CN205908090U - Cross arm and strain insulator tower - Google Patents
Cross arm and strain insulator tower Download PDFInfo
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- CN205908090U CN205908090U CN201620792106.4U CN201620792106U CN205908090U CN 205908090 U CN205908090 U CN 205908090U CN 201620792106 U CN201620792106 U CN 201620792106U CN 205908090 U CN205908090 U CN 205908090U
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Abstract
The utility model discloses a cross arm and strain insulator tower is used for the strain insulator tower, the strain insulator tower includes the body of the tower, the one end of cross arm is connected on the body of the tower, the cross arm is kept away from the one end of body of the tower is the free end for connecting wire, the free end includes end connecting part and wire jumper device, wire jumper device level sets up end connecting part is last for articulate the wire jumper. Improving level at above -mentioned end connecting part and setting up the wire jumper device, then this wire jumper device can not take the ascending space of vertical side, can dwindle the conductor layer interval to can cancel dead end insulator and complicated gold utensil connection, the structure is simplified, reduce cost to the tower head size that consequently can reduce the strain insulator tower.
Description
Technical field
This utility model is related to a kind of power transmission and transforming equipment, specifically a kind of cross-arm and anchor support.
Background technology
In overhead transmission line, power transmission tower plays the effect supporting wire, particularly by being fixed on power transmission tower
Cross-arm support wire, its concrete connected mode is that wire hangs over the free end of cross-arm.Anchor support is generally used for bearing injustice
Weighing apparatus tension force, generally by strain insulator-string, the power on wire is delivered on tower body.Anchor support includes linear tension tower, angle tower and end
Head tower, can bear lead, horizontal loading that ground wire produces, anchor support both sides wire needs to be connected with wire jumper.
Referring to Fig. 1, in traditional anchor support 10, need to carry out wire jumper using strain insulator string 1 and related gold utensil, resistance to
Open insulator chain 1 and the use of gold utensil makes the vertical spacing between cross-arm 2 very big, and make tower head 3 complex structure, size
Larger, keep in repair and inconvenience is installed so that anchor support 100 high cost, conductor load effect and tower head wind load are larger, and tower body weight
Amount is big.
Utility model content
For the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of cross-arm, uses on anchor support
This cross-arm supports wire, can cancel strain insulator and the gold utensil of complexity connects, reduce wire interlamellar spacing, can reduce anchor support
Tower head size, simplifies structure, reduces cost.
For achieving the above object, the technical scheme that this utility model is adopted is as follows: a kind of cross-arm, for anchor support, institute
State anchor support and include tower body, one end of described cross-arm is connected on described tower body, and described cross-arm away from one end of described tower body is
Free end, for connecting wire, described free end arranges end coupling and bridle wire apparatus, and described bridle wire apparatus are horizontally set on
On described end coupling, for mounting wire jumper.
Bridle wire apparatus are horizontally disposed with above-mentioned end coupling, then this bridle wire apparatus will not take the sky on vertical direction
Between, can reduce wire interlamellar spacing, and strain insulator can be cancelled and the gold utensil of complexity connects, therefore can reduce anchor support
Tower head size, simplify structure, reduces cost.
Preferably, described bridle wire apparatus are composite post insulators, and described composite post insulator one end connects described end
Portion's connector, the other end mounts described wire jumper.Above-mentioned bridle wire apparatus are set to composite post insulator, cross-arm electricity can be optimized
?.
Preferably, described composite post insulator mounts described wire jumper by connection gold utensil.So convenient connection is installed.
Preferably, described anchor support is angle tower, and described end coupling is also associated with extension device, in the projection of horizontal plane
In, described extension device stretches out from described end coupling, and described wire is connected on described extension device, described extension device with described
The angle of the center line of cross-arm is more than the angle of described wire and the center line of described cross-arm.
In angle tower, there is minimum electric clearance requirement between wire and tower body, this electric clearance and wire are to tower body
The shortest space length relevant, minimum electric clearance is avoided that and causes electrical breakdown and ensure personal safety.This utility model exists
In the projection of horizontal plane, above-mentioned extension device stretches out from above-mentioned free end along parallel or away from above-mentioned tower body direction, tower body both sides
The distance between the mounting point of two wires can increase, and then the distance between wire and tower body can be increased, not change
The electric clearance between wire and tower body is increased in the case of cross-arm length.
Preferably, the both sides in described end coupling are respectively provided with described extension device.Two wires of tower body both sides can
It is articulated in respectively on the extension device of end coupling both sides, increase the distance between wire and tower body.
Preferably, a described extension device is arranged on described end coupling, two described wires of tower body both sides divide
It is not connected to the two ends of described extension device.Above-mentioned extension device can be mounted in an entirety of above-mentioned end coupling, only needs
This is overall fixing with free end.
Preferably, at least one reinforcement is provided with described extension device.The setting of reinforcement can increase extension device
Intensity and structural stability.
Preferably, at least one described reinforcement connects described extension device and described end coupling.Reinforcement and prolongation
Part and end coupling can form a stable triangular structure, increase the intensity of extension device further.
Preferably, described cross-arm is compound cross-arm.
For the deficiencies in the prior art, the two of the purpose of this utility model is to provide a kind of anchor support, and anchor support comprises
State tower body and above-mentioned cross-arm.The tower head size of this anchor support is less, saves material cost and easy for installation.
Brief description
Fig. 1 is the schematic perspective view of anchor support 10 in prior art；
Fig. 2 is the schematic perspective view of the angle tower 100 of this utility model embodiment one；
Fig. 3 is the schematic perspective view of the angle tower 200 of this utility model embodiment two；
Fig. 4 is the amagnified partial perspective schematic diagram of Fig. 3；
Fig. 5 is the top view of the angle tower 300 of this utility model embodiment three；
Fig. 6 is the close-up schematic view of Fig. 5.
Specific embodiment
As requested, specific embodiment of the present utility model will be disclosed here.It is to be understood, however, that institute here
The embodiment disclosing is only exemplary of the present utility model, and it can be presented as various forms.Therefore, disclose here
Detail be not to be considered as limiting, and be merely possible to the basis of claim and as instructing this area
Technical staff by practice any appropriate in the way of differently apply representational basis of the present utility model, including using here
Disclosed various features and combine here may not clearly disclosure feature.
Embodiment one:
As shown in Fig. 2 in the present embodiment, angle tower 100 is used for dual loop transmission line, and angle tower 100 includes tower body
101, six roots of sensation cross-arm 110 is provided with angle tower 100, is respectively used to connect three-phase conducting wire.One end of cross-arm 110 is connected to tower
On body 101, cross-arm 110 is free end away from one end of tower body 101, for connecting wire 103.The free end setting of cross-arm 110
End coupling 111 and bridle wire apparatus 120, and bridle wire apparatus 120 are horizontally set on end coupling 111, for mounting
Wire jumper 102.The setting of bridle wire apparatus 120 in the present embodiment instead of strain insulator string of the prior art and its correlation is multiple
Miscellaneous gold utensil attachment structure, reduces the vertical distance between each phase cross-arm, and then reduces the tower head size of angle tower 100,
Save the material of tower body 101, simplify structure, reduces cost.
Specifically, tower body 101 can adopt lattice iron and steel tower or the body of rod, or composite material pole tower etc.
The Transmission Tower of other forms.In the present embodiment, bridle wire apparatus 120 include a composite post insulator 121, and this is combined
Support insulator 121 includes the plug of inside and the full skirt of mandrel outer, and plug is by glass fiber impregnated epoxy resin pultrusion；
The material of full skirt is high-temperature silicon disulfide rubber, by mandrel outer overall vacuum injection moulding.This composite post insulator 121
Two ends are the flanges 122 of mucilage binding, for connecting end coupling 111 or wire clamp gold utensil thus wire jumper 102 can be mounted.
As shown in Fig. 2 in the present embodiment, the flange 122 of this composite post insulator 121 one end and end coupling
111 connections, the mode such as specifically can be bolted, weld and being attached, and this composite post insulator 121 is connected by end
Part 111 level stretches out setting to the direction away from tower body 101, and the flange 122 of the other end directly mounts wire jumper 102.Wire jumper 102
Middle part is articulated on composite post insulator 121, and the two ends of wire jumper 102 connect the corner wire 103 of cross-arm both sides, are achieved that
Wire connects.
Traditional strain insulator string is articulated in the end of cross-arm, is vertically arranged between adjacent biphase cross-arm, and this
In utility model, the setting of composite post insulator 121 can ban strain insulator string.Due to composite post insulator 121 level
It is arranged on end coupling 111, composite post insulator 121 will not take between neighbouring not homophase cross-arm itself
Vertical distance.In vertical plane, wire jumper 102 also only has the sag of little radian.So being not required between adjacent biphase up and down cross-arm
Larger vertical spacing is set, in the case of meeting electrical performance demands, can arrange between the phase three-phase cross-arm of upper, middle and lower
More more compact, the tower head size making angle tower 100 can be less, thus simplifying structure, reduces cost.
In the present embodiment, every phase cross-arm 110 of angle tower 100 all includes composite post insulator 121 it is clear that corner
Can also only have one on tower 100 mutually or biphase cross-arm 100 comprises composite post insulator 121.When angle tower 100 is that single loop is defeated
It is only necessary to arrange the cross-arm 110 of corresponding number according to actual condition when electric line or more multiple loop transmission line.Additionally,
When anchor support is for linear tension tower or terminal tower, it is also adopted by identical bridle wire apparatus 120 it is only necessary to set according to actually used situation
Put wire 103, will not be described here.Bridle wire apparatus 120 can not also adopt composite post insulator 121, but adopts
The insulating part of other forms is used for tie jumper 102, as long as actual operation requirements can be met.
As shown in Fig. 2 an extension device 112 is also associated with end coupling 111, in the projection of horizontal plane, extend
Part 112 stretches out from end coupling 111, and two wires 103 of tower body both sides are connected to the two ends of extension device 112.At this
In embodiment, extension device 112 is horizontally set on end coupling 111, and vertical with composite post insulator 121, extension device
112 are more than the angle of wire 103 and the center line of cross-arm 112 with the angle of the center line of cross-arm 110.
In the present embodiment, wire 103 and the angle of cross-arm 110 center line are 60 °, extension device 112 and cross-arm 110 center line
Angle is 90 °.The setting of extension device 112 is equivalent to the virtual point of intersection extending tower body 101 homonymy two corner wire 103, because
This wire 103 increases apart from the distance of tower body 101, can meet wire 103 and tower body in the case of not changing cross-arm 110 length
Electric clearance between 101, it is to avoid cross-arm 110 is long.
In the present embodiment, extension device 112 is to be horizontally set on end coupling 111, therefore can directly use extension device
112 are made comparisons with cross-arm 110 center line angle, it is apparent that extension device 112 can also not exclusively be located in horizontal plane, extension device 112
An angle can be offset in vertical plane, as long as in the projection of horizontal plane, extension device 112 is big with the angle of cross-arm 110 center line
Angle in homonymy wire 103 and cross-arm 110 center line.
In the present embodiment, end coupling 111 one end is sleeve, glueds joint with cross-arm 110；One end is that connecting plate (does not show
Go out), it is connected with extension device 112.End coupling 111 is not utility model point of the present utility model, end coupling 111
As long as meet can be fixing with extension device 112, will not be described here.In addition the connected mode of extension device 112 and wire 103
It is not the utility model point of utility model, is to be mounted by wire clamp generally in the art, as long as being capable of wire 103 and prolonging
The connection of long part 112.
Embodiment two:
As shown in figure 3, the angle tower 200 of this utility model second embodiment is basic with the angle tower 100 of first embodiment
Identical, except that, composite post insulator 221 mounts wire jumper 202 by connection gold utensil 230.
Specifically, as shown in figure 4, connecting hole 223 is arranged on the flange 222 of composite post insulator 221 end, by even
Connect hole 223 and be connected with connection gold utensil 230, connection gold utensil 230 arranges at least two wire clamps 231, at least two wire clamps 231 can press from both sides
Hold wire jumper 202.In the present embodiment, wire clamp 231 and connection gold utensil 230 can be using any appropriate existing constructions, as long as energy
Enough realizations connect, and will not be described here.
Regulating part 232 can also be arranged between connection gold utensil 230 and flange 222 be used for adjusting connection gold utensil 230 and being combined
The distance between support insulator 221 is to adapt to the demand of different operating modes.Regulating part 232 is strip plate, longitudinally sets along it
Put multiple through holes separately, by connection gold utensil 230 and through holes different thereon be attached i.e. scalable connection gold utensil 230 with
The distance between composite post insulator 221.Certainly, regulating part 232 can also adopt other forms, such as regulating part 232 and company
The end connecing one of gold utensil 230 is provided with screw rod, and another end is provided with the screw thread being adapted with this screw rod, screw rod
Screw on screw thread and both screwing lengths are adjustable, thus precession different length is realized adjusting on screw thread by screw rod.
Embodiment three:
As shown in Figure 5 and Figure 6, in the present embodiment, the angle tower 300 of this utility model 3rd embodiment and the first enforcement
The angle tower 100 of example is essentially identical, except that, cross-arm 310 is that v font is combined cross-arm, and the opening of v font connects tower body
301, this v font is combined cross-arm and includes end coupling 311, extension device 312 and bridle wire apparatus 320 in v word apex.Extension device
312 both sides being separately positioned on end coupling 311, bridle wire apparatus 320 are horizontally set on end coupling 311.
Cross-arm 310 includes two composite cross-arm insulators 313, and each composite cross-arm insulator 313 includes insulation tube 314 He
Silicon rubber umbrella skirt 315 outside insulation tube 314, can fill sf in insulation tube 3146Deng insulating gas it is also possible to filled polyurethane
Foam.Two composite cross-arm insulators 313 are fixed together by end coupling 311 in v font apex.
Two extension devices 312 are separately positioned on the both sides of end coupling 311, and two wires 303 of corner mount respectively
On two extension devices 312.In the present embodiment, wire 303 and the angle of cross-arm 310 center line are 50 °, extension device 312 with horizontal
The angle carrying on a shoulder pole 310 center lines is 70 °.The setting of extension device 312 is equivalent to the void extending tower body 301 homonymy two corner wire 303
Intend cross point so that the wire 303 being articulated on cross-arm 310 by extension device 311 is increased apart from the distance of tower body 301, full
Avoid cross-arm 310 long in the case of sufficient electric insulation distance.
In addition, the free end in cross-arm 310 is additionally provided with two reinforcements, this two reinforcements includes oblique part 316 He
Auxiliary member 317, oblique part 316 and extension device 312 form a V-shaped structure, and that is, oblique part 316 is solid with the end of extension device 312
It is scheduled on formation v font summit on a connecting plate 318, the other end of oblique part 316 is fixed on end coupling 311.Oblique
The setting of part 316 increases rigidity and the intensity of extension device 312.Auxiliary member 317 connects oblique part 316 and extension device 312, enters one
Step strengthens the v font structure that oblique part 316 and extension device 312 are formed, that is, further increase the rigidity of extension device 312 and strong
Degree.
Use due to extension device 312, it is to avoid cross-arm 310 is long, so being provided with angle tower 300 energy of cross-arm 310
Avoid the ungratified situation of electric clearance and wire 303 between, and light weight, line corridor is narrow.Additionally, corner wire 303
Quantity is not utility model point of the present utility model, so corner wire 303 can also be split conductor.
Technology contents of the present utility model and technical characterstic have revealed that as above it being understood, however, that of the present utility model
Under creative ideas, those skilled in the art can make various changes to said structure and material and improve, including independent here
Disclose or claimed combining of technical characteristic is combined it will be apparent that including the other of these features.These deformation and/or combination
Each fall within the technical field involved by this utility model, and fall into this utility model scope of the claims.
Claims (10)
1. a kind of cross-arm, for anchor support, described anchor support includes tower body, and one end of described cross-arm is connected on described tower body,
Described cross-arm is free end away from one end of described tower body, for connecting wire it is characterised in that: described free end arranges end
Connector and bridle wire apparatus, described bridle wire apparatus are horizontally set on described end coupling, for mounting wire jumper.
2. cross-arm as claimed in claim 1 it is characterised in that: described bridle wire apparatus are composite post insulators, described compound
Support insulator one end connects described end coupling, and the other end mounts described wire jumper.
3. cross-arm as claimed in claim 2 it is characterised in that: described composite post insulator is described by connection gold utensil mounting
Wire jumper.
4. cross-arm as claimed in claim 1 it is characterised in that: described anchor support is angle tower, and described end coupling also connects
It is connected to extension device, in the projection of horizontal plane, described extension device stretches out from described end coupling, described wire is connected to described
On extension device, the angle of the center line of described extension device and described cross-arm is more than the angle of described wire and the center line of described cross-arm.
5. cross-arm as claimed in claim 4 it is characterised in that: be respectively provided with described prolongation in the both sides of described end coupling
Part.
6. cross-arm as claimed in claim 4 it is characterised in that: on described end coupling arrange a described extension device,
Two described wires of described tower body both sides are connected to the two ends of described extension device.
7. cross-arm as claimed in claim 4 it is characterised in that: at least one reinforcement is provided with described extension device.
8. cross-arm as claimed in claim 7 it is characterised in that: at least one described reinforcement connects described extension device and described
End coupling.
9. cross-arm as claimed in claim 1 it is characterised in that: described cross-arm is compound cross-arm.
10. a kind of anchor support, described anchor support comprise described tower body it is characterised in that: described anchor support comprises such as claim 1
To the cross-arm described in any one of 9 claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620792106.4U CN205908090U (en) | 2016-07-26 | 2016-07-26 | Cross arm and strain insulator tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620792106.4U CN205908090U (en) | 2016-07-26 | 2016-07-26 | Cross arm and strain insulator tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205908090U true CN205908090U (en) | 2017-01-25 |
Family
ID=57802256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620792106.4U Active CN205908090U (en) | 2016-07-26 | 2016-07-26 | Cross arm and strain insulator tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205908090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049959A (en) * | 2016-07-26 | 2016-10-26 | 江苏神马电力股份有限公司 | Cross arm and strain tower |
| WO2018019180A1 (en) * | 2016-07-26 | 2018-02-01 | 江苏神马电力股份有限公司 | Cross arm and angle tower and tension support comprising the same |
| US11322923B2 (en) | 2017-10-30 | 2022-05-03 | Jiangsu Shemar Electric Co., Ltd. | Overhead power distribution line |
-
2016
- 2016-07-26 CN CN201620792106.4U patent/CN205908090U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049959A (en) * | 2016-07-26 | 2016-10-26 | 江苏神马电力股份有限公司 | Cross arm and strain tower |
| WO2018019180A1 (en) * | 2016-07-26 | 2018-02-01 | 江苏神马电力股份有限公司 | Cross arm and angle tower and tension support comprising the same |
| CN106049959B (en) * | 2016-07-26 | 2019-03-05 | 江苏神马电力股份有限公司 | Cross arm and strain tower |
| US11283254B2 (en) | 2016-07-26 | 2022-03-22 | Shanghai Shemar Power Engineering Co., Ltd | Cross arm and angle tower and tension tower comprising the same |
| US11322923B2 (en) | 2017-10-30 | 2022-05-03 | Jiangsu Shemar Electric Co., Ltd. | Overhead power distribution line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201126 Address after: 501, building g, Hongqiao Green Valley, 69 Yonghong Road, Minhang District, Shanghai, 201100 Patentee after: Shanghai Shenma Electric Power Engineering Co.,Ltd. Address before: 226017 Jiangsu city of Nantong province Nantong economic and Technological Development Zone Science and Technology Industrial Park of Su Tong Jiang Cheng Road No. 1088 Jiang Park Building 3, room 1467, R & D Patentee before: JIANGSU SHENMA ELECTRIC Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 200050 room 801, building 2, No. 55, Jinlun Road, Changning District, Shanghai Patentee after: Shanghai Shenma Electric Power Engineering Co.,Ltd. Address before: 501, building g, Hongqiao Green Valley, 69 Yonghong Road, Minhang District, Shanghai 201100 Patentee before: Shanghai Shenma Electric Power Engineering Co.,Ltd. |