CN201956141U - Four-link strain insulator string of +/- 800KV heavy icing area - Google Patents
Four-link strain insulator string of +/- 800KV heavy icing area Download PDFInfo
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- CN201956141U CN201956141U CN 201120050476 CN201120050476U CN201956141U CN 201956141 U CN201956141 U CN 201956141U CN 201120050476 CN201120050476 CN 201120050476 CN 201120050476 U CN201120050476 U CN 201120050476U CN 201956141 U CN201956141 U CN 201956141U
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Abstract
A four-link strain insulator string of a +/- 800KV heavy icing area belongs to hardware strings for erecting power transmission lines and is used in two pieces of hanging point hardware connected with a tower. Each piece of hanging point hardware is connected to the left end of a first link plate by the aid of a bolt after being connected with the same hardware, and the right end of the first link plate is connected with two insulators by the aid of bulb hanging rings. Two of four insulators are connected onto a second link plate, the other two insulators are connected onto another second link plate, and the two second link plates are respectively connected with a combined link plate by the aid of right-angle hanging plates. The two insulators are provided with an open or double-leg split equalizing ring, and the combined link plate consists of a two-to-four link plate, the two right-angle hanging plates and two one-to-two link plates in a connected manner by the aid of bolts. Besides, two shield rings are fixed to the upper end and the lower end of the two-to-four link plate by the aid of a support. The four-link strain insulator string has the advantages of convenience in installation of the equalizing ring, stable structure and high strength.
Description
Technical field
The utility model relates to transmission line and sets up and use the insulator string gold utensil, especially for the tetrad strain insulator-string gold utensil of heavy icing area ± 800KV transmission line.
Background technology
Because it is bigger at the ice load of heavy icing area overhead transmission line, the structural stability of existing tetrad strain insulator-string is poor, and Intensity Design can not meet the demands, secondly, because the connection spacing of existing tetrad strain insulator-string strengthens, the grading ring of conjuncted design and shading ring are not easy to install, its three because existing grading ring is closed ring structure, must be installed in the insulator string in advance, therefore, often cause the aluminum grading ring in work progress, to sustain damage.
The utility model content
The purpose of this utility model provides that a kind of grading ring is easy for installation, Stability Analysis of Structures, intensity are high ± 800KV heavy icing area tetrad strain insulator-string.
This novel purpose is achieved in that a kind of ± 800KV heavy icing area tetrad strain insulator-string, comprise two hanging point gold utensils that are used for being connected with shaft tower, each hanging point gold utensil is after bolt connects identical gold utensil, be connected on one the first yoke plate left end through bolt again, be connected with two insulators through ball-eye on the right-hand member of this first yoke plate; Two insulators in four insulators are connected on one second yoke plate, two other insulator is connected on another second yoke plate, two second yoke plates are connected with the combination yoke plate through the right angle link plate respectively, be connected with six strain clamps that are used for the anchoring six-multiple conductor on the combination yoke plate, two insulators are provided with a grading ring, two other insulator is provided with another pressure ring, also has two shading rings; Grading ring is open type grading ring or split type grading ring; This open type grading ring structure is: on the circular endless tube that is bent by pipe an opening is arranged, and be welded with a support on the circular endless tube, this support is through being bolted on the second corresponding yoke plate; The split type grading ring structure of this both legs support is: its annulus is made up of symmetrical left endless tube and right endless tube, and between left endless tube and the right endless tube certain interval is arranged, all be connected with the both legs support on left side endless tube and the right endless tube, this both legs support is through being bolted to corresponding second yoke plate, left side endless tube and right endless tube are provided with the center symmetric mode mutually, and the both legs support is connected on left endless tube and the right endless tube through argon arc welding; Combination yoke plate structure is: become tetrad plate, two right angle link plates and two one change two yoke plates by one two and form through Bolt Connection; Two become that tetrad plate tops are left and right to have two insulator strings symmetrically and connect and use the hole, two become that tetrad plate bottoms are left and right to have four holes symmetrically, first hole in these four holes is respectively applied for the 4th hole and is connected a six-multiple conductor, connect a right angle link plate through bolt on second hole in these four holes, the bottom of this right angle link plate connects one one through bolt and becomes two yoke plates, these two holes that become two yoke plate bottoms are respectively applied for and connect a six-multiple conductor, and the member that connects on the member that connects on the 3rd hole in these four holes and second hole is identical; Described two shading rings are separately fixed at two through support and become the left and right two ends of tetrad plate.
Also have the six-multiple conductor retention system: the anchor ear of being made up of two anchor ear pressing plates is through being bolted to the support frame middle part, being six Kong Shangjun that regular hexagon distributes on the support frame has as the wire clamp of clamping jumper wire spacing rod through Bolt Connection and holds head, and wire clamp is held in the wire clamp of head and is lined with rubber blanket.
The gold utensil that is connected between above-mentioned each hanging point gold utensil and the first yoke plate left end is: the hanging point gold utensil is connected on the openend of the first U-shaped link, the second U-shaped link and the first U-shaped link buckle mutually, the openend of the second U-shaped link is connected to be adjusted on the plate, be connected and fixed traction link plate and towing plate in turn on the other end of adjustment plate, the towing plate other end is connected with the 6th right angle link plate, and the 6th right angle link plate other end is connected on the hole of the first yoke plate left end.
Compared with prior art, this novelly has following characteristics and an advantage:
1, the hanging point gold utensil still adopts Italian cake formula hanging point, and this hanging point compact conformation rotates flexibly, and is stressed reasonable, is particularly useful for the heavy icing area circuit.
2, string shape is arranged and is adopted the combination yoke plate to finish six division wirings, and upper and lower two-layer gold utensil string installs bracing frame additional at combination yoke plate place, improves stability and load ability to bear on the overall structure.
3, because the connection spacing strengthens, consider that simultaneously voltage distributes to the requirement of anti-height on the grading ring,, grading ring and shading ring are separated design, independently finish its electric function separately, be installed on two yoke plates and two respectively and become on the tetrad plate for ease of arranging.
4, in order to ensure the anticorona performance of gold utensil self, grading ring adopts split-type design, can treat to install after insulator string installs, and guarantees that the aluminum grading ring is not subjected to the damage of work progress, guarantees that self anticorona performance is unaffected.
5, adopt the combination yoke plate can guarantee that six-multiple conductor is distributed on the orthohexagonal summit, have in accurate positioning, the use advantage little, compact conformation that can not be subjected to displacement, take up room.
6, the split type grading ring of both legs support adopts center symmetric mode structure, makes things convenient for the on-the-spot installation of gold utensil string on the one hand, and the structure stress after installing on the other hand is more balanced, has prolonged useful life.
7, six-multiple conductor maintenance mechanism can guarantee accurate positioning, and it adopts detachable structure making things convenient for installation, adopts the hood type structure, and making the wire clamp of six-multiple conductor hold head can move along stay pipe along line direction, thereby makes its installation site adjustable.
Description of drawings
Fig. 1, Fig. 2 are respectively this novel front view and vertical view.
Fig. 3 is the left view (illustrate be six strain clamps that regular hexagon arrange) of Fig. 1 along the A-A line.
Fig. 4, Fig. 5 are respectively the front views and left view (different with grading ring among Fig. 1) of open type grading ring.
Fig. 6, Fig. 7, Fig. 8 are respectively front view and the vertical view and the left views of the split type grading ring of both legs.
Fig. 9, Figure 10 are respectively the front view and the vertical views of six-multiple conductor retention system.
Figure 11 is the front view of support frame shown in Figure 9.
Figure 12, Figure 13 are respectively the front view and the left views of anchor ear pressing plate shown in Figure 9.
Embodiment
In the accompanying drawing, 1a: the first U-shaped link; 1b: the second U-shaped link; 2: the first adjustment plates; 3: parallel link plate; 4: towing plate; 5: the first right angle link plates; 6a: the second right angle link plate; 6b: the 3rd right angle link plate; 7: the second adjustment plates; 8:U shape link; 9: the hanging point gold utensil; 10: space-adjusting wire clamp; 11: the four right angle link plates; 12: prolong pull bar; 13: prolong pull bar; 14: the five right angle link plates; 15: socket-clevis eye; 16: the first yoke plates; 16a: second yoke plate; 17: ball-eye; 18: two change tetrad plates; 19: one change two yoke plates; 20: grading ring; 21: shading ring; 22: strain clamp; 23: Support frame; 24: the six right angle link plates; 24a: the 7th right angle link plate; 25: the eight right angle link plates; 26, insulator.
Among Fig. 1, Fig. 2, Fig. 3, a kind of ± 800KV heavy icing area tetrad strain insulator-string, comprise two hanging point gold utensils 9 that are used for being connected with shaft tower, each hanging point gold utensil is after bolt connects identical gold utensil, be connected on one first yoke plate 16 left ends through bolt again, be connected with two insulators 26 through ball-eye 17 on the right-hand member of this first yoke plate; Two insulators in four insulators are connected on one the second yoke plate 16a, two other insulator is connected on another second yoke plate, above-mentioned two second yoke plates are connected with the combination yoke plate through the right angle link plate respectively, be connected with six strain clamps 22 that are used for the anchoring six-multiple conductor on the combination yoke plate, two insulators are provided with a grading ring 20, two other insulator is provided with another grading ring, also has two shading rings 21; Grading ring 20 is open type grading ring or the split type grading ring of both legs support; Referring to Fig. 4, Fig. 5, this open type grading ring structure is: on the circular endless tube 27 that is bent by pipe an opening is arranged, and be welded with a support 27a on the circular endless tube, this support is through being bolted on the second corresponding yoke plate 16a; Referring to Fig. 6, Fig. 7, Fig. 8, the split type grading ring structure of this both legs support is: its annulus is made up of symmetrical left endless tube 28 and right endless tube 29, and between left endless tube and the right endless tube certain interval is arranged, all be connected with two both legs supports 30 on left side endless tube and the right endless tube, this both legs support is through being bolted on the corresponding second yoke plate 16a, left side endless tube and right endless tube are provided with the center symmetric mode mutually, the both legs support is connected (two change tetrad plates 18 turn clockwise 90 ° among Fig. 2, judge its left and right direction) on left endless tube and the right endless tube through argon arc welding.
Combination yoke plate structure is: become tetrad plate 18, two right angle link plates 14 and two one by one two and become two yoke plates 19 and form through Bolt Connection; Two become that tetrad plates 18 tops are left and right to have two insulator strings symmetrically and connect and use the hole, two become that tetrad plate bottoms are left and right to have four holes symmetrically, first hole in these four holes is respectively applied for the 4th hole and is connected a six-multiple conductor, connect a right angle link plate 14 through bolt on second hole in these four holes, the bottom of this right angle link plate connects one one through bolt and becomes two yoke plates 19, these two holes that become two yoke plate bottoms are respectively applied for and connect a six-multiple conductor, and the member that connects on the member that connects on the 3rd hole in these four holes and second hole is identical; Described two shading rings 21 are separately fixed at two through support and become tetrad plate 18 left and right two ends.
The gold utensil that is connected between each hanging point gold utensil and first yoke plate, 16 left ends is: hanging point gold utensil 9 is connected on the openend of the first U-shaped link 1a, the second U-shaped link 1b and the first U-shaped link buckle mutually, the openend of the second U-shaped link 1b is connected to be adjusted on the plate 2, be connected and fixed traction link plate 3 and towing plate 4 in turn on the other end of adjustment plate, the towing plate other end is connected with the 6th right angle link plate 24, and the 6th right angle link plate other end is connected on the hole of first yoke plate, 16 left ends.
Also have the six-multiple conductor retention system: the anchor ear of being made up of two anchor ear pressing plates 32 is through being bolted to support frame 31 middle parts, being six Kong Shangjun that regular hexagon distributes on the support frame has as the wire clamp of clamping jumper wire spacing rod through Bolt Connection and holds 33, and wire clamp is held in the wire clamp of head and is lined with rubber blanket (referring to Fig. 9, Figure 10, Figure 11, Figure 12 and Figure 13).
The structural design of gold utensil insulator string: the heavy icing area strain tower mainly adopts tetrad three hanging points.Insulator string adopts two GD type cake formula hanging points with being connected of shaft tower, connect supporting U-loop, by P type link plate, DB type adjustment plate, QY type towing plate, L type two yoke plates, QP type ball-eye connect insulator string one end, the insulator string other end mainly by socket-clevis eye through L type two yoke plates, Z-shaped and ZS type link plate, two become and finish six divisions after tetrad plates and two the two yoke plates combinations and connect up.Adjust plate, prolong gold utensils such as pull bar and be connected to U type ring by the DB type again, the firm anchor ring of the strain clamp portion that U-loop has penetrated with the anchoring of six roots of sensation sub-conductor finishes the connection of whole string.
When being used for angle tower, the L value in the corner outside is adjusted by the corner size.Six roots of sensation sub-conductor divides upper, middle and lower-ranking, and two gold utensil string length unanimities of every layer increase progressively by the length of prolongation pull bar with 390mm, step by step so that six roots of sensation wire jumper also is positioned on the orthohexagonal summit that the length of side is 450mm.Because last two lead drainage threads of six-multiple conductor draw following time, can run into following two leads, can produce fraying of lead when lead is swung, between downlead and prolongation pull bar, jumper wire spacing rod is installed and is fixed.Its basic assembling mode is shown in accompanying drawing 1～3.
Among Fig. 1, Fig. 2, ball-eye 17 1 ends are fixed on insulator 26 left ends, and the 4th right angle link plate 11 is connected between the ball-eye 17 and first yoke plate 16; Fixing socket-clevis eye 15 on insulator 26 right-hand members, socket-clevis eye 15 connects the second yoke plate 16a in turn, and the 7th right angle link plate 24a, the 8th right angle link plate 25 and two become tetrad plates 18; Support frame 23(is referring to Figure 11) on six wire clamps hold head as the clamping six-multiple conductor.
Claims (3)
1. one kind ± 800KV heavy icing area tetrad strain insulator-string, comprise, two the hanging point gold utensils (9) that are used for being connected with shaft tower, each hanging point gold utensil is after bolt connects identical gold utensil, be connected on one first yoke plate (16) left end through bolt again, be connected with two insulators (26) through ball-eye (17) on the right-hand member of this first yoke plate; Two insulators in above-mentioned four insulators are connected on one second yoke plate (16a), two other insulator is connected on another second yoke plate, above-mentioned two second yoke plates are connected with the combination yoke plate through the right angle link plate respectively, be connected with six strain clamps (22) that are used for the anchoring six-multiple conductor on the combination yoke plate, above-mentioned two insulators are provided with a grading ring (20), two other insulator is provided with another grading ring, also has two shading rings (21); It is characterized in that: described grading ring (20) is open type grading ring or the split type grading ring of both legs support; This open type grading ring structure is: on the circular endless tube (27) that is bent by pipe an opening is arranged, and be welded with a support (27a) on the circular endless tube, this support is through being bolted on corresponding second yoke plate (16a); The split type grading ring structure of this both legs support is: its annulus is made up of symmetrical left endless tube (28) and right endless tube (29), and between left endless tube and the right endless tube certain interval is arranged, all be connected with two both legs supports (30) on left side endless tube and the right endless tube, this both legs support is through being bolted on corresponding second yoke plate (16a), left side endless tube and right endless tube are provided with the center symmetric mode mutually, and the both legs support is connected on left endless tube and the right endless tube through argon arc welding;
Described combination yoke plate structure is: become tetrad plate (18), two right angle link plates (14) and two one change two yoke plates (19) by one two and form through Bolt Connection; Two become tetrad plate (a 18) left side, top, the right side has two insulator strings connections symmetrically and uses the hole, two become a left side, tetrad plate bottom, the right side has four holes symmetrically, first hole in these four holes is respectively applied for the 4th hole and is connected a six-multiple conductor, connect a right angle link plate (14) through bolt on second hole in these four holes, the bottom of this right angle link plate connects one one through bolt and becomes two yoke plates (19), these two holes that become two yoke plate bottoms are respectively applied for and connect a six-multiple conductor, and the member that connects on the member that connects on the 3rd hole in these four holes and second hole is identical; Described two shading rings (21) are separately fixed at two through support and become the left and right two ends of tetrad plate (18).
2. according to claim 1 ± 800KV heavy icing area tetrad strain insulator-string, it is characterized in that: also have the six-multiple conductor retention system: the anchor ear of being made up of two anchor ear pressing plates (32) is through being bolted to support frame (31) middle part, being six Kong Shangjun that regular hexagon distributes on the support frame has as the wire clamp of clamping jumper wire spacing rod through Bolt Connection and holds head (33), and wire clamp is held in the wire clamp of head and is lined with rubber blanket.
3. according to claim 2 ± 800KV heavy icing area tetrad strain insulator-string, it is characterized in that: the gold utensil that is connected between described each hanging point gold utensil and first yoke plate (16) left end is: hanging point gold utensil (9) is connected on the openend of the first U-shaped link (1a), the second U-shaped link (1b) buckles mutually with the first U-shaped link, the openend of the second U-shaped link (1b) is connected to be adjusted on the plate (2), be connected and fixed traction link plate (3) and towing plate (4) in turn on the other end of adjustment plate, the towing plate other end is connected with the 6th right angle link plate (24), and the 6th right angle link plate other end is connected on the hole of first yoke plate (16) left end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120050476 CN201956141U (en) | 2011-03-01 | 2011-03-01 | Four-link strain insulator string of +/- 800KV heavy icing area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120050476 CN201956141U (en) | 2011-03-01 | 2011-03-01 | Four-link strain insulator string of +/- 800KV heavy icing area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956141U true CN201956141U (en) | 2011-08-31 |
Family
ID=44500245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120050476 Expired - Lifetime CN201956141U (en) | 2011-03-01 | 2011-03-01 | Four-link strain insulator string of +/- 800KV heavy icing area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201956141U (en) |
-
2011
- 2011-03-01 CN CN 201120050476 patent/CN201956141U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110831 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |