CN214271738U - Local demolition and jacking splicing structure of active bridge and T-beam transportation and reinforcement device - Google Patents
Local demolition and jacking splicing structure of active bridge and T-beam transportation and reinforcement device Download PDFInfo
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- CN214271738U CN214271738U CN202022662398.9U CN202022662398U CN214271738U CN 214271738 U CN214271738 U CN 214271738U CN 202022662398 U CN202022662398 U CN 202022662398U CN 214271738 U CN214271738 U CN 214271738U
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Abstract
The utility model relates to a jacking and splicing structure and a T-beam transportation and reinforcement device for local demolition of an active bridge, which comprises pier studs, bent caps, T-beams, section steel beams, jacks, displacement sensors and a hoop type support platform; the upper part of the pier stud is provided with a cover beam; a diffusion steel plate is erected at the lower part of the T-shaped beam, a section steel beam is arranged at the lower part of the diffusion steel plate, a jack is placed at the lower part of the section steel beam, a leveling steel plate is arranged at the lower part of the jack and is positioned at the upper part of the capping beam, and displacement sensors are arranged at two ends of the section steel beam; the cover beam is provided with a hoop type support platform; the hoop type support platform comprises an upper cross brace, a lower cross brace and a vertical brace, the vertical brace and the upper cross brace and the lower cross brace are fixedly installed through connecting steel plates and bolts, and a platform steel plate is arranged on the lower cross brace; and a safety protection net is arranged outside the hoop type support platform. The utility model has the advantages that: the utility model discloses a special transportation reinforcing apparatus monitors safety in to the transportation, improves the security of T roof beam transportation.
Description
Technical Field
The utility model relates to a jacking mosaic structure is demolishd to existing service bridge part belongs to the civil engineering field, is applicable to the construction that jacking concatenation was demolishd to existing service bridge part.
Background
With the development of economy, the traffic volume is greatly increased, the traveling density and the vehicle load are larger and larger, particularly after pushing, towing and container transportation, heavy vehicles are increased day by day, and a part of the existing road bridges cannot meet the use requirements, which is a common problem in all countries in the world. In order to ensure the normal operation of the highway, the maintenance of the highway and the bridge must be strengthened, and safe and quick driving conditions are provided for driving. Therefore, when the bridge is maintained, the technical transformation of the old bridge is urgently required, and particularly, the reinforcing method is adopted to recover and improve the bearing capacity of the old bridge, so that the old bridge becomes a preoccupation of highway maintenance and design research departments.
However, the following problems are easy to occur in the conventional local bridge demolition and jacking construction structure: the construction process is complicated, the construction efficiency is low, and long-time construction influences the bridge floor to pass.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a jacking mosaic structure is demolishd to the local problem of demolising the jacking construction of existing service bridge, satisfies the demand of structure construction.
The active bridge local demolition jacking splicing structure comprises pier columns, capping beams, T-shaped beams, profile steel cross beams, jacks, displacement sensors and a hoop type support platform; the upper part of the pier stud is provided with a cover beam; a diffusion steel plate is erected at the lower part of the T-shaped beam, a section steel beam is arranged at the lower part of the diffusion steel plate, a jack is placed at the lower part of the section steel beam, a leveling steel plate is arranged at the lower part of the jack and is positioned at the upper part of the capping beam, and displacement sensors are arranged at two ends of the section steel beam; and the cover beam is provided with a hoop type support platform.
Preferably, the method comprises the following steps: the hoop type support platform comprises an upper cross brace, a lower cross brace and a vertical brace, the vertical brace and the upper cross brace and the lower cross brace are fixedly installed through connecting steel plates and bolts, and a platform steel plate is arranged on the lower cross brace; and a safety protection net is arranged outside the hoop type support platform.
Preferably, the method comprises the following steps: the upper part of the upper cross brace is provided with a cross bar.
The T-beam transportation reinforcing device of the existing service bridge local demolition jacking splicing structure comprises a beam moving vehicle, sleepers, steel wire ropes, hydraulic support rods, rubber gaskets and pressure sensors; and a sleeper is arranged on the upper part of the beam moving vehicle, a T beam is placed on the sleeper, the upper part of the T beam is fixed with the beam moving vehicle through a steel wire rope, two sides of the T beam are supported through hydraulic support rods, rubber gaskets are arranged on the upper parts of the hydraulic support rods, and pressure sensors are arranged on the lower parts of the hydraulic support rods.
The utility model has the advantages that:
(1) the utility model discloses a special transportation reinforcing apparatus monitors safety in to the transportation, improves the security of T roof beam transportation.
(2) The utility model discloses a staple bolt formula support platform improves bridge jacking operation construction speed as bridge jacking operation platform, guarantees bridge jacking operation construction safety.
(3) The utility model discloses a synchronous control jacking system carries out safety monitoring to bridge jacking process, improves bridge jacking security.
Drawings
FIG. 1 is a schematic view of a local demolition jacking splicing structure of an active bridge;
FIG. 2 is a structural view of a hoop support platform;
fig. 3 is a structural view of a T-beam transportation reinforcement.
Description of reference numerals: 1-pier stud; 2-a capping beam; 3-diaphragm plate; 4-guard bar; 5-bridge deck; 6-T beam; 7-diffusion steel plate; 8-section steel beam; 9-a jack; 10-leveling a steel plate; 11-a displacement sensor; 12-a hoop type support platform; 13-vertical bracing; 14-a cross-bar; 15-connecting steel plates; 16-upper cross brace; 17-safety protection net; 18-lower cross brace; 19-bolt; 20-a platform steel plate; 21-a pressure sensor; 22-hydraulic stays; 23-a rubber gasket; 24-a steel wire rope; 25-beam moving vehicle; 26-sleeper.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
As shown in fig. 1, the local demolition, jacking and splicing structure of the active bridge mainly comprises a pier stud 1, a capping beam 2, a T beam 6, a section steel cross beam 8, a jack 9, a displacement sensor 11 and a hoop-type support platform 12; the upper part of the pier stud 1 is provided with a bent cap 2; a diffusion steel plate 7 is erected on the lower portion of a T-shaped beam 6, a section steel cross beam 8 is arranged on the lower portion of the diffusion steel plate 7, a jack 9 is placed on the lower portion of the section steel cross beam 8 to jack the T-shaped beam, a leveling steel plate 10 is arranged on the lower portion of the jack 9 to level the supporting position of the cover beam, the leveling steel plate 10 is located on the upper portion of the cover beam 2, displacement sensors 11 are arranged at two ends of the section steel cross beam 8, and safety monitoring is conducted on the bridge jacking process through the stroke, pressure and displacement sensors of the jack.
As shown in fig. 2, a hoop-type support platform 12 is arranged at the position of the bent cap 2, the hoop-type support platform 12 comprises an upper cross brace 16, a lower cross brace 18 and a vertical brace 13, the upper cross brace 16 and the lower cross brace 18 are fixedly installed through a connecting steel plate 15 and a bolt 19, a platform steel plate 20 is arranged on the lower cross brace 18, and a safety protection net 17 is arranged outside the hoop-type support platform 12. The upper cross brace 16 is provided with a cross bar 14. A diaphragm plate 3 is arranged between the T-shaped beams 6. The guardrail 4 is arranged at the end part of the T-shaped beam 6.
As shown in fig. 3, the T-beam 6 uses a special transportation reinforcement device to monitor the safety during transportation, and the transportation reinforcement device includes a beam moving vehicle 25, a sleeper 26, a steel wire rope 24, a hydraulic brace 22, a rubber gasket 23 and a pressure sensor 21; move roof beam car 25 upper portion and set up sleeper 26, place T roof beam 6 on the sleeper 26, T roof beam 6 upper portion is fixed with moving roof beam car 25 through wire rope 24, and hydraulic brace 22 is passed through to T roof beam 6 both sides and is supported, and hydraulic brace 22 upper portion sets up rubber liner 23 and protects T roof beam, and hydraulic brace 22 lower part sets up pressure sensor 21 and monitors the stability in the transportation.
Claims (4)
1. Jacking mosaic structure is demolishd to active bridge part, its characterized in that: the device comprises a pier stud (1), a bent cap (2), a T beam (6), a section steel cross beam (8), a jack (9), a displacement sensor (11) and a hoop type support platform (12); the upper part of the pier stud (1) is provided with a bent cap (2); a diffusion steel plate (7) is supported at the lower part of the T-shaped beam (6), a section steel beam (8) is arranged at the lower part of the diffusion steel plate (7), a jack (9) is placed at the lower part of the section steel beam (8), a leveling steel plate (10) is arranged at the lower part of the jack (9), the leveling steel plate (10) is positioned at the upper part of the cover beam (2), and displacement sensors (11) are arranged at two ends of the section steel beam (8); the cover beam (2) is provided with a hoop type bracket platform (12).
2. The active bridge local demolition jacking and splicing structure of claim 1, wherein: the hoop type support platform (12) comprises an upper cross brace (16), a lower cross brace (18) and a vertical brace (13), the upper cross brace (16) and the lower cross brace (18) are fixedly installed through a connecting steel plate (15) and a bolt (19), and a platform steel plate (20) is arranged on the lower cross brace (18); and a safety protection net (17) is arranged on the outer side of the hoop type support platform (12).
3. The active bridge local demolition jacking and splicing structure of claim 2, wherein: the upper part of the upper cross brace (16) is provided with a cross bar (14).
4. The T-beam transportation and reinforcement device for the active bridge local demolition jacking splicing structure of claim 1, which is characterized in that: comprises a beam moving vehicle (25), a sleeper (26), a steel wire rope (24), a hydraulic support rod (22), a rubber gasket (23) and a pressure sensor (21); move roof beam car (25) upper portion and set up sleeper (26), place T roof beam (6) on sleeper (26), T roof beam (6) upper portion is fixed through wire rope (24) and move roof beam car (25), and T roof beam (6) both sides are supported through hydraulic pressure vaulting pole (22), and hydraulic pressure vaulting pole (22) upper portion sets up rubber liner (23), and hydraulic pressure vaulting pole (22) lower part sets up pressure sensor (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022662398.9U CN214271738U (en) | 2020-11-17 | 2020-11-17 | Local demolition and jacking splicing structure of active bridge and T-beam transportation and reinforcement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022662398.9U CN214271738U (en) | 2020-11-17 | 2020-11-17 | Local demolition and jacking splicing structure of active bridge and T-beam transportation and reinforcement device |
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| Publication Number | Publication Date |
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| CN214271738U true CN214271738U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022662398.9U Active CN214271738U (en) | 2020-11-17 | 2020-11-17 | Local demolition and jacking splicing structure of active bridge and T-beam transportation and reinforcement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232519A (en) * | 2021-12-28 | 2022-03-25 | 浙江正方交通建设有限公司 | Construction method and application of active service box girder comprehensive reinforcement system |
-
2020
- 2020-11-17 CN CN202022662398.9U patent/CN214271738U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232519A (en) * | 2021-12-28 | 2022-03-25 | 浙江正方交通建设有限公司 | Construction method and application of active service box girder comprehensive reinforcement system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 610047 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee after: Sichuan Communications Construction Group Co.,Ltd. Address before: 610041 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee before: Sichuan Communications Construction Group Co.,Ltd. |
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| CP03 | Change of name, title or address |