CN105152032A - Installing method for bridge crane in enclosed environment workshop - Google Patents
Installing method for bridge crane in enclosed environment workshop Download PDFInfo
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- CN105152032A CN105152032A CN201510567179.3A CN201510567179A CN105152032A CN 105152032 A CN105152032 A CN 105152032A CN 201510567179 A CN201510567179 A CN 201510567179A CN 105152032 A CN105152032 A CN 105152032A
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Abstract
The invention discloses an installing method for a bridge crane in an enclosed environment workshop, and belongs to the technical field of hoisting device installing. The installing method includes the steps that a crane beam rail in the original workshop is retested, and a main beam supporting frame used for containing and assembling a main beam is manufactured; devices on the main beam are assembled through an auxiliary crane, the main beam is hoisted through a large crane, after the main beam is installed, end beams of the main beam are not connected, two large cranes are located on the two sides of the end beams, and hoisting lugs of two truck-mounted cranes are arranged at the ends of a main trolley; after the main trolley is evenly hoisted to be in place, assembling is carried out; and installing of the main beam bridge crane is completed. According to the installing method, the requirement for a site in the workshop is not high, the roof of the workshop does not need to be dismantled, the large crane is not used, ground assembling is rapid, hoisting is once achieved, the working efficiency is high, and the upper-air operational quantity is small; and the installing method has the beneficial effects that the practical hoisting time is short, the practicability is high, and the like.
Description
Technical field
The invention belongs to weight-lifting equipment field engineering field, to be specifically related in a kind of enclosed environment factory building crane in bridge type across interior assembling, unit and double-machine lifting crane method installation method.
Background technology
At present, the patent documentation that relevant crane in bridge type is installed mainly contains: " crane constant lifting and hanging force pre-leveling lifts method " (CN101734556A), and it is mainly by the horizontal surface of weight center of gravity during hoisted in position, arrange three suspension centres with weight table body intersection place; First by suspension centre plane furnishing level when lifting starts, Synchronous lifting or revolution under crane vertical lifting afterwards, until lift in place by weight; In addition as " beam hangs method and installs the method for crane in bridge type and the purposes of the method " (CN102267664B), it mainly arranges suspension centre on factory building roof beam, and crane component part field ground is assembled and utilized winch and special hoisting gib head lifting crane in bridge type.Relevant under enclosed environment in factory building crane in bridge type have no bibliographical information across interior assembling, unit and double-machine lifting crane method installation method.
Society is in development, and industrial technology is in upgrading, and enterprise wants larger development, must be optimized upgrading, cause output to increase, need increase weight-lifting equipment existing production distribution; And intrinsic mill construction can not carry out man-made further destroy, installation exercise must be carried out in factory building; In original factory building, carry out crane in bridge type installation, giant caterpillar hoisting machine tool cannot be put its many factors such as the function applied and effect to good use and be caused the difficulty that crane in bridge type is installed under enclosed environment to strengthen.
Summary of the invention
The present invention is directed to the defect that prior art exists, the installation method of crane in bridge type in factory building under a kind of enclosed environment is provided, to solve under enclosed environment progress, precision, safety and the quality problems in the i.e. medium-and-large-sized crane in bridge type installation process of technology innovation project.
In enclosed environment factory building provided by the present invention, the installation method concrete steps of crane in bridge type are as follows:
(1) construction preparation:
A: carry out secondary repetition measurement to the crane beam track of original factory building, ensures to meet driving installation requirement.
B: lifting ground site clearing, guarantee equipment march into the arena after deposit the erect-position after marching into the arena with Large-scale Hoisting facility and lifting, recruitment facility are installed and are also up to the standards effectively.
C: make girder bracing frame in advance, bracing frame height 1 meter, width 2.5 meters, to ensure that girder is deposited and assembles use.
(2) girder assembling:
Girder is made up of electrical equipment in beam body, equilibrium arm, platform, stair, railing, end carriage and beam, girder is placed on described girder bracing frame after marching into the arena, be beneficial to the installation of cleading below girder, the position of described girder bracing frame is in girder 1/3 Along ent place, utilizes whipline to carry out assembled to the equipment on described girder; Described girder requires to be arranged on factory building inner prop both sides, to ensure the use of the erect-position of large-scale crane.
(3) main cable and girder:
After girder assembling, utilize a goliath to lift described girder respectively, after in main cable and girder to steel structure crane beam track, separately described girder, requires temporarily not connect, ensures that girder is in steel structure crane beam track both sides.
(4) main carriage lifting:
The feature of main carriage is erected on girder, and length and width size is long, weight large, as adopted single crane hoisting, original factory building roof height affect the stretching, extension of hoisting machine tool armed lever and hoisting machine tool and main carriage are collided kelly, can only adopt and share stressed lifting; After erection of main beam completes, girder end carriage does not connect, utilize two goliath erect-positions in end carriage both sides, two wheel crane hangers are arranged on main carriage end, and wheel crane selects same brand, same model as far as possible, and to ensure lifting, speed is consistent; Until main carriage evenly lift put in place after close up girder, the slow dropping place of main carriage, on the track of girder, regulates the position of both sides girder in process in place, make girder be in immediately below main carriage, and rear wheel crane in place reclaims armed lever, completes the installation of described crane in bridge type.
Main cable and girder in described step (3) is independent hoisted in position during four main cable and girder, and lift every two panels girder after to steel structure crane beam and be combined into relatively independent entirety, girder can freely move around.
The purposes of the inventive method is the application increasing the installation of ultra-large type crane in bridge type in old factory building.The inventive method has following technical characterstic compared with the conventional mounting arrangements of crane in bridge type:
(1) avoid causing any damage to the structure of original steel-structure factory building, do not affect normal rhythm of production, ensure the orderly linking of production and construction.
(2) save time, reduce security risk, ground is fast easy to assembly, effectively improves erection schedule and setting accuracy, reduces aloft work.
(3) investment reduction cost, one is do not remove mill construction, causes secondary to remove and installs; Two is reduce the duration, and total expenses reduces.
To sum up the present invention is less demanding to place in factory building, does not need to remove factory building roof, does not use large-scale crane, and ground assembling is quick, once lifts, and improve operating efficiency, amount of high-altitude operation is few; Piece weight is large, and old-fashioned installation method cannot be in place; The actual lifting time is short, practical.
Accompanying drawing explanation
Fig. 1: girder support frame structure schematic diagram of the present invention;
Fig. 2: main cable and girder schematic diagram of the present invention;
Fig. 3: double-machine lifting crane floor plan schematic diagram of the present invention.
In figure: 1: diagonal ligament; 2: cross sill; 3: entablatrance; 4: tie bolt; 5: girder; 6: wheel crane; 7: owner's beam fabricate block; 8: western girder fabricate block; 9: main carriage.
Detailed description of the invention
Crane in bridge type installation method in factory building under enclosed environment provided by the invention utilizes the installation method that unit (wheel crane) lifts all major-minor beams, main carriage utilizes two wheel cranes to lift, and beam hangs the method that method installs crane in bridge type.Specifically carry out according to the following step:
Step one: construction preparation:
1. carry out secondary repetition measurement to the crane beam track of original factory building, driving beam orbit is through the sedimentation of long-term operation and ground in technological transformation factory building, must carry out repetition measurement in a pre-installation, with satisfied driving installation requirement to factory building crane beam track.The requirement of repetition measurement is gauge deviation ± 2mm, difference of height 1mm;
2. lift ground site clearing, guarantee equipment march into the arena after deposit the erect-position after marching into the arena with Large-scale Hoisting facility and lifting; Recruitment facility are installed to be up to the standards and effectively;
3. make girder bracing frame (see Fig. 1), girder bracing frame height 1 meter, width 2.5 meters, to ensure that girder is deposited and assembles use; It comprises tilted supporter 1, cross sill 2, entablatrance 3 form.Wherein tilted supporter 1 is steel welding fitting, and tilted supporter 1 both sides are the welding of H200 shaped steel, and centre is drawn to establish by 14# channel-section steel and formed, and welded as top board by 20mm steel plate above tilted supporter 1, this tilted supporter 1 is made up of two panels; Cross sill 2 is made up of single 20# channel-section steel, and cross sill 2 plays the effect connecting tilted supporter 1; Entablatrance 3 is single H350 shaped steel composition, and adopt tie bolt 4 fastening between entablatrance 3 and tilted supporter 1, this girder bracing frame can regulate according to the width size of equipment girder; Be placed on lifting both sides, region after described girder bracing frame completes, the spacing of described girder bracing frame is placed according to the length trisection of girder, to ensure the stability that girder is placed.
Step 2: girder is assembled:
Girder is made up of electrical equipment in beam body, equilibrium arm, platform, stair, railing, end carriage and beam, and girder is placed on bracing frame after marching into the arena, and utilizes whipline assembled to the equipment on girder; The placement of girder requires to be arranged on factory building inner prop both sides, to ensure the use of the erect-position of large-scale crane;
Step 3: main cable and girder:
After girder assembling, utilize a large automobile crane to lift respectively four girders respectively, main cable and girder selects 400 tons of wheel cranes, arm bar: 36m, radius of turn: 8m, crane capacity: 113t; Bar is vertically high 37.1 meters, meets and is not more than factory building height 45m requirement;
Step 4: main carriage lifts:
Before main carriage lifting, by four girders lifted, every two panels girder is combined into owner's beam fabricate block 7 and western girder fabricate block 8 two kinds of fabricate blocks, separate owner's beam fabricate block 7 and western girder fabricate block 8 after having combined, owner's beam fabricate block 7 and western girder fabricate block 8 rank the both sides of main carriage 9 respectively; The feature of main carriage is erected on girder, and length and width size is long, weight large, as adopted single crane hoisting, original factory building roof height affect the stretching, extension of hoisting machine tool armed lever and hoisting machine tool and main carriage are collided kelly, can only adopt and share stressed lifting; Utilize two goliath erect-positions in end carriage both sides, two wheel crane hangers are arranged on the end of main carriage 9, and wheel crane selects same brand, same model as far as possible, and to ensure lifting, speed is consistent; After the even lifting of main carriage 9 puts in place, utilize winch to close up owner's beam fabricate block 7 and western girder fabricate block 8, main carriage 9 slowly dropping place on the track of owner's beam fabricate block 7 and western girder fabricate block 8, in process in place, main carriage 9 is only elevated, elevator is utilized to regulate the position of owner's beam fabricate block 7 and western girder fabricate block 8, it is made to be in immediately below main carriage 9, rear wheel crane in place reclaims armed lever, completes the installation of described crane in bridge type.
Claims (3)
1. the installation method of crane in bridge type in enclosed environment factory building, is characterized in that these installation method concrete steps are as follows:
(1) construction preparation:
A: carry out secondary repetition measurement to the crane beam track of original factory building, ensures to meet driving installation requirement;
B: lifting ground site clearing, guarantee equipment march into the arena after deposit the erect-position after marching into the arena with Large-scale Hoisting facility and lifting, recruitment facility are installed and are also up to the standards effectively;
C: make girder bracing frame in advance, bracing frame height 1 meter, width 2.5 meters, to ensure that girder is deposited and assembles use;
(2) girder assembling:
Girder is made up of electrical equipment in beam body, equilibrium arm, platform, stair, railing, end carriage and beam, girder is placed on described girder bracing frame after marching into the arena, be beneficial to the installation of cleading below girder, the position of described girder bracing frame is in girder 1/3 Along ent place, utilizes whipline to carry out assembled to the equipment on girder; Girder requires to be arranged on factory building inner prop both sides, to ensure the use of the erect-position of large-scale crane;
(3) main cable and girder:
After girder assembling, utilize a goliath to lift girder respectively, after in main cable and girder to steel structure crane beam track, separately girder, requires temporarily not connect, ensures that girder is in steel structure crane beam track both sides;
(4) main carriage lifting:
After erection of main beam completes, girder end carriage does not connect, utilize two goliath erect-positions in end carriage both sides, two wheel crane hangers are arranged on main carriage end, until main carriage evenly lift put in place after close up girder, the slow dropping place of main carriage is on the track of girder, the position of both sides girder is regulated in process in place, make girder be in immediately below main carriage, rear wheel crane in place reclaims armed lever, completes the installation of described crane in bridge type.
2. the installation method of crane in bridge type in enclosed environment factory building according to claim 1, is characterized in that described girder bracing frame comprises tilted supporter, cross sill and entablatrance; Wherein tilted supporter is steel welding fitting, and tilted supporter both sides are the welding of H200 shaped steel, and centre is drawn to establish to form above tilted supporter by 14# channel-section steel and welded as top board by 20mm steel plate, and this tilted supporter is made up of two panels; Cross sill is made up of single 20# channel-section steel, and cross sill plays and connects the effect of two panels tilted supporter; Entablatrance is single H350 shaped steel composition, and adopt tie bolt fastening between entablatrance and tilted supporter, described girder bracing frame can according to the width size adjustment of girder; Be placed on lifting both sides, region after described girder bracing frame completes, the spacing of described girder bracing frame is placed according to the length trisection of girder, to ensure the stability that girder is placed.
3. the installation method of crane in bridge type in enclosed environment factory building according to claim 1, it is characterized in that described step (3) is specific as follows: after girder assembling, a large automobile crane is utilized to lift respectively four girders respectively, it is independent hoisted in position during four main cable and girder, lifting rear every two panels girder to steel structure crane beam is combined into relatively independent entirety, and girder can freely move around.
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| CN201510567179.3A CN105152032A (en) | 2015-09-08 | 2015-09-08 | Installing method for bridge crane in enclosed environment workshop |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565175A (en) * | 2016-03-08 | 2016-05-11 | 中冶建工集团有限公司 | Installation method for large bridge crane |
| CN106744246A (en) * | 2017-01-03 | 2017-05-31 | 中国十七冶集团有限公司 | A kind of low-temperature multi-effect devaporizer hanging method |
| CN107792788A (en) * | 2017-10-20 | 2018-03-13 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Overhead traveling crane reductor, reel hanging method in a kind of metallurgy workshop |
| CN108518083A (en) * | 2018-03-27 | 2018-09-11 | 五冶集团上海有限公司 | The Demolition Construction method of main sintering building |
| CN109626224A (en) * | 2018-11-29 | 2019-04-16 | 上海市基础工程集团有限公司 | Bridge crane peace dismounting construction method in the confined space |
| CN110104564A (en) * | 2018-12-18 | 2019-08-09 | 南通振华重型装备制造有限公司 | A kind of bridge crane total coating process |
| CN110512910A (en) * | 2019-08-30 | 2019-11-29 | 中国十七冶集团有限公司 | A kind of steel-making main building height integrally increases installation method across steel construction |
| CN110550558A (en) * | 2018-05-31 | 2019-12-10 | 中国二十冶集团有限公司 | loading and unloading method for bridge crane used in roof sealing |
| CN110902573A (en) * | 2019-11-01 | 2020-03-24 | 上海宝冶集团有限公司 | Off-line installation method of cast metallurgy four-beam bridge crane |
| CN111028102A (en) * | 2019-11-06 | 2020-04-17 | 中国二十冶集团有限公司 | Construction method for hoisting main motor of rolling mill by using two adjacent straddle cranes |
| CN112249915A (en) * | 2020-09-27 | 2021-01-22 | 上海宝冶集团有限公司 | Large bridge crane hoisting method for closed occasions of factory buildings |
| CN114057089A (en) * | 2021-11-05 | 2022-02-18 | 上海二十冶建设有限公司 | Combined hoisting method for large air compressor in limited space |
| CN114873470A (en) * | 2022-05-23 | 2022-08-09 | 中国十七冶集团有限公司 | Method for hoisting four-beam bridge crane in factory building |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565175A (en) * | 2016-03-08 | 2016-05-11 | 中冶建工集团有限公司 | Installation method for large bridge crane |
| CN106744246A (en) * | 2017-01-03 | 2017-05-31 | 中国十七冶集团有限公司 | A kind of low-temperature multi-effect devaporizer hanging method |
| CN107792788A (en) * | 2017-10-20 | 2018-03-13 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Overhead traveling crane reductor, reel hanging method in a kind of metallurgy workshop |
| CN108518083B (en) * | 2018-03-27 | 2020-09-11 | 五冶集团上海有限公司 | Dismantling construction method of sintering main workshop |
| CN108518083A (en) * | 2018-03-27 | 2018-09-11 | 五冶集团上海有限公司 | The Demolition Construction method of main sintering building |
| CN110550558A (en) * | 2018-05-31 | 2019-12-10 | 中国二十冶集团有限公司 | loading and unloading method for bridge crane used in roof sealing |
| CN109626224A (en) * | 2018-11-29 | 2019-04-16 | 上海市基础工程集团有限公司 | Bridge crane peace dismounting construction method in the confined space |
| CN110104564A (en) * | 2018-12-18 | 2019-08-09 | 南通振华重型装备制造有限公司 | A kind of bridge crane total coating process |
| CN110512910A (en) * | 2019-08-30 | 2019-11-29 | 中国十七冶集团有限公司 | A kind of steel-making main building height integrally increases installation method across steel construction |
| CN110902573A (en) * | 2019-11-01 | 2020-03-24 | 上海宝冶集团有限公司 | Off-line installation method of cast metallurgy four-beam bridge crane |
| CN111028102A (en) * | 2019-11-06 | 2020-04-17 | 中国二十冶集团有限公司 | Construction method for hoisting main motor of rolling mill by using two adjacent straddle cranes |
| CN111028102B (en) * | 2019-11-06 | 2023-04-07 | 中国二十冶集团有限公司 | Construction method for hoisting main motor of rolling mill by using two adjacent straddle cranes |
| CN112249915A (en) * | 2020-09-27 | 2021-01-22 | 上海宝冶集团有限公司 | Large bridge crane hoisting method for closed occasions of factory buildings |
| CN114057089A (en) * | 2021-11-05 | 2022-02-18 | 上海二十冶建设有限公司 | Combined hoisting method for large air compressor in limited space |
| CN114873470A (en) * | 2022-05-23 | 2022-08-09 | 中国十七冶集团有限公司 | Method for hoisting four-beam bridge crane in factory building |
| CN114873470B (en) * | 2022-05-23 | 2024-05-28 | 中国十七冶集团有限公司 | Method for hoisting in four-beam bridge crane factory building |
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Application publication date: 20151216 |