CN213025686U

CN213025686U - Extra-high voltage dry-type hollow smoothing reactor

Info

Publication number: CN213025686U
Application number: CN202021444687.5U
Authority: CN
Inventors: 温遨瑜; 姚继宇
Original assignee: Liaoning Xinjun Electrical Co ltd
Current assignee: Liaoning Xinjun Electrical Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-04-20
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses an empty core smoothing reactor of extra-high voltage dry-type, including the reactor, the insulating support is installed to the bottom of reactor, the inboard of insulating support is provided with the lacing wire device, the lacing wire device includes the center post with reactor looks rigid coupling, the outside rigid coupling of center post has a plurality of lacing wires, the outer tip rigid coupling of lacing wire has the assembly plate. This empty core smoothing reactor of extra-high voltage dry-type supports the reactor through setting up the center post to play the effect of main support, through designing the center post, can install the center post in advance before reactor and insulating support are installed, be convenient for more place the overall arrangement of position to the reactor, it is also more convenient at the in-process of installation reactor simultaneously, directly fix the reactor at the top of center post can, and in follow-up use, it is fixed through the dual support of center post and insulating support, very big stability of having strengthened the reactor.

Description

Extra-high voltage dry-type hollow smoothing reactor

Technical Field

The utility model relates to a reactor technical field specifically is an empty core smoothing reactor of extra-high voltage dry-type.

Background

The development of the ultra-high voltage and other high-capacity, high-efficiency and long-distance advanced power transmission technology is a clear requirement put forward by the national twelve-five planning compendium. The development of extra-high voltage is the most important of the development of the twelve-five power grid, and the direct-current transmission project is an important component of the power grid. The extra-high voltage dry-type hollow smoothing reactor is used as main equipment in extra-high voltage direct current transmission engineering, is connected in series in a system, and is indispensable key main equipment for normal operation of a converter station. The method has important effects on limiting overcurrent when the voltage of the inversion side collapses, stabilizing ripples in transmitted direct current, preventing the influence of overvoltage invading a converter station along a direct current line on the insulation of the converter valve, keeping the direct current uninterrupted under the low-load working condition and the like.

The extra-high voltage dry-type hollow smoothing reactor is positioned at a high potential, the electric field at the end part is concentrated, and the end-to-ground insulation level is far higher than that of a common reactor, so that the extra-high voltage dry-type hollow smoothing reactor is very important for a ground insulation support structure of the extra-high voltage dry-type hollow smoothing reactor. The post insulator is used as an earth insulation support of the dry type smoothing reactor, and not only needs to provide enough support height to ensure the end-to-earth insulation level of the smoothing reactor, but also needs to provide enough support strength to ensure the safe operation of the extra-high voltage dry type smoothing reactor under earthquake intensity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extra-high voltage dry-type hollow smoothing reactor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an empty core smoothing reactor of extra-high voltage dry-type, includes the reactor, the insulating support is installed to the bottom of reactor, the inboard of insulating support is provided with the lacing wire device, the lacing wire device includes the center post with reactor looks rigid coupling, the bottom rigid coupling of center post has the bottom plate, be provided with fastening screw on the bottom plate, the outside rigid coupling of center post has a plurality of lacing wires, the outer tip rigid coupling of lacing wire has the assembly plate, assembly plate and insulating support looks rigid coupling, the assembly plate includes left assembly plate and right assembly plate, left side assembly plate and right assembly plate butt joint end all are provided with the notch that makes left assembly plate and right assembly plate block of each other.

Preferably, the center post is arranged at the center of a bottom diagonal line of the reactor.

Preferably, the central column comprises an upper column body fixedly connected with the reactor and a lower column body fixedly connected with the assembling plate, and the upper column body is connected with the lower column body through a spring.

Preferably, the contact end face of the upper cylinder and the lower cylinder is provided with a rubber sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: this empty core smoothing reactor of extra-high voltage dry-type supports the reactor through setting up the center post to play the effect of main support, through designing the center post, can install the center post in advance before reactor and insulating support are installed, be convenient for more place the overall arrangement of position to the reactor, it is also more convenient at the in-process of installation reactor simultaneously, directly fix the reactor at the top of center post can, and in follow-up use, it is fixed through the dual support of center post and insulating support, very big stability of having strengthened the reactor.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the lacing wire device of the present invention;

FIG. 3 is a schematic structural view of the assembly plate of the present invention;

FIG. 4 is a schematic view of the structure of the engaging notch of the present invention;

fig. 5 is a schematic view of the bottom plate structure of the present invention.

In the figure: 1. the device comprises a reactor, 2, an insulating support, 3, a lacing bar device, 301, a central column, 3011, an upper column body, 3012, a lower column body, 3013, a rubber sleeve, 3014, a spring, 3015, a bottom plate, 3016, a fastening screw, 302, a lacing bar, 303, an assembly plate, 3031, a left assembly plate, 3032, a right assembly plate, 3033 and a notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an extra-high voltage dry-type hollow smoothing reactor comprises a reactor 1, an insulating support 2 is arranged at the bottom of the reactor 1, a lacing wire device 3 is arranged at the inner side of the insulating support 2, the lacing wire device 3 comprises a central column 301 fixedly connected with the reactor 1, the central column 301 is arranged at the diagonal center of the bottom of the reactor 1, the reactor 1 is supported by arranging the central column 301, and plays a main supporting role, the center post can be pre-installed before the reactor 1 and the insulating bracket 2 are installed by designing the center post 301, the arrangement of the reactor placing position is more convenient, meanwhile, the process of installing the reactor is more convenient, the reactor 1 is directly fixed on the top of the center post 301, and in the subsequent use process, the stability of the reactor 1 is greatly enhanced through the double supporting and fixing of the central column 301 and the insulating bracket 2.

The bottom of the central column 301 is fixedly connected with a bottom plate 3015, a fastening screw 3016 is arranged on the bottom plate 3015, and the bottom plate 3015 and the central column 301 are fixed on the ground by using the fastening screw 3016.

Center post 301 includes last cylinder 3011 with reactor 1 looks rigid coupling and the lower cylinder 3012 with assembly plate 303 looks rigid coupling, it links to each other with lower cylinder 3012 through spring 3014 to go up cylinder 3011, separate into two cylinders with center post 301 and adopt spring 3014 to be connected, not only can make two cylinders form wholly to support the reactor, can also slow down the shaking force through the spring when taking place the earthquake simultaneously, make center post 301 can not break and lead to reactor 1 to drop and damage, very big improvement the security.

The contact end face of the upper column 3011 and the lower column 3012 is provided with a rubber sleeve 3013, and the rubber sleeve 3013 can not only assist the spring to reduce the vibration force, but also can make the two columns butt joint to fix the position.

Center post 301's outside rigid coupling has a plurality of lacing wires 302, the outer tip rigid coupling of lacing wire 302 has assembly plate 303, assembly plate 303 and insulating support 2 looks rigid coupling, assembly plate 303 includes left assembly plate 3031 and right assembly plate 3032, left side assembly plate 3031 and right assembly plate 3032 butt joint end all are provided with the notch 3033 that makes left assembly plate 3031 and right assembly plate 3032 block of each other, lacing wire 302 fixes on center post 301 after, the assembly plate 303 of the other end is fixed on the flange of insulating support 2, for the convenience of assembly, design into about assembly plate 303 two semicircular assembly plates, the cover is established on the flange on insulating support 2 after, make the notch butt joint lock of two assembly plates, fixing the assembly plate on the lacing wire, fix the assembly plate on the flange of insulating support 2 simultaneously.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an extra-high voltage dry-type hollow smoothing reactor, includes reactor (1), insulating support (2), its characterized in that are installed to the bottom of reactor (1): the inner side of the insulating support (2) is provided with a lacing wire device (3), the lacing wire device (3) comprises a central column (301) fixedly connected with the reactor (1), the bottom of the central column (301) is fixedly connected with a bottom plate (3015), a fastening screw (3016) is arranged on the bottom plate (3015), a plurality of lacing wires (302) are fixedly connected to the outer side of the central column (301), an assembling plate (303) is fixedly connected to the outer end of the lacing wires (302), the assembling plate (303) is fixedly connected with the insulating support (2), the assembling plate (303) comprises a left assembling plate (3031) and a right assembling plate (3032), and butt ends of the left assembling plate (3031) and the right assembling plate (3032) are provided with notches (3033) for enabling the left assembling plate (3031) and the right assembling plate (3032) to be clamped mutually.

2. The extra-high voltage dry-type air-core smoothing reactor according to claim 1, characterized in that: the center post (301) is arranged at the center of a diagonal line at the bottom of the reactor (1).

3. The extra-high voltage dry-type air-core smoothing reactor according to claim 1, characterized in that: the central column (301) comprises an upper column body (3011) fixedly connected with the reactor (1) and a lower column body (3012) fixedly connected with the assembling plate (303), and the upper column body (3011) is connected with the lower column body (3012) through a spring (3014).

4. The extra-high voltage dry-type air-core smoothing reactor according to claim 3, characterized in that: the contact end face of the upper column body (3011) and the lower column body (3012) is provided with a rubber sleeve (3013).