CN215801120U - Construction reinforcing platform for medium and small span beam bridge - Google Patents
Construction reinforcing platform for medium and small span beam bridge Download PDFInfo
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- CN215801120U CN215801120U CN202122316744.2U CN202122316744U CN215801120U CN 215801120 U CN215801120 U CN 215801120U CN 202122316744 U CN202122316744 U CN 202122316744U CN 215801120 U CN215801120 U CN 215801120U
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Abstract
The utility model provides a construction reinforcing platform for a middle and small span girder bridge, which comprises a construction platform, wherein a track is arranged on the top surface of the construction platform, the track is arranged in parallel to the length direction of the construction platform, a sliding wheel is arranged on the track in a rolling manner, and a jacking machine is arranged on the track in a sliding manner through the sliding wheel; fences are arranged on two opposite sides of the top surface of the construction platform, and the jacking machine is arranged between the fences on the two sides; construction platform's the relative both sides all are provided with pulley gear, and this relative both sides are on a parallel with construction platform's width direction, and pulley gear is located the outside of fence, and construction platform passes through pulley gear slidable mounting on the slide rail, and the slide rail passes through the bracket post on the bridge beam column to be fixed on the bridge, and the slide rail sets up along bridge width direction to there is one end to stretch out the bridge beam outside. This device can ensure construction safety can consolidate the wide girder bridge of bridge floor again, is convenient for realize adopting heavy section materials such as outer steel sheet of pasting to consolidate the bridge floor, labour saving and time saving, saving cost, and application scope is wide and do not influence the traffic again.
Description
Technical Field
The utility model relates to the field of bridge construction, in particular to a construction reinforcing platform for a medium and small span girder bridge.
Background
In recent years, with higher and higher ownership rate of private car owners, the traffic flow of the bridge is rapidly increased, so that the bridge is in an overload state, and the bridge deck is easy to crack, therefore, the bridge deck needs to be reinforced to ensure that the bridge can normally work.
At present, the common methods for reinforcing bridge decks are: grouting repair, reinforcing by externally pasting a steel plate and reinforcing by an FRP material, wherein the reinforcing by the FRP material is divided into reinforcing by externally pasting an FRP sheet (cloth), reinforcing by an FRP (rib material) grid, reinforcing by a prestressed FRP rib and reinforcing by an embedded FRP rib. The method is applied to reinforcing the bridge bottom surface, a construction platform needs to be provided for constructors, and the conventional bridge floor construction reinforcing platform mainly comprises the following steps: the bridge inspection vehicle, the tower support and the conventional construction platform. However, the above construction reinforcing platforms all have disadvantages, wherein the length of the bridge inspection vehicle platform is limited, no time is available for the bridge with wide bridge surface, in addition, the bridge inspection vehicle runs on the bridge, the normal traffic operation is influenced, the shift of the bridge inspection vehicle platform is expensive, and the reliability is low; the tower support has a limited application range, is only suitable for bridges with small clearance below bridges and good foundations, and can be arranged above bridges built above rivers only by arranging ship floating plates on the rivers, and generally, the tower support is used as a construction reinforcing platform, so that time and labor are wasted; the conventional construction platform is also not suitable for bridges with wide bridge surfaces, is difficult to move, and is difficult to construct by methods of needing external steel sheets and the like to reinforce bridge surfaces. The not enough of platform is consolidated in above construction for beam bridge floor reinforcement is consuming time and is hard and difficult, in order to solve above-mentioned not enough, the chinese utility model patent that has bulletin number CN201720794689 at present provides a bridge girder steel detects and removes construction platform, utilize the cassette, L shape connecting seat and slide rail splice become the work platform that can slide on the girder steel, but this platform does not install the rail guard, there is the potential safety hazard, simultaneously to the wide bridge of bridge face i.e. the bridge that the girder steel is many need dismantle repeatedly or install a plurality of tracks to the track, consuming time power and with high costs. Another chinese utility model patent with publication No. CN201820707145 proposes a combined wet joint construction platform for a bridge, which is provided with a bottom plate and two side guard rails to ensure safety, but is not suitable for being used as a bridge construction reinforcing platform when being arranged between beam bodies. Furthermore, the utility model discloses a chinese utility model patent application with publication number CN202010421890 provides an efficient bridge engineering construction platform, can realize that the workstation removes about, has solved horizontal bridge width and has consolidated the problem, nevertheless to adopting heavy section materials such as outer steel sheet to consolidate the bridge face, this platform no matter all wastes time and energy the operation difficulty in heavy material transportation or constructor work progress.
Therefore, in order to solve the problems, the utility model provides a novel middle and small span girder bridge construction reinforcing platform which is convenient for reinforcing the bridge deck of a girder bridge.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the middle and small span girder bridge construction reinforcing platform comprises a construction platform, wherein a track is arranged on the top surface of the construction platform and is parallel to the length direction of the construction platform, a sliding wheel is arranged on the track in a rolling manner, a jacking machine is installed on the track in a sliding manner through the sliding wheel, and the telescopic direction of the jacking machine is the vertical direction; fences are arranged on two opposite sides of the top surface of the construction platform, the two opposite sides are parallel to the length direction of the construction platform, and the jacking machine is arranged between the fences on the two sides; construction platform's relative both sides all are provided with pulley gear, and this relative both sides are on a parallel with construction platform's width direction, pulley gear is located the outside of fence, construction platform passes through pulley gear slidable mounting on the slide rail, the slide rail passes through the bracket post on the bridge post and fixes on the bridge, the slide rail sets up along bridge width direction to there is one end to stretch out the bridge outside.
Preferably, the width of the beam bridge is equal to the sum of the widths of a plurality of beams arranged side by side, the width of the construction platform is equal to the width of one beam, and the length of the construction platform is equal to the distance between two bridge columns of the beam bridge.
Preferably, the rail is located in the middle between the two side fences.
Preferably, the rail is of a strip-shaped groove structure, and the top surface of the rail is flush with the top surface of the construction platform.
Preferably, the pulley device comprises a pulley and a motor device for driving the pulley to rotate, and the construction platform is connected to the sliding rail in a sliding mode through the pulley.
Preferably, the pulley means is mounted at the end of the fence.
Preferably, one end of the slide rail is flush with one end of the bridge in the width direction, and the other end of the slide rail extends to the outer side of the other end of the bridge in the width direction.
Preferably, the length of the slide rail extending out of the bridge is equal to 0.5-1 times of the width of the construction platform.
Compared with the prior art, the utility model has the following beneficial effects:
1. the construction platform transversely (in the width direction of the girder bridge) slides by utilizing the slide rails and the pulley devices, so that the bridge deck of the girder bridge can be reinforced no matter how wide the bridge deck of the girder bridge is; in addition, the slide rails extend to the outer side of the beam bridge, so that the construction platform can slide out of the bridge floor, and thus, the transportation of relatively heavy bridge deck reinforcing materials such as long steel sheets is facilitated, and the materials can be directly put on the construction platform from the bridge, thereby simplifying a transportation channel and saving the cost; moreover, the construction platform is provided with the concave track and is provided with the jacking machine, so that heavy materials can be lifted by the jacking machine at any position of the platform while normal construction walking is not hindered, construction is facilitated for constructors, and the method of externally attaching the heavy materials (such as externally attaching steel plates and the like) to reinforce the bridge floor is simple and convenient; and finally, guard rails are arranged on two sides of the construction platform, so that the construction safety is ensured.
2. Compared with the conventional bridge deck construction reinforcing platform such as a bridge inspection vehicle, a tower support, a conventional construction platform and the like, the construction reinforcing platform provided by the utility model overcomes the defects, can ensure the construction safety, can reinforce a beam bridge with a wide bridge deck, is convenient to realize the reinforcement of the bridge deck by adopting heavy materials such as externally-attached steel plates, saves time and labor and cost, and has a wide application range without influencing traffic.
3. The utility model can be suitable for various beam bridges, is convenient to construct and operate and has high popularization value.
Drawings
Figure 1 is a schematic illustration of the construction platform of the present invention slid out of the deck.
Figure 2 is a top view of the construction platform of the present invention slid out of the deck.
Fig. 3 is a schematic structural view of the construction platform of the present invention.
Figure 4 is a partial top view of the construction platform of the present invention.
Fig. 5 is a sectional view of fig. 4 taken along line 1-1.
Description of the main elements
In the figure: the structure comprises a beam bridge 1, a sheet beam 2, a bridge column 3, a corbel column 4, a construction platform 5, a track 6, a sliding wheel 7, a jacking machine 8, a sliding rail 9, a pulley device 10 and a fence 11.
The following detailed description will further illustrate the utility model in conjunction with the above-described figures.
Detailed Description
Referring to fig. 1 to 5, in a preferred embodiment of the present invention, a middle and small span girder bridge construction reinforcing platform comprises a construction platform 5, a rail 6 is disposed on a top surface of the construction platform 5, the rail 6 is disposed parallel to a length direction of the construction platform 5, a sliding wheel 7 is rotatably mounted on the rail 6, and a lifter 8 is slidably mounted through the sliding wheel 7, a telescopic direction of the lifter 8 is an up-down direction, so as to lift a reinforcing material with a certain weight, such as a steel sheet, and facilitate construction of a constructor, and the lifter 8 is designed to be slidable, so as to push the lifter 8 to different positions, thereby facilitating lifting of a bridge deck reinforcing material with a certain weight at different positions on the construction platform 5, and facilitating a constructor to reinforce bridge decks at different positions on the construction platform 5. In this embodiment, the rail 6 is located in the middle between the two side fences 11, so that both opposite sides of the rail 6 can be used for the constructors to walk, and the construction is convenient. Preferably, the track 6 is a strip-shaped groove structure, and the top surface of the track is flush with the top surface of the construction platform 5, so as to avoid the arrangement of the track 6 from obstructing the normal traffic on the construction platform 5.
Further, the width of the beam bridge 1 is equal to the sum of the widths of a plurality of beams 2 arranged side by side, the width of the construction platform 5 is equal to the width of one beam 2, and the length of the construction platform 5 is equal to the distance between two bridge columns 3 of the beam bridge 1; the length of the slide rail 9 extending out of the girder bridge 1 is equal to 0.5-1 time of the width of the construction platform 5, so that the construction platform 5 can conveniently extend out of the outer side of the bridge deck of the girder bridge 1. Preferably, in this embodiment, one end of the slide rail 9 is flush with one end of the bridge 1 in the width direction, and the other end extends to the outer side of the other end of the bridge 1 in the width direction, so that the construction platform 5 can comprehensively reinforce the bridge 1.
Preferably, the pulley device 10 comprises a pulley and a motor device for driving the pulley to rotate, the construction platform 5 is slidably connected to the slide rail 9 through the pulley, and the motor device controls the construction platform 5 to slide transversely. The pulley device 10 is arranged at the end part of a fence 11 and is arranged on the construction platform 5 through the fence 11.
In the utility model, the bracket column 4 is fixed on the bridge column 3 of the beam bridge 1, the slide rail 9 is placed on the bracket column 4 and fixed by fasteners such as bolts and the like, so that the slide rail 9 is fixed.
The construction steps of the construction reinforced platform of the utility model are as follows:
s1, manufacturing a construction platform 5: customizing a required construction platform 5 according to the length of a beam bridge 1 to be reinforced and the width of one beam 2, and arranging fences 11 with the height of about 1.5m on two sides of the construction platform 5; installing a lower concave track 6 at the center of the construction platform 5, and placing a jacking machine 8 with a sliding wheel 7 on the track 6 to realize that the jacking machine 8 can longitudinally slide back and forth on the construction platform 5 through thrust;
s2, mounting rail 6, and pulley device 10: a bridge reinforcing method is defined, a slide rail 9 meeting the requirement of bearing is selected, a slide rail 9 which is longer than the bridge width of a bridge 1 is selected, the slide rail 9 is horizontally placed, one end of the slide rail 9 is flush with the bridge 1 in the width direction, and the other end of the slide rail 9 is tightly installed on the ox leg column 4 through a bolt after exceeding the bridge body; after the slide rail 9 is installed, a pulley is placed, and the customized construction platform 5 is installed on the slide rail 9 through the pulley;
s3, connecting a motor device to regulate and control the construction platform 5: the motor device is connected with the pulley, the motor device is regulated and controlled, whether the construction platform 5 slides according to the operation is verified, the construction platform cannot be reinstalled, and the installation of the construction reinforcing platform can be finished.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (8)
1. Well small-span girder bridge construction reinforcing platform, including construction platform, its characterized in that: the top surface of the construction platform is provided with a track, the track is arranged in parallel to the length direction of the construction platform, sliding wheels are arranged on the track in a rolling mode, a jacking machine is installed in a sliding mode through the sliding wheels, and the telescopic direction of the jacking machine is the vertical direction; fences are arranged on two opposite sides of the top surface of the construction platform, the two opposite sides are parallel to the length direction of the construction platform, and the jacking machine is arranged between the fences on the two sides; construction platform's relative both sides all are provided with pulley gear, and this relative both sides are on a parallel with construction platform's width direction, pulley gear is located the outside of fence, construction platform passes through pulley gear slidable mounting on the slide rail, the slide rail passes through the bracket post on the bridge post and fixes on the bridge, the slide rail sets up along bridge width direction to there is one end to stretch out the bridge outside.
2. The middle and small span girder bridge construction reinforcing platform of claim 1, characterized in that: the width of the beam bridge is equal to the sum of the widths of a plurality of beams arranged side by side, the width of the construction platform is equal to the width of one beam, and the length of the construction platform is equal to the distance between two bridge columns of the beam bridge.
3. The middle and small span girder bridge construction reinforcing platform of claim 1, characterized in that: the rail is located in the middle between the two side fences.
4. The middle and small span girder bridge construction reinforcing platform of claim 1, characterized in that: the track is of a strip-shaped groove structure, and the top surface of the track is flush with the top surface of the construction platform.
5. The middle and small span girder bridge construction reinforcing platform of claim 1, characterized in that: the pulley gear comprises a pulley and a motor device for driving the pulley to rotate, and the construction platform is connected to the sliding rail through the pulley in a sliding mode.
6. The middle and small span girder bridge construction reinforcing platform of claim 1, characterized in that: the pulley device is arranged at the end part of the fence.
7. The middle and small span girder bridge construction reinforcing platform of claim 1, characterized in that: one end of the sliding rail is flush with one end of the beam bridge in the width direction, and the other end of the sliding rail extends to the outer side of the other end of the beam bridge in the width direction.
8. The middle and small span girder bridge construction reinforcing platform of claim 1, characterized in that: the length of the slide rail extending out of the bridge is equal to 0.5-1 time of the width of the construction platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316744.2U CN215801120U (en) | 2021-09-24 | 2021-09-24 | Construction reinforcing platform for medium and small span beam bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316744.2U CN215801120U (en) | 2021-09-24 | 2021-09-24 | Construction reinforcing platform for medium and small span beam bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215801120U true CN215801120U (en) | 2022-02-11 |
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ID=80166041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122316744.2U Active CN215801120U (en) | 2021-09-24 | 2021-09-24 | Construction reinforcing platform for medium and small span beam bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215801120U (en) |
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2021
- 2021-09-24 CN CN202122316744.2U patent/CN215801120U/en active Active
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