CN209217587U - Cable pavement guide device for rotation angle well - Google Patents
Cable pavement guide device for rotation angle well Download PDFInfo
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- CN209217587U CN209217587U CN201821538808.5U CN201821538808U CN209217587U CN 209217587 U CN209217587 U CN 209217587U CN 201821538808 U CN201821538808 U CN 201821538808U CN 209217587 U CN209217587 U CN 209217587U
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- cable
- guidance
- skeleton
- rotation angle
- idler wheel
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Abstract
The utility model 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 utility model 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 utility model relates to cable auxiliary field, in particular to a kind of cable laying for rotation angle well guides dress
It sets.
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.
Utility model content
The main purpose of the utility model is to propose a kind of cable pavement guide device for rotation angle well, it is intended to overcome with
Upper problem.
To achieve the above object, the utility model proposes a kind of cable pavement guide device for rotation angle well, including
Guidance skeleton, at least three idler wheels and at least four support legs, each idler wheel equipped with inner ring and outer rings are laterally located at guidance
Between the inner ring and outer rings of skeleton, each idler wheel uniform intervals setting, each support leg is fixed on the guidance skeleton
Inner ring 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 the external world
It is 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 utility model realization is meeting the requirements cable radius and suffered Stress Control in cable laying operation process
In range, specification cable laying construction technology improves construction standardization, reduces cable laying damaged risk, improves cable safety
Property and service life, improve construction efficiency, improve 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 illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is structural schematic diagram of the utility model 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, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
As shown in Figure 1, the utility model proposes a kind of cable pavement guide device for rotation angle well, including be equipped with interior
The guidance skeleton 1 of ring and outer ring, at least three idler wheels 2 and at least four support legs 3, each idler wheel 2 are laterally located at guidance bone
Between the inner ring and outer rings of frame 1, each 2 uniform intervals of idler wheel setting, each support leg 3 is fixed on the guidance skeleton 1
Inner ring bottom, and the longitudinal axis of its longitudinal axis and each idler wheel is staggeredly spaced, and the outer ring of the guidance skeleton 1 is against outer
Boundary is in kind.
In the utility model embodiment, the utility model is to form use by the combination of guidance skeleton 1, idler wheel 2 and support leg 3
In the cable pavement guide device of rotation angle well, in rotation angle well position, when cable laying, needs to consider corner laying and bend tension,
Breakage can often occur on corner path for cable.The utility model will guide skeleton 1 to be supported in rotation angle well by support leg 3, electricity
Cable is set on idler wheel 2, along the guidance of guidance skeleton 1, is pierced by rotation angle well laying, is reduced cable insulation or sheath because of laying
It 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 the utility model embodiment, the utility model by cable radius and suffered is answered in cable laying operation process
Power controls in the range that meets the requirements, and detects and controls to the Cable Bending Radius for being laid in rotation angle well.
Preferably, each support leg 3 is all made of the support rod with stretching structure.
In the utility model embodiment, support leg 3 adapts to different height geography using the support rod of stretching structure
The demand of environment, such as rotation angle well.
Preferably, the guidance skeleton 1 uses arc rail.
In the utility model embodiment, 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 the utility model embodiment, by the material small using frictional force with the contact surface of cable of idler wheel 2, reduce
Friction.
Preferably, the support leg 3 is evenly arranged in the inner ring bottom of the guidance skeleton 1.
It in the utility model embodiment, 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 the utility model embodiment, it should be appreciated that ground is, by guidance skeleton 1, idler wheel 2 and the combined group of support leg 3
Number of packages mesh is can to increase, to provide the cable of different model while carry out the laying of rotation angle well.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. being used for the cable pavement guide device of rotation angle well, which is characterized in that the guidance skeleton, extremely including being equipped with inner ring and outer rings
Few 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, Mei Gesuo
State the setting of idler wheel uniform intervals, each support leg is fixed on the inner ring bottom of the guidance skeleton, and its longitudinal axis and each
The longitudinal axis of 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.
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 is made of frictional force small resin base, Metal Substrate or ceramic matric composite.
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 |
|---|---|---|---|
| CN201821538808.5U CN209217587U (en) | 2018-09-19 | 2018-09-19 | Cable pavement guide device for rotation angle well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821538808.5U CN209217587U (en) | 2018-09-19 | 2018-09-19 | Cable pavement guide device for rotation angle well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209217587U true CN209217587U (en) | 2019-08-06 |
Family
ID=67454396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821538808.5U Active CN209217587U (en) | 2018-09-19 | 2018-09-19 | Cable pavement guide device for rotation angle well |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244954A (en) * | 2018-09-19 | 2019-01-18 | 广东电网有限责任公司 | A kind of cable pavement guide device for rotation angle well |
| CN110635435A (en) * | 2019-10-13 | 2019-12-31 | 国网山东省电力公司莱芜供电公司 | Cable trench external corner fixing and protecting device and method |
-
2018
- 2018-09-19 CN CN201821538808.5U patent/CN209217587U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244954A (en) * | 2018-09-19 | 2019-01-18 | 广东电网有限责任公司 | A kind of cable pavement guide device for rotation angle well |
| CN110635435A (en) * | 2019-10-13 | 2019-12-31 | 国网山东省电力公司莱芜供电公司 | Cable trench external corner fixing and protecting device and method |
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