CN210325358U - Insulator string capable of automatically dissipating energy in power transmission line - Google Patents

Insulator string capable of automatically dissipating energy in power transmission line Download PDF

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Publication number
CN210325358U
CN210325358U CN201921589122.3U CN201921589122U CN210325358U CN 210325358 U CN210325358 U CN 210325358U CN 201921589122 U CN201921589122 U CN 201921589122U CN 210325358 U CN210325358 U CN 210325358U
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China
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plate
transmission line
wire
power transmission
insulator
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CN201921589122.3U
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曹自潭
曹自波
李波
周芳
李帅
燕磊
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State Grid Corp of China SGCC
Xiangyang Power Supply Co of State Grid Hubei Electric Power Co Ltd
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State Grid Corp of China SGCC
Xiangyang Power Supply Co of State Grid Hubei Electric Power Co Ltd
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Abstract

The utility model provides an insulator chain that can consume energy automatically among transmission line, relate to transmission line operation technical field, link plate one end is connected with the right angle link plate through connecting bolt, the right angle link plate is connected with spring gold utensil one through the adjustment backing plate, spring gold utensil once adjusts yoke plate one, the bulb link plate is connected with the plug of insulator, the insulator other end is through the bulb link plate, adjustment yoke plate two is connected with spring gold utensil two, spring gold utensil two is connected with the fastener gold utensil through the adjustment backing plate, the right angle link plate, the fastener gold utensil is connected with the fastener wire casing through fastener bolt, be fixed with transmission of electricity wire on the fastener wire casing, adjustment yoke plate one, be equipped with amplitude measuring device on the adjustment yoke plate. The utility model discloses producing the deformation margin at the disconnected strand fastener department of appearing tired, the automatic power consumption of front and back spring avoids the vibration phase difference, increases the power consumption effect. Simple structure, application scope is wide, reduces transmission line and puts the stress concentration and move the bending strain in fastener department, reduces tired disconnected strand phenomenon, improves transmission line life.

Description

Insulator string capable of automatically dissipating energy in power transmission line
Technical Field
The utility model relates to a transmission line operation technical field, specific insulator chain that can consume energy automatically among transmission line that says so.
Background
When the transmission line is under the action of wind force in the operation process, corresponding high-frequency low-amplitude breeze vibration, intermediate-frequency medium-amplitude sub-span vibration and low-frequency high-amplitude waving can occur along with the influence of factors such as wind speed, ice coating, wire model, terrain conditions and the like, wherein the breeze vibration is particularly common. These vibrations pose a great threat to the safe operation of the transmission line, so that it is necessary to reduce the line vibrations and take energy-consuming measures. At the present stage, a common energy consumption method is to install a damper and a damping wire and remove ice coating in time for prevention and treatment, but at the fixing position of an iron tower of a wire, the wire is repeatedly bent to gather large dynamic bending strain, and long-time gathering can lead the wire to be fatigued and broken, thereby threatening the safe operation of the line.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the insulator string capable of automatically dissipating energy in the power transmission line, effectively reducing stress concentration and dynamic bending strain of the power transmission wire at the mounting point, reducing the fatigue and strand breakage condition of the power transmission wire and prolonging the service life of the power transmission wire in safe operation.
In order to realize the purpose, the utility model discloses a link plate, right angle link plate, adjustment backing plate, spring gold utensil, adjustment yoke plate, insulator, fastener gold utensil, fastener wire casing, link plate one end is connected with right angle link plate through connecting bolt, and right angle link plate is connected with spring gold utensil one through adjustment backing plate, and once adjusting yoke plate one, the bulb link plate is connected with the plug of insulator, and the insulator other end is connected with spring gold utensil two through bulb link plate, adjustment yoke plate two, and spring gold utensil two is connected with the fastener gold utensil through adjustment backing plate, right angle link plate, and the fastener gold utensil is connected with the fastener wire casing through the fastener bolt, be fixed with transmission of electricity wire on the fastener wire casing.
Furthermore, the first adjusting connecting plate and the second adjusting connecting plate are respectively provided with an amplitude measuring device.
Furthermore, the amplitude measuring device comprises an amplitude measuring pointer and an amplitude measuring scale rod, wherein the amplitude measuring pointer is connected with the adjusting base plate through an amplitude measuring pointer mounting nail, and the amplitude measuring scale rod is connected with the adjusting connecting plate I or the adjusting connecting plate II through an amplitude measuring scale rod mounting nail.
Furthermore, the other end of the hanging plate is fixedly connected with the cross arm hanging piece through a mounting bolt.
Furthermore, the hanging plate is one of a double-plate parallel hanging plate, a U-shaped hanging plate or a duckbilled hanging plate.
Furthermore, an upper equalizing ring and a lower equalizing ring are respectively arranged at the two ends of the insulator.
Furthermore, the head ends of the connecting bolt and the wire clamp plug pin are provided with closed pins.
Furthermore, a wire aluminum tape is arranged outside the power transmission wire and fixed on the wire clamping groove through a U-shaped bolt.
Furthermore, the wire clamp wire slot is one of a handbag type wire slot or a pre-twisted wire slot.
Further, both ends of the first spring fitting and the second spring fitting are provided with spring fitting straight line segments, threads are arranged on the spring fitting straight line segments, fixing nuts are connected to the threads, and the number of spring rings of the first spring fitting and the number of spring rings of the second spring fitting are 6-10 rings.
Compared with the prior art, the utility model discloses meet external energy effect such as wind energy at transmission line system after, the spring gold utensil becomes the extension state by balanced state, produces the deformation margin in the fastener department that extremely easily appears tired disconnected strand, carries out automatic power consumption in the front and back spring of insulator chain, and two upper and lower springs are effective and are avoided the phase difference of vibration, increase power consumption's effect. The utility model discloses bolt-up's connection form, simple structure, part replaceability is big, and application scope is wider, can reduce transmission line stress concentration and the dynamic bending strain of fastener department at key position energy consumption, reduces tired disconnected strand phenomenon, reduces transmission line's change number of times, improves the life of transmission wire in the safe operation process.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic partial structure diagram of the spring fitting and the amplitude measuring device in fig. 1.
Fig. 3 is a schematic view of a duckbill-shaped hanging plate.
Fig. 4 is a schematic view of a U-shaped hanging plate.
Fig. 5 is a schematic view of a double-plate parallel hanging plate.
Fig. 6 is a schematic view of a pre-twisted wire clamp.
Fig. 7 is a schematic view of a first usage state of the present invention. (double insulator double hanging point type)
Fig. 8 is a schematic view of the usage state of the present invention. (Single insulator double hanging point type)
Fig. 9 is a third schematic view of the usage state of the present invention. (double insulator single hanging point type)
In the figure, 1, a hanging plate, 2, a mounting bolt, 3, a connecting bolt, 4, a right-angle hanging plate, 5, a closed pin, 6, an adjusting cushion plate, 7, a first spring fitting, 8, a first adjusting coupling plate, 9, a ball head hanging plate, 10, a core rod, 11, an upper equalizing ring, 12, an insulator, 13, a lower equalizing ring, 14, a second adjusting coupling plate, 15, a second spring fitting, 16, a wire clamp fitting, 17, a wire clamp bolt, 18, a wire clamp wiring groove, 19, a U-shaped bolt, 20, an amplitude measuring pointer, 21, an amplitude measuring scale rod, 22, a connecting hole, 23, a fixing nut, 24, a straight spring fitting line section, 25, a gasket, 26, an amplitude measuring pointer mounting nail, 27, an amplitude measuring scale rod mounting nail, 28, a cross arm hanging piece, 29, a sheathing belt plate, 30, a triangular coupling plate, 31, a rectangular coupling plate, 32, a lead aluminum, 33, a transmission lead, 34 and a pre-stranding wire clamp wiring groove, 35. the pre-twisted wire, 36, a pre-twisted wire clamp fitting, 37, a duckbilled hanging plate, 38, a duckbilled hanging hole, 39, a U-shaped hanging plate and 40, and a double-plate parallel hanging plate.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses a link plate 1, right angle link plate 4, adjustment backing plate 6, spring gold utensil, adjustment yoke plate, insulator 12, fastener gold utensil 16, fastener wire casing 18, the spring gold utensil includes spring gold utensil one 7, two 15 of spring gold utensil, and the adjustment yoke plate is including adjustment yoke plate one 8, two 14 of adjustment yoke plates. One end of the hanging plate 1 is connected with a right-angle hanging plate 4 through a connecting bolt 3, the right-angle hanging plate 4 is connected with a first spring fitting 7 through an adjusting backing plate 6, a connecting hole 22 is formed in the adjusting backing plate 6, the first spring fitting 7 penetrates through the connecting hole 22 and is fixed through a fixing nut 23 and a gasket 25, the first spring fitting 7 is connected with a core rod 10 of an insulator 12 through an adjusting backing plate 8 and a ball head hanging plate 9, the core rod 10 and the insulator 12 are connected into a whole, the other end of the insulator 12 is connected with a second spring fitting 15 through the ball head hanging plate 9 and an adjusting backing plate 14, the second spring fitting 15 is connected with a second wire fitting 16 through the adjusting backing plate 6 and the right-angle hanging plate 4, the two wire fittings 16 are in a group, the wire fitting 16 is connected with two groove bodies 18 through a wire clamp bolt 17, the right-angle hanging plate 4 changes the direction of the wire clamp groove 18, a wire hole is formed in, and a transmission conductor 33 is fixed on the wire clamp wire slot 18. The wire clamp trunking 18 is provided with a triangular protrusion for fixing a U-shaped bolt 19, and the wire clamp trunking 18 and the transmission conductor 32 are fixed together by the U-shaped bolt 19.
And the first adjusting connecting plate 8 and the second adjusting connecting plate 14 are respectively provided with an amplitude measuring device so as to measure and monitor the amplitudes of the first spring fitting 7 and the second spring fitting 15 in real time.
The amplitude measuring device comprises an amplitude measuring pointer 20 and an amplitude measuring scale rod 21, wherein the amplitude measuring pointer 20 is connected with the adjusting backing plate 6 through an amplitude measuring pointer mounting nail 26, and the amplitude measuring scale rod 21 is connected with the adjusting connecting plate I8 or the adjusting connecting plate II 14 through an amplitude measuring scale rod mounting nail 27. The amplitude measuring pointer 20 and the amplitude measuring scale rod 21 are used in a matched mode, and 0 scale is marked at the position of the amplitude measuring scale rod 21 pointed by the amplitude measuring pointer 20 when the balance is achieved after installation. When the spring deforms, the deformation quantity of the spring is read out at the position pointed by the amplitude measuring scale rod 21 through the amplitude measuring pointer 20, and the vibration condition of the power transmission conductor in the actual use process is monitored.
The other end of the hanging plate 1 is fixedly connected with a cross arm hanging piece 28 through a mounting bolt 2. The cross arm hanging piece 28 is further provided with a stiffening plate 29, the length of the left side and the right side of the stiffening plate 29 is 100cm, the strength of the cross arm hanging piece 28 is increased, and the mounting bolt 2 penetrates through the stiffening plate 29 to fix the hanging plate 1 on the cross arm hanging piece 28.
The hanging plate 1 is one of a double-plate parallel hanging plate, a U-shaped hanging plate or a duckbilled hanging plate. The hanging plate 1 can be selected from a double-plate parallel hanging plate, a U-shaped hanging plate and a duckbilled hanging plate according to the stress magnitude of the power transmission conductor 32, the position and the form of a hanging piece on the cross arm of the iron tower and other factors.
As shown in fig. 3, is a schematic view of the duckbill hanging plate. The duckbilled hanging plate is folded into a connecting piece with a wide upper part and a narrow lower part by the duckbilled hanging plate 37, the mounting bolt 2 penetrates through the upper end of the duckbilled hanging plate 37, and the two sides are fastened by the fixing nut 23 and the closed pin 5. The lower end of the duckbilled hanging plate 37 is provided with a duckbilled hanging hole 38 for hanging the right-angle hanging plate 4 at the lower part.
As shown in fig. 4, is a schematic view of a U-shaped hanging plate. The U-shaped hanging plate is penetrated through the U-shaped hanging plate 39 by a bolt 2, and two sides are fastened by a fixing nut 23 and a closed pin 5. The lower end of the U-shaped hanging plate 39 is provided with a connecting hole for hanging the right-angle hanging plate 4.
As shown in fig. 5, it is a schematic view of a double-plate parallel hanging plate. The double-plate parallel hanging plate is provided with a double-plate parallel hanging plate 40, the middle of the double-plate parallel hanging plate is provided with a hole, the installation bolt 2 penetrates through the double-plate parallel hanging plate 40, and the two sides of the installation bolt are fastened by a bolt 3 and a closed pin 5.
And an upper equalizing ring 11 and a lower equalizing ring 13 are respectively arranged at two ends of the insulator 12. The number of insulator strings is determined according to the voltage grade.
The head ends of the connecting bolt 3 and the wire clamp plug 17 are provided with a closing pin 5 to prevent the nut from loosening.
The outer part of the transmission conductor 33 is provided with a conductor aluminum tape 32, and the conductor aluminum tape 32 is fixed on the wire clamping groove 18 through a U-shaped bolt 19, so that the transmission conductor 33 is prevented from being exposed outside, and the rigidity of the transmission conductor 33 at the position of a wire clamp is enhanced.
The wire clamp wire slot 18 is one of a handbag type wire slot or a pre-twisted wire slot. The form of a lever-up type wire groove can be adopted according to the actual requirement. The handbag type wire chase is suitable for power transmission lines in mountainous areas and low-voltage grades.
Fig. 6 shows a preformed wire casing, wherein the adjusting pad 6 is connected to a preformed wire clamp fitting 36 through a wire clamp plug 17, the preformed wire clamp fitting 36 is of a U-shaped structure, the preformed wire clamp fitting 36 tightly sleeves the preformed wire clamp wire casing 34, the preformed wire 35 passes through the preformed wire clamp wire casing 34, and the power transmission wire 33 passes through the preformed wire 35. The connection mode is suitable for environments with strong vibration such as plains and riverways.
The two ends of the first spring fitting 7 and the two ends of the second spring fitting 15 are both provided with spring fitting straight line sections 24, the spring fitting straight line sections 24 are provided with threads, the threads are connected with fixing nuts 23, the fixing nuts 23 and gaskets 25 are used for connecting the spring fitting straight line sections 24 with the adjusting base plate 6, the first adjusting connecting plate 8 or the second adjusting connecting plate 14 respectively, the number of spring rings of the first spring fitting 7 and the second spring fitting 15 is 6-10 rings, the spring rings are obtained through calculation according to stress, and the spring fittings can be selected according to the specification and the weight of the power transmission conducting wire 33.
The utility model discloses both can be used to the installation of single conductor circuit and use, also can be used to the installation of many conductor circuit and use. According to the different changes of the adjusting yoke plate form, the utility model discloses there is following different embodiments.
In the first embodiment, as shown in fig. 7, a schematic view of a dual-insulator dual-hanging-point type usage state is shown. A triangular connecting plate 30 is manufactured by adjusting a first connecting plate 8, two threaded holes are formed in the lower end of the triangular connecting plate 30, and two groups of spring type wire clamp fittings are used for forming a double-split single-connecting wire clamp fitting respectively. The second adjusting yoke plate 14 is changed into a rectangular yoke plate 31 (also called LF type yoke plate), so that the stability between two wires is increased. This embodiment is suitable for use with heavier double split conductors. The hanging plate 1, the right-angle hanging plate 4, the adjusting base plate 6, the adjusting yoke plate, the triangular yoke plate 30 and the rectangular yoke plate 31 are made of hot-dip galvanized steel materials.
The second embodiment is a schematic view of a single-insulator double-hanging-point type usage state, as shown in fig. 8. The second adjusting yoke plate 14 is manufactured into a triangular yoke plate 30, the lower end of the triangular yoke plate 30 is provided with two threaded holes, and the two groups of spring fittings 7 are used for connecting the two wire clamp wire slots 18 respectively so as to meet the requirement of light double-split wires.
In the third embodiment, as shown in fig. 9, a schematic view of a dual-insulator single hanging point type usage state is provided. In the first embodiment, the rectangular linking plate 31 is adjusted to be the triangular linking plate 30, and the obtuse-angle end of the triangular linking plate 30 is connected with the second spring fitting 15. This embodiment is suitable for high mass single conductor use.
The utility model discloses not being limited to above-mentioned embodiment, still can select the yoke plate of types such as triangle-shaped yoke plate, rhombus yoke plate, the trapezoidal yoke plate of falling, flat hexagon yoke plate, crossing yoke plate according to insulator chain's distance, factors such as string angle to satisfy different production, operational environment's needs.

Claims (10)

1. An insulator string capable of automatically dissipating energy in a power transmission line is characterized by comprising a hanging plate (1), a right-angle hanging plate (4), an adjusting base plate (6), a spring fitting, an adjusting yoke plate, an insulator (12), a wire clamp fitting (16) and a wire clamp wire slot (18), wherein one end of the hanging plate (1) is connected with the right-angle hanging plate (4) through a connecting bolt (3), the right-angle hanging plate (4) is connected with a first spring fitting (7) through the adjusting base plate (6), the first spring fitting (7) is connected with a core rod (10) of the insulator (12) through the adjusting yoke plate (8) and a ball head hanging plate (9), the other end of the insulator (12) is connected with a second spring fitting (15) through the ball head hanging plate (9) and the adjusting yoke plate (14), the second spring fitting (15) is connected with the wire clamp fitting (16) through the adjusting base plate (6) and the right-angle hanging plate (4), the wire clamp wire pin (17) of, and a transmission conductor (33) is fixed on the wire clamp wire slot (18).
2. The insulator string capable of dissipating energy automatically in the power transmission line according to claim 1, wherein the first adjusting connecting plate (8) and the second adjusting connecting plate (14) are respectively provided with an amplitude measuring device.
3. The insulator string capable of dissipating energy automatically in the power transmission line according to claim 2, wherein the amplitude measuring device comprises an amplitude measuring pointer (20) and an amplitude measuring scale rod (21), the amplitude measuring pointer (20) is connected with the adjusting base plate (6) through an amplitude measuring pointer mounting nail (26), and the amplitude measuring scale rod (21) is connected with the adjusting connecting plate I (8) or the adjusting connecting plate II (14) through an amplitude measuring scale rod mounting nail (27).
4. The insulator string capable of dissipating energy automatically in the power transmission line according to claim 1, wherein the other end of the hanging plate (1) is fixedly connected with a cross arm hanging piece (28) through a mounting bolt (2).
5. The insulator string capable of automatically dissipating energy in the power transmission line according to claim 1, wherein the hanging plate (1) is one of a double-plate parallel hanging plate, a U-shaped hanging plate or a duckbilled hanging plate.
6. The insulator string capable of dissipating energy automatically in the power transmission line according to claim 1, wherein an upper grading ring (11) and a lower grading ring (13) are respectively arranged at two ends of the insulator (12).
7. The insulator string capable of dissipating energy automatically in the power transmission line according to claim 1, wherein the head ends of the connecting bolt (3) and the wire clamp plug pin (17) are provided with a closed pin (5).
8. The insulator string capable of dissipating energy automatically in the power transmission line according to claim 1, wherein a wire aluminum tape (32) is arranged outside the power transmission wire (33), and the wire aluminum tape (32) is fixed on the wire clamping groove (18) through a U-shaped bolt (19).
9. The insulator string capable of automatically dissipating energy in the power transmission line according to claim 8, wherein the wire clamp trunking (18) is one of a handbag trunking and a pre-twisted trunking.
10. The insulator string capable of automatically dissipating energy in the power transmission line according to claim 1, wherein two ends of the first spring fitting (7) and the second spring fitting (15) are respectively provided with a straight spring fitting section (24), the straight spring fitting section (24) is provided with a thread, the thread is connected with a fixing nut (23), and the number of the spring rings of the first spring fitting (7) and the second spring fitting (15) is 6-10.
CN201921589122.3U 2019-09-24 2019-09-24 Insulator string capable of automatically dissipating energy in power transmission line Active CN210325358U (en)

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CN201921589122.3U CN210325358U (en) 2019-09-24 2019-09-24 Insulator string capable of automatically dissipating energy in power transmission line

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Application Number Priority Date Filing Date Title
CN201921589122.3U CN210325358U (en) 2019-09-24 2019-09-24 Insulator string capable of automatically dissipating energy in power transmission line

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113125288A (en) * 2021-04-20 2021-07-16 国网河北省电力有限公司电力科学研究院 Wind-excited vibration wear simulation test device for composite insulation cross arm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113125288A (en) * 2021-04-20 2021-07-16 国网河北省电力有限公司电力科学研究院 Wind-excited vibration wear simulation test device for composite insulation cross arm

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