CN109244954A - A kind of cable pavement guide device for rotation angle well - Google Patents
A kind of cable pavement guide device for rotation angle well Download PDFInfo
- Publication number
- CN109244954A CN109244954A CN201811096498.0A CN201811096498A CN109244954A CN 109244954 A CN109244954 A CN 109244954A CN 201811096498 A CN201811096498 A CN 201811096498A CN 109244954 A CN109244954 A CN 109244954A
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- China
- Prior art keywords
- cable
- guidance
- skeleton
- rotation angle
- idler wheel
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The present invention discloses a kind of cable pavement guide device for rotation angle well, guidance skeleton, at least three idler wheels and at least four support legs including being equipped with inner ring and outer rings, each idler wheel is laterally located between the inner ring and outer rings of guidance skeleton, each idler wheel uniform intervals setting, each support leg is fixed on the inner ring bottom of the guidance skeleton, and the longitudinal axis of its longitudinal axis and each idler wheel is staggeredly spaced, the outer ring of the guidance skeleton is against extraneous in kind.The present invention in cable laying operation process by cable radius and suffered Stress Control in the range that meets the requirements, specification cable laying construction technology improves construction standardization, reduces cable laying damaged risk, improves cable safety and service life.
Description
Technical field
The present invention relates to cable auxiliary field, in particular to a kind of cable pavement guide device for rotation angle well.
Background technique
Since urban development needs, low and medium voltage distribution network engineering cable degree in Shuande area is increasingly improved at present, distribution
In net construction retrofit project cable laying work progress, in rotation angle well position, cable main body will face corner and stretch and bending work
Skill, horizontally or vertically steering position will receive bending on cable release path at this time.Under normal circumstances, cable is in structure and material
The bending for allowing to have not less than within the scope of certain radius on material generates cable performance when bending radius meets the requirements
It influences within an acceptable range, but cable insulation or sheath will be damaged when bending radius is less than certain numerical value.Therefore, in cable
In laid processes, it is necessary to be detected and controlled to the bending radius of cable.
At present when cable construction, fixed corner coaster common practice is heap brick, chock plate, and there are many for such way
Drawback:
1) material requested is live materials, and corner coaster is difficult to be fixedly secured, and coaster can not carry out preferable height
Adjustment, so that on the corner bending radius cannot be guaranteed cable, trailing cable pulling force will lead to cable fault when increasing.
2) if cable shaft has cable run in operation, existing cable system of laying is taken to deposit cable fault in operation
Risk causes safety accident.
3) it constructs lack of standardization, technique is difficult to control.
Summary of the invention
The main object of the present invention is to propose a kind of cable pavement guide device for rotation angle well, it is intended to overcome above ask
Topic.
To achieve the above object, a kind of cable pavement guide device for rotation angle well proposed by the present invention, including be equipped with
Guidance skeleton, at least three idler wheels and at least four support legs of inner ring and outer rings, each idler wheel are laterally located at guidance skeleton
Inner ring and outer rings between, each idler wheel uniform intervals setting, each support leg is fixed on the inner ring of the guidance skeleton
Bottom, and the longitudinal axis of its longitudinal axis and each idler wheel is staggeredly spaced, the outer ring of the guidance skeleton is against extraneous in kind.
Preferably, relational expression between the inner ring radius of the guidance skeleton and the lateral pressure P of cable laying are as follows:
P=T/R
Wherein stress suffered by cable laying includes the tractive force T of cable laying and the lateral pressure P, R of cable laying are guidance
The inner ring radius of skeleton.
Preferably, relational expression between stress suffered by the spacing and cable laying between the idler wheel are as follows:
P ≈ TS/R,
Wherein stress suffered by cable laying includes the tractive force T of cable laying and the lateral pressure P, R of cable laying are guidance
The semidiameter on skeleton both sides, spacing of the S between two idler wheels, θ indicate the angle of rotation angle well.
Preferably, if cable laying need to curve 90 °, and it is uniformly arranged n idler wheel, the interval S between two idler wheels is by following
Formula calculates:
S=π r/2 (n-1)
Wherein spacing of the S between two idler wheels, r are the distance in idler wheel center to the center of circle.
Preferably, the Shuo Mu of the support leg≤idler wheel number+1.
Preferably, each support leg is all made of the support rod with stretching structure.
Preferably, the guidance skeleton uses arc rail.
Preferably, the tree for using frictional force small with the contact surface of cable of the idler wheel refers to that base, Metal Substrate or ceramic base are multiple
Condensation material is made.
Preferably, the support leg is evenly arranged in the inner ring bottom of the guidance skeleton.
Preferably, the above-mentioned component count combined by guidance skeleton, idler wheel and support leg is at least two.
The present invention realizes cable radius and suffered Stress Control in cable laying operation process in the range that meets the requirements
It is interior, specification cable laying construction technology, improve construction standardization, reduce cable laying damaged risk, improve cable safety and
Service life improves construction efficiency, improves engineering management level.
1) this project cable corner guidance skeleton is mainly used in various specifications high-low pressure cable laying.
2) practicability is good, and the damage of cable on the corner maximum can be reduced when cable laying.
3) versatility is good, is suitable for new well cable laying and old well is laid, and mainly avoids existing cable and considers to old
The protection of cable guarantees construction personnel's safety.
4) installation is simple, and idler wheel accurate positioning is quick and easy for installation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is structural schematic diagram of the present invention for one embodiment of cable pavement guide device of rotation angle well,
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
As shown in Figure 1, a kind of cable pavement guide device for rotation angle well proposed by the present invention, including be equipped with inner ring and
The guidance skeleton 1 of outer ring, at least three idler wheels 2 and at least four support legs 3, each idler wheel 2 are laterally located at guidance skeleton 1
Between inner ring and outer rings, each 2 uniform intervals of idler wheel setting, each support leg 3 is fixed on the inner ring of the guidance skeleton 1
Bottom, and the longitudinal axis of its longitudinal axis and each idler wheel is staggeredly spaced, the outer ring of the guidance skeleton 1 is against extraneous real
Object.
In embodiments of the present invention, the present invention is to be formed by the combination of guidance skeleton 1, idler wheel 2 and support leg 3 for rotation angle well
Cable pavement guide device, in rotation angle well position, when cable laying, needs to consider that corner laying and bend tension, cable are turning
Breakage can often occur on the path of angle.The present invention will guide skeleton 1 to be supported in rotation angle well by support leg 3, and cable is set to idler wheel 2
On, it along the guidance of guidance skeleton 1, is pierced by rotation angle well laying, reduces cable insulation or sheath because laying is damaged.
Preferably, relational expression between the inner ring radius of the guidance skeleton 1 and the lateral pressure P of cable laying are as follows:
P=T/R
Wherein stress suffered by cable laying includes the tractive force T of cable laying and the lateral pressure P, R of cable laying are guidance
The inner ring radius of skeleton 1.
Preferably, relational expression between stress suffered by the spacing and cable laying between the idler wheel 2 are as follows:
P ≈ TS/R,
Wherein stress suffered by cable laying includes the tractive force T of cable laying and the lateral pressure P, R of cable laying are guidance
The semidiameter on 1 both sides of skeleton, spacing of the S between two idler wheels 2, θ indicate the angle of rotation angle well.
Preferably, if cable laying need to curve 90 °, and be uniformly arranged n idler wheel 2, the interval S between two idler wheels 2 by with
Lower formula calculates:
S=π r/2 (n-1)
Wherein spacing of the S between two idler wheels 2, r are the distance in 2 center of idler wheel to the center of circle.
Preferably, the Shuo Mu of the support leg 3≤idler wheel 2 number+1.
In embodiments of the present invention, the present invention exists cable radius and suffered Stress Control in cable laying operation process
It meets the requirements in range, the Cable Bending Radius for being laid in rotation angle well is detected and controlled.
Preferably, each support leg 3 is all made of the support rod with stretching structure.
In embodiments of the present invention, support leg 3 adapts to different height geographical environment using the support rod of stretching structure
Demand, such as rotation angle well.
Preferably, the guidance skeleton 1 uses arc rail.
In embodiments of the present invention, guidance skeleton 1 uses arc rail, reinforces the fastness of support.
Preferably, the tree for using frictional force small with the contact surface of cable of the idler wheel 2 refers to that base, Metal Substrate or ceramic base are multiple
Condensation material is made.
In embodiments of the present invention, by the material small using frictional force with the contact surface of cable of idler wheel 2, reduction rubs
It wipes.
Preferably, the support leg 3 is evenly arranged in the inner ring bottom of the guidance skeleton 1.
In embodiments of the present invention, it is evenly arranged by support leg 3, to provide the stationarity of cable laying.
Preferably, above-mentioned to be at least two by guidance skeleton 1, idler wheel 2 and the combined component count of support leg 3.
In embodiments of the present invention, it should be appreciated that ground is, by guidance skeleton 1, idler wheel 2 and the combined package count of support leg 3
Mesh is can to increase, to provide the cable of different model while carry out the laying of rotation angle well.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of cable pavement guide device for rotation angle well, which is characterized in that the guidance bone including being equipped with inner ring and outer rings
Frame, at least three idler wheels and at least four support legs, each idler wheel are laterally located between the inner ring and outer rings of guidance skeleton, often
A idler wheel uniform intervals setting, each support leg are fixed on the inner ring bottom of the guidance skeleton, and its longitudinal axis with
The longitudinal axis of each idler wheel is staggeredly spaced, and the outer ring of the guidance skeleton is against extraneous in kind.
2. being used for the cable pavement guide device of rotation angle well as described in claim 1, which is characterized in that the guidance skeleton
Relational expression between inner ring radius and the lateral pressure P of cable laying are as follows:
P=T/R
Wherein stress suffered by cable laying includes the tractive force T of cable laying and the lateral pressure P, R of cable laying are guidance skeleton
Inner ring radius.
3. being used for the cable pavement guide device of rotation angle well as described in claim 1, which is characterized in that between the idler wheel
Relational expression between stress suffered by spacing and cable laying are as follows:
P ≈ TS/R,
Wherein stress suffered by cable laying includes the tractive force T of cable laying and the lateral pressure P, R of cable laying are guidance skeleton
The semidiameter on both sides, spacing of the S between two idler wheels, θ indicate the angle of rotation angle well.
4. being used for the cable pavement guide device of rotation angle well as described in claim 1, which is characterized in that if cable laying need to be curved
Turn 90 °, and be uniformly arranged n idler wheel, the interval S between two idler wheels is calculated by following formula:
S=π r/2 (n-1)
Wherein spacing of the S between two idler wheels, r are the distance in idler wheel center to the center of circle.
5. being used for the cable pavement guide device of rotation angle well as described in claim 1, which is characterized in that the number of the support leg
Mu≤idler wheel number+1.
6. being used for the cable pavement guide device of rotation angle well as described in claim 1, which is characterized in that each support leg
It is all made of the support rod with stretching structure.
7. being used for the cable pavement guide device of rotation angle well as described in claim 1, which is characterized in that the guidance skeleton is adopted
With arc rail.
8. as described in claim 1 be used for rotation angle well cable pavement guide device, which is characterized in that the idler wheel with electricity
The contact surface of cable refers to that base, Metal Substrate or ceramic matric composite are made using the small tree of frictional force.
9. being used for the cable pavement guide device of rotation angle well as described in claim 1, which is characterized in that the support leg is uniform
It is arranged in the inner ring bottom of the guidance skeleton.
10. being used for the cable pavement guide device of rotation angle well as described in claim 1, which is characterized in that above-mentioned by guidance bone
The component count of frame, idler wheel and support leg combination is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096498.0A CN109244954A (en) | 2018-09-19 | 2018-09-19 | A kind of cable pavement guide device for rotation angle well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096498.0A CN109244954A (en) | 2018-09-19 | 2018-09-19 | A kind of cable pavement guide device for rotation angle well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109244954A true CN109244954A (en) | 2019-01-18 |
Family
ID=65058976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811096498.0A Pending CN109244954A (en) | 2018-09-19 | 2018-09-19 | A kind of cable pavement guide device for rotation angle well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109244954A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137858A (en) * | 2019-06-21 | 2019-08-16 | 中船黄埔文冲船舶有限公司 | A kind of cable hanger |
| CN113346422A (en) * | 2021-06-04 | 2021-09-03 | 浙江世贸装饰股份有限公司 | Safe and reliable routing channel and method for temporary cable |
| CN113746031A (en) * | 2021-08-23 | 2021-12-03 | 国网上海市电力公司 | Synchronous laying and automatic inspection method and system for high-temperature superconducting cable |
| CN115133489A (en) * | 2022-08-03 | 2022-09-30 | 广东电网有限责任公司 | Cable trench corner support |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914399A (en) * | 2012-11-09 | 2013-02-06 | 广州供电局有限公司 | Cable laying side pressure monitor and cable turning laying equipment |
| CN103427373A (en) * | 2013-08-28 | 2013-12-04 | 中国一冶集团有限公司 | Multipurpose cable corner protective laying pulley block |
| CN204517290U (en) * | 2015-03-27 | 2015-07-29 | 国网浙江桐乡市供电公司 | Releasing pulley |
| CN206099169U (en) * | 2016-08-17 | 2017-04-12 | 嘉兴市恒欣电力建设有限公司 | Cable unwrapping wire corner coaster |
| CN209217587U (en) * | 2018-09-19 | 2019-08-06 | 广东电网有限责任公司 | Cable pavement guide device for rotation angle well |
-
2018
- 2018-09-19 CN CN201811096498.0A patent/CN109244954A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914399A (en) * | 2012-11-09 | 2013-02-06 | 广州供电局有限公司 | Cable laying side pressure monitor and cable turning laying equipment |
| CN103427373A (en) * | 2013-08-28 | 2013-12-04 | 中国一冶集团有限公司 | Multipurpose cable corner protective laying pulley block |
| CN204517290U (en) * | 2015-03-27 | 2015-07-29 | 国网浙江桐乡市供电公司 | Releasing pulley |
| CN206099169U (en) * | 2016-08-17 | 2017-04-12 | 嘉兴市恒欣电力建设有限公司 | Cable unwrapping wire corner coaster |
| CN209217587U (en) * | 2018-09-19 | 2019-08-06 | 广东电网有限责任公司 | Cable pavement guide device for rotation angle well |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137858A (en) * | 2019-06-21 | 2019-08-16 | 中船黄埔文冲船舶有限公司 | A kind of cable hanger |
| CN113346422A (en) * | 2021-06-04 | 2021-09-03 | 浙江世贸装饰股份有限公司 | Safe and reliable routing channel and method for temporary cable |
| CN113746031A (en) * | 2021-08-23 | 2021-12-03 | 国网上海市电力公司 | Synchronous laying and automatic inspection method and system for high-temperature superconducting cable |
| CN115133489A (en) * | 2022-08-03 | 2022-09-30 | 广东电网有限责任公司 | Cable trench corner support |
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