CN115234009A - Construction method of integral hoisting system of grid unit truss - Google Patents
Construction method of integral hoisting system of grid unit truss Download PDFInfo
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- CN115234009A CN115234009A CN202211076728.3A CN202211076728A CN115234009A CN 115234009 A CN115234009 A CN 115234009A CN 202211076728 A CN202211076728 A CN 202211076728A CN 115234009 A CN115234009 A CN 115234009A
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- 238000010276 construction Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000013461 design Methods 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000005536 corrosion prevention Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000011161 development Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000011900 installation process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000003908 quality control method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction method of a grid unit truss integral hoisting system, and relates to the technical field of constructional engineering. The construction method of the grid unit truss integral hoisting system comprises the following specific operations: s1, configuring grid unit truss materials with corresponding sizes according to the requirements of design drawings, prefabricating a grid unit truss structure in a segmented mode through factory, and delivering the grid unit truss structure to a construction site after the grid unit truss structure is qualified through inspection. The construction method of the integral hoisting system of the grid unit truss is mainly applied to the development and introduction of a roof support system of a steel structure factory building. In the installation process, a mode of synchronously hoisting the integral structure system of the grid unit truss and the main frame beam structure is adopted, and construction processes such as connection of the grid unit truss and the main frame beam structure are completed on the ground, so that the overhead working time of the process is reduced, the construction process is improved to a greater extent, and the construction safety is further improved.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a construction method of an integral hoisting system of a grid unit truss.
Background
The traditional roof support system construction is usually carried out by adopting an overhead splicing or welding mode, the hoisting operation is high in danger, the labor intensity is high, the requirements on the quality, the constitution, the technology and the like of operating personnel are high, the overhead operation time is long, and the potential safety hazard is large.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a construction method of an integral hoisting system of a grid unit truss, which solves the problems that the construction of the traditional roof support system is generally carried out in a high-altitude splicing or welding mode, the hoisting operation is high in danger and labor intensity, the requirements on the quality, constitution, technology and the like of operating personnel are high, the high-altitude operation time is long, and the potential safety hazard is large.
(II) technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: a construction method for a grid unit truss integral hoisting system comprises the following specific operations:
s1, configuring grid unit truss materials with corresponding sizes according to the requirements of design drawings, prefabricating a grid unit truss structure in a segmented mode through factory, and delivering the grid unit truss structure to a construction site after the grid unit truss structure is qualified through inspection;
s2, hoisting the structural beam and the grid unit truss structure to corresponding positions in a segmented manner according to a construction drawing, and assembling the grid unit truss structure into a grid unit truss finished product on the ground of the site in a segmented manner;
s3, determining the connection position of the grid unit truss, and sequentially connecting the grid unit truss with an H-shaped steel structural beam through a connecting piece, a high-strength bolt, a connecting plate and a short column support, wherein the high-strength bolt is in threaded connection with the connecting plate, and the connecting piece, the connecting plate and the short column support are all in welded connection;
s4, completing the process through one connection point, and repeating other connection points according to the method;
s5, after detail processing such as polishing, rust prevention, corrosion prevention and the like, checking and accepting;
s6, after the acceptance is qualified, hoisting by adopting a double-machine synchronous hoisting method, wherein the double-machine synchronous hoisting method comprises the following steps: two cranes are adopted to simultaneously lift the grid unit truss integral structure system;
s7, before the hoisting connector is installed, the internal bolt device is placed in place, the steel wire rope is placed in the rope threading track, the steel wire rope is exposed after two ends of the steel wire rope are connected through rope braking control, the steel wire rope penetrates out through the balance limiting device and is sequentially connected in place, wherein the rope threading track and the rope braking control are linked with the steel wire rope, a set of variable frequency speed regulation test system is adopted, the trigger speed detection in an idle load state can be completed, the hoisting connector and the balance limiting device are connected into a whole to facilitate the overall balance, and the number of the balance limiting device can be increased according to the actual hoisting requirement;
s8, trial debugging, namely checking the connection condition of each part in the cable, the braking control efficiency of the cable and the overall operation condition to ensure limited use;
s9, installing a hoisting connector corresponding to the position of equipment according to different hoisting equipment;
s10, hoisting the light grid unit truss member, adjusting the balance limiting device, and checking the hoisting, braking and connecting conditions again;
s11, formally hoisting, wherein when the hoisting grid unit truss member is large, the lower part of the steel wire rope can be connected with a tray base;
s12, after the grid unit truss integral structure system is firmly fixed, the steel wire rope is put down, the hanging ring is detached, and the hanging is finished.
(III) advantageous effects
The invention provides a construction method of an integral hoisting system of a grid unit truss. The method has the following beneficial effects:
the construction method of the integral hoisting system of the grid unit truss is mainly applied to the development introduction of a roof supporting system of a steel structure factory building. In the installation process, the mode of synchronously hoisting the grid unit truss integral structure system and the main body frame beam structure is adopted, the construction processes such as connection of the grid unit truss and the main body frame beam structure and the like are all completed on the ground, the overhead working time of the process is reduced, the construction process is improved to a greater extent, and the construction safety is further improved. The connection quality of the structural surface is effectively improved in the process, the quality control in the construction process is facilitated, the integral connection accuracy is improved, and the method is safe and reliable, and is beneficial to batch construction and standardized application.
Drawings
FIG. 1 is a schematic diagram of a connection node of a construction method of a grid unit truss integral hoisting system;
FIG. 2 is a connection front view of a construction method of an integral grid unit truss hoisting system;
fig. 3 is a schematic diagram of a hoisting node by a double-machine synchronous lifting method.
In the figure: 1 grid unit truss, 2 connecting pieces, 3 high-strength bolts, 4 connecting plates, 5 short column supports, 6H-shaped steel, 7 hoisting connectors, 8 bolt devices, 9 threading rails, 10 rope brake controls, 11 balance limiting devices and 12 steel wire ropes.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a construction method for a grid unit truss integral hoisting system comprises the following specific operations:
s1, configuring grid unit truss materials with corresponding sizes according to the requirements of design drawings, prefabricating a grid unit truss structure in a segmented mode through factory, and delivering the grid unit truss structure to a construction site after the grid unit truss structure is qualified through inspection;
s2, hoisting the structural beam and the grid unit truss structure to corresponding positions in a segmented manner according to a construction drawing, and assembling the grid unit truss structure into a grid unit truss 1 finished product on the ground of the site in a segmented manner;
s3, determining the connecting position of the grid unit truss 1, and sequentially connecting the grid unit truss 1 with an H-shaped steel 6 structural steel beam through a connecting piece 2, a high-strength bolt 3, a connecting plate 4 and a short column support 5, wherein the high-strength bolt 3 is in threaded connection with the connecting plate 4, and the connecting piece 2, the connecting plate 4 and the short column support 5 are all in welded connection;
s4, completing the process through one connection point, and repeating other connection points according to the method;
s5, after detail treatment such as polishing, rust prevention, corrosion prevention and the like, checking and accepting;
s6, after the acceptance is qualified, hoisting by adopting a double-machine synchronous hoisting method, wherein the double-machine synchronous hoisting method comprises the following steps: two cranes are adopted to simultaneously lift the grid unit truss integral structure system;
s7, before the hoisting connector 7 is installed, the internal bolt device 8 is placed in place, the steel wire rope 12 is placed in the rope threading track 9, the steel wire rope 12 is exposed after two ends of the steel wire rope are connected through the rope brake control 10, the steel wire rope 12 penetrates out through the balance limiting device 11 and is sequentially connected in place, wherein the rope threading track 9 and the rope brake control 10 are linked with the steel wire rope 12, a set of variable frequency speed regulation test system is adopted, the trigger speed detection in an idle state can be completed, the safety braking or deceleration function is realized when the load is over-speed, the hoisting connector 7 and the balance limiting device 11 are connected into a whole, the overall balance is facilitated, and the number of the balance limiting devices 11 can be increased according to the actual hoisting requirement;
s8, debugging in a trial mode, and checking the connection condition of each part in the rope brake control system, the efficiency of the rope brake control system 10 and the overall operation condition to ensure limited use;
s9, installing a hoisting connector 7 corresponding to the position of equipment according to different hoisting equipment;
s10, hoisting the components of the light grid unit truss 1, adjusting the balance limiting device 11, and checking the hoisting, braking and connecting conditions again;
s11, formally hoisting, wherein when the hoisting grid unit truss 1 is large, the lower part of the steel wire rope 12 can be connected with a tray base;
s12, after the grid unit truss integral structure system is firmly fixed, the steel wire rope is put down, the hanging ring is detached, and the hoisting is finished.
In conclusion, the construction method of the grid unit truss integral hoisting system can effectively improve the connection quality of the structural surface, is beneficial to quality control in the construction process, improves the integral connection accuracy, is safe and reliable, and is beneficial to batch construction and standardized application. The construction method of the grid unit truss integral hoisting system is realized as follows: the construction method of the integral hoisting system of the grid unit truss is characterized in that all connection procedures of the grid unit truss and a main body beam are completed on the ground, the overhead working time of the procedures is reduced, the construction process is improved to a greater extent, and the construction safety is further improved. The connection quality of the structural surface is effectively improved in the process, the quality control in the construction process is facilitated, the integral connection accuracy is improved, and the method is safe, reliable, convenient to operate and high in practicability.
The construction method of the integral hoisting system of the grid unit truss is mainly applied to the development and introduction of a roof support system of a steel structure factory building. In the installation process, the mode of synchronously hoisting the grid unit truss integral structure system and the main body frame beam structure is adopted, the construction processes such as connection of the grid unit truss and the main body frame beam structure and the like are all completed on the ground, the overhead working time of the process is reduced, the construction process is improved to a greater extent, and the construction safety is further improved. The connection quality of the structural surface is effectively improved in the process, the quality control in the construction process is facilitated, the integral connection accuracy is improved, and the method is safe and reliable, and is beneficial to batch construction and standardized application.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (1)
1. A construction method of a grid unit truss integral hoisting system is characterized by comprising the following steps: the specific operation is as follows:
s1, configuring grid unit truss materials with corresponding sizes according to the requirements of a design drawing, segmenting through an industrial prefabricated grid unit truss structure, and delivering the grid unit truss materials to a construction site after the grid unit truss structure is inspected to be qualified;
s2, hoisting the structural beam and the grid unit truss structure to corresponding positions in a segmented manner according to a construction drawing, and assembling the grid unit truss structure into a grid unit truss (1) finished product on the ground of the site in a segmented manner;
s3, determining the connection position of the grid unit truss (1), and sequentially connecting the grid unit truss with a structural steel beam of H-shaped steel (6) through a connecting piece (2), a high-strength bolt (3), a connecting plate (4) and a short column support (5), wherein the high-strength bolt (3) is in threaded connection with the connecting plate (4), and the connecting piece (2), the connecting plate (4) and the short column support (5) are in welded connection;
s4, completing the process through one connection point, and repeating other connection points according to the method;
s5, after detail processing such as polishing, rust prevention, corrosion prevention and the like, checking and accepting;
s6, after the acceptance is qualified, hoisting by adopting a double-machine synchronous hoisting method, wherein the double-machine synchronous hoisting method comprises the following steps: two cranes are adopted to simultaneously lift the grid unit truss integral structure system;
s7, before the hoisting connector (7) is installed, the internal bolt device (8) is placed in place, the steel wire rope (12) is placed in the rope threading track (9), two ends of the rope threading track are connected through the rope braking control device (10), the steel wire rope (12) is exposed, the steel wire rope (12) penetrates out through the balance limiting device (11), and the balance limiting device (11) and the steel wire rope (12) are sequentially connected in place, wherein the rope threading track (9) and the rope braking control device (10) are linked with each other, a set of variable frequency speed regulation test system is adopted, the triggering speed detection in an idle state can be completed, the safety braking or deceleration function is realized when the load exceeds the speed, the hoisting connector (7) and the balance limiting device (11) are connected into a whole, the overall balance is facilitated, and the number of the balance limiting device (11) can be increased according to the actual hoisting requirement;
s8, debugging in a trial mode, and checking the connection condition of each part in the rope brake control device, the efficiency of the rope brake control device (10) and the overall operation condition to ensure limited use;
s9, installing a hoisting connector (7) corresponding to the position of equipment according to different hoisting equipment;
s10, hoisting a light grid unit truss (1) component, adjusting a balance limiting device (11), and checking hoisting, braking and connecting conditions again;
s11, formally hoisting, wherein when the hoisting grid unit truss (1) member is large, the lower part of the steel wire rope (12) can be connected with a tray base;
s12, after the grid unit truss integral structure system is firmly fixed, the steel wire rope is put down, the hanging ring is detached, and the hanging is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211076728.3A CN115234009A (en) | 2022-09-05 | 2022-09-05 | Construction method of integral hoisting system of grid unit truss |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211076728.3A CN115234009A (en) | 2022-09-05 | 2022-09-05 | Construction method of integral hoisting system of grid unit truss |
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| CN115234009A true CN115234009A (en) | 2022-10-25 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285200A (en) * | 2017-07-05 | 2017-10-24 | 中国十七冶集团有限公司 | A kind of high large-span truss integral translation construction method for hanging |
| CN114673364A (en) * | 2022-03-17 | 2022-06-28 | 中国十七冶集团有限公司 | Method for installing pipeline by using hollow structure of European truss |
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2022
- 2022-09-05 CN CN202211076728.3A patent/CN115234009A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285200A (en) * | 2017-07-05 | 2017-10-24 | 中国十七冶集团有限公司 | A kind of high large-span truss integral translation construction method for hanging |
| CN114673364A (en) * | 2022-03-17 | 2022-06-28 | 中国十七冶集团有限公司 | Method for installing pipeline by using hollow structure of European truss |
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Application publication date: 20221025 |
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