CN207743669U - Cable duct structure for large equipment base side - Google Patents
Cable duct structure for large equipment base side Download PDFInfo
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- CN207743669U CN207743669U CN201820110680.6U CN201820110680U CN207743669U CN 207743669 U CN207743669 U CN 207743669U CN 201820110680 U CN201820110680 U CN 201820110680U CN 207743669 U CN207743669 U CN 207743669U
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- cable
- ditch
- siding
- cable duct
- duct structure
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Abstract
The utility model provides a kind of concrete cable trench structure.The cable duct structure is a kind of cable duct structure for large equipment base side, which is characterized in that the cable duct structure includes：Bottom plate (1), ditch siding (2) and cover board (4), the wherein described bottom plate and the ditch siding constitute one for growing the conduit line (5) for placing cable to extension along large equipment base, and the cover board is used to cover the conduit line；Wherein, the bottom plate is the cantilevered plate for the reinforced concrete structure for being fixed on Equipment Foundations (3)；The ditch siding includes the left ditch siding for the reinforced concrete structure for being located on the bottom plate and being fixed on the bottom plate and right ditch siding；The cover board is located at the top of the ditch siding and by the ditch panel support；The one or both sides of the inner surface of the ditch siding are equipped with cable trough, and the cable trough is for the fixed cable.
Description
Technical field
The utility model is related to building fields, more particularly to the cable duct structure for large equipment base side.
Background technology
Large equipment base side cable duct is generally separately provided at present, and cable duct separates with Equipment Foundations and keeps certain
Distance, therefore the prior art has the shortcomings that construction land area requirements are big.However, Chinese soil resource is limited.It economizes on
Ground is the fundamental state policy in China, it is therefore desirable to which adaptation to local conditions, reasonable Arrangement are saved the area, and land utilization ratio is improved.
Current cable duct, bottom plate uses armored concrete, and prefabricating coping is built using masonry and set to furrow bank by laying bricks or stones, so
And large equipment base side be arranged brick cable duct often lead to cable duct overall stability it is bad.In addition, large scale equipment
Equipment Foundations buried depth it is larger, foundation pit surrounding needs heavy excavation, cable duct that will fall in backfill when construction, and Equipment Foundations are heavy in addition
Drop will cause cable duct, to differential settlement is generated, to seriously affect the safe operation of substation along long.
Therefore, this field need develop stability it is good, be not susceptible to the small cable duct of differential settlement, construction land tenure area
Structure.
Utility model content
The purpose of this utility model is to provide that a kind of stability is good, be not susceptible to differential settlement, construction land tenure area is small
Cable duct structure.
In the utility model in a first aspect, providing a kind of cable duct structure for large equipment base side, institute
Stating cable duct structure includes：Bottom plate (1), ditch siding (2) and cover board (4), wherein the bottom plate and the ditch siding constitute one
For growing the conduit line (5) for placing cable to extension along large equipment base, and the cover board is described for covering
Conduit line；
Wherein, the bottom plate is the cantilevered plate for the reinforced concrete structure for being fixed on Equipment Foundations (3)；
The ditch siding includes the reinforced concrete structure for being located on the bottom plate and being fixed on the bottom plate
Left ditch siding and right ditch siding；
The cover board is located at the top of the ditch siding and by the ditch panel support；
The one or both sides of the inner surface of the ditch siding are equipped with cable trough, and the cable trough is for the fixed electricity
Cable.
In another preferred example, the cable trough includes body frame (8), compound cable support (9) and fixed structure (10),
The body frame is fixed on the inside of the ditch siding by fixed structure, and the compound cable support be fixed on it is described
Body frame on.
In another preferred example, the bottom plate is equipped with gutter (6) and is set to the conduit line bottom surface
Screed-coat (11).
In another preferred example, the cable duct structure is additionally provided with positioned at the bottom of the ditch siding for draining
Drainpipe (7).
In another preferred example, the drainpipe is set at the bottom of trench 0-100mm apart from the conduit line.
In another preferred example, the fixed structure is selected from the group：Prefabricated component, setscrew, expansion bolt, chemical spiral shell
Bolt, or combinations thereof.
In another preferred example, the cantilevered plate is the reinforced concrete floor that thickness is 150-350mm；And/or it is described
The cantilever span of cantilevered plate is 1.0-3.0m.
In another preferred example, the ditch siding is the armored concrete for the one-time cast-forming that thickness is 100-200mm
Ditch siding.
In another preferred example, the length of the conduit line is 200-2000 meters；And/or the width of the conduit line
It is 0.6-2.0m for 0.6-2.0m and/or height.
In another preferred example, for each cable trough, the 3-11 compound cable supports are equipped with.
In another preferred example, the both sides of the inner surface of the ditch siding are designed with the cable trough.
In another preferred example, on the length direction along the conduit line, every 50-150cm, preferably 70-
The 90cm settings cable trough.
In another preferred example, the length of each ditch siding is 5-10m, and is set in two adjacent ditch sidings
There is expansion joint.
In another preferred example, the expansion joint between the ditch siding is corresponding with the position at the expansion joint of the Equipment Foundations
's.
It should be understood that in the scope of the utility model, above-mentioned each technical characteristic of the utility model and below (such as implementation
Example) in specifically describe each technical characteristic between can be combined with each other, to form a new or preferred technical solution.It is limited to
Length, not repeated them here.
Description of the drawings
Fig. 1 overhangs cable trench floor sectional view.
Wherein,
1 is the bottom plate of cable duct；
2 be the ditch siding of cable duct；
3 be Equipment Foundations (or the big plate of Equipment Foundations)；
4 be cover board；
5 be conduit line；
6 be gutter；
7 be drainpipe；
8 be the body frame of cable trough；
9 be the compound cable support of cable trough；
10 be fixed structure；
11 be screed-coat；
12 be cable (such as composite cable).
Specific implementation mode
The present inventor widely studies by deeply, develops a kind of and integrated cable duct of Equipment Foundations for the first time
(especially suitable for large scale equipment grow to cable duct, such as GIS device), the cable duct of the utility model is with the overhanging of Equipment Foundations
Plate as cable trench floor and one-time formed concrete as ditch siding, therefore, the cable duct monolithic stability of the utility model
Property is good, avoids cable duct because differential settlement is broken and characteristics of compact layout is to reduce land area, reduces electricity
Laying length needed for cable.The utility model is completed on this basis.
Term
As used herein, term " cable duct structure " and " cable duct " are used interchangeably, and refer to for placing cable (especially
The composite cable of power equipment) structure.
As used herein, term " the cable duct structure of the utility model " and " cable duct of the utility model " are interchangeable
It uses, refers to the cable duct structure described in the utility model first aspect comprising bottom plate, ditch siding and cover board.
As used herein, term " Equipment Foundations " refer to the reinforced concrete foundation structure needed for large and medium-sized equipment installation,
The required reinforced concrete foundation structure of large and medium-sized power equipment is especially installed.
Herein, upper and lower, left and right are only relativeness, for convenience of description, and it is non-limiting.
For ease of description, the utility model is further described below in conjunction with attached drawing.It should be understood that these attached drawings are not used to
Limit the scope of the utility model.
Cable duct overall structure
As shown in Figure 1, it includes bottom plate 1, ditch siding 2 and cover board 4 that the utility model, which provides a kind of cable duct structure,.Wherein
The bottom plate and the ditch siding constitute one for growing the cable for placing cable 12 to extension along large equipment base
Raceway groove 5, and the cover board is used to cover the conduit line；
Wherein, the bottom plate 1 is the cantilevered plate for the reinforced concrete structure for being fixed on Equipment Foundations 3；The ditch siding 2
Using reinforced concrete structure, the ditch siding include be located on the bottom plate and be fixed on the bottom plate reinforcing bar it is mixed
The left ditch siding and right ditch siding of Xtah Crude Clay structure；The cover board 4 is located above the ditch siding and is supported by the ditch siding 2；
The ditch siding is additionally provided with cable bearer, and the cable bearer is fixed on the one or both sides of ditch siding inner surface and for fixing
The cable.
In a preference, the conduit line width is 0.6-2.0m and/or height is 0.6-2.0m.
In one embodiment, ditch siding 2 is the armored concrete ditch siding of the one-time cast-forming of thickness 100-200mm.
In one embodiment, the cantilever span of the cantilevered plate is 1.5-3.0m；And the reinforcing bar insertion of the cantilevered plate bottom plate is set
Standby basis must satisfy national regulation requirement (for example, baseplate reinforcing bar embedded equipment basis 0.5-2m)；In another embodiment, institute
It is reinforced concrete floor to state cantilevered plate, and the preferably described bottom plate thickness 150 to 350mm is (for example, can be used 250mm reinforced concretes
Native bottom plate), specific thickness can adjust plate thickness according to load.
In another embodiment, each ditch siding length is 5-10m, and is equipped in two adjacent ditch sidings
Expansion joint (not shown).In another embodiment, ditch upper wall portion external corner use pushes away circular arc obtuse angle, prefabricated without separately installing
Bear down on one.In another preference, gap is handled with backfill between the ditch siding and the Equipment Foundations, it is preferable that is returned with rubble
Fill out processing.
Cable duct internal structure
In another embodiment, the ditch bottom of the cable duct is equipped with (optionally, the gutter section of gutter 6
For semicircle；It is highly preferred that the section radius in the gutter is 30-70mm, such as 50mm).In another embodiment, institute
It states ditch siding and is equipped with drainpipe 7 (such as pvc drainpipes)；Preferably, away from bottom of trench or concrete layer 0 at 100mm；At another
In embodiment, the draining pipe outside diameter 30-70mm.
In another preferred example, one layer of screed-coat 11 can also be laid on the bottom plate.The screed-coat is for drawing water
It is directed at gutter 6, to conveniently be discharged into the water of conduit line.When gutter is located at the centre of conduit line bottom, then
Both sides height, intermediate low structure is presented in screed-coat.
In the present invention, the screed-coat is preferably cement mortar screeding layer (for example, by using 1:3 cement mortars are looked for
Flat bed)；Separately preferably, the average thickness of the screed-coat is 10-30mm.
Cable trough structure
The cable trough includes body frame 8, compound cable support 9 and fixed structure 10, and the body frame passes through fixed structure
It is fixed on the inside in the next door, the compound cable support is fixed on the body frame.Optionally, described compound
Cable bearer is equipped with 3-11 compound cable support, compound cable support spacing 150-160mm.Optionally, the fixation
Structure is selected from：Prefabricated component, setscrew, expansion bolt, chemical bolt, or combinations thereof (for example, chemical bolt can be used).One
In a preference, 2 side of ditch siding inner surface of the cable duct is designed with the cable trough.In a preference,
Along the length direction of the conduit line, every 50-150cm, the preferably 70-90cm settings cable trough.
Compared with existing cable ditch, which has the following advantages that：
(1) the utility model cable duct forms one with Equipment Foundations, using Equipment Foundations cantilevered plate as cable trench floor,
Overall stability is good, avoids cable duct because differential settlement is broken.
(2) arrangement for optimizing cable duct reduces substation's land area, reduces cable kilometer in right amount.
(3) the primary Cheng You of concrete cable trench is reduced relative to brick cable duct working procedure, and the duration is accordingly reduced.
(4) concrete cable trench is good compared to more brick cable duct anti-permeability performance, the cable in effective protection cable duct.
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In the following examples, the experimental methods for specific conditions are not specified, leads to
Often according to normal condition or according to the normal condition proposed by manufacturer.Unless otherwise stated, otherwise percentage and number are weight
Percentage and parts by weight.
Embodiment 1
In substation's general layout, nearly 500m long cable ducts are connected with GIS bottom plates, have both reduced and have used ground
Product, and can be to avoid generation differential settlement.
As shown in Figure 1, the utility model is illustrated by taking Shijiazhuang 1000kV substations new construction as an example, the engineering
The 1000kVGIS Equipment Foundations East and West direction overall lengths 473.4m × wide 29.9m in north-south, GIS device basis southern side sets 1300 (width)
X1000 (height) cable duct, cable duct is apart from Equipment Foundations 0.395m, to avoid cable duct that differential settlement, Equipment Foundations occur
If bottom plate of one piece of cantilevered plate 1 (overhanging 2.045m, the reinforced concrete floor of 250mm thickness) as cable duct, the cantilevered plate bottom
Slab muscle embedded equipment basis 1000mm is to meet Bar Anchorage requirement.20mm thick 1 is laid on bottom plate:3 cement mortar screedings
Layer.
Cable duct uses reinforced concrete structure, and subsiding crack, which stays, sets that position is identical as Equipment Foundations bottom plate, and ditch siding is stretched
Contracting mono- section of 6-9m of seam is carried out by expansion joint segment length when construction jumping section construction, and Equipment Foundations are used with cable duct wall plate interspaces
Rubble backfills, and sets drainpipe 7 (PVC50) and gutter 6 (R=50) in bottom of trench.Concrete cable trench siding pours into
Type, ditch upper wall portion external corner use push away circular arc obtuse angle, and protective bulkhead angle is not by clashing and breaking, without another installation prefabricating coping, such as ditch siding
Top external corner is then repaired that there are aberration using right angle by clashing and breaking.Plate 4 is capped on cable duct, the thickness of the cover board 4 is 50mm,
Width is 1.66m.
Compound cable support is arranged in the furrow bank intralamellar part of cable duct, wherein is designed with cable trough on the inside of left and right ditch siding.
The cable trough includes body frame, compound cable support and fixed structure.8 cable supports are equipped in the present embodiment in a cable trough
Frame (i.e. compound cable support), the cable support frame are fixed on body frame, and body frame is fixed on ditch siding by fixed structure
Inside, fixed structure is chemical bolt in the present embodiment.The cable trough is grown in cable duct upwards apart from one another by 800mm.
It is incorporated herein by reference in all documents that the utility model refers to, just as each document quilt
It is individually recited as reference.In addition, it should also be understood that, after having read the above-mentioned instruction content of the utility model, this field skill
Art personnel can make various changes or modifications the utility model, and such equivalent forms equally fall within the application appended claims
Book limited range.
Claims (10)
1. a kind of cable duct structure for large equipment base side, which is characterized in that the cable duct structure includes：Bottom plate
(1), ditch siding (2) and cover board (4), wherein the bottom plate and the ditch siding constitute one for along large equipment base grow to
The conduit line (5) for placing cable extended, and the cover board is used to cover the conduit line；
Wherein, the bottom plate is the cantilevered plate for the reinforced concrete structure for being fixed on Equipment Foundations (3)；
The ditch siding includes the left ditch for the reinforced concrete structure for being located on the bottom plate and being fixed on the bottom plate
Siding and right ditch siding；
The cover board is located at the top of the ditch siding and by the ditch panel support；
The one or both sides of the inner surface of the ditch siding are equipped with cable trough, and the cable trough is for the fixed cable.
2. cable duct structure as described in claim 1, which is characterized in that the cable trough includes body frame (8), composite cable branch
Frame (9) and fixed structure (10), the body frame are fixed on the inside of the ditch siding by fixed structure, and described answer
Cable bearer is closed to be fixed on the body frame.
3. cable duct structure as described in claim 1, which is characterized in that the bottom plate is equipped with gutter (6) and is set to
The screed-coat (11) of the conduit line bottom surface.
4. cable duct structure as described in claim 1, which is characterized in that the cable duct structure is additionally provided with positioned at the furrow bank
The drainpipe (7) for draining of the bottom of plate.
5. cable duct structure as claimed in claim 2, which is characterized in that the fixed structure is selected from the group：Prefabricated component, expansion
Screw, expansion bolt, chemical bolt, or combinations thereof.
6. cable duct structure as described in claim 1, which is characterized in that the cantilevered plate is the reinforcing bar that thickness is 150-350mm
Concrete floor；And/or
The cantilever span of the cantilevered plate is 1.0-3.0m.
7. cable duct structure as described in claim 1, which is characterized in that the length of the conduit line is 200-2000 meters；With/
Or the width of the conduit line is 0.6-2.0m and/or height is 0.6-2.0m.
8. cable duct structure as claimed in claim 2, which is characterized in that for each cable trough, be equipped with 3-11 institute
The compound cable support stated.
9. cable duct structure as described in claim 1, which is characterized in that the length of each ditch siding is 5-10m, and
It is equipped with expansion joint in two adjacent ditch sidings.
10. cable duct structure as claimed in claim 9, which is characterized in that the expansion joint between the ditch siding and the equipment base
The position at the expansion joint of plinth is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820110680.6U CN207743669U (en) | 2018-01-23 | 2018-01-23 | Cable duct structure for large equipment base side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820110680.6U CN207743669U (en) | 2018-01-23 | 2018-01-23 | Cable duct structure for large equipment base side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207743669U true CN207743669U (en) | 2018-08-17 |
Family
ID=63123623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820110680.6U Active CN207743669U (en) | 2018-01-23 | 2018-01-23 | Cable duct structure for large equipment base side |
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| Country | Link |
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| CN (1) | CN207743669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510153A (en) * | 2018-11-28 | 2019-03-22 | 深圳市市政工程总公司 | 110KV cable duct original position supportive structure |
-
2018
- 2018-01-23 CN CN201820110680.6U patent/CN207743669U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510153A (en) * | 2018-11-28 | 2019-03-22 | 深圳市市政工程总公司 | 110KV cable duct original position supportive structure |
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