High tower structure of cable crane and its method for dismounting
Technical field
The present invention relates to high tower cable machine technical field, more particularly, to a kind of high tower structure of cable crane and its method for dismounting.
Background technology
The feature of cable machine is the supporting member using flexible cable as lifting, hoisting mechanism, and the two ends of cable wire are by being arranged at
Supporting support (i.e. pylon) on ground is supported, and flexible cable (carrying rope) has loading trolley, outstanding under loading trolley
Lift heavy thing and round operation on flexible cable, have the functions such as vertical transport or horizontal transport concurrently.Cable machine is in hydroelectric project
One of the most frequently used construction equipment, cable machine has been equipped with up to the even upper km of hundreds of meters, weigh tens, up to a hundred tons of carrying
Rope is so that the difficulty that cable machine peace is torn open is much larger than the crane gears such as conventional door machine, tower crane.The pylon of particularly high tower cable machine is high
Degree may be up to nearly hundred meters, and traditional equipment peace is torn open method and implemented using other crane gears, that is,:Rise by using crawler type
Heavy-duty machine or fixed crane gear (as door tower crane) are pacified piece by piece and are torn open, if running into the cable machine that tower height reaches nearly hundred meters
When, so will must use the crane gear of super-tonnage, and this kind of large-tonnage crane gear will to site condition, means of transportation
Ask very high.Conventional method for dismounting is:First hung on king-tower pylon using the crane gear of a super-tonnage, overlength crane arm
Portion, removes main rope, the pygochord rope head on king-tower pylon respectively by another large-tonnage crane gear.Hang rising of king-tower top
After king-tower pose adjustment is vertical by luffing by heavy equipment, untie the connecting bolt in the middle part of bottom girder, then this crane gear is micro-
Fast off the hook, king-tower pylon in the presence of deadweight, open to both sides respectively, and king-tower highly constantly declines by two supporting legs, and final two
Bar supporting leg falls on the ground.Pylon is carried out with temporary support again and carries out decomposing after fixing, remove.This method must use two
Super-tonnage, the crane gear of overlength crane arm, thus less economical, and large lifting equipment having high demands, tearing open to place
Dress is difficult.And, during pylon declines, only lean on supporting leg deadweight sometimes cannot overcome the resistance that supporting leg hinge corrosion leads to
Power, thus lead to remove difficulty.
High tower cable machine is because demolishing process interference is more with limiting factor, equipment is old former to removing increase difficulty etc.
Cause, the difficulty of dismounting is often higher than the difficulty installed.Determined by the landform that cable machine equipment is arranged, cable owner's tower pylon, secondary tower tower
Frame is probably all high tower so that removing that difficulty is bigger, and traditional peace tears the economical difference of method, long in time limit, to place bar open
The shortcomings of part has high demands.
Content of the invention
Part in view of the shortcomings of the prior art, it is an object of the invention to provide a kind of high tower cable machine dismounting side
Method, the method is hung by hoist engine, mast and is pulled during wind devices can be implemented in the high-order auxiliary fall from fall and low level and entirely leads
Tower steadily declines, and allows king-tower to drop on buttress, then dismantles again, removes very convenient.
The purpose of the present invention is achieved through the following technical solutions:
A kind of high tower structure of cable crane, draws hoist engine, pylon from drop including king-tower, secondary car, balance car, pylon from outside drop
Draw hoist engine, tower head top to pull and pull wind devices in the middle part of wind devices and tower head, described king-tower is by king-tower tower head and the activity of king-tower tower body
It is formed by connecting, be connected with main rope between described king-tower tower head and secondary car, be connected between described king-tower tower head and balance car
Pygochord.Described king-tower tower body is made up of two tower body columns, and the top of two tower body columns is movably connected with king-tower tower head
Bottom, the bottom of two tower body columns is connected by king-tower bottom girder respectively, is provided with king-tower walking mechanism in king-tower bottom girder bottom.Institute
Stating pylon draws hoist engine, pylon to draw hoist engine to be respectively arranged at the ground of king-tower tower body near-bottom, institute from fall from outside drop
Stating pylon draws hoist engine to be used for dividing the bottom of two tower body columns of king-tower tower body outwardly from during drop in dismounting from outside drop
Open, pylon draws hoist engine to be used for receiving the bottom of two tower body columns of king-tower tower body inwardly from fall, it is to avoid too fast from fall
And initiation potential, pylon outer draws hoist engine, pylon to draw hoist engine collective effect from fall and realize the rising of king-tower tower body from dropping
(declining the adjustment of process status and balance) and decline;Described tower head top pull wind devices pass through top cable rope draw in
The top of king-tower tower head, pulls wind devices and passes through middle part cable rope draw in the middle part of king-tower tower head, tower in the middle part of described tower head
Head is pulled and is pulled the common draw of wind devices in the middle part of wind devices and tower head and in king-tower tower head and realize king-tower tower head in king-tower liter
Plumbness all the time during fall.
In order to the present invention is better achieved, this high tower cable machine method for dismounting also includes mast and hangs to hang side with mast and pull wind setting
Standby, mast is hung and is correspondingly arranged with described king-tower tower head, hangs described king-tower tower head by the hanging beam that mast hangs and realizes cable machine and tears open
Auxiliary fall operation during removing;Mast hangs side to be pulled wind devices and acts on mast furred ceiling portion by hoist engine traction side cable rope.
Further technical scheme is:Cable machine dolly is provided with described main rope.
Further technical scheme is:Described pylon draws hoist engine to pass through pylon from outside drop and draws rope traction from fall is outer
Outside the tower body column bottom of king-tower tower body, pylon from fall outer draw be provided with steel wire rope pylon from drop outer draw assembly pulley, and
And this tower body column bottom be additionally provided with pylon from fall in draw the pylon of elevator machine travel to draw steel wire rope from fall, in pylon from dropping
Inside draw steel wire rope to be provided with pylon and draw assembly pulley from fall.
A kind of method for dismounting of high tower structure of cable crane, its method for dismounting is as follows:
A, pull wind devices and hoist engine and install:Tower head top is pulled and pulls wind devices in the middle part of wind devices and tower head and pacified by earth anchor
It is attached to corresponding position, tower head top is pulled wind devices and passed through top cable rope draw in the top of king-tower tower head, in tower head
Portion pulls wind devices and passes through middle part cable rope draw in the middle part of king-tower tower head, is pulled in wind devices and tower head by tower head top
Portion pulls the common draw of wind devices and in king-tower tower head and realizes king-tower tower head and be in plumbness;
B, king-tower are high-order to drop certainly:Pylon is drawn from outside drop hoist engine and pylon draw hoist engine to be installed to by earth anchor from fall
The corresponding position of king-tower tower body bottom, king-tower tower body has two tower body columns, and each tower body column is all correspondingly arranged on
One pylon draws hoist engine and pylon to draw hoist engine from drop from outside drop, and pylon draws hoist engine to pass through pylon from outside drop and draws from fall is outer
Outside tower body column bottom, pylon draws hoist engine to pass through pylon from fall and draws rope traction in tower from fall rope traction
Inside body column bottom;Pylon stands from dropping the outer tower body drawing hoist engine, pylon to draw hoist engine collective effect king-tower tower body from fall
Post simultaneously realizes king-tower tower head, steady during king-tower tower body entire lowering, and during declining, main rope, pygochord also serve as
Pull wind with wind vertical direction is pulled at tower head top, by the traction of hoist engine, main rope, pygochord are also served as and pull wind with tower head top
Vertical direction pull wind so that king-tower tower head and king-tower tower body steadily decline;
C, the auxiliary fall of king-tower low level:Ground near king-tower pylon is disposed with mast hang, in the high-order fall process certainly of king-tower
In, mast hangs adjustment luffing so that the fall region certainly of king-tower pylon avoided by crane arm, with sharp king-tower pylon from fall.When king-tower tower head
From when dropping to mast furred ceiling portion, mast hangs luffing and makes crane arm near king-tower pylon, and mast lifts king-tower tower head for bottom,
Mast hangs by discharging raising line, drives king-tower tower head steadily to decline, and mast hangs side and pulls wind devices by side cable rope traction work
Hang for mast so that mast hangs not to both sides beat it is ensured that the stablizing of its state;
D, buttress support and remove:King-tower is dropped to extreme lower position and is supported, so by the buttress being arranged on ground
After remove whole king-tower;Then complete secondary car, dismounting that balance car, mast hang, and reclaim main rope, pygochord, then complete each
Hoist engine, pull the dismounting of wind devices.
In order to the dismounting of high tower structure of cable crane is better achieved, the method for dismounting of this high tower structure of cable crane is in step A
Increase step A1 and B between, wherein step A1 is as follows:
A1, the adjustment of king-tower obliquity:If king-tower vertically no tilts, it is directly entered step B;If king-tower is in skewed
State, then first will be lived with big butterfly clamp clip respectively at the two ends rope head of main rope and pygochord, then be equipped with the elevator of respective model respectively
Machine, steel wire rope and assembly pulley, in order to hold each butterfly mounting board;By adjusting hoist engine folding and unfolding steel wire rope, by king-tower by tilting
State adjusts to plumbness.
Step A1 concrete methods of realizing and effect are as follows:
1st, the adjustment of king-tower king-tower attitude from before the auxiliary fall of fall.Because part cable owner's tower running status is to incline to balance car direction
An oblique low-angle, therefore for such cable machine, should first adjust king-tower attitude before fall certainly and auxiliary fall.First will be non-to main rope and pygochord
Lived with big butterfly clamp clip at the rope head of king-tower side, be equipped with hoist engine, steel wire rope and the assembly pulley of respective model, in order to have enough
Pulling force hold butterfly mounting board.The adjustment hoist engine folding and unfolding steel wire rope of main rope and pygochord, king-tower attitude is vertical by tilt adjustments
Directly.
2nd, in king-tower from during fall and auxiliary fall, above-mentioned king-tower device for adjusting posture passes through at any time main rope, pygochord to be led
Draw adjustment it is ensured that its attitude in both directions is vertical.The overtension of main rope, pygochord can be avoided simultaneously, to from fall, auxiliary
Fall process produces and hinders.
3rd, cable machine coverage is big, disturbs big, it is to avoid the measure of interference in demolishing process:(1) during main rope declines, such as
Meet the interference with main rope, main rope being driven, thus avoiding interference, but should adjust simultaneously in good time by the way of independent walking secondary tower
Whole main rope adjusts hoist engine, to avoid main cable's tension excessive.(2) using support or interim carry the overhead mode of rope avoid with
The interference of side.
The present invention compared with the prior art, has advantages below and beneficial effect:
(1) the structure of cable crane method for dismounting of the present invention is so that the installation and removal of cable owner's tower need not rely on ultra-large type rises
Heavy equipment, is hung and pulls wind devices and can be implemented in whole king-tower during the high-order auxiliary fall from fall and low level by hoist engine, mast
Steadily decline, allow king-tower to drop on buttress, then dismantle again, remove very convenient.
(2) present invention innovatively achieves large-tonnage, high tower, the tearing open of Dynamic stable structures using multiple stage hoist engine
Remove;The hoist engine that the present invention adopts, steel wire rope etc. are with low cost, have wide range of applications, and can recycle, warp in sundry item
Ji property is good;The present invention no particular/special requirement to place for the super large heavy-duty hoisting equipment, decreases the place increasing for advancing equipment and applies
Work quantities, has saved the duration.
Brief description
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the king-tower structural representation of the present invention;
Fig. 3 is the high-order fall schematic diagram certainly of king-tower of the present invention;
Fig. 4 is the high-order vertical view principle schematic from fall of Fig. 3 king-tower;
Fig. 5 is the king-tower low level auxiliary fall schematic diagram of the present invention;
Fig. 6 is the process step block diagram of high tower structure of cable crane method for dismounting.
Wherein, entitled corresponding to the reference in accompanying drawing:
1- king-tower, 11- king-tower tower head, 12- king-tower tower body, 2- main rope, 3- pair car, 4- balance car, 5- pygochord,
6- cable machine dolly, 7- king-tower bottom girder, 8- king-tower walking mechanism, 9- pylon draws hoist engine from outside drop, and 91- pylon is outer from dropping
Draw steel wire rope, 92- pylon draws assembly pulley from outside drop, 10- pylon draws hoist engine from fall, 101- pylon draws steel wire from fall
Rope, 102- pylon draws assembly pulley from fall, and wind devices are pulled at 13- tower head top, pull wind devices, 15- mast in the middle part of 14- tower head
Hang side and pull wind devices, 16- mast hangs.
Specific embodiment
With reference to embodiment, the present invention is described in further detail:
Embodiment
As shown in Fig. 1~Fig. 6, a kind of high tower structure of cable crane, outer from dropping including king-tower 1, secondary car 3, balance car 4, pylon
Draw hoist engine 9, pylon to draw hoist engine 10, tower head top to pull in the middle part of wind devices 13 and tower head to pull wind devices 14 from fall, king-tower 1 by
King-tower tower head 11 and king-tower tower body 12 are flexibly connected and form, and are connected with main rope 2, king-tower tower between king-tower tower head 11 and secondary car 3
Between 11 and balance car 4, it is connected with pygochord 5;King-tower tower body 12 is made up of two tower body columns, the top of two tower body columns
Portion is movably connected on king-tower tower head 11 bottom respectively, and the bottom of two tower body columns is respectively equipped with king-tower bottom girder 7, in king-tower bottom girder
7 bottoms are provided with king-tower walking mechanism 8;Pylon draws hoist engine 9, pylon to draw hoist engine 10 to be respectively arranged at master from fall from outside drop
On the ground of the near-bottom of tower tower body 12, pylon draws hoist engine 9 to be used for two tower body columns of king-tower tower body 12 from outside drop
Bottom outwardly separately, pylon draws hoist engine 10 for receiving the bottom of two tower body columns of king-tower tower body 12 inwardly from fall
Receive, pylon from drop outer draw hoist engine 9, pylon draw from fall hoist engine 10 collective effect and realize the rising of king-tower tower body 12 with
Fall;Tower head top is pulled wind devices 13 and is passed through top cable rope draw in the top of king-tower tower head 11, pulls wind and set in the middle part of tower head
Standby 14 pass through middle part cable rope draw in the middle part of king-tower tower head 11, and tower head top is pulled and pulled wind in the middle part of wind devices 13 and tower head
The common draw of equipment 14 in king-tower tower head 11 and is realized king-tower tower head 11 and is in vertical configuration all the time in king-tower 1 lifting process
State.
The secondary car 3 of the present embodiment is secondary tower, is no pylon, and king-tower is the cable machine of high tower is balance main rope load, many
Number is provided with balance car 4 and pygochord 5 in the opposite side of king-tower 1.And, king-tower 1 often tilts small angle to balance car 4 direction
Degree, to reduce the stress of balance car 4 and pygochord 5, stablizes overall structure.In cable machine running, with the change of main rope 2 load
Change, king-tower 1 inclination angle has small change, but cable machine keeps dynamic stability under the balanced action of main rope 2 and pygochord 5 pulling force.
This dynamic stability undoubtedly increased the dismounting difficulty of cable machine.King-tower tower height is high, overall weight is also greatly the difficult point removed.
This high tower structure of cable crane also include mast hang 16 and mast hang side and pull wind devices 15, mast hang 16 with king-tower tower head
11 are correspondingly arranged, and hang described king-tower tower head 11 by the hanging beam that mast hangs 16 and realize the auxiliary fall work in cable machine demolishing process
Industry.Mast hangs side to be pulled wind devices 15 and hangs 16 tops by side cable rope draw in mast.
According to one embodiment of present invention, main rope 2 is provided with cable machine dolly 6.
According to one embodiment of present invention, pylon draws hoist engine 9 to draw steel wire rope 91 to lead by pylon from outside drop from fall is outer
Draw outside the tower body column bottom of king-tower tower body 12, pylon is provided with steel wire rope 91 outer draws pulley from dropping from fall outer drawing in pylon
Group 92, and this tower body column bottom also by pylon from fall in draw steel wire rope 101 traction be provided with pylon from fall in draw elevator
Machine 10 traction pylon from fall in draw steel wire rope 101, pylon from fall in draw be provided with steel wire rope 101 pylon from drop in draw pulley
Group 102.
A kind of method for dismounting of high tower structure of cable crane, its method for dismounting is as follows:
A, pull wind devices and hoist engine and install:Tower head top is pulled and pulls wind devices 14 in the middle part of wind devices 13 and tower head by ground
Anchor is installed to corresponding position, and tower head top is pulled wind devices 13 and passed through top cable rope draw in the top of king-tower tower head 11
Portion, is pulled wind devices 14 and passes through middle part cable rope draw in the middle part of king-tower tower head 11, pulled by tower head top in the middle part of tower head
Pull the common draw of wind devices 14 in the middle part of wind devices 13 and tower head in king-tower tower head 11 and to realize king-tower tower head 11 and be in vertically
State;
B, king-tower are high-order to drop certainly:Pylon is drawn from outside drop hoist engine 9 and pylon draw hoist engine 10 to pacify by earth anchor from fall
It is attached to the corresponding position of king-tower tower body 12 bottom, king-tower tower body 12 has two tower body columns, each tower body column is all right
A pylon should be provided with draws hoist engine 9 and pylon to draw hoist engine 10 from fall from outside drop, and pylon draws hoist engine 9 to pass through from outside drop
Pylon draws steel wire rope 91 to draw outside tower body column bottom from outside drop, and pylon draws hoist engine 10 to pass through pylon from fall from fall
Steel wire rope 101 is drawn to draw inside tower body column bottom;Pylon draws hoist engine 9, pylon to draw hoist engine 10 from fall altogether from outside drop
The tower body column of same-action king-tower tower body 12 simultaneously realizes king-tower tower head 11, steady during the entire lowering of king-tower tower body 12,
And during declining, by the traction of hoist engine, main rope 2, pygochord 5 are also served as and pull wind vertical direction with tower head top
Pull wind so that king-tower tower head 11 and king-tower tower body 12 steadily decline;
C, the auxiliary fall of king-tower low level:Mast is disposed with the ground near king-tower tower head 11 and hangs 16, mast hangs 16 adjustment and becomes
Width makes crane arm avoid the fall region certainly of king-tower 1 pylon, with sharp king-tower 1 pylon from fall.When king-tower tower head 11 bottom drops to certainly
When mast hangs 16 top, mast hangs 16 luffings and makes crane arm near king-tower 1 pylon, and mast hangs 16 and lifts king-tower tower head 11,
Mast hangs 16 to be passed through to discharge raising line, drives king-tower tower head 11 steadily to decline, mast hangs 16 sides to be pulled wind devices 15 and pull wind by side
Wire saws act on mast and hang 16 so that mast hangs 16 not to both sides beat it is ensured that the stablizing of its state;
D, buttress support and remove:King-tower 1 is dropped to extreme lower position and is supported, so by the buttress being arranged on ground
After remove whole king-tower 1;Then complete secondary car 3, balance car 4, mast hang 16 dismounting, and reclaim main rope 2, pygochord 5, then complete
Become each hoist engine, pull the dismounting of wind devices.
The method for dismounting of high tower structure of cable crane of the present invention is totally divided into three phases (as shown in Figure 6), first stage,
Adjust king-tower attitude using hoist engine;Second stage, carried out using hoist engine king-tower high-order from dropping;Three phases, utilization
Crane gear carries out the auxiliary fall of low level to cable owner's tower.
In order to the dismounting of high tower structure of cable crane is better achieved, the method for dismounting of this high tower structure of cable crane is in step A
Increase step A1 and B between, wherein step A1 is as follows:
A1, the adjustment of king-tower obliquity:If king-tower 1 vertically no tilts, it is directly entered step B;If king-tower 1 is in inclination
State, then first lived at the non-king-tower funiculus lateralis head of main rope 2 and pygochord 5 with big butterfly clamp clip respectively, then be equipped with corresponding type respectively
Number hoist engine, steel wire rope and assembly pulley, in order to hold each butterfly mounting board;By adjusting hoist engine folding and unfolding steel wire rope, will lead
Tower 1 is adjusted to plumbness by heeling condition.
Step A1 concrete methods of realizing and effect are as follows:
1st, the adjustment of king-tower attitude from before fall, auxiliary fall.Because cable owner's tower running status is to tilt one to balance car direction
Low-angle, therefore should first adjust king-tower attitude before fall certainly and auxiliary fall.First big by using at the rope head of main rope and pygochord non-king-tower side
Butterfly clamp clip is lived, and is equipped with hoist engine, steel wire rope and the assembly pulley of respective model, in order to hold butterfly mounting board.Main rope and pygochord
Adjustment hoist engine folding and unfolding steel wire rope, king-tower attitude is vertical by tilt adjustments.
2nd, in king-tower from during fall and auxiliary fall, above-mentioned king-tower device for adjusting posture passes through at any time main rope, pygochord to be led
Draw adjustment it is ensured that its attitude in both directions is vertical.The overtension of main rope, pygochord can be avoided simultaneously, to from fall, auxiliary
Fall process produces and hinders.
3rd, cable machine coverage is big, disturbs big, it is to avoid the measure of interference in demolishing process:(1) during main rope declines, such as
Meet the interference with main rope, main rope being driven, thus avoiding interference, but should adjust simultaneously in good time by the way of independent walking secondary tower
Whole main rope adjusts hoist engine, to avoid main cable's tension excessive.(2) using support or interim carry the overhead mode of rope avoid with
The interference of side.
First stage:Adjust king-tower attitude using hoist engine.First big by using at the rope head of main rope and pygochord non-king-tower side
Butterfly clamp clip is lived, and is equipped with hoist engine, steel wire rope and the assembly pulley of respective model, in order to hold butterfly mounting board.Main rope and pygochord
Adjustment hoist engine folding and unfolding steel wire rope, king-tower attitude is vertical by tilt adjustments.
Second stage:Carry out the high-order fall (as shown in Figure 3) certainly of king-tower using hoist engine, arrange many from before drop at king-tower
To hoist engine and its steel wire rope, assembly pulley, predominantly inside king-tower bottom girder near on ground arrangement left and right both direction one
To the releasing hoister machine from fall, outside king-tower bottom girder near arrange on ground and draw hoist engine outside a pair of king-tower bottom girder, in king-tower tower
The top of head, middle part are respectively arranged a pair of tower head top, (two play the work of dual fail-safe to pulling wind to pull wind hoist engine in the middle part of tower head
With arranging there is not interference up and down).After ready, the connecting bolt in the middle part of king-tower bottom girder is removed, using king-tower tower body two
Put in outside in the deadweight of supporting leg and king-tower bottom girder and draw hoist engine it is ensured that cable machine tower body overcomes hinge resistance outward, be slowly subject to
Control ground declines.During answer synchro measure, adjustment main rope and pygochord, tower head to pull wind hoist engine, keep the vertical of king-tower attitude.When
When king-tower drops to certain altitude, when the horizontal component of tower body two supporting leg is excessive, for avoiding hoist engine, steel wire rope overload, need to enter
Row is from the conversion dropped to auxiliary fall process.
Three phases:Using crane gear, the auxiliary fall of low level (as shown in Figure 5) is carried out to cable owner's tower.This stage cable owner
Tower has been in relatively low height, thus can be using universal crane gear, and such as mast hangs, crawler crane etc. hangs on king-tower
Portion, then removes king-tower from dropping hoist engine, after steel wire rope, synchronization control tower head pulls wind hoist engine, in measurement king-tower all directions
On the premise of perpendicularity, mast hangs slow off the hook, and king-tower pylon slowly declines in the presence of deadweight, until two king-tower pylons two
Supporting leg drops down onto on the buttress on ground completely.After fixing, king-tower pylon is carried out decomposing removing temporarily.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.