CN112227692A - Welding operation platform for inverted triangular truss - Google Patents
Welding operation platform for inverted triangular truss Download PDFInfo
- Publication number
- CN112227692A CN112227692A CN202011048486.8A CN202011048486A CN112227692A CN 112227692 A CN112227692 A CN 112227692A CN 202011048486 A CN202011048486 A CN 202011048486A CN 112227692 A CN112227692 A CN 112227692A
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- welding
- inverted triangular
- steel
- truss
- basket
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/006—Safety devices
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/045—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on profiles, e.g. I or H profiles
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/12—Canopies
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a welding operation platform for an inverted triangular truss, which comprises two welding hanging baskets and a carrying pole beam assembly fixed on an inverted triangular round tube truss, wherein the carrying pole beam assembly comprises two first I-shaped steels, the two first I-shaped steels are fixed at the top of the inverted triangular round tube truss, the length extension directions of the two first I-shaped steels are perpendicular to the length extension direction of the inverted triangular round tube truss, the two welding hanging baskets are hung between the two first I-shaped steels, and the two welding hanging baskets are respectively positioned at two sides of the inverted triangular round tube truss along the length extension direction of the first I-shaped steels. The invention provides a welding operation platform suitable for an inverted triangular truss, which solves the problems of difficult fixation and low safety factor when a common hanging cage is used for a circular pipe member.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to an aerial welding operation platform for a steel structure in the building industry, and particularly relates to a welding operation platform for an inverted triangular truss.
Background
In the construction of building sites, the overhead welding operation of a steel structure often exists, and a stable operation platform is needed to provide construction safety guarantee and convenience for welders. For the circular tube component, the common hanging basket is not easy to fix and shake, and the safety factor is low.
During overhead welding operation, other work types of cross operation often exist on the ground, and for safety of ground constructors, a fire-receiving measure is needed to avoid scalding caused by welding sparks, but the fire-receiving effect of a common fire-receiving hopper is poor.
In order to ensure the welding quality, rain cannot be drenched during welding operation, and a wind-proof and rain-proof shed which is commonly used for box-shaped components is not suitable to be fixed on a circular pipe component.
In the work progress, the operation workman often can be because connect the fire fight and prevent wind weather enclosure inconvenient carrying and do not take safeguard procedures, cause potential safety hazard and quality defect.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a welding operation platform for an inverted triangular truss and at least solves part of technical problems in the prior art.
The invention is realized by the following steps:
the invention provides a welding operation platform for an inverted triangular truss, which comprises two welding hanging baskets and a carrying pole beam assembly fixed on an inverted triangular round tube truss, wherein the carrying pole beam assembly comprises two first I-shaped steels, the two first I-shaped steels are fixed at the top of the inverted triangular round tube truss, the length extension directions of the two first I-shaped steels are perpendicular to the length extension direction of the inverted triangular round tube truss, the two welding hanging baskets are hung between the two first I-shaped steels, and the two welding hanging baskets are respectively positioned at two sides of the inverted triangular round tube truss along the length extension direction of the first I-shaped steels.
Preferably, the two first I-shaped steels are welded with the top of the inverted triangular circular tube truss through the L-shaped stacking plate.
Preferably, the carrying pole beam assembly further comprises two second I-beams, the two second I-beams are perpendicular to the two first I-beams and are welded to each other through the second I-beams, the two second I-beams are arranged at intervals, and the two second I-beams are welded to the top of the inverted triangular circular tube truss through the stacking plate.
Preferably, the welding hanging basket comprises a plurality of angle steels, and the angle steels are welded in an overlapping mode.
Preferably, the angle steel at the top of the welding hanging basket is hung with the first I-shaped steel on two sides through a buckle type hanging piece respectively, and the buckle type hanging piece is supported on the top of the first I-shaped steel and is welded with the first I-shaped steel through a stacking plate.
Preferably, the bottom of the welding hanging basket is further provided with a pattern steel plate for standing people, and the pattern steel plate is in lap welding with the angle steels.
Preferably, the top of basket is hung in the welding is equipped with the weather enclosure, the skeleton of weather enclosure is the angle steel support, the bottom of angle steel support is equipped with four round steel, the top of basket is hung in the welding is equipped with and supplies four the four sleeves that the round steel was pegged graft respectively.
Preferably, one side of the welding hanging basket facing the inverted triangular circular tube truss is provided with a fire receiving hopper, and the fire receiving hopper is detachably connected with the welding hanging basket.
Preferably, the fire receiving hopper is provided with two bevel round steels, and the welding hanging basket is provided with two sleeves into which the two bevel round steels are respectively inserted.
Preferably, limiting plates for preventing the welding hanging basket from falling off are arranged at two ends of the first I-shaped steel.
The invention has the following beneficial effects:
1. the operation platform can not shake and has high safety factor
The symmetrical structure of the shoulder pole beam assembly avoids the problem that a common hanging basket is unstable to hang on a circular tube truss, and provides a safer operation platform for selection.
The shoulder pole beam assembly is welded through a simple stopper (a stacking plate), can be stably connected to the main truss, and is directly welded to the truss pipe in a hanging mode relative to a common hanging cage made of angle steel, and stress is safer.
The shoulder pole beam assembly is used as a main stress component, the size of the shoulder pole beam assembly is far larger than that of an angle steel hook of a common hanging basket, the shoulder pole beam assembly is not easy to damage in construction, and potential safety hazards caused by damage of structural components in construction can be avoided.
2. Once making and multiple recycling
The universal operation platform can be manufactured according to standardized manufacturing requirements, and the standardization of engineering construction is improved.
After the hanging basket is manufactured in a standardized mode, the hanging basket is long in service life, circulation can be carried out among projects, the situation that a common hanging basket becomes a waste product after being used once is avoided, steel loss in engineering is reduced, and economic benefits are improved.
3. Wind-proof and fire-catching integrated device
The fixed dismantlement formula is prevent wind canopy and retractable and is connect the fire fill can avoid the workman not portable drawback of taking the fire fill at high altitude construction, reduces the load that the workman got into the construction position, can let the safer efficient work of workman.
The fixed fire receiving hopper avoids the falling and overturning risks caused by the suspension of the common fire receiving hopper at high altitude.
The rainproof shed, the fire receiving hopper and the welding hanging basket are integrally designed, so that the defects that the rainproof shed is not used and the fire receiving hopper is not used due to lack of consciousness of operating personnel can be effectively avoided, and the operation safety and the welding quality are ensured.
4. Economic benefits
Compared with the traditional hanging basket, the operation platform provided by the invention can effectively improve the welding quality, reduce the condition of repair due to the quality of welding seams and reduce the extra engineering cost generated due to the repair. Meanwhile, the disposable glass can be recycled after being manufactured once, so that the measure cost can be saved by 10-20%. The corresponding mechanical cost of the circular pipe truss in the operation of using a climbing vehicle when the traditional hanging basket cannot be used is avoided, and the mechanical cost is comprehensively saved by about 100 ten thousand yuan.
5. The invention relates to an operation platform for an inverted triangular truss during overhead welding. The common cage-hanging type operation platform is suitable for overhead welding of H-shaped steel beams or box-shaped steel beams, but when the common cage-hanging type operation platform is used for circular tube members, the common cage-hanging type operation platform is difficult to fix and has low safety coefficient. The invention changes the structure by changing the structural form of the common hanging basket and adding a symmetrical form, thereby providing a simple and practical operating platform for the welding of the inverted triangular truss string in high-altitude construction.
6. When welding the high-altitude steel structure, in order to ensure the operation safety and the welding quality, the welding hanging basket, the fire receiving hopper and the rain-proof shed are integrated. The truss is combined with an inverted triangle structure, the main stress component is a shoulder pole beam component above the truss, and welding hanging baskets are hung on the left side and the right side of the truss. The shoulder pole beam assembly is fixed with the stacking plate for the main truss, lateral movement is prevented, welding hanging baskets on two sides are symmetrically hung, bilateral symmetry is constructed simultaneously, the construction period is shortened, and the truss bridge assembly has the advantages of difficulty in overturning and difficulty in deforming during welding.
7. Compare in traditional welding and hang the basket, the welding of establishing is hung simultaneously in shoulder pole roof beam subassembly both sides and is hung the basket, ensures can not take place to overturn, sets up the limiting plate at shoulder pole roof beam subassembly afterbody, prevents to hang the basket and drops. A retractable welding machine ignition hopper is arranged on the inner side of the welding hanging basket, and is retracted when the welding hanging basket is moved and moves along with the welding hanging basket; when the welding rod is placed down during welding operation, a better fire-catching effect can be achieved. The rainproof shed, the fire receiving hopper and the welding hanging basket are integrally designed, so that the defects that the rainproof shed is not used and the fire receiving hopper is not used due to lack of consciousness of operating personnel can be effectively avoided, and the operation safety and the welding quality are ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a welding operation platform for an inverted triangular truss according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a shoulder beam assembly provided in accordance with an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a code plate provided in an embodiment of the present invention;
fig. 4 is a schematic view of a snap-in type suspension member according to an embodiment of the invention.
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.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 4, an embodiment of the present invention provides a welding operation platform for an inverted triangular truss, including two welding baskets 1 and a carrying pole beam assembly 3 fixed on an inverted triangular circular tube truss 2, where as shown in fig. 2, the carrying pole beam assembly 3 includes two first i-beams 4, the two first i-beams 4 are fixed on the top of the inverted triangular circular tube truss 2, a length extending direction of the two first i-beams 4 is perpendicular to a length extending direction of the inverted triangular circular tube truss 2, the two welding baskets 1 are hung between the two first i-beams 4, as shown in fig. 1, along the length extending direction of the first i-beams 4, the two welding baskets 1 are respectively located at two sides of the inverted triangular circular tube truss 2, so as to form a symmetrical structure.
As shown in fig. 2-3, the two first i-beams 4 are welded to the top of the inverted triangular circular tube truss 2 through the L-shaped stacking plate 5. The carrying pole beam assembly 3 further comprises two second I-beams 6, the two second I-beams 6 are perpendicular to the two first I-beams 4, the two first I-beams 4 are connected through the second I-beams 6 in a welding mode, the two second I-beams 6 are arranged at intervals, and the two second I-beams 6 are welded with the top of the inverted triangular circular tube truss 2 through the stacking plate 5.
The welding hanging basket 1 is formed by welding a plurality of angle steels 7, and the angle steels 7 are welded in an overlapping mode. The bottom of the welding hanging basket 1 is also provided with a pattern steel plate for people standing, and the pattern steel plate is in lap welding with the angle steels 7. The bottom of the welding hanging basket 1 can be provided with a plurality of round steel side by side for people to stand.
The angle steel at the top of the welding hanging basket 1 is hung with the first I-shaped steel 4 on two sides through a buckle type hanging piece 8, the buckle type hanging piece 8 is supported on the top of the first I-shaped steel 4 and is welded with the first I-shaped steel 4 through a stacking plate 5. As shown in fig. 4, the buckle type hanging member 8 includes a first bayonet 9 for clamping a steel plate at the top of the first i-beam 4 and a second bayonet 10 for hooking and welding a steel angle at the top of the hanging basket 1, and a connecting section 13 of the first bayonet 9 and the second bayonet 10 is supported at the top of the first i-beam 4 and welded with the first i-beam 4 through the stacking plate 5. The welding hanging basket 1 is respectively hung on the two first I-shaped steels 4 through the two buckle type hanging pieces 8.
The top of basket 1 is hung in the welding is equipped with weather enclosure 11, weather enclosure 11's skeleton is the angle steel support, the bottom of angle steel support is equipped with four round steel, the top of basket is hung in the welding is equipped with and supplies four the round steel is four sleeves of pegging graft respectively. The weather enclosure 11 can effectively guarantee the welding quality.
Limiting plates arranged at two ends of the first I-shaped steel 4 can effectively prevent the welding hanging basket 1 from falling off.
One side of basket 1 is hung towards inverted triangle pipe truss 2 to the welding is equipped with and connects hopper 12, connect hopper 12 with basket 1 is hung in the welding can dismantle the connection. In this embodiment, be equipped with two dog-ear round steels on the fire receiving fill 12, be equipped with on the welding string basket 1 and supply two dog-ear round steels insert two sleeves respectively. The bevel round steel is similar to an umbrella handle, and the fire receiving hopper 12 is hung and fixed on the welding hanging basket 1 through two bevel round steel. A retractable welding machine ignition hopper is arranged on the inner side of the hanging basket, and is retracted when the hanging basket is moved and welded and moves along with the hanging basket; when the welding rod is placed down during welding operation, a better fire-catching effect can be achieved.
The invention relates to an operation platform for an inverted triangular truss during overhead welding. The common cage-hanging type operation platform is suitable for overhead welding of H-shaped steel beams or box-shaped steel beams, but when the common cage-hanging type operation platform is used for circular tube members, the common cage-hanging type operation platform is difficult to fix and has low safety coefficient. The invention changes the structure by changing the structural form of the common hanging basket and adding a symmetrical form, thereby providing a simple and practical operating platform for the welding of the inverted triangular truss string in high-altitude construction.
When welding the high-altitude steel structure, in order to ensure the operation safety and the welding quality, the welding hanging basket 1, the fire receiving hopper 12 and the rain-proof shed 11 are integrated. In combination with the inverted triangle structure form of the truss, the main stressed component is a carrying pole beam component 3 above the truss, and welding hanging baskets 1 are hung on the left side and the right side of the truss. The carrying pole beam assembly 3 and the main truss 14 are fixed by the stacking plates 5 to prevent lateral movement, the welding hanging baskets 1 on two sides are symmetrically hung, and the two sides are symmetrically constructed simultaneously, so that the construction period is shortened, and the advantages of difficult overturning and difficult deformation of the truss during welding are achieved.
Compare in traditional welding and hang the basket, 3 both sides of shoulder pole roof beam subassembly hang simultaneously and establish welding and hang basket 1, ensure can not take place to topple, set up the limiting plate at 3 afterbody of shoulder pole roof beam subassembly, prevent that to hang the basket and drop. A retractable welding machine ignition hopper 12 is arranged on the inner side of the welding hanging basket 1, and is retracted when the welding hanging basket 1 is moved and moves together with the welding hanging basket 1; when the welding rod is placed down during welding operation, a better fire-catching effect can be achieved. The rainproof shed 11, the fire receiving hopper 12 and the welding hanging basket 1 are integrally designed, so that the defect that the rainproof shed 11 and the fire receiving hopper 12 are not used due to lack of consciousness of operators can be effectively avoided, and the operation safety and the welding quality are ensured.
The invention improves the defects of a common cage hanging type operation platform when the inverted triangular truss is welded at high altitude. The common cage-hanging type operation platform is suitable for overhead welding of H-shaped steel beams or box-shaped steel beams, but when the common cage-hanging type operation platform is used for circular tube members, the common cage-hanging type operation platform is difficult to fix and low in safety factor. The invention is suitable for the overhead welding of the same type of inverted triangular truss structure by combining the characteristics of the inverted triangular truss structure, and has the following effects:
(1) the operation platform can not rock, and factor of safety is high:
the symmetrical structure of the shoulder pole beam assembly 3 avoids the problem that the common hanging basket is unstable to hang on the circular tube truss, and provides a safer operation platform for selection.
The shoulder pole beam assembly 3 is connected to the main truss 14 stably through simple welding of the limiting stopper (stacking plate), and is directly hung and welded to the truss pipe relative to a common hanging cage made of angle steel, so that the stress is safer.
The carrying pole beam assembly 3 is used as a main stress component, the size of the carrying pole beam assembly is far larger than that of an angle steel hook of a common hanging basket, the carrying pole beam assembly is not easy to damage in construction, and potential safety hazards caused by damage of structural components in construction can be avoided.
(2) The product is prepared once and is recycled for many times;
the universal operation platform can be manufactured according to standardized manufacturing requirements, and the standardization of engineering construction is improved.
After the hanging basket is manufactured in a standardized mode, the hanging basket is long in service life, circulation can be carried out among projects, the situation that a common hanging basket becomes a waste product after being used once is avoided, steel loss in engineering is reduced, and economic benefits are improved.
(3) The wind-proof and fire-receiving functions are integrated:
the fixed detachable windproof shed 11 and the retractable fire receiving hopper 12 can avoid the defect that workers do not carry the fire receiving hopper in high-altitude operation, reduce the load of the workers entering the construction position, and enable the workers to work more safely and efficiently.
The fixed fire receiving hopper 12 avoids the risk of falling and overturning when the common fire receiving hopper is hung at high altitude.
The rainproof shed 11, the fire receiving hopper 12 and the welding hanging basket 1 are integrally designed, so that the defect that the rainproof shed 11 and the fire receiving hopper 12 are not used due to lack of consciousness of operators can be effectively avoided, and the operation safety and the welding quality are ensured.
(4) Economic benefits are as follows:
compared with the traditional hanging basket, the operation platform provided by the invention can effectively improve the welding quality, reduce the condition of repair due to the quality of welding seams and reduce the extra engineering cost generated due to the repair. Meanwhile, the disposable glass can be recycled after being manufactured once, so that the measure cost can be saved by 10-20%. The corresponding mechanical cost of the circular pipe truss in the operation of using a climbing vehicle when the traditional hanging basket cannot be used is avoided, and the mechanical cost is comprehensively saved by about 100 ten thousand yuan.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a welding operation platform that can be used to inverted triangle truss which characterized in that: hang the basket including two welding, be fixed in the shoulder pole beam subassembly on the pipe truss of falling triangle, shoulder pole beam subassembly includes two first I-steel, two first I-steel is fixed in the top of the pipe truss of falling triangle, two the length extending direction of first I-steel is perpendicular with the length extending direction of the pipe truss of falling triangle, two the welding is hung the basket and is hung and locate two between the first I-steel, along the length extending direction of first I-steel, two the welding is hung the basket and is located the both sides of the pipe truss of falling triangle respectively.
2. A welding-type work platform for inverted triangular trusses as claimed in claim 1, wherein: and the first I-shaped steel is welded with the top of the inverted triangular circular tube truss through the L-shaped stacking plate.
3. A welding-type work platform for inverted triangular trusses as claimed in claim 1, wherein: the shoulder pole beam assembly further comprises two second I-beams, the two second I-beams are perpendicular to the two first I-beams and are welded and connected through the second I-beams, the two second I-beams are arranged at intervals, and the two second I-beams are welded with the top of the inverted triangular circular tube truss through the stacking plate.
4. A welding-type work platform for inverted triangular trusses as claimed in claim 1, wherein: the welding hanging basket comprises a plurality of angle steels, and the angle steels are welded in an overlapping mode.
5. A welding-type work platform for inverted triangular trusses as claimed in claim 4, wherein: the angle steel at the top of the welding hanging basket is connected with the first I-shaped steel at two sides in a hanging mode through a buckle type hanging piece respectively, and the buckle type hanging piece is supported at the top of the first I-shaped steel and welded with the first I-shaped steel through a stacking plate.
6. A welding-type work platform for inverted triangular trusses as claimed in claim 4, wherein: the bottom of the welding hanging basket is also provided with a patterned steel plate for standing people, and the patterned steel plate is in lap welding with the angle steels.
7. A welding-type work platform for inverted triangular trusses as claimed in claim 1, wherein: the top of basket is hung in the welding is equipped with the weather enclosure, the skeleton of weather enclosure is the angle steel support, the bottom of angle steel support is equipped with four round steel, the top of basket is hung in the welding is equipped with and supplies four sleeves that the round steel was pegged graft respectively.
8. A welding-type work platform for inverted triangular trusses as claimed in claim 1, wherein: one side of the welding hanging basket facing the inverted triangular circular tube truss is provided with a fire receiving hopper, and the fire receiving hopper is detachably connected with the welding hanging basket.
9. A welding-type work platform for inverted triangular trusses as claimed in claim 8, wherein: the fire receiving hopper is provided with two bevel round steels, and the welding hanging basket is provided with two sleeves for the two bevel round steels to be respectively inserted into.
10. A welding-type work platform for inverted triangular trusses as claimed in claim 1, wherein: the both ends of first I-steel are equipped with the limiting plate that prevents that the welding string basket from droing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011048486.8A CN112227692A (en) | 2020-09-29 | 2020-09-29 | Welding operation platform for inverted triangular truss |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011048486.8A CN112227692A (en) | 2020-09-29 | 2020-09-29 | Welding operation platform for inverted triangular truss |
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| Publication Number | Publication Date |
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| CN112227692A true CN112227692A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011048486.8A Pending CN112227692A (en) | 2020-09-29 | 2020-09-29 | Welding operation platform for inverted triangular truss |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116984808A (en) * | 2023-09-25 | 2023-11-03 | 中交第二公路工程局有限公司 | Steel welding anti-falling structure for bridge steel structure platform descent control device |
-
2020
- 2020-09-29 CN CN202011048486.8A patent/CN112227692A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116984808A (en) * | 2023-09-25 | 2023-11-03 | 中交第二公路工程局有限公司 | Steel welding anti-falling structure for bridge steel structure platform descent control device |
| CN116984808B (en) * | 2023-09-25 | 2024-01-19 | 中交第二公路工程局有限公司 | Steel welding anti-falling structure for bridge steel structure platform descent control device |
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