CN211973138U - Jack supporting platform device system for jacking small-span bridge - Google Patents
Jack supporting platform device system for jacking small-span bridge Download PDFInfo
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- CN211973138U CN211973138U CN202020452447.3U CN202020452447U CN211973138U CN 211973138 U CN211973138 U CN 211973138U CN 202020452447 U CN202020452447 U CN 202020452447U CN 211973138 U CN211973138 U CN 211973138U
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Abstract
The utility model discloses a jack support platform device system for jacking a small-span bridge, which comprises a support platform device and a jack; the supporting platform device is fixed on the side surface of a capping beam of a pier or the side surface of an abutment through a screw; the jack is fixed on the supporting platform device and is propped against the bottom surface of the main beam. Through utilizing the screw rod to fix the supporting platform device on the side of the bent cap of pier or the side of abutment, the cooperation is fixed the jack on the supporting platform device and is supported on the bottom surface of girder for this device system is lighter, and easily installation is demolishd, and construction cycle is short, does not receive the restriction of jacking condition, and is with low costs, and in time consolidate to filling structural adhesive to roof beam body drilling damage accessible, offers convenience for the use.
Description
Technical Field
The utility model belongs to the technical field of the bridge technique and specifically relates to indicate a jack supporting platform device system of jacking usefulness of little span bridge.
Background
At present, plate-type rubber supports are adopted as small-span old bridge supports, most of the small-span old bridge supports are not provided with supporting cushion stones, jacking space conditions do not exist between a main beam and a cover beam or a bridge abutment, a hardened concrete ground is usually adopted, and vertical steel supports are adopted as jacking support platforms; when the bridge is in a river, the space under the bridge is limited or the hoisting transportation is limited, the cofferdam and the foundation treatment are needed by adopting the scheme, so that the cost is high, the operation is difficult and the construction period is long.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a jack supporting platform device system for jacking a small-span bridge, which has the advantages of simplicity, portability and low cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a jack supporting platform device system for jacking a small-span bridge comprises a supporting platform device and a jack; the supporting platform device is fixed on the side surface of a capping beam of a pier or the side surface of an abutment through a screw; the jack is fixed on the supporting platform device and is propped against the bottom surface of the main beam.
Preferably, the supporting platform device comprises a fixing plate, a supporting plate and a stiffening plate; the fixing plate is vertically arranged and fixed on the side surface of a capping beam of a pier or the side surface of an abutment through a screw, the supporting plate is horizontally arranged and is in welded connection with the fixing plate, the jack is fixed on the supporting plate, and the stiffening plate is located below the supporting plate and is welded and fixed between the outer side surface of the fixing plate and the bottom surface of the supporting plate.
Preferably, the fixing plate is a steel plate, the size of the fixing plate is 60 × 40cm, the thickness of the fixing plate is 16mm, a plurality of screw holes are formed in the fixing plate, and the plurality of screws penetrate through the corresponding screw holes to be installed and connected.
Preferably, the support plate is a steel plate having a size of 40 × 40cm and a thickness of 12 mm.
Preferably, the stiffening plates are trapezoidal, and are two in interval arrangement, and the thickness of the stiffening plates is 10 mm.
Preferably, the screw is an M24 full-thread screw, a nut is installed at the outer end of the screw, and the supporting platform device is screwed and anchored through the nut.
Preferably, a support is arranged between the main beam and a capping beam of the pier or between the main beam and the abutment.
Preferably, the screw is installed through drilling a capping beam or a bridge abutment of the pier, and the gap is filled with structural adhesive.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
through utilizing the screw rod to fix the supporting platform device on the side of the bent cap of pier or the side of abutment, the cooperation is fixed the jack on the supporting platform device and is supported on the bottom surface of girder for this device system is lighter, and easily installation is demolishd, and construction cycle is short, does not receive the restriction of jacking condition, and is with low costs, and in time consolidate to filling structural adhesive to roof beam body drilling damage accessible, offers convenience for the use.
To more clearly illustrate the structural features and functions of the present invention, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments:
drawings
FIG. 1 is a schematic front view of a preferred embodiment of the present invention;
fig. 2 is a side view of the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. supporting platform device 11 and fixing plate
12. Supporting plate 13 and stiffening plate
101. Screw hole 20 and jack
31. Screw 32, nut
40. Bridge pier 41 and bent cap
401. Through hole 50 and main beam
60. Support base
Detailed Description
Referring to fig. 1 and 2, a detailed structure of a preferred embodiment of the present invention is shown, which includes a supporting platform device 10 and a jack 20.
The support platform assembly 10 is fixed to the side of the cap beam 41 of the pier 40 or the side of the abutment by means of screws 31. The jack 20 is fixed to the support platform assembly 10 and rests on the underside of the main beam 50.
Specifically, the supporting platform device 10 includes a fixing plate 11, a supporting plate 12 and a stiffening plate 13; the fixing plate 11 is vertically installed and fixed on the side of the coping 41 of the pier 40 or the side of the abutment through the screw 31, the supporting plate 12 is horizontally installed and welded with the fixing plate 11, the jack 20 is fixed on the supporting plate 12, and the stiffening plate 13 is located under the supporting plate 12 and welded and fixed between the outer side surface of the fixing plate 11 and the bottom surface of the supporting plate 12. In this embodiment, the fixing plate 11 is a steel plate, the size of the fixing plate is 60 × 40cm, the thickness of the fixing plate is 16mm, a plurality of screw holes 101 are formed in the fixing plate 11, a plurality of screws 31 pass through the corresponding screw holes 101 to be installed and connected, and the number of the screw holes 101 is even; the supporting plate 12 is a steel plate, the size of the supporting plate is 40 multiplied by 40cm, the thickness of the supporting plate is 12mm, and the supporting plate 12 is fixed with the fixing plate 11 through welding; the stiffening plates 13 are trapezoidal, the two stiffening plates are arranged at intervals, the thickness of the stiffening plates is 10mm, and the stiffening plates 13 are steel plates and are fixedly connected with the fixing plates 11 and the supporting plates 12 through welding. And the screw 31 is an M24 full-thread screw, the outer end of the screw is provided with a nut 32, and the fixing plate 11 of the supporting platform device 10 is screwed and anchored through the nut 32.
In addition, the girder 50 is a hollow slab girder, and a support 60 is provided between the girder 50 and the capping beam 41 of the pier 40 or between the girder 50 and the abutment.
Detailed description the installation process of this embodiment is as follows:
when installing the bridge pier 40, firstly, drilling a hole in the cap beam 41 of the bridge pier 40 to form a through hole 401, then, penetrating the screw 31 through the through hole 401, filling the through hole 401 with structural adhesive (not shown), installing the supporting platform device 10 after the structural adhesive is solidified, tightening the screw cap 32, and finally, installing the jack 20 on the supporting plate 12 of the supporting platform device 10 and installing the support 60.
When the abutment is installed, the drilling depth of the abutment is not less than 20 times of the diameter of the screw 31, the screw 31 is installed and the structural adhesive is filled, the support platform device 10 is installed after a drawing test is carried out, the screw cap 32 is screwed, and finally the jack 20 and the support 60 thereof are installed.
According to the load of the bridge superstructure, a single supporting platform device 10 can be used for jacking or a plurality of supporting platform devices 10 can be combined, and the size and the number of the screw rods 31 can be adjusted.
After the supporting platform device 10 is installed, the nut 32 can be unscrewed to remove the supporting platform device 10, and then after the screw 31 is cut, the rust inhibitor is smeared on the outer end face of the rest of the screw 31 and is sealed by epoxy mortar.
The utility model discloses a design key is: through utilizing the screw rod to fix the supporting platform device on the side of the bent cap of pier or the side of abutment, the cooperation is fixed the jack on the supporting platform device and is supported on the bottom surface of girder for this device system is lighter, and easily installation is demolishd, and construction cycle is short, does not receive the restriction of jacking condition, and is with low costs, and in time consolidate to filling structural adhesive to roof beam body drilling damage accessible, offers convenience for the use.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. The utility model provides a jack support platform device system of jacking usefulness of little span bridge which characterized in that: comprises a supporting platform device and a jack; the supporting platform device is fixed on the side surface of a capping beam of a pier or the side surface of an abutment through a screw; the jack is fixed on the supporting platform device and is propped against the bottom surface of the main beam.
2. The jack support platform device system for jacking a small-span bridge according to claim 1, wherein: the supporting platform device comprises a fixing plate, a supporting plate and a stiffening plate; the fixing plate is vertically arranged and fixed on the side surface of a capping beam of a pier or the side surface of an abutment through a screw, the supporting plate is horizontally arranged and is in welded connection with the fixing plate, the jack is fixed on the supporting plate, and the stiffening plate is located below the supporting plate and is welded and fixed between the outer side surface of the fixing plate and the bottom surface of the supporting plate.
3. The jack support platform device system for jacking a small-span bridge according to claim 2, wherein: the fixed plate is a steel plate, the size of the fixed plate is 60 x 40cm, the thickness of the fixed plate is 16mm, a plurality of screw holes are formed in the fixed plate, and a plurality of screws penetrate through the corresponding screw holes to be installed and connected.
4. The jack support platform device system for jacking a small-span bridge according to claim 2, wherein: the support plate is a steel plate, the size of which is 40 x 40cm, and the thickness of which is 12 mm.
5. The jack support platform device system for jacking a small-span bridge according to claim 2, wherein: the stiffening plates are trapezoidal, two stiffening plates are arranged at intervals, and the thickness of the stiffening plates is 10 mm.
6. The jack support platform device system for jacking a small-span bridge according to claim 1, wherein: the screw rod is an M24 full-thread screw rod, a nut is installed at the outer end of the screw rod, and the supporting platform device is screwed and anchored through the nut.
7. The jack support platform device system for jacking a small-span bridge according to claim 1, wherein: and a support is arranged between the main beam and a capping beam of the pier or between the main beam and the abutment.
8. The jack support platform device system for jacking a small-span bridge according to claim 1, wherein: and the screw is installed through drilling a capping beam or a bridge abutment of the bridge pier and the gap is filled with structural adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020452447.3U CN211973138U (en) | 2020-04-01 | 2020-04-01 | Jack supporting platform device system for jacking small-span bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020452447.3U CN211973138U (en) | 2020-04-01 | 2020-04-01 | Jack supporting platform device system for jacking small-span bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211973138U true CN211973138U (en) | 2020-11-20 |
Family
ID=73383834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020452447.3U Active CN211973138U (en) | 2020-04-01 | 2020-04-01 | Jack supporting platform device system for jacking small-span bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211973138U (en) |
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2020
- 2020-04-01 CN CN202020452447.3U patent/CN211973138U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230411 Address after: 330000 no.599 Chunhui Road, Honggutan New District, Nanchang City, Jiangxi Province Patentee after: Nanchang Urban Planning and Design Research Institute Group Co.,Ltd. Address before: No.599 Chunhui Road, Honggutan New District, Nanchang City, Jiangxi Province Patentee before: NANCHANG URBAN PLANNING & DESIGN INSTITUTE |