CN209250182U - A kind of 10kV frame-type single loop triangle arrangement insulator crossarm - Google Patents
A kind of 10kV frame-type single loop triangle arrangement insulator crossarm Download PDFInfo
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- CN209250182U CN209250182U CN201821539847.7U CN201821539847U CN209250182U CN 209250182 U CN209250182 U CN 209250182U CN 201821539847 U CN201821539847 U CN 201821539847U CN 209250182 U CN209250182 U CN 209250182U
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- insulator crossarm
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Abstract
The utility model relates to a kind of 10kV frame-type single loop triangle arrangement insulator crossarms, the frame-type insulator crossarm is divided into three phase isolated cross-arm and two oblique pull insulating support rods, to guarantee line conductor stress balance, it follows the original triangle arrangement mode of 10kV shaft tower to arrange, original irony cross-arm and insulator is replaced.Oblique pull insulating support rod both ends are respectively arranged in middle phase insulator crossarm and wherein one mutually lateral insulator crossarm, and installation site is insulator crossarm end fitting oblique pull installation hole location, and three phase isolated cross-arm and two oblique pull insulating support rods is made to form triangular frame structure.When single-phase transmission line stress, by triangular frame structure, by distribution of force in three phase isolated cross-arm and oblique pull insulating support rod.The final stress intensity realized insulator crossarm and meet the special shaft tower higher to force request such as corner pole, long span transmission line structure.
Description
Technical field
The utility model belongs to transmission line insulator cross-arm field, and in particular to a kind of 10kV frame-type single loop triangle row
Column insulator crossarm.
Background technique
As composite material is popularized on major network transmission line of electricity using continuous, 10kV distribution transmission line of electricity is to improve route
Operation expense is greatly reduced in dielectric level, and the transformation side of original metal cross arm is replaced using the insulator crossarm of composite material
Formula also gradually promotes and applies in the whole nation, and tentatively shows good overvoltage protection effect.
10kV electric power line pole tower is usually cement shaft tower using triangle arrangement arrangement, i.e., two phase conductors are placed in shaft tower two
Side, another phase conductor are placed on shaft tower top.To guarantee that whole line conductor stress balance, the transformation arrangement of insulator crossarm are logical
Often it is subject to original mode.
Since insulator crossarm is to guarantee design dielectric level, structure length is long much larger than the structure of original cross-arm and insulator
Degree, and the power that special shaft tower (such as angle tower, Great span tower etc.) is applied on insulator crossarm has been more than insulator crossarm tolerance range,
Therefore higher stress intensity requirement is proposed to the design of special shaft tower insulator crossarm.
It is to increase oblique pull or inclined support structure that 10kV electric power line pole tower and the common mechanical strength of cross-arm, which reinforce mode, above-mentioned
The fixed form of structure is usually to be reinforced between device and shaft tower or the earth to increase stretching or support construction.For shaft tower two sides
Insulator crossarm can be used such mode and reinforce, but conventional method can not the completion stress reinforcement transformation of Middle Phase insulator crossarm.
Summary of the invention
Problem to be solved in the utility model is in view of the above problems, to design a kind of 10kV frame-type single time
Road triangle arrangement insulator crossarm, include two side phase insulator crossarms, a middle phase insulator crossarm and two oblique pull insulating support rods,
Hole location is connected by end fitting, three insulator crossarms and two oblique pull support rods are interconnected to form to the frame of whole stress
Structure makes any insulator crossarm stress all be evenly distributed to each phase insulator crossarm, realize insulator crossarm meet corner pole,
The special shaft tower force request such as long span transmission line structure.
To solve the above problems, the utility model is realized using following design scheme: a kind of 10kV frame-type single loop three
Angle arranges insulator crossarm, and the three phase isolated cross-arm and oblique pull insulating support rod are all made of epoxy glass fiber as substrate, outside
Layer is provided with silicone rubber material, and design has umbrella group structure, and end is provided with functional end fitting.The three phase isolated cross-arm
Using original conducting wire triangle arrangement arrangement form install, by two oblique pull insulating support rods by middle phase insulator crossarm end with
Two sides phase insulator crossarm end is connected, and forms frame-type three-legged structure.
Further, the three phase isolated cross-arm uses 60mm diameter glass fibers substrate, and outer layer is provided with silicon rubber material
The insulating layer of matter, and designing has five groups of 15mm high umbrella group structures to be evenly arranged.The effect of cluster parachute separates mainly as rainwater.Insulation
Cross-arm end fitting is provided with the installation hole location of oblique pull insulating support rod in addition to being provided with conducting wire mounting groove, and aperture is big
Small is 16mm.
Further, the oblique pull insulating support rod uses 18mm diameter glass fibers substrate, and outer layer is provided with silicon rubber
The insulating layer of material, and design has two groups of 30mm high umbrella group structures, is respectively placed in oblique pull insulating support rod both ends.Oblique pull insulation branch
Strut end fitting is provided with the mounting hole that diameter is 16mm.
Further, the insulator crossarm arranges that is, side is mutually insulated according to the original triangle arrangement mode of 10kV transmission line of electricity
Cross-arm axis is parallel to the horizontal plane, and two side phase insulator crossarms and shaft tower axisymmetrical are arranged；Middle phase insulator crossarm axis with
Horizontal plane, and three insulator crossarm one end are connect with shaft tower.
Further, the oblique pull insulating support rod passes through the installation hole location of both ends end, by oblique pull insulating support rod one
End is connect with side phase insulator crossarm far from shaft tower end fitting, and the other end is connect with middle phase insulator crossarm far from shaft tower end fitting, and
Two oblique pull insulating support rods and shaft tower axisymmetrical arrange that final insulator crossarm and oblique pull insulating support rod form triangle-frame
Formula structure.
Further, the power that any phase cross-arm of the frame-type insulator crossarm is born will be distributed in three phase isolated cross-arm
On oblique pull insulating support rod, avoids single-phase insulator crossarm and independently bear corner power or drawing force.
The beneficial effects of the utility model are: 1. the utility model are based on routine 10kV electric power line pole tower or cross-arm is oblique
It draws supporting way to improve, oblique pull insulating support rod is applied to 10kV transmission line insulator cross-arm, passes through the knot of frame-type
Structure design, makes three insulator crossarms form a stress entirety.It is higher to be directed to the force requests such as corner pole, long span transmission line structure
Shaft tower, local pressure is distributed to three insulator crossarms and oblique pull insulating support rod, considerably reduces single insulator crossarm
Stress, improve the safety in operation of insulator crossarm.2. the oblique pull insulating support rod equally uses the identical base of insulator crossarm
Material, good insulation performance make frame-type triangle arrangement structure not influence phase insulation intensity.
Detailed description of the invention
Fig. 1 Conventional insulation cross-arm brace arrangement schematic diagram.
Fig. 2 frame-type single loop triangle arrangement insulator crossarm arrangement schematic diagram.
Wherein: 1. cement shaft towers；2. irony cross-arm；3. conventional brace；4. side phase insulator crossarm；5. mutually insulation is horizontal in
Load；6. oblique pull insulating support rod；7. insulator.
Specific embodiment
Specific embodiment of the present utility model is further described with reference to the accompanying drawings and examples.Following embodiment
It is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
As shown in Figure 1, the special shaft tower of routine 10kV transmission line of electricity in order to reinforce stress performance, usually adds irony cross-arm 2
Conventional brace 3 is filled, the brace 3 is connect by the anchor ear with tower top, and is connect with 2 end of irony cross-arm, is improved
The stress performance of irony cross-arm 2.But since middle phase insulator 7 is supported in shaft tower top end, conventional oblique pull mode can not be to it
It carries out effective stress performance and reinforces transformation.
As shown in Fig. 2, frame-type insulator crossarm is to guarantee line conductor stress balance, it then follows the original triangle row of 10kV shaft tower
Column mode is arranged, original irony cross-arm 2 and insulator 7 are replaced.The insulator crossarm be divided into side phase insulator crossarm 4 with it is middle mutually exhausted
Edge cross-arm 5, side phase insulator crossarm 4 is for replacing original irony cross-arm 2, and middle phase insulator crossarm 5 is for phase insulator 7 in replacing.
Three insulator crossarms are mounted on the board-like connection gold utensil in middle part, then are fastenedly connected by U-shaped anchor ear with cement shaft tower 1.
6 mounting means of oblique pull insulating support rod is different from conventional 3 mounting means of brace, and independent oblique pull is no longer arranged
The installation anchor ear of insulating support rod 6, but hole location is installed by insulator crossarm end brace and is attached.Every oblique pull insulation
6 both ends end of support rod is connect with middle 5 end of phase insulator crossarm and 4 head bolts of side phase insulator crossarm respectively, i.e. two oblique pulls
6 one end of insulating support rod is mounted on middle 5 end of phase insulator crossarm installation hole location, and the other end is respectively arranged in two sides and mutually insulate
4 end of cross-arm is installed by hole location.
Three insulator crossarms and two oblique pull insulating support rods 6 pass through above-mentioned mounting means formation frame-type triangle knot
Structure, when a phase or multiphase conducting wire are by larger steering force or drawing force, no longer the cross-arm where conducting wire is independently born, and is passed through
The interaction of frame structure will realize that insulator crossarm is directed to and turn on bearing distribution to each phase insulator crossarm and oblique pull support rod
The safety of the special shaft tower installation such as angular pole tower, long span transmission line structure.
Claims (5)
1. a kind of 10kV frame-type single loop triangle arrangement insulator crossarm, comprising mutually insulating in two side phase insulator crossarms, one
Cross-arm and two oblique pull insulating support rods, it is characterised in that: the 10kV frame-type single loop triangle arrangement insulator crossarm uses
Triangle arrangement arrangement, i.e. side phase insulator crossarm axis are parallel to the horizontal plane, and two side phase insulator crossarms and shaft tower axis
It is arranged symmetrically；Middle phase insulator crossarm axis and horizontal plane, and three insulator crossarm one end are connect with shaft tower, the oblique pull
Insulating support rod one end is connect with side phase insulator crossarm far from shaft tower end fitting, and the other end is with middle phase insulator crossarm far from shaft tower end
Fitting connection, and two oblique pull insulating support rods and shaft tower axisymmetrical are arranged.
2. 10kV frame-type single loop triangle arrangement insulator crossarm as described in claim 1, it is characterised in that: wherein oblique pull is exhausted
Edge support rod end fitting is provided with the mounting hole that diameter is 16mm, and the both ends of oblique pull insulating support rod are respectively arranged in middle mutually exhausted
Far from shaft tower end, installation site is insulator crossarm end fitting oblique pull mounting hole for edge cross-arm and wherein a phase side phase insulator crossarm
Position makes three insulator crossarms and two oblique pull insulating support rods form tri-angle frame type structure.
3. 10kV frame-type single loop triangle arrangement insulator crossarm as described in claim 1, it is characterised in that: wherein side is mutually exhausted
Edge cross-arm and middle phase insulator crossarm in addition to being provided with conducting wire mounting groove, are provided with oblique pull insulation far from shaft tower end fitting simultaneously
The installation hole location of support rod, pore size 16mm, insulator crossarm inside is epoxy glass fiber substrate, and diameter of section is
60mm, outside have silicon rubber as protective layer, and are provided with umbrella group structure.
4. 10kV frame-type single loop triangle arrangement insulator crossarm as described in claim 1, it is characterised in that: wherein oblique pull is exhausted
It is epoxy glass fiber substrate inside edge support rod, diameter of section 18mm, outside has silicon rubber as protective layer, and is provided with
Umbrella group structure.
5. 10kV frame-type single loop triangle arrangement insulator crossarm as described in claim 1, it is characterised in that: three thoroughly do away with edge cross
Load is respectively arranged with 5 groups of 15mm high cluster parachutes and is evenly arranged, and two oblique pull insulating support rods are respectively arranged with the cluster parachute of 2 groups of 30mm high
And it is distributed in support rod insulating layer both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821539847.7U CN209250182U (en) | 2018-09-20 | 2018-09-20 | A kind of 10kV frame-type single loop triangle arrangement insulator crossarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821539847.7U CN209250182U (en) | 2018-09-20 | 2018-09-20 | A kind of 10kV frame-type single loop triangle arrangement insulator crossarm |
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| Publication Number | Publication Date |
|---|---|
| CN209250182U true CN209250182U (en) | 2019-08-13 |
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ID=67518281
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821539847.7U Active CN209250182U (en) | 2018-09-20 | 2018-09-20 | A kind of 10kV frame-type single loop triangle arrangement insulator crossarm |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117708A (en) * | 2020-09-02 | 2020-12-22 | 高布仁巴雅尔 | 10kV insulation cross arm wire installation pulley support |
| CN112211473A (en) * | 2020-08-26 | 2021-01-12 | 国网浙江永康市供电有限公司 | Double-circuit line double-triangle arranged insulating pole erecting tool |
| CN115126325A (en) * | 2022-05-27 | 2022-09-30 | 国网甘肃省电力公司电力科学研究院 | Cat-head tower of overhead transmission line and middle-phase transformation method of cat-head tower |
-
2018
- 2018-09-20 CN CN201821539847.7U patent/CN209250182U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211473A (en) * | 2020-08-26 | 2021-01-12 | 国网浙江永康市供电有限公司 | Double-circuit line double-triangle arranged insulating pole erecting tool |
| CN112117708A (en) * | 2020-09-02 | 2020-12-22 | 高布仁巴雅尔 | 10kV insulation cross arm wire installation pulley support |
| CN112117708B (en) * | 2020-09-02 | 2021-12-07 | 广西电网有限责任公司贵港供电局 | 10kV insulation cross arm wire installation pulley support |
| CN115126325A (en) * | 2022-05-27 | 2022-09-30 | 国网甘肃省电力公司电力科学研究院 | Cat-head tower of overhead transmission line and middle-phase transformation method of cat-head tower |
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