CN218648462U - Extension support for live replacement of linear insulator - Google Patents
Extension support for live replacement of linear insulator Download PDFInfo
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- CN218648462U CN218648462U CN202223126320.0U CN202223126320U CN218648462U CN 218648462 U CN218648462 U CN 218648462U CN 202223126320 U CN202223126320 U CN 202223126320U CN 218648462 U CN218648462 U CN 218648462U
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- bearing plate
- tower
- pulley
- angle steel
- insulator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a live replacement linear insulator extension bracket, which comprises a tower material connecting component, a bearing plate and a hanging point; the tower material connecting component comprises angle steel and a support rod, the angle steel is fixed on a tower cross arm, and two side edges of the angle steel are abutted against two side edges of the tower cross arm; one end of the supporting rod is connected with the angle steel, and the other end of the supporting rod extends upwards and is connected with one end of the force bearing plate; the other end of the bearing plate extends towards the side far away from the pole tower and is connected with the hanging point. This scheme of adoption, at the change sharp insulator in-process, hang some perpendicular to shaft tower cross arm with insulating transmission system through extending the support and outwards stretch out, make and hang some and body of the tower apart from being longer than the below cross arm to make insulator chain both ends bulb take out the back insulator chain and can transfer to ground smoothly.
Description
Technical Field
The utility model relates to a transmission line safety construction technical field, concretely relates to change linear insulator extension support with electricity.
Background
In order to improve the operation reliability of the power transmission line and reduce the electric energy loss, the importance of live-line maintenance of the power transmission line is higher and higher, and the live-line replacement work of the linear self-explosion insulator is more and more normalized along with the continuous development of the current live-line work.
When the same-tower double-circuit middle-phase and upper-phase linear whole string or single-piece self-explosion insulator is replaced, the situation that the cross arm where the insulator string to be replaced is located is shorter than the cross arm below the insulator string often occurs, so that the insulator string cannot be smoothly lowered to the ground after the ball heads at the two ends of the insulator string are taken out, and the work of replacing the whole string of insulator string in a charged manner cannot be completed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's not enough, aim at provides a change straight line insulator extension support with electricity, adopts this scheme, is changing straight line insulator in-process, hangs some perpendicular to shaft tower cross arms and outwards stretches out through extending the support with insulating transmission system, makes and hangs some and body of the tower distance length in below cross arm to make insulator chain both ends bulb take out the back insulator cluster and can transfer to ground smoothly.
The utility model discloses a following technical scheme realizes:
an extension support for replacing a linear insulator in a live mode comprises a tower material connecting member, a bearing plate and hanging points;
the tower material connecting component comprises angle steel and a support rod, the angle steel is fixed on a tower cross arm, and two side edges of the angle steel are abutted against two side edges of the tower cross arm; one end of the supporting rod is connected with the angle steel, and the other end of the supporting rod extends upwards and is connected to one end of the force bearing plate;
the other end of the bearing plate extends towards the side far away from the pole tower and is connected with the hanging point.
Compared with the prior art, when the same-tower double-circuit phase and the upper-phase linear whole string or single-piece self-explosion insulator are replaced, the situation that the cross arm where the insulator string to be replaced is located is shorter than the cross arm below the insulator string often occurs, so that the situation that the insulator string cannot be smoothly put to the ground after the ball heads at the two ends of the insulator string are taken out is caused, and the problem that the work of replacing the whole string of insulator string in a charged mode cannot be completed.
Further optimizing, first threaded holes are formed in two side edges of the angle steel, and the angle steel is connected with the tower cross arm through the first threaded holes in a bolt mode; through first screw hole, realize the dismantlement between angle steel and the shaft tower cross arm and be connected, also bore threaded hole in the same position on the shaft tower horizontal pole.
The other end of the supporting rod is provided with a thread, and one end of the bearing plate is provided with a second threaded hole matched with the thread; through the second screw hole, realize the dismantlement between bracing piece and the bearing plate and be connected.
Preferably, the number of the tower material connecting members is two, the number of the second threaded holes at one end of the bearing plate is two, and the two second threaded holes are respectively in threaded connection with the support rods of the two tower material connecting members; in order to adjust the direction of the bearing plate, in the scheme, the two tower material connecting members are arranged, firstly, the supporting rod of one tower material connecting member is connected with the bearing plate, the bearing plate can be rotated at the moment due to threaded connection, the extending direction of the bearing plate is adjusted, after the tower cross arm is adjusted in place, the other tower material connecting member is arranged at the position where the adjustment is in place due to the fact that the tower cross arm is provided with the cross arms which are paid out in multiple directions, and therefore the bearing plate is fixed through the two tower material connecting members, and the bearing plate is prevented from rotating.
Further optimizing, two second screw holes distribute along the length direction of the bearing plate.
Further optimizing, the hanging point comprises a pulley, a connecting rod and a hanging ring, the pulley comprises a pulley, and the pulley can walk on the upper side surface of the bearing plate along the length direction of the bearing plate; the other end of the bearing plate is provided with a long hole arranged along the length direction of the bearing plate, one end of the connecting rod is connected with the pulley, and the other end of the connecting rod downwards penetrates through the long hole and is connected with the hanging ring; in order to adjust the position of the hanging point, in the scheme, the hanging ring can be adjusted along the length direction of the bearing plate by rolling the pulley on the bearing plate, wherein the connecting rod penetrates through the strip hole to be connected with the hanging ring, and the pulley is prevented from sliding out of the bearing plate by limiting the strip hole; the tackle is provided with a pulley, a bearing, a braking device and the like, and the tackle is conventional in the prior art and is not described in detail herein.
Further optimization, the number of the pulleys is two, and the two pulleys are respectively arranged on two sides of the long hole; the pulley is convenient to roll in balance.
Further optimizing, a rubber pad is arranged on the contact surface of the bearing plate and the pulley; the pulley is used for increasing the friction force between the pulley and the bearing plate and avoiding the pulley sliding on the bearing plate when the pulley stops rolling.
The locking device is further optimized to further comprise a locking fastener, the locking fastener is U-shaped, a plurality of insertion holes are formed in two sides of the long hole and are uniformly distributed along the length direction of the bearing plate, the opening end portion of the locking fastener can be inserted into the insertion holes, and the clamping groove of the locking fastener is used for being clamped into the connecting rod between the two pulleys; for avoiding the pulley to stop when rolling, slide on the load board, in this scheme, through the hasp piece of the type of falling U, the jack is inserted in the reverse to including going into the connecting rod card between two pulleys, prevent that the pulley from continuing to slide along the load board behind the stall.
Preferably, the pulley is provided with a braking device, and the braking device is used for braking the pulley; the braking or movement of the pulley is controlled by a braking device.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model provides a change linear insulator extension support with electricity, this scheme of adoption is changing linear insulator in-process, hangs some perpendicular to shaft tower cross arm with insulating transmission system through extending the support and outwards stretches out, makes to hang some and body of the tower apart from being longer than the below cross arm to make insulator chain both ends bulb take out the back insulator cluster and can transfer to ground smoothly.
2. The utility model provides a live replacement linear insulator extension support, adopt this scheme, use the pulley to promote the tackle link to the suitable position, avoid getting the swing range of the insulator after taking off the insulator link; meanwhile, the position of a hanging point is adjusted when the insulator hanging ring is installed, so that an operator can recover the connection of the insulator string more easily.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:
fig. 1 is a schematic structural diagram of a tower connecting member according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an angle iron according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a force-bearing plate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a hanging point and a pulley according to an embodiment of the present invention;
fig. 5 is a schematic structural view of the locking member according to an embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
1-angle steel, 11-first threaded hole, 2-support rod, 3-bearing plate, 31-second threaded hole, 32-long hole, 33-jack, 4-pulley, 5-connecting rod, 6-hanging ring, 7-rubber pad and 8-locking piece.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
The embodiment provides an extension bracket for replacing a linear insulator in a live mode, which comprises a tower material connecting member, a bearing plate 3 and a hanging point, as shown in fig. 1-5;
the tower material connecting component comprises angle steel 1 and a support rod 2, the angle steel 1 is fixed on a tower cross arm, and two side edges of the angle steel 1 are abutted against two side edges of the tower cross arm; one end of the support rod 2 is connected with the angle steel 1, and the other end of the support rod extends upwards and is connected with one end of the force bearing plate 3;
the other end of the bearing plate 3 extends towards the side far away from the pole tower and is connected with the hanging point.
Compared with the prior art, when the same-tower double-circuit middle phase is replaced, the upper-phase straight-line whole string or single-piece self-explosion insulator is replaced, the situation that the cross arm where the insulator string to be replaced is located is shorter than the cross arm below the insulator string is often caused, and the situation that the insulator string cannot be smoothly put down to the ground after the ball heads at the two ends of the insulator string are taken out is caused, and the problem that the work of replacing the whole string of insulator string in an electrified mode cannot be completed.
Referring to fig. 1, as a specific embodiment for implementing detachable connection between an angle iron 1 and a tower cross arm, the following are provided: two side edges of the angle steel 1 are respectively provided with a first threaded hole 11, and the angle steel 1 is connected with the tower cross arm through the first threaded holes 11; wherein, the same position on the tower rail is drilled with a threaded hole.
Referring to fig. 1 and fig. 3, as a specific embodiment for realizing the detachable connection between the supporting rod 2 and the bearing plate 3, the following are provided: the other end of the support rod 2 is provided with a thread, and one end of the bearing plate 3 is provided with a second threaded hole 31 matched with the thread.
Referring to fig. 3, as a specific embodiment for adjusting the direction of the bearing plate 3, the following are provided: the number of the tower material connecting components is two, the number of the second threaded holes 31 at one end of the bearing plate 3 is two, and the two second threaded holes 31 are respectively in threaded connection with the support rods 2 in the two tower material connecting components;
it can be understood that, in this embodiment, the two tower material connecting members are provided, first, the support rod 2 of one tower material connecting member is connected with the bearing plate 3, and since the support plate 3 is connected by the screw thread, the bearing plate 3 can be rotated at this time, the extending direction of the bearing plate 3 is adjusted, and after the adjustment is completed, since the tower cross arm has the cross arms which are extended in multiple directions, another tower material connecting member is installed at the position where the adjustment is completed, so that the bearing plate 3 is fixed by the two tower material connecting members, and the rotation of the bearing plate 3 is prevented.
As a redundant solution, two second threaded holes 31 are distributed along the length direction of the bearing plate 3.
Referring to fig. 4, as a specific embodiment of adjusting the position of the hanging point, the following steps are performed: the hanging point comprises a pulley, a connecting rod 5 and a hanging ring 6, the pulley comprises a pulley 4, and the pulley 4 can run on the upper side surface of the bearing plate 3 along the length direction of the bearing plate 3; the other end of the bearing plate 3 is provided with a long hole 32 arranged along the length direction of the bearing plate 3, one end of the connecting rod 5 is connected with the pulley, and the other end of the connecting rod 5 downwards penetrates through the long hole 32 and is connected with the hanging ring 6;
it can be understood that, in this embodiment, the hanging ring 6 can be adjusted along the length direction of the bearing plate 3 by rolling the pulley on the bearing plate 3, wherein the connecting rod 5 passes through the elongated hole 32 to connect with the hanging ring 6, and the pulley is prevented from sliding out of the bearing plate 3 by the limitation of the elongated hole 32; the tackle is provided with a pulley 4, a bearing, a braking device and the like, and the tackle is conventional in the prior art and is not described in detail herein.
In this embodiment, two pulleys 4 are provided, and the two pulleys 4 are respectively disposed on two sides of the elongated hole 32; the pulley can roll in balance.
Referring to fig. 3, in the present embodiment, a rubber pad 7 is provided on the surface of the bearing plate 3 contacting with the pulley 4; the friction force between the pulley 4 and the bearing plate 3 is increased, and the pulley 4 is prevented from sliding on the bearing plate 3 when the pulley 4 stops rolling.
Referring to fig. 3 and 5, as a specific embodiment for avoiding the pulley 4 from sliding on the bearing plate 3 when the pulley stops rolling, the following are provided: the pulley locking device is characterized by further comprising a locking fastener 8, wherein the locking fastener 8 is U-shaped, a plurality of insertion holes 33 are formed in two sides of the long hole 32, the insertion holes 33 are uniformly distributed along the length direction of the bearing plate 3, the opening end portions of the locking fastener 8 can be inserted into the insertion holes 33, and the clamping grooves of the locking fastener 8 are used for being clamped into the connecting rods between the two pulleys 4;
it can be understood that in the embodiment, the reverse U-shaped locking fastener 8 is reversely inserted into the insertion hole 33, so that the connecting rod between the two pulleys 4 is clamped inside, and the pulleys 4 are prevented from continuously sliding along the bearing plate 3 after the rotation of the pulleys 4 is stopped.
In this embodiment, the tackle is provided with a braking device for braking the pulley 4; the braking or movement of the pulley 4 is controlled by a braking device.
The specific working principle is as follows: during operation, an operator on the tower carries a transfer rope to reach an operation point position, the tower material connecting component, the bearing plate 3 and the pulley are sequentially transferred to a cross arm of the tower, the operator firstly fixes one tower material connecting component at a proper position, then connects the bearing plate 3 to the support rod 2 through threads, then rotates to adjust the direction of the bearing plate 3, and after the adjustment is in place, connects the other tower material connecting component with the other second threaded hole 31 of the bearing plate 3, and then connects the other tower material connecting component to the cross arm of the tower; the pulley and the bearing plate 3 are connected initially, after the bearing plate 3 is installed, the pulley 4 is controlled to slide on the bearing plate 3 until the hanging ring 6 moves to a designated position, and then the locking piece 8 is inserted to prevent the pulley 4 from sliding; after the whole device is fixed, the insulation transfer rope is hung on the hanging ring 6 of the pulley, the ball head of the insulator string is taken out, the insulator string is separated from the cross arm, the hanging point pulley is moved to a proper position through the pulley 4, and the insulator string is transferred to the ground.
After the linear single-piece or single-piece self-explosion insulator is replaced, the insulator string is lifted to a proper position, the operator on the tower removes the pulley 4 braking device, takes out the locking fastener 8, moves the pulley hanging point to a position close to the cross arm, inserts the locking fastener 8 again, restores the connection of the grounding end hanging point, and completes the replacement of the linear single-piece or single-piece self-explosion insulator.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The extension support for replacing the linear insulator in a charged manner is characterized by comprising a tower material connecting member, a bearing plate (3) and a hanging point;
the tower material connecting component comprises angle steel (1) and supporting rods (2), the angle steel (1) is fixed on a cross arm of a tower, and two side edges of the angle steel (1) are abutted to two side edges of the cross arm of the tower; one end of the support rod (2) is connected with the angle steel (1), and the other end of the support rod extends upwards and is connected to one end of the force bearing plate (3);
the other end of the bearing plate (3) extends towards the side far away from the pole tower and is connected with the hanging point.
2. The extension bracket for the live replacement of the linear insulator is characterized in that two side edges of the angle steel (1) are provided with first threaded holes (11), and the angle steel (1) is in bolted connection with the tower cross arm through the first threaded holes (11).
3. The extension support for the live replacement of the linear insulator according to claim 1, wherein the other end of the support rod (2) is provided with a thread, and one end of the bearing plate (3) is provided with a second threaded hole (31) matched with the thread.
4. The extension support for the live replacement linear insulator according to claim 3, wherein the number of the tower material connecting members is two, the number of the second threaded holes (31) at one end of the bearing plate (3) is two, and the two second threaded holes (31) are respectively in threaded connection with the support rods (2) of the two tower material connecting members.
5. The extension bracket for the live replacement linear insulator of claim 4, wherein two second threaded holes (31) are distributed along the length direction of the bearing plate (3).
6. The extension bracket for the live replacement of the linear insulator is characterized in that the hanging point comprises a pulley, a connecting rod (5) and a hanging ring (6), the pulley comprises a pulley (4), and the pulley (4) can run along the length direction of the bearing plate (3) on the upper side surface of the bearing plate (3); the other end of the bearing plate (3) is provided with a long hole (32) arranged along the length direction of the bearing plate (3), one end of the connecting rod (5) is connected with the pulley, and the other end of the connecting rod (5) downwards penetrates through the long hole (32) and is connected with the hanging ring (6).
7. The extension bracket for replacing the linear insulator with electricity according to claim 6, wherein the number of the pulleys (4) is two, and the two pulleys (4) are respectively arranged at two sides of the long hole (32).
8. The extension support for the live replacement of the linear insulator according to claim 7, wherein the contact surface of the bearing plate (3) and the pulley (4) is provided with a rubber pad (7).
9. The extension bracket for the live replacement of the linear insulator is characterized by further comprising a locking piece (8), wherein the locking piece (8) is U-shaped, a plurality of inserting holes (33) are formed in two sides of the long hole (32), the inserting holes (33) are uniformly distributed along the length direction of the bearing plate (3), the opening end portion of the locking piece (8) can be inserted into the inserting holes (33), and the clamping groove of the locking piece (8) is used for clamping a connecting rod between the two pulleys (4).
10. A charged replacement linear insulator extension bracket according to claim 6, characterised in that the tackle is provided with braking means for braking the pulley (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223126320.0U CN218648462U (en) | 2022-11-24 | 2022-11-24 | Extension support for live replacement of linear insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223126320.0U CN218648462U (en) | 2022-11-24 | 2022-11-24 | Extension support for live replacement of linear insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218648462U true CN218648462U (en) | 2023-03-17 |
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ID=85498478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223126320.0U Active CN218648462U (en) | 2022-11-24 | 2022-11-24 | Extension support for live replacement of linear insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218648462U (en) |
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2022
- 2022-11-24 CN CN202223126320.0U patent/CN218648462U/en active Active
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