CN112811298A - Construction method for hoisting block net rack by using steel carrying pole device - Google Patents
Construction method for hoisting block net rack by using steel carrying pole device Download PDFInfo
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- CN112811298A CN112811298A CN202110160140.5A CN202110160140A CN112811298A CN 112811298 A CN112811298 A CN 112811298A CN 202110160140 A CN202110160140 A CN 202110160140A CN 112811298 A CN112811298 A CN 112811298A
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- steel
- hoisting
- net rack
- carrying pole
- assembled
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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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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- 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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
-
- 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
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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 relates to a construction method for hoisting a partitioned net rack by using a steel carrying pole device, which belongs to the technical field of building structure engineering and comprises the following operation steps: the first step is as follows: firstly, the steel carrying pole connecting component is blanked, assembled and welded to form. The second step is that: and then, the H-shaped steel beam is adopted to pre-process short rectangular steel, supporting side rectangular steel and long rectangular steel. The third step: and the steel carrying pole connecting assembly, the short rectangular steel, the supporting edge rectangular steel and the long rectangular steel are transported to a construction site to be assembled into the steel carrying pole device. The fourth step: the roof rack is divided into a plurality of hoisting units, after assembly, the crane and the hoisting rack unit with hole site ear plates are connected by steel wire ropes, the connecting belt hole site ear plates are connected with the rack unit hoisted in blocks by steel wire ropes, and a steel carrying pole device is adopted between the crane and the rack unit for auxiliary hoisting. The device has the characteristics of simple structure, high efficiency, convenience in assembly and good safety and stability. Reduce the secondary transportation in the yard, saved manpower and materials.
Description
Technical Field
The invention relates to the technical field of building structure engineering, in particular to a construction method for hoisting a partitioned net rack by using a steel carrying pole device.
Background
Along with the development rapid advance of modern industrial economy, more and more industrial plants, especially the industrial plant of steel structure roofing is lighter because of the integral construction structure is compared with concrete structure, and construction period is short, can solve the great problem of many industrial plant spans moreover, obtains more and more generally using.
In order to ensure the purposes of high efficiency, rapidness and safety of hoisting a large-span net rack structure, the net rack needs to be assembled in blocks, then a method of hoisting by a crawler crane is adopted, and particularly when the construction site is narrow and uneven, the large crawler crane is utilized, and a steel carrying pole device is used for hoisting in blocks, so that the method is quicker and more economic.
Disclosure of Invention
The invention mainly solves the defects of low efficiency, high construction difficulty and poor safety and stability in the prior art, and provides a construction method for hoisting a partitioned net rack by using a steel carrying pole device, which has the characteristics of simple structure, high efficiency, convenience in assembly and good safety and stability. The problems of large span, heavy mass, high ground clearance and narrow construction site of the net rack steel structure roof are solved. Reduce the secondary transportation in the yard, saved manpower and materials.
The technical problem of the invention is mainly solved by the following technical scheme:
a construction method for hoisting a partitioned net rack by using a steel carrying pole device comprises the following operation steps:
the first step is as follows: the steel carrying pole connecting assembly is formed by assembling and welding two connecting band hole site ear plates, two side connecting plates, two connecting panels and an end sealing plate, and then the upper ends of the connecting panels are welded and hung on the ear plates with the hole sites.
The second step is that: and then, the H-shaped steel beam is adopted to pre-process short rectangular steel, supporting side rectangular steel and long rectangular steel.
The third step: and the steel carrying pole connecting assembly, the short rectangular steel, the supporting edge rectangular steel and the long rectangular steel are transported to a construction site to be assembled into the steel carrying pole device.
The fourth step: the roof rack is divided into a plurality of hoisting units, after assembly, the crane and the hoisting rack unit with hole site ear plates are connected by steel wire ropes, the connecting belt hole site ear plates are connected with the rack unit hoisted in blocks by steel wire ropes, and a steel carrying pole device is adopted between the crane and the rack unit for auxiliary hoisting.
Preferably, a plurality of triangular reinforcing rib plates are welded between the two ends of the lifting lug plate with the hole position and the connecting panel and between the connecting lug plate with the hole position and the side connecting panel, so that the strength of the structure is improved.
Preferably, the net racks are assembled on the ground in blocks according to the hoisting blocks, the whole assembling sequence is the same as the net rack hoisting sequence, and when the single net rack is assembled, the net racks are assembled from the center to the periphery of the net rack unit due to the avoidance of the generation of assembling accumulated errors.
Preferably, when the net rack is assembled, the lower chord grid of the middle grid is assembled, the upper chord ball, the upper chord rod and the web members are combined into a small unit with one sphere and three rods or one sphere and four rods, then the small unit is hoisted by a crane, each rod member is connected with the corresponding sphere in a butt joint mode by a worker, and after the net rack is assembled, subsequent purlin dragging and lower hanging installation are carried out.
The invention can achieve the following effects:
the invention provides a construction method for hoisting a partitioned net rack by using a steel carrying pole device, which has the characteristics of simple structure, high efficiency, convenience in assembly and good safety and stability compared with the prior art. The problems of large span, heavy mass, high ground clearance and narrow construction site of the net rack steel structure roof are solved. Reduce the secondary transportation in the yard, saved manpower and materials.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the steel shoulder pole connection assembly of the present invention.
Fig. 3 is a side view schematic of the steel shoulder pole attachment assembly of the present invention.
Fig. 4 is a structural cross-sectional view of the steel shoulder pole attachment assembly of the present invention.
In the figure: steel shoulder pole coupling assembling 1, short rectangular steel 2, support limit rectangular steel 3, long rectangular steel 4, connecting band hole site otic placode 5, side connecting plate 6, hoist and mount area hole site otic placode 7, end shrouding 8, connection panel 9, triangle deep floor 10.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): as shown in the figure, the construction method for hoisting the partitioned net rack by using the steel carrying pole device comprises the following operation steps:
the first step is as follows: the steel carrying pole connecting assembly 1 is manufactured by blanking, assembling, welding and forming, the steel carrying pole connecting assembly 1 is formed by assembling and welding two connecting band hole position ear plates 5, two side connecting plates 6, two connecting panels 9 and an end head sealing plate 8, and then the upper ends of the connecting panels 9 are welded and hoisted to the ear plates 7 with hole positions.
A pair of triangular reinforcing rib plates 10 which are symmetrically distributed are welded between the two ends of the lifting lug plate with hole positions 7 and the connecting panel 9 and between the connecting lug plate with hole positions 5 and the side connecting plate 6, so that the strength of the structure is improved.
The second step is that: and then, the H-shaped steel beam is adopted to pre-process the short rectangular steel 2, the supporting side rectangular steel 3 and the long rectangular steel 4.
The third step: and (3) transporting the steel carrying pole connecting assembly 1, the short rectangular steel 2, the supporting side rectangular steel 3 and the long rectangular steel 4 to a construction site to be assembled into a steel carrying pole device.
The fourth step: the roof rack is divided into a plurality of hoisting units, after assembly, the crane and the hoisting belt hole position ear plate 7 are connected by a steel wire rope, the connecting belt hole position ear plate 5 is connected with the rack unit hoisted in blocks by the steel wire rope, and a steel carrying pole device is adopted between the crane and the rack unit for auxiliary hoisting.
The net racks are assembled on the ground in blocks according to the hoisting blocks, the whole assembling sequence is the same as the net rack hoisting sequence, and when a single net rack is assembled, the net rack is assembled from the center to the periphery of the net rack unit due to the avoidance of the generation of assembling accumulated errors. When the net rack is assembled, the lower chord grids of the middle grids are assembled, the upper chord balls, the upper chord rods and the web members are combined into small units of one sphere three-rod or one sphere four-rod, then the small units are hoisted by the crane, workers butt each rod member to be connected with the corresponding sphere, and after the net rack is assembled, subsequent purlin dragging and lower hanging installation are carried out.
In conclusion, the construction method for hoisting the partitioned net rack by using the steel carrying pole device has the characteristics of simple structure, high efficiency, convenience in assembly and good safety and stability. The problems of large span, heavy mass, high ground clearance and narrow construction site of the net rack steel structure roof are solved. Reduce the secondary transportation in the yard, saved manpower and materials.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (4)
1. A construction method for hoisting a partitioned net rack by using a steel carrying pole device is characterized in that: the method comprises the following operation steps:
the first step is as follows: firstly, blanking, assembling and welding a steel carrying pole connecting assembly (1) for forming, wherein the steel carrying pole connecting assembly (1) is formed by assembling and welding two connecting belt hole site lug plates (5), two side connecting plates (6), two connecting panels (9) and an end head sealing plate (8), and then the upper ends of the connecting panels (9) are welded with a hoisting belt hole site lug plate (7);
the second step is that: then, the H-shaped steel beam is adopted to pre-process the short rectangular steel (2), the supporting side rectangular steel (3) and the long rectangular steel (4);
the third step: transporting the steel carrying pole connecting assembly (1), the short rectangular steel (2), the supporting side rectangular steel (3) and the long rectangular steel (4) to a construction site to be assembled into a steel carrying pole device;
the fourth step: the roof net rack is divided into a plurality of hoisting units, after assembly, the crane and the hoisting net rack unit with hole position ear plates (7) are connected through steel wire ropes, the hole position ear plates (5) are connected with the net rack unit hoisted in blocks through the steel wire ropes, and a steel carrying pole device is adopted between the crane and the net rack unit for auxiliary hoisting.
2. The construction method for hoisting the partitioned net rack by using the steel carrying pole device according to claim 1, characterized in that: a plurality of triangular reinforcing rib plates (10) are welded between the two ends of the lifting lug plate (7) with the hole position and the connecting panel (9) and between the connecting lug plate (5) with the hole position and the side connecting plate (6), so that the strength of the structure is improved.
3. The construction method for hoisting the partitioned net rack by using the steel carrying pole device according to claim 1, characterized in that: the net racks are assembled on the ground in blocks according to the hoisting blocks, the whole assembling sequence is the same as the net rack hoisting sequence, and when a single net rack is assembled, the net rack is assembled from the center to the periphery of the net rack unit due to the avoidance of the generation of assembling accumulated errors.
4. The construction method for hoisting the partitioned net rack by using the steel carrying pole device as claimed in claim 3, wherein: when the net rack is assembled, the lower chord grids of the middle grids are assembled, the upper chord balls, the upper chord rods and the web members are combined into small units of one sphere three-rod or one sphere four-rod, then the small units are hoisted by the crane, workers butt each rod member to be connected with the corresponding sphere, and after the net rack is assembled, subsequent purlin dragging and lower hanging installation are carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110160140.5A CN112811298A (en) | 2021-02-05 | 2021-02-05 | Construction method for hoisting block net rack by using steel carrying pole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110160140.5A CN112811298A (en) | 2021-02-05 | 2021-02-05 | Construction method for hoisting block net rack by using steel carrying pole device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112811298A true CN112811298A (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110160140.5A Pending CN112811298A (en) | 2021-02-05 | 2021-02-05 | Construction method for hoisting block net rack by using steel carrying pole device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112811298A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556829A (en) * | 2012-02-08 | 2012-07-11 | 中国电力科学研究院 | Hoisting rack for hoisting and mounting condenser shell module |
| CN202321968U (en) * | 2011-12-06 | 2012-07-11 | 南京宝钢住商金属制品有限公司 | Special lifting tool for sheet material |
| CN104671061A (en) * | 2015-02-13 | 2015-06-03 | 广西桂冠电力股份有限公司大化水力发电总厂 | Disassembling and assembling device of bolt of rotating wheel body overturning lifting tool and disassembling, assembling and installing method of bolt |
| CN206511801U (en) * | 2017-03-09 | 2017-09-22 | 中国十七冶集团有限公司 | The carrying pole device that ladle turret is lifted |
| CN107386460A (en) * | 2017-07-18 | 2017-11-24 | 江苏绿色辉煌节能科技有限公司 | A kind of large-span shell bolted spherical node installation method |
| CN208500108U (en) * | 2018-06-15 | 2019-02-15 | 上海上安机械施工有限公司 | A kind of balance hanging beam |
| CN209988942U (en) * | 2019-05-24 | 2020-01-24 | 湖南省第四工程有限公司 | Assembled building superimposed sheet lifting device |
| CN111099491A (en) * | 2020-01-13 | 2020-05-05 | 中国五冶集团有限公司 | Auxiliary device for hoisting large steel net frame structure |
| CN212222161U (en) * | 2020-05-01 | 2020-12-25 | 重庆交通大学 | Hoisting connection device for steel pipe pile with flange plate |
-
2021
- 2021-02-05 CN CN202110160140.5A patent/CN112811298A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202321968U (en) * | 2011-12-06 | 2012-07-11 | 南京宝钢住商金属制品有限公司 | Special lifting tool for sheet material |
| CN102556829A (en) * | 2012-02-08 | 2012-07-11 | 中国电力科学研究院 | Hoisting rack for hoisting and mounting condenser shell module |
| CN104671061A (en) * | 2015-02-13 | 2015-06-03 | 广西桂冠电力股份有限公司大化水力发电总厂 | Disassembling and assembling device of bolt of rotating wheel body overturning lifting tool and disassembling, assembling and installing method of bolt |
| CN206511801U (en) * | 2017-03-09 | 2017-09-22 | 中国十七冶集团有限公司 | The carrying pole device that ladle turret is lifted |
| CN107386460A (en) * | 2017-07-18 | 2017-11-24 | 江苏绿色辉煌节能科技有限公司 | A kind of large-span shell bolted spherical node installation method |
| CN208500108U (en) * | 2018-06-15 | 2019-02-15 | 上海上安机械施工有限公司 | A kind of balance hanging beam |
| CN209988942U (en) * | 2019-05-24 | 2020-01-24 | 湖南省第四工程有限公司 | Assembled building superimposed sheet lifting device |
| CN111099491A (en) * | 2020-01-13 | 2020-05-05 | 中国五冶集团有限公司 | Auxiliary device for hoisting large steel net frame structure |
| CN212222161U (en) * | 2020-05-01 | 2020-12-25 | 重庆交通大学 | Hoisting connection device for steel pipe pile with flange plate |
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Application publication date: 20210518 |
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| RJ01 | Rejection of invention patent application after publication |