CN106451271B - A kind of cable passageway portal structure and its installation method - Google Patents
A kind of cable passageway portal structure and its installation method Download PDFInfo
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- CN106451271B CN106451271B CN201611231425.9A CN201611231425A CN106451271B CN 106451271 B CN106451271 B CN 106451271B CN 201611231425 A CN201611231425 A CN 201611231425A CN 106451271 B CN106451271 B CN 106451271B
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- cable
- steel pipe
- protection steel
- cable protection
- pipe
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
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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
- H02G1/085—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 using portable tools
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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
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
Abstract
The present invention relates to a kind of cable passageway portal structure and its installation method, belongs to electrical equipment technical field.Technical scheme is：By cable（1）Be laid in ground（30）In following cable duct, cable sequentially passes through the basis of highway side（2）With cable protection steel pipe, arc bridge stand beam is applied to（12）Cable support load（14）After upper, stretching, cable are continued up（1）Upward external part sequentially passes through elbow protection pipe（24）Extended downwardly from after protection pipe two, cable（1）Downward external part sequentially passes through cable protection steel pipe and the basis of highway opposite side again（2）After extend into ground（30）In following cable duct.The positive effect of the present invention：Solve not having when cable crosses highway geology under the jacking construction scope of operation or highway to be not suitable for the problem that push pipe, highway do not allow the place excavated to run into, both do not had to destroy road surface, and do not influence traffic, with easy for construction, save labor, short construction period, the advantages such as expense is low.
Description
Technical field
The present invention relates to a kind of cable passageway portal structure and its installation method, belongs to electrical equipment technical field.
Background technology
Conventional cable passageway typically using the method for excavation or push pipe, excavation construction cycle length, influences traffic, expense of taking a lot of work
Power；Push pipe needs operation side big, requires harshness, it is necessary to avoid underground electric, sewage, heat the geological conditions below road
The pipelines such as power, water supply, combustion gas.Other drift sand, mudstone mixing soil property are not suitable for push pipe, and also some soil properties are pushed up only at all
Go.This just needs to inquire into a kind of new cable passageway structure and the method in cable passageway.
The content of the invention
It is an object of the invention to provide a kind of cable passageway portal structure and its installation method, cable needs crossing highway
When, two concrete pedestals are poured into a mould in both sides of highway, pass through foundation bolt two high bridge frame support structures of installation, bridge on concrete pedestal
Arc crane span structure attachment structure is installed on frame support structure, cable easily solves passageway problem by column, cable cat ladder and crane span structure,
This cable testing bridge passageway structures and methods had not both had to destroy road surface, and did not influenceed traffic, easy for construction, saved labor, were applicable
Pipe, highway do not allow the place excavated on geology top under the no jacking construction scope of operation or highway, solve background technology and deposit
Above mentioned problem.
The technical scheme is that：
A kind of cable passageway portal structure, comprising crane span structure supporting construction and crane span structure attachment structure, the crane span structure supporting construction
For two, the both sides of highway are symmetricly set on, crane span structure attachment structure is arcuate structure, is arranged on the top of crane span structure supporting construction,
Both ends are fixed on the upper end of two crane span structure supporting constructions；
The crane span structure supporting construction includes basis, foundation bolt, lower margin stirrup, base anchor, column, cable cat ladder, connection
Plate, cable protection steel pipe and pipe anchor ear is helped, the basis cast on the ground, is provided with foundation bolt, lower margin stirrup is tied up in basis
If on foundation bolt；Column is four, and two are one group, and every group arranged in parallel, and the bottom of four columns is welded on ground
On sole, on the basis of base anchor is fixed on, the upper end of column is provided with connecting plate；Cable cat ladder is several, is vertically fixed on phase
Between adjacent two columns；Cable protection steel pipe is arranged between four columns, on the basis of bottom is fixed on, cable protection steel pipe bag
Steel pipe containing cable protection one and cable protection steel pipe two, cable protection steel pipe one and cable protection steel pipe two are semicircle steel
Pipe, cable protection steel pipe one and the outside of cable protection steel pipe two are welded with fixing bolt, cable protection steel pipe one and cable protection
Steel pipe two is arranged on cable cat ladder by fixing bolt；Cable protection steel pipe one and cable protection steel pipe two pass through connecting bolt
It is fastened and fixed；Pipe anchor ear is helped to be arranged on the outside of cable protection steel pipe, by cable protection steel pipe strap on cable bearer；
The crane span structure attachment structure includes arc bridge stand beam, diagonal brace two, cable support load, elbow protection pipe, the and of protection pipe two
Card pipe anchor ear, the arc bridge stand beam are four, and four arc bridge stand beams form the bent frame of cavity, the bottom of arc bridge stand beam
End is connected by the top of connecting plate and column, and two neighboring arc bridge stand beam is provided with several diagonal braces two and cable support is carried on a shoulder pole,
Protection pipe two is located in the cavity of bent frame, and protection pipe two is fastened in cable support load by card pipe anchor ear；Elbow protection pipe
For two, the inside of crane span structure supporting construction and crane span structure attachment structure junction, elbow protection pipe one end and cable are symmetricly set on
Fastener for connection is protected, the other end is connected with protection pipe two.
The upper end of the cable protection steel pipe one and cable protection steel pipe two is equipped with steel pipe tube head plastic cement one, cable protection
The lower end of steel pipe one and cable protection steel pipe two is equipped with steel pipe tube head plastic cement two.
Crossbeam and crossbeam diagonal brace are also included, crossbeam is arranged between two crane span structure supporting constructions, by connecting plate with being located at
The column of basic inner side is connected, and crossbeam is provided with several crossbeam diagonal braces.
The base anchor is fixed on the upper of basis by anchor nut.
The left and right sides of the cable protection steel pipe one is equipped with connecting screw hole one, the left and right sides of cable protection steel pipe two
Connecting screw hole two, cable protection steel pipe one and cable protection steel pipe two is equipped with to pass through connecting screw hole one by connecting bolt and connect
Screw two is connect to be fastened and fixed.
The connecting plate is connected by connecting bolt one with arc bridge stand beam, is connected by connecting bolt two with column.
A kind of installation method of cable passageway portal structure, using above-mentioned cable passageway portal structure, its installation steps is such as
Under：
The first step, lower margin stirrup is tied with both sides of highway pre-embedded anchoring bolts, foundation bolt, around foundation bolt
Cast basis；
Second step, four root posts are taken, two one group, every group is be arranged in parallel, and four root post bottoms are welded on base anchor, and four
The top of root post is burn-on four connecting plates respectively, burn-on between two neighboring column several cable cat ladders, after welding, column
It is fixed on by base anchor on the basis of highway side；
3rd step, then four root posts are taken, two one group, every group is be arranged in parallel, and four root post bottoms are welded on base anchor,
The top of four root posts is burn-on four connecting plates respectively, several cable cat ladders of being burn-on between two neighboring column, will after welding
Column is fixed on the basis of highway opposite side by base anchor；
4th step, several crossbeam diagonal braces are welded on crossbeam, then crossbeam is welded with to the horizontal stroke of several crossbeam diagonal braces
Beam is lifted on the column of basis inner side；
5th step, diagonal brace two and cable support load are respectively welded on two neighboring arc bridge stand beam, then will be welded with tiltedly
The arc bridge stand beam of support two and cable support load is lifted on the column of both sides of highway, and arc bridge stand beam bottom passes through connecting plate
It is connected with the top of column；
6th step, fixing bolt is welded on to the outside of cable protection steel pipe one and cable protection steel pipe two, cable protection
The upper end of steel pipe one and cable protection steel pipe two bonding steel pipe tube head plastic cement one, cable protection steel pipe one and cable protection steel pipe two
Lower end bonding steel pipe tube head plastic cement two, then cable protection steel pipe one and cable protection steel pipe two are arranged on fixing bolt
On cable cat ladder；
7th step, by cable laying in the cable duct below ground, cable is protected through the basis of highway side and cable
Steel pipe one is protected, after being applied in the cable support load of arc bridge stand beam, stretching is continued up, cable protection steel pipe two is buckled in cable
Protect on steel pipe one, by connecting bolt clamping, then with helping pipe anchor ear to consolidate cable protection steel pipe two and cable protection steel pipe one
It is scheduled on cable cat ladder；
8th step, the upward external part of cable extend downwardly from after sequentially passing through elbow protection pipe and protection pipe two, then with card
Protection pipe two is stuck in cable support load by pipe anchor ear, and the cable that the downward external part of cable sequentially passes through highway opposite side again is protected
After protecting steel pipe one and basis, it extend into the cable duct below ground, cable protection steel pipe two is buckled in cable protection steel pipe one
On, by connecting bolt clamping, finally with helping pipe anchor ear that cable protection steel pipe two and cable protection steel pipe one are fixed on into cable
On cat ladder, that is, complete installation.
The positive effect of the present invention：Solve there is no geology under the jacking construction scope of operation or highway to be not suitable for when cable crosses highway
Push pipe, highway do not allow the problem that runs into of place excavated, and both do not have to destroy road surface, and do not influence traffic, have it is easy for construction,
Save labor, short construction period, the advantages such as expense is low.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
In figure：Cable 1, basis 2, foundation bolt 3, lower margin stirrup 4, base anchor 5, anchor nut 6, column 7, cable cat ladder
8th, connecting plate 9, crossbeam 10, crossbeam diagonal brace 11, arc bridge stand beam 12, diagonal brace 2 13, cable support load 14, cable protection steel pipe one
15th, cable protection steel pipe 2 16, fixing bolt 17, connecting bolt 18, connecting screw hole 1, connecting screw hole 2 20, help pipe anchor ear
21st, steel pipe tube head plastic cement 1, steel pipe tube head plastic cement 2 23, elbow protection pipe 24, protection pipe 2 25, card pipe anchor ear 26, connection
Bolt 1, connecting bolt 2 28, highway 29, ground 30.
Embodiment
The present invention is described further with reference to the accompanying drawings and examples：
A kind of cable passageway portal structure, comprising crane span structure supporting construction and crane span structure attachment structure, the crane span structure supporting construction
For two, the both sides of highway 29 are symmetricly set on, crane span structure attachment structure is arcuate structure, is arranged on the upper of crane span structure supporting construction
Side, both ends are fixed on the upper end of two crane span structure supporting constructions；
The crane span structure supporting construction includes basis 2, foundation bolt 3, lower margin stirrup 4, base anchor 5, column 7, cable cat ladder
8th, connecting plate 9, cable protection steel pipe and pipe anchor ear 21 is helped, described basic 2 are cast on ground 30, and lower margin spiral shell is provided with basis 2
Bolt 3, lower margin stirrup 4, which is tied up, to be set on foundation bolt 3；Column 7 is four, and two are one group, and every group arranged in parallel, four columns
7 bottom is welded on base anchor 5, and base anchor 5 is fixed on basis 2, and the upper end of column 7 is provided with connecting plate 9；Cable cat ladder
For several, it is vertically fixed between two neighboring column；Cable protection steel pipe is arranged between four columns 7, and bottom is fixed
On basis 2, cable protection steel pipe includes cable protection steel pipe 1 and cable protection steel pipe 2 16, cable protection steel pipe 1
It is semicircle steel pipe with cable protection steel pipe 2 16, cable protection steel pipe one and the outside of cable protection steel pipe two are welded with fixation
Bolt 17, cable protection steel pipe one and cable protection steel pipe two are arranged on cable cat ladder 8 by fixing bolt 17；Cable protection
Steel pipe one and cable protection steel pipe two are fastened and fixed by connecting bolt 18；Pipe anchor ear 21 is helped to be arranged on the outer of cable protection steel pipe
Side, by cable protection steel pipe strap on cable bearer；
The crane span structure attachment structure includes arc bridge stand beam 12, diagonal brace 2 13, cable support load 14, elbow protection pipe 24, guarantor
Pillar 2 25 and card pipe anchor ear 26, the arc bridge stand beam 12 are four, and four arc bridge stand beams 12 form the arc frame of cavity
Frame, the bottom of arc bridge stand beam 12 are connected by connecting plate 9 with the top of column 7, and two neighboring arc bridge stand beam 12 is provided with
Several diagonal braces 2 13 and cable support load 14, protection pipe 2 25 is located in the cavity of bent frame, and protection pipe 2 25 is managed by card
Anchor ear 26 is fastened in cable support load 14；Elbow protection pipe 24 is two, is symmetricly set on crane span structure supporting construction and is connected with crane span structure
The inside of structural attachments, the one end of elbow protection pipe 24 and cable protection fastener for connection, the other end are connected with protection pipe 2 25.
The upper end of the cable protection steel pipe 1 and cable protection steel pipe 2 16 is equipped with steel pipe tube head plastic cement one, cable
The lower end of protection steel pipe one and cable protection steel pipe two is equipped with steel pipe tube head plastic cement two（12）.
Crossbeam 10 and crossbeam diagonal brace 11 are also included, crossbeam 10 is arranged between two crane span structure supporting constructions, passes through connecting plate 9
It is connected with the column 7 positioned at the inner side of basis 2, crossbeam 10 is provided with several crossbeam diagonal braces 11.
The base anchor 5 is fixed on the upper of basis 2 by anchor nut 6.
The left and right sides of the cable protection steel pipe one is equipped with connecting screw hole 1, the left and right two of cable protection steel pipe two
Side is equipped with connecting screw hole 2 20, cable protection steel pipe one and cable protection steel pipe two and passes through connecting screw hole by connecting bolt 18
One and connecting screw hole two be fastened and fixed.
The connecting plate 9 is connected by connecting bolt 1 and arc bridge stand beam 12, passes through connecting bolt 2 28 and column
Connection.
The installation method of a kind of cable passageway portal structure, using above-mentioned cable passageway portal structure, it is characterised in that such as
Lower installation steps：
The first step, lower margin stirrup 4 is tied with the both sides pre-embedded anchoring bolts 3 of highway 27, foundation bolt, in foundation bolt 3
Around cast basis 2；
Second step, four root posts 7 are taken, two one group, every group be arranged in parallel, and the bottom of four root post 7 is welded in base anchor 5
On, the tops of four root posts 7 is burn-on four connecting plates 9 respectively, several cable cat ladders 8 of being burn-on between two neighboring column 7, weldering
After good, column 7 is fixed on the basis 2 of highway side by base anchor 5；
3rd step, then four root posts 7 are taken, two one group, every group be arranged in parallel, and the bottom of four root post 7 is welded in base anchor 5
On, the tops of four root posts 7 is burn-on four connecting plates 9 respectively, several cable cat ladders 8 of being burn-on between two neighboring column 7, weldering
Column 7 is fixed on the basis 2 of highway opposite side by base anchor 5 after good；
4th step, several crossbeam diagonal braces 11 are welded on crossbeam 10, crossbeam is then welded with several crossbeam diagonal braces
11 crossbeam 10 is lifted on the column 7 of the inner side of basis 2；
5th step, several diagonal braces 2 13 and cable support load 14 are respectively welded on two neighboring arc bridge stand beam 12,
Then the arc bridge stand beam 12 for being welded with diagonal brace 2 13 and cable support load 14 is lifted on the column 7 of both sides of highway, arc
The bottom of bridge stand beam 12 is connected by connecting plate 9 with the top of column 7；
6th step, fixing bolt 17 is welded on to the outside of cable protection steel pipe 1 and cable protection steel pipe 2 16, electricity
The upper end of cable protection steel pipe 1 and cable protection steel pipe 2 16 bonding steel pipe tube head plastic cement 1, the He of cable protection steel pipe 1
The lower end bonding steel pipe tube head plastic cement 2 23 of cable protection steel pipe 2 16, then by cable protection steel pipe 1 and cable protection steel
Pipe 2 16 is arranged on cable cat ladder 8 with fixing bolt 17；
7th step, cable 1 is laid in the cable duct below ground 30, basis 2 and electricity of the cable 1 through highway side
Cable protection steel pipe 1, after being applied in the cable support load 14 of arc bridge stand beam 12, stretching is continued up, by cable protection steel pipe
2 16 are buckled on cable protection steel pipe 1, by the clamping of connecting bolt 18, then with helping pipe anchor ear 21 by cable protection steel pipe two
16 and cable protection steel pipe 1 be fixed on cable cat ladder 8；
8th step, the upward external part of cable 1 extends downwardly from after sequentially passing through elbow protection pipe 24 and protection pipe two, then uses
Protection pipe two is stuck in cable support load 14 by card pipe anchor ear 26, and the downward external part of cable 1 sequentially passes through highway opposite side again
Cable protection steel pipe 1 and basis 2 after extend into the cable duct below ground 30, cable protection steel pipe 2 16 is buckled in
On cable protection steel pipe 1, by the clamping of connecting bolt 18, finally with helping pipe anchor ear 21 by cable protection steel pipe 2 16 and electricity
Cable protection steel pipe 1 is fixed on cable cat ladder 8, that is, completes installation.
Described basic 2 be long 80cm, wide 40cm, high 120cm concrete foundation, is cast in the both sides of highway 29 respectively,
Pre-buried two foundation bolts 3 in each basis；The foundation bolt is diameter 18mm round steel, a diameter of 6mm of lower margin stirrup；
The column 7 is diameter 10cm steel pipes, is highly 6 meters；The base anchor be long 60cm, wide 30cm, thick 5mm iron plate, according to
Foundation bolt size perforate perforating, is welded on column bottom；The connecting plate is long 15cm square iron plate, according to design chi
Very little to be welded with connecting bolt 18, connecting plate 9 is four pieces, is welded in respectively at the top of four columns；The cable protection steel pipe is diameter
200mm steel pipe, two halves being cut into the middle separated time of cable protection steel pipe, wherein half is cable protection steel pipe 1,
Second half is cable protection steel pipe 2 16；Burn-on fixing bolt 17 in the pipe skin center upper and lower ends of cable protection steel pipe one, it is left
Right both ends are welded with connecting screw hole 1；Burn-on fixing bolt 17 in the pipe skin center upper and lower ends of cable protection steel pipe 24, left and right
Both ends are welded with the connecting screw hole two 20 corresponding with connecting screw hole 1；Connecting bolt 18 is through connecting screw hole 1 and connects spiral shell
Hole 2 20 tightens together cable protection steel pipe 1 and cable protection steel pipe 24.The steel pipe tube head plastic cement 1 and steel pipe
Tube head plastic cement 2 12 is a kind of plastic products that sum is stained with cable protection steel pipe 1 and the tube head of cable protection steel pipe 24, plays guarantor
Cable 1 is protected not acted on by tube head card wound.
Claims (7)
- A kind of 1. cable passageway portal structure, it is characterised in that：Comprising crane span structure supporting construction and crane span structure attachment structure, the crane span structure Supporting construction is two, is symmetricly set on highway（29）Both sides, crane span structure attachment structure is arcuate structure, be arranged on crane span structure support The top of structure, both ends are fixed on the upper end of two crane span structure supporting constructions；The crane span structure supporting construction includes basis（2）, foundation bolt（3）, lower margin stirrup（4）, base anchor（5）, column（7）, electricity Cable cat ladder（8）, connecting plate（9）, cable protection steel pipe and help pipe anchor ear（21）, the basis（2）It is cast in ground（30）On, base Plinth（2）It is interior to be provided with foundation bolt（3）, lower margin stirrup（4）Tie up and set foundation bolt（3）On；Column（7）For four, two are one group, Every group arranged in parallel, four columns（7）Bottom be welded on base anchor（5）On, base anchor（5）It is fixed on basis（2） On, column（7）Upper end be provided with connecting plate（9）；Cable cat ladder is several, is vertically fixed between two neighboring column；Electricity Cable protection steel pipe is arranged on four columns（7）Between, bottom is fixed on basis（2）On, cable protection steel pipe includes cable protection Steel pipe one（15）With cable protection steel pipe two（16）, cable protection steel pipe one（15）With cable protection steel pipe two（16）It is semicircle Shape steel pipe, cable protection steel pipe one and the outside of cable protection steel pipe two are welded with fixing bolt（17）, the He of cable protection steel pipe one Cable protection steel pipe two passes through fixing bolt（17）It is arranged on cable cat ladder（8）On；Cable protection steel pipe one and cable protection steel Pipe two passes through connecting bolt（18）It is fastened and fixed；Help pipe anchor ear（21）The outside of cable protection steel pipe is arranged on, by cable protection Steel pipe strap is on cable bearer；The crane span structure attachment structure includes arc bridge stand beam（12）, diagonal brace two（13）, cable support load（14）, elbow protection pipe （24）, protection pipe two（25）With card pipe anchor ear（26）, the arc bridge stand beam（12）For four, four arc bridge stand beams（12）Structure Into the bent frame of cavity, arc bridge stand beam（12）Bottom pass through connecting plate（9）With column（7）Top connection, adjacent two Individual arc bridge stand beam（12）It is provided with several diagonal braces two（13）Carried on a shoulder pole with cable support（14）, protection pipe two（25）It is located at bent frame Cavity in, protection pipe two（25）Pass through card pipe anchor ear（26）It is fastened on cable support load（14）On；Elbow protection pipe（24）For two It is individual, it is symmetricly set on the inside of crane span structure supporting construction and crane span structure attachment structure junction, elbow protection pipe（24）One end and cable Protect fastener for connection, the other end and protection pipe two（25）Connection.
- A kind of 2. cable passageway portal structure according to claim 1, it is characterised in that：The cable protection steel pipe one （15）With cable protection steel pipe two（16）Upper end be equipped with steel pipe tube head plastic cement one（22）, cable protection steel pipe one and cable are protected The lower end of shield steel pipe two is equipped with steel pipe tube head plastic cement two（23）.
- A kind of 3. cable passageway portal structure according to claim 2, it is characterised in that：Also include crossbeam（10）And crossbeam Diagonal brace（11）, crossbeam（10）It is arranged between two crane span structure supporting constructions, passes through connecting plate（9）With positioned at basis（2）Inner side Column（7）It is connected, crossbeam（10）It is provided with several crossbeam diagonal braces（11）.
- A kind of 4. cable passageway portal structure according to claim 1 or 2, it is characterised in that：The base anchor（5）Pass through Anchor nut（6）It is fixed on basis（2）It is upper.
- A kind of 5. cable passageway portal structure according to claim 1 or 2, it is characterised in that：The cable protection steel pipe One left and right sides is equipped with connecting screw hole one（19）, the left and right sides of cable protection steel pipe two is equipped with connecting screw hole two （20）, cable protection steel pipe one and cable protection steel pipe two pass through connecting bolt（18）Through connecting screw hole one and connecting screw hole two It is fastened and fixed.
- A kind of 6. cable passageway portal structure according to claim 1 or 2, it is characterised in that：The connecting plate（9）Pass through Connecting bolt one（27）With arc bridge stand beam（12）Connection, passes through connecting bolt two（28）It is connected with column.
- 7. a kind of installation method of cable passageway portal structure, using the cable passageway portal structure described in claim 3, it is special Sign is following installation steps：The first step, in highway（27）Both sides pre-embedded anchoring bolts（3）, lower margin stirrup is tied with foundation bolt（4）, in foundation bolt （3）Around pour into a mould basis（2）；Second step, take four root posts（7）, two one group, every group be arranged in parallel, four root posts（7）Bottom is welded in base anchor（5） On, four root posts（7）Top burn-on respectively four connecting plates（9）, two neighboring column（7）Between several cables of burn-oning climb Ladder（8）, after welding, column（7）Pass through base anchor（5）It is fixed on the basis of highway side（2）On；3rd step, then take four root posts（7）, two one group, every group be arranged in parallel, four root posts（7）Bottom is welded in base anchor （5）On, four root posts（7）Top burn-on respectively four connecting plates（9）, two neighboring column（7）Between burn-on several electricity Cable cat ladder（8）, by column after welding（7）Pass through base anchor（5）It is fixed on the basis of highway opposite side（2）On；4th step, by several crossbeam diagonal braces（11）It is welded on crossbeam（10）On, crossbeam is then welded with several crossbeam diagonal braces （11）Crossbeam（10）It is lifted on positioned at basis（2）The column of inner side（7）On；5th step, by diagonal brace two（13）Carried on a shoulder pole with cable support（14）It is respectively welded at two neighboring arc bridge stand beam（12）On, then Diagonal brace two will be welded with（13）Carried on a shoulder pole with cable support（14）Arc bridge stand beam（12）It is lifted on the column positioned at both sides of highway（7）On, Arc bridge stand beam（12）Bottom passes through connecting plate（9）With column（7）Top connection；6th step, by fixing bolt（17）It is welded on cable protection steel pipe one（15）With cable protection steel pipe two（16）Outside, Cable protection steel pipe one（15）With cable protection steel pipe two（16）Upper end bonding steel pipe tube head plastic cement one（22）, cable protection steel Guan Yi（15）With cable protection steel pipe two（16）Lower end bonding steel pipe tube head plastic cement two（23）, then by cable protection steel pipe one （15）With cable protection steel pipe two（16）Use fixing bolt（17）Installed in cable cat ladder（8）On；7th step, by cable（1）Be laid in ground（30）In following cable duct, cable（1）Through the basis of highway side（2） With cable protection steel pipe one（15）, it is applied to arc bridge stand beam（12）Cable support load（14）After upper, stretching is continued up, by electricity Cable protection steel pipe two（16）It is buckled in cable protection steel pipe one（15）On, pass through connecting bolt（18）Clamping, then with helping pipe anchor ear （21）By cable protection steel pipe two（16）With cable protection steel pipe one（15）It is fixed on cable cat ladder（8）On；8th step, cable（1）Upward external part sequentially passes through elbow protection pipe（24）Extend downwardly from, then use with after protection pipe two Card pipe anchor ear（26）Protection pipe two is stuck in and carried on a shoulder pole in cable support（14）On, cable（1）Downward external part sequentially passes through highway again The cable protection steel pipe one of opposite side（15）And basis（2）After extend into ground（30）In following cable duct, by cable protection Steel pipe two（16）It is buckled in cable protection steel pipe one（15）On, pass through connecting bolt（18）Clamping, finally with helping pipe anchor ear（21）Will Cable protection steel pipe two（16）With cable protection steel pipe one（15）It is fixed on cable cat ladder（8）On, that is, complete installation.
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| CN201611231425.9A CN106451271B (en) | 2016-12-28 | 2016-12-28 | A kind of cable passageway portal structure and its installation method |
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| CN201611231425.9A CN106451271B (en) | 2016-12-28 | 2016-12-28 | A kind of cable passageway portal structure and its installation method |
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| CN107795749A (en) * | 2017-12-13 | 2018-03-13 | 北京住总集团有限责任公司 | A kind of precast spliced pipe fitting jacking system and its construction method |
| CN108756420A (en) * | 2018-06-14 | 2018-11-06 | 国网安徽省电力有限公司经济技术研究院 | A kind of cable termination with cross over crane span structure integral type tower |
| CN109149488A (en) * | 2018-09-14 | 2019-01-04 | 中铁第四勘察设计院集团有限公司 | A kind of administrative region of a city railway arrangement structure for pipelines and method |
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| TWI279055B (en) * | 2001-11-22 | 2007-04-11 | Sanki Eng Co Ltd | Construction method of information-capable conduit, and construction structure and construction member therefor |
| CN204030412U (en) * | 2014-05-09 | 2014-12-17 | 国网上海市电力公司 | There is engineering stringing crossing frame system in a kind of 500 kv substation 220 kilovolts |
| CN205016930U (en) * | 2015-10-22 | 2016-02-03 | 国网山东省电力公司枣庄供电公司 | Frame is strideed across to inflatable 10kV wire |
| CN105490233B (en) * | 2015-11-26 | 2018-01-26 | 国网河南偃师市供电公司 | A kind of wire highway crossing device |
| CN205646634U (en) * | 2016-05-26 | 2016-10-12 | 国网山东省电力公司阳谷县供电公司 | Device is strideed across with highway to electric wire netting construction |
| CN206283215U (en) * | 2016-12-28 | 2017-06-27 | 国网冀北电力有限公司迁西县供电分公司 | A kind of cable passageway portal structure |
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