筒体封板上设置有与下法兰螺栓穿孔对应设置的封板螺栓穿孔，支架上设置有与封板螺栓穿孔对应设置的支架螺栓穿孔，下法兰螺栓穿孔、封板螺栓穿孔和支架螺栓穿孔中穿装有锁紧螺栓。 The lower end of the casing connected to the cylinder is provided with a lower flange of the cylinder, the lower end of the lower flange of the cylinder is provided with a cylinder sealing plate which is sealingly matched with the lower flange of the cylinder, and the lower flange of the cylinder is provided with a lower flange bolt Perforation, the sealing plate of the cylinder body is provided with the sealing plate bolt perforation corresponding to the lower flange bolt perforation, the bracket is provided with the support bolt perforation corresponding to the sealing plate bolt perforation, the lower flange bolt perforation, the sealing plate bolt perforation and Locking bolts are installed in the bracket bolt holes.
支筒体的轴线沿前后方向延伸，支架包括竖向设置的支架本体及设置于支架本体上端的左支座和右支座，支架螺栓穿孔设置于左支座和右支座上。 The axis of the support cylinder extends along the front and back direction, and the support includes a vertical support body and a left support and a right support arranged on the upper end of the support body, and the support bolts are perforated on the left support and the right support.
本发明中抗震型套管装置的用途的技术方案为： The technical scheme of the purposes of anti-seismic type bushing device among the present invention is:
将上述抗震型套管装置应用于地震区中的绝缘高压开关设备中，当地震时，通过金属套筒的自身形变来缓冲支架对绝缘套管的振动。 The above-mentioned anti-seismic bushing device is applied to the insulating high-voltage switchgear in the earthquake zone. When an earthquake occurs, the vibration of the support to the insulating bushing is buffered by the deformation of the metal sleeve itself.
本发明的有益效果为：本发明中金属套筒连接于支架与绝缘套管之间，金属套筒的刚度小于支架的刚度，金属套筒的刚度相比支架而言更接近于绝缘套管，在地震时，金属筒体通过自身的形变来起到缓冲和释放能量的作用，使地震应力通过金属套筒进行释放，降低了绝缘套管的根部应力，有效的保护的瓷套。本发明与常规设计思路背道而驰，摈弃了传统将绝缘套管设置于支架上才能保证绝缘套管强度的观念，取得了预料不到的技术效果。 The beneficial effects of the present invention are: in the present invention, the metal sleeve is connected between the bracket and the insulating sleeve, the rigidity of the metal sleeve is smaller than that of the bracket, and the rigidity of the metal sleeve is closer to the insulating sleeve than the bracket, During an earthquake, the metal cylinder plays the role of buffering and releasing energy through its own deformation, so that the earthquake stress is released through the metal sleeve, which reduces the root stress of the insulating sleeve and effectively protects the porcelain sleeve. The invention runs counter to the conventional design idea, abandons the traditional concept that the strength of the insulating sleeve can only be guaranteed by arranging the insulating sleeve on the support, and achieves unexpected technical effects.
附图说明 Description of drawings
图1是本发明中现有技术的结构示意图； Fig. 1 is the structural representation of prior art among the present invention;
图2是本发明中抗震型套管装置的一个实施例的结构示意图。 Fig. 2 is a structural schematic diagram of an embodiment of the anti-seismic bushing device in the present invention.
具体实施方式 detailed description
抗震型套管装置的实施例如图2所示：包括支架4、金属套筒和竖向设置的绝缘套管1，金属套筒包括竖向设置的套管连接筒体3和轴向沿前后方向延伸的支筒体6，支筒体6焊接固定于套管连接筒体3上，金属套筒由壁厚为12mm的铝合金板制成，也就是说金属套筒为薄壁壳体结构，这样使得金属套筒具有形变能力，而铝合金材料可进一步的增加金属套筒的韧性，金属套筒的刚度小于支架的刚度。绝缘套管同轴线固设于套管连接筒体的上端，套管连接筒体的下端固设于支架的上端，支架包括竖向设置的支架本体及设置于支架本体上端的左支座和右支座，套管连接筒体的下端设置有筒体下法兰，筒体下法兰的下端设置有与筒体下法兰密封配合的筒体封板5，筒体下法兰上设置有下法兰螺栓穿孔，下法兰螺栓穿孔有16个，16个下法兰螺栓穿孔沿周向均匀间隔布置，筒体封板上设置有与下法兰螺栓穿孔对应设置的封板螺栓穿孔，封板螺栓穿孔的个数与下法兰螺栓穿孔的个数一一对应，支架的左、右支座上设置有与封板螺栓穿孔对应设置的支架螺栓穿孔，支架螺栓穿孔的个数少于下法兰螺栓穿孔的个数，本实施例中支架螺栓穿孔的个数为8个，8个支架螺栓穿孔与下法兰螺栓穿孔中的8个相对应，下法兰螺栓穿孔、封板螺栓穿孔和支架螺栓穿孔中穿装有锁紧螺栓。图中项2表示设置于绝缘套管下端的连接法兰。 The embodiment of the anti-seismic casing device is shown in Figure 2: it includes a bracket 4, a metal sleeve and a vertically arranged insulating casing 1, and the metal sleeve includes a vertically arranged casing connecting cylinder 3 and the axial direction is along the front and rear directions The extended support cylinder 6 is welded and fixed on the casing connecting cylinder 3, and the metal sleeve is made of aluminum alloy plate with a wall thickness of 12mm, that is to say, the metal sleeve is a thin-walled shell structure. This makes the metal sleeve deformable, and the aluminum alloy material can further increase the toughness of the metal sleeve, and the rigidity of the metal sleeve is lower than that of the bracket. The coaxial line of the insulating sleeve is fixed on the upper end of the sleeve connecting cylinder, and the lower end of the sleeve connecting cylinder is fixed on the upper end of the bracket. The bracket includes a vertically arranged bracket body and a left support arranged on the upper end of the bracket body and On the right support, the lower end of the casing connected to the cylinder is provided with a cylinder lower flange, and the lower end of the cylinder lower flange is provided with a cylinder sealing plate 5 that is sealingly matched with the cylinder lower flange, and the cylinder lower flange is provided with a There are holes for lower flange bolts. There are 16 holes for lower flange bolts. The 16 holes for lower flange bolts are evenly spaced along the circumference. , the number of bolt holes on the sealing plate corresponds to the number of bolt holes on the lower flange. The left and right supports of the bracket are provided with bracket bolt holes corresponding to the holes of the sealing plate bolts, and the number of bracket bolt holes is small. Based on the number of bolt holes in the lower flange, the number of hole bolts in the present embodiment is 8, and the 8 hole bolts in the bracket correspond to the 8 holes in the bolt holes in the lower flange. Locking bolts are installed in the bolt piercing holes and the bracket bolt piercing holes. Item 2 in the figure represents the connecting flange arranged at the lower end of the insulating sleeve.
使用时，需要使用到三个所述的抗震型套管装置，分别对应绝缘高压开关设备的三个进线母线，金属套筒的支筒体与绝缘高压开关设备的母线筒相连，以此实现架空线与绝缘高压开关设备的连接，绝缘高压开关设备可以是GIS，也可以是HGIS，将绝缘高压开关设备和抗震型套管装置应用于地震区中，如发生地震，利用金属套筒的形变来释放地震作用力，实现振动的缓冲，从而保护绝缘套管；同时该结构还有利于降低支架的高度，降低支架的制作成本。 When in use, three anti-seismic bushing devices need to be used, corresponding to the three incoming busbars of the insulated high-voltage switchgear, and the support cylinder of the metal sleeve is connected with the busbar barrel of the insulated high-voltage switchgear, so as to realize The connection between the overhead line and the insulated high-voltage switchgear. The insulated high-voltage switchgear can be GIS or HGIS. The insulated high-voltage switchgear and the anti-seismic bushing device are applied in the earthquake zone. If an earthquake occurs, the deformation of the metal sleeve is used To release the seismic force, to achieve vibration buffering, thereby protecting the insulating sleeve; at the same time, this structure is also conducive to reducing the height of the support and reducing the manufacturing cost of the support.
在本发明的其它实施例中：套管连接筒体与支筒体还可以倾斜设置；金属套筒的壁厚还可以是8~12mm以内的其它值，或者根据特殊需求，金属套筒的壁厚也可以是8~12mm以外的其它值，只要能够满足在震时，金属套筒具有形变能力即可；金属套筒还可以由钢或其它金属材料制成；支筒体也可以不直接固定于套管连接筒体上，比如说在套管连接筒体与支筒体之间设置过渡筒体。 In other embodiments of the present invention: the casing connecting the cylinder body and the supporting cylinder body can also be arranged obliquely; the wall thickness of the metal sleeve can also be other values within 8~12mm, or according to special requirements, the wall thickness of the metal sleeve The thickness can also be other values than 8~12mm, as long as it can satisfy the deformation ability of the metal sleeve during the earthquake; the metal sleeve can also be made of steel or other metal materials; the support cylinder can also not be directly fixed On the casing connecting cylinder, for example, a transition cylinder is arranged between the casing connecting cylinder and the supporting cylinder.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510805685.1A CN105387124B (en) | 2015-11-20 | 2015-11-20 | Anti-seismic casing bit and application thereof |
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| CN201510805685.1A CN105387124B (en) | 2015-11-20 | 2015-11-20 | Anti-seismic casing bit and application thereof |
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| CN105387124A true CN105387124A (en) | 2016-03-09 |
| CN105387124B CN105387124B (en) | 2018-11-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679916A (en) * | 2016-12-23 | 2017-05-17 | 中国电力科学研究院 | Anti-seismic experimental method and test system of GIS device |
| CN111193194A (en) * | 2019-12-17 | 2020-05-22 | 平高集团有限公司 | A GIS casing bracket and its main body |
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| CN104299730A (en) * | 2014-10-30 | 2015-01-21 | 国家电网公司 | Anticorona flange for extra-high voltage post insulator |
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| JPH05311925A (en) * | 1992-05-13 | 1993-11-22 | Sanwa Tekki Corp | Damping supporter for tower-shaped structure |
| JP2006275100A (en) * | 2005-03-28 | 2006-10-12 | Nippon Steel Corp | Metal hollow tube damper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106679916A (en) * | 2016-12-23 | 2017-05-17 | 中国电力科学研究院 | Anti-seismic experimental method and test system of GIS device |
| CN111193194A (en) * | 2019-12-17 | 2020-05-22 | 平高集团有限公司 | A GIS casing bracket and its main body |
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| Publication number | Publication date |
|---|---|
| CN105387124B (en) | 2018-11-30 |
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