CN104555833A - Tool for hoisting steel inner barrel of chimney and application method of tool - Google Patents
Tool for hoisting steel inner barrel of chimney and application method of tool Download PDFInfo
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- CN104555833A CN104555833A CN201410768614.4A CN201410768614A CN104555833A CN 104555833 A CN104555833 A CN 104555833A CN 201410768614 A CN201410768614 A CN 201410768614A CN 104555833 A CN104555833 A CN 104555833A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/02—Hoists or accessories for hoists
- B66D2700/023—Hoists
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- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention belongs to the technical field of hoisting construction and provides a tool for hoisting a steel inner barrel of a chimney, aiming at solving the problems of an existing method for hoisting the steel inner barrel of the chimney that the safety risk is great and the cost is high. The tool comprises a hoisting frame, four power devices and a hoisting device, wherein the hoisting frame is fixed at the top of the chimney; the power devices are fixed on the lower surface of the hoisting frame; the hoisting device can move in the chimney up and down. With the adoption of the tool provided by the invention, the safety of the work of hoisting the steel inner barrel of the chimney is improved and the working cost is reduced.
Description
Technical field
The invention belongs to the technical field of lifting construction, being specifically related to a kind of instrument for lifting inner steel cylinder of chimney and using method thereof.
Background technology
The exhaust chimney of nuclear station, because the radioactivation of discharging flue gas is different from corrosive property, can adopt sleeve-type or multi-flue chimney to carry out fume exhaust respectively usually.Need steel inner cylinder is installed in sleeve-type or multi-flue chimney, usually adopt following methods lifting steel inner cylinder at present:
(1) hydraulic lifting method, the instrument used generally includes hydraulic hoisting machine, hydraulic power unit, hydraulic self-control valve, high pressure fuel pipe, oil tank etc., the shortcoming of this method is: we rent tools and purchase cost is higher in use, and setup time is longer, needs professional to instruct use; If contaminated by radioactive substances in work progress, equipment package can not re-use, and cause heavy economic losses; A lifting point must being changed in hoisting process, when changing lifting point, needing steel inner cylinder to be fixed in chimney, and steel inner cylinder heavier-weight, and being subject to the restriction in space in chimney, the effect that steel inner cylinder is fixed is poor, there is larger potential safety hazard.
(2) hydraulic lifting method, the instrument of use generally includes hydraulic jack, hydraulic support, hydraulic power unit, packing, support etc., and the shortcoming of this method is: lease and purchase cost higher, and setup time is longer, needs professional to instruct use; Use during the method and only must shake a little in the differing heights setting of chimney, hoisting process is complicated; If contaminated by radioactive substances in work progress, equipment package can not re-use, and cause heavy economic losses.
(3) pneumatic jack method, uses during the method and needs extra making one and the isodiametric end socket of chimney, also need at producer's subscription specific seal ring, and the construction preparation cycle is longer, and cost is higher.
Summary of the invention
In order to the method safety solving existing lifting inner steel cylinder of chimney has a big risk the high problem of cost, the present invention proposes a kind of instrument for lifting inner steel cylinder of chimney, to improve the safety of lifting inner steel cylinder of chimney operation, reduces the cost of operation.
Instrument for lifting inner steel cylinder of chimney of the present invention comprises mast-up, four engine installations and jacking system; Described mast-up is fixed on chimney top; Described engine installation is fixed on the lower surface of mast-up; Described jacking system can move up and down in chimney.
Wherein, to be uniformly distributed in diameter equal with the external diameter of steel inner cylinder circumferentially for four engine installations.
Wherein, described engine installation is electric block, is connected with some sections of hoisting ropes below this electric block.
Wherein, the length of every section of described hoisting rope is equal with the height of every section of steel inner cylinder.
Wherein, the stroke of described engine installation is greater than the height of every section of steel inner cylinder.
Wherein, described jacking system comprises lifting table and gig, and the cable of this gig is connected with lifting table, and hangs on described mast-up.
The present invention also proposes a kind of using method of the instrument for lifting inner steel cylinder of chimney, and the method comprises the following steps:
(1) described four engine installations are divided into two groups, A group engine installation and B group engine installation, often group comprises two engine installations; First paragraph steel inner cylinder is placed on the datum clamp face in chimney, uses hoisting rope to be connected with B group engine installation by the top hanger of described first paragraph steel inner cylinder;
(2) control B group engine installation, to promote described first paragraph steel inner cylinder, until when the distance between first paragraph steel inner cylinder and datum clamp face is greater than the height of second segment steel inner cylinder, stops promoting first paragraph steel inner cylinder;
(3) second segment steel inner cylinder is placed on the datum clamp face in chimney, control B group engine installation, make first paragraph steel inner cylinder decline with second segment steel inner cylinder group pair, then jacking system is used operating personal to be transported to first paragraph steel inner cylinder and the right position of second segment steel inner cylinder group, to be fixedly connected with second segment steel inner cylinder by first paragraph steel inner cylinder;
(4) hoisting rope is used to be connected with the bottom hanger of first paragraph steel inner cylinder by A group engine installation, control A group engine installation is to promote first paragraph steel inner cylinder and second segment steel inner cylinder, until the hoisting rope that connects of B group engine installation lax after, stop promoting first paragraph steel inner cylinder and second segment steel inner cylinder, the hoisting rope of B group engine installation is unloaded from first paragraph steel inner cylinder; Control A group engine installation, continues to promote first paragraph steel inner cylinder and second segment steel inner cylinder, until when the distance between second segment steel inner cylinder and datum clamp face is greater than the height of the 3rd section of steel inner cylinder, stops promoting first paragraph steel inner cylinder and second segment steel inner cylinder;
(5) the 3rd section of steel inner cylinder is placed on the datum clamp face in chimney, control A group engine installation, first paragraph steel inner cylinder and second segment steel inner cylinder are declined, to be fixedly connected with the 3rd section of steel inner cylinder by second segment steel inner cylinder;
(6) hoisting rope is used to be connected with the top hanger of first paragraph steel inner cylinder by B group engine installation, control B group engine installation is to promote first paragraph steel inner cylinder, second segment steel inner cylinder and the 3rd section of steel inner cylinder, until the hoisting rope that connects of A group engine installation lax after, stop promoting first paragraph steel inner cylinder, second segment steel inner cylinder and the 3rd section of steel inner cylinder, the hoisting rope that A group engine installation connects is unloaded from first paragraph steel inner cylinder; Control B group engine installation, continue to promote first paragraph steel inner cylinder, second segment steel inner cylinder and the 3rd section of steel inner cylinder, until when the 3rd section of distance between steel inner cylinder and datum clamp face is greater than the height of the 4th section of steel inner cylinder, stop promoting first paragraph steel inner cylinder, second segment steel inner cylinder and the 3rd section of steel inner cylinder;
(7) be placed on the datum clamp face in chimney by the 4th section of steel inner cylinder, control B group engine installation declines, and with by the 3rd section of steel inner cylinder and the 4th section of steel inner cylinder group pair, after the 3rd section of steel inner cylinder drops to suitable position, stops B group engine installation; Use lifting table operating personal to be transported to the 3rd section of steel inner cylinder and the 4th section of position that steel inner cylinder is connected, the 3rd section of steel inner cylinder is connected with the 4th section of steel inner cylinder;
(8) hoisting rope is used to be connected with first paragraph steel inner cylinder bottom hanger by A group engine installation, control A group engine installation is to promote first paragraph steel inner cylinder, second segment steel inner cylinder, the 3rd section of steel inner cylinder and the 4th section of steel inner cylinder, until the hoisting rope that connects of B group engine installation lax after, stop A group engine installation; Use lifting table operating personal to be transported to the hanger place, top of first paragraph steel inner cylinder, the hoisting rope that B group engine installation connects unloads from the top hanger of first paragraph steel inner cylinder by operating personal; Control A group engine installation, continues to promote first paragraph steel inner cylinder, second segment steel inner cylinder, the 3rd section of steel inner cylinder and the 4th section of steel inner cylinder, until when the 4th section of distance between steel inner cylinder and datum clamp face is greater than the height of the 5th section of steel inner cylinder, stops A group engine installation; The lifting of the 5th section of steel inner cylinder and later each section of steel inner cylinder all repeats above-mentioned steps, until steel inner cylinder integral hoisting completed.
The beneficial effect of instrument of the present invention and using method thereof: instrument of the present invention comprises electric block, mast-up, hoisting rope and lifting table, and the instrument that hydraulic lifting method uses generally includes hydraulic hoisting machine, hydraulic power unit, hydraulic self-control valve, high pressure fuel pipe, oil tank etc.; The instrument that hydraulic lifting method uses generally includes hydraulic jack, hydraulic support, hydraulic power unit, packing, support etc., compare with hydraulic lifting method with hydraulic lifting method, the parts that instrument of the present invention comprises are few, and structure is simple, be easy to operation, do not need professional to instruct use; Electric block, mast-up, hoisting rope and lifting table are all the instruments that camp site often uses, than the instrument low price that hydraulic lifting method and hydraulic lifting method use, reduce the cost of lease or buying, cause instrument not use even if be subject to radioactive contamination in work progress, also can not cause large property damage; Because electric block, mast-up, hoisting rope and lifting table are all the instruments that camp site often uses, therefore the instrument used time of the present invention is made shorter, can ensure the progress of constructing, and hydraulic lifting method and hydraulic lifting method use the cycle that we rent tools or buy longer; When using pneumatic jack method, also need to producer's subscription specific seal ring, the preparatory period is also longer; When using instrument of the present invention to lift inner steel cylinder of chimney, four electric blocks are divided into two groups, alternately promote steel inner cylinder, and the process of whole like this lifting is very safe, and use hydraulic lifting method, in hoisting process, need more change owner suspension centre, when changing lifting point, need to use other instruments to be fixed in chimney by steel inner cylinder, and steel inner cylinder heavier-weight, and being subject to the restriction in space in chimney, the effect that steel inner cylinder is fixed is poor, there is larger potential safety hazard; Instrument of the present invention improves the safety of lifting inner steel cylinder of chimney operation, reduces the cost of operation.
Accompanying drawing explanation
Fig. 1 is that the present invention is for lifting the schematic front view of the instrument of inner steel cylinder of chimney;
Fig. 2 uses the present invention for lifting the schematic diagram of the instrument lifting first paragraph steel inner cylinder of inner steel cylinder of chimney;
Fig. 3 uses the present invention to lift the schematic diagram of first paragraph steel inner cylinder and second segment steel inner cylinder for the instrument lifting inner steel cylinder of chimney.
Detailed description of the invention
Instrument of the present invention is introduced below in conjunction with Fig. 1-Fig. 3.
As shown in Figure 1, instrument of the present invention comprises mast-up 10, four electric blocks (shown in figure three electric blocks).Mast-up 10 is fixed on chimney 34 top; The lower surface of mast-up 10 is provided with hanger 14, electric block is installed on above hanger 14; And four electric blocks to be uniformly distributed in diameter equal with the external diameter of steel inner cylinder circumferentially, when introducing instrument of the present invention below, it is one group to be positioned at one of above-mentioned circumference two electric blocks diametrically, four electric blocks are divided into two groups, A group and B group, A group has two electric block 11a and 11a '; B group has two electric block 11b and 11b '.The power cable and control cable 13 of the electric block of A group and B group causes bottom chimney 34 along the sidewall of chimney 34, interlocks, the control cables of two of A group electric block 11a and 11a ' can control electric block 11a and 11a ' simultaneously; The control cables of two of B group electric block 11b and 11b ' is interlocked, can control electric block 11b and 11b ' simultaneously.Wherein, the stroke of the electric block of A group and B group is greater than the height of every section of steel inner cylinder.The electric block of A group and B group is connected to hoisting rope 12, and hoisting rope 12 is for connecting steel inner cylinder; Hoisting rope 12 is some sections, and be connected by buckle between every section of hoisting rope 12, the length of every section of hoisting rope 12 is equal with the height of every section of steel inner cylinder.Steel inner cylinder is provided with hanger, and when using instrument of the present invention, to be connected with steel inner cylinder by the electric block of A group or B group on hanger hoisting rope 12 being installed on steel inner cylinder, the electric block then starting A group or B group upwards promotes steel inner cylinder.
As shown in Figure 2, instrument of the present invention also comprises jacking system 15, this jacking system 15 comprises lifting table and gig, use gig as propulsion source, the steel rope of gig is connected with lifting table, and hangs on hoisting bracket 10, uses gig to pull lifting table, to enable lifting table move up and down in chimney 34, operating personal can stand on operation on lifting table.Wherein, the present embodiment uses electric block to promote steel inner cylinder as engine installation, but the engine installation promoting steel inner cylinder is not limited to electric block, winch can also be used, as long as the engine installation that can promote steel inner cylinder can both realize function of the present invention, all belong to the scope of the solution of the present invention.
Introduce the using method of instrument of the present invention below.
The first step, as shown in Figure 2, when introducing method of the present invention below, two hoisting ropes that will be connected with A group two electric block 11a and 11a ' are called A group hoisting rope 121, two hoisting ropes that will be connected with B group two electric block 11b and 11b ' are called B group hoisting rope 122, A group hoisting rope 121 and B group hoisting rope 122 are some sections, be connected by buckle, can dismantle between every section.Steel inner cylinder is divided into some sections before lifting, and each section of steel inner cylinder will fit together in hoisting process.The upper weld of first paragraph steel inner cylinder 17 has two top hangers 38, and lower weld has two bottom hangers 37, and top hanger 38 and bottom hanger 37 are as suspension centre during lifting.Be placed into by first paragraph steel inner cylinder 17 on the datum clamp face 16 in chimney, top hanger 38, the A group hoisting rope 121 B group hoisting rope 122 being connected to first paragraph steel inner cylinder 17 wouldn't be connected with first paragraph steel inner cylinder 17;
Second step, starts B group two electric block 11b and 11b ', upwards to promote first paragraph steel inner cylinder 17, until when the distance between first paragraph steel inner cylinder 17 and datum clamp face 16 is greater than the height of second segment steel inner cylinder 18, stops promoting first paragraph steel inner cylinder 17;
3rd step, as shown in Figure 3, second segment steel inner cylinder 18 is placed on datum clamp face 16, control B group two electric block 11b and 11b ', first paragraph steel inner cylinder 17 is declined, with by first paragraph steel inner cylinder 17 and second segment steel inner cylinder 18 groups pairs, after first paragraph steel inner cylinder 17 drops to suitable position, stop B group two electric block 11a and 11a '; Operating personal is transported to the position that first paragraph steel inner cylinder 17 is connected with second segment steel inner cylinder 18 by use lifting table 15, and operating personal is by first paragraph steel inner cylinder 17 and second segment steel inner cylinder 18 butt welding or be bolted;
4th step, after first paragraph steel inner cylinder 17 is fixedly connected with second segment steel inner cylinder 18 by operating personal, A group hoisting rope 121 is connected to the bottom hanger 37 of first paragraph steel inner cylinder 17, start A group two electric block 11a and 11a ', Integral lifting first paragraph steel inner cylinder 17 and second segment steel inner cylinder 18, until B group hoisting rope 122 lax after, stop A group two electric block 11a and 11a ', lifting table 15 is used operating personal to be transported to top hanger 38 place of first paragraph steel inner cylinder 17, B group hoisting rope 122 unloads from top hanger 38 by operating personal, start B group two electric block 11b and 11b ', B group two electric block 11b and 11b ' are declined, the first paragraph of B group hoisting rope 122 is dismantled on lifting table 15, and utilize lifting table 15 to be transported to bottom chimney 34, control A group two electric block 11a and 11a ', continue to promote first paragraph steel inner cylinder 17 and second segment steel inner cylinder 18, until when the distance between second segment steel inner cylinder 18 and datum clamp face 16 is greater than the height of the 3rd section of steel inner cylinder 19, stop promoting first paragraph steel inner cylinder 17 and second segment steel inner cylinder 18,
5th step, 3rd section of steel inner cylinder 19 is placed on the datum clamp face 16 in chimney, control A group two electric block 11a and 11a ', make first paragraph steel inner cylinder 17 and second segment steel inner cylinder 18 decline, to be fixedly connected with the 3rd section of steel inner cylinder 19 by second segment steel inner cylinder 18;
6th step, the second segment of B group hoisting rope 122 is used to be connected with first paragraph steel inner cylinder 17 top hanger 38 by B group two electric block 11b with 11b ', control B group two electric block 11b and 11b ' are to promote first paragraph steel inner cylinder 17, second segment steel inner cylinder 18 and the 3rd section of steel inner cylinder 19, until A group hoisting rope 121 lax after, stop promoting first paragraph steel inner cylinder 17, second segment steel inner cylinder 18 and the 3rd section of steel inner cylinder 19; Lifting table 15 is used operating personal to be transported to bottom hanger 37 place of first paragraph steel inner cylinder 17, A group hoisting rope 121 unloads from bottom hanger 37 by operating personal, start A group two electric block 11a and 11a ', A group two electric block 11a and 11a ' are declined, the first paragraph of A group hoisting rope 121 is dismantled on lifting table 15, and utilizes lifting table 15 to be transported to bottom chimney 34; Control B group two electric block 11b and 11b ', continue to promote first paragraph steel inner cylinder 17, second segment steel inner cylinder 18 and the 3rd section of steel inner cylinder 19, until when the 3rd section of distance between steel inner cylinder 19 and datum clamp face 16 is greater than the height of the 4th section of steel inner cylinder (not shown), stop promoting first paragraph steel inner cylinder 17, second segment steel inner cylinder 18 and the 3rd section of steel inner cylinder 19;
7th step, 4th section of steel inner cylinder is placed on the datum clamp face 16 in chimney, control B group two electric block 11b and 11b ' decline, with by the 3rd section of steel inner cylinder 19 and the 4th section of steel inner cylinder group pair, after 3rd section of steel inner cylinder 19 drops to suitable position, stop B group two electric block 11a and 11a '; Use lifting table 15 operating personal to be transported to the 3rd section of steel inner cylinder 19 and the 4th section of position that steel inner cylinder is connected, the 3rd section of steel inner cylinder 19 is connected with the 4th section of steel inner cylinder;
8th step, the second segment of A group hoisting rope 121 is used to be connected with first paragraph steel inner cylinder 17 bottom hanger 37 by A group two electric block 11a with 11a ', control A group two electric block 11a and 11a ' are to promote first paragraph steel inner cylinder 17, second segment steel inner cylinder 18, the 3rd section of steel inner cylinder 19 and the 4th section of steel inner cylinder, until B group hoisting rope 122 lax after, stop A group two electric block 11a and 11a '; Lifting table 15 is used operating personal to be transported to top hanger 38 place of first paragraph steel inner cylinder 17, the top hanger 38 of the second segment of B group hoisting rope 122 from first paragraph steel inner cylinder 17 unloads by operating personal, start B group two electric block 11b and 11b ', B group two electric block 11b and 11b ' are declined, the second segment of B group hoisting rope 122 is dismantled on lifting table 15, and utilizes lifting table 15 to be transported to bottom chimney 34; Control A group two electric block 11a and 11a ', continue to promote first paragraph steel inner cylinder 17, second segment steel inner cylinder 18, the 3rd section of steel inner cylinder 19 and the 4th section of steel inner cylinder, until when the 4th section of distance between steel inner cylinder and datum clamp face 16 is greater than the height of the 5th section of steel inner cylinder, stop A group two electric block 11a and 11a '; The lifting of the 5th section of steel inner cylinder and later each section of steel inner cylinder all repeats above-mentioned steps, until steel inner cylinder integral hoisting completed, the height making steel inner cylinder pass chimney 34 meets designing requirement.
Wherein, the stroke of A group and B group electric block is greater than the height of every section of steel inner cylinder, be preferably greater than every section of steel inner cylinder height 1-2m, like this when above-mentioned second step, once first paragraph steel inner cylinder 17 distance be promoted between datum clamp face 16 can be greater than the position of the height of second segment steel inner cylinder 18, the efficiency of construction can be improved.Hoisting rope 12 of the present invention adopts the form of segmentation, this overcomes the shortcoming that electric block stroke is limited, is equivalent to by dismounting hoisting rope 12 stroke increasing electric block; The length of every section of hoisting rope 12 is equal with the height of every section of steel inner cylinder, after dismounting hoisting rope 12 can be ensured like this, hoisting rope 12 can be connected to top hanger or the bottom hanger of every section of steel inner cylinder, avoids occurring that hoisting rope 12 can not be connected to the top hanger of every section of steel inner cylinder or the situation of bottom hanger because length is long or too short.
Instrument of the present invention comprises electric block, mast-up, hoisting rope and lifting table, and the instrument that hydraulic lifting method uses generally includes hydraulic hoisting machine, hydraulic power unit, hydraulic self-control valve, high pressure fuel pipe, oil tank etc., the instrument that hydraulic lifting method uses generally includes hydraulic jack, hydraulic support, hydraulic power unit, packing, support etc., compare with hydraulic lifting method with hydraulic lifting method, the parts that instrument of the present invention comprises are few, and structure is simple, be easy to operation, do not need professional to instruct use, electric block, mast-up, hoisting rope and lifting table are all the instruments that camp site often uses, than the instrument low price that hydraulic lifting method and hydraulic lifting method use, reduce the cost of lease or buying, cause instrument not use even if be subject to radioactive contamination in work progress, also can not cause large property damage, because electric block, mast-up, hoisting rope and lifting table are all the instruments that camp site often uses, therefore the instrument used time of the present invention is made shorter, the progress of constructing can be ensured, and hydraulic lifting method and hydraulic lifting method use the cycle that we rent tools or buy longer, when using pneumatic jack method, also need to producer's subscription specific seal ring, the preparatory period is also longer, when using instrument of the present invention to lift inner steel cylinder of chimney, alternately steel inner cylinder is promoted by A group electric block and B group electric block, when switching between A group electric block and B group electric block, when such as switching to B group electric block by A group electric block, A group electric block is first used to promote steel inner cylinder, after the hoisting rope connected Deng B group electric block is lax, again the hoisting rope that B group electric block connects is unloaded from steel inner cylinder, the process of whole like this lifting is very safe, and use hydraulic lifting method, more change owner suspension centre is needed in hoisting process, when changing lifting point, need to use other instruments to be fixed in chimney by steel inner cylinder, and steel inner cylinder heavier-weight, and be subject to the restriction in space in chimney, the effect that steel inner cylinder is fixed is poor, there is larger potential safety hazard.Instrument of the present invention can lift the inner steel cylinder of chimney of various height, also can be used for the operations such as the transformation of chimney, maintenance.
Claims (7)
1. for lifting an instrument for inner steel cylinder of chimney, it is characterized in that, comprising mast-up, four engine installations and jacking system; Described mast-up is fixed on chimney top; Described engine installation is fixed on the lower surface of mast-up; Described jacking system can move up and down in chimney.
2. the instrument for lifting inner steel cylinder of chimney according to claim 1, is characterized in that, it is equal with the external diameter of steel inner cylinder circumferentially that four engine installations are uniformly distributed in diameter.
3. the instrument for lifting inner steel cylinder of chimney according to claim 1 and 2, is characterized in that, described engine installation is electric block, is connected with some sections of hoisting ropes below this electric block.
4. the instrument for lifting inner steel cylinder of chimney according to claim 3, is characterized in that, the length of every section of described hoisting rope is equal with the height of every section of steel inner cylinder.
5. the instrument for lifting inner steel cylinder of chimney according to claim 1 and 2, is characterized in that, the stroke of described engine installation is greater than the height of every section of steel inner cylinder.
6. the instrument for lifting inner steel cylinder of chimney according to claim 1 and 2, is characterized in that, described jacking system comprises lifting table and gig, and the cable of this gig is connected with lifting table, and hangs on described mast-up.
7. any one described in claim 1-6 is for lifting the using method of the instrument of inner steel cylinder of chimney, and it is characterized in that, the method comprises the following steps:
(1) described four engine installations are divided into two groups, A group engine installation and B group engine installation, often group comprises two engine installations; First paragraph steel inner cylinder is placed on the datum clamp face in chimney, uses hoisting rope to be connected with B group engine installation by the top hanger of described first paragraph steel inner cylinder;
(2) control B group engine installation, to promote described first paragraph steel inner cylinder, until when the distance between first paragraph steel inner cylinder and datum clamp face is greater than the height of second segment steel inner cylinder, stops promoting first paragraph steel inner cylinder;
(3) second segment steel inner cylinder is placed on the datum clamp face in chimney, control B group engine installation, make first paragraph steel inner cylinder decline with second segment steel inner cylinder group pair, then jacking system is used operating personal to be transported to first paragraph steel inner cylinder and the right position of second segment steel inner cylinder group, to be fixedly connected with second segment steel inner cylinder by first paragraph steel inner cylinder;
(4) hoisting rope is used to be connected with the bottom hanger of first paragraph steel inner cylinder by A group engine installation, control A group engine installation is to promote first paragraph steel inner cylinder and second segment steel inner cylinder, until the hoisting rope that connects of B group engine installation lax after, stop promoting first paragraph steel inner cylinder and second segment steel inner cylinder, the hoisting rope of B group engine installation is unloaded from first paragraph steel inner cylinder; Control A group engine installation, continues to promote first paragraph steel inner cylinder and second segment steel inner cylinder, until when the distance between second segment steel inner cylinder and datum clamp face is greater than the height of the 3rd section of steel inner cylinder, stops promoting first paragraph steel inner cylinder and second segment steel inner cylinder;
(5) the 3rd section of steel inner cylinder is placed on the datum clamp face in chimney, control A group engine installation, first paragraph steel inner cylinder and second segment steel inner cylinder are declined, to be fixedly connected with the 3rd section of steel inner cylinder by second segment steel inner cylinder;
(6) hoisting rope is used to be connected with the top hanger of first paragraph steel inner cylinder by B group engine installation, control B group engine installation is to promote first paragraph steel inner cylinder, second segment steel inner cylinder and the 3rd section of steel inner cylinder, until the hoisting rope that connects of A group engine installation lax after, stop promoting first paragraph steel inner cylinder, second segment steel inner cylinder and the 3rd section of steel inner cylinder, the hoisting rope that A group engine installation connects is unloaded from first paragraph steel inner cylinder; Control B group engine installation, continue to promote first paragraph steel inner cylinder, second segment steel inner cylinder and the 3rd section of steel inner cylinder, until when the 3rd section of distance between steel inner cylinder and datum clamp face is greater than the height of the 4th section of steel inner cylinder, stop promoting first paragraph steel inner cylinder, second segment steel inner cylinder and the 3rd section of steel inner cylinder;
(7) be placed on the datum clamp face in chimney by the 4th section of steel inner cylinder, control B group engine installation declines, and with by the 3rd section of steel inner cylinder and the 4th section of steel inner cylinder group pair, after the 3rd section of steel inner cylinder drops to suitable position, stops B group engine installation; Use lifting table operating personal to be transported to the 3rd section of steel inner cylinder and the 4th section of position that steel inner cylinder is connected, the 3rd section of steel inner cylinder is connected with the 4th section of steel inner cylinder;
(8) hoisting rope is used to be connected with first paragraph steel inner cylinder bottom hanger by A group engine installation, control A group engine installation is to promote first paragraph steel inner cylinder, second segment steel inner cylinder, the 3rd section of steel inner cylinder and the 4th section of steel inner cylinder, until the hoisting rope that connects of B group engine installation lax after, stop A group engine installation; Use lifting table operating personal to be transported to the hanger place, top of first paragraph steel inner cylinder, the hoisting rope that B group engine installation connects unloads from the top hanger of first paragraph steel inner cylinder by operating personal; Control A group engine installation, continues to promote first paragraph steel inner cylinder, second segment steel inner cylinder, the 3rd section of steel inner cylinder and the 4th section of steel inner cylinder, until when the 4th section of distance between steel inner cylinder and datum clamp face is greater than the height of the 5th section of steel inner cylinder, stops A group engine installation; The lifting of the 5th section of steel inner cylinder and later each section of steel inner cylinder all repeats above-mentioned steps, until steel inner cylinder integral hoisting completed.
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| CN201410768614.4A CN104555833B (en) | 2014-12-12 | 2014-12-12 | Method for hoisting steel inner cylinder of chimney |
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| CN201410768614.4A CN104555833B (en) | 2014-12-12 | 2014-12-12 | Method for hoisting steel inner cylinder of chimney |
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| CN104555833B CN104555833B (en) | 2020-01-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048317A (en) * | 2015-06-25 | 2015-11-11 | 许继集团有限公司 | On-site installation method for suspension type valve tower |
| CN111332990A (en) * | 2019-11-20 | 2020-06-26 | 中国铁建重工集团股份有限公司 | Barrel hoisting equipment |
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| CN203639095U (en) * | 2013-12-23 | 2014-06-11 | 中国华冶科工集团有限公司 | Inner-side-column lifting device for reverse installation method |
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| JPH07305536A (en) * | 1994-05-13 | 1995-11-21 | Mitsubishi Heavy Ind Ltd | All weather type parallel building method of towerlike structure |
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| CN201647834U (en) * | 2010-02-24 | 2010-11-24 | 攀钢集团冶金工程技术有限公司 | Device for mounting tower equipment in narrow spaces |
| CN203530851U (en) * | 2013-10-16 | 2014-04-09 | 中国十七冶集团有限公司 | Basket device for combined basket working vehicle |
| CN203639095U (en) * | 2013-12-23 | 2014-06-11 | 中国华冶科工集团有限公司 | Inner-side-column lifting device for reverse installation method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048317A (en) * | 2015-06-25 | 2015-11-11 | 许继集团有限公司 | On-site installation method for suspension type valve tower |
| CN111332990A (en) * | 2019-11-20 | 2020-06-26 | 中国铁建重工集团股份有限公司 | Barrel hoisting equipment |
| CN111332990B (en) * | 2019-11-20 | 2022-01-25 | 中国铁建重工集团股份有限公司 | Barrel hoisting equipment |
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| CN104555833B (en) | 2020-01-03 |
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