CN209088491U - Top-twisted wire-clip - Google Patents
Top-twisted wire-clip Download PDFInfo
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- CN209088491U CN209088491U CN201920015976.4U CN201920015976U CN209088491U CN 209088491 U CN209088491 U CN 209088491U CN 201920015976 U CN201920015976 U CN 201920015976U CN 209088491 U CN209088491 U CN 209088491U
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- twisted wire
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Abstract
The utility model provides a kind of top-twisted wire-clip, is related to railway contact line power supply technique field, to solve the poor technical problem of existing pre-twisting type conductor spacer adaptability.The top-twisted wire-clip is constructed by the preformed armor rods piece for being formed by bending elongate frame；The linkage section that preformed armor rods piece has at least three spiral sections and is connected between three spiral sections, wherein three spiral sections connect to form four bending structures with coupled linkage section, and two relatively coupled linkage sections of spiral section extend in opposite direction.The top-twisted wire-clip can be suitable for the spacing distance under Different field operating condition between two conducting wires, and then realize that the installation of two conducting wires is fixed.
Description
Technical field
The utility model relates to railway contact line power supply technique fields, more particularly, to a kind of top-twisted wire-clip.
Background technique
With the development of China's electric railway, the especially fast development of high-speed railway in recent years, this is to electrification
Railway contact net components and the performance requirement of power supply system are higher and higher.
Often there are the feelings of two equipotential additive wire two-wires power supply according to power supply needs in electrification railway contact net
Condition.Additive wire is a pith in electrified railway power supply system, in order to avoid two additive wires attract each other
The adsorption phenomena that may cause needs to open two conductor spacings.
In order to open two conductor spacings, cast aluminium conductor spacer is generally used in engineering.Cast aluminium conductor spacer due to structure is complicated,
Price is higher, and is gradually replaced by pre-twisting type conductor spacer.Authorization Notice No. is that the patent of CN201413472U discloses one kind in advance
Strand formula conductor spacer, the pre-twisting type conductor spacer attach it to two conducting wires by the way that U-shaped shape is made in two groups of preformed armor rods pieces
On, realize the purpose of two conducting wires in interval.
However, above-mentioned pre-twisting type conductor spacer the problem is that, it is above-mentioned preformed since the spacing distance that conducting wire requires is different
Formula conductor spacer cannot make adjustment according to field condition, i.e., do not adapt to the installation of different pitch requirements conducting wires, lead to its adaptation
Property is poor.
Utility model content
The purpose of this utility model is to provide a kind of top-twisted wire-clip, for solve existing pre-twisting type conductor spacer adaptability compared with
The technical problem of difference.
Top-twisted wire-clip provided by the utility model, the wire clamp are constructed by the preformed armor rods piece for being formed by bending elongate frame.
The linkage section that the preformed armor rods piece has at least three spiral sections and is connected between three spiral sections, wherein three
Spiral section connects to form four bending structures with coupled linkage section, and the linkage section that two spiral sections are relatively coupled
Extend in opposite direction.
In the above-mentioned technical solutions, further, the bending angle range of the bending structure is 90~170 °.
In the above-mentioned technical solutions, further, the projection circle internal diameter and conducting wire of the spiral section in their extension direction
The ratio of outer diameter is 0.8~0.85.
In the above-mentioned technical solutions, further, the single screw pitch of each spiral section is P, the length of each spiral section
Degree is not less than 5P.
In the above-mentioned technical solutions, further, the preformed armor rods piece includes the first spiral section, the second spiral section and third
Spiral section, connects left straightway between first spiral section and second spiral section, second spiral section and described the
Right straightway is connected between three spiral sections.
First spiral section, second spiral section, the third spiral section, the left straightway and the right straight line
Section is in the same plane.
In the above-mentioned technical solutions, further, the preformed armor rods piece includes plurality of threads, and the more long filaments are along its diameter
To being arranged successively.
In the above-mentioned technical solutions, further, the more long filaments are all made of aluminum-alloy wire.
Alternatively, the part in the more long filaments uses aluminum-alloy wire, rest part uses zinc-coated wire or aluminum cald steel wire.
In the above-mentioned technical solutions, further, the part in the more long filaments uses aluminum-alloy wire, and rest part is adopted
With zinc-coated wire, the aluminum-alloy wire and the zinc-coated wire are successively staggered.
Alternatively, the part in the more long filaments uses aluminum-alloy wire, rest part uses aluminum cald steel wire, the aluminium alloy
Silk and the aluminum cald steel wire are successively staggered.
In the above-mentioned technical solutions, further, conductive sand is equipped on the inside of the spiral section.
In the above-mentioned technical solutions, further, the conductive sand is mixed by diamond dust and aloxite, the diamond dust
Weight ratio with the aloxite is 3:1.
Top-twisted wire-clip provided by the utility model the utility model has the advantages that
During installation, one of spiral section is wrapped on a conducting wire for the top-twisted wire-clip, and another spiral section is wrapped in
On another conducting wire, according to elastic characteristic possessed by preformed armor rods piece, the crank degree of bending structure can be rolled over, by manually pulling to change
Become the vertical range between two spiral sections, so that the top-twisted wire-clip be made to be suitable under Different field operating condition between two conducting wires
Spacing distance, and then realize the fixation of two conducting wires, keep the adaptability of the top-twisted wire-clip stronger.
Furthermore top-twisted wire-clip elastic characteristic according to possessed by preformed armor rods piece can also be effectively reduced conducting wire vibration
Dynamic influence, plays a certain protective role conducting wire, and is maintained at conducting wire in safe distance；Top-twisted wire-clip retaining part
Conductor rigidity it is higher, reduce ess-strain herein, enhance the anti-fatigue ability of conducting wire, reduce and even avoid conducting wire
Fatigue damage.
In addition, the top-twisted wire-clip is during installation, without using operational instrument, installation manually can be completed, it is entire to install
Process is convenient and safe reliable.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of helical form preformed armor rods piece provided by the embodiment of the utility model；
Fig. 2 is the structural representation of a set of top-twisted wire-clip (i.e. two groups of top-twisted wire-clips) provided by the embodiment of the utility model
Figure；
Fig. 3 is the curved schematic illustration of system of top-twisted wire-clip provided by the embodiment of the utility model；
Fig. 4 is the scheme of installation of top-twisted wire-clip provided by the embodiment of the utility model.
Appended drawing reference:
10- bending structure；The first spiral section of 20-；The second spiral section of 30-；40- third spiral section；The left straightway of 50-；60-
Right straightway.
In Fig. 3, each alphabetic flag is respectively as follows:
D be preformed armor rods piece in the initial state, between the first spiral section (or third spiral section) and the second spiral section
Vertical range；
a1In the initial state for preformed armor rods piece, left straightway (or right straightway) and the second spiral section or third spiral
Angle value between section, the i.e. angle value of bending structure；
D is preformed armor rods piece in adjusting bending angle a0Afterwards, the first spiral section (or third spiral section) and the second spiral section
Between vertical range；
a2It is preformed armor rods piece in adjusting bending angle a0Afterwards, left straightway (or right straightway) and the second spiral section or the
Angle value between three spiral sections, the i.e. angle value of bending structure.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill all other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the mechanism of indication or suggestion meaning or element must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, the connection of two component internals can also be can be indirectly connected through an intermediary.For
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment
A kind of top-twisted wire-clip is present embodiments provided, as depicted in figs. 1 and 2, the wire clamp is by being formed by bending elongate frame
Preformed armor rods piece building；The linkage section that preformed armor rods piece has at least three spiral sections and is connected between three spiral sections, wherein
Three spiral sections connect to form four bending structures 10 with coupled linkage section, and two spiral sections are relatively coupled
Linkage section extends in opposite direction.
During installation, one of spiral section is wrapped on a conducting wire for the top-twisted wire-clip, and another spiral section is wrapped in
On another conducting wire, according to elastic characteristic possessed by preformed armor rods piece, the crank degree of bending structure 10 can be rolled over by manually pulling
(or bending angle) (it should be noted that two spiral sections herein refer to, connects same connection to change two spiral sections
Section two spiral sections) between vertical range, thus make the top-twisted wire-clip be suitable for Different field operating condition under two conducting wires it
Between spacing distance, and then realize two conducting wires installation fix, keep the adaptability of the top-twisted wire-clip stronger.
Furthermore top-twisted wire-clip elastic characteristic according to possessed by preformed armor rods piece can also be effectively reduced conducting wire vibration
Dynamic influence, plays a certain protective role conducting wire, and is maintained at conducting wire in safe distance；Top-twisted wire-clip retaining part
Conductor rigidity it is higher, reduce ess-strain herein, enhance the anti-fatigue ability of conducting wire, reduce and even avoid conducting wire
Fatigue damage.
In addition, the top-twisted wire-clip is during installation, without using operational instrument, installation manually can be completed, it is entire to install
Process is convenient and safe reliable.
It should be noted that the structure type of top-twisted wire-clip can there are many, as long as can be applicable in two conducting wires it is different between
Structure type of the gauge from installation both is within the protection scope of the present invention.
In one embodiment, as shown in Fig. 2, preformed armor rods piece includes the first spiral section 20, the second spiral section 30 and third
Spiral section 40 connects left straightway 50, the second spiral section 30 and third spiral between first spiral section 20 and the second spiral section 30
Right straightway 60 is connected between section 40；First spiral section 20, the second spiral section 30, third spiral section 40, left straightway 50 and the right side
Straightway 60 is in the same plane.
It should be noted that the preformed armor rods piece is not limited to have three sections of spiral sections and two sections of straightways, and such as: the preformed armor rods
Piece can also have four sections of spiral sections and three sections of straightways, and so on can also be there are many kinds of structure type, details are not described herein.
In the embodiment, the bending angle range of bending structure 10 is 90~170 °.
As shown in figure 3, preformed armor rods piece is in the initial state, the first spiral section 20 (or third spiral section 40) and the second spiral shell
Revolving the vertical range between section 30 is D, and the bending angle of bending structure 10 is a1, spacing between two parallel conducting wires
When for D, at this point, top-twisted wire-clip can be used directly and installed without the bending angle for adjusting bending structure 10.
When the spacing between two parallel conducting wires be less than D, and be d when, at this time, it may be necessary to adjust the curved of bending structure 10
Dog-ear degree makes the bending angle of its bending structure 10 reach a2, specifically, by the corner angle for manually pulling folding bending structure 10
Degree, in adjusting bending angle a0Afterwards, make vertical between the first spiral section 20 (or third spiral section 40) and the second spiral section 30
Distance is equal to d, at this point, top-twisted wire-clip can be used to be installed.
From the foregoing it will be appreciated that the top-twisted wire-clip had both adapted to the installation that two wire spacings are D, two wire spacings are also adapted to
The installation of d, therefore it can be applicable in the spacing distance under Different field operating condition between two conducting wires, and then realize the fixation of two conducting wires.
Specifically, in one embodiment, such as a1When being 120 °, which can be mounted on two that spacing is D
On conducting wire；Preformed armor rods piece is in adjusting bending angle a0, such as after 30 ° of bending angle processed of adjusting, i.e. a2When variation is 150 °, this is preformed
Formula wire clamp can be mounted on two conducting wires that spacing is d.
In the embodiment, each spiral section in their extension direction projection circle internal diameter and wire diameter ratio be 0.8~
0.85, apply the grip force of corresponding dynamics to guarantee top-twisted wire-clip to conducting wire, it is ensured that the stability of two conducting wires installation.
It should be noted that each spiral section is projected as hollow ring structure on its extending direction (or length direction),
The interior circular diameter of the circular ring structure is the internal diameter of projection circle.In the embodiment, each spiral section (i.e. the first spiral section 20, second
Spiral section 30 or third spiral section 40) single screw pitch be P, the length of each spiral section is not less than 5P.When the spiral shell of single spiral section
Away from quantity it is more when, on the one hand, can be improved top-twisted wire-clip to the grip force of conducting wire；On the other hand, so that preformed line
The installation of folder is more firm.
Such as: the length of each spiral section is 5P, 6P or 7P etc..
In the embodiment, preformed armor rods piece includes plurality of threads, and plurality of threads is radially arranged successively.
It should be noted that in the preformed armor rods piece long filament quantity can with no restrictions, such as: the quantity of the long filament can be
Two, three, four, five or the six roots of sensation etc. certainly exist the form that plurality of threads is wrapped on conducting wire as long as can be realized
Within the protection scope of the utility model.
In one embodiment, plurality of threads is all made of aluminum-alloy wire, and top-twisted wire-clip made of the aluminum-alloy wire can
Good electric conductivity is provided.
In another embodiment, the part in plurality of threads uses aluminum-alloy wire, rest part using zinc-coated wire or
Aluminum cald steel wire.The benefit of the setting is, on the one hand, aluminum-alloy wire is capable of providing good electric conductivity, zinc-coated wire (or aluminium packet
Steel wire) enough stiffness and strength are capable of providing, so as to extend the service life of top-twisted wire-clip.
In the embodiment, aluminum-alloy wire and zinc-coated wire (or aluminum cald steel wire) are radially in staggered structure.
Specifically, when the part in plurality of threads uses aluminum-alloy wire, and rest part uses zinc-coated wire, aluminum-alloy wire
It is successively staggered with zinc-coated wire.
It by taking plurality of threads is set as four as an example, puts in order are as follows: an aluminum-alloy wire, a zinc-coated wire, one
Aluminum-alloy wire, a zinc-coated wire are arranged successively.
Specifically, when the part in plurality of threads uses aluminum-alloy wire, and rest part uses aluminum cald steel wire, aluminum-alloy wire
It is successively staggered with aluminum cald steel wire.
It by taking plurality of threads is set as four as an example, puts in order are as follows: an aluminum-alloy wire, an aluminum cald steel wire, one
Aluminum-alloy wire, an aluminum cald steel wire are arranged successively.
It should be noted that " part " mentioned above refers to, one or more in plurality of threads.
In the embodiment, the inside of spiral section (i.e. the first spiral section 20, the second spiral section 30 and third spiral section 40) is spread
Equipped with conductive sand, which is capable of increasing frictional force and electric conductivity between preformed armor rods wire clamp and conducting wire.
Such as: the artificial mode for being laid with conductive sand can be used, manpower grabs conductive sand and uniformly scatters it in spiral section
Inside.
Wherein, conductive sand is mixed by diamond dust and aloxite, and the weight ratio of diamond dust and aloxite is 3:1.
By taking preformed armor rods piece selects four root long silks (two aluminum-alloy wires and two zinc-coated wires) as an example, the top-twisted wire-clip
Production method are as follows:
1) two aluminum-alloy wires and two zinc-coated wires are staggered to form helical form preformed armor rods piece as shown in Figure 1；
2) it close to the position at both ends carries out that process is straightened in helical form preformed armor rods piece, the helical form at this is preformed
Silk piece pulls into linearly, obtains having three sections of spiral sections (i.e. the first spiral section 20, the second spiral section 30 and third spiral section 40)
With the preformed armor rods piece of two sections of straightways (i.e. left straightway 50 and right straightway 60)；
3) conductive sand is laid in spiral section, conductive sand is mixed by diamond dust and aloxite according to the weight ratio of 3:1；
4) bending treatment process (making curved) is carried out in the junction of spiral section and straightway, bending rear screw section, straight line
Section all in a plane, and forms the top-twisted wire-clip of approximate " π " type structure；
5) two groups of above-mentioned preformed armor rods pieces constitute a whole set of top-twisted wire-clip.
Top-twisted wire-clip after being installed on two conducting wires is as shown in Figure 4.Specifically, installation process are as follows:
1) the second spiral section 30 of one group of preformed armor rods piece is wound into a wherein conducting wire (i.e. what is be located below in Fig. 4 leads
Line) on；
2) bending angle of the second spiral section of wire spacing as needed bending adjustment 30 and left straightway 50, adjustment are closed
After suitable, the first spiral section 20 is wound on another conducting wire (i.e. conducting wire located above in Fig. 4)；
3) bending angle between the second spiral section 30 and right straightway 60 is adjusted, after adjustment is suitable, by third spiral section
40 are wound on another conducting wire (i.e. conducting wire located above in Fig. 4)；
4) similarly, another set preformed armor rods piece is symmetrically installed, is finally completed the installation of a whole set of preformed armor rods wire clamp.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of top-twisted wire-clip, which is characterized in that the wire clamp is constructed by the preformed armor rods piece for being formed by bending elongate frame；
The linkage section that the preformed armor rods piece has at least three spiral sections and is connected between three spiral sections, wherein three spirals
Section connects to form four bending structures (10) with coupled linkage section, and the linkage section that two spiral sections are relatively coupled
Extend in opposite direction.
2. top-twisted wire-clip according to claim 1, which is characterized in that the bending angle range of the bending structure (10)
It is 90~170 °.
3. top-twisted wire-clip according to claim 2, which is characterized in that the projection of the spiral section in their extension direction
The ratio of circle internal diameter and wire diameter is 0.8~0.85.
4. top-twisted wire-clip according to claim 3, which is characterized in that the single screw pitch of each spiral section is P, each institute
The length of spiral section is stated not less than 5P.
5. top-twisted wire-clip according to claim 2, which is characterized in that the preformed armor rods piece includes the first spiral section
(20), the second spiral section (30) and third spiral section (40), first spiral section (20) and second spiral section (30) it
Between connect left straightway (50), connect right straightway between second spiral section (30) and the third spiral section (40)
(60)；
First spiral section (20), second spiral section (30), the third spiral section (40), the left straightway (50)
It is in the same plane with the right straightway (60).
6. top-twisted wire-clip according to claim 1-5, which is characterized in that the preformed armor rods piece includes more root longs
Silk, the more long filaments are radially arranged successively.
7. top-twisted wire-clip according to claim 6, which is characterized in that the more long filaments are all made of aluminum-alloy wire；
Alternatively, the part in the more long filaments uses aluminum-alloy wire, rest part uses zinc-coated wire or aluminum cald steel wire.
8. top-twisted wire-clip according to claim 7, which is characterized in that the part in the more long filaments uses aluminium alloy
Silk, rest part use zinc-coated wire, and the aluminum-alloy wire and the zinc-coated wire are successively staggered；
Alternatively, part in the more long filaments uses aluminum-alloy wire, rest part uses aluminum cald steel wire, the aluminum-alloy wire and
The aluminum cald steel wire is successively staggered.
9. top-twisted wire-clip according to claim 1, which is characterized in that be equipped with conductive sand on the inside of the spiral section.
10. top-twisted wire-clip according to claim 9, which is characterized in that the conduction sand is mixed by diamond dust and aloxite
It is made, the weight ratio of the diamond dust and the aloxite is 3:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920015976.4U CN209088491U (en) | 2019-01-04 | 2019-01-04 | Top-twisted wire-clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920015976.4U CN209088491U (en) | 2019-01-04 | 2019-01-04 | Top-twisted wire-clip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209088491U true CN209088491U (en) | 2019-07-09 |
Family
ID=67127771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920015976.4U Active CN209088491U (en) | 2019-01-04 | 2019-01-04 | Top-twisted wire-clip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209088491U (en) |
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2019
- 2019-01-04 CN CN201920015976.4U patent/CN209088491U/en active Active
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