CN221168950U - Insulating cross arm for distribution network - Google Patents
Insulating cross arm for distribution network Download PDFInfo
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- CN221168950U CN221168950U CN202323182455.3U CN202323182455U CN221168950U CN 221168950 U CN221168950 U CN 221168950U CN 202323182455 U CN202323182455 U CN 202323182455U CN 221168950 U CN221168950 U CN 221168950U
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- cross arm
- insulating cross
- clamping piece
- insulating
- weight
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- 230000007246 mechanism Effects 0.000 claims abstract description 82
- 239000012212 insulator Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 206010014357 Electric shock Diseases 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses an insulating cross arm for a distribution network, which relates to the technical field of electric power engineering and comprises an electric pole, wherein an insulating cross arm mechanism is arranged on the outer surface of the top of the electric pole, insulators are fixedly arranged at the tops of the two ends of the insulating cross arm mechanism, the tops of the insulators are connected with electric wires, counterweight mechanisms are fixedly arranged at the bottoms of the two ends of the insulating cross arm mechanism, and a pulling mechanism is clamped and arranged on the outer surface of the electric wire. The insulating cross arm mechanism is fixed on the electric pole in a double mode, is more stable, convenient to assemble and disassemble, does not need to punch holes, is convenient for high-altitude operation, and can be used for tensioning the electric wires through the traction mechanism in combination with the weight balancing mechanism, so that the electric wires are prevented from being reduced in distance between adjacent cables due to aging and lengthening, the mutual influence and interference between the cables are reduced, the problems of electromagnetic interference, voltage sag and the like are avoided, the stability and the reliability of the circuit are improved, and the weight balancing mechanism can ensure enough pulling force to straighten the electric wires through the number of extra weight blocks hung down.
Description
Technical Field
The utility model relates to the technical field of power engineering, in particular to an insulating cross arm for a distribution network.
Background
The insulating cross arm is a special type of cross arm used in a power distribution network system, has insulating performance and is used for supporting and fixing a high-voltage transmission line. The insulating cross arm is usually made of glass fiber reinforced plastic, ceramic or composite materials so as to ensure that electric conduction or electric leakage cannot occur in the power transmission process, plays an important role in a power distribution network system, can improve the reliability and safety of a power transmission line, and is particularly important when the power transmission line needs to cross complex terrains such as rivers, valleys and cities. The following problems exist in the prior art:
The overhead electric wire between the insulating cross arms can appear ageing along with live time, and the situation that the electric wire that lays through insulating cross arm overhead can appear becoming longer, and the cable ageing back that becomes longer, the distance between adjacent cable probably can reduce. This increases the interaction and interference between the cables, may lead to problems of electromagnetic interference, voltage sag, etc., reduces the stability and reliability of the line, and the cables may also contact surrounding buildings, trees, etc., increasing potential shock risks or incurring other hazards.
Therefore, an insulating cross arm for a distribution network is provided.
Disclosure of utility model
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides an insulating cross arm for distribution network, includes the pole, the top surface mounting of pole has insulating cross arm mechanism, the both ends top fixed mounting of insulating cross arm mechanism has the insulator, the top of insulator is connected with the electric wire, the both ends bottom of insulating cross arm mechanism is fixed with counter weight mechanism, the surface centre gripping of electric wire is installed and is drawn the mechanism, the bottom fixedly connected with counter weight line of drawing the mechanism, insulating cross arm mechanism is including insulating cross arm; the pulling mechanism comprises a lower clamping piece; the counterweight mechanism comprises an insulating plate.
The technical scheme of the utility model is further improved as follows: the pulling mechanism is fixedly connected with the weight balancing mechanism through a weight balancing line.
The technical scheme of the utility model is further improved as follows: the adjusting groove is formed in the insulating cross arm, a first screw is inserted into the insulating cross arm, a first nut is inserted into one end of the first screw in a threaded mode, an installation elastic piece is fixedly installed at the top of the insulating cross arm, a second screw is inserted into two ends of the installation elastic piece in a threaded mode, a second nut is inserted into one end of the second screw in a threaded mode, and a first nut is installed into one end of the first screw in a threaded mode.
The technical scheme of the utility model is further improved as follows: the lower clamping piece is connected with a third screw in a threaded manner, the lower clamping piece is provided with an upper clamping piece through the third screw, the bottom of the third screw is provided with a third nut in a threaded manner, and the bottom of the lower clamping piece is provided with a rotating shaft in a rotating manner.
The technical scheme of the utility model is further improved as follows: the lower clamping piece is movably connected with the counterweight line through a rotating shaft at the bottom.
The technical scheme of the utility model is further improved as follows: one side fixed mounting of insulation board has the support, rotate on the support and install the runner, one side overlap joint balance weight line of runner, the bottom fixedly connected with balancing weight of balance weight line, the bottom of balancing weight articulates and has the loading piece.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. The utility model provides an insulating cross arm for a distribution network, which is characterized in that under the combined action of an insulating cross arm, a first screw rod, an adjusting groove, an installation elastic piece, a second screw rod, a second nut and a first nut of an insulating cross arm mechanism, the insulating cross arm and the installation elastic piece are attached to the outer surface of one side of an electric pole, then the second screw rod threads penetrate through the two ends of the installation elastic piece, the second nut is installed, the installation elastic piece is attached and fixed to the surface of the electric pole, then the first screw rod penetrates through the insulating cross arm, and then the first nut is installed through the threads, so that the insulating cross arm mechanism is fixed to the surface of the electric pole in a double mode, the double installation and fixation of the insulating cross arm mechanism on the electric pole are more stable, the dismounting are convenient, the punching is not needed, and the high-altitude operation is convenient.
2. The utility model provides an insulating cross arm for a distribution network, which is characterized in that under the combined action of a third screw rod, an upper clamping piece, a third nut, a rotating shaft and a lower clamping piece of a pulling mechanism, the lower clamping piece is firstly attached to the bottom surface of an electric wire, then the upper clamping piece is attached to the surface of the electric wire corresponding to the lower clamping piece, then the third screw rod penetrates through the two sides of the upper clamping piece and the lower clamping piece, the third nut is arranged on the threads of the upper clamping piece and the lower clamping piece, the upper clamping piece and the lower clamping piece are fixedly clamped on the outer surface of the electric wire, the direction of a counterweight wire is adjusted through the rotating shaft, so that the counterweight wire is abutted against the counterweight mechanism, the counterweight mechanism tightens the electric wire through the pulling mechanism, the electric wire is prevented from being lengthened due to ageing, the mutual influence and interference between the cables are reduced, the problems of electromagnetic interference, voltage sag and the like are avoided, the stability and the reliability of the circuit are improved, and the electric wire is prevented from being contacted with surrounding buildings, trees and the like, so that potential electric shock risk or other hazards are reduced.
3. The utility model provides an insulating cross arm for a distribution network, which is characterized in that under the combined action of a rotating wheel, an insulating plate, a bracket, a balancing weight and a weight block of a weight balancing mechanism, a pulling mechanism is fixedly connected with the weight balancing mechanism through a weight balancing wire, the weight balancing wire is lapped around one side surface of the rotating wheel, then is connected with the balancing weight, the force of the aged side of an electric wire, which is drooping, is transferred to the pulling mechanism, and then the force transfer direction is changed by the rotating wheel to the vertically downward balancing weight and the weight block, so that the electric wire is straightened through the weight balancing mechanism, the problems of drooping, reduced distance between adjacent cables and the like caused by the aged and lengthened electric wire are prevented, meanwhile, the longer the overhead electric wire is paved when the distance of the insulating cross arm is larger, the corresponding weight is heavier, and the enough pulling force can be ensured through the number of the additionally hung weight blocks.
Drawings
Fig. 1 is a schematic structural view of an insulating cross arm for a distribution network of the present utility model;
FIG. 2 is a schematic view of the structure of the insulating cross arm mechanism of the present utility model;
FIG. 3 is a schematic diagram of the pulling mechanism of the present utility model;
Fig. 4 is a schematic structural view of the counterweight mechanism of the utility model.
In the figure: 1. an electric pole; 2. an insulating cross arm mechanism; 3. an insulator; 4. an electric wire; 5. a pulling mechanism; 6. a weight line; 7. a weight mechanism; 21. an insulating cross arm; 22. a first screw; 23. an adjustment tank; 24. installing a spring plate; 25. a second screw; 26. a second nut; 27. a first nut; 51. a third screw; 52. an upper clamping piece; 54. a third nut; 55. a rotating shaft; 56. a lower clamping piece; 71. a rotating wheel; 73. an insulating plate; 74. a bracket; 75. balancing weight; 76. and a negative weight block.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides an insulating cross arm for a distribution network, which comprises an electric pole 1, wherein an insulating cross arm mechanism 2 is arranged on the outer surface of the top of the electric pole 1, insulators 3 are fixedly arranged on the tops of two ends of the insulating cross arm mechanism 2, electric wires 4 are connected to the tops of the insulators 3, counterweight mechanisms 7 are fixedly arranged at the bottoms of two ends of the insulating cross arm mechanism 2, a pulling mechanism 5 is arranged on the outer surface of each electric wire 4 in a clamping manner, a counterweight wire 6 is fixedly connected to the bottom of each pulling mechanism 5, and the pulling mechanism 5 is fixedly connected with the counterweight mechanisms 7 through the counterweight wires 6.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the insulating cross arm mechanism 2 comprises an insulating cross arm 21, an adjusting groove 23 is formed in the insulating cross arm 21, a first screw rod 22 is inserted into the insulating cross arm 21, a first nut 27 is inserted into one end of the first screw rod 22 in a threaded manner, an installation elastic sheet 24 is fixedly installed at the top of the insulating cross arm 21, a second screw rod 25 is inserted into two ends of the installation elastic sheet 24 in a threaded manner, a second nut 26 is inserted into one end of the second screw rod 25 in a threaded manner, and a first nut 27 is installed into one end of the first screw rod 22 in a threaded manner.
In this embodiment, through the combined action of the insulating cross arm 21, the first screw 22, the adjusting groove 23, the installation elastic sheet 24, the second screw 25, the second nut 26 and the first nut 27 of the insulating cross arm mechanism 2, the insulating cross arm 21 and the installation elastic sheet 24 are attached to the outer surface of one side of the electric pole 1 at first, then the second screw 25 is threaded through the two ends of the installation elastic sheet 24, the second nut is installed, the installation elastic sheet 24 is attached to and fixed to the surface of the electric pole 1, then the first screw 22 is threaded through the insulating cross arm 21, the first nut 27 is installed, and the insulating cross arm 21 is fixed to the surface of the electric pole 1, so that the double installation and fixation of the insulating cross arm mechanism 2 on the electric pole 1 are realized, the electric pole is more stable, the electric pole is convenient to assemble and disassemble, no punching is needed, and the high-altitude operation is convenient.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the pulling mechanism 5 comprises a lower clamping piece 56, a third screw rod 51 is inserted on the lower clamping piece 56 in a threaded manner, an upper clamping piece 52 is installed on the lower clamping piece 56 through the third screw rod 51, a third nut 54 is installed on the bottom of the third screw rod 51 in a threaded manner, a rotating shaft 55 is rotatably installed at the bottom of the lower clamping piece 56, and the lower clamping piece 56 is movably connected with the counterweight line 6 through the rotating shaft 55 at the bottom.
In this embodiment, under the combined action of the third screw rod 51, the upper clamping piece 52, the third nut 54, the rotating shaft 55 and the lower clamping piece 56 of the pulling mechanism 5, the lower clamping piece 56 is firstly attached to the bottom surface of the electric wire 4, then the upper clamping piece 52 is attached to the surface of the electric wire 4 corresponding to the lower clamping piece 56, then the third screw rod 51 penetrates through the upper clamping piece 52 and the two sides of the lower clamping piece 56, the third nut 54 is mounted on the threads, the upper clamping piece 52 and the lower clamping piece 56 are fixedly clamped on the outer surface of the electric wire 4, the direction of the counterweight wire 6 is adjusted through the rotating shaft 55, so that the counterweight wire 6 is abutted against the counterweight mechanism 7, and the counterweight mechanism 7 tightens the electric wire 4 through the pulling mechanism 5, so that the distance between adjacent cables caused by ageing and lengthening of the electric wire 4 is prevented, the mutual influence and interference between the cables are reduced, the problems of electromagnetic interference, voltage sag and the like are avoided, the stability and reliability of the circuit are improved, and the electric wire 4 is prevented from contacting with surrounding buildings, trees and the like, so that potential electric shock risks or other hazards are reduced.
Example 4
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the weight mechanism 7 comprises an insulating plate 73, a bracket 74 is fixedly arranged on one side of the insulating plate 73, a rotating wheel 71 is rotatably arranged on the bracket 74, one side of the rotating wheel 71 is lapped with the weight wire 6, the bottom of the weight wire 6 is fixedly connected with a weight block 75, and the bottom of the weight block 75 is hung with a weight block 76.
In this embodiment, under the combined action of the rotating wheel 71, the insulating plate 73, the bracket 74, the balancing weight 75 and the weight block 76 of the weight mechanism 7, the pulling mechanism 5 is fixedly connected with the weight mechanism 7 through the weight wire 6, the weight wire 6 is lapped around one side surface of the rotating wheel 71, then the weight block 75 is connected, the force of the aged side sag of the electric wire 4 is transferred to the pulling mechanism 5, and then the force transfer direction is changed to the vertically downward balancing weight 75 and the weight block 76 by the rotating wheel 71, so that the electric wire 4 is straightened through the weight mechanism 7, the problems of sag, reduced distance between adjacent cables and the like caused by the aged and lengthened electric wire 4 are prevented, meanwhile, the weight block 76 hung under the balancing weight 75 can be used for straightening the electric wire 4 through the number of the additionally hung weight block 76 according to the distance between the electric wire 4 laid overhead by the insulating cross arm, and the longer the electric wire 4 laid overhead is required by the longer insulating cross arm distance.
The working principle of the insulating cross arm for the distribution network is specifically described below.
As shown in fig. 1-4, under the combined action of the insulating cross arm 21, the first screw 22, the adjusting groove 23, the mounting elastic sheet 24, the second screw 25, the second nut 26 and the first nut 27 of the insulating cross arm mechanism 2, the insulating cross arm 21 and the mounting elastic sheet 24 are attached to the outer surface of one side of the electric pole 1, then the second screw 25 is threaded through two ends of the mounting elastic sheet 24, the second nut is mounted, the mounting elastic sheet 24 is attached and fixed to the surface of the electric pole 1, then the first screw 22 is threaded through the insulating cross arm 21 and is provided with the first nut 27, and the insulating cross arm 21 is fixed to the surface of the electric pole 1, so that the double installation and fixation of the insulating cross arm mechanism 2 on the electric pole 1 are realized, the electric pole is more stable, the dismounting is convenient, the high-altitude operation is facilitated, under the combined action of the third screw 51, the upper clamping piece 52, the third nut 54, the rotating shaft 55 and the lower clamping piece 56 of the pulling mechanism 5, the lower clamping piece 56 is attached to the bottom surface of the electric wire 4, the upper clamping piece 52 is attached to the surface of the electric wire 4 corresponding to the lower clamping piece 56, the third screw rod 51 penetrates through the upper clamping piece 52 and the two sides of the lower clamping piece 56, the third nut 54 is arranged in a threaded manner, the upper clamping piece 52 and the lower clamping piece 56 are fixedly clamped on the outer surface of the electric wire 4, the direction of the counterweight wire 6 is adjusted through the rotating shaft 55, the counterweight wire 6 is abutted against the counterweight mechanism 7, the counterweight mechanism 7 tightens the electric wire 4 through the pulling mechanism 5, the distance between adjacent cables caused by aging and lengthening of the electric wire 4 is prevented from being reduced, the mutual influence and interference between the cables are reduced, the problems of electromagnetic interference, voltage sag and the like are avoided, the stability and the reliability of a circuit are improved, the electric wire 4 is prevented from contacting with surrounding buildings, trees and the like, thereby the potential electric shock risk or other damage is reduced, under the combined action of the rotating wheel 71, the insulating plate 73, the bracket 74, the balancing weight 75 and the weight block 76 of the weight mechanism 7, the pulling mechanism 5 is fixedly connected with the weight mechanism 7 through the weight wire 6, the weight wire 6 is lapped and bypasses one side surface of the rotating wheel 71, then the balancing weight 75 is connected, the force of the aged side sagging of the electric wire 4 is transferred to the pulling mechanism 5, then the transferring direction of the force is changed to the vertically downward balancing weight 75 and the weight block 76 by the rotating wheel 71, so that the electric wire 4 is straightened through the weight mechanism 7, the problems of sagging, reduced distance between adjacent cables and the like caused by the aged lengthening of the electric wire 4 are prevented, meanwhile, the weight block 76 hung under the balancing weight 75 can be used for ensuring enough pulling force to straighten the electric wire 4 according to the distance between the electric wires 4 laid overhead by the longer distance between the insulating cross arms, and the heavier corresponding weight is.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides an insulating cross arm for distribution network, includes pole (1), its characterized in that: the electric pole is characterized in that an insulating cross arm mechanism (2) is arranged on the outer surface of the top of the electric pole (1), an insulator (3) is fixedly arranged at the top of two ends of the insulating cross arm mechanism (2), an electric wire (4) is connected to the top of the insulator (3), a counterweight mechanism (7) is fixedly arranged at the bottom of two ends of the insulating cross arm mechanism (2), a pulling mechanism (5) is arranged on the outer surface of the electric wire (4) in a clamping mode, a counterweight wire (6) is fixedly connected to the bottom of the pulling mechanism (5), and the insulating cross arm mechanism (2) comprises an insulating cross arm (21); the pulling mechanism (5) comprises a lower clamping piece (56); the counterweight mechanism (7) comprises an insulating plate (73).
2. The insulating cross arm for a distribution network according to claim 1, wherein: the pulling mechanism (5) is fixedly connected with the weight balancing mechanism (7) through a weight balancing line (6).
3. The insulating cross arm for a distribution network according to claim 1, wherein: the novel insulating cross arm is characterized in that an adjusting groove (23) is formed in the insulating cross arm (21), a first screw (22) is inserted into the insulating cross arm (21), a first nut (27) is inserted into one end thread of the first screw (22), an installation elastic piece (24) is fixedly installed at the top of the insulating cross arm (21), a second screw (25) is inserted into two ends of the installation elastic piece (24), a second nut (26) is inserted into one end thread of the second screw (25), and a first nut (27) is installed into one end thread of the first screw (22).
4. The insulating cross arm for a distribution network according to claim 1, wherein: the lower clamping piece (56) is connected with a third screw rod (51) in a threaded manner, the lower clamping piece (56) is provided with an upper clamping piece (52) through the third screw rod (51), the bottom of the third screw rod (51) is provided with a third nut (54) in a threaded manner, and the bottom of the lower clamping piece (56) is provided with a rotating shaft (55) in a rotating manner.
5. The insulating cross arm for a distribution network according to claim 4, wherein: the lower clamping piece (56) is movably connected with the counterweight line (6) through a rotating shaft (55) at the bottom.
6. The insulating cross arm for a distribution network according to claim 1, wherein: one side fixed mounting of insulation board (73) has support (74), rotate on support (74) and install runner (71), one side overlap joint counter weight line (6) of runner (71), the bottom fixedly connected with balancing weight (75) of counter weight line (6), the bottom of balancing weight (75) articulates has loading piece (76).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323182455.3U CN221168950U (en) | 2023-11-24 | 2023-11-24 | Insulating cross arm for distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323182455.3U CN221168950U (en) | 2023-11-24 | 2023-11-24 | Insulating cross arm for distribution network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221168950U true CN221168950U (en) | 2024-06-18 |
Family
ID=91437022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323182455.3U Active CN221168950U (en) | 2023-11-24 | 2023-11-24 | Insulating cross arm for distribution network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221168950U (en) |
-
2023
- 2023-11-24 CN CN202323182455.3U patent/CN221168950U/en active Active
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