CN204761304U - Change of current valve tower - Google Patents
Change of current valve tower Download PDFInfo
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- CN204761304U CN204761304U CN201520447019.0U CN201520447019U CN204761304U CN 204761304 U CN204761304 U CN 204761304U CN 201520447019 U CN201520447019 U CN 201520447019U CN 204761304 U CN204761304 U CN 204761304U
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- valve tower
- valve
- tower body
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- 239000012212 insulator Substances 0.000 claims abstract description 49
- 230000004323 axial length Effects 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims description 53
- 230000003534 oscillatory effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 12
- 239000010410 layer Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000005428 wave function Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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Abstract
The utility model relates to a change of current valve tower. Change of current valve tower, include valve tower body and the supporting insulator who is used for sutaining valve tower body, still including the hanging device who suspends the roof beam in midair who is arranged in the junction valve tower body and the valve room, hanging device is including the axial length's that is used for adjusting self the guiding mechanism that suspends in midair, thus, through the adjustment of suspending guiding mechanism in midair, the tensile force that holding power that valve tower body can provide through the supporting insulator of bottom and hanging device provided is fixed, hanging device can displacement and the stress of greatly reduced valve tower under the seismic wave effect, thereby can reduce valve tower supporting insulator's intensity designing requirement by a wide margin, make the valve tower to stack more valve set spares according to the demand, reduce valve tower quantity, be favorable to reducing valve room area occupied, simultaneously, because valve tower bottom sprag insulator provides the holding power, it can reduce greatly to suspend the tensile stress that the roof beam need bear in midair, has reduced the designing requirement of suspending the roof beam to the valve tower in midair for the valve room design degree of difficulty reduces by a wide margin.
Description
Technical field
The utility model relates to a kind of converter valve tower.
Background technology
Along with the growth of economy and improving constantly of living standards of the people, the demand of China to electric energy is more and more higher, and China's energy and power reserve skewness, therefore how efficiently to solve large focus and the difficult point that electric power resource transportation problem is current electric and electronic technical field.The most frequently used is UHV AC transmission technique at present, but due to the resistance loss that there is wire and the loss exchanging induction reactance, when circuit is long, the electric energy of conveying will all consume on transmission line, therefore ac transmission can not do too long distance power transmission, studies energetically, develops HVDC Transmission Technology and become necessary.Current HVDC Transmission Technology needs to use converter valve tower, and converter valve tower is generally suspension type or brace type structure.Remote high power DC current transmission valve valve tower mainly adopts suspension type structure at present, and mainly adopts brace type structure for the flexible direct current transmission converter valve valve tower of Novel light direct current transportation.
Direct-current transmission converter valve due to transmission capacity large, current/voltage grade is high, main employing suspension type valve tower structure, as application number be 201410510183.1, application publication number converter valve tower disclosed in the Chinese patent of CN104270016A, comprise valve tower body and suspension insulator, the valve layer that valve tower body comprises end radome, top radome and is arranged between the two, each valve layer is equipped with multiple valve module, and the upper end of valve tower body is connected by the suspention beam (being generally girder steel) that suspension insulator is corresponding with the valve Room and realizes suspending in midair.This type of valve tower structure has excellent earthquake resistance, advantages of simple structure and simple, but very high designing requirement is proposed to valve Room suspention girder steel, need to possess very high intensity, and there is relative shaking phenomenon between valve layer, because suspension insulator can only bear longitudinal pulling force, cannot shearing force be born, therefore there is the degree of freedom of horizontal direction, valve tower overall operation stability and shock resistance decline.
Flexible direct current transmission converter valve due to transmission capacity less, the features such as electric current and voltage lower grade, extensively adopt brace type valve tower structure at present, it is simple that this design has structure, the advantages such as in-site installation is convenient, if application number is 201420003885.6, application publication number is converter valve tower disclosed in the Chinese patent of CN203691212U, comprise valve tower body and be arranged on the supporting insulator below valve tower body, valve tower body and suspension type similar, also end radome is comprised, top radome and the valve layer be arranged between the two, each valve layer is equipped with multiple valve module.This type of this structure is in order to adapt to supporting insulator and the restriction of valve tower supporting piece structure intensity, and valve tower vertical direction can only stack less converter valve components, and therefore valve tower quantity is more, and require that valve Room area is very large, anti-seismic performance is poor.In order to promote supporting insulator anti-seismic performance, need significantly to promote insulator mechanical strength, manufacturing cost is very high.
Utility model content
The purpose of this utility model is to provide a kind of converter valve tower, high to girder steel designing requirement to solve suspension type valve tower in prior art, and brace type valve tower needs the problem that the valve tower quantity of setting is many.
The technical scheme that a kind of converter valve tower of the utility model adopts is: converter valve tower, comprise valve tower body and the supporting insulator for sutaining valve tower body, also comprise the suspension apparatus for the suspention beam in connection valve tower body and the valve Room, described suspension apparatus comprises the suspention adjusting mechanism of the axial length for adjusting self.
Described suspension apparatus comprises suspension insulator, is separately positioned on the suspention beam syndeton at the two ends of suspension insulator and valve tower body connection structure, and described suspention adjusting mechanism is arranged in described suspention beam syndeton and/or valve tower body connection structure.
To be connected by valve tower body flexible linking device between described suspension apparatus with described valve tower body and can opposing oscillatory in the horizontal direction.
Described suspension apparatus comprises the suspention beam flexible linking device for flexibly connecting with suspention beam with suspention beam opposing oscillatory in the horizontal direction.
Described suspention beam flexible linking device is fixed on U bolt on suspention beam primarily of for opening up and form for the suspension ring that coordinate with the U-shaped connecting portion of U bolt or suspension hook.
Described suspention adjusting mechanism is formed by turn buckle.
Described valve tower body is provided with more than two rows arranged side by side, is provided with oblique pull insulator between the supporting insulator of two adjacent valve tower body lower part.
The utility model adopts technique scheme, converter valve tower comprises valve tower body and the supporting insulator for sutaining valve tower body, also comprise the suspension apparatus for the suspention beam in connection valve tower body and the valve Room, described suspension apparatus comprises the suspention adjusting mechanism of the axial length for adjusting self, like this, valve tower forms half suspention half brace type valve tower, by suspending the adjustment of adjusting mechanism in midair, the support force that valve tower body can be provided by the supporting insulator of bottom and the tensile force that suspension apparatus provides are fixed, suspension apparatus can reduce the displacement of valve tower under ground seismic wave function and stress greatly, thus significantly can reduce the requirement of strength design of valve tower supporting insulator, make valve tower can stack more converter valve components by demand, reduce valve tower quantity, be conducive to reducing valve Room area occupied, meanwhile, because valve tower bottom supporting insulator provides support force, suspention beam needs the tension stress of bearing greatly to reduce, and reduces the designing requirement to valve tower suspention beam, valve Room design difficulty is significantly reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of a kind of converter valve tower in the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the partial enlarged drawing suspending beam flexible linking device in Fig. 1 in midair.
The name that in figure, each Reference numeral is corresponding is called: 10-valve tower body, radome at the bottom of 11-, and 12-pushes up radome, 13-valve module, 14-interlayer support insulator, 21-supporting insulator, 22-oblique pull insulator, 30-suspension insulator, 31-turn buckle, 32-suspension ring, 33-U shape bolt, the I-shaped contiguous block of 34-, 35-suspends beam in midair.
Embodiment
In the utility model, an a kind of embodiment of converter valve tower as shown in Figure 1-Figure 3, this converter valve tower is a kind of half novel suspention half brace type valve tower, based on brace type valve tower structure, comprise valve tower body 10 and the supporting insulator 21 for sutaining valve tower body 10, the structure of valve tower body 10 is identical with the structure of brace type valve tower in prior art with the structure of supporting insulator 21, repeats no more herein.
The top girder steel of valve tower body 10 is connected with suspension insulator 30 by valve tower body flexible linking device, the form that this valve tower body flexible linking device adopts suspension ring to be connected with U bolt, form valve tower body connection structure, making between suspension insulator 30 and described valve tower body 10 can opposing oscillatory in the horizontal direction.The top of suspension insulator 30 is provided with the suspention beam syndeton for being connected with the suspention beam 35 in the valve Room, suspention beam syndeton comprises turn buckle 31 and for opening up the U bolt 33 be fixed on suspention beam 35, turn buckle 31 two ends are provided with the suspension ring 32 be connected with suspension insulator 30 and U bolt 33 respectively of spinning, U bolt 33 is fixed on suspention beam 35 by I-shaped contiguous block 34, the upper surface of I-shaped contiguous block 34 is fixedly connected with suspention beam 35 by bolt, lower end is provided with the perforation of passing for U bolt 33 end, and fixed by nut and U bolt 33.Turn buckle 31 forms the suspention adjusting mechanism of the overall axial length for adjusting suspention beam syndeton, easy to adjust, is convenient to make each U revolve hanging beam syndeton uniform stressed.Identical with valve tower body flexible linking device, formed between the suspension ring 32 of turn buckle 31 and U bolt 33 and suspend beam flexible linking device in midair, the opposing oscillatory in the horizontal direction for making described suspension insulator 30 and suspention beam 35 flexibly connect.Valve tower body flexible linking device and suspention beam flexible linking device can reduce the stress that suspension insulator 30 under ground seismic wave function bears better, effectively prevent suspension insulator 30 from damaging.
During assembling, to arrange two valve tower bodies 10 arranged side by side, first, ground, the valve Room is installed the supporting insulator 21 being used for sutaining valve tower body 10, between the supporting insulator 21 of two adjacent valve tower body 10 bottoms, is provided with oblique pull insulator 22.Then, supporting insulator 21 is installed the converter valve components 13 of ground floor, after the converter valve components 13 of ground floor installs, supporting insulator 14 between mounting layer, place the converter valve components 13 of the second layer again, in this order, the lamination completing all converter valve components 13 successively is from bottom to top placed.Then, after the converter valve components 13 of top installs, valve tower body flexible linking device and suspention beam flexible linking device are installed respectively on the framework of valve tower top bodies top and on the top suspension beam of the valve Room, by suspension insulator 30 and turn buckle 31, two flexible linking devices are coupled together.Finally, need to install end radome 11 and top radome 12 according to design at valve top of tower and bottom, whole valve tower installs.
In the above-described embodiments, suspension apparatus comprises suspension insulator 30, is separately positioned on the suspention beam syndeton at the two ends of suspension insulator 30 and valve tower body connection structure, suspention beam syndeton comprises turn buckle 31 and U bolt 33, and turn buckle 31 forms suspention adjusting mechanism.In other embodiments of the present utility model, suspension apparatus also can replace with other forms, as long as the connection of valve tower body 10 and the suspention beam 35 in the valve Room can be realized and comprise and suspend adjusting mechanism, such as, make that suspension insulator 30 is direct to be fixedly connected with valve tower or hinged; And suspend beam syndeton in midair and also can be arranged to other forms, be such as arranged to the form of stud, suspention beam 35 arranges stud perforation, stud is through relying on nut check after stud perforation and realizing the adjustment of overall axial length.
In addition, in the above-described embodiments, converter valve tower is biserial form, and in other embodiments, converter valve tower also can be arranged to columnar version or multi-column version.And valve tower body flexible linking device and suspention beam flexible linking device also can replace with other forms in above-described embodiment, such as, both exchanged, in suspention beam flexible linking device, suspension hook also can replace to the form of suspension ring 32; Moreover suspention adjusting mechanism also can be arranged on suspension insulator 30 lower end, or is arranged on the top and bottom of suspension insulator 30 simultaneously.
Claims (7)
1. a converter valve tower, comprise valve tower body and the supporting insulator for sutaining valve tower body, it is characterized in that: also comprise the suspension apparatus for the suspention beam in connection valve tower body and the valve Room, described suspension apparatus comprises the suspention adjusting mechanism of the axial length for adjusting self.
2. a kind of converter valve tower according to claim 1, it is characterized in that: described suspension apparatus comprises suspension insulator, is separately positioned on the suspention beam syndeton at the two ends of suspension insulator and valve tower body connection structure, and described suspention adjusting mechanism is arranged in described suspention beam syndeton and/or valve tower body connection structure.
3. a kind of converter valve tower according to claim 1 and 2, is characterized in that: be connected by valve tower body flexible linking device between described suspension apparatus with described valve tower body and can opposing oscillatory in the horizontal direction.
4. a kind of converter valve tower according to claim 1 and 2, is characterized in that: described suspension apparatus comprises the suspention beam flexible linking device for flexibly connecting with suspention beam with suspention beam opposing oscillatory in the horizontal direction.
5. a kind of converter valve tower according to claim 4, is characterized in that: described suspention beam flexible linking device is fixed on U bolt on suspention beam primarily of for opening up and form for the suspension ring that coordinate with the U-shaped connecting portion of U bolt or suspension hook.
6. a kind of converter valve tower according to claim 1 and 2, is characterized in that: described suspention adjusting mechanism is formed by turn buckle.
7. a kind of converter valve tower according to claim 1 and 2, is characterized in that: described valve tower body is provided with more than two rows arranged side by side, is provided with oblique pull insulator between the supporting insulator of two adjacent valve tower body lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520447019.0U CN204761304U (en) | 2015-06-26 | 2015-06-26 | Change of current valve tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520447019.0U CN204761304U (en) | 2015-06-26 | 2015-06-26 | Change of current valve tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204761304U true CN204761304U (en) | 2015-11-11 |
Family
ID=54475972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520447019.0U Active CN204761304U (en) | 2015-06-26 | 2015-06-26 | Change of current valve tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204761304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953858A (en) * | 2015-06-26 | 2015-09-30 | 许继电气股份有限公司 | Converter valve tower |
| CN107800272A (en) * | 2017-10-18 | 2018-03-13 | 许继电气股份有限公司 | Brace type converter valve valve tower |
-
2015
- 2015-06-26 CN CN201520447019.0U patent/CN204761304U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953858A (en) * | 2015-06-26 | 2015-09-30 | 许继电气股份有限公司 | Converter valve tower |
| CN107800272A (en) * | 2017-10-18 | 2018-03-13 | 许继电气股份有限公司 | Brace type converter valve valve tower |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |