CN212452302U - A operation platform for girder steel bottom construction - Google Patents
A operation platform for girder steel bottom construction Download PDFInfo
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- CN212452302U CN212452302U CN202020563417.XU CN202020563417U CN212452302U CN 212452302 U CN212452302 U CN 212452302U CN 202020563417 U CN202020563417 U CN 202020563417U CN 212452302 U CN212452302 U CN 212452302U
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Abstract
The utility model discloses an operation platform for construction of steel beam bottom, which comprises a section steel frame arranged along the horizontal direction, guardrails are fixed around the section steel frame, a panel is fixed on the top surface of the section steel frame, a hanging bracket is respectively fixed on the front side and the rear side of the left side and the right side of the panel, each hanging bracket comprises a left vertical plate, a right vertical plate and a connecting plate fixed between the vertical plates, a pin hole is respectively arranged on the upper part of the vertical plates along the same horizontal axis, each hanging bracket is fixedly connected with a single-rail trolley through a bolt, the wheels of four single-rail trolleys on the left side and the right side are respectively hung on the lower flange plate of an I-steel positioned on the left side and the right side of the bottom of the lower bridge floor and arranged along the horizontal direction, the single-rail trolley is provided with a driving iron chain, the wheels of the single-rail trolley can move back and forth along, and a baffle is fixed at the end of the I-shaped steel. The structure ensures the construction safety and improves the construction efficiency.
Description
Technical Field
The utility model relates to an operation platform especially relates to an operation platform that is used for girder steel bottom to be under construction.
Background
At present, some bridges are double-tower double-cable-plane public-rail dual-purpose steel truss girder cable-stayed bridges, the upper layer is a public road bridge, and the lower layer is a light rail bridge. And all the rod pieces and all the sections of the steel truss girder are connected by adopting high-strength bolts and welding modes. The bottom of the lower bridge floor is provided with construction procedures such as welding, high-strength bolt screwing, ceramic liner pasting and the like, so that an operation platform is required to be arranged at the bottom of the lower bridge floor in the construction process.
If the steel truss girder is assembled to span rivers and existing municipal roads, the assembly belongs to cantilever assembly, the height from the ground reaches 50m, and members such as electric welding sparks, bolts and the like are not allowed to fall in the construction process. General steel pipe support of setting up is difficult to the realization basically, need along with steel truss beam assembles the repeated installation of progress and demolishs at bridge floor bottom installation simple and easy stores pylon operation platform, and is time-consuming, hard, and can not guarantee not have the object that falls from high altitude, and the safety risk is great.
Disclosure of Invention
An object of the utility model is to overcome prior art's shortcoming, provide one kind and guaranteed construction safety, avoided the high altitude weight thing, improved work efficiency and reduced construction cost's an operation platform for girder steel bottom construction.
An operation platform for steel beam bottom construction comprises a profile steel frame arranged along the horizontal direction, guardrails are fixed around the profile steel frame along the vertical direction, a panel is fixed on the top surface of the profile steel frame, a hanging bracket is respectively fixed on the front side and the rear side of the left side and the front side and the rear side of the right side of the panel, each hanging bracket comprises a left vertical plate and a right vertical plate arranged along the vertical direction and a connecting plate fixed between the left vertical plate and the right vertical plate, the upper parts of the left vertical plate and the right vertical plate are respectively provided with a pin hole along the same horizontal axis, each hanging bracket is connected with a single-rail trolley, the bottom wall of the single-rail trolley is provided with a left connecting plate and a right connecting plate along the vertical direction, the left connecting plate and the right connecting plate are respectively provided with pin holes, the left vertical plate and the right vertical plate are positioned between the left connecting plate and the right, the wheels of the two left monorail trolleys are respectively hung on the top wall of the lower flange plate of the I-steel which is positioned on the left side of the bottom of the lower bridge deck and arranged along the horizontal direction, the wheels of the two right monorail trolleys 7 are respectively hung on the top wall of the lower flange plate of the I-steel which is positioned on the right side of the bottom of the lower bridge deck and arranged along the horizontal direction, the wheels of the monorail trolleys can move back and forth along the two I-steels, and the left side and the right side of the upper flange plate of each I-steel are respectively fixedly connected with the steel beam at the bottom of the lower bridge.
The utility model discloses construction safety has been guaranteed to the structure, has avoided the high altitude to fall down the thing, has improved work efficiency and has reduced construction cost about 50%.
Drawings
Fig. 1 is a front view of an operation platform for steel beam bottom construction of the present invention;
FIG. 2 is a left side view of the structure shown in FIG. 1;
FIG. 3 is a top view of the structure shown in FIG. 1;
fig. 4 is an enlarged schematic view at a in the structure shown in fig. 1.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses an operation platform for girder steel bottom construction as shown in the attached drawing, including the shaped steel frame 4 that sets up along the horizontal direction, be fixed with guardrail 5 along the vertical direction around the shaped steel frame 4, be fixed with the panel on the top surface of shaped steel frame 4, be fixed with a gallows 6 respectively in the front and back both sides on the left side of panel and the front and back both sides on the right side, each gallows 6 all include along the vertical direction set up left and right riser and fix the connecting plate between left and right riser, open a pinhole along the same horizontal axis respectively on the upper portion of left and right riser, be connected with a single track dolly 7 (can purchase in the market) on each gallows 6, be provided with left and right connecting plate along the vertical direction on the bottom wall of single track dolly 7, open the pinhole respectively on left and right connecting plate, the left vertical plate and the right vertical plate are positioned between the left connecting plate and the right connecting plate, and each hanging bracket 6 is fixedly connected through bolts penetrating through pin holes in the left vertical plate and the right vertical plate and pin holes in the left connecting plate and the right connecting plate. The wheels of the two left monorail trolleys 7 are respectively hung on the top wall of the lower flange plate of the I-shaped steel 2 which is positioned on the left side of the bottom of the lower bridge floor and arranged along the horizontal direction, the wheels of the two right monorail trolleys 7 are respectively hung on the top wall of the lower flange plate of the I-shaped steel 2 which is positioned on the right side of the bottom of the lower bridge floor and arranged along the horizontal direction, and the wheels of the monorail trolleys 7 can move back and forth along the two I-shaped steels 2. The I-steel 2 is preset at the bottom of the lower bridge floor during construction of the lower bridge floor, and the left side and the right side of an upper flange plate of each I-steel 2 are fixedly connected with a steel beam 1 at the bottom of the lower bridge floor through bolts 3 respectively.
Preferably, the front end and the rear end of any one I-shaped steel 2 are respectively fixed with a baffle plate 9 to prevent the monorail trolley 6 from separating from the I-shaped steel 2.
Preferably, each pulling monorail trolley 6 is connected with an iron chain 8, and after construction of each area is completed, the iron chains on the pulling monorail trolleys 7 are pulled to enable the whole operation platform to move back and forth to reach the next construction area.
The utility model discloses during the device use: an operator works on the operating platform, and when the operating platform needs to be moved, the iron chain 8 on the monorail trolley 7 is manually pulled to drive the roller on the monorail trolley to rotate, so that the monorail trolley 7 moves along the I-steel 2; a panel (preferably a patterned steel plate) is laid at the bottom of the operating platform, so that sundries falling in the construction process fall on the operating platform and cannot fall to the ground, and falling objects can be effectively avoided; any area construction at the bottom of the beam can be achieved by moving the operation platform in the construction process, other operation platforms do not need to be built, and the working efficiency is improved.
To sum up, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is familiar with the technical field of the present invention in the technical scope disclosed by the present invention, according to the technical solution of the present invention and the utility model thereof, the concept of the present invention is equivalent to replace or change, and all should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides an operation platform for girder steel bottom construction, includes the shaped steel frame that sets up along the horizontal direction shaped steel frame be fixed with the guardrail along vertical direction all around the top surface of shaped steel frame on be fixed with panel, its characterized in that: the front side and the rear side of the left side and the front side and the rear side of the right side of the panel are respectively fixed with a hanging bracket, each hanging bracket comprises a left vertical plate and a right vertical plate which are arranged along the vertical direction and a connecting plate which is fixed between the left vertical plate and the right vertical plate, the upper parts of the left vertical plate and the right vertical plate are respectively provided with a pin hole along the same horizontal axis, each hanging bracket is connected with a single-rail trolley, the bottom wall of the single-rail trolley is provided with a left connecting plate and a right connecting plate along the vertical direction, the left connecting plate and the right connecting plate are respectively provided with pin holes, the left vertical plate and the right vertical plate are positioned between the left connecting plate and the right connecting plate, each hanging bracket is fixedly connected through bolts which pass through the pin holes on the left vertical plate and the pin holes on the left connecting, the wheels of the two single-rail trolleys on the right side are respectively hung on the top wall of the lower flange plate of the I-steel which is positioned on the right side of the bottom of the lower bridge floor and arranged along the horizontal direction, the wheels of the single-rail trolleys can move back and forth along the two I-steels, and the left side and the right side of the upper flange plate of each I-steel are respectively fixedly connected with the steel beam at the bottom of the lower bridge floor through bolts.
2. The work platform for the construction of the bottom of steel beams according to claim 1, wherein: the front end and the rear end of any one I-shaped steel are respectively fixed with a baffle.
3. The work platform for the construction of the bottom of steel beams according to claim 1 or 2, wherein: each single-rail pulling trolley is connected with an iron chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020563417.XU CN212452302U (en) | 2020-04-16 | 2020-04-16 | A operation platform for girder steel bottom construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020563417.XU CN212452302U (en) | 2020-04-16 | 2020-04-16 | A operation platform for girder steel bottom construction |
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| Publication Number | Publication Date |
|---|---|
| CN212452302U true CN212452302U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020563417.XU Active CN212452302U (en) | 2020-04-16 | 2020-04-16 | A operation platform for girder steel bottom construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233033A (en) * | 2021-12-29 | 2022-03-25 | 武船重型工程股份有限公司 | High altitude safety net mobile device |
-
2020
- 2020-04-16 CN CN202020563417.XU patent/CN212452302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233033A (en) * | 2021-12-29 | 2022-03-25 | 武船重型工程股份有限公司 | High altitude safety net mobile device |
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