CN113309008A - Steel case roof beam temporary support construction safety work platform - Google Patents
Steel case roof beam temporary support construction safety work platform Download PDFInfo
- Publication number
- CN113309008A CN113309008A CN202110758463.4A CN202110758463A CN113309008A CN 113309008 A CN113309008 A CN 113309008A CN 202110758463 A CN202110758463 A CN 202110758463A CN 113309008 A CN113309008 A CN 113309008A
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- bottom plate
- work platform
- temporary support
- construction
- platform
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 238000010276 construction Methods 0.000 title claims abstract description 53
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000007306 turnover Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 8
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a steel box girder temporary support construction safety operation platform which comprises a plurality of stand columns which are arranged in two rows, wherein a cross beam is installed at the top end of each row of stand columns, the two cross beams are horizontally arranged and are parallel to each other, a web plate operation platform is laid above the cross beams, a web plate protection net is arranged on the periphery of the web plate operation platform, longitudinal beams are installed between the two rows of stand columns, the longitudinal beams are horizontally arranged and are parallel to each other, a bottom plate operation platform is laid above the longitudinal beams, and a bottom plate protection net is arranged on the periphery of the bottom plate operation platform. Form stable support through stand and crossbeam structure, and the overlap joint of construction module, connected mode is simple, the overlap joint can wholly dismantle the turnover to next use after accomplishing a set of, set up double-deck work platform simultaneously, for the operation personnel provide sufficient operation space, construction environment is good, partial construction tool can directly place on construction platform, workman efficiency of construction is high, set up the protection network simultaneously, guarantee operation personnel's safety, the security satisfies the construction requirement, reduce the high altitude construction risk.
Description
Technical Field
The invention relates to the field of construction equipment, in particular to a safe operation platform for construction of a temporary support of a steel box girder.
Background
The steel box roof beam is the prefabricated box roof beam of full steel construction, and during the design steel box roof beam, because of the big paragraph processing that need divide of stride footpath, when the beam section is not connected, the beam section is installed temporarily on interim steel structure support, and the beam section is connected and is accomplished the back and demolish, and the safe operation platform is installed on the basis of current interim support steel construction to the hoist and mount of steel box roof beam behind interim support.
The longest beam section of the steel box beam is 50 m in span, the steel box beam is designed into three sections, each section is 16.7 m, and the beam section joint is welded by full-face penetration. The beam section joint is installed on the temporary support, and the maximum length of the temporary support is 17 meters, so that a manual welding operation platform meeting the safety of high-altitude operation needs to be provided for beam section welding.
However, in the prior art, only a simple platform is erected by using steel pipes, profile steel and the like, the safety of the platform is low, then personnel work in parts such as a hanging basket and a hanging basket, the working space is limited, and the working efficiency is low.
Therefore, how to provide a safe and efficient safe operation platform for the construction of the temporary support of the steel box girder is a technical problem to be solved by the technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a safe operation platform for construction of a temporary support of a steel box girder.
In order to solve the technical problem, the invention provides a steel box girder temporary support construction safety operation platform which comprises a plurality of stand columns distributed in two lines, wherein a cross beam is installed at the top end of each line of stand columns, the two cross beams are horizontally arranged and are mutually parallel, a web plate operation platform is laid above the cross beam, a web plate protection net is arranged at the periphery of the web plate operation platform, a longitudinal beam is installed between the two lines of stand columns, the longitudinal beams are horizontally arranged and are mutually parallel, a bottom plate operation platform is laid above the longitudinal beam, and a bottom plate protection net is arranged at the periphery of the bottom plate operation platform.
Preferably, a bottom plate is welded at the lower end of the upright, a reinforcing rib plate is welded between the upright and the bottom plate, a top plate is welded at the upper end of the upright, and a reinforcing rib plate is welded between the upright and the top plate.
Preferably, a base is fixedly connected to the lower portion of the bottom plate, and reflective paint with yellow and black phases is coated on the periphery of the base.
Preferably, roof top fixedly connected with is interim buttress, the crossbeam install in interim buttress top, interim buttress both sides are provided with jack reaction seat dog.
Preferably, two web work platforms are symmetrically arranged at two ends of the cross beam, and the web protective net is arranged on three sides of the periphery of the web work platform.
Preferably, the web plate operation platform and the bottom plate operation platform are spliced diamond-pattern anti-slip steel plates, and dense mesh type wire netting is paved on the diamond-pattern anti-slip steel plates.
Preferably, the web protective net and the bottom plate protective net comprise a frame and a dense mesh type hard isolation net installed on the frame, and the frame comprises welded cross bars and vertical bars.
Preferably, the cross-bars and the uprights are 48 x 3mm steel tubes.
Preferably, the cross beam and the longitudinal beam are channel steel, the upright column is a spiral welded steel pipe with the diameter of 426mm, and the wall thickness is 8 mm.
Preferably, a reinforcing rod is arranged between adjacent columns.
The invention provides a steel box girder temporary support construction safety operation platform which comprises a plurality of stand columns which are arranged in two rows, wherein a cross beam is installed at the top end of each row of stand columns, the two cross beams are horizontally arranged and are parallel to each other, a web plate operation platform is laid above the cross beams, a web plate protection net is arranged on the periphery of the web plate operation platform, longitudinal beams are installed between the two rows of stand columns, the longitudinal beams are horizontally arranged and are parallel to each other, a bottom plate operation platform is laid above the longitudinal beams, and a bottom plate protection net is arranged on the periphery of the bottom plate operation platform.
Form stable support through stand and crossbeam structure, and the overlap joint of construction module, connected mode is simple, the overlap joint can wholly dismantle the turnover to next use after accomplishing a set of, set up double-deck work platform simultaneously, for the operation personnel provide sufficient operation space, construction environment is good, partial construction tool can directly place on construction platform, workman efficiency of construction is high, set up the protection network simultaneously, guarantee operation personnel's safety, the security satisfies the construction requirement, reduce the high altitude construction risk.
Drawings
Fig. 1 is a schematic structural view of a top view of an embodiment of a safe operation platform for steel box girder temporary support construction provided by the invention;
fig. 2 is a schematic structural view of a bottom view of an embodiment of the safety work platform for steel box girder temporary support construction provided by the present invention;
fig. 3 is a schematic side view of a specific embodiment of the steel box girder temporary support construction safety operation platform provided by the invention.
Detailed Description
The core of the invention is to provide a safe operation platform for construction of a temporary support of a steel box girder, a stable support is formed by a column and a beam structure, a double-layer operation platform is arranged to provide enough operation space for operators, and meanwhile, a protective net is arranged to ensure the safety and the working efficiency of the operators.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a top view of an embodiment of a steel box girder temporary support construction safety work platform provided by the present invention; fig. 2 is a schematic structural view of a bottom view of an embodiment of the safety work platform for steel box girder temporary support construction provided by the present invention; fig. 3 is a schematic side view of a specific embodiment of the steel box girder temporary support construction safety operation platform provided by the invention.
The invention provides a safe operation platform for steel box girder temporary support construction, which comprises a plurality of vertical upright posts 1, wherein the upright posts 1 are arranged in two rows, a cross beam 2 is arranged at the top end of each row of upright posts 1, so that the two cross beams 2 are horizontally arranged and are mutually parallel, a web plate operation platform 3 is laid above the cross beam 2 and is used for welding the web plate of the steel box girder, wherein, a web protective net 4 is arranged on the periphery of the web operation platform 3, a longitudinal beam 5 is arranged between two rows of upright posts 1, namely, the upright posts 1 in the same row are connected through the cross beam 2, the upright posts 1 in different rows are connected through the longitudinal beams 5, the longitudinal beams 5 are horizontally arranged and are mutually parallel, the bottom plate operation platform 6 is laid above the longitudinal beams 5, the bottom plate operation platform 6 is located below the web plate operation platform 3, and a bottom plate protective net 7 is arranged on the periphery of the bottom plate operation platform 6. The cross beam 2 is installed side by adopting 2 No. 40I-steel with the length of 12m, the cross beam 2 is provided with a stiffening plate at the position of a fulcrum for reinforcement, and the cross beam 2 is also used as a main integral component for connecting the upright posts 1.
Form stable support through stand 1 and 2 structures of crossbeam, and the structure module overlap joint, connected mode is simple, the overlap joint can wholly dismantle the turnover to next use after accomplishing a set of, set up double-deck work platform simultaneously, for the operation personnel provide sufficient operation space, construction environment is good, some construction tools can directly be placed on construction platform, workman efficiency of construction is high, set up the protection network simultaneously, guarantee operation personnel's safety, the security satisfies the construction requirement, reduce the high altitude construction risk.
Specifically, in order to improve the installation strength of the upright 1, a bottom plate 8 is welded at the lower end of the upright 1, a reinforcing rib plate 9 is welded between the upright 1 and the bottom plate 8, a top plate 10 is welded at the upper end of the upright 1, and a reinforcing rib plate 9 is welded between the upright 1 and the top plate 10, wherein the reinforcing rib plate 9 can be a triangular plate and is symmetrically arranged. Further, the upright column 1 is a spiral welded steel pipe with the diameter of 426mm, and the wall thickness is 8 mm. The full-bridge is provided with four temporary buttresses 12, each buttresse 12 is provided with four steel pipes, and the total number of the buttresses is sixteen, and the upright post 1 is fixedly connected with the upright post 1 through 20 channel steel in a welding mode.
Further, a base 11 is fixedly connected below the bottom plate 8, and reflective paint with yellow and black phases is coated on the periphery of the base 11. The direction of the coming vehicle is provided with a warning sign, and in order to avoid adverse accidents of driving sight lines at night, a warning lamp is arranged in a construction area so as to ensure the passing safety of passing vehicles and pedestrians.
Roof 10 top fixedly connected with props 12 temporarily, crossbeam 2 installs in the pier 12 top temporarily, and the pier 12 both sides temporarily are provided with jack reaction seat dog for the adjustment roof beam body is moved about freely and quickly the direction, in order to satisfy roof beam body design position.
In the safe operation platform for the construction of the temporary support of the steel box girder provided by the specific embodiment of the invention, two web operation platforms 3 are symmetrically arranged at two ends of a cross beam 2, web protective nets 4 are arranged on three peripheral surfaces of the web operation platforms 3, and no protective net is arranged on the opposite edges of the two web operation platforms 3. The periphery of the operation platform of the bottom plate 8 is provided with a bottom plate protective net 7. The web plate operation platform 3 and the bottom plate operation platform 6 are spliced diamond-pattern anti-slip steel plates, and dense wire netting is laid on the diamond-pattern anti-slip steel plates.
Preferably, the web protective net 4 and the bottom plate protective net 7 comprise cross bars, upright bars and dense mesh type hard isolation nets, and the dense mesh type hard isolation nets are installed in a frame formed by welding the cross bars and the upright bars. Specifically, a web plate operation platform 3 is arranged at the upper end of a cross beam 2 of the double-spliced 40# I-steel, a frame of the web plate operation platform 3 is formed by welding 8# channel steel, and a rhombus pattern anti-skid steel plate is laid on the outer frame of the 8# channel steel; the pole setting height of platform is not less than 180mm, and pole setting and horizontal pole all adopt 48 x 3mm steel pipes. According to the operation height, set up interim support, interim support is by 20# channel-section steel welding to set up bottom plate work platform 6 in the upper end, the pole setting material is the same with web work platform 3, and uses same bottom surface.
On the basis of the safe operation platform for the temporary support construction of the steel box girder provided by each specific embodiment, the reinforcing rods 13 are arranged between the adjacent upright posts 1, so that the stability of the support connection of the upright posts 1 is improved, and the reinforcing rods 13 are various types including horizontal rod pieces and inclined rod pieces, can be connected in a welding mode and can also be connected by bolts, which are within the protection scope of the invention.
The safe operation platform for the construction of the temporary support of the steel box girder provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a steel case roof beam temporary support construction safety work platform, its characterized in that, is including dividing into a plurality of stands (1) that two rows were arranged, every line crossbeam (2), two are installed on stand (1) top crossbeam (2) level sets up and is parallel to each other, web operation platform (3) have been laid to crossbeam (2) top, web operation platform (3) periphery is provided with web protection network (4), two lines install longeron (5), a plurality of between stand (1) longeron (5) level sets up and is parallel to each other, bottom plate operation platform (6) have been laid to longeron (5) top, bottom plate operation platform (6) periphery is provided with bottom plate protection network (7).
2. The steel box girder temporary support construction safety work platform according to claim 1, wherein a bottom plate (8) is welded to a lower end of the upright (1), a reinforcing rib plate (9) is welded between the upright (1) and the bottom plate (8), a top plate (10) is welded to an upper end of the upright (1), and the reinforcing rib plate (9) is welded between the upright (1) and the top plate (10).
3. The construction safety work platform for the temporary support of the steel box girder according to claim 2, wherein a base (11) is fixedly connected below the bottom plate (8), and reflective paint with alternate yellow and black is coated on the periphery of the base (11).
4. The steel box girder temporary support construction safety work platform of claim 3, wherein a temporary buttress (12) is fixedly connected above the top plate (10), the cross beam (2) is installed above the temporary buttress (12), and jack reaction seat stoppers are arranged on two sides of the temporary buttress (12).
5. The safe operation platform for temporary steel box girder support construction according to claim 1, wherein two web operation platforms (3) are symmetrically arranged at two ends of the cross beam (2), and the web protective net (4) is arranged on three peripheral surfaces of the web operation platforms (3).
6. The steel box girder temporary support construction safety work platform of claim 1, wherein the web work platform (3) and the bottom plate work platform (6) are spliced diamond-pattern anti-slip steel plates, and dense mesh type wire netting is paved on the diamond-pattern anti-slip steel plates.
7. The steel box girder temporary support construction safety work platform of claim 6, wherein the web protection net (4) and the bottom plate protection net (7) comprise a frame and a dense mesh type hard isolation net installed on the frame, and the frame comprises welded cross bars and vertical bars.
8. The steel box girder temporary support construction safety work platform of claim 7, wherein the cross bars and the vertical bars are 48 x 3mm steel pipes.
9. The construction safety work platform for the temporary support of the steel box girder according to claim 1, wherein the cross beam (2) and the longitudinal beam (5) are channel steel, the upright column (1) is a spiral welded steel pipe with a diameter of 426mm, and the wall thickness is 8 mm.
10. The steel box girder temporary support construction safety work platform according to any one of claims 1 to 9, wherein a reinforcing rod (13) is provided between adjacent columns (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110758463.4A CN113309008A (en) | 2021-07-05 | 2021-07-05 | Steel case roof beam temporary support construction safety work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110758463.4A CN113309008A (en) | 2021-07-05 | 2021-07-05 | Steel case roof beam temporary support construction safety work platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113309008A true CN113309008A (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110758463.4A Pending CN113309008A (en) | 2021-07-05 | 2021-07-05 | Steel case roof beam temporary support construction safety work platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113309008A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897866A (en) * | 2021-10-01 | 2022-01-07 | 中建八局第二建设有限公司 | Steel box girder installation device and method for existing railway transportation line |
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| CN208328719U (en) * | 2018-06-25 | 2019-01-04 | 中交路桥建设有限公司 | A kind of steel pipe support convenient for adjusting steel box girder bridge absolute altitude and transverse and longitudinal slope |
| CN109958065A (en) * | 2019-04-22 | 2019-07-02 | 中冶建工集团有限公司 | The construction method that a kind of bridge steel box girder segmental hoisting high-altitude closes up |
| CN209428961U (en) * | 2018-12-05 | 2019-09-24 | 中交路桥建设有限公司 | A kind of steel box-girder installation bracket equipped with safe operation platform |
| CN210420875U (en) * | 2019-06-03 | 2020-04-28 | 四川公路桥梁建设集团有限公司 | Safe bridge construction platform |
| CN211622512U (en) * | 2019-10-15 | 2020-10-02 | 中交第三航务工程局有限公司南京分公司 | Modular aerial working safety protection platform |
| CN211772879U (en) * | 2019-12-19 | 2020-10-27 | 中建六局土木工程有限公司 | Spacing top of steel case roof beam hoist and mount pushes away construction structures |
| CN211848959U (en) * | 2019-12-25 | 2020-11-03 | 中交第一航务工程局有限公司 | Stand disjunctor formula operation platform |
| CN213267523U (en) * | 2020-06-15 | 2021-05-25 | 中铁北京工程局集团(天津)工程有限公司 | Temporary bridge support |
-
2021
- 2021-07-05 CN CN202110758463.4A patent/CN113309008A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000080804A (en) * | 1998-09-04 | 2000-03-21 | Taisei Corp | Construction method of drive-in working platform |
| CN204001653U (en) * | 2014-08-21 | 2014-12-10 | 长沙远大住宅工业集团有限公司 | The special-purpose external hanging type job platform of assembled architecture |
| CN206328678U (en) * | 2016-12-21 | 2017-07-14 | 中建三局安装工程有限公司 | Steel box-girder chooses arm and steel guard rail installs dual-purpose type Mobile operating platform |
| CN107299753A (en) * | 2017-07-10 | 2017-10-27 | 中冶建筑研究总院有限公司 | A kind of special type construction safety platform and installation method |
| CN208328719U (en) * | 2018-06-25 | 2019-01-04 | 中交路桥建设有限公司 | A kind of steel pipe support convenient for adjusting steel box girder bridge absolute altitude and transverse and longitudinal slope |
| CN209428961U (en) * | 2018-12-05 | 2019-09-24 | 中交路桥建设有限公司 | A kind of steel box-girder installation bracket equipped with safe operation platform |
| CN109958065A (en) * | 2019-04-22 | 2019-07-02 | 中冶建工集团有限公司 | The construction method that a kind of bridge steel box girder segmental hoisting high-altitude closes up |
| CN210420875U (en) * | 2019-06-03 | 2020-04-28 | 四川公路桥梁建设集团有限公司 | Safe bridge construction platform |
| CN211622512U (en) * | 2019-10-15 | 2020-10-02 | 中交第三航务工程局有限公司南京分公司 | Modular aerial working safety protection platform |
| CN211772879U (en) * | 2019-12-19 | 2020-10-27 | 中建六局土木工程有限公司 | Spacing top of steel case roof beam hoist and mount pushes away construction structures |
| CN211848959U (en) * | 2019-12-25 | 2020-11-03 | 中交第一航务工程局有限公司 | Stand disjunctor formula operation platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897866A (en) * | 2021-10-01 | 2022-01-07 | 中建八局第二建设有限公司 | Steel box girder installation device and method for existing railway transportation line |
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Application publication date: 20210827 |