CN212183384U - Support frame suitable for extra-high voltage converter valve - Google Patents
Support frame suitable for extra-high voltage converter valve Download PDFInfo
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- CN212183384U CN212183384U CN202020753153.4U CN202020753153U CN212183384U CN 212183384 U CN212183384 U CN 212183384U CN 202020753153 U CN202020753153 U CN 202020753153U CN 212183384 U CN212183384 U CN 212183384U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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Abstract
The utility model discloses a support frame suitable for an extra-high voltage converter valve, which comprises a valve base insulation mechanism arranged below the converter valve and an inter-tower insulator mechanism arranged between two adjacent converter valves; the valve base insulation mechanism comprises at least two groups of insulation support assemblies which are arranged in parallel along the height direction, each insulation support assembly comprises a plurality of vertical insulators which are arranged in parallel and have equal length and two diagonal-pulling insulators which are arranged between two adjacent vertical insulators in a crossed manner, and the corresponding vertical insulators in different insulation support assemblies are arranged in a collinear manner; the inter-tower insulator mechanism comprises a plurality of inter-tower insulators which are arranged in a matrix and transversely arranged, and two ends of each inter-tower insulator are connected with the side walls of the converter valves on two sides. The utility model discloses can solve because of the support frame highly higher lead to draw insulator to one side great with the horizontal direction contained angle to can't provide the problem that seismic force was resisted to sufficient horizontal component force.
Description
Technical Field
The utility model belongs to electric wire netting support frame field, concretely relates to support frame suitable for extra-high voltage converter valve.
Background
In the field of direct current transmission, the flexible direct current transmission technology has the advantage of independently adjusting active power and reactive power, can transmit power to a passive network, and overcomes the essential defect of the traditional HVDC, so that the flexible direct current transmission is rising in a large range, and a supporting structure is adopted due to the fact that the sub-units are heavy in weight and large in number.
With continuous innovation of devices and technical breakthrough of other key devices in a system, flexible direct current transmission is developing towards high voltage and large capacity, and the converter valve is higher and heavier. The conventional support type converter valve tower mostly adopts a mode that the adjacent valve base insulators are directly arranged in an up-down crossed mode, so that the problem that when the distance between the two valve base insulators is short, the height of the insulators is high, and the included angle between the inclined pull insulator and the horizontal direction is large, enough horizontal component force cannot be provided to resist earthquake force is brought, meanwhile, the earthquake-resistant requirement of engineering is more and more strict, and therefore the support problem of the converter valve is urgently solved.
On the other hand, the extra-high voltage direct current converter valve is heavy in weight and high in height, and the bottom support insulator is mostly provided with the insulator with the large-diameter core rod, so that the insulator is necessary to be prevented from being damaged, and therefore, the maintenance and replacement of the bottom large-diameter core rod valve base insulator are more important.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a support frame for extra-high voltage converter valve.
Realize above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a support frame suitable for an extra-high voltage converter valve comprises a valve base insulation mechanism arranged below the converter valve and an inter-tower insulator mechanism arranged between two adjacent converter valves; the valve base insulation mechanism comprises at least two groups of insulation support assemblies which are arranged in parallel along the height direction, each insulation support assembly comprises a plurality of vertical insulators which are arranged in parallel and have equal length and two diagonal-pulling insulators which are arranged between two adjacent vertical insulators in a crossed manner, and the corresponding vertical insulators in different insulation support assemblies are arranged in a collinear manner; the inter-tower insulator mechanism comprises a plurality of inter-tower insulators which are arranged in a matrix and transversely arranged, and two ends of each inter-tower insulator are connected with the side walls of the converter valves on two sides.
As a further improvement of the utility model, the included angle between the diagonal insulator and the horizontal plane is 30 ︒ -45 ︒.
As the utility model discloses a further improvement, upper and lower adjacent two the vertical insulator that insulating bracket component passes through flange joint spare and connects each group's collinear position.
As a further improvement of the present invention, it is the same that the length of the vertical insulator in the insulating support assembly is the same, different the length of the vertical insulator in the insulating support assembly is the same or different.
As a further improvement of the present invention, the insulating support assembly is rectangular along the bottom surface of the supported converter valve.
As a further improvement, the oblique-pulling insulator is a length-adjustable insulator.
As a further improvement, the inter-tower insulator is an elastic pull rod type insulator or a supporting insulator.
The utility model has the advantages that:
(1) the utility model provides a support frame, the insulation support structure who connects from top to bottom that disassembles single insulation support for a plurality of components of a whole that can function independently according to the mounting height of converter valve can solve conventional support formula converter valve tower near because of two adjacent vertical insulator distances, and the support frame height is higher draws insulator and horizontal direction contained angle to one side that leads to great to can't provide the problem that seismic force is resisted to sufficient horizontal component.
(2) The mode that the oblique-pulling insulators are arranged in an up-and-down grouping mode is adopted, and the oblique-pulling insulators are tightened and loosened in a segmented mode for adjustment, so that the valve tower installation and the valve base insulator replacement are facilitated.
Drawings
FIG. 1 is a schematic front view of an embodiment of a support frame structure of the present invention;
FIG. 2 is a schematic side view of an embodiment of a support frame structure of the present invention;
wherein: 1-vertical insulator, 2-diagonal insulator, 3-inter-tower insulator and 4-connecting piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following description is made in detail for the application of the principles of the present invention with reference to the accompanying drawings.
The utility model relates to a support frame suitable for extra-high voltage converter valve that is shown in fig. 1-2, including locating the valve base insulating mechanism of converter valve below and setting up the inter-tower insulator mechanism between two adjacent converter valves.
Valve base insulating mechanism include at least two sets of insulating bracket component along direction of height parallel arrangement, insulating bracket component include a plurality of parallel arrangement's isometric vertical insulator 1 and set up and be two of cross arrangement between two adjacent vertical insulators 1 and draw insulator 2 to one side, corresponding vertical insulator 1 collineation setting among the different insulating bracket components. Adopt a plurality of insulation support assemblies to pass through connecting piece 4 fixed linking to each other, in order to avoid the converter valve mounting height too high, adopt single insulation support assembly to cause to draw insulator 2 and the great unable sufficient horizontal component power that provides of horizontal direction contained angle.
Specifically, the insulating support assembly is arranged in a rectangular mode along the bottom face of the supported converter valve, and the stability of the whole structure is guaranteed. The included angle between the cable-stayed insulator 2 and the horizontal plane is 30 ︒ -45 ︒, and valve-based insulating mechanisms with proper number can be designed according to the control of the included angle between the cable-stayed insulator 2 and the horizontal plane.
Further, the lengths of the vertical insulators 1 in different insulating support assemblies may be the same or different, but the lengths of the vertical insulators 1 in the same insulating support assembly are the same.
The embodiment of the utility model provides an in, oblique pull insulator 2 be length-adjustable insulator, can be taut and relax through the mode of adjusting self length. And connecting and fixing vertical insulators 1 at the collinear positions of each group of the two vertically adjacent insulating support assemblies by using a flange as a connecting piece 4 to complete the connection of the whole valve base insulating mechanism.
The inter-tower insulator mechanism comprises a plurality of inter-tower insulators 3 which are arranged in a matrix and transversely arranged, and two ends of each inter-tower insulator 3 are connected with the side walls of the converter valves on two sides.
In the embodiment of the present invention, the inter-tower insulator 3 is an elastic pull rod insulator or a support insulator.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a support frame suitable for extra-high voltage converter valve which characterized in that: the converter comprises a valve base insulation mechanism arranged below the converter valves and an inter-tower insulator mechanism arranged between two adjacent converter valves;
the valve base insulation mechanism comprises at least two groups of insulation support assemblies which are arranged in parallel along the height direction, each insulation support assembly comprises a plurality of vertical insulators which are arranged in parallel and have equal length and two diagonal-pulling insulators which are arranged between two adjacent vertical insulators in a crossed manner, and the corresponding vertical insulators in different insulation support assemblies are arranged in a collinear manner;
the inter-tower insulator mechanism comprises a plurality of inter-tower insulators which are arranged in a matrix and transversely arranged, and two ends of each inter-tower insulator are connected with the side walls of the converter valves on two sides.
2. The support frame suitable for the extra-high voltage converter valve according to claim 1, is characterized in that: the included angle between the diagonal insulator and the horizontal plane is 30 ︒ -45 ︒.
3. The support frame suitable for the extra-high voltage converter valve according to claim 1, is characterized in that: and the two vertically adjacent insulating support assemblies are connected with the vertical insulator at each group of collinear positions through a flange connecting piece.
4. The support frame suitable for the extra-high voltage converter valve according to any one of claims 1-3, wherein: the length of the vertical insulator in the same insulating support assembly is the same, and the length of the vertical insulator in different insulating support assemblies is the same or different.
5. The support frame suitable for the extra-high voltage converter valve according to claim 1, is characterized in that: the insulating bracket assembly is arranged in a rectangular shape along the bottom surface of the supported converter valve.
6. The support frame suitable for the extra-high voltage converter valve according to claim 1, is characterized in that: the diagonal insulator is a length-adjustable insulator.
7. The support frame suitable for the extra-high voltage converter valve according to claim 1, is characterized in that: the inter-tower insulator is an elastic pull rod type insulator or a supporting insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020753153.4U CN212183384U (en) | 2020-05-09 | 2020-05-09 | Support frame suitable for extra-high voltage converter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020753153.4U CN212183384U (en) | 2020-05-09 | 2020-05-09 | Support frame suitable for extra-high voltage converter valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212183384U true CN212183384U (en) | 2020-12-18 |
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ID=73774663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020753153.4U Active CN212183384U (en) | 2020-05-09 | 2020-05-09 | Support frame suitable for extra-high voltage converter valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212183384U (en) |
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2020
- 2020-05-09 CN CN202020753153.4U patent/CN212183384U/en active Active
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