CN202258576U - V type suspension insulator chain hardware device used for UHVDC line - Google Patents
V type suspension insulator chain hardware device used for UHVDC line Download PDFInfo
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- CN202258576U CN202258576U CN2011203054471U CN201120305447U CN202258576U CN 202258576 U CN202258576 U CN 202258576U CN 2011203054471 U CN2011203054471 U CN 2011203054471U CN 201120305447 U CN201120305447 U CN 201120305447U CN 202258576 U CN202258576 U CN 202258576U
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Abstract
Provided is a V type suspension insulator chain hardware device used for an UHVDC (Ultra High Voltage Direct Current Transmission) line, comprising two groups of insulator chains arranged in a V shape and respectively and pivotally connected with a trunnion hanging plate; each insulator chain comprises a split type pressure equalizing shield ring, an insulator, U-shaped hanging rings and right angle hanging plates arranged on two ends of the insulator and a hanging point hardware device hitched with a tower body lead cross-arm through the trunnion hanging plate; the pressure equalizing shield ring is in connection with a suspension connecting plate for suspending power transmission leads through a connecting plate and a right angle hanging plate; wherein a connecting ring in sleeve connection with the U-shaped hanging ring and located between the insulator and the U-shaped hanging ring is arranged on one end close to the hanging point. The advantages are that the V type suspension insulator chain hardware device can effectively avoid excessive windage yaw swing of lead beam so as to simplify the tower structure and to reduce the corridor width and can realize reasonable lead polar distance and meet electrical requirements of a plus and minus 800 KV UHVDC line.
Description
Technical field
The utility model relates to a kind of suspension insulator armour clamp device that is used for DC power transmission line, especially relevant a kind of suspension insulator armour clamp device that is used for extra high voltage direct current transmission line.
Background technology
The general electric pressure of present domestic transmission line backbone network is for exchanging 500kV and direct current ± 500kV; The suspension insulator of its use; Wherein insulator generally is to adopt bulb bowl header structure at present, and what Chinese utility model patent CN201868160U was disclosed promptly is a kind of like this suspension insulator structure, though its connection is easy; But bulb wherein comes off with insulator with the bowl head easily, is the needs that electric requirement or mechanical strength all can not satisfy UHV transmission line.
Along with socioeconomic fast development, to the also growth fast of demand of electricity consumption, but primary energy skewness and distance are far away, and the passway for transmitting electricity land used is more and more nervous.For this reason; Improve transmission line capability; The power transmission line of building voltage levels more is extra high voltage direct current transmission line particularly; Being used for long distance power transmission like ± 800KV extra high voltage direct current transmission line as backbone network will be a kind of new solution, can not solve effectively ± structure of the suspension problem of 800kV extra high voltage direct current transmission line lead but have so far.The mechanical strength of the insulation that suspension insulator that in ± 800KV extra high voltage direct current transmission line, uses specifically, and gold utensil need effectively solve lead, the string that dangles and the problem that insulator comes off easily.
In addition, though in the extra-high voltage direct-current circuit, can adopt I string suspension pattern, through calculating, the circuit width of corridor can increase, and the removal amount increases, thereby construction investment significantly increases.
The utility model content
For solving above-mentioned the problems of the prior art; The purpose of the utility model provides a kind of V-type suspension insulator armour clamp device that is used for extra high voltage direct current transmission line; Lead to guarantee this extra-high voltage direct-current circuit reliably insulate, and dwindles the circuit width of corridor and satisfies electric requirement.
The above-mentioned purpose of the utility model realizes through following technical scheme: a kind of V-type suspension insulator armour clamp device that is used for extra high voltage direct current transmission line comprises: two form the insulator string that V-type is arranged, are connected in a gudgeon link plate respectively pivotly; Each insulator string comprise U type link and the right angle link plate of split typely all pressing shading ring, insulator, being arranged on the insulator two ends, with the hanging point gold utensil that lead cross-arm through gudgeon link plate and tower body articulates, this all presses shading ring to be connected in the yoke plate that dangles that hangs transmission pressure through a yoke plate and right angle link plate; Wherein be arranged between insulator and U type link near hanging point one end and with the connecting ring of this U type link socket.
Preferably, the described shading ring of all pressing comprises: two hemizonids that difference is relative; Two connection supports protrude out to a side from this hemizonid respectively, and the far-end that the connection support stretches out connects the two ends of yoke plate respectively, and the central authorities of this yoke plate can pivot through bolt with said right angle link plate and be connected.
Preferably, described hemizonid is a bent tubular body, all presses shading ring support crooked position to adopt the great circle structure.
Preferably, this insulator string also comprises an adjustment structure, comprises the right angle link plate and prolongs pull bar, and said right angle link plate is connected through bolt is pivotable with the prolongation pull bar.
Preferably, this adjustment structure also comprises an adjustment plate, and said adjustment plate is connected with above-mentioned right angle link plate through bolt.
Preferably, said adjustment plate is a PT adjustment plate.
Described transmission pressure is six division high strength leads, is fixed by the wire harness that dangles that is installed on the said yoke plate that dangles respectively.
Described insulator string is a V-type duplex 550KN insulator string, and described hanging point gold utensil is an EB-64/55S-116 type gudgeon link plate through the gudgeon link plate.Said yoke plate can pivot with said right angle link plate and said U type link and be connected.Hemizonid adopts the aluminum pipe of Φ 120 to bend and forms.
Adopt the scheme of the utility model, its beneficial effect is: because extra high voltage direct current transmission line uses suspension insulator V serial type, can stop bundle conductor windage yaw swing excessive effectively, thereby simplify pyramidal structure and dwindled width of corridor, thereby can reduce removal; Extra high voltage direct current transmission line uses suspension insulator V serial type, can realize rational lead pole span, can satisfy ± electric requirement of 800KV extra-high voltage direct-current circuit, promptly satisfies electromagnetic environment requirements such as noise, radio interference, formate field intensity.
The further beneficial effect of the utility model is:
The V-type suspension insulator armour clamp device of the utility model adopts a kind of V-type duplex 550kN insulator string double hanging point structure, can satisfy six division high strength lead ACSR-720/50 suspension problems.
Hanging point is selected gudgeon link plate EB-64/55S-116 for use, and it has improved a grade than insulator, thus the fail safe that has improved whole extension string; Gudgeon link plate EB-64/55S-116 can rotate freely along its bolt, can avoid the iron tower hanging point to receive the effect of unnecessary bending stress; Thereby improved the stability of whole extension string.
The utility model adopts PT adjustment plate structure, and it can regulate insulator length, makes two insulator strings isometric, avoids insulator two string unbalance stress.
All pressures shading ring of the utility model design adopts and divides body structure; Divide body structure can be divided into two the weight of all pressing shading ring on the one hand and be convenient to workmen's installation; All press shading ring to install at last on the other hand, the ring body in case insulator collides with in the suspention process has weakened shield effectiveness.All press shading ring to connect the support crooked position and adopt the great circle structure, can avoid the appearance of discharging sharp-angle.
Loop configuration is adopted at the two ends of the insulator of the utility model, and itself and U type link constitute the ring ring structure, thereby the problem that can avoid bulb and bowl head and insulator to come off effectively effectively solves the reliable Insulation Problems of lead.
Screening arrangement is not installed at the utility model suspension clamp place, relies on the suspension clamp self structure anti-corona fully.
In it should be understood that in the utility model scope, above-mentioned each technical characterictic of the utility model and hereinafter can mutual combination between specifically described each technical characterictic in (like embodiment), thus constitute new or optimized technical scheme.As space is limited, this tired no longer one by one stating.
Through the specific descriptions of the utility model being can be more clearly understood the above-mentioned of the utility model and other purpose, characteristics and advantage below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the V-type suspension insulator armour clamp device of the utility model;
Fig. 2 be Fig. 1 from C to shown in the assembly drawing of single insulator string;
Fig. 3 be among Fig. 2 by A to shown in the floor map of all pressing shading ring;
Fig. 4 is the sketch map of an embodiment of the adjustment structure of the utility model;
Fig. 5 is the sketch map of another embodiment of the adjustment structure of the utility model;
Fig. 6 be the V-type suspension insulator armour clamp device by the utility model hung the conductor structure sketch map.
Embodiment
Below will combine accompanying drawing that the embodiment of the utility model is elaborated.It is understandable that, be not the restriction to the utility model scope to the description of these embodiment, but in order better to understand the present invention.
As shown in Figure 1, the V-type suspension insulator armour clamp device of a kind of being used for of the utility model ± 800KV extra-high voltage direct-current circuit comprises: two form the insulator string gold utensil that V-type is arranged, are connected in a gudgeon link plate (not shown) respectively pivotly.Because symmetric arrangement, existing to wherein one group, for example the right side specifies for one group among Fig. 1.This gudgeon link plate articulates with the hanging point gold utensil 1 that is arranged on the tower body lead cross-arm (not shown).Each insulator string gold utensil comprises the split type U type link 3 and the right angle link plate 2,7 of all pressing shading ring 5, insulator 4, being arranged on insulator 4 two ends, and this all presses shading ring 5 to be connected in the yoke plate 8 that dangles of suspension lead 10 ' (see figure 6) through a yoke plate 6 and right angle link plate 7; Wherein near hanging point 1 one ends be provided with insulator 4 and 3 of U type links and with the connecting ring 3 ' of these U type link 3 sockets; Described right angle link plate 7 is connected through bolt with the yoke plate 8 of dangling of suspension transmission pressure 10 '.
The overall length of insulator string is adjustable according to actual operating position, and wherein first kind of adjustment structure is as shown in Figure 4, and another kind of adjustment structure is as shown in Figure 5.When the synthetic insulator structure length is 10600mm, between the right angle of Fig. 1 link plate 2 and U type ring 3, can increase the adjustment structure of Fig. 4, this adjustment structure comprises the right angle link plate 12 and prolongation pull bar 13 that can pivot and connect through bolt.When the synthetic insulator structure length is 11500mm; Between the right angle of Fig. 1 link plate 2 and U type ring 3, increase the adjustment structure of Fig. 5; This adjustment structure is except that comprising member shown in Figure 4 (right angle link plate 15 and prolongation pull bar 16); Also comprise an adjustment plate 14, this adjustment plate can pivot with right angle link plate 15 through bolt and be connected.Preferably, said adjustment plate 14 is PT adjustment plates.
The described shading ring 5 of all pressing comprises: two hemizonids 5 ', 5 that difference is relative ", described hemizonid 5 ', 5 " be the bent tubular body of orthodrome; Two connection supports 17, as shown in Figure 2, from this bent tubular body, protrude out respectively to a side, connect the two ends that far-end that support 17 stretches out is connected to yoke plate 6, the central authorities of yoke plate 6 and said right angle link plate 7 are connected through bolt.All press connection support 17 crooked positions of shading ring to adopt the great circle structure.
Described transmission pressure is a six roots of sensation high strength lead 10 ' (as shown in Figure 6), and is fixing, as shown in Figure 1 by the wire harness 9 that dangles that is installed on the said yoke plate 8 that dangles respectively.For making whole V-type insulator string stable, a weight 11 is installed also on the yoke plate that dangles.Outside the conductor part of wire harness 9 suspensions place of dangling, be with and protect lines 10.This high-voltage conducting wires 10 ' can adopt the for example lead of ACSR-720/50 model.
Described insulator string is a V-type duplex 550KN insulator string, and the gudgeon link plate that articulates with described hanging point gold utensil is an EB-64/55S-116 type gudgeon link plate.Said yoke plate 6 can pivot with said right angle link plate 7 and said U type link 3 and be connected.Hemizonid for example adopts the aluminum pipe of Φ 120 to bend and forms.
The utility model can assemble two semi-rings 5 ', 5 at last owing to adopt the shielding of split-type structural all to press shading ring 5 after all having lifted insulator string ".Like this, can be divided into two the weight of all pressing shading ring on the one hand and be convenient to workmen's installation, all press shading ring 5 to install at last on the other hand, the ring body in case insulator 4 collides with in the suspention process has weakened shield effectiveness.
Extra high voltage direct current transmission line uses suspension insulator V serial type, can stop bundle conductor windage yaw swing excessive effectively, thereby simplify pyramidal structure and dwindled width of corridor, thereby can reduce removal; The extra-high voltage direct-current circuit uses suspension insulator V serial type, can realize rational lead pole span, can satisfy ± electric requirement of 800KV extra-high voltage direct-current circuit, promptly satisfies electromagnetic environment requirements such as noise, radio interference, formate field intensity.
The V-type suspension insulator of the utility model is a kind of V-type duplex 550kN insulator string double hanging point structure, can satisfy six division high strength lead ACSR-720/50 suspension problems.
The hanging point of the utility model is selected gudgeon link plate EB-64/55S-116 for use, and it has improved a grade than insulator, thus the fail safe that has improved whole extension string; Gudgeon link plate EB-64/55S-116 can rotate freely along its bolt, can avoid the iron tower hanging point to receive the effect of unnecessary bending stress, thereby has improved the stability of whole extension string.
The utility model has adopted PT adjustment plate structure, and it can regulate insulator length, makes two insulator strings isometric, avoids insulator two string unbalance stress.
All press shading ring support crooked position to adopt the great circle structure, can avoid the appearance of discharging sharp-angle.
Loop configuration is adopted at the two ends of the insulator of the utility model, and itself and U type link constitute the ring ring structure, thereby the problem that can avoid bulb and bowl head and insulator to come off effectively effectively solves the reliable Insulation Problems of lead.
Screening arrangement is not installed at the utility model suspension clamp place, relies on the suspension clamp self structure anti-corona fully.
Though combined accompanying drawing that the preferred embodiment of the utility model is specified above, the utility model is not limited to these embodiment.After having read the above-mentioned teachings of the utility model, those skilled in the art can do various changes or modification to the utility model, and these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (10)
1. V-type suspension insulator armour clamp device that is used for extra high voltage direct current transmission line is characterized in that comprising: two form the insulator string that V-types are arranged, are connected in a gudgeon link plate respectively pivotly; The hanging point gold utensil that each insulator string comprises U type link and the right angle link plate of split typely all pressing shading ring, insulator, being arranged on the insulator two ends, articulates with lead cross-arm through gudgeon link plate and tower body; This all presses shading ring to be connected in the yoke plate that dangles of suspension transmission pressure through a yoke plate and right angle link plate; Wherein be provided with between insulator and U type link and connecting ring this U type link socket near hanging point one end.
2. V-type suspension insulator armour clamp device according to claim 1 is characterized in that the described shading ring of all pressing comprises: two relative hemizonids; Two connection supports protrude out to a side from said hemizonid respectively, and the far-end that the connection support stretches out connects the two ends of said yoke plate respectively, and the central authorities of this yoke plate can pivot through bolt with said right angle link plate and be connected.
3. V-type suspension insulator armour clamp device according to claim 2 is characterized in that described hemizonid is a bent tubular body; All press the connection support crooked position of shading ring to adopt the great circle structure.
4. V-type suspension insulator armour clamp device according to claim 3 is characterized in that hemizonid adopts the aluminum pipe of Φ 120 to bend and forms.
5. V-type suspension insulator armour clamp device according to claim 1; It is characterized in that described insulator string also comprises an adjustment structure; Described adjustment structure comprises the right angle link plate and prolongs pull bar that said right angle link plate is connected through bolt is pivotable with the prolongation pull bar.
6. V-type suspension insulator armour clamp device according to claim 5 is characterized in that this adjustment structure also comprises an adjustment plate, and said adjustment plate can pivot with described right angle link plate through bolt and be connected.
7. V-type suspension insulator armour clamp device according to claim 5 is characterized in that said adjustment plate is a PT adjustment plate.
8. V-type suspension insulator armour clamp device according to claim 1 is characterized in that described transmission pressure is a six roots of sensation high strength lead, is fixed by the wire harness that dangles that is installed on the said yoke plate that dangles respectively.
9. V-type suspension insulator armour clamp device according to claim 8 is characterized in that described six division high strength leads are ACSR-720/50 type leads.
10. V-type suspension insulator armour clamp device according to claim 1 is characterized in that described insulator string is a V-type duplex 550KN insulator string, and the gudgeon link plate of described hanging point gold utensil socket is an EB-64/55S-116 type gudgeon link plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203054471U CN202258576U (en) | 2011-08-22 | 2011-08-22 | V type suspension insulator chain hardware device used for UHVDC line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203054471U CN202258576U (en) | 2011-08-22 | 2011-08-22 | V type suspension insulator chain hardware device used for UHVDC line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202258576U true CN202258576U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203054471U Expired - Lifetime CN202258576U (en) | 2011-08-22 | 2011-08-22 | V type suspension insulator chain hardware device used for UHVDC line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202258576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053595A (en) * | 2021-02-02 | 2021-06-29 | 中国电力工程顾问集团西南电力设计院有限公司 | 750kV line cross yoke plate windage yaw prevention anchor type insulator string that dangles |
-
2011
- 2011-08-22 CN CN2011203054471U patent/CN202258576U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053595A (en) * | 2021-02-02 | 2021-06-29 | 中国电力工程顾问集团西南电力设计院有限公司 | 750kV line cross yoke plate windage yaw prevention anchor type insulator string that dangles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200063 Wuning Road, Shanghai, No. 409, No. Patentee after: Co., Ltd of Huabei Power Design Inst., China Power Engineering Consulting Group Patentee after: Nanjing Curcuit Appliance Factory Address before: 200063 Wuning Road, Shanghai, No. 409, No. Patentee before: Huabei Power Design Inst., China Power Engineering Consulting Group Patentee before: Nanjing Curcuit Appliance Factory |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |