CN106945571B - Cross-shaped main insulation structure for insulator - Google Patents
Cross-shaped main insulation structure for insulator Download PDFInfo
- Publication number
- CN106945571B CN106945571B CN201710295211.6A CN201710295211A CN106945571B CN 106945571 B CN106945571 B CN 106945571B CN 201710295211 A CN201710295211 A CN 201710295211A CN 106945571 B CN106945571 B CN 106945571B
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- insulating rod
- insulating
- rod
- cross
- insulator
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- 238000009413 insulation Methods 0.000 title claims abstract description 70
- 239000012212 insulator Substances 0.000 title claims abstract description 50
- 238000005452 bending Methods 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 abstract description 16
- 238000009434 installation Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/18—Section insulators; Section switches
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insulators (AREA)
Abstract
The invention discloses a cross-shaped main insulation structure for an insulator, which comprises a first insulation rod and a second insulation rod which is arranged in a cross shape with the first insulation rod, wherein the first insulation rod and the second insulation rod are horizontally arranged, the second insulation rod is positioned below the first insulation rod, a fixing clamp is arranged in the middle of the first insulation rod, two ends of the second insulation rod penetrate out of the fixing clamp, the length of the first insulation rod is smaller than that of the second insulation rod, the cross section area of the first insulation rod is larger than that of the second insulation rod, the number of the first insulation rod is at least one, and the number of the second insulation rod is at least one. The invention has simple structure, the first insulating rod bears the pressure caused by bending moment, the second insulating rod bears the tension of the contact net wire, the deformation of the main insulating structure is reduced, the stability and the bending resistance of the main insulating structure are improved, and the invention has the characteristics of light weight per unit length and good insulating effect, and has strong practicability.
Description
Technical Field
The invention belongs to the technical field of electrical equipment, and particularly relates to a cross-shaped main insulation structure for an insulator.
Background
At present, the main insulation structures in the segmented insulator and the split-phase insulator are all in the forms of insulation rods with the same structure and size, insulation rods with different structures and sizes or single insulation rods, the insulator formed by the insulating material has low integral bending resistance and large unit weight. The main insulation structure has some problems: the insulator formed by the insulating rods with the same structure and size has low integral bending resistance, and if the integral bending resistance of the insulator formed by the main insulating structure is enhanced by adding one or more insulating rods, the integral weight of the insulator is increased; although the insulating rods with different structures and sizes can improve the integral bending resistance, the two insulating rods with different structures and sizes are generally vertically and parallelly arranged, so that the insulating rods positioned below cannot have better bearing effect on contact net wires, and larger moment is required to be borne, and the main insulating structure is easy to deform under the action of tension of the contact net wires; the insulator that single insulating rod constitutes, insulating rod lower surface and contact net wire lower surface are in the coplanar, guarantee locomotive pantograph quick, smooth-going through, but, under the effect of contact net wire tension, make the contact net wire produce the axial force along contact net wire direction, the axial force of contact net wire and insulating slide and metal slide's resultant force different line and produce moment of flexure and the bridge connecting fastener that insulating rod both ends are connected upwards crooked and form hard spot, appear drawing the arc even strike the bow condition, make the wearing and tearing of contact net wire aggravate. Therefore, a cross-shaped main insulation structure for an insulator, which is simple in structure, reasonable in design and high in safety and reliability, is needed, and is characterized in that the first insulation rod and the second insulation rod are arranged in a cross shape, so that the first insulation rod bears the pressure caused by bending moment, the second insulation rod bears the tension of a contact net wire, the deformation of the main insulation structure is reduced, the stability and the bending resistance of the main insulation structure are improved, and meanwhile, the main insulation structure has the characteristics of light weight per unit length and good insulation effect.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides a cross-shaped main insulation structure for an insulator, which has the characteristics of simple structure, reasonable design, high safety and reliability, strong practicability and convenient popularization and use, and is characterized in that a first insulation rod and a second insulation rod are arranged and are distributed in a cross shape, so that the first insulation rod bears the pressure caused by bending moment, the second insulation rod bears the tension of a contact net wire, the deformation of the main insulation structure is reduced, the stability and the bending resistance of the main insulation structure are improved, and meanwhile, the main insulation structure has the characteristics of light weight per unit length and good insulation effect.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a cross main insulation structure for insulator, includes first insulator spindle and is the second insulator spindle that the cross was laid with first insulator spindle, first insulator spindle and second insulator spindle all are the level and lay, just the second insulator spindle is located the below of first insulator spindle, the middle part of first insulator spindle is provided with mounting fixture, mounting fixture is worn out at the both ends of second insulator spindle, the length of first insulator spindle is less than the length of second insulator spindle, the cross-sectional area of first insulator spindle is greater than the cross-sectional area of second insulator spindle, the number of first insulator spindle is one at least, the number of second insulator spindle is one at least.
Foretell a cross main insulation structure for insulator, its characterized in that: the first insulating rod and the second insulating rod are rod-shaped insulators, the cross section of the first insulating rod is round, oval, square or rectangular, and the cross section of the second insulating rod is round, oval, square or rectangular.
Foretell a cross main insulation structure for insulator, its characterized in that: the first insulating rod is a rod-shaped insulator with an umbrella skirt, and the second insulating rod is a light rod-shaped insulator without an umbrella skirt.
Foretell a cross main insulation structure for insulator, its characterized in that: bridge connecting clamps are respectively arranged at two ends of the first insulating rod, connecting joints are respectively arranged at two ends of the second insulating rod, and the connecting joints are length-adjustable connecting joints.
Foretell a cross main insulation structure for insulator, its characterized in that: the first insulating rod and the second insulating rod comprise an outer insulating protection layer and a pulling rod arranged in the outer insulating protection layer.
Compared with the prior art, the invention has the following advantages:
1. the adopted cross-shaped main insulation structure for the insulator has the advantages of simple structure, reasonable design, high safety and reliability and lower cost.
2. The adopted cross-shaped main insulation structure comprises the first insulation rod and the second insulation rod, the first insulation rod and the second insulation rod are distributed in a cross shape, so that the first insulation rod bears the pressure caused by bending moment, the second insulation rod bears the tension of the contact net wire, the second insulation rod can exert main bearing effect on the contact net wire, the bearing effect is good, the situation that a hard point is bent upwards to form an arc-pulling even a bump is avoided, the deformation of the main insulation structure is reduced, the stability and the bending resistance of the main insulation structure are improved, and meanwhile, the main insulation structure has the characteristics of light weight per unit length and good insulation effect.
3. The length and the cross section structures of the first insulating rod and the second insulating rod in the adopted cross-shaped main insulating structure are different, the integral weight of the main insulating structure is reduced, the stability of the main insulating structure is ensured, the compression force born by the first insulating rod and the tension force born by the second insulating rod due to bending moment are coordinated, the problem that the integral bending resistance and the light weight of the main insulating structure are difficult to coordinate is solved, and the main insulating structure has the characteristics of light weight and good stability in unit length while having strong bending resistance, and has strong practicability.
4. The fixing clamp is arranged in the middle of the adopted first insulating rod, and the two ends of the second insulating rod penetrate out of the fixing clamp, so that the fixing clamp has the function of fixing the first insulating rod and the second insulating rod, and the stability of the first insulating rod and the second insulating rod can be improved, so that the integral strength of the main insulating structure is improved, and the stability and the bending resistance of the cross-shaped main insulating structure are good.
In conclusion, the novel insulating rod has the advantages of simple structure, reasonable design, high safety and reliability, and strong practicability, is convenient to popularize and use, and has the characteristics of light weight per unit length and good insulating effect by arranging the first insulating rod and the second insulating rod which are in cross arrangement, so that the deformation of the main insulating structure is reduced, and the stability and the bending resistance of the main insulating structure are improved.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Reference numerals illustrate:
1-a first insulating rod; 2-a second insulating rod; 3-fixing a clamp;
4-a bridge connecting wire clip; 5-a connection joint.
Detailed Description
As shown in fig. 1, the invention comprises a first insulating rod 1 and a second insulating rod 2 which is arranged in a cross shape with the first insulating rod 1, wherein the first insulating rod 1 and the second insulating rod 2 are horizontally arranged, the second insulating rod 2 is positioned below the first insulating rod 1, a fixing clamp 3 is arranged in the middle of the first insulating rod 1, two ends of the second insulating rod 2 penetrate out of the fixing clamp 3, the length of the first insulating rod 1 is smaller than that of the second insulating rod 2, the cross section area of the first insulating rod 1 is larger than that of the second insulating rod 2, the number of the first insulating rod 1 is at least one, and the number of the second insulating rod 2 is at least one.
In practical use, the fixing clamp 3 may also adopt other types of clamping grooves, and the clamping grooves and the first insulating rod 1 are integrally formed, so that the installation is convenient.
In this embodiment, through arranging the mounting fixture 3 in the intersection department of first insulating rod 1 and second insulating rod 2, play the effect of restraint first insulating rod 1 and second insulating rod 2 relative position, can improve the stability of first insulating rod 1 and second insulating rod 2 simultaneously, mounting fixture 3 can guarantee that main insulation structure is stable, the operation is dismantled in the equipment of being convenient for again simultaneously, improves the productivity effect.
In the real-time use process, through adjusting the height of the fixing clamp 3, the relative distance and the spatial position of the first insulating rod 1 and the second insulating rod 2 in the vertical direction can be adjusted, the stress relation of the first insulating rod 1 and the second insulating rod 2 can be better coordinated, the stress requirement of the contact net on large tension is met, the deformation under the action of the contact net on large tension can be greatly reduced, and the bending resistance of the main insulating structure is improved.
In this embodiment, the length and the cross-sectional area of the first insulating rod 1 and the second insulating rod 2 are different, so that the overall weight of the main insulating structure is reduced, the stability of the main insulating structure is ensured, meanwhile, the compressive force of the first insulating rod 1 caused by bending moment is coordinated with the tensile force of the second insulating rod 2, the problem that the overall bending resistance and the light weight of the main insulating structure are difficult to coordinate is solved, and the main insulating structure has the characteristics of light weight, good stability and strong practicability while having strong bending resistance.
In this embodiment, through setting up first insulating rod 1 and second insulating rod 2, and first insulating rod 1 and second insulating rod 2 are the cross and lay, make first insulating rod 1 bear the pressure that causes because of the moment of flexure, second insulating rod 2 bears the pulling force of contact net wire, make second insulating rod 2 play main bearing effect to the contact net wire, bearing effect is good, avoid bridge connecting clamp 4 to upwards crooked the hard spot to appear drawing the arc and even bump the bow condition, main insulation structure deformation is reduced, main insulation structure stability and bending resistance are improved, simultaneously have light in weight of unit length, insulating effectual characteristics, satisfy the installation requirement of high tension section contact net to the insulator.
In this embodiment, the first insulating rod 1 and the second insulating rod 2 are rod-shaped insulators, the cross-sectional shapes of the first insulating rod 1 and the second insulating rod 2 are circular, and the diameter of the first insulating rod 1 is larger than that of the second insulating rod 2.
In actual use, the diameters of the first insulating rod 1 and the second insulating rod 2 can be adjusted correspondingly according to specific requirements. The cross-sectional shape of the first insulating rod 1 may be elliptical, square, rectangular, or the like, and the cross-sectional shape of the second insulating rod 2 may be elliptical, square, rectangular, or the like.
In this embodiment, the first insulating rod 1 is a rod-shaped insulator with an umbrella skirt, and the second insulating rod 2 is a rod-shaped insulator without an umbrella skirt.
In this embodiment, bridge connection clamps 4 are respectively arranged at two ends of the first insulating rod 1, connection joints 5 are respectively arranged at two ends of the second insulating rod 2, and the connection joints 5 are length-adjustable connection joints.
In the embodiment, the bridge connecting wire clamp 4 and the connecting joint 5 are arranged to mount the metal sliding plate and the insulating sliding plate, so that the pantograph of the locomotive smoothly passes through the metal sliding plate and the insulating sliding plate; and the connecting joint 5 can play a role of connecting the wire joint clamp of the contact net, so that the contact net wire clamp is convenient to install on a contact net wire.
In this embodiment, the connecting joint 5 is a length-adjustable connecting joint, so that the processing and assembling procedures can be simplified, the difficulty in on-site installation and debugging can be reduced, the effect of coordinating the stress relation of the first insulating rod 1 and the second insulating rod 2 can be achieved, and the bending resistance of the main insulating structure can be improved.
In this embodiment, the first insulating rod 1 and the second insulating rod 2 each include an outer insulating protective layer and a pulling rod disposed in the outer insulating protective layer.
In the actual use process, the number of the first insulating rods 1 may be multiple, and the number of the second insulating rods 2 may be multiple. The requirements of cross-shaped main insulation structures for different insulators are met through the combination of different numbers of the first insulation rods 1 and the second insulation rods 2.
When the invention is implemented, the first insulating rod 1 and the second insulating rod 2 pass through the fixing clamp 3 respectively, the fixing clamp 3 is positioned in the middle of the first insulating rod 1, the first insulating rod 1 and the second insulating rod 2 are distributed in a cross shape by utilizing the fixing clamp 3, so that the first insulating rod 1 and the second insulating rod 2 are connected into a cross-shaped main insulating structure, the first insulating rod 1 bears the pressure caused by bending moment, the second insulating rod 2 bears the tension of a contact net wire, the second insulating rod 2 can exert main bearing force on the contact net wire, the bearing effect is good, the situation that a hard point is drawn or even bumped due to upward bending of a bridge connecting wire clamp 4 is avoided, the deformation of the main insulating structure is reduced, and the stability and the bending resistance of the main insulating structure are improved; then, the bridge connecting clamps 4 are installed at the two ends of the first insulating rod 1, the connecting joints 5 are installed at the two ends of the second insulating rod 2, the installation of the cross-shaped main insulating structure for the insulator is completed, the deformation of the main insulating structure is reduced, the stability and the bending resistance of the main insulating structure are improved, and meanwhile, the insulating rod has the characteristics of light weight per unit length, good insulating effect and high practicability.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (4)
1. A cross main insulation system for insulator, its characterized in that: the novel insulating rod comprises a first insulating rod (1) and a second insulating rod (2) which is arranged in a cross shape with the first insulating rod (1), wherein the first insulating rod (1) and the second insulating rod (2) are horizontally arranged, the second insulating rod (2) is positioned below the first insulating rod (1), a fixing clamp (3) is arranged in the middle of the first insulating rod (1), the two ends of the second insulating rod (2) penetrate out of the fixing clamp (3), the length of the first insulating rod (1) is smaller than that of the second insulating rod (2), the cross section area of the first insulating rod (1) is larger than that of the second insulating rod (2), the number of the first insulating rods (1) is at least one, and the number of the second insulating rods (2) is at least one.
The height of the fixing clamp (3) is adjusted, so that the relative distance and the spatial position of the first insulating rod (1) and the second insulating rod (2) in the vertical direction can be adjusted, the stress relation of the first insulating rod (1) and the second insulating rod (2) can be better coordinated, the stress requirement of the contact net on high tension is met, the deformation under the action of the contact net on high tension can be greatly reduced, and the bending resistance of the main insulating structure is improved;
bridge connecting clamps (4) are respectively arranged at two ends of the first insulating rod (1), connecting joints (5) are respectively arranged at two ends of the second insulating rod (2), and the connecting joints (5) are length-adjustable connecting joints.
2. A cross-shaped primary insulation structure for an insulator as set forth in claim 1, wherein: the first insulating rod (1) and the second insulating rod (2) are rod-shaped insulators, the cross section of the first insulating rod (1) is round, oval, square or rectangular, and the cross section of the second insulating rod (2) is round, oval, square or rectangular.
3. A cross-shaped primary insulation structure for an insulator as set forth in claim 2, wherein: the first insulating rod (1) is a rod-shaped insulator with an umbrella skirt, and the second insulating rod (2) is a light rod-shaped insulator.
4. A cross-shaped main insulation structure for an insulator according to claim 1 or 2, characterized in that: the first insulating rod (1) and the second insulating rod (2) comprise an outer insulating protection layer and a pulling rod arranged in the outer insulating protection layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295211.6A CN106945571B (en) | 2017-04-28 | 2017-04-28 | Cross-shaped main insulation structure for insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295211.6A CN106945571B (en) | 2017-04-28 | 2017-04-28 | Cross-shaped main insulation structure for insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106945571A CN106945571A (en) | 2017-07-14 |
| CN106945571B true CN106945571B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710295211.6A Active CN106945571B (en) | 2017-04-28 | 2017-04-28 | Cross-shaped main insulation structure for insulator |
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| Country | Link |
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| CN (1) | CN106945571B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH215861A (en) * | 1939-07-20 | 1941-07-15 | Bbc Brown Boveri & Cie | Contact wire crossing. |
| US4424889A (en) * | 1981-03-12 | 1984-01-10 | Hoeckele Max | Phase break-section insulator devices of high tensile strength |
| JPH09240329A (en) * | 1996-03-11 | 1997-09-16 | Railway Technical Res Inst | Slider supporting fitting for section |
| JP2004314914A (en) * | 2003-04-21 | 2004-11-11 | Central Japan Railway Co | Section insulator |
| JP2009006809A (en) * | 2007-06-27 | 2009-01-15 | Railway Technical Res Inst | Section insulator |
| CN102343834A (en) * | 2011-07-12 | 2012-02-08 | 浙江旺隆轨道交通设备有限公司 | Rigid section insulator |
| KR20120054461A (en) * | 2010-11-19 | 2012-05-30 | 한국철도기술연구원 | Insulation division device that abrasion resistance insulating material that is improved |
| CN202439579U (en) * | 2012-02-05 | 2012-09-19 | 李东生 | Ship-shaped section insulator |
| CN206067543U (en) * | 2016-09-30 | 2017-04-05 | 河北宏光供电器材有限公司 | High speed section insulator |
| CN206690914U (en) * | 2017-04-28 | 2017-12-01 | 西安铁路局科学技术研究所 | A kind of insulator cross Main Insulation Structure of Electric |
| CN206734102U (en) * | 2017-04-27 | 2017-12-12 | 西安铁路科学技术研究发展有限责任公司 | A kind of rhombus section insulator |
-
2017
- 2017-04-28 CN CN201710295211.6A patent/CN106945571B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH215861A (en) * | 1939-07-20 | 1941-07-15 | Bbc Brown Boveri & Cie | Contact wire crossing. |
| US4424889A (en) * | 1981-03-12 | 1984-01-10 | Hoeckele Max | Phase break-section insulator devices of high tensile strength |
| JPH09240329A (en) * | 1996-03-11 | 1997-09-16 | Railway Technical Res Inst | Slider supporting fitting for section |
| JP2004314914A (en) * | 2003-04-21 | 2004-11-11 | Central Japan Railway Co | Section insulator |
| JP2009006809A (en) * | 2007-06-27 | 2009-01-15 | Railway Technical Res Inst | Section insulator |
| KR20120054461A (en) * | 2010-11-19 | 2012-05-30 | 한국철도기술연구원 | Insulation division device that abrasion resistance insulating material that is improved |
| CN102343834A (en) * | 2011-07-12 | 2012-02-08 | 浙江旺隆轨道交通设备有限公司 | Rigid section insulator |
| CN202439579U (en) * | 2012-02-05 | 2012-09-19 | 李东生 | Ship-shaped section insulator |
| CN206067543U (en) * | 2016-09-30 | 2017-04-05 | 河北宏光供电器材有限公司 | High speed section insulator |
| CN206734102U (en) * | 2017-04-27 | 2017-12-12 | 西安铁路科学技术研究发展有限责任公司 | A kind of rhombus section insulator |
| CN206690914U (en) * | 2017-04-28 | 2017-12-01 | 西安铁路局科学技术研究所 | A kind of insulator cross Main Insulation Structure of Electric |
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| CN106945571A (en) | 2017-07-14 |
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