CN202380406U - Operating platform for changing bridge pad - Google Patents
Operating platform for changing bridge pad Download PDFInfo
- Publication number
- CN202380406U CN202380406U CN2011205596639U CN201120559663U CN202380406U CN 202380406 U CN202380406 U CN 202380406U CN 2011205596639 U CN2011205596639 U CN 2011205596639U CN 201120559663 U CN201120559663 U CN 201120559663U CN 202380406 U CN202380406 U CN 202380406U
- Authority
- CN
- China
- Prior art keywords
- pier stud
- bridge
- cuff
- operating platform
- top board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses an operating platform for changing a bridge pad, comprising a pier stud hoop, rib plates and a top plate, wherein the pier stud hoop is sleeved on the outside of the upper end of the bridge pier stud; the top plate is a round structure, which is arranged at the top of the bridge pier stud and the pier stud hoop; there are a plurality of rib plates, which are uniformly distributed on the outside of the pier stud hoop; the upper part of the rib plate is connected with the top plate; and the pier stud hoop, the rib plates and the top plate are fixed by welding. The operating platform enlarges the area of construction working surface of the top of the bridge pier by building the platform on the top of the bridge pier, has high reliability as the operating platform for changing the bridge pad and repairing a pinner, and hardly damages the bridge pier stud because steel bars do not need to be planted in the bridge pier stud.
Description
Technical field
The utility model relates to a kind of bridge pad and changes operating platform, especially relates to a kind of operating platform of setting up on stake column pier top, belongs to bridge inspection and maintenance construction equipment device technique field.
Background technology
Along with the bridge increase of service life; Phenomenons such as the bearing off normal of existing bridge or bearing damage are more and more common and outstanding; Influenced the normal use of bridge; Need carry out jacking to bridge, and then carry out bearing replacement, pinner reparation etc. and safeguard construction operation, therefore press for a kind of safe, construction operation platform is accomplished above-mentioned work easily.
The lifting platform that bridge pad replacing is at present adopted mainly contains: (1) utilizes former Bridge Pier, bent cap as jacking counter-force support platform; This scheme easy construction; But receive the restriction of bridge itself and the influence of site operation environment, be not suitable for all types bridge; (2) set up support pier, support as jacking counter-force support platform, this scheme construction has high input and poor reliability; (3) utilize former bridge bearing platform to do the basis and set up reaction frame as jacking counter-force support platform, this scheme constructional difficulties, reliability cannot say for sure to demonstrate,prove; (4) enlarge former bridge pier diameter, utilize bridge pier column as jacking counter-force support platform after increasing the pier top area, this scheme reliability is higher, but it is loaded down with trivial details to construct, and can produce bridge construction to destroy, and after the concreting maintenance period longer.
The utility model content
In order to overcome the deficiency of prior art, the purpose of the utility model be to provide a kind of safety, reliability high, to the destructive little bearing replacement operating platform of existing bridge construction.
The utility model is realized through following technical scheme:
A kind of bridge pad is changed operating platform, it is characterized in that, comprises pier stud cuff, floor and top board; Described pier stud cuff is set in the periphery of bridge pier column upper end, and described top board is a circular configuration, and it is arranged on the top of bridge pier column and pier stud cuff; Described floor is provided with a plurality of; Be distributed on the periphery of pier stud cuff, the top of floor is connected with top board, and fixing through welding between described pier stud cuff, floor and the top board.
Described bridge pad is changed operating platform and is set to three, and 119 ° at every central angle connects into integral body through high-strength bolt between these three; Be that described top board is provided with three, every central angle is 119 °, and described pier stud cuff also relative set be three; Every central angle also is 119 °; Adopt welding fixing between top board and pier stud cuff and the floor, and connect through high-strength bolt between the pier stud cuff piece, the aperture of described high-strength bolt is 10-25cm.
Further, the material of described top board, floor and pier stud cuff is a steel plate.
Wherein, the thickness of described top board, floor and pier stud cuff is 10-25mm, and the internal diameter of described pier stud cuff is 80-160cm, highly is 40-100cm, and the internal diameter of pier stud cuff is slightly larger than the diameter of bridge pier column, is as the criterion being fixed on the bridge pier column.And the external diameter of said top board is than the big 15-25cm of diameter of bridge pier column; The top board centre according to actual conditions, is cut to circle or quadrangle; Top board must be able to be shelved on the end face of bridge pier column; Make top board can be set in bridge pier column top, and can not be inserted in bridge pier column, job platform is provided for the jacking jack is installed.
In addition, described depth of floor is than the little 10-20cm of height of pier stud cuff, and concrete quantity is looked the needs of layout jack on the top board and decided, and generally by 5 °-30 ° central angle, is evenly arranged on the circumference of pier stud cuff.
The beneficial effect of the utility model is: after the utility model has enlarged bridge pier top application work industry area through the pier stud cuff of setting up on the bridge pier column top; As the temporary platform that the jacking jack is set; Its reliability is high; Owing to need not bridge pier column carried out processing such as bar planting, the destruction that therefore existing bridge pier column is produced is less.
Description of drawings
Fig. 1 is the direction across bridge structural representation of the utility model one embodiment;
Fig. 2 is that the vertical bridge of the utility model one embodiment is to structural representation;
Fig. 3 is the top board plane structure sketch map of the utility model one embodiment;
Fig. 4 is the cuff plane structure sketch map of the utility model one embodiment.
Main Reference numeral implication is among the figure:
1, pier stud cuff 2, floor 3, top board 4, voussoir 5, bearing
6, pinner 7, jack 8, last billet 9, following billet
10, supplemental support 11, beam body 12, bridge pier column 13, high-strength bolt.
The specific embodiment
To combine accompanying drawing below, specify the specific embodiment of the utility model:
Fig. 1 is the structural representation of the utility model one embodiment at direction across bridge;
Fig. 2 be the utility model one embodiment at vertical bridge to structural representation;
Fig. 3 is the top board plane structure sketch map of the utility model one embodiment;
Fig. 4 is the pier stud cuff plane structure sketch map of the utility model one embodiment.
Like Fig. 1-shown in Figure 4:
Bottom at existing bridge superstructure beam body 11 is provided with bridge pier column 12; Between the top of bridge pier column 12 and beam body 11, be provided with bearing 5; Be provided with pinner 6 between described bearing 5 and the bridge pier column 12, and between bearing 5 and beam body 11, also be provided with voussoir 4.
For the bearing 5 of changing damage; The utility model has designed a kind of bridge pad and has changed operating platform, comprises pier stud cuff 1, floor 2 and top board 3, and described pier stud cuff 1 cover is arranged on the periphery of bridge pier column 12 upper ends admittedly; The internal diameter of pier stud cuff 1 is 80-160cm; Highly be 40-100cm, its internal diameter is slightly larger than the diameter of bridge pier column 12, is as the criterion can be fixed on the bridge pier column 12; And described top board 3 is a circular configuration; The top board centre according to actual conditions, is cut to circle or quadrangle; It is arranged on the top of bridge pier column 12 and pier stud cuff 1; The external diameter of described top board 3 is than the big 15-25cm of diameter of bridge pier column 12, makes top board 3 can be set in beyond the bearing 5 on bridge pier column 12 tops itself, for jack 7 is installed working platform is provided; And described floor 2 is provided with a plurality of; Be distributed on the periphery of pier stud cuff 1; The top of floor 2 is connected with top board 3; The little 10-20cm of height of the aspect ratio pier stud cuff 1 of described floor 2, concrete quantity is looked the quantity of the jack 7 that is provided with on the top board 3 and is decided, and general central angle by 5 ° to 30 ° is evenly arranged on the circumference of cuff 1.
Described pier stud cuff 1 all is set to three with top board 3; And every central angle is 119 °; All passing through welding in twos with floor 2 between top board piece and the pier stud cuff piece fixes; And connecting into integral body through high-strength bolt 13 between the pier stud cuff piece, the aperture of described high-strength bolt 13 is 10-25cm.
In this embodiment, the material of described top board 3, floor 2 and pier stud cuff 1 is the Q235 steel plate, and thickness is 10-25mm.
In this embodiment, for alleviating erection weight, during construction pier stud cuff lifting platform is divided into three, every central angle is 119 °, described pier stud cuff 1, floor 2 and top board 3 adopt welding, weld size 10mm.Behind the welding fabrication, handling is assembled to the top of bridge pier column 12, through high-strength bolt 13 each piece is connected into integral body then, and the employing specification of high-strength bolt 13, quantity, spacing, pretightning force, shear behavior all must satisfy the stress performance requirement of lifting beam body.After the lifting platform installation, just jack 7 can be installed on top board 3, connect hydraulic system, controller, beam body 11 is carried out the synchronous classification jacking of integral body, with top lift and displacement with dual control, and be controlled to be the master during jacking with displacement.
In this embodiment, described jack 7 is provided with two groups, is separately positioned on the left and right sides of top board 3, and every group is set side by side with two, and is provided with billet 9 down in the bottom of jack 7, is provided with billet 8 on the top of jack 7.
When beam body 11 by jacking to predetermined altitude; Just can supplemental support 10 be placed between beam body and the top board 3, promptly be arranged on the both sides, front and back of top board 3, play brace summer body 11; After treating jack 7 oil returns; Can carry out the work such as maintenance and replacing of bearing 5, accomplish, can carry out jack and unload beam behind bearing 5 construction operations.
Below disclose the utility model with preferred embodiment, so it is not in order to restriction the utility model, and all employings are equal to replacement or the technical scheme that obtained of equivalent transformation mode, all drop within the protection domain of the utility model.
Claims (9)
1. a bridge pad is changed operating platform, it is characterized in that, comprises pier stud cuff, floor and top board; Described pier stud cuff is set in the periphery of bridge pier column upper end, and described top board is a circular configuration, and it is arranged on the top of bridge pier column and pier stud cuff; Described floor is provided with a plurality of; Be distributed on the periphery of pier stud cuff, the top of floor is connected with top board, and fixing through welding between described pier stud cuff, floor and the top board.
2. a kind of bridge pad according to claim 1 is changed operating platform, it is characterized in that, described bridge pad is changed operating platform and is provided with three, and every central angle is 119 °, connects into integral body through high-strength bolt between three.
3. a kind of bridge pad according to claim 1 is changed operating platform, it is characterized in that the material of described top board, floor and pier stud cuff is a steel plate.
4. a kind of bridge pad according to claim 1 is changed operating platform, it is characterized in that the thickness of described top board, floor and pier stud cuff is 10-25mm.
5. a kind of bridge pad according to claim 1 is changed operating platform, it is characterized in that the internal diameter of described pier stud cuff is 80-160cm, highly is 40-100cm.
6. a kind of bridge pad according to claim 1 is changed operating platform, it is characterized in that the external diameter of top board is than the big 15-25cm of diameter of bridge pier column, and the top board center is cut to circle or quadrangle.
7. a kind of bridge pad according to claim 1 is changed operating platform, it is characterized in that the little 10-20cm of height of the aspect ratio pier stud cuff of described floor.
8. a kind of bridge pad according to claim 1 is changed operating platform, it is characterized in that described floor is evenly arranged on the circumference of pier stud cuff by 5 °-30 ° central angle.
9. a kind of bridge pad according to claim 2 is changed operating platform, it is characterized in that the aperture of described high-strength bolt is 10-25cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205596639U CN202380406U (en) | 2011-12-29 | 2011-12-29 | Operating platform for changing bridge pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205596639U CN202380406U (en) | 2011-12-29 | 2011-12-29 | Operating platform for changing bridge pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202380406U true CN202380406U (en) | 2012-08-15 |
Family
ID=46628918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205596639U Expired - Fee Related CN202380406U (en) | 2011-12-29 | 2011-12-29 | Operating platform for changing bridge pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202380406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518050A (en) * | 2011-12-29 | 2012-06-27 | 江苏华通工程检测有限公司 | Operation platform for replacing support saddle of bridge |
-
2011
- 2011-12-29 CN CN2011205596639U patent/CN202380406U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518050A (en) * | 2011-12-29 | 2012-06-27 | 江苏华通工程检测有限公司 | Operation platform for replacing support saddle of bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102518050A (en) | Operation platform for replacing support saddle of bridge | |
| CN103741832A (en) | Building column-truncating, replacing and seismic-isolating support construction method and supporting device | |
| CN103266778B (en) | Detachable triangular scaffold and steel truss assembly construction method | |
| CN103866784A (en) | Adjustable tower crane steel platform foundation | |
| CN102839678A (en) | Structure for improving rigidity and stability of foundation pit steel support | |
| CN101858139A (en) | Concrete casting platform | |
| CN202450762U (en) | Construction lifting platform | |
| CN209025103U (en) | For building the pile-column foundation structure of escape truck or emergency bridge | |
| CN102704492A (en) | Connecting structure of section steel support and concrete support, and construction method | |
| CN202689536U (en) | Ultra-high concrete beam and slab structure template erecting system | |
| CN203247868U (en) | Large-span steel structure construction temporary supporting frame | |
| CN205444975U (en) | Large -scale room lid steel construction construction braced system with view platform | |
| CN202380406U (en) | Operating platform for changing bridge pad | |
| CN103774838A (en) | Assembly type safe operation platform for elevator shaft construction and use method thereof | |
| CN203808094U (en) | Adjustable tower crane steel platform foundation | |
| CN105297616A (en) | Box type steel pier capable of being repaired quickly in situ during earthquake damage | |
| CN202214125U (en) | Crane girder combined hoisting device with auxiliary truss | |
| CN102191822A (en) | Shearing type parallel mild steel quake-proof damper for building structures | |
| CN104372948A (en) | Elevator shaft formwork lifting frame | |
| CN107237515A (en) | The support meanss and its application method of circular steel truss structure | |
| CN204663027U (en) | For the bracing or strutting arrangement that rack is installed | |
| CN102660924A (en) | Construction method for steel-column combined support and steel-column combined support frame | |
| CN203383563U (en) | Fast assembled communication iron tower | |
| CN203373754U (en) | Angle brace bracket of inner support system of high-rigidity integrated prestress assembled type foundation pit support | |
| CN208965579U (en) | A kind of non-console mode lattice tower crane platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20151229 |
|
| EXPY | Termination of patent right or utility model |