CN108166391A - It is electrically isolated monitoring drag-line - Google Patents
It is electrically isolated monitoring drag-line Download PDFInfo
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- CN108166391A CN108166391A CN201810066838.9A CN201810066838A CN108166391A CN 108166391 A CN108166391 A CN 108166391A CN 201810066838 A CN201810066838 A CN 201810066838A CN 108166391 A CN108166391 A CN 108166391A
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- drag
- line
- anchor
- hdpe
- cable body
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The present invention is suitable for drag-line technical field, provides a kind of be electrically isolated and monitors drag-line, including：The anchor head that drag-line cable body and both ends connect respectively, for anchoring high-strength steel tow or steel strand wires, drag-line cable body includes for the anchor head part：The HDPE casings of outside, the connecting cylinder or built-in pipe being connect respectively with the HDPE casings both ends, further include：Internal high-strength steel tow or steel strand wires, the high-strength steel tow or steel strand wires pass through the HDPE casings, and its both ends is separately fixed on anchor slab；The joining place of the connecting cylinder or built-in pipe at the HDPE casings and both ends is cased with heat shrinking sleeve, and electrically insulating material is coated on the inside of the heat shrinking sleeve；Epoxy resin solidification material is filled in the HDPE casings；The monitoring drag-line provided by the invention that is electrically isolated can eliminate influence of the electrochemical corrosion to drag-line cable body, so as to effectively improve the service life of drag-line；And it can effectively monitor the corrosion process in cable body.
Description
Technical field
The invention belongs to drag-line technical fields more particularly to a kind of be electrically isolated to monitor drag-line.
Background technology
Drag-line is cableway platform and the core component of large span architecture structure, and important shadow is played to the safety of structure
It rings.All the time, the etching problem of drag-line is focus of concern.
The main reason for electrochemical corrosion is high tensile steel wire damage inactivation in drag-line, in existing technology, in drag-line
High tensile steel wire anti-corrosion measure it is limited, drag-line is just rotten already when its design service life period has not yet been reached during being on active service
Erosion failure, the drag-line as caused by drag-line corrosion failure is replaced in use or structural demolition problem brings huge economy
Loss.Thus, it is badly in need of developing a kind of Novel bracing cable containing anti-corrosion and corrosion monitoring function simultaneously, it is ensured that its is good durable
Property.
Invention content
The present invention provides a kind of be electrically isolated and monitors drag-line, it is intended to also have anchor head progress to high tensile steel wire in drag-line or steel strand wires
It is effective to be electrically isolated protection, influence of the electrochemical corrosion to drag-line cable body is eliminated, and then effectively improve the service life of drag-line.
Monitoring drag-line is electrically isolated the present invention provides a kind of, the drag-line includes：Drag-line cable body and the drag-line cable body two
The anchor head connected respectively is held, the anchor head includes the tapered anchor cup of inside interlude, the tapered bottom end for being embedded in the anchor cup
The anchor slab of position and the sealing plate mounted on the anchor cup bottom；The drag-line cable body includes：External HDPE casings, with it is described
The connecting cylinder that HDPE casings both ends connect respectively, further includes：Internal high-strength steel tow, the high-strength steel tow pass through described
HDPE casings and the connecting cylinder at both ends, the both ends of the high-strength steel tow are separately fixed on the anchor slab at both ends；
Sealing ring is equipped on the inside of the joining place of the HDPE casings and the connecting cylinder at both ends, heat is cased on the outside of joining place
Set is shunk, electrically insulating material is coated on the inside of the heat shrinking sleeve；It is filled out in the HDPE casings and the connecting cylinder at both ends
Filled with epoxy resin solidification material；
Conducting wire is equipped in the Cable body, one end of the conducting wire connects the high-strength steel tow, and the other end passes through institute
It states anchor slab and the sealing plate and draws, cable protection pipe is cased with outside the conducting wire.
Further, the tapered tip position on the inside of the anchor cup is marked with epoxy adhesive.
Further, positioning plate is equipped on the inside of the connecting cylinder, for being positioned to the high-strength steel tow passed through.
Further, the electrically insulating material is epoxy resin or polyamide.
Further, every high tensile steel wire surface in the high-strength steel tow is coated with zinc or has epoxy coating.
Monitoring drag-line is electrically isolated the present invention also provides a kind of, the drag-line includes：Drag-line cable body and the drag-line cable body
The anchor head that both ends connect respectively, the anchor head include tapered bearing cylinder, anchor plate, extending and the anchor slab of inner lower edge, institute
Anchor plate to be stated to be fixed on the outside of the bearing cylinder, one end of the extending is embedded in the tapered tip position of the bearing cylinder,
The anchor slab is mounted on the bearing cylinder bottom end；The drag-line cable body includes：External HDPE casings, two be respectively fitted over it is described
The built-in pipe at HDPE casings both ends, further includes：Several internal steel strand wires, the steel strand wires pass through the HDPE casings, institute
The both ends for stating steel strand wires are separately fixed on the anchor slab at both ends, and the every steel strand wires are cased with one layer of PE casing；
Described built-in pipe one end is connect with the anchor plate, and heat is cased on the outside of the other end and the joining place of the HDPE casings
Set is shunk, electrically insulating material is coated on the inside of the heat shrinking sleeve；The HDPE casings, the bearing cylinder and the extending
It is interior to be filled with epoxy resin solidification material, it is marked with anti-corrosion grease in the built-in pipe；
Conducting wire is equipped in the Cable body, one end of the conducting wire connects the steel strand wires, and the other end passes through the anchor
Plate is simultaneously drawn, and cable protection pipe is cased with outside the conducting wire.
Further, the high tensile steel wire that the every steel strand wires are twisted together by several is made, the every high-strength steel
Silk table face is coated with zinc or has epoxy coating.
Further, the drag-line further includes sealing device, described sealing device one end and the other end of the extending
Connection, the other end and the HDPE casing connections, the sealing device is interior to be filled with epoxy resin or polyamide.
Further, locator is equipped on the inside of the extending, for being positioned to the steel strand wires passed through；
Protective cover is cased with outside the anchor head, the protective cover is the interior plastic safety cover for being marked with anti-corrosion grease.
Further, the electrically insulating material is epoxy resin or polyamide.
Compared with prior art, the present invention advantageous effect is：A kind of be electrically isolated provided by the invention monitors drag-line, high-strength
HDPE casings, and sealing material of the injection with electrical insulation capability in HDPE pipes are all cased with outside steel tendon or steel strand wires, it can
Electric isolution protection is effectively performed；Since high-strength steel tow in drag-line or steel strand wires and external structure are hermetically sealed sliders
System protects so as to carry out effective be electrically isolated to high tensile steel wire in drag-line or steel strand wires, greatly ensure that electric isolution is exhausted
The reliability of edge improves the service life period of drag-line, and drag-line is caused to have stronger anti-corrosion, insulation performance, is conducive to
Improve the endurance quality of drag-line；In addition, the monitoring drag-line provided by the invention that is electrically isolated is by the way that high-strength steel tow or steel strand wires are drawn
The test lead that the conducting wire gone out is connected to LCR digital electric bridge testers is high-end, and the conducting wire that reference electrode is drawn is connected to LCR number electricity
The test lead low side of bridge tester is monitored the impedance of high-strength steel tow or steel strand wires；By the way that high tensile steel wire or steel are twisted
The data collection terminal mouth that the conducting wire that the conducting wire and reference electrode that line is drawn are drawn is connected to potential data Acquisition Instrument is come to high-strength steel
The current potential of silk or steel strand wires is monitored, and then can effectively monitor the corruption in cable body according to its impedance and the variation of potential value
Erosion process.
Description of the drawings
Fig. 1-1 is a kind of structure diagram for being electrically isolated monitoring drag-line provided in an embodiment of the present invention；
Fig. 1-2 is the structure diagram of the anchor head part of the drag-line shown in Fig. 1-1；
Fig. 1-3 is the schematic diagram of the HDPE casings cross section of the drag-line shown in Fig. 1-1；
Fig. 1-4 is the schematic diagram provided in an embodiment of the present invention that high tensile steel wire impedance is surveyed using LCR digital electric bridges tester；
Fig. 2-1 is another structure diagram for being electrically isolated monitoring drag-line provided in an embodiment of the present invention；
Fig. 2-2 is the schematic diagram of the HDPE casings cross section of the drag-line shown in Fig. 2-1；
Fig. 2-3 is the cross-sectional view of the single steel strand in the HDPE casings of the drag-line shown in Fig. 2-1.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As Figure 1-1, monitoring drag-line is electrically isolated the present invention provides a kind of, the inside of the drag-line is high-strength steel tow
Stayed structure, the drag-line by function divide if include anchoring section, changeover portion and free segment, wherein, anchoring section corresponds to anchor
Head point, changeover portion are correspondingly connected with canister portion point, and free segment corresponds to HDPE sleeve portions；Specifically, the drag-line includes：Cable
The anchor head 12 that body 11 and 11 both ends of drag-line cable body connect respectively, wherein, with reference to shown in Fig. 1-2, the anchor head 12 includes interior
The tapered anchor cup 1201 of side interlude, be embedded in the anchor cup 1201 tapered bottom end position anchor slab 1202, wire sub-panel
1203 and the sealing plate 1204 mounted on 1201 bottom end of anchor cup, corrosion resistant epoxy iron sand, which is marked with, in the anchor cup 1201 matches
Square stock, the wire sub-panel 1203 are located at 1201 inside of anchor cup and are bonded with anchor slab 1202, have threaded hole of steel in the wire sub-panel 1203,
For carrying out sub-wire, in order to which the high tensile steel wire after sub-wire is fixed on anchor slab 1202, the sealing plate to high-strength steel tow
1204, for completely cutting off extraneous steam, prevent steam from entering in anchor cup 1201；The anchor head 12 further includes anchor plate 1205 and spiral shell
Mother 1206, the anchor plate 1205 and nut 1206 are fixed on 1201 outside of anchor cup, when the drag-line is come into operation,
The anchor plate 1205 is to be fitted in armored concrete outer surface, and the nut 1206 is used to fasten the anchor plate 1205；Institute
The tapered tip position for stating 1201 inside of anchor cup is marked with epoxy adhesive 1207, connects for preventing the steam in anchor cup 1201 from invading
In connect cylinder 1102, ensure the reliability that internal high tensile steel wire is electrically isolated.
The drag-line cable body 11 includes：The HDPE casings 1101 of outside are connect respectively with 1101 both ends of HDPE casings
Connecting cylinder 1102, further include：Internal high-strength steel tow 1103, the high-strength steel tow 1103 pass through the HDPE casings
1101 and the connecting cylinder 1102 at both ends, 1102 inside of connecting cylinder is equipped with positioning plate 1104, for described in passing through
High-strength steel tow 1103 positions；The both ends of the high-strength steel tow 1103 are separately fixed on the anchor slab 1202 at both ends.It needs
It is noted that the connecting cylinder 1102 is fixedly connected with the anchor cup 1201, specifically the connecting cylinder 1102 with it is described
The tapered tip position fitting of anchor cup 1201.On the inside of the joining place of the HDPE casings 1101 and the connecting cylinder 1102 at both ends
Equipped with sealing ring 1105, heat shrinking sleeve 1106 is cased on the outside of joining place, and electricity is coated with absolutely in the inside of the heat shrinking sleeve 1106
Edge material 1107 carries out good sealing；It should be noted that the electrically insulating material 1107 provided in an embodiment of the present invention
For epoxy resin or polyamide；Epoxy resin solidification material 1108 is marked in the HDPE casings 1101, for by HDPE
Casing 1101 and the high-strength steel tow 1103 are consolidated, and epoxy resin paracoagulation is also marked in the connecting cylinder 1102
Material 1108 for the high-strength steel tow 1103 and the connecting cylinder 1102 to be consolidated, completely cuts off extraneous steam, is formed
Good electrical insulation system.
Specifically, Fig. 1-3 show the cross-sectional view of the HDPE casings 1101 in the drag-line, wherein, the high-strength steel
Tow 1103 is to be bound round high-strength steel tow 1103 together using parrel 1109, and the high-strength steel tow 1103 includes several
High tensile steel wire, the surface of the every high tensile steel wire are coated with zinc or have epoxy coating 1110；1103 quilt cover of high-strength steel tow
In the HDPE casings 1101, and epoxy resin solidification material 1108 is marked in the HDPE casings 1101.
In order to monitor the electric isolution situation of high tensile steel wire in cable body, and then its corrosion condition is controlled, the present invention exists
Conducting wire 1111 is equipped in the Cable body, one end of the conducting wire 1111 connects the high-strength steel tow 1103, and the other end is worn
It crosses the anchor slab 1202 and the sealing plate 1204 and draws, cable protection pipe 1112, the electricity are cased with outside the conducting wire 1111
Cable protection pipe 1112 can protect the conducting wire 1111, and the damage of conducting wire 1111 is avoided to interrupt；It is in addition, attached in the anchor head 12
It is embedding near reinforced beam to have reference electrode 3；As shown in Figs 1-4, the conducting wire 1111 of extraction and the ginseng are utilized
It is connect respectively with 4 two end of LCR digital electric bridges tester than electrode 3, for hindering the high tensile steel wire in drag-line during service
It is anti-to be monitored, according to the corrosion process in the variation of its resistance value effectively monitoring cable body.Other than being measured to impedance, moreover it is possible to
The current potential of high tensile steel wire is monitored or current potential monitors simultaneously with resistance value；Specifically, it is led by draw high tensile steel wire
The data collection terminal mouth that the conducting wire that line 1111 and reference electrode 3 are drawn is connected to potential data Acquisition Instrument carrys out electricity to high tensile steel wire
Position is monitored, and then can effectively monitor the corrosion process in cable body according to the variation of its potential value.
A kind of inside provided by the invention is the stayed structure of high-strength steel tow, and corrosion resistant epoxy iron is marked in anchor cup
Sand formulation material with sealing corrosion and can enhance the anchoring of high tensile steel wire；High-strength steel tow housing has HDPE casings and company
Connect cylinder, and epoxy resin solidification material is marked in HDPE casings and connecting cylinder, for by HDPE casings, connecting cylinder and high-strength
Steel tendon is consolidated, and completely cuts off extraneous steam, forms good electrical insulation system, is conducive to improve the endurance quality of drag-line；
Sealing ring is equipped on the inside of the joining place of HDPE casings and connecting cylinder, it is anti-to be sealed to be cased with heat shrinking sleeve on the outside of joining place
Corruption is coated with electrically insulating material to enhance safeguard function on the inside of the heat shrinking sleeve, forms good sealed environment；Also,
There is one layer of sealing plate to be protected outside anchor head；High tensile steel wire and anchor head and external structure in drag-line are hermetically sealed sliders
System greatly ensure that the reliability for being electrically isolated insulation, improve the corrosion resistance of drag-line and service life period；It meanwhile can
To monitor the corrosion conditions such as the impedance of high tensile steel wire and current potential in cable body.
As shown in Fig. 2-1, monitoring drag-line is electrically isolated the present invention also provides a kind of, the inside of the drag-line is steel strand wires
Stayed structure, the drag-line are divided by function anchoring section, changeover portion and free segment, wherein, anchoring section corresponds to anchor head part, mistake
It crosses section and corresponds to pre-buried tube portion, free segment corresponds to HDPE sleeve portions；Specifically, the drag-line includes：Drag-line cable body 21 and institute
The anchor head 22 that 21 both ends of drag-line cable body connect respectively is stated, the anchor head 22 includes the tapered bearing cylinder 2201 of inner lower edge, anchor
Backing plate 2202, extending 2203 and anchor slab 2204, the anchor plate 2202 are fixed on 2201 outside of bearing cylinder, the extension
One end of cylinder 2203 is embedded in the tapered tip position of the bearing cylinder 2201, and the anchor slab 2204 is mounted on the bearing cylinder
2201 bottom ends；2203 inside of extending is equipped with locator 2210, for being positioned to the steel strand wires 2205 passed through；It is described
Anchor head 22 further includes anchor plate 2202 and nut 2207, and the anchor plate 2202 and nut 2207 are fixed on the bearing cylinder 2201
Outside, when the drag-line is come into operation, the anchor plate 2202 is to be fitted in armored concrete outer surface, the nut
2207 are used to fasten the anchor plate 2202.Protective cover 2208 is cased with outside the anchor head 22, the protective cover 2208 is marked with to be interior
The plastic safety cover of anti-corrosion grease.
The drag-line cable body includes：External HDPE casings 2101, two are respectively fitted over 2101 both ends of HDPE casings
Built-in pipe 2102, further include：Several internal steel strand wires 2205, the steel strand wires 2205 pass through the HDPE casings
2101, the both ends of the steel strand wires 2205 are separately fixed on the anchor slab 2204 at both ends (blocks steel to twist by intermediate plate 2206
Line 2205 is anchored on anchor slab 2204), the every steel strand wires 2205 are cased with one layer of PE casing 2103, good to be formed to steel strand wires
Good protection.Described 2102 one end of built-in pipe is connect with the anchor plate 2202, the rank of the other end and the HDPE casings 2101
Heat shrinking sleeve 2104 is cased on the outside of the place of connecing, to be sealed anti-corrosion, electrical isolation material is coated in the inside of the heat shrinking sleeve 2104
2105 are expected to enhance safeguard function, and the electrically insulating material 2105 provided in an embodiment of the present invention is epoxy resin or polyamide；
Epoxy resin solidification material is filled in the HDPE casings 2101, the bearing cylinder 2201 and the extending 2203
2209, anti-corrosion grease 2106 is marked in the built-in pipe 2102.
The drag-line further includes sealing device 2211, and described 2211 one end of sealing device is another with the extending 2203
End connection, the other end are connect with the HDPE casings 2101, and epoxy resin or polyamide are filled in the sealing device 2211；
Cylinder 2201 will be supported by the sealing device 2211 in anchoring section and extending 2203 seals, and in bearing cylinder 2201 and extended
Epoxy resin solidification material 2209 or other sealing materials with electrical insulation capability are marked in cylinder 2203.
Specifically, Fig. 2-2 show the cross-sectional view of the HDPE casings 2101 in the drag-line, several steel strand wires
2205 are enclosed in the HDPE casings 2101, and are marked with epoxy resin solidification material in the HDPE casings 2101
2209, HDPE casings 2101 and each steel strand wires 2205 are consolidated, form good electrical insulation system.
With reference to shown in Fig. 2-3, PE casings 2103 are cased with outside the single steel strand wires, and be marked in PE casings 2103
Grease or paraffin 2213 the purpose for the arrangement is that in order to reduce the friction of PE casings 2103 and steel strand wires, are prevented between them
Frictional force causes PE casings 2103 to destroy；The high tensile steel wire that the single steel strand wires 2205 are twisted together by several is made, often
High tensile steel wire surface described in root is coated with zinc or has epoxy coating, and in inventive embodiments, the single steel strand wires 2205 include 7
Twist high tensile steel wire together.
In order to monitor the electric isolution situation of steel strand wires in cable body, and then its corrosion condition is controlled, the present invention is in institute
It states and conducting wire 2212 is equipped in Cable body, one end of the conducting wire 2212 connects the steel strand wires 2205, and the other end passes through described
Anchor slab 2204 and the protective cover 2208 are simultaneously drawn, and cable protection pipe (not shown) is cased with outside the conducting wire 2212；In addition,
It is embedding in the reinforced beam near the anchor head 22 to have reference electrode 3；Utilize the conducting wire 2212 of extraction and described
Reference electrode 3 is connect respectively with 4 two end of LCR digital electric bridges tester, for hindering the steel strand wires in drag-line during service
It is anti-to measure, according to the corrosion process in the variation of its resistance value effectively monitoring cable body；Other than being measured to impedance, moreover it is possible to
The current potential of steel strand wires is monitored or current potential monitors simultaneously with resistance value.Specifically, it is led by draw steel strand wires 2205
The data collection terminal mouth that the conducting wire that line 2212 and reference electrode 3 are drawn is connected to potential data Acquisition Instrument is come to steel strand wires 2205
Current potential is monitored, and then can effectively monitor the corrosion process in cable body according to the variation of its potential value.
A kind of inside provided by the invention is the stayed structure of steel strand wires, and every steel strand wires are cased with one layer of PE casing, several
HDPE casings are cased with described in root outside steel strand wires, and filled with epoxy resin solidification material in HDPE casings, for inciting somebody to action
HDPE casings and steel strand wires are consolidated, and completely cut off extraneous steam, form good electrical insulation system, are conducive to improve drag-line
Endurance quality；And it supports and epoxy resin solidification material is also filled in cylinder and extending, anti-corrosion grease is marked in built-in pipe
To improve the anti-corrosion of drag-line, insulation performance；It is close to carry out that heat shrinking sleeve is cased on the outside of joining place of the built-in pipe with HDPE casings
Anti-corrosion is sealed, electrically insulating material is coated on the inside of heat shrinking sleeve to enhance safeguard function, forms good sealed environment；In drag-line
Steel strand wires and anchor head and external structure be hermetically sealed isolated system, greatly ensure that the reliability for being electrically isolated insulation, carry
The high corrosion resistance of drag-line and service life period.Meanwhile it is rotten to monitor the impedance of steel strand wires and current potential etc. in cable body
Erosion situation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of be electrically isolated monitoring drag-line, which is characterized in that the drag-line includes：Drag-line cable body and the drag-line cable body both ends point
The anchor head not connected, the anchor head include the tapered anchor cup of inside interlude, the tapered bottom end position for being embedded in the anchor cup
Anchor slab and the sealing plate mounted on the anchor cup bottom；The drag-line cable body includes：External HDPE casings and the HDPE
The connecting cylinder that casing both ends connect respectively, further includes：Internal high-strength steel tow, the high-strength steel tow are covered across the HDPE
Pipe and the connecting cylinder at both ends, the both ends of the high-strength steel tow are separately fixed on the anchor slab at both ends；
Sealing ring is equipped on the inside of the joining place of the HDPE casings and the connecting cylinder at both ends, is cased with being heat-shrinked on the outside of joining place
Set, electrically insulating material is coated on the inside of the heat shrinking sleeve；It is filled in the HDPE casings and the connecting cylinder at both ends
Epoxy resin solidification material；
Conducting wire is equipped in the Cable body, one end of the conducting wire connects the high-strength steel tow, and the other end passes through the anchor
Plate and the sealing plate are simultaneously drawn, and cable protection pipe is cased with outside the conducting wire.
2. as described in claim 1 be electrically isolated monitoring drag-line, which is characterized in that the tapered tip position note on the inside of the anchor cup
There is epoxy adhesive.
3. as claimed in claim 1 or 2 be electrically isolated monitoring drag-line, which is characterized in that positioning plate is equipped on the inside of the connecting cylinder,
For being positioned to the high-strength steel tow passed through.
4. as described in claim 1 be electrically isolated monitoring drag-line, which is characterized in that the electrically insulating material is epoxy resin or gathers
Amide.
5. as described in claim 1 be electrically isolated monitoring drag-line, which is characterized in that every high-strength steel in the high-strength steel tow
Silk table face is coated with zinc or has epoxy coating.
6. a kind of be electrically isolated monitoring drag-line, which is characterized in that the drag-line includes：Drag-line cable body and the drag-line cable body both ends point
The anchor head not connected, the anchor head include tapered bearing cylinder, anchor plate, extending and the anchor slab of inner lower edge, the anchor pad
Plate is fixed on the outside of the bearing cylinder, and one end of the extending is embedded in the tapered tip position of the bearing cylinder, the anchor
Plate is mounted on the bearing cylinder bottom end；The drag-line cable body includes：External HDPE casings, two be respectively fitted over the HDPE sets
The built-in pipe at pipe both ends, further includes：Several internal steel strand wires, the steel strand wires pass through the HDPE casings, and the steel twists
The both ends of line are separately fixed on the anchor slab at both ends, and the every steel strand wires are cased with one layer of PE casing；
Described built-in pipe one end is connect with the anchor plate, is cased with being heat-shrinked on the outside of the other end and the joining place of the HDPE casings
Set, electrically insulating material is coated on the inside of the heat shrinking sleeve；It is filled out in the HDPE casings, the bearing cylinder and the extending
Filled with epoxy resin solidification material, anti-corrosion grease is marked in the built-in pipe；
Conducting wire is equipped in the Cable body, one end of the conducting wire connects the steel strand wires, and the other end passes through the anchor slab simultaneously
It draws, cable protection pipe is cased with outside the conducting wire.
7. as claimed in claim 6 be electrically isolated monitoring drag-line, which is characterized in that the every steel strand wires are twisted by several one
The high tensile steel wire risen is made, and the every high tensile steel wire surface is coated with zinc or has epoxy coating.
8. electric isolution monitoring drag-line as claimed in claims 6 or 7, which is characterized in that the drag-line further includes sealing device, institute
The other end that sealing device one end is stated with the extending is connect, the other end and the HDPE casing connections, the sealing device
It is interior to be filled with epoxy resin or polyamide.
9. as claimed in claim 6 be electrically isolated monitoring drag-line, which is characterized in that locator is equipped on the inside of the extending, is used
It is positioned in the steel strand wires passed through；
Protective cover is cased with outside the anchor head, the protective cover is the interior plastic safety cover for being marked with anti-corrosion grease.
10. as claimed in claim 6 be electrically isolated monitoring drag-line, which is characterized in that the electrically insulating material for epoxy resin or
Polyamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066838.9A CN108166391A (en) | 2018-01-24 | 2018-01-24 | It is electrically isolated monitoring drag-line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066838.9A CN108166391A (en) | 2018-01-24 | 2018-01-24 | It is electrically isolated monitoring drag-line |
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| CN108166391A true CN108166391A (en) | 2018-06-15 |
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| CN201810066838.9A Pending CN108166391A (en) | 2018-01-24 | 2018-01-24 | It is electrically isolated monitoring drag-line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736207A (en) * | 2019-01-28 | 2019-05-10 | 秭归县交通运输局 | Intelligent temperature compensates suspension cable insulation system |
| US11028587B2 (en) * | 2017-08-25 | 2021-06-08 | Sumitomo Electric Industries, Ltd. | Concrete structure body and manufacturing method thereof |
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| CN201620356U (en) * | 2010-03-17 | 2010-11-03 | 重庆万桥交通科技发展有限公司 | Inhaul cable end multi-layer decompression no-filling dynamic seal structure |
| CN107587427A (en) * | 2017-08-23 | 2018-01-16 | 柳州欧维姆机械股份有限公司 | A kind of conveniently drag-line of detection internal corrosion environment and cable body corrosion condition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11028587B2 (en) * | 2017-08-25 | 2021-06-08 | Sumitomo Electric Industries, Ltd. | Concrete structure body and manufacturing method thereof |
| CN109736207A (en) * | 2019-01-28 | 2019-05-10 | 秭归县交通运输局 | Intelligent temperature compensates suspension cable insulation system |
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