CN207296565U - A kind of double back overhead transmission line is symmetrical to exchange bar - Google Patents
A kind of double back overhead transmission line is symmetrical to exchange bar Download PDFInfo
- Publication number
- CN207296565U CN207296565U CN201720809507.0U CN201720809507U CN207296565U CN 207296565 U CN207296565 U CN 207296565U CN 201720809507 U CN201720809507 U CN 201720809507U CN 207296565 U CN207296565 U CN 207296565U
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- China
- Prior art keywords
- arm
- cross
- rod
- symmetrical
- transmission line
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of symmetrical exchange bar of double back overhead transmission line, including the first cross-arm, the 3rd cross-arm, wire clamp, bracing wire hole, fixing device, attachment device, the second cross-arm, insulator chain, the body of rod and base.The beneficial effects of the utility model are：Exchange rod structure connection is compact, using simple, exchange bar is symmetrical structure, circuit can flexibly be exchanged, achieve the purpose that commutation, make circuit operation relatively stable, array is provided with circular hole in fixing device, by the first cross-arm, second cross-arm and the 3rd cross-arm are fixed on the body of rod, fastness is preferable, prevent activity, there is certain angle between wire clamp and the 3rd cross-arm, long distance delivery circuit is set to have certain sag, attachment device is bolted, insulator chain is to be arranged vertically, play certain pressure shielding action, prevent electric leakage, phenomena such as beating arc, security is higher, first cross-arm and the distance for having 20cm at the top of the body of rod, base side is connected with earthing or grounding means, stability is strong during work.
Description
Technical field
A kind of symmetrical exchange bar is the utility model is related to, being specially that a kind of double back overhead transmission line is symmetrical exchanges bar, belongs to
In line facility field.
Background technology
Double-circuit line is exactly that two lines road forms two circuits, i.e., electric current and voltage, which flow one week, is returned to same side
To double back circuit is mainly used in circuit system, as being applied to double back circuit in electric appliance used in everyday.Double back circuit
It can make voltage stabilization, ensure the safety of circuit system, while can effectively reduce the loss produced in transmission of electricity, overhead transmission line needs
To be fixed using electric pole, according to the situation, under normal circumstances, no matter whether high top layer cross-arm is for cross-arm setting height(from bottom)
Low pressure and cross-arm, during installation on cross-arm plane positioned at the downward 20 centimeters installation of the bar tip.
In place of a kind of symmetrical exchange bar of double back overhead transmission line comes with some shortcomings at present, some is not provided with wire clamp, into
It is more troublesome during row commutation, and security is relatively low, some is not provided with bracing wire hole, be easy to cause body of rod inclination, and some is not set
Fixing device is put, the first cross-arm and body of rod connectivity robustness are relatively low, and practicality is not strong.
Utility model content
The purpose of this utility model is that to solve the above-mentioned problems and provides a kind of double back overhead transmission line symmetrical expression mutually
Change bar.
The utility model is achieved through the following technical solutions above-mentioned purpose：A kind of double back overhead transmission line is symmetrical to be exchanged
Bar, including the first cross-arm, the 3rd cross-arm, wire clamp, bracing wire hole, fixing device, attachment device, the second cross-arm, insulator chain, the body of rod
And base；The post is installed with base, and the base is cylindrical structure, battle array on the outside of the body of rod centre position
Row are provided with bracing wire hole, and the body of rod side is provided with fixing device, and array is provided with circular hole in the fixing device, described
Fixing device side is installed with the first cross-arm, and 20 centimetres of first cross-arm and body of rod distance from top, and described first is horizontal
Load downside is connected with the second cross-arm by fixing device, and the second cross-arm downside is connected with the 3rd cross-arm by fixing device,
First cross-arm, the second cross-arm and the 3rd cross-arm are symmetrical relative to the body of rod, first cross-arm, the second cross-arm and the 3rd
Cross-arm is vertically arranged with the body of rod, attachment device is installed with the top of the first cross-arm both ends, and the attachment device is set
There is bolt, the attachment device passes through the first cross-arm, and the attachment device bottom is connected with wire clamp, and the wire clamp and the first horizontal stroke
Load, the second cross-arm, the 3rd cross-arm are respectively provided with certain angle, first cross-arm and the second cross-arm, the 3rd cross-arm two bottom sides
Insulator chain is installed with, and the insulator chain is arranged for vertical direction.
Further, the first cross-arm, the second cross-arm and the 3rd cross-arm is made firmly to be scheduled on the body of rod in order to reach, the fixation
Array is provided with circular hole on device.
Further, long distance delivery circuit is made to have certain sag, the wire clamp and the first cross-arm, second in order to reach
Cross-arm, the 3rd cross-arm are respectively provided with certain angle.
Further, leaky is prevented in order to reach, the base side is fixedly connected with earthing or grounding means.
Further, make insulator chain that there is certain pressure shield effectiveness to reach, the insulator chain is vertical
Direction is arranged.
Further, the body of rod is firmly fixed on ground in order to reach, prevent the body of rod from tilting, the bracing wire hole passes through
The body of rod is vertically fixed on ground by steel wire.
Further, make overhead transmission line that there is certain height to reach, make conveying circuit security higher, described
20 centimetres of one cross-arm and body of rod distance from top.
Further, in order to reach attachment device and the first cross-arm firm and reliable connection, the attachment device is provided with spiral shell
Bolt.
The beneficial effects of the utility model are：Exchange rod structure connection is compact, using simple, exchange bar and is tied to be symmetrical
Structure, can flexibly exchange circuit, achieve the purpose that commutation, run circuit relatively stable, and array is provided with circular hole in fixing device,
First cross-arm, the second cross-arm and the 3rd cross-arm are fixed on the body of rod, fastness is preferable, prevents activity, wire clamp and the 3rd cross-arm
Between have certain angle, long distance delivery circuit is had certain sag, attachment device is bolted, and insulator chain is
Be arranged vertically, play certain pressure shielding action, prevent electric leakage, beat phenomena such as arc, security is higher, the first cross-arm with
There is the distance of 20cm at the top of the body of rod, base side is connected with earthing or grounding means, and stability is strong during work.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model fixture structure schematic diagram；
Fig. 3 is the utility model insulator chain structure diagram；
In figure：1st, the first cross-arm, the 2, the 3rd cross-arm, 3, wire clamp, 4, bracing wire hole, 5, fixing device, 6, attachment device, 7,
Second cross-arm, 8, insulator chain, 9, the body of rod, 10, base.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, a kind of double back overhead transmission line is symmetrical to exchange bar, including the first cross-arm 1, the 3rd cross-arm 2, wire clamp
3rd, bracing wire hole 4, fixing device 5, attachment device 6, the second cross-arm 7, insulator chain 8, the body of rod 9 and base 10；9 bottom of the body of rod
Portion is installed with base 10, and the base 10 is cylindrical structure, and the 9 centre position outboard array of the body of rod is provided with bracing wire
Hole 4,9 side of the body of rod is provided with fixing device 5, and array is provided with circular hole, the fixing device in the fixing device 5
5 sides are installed with the first cross-arm 1, and 20 centimetres of first cross-arm 1 and 9 distance from top of the body of rod, under first cross-arm 1
Side is connected with the second cross-arm 7 by fixing device 5, and the downside of the second cross-arm 7 is connected with the 3rd cross-arm 2 by fixing device 5,
First cross-arm 1, the second cross-arm 7 and the 3rd cross-arm 2 are symmetrical relative to the body of rod 9, first cross-arm 1, the second cross-arm 7
It is vertically arranged with the 3rd cross-arm 2 with the body of rod 9, attachment device 6, and the company is installed with the top of 1 both ends of the first cross-arm
Connection device 6 is provided with bolt, and the attachment device 6 passes through the first cross-arm 1, and 6 bottom of attachment device is connected with wire clamp 3, and
3 and first cross-arm 1 of wire clamp, the second cross-arm 7, the 3rd cross-arm 2 are respectively provided with certain angle, first cross-arm 1 and second
Cross-arm 7,2 two bottom sides of the 3rd cross-arm are installed with insulator chain 8, and the insulator chain 8 is arranged for vertical direction.
A kind of technical optimization scheme as the utility model：Array is provided with circular hole in the fixing device 5；The line
3 and first cross-arm 1 of folder, the second cross-arm 7, the 3rd cross-arm 2 are respectively provided with certain angle；10 side of base, which is fixedly connected with, to be connect
Ground device；The insulator chain 8 is arranged for vertical direction；The body of rod 9 is vertically fixed on ground by the bracing wire hole 4 by steel wire
On；20 centimetres of first cross-arm 1 and 9 distance from top of the body of rod；The attachment device 6 is provided with bolt.
When the utility model is used, the first cross-arm, the second cross-arm and the 3rd cross-arm are fixed by fixing device first
On the body of rod, there is a certain distance between the first cross-arm, the second cross-arm, the 3rd cross-arm, and it is symmetrical relative to the body of rod；Secondly
Attachment device is installed at the top of the both ends of the first cross-arm, the second cross-arm and the 3rd cross-arm, attachment device is bolted, even
Connection device bottom is connected with wire clamp, and wire clamp one end connection circuit, operates easy to commutation；Last first cross-arm has at the top of the body of rod
20cm distances, base side are fixedly connected with earthing or grounding means, and the distribution of insulator chain vertical direction, has certain pressure shielding effect
Fruit, security are higher.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (8)
1. a kind of double back overhead transmission line is symmetrical to exchange bar, including the first cross-arm (1), the 3rd cross-arm (2), wire clamp (3), bracing wire hole
(4), fixing device (5), attachment device (6), the second cross-arm (7), insulator chain (8), the body of rod (9) and base (10)；Its feature
It is：The body of rod (9) bottom is installed with base (10), and the base (10) is cylindrical structure, in the body of rod (9)
Between position outboard array be provided with bracing wire hole (4), the body of rod (9) side is provided with fixing device (5), the fixing device
(5) side is installed with the first cross-arm (1), and the first cross-arm (1) downside is connected with the second cross-arm by fixing device (5)
(7), the 3rd cross-arm (2), first cross-arm (1), second are connected with by fixing device (5) on the downside of second cross-arm (7)
Cross-arm (7) is symmetrical relative to the body of rod (9) with the 3rd cross-arm (2), and first cross-arm (1), the second cross-arm (7) and the 3rd are horizontal
Load (2) is vertically arranged with the body of rod (9), and attachment device (6), the connection are installed with the top of the first cross-arm (1) both ends
Device (6) passes through the first cross-arm (1), and attachment device (6) bottom is connected with wire clamp (3), first cross-arm (1) and second
Cross-arm (7), the 3rd cross-arm (2) two bottom sides are installed with insulator chain (8).
2. a kind of double back overhead transmission line according to claim 1 is symmetrical to exchange bar, it is characterised in that：The fixing device
(5) array is provided with circular hole on.
3. a kind of double back overhead transmission line according to claim 1 is symmetrical to exchange bar, it is characterised in that：The wire clamp (3)
Certain angle is respectively provided with the first cross-arm (1), the second cross-arm (7), the 3rd cross-arm (2).
4. a kind of double back overhead transmission line according to claim 1 is symmetrical to exchange bar, it is characterised in that：The base (10)
Side is fixedly connected with earthing or grounding means.
5. a kind of double back overhead transmission line according to claim 1 is symmetrical to exchange bar, it is characterised in that：The insulator chain
(8) arranged for vertical direction.
6. a kind of double back overhead transmission line according to claim 1 is symmetrical to exchange bar, it is characterised in that：The bracing wire hole
(4) body of rod (9) is vertically fixed on ground by steel wire.
7. a kind of double back overhead transmission line according to claim 1 is symmetrical to exchange bar, it is characterised in that：First cross-arm
(1) with 20 centimetres of the body of rod (9) distance from top.
8. a kind of double back overhead transmission line according to claim 1 is symmetrical to exchange bar, it is characterised in that：The attachment device
(6) it is provided with bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809507.0U CN207296565U (en) | 2017-07-06 | 2017-07-06 | A kind of double back overhead transmission line is symmetrical to exchange bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809507.0U CN207296565U (en) | 2017-07-06 | 2017-07-06 | A kind of double back overhead transmission line is symmetrical to exchange bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207296565U true CN207296565U (en) | 2018-05-01 |
Family
ID=62450762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720809507.0U Expired - Fee Related CN207296565U (en) | 2017-07-06 | 2017-07-06 | A kind of double back overhead transmission line is symmetrical to exchange bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207296565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284752A (en) * | 2019-07-02 | 2019-09-27 | 合肥海银杆塔有限公司 | A kind of high-strength cable cross-arm of shaft tower |
-
2017
- 2017-07-06 CN CN201720809507.0U patent/CN207296565U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284752A (en) * | 2019-07-02 | 2019-09-27 | 合肥海银杆塔有限公司 | A kind of high-strength cable cross-arm of shaft tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20210706 |