CN214116279U - Flange counter-pulling type cable-stayed bridge main tower upper cross beam construction support - Google Patents
Flange counter-pulling type cable-stayed bridge main tower upper cross beam construction support Download PDFInfo
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- CN214116279U CN214116279U CN202022119354.1U CN202022119354U CN214116279U CN 214116279 U CN214116279 U CN 214116279U CN 202022119354 U CN202022119354 U CN 202022119354U CN 214116279 U CN214116279 U CN 214116279U
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- main tower
- stayed bridge
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Abstract
The utility model provides a flange split cable-stayed bridge main tower upper beam construction bracket, which reduces the overhead working time and workload, improves the work efficiency and reduces the construction safety risk, and comprises a main tower column, a triangular bracket, a fixing mechanism, a longitudinal bearing beam, a transverse bearing beam and a sand adjusting barrel, wherein the fixing mechanism comprises an upper fixing mechanism and a lower fixing mechanism, the upper fixing mechanism and the lower fixing mechanism are arranged along the height direction of the main tower column from top to bottom, the triangular bracket comprises an inclined rod and a horizontal rod, one end of the horizontal rod is fixed on the main tower column through the upper fixing mechanism, the other end of the horizontal rod is welded and fixed with one end of the inclined rod, the other end of the inclined rod is fixed on the main tower column through the lower fixing mechanism, the sand adjusting barrel is provided with two ends of the horizontal rod, the longitudinal bearing beam is arranged at the central position of the top surface of the sand adjusting barrel, and the length direction is consistent with the longitudinal direction of the bridge, the transverse bearing beam is arranged above the longitudinal bearing beam and below the upper cross beam of the main tower of the cable-stayed bridge.
Description
Technical Field
The utility model belongs to the technical field of the king-tower construction among the bridge construction, concretely relates to flange is to drawing formula cable-stay bridge king-tower entablature construction support.
Background
The cable-stayed bridge is one of main bridge types of a large-span bridge, the construction of an H-shaped main tower beam of the cable-stayed bridge is a key and difficult part of the construction of the cable-stayed bridge, wherein the construction of the upper beam mostly adopts a falling support frame method, namely, a steel pipe support is erected from the top surface of a bearing platform or the top surface of a lower beam to the position of the beam, after the main tower is constructed to the beam part, the construction workload of the upper beam and the main tower column part with the corresponding height is large, the requirement on installation precision is high, the high-altitude operation time is long, and the safety risk is high.
Disclosure of Invention
The utility model provides a flange is to drawing formula cable-stay bridge king-tower entablature construction support has improved the construction work efficiency, has reduced construction safety risk.
The technical scheme of the utility model is that: a flange opposite-pulling type cable-stayed bridge main tower upper beam construction support comprises a main tower column, a triangular support, a fixing mechanism, a longitudinal bearing beam, a transverse bearing beam and an adjusting sand bucket which are oppositely arranged, wherein the fixing mechanism comprises an upper fixing mechanism and a lower fixing mechanism, the upper fixing mechanism and the lower fixing mechanism are arranged from top to bottom along the height direction of the main tower column, the triangular support comprises an inclined rod and a horizontal rod, one end of the horizontal rod is fixed on the main tower column through the upper fixing mechanism, the other end of the horizontal rod is welded and fixed with one end of the inclined rod, the other end of the inclined rod is fixed on the main tower column through the lower fixing mechanism, the inclined rod, the horizontal rod and the main tower column form a stable triangular system, the adjusting sand bucket is provided with two ends of the horizontal rod, the longitudinal bearing beam is arranged at the central position of the top surface of the adjusting sand bucket, the length direction of the longitudinal bearing beam is consistent with the longitudinal direction of a bridge, the transverse bearing beam is arranged above the longitudinal bearing beam, and is arranged below the upper cross beam of the main tower of the cable-stayed bridge.
The scheme is further, go up fixed establishment and all include built-in fitting, connecting piece with lower fixed establishment, the built-in fitting is pre-buried in main tower pylon, the built-in fitting includes pre-buried steel sheet, anchor reinforcing bar, cone nut, sets up a plurality of mounting holes I on pre-buried steel sheet, the connecting piece includes connecting plate, connection otic placode, sets up a plurality of mounting holes II, the fixing bolt on connecting the otic placode, the connection otic placode sets up in the both sides of connecting plate, and rather than perpendicular, fixing bolt passes mounting hole II, mounting hole I, cone nut and realizes the fixed connection of built-in fitting and connecting piece, connecting plate and horizon bar, down tube are connected, pre-buried steel sheet and connection otic placode are parallel.
According to the scheme, pin shaft mounting holes are formed in the connecting plate, the horizontal rod and the inclined rod, pin shafts are connected to the pin shaft mounting holes, and the upper fixing mechanism and the horizontal rod are fixedly connected with the lower fixing mechanism and the inclined rod respectively.
The scheme further comprises counter-pulling reinforcing steel bars, the counter-pulling reinforcing steel bars penetrate through the upper fixing mechanism to be anchored in the main tower column, and the embedded parts and the connecting pieces are fixed.
Furthermore, the positions, the number and the sizes of the mounting holes II and the mounting holes I are consistent.
The utility model has the advantages that: the utility model discloses simple structure, the installation is convenient, utilizes high strength bolt to connect's frictional force to provide sufficient vertical holding power for the support, utilizes the horizontal bridge that the support bore in the construction process was eliminated to drawing finish rolling twisted steel to horizontal pulling force, has reduced high altitude construction time and work load, has improved the construction work efficiency, has reduced construction safety risk.
Drawings
Fig. 1 is a schematic structural view of an upper cross beam construction bracket of a main tower of a flange split cable-stayed bridge of the utility model;
FIG. 2 is an enlarged view of the upper cross beam construction bracket of the main tower of the flange opposite-pulling cable-stayed bridge in FIG. 1 at A;
FIG. 3 is a schematic structural view of a lower fixing mechanism of an upper beam construction bracket of a main tower of a flange opposite-pulling cable-stayed bridge of the utility model;
wherein: 1. the main tower column, 2, lower fixed establishment, 21, connecting plate, 22, connection ear plate, 23, fixing bolt, 24, taper nut, 25, anchor reinforcing bar, 26, round pin axle mounting hole, 3, go up fixed establishment, 4, down tube, 5, horizontal pole, 6, adjust sand bucket, 7, vertical spandrel girder, 8, horizontal spandrel girder, 9, counter-tension reinforcing bar, 10, round pin axle.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
The utility model discloses a concrete implementation mode is: as shown in fig. 1-3, a flange opposite-pulling cable-stayed bridge main tower upper beam construction support comprises a main tower column 1, a triangular support, a fixing mechanism, a longitudinal bearing beam 7, a transverse bearing beam 8 and an adjusting sand tank 6 which are oppositely arranged, wherein the fixing mechanism comprises an upper fixing mechanism 3 and a lower fixing mechanism 2, the upper fixing mechanism 3 and the lower fixing mechanism 2 are arranged along the height direction of the main tower column 1 from top to bottom, the triangular support comprises an inclined rod 4 and a horizontal rod 5, one end of the horizontal rod 5 is fixed on the main tower column 1 through the upper fixing mechanism 3, the other end of the horizontal rod 5 is welded and fixed with one end of the inclined rod 4, the other end of the inclined rod 4 is fixed on the main tower column 1 through the lower fixing mechanism 2, the inclined rod 4, the horizontal rod 5 and the main tower column 1 form a stable triangular system, the adjusting sand tank 6 is provided with two ends of the horizontal rod 5, the longitudinal bearing beam 7 is arranged at the center position of the top surface of the adjusting sand tank 6, the length direction is consistent with the longitudinal direction of the bridge, and the transverse bearing beam 8 is arranged above the longitudinal bearing beam 7 and below the upper cross beam of the main tower of the cable-stayed bridge.
The utility model discloses further, it all includes built-in fitting, connecting piece to go up fixed establishment 3 and lower fixed establishment 2, the built-in fitting is pre-buried in main tower pylon 1, the built-in fitting includes pre-buried steel sheet, anchor reinforcing bar 25, cone nut 24, sets up a plurality of mounting holes I on pre-buried steel sheet, the connecting piece includes connecting plate 21, engaging lug board 22, sets up a plurality of mounting holes II, fixing bolt 23 on engaging lug board 22, connecting lug board 22 sets up in the both sides of connecting plate 21, and rather than mutually perpendicular, fixing bolt 23 passes mounting hole II, mounting hole I, cone nut 24 and realizes the fixed connection of built-in fitting and connecting piece, connecting plate 21 is connected with horizon bar 5, down tube 4, pre-buried steel sheet and engaging lug board 22 are parallel.
The utility model discloses further, all be equipped with round pin axle mounting hole 26 on connecting plate 21, horizon bar 5, the down tube 4, be connected with round pin axle 10 on the round pin axle mounting hole 26, realize respectively fixed connection of fixed establishment 3 and horizon bar 5, lower fixed establishment 2 and down tube 4.
The utility model discloses further, still include split reinforcement 9, split reinforcement 9 passes 3 anchors of fixed establishment in main tower pylon 1, realizes the fixed of built-in fitting and connecting piece, further eliminates the horizontal bridge that the support bore in the work progress to horizontal pulling force.
The utility model discloses furtherly, counter-pulling reinforcing bar 9 is finish rolling twisted steel.
The utility model discloses further, position, figure, the size of mounting hole II and mounting hole I are all unanimous.
While the preferred embodiments of the present invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention by those skilled in the art without departing from the technical solution of the present invention.
Claims (5)
1. A flange opposite-pulling type cable-stayed bridge main tower upper beam construction support is characterized by comprising a main tower column, a triangular support, a fixing mechanism, a longitudinal bearing beam, a transverse bearing beam and a sand adjusting barrel which are oppositely arranged, wherein the fixing mechanism comprises an upper fixing mechanism and a lower fixing mechanism, the upper fixing mechanism and the lower fixing mechanism are arranged along the height direction of the main tower column from top to bottom, the triangular support comprises an inclined rod and a horizontal rod, one end of the horizontal rod is fixed on the main tower column through the upper fixing mechanism, the other end of the horizontal rod is welded and fixed with one end of the inclined rod, the other end of the inclined rod is fixed on the main tower column through the lower fixing mechanism, the inclined rod, the horizontal rod and the main tower column form a stable triangular system, the sand adjusting barrel is provided with two ends of the horizontal rod, the longitudinal bearing beam is arranged at the central position of the top surface of the sand adjusting barrel, and the length direction of the longitudinal bearing beam is consistent with the bridge length direction, the transverse bearing beam is arranged above the longitudinal bearing beam and below the upper cross beam of the main tower of the cable-stayed bridge.
2. The upper cross beam construction support of the main tower of the flange opposite-pulling cable-stayed bridge, as claimed in claim 1, wherein the upper fixing mechanism and the lower fixing mechanism both comprise embedded parts and connecting parts, the embedded parts are embedded in the tower columns of the main tower, the embedded parts comprise embedded steel plates, anchoring steel bars, cone nuts, and a plurality of mounting holes I arranged on the embedded steel plates, the connecting parts comprise connecting plates, connecting lug plates, a plurality of mounting holes II arranged on the connecting lug plates, and fixing bolts, the connecting lug plates are arranged on two sides of the connecting plates and are perpendicular to the connecting plates, the fixing bolts pass through the mounting holes II, the mounting holes I and the cone nuts to realize the fixed connection of the embedded parts and the connecting parts, the connecting plates are connected with horizontal rods and oblique rods, and the embedded steel plates are parallel to the connecting lug plates.
3. The upper cross beam construction bracket of the main tower of the flange opposite-pulling cable-stayed bridge according to claim 2, wherein the connecting plate, the horizontal rod and the diagonal rod are all provided with pin shaft mounting holes, and the pin shaft mounting holes are connected with pin shafts to respectively realize the fixed connection of the upper fixing mechanism and the horizontal rod, and the lower fixing mechanism and the diagonal rod.
4. The upper cross beam construction bracket of the main tower of the flange opposite-pulling cable-stayed bridge according to claim 3, characterized by further comprising opposite-pulling steel bars, wherein the opposite-pulling steel bars pass through the upper fixing mechanism and are anchored in the tower column of the main tower, so that the embedded parts and the connecting pieces are fixed.
5. The upper cross beam construction bracket of the main tower of the flange opposite-pulling cable-stayed bridge according to claim 4, wherein the positions, the number and the sizes of the mounting holes II and the mounting holes I are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022119354.1U CN214116279U (en) | 2020-09-24 | 2020-09-24 | Flange counter-pulling type cable-stayed bridge main tower upper cross beam construction support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022119354.1U CN214116279U (en) | 2020-09-24 | 2020-09-24 | Flange counter-pulling type cable-stayed bridge main tower upper cross beam construction support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214116279U true CN214116279U (en) | 2021-09-03 |
Family
ID=77497490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022119354.1U Active CN214116279U (en) | 2020-09-24 | 2020-09-24 | Flange counter-pulling type cable-stayed bridge main tower upper cross beam construction support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214116279U (en) |
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2020
- 2020-09-24 CN CN202022119354.1U patent/CN214116279U/en active Active
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