CN112942852A - Hoisting method for large-span steel structure - Google Patents
Hoisting method for large-span steel structure Download PDFInfo
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- CN112942852A CN112942852A CN202110109053.7A CN202110109053A CN112942852A CN 112942852 A CN112942852 A CN 112942852A CN 202110109053 A CN202110109053 A CN 202110109053A CN 112942852 A CN112942852 A CN 112942852A
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- hoisting
- rope
- bottom plate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a large-span steel structure hoisting method, and relates to the field of steel structure hoisting. The hoisting method based on the large-span steel structure comprises a hoisting device, wherein the hoisting device comprises a connecting frame, limiting blocks are fixedly connected to the positions, close to the top, of symmetrical side walls in the connecting frame, a first mounting groove is formed in the outer side wall of the connecting frame, and the first mounting groove is communicated with the two limiting blocks. The hoisting device is arranged, the steel structural member is placed on the top of the placing bottom plate through the building crane and the connecting frame, the placing bottom plate is fastened through the fastening rope to complete the fixation of the steel structural member, the supporting frame is connected with the placing bottom plate through the connecting rope, the building crane is started to perform a hoisting task, and after the installation is completed, the dismounting task is completed by dismounting the buckle, so that the construction is rapid, the construction efficiency is improved, and the operation of the single building crane is simple; meanwhile, the hoisting cost is greatly reduced by the single-building crane and the high-efficiency work.
Description
Technical Field
The invention relates to the technical field of steel structure hoisting, in particular to a large-span steel structure hoisting method.
Background
The large-span three-hinged arch steel structure roof truss and the matched raking machine are widely applied to projects such as domestic power plants, chemical fertilizer plants, cement plants, storage and the like. The structure has the characteristics of top hinge connection, high top hinge, large span, steep roof, more components, high requirements on manufacturing and mounting precision and the like, and is high in construction difficulty.
When the applicant applies the invention, through search, the inventor finds that a Chinese patent discloses a large-span steel structure hoisting method, the application number of which is '201510432274.2', the patent reduces a large amount of temporary scaffolds to be erected in the construction process of a steel structure roof truss, and simultaneously greatly reduces aloft work; the space of the field is fully utilized, and the method is convenient and quick; in the hoisting of the indoor raking machine with the similar structure form, the roof top cover does not need to be reserved or dismantled, and a scaffold does not need to be erected, so that the benefit is remarkable; the tonnage of the hoisting machinery is small, the construction can be met even in resource-deficient areas, and the hoisting machinery is easy to popularize, but a multi-machine station is adopted, namely 3 automobile cranes are selected for station, the working range of the automobile cranes is limited, the middle-high altitude hoisting task cannot be carried out, and meanwhile, the use of a plurality of automobile cranes has higher requirements on the technology and the matching of operators, so that accidents are easily caused; meanwhile, the steel structural member is in a rope system, and is not easy to detach due to the fact that the steel structural member needs to be fastened, construction time is long, and efficiency is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a large-span steel structure hoisting method, which solves the problems of high steel structure hoisting cost, high technical requirement and long construction time.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a hoisting method for a large-span steel structure comprises a hoisting device, wherein the hoisting device comprises a connecting frame, limiting blocks are fixedly connected to the positions, close to the top, of symmetrical side walls in the connecting frame, a first mounting groove is formed in the outer side wall of the connecting frame, and the first mounting groove is communicated with the two limiting blocks;
the bottom of the connecting frame is fixedly connected with a supporting frame, a plurality of first connecting lugs are uniformly and fixedly connected to the symmetrical side walls of the supporting frame, a second mounting groove is formed in the center of the top of the supporting frame, and the second mounting groove is communicated with the first mounting groove;
a placing bottom plate is arranged at the bottom of the supporting frame in a matched mode, a plurality of second connecting lugs are uniformly and fixedly connected to the symmetrical side walls of the placing bottom plate, and a plurality of third connecting lugs are uniformly and fixedly connected to the symmetrical side walls of the placing bottom plate;
it is a plurality of first engaging lug and a plurality of second engaging lug position one-to-one, and a plurality of first engaging lugs and a plurality of second engaging lug pass through connecting cable joint and connect, and are a plurality of the third engaging lug passes through fastening cable joint and connects.
Preferably, the placing bottom plate is arranged in a nanometer rubber mode.
Preferably, the connecting rope comprises a connecting rope, and the end surfaces of the connecting rope are respectively and fixedly connected with a first buckle.
Preferably, the fastening rope comprises a spring rope, and the end surfaces of the spring rope are fixedly connected with second buckles respectively.
Preferably, the hoisting method comprises the following steps:
s 1: construction preparation, namely transporting the steel structural member which is manufactured in sections to a construction site, checking and accepting the structural member according to a checking and accepting standard, and unloading and stacking;
s 2: the construction crane is in place, and the crane head falls to the position of the steel structural member by starting the construction crane;
s 3: the hoisting is initially installed, the rope is installed and clamped along a first installation groove of the connecting frame, namely the connecting frame and the limiting block clamp the hoisting head;
s 4: mounting after hoisting, namely placing the steel structural member on the top of the placing bottom plate, fastening the placing bottom plate through a fastening cable to complete the fixation of the steel structural member, and connecting the support frame with the placing bottom plate through a connecting cable;
s 5: hoisting detection, namely starting a building crane, lifting the steel structural part to 80-150 cm, stopping the building crane for inspection, and observing whether the steel structural part and the device are inclined and whether the connecting cable and the fastening cable are clamped tightly;
s 6: hoisting and installing, starting a building crane, transporting the steel structural member to an installation position, performing an installation task, and after the installation is finished, releasing the buckle to finish the releasing work of the device;
s 7: and (5) repeating the steps s4-s6 until the installation work of all the steel structural parts is completed.
Preferably, in step s5, if the steel structural member and the device are observed to be inclined, the construction hoist is started to release the device to the ground, and the adjustment is performed to ensure that the inclination angle is less than 8 °.
Preferably, in step s5, if the connecting cable and the fastening cable are not clamped, the construction hoist is started to release the device back to the ground, the adjustment is performed to ensure the safety of the installation of the device, and the task of step 5 is continued.
The working principle is as follows: the hoisting method comprises the following steps: construction preparation, namely transporting the steel structural member which is manufactured in sections to a construction site, checking and accepting the structural member according to a checking and accepting standard, and unloading and stacking; the construction crane is in place, and the crane head falls to the position of the steel structural member by starting the construction crane; the hoisting is initially installed, and the rope is installed and clamped along a first installation groove 12 of the connecting frame 1, namely the connecting frame 1 and the limiting block 11 clamp the hoisting head; mounting after hoisting, namely placing a steel structural member on the top of the placing bottom plate 3, fastening the placing bottom plate 3 through a fastening rope 5 to finish fixing the steel structural member, and connecting the support frame 2 with the placing bottom plate 3 through a connecting rope 4; hoisting detection, namely starting a building crane, lifting the steel structural part to 80-150 cm, stopping the building crane for inspection, and observing whether the steel structural part and the device are inclined and whether the connecting cable 4 and the fastening cable 5 are clamped tightly; and hoisting and installing, starting the building crane, transporting the steel structural member to an installation position, performing an installation task, and after the installation is finished, unfastening the buckle to finish the release work of the device. If the steel structural member and the device are observed to incline, the building crane is started, the device is released to the ground, and the inclination angle is ensured to be smaller than 8 degrees. If the connecting cable 4 and the fastening cable 5 are not clamped tightly, the construction crane is started to release the device to the ground for adjustment, so that the installation safety of the device is ensured.
(III) advantageous effects
The invention provides a hoisting method for a large-span steel structure. The method has the following beneficial effects:
the invention provides a large-span steel structure hoisting method, which is provided with a hoisting device, wherein the hoisting device is installed through a building crane and a connecting frame, a steel structural part is placed at the top of a placing bottom plate, the placing bottom plate is fastened through a fastening cable, the steel structural part is fixed, a supporting frame is connected with the placing bottom plate through a connecting cable, the building crane is started to carry out a hoisting task, and after the installation is finished, a dismounting task is finished by dismounting a buckle, so that the construction is rapid, the construction efficiency is improved, the operation of a single building crane is simple; meanwhile, the hoisting cost is greatly reduced by the single-building crane and the high-efficiency work.
Drawings
FIG. 1 is a schematic structural diagram of a hoisting device for a large-span steel structure hoisting method provided by the invention;
FIG. 2 is a cross-sectional view of a connecting frame of a large-span steel structure hoisting method provided by the invention;
FIG. 3 is a top view of a connecting frame of a hoisting method for a large-span steel structure provided by the invention;
FIG. 4 is a top view of the support frame of the hoisting method for a large-span steel structure provided by the invention;
FIG. 5 is a top view of a placing bottom plate of the hoisting method for a large-span steel structure provided by the invention;
FIG. 6 is a schematic structural diagram of a connecting cable of the hoisting method for a large-span steel structure provided by the invention;
FIG. 7 is a schematic structural diagram of a fastening cable of the hoisting method for a large-span steel structure.
Wherein, 1, connecting frame; 11. a limiting block; 12. a first mounting groove; 2. a support frame; 21. a first connecting lug; 22. a second mounting groove; 3. placing a bottom plate; 31. a second engaging lug; 32. a third engaging lug; 4. a connecting cable; 41. a first buckle; 42. connecting ropes; 5. fastening a cable; 51. a second buckle; 52. a spring rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-7, an embodiment of the invention provides a hoisting method for a large-span steel structure, which includes a hoisting device, wherein the hoisting device includes a connecting frame 1, limiting blocks 11 are fixedly connected to positions, close to the top, of symmetrical side walls in the connecting frame 1, a first mounting groove 12 is formed in the outer side wall of the connecting frame 1, and the first mounting groove 12 is communicated with the two limiting blocks 11;
the bottom of the connecting frame 1 is fixedly connected with a supporting frame 2, the symmetrical side walls of the supporting frame 2 are uniformly and fixedly connected with a plurality of first connecting lugs 21, the center of the top of the supporting frame 2 is provided with a second mounting groove 22, and the second mounting groove 22 is communicated with the first mounting groove 12;
the bottom of the support frame 2 is provided with a placing bottom plate 3 in a matching way, the symmetrical side walls of the placing bottom plate 3 are uniformly and fixedly connected with a plurality of second connecting lugs 31, and the symmetrical side walls of the placing bottom plate 3 are uniformly and fixedly connected with a plurality of third connecting lugs 32;
the positions of the first connecting lugs 21 correspond to the positions of the second connecting lugs 31 one by one, the first connecting lugs 21 are connected with the second connecting lugs 31 in a clamping mode through the connecting ropes 4, and the third connecting lugs 32 are connected in a clamping mode through the fastening ropes 5.
The placing bottom plate 3 is arranged in a nanometer rubber mode.
The connecting rope 4 comprises a connecting rope 42, and the end surfaces of the connecting rope 42 are fixedly connected with first buckles 41 respectively.
The fastening rope 5 comprises a spring rope 52, and the end surfaces of the spring rope 52 are fixedly connected with second buckles 51 respectively.
The hoisting method comprises the following steps:
s 1: construction preparation, namely transporting the steel structural member which is manufactured in sections to a construction site, checking and accepting the structural member according to a checking and accepting standard, and unloading and stacking;
s 2: the construction crane is in place, and the crane head falls to the position of the steel structural member by starting the construction crane;
s 3: the hoisting is initially installed, and the rope is installed and clamped along a first installation groove 12 of the connecting frame 1, namely the connecting frame 1 and the limiting block 11 clamp the hoisting head;
s 4: mounting after hoisting, namely placing a steel structural member on the top of the placing bottom plate 3, fastening the placing bottom plate 3 through a fastening rope 5 to finish fixing the steel structural member, and connecting the support frame 2 with the placing bottom plate 3 through a connecting rope 4;
s 5: hoisting detection, namely starting a building crane, lifting the steel structural part to 80-150 cm, stopping the building crane for inspection, and observing whether the steel structural part and the device are inclined and whether the connecting cable 4 and the fastening cable 5 are clamped tightly;
s 6: hoisting and installing, starting a building crane, transporting the steel structural member to an installation position, performing an installation task, and after the installation is finished, releasing the buckle to finish the releasing work of the device;
s 7: and (5) repeating the steps s4-s6 until the installation work of all the steel structural parts is completed.
And step s5, if the steel structural member and the device are observed to incline, starting the construction crane, releasing the device to the ground, and adjusting to ensure that the inclination angle is less than 8 degrees.
Step s5, if the connecting cable 4 and the fastening cable 5 are not clamped tightly, starting the construction crane, releasing the device to the ground, adjusting to ensure the installation safety of the device, and continuing the task of step 5;
the hoisting device is arranged, the steel structure is placed on the top of the placing bottom plate 3 through the building crane and the connecting frame 1, the placing bottom plate 3 is fastened through the fastening rope 5, the steel structure is fixed, the supporting frame 2 is connected with the placing bottom plate 3 through the connecting rope 4, the building crane is started to perform a hoisting task, after the installation is completed, the buckle is dismounted, the dismounting task is completed, the construction is rapid, the construction efficiency is improved, the operation of the single building crane is simple; meanwhile, the hoisting cost is greatly reduced by the single-building crane and the high-efficiency work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A hoisting method for a large-span steel structure is characterized by comprising the following steps: the hoisting device comprises a connecting frame (1), limiting blocks (11) are fixedly connected to the positions, close to the top, of the symmetrical side walls in the connecting frame (1), a first mounting groove (12) is formed in the outer side wall of the connecting frame (1), and the first mounting groove (12) is communicated with the two limiting blocks (11);
the bottom of the connecting frame (1) is fixedly connected with a supporting frame (2), a plurality of first connecting lugs (21) are uniformly and fixedly connected to the symmetrical side walls of the supporting frame (2), a second mounting groove (22) is formed in the center of the top of the supporting frame (2), and the second mounting groove (22) is communicated with the first mounting groove (12);
a placing bottom plate (3) is arranged at the bottom of the supporting frame (2) in a matched manner, a plurality of second connecting lugs (31) are uniformly and fixedly connected to the symmetrical side walls of the placing bottom plate (3), and a plurality of third connecting lugs (32) are uniformly and fixedly connected to the symmetrical side walls of the placing bottom plate (3);
the positions of the first connecting lugs (21) and the second connecting lugs (31) are in one-to-one correspondence, the first connecting lugs (21) and the second connecting lugs (31) are connected through a connecting rope (4) in a clamping mode, and the third connecting lugs (32) are connected through a fastening rope (5) in a clamping mode.
2. The hoisting method for the large-span steel structure according to claim 1, characterized in that: the placing bottom plate (3) is arranged in a nanometer rubber mode.
3. The hoisting method for the large-span steel structure according to claim 1, characterized in that: the connecting rope (4) comprises a connecting rope (42), and the end faces of the connecting rope (42) are respectively and fixedly connected with first buckles (41).
4. The hoisting method for the large-span steel structure according to claim 1, characterized in that: the fastening rope (5) comprises a spring rope (52), and the end faces of the spring rope (52) are fixedly connected with second buckles (51) respectively.
5. The hoisting method for the large-span steel structure according to claim 1, characterized in that: the hoisting method comprises the following steps:
s 1: construction preparation, namely transporting the steel structural member which is manufactured in sections to a construction site, checking and accepting the structural member according to a checking and accepting standard, and unloading and stacking;
s 2: the construction crane is in place, and the crane head falls to the position of the steel structural member by starting the construction crane;
s 3: the hoisting is initially installed, a rope is installed and clamped along a first installation groove (12) of the connecting frame (1), namely, the connecting frame (1) and the limiting block (11) clamp the hoisting head;
s 4: the steel structural member is placed on the top of the placing bottom plate (3) after hoisting and final installation, the placing bottom plate (3) is fastened through a fastening rope (5) to complete the fixation of the steel structural member, and the support frame (2) is connected with the placing bottom plate (3) through a connecting rope (4);
s 5: hoisting detection, namely starting a building crane, lifting the steel structural part to 80-150 cm, stopping the building crane for inspection, and observing whether the steel structural part and the device are inclined and whether the connecting cable (4) and the fastening cable (5) are clamped tightly;
s 6: hoisting and installing, starting a building crane, transporting the steel structural member to an installation position, performing an installation task, and after the installation is finished, releasing the buckle to finish the releasing work of the device;
s 7: and (5) repeating the steps s4-s6 until the installation work of all the steel structural parts is completed.
6. The hoisting method for the large-span steel structure according to claim 5, wherein the hoisting method comprises the following steps: and step s5, if the steel structural member and the device are observed to incline, starting the construction crane, releasing the device to the ground, and adjusting to ensure that the inclination angle is less than 8 degrees.
7. The hoisting method for the large-span steel structure according to claim 5, wherein the hoisting method comprises the following steps: and step s5, if the connecting cable (4) and the fastening cable (5) are not clamped, starting the construction crane, releasing the device to the ground, adjusting to ensure the installation safety of the device, and continuing the task of step 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109053.7A CN112942852A (en) | 2021-01-27 | 2021-01-27 | Hoisting method for large-span steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109053.7A CN112942852A (en) | 2021-01-27 | 2021-01-27 | Hoisting method for large-span steel structure |
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| CN112942852A true CN112942852A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110109053.7A Pending CN112942852A (en) | 2021-01-27 | 2021-01-27 | Hoisting method for large-span steel structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439247A (en) * | 2022-03-10 | 2022-05-06 | 安徽伟宏钢结构集团股份有限公司 | Large-span large-breadth suspended ceiling moving construction method |
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| DE102004059555B3 (en) * | 2004-12-10 | 2006-08-03 | Adam Opel Ag | transport device |
| CN103145028A (en) * | 2013-01-22 | 2013-06-12 | 浙江武精机器制造有限公司 | Well type furnace hanging tool |
| CN206142653U (en) * | 2016-10-19 | 2017-05-03 | 河北建设集团有限公司 | Light -duty panel hoist and mount shoulder pole |
| CN207497895U (en) * | 2017-11-03 | 2018-06-15 | 林惠玲 | Use steel carrier to a kind of construction |
| CN208218188U (en) * | 2018-04-05 | 2018-12-11 | 南京高传机电自动控制设备有限公司 | A kind of mast-up in wind-driven generator assembling process |
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2021
- 2021-01-27 CN CN202110109053.7A patent/CN112942852A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004059555B3 (en) * | 2004-12-10 | 2006-08-03 | Adam Opel Ag | transport device |
| CN103145028A (en) * | 2013-01-22 | 2013-06-12 | 浙江武精机器制造有限公司 | Well type furnace hanging tool |
| CN206142653U (en) * | 2016-10-19 | 2017-05-03 | 河北建设集团有限公司 | Light -duty panel hoist and mount shoulder pole |
| CN207497895U (en) * | 2017-11-03 | 2018-06-15 | 林惠玲 | Use steel carrier to a kind of construction |
| CN208218188U (en) * | 2018-04-05 | 2018-12-11 | 南京高传机电自动控制设备有限公司 | A kind of mast-up in wind-driven generator assembling process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439247A (en) * | 2022-03-10 | 2022-05-06 | 安徽伟宏钢结构集团股份有限公司 | Large-span large-breadth suspended ceiling moving construction method |
| CN114439247B (en) * | 2022-03-10 | 2023-11-17 | 安徽伟宏钢结构集团股份有限公司 | Large-span large-breadth suspended ceiling mobile construction method |
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Application publication date: 20210611 |
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