CN108521098A - A kind of vertical large-diameter cable removes device and its construction method simultaneously - Google Patents

A kind of vertical large-diameter cable removes device and its construction method simultaneously Download PDF

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Publication number
CN108521098A
CN108521098A CN201810443082.5A CN201810443082A CN108521098A CN 108521098 A CN108521098 A CN 108521098A CN 201810443082 A CN201810443082 A CN 201810443082A CN 108521098 A CN108521098 A CN 108521098A
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CN
China
Prior art keywords
cable
drag
line
well head
strain relief
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810443082.5A
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Chinese (zh)
Inventor
张鲁鲁
余峰
李洪斌
程为书
纪辉
罗会华
王传勇
林勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MECHANICAL AND ELECTRICAL INSTALLATION ENGINEERING Co Ltd OF CHINA COAL NO3 CONSTRUCTION (GROUP) Corp Ltd
China Coal No 3 Construction Group Co Ltd
Original Assignee
MECHANICAL AND ELECTRICAL INSTALLATION ENGINEERING Co Ltd OF CHINA COAL NO3 CONSTRUCTION (GROUP) Corp Ltd
China Coal No 3 Construction Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MECHANICAL AND ELECTRICAL INSTALLATION ENGINEERING Co Ltd OF CHINA COAL NO3 CONSTRUCTION (GROUP) Corp Ltd, China Coal No 3 Construction Group Co Ltd filed Critical MECHANICAL AND ELECTRICAL INSTALLATION ENGINEERING Co Ltd OF CHINA COAL NO3 CONSTRUCTION (GROUP) Corp Ltd
Priority to CN201810443082.5A priority Critical patent/CN108521098A/en
Publication of CN108521098A publication Critical patent/CN108521098A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines

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  • Earth Drilling (AREA)

Abstract

A kind of vertical large-diameter cable removes device and its construction method simultaneously, wherein it includes well head stock, cable lifting device, operating platform, cable fixture and take-up to remove device;Well head stock branch is located above well head;Cable lifting device includes the first drag-line and sinking winch;First drag-line one end is connect with sinking winch, and the first drag-line other end stretches into around well head set top of the trellis in vertical;Operating platform is hung by the second drag-line and is located in vertical;Cable fixture includes one group of strain relief clamp;Each strain relief clamp includes two strain relief clamp plate units and connector, and one group of vertical card slot is equipped at intervals in the plate face of strain relief clamp plate unit;Two strain relief clamp plate units are vertically provided at the both sides of cable to be removed and the first drag-line, and two strain relief clamp plate units are correspondingly connected with by connector;The present invention solves the technical issues of protective layer that is time-consuming and being easily damaged cable when traditional construction method is low by root dismounting cable construction efficiency, processing electric cable rotary twists strength.

Description

A kind of vertical large-diameter cable removes device and its construction method simultaneously
Technical field
The present invention relates to a kind of vertical large-diameter cables to remove device and its construction method simultaneously.
Background technology
In the shaft of vertical well of coal mine and non-coal mine, cable is the carrier to delivered downhole power.Relevant regulation is wanted The non-flame resistant cable for asking Central Plains mine cylinder to use, it is necessary to be changed to flame retardant cable.Traditional unit in charge of construction all takes removes by root Method the problems such as dead weight due to steel wire rope and cable, be susceptible to rotation when removing shaft cable(Especially major diameter Armouring power cable);And operating personnel are typically directly inserted into crowbar and are twisted at strength when strength is twisted in this rotation of processing, Strength is twisted in negative direction rotation, is by force separated cable and steel wire rope, the time-consuming not science of this method, and dangerous, is easily damaged The protective layer of bad cable does not all handle also, finally takes employment that cable is blocked or scattered by force, required sky for a long time sometimes Between it is huge.
Invention content
The object of the present invention is to provide a kind of vertical large-diameter cables to remove device and its construction method simultaneously, to solve to pass The construction method of system is low by root dismounting cable construction efficiency, handles time-consuming when electric cable rotary twists strength and is easily damaged cable Protective layer the technical issues of.
To achieve the above object, the present invention adopts the following technical scheme that.
A kind of vertical large-diameter cable removes device simultaneously, to be removed while at least two cables;The dismounting device Include well head stock, cable lifting device, operating platform, cable fixture and take-up;The well head stock installs Above well head;
The cable lifting device includes the first drag-line and sinking winch;The sinking winch is fixed on the ground of well head side On;Wherein one end of first drag-line is connect with sinking winch, and the other end of the first drag-line bypasses to be stretched at the top of well head stock Enter in vertical;
The operating platform is hung by the second drag-line and is located in vertical, and vertically liftable;
Cable to be removed to be fixedly connected with the first drag-line, which includes the cable fixture Strain relief clamp;The strain relief clamp has one group, is arranged along cable separation to be removed;Wherein, each strain relief clamp includes that there are two electricity Cable snap-gauge unit and connector are equipped at intervals with one group of vertical card slot in the plate face of strain relief clamp plate unit;Two cable snap-gauges Unit is vertically provided at the both sides of cable to be removed and the first drag-line respectively, and one group of card slot on strain relief clamp plate unit will be electric Cable and the first drag-line correspond to the outside of clip wherein;Two strain relief clamp plate units are correspondingly connected with by the connector;
The take-up is arranged on the ground on the outside of well head, to recycle the cable removed.
Preferably, the well head stock is set up in a ring along the edge of well head;It is fixed with water at the top of well head stock Flat support.
Preferably, the cable lifting device further includes having drag-line directive wheel and lower rope sheave;The drag-line directive wheel is under Rope sheave be separately fixed at well head set top of the trellis it is horizontally-supported on, and drag-line directive wheel is located at close to well head edge side, under Rope sheave is located at close to well head center side;The other end of first drag-line stretches into around drag-line directive wheel and lower rope sheave vertical successively In well.
Preferably, motor and holder are additionally provided on the ground on the outside of well head;One end of second drag-line connects with motor It connects, the other end of the second drag-line connect around the fixed pulley on holder with operating platform.
Preferably, the take-up includes cable directive wheel and cable roller;The cable directive wheel is arranged in well At mouth position, and the quantity of cable directive wheel is identical as number of cables to be removed;The cable roller is fixed on outer wellhead On the ground of side, and cable roller arrangement corresponding with cable directive wheel.
A kind of vertical large-diameter cable removes the construction method of device simultaneously, including steps are as follows.
Step 1 arranges sinking winch and fixation on the ground of well head side, makes sinking winch rotation direction alignment the The lower rope point direction of one drag-line.
Step 2:The first drag-line is selected, and is connect with sinking winch.
Step 3:It is horizontally-supported in the top layout two of well head stock;Two horizontally-supported along the radial parallel of well head Arranged for interval.
Step 4:In the horizontally-supported upper installation drag-line directive wheel close to well head edge side, and in well head Rope sheave under the horizontally-supported upper installation of heart side.
Step 5:The first drag-line being connect with sinking winch is tided over into drag-line directive wheel and lower rope sheave successively, and always under It is put into vertical.
Step 6:It dismantles connection between cable and the borehole wall to be removed and cable to be removed and cable to be removed Between connection, and the cable of dismounting is temporarily fixed on the first drag-line using strain relief clamp.
Step 7:Well head in vertical arranges cable directive wheel at the lower rope point position close to the first drag-line, and in well On ground on the outside of mouthful, fix cable roller.
Step 8:Start sinking winch and the cable of dismounting is promoted to well head.
Step 9:The strain relief clamp between cable and the first drag-line is removed, and the upper end of cable is made to be led rotating around upper cable To wheel, cable is recycled using cable roller.
Preferably, the basis of sinking winch type selecting is the weight of the first drag-line, cable weight to be removed, electricity in step 1 Cable card weight and safety coefficient;
The selection gist of the first drag-line is the weight of cable to be removed, the weight of the first drag-line, strain relief clamp weight in step 2 And safety coefficient.
Preferably, the first drag-line is transferred in vertical in step 5, until the lower end of the first drag-line is located at electricity to be removed Below the lower end of cable at position until.
Preferably, dismantle in step 6 connection between the cable and the borehole wall of dismounting and cable to be removed with it is to be removed Cable between the specific method of connection be:It first removes from top to bottom, and side is removed, while the cable position electricity consumption that will have been torn open Cable card is fixed temporarily with the first drag-line;Setting spacing of the strain relief clamp between every cable and the first drag-line is no more than 20m.
Compared with prior art the invention has the characteristics that and advantageous effect.
1, dismounting device of the invention is used cooperatively using the first drag-line and strain relief clamp, wherein each strain relief clamp of strain relief clamp One group of vertical card slot is equipped at intervals in the plate face of plate unit;Two strain relief clamp plate units are vertically provided at electricity to be removed respectively The both sides of cable and the first drag-line, to which cable to be fixed on the first drag-line, using the dismounting device high construction efficiency, convenient, solution When conventional construction method of having determined removes cable by root the technical issues of low construction efficiency.
2, take-up is arranged in dismounting device of the invention on the ground on the outside of well head, and cable is led in take-up Quantity to wheel is identical as number of cables to be removed, and the cable after dismounting is drawn upper ground surface respectively using cable directive wheel, is kept away Exempt to rotate in cable demolishing process, processing electric cable rotary twists protective layer that is time-consuming and being easily damaged cable when strength The technical issues of.
3, dismounting device of the invention once removes multi-cable, reduces worker's activity duration in vertical, correspondingly pacifies All risk insurance barrier also promoted it is larger, more adapt to existing actual conditions vertical cable remove the technical issues of.
4, construction method of the invention can remove multi-cable simultaneously, and can only once be removed by overcoming conventional method by one Cable abolishes the disadvantage of stubborn strength difficulty, and the construction method once recycles more vertical cables, and work efficiency greatly promotes.
Description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the state diagram of the present invention removed when device removes cable.
When Fig. 2 is the dismounting device construction of the present invention, structural schematic diagram that strain relief clamp is arranged on cable.
Fig. 3 is the structural schematic diagram for removing cable directive wheel and cable roller arrangement in device of the present invention.
Fig. 4 is the dismounting device strain relief clamp of the present invention by the horizontal section schematic diagram of cable and the first drag-line connection structure.
Fig. 5 is the horizontal section structural schematic diagram of the strain relief clamp plate unit of the present invention.
Fig. 6 is the positive structure schematic of the strain relief clamp plate unit of the present invention.
Reference numeral:1- card slots, 2- cables, the first drag-lines of 3-, 4- strain relief clamps, 4.1- strain relief clamps plate unit, 4.2- connectors, 5- cables roller, 6- cables directive wheel, the 7- boreholes wall, 8- sinking winch, 9- drag-lines directive wheel, 10- Lower rope sheave, 11- operating platforms, 12- be horizontally-supported, 13- well heads stock, the second drag-lines of 14-, 15- motors, 16- holders, 17- fixed pulleys, 18- perforation, 19- embedded parts.
Specific implementation mode
As shown in figures 1 to 6, this vertical large-diameter cable removes device simultaneously, to be torn open while at least two cable 2 It removes;The dismounting device includes well head stock 13, cable lifting device, operating platform 11, cable fixture and take-up; The well head stock 13 is located above well head;
The cable lifting device includes the first drag-line 3 and sinking winch 8;The sinking winch 8 is fixed on well head side On ground;Wherein one end of first drag-line 3 is connect with sinking winch 8, and the other end of the first drag-line 3 bypasses well head stock 13 Top stretch into vertical;
The operating platform 11 is hung by the second drag-line 14 and is located in vertical, and vertically liftable;
Cable 2 to be removed to be fixedly connected with the first drag-line 3, which includes the cable fixture There is strain relief clamp 4;The strain relief clamp 4 has one group, along 2 arranged for interval of cable to be removed;Wherein, each strain relief clamp 4 includes Two strain relief clamp plate units 4.1 and connector 4.2 are equipped at intervals with one group of vertical card in the plate face of strain relief clamp plate unit 4.1 Slot 1;Two strain relief clamp plate units 4.1 are vertically provided at the both sides of cable 2 to be removed and the first drag-line 3, and strain relief clamp respectively Cable 2 and the first drag-line 3 are corresponded to the outside of clip wherein by one group of card slot 1 on plate unit 4.1;The connector 4.2 will Two strain relief clamp plate units 4.1 are correspondingly connected with;
The take-up is arranged on the ground on the outside of well head, to recycle the cable 2 removed.
In the present embodiment, the well head stock 13 is set up in a ring along the edge of well head, and the height of the well head stock 13 Degree is determined according to mine hoisting ability and the height of designing institute's planned well muzzle frame;It is fixed with level at the top of well head stock 13 Support 12.
In the present embodiment, while cable 2 to be removed has two, and the first drag-line 3 has one, be arranged in two cables 2 it Between;The quantity of the card slot 1 is equal to the sum of the quantity of the quantity and the first drag-line 3 of cable 2 to be removed.
Certainly in other embodiments, if cable 2 to be removed simultaneously is more than two, cable 2 is evenly distributed in the first drawing The both sides of rope 3;It is arranged among multi-cable 2, the quantity of 1 quantity of card slot on the strain relief clamp 4 and cable 2, the first drag-line 3 The sum of be adapted.
In the present embodiment, the strain relief clamp plate unit 4.1 is made of rectangular slab, the card slot 1 on strain relief clamp plate unit 4.1 by The plate face of rectangular slab is recessed to be formed to side;On position between adjacent card slot 1, vertically be spaced apart be equipped with perforation 18;Institute It is split bolt to state connector 4.2, which is threaded through on two strain relief clamp plate units 4.1 in corresponding perforation 18, from And two strain relief clamp plate units 4.1 are detachably connected.
In the present embodiment, the cable lifting device further includes having drag-line directive wheel 9 and lower rope sheave 10;The drag-line is oriented to Wheel 9 and lower rope sheave 10 are separately fixed on horizontally-supported the 12 of 13 top of well head stock, and drag-line directive wheel 9 is located at close to well Mouth edge side, lower rope sheave 10 are located at close to well head center side;The other end of first drag-line 3 bypasses drag-line and is oriented to successively Wheel 9 and lower rope sheave 10 stretch into vertical, and the lower end of the first drag-line 3 is located at the position of the lower end of cable 2 to be removed or less.
In the present embodiment, described horizontally-supported 12 are made of shaped steel.
In the present embodiment, motor 15 and holder 16 are additionally provided on the ground on the outside of well head;The one of second drag-line 14 End is connect with motor 15, and the other end of the second drag-line 14 connect around the fixed pulley 17 on holder 16 with operating platform 11.
In the present embodiment, the holder 16 is inclined on the ground on the outside of well head, and the lower end of wherein holder 16 passes through Embedded part 19 fixes on the ground, and the upper end of holder 16 is tilted to well head center position;The fixed pulley 17 is connected to holder 16 At top, close upper end position.
In the present embodiment, the take-up includes cable directive wheel 6 and cable roller 5;The cable directive wheel 6 has It two, is separately positioned at the pithead position of 3 both sides of the first drag-line;The cable roller 5 is fixed on the ground on the outside of well head, And the arrangement corresponding with cable directive wheel 6 of cable roller 5.
In the present embodiment, first drag-line, 3 and second drag-line 14 is all made of steel cable.
Certainly in other embodiments, the quantity of cable directive wheel 6 is identical as 2 quantity of cable to be removed, utilizes cable Cable 2 after dismounting is drawn upper ground surface by directive wheel 6 respectively.
A kind of vertical large-diameter cable removes the construction method of device simultaneously, including steps are as follows.
Step 1, the good sinking winch 8 of arrangement type selecting on the ground of well head side, and sinking winch 8 is fixed, 8 rotation direction of sinking winch is set to be directed at the lower rope point direction of the first drag-line 3;Wherein, sinking winch 8 is according to the weight of the first drag-line 3 The factors such as amount, 2 weight of cable to be removed, 4 weight of strain relief clamp and safety coefficient carry out type selecting.
Step 2:It is according to for the weight of cable 2 to be removed, the weight of the first drag-line 3,4 weight of strain relief clamp and safety The factors such as number select the first drag-line 3, and are connect with sinking winch 8.
Step 3:In the top layout two horizontally-supported 12 of well head stock 13(Model is determined according to Force Calculation), make For the support of drag-line directive wheel 9 and lower rope sheave 10;The two horizontally-supported 12 radial parallel arranged for interval along well head.
Step 4:The installation drag-line directive wheel 9 on horizontally-supported 12 close to well head edge side, and close to well head Lower rope sheave 10 is installed on horizontally-supported the 12 of center side.
Step 5:The first drag-line 3 being connect with sinking winch 8 is tided over into drag-line directive wheel 9 and lower rope sheave 10, and one successively It directly transfers in vertical, until the lower end of the first drag-line 3 is located at the position of the lower end of cable 2 to be removed or less, rope is put in stopping; Construction personnel, which is located on operating platform 11, when first drag-line 3 is transferred monitors, ensures 3 straight lower section of the first drag-line.
Step 6:Shaft construction personnel are located at 11 top and bottom of operating platform, and bottom personnel remove to be removed Connection between connection between cable 2 and cable 2 and the borehole wall 7, the personnel at the top of operating platform 11 are with strain relief clamp 4 dismounting Two cables 2 are stuck on the first drag-line 3;Two layers of connection can be first removed from top to bottom, in case the torsion strength of cable 2 is big, it is bad electricity Cable 2 snaps on the first drag-line 3, and strain relief clamp 4 can block one every 20 meters, with small jag on the cable 2 between adjacent cable card 4 It is fixed;If operating distance is excessive, shifting stage, personnel's erect-position easy to operation can be set up on operating platform 11;Until cable 2 is torn open Except complete, cable 2 is all stuck on the first drag-line 3.
Step 7:Well head in vertical, arrangement cable directive wheel 6 at the lower rope point position close to the first drag-line 3, and On ground on the outside of well head, fix cable roller 5.
Step 8:After cable 2 in vertical has been removed and fixed with the first drag-line 3, construction personnel withdraws in vertical, starts The cable 2 of dismounting is promoted to well head by sinking winch 8.
Step 9:Well head arranges two people to remove small jag, strain relief clamp 4, and makes the upper end of cable 2 rotating around upper cable Directive wheel 6 is guided to cable 2 on the ground of well head side using cable directive wheel 6, is supervised by operating personnel or helped cable 2, It allows cable 2 to change into circle naturally, after bringing out well head under cable 2, removes the last one strain relief clamp 4, then unify to break and remove electricity 2 circle of cable, whole cable 2 are wrapped with cable roller 5.
Certainly the connection and to be removed dismantled in other embodiments, in step 6 between the cable 2 and the borehole wall 7 of dismounting Cable 2 and cable 2 to be removed between the specific method that connect be:It first removes from top to bottom, and side is removed, while by The cable position electricity consumption cable card 4 torn open is fixed temporarily with the first drag-line 3;Strain relief clamp 4 is between every cable 2 and the first drag-line 3 Spacing is arranged to control no more than 20m.
Above-described embodiment is not the exhaustion of specific implementation mode, can also have other embodiments, above-described embodiment purpose to exist In illustrating the present invention, the protection domain being not intended to limit the present invention, all applications from simple change of the present invention all fall within this In the protection domain of invention.

Claims (9)

1. a kind of vertical large-diameter cable removes device simultaneously, at least two cables(2)While remove;The dismounting device It include well head stock(13), cable lifting device, operating platform(11), cable fixture and take-up;Its feature exists In:The well head stock(13)Branch is located above well head;
The cable lifting device includes the first drag-line(3)And sinking winch(8);The sinking winch(8)It is fixed on well head On the ground of side;First drag-line(3)Wherein one end and sinking winch(8)Connection, the first drag-line(3)The other end around Cross well head stock(13)Top stretch into vertical;
The operating platform(11)Pass through the second drag-line(14)It hangs and is located in vertical, and vertically liftable;
The cable fixture is to by cable to be removed(2)With the first drag-line(3)It is fixedly connected, the cable fixture It include strain relief clamp(4);The strain relief clamp(4)There is one group, along cable to be removed(2)Arranged for interval;Wherein, each cable Card(4)Including there are two strain relief clamp plate units(4.1)And connector(4.2), in strain relief clamp plate unit(4.1)Plate face on be spaced Equipped with one group of vertical card slot(1);Two strain relief clamp plate units(4.1)It is vertically provided at cable to be removed respectively(2)With One drag-line(3)Both sides, and strain relief clamp plate unit(4.1)On one group of card slot(1)By cable(2)With the first drag-line(3)It is corresponding The outside of clip wherein;The connector(4.2)By two strain relief clamp plate units(4.1)It is correspondingly connected with;
The take-up is arranged on the ground on the outside of well head, to recycle the cable removed(2).
2. vertical large-diameter cable according to claim 1 removes device simultaneously, it is characterised in that:The well head stock (13)It is set up in a ring along the edge of well head;In well head stock(13)Top be fixed with it is horizontally-supported(12).
3. vertical large-diameter cable according to claim 2 removes device simultaneously, it is characterised in that:The cable promotes dress Set further includes having drag-line directive wheel(9)With lower rope sheave(10);The drag-line directive wheel(9)With lower rope sheave(10)It is separately fixed at well Muzzle frame(13)Top it is horizontally-supported(12)On, and drag-line directive wheel(9)Positioned at close to well head edge side, lower rope sheave (10)Positioned at close to well head center side;First drag-line(3)The other end successively bypass drag-line directive wheel(9)With lower rope sheave (10)It stretches into vertical.
4. vertical large-diameter cable according to claim 1 removes device simultaneously, it is characterised in that:Ground on the outside of well head Motor is additionally provided on face(15)And holder(16);Second drag-line(14)One end and motor(15)Connection, the second drag-line (14)The other end bypass holder(16)On fixed pulley(17)With operating platform(11)Connection.
5. vertical large-diameter cable according to claim 1 removes device simultaneously, it is characterised in that:The take-up packet Cable directive wheel is included(6)With cable roller(5);The cable directive wheel(6)It is arranged at pithead position, and cable is oriented to Wheel(6)Quantity and cable to be removed(2)Quantity is identical;The cable roller(5)It is fixed on the ground on the outside of well head, and And cable roller(5)With cable directive wheel(6)Corresponding arrangement.
6. the vertical large-diameter cable described in a kind of any one of claim 1-5 removes the construction method of device simultaneously, It is characterized in that, including steps are as follows:
Step 1 arranges sinking winch on the ground of well head side(8)And it is fixed, make sinking winch(8)Rotation direction is aligned First drag-line(3)Lower rope point direction;
Step 2:Select the first drag-line(3), and and sinking winch(8)Connection;
Step 3:In well head stock(13)Top layout two it is horizontally-supported(12);Two horizontally-supported(12)Along well head Radial parallel arranged for interval;
Step 4:Close to the horizontally-supported of well head edge side(12)Upper installation drag-line directive wheel(9), and close to well head Center side it is horizontally-supported(12)Rope sheave under upper installation(10);
Step 5:It will be with sinking winch(8)First drag-line of connection(3)Drag-line directive wheel is tided over successively(9)With lower rope sheave(10), And it transfers in vertical always;
Step 6:It dismantles cable to be removed(2)With the borehole wall(7)Between connection and cable to be removed(2)With it is to be removed Cable(2)Between connection, and utilize strain relief clamp(4)By the cable of dismounting(2)It is temporarily fixed at the first drag-line(3)On;
Step 7:In the well head of vertical, close to the first drag-line(3)Lower rope point position at arrange cable directive wheel(6), and On ground on the outside of well head, fix cable roller(5);
Step 8:Start sinking winch(8)By the cable of dismounting(2)It is promoted to well head;
Step 9:Remove cable(2)With the first drag-line(3)Between strain relief clamp(4), and make cable(2)Upper end rotating around Upper cable directive wheel(6), utilize cable roller(5)To cable(2)It is recycled.
7. vertical large-diameter cable according to claim 6 removes the construction method of device simultaneously, it is characterised in that:Step Sinking winch in one(8)The basis of type selecting is the first drag-line(3)Weight, cable to be removed(2)Weight, strain relief clamp(4)Weight Amount and safety coefficient;
First drag-line in step 2(3)Selection gist be cable to be removed(2)Weight, the first drag-line(3)Weight, electricity Cable card(4)Weight and safety coefficient.
8. vertical large-diameter cable according to claim 6 removes the construction method of device simultaneously, it is characterised in that:Step First drag-line in five(3)It transfers in vertical, until the first drag-line(3)Lower end be located at cable to be removed(2)Lower end with Until at lower position.
9. the method that vertical large-diameter cable according to claim 6 removes device simultaneously, it is characterised in that:In step 6 It dismantles the cable of dismounting(2)With the borehole wall(7)Between connection and cable to be removed(2)With cable to be removed(2)Between The specific method of connection be:It first removes from top to bottom, and side is removed, while the cable position electricity consumption cable card that will have been torn open(4)With First drag-line(3)It is fixed temporarily;Strain relief clamp(4)In every cable and the first drag-line(3)Between setting spacing be no more than 20m。
CN201810443082.5A 2018-05-10 2018-05-10 A kind of vertical large-diameter cable removes device and its construction method simultaneously Pending CN108521098A (en)

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JPH07123562A (en) * 1993-10-20 1995-05-12 Takenaka Komuten Co Ltd Messenger rack cable
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CN104167694A (en) * 2014-08-12 2014-11-26 铜陵有色金属集团铜冠矿山建设股份有限公司 Method for laying cable with hemp ropes in vertical shaft of mine
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54102592A (en) * 1978-01-30 1979-08-13 Furukawa Electric Co Ltd:The Method of installing cable to vertical shaft
JPH07123562A (en) * 1993-10-20 1995-05-12 Takenaka Komuten Co Ltd Messenger rack cable
CN201813110U (en) * 2010-05-11 2011-04-27 成都建筑工程集团总公司 Special clamp for drawing cable machine
CN103606863A (en) * 2013-09-25 2014-02-26 中煤第三建设公司机电安装工程处 Anti-intertwisting installation method of putting shaft cable downward through two winches
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