CN214303136U - Iron tower wire drawing device for advanced or delayed stringing of extra-high voltage direct current line - Google Patents
Iron tower wire drawing device for advanced or delayed stringing of extra-high voltage direct current line Download PDFInfo
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- CN214303136U CN214303136U CN202022959333.0U CN202022959333U CN214303136U CN 214303136 U CN214303136 U CN 214303136U CN 202022959333 U CN202022959333 U CN 202022959333U CN 214303136 U CN214303136 U CN 214303136U
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Abstract
The utility model provides a tower wire-drawing device for the advanced or delayed stringing of an extra-high voltage direct current line, which comprises a wire-drawing device and a ground wire-drawing device; the wire pulling device comprises a wire pulling tower-connecting hardware fitting, a wire pulling wire base connecting hardware fitting and a pulling disc base; the ground wire stay wire device comprises a ground wire stay wire tower-connected hardware fitting, a ground wire stay wire foundation connecting hardware fitting and a pull disc foundation. The wire drawing device of the utility model can effectively improve the balance tension of the wire and the ground wire, reduce the unbalanced tension born by the iron tower and ensure the safe operation of the iron tower under the long-term load; in addition, the stay wire device adopts a pull disc foundation, so that the occupied land can be reduced, the construction period is short, the service life of the stay wire device is long, and the safe operation under various meteorological conditions can be ensured.
Description
Technical Field
The utility model relates to an iron tower wire drawing device, especially a be used for extra-high voltage direct current circuit to put up line section iron tower wire drawing device in advance or postpone.
Background
With the gradual increase of domestic large-capacity power bases and the rapid development of an extra-high voltage direct current power grid, high-power long-distance power transmission becomes a normal state. The extra-high voltage direct current transmission line has long distance and spans a plurality of important transmission lines, expressways, railways and the like along the line. Under the influence of various factors, the crossing section of the extra-high voltage direct current line needs to be combined with a power failure plan of an important power transmission line and a coordination plan of a highway and a railway to carry out line erection construction in advance or delayed, the crossing tower bears the long-term running load of the line under the condition that one side of the crossing tower is in line suspension and the other side of the crossing tower is only provided with a construction temporary stay wire within several months, the balance force of the construction temporary stay wire is limited, and the safety running of the iron tower under the long-term load is not enough to be ensured. Therefore, how to ensure the safe operation of the extra-high voltage direct current line section iron tower in advance or after the extra-high voltage direct current line section iron tower is a technical problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned problem, pertinence proposes one kind and is used for extra-high voltage direct current circuit to advance or postpone the overhead line section iron tower acting as go-between device, and the balance tension that can effectual promotion act as go-between ensures extra-high voltage direct current circuit in advance or postpones the safe operation of overhead line section iron tower under long-term load.
The utility model provides a technical scheme that its technical problem adopted does:
a wire drawing device for an iron tower of an advanced or delayed stringing section of an extra-high voltage direct current line comprises a wire drawing device and a ground wire drawing device;
the wire pulling device comprises a wire pulling tower-connecting hardware fitting, a wire pulling wire base connecting hardware fitting and a pulling disc base; the wire stay wire tower-connecting hardware fitting comprises a first GD hanging point hardware fitting, a first U-shaped hanging ring, a first triangular connecting plate, a second U-shaped hanging ring and a first strain clamp which are sequentially connected; the wire stay wire connection foundation hardware fitting comprises a first compression joint type NLY-shaped wire clamp, a third U-shaped hanging ring, a second triangular connecting plate and a fourth U-shaped hanging ring which are sequentially connected; one end of the lead wire pulling wire is connected to the first strain clamp, and the other end of the lead wire pulling wire is connected to the first NLY-type wire clamp; the wire stay wire tower-connecting hardware fitting is connected with a wire hanging point of the iron tower through a first GD hanging point hardware fitting; the wire stay wire connection foundation hardware fitting is connected with the stay bar of the pull disc foundation through a fourth U-shaped hanging ring.
The ground wire stay wire device comprises a ground wire stay wire tower-connected hardware fitting, a ground wire stay wire foundation connecting hardware fitting and a pull disc foundation; the ground wire stay wire tower-connected hardware fitting comprises a second GD hanging point hardware fitting, a fifth U-shaped hanging ring and a second strain clamp which are sequentially connected; the ground wire stay wire basic connection hardware fitting comprises a second compression joint type NLY-shaped wire clamp, a sixth U-shaped hanging ring, a DB adjusting plate, a ZBD-type hanging plate and a seventh U-shaped hanging ring which are sequentially connected; one end of the ground wire pull wire is connected to the second strain clamp, and the other end of the ground wire pull wire is connected to the second NLY-type wire clamp; the ground wire stay wire tower-connecting hardware fitting is connected with a ground wire hanging point of the iron tower through a second GD hanging point hardware fitting; the ground wire stay wire connection foundation hardware fitting is connected with the stay bar of the pull disc foundation through a seventh U-shaped hanging ring.
The pull disc foundation comprises an anchor rod, an extension ring, a pull ring and a pull disc which are sequentially connected, and also comprises pull rod groove concrete in which the anchor rod, the extension ring and the pull ring are wrapped; the pull disc is buried under the ground, and one end of the anchor rod, which is far away from the pull disc, is exposed out of the ground.
And the included angle of the ground wire to the ground of the wire are both smaller than 20 degrees.
Each pole of wire adopts three groups of wire pulling devices, each group of wire pulling device adopts two wires to pull wires, and each group of wire pulling device adopts a pull disc foundation.
Each ground wire adopts a group of ground wire pulling devices, each group of ground wire pulling devices adopts a ground wire pulling, and each group of ground wire pulling devices adopts a pulling disc foundation.
Preferably, the wire drawing wire adopts GJ-240 galvanized steel stranded wire.
Preferably, the ground wire is made of GJ-240 galvanized steel stranded wire.
The utility model has the advantages that: the iron tower stay wire device for the extra-high voltage direct current line stringing section in advance or in a delayed mode is used for improving the balance tension of a lead and a ground wire stay wire, reducing the unbalance tension born by an iron tower and ensuring the safe operation of the iron tower under long-term load. In addition, the stay wire device adopts a pull disc foundation, so that the occupied land can be reduced, the construction period is short, the service life of the stay wire device is long, and the safe operation under various meteorological conditions can be ensured.
Drawings
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is another schematic side view of the present invention.
Fig. 3 is a schematic view of the connection of the wire and the pull wire of the present invention.
Fig. 4 is a schematic view of the ground wire connection of the present invention.
Fig. 5 is a schematic view of the basic structure of the pull plate of the present invention.
The labels in the figure are: 1. a wire pulling device; 2. a ground wire stay wire device, 3, a lead stay wire tower-linking hardware fitting, a lead stay wire and a lead stay wire base connecting hardware fitting; 4. the ground wire stay wire tower-linking hardware fitting, the ground wire stay wire and the ground wire stay wire foundation connecting hardware fitting; 5. pulling a disc foundation; 6. a wire drawing wire; 7-1, a first U-shaped hanging ring; 7-2. a second U-shaped hanging ring; 7-3. a third U-shaped hanging ring; 7-4. a fourth U-shaped hanging ring; 7-5. a fifth U-shaped hanging ring; 7-6. a sixth U-shaped hanging ring; 7-7. a seventh U-shaped hanging ring; 8-1. a first triangular yoke plate; 8-2. a second triangular yoke plate; 9-1, a first strain clamp; 9-2, a second strain clamp; 10. a ground wire pull wire; 11-1, a first compression joint type NLY-shaped wire clamp; 11-2, a second compression joint type NLY wire clamp; 12-1, hanging a point hardware fitting on the first GD; 12-2. a second GD hanging point hardware fitting; a DB adjustment plate; a ZBD type hanging plate; 15. concrete in a pull rod groove; 16. an anchor rod; 17. an extension ring; 18. a pull ring; 19. pulling the disc; alpha, the included angle of the ground wire to the ground; beta, the included angle of the wire to the ground is formed by the wire drawing; 20. an iron tower.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model discloses a be used for extra-high voltage direct current circuit overhead line section iron tower acting as go-between or postpone device, including wire acting as go-between 1 and ground wire acting as go-between 2.
As shown in fig. 2, 3 and 5, the wire pulling device 1 includes a wire pulling tower-linking hardware, a wire pulling wire, a wire pulling base connecting hardware and a pulling disc base; the wire stay wire tower-connecting hardware fitting is used for connecting a wire stay wire and a wire cross arm hanging hole of an iron tower, and comprises a first GD hanging point hardware fitting 12-1, a first U-shaped hanging ring 7-1, a first triangular connecting plate 8-1, a second U-shaped hanging ring 7-2 and a first strain clamp 9-1 which are sequentially connected; the wire stay wire connection basic hardware fitting comprises a first compression joint type NLY-shaped wire clamp 11-1, a third U-shaped hanging ring 7-3, a second triangular connecting plate 8-2 and a fourth U-shaped hanging ring 7-4 which are connected in sequence; one end of the lead stay wire 6 is connected to the first strain clamp 9-1, the other end of the lead stay wire is connected to the first NLY-type clamp 11-1, and the lead stay wire is connected with the first strain clamp 9-1 and the first NLY-type clamp 11-1 in a compression joint mode. The wire stay wire tower-connecting hardware fitting is connected with a wire hanging point of the iron tower through a first GD hanging point hardware fitting 12-1 by adopting a bolt. The wire stay wire connection foundation hardware fitting is connected with the stay bar 16 of the pull disc foundation through a fourth U-shaped hanging ring 7-4 in a ring-to-ring mode. The first GD hanging point hardware fitting 12-1 is connected with the first U-shaped hanging ring 7-1, the first U-shaped hanging ring 7-1 is connected with the first triangular connecting plate 8-1, the first triangular connecting plate 8-1 is connected with the second U-shaped hanging ring 7-2, the third U-shaped hanging ring 7-3 is connected with the second triangular connecting plate 8-2, and the second triangular connecting plate 8-2 is connected with the fourth U-shaped hanging ring 7-4 through bolts. The second U-shaped hanging ring 7-2 is connected with the first strain clamp 9-1, and the first crimping type NLY-shaped clamp 11-1 is connected with the third U-shaped hanging ring 7-3 in a ring-to-ring mode.
As shown in fig. 2, 4 and 5, the ground wire pulling device 2 includes a ground wire pulling tower-linking hardware fitting, a ground wire pulling wire foundation connecting hardware fitting and a pulling disc foundation; the ground wire stay wire tower-connected hardware fitting is used for connecting a ground wire stay wire with a cross arm hanging hole of an iron tower ground wire, and comprises a second GD hanging point hardware fitting 12-2, a fifth U-shaped hanging ring 7-5 and a second strain clamp 9-2 which are sequentially connected; the ground wire stay wire basic connection fitting comprises a second crimping type NLY type wire clamp 11-2, a sixth U-shaped hanging ring 7-6, a DB adjusting plate 13, a ZBD type hanging plate 14 and a seventh U-shaped hanging ring 7-7 which are connected in sequence; one end of the ground wire pulling wire 10 is connected to the second strain clamp 9-2, and the other end of the ground wire pulling wire is connected to the second NLY-type clamp 11-2. And the ground wire stay wire tower-connecting hardware fitting is connected with a ground wire hanging point of the iron tower through a second GD hanging point hardware fitting 12-2 by adopting a bolt. The ground wire stay wire connection foundation hardware fitting is connected with an anchor rod 16 of the pull disc foundation through a seventh U-shaped hanging ring 7-7 in a ring-to-ring manner; and the fifth U-shaped hanging ring 7-5 is connected with the second strain clamp 9-2, and the second compression joint type NLY type wire clamp 11-2 is connected with the sixth U-shaped hanging ring 7-6 in a ring-to-ring manner. And the second GD hanging point hardware fitting 12-2, the fifth U-shaped hanging ring 7-5, the sixth U-shaped hanging ring 7-6, the DB adjusting plate 13 and the ZBD type hanging plate 14 are connected through bolts.
The pull disc foundation comprises an anchor rod 16, an extension ring 17, a pull ring 18 and a pull disc 19 which are sequentially connected, and also comprises pull rod groove concrete 15 which wraps the anchor rod 16, the extension ring 17 and the pull ring 18. The pull disc 19 needs to be buried under the ground, the burying depth is determined according to the field geological conditions, and one end of the stay bar 16, which is far away from the pull disc, is exposed out of the ground and is connected with the U-shaped suspension ring and the ring.
And both the included angle alpha between the ground wire pull wire and the ground and the included angle beta between the wire pull wire and the ground are smaller than 20 degrees.
As shown in fig. 2 and 3, each pole of the wire adopts three groups of wire pulling devices, each group of wire pulling devices adopts two wires to pull, and each group of wire pulling devices adopts a pull disc foundation.
As shown in fig. 2 and 4, each ground wire adopts a group of ground wire pulling devices, each group of ground wire pulling devices adopts a ground wire pulling wire, and each group of ground wire pulling devices adopts a pulling disc foundation.
Preferably, the wire drawing wire adopts GJ-240 galvanized steel stranded wire.
Preferably, the ground wire is made of GJ-240 galvanized steel stranded wire.
The utility model discloses a be used for extra-high voltage direct current circuit to put up line section iron tower acting as go-between in advance or postpone, can improve the balanced tension that wire and ground wire acted as go-between, reduce the unbalanced tension that the iron tower bore, ensure the safe operation of iron tower under long-term load. In addition, the stay wire device adopts a pull disc foundation, so that the occupied land can be reduced, the construction period is short, the service life of the stay wire device is long, and the safe operation under various meteorological conditions can be ensured.
Claims (3)
1. The utility model provides a be used for extra-high voltage direct current circuit to put up line section iron tower guyed construction in advance or postpone which characterized in that: comprises a lead wire pulling device and a ground wire pulling device;
the wire pulling device comprises a wire pulling tower-connecting hardware fitting, a wire pulling wire base connecting hardware fitting and a pulling disc base; the wire stay wire tower-connecting hardware fitting comprises a first GD hanging point hardware fitting, a first U-shaped hanging ring, a first triangular connecting plate, a second U-shaped hanging ring and a first strain clamp which are sequentially connected; the wire stay wire connection foundation hardware fitting comprises a first compression joint type NLY-shaped wire clamp, a third U-shaped hanging ring, a second triangular connecting plate and a fourth U-shaped hanging ring which are sequentially connected; one end of the lead wire pulling wire is connected to the first strain clamp, and the other end of the lead wire pulling wire is connected to the first NLY-type wire clamp; the wire stay wire tower-connecting hardware fitting is connected with a wire hanging point of the iron tower through a first GD hanging point hardware fitting; the wire stay wire connection foundation hardware fitting is connected with an anchor rod of the pull disc foundation through a fourth U-shaped hanging ring;
the ground wire stay wire device comprises a ground wire stay wire tower-connected hardware fitting, a ground wire stay wire foundation connecting hardware fitting and a pull disc foundation; the ground wire stay wire tower-connected hardware fitting comprises a second GD hanging point hardware fitting, a fifth U-shaped hanging ring and a second strain clamp which are sequentially connected; the ground wire stay wire basic connection hardware fitting comprises a second compression joint type NLY-shaped wire clamp, a sixth U-shaped hanging ring, a DB adjusting plate, a ZBD-type hanging plate and a seventh U-shaped hanging ring which are sequentially connected; one end of the ground wire pull wire is connected to the second strain clamp, and the other end of the ground wire pull wire is connected to the second NLY-type wire clamp; the ground wire stay wire tower-connecting hardware fitting is connected with a ground wire hanging point of the iron tower through a second GD hanging point hardware fitting; the ground wire stay wire connection foundation hardware fitting is connected with an anchor rod of the pull disc foundation through a seventh U-shaped hanging ring;
the pull disc foundation comprises an anchor rod, an extension ring, a pull ring and a pull disc which are sequentially connected, and also comprises pull rod groove concrete in which the anchor rod, the extension ring and the pull ring are wrapped; the pull disc is buried under the ground, and one end of the anchor rod, which is far away from the pull disc, is exposed out of the ground;
the included angle of the ground wire to the ground and the included angle of the lead wire to the ground are both smaller than 20 degrees;
each pole of lead adopts three groups of lead wire pulling devices, each group of lead wire pulling devices adopts two lead wires, and each group of lead wire pulling devices adopts a pull disc foundation;
each ground wire adopts a group of ground wire pulling devices, each group of ground wire pulling devices adopts a ground wire pulling, and each group of ground wire pulling devices adopts a pulling disc foundation.
2. The iron tower wire drawing device for the advanced or delayed stringing section of the extra-high voltage direct current line according to claim 1, is characterized in that: the wire drawing adopts GJ-240 galvanized steel stranded wires.
3. The iron tower wire drawing device for the advanced or delayed stringing section of the extra-high voltage direct current line according to claim 1, is characterized in that: the ground wire is drawn by adopting GJ-240 galvanized steel stranded wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022959333.0U CN214303136U (en) | 2020-12-09 | 2020-12-09 | Iron tower wire drawing device for advanced or delayed stringing of extra-high voltage direct current line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022959333.0U CN214303136U (en) | 2020-12-09 | 2020-12-09 | Iron tower wire drawing device for advanced or delayed stringing of extra-high voltage direct current line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214303136U true CN214303136U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022959333.0U Active CN214303136U (en) | 2020-12-09 | 2020-12-09 | Iron tower wire drawing device for advanced or delayed stringing of extra-high voltage direct current line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214303136U (en) |
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- 2020-12-09 CN CN202022959333.0U patent/CN214303136U/en active Active
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