CN105883580A - Technology for hoisting web of girder by using rail-mounted gantry crane - Google Patents
Technology for hoisting web of girder by using rail-mounted gantry crane Download PDFInfo
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- CN105883580A CN105883580A CN201610441079.0A CN201610441079A CN105883580A CN 105883580 A CN105883580 A CN 105883580A CN 201610441079 A CN201610441079 A CN 201610441079A CN 105883580 A CN105883580 A CN 105883580A
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- hoisting
- lifting
- steel plate
- girder web
- web plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a technology for hoisting a web of a girder by using a rail-mounted gantry crane. The technology comprises the following specific steps: determination of the position of a hoisting point: selecting a suitable position of the hoisting point on the web of the girder, and welding a mounting stopper at the position of the hoisting point; preparation before hoisting: connecting the upper end of each triangular hanger to a hoisting steel wire rope by a shackle, connecting the left side and the right side of the lower end of each triangular hanger by using three shackles and then connecting the lower end of each triangular hanger to vertical lifting steel plate hoisting tongs; hoisting: slowly hoisting, staying for 10 minutes when distant from a jig frame by 200 mm, observing whether steel plates surrounding the vertical lifting steel plate hoisting tongs are abnormal or not, whether various force bearing points are abnormal or not and whether stress on the steel wire rope is uniform or not, and hoisting to a required height or overturning if abnormity does not exist; and hanger disassembling: after the whole web of the girder is welded with a box fixedly and firmly, disassembling the hangers. The technology for hoisting the web of the girder by using the rail-mounted gantry crane has the advantages that any consumption in aspects of discharging of parts, welding materials, gas consumption, flaw detection and the like is not required, and the production cost is greatly saved.
Description
Technical field
The present invention relates to a kind of track crane technical field, particularly to a kind of track crane girder web plate hoisting.
Background technology
After Slab element, casing web jigsaw, lifting needed the Slab element hanger of all kinds of specification of Numerical control cutting blanking in the past, welded and installed hanger behind position is rationally selected according to actual lifting components again by subcontractor, hanger needs to cut off after using, cut off the position of hanger also need to carry out to polish, the operation such as apply for checking and examination of detecting a flaw, a whole set of operation need to spend substantial amounts of human and material resources.
For reduce the hangers such as conventional field bridge box beam manufacturing process median ventral plate, Slab element installation, cut, repair, the program such as polishing, reduce production and operation cost, it is ensured that work progress convenient, safe efficient, the hanging method such as web, Slab element improved.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of track crane girder web plate hoisting that can save man power and material.
For solving above-mentioned technical problem, the technical scheme is that a kind of track crane girder web plate hoisting, prepare before determining hoisting point position, lifting, lift and remove suspender, complete track crane girder web plate lifting work, described in specifically comprise the following steps that
(1) hoisting point position is determined: on girder web plate, select 6 suitable hoisting point positions according to the position of centre of gravity of girder web plate, hoisting point position and girder web plate termination longest distance are no more than 2000mm, at 6 blocks of hoisting point position welded and installed, during welded and installed, avoid the installation site of dividing plate；
(2) prepare before lifting: check each lifting point, shackle, erect and hang steel plate hoisting clamp, whether steel wire ropes etc. have damage, then according to playing heavy industry Occupational standard and " safety rules for lifting appliances " (GB6067-85) installation shackle, reeve, triangular hanging tool has 3, the upper end of each triangular hanging tool is connected with lifting steel wire rope by a shackle, the left and right sides of each triangular hanging tool lower end is all connected by three shackles and hangs steel plate hoisting clamp be connected with perpendicular again, confirm whether the perpendicular safety hanging steel plate hoisting clamp lock, and check the perpendicular installation site hanging steel plate pincers whether alignment stops, ensure that block plays the effect of mousing-hook；
(3) lifting: can lift by crane after everything in readiness, when lifting, the necessary synchronous hoisting of each suspension centre, it is impermissible for component and has bigger tilt phenomenon when lifting, need to lift by crane slowly when hanging, rise and stop 10 minutes when hanging moulding bed 200mm, observe whether the perpendicular steel plate hung around steel plate hoisting clamp has abnormal conditions, whether each stress point has exception, and whether steel wire rope stress is uniform, without exception can hang up to desired height or stand up；
(4) remove suspender: after girder web plate is overall and welding box body is fixed, unclamp each perpendicular safety hanging steel plate hoisting clamp, triangular hanging tool, shackle and the perpendicular steel plate hoisting clamp that hangs are removed from lifting steel wire rope.
Further, the triangular hanging tool triangular shape in described step (2) and middle hollow out, three limits of described triangular hanging tool use channel-section steel to make, and three apex of described triangular hanging tool are welded with rebound, and the centre of described rebound offers connecting hole.
Further, the triangle interior of described triangular hanging tool is welded with many reinforcements.
Further, described perpendicular steel plate hoisting clamp clamping position and the girder web plate termination longest distance of hanging is no more than 2000mm.
It is an advantage of the current invention that:
(1) compared to welded and installed hanger, the hanging method after improvement puts into without many consumption such as the blanking of any parts, wlding, gas consumption, flaw detection, is greatly saved production cost；
(2) hanging the light instruments such as steel plate hoisting clamp by means of the triangular hanging tool cooperation designed and produced is perpendicular, can rationally select suspension centre corresponding suspender of arranging in pairs or groups, simple in construction according to difform plate, the suitability is wider；
(3) triangle interior of described triangular hanging tool is welded with many reinforcements, it is possible to triangular hanging tool plays the firm effect of reinforcement, it is ensured that construction safety；
(4) described perpendicular steel plate hoisting clamp clamping position and the girder web plate termination longest distance of hanging is no more than 2000mm, and when effectively preventing lifting web, both sides rocks.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is the hoisting structure schematic diagram of the present invention a kind of track crane girder web plate hoisting.
Fig. 2 is the structural representation of the suspender of the present invention a kind of track crane girder web plate hoisting.
Detailed description of the invention
The following examples can make professional and technical personnel that the present invention is more fully understood, but the most therefore limits the present invention among described scope of embodiments.
A kind of track crane girder web plate hoisting by main suspender have: triangular hanging tool 1, perpendicular hang steel plate hoisting clamp 2,5t shackle 3, triangular hanging tool 1 triangular shape and middle hollow out, three limits of triangular hanging tool 1 use channel-section steel 5 to make, three apex of triangular hanging tool 1 are welded with rebound 6, the centre of rebound 6 offers connecting hole, can rationally select suspension centre corresponding suspender of arranging in pairs or groups, simple in construction according to difform plate, the suitability is wider.In addition, the triangle interior of triangular hanging tool 1 is welded with many reinforcements 4, it is possible to triangular hanging tool plays the firm effect of reinforcement, it is ensured that construction safety.
As shown in Figure 1 to Figure 2, a kind of track crane girder web plate hoisting, prepare before determining hoisting point position, lifting, lift and remove suspender, complete track crane girder web plate lifting work, described in specifically comprise the following steps that
(1) hoisting point position is determined: on girder web plate, select 6 suitable hoisting point positions according to the position of centre of gravity of girder web plate, during for preventing from lifting girder web plate, both sides rocks, hoisting point position and girder web plate termination longest distance are no more than 2000mm, suspension centre should be able to bear whole load of hung object, at 6 blocks of hoisting point position welded and installed, during welded and installed, avoid the installation site of dividing plate；
(2) prepare before lifting: check each lifting point, 5t shackle 3, erect and hang steel plate hoisting clamp 2, whether steel wire ropes etc. have damage, then according to playing heavy industry Occupational standard and " safety rules for lifting appliances " (GB6067-85) installation 5t shackle 3, reeve, triangular hanging tool 1 has 3, the upper end of each triangular hanging tool 1 is connected with lifting steel wire rope by a 5t shackle 3, the left and right sides of each triangular hanging tool 1 lower end is all connected by three 5t shackles 3 and hangs steel plate hoisting clamp 2 be connected with perpendicular again, confirm whether the perpendicular safety hanging steel plate hoisting clamp 2 lock, and check the perpendicular installation site hanging steel plate pincers 2 whether alignment stops, ensure that block plays the effect of mousing-hook；
(3) lifting: can lift by crane after everything in readiness, when lifting, the necessary synchronous hoisting of each suspension centre, it is impermissible for component and has bigger tilt phenomenon when lifting, need to lift by crane slowly when hanging, rise and stop 10 minutes when hanging moulding bed 200mm, observe whether the perpendicular steel plate hung around steel plate hoisting clamp 2 has abnormal conditions, whether each stress point has exception, and whether steel wire rope stress is uniform, without exception can hang up to desired height or stand up；
(4) remove suspender: after girder web plate is overall and welding box body is fixed, unclamp each perpendicular safety hanging steel plate hoisting clamp 2, triangular hanging tool 1,5t shackle 3 and the perpendicular steel plate hoisting clamp 2 that hangs are removed from lifting steel wire rope.
A kind of track crane girder web plate hoisting flow process relative simplicity, decreases the operation that hanger is installed to cut off, reduces the structure manufacture cycle, reduce the generation of the flue dust such as welding, gas cutting simultaneously, improve Workshop Production environment to a certain extent.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (4)
1. a track crane girder web plate hoisting, it is characterised in that: through determination hoisting point position, lifting before prepare, lift and remove suspender, complete track crane girder web plate lifting work, described in specifically comprise the following steps that
(1) hoisting point position is determined: on girder web plate, select 6 suitable hoisting point positions according to the position of centre of gravity of girder web plate, hoisting point position and girder web plate termination longest distance are no more than 2000mm, at 6 blocks of hoisting point position welded and installed, during welded and installed, avoid the installation site of dividing plate；
(2) prepare before lifting: check each lifting point, shackle, erect and hang steel plate hoisting clamp, whether steel wire ropes etc. have damage, then according to playing heavy industry Occupational standard and " safety rules for lifting appliances " installation shackle, reeve, triangular hanging tool has 3, the upper end of each triangular hanging tool is connected with lifting steel wire rope by a shackle, the left and right sides of each triangular hanging tool lower end is all connected by three shackles and hangs steel plate hoisting clamp be connected with perpendicular again, confirm whether the perpendicular safety hanging steel plate hoisting clamp lock, and check the perpendicular installation site hanging steel plate pincers whether alignment stops, ensure that block plays the effect of mousing-hook；
(3) lifting: can lift by crane after everything in readiness, when lifting, the necessary synchronous hoisting of each suspension centre, it is impermissible for component and has bigger tilt phenomenon when lifting, need to lift by crane slowly when hanging, rise and stop 10 minutes when hanging moulding bed 200mm, observe whether the perpendicular steel plate hung around steel plate hoisting clamp has abnormal conditions, whether each stress point has exception, and whether steel wire rope stress is uniform, without exception can hang up to desired height or stand up；
(4) remove suspender: after girder web plate is overall and welding box body is fixed, unclamp each perpendicular safety hanging steel plate hoisting clamp, triangular hanging tool, shackle and the perpendicular steel plate hoisting clamp that hangs are removed from lifting steel wire rope.
A kind of track crane girder web plate hoisting the most according to claim 1, it is characterized in that: the triangular hanging tool triangular shape in described step (2) and middle hollow out, three limits of described triangular hanging tool use channel-section steel to make, three apex of described triangular hanging tool are welded with rebound, and the centre of described rebound offers connecting hole.
A kind of track crane girder web plate hoisting the most according to claim 1, it is characterised in that: the triangle interior of described triangular hanging tool is welded with many reinforcements.
A kind of track crane girder web plate hoisting the most according to claim 1, it is characterised in that: described perpendicular steel plate hoisting clamp clamping position and the girder web plate termination longest distance of hanging is no more than 2000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610441079.0A CN105883580B (en) | 2016-06-20 | 2016-06-20 | A kind of track crane girder web plate hoisting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610441079.0A CN105883580B (en) | 2016-06-20 | 2016-06-20 | A kind of track crane girder web plate hoisting |
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| CN105883580A true CN105883580A (en) | 2016-08-24 |
| CN105883580B CN105883580B (en) | 2019-05-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107354875A (en) * | 2017-09-06 | 2017-11-17 | 中国建筑第五工程局有限公司 | A kind of straddle-type monorail Bridge Erector |
| CN111515568A (en) * | 2020-04-21 | 2020-08-11 | 河南卫华重型机械股份有限公司 | Group welding production system of crane main beam web |
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| JP2003312979A (en) * | 2002-04-22 | 2003-11-06 | Sekisui House Ltd | Hoisting lug for panel material |
| CN102070071A (en) * | 2011-01-17 | 2011-05-25 | 化学工业岩土工程有限公司 | Steel reinforcement cage hoisting method |
| CN202152251U (en) * | 2011-07-14 | 2012-02-29 | 河南省电力公司郑州供电公司 | Electrical lifting device for shear-legs |
| CN202346570U (en) * | 2011-09-30 | 2012-07-25 | 中国华冶科工集团有限公司 | Hoisting tool for tower crane |
| CN103057661A (en) * | 2011-10-21 | 2013-04-24 | 上海江南长兴重工有限责任公司 | Whole hoisting craft of ship superstructure |
| CN103276907A (en) * | 2013-05-21 | 2013-09-04 | 中国华冶科工集团有限公司 | Hoisting method for large-span hinged type herringbone steel arch |
| CN203833462U (en) * | 2014-05-28 | 2014-09-17 | 福建省中瑞装备制造科技有限公司 | Crane lifting tool of steel plate |
| CN106088431A (en) * | 2016-08-05 | 2016-11-09 | 唐山曹妃甸二十二冶工程技术有限公司 | Laminated floor slab and laminated floor slab construction method for hanging |
-
2016
- 2016-06-20 CN CN201610441079.0A patent/CN105883580B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003312979A (en) * | 2002-04-22 | 2003-11-06 | Sekisui House Ltd | Hoisting lug for panel material |
| CN102070071A (en) * | 2011-01-17 | 2011-05-25 | 化学工业岩土工程有限公司 | Steel reinforcement cage hoisting method |
| CN202152251U (en) * | 2011-07-14 | 2012-02-29 | 河南省电力公司郑州供电公司 | Electrical lifting device for shear-legs |
| CN202346570U (en) * | 2011-09-30 | 2012-07-25 | 中国华冶科工集团有限公司 | Hoisting tool for tower crane |
| CN103057661A (en) * | 2011-10-21 | 2013-04-24 | 上海江南长兴重工有限责任公司 | Whole hoisting craft of ship superstructure |
| CN103276907A (en) * | 2013-05-21 | 2013-09-04 | 中国华冶科工集团有限公司 | Hoisting method for large-span hinged type herringbone steel arch |
| CN203833462U (en) * | 2014-05-28 | 2014-09-17 | 福建省中瑞装备制造科技有限公司 | Crane lifting tool of steel plate |
| CN106088431A (en) * | 2016-08-05 | 2016-11-09 | 唐山曹妃甸二十二冶工程技术有限公司 | Laminated floor slab and laminated floor slab construction method for hanging |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107354875A (en) * | 2017-09-06 | 2017-11-17 | 中国建筑第五工程局有限公司 | A kind of straddle-type monorail Bridge Erector |
| CN111515568A (en) * | 2020-04-21 | 2020-08-11 | 河南卫华重型机械股份有限公司 | Group welding production system of crane main beam web |
| CN111515568B (en) * | 2020-04-21 | 2022-03-25 | 河南卫华重型机械股份有限公司 | Pairing and welding production system for main beam web of crane |
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| Publication number | Publication date |
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| CN105883580B (en) | 2019-05-10 |
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Effective date of registration: 20170605 Address after: The 226000 farm of Jiangsu province Nantong Development Zone Riverview Road No. 1 Applicant after: Nantong Zhenhua Heavy Equipment Manufacturing Co., Ltd. Address before: 226000 Jiangsu city of Nantong province Nantong Zhenhua Road Development Zone No. 1 Applicant before: Shanghai Zhenhua Heavy Industry Group (Nantong) Co., Ltd. |
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