CN217419324U - Turnover main side pier triangular support of large-span suspension casting box girder - Google Patents
Turnover main side pier triangular support of large-span suspension casting box girder Download PDFInfo
- Publication number
- CN217419324U CN217419324U CN202220237331.7U CN202220237331U CN217419324U CN 217419324 U CN217419324 U CN 217419324U CN 202220237331 U CN202220237331 U CN 202220237331U CN 217419324 U CN217419324 U CN 217419324U
- Authority
- CN
- China
- Prior art keywords
- brace
- pier
- connecting shaft
- box girder
- triangular support
- 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
- 238000005266 casting Methods 0.000 title claims abstract description 13
- 230000007306 turnover Effects 0.000 title claims description 10
- 239000000725 suspension Substances 0.000 title description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000004873 anchoring Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 18
- 238000005303 weighing Methods 0.000 abstract description 3
- 239000004035 construction material Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a large-span cantilever casting box girder can have enough to meet need main limit mound A-frame relates to bridge construction technical field. The device comprises a cross brace, a vertical brace and an inclined brace which are arranged in a right-angled triangle, wherein the upper end of the vertical brace is detachably connected with one end of the cross brace through a first connecting shaft, the lower end of the vertical brace is fixedly connected with the lower end of the inclined brace, and the upper end of the inclined brace is detachably connected with one end, far away from the vertical brace, of the cross brace through a second connecting shaft; the stull with the junction that props immediately is connected with the pier through the deformed steel bar that passes pier body, the bracing with the junction that props immediately can dismantle with the bracket of weighing and be connected, the bearing bracket is pre-buried on the pier body. The utility model discloses make things convenient for the dismouting, can have enough to meet the need the use, to a great extent has saved the construction material and has dropped into, and then saves construction cost.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, more specifically say, relate to a large-span cantilever box girder can have enough to meet need main limit mound A-frame.
Background
The existing 0# block of the main pier of the large-span suspension casting box girder is constructed by adopting a triangular bracket, the side span cast-in-place section is constructed by adopting a floor type steel pipe bracket, and the side pier capping beam is constructed by adopting a core rod bracket method. The prior technical scheme has the advantages of various types of materials, large material consumption and relatively high cost; the used processes are various, the requirements on the construction technology of workers are high, and the construction quality is difficult to control. The floor type steel pipe support foundation treatment requirement is high, the erection time is long, and the relative construction period is long. Therefore, there is a need for a skilled person to devise an economical and rapid construction apparatus and means to avoid the above problems.
Disclosure of Invention
The utility model aims to solve the technical problem that a large-span cantilever casting box girder can have enough to meet need main limit mound A-frame, simple structure, repeatedly usable, construction convenience and construction cost are low.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a triangular support of a main side pier of a large-span suspension casting box girder capable of being rotated comprises a cross brace, a vertical brace and an inclined brace which are arranged in a right-angled triangle shape, wherein the upper end of the vertical brace is detachably connected with one end of the cross brace through a first connecting shaft, the lower end of the vertical brace is fixedly connected with the lower end of the inclined brace, and the upper end of the inclined brace is detachably connected with one end, far away from the vertical brace, of the cross brace through a second connecting shaft; the stull with the junction that props immediately is connected with the pier through the deformed steel bar that passes pier body, the bracing with the junction that props immediately can dismantle with the bracket of weighing and be connected, the bearing bracket is pre-buried on the pier body.
Preferably, the one end that the stull is close to the pier is equipped with two first otic placodes, two first otic placodes will the one end clamp of propping is in the centre immediately, first connecting axle passes two first otic placode with immediately prop will the stull with immediately prop and link together.
Preferably, one end of the first connecting shaft is a pillow block, the other end of the first connecting shaft is provided with threads, and the threaded end of the first connecting shaft penetrates through the first lug plate and then is screwed with a nut.
Preferably, first otic placode department is equipped with the second floor, the second floor still connects the stull be equipped with a plurality of anchor holes on the second floor, the screw-thread steel pass the pier with connect anchor bolt behind the anchor hole will the stull with pier fixed connection.
Preferably, one end of the cross brace, which is far away from the pier, is provided with two second lug plates, the second lug plates clamp one end of the inclined brace in the middle, and the second connecting shaft penetrates through the second lug plates and the inclined brace and then is screwed with a nut.
Preferably, a first rib plate is arranged at the second ear plate, and the first rib plate is further connected with the wale.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the cross brace and the vertical brace as well as the cross brace and the inclined brace are detachably connected through the connecting shafts, so that the assembly and disassembly are convenient, the construction time can be saved, and the construction quality is guaranteed; the used material of support can have enough to meet the need the use completely, has saved construction material input to a great extent, and then saves construction cost.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a left side view of the connecting structure of the vertical braces and the horizontal braces;
FIG. 3 is a schematic view of the connection structure of the wale, the first rib plate and the first ear plate;
FIG. 4 is a schematic view of the structure of the wale;
in the figure: 1. a first rib plate; 2. a cross brace; 3. a second rib plate; 4. a first connecting shaft; 5. standing and supporting; 6. bracing; 7. a second connecting shaft; 8. a first ear plate; 9. a second ear panel; 10. and (4) anchoring holes.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1-4, a large-span cantilever casting box girder turnover main side pier triangular support comprises a cross brace 2, a vertical brace 5 and an inclined brace 6 which are arranged in a right-angled triangle, wherein the upper end of the vertical brace 5 is detachably connected with one end of the cross brace 2 through a first connecting shaft 4, the lower end of the vertical brace 5 is fixedly connected with the lower end of the inclined brace 6, and the upper end of the inclined brace 6 is detachably connected with one end of the cross brace 2, which is far away from the vertical brace 5, through a second connecting shaft 7; the cross brace 2 is connected with the pier through the deformed steel bar that passes pier body with the junction that props 5 immediately, and bracing 6 can be dismantled with the corbel of weighing with the junction that props 5 immediately and be connected, and the bearing corbel is pre-buried on pier body.
Specifically, the one end that the stull 2 is close to the pier is equipped with two first otic placodes 8, and two first otic placodes will immediately prop 5 one end clamp in the centre, and first connecting axle 4 passes two first otic placodes 8 and immediately props 5 and links together stull 2 and immediately props 5. One end of the first connecting shaft 4 is a pillow block, the other end of the first connecting shaft is provided with threads, and the threaded end of the first connecting shaft 4 penetrates through the first lug plate 8 and then is connected with a nut in a screwing mode. The second rib plate 3 is arranged at the position of the first lug plate 8, the second rib plate 3 is further connected with the wale 2, a plurality of anchoring holes 10 are formed in the second rib plate 3, and the deformed steel bar penetrates through the pier and the anchoring holes 10 and then is connected with an anchoring bolt to fixedly connect the wale 2 with the pier.
The one end that the stull 2 kept away from the pier is equipped with two second otic placodes 9, and two second otic placodes 9 clamp the one end of bracing 6 in the centre, and the second connecting axle 7 passes behind two second otic placodes 9 and the bracing 6 and connects the nut soon. A first ribbed plate 1 is arranged at the second ear plate 9, and the first ribbed plate 1 is also connected with a cross brace 2. The first rib plate 1 further reinforces the connection of the second ear plate 9 to the wale 2.
For the length of the side span cast-in-place section of the large-span cantilever casting box beam is close to half of the length of the 0# block, the cooperative design of the main pier 0#, the side pier capping beam and the side span cast-in-place section support is considered, and the triangular bracket can be adopted to be suitable for the construction of the main side pier support through stress calculation. The triangular bracket is processed on the ground, each main rod piece is blanked according to a design drawing and is mainly made of I-shaped steel, the rod pieces are connected by welding, and a stiffening plate is arranged.
The support is designed by using a pier body as a base support, and the support is triangular; 4 triangular supports are transversely distributed on one side of the whole support, 1 triangular support is arranged on each of the two sides of each of the two limbs of the pier body, and 16-number channel steel with the length of 7000mm is adopted for transverse connection; q235 steel is adopted as all the section steel.
JL32 finish rolling deformed steel bars are adopted at the top of the support to penetrate through the pier body and are fixed with the support frame between the piers in a counter-pulling mode, steel plates with the thickness of 20mm, the length of 700mm and the width of 483mm are arranged between anchoring bolts of the rolled deformed steel bars and the pier columns, the middle parts of the support cross bars are embedded into embedded boxes through the pier body, the support cross bars are inserted into the embedded boxes by 400mm, the embedded boxes are made of 10mm steel plates, and the size of the embedded boxes is 400mm in length, 224mm in width and 220mm in height; the bracket is transversely provided with a double-spliced HN500 cross beam, the cross beam is provided with a slope adjusting support, and the slope adjusting support is welded by [16 ].
The method comprises the steps of embedding a steel plate and a bracket box in advance during construction of a main pier, integrally assembling a single-plate bracket on a construction site, symmetrically hoisting the single-plate bracket to the embedded bracket by a crane, penetrating finish rolling deformed steel bars, tensioning symmetrical bracket pieces according to design tension control stress, sequentially installing the bracket according to a construction design drawing, and installing a main cross beam and a longitudinal distribution beam. When the side pier is constructed, the side pier capping beam and the side span cast-in-place section are constructed by embedding the bearing bracket and the steel plate according to the construction design drawing on the side pier body, the structural size form of the single piece bracket is unchanged, only the transverse bridge interval is changed, the single piece triangular bracket is integrally detached after the construction of the 0# block of the cantilever box girder is completed, the turnover and the transportation are carried out to the side pier position for installation, and the installation flow is consistent with the installation of the main pier triangular bracket.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. A triangular support of a main side pier capable of being used for turnover of a large-span cantilever casting box girder is characterized by comprising a cross brace (2), a vertical brace (5) and an inclined brace (6) which are arranged in a right-angled triangle manner, wherein the upper end of the vertical brace (5) is detachably connected with one end of the cross brace (2) through a first connecting shaft (4), the lower end of the vertical brace (5) is fixedly connected with the lower end of the inclined brace (6), and the upper end of the inclined brace (6) is detachably connected with one end, far away from the vertical brace (5), of the cross brace (2) through a second connecting shaft (7); the stull (2) with the junction that props immediately (5) is connected with the pier through the deformed steel bar that passes pier body, bracing (6) with the junction that props immediately (5) can be dismantled with the bearing bracket and be connected, the bearing bracket is pre-buried on the pier body.
2. The large-span cantilever casting box girder turnover main side pier triangular support is characterized in that one end, close to the pier, of the cross brace (2) is provided with two first lug plates (8) which clamp one end of the vertical brace (5) in the middle, and the first connecting shaft (4) penetrates through the two first lug plates (8) and the vertical brace (5) to connect the cross brace (2) and the vertical brace (5) together.
3. The turnover main side pier triangular support of the large-span cantilever casting box girder of claim 2, is characterized in that one end of the first connecting shaft (4) is a pillow block, the other end of the first connecting shaft is provided with threads, and the threaded end of the first connecting shaft (4) penetrates through the first lug plate (8) and then is screwed with a nut.
4. The large-span cantilever casting box girder turnover main side pier triangular support is characterized in that a second rib plate (3) is arranged at the first lug plate (8), the second rib plate (3) is further connected with the wale (2), a plurality of anchoring holes (10) are formed in the second rib plate (3), and the deformed steel bars penetrate through the pier and the anchoring holes (10) and then are connected with anchoring bolts to fixedly connect the wale (2) with the pier.
5. The triangular support capable of realizing the turnover main side pier of the large-span cantilever casting box girder according to claim 1, wherein one end of the cross brace (2) far away from the pier is provided with two second lug plates (9), one end of the inclined brace (6) is clamped between the two second lug plates (9), and the second connecting shaft (7) penetrates through the two second lug plates (9) and the inclined brace (6) and then is screwed with a nut.
6. A large-span cantilever box girder turnover main edge pier triangular support according to claim 5, characterized in that, there is a first rib plate (1) at the second otic placode (9), the first rib plate (1) is also connected with the wale (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237331.7U CN217419324U (en) | 2022-01-27 | 2022-01-27 | Turnover main side pier triangular support of large-span suspension casting box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237331.7U CN217419324U (en) | 2022-01-27 | 2022-01-27 | Turnover main side pier triangular support of large-span suspension casting box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217419324U true CN217419324U (en) | 2022-09-13 |
Family
ID=83177040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220237331.7U Expired - Fee Related CN217419324U (en) | 2022-01-27 | 2022-01-27 | Turnover main side pier triangular support of large-span suspension casting box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217419324U (en) |
-
2022
- 2022-01-27 CN CN202220237331.7U patent/CN217419324U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209584871U (en) | A kind of only column great cantilever Coping Construction bracket of high pier | |
| CN107313589A (en) | Outer wall of basement one side steel form support system and its construction method | |
| CN103410102A (en) | H-shaped double column pier wide-bridge-surface cantilever temporary consolidation structure and construction method thereof | |
| CN111663449A (en) | Combined cast-in-place box girder support system and construction method | |
| CN104047233B (en) | Method for construction of continuous beam linear segment without floor stand | |
| CN104831639A (en) | Consolidation and release construction method for 0# blocks of ultra-wide non-uniform continuous beam | |
| CN215925691U (en) | Bearing support for casting No. 0 block of bridge | |
| CN216238129U (en) | Continuous rigid frame bridge side span cast-in-place section and closure section integral construction hanging bracket | |
| CN110878522B (en) | Main tower lower cross beam construction system and construction method | |
| CN211772862U (en) | Adjustable support frame for cast-in-place beam template | |
| CN217419324U (en) | Turnover main side pier triangular support of large-span suspension casting box girder | |
| CN102953344A (en) | Climbing cone type triangular cantilever bracket | |
| CN210797872U (en) | Prefabricated reinforced concrete column | |
| CN217378605U (en) | Suspension casting variable cross-section continuous beam zero block bracket pre-pressing device | |
| CN204780635U (en) | Super wide nonprismatic continuous beam 0# piece concreties and relieves construction structures | |
| CN216184761U (en) | Adjustable transportation bed-jig of steel case roof beam | |
| CN215441490U (en) | Cast-in-place construction formwork support frame of single-column pier bent cap | |
| CN211596427U (en) | Pier top assembly type triangular bracket | |
| CN211772914U (en) | Pre-buried box structure of 0# piece bracket of continuous beam | |
| CN113186840A (en) | Combined bracket-based high pier zero-number block counter-force pre-pressing method | |
| CN210439163U (en) | Diagonal joist supporting structure applicable to assembly and disassembly of continuous beam | |
| CN210368658U (en) | No. 0 piece construction bracket of high mound continuous beam | |
| CN109235267B (en) | Construction method for pre-pressing tower column cross beam support | |
| CN103526698B (en) | Cast-in-cantilever construction 0# block concrete supporting system and construction method | |
| CN110847057A (en) | Flexible connection structure for continuous box girder cantilever casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |