CN219604169U - Suspension type protection platform for construction of overline bridge - Google Patents
Suspension type protection platform for construction of overline bridge Download PDFInfo
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- CN219604169U CN219604169U CN202320751176.5U CN202320751176U CN219604169U CN 219604169 U CN219604169 U CN 219604169U CN 202320751176 U CN202320751176 U CN 202320751176U CN 219604169 U CN219604169 U CN 219604169U
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- supporting
- suspender
- support plate
- supporting plate
- plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The utility model provides a suspension type protection platform for construction of a flying lead bridge, which is arranged on the end part of the flying lead bridge, a plurality of precast beam plates are arranged on the flying lead bridge, a wet joint is formed between two adjacent precast beam plates, the suspension type protection platform comprises a first suspender, a first support frame, a first support plate, transverse support rods, a second suspender and a second support plate, the transverse support rods are arranged on two sides of the wet joint in a crossing manner, the upper part of the first suspender passes through the wet joint and is connected with the transverse support rods, the lower part of the first suspender is connected with the first support frame, the first support plate is arranged on the first support frame, at least one side of the flying lead bridge is provided with the second support plate, the second support plate extends upwards in an inclined manner along the edge of the first support plate, the second support plate and the first support plate are intersected to form an obtuse angle, the upper part of the second suspender is connected with the precast beam plates, and the lower part of the second suspender is connected with the second support plate. The utility model has simple structure, easy construction and operation and no need of blocking the highway.
Description
Technical Field
The utility model relates to the field of bridge construction, in particular to a suspension type protection platform for overline bridge construction.
Background
Along with the vigorous development of highway construction industry in China, more and more bridges are built, the engineering environment is more and more complex, and more bridges are arranged across the highway. In general, the upper structure of the bridge adopts an assembled prestressed concrete box girder or a precast beam plate, and sundries such as welding slag fall off to influence the driving safety of a road below the box girder or the beam plate when a wet joint, a wet joint and an anti-collision guardrail between girders of a road are constructed.
How to ensure the driving safety of the highway in construction is a great key problem of the construction of wet joints, wet joints and anti-collision guardrails among beams. The common measure is a protective shed frame, but the construction of the protective shed frame has a plurality of limitations, such as the need of sealing off road traffic channels for many times in the process of erection and dismantling, and the difficult later dismantling process.
Disclosure of Invention
The utility model aims to provide a suspension type protection platform for construction of an overpass bridge, which has a simple structure, is easy to construct and operate and does not need to seal off a highway.
In order to achieve the above object, the suspension type protection platform for construction of the overpass bridge provided by the utility model is arranged on the end part of the overpass bridge, a plurality of precast beam plates are arranged on the overpass bridge, a wet joint is formed between two adjacent precast beam plates, the suspension type protection platform comprises a first suspender, a first supporting frame, a first supporting plate, a transverse supporting rod, a second suspender and a second supporting plate, the transverse supporting rod is spanned on two sides of the wet joint, the upper part of the first suspender passes through the wet joint and is connected with the transverse supporting rod, the lower part of the first suspender is connected with the first supporting frame, the first supporting plate is arranged on the first supporting frame, at least one side of the overpass bridge is provided with the second supporting plate, the second supporting plate is arranged on the outer side of the first supporting plate, the second supporting plate extends upwards from the edge of the first supporting plate in an inclined mode, the second supporting plate is intersected with the first supporting plate to form an obtuse angle, the upper part of the second suspender is connected with the precast beam plates, and the lower part of the second suspender is connected with the second supporting plate.
According to the scheme, the first suspender and the second suspender are arranged and used for suspending the first support frame and the second support plate, so that a constructor can stand on the first support plate to perform construction operation, compared with a protective shed frame which is conventionally erected, the personal safety of the constructor and the driving safety of a lower road can be ensured, the protective platform can be installed and removed outside the road, and the road is not required to be blocked in the construction process, so that the influence on the lower road is reduced, the construction safety is improved, the construction cost is greatly reduced, and the construction period is saved; by arranging the first supporting plate and the second supporting plate, construction sundries, welding slag and the like can be effectively prevented from falling, and the driving safety of a highway is further ensured; in addition, the utility model has simple structure, light weight, less investment on manpower, machinery and equipment, convenient installation and disassembly and low overall engineering cost, and is beneficial to shortening the bridge construction period and saving the cost.
Further scheme is, suspension type protection platform still includes the second support frame, and the second support frame is connected with first support frame, and the second support frame extends from the edge tilt-up of first support frame, and the second backup pad sets up on the second support frame.
According to the scheme, the second supporting frame is arranged, so that the safety and the bearing capacity of the second supporting plate are improved.
The projection length of the second supporting plate protruding out of the side face of the flying lead bridge is larger than the falling radius of the current high working height on the horizontal projection plane.
According to the scheme, the projection length of the second supporting plate protruding out of the side face of the overline bridge is larger than the falling radius of the current high-altitude operation height, so that construction sundries, welding slag and the like on the bridge side can be effectively prevented from falling to a highway.
The method comprises the further steps that on a horizontal projection plane, the projection length of the second support frame protruding out of the side face of the span bridge is larger than the falling radius of the current high-altitude operation height.
According to the scheme, the projection length of the second support frame protruding out of the side face of the overline bridge is larger than the falling radius of the current high operation height, matching with the second support plate is facilitated, and the bearing capacity of each part of the second support plate is balanced.
Further, the first support frame includes many first square steels, and many first square steels vertically and horizontally arrange the setting, and the second support frame includes many second square steels, and many second square steels vertically and horizontally arrange the setting.
According to the scheme, the square steel is arranged vertically and horizontally to form the corresponding support frame, so that the structure of the support frame is simplified, and the support frame is convenient to assemble and disassemble.
Further scheme is, first backup pad and second backup pad are the plywood, and first backup pad passes through the bolt to be linked firmly with first support frame, and the second backup pad passes through the bolt to be linked firmly with the second support frame.
According to the scheme, the supporting plates and the corresponding supporting frames are fixedly connected together, so that relative movement between the supporting plates and the supporting frames is prevented, and safety is further improved.
The further scheme is that the transverse supporting rod is formed by welding at least two steel bars side by side, a hook part is arranged on the upper portion of the first suspender, and the hook part is connected with the transverse supporting rod.
According to the scheme, at least two reinforcing steel bars are arranged and welded side by side to form the transverse supporting rod, so that the structural strength of the transverse supporting rod is improved.
Drawings
FIG. 1 is a block diagram of an embodiment of the present utility model and a bridge.
Fig. 2 is a structural view in the lateral direction of an embodiment of the present utility model.
Fig. 3 is a longitudinal structural view of an embodiment of the present utility model.
Fig. 4 is a structural view of a first supporting frame and a first supporting plate in an embodiment of the present utility model.
The utility model is further described below with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 4, the suspension type protection platform provided in this embodiment may be used for construction of an overpass bridge, and is disposed on one end of the overpass bridge in the longitudinal direction and above an existing highway. The overpass bridge of this embodiment includes three columns 10 disposed on one side of a highway, a capping beam 20 disposed on the three columns 10, seven precast beam plates 30 disposed on the capping beam 20, the precast beam plates 30 of this embodiment are preferably T-beams, the precast beam plates 30 extend longitudinally along the bridge, a wet joint 40 is formed between two adjacent precast beam plates 30, and an external leakage reinforcement (not shown in the figure) is disposed in each wet joint 40. The bridge span of the embodiment can be other bridges with wet joints, for example, a plurality of assembled prestressed concrete box girders are arranged on a bent cap, and the wet joints are formed between two adjacent assembled prestressed concrete box girders.
The suspension type protection platform comprises a first support frame 1, a first support plate 2, a second support frame 3, a second support plate 4, a plurality of first suspenders 5, a plurality of transverse support rods 6 and a plurality of second suspenders 7.
The first support frame 1 extends along the transverse direction of the overpass bridge and spans the lower parts of six wet joints 40, in order to improve the hanging firmness and bearing capacity of the first support frame 1, at least two first suspenders 5 are preferably arranged in each wet joint 40, the first suspenders 5 are arranged along the extending direction of the wet joint 40, transverse supporting rods 6 are arranged above each wet joint 40, the transverse supporting rods 6 are arranged in one-to-one correspondence with the first suspenders 5, and the transverse supporting rods 6 span the two sides of the wet joint 40. The upper part of the first suspender 5 is provided with a first hook part which is connected with a corresponding transverse supporting rod 6; the lower part of the first suspender 5 is welded or fixedly connected with the first support frame 1 through screws, and the two first suspenders 5 in the same wet joint 40 are respectively connected on two sides of the first support frame 1, so that the first support frame 1 can be hung in the air stably.
To prevent the lateral support bar 6 from moving in the direction of extension of the wet joint 40, it is preferable to tie the lateral support bar 6 with the out-leakage reinforcement within the wet joint 40 using wire or steel filaments.
In order to improve the supporting strength of the transverse supporting rod 6, the transverse supporting rod 6 may be welded by at least two steel bars, and in this embodiment, two finish-rolled deformed steel bars are welded and fixed together.
The first support plate 2 is disposed on the first support frame 1, and the length and width of the first support plate 2 are preferably equal to those of the first support frame 1.
The second support plate 4 is arranged on at least one side of the cross line bridge in the transverse direction, the second support plate 4 is arranged on the outer side of the first support plate 2, the second support plate 4 extends obliquely upwards from the edge of the first support plate 2, and construction sundries and welding slag can be effectively prevented from falling onto a highway during bridge side construction. The both ends of second jib 7 all are provided with second hook portion, and second jib 7 is connected with the top of one prefabricated beam slab 30 of marginal on the second hook portion of last, and second jib 7 is connected with second backup pad 4 at the second hook portion of lower, and second jib 7 is in the inclined condition generally, and each second backup pad 2 longitudinal both ends all are provided with second jib 7. The first hanger bar 5 and the second hanger bar 7 are preferably made of finish rolled screw steel, and the first hook portion is integrally formed with the first hanger bar 5, and the second hook portion is integrally formed with the second hanger bar 7.
According to the embodiment, the first support plate 2 and the second support plate 4 are respectively arranged at the bottom and the outer side of the overpass bridge to form a closed working space, construction sundries and welding slag are prevented from falling down on the existing road below, and the safety performance of the bridge can be effectively improved.
In order to improve the safety, guard rails may be further provided on the other periphery of the protection platform than the second support plate 4, and the second support plate 4 may itself function as a guard rail due to the inclined arrangement.
In this embodiment, the second backup pad 4 intersects with first backup pad 2 and becomes the obtuse angle, can enlarge construction operation space and block debris on the one hand, and on the other hand can also act as the guardrail and use, compares with traditional totally enclosed rail guard, has the advantage of improving light and improvement ventilation effect, improves good construction environment for constructor.
In order to improve the bearing strength of the second supporting plate 4, the suspension type protection platform further comprises a second supporting frame 3, the second supporting frame 3 is connected with the first supporting frame 1, and the second supporting frame 3 extends upwards in an inclined mode from the edge of the first supporting frame 1. The first support frame 1 and the respective one side of second support frame 3 accessible angle bar fixed connection, perhaps, the first support frame 1 also accessible articulated elements of respective one side of second support frame 3 are in the same place for the second support frame 3 can rotate around the articulated department of both, conveniently assemble the construction, improve work efficiency. The second support plate 4 is arranged on the second support frame 3, and the lower part of the second suspender 7 is preferably fixedly connected with the second support frame 3.
The second support frame 3 and the second support plate 4 are each inclined outwardly and upwardly from under the edge of one of the precast beam panels 30 at the very edge, or the second support frame 3 and the second support plate 4 are each inclined outwardly and upwardly from under one of the wet joints 40 nearest the edge.
It should be noted that, whether it is inclined upwardly from below the edge of one of the precast beam panels 30 at the extreme edge or from below one of the wet joints 40 closest to the edge, it is necessary to ensure that the projected length of the second support plate 4 projecting beyond the side of the bridge span on the horizontal projection plane is greater than the falling radius of the current working height, so as to ensure that construction debris or welding slag can fall only on the second support plate 4 and the first support plate 2 without falling onto the existing road below. The falling radius is the distance between the falling point on the falling height reference surface and the intersection point of the vertical line passing through the falling point and the falling height reference surface. For example: when the current high working height is 2m to 5m, the falling radius is 3m; when the current high working height is 5m to 15m, the falling radius is 4m; when the current high working height is 15m to 30m, the falling radius is 5m. Further, on the horizontal projection plane, the projection length of the second support frame 3 protruding out of the side surface of the bridge is also larger than the falling radius of the current high working height, so that the bearing capacity and the bearing force of the second support plate 4 can be balanced.
In fig. 4, the first supporting frame 1 includes a plurality of first square steels 11, the plurality of first square steels 11 are arranged vertically and horizontally, and every two intersecting first square steels 11 are fixedly connected by bolts, or every two intersecting first square steels 11 are fixedly welded.
Correspondingly, the second supporting frame 3 comprises a plurality of second square steels, the plurality of second square steels are arranged vertically and horizontally, and every two intersected second square steels are fixedly connected through bolts or every two intersected second square steels are fixedly welded.
The first support plate 2 and the second support plate 4 can be plastic plates, glued plates or metal plates and other flat plates, the preferred glued plates of this embodiment are lighter and easy to construct, the first support plate 2 is fixedly connected with the first support frame 1 through rivets or bolts, the second support plate 4 is fixedly connected with the second support frame 3 through rivets or bolts, external forces such as wind force or manpower are avoided to accidentally push the support plates and the support frames to move relatively, and safety is improved.
In summary, the first suspender and the second suspender are arranged and used for suspending the first support frame and the second support plate, so that constructors can stand on the first support plate to perform construction operation, compared with a protective shed frame which is conventionally erected, the personal safety of constructors and the driving safety of a lower road can be ensured, the protective platform can be installed and removed outside the road, and the road is not required to be blocked in the construction process, so that the influence on the lower road is reduced, the construction safety is improved, the construction cost is greatly reduced, and the construction period is saved; by arranging the first supporting plate and the second supporting plate, construction sundries, welding slag and the like can be effectively prevented from falling, and the driving safety of a highway is further ensured; in addition, the utility model has simple structure, light weight, less investment on manpower, machinery and equipment, convenient installation and disassembly and low overall engineering cost, and is beneficial to shortening the bridge construction period and saving the cost.
Finally, it should be emphasized that the foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the utility model, but rather that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any modifications, equivalent substitutions, improvements, etc. are intended to be included within the scope of the present utility model.
Claims (7)
1. A suspension type protection platform for construction of overline bridge sets up on the tip of overline bridge, be provided with a plurality of precast beam boards on the overline bridge, adjacent two be formed with wet seam, its characterized in that between the precast beam board:
the suspended protection platform comprises a first suspender, a first supporting frame, a first supporting plate, a transverse supporting rod, a second suspender and a second supporting plate, wherein the transverse supporting rod is arranged on two sides of a wet joint in a crossing mode, the upper portion of the first suspender penetrates through the wet joint and is connected with the transverse supporting rod, the lower portion of the first suspender is connected with the first supporting frame, the first supporting plate is arranged on the first supporting frame, at least one side of a line-crossing bridge is provided with the second supporting plate, the second supporting plate is arranged on the outer side of the first supporting plate, the second supporting plate extends from the edge of the first supporting plate in an upward inclined mode, the second supporting plate and the first supporting plate are intersected to form an obtuse angle, the upper portion of the second suspender is connected with the precast beam plate, and the lower portion of the second suspender is connected with the second supporting plate.
2. The suspended protective platform for overpass bridge construction of claim 1, wherein:
the suspension type protection platform further comprises a second supporting frame, the second supporting frame is connected with the first supporting frame, the second supporting frame extends from the edge of the first supporting frame in an upward inclined mode, and the second supporting plate is arranged on the second supporting frame.
3. The suspended protective platform for overpass bridge construction of claim 2, wherein:
on a horizontal projection plane, the projection length of the second support plate protruding out of the side surface of the overpass bridge is larger than the falling radius of the current high working height.
4. A suspended guard platform for use in flying lead bridge construction as claimed in claim 3, wherein:
on a horizontal projection plane, the projection length of the second support frame protruding out of the side surface of the overpass bridge is larger than the falling radius of the current high working height.
5. The suspended protective platform for overpass bridge construction of claim 2, wherein:
the first support frame includes many first square steel, many first square steel vertically and horizontally arranges the setting, the second support frame includes many second square steel, many second square steel vertically and horizontally arranges the setting.
6. The suspended protective platform for overpass bridge construction of claim 2, wherein:
the first support plate and the second support plate are both plywood, the first support plate is fixedly connected with the first support frame through bolts, and the second support plate is fixedly connected with the second support frame through bolts.
7. The suspended protective platform for overpass bridge construction of claim 1, wherein:
the transverse supporting rod is formed by welding at least two steel bars side by side, a hook part is arranged on the upper portion of the first suspender, and the hook part is connected with the transverse supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320751176.5U CN219604169U (en) | 2023-04-06 | 2023-04-06 | Suspension type protection platform for construction of overline bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320751176.5U CN219604169U (en) | 2023-04-06 | 2023-04-06 | Suspension type protection platform for construction of overline bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219604169U true CN219604169U (en) | 2023-08-29 |
Family
ID=87744209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320751176.5U Active CN219604169U (en) | 2023-04-06 | 2023-04-06 | Suspension type protection platform for construction of overline bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219604169U (en) |
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2023
- 2023-04-06 CN CN202320751176.5U patent/CN219604169U/en active Active
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