CN218203909U - Support frame for main tower bearing plate of cable-stayed bridge - Google Patents
Support frame for main tower bearing plate of cable-stayed bridge Download PDFInfo
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- CN218203909U CN218203909U CN202222631158.1U CN202222631158U CN218203909U CN 218203909 U CN218203909 U CN 218203909U CN 202222631158 U CN202222631158 U CN 202222631158U CN 218203909 U CN218203909 U CN 218203909U
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- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000009415 formwork Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000007596 consolidation process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model discloses a braced frame that cable-stay bridge owner tower bearing plate was used, bearing plate supporting component and the transverse bar of connecting front and back bearing plate supporting component that sets up including the front and back symmetry, bearing plate supporting component includes that the upright post group, the top that the connecting rod set up from a left side to turn right fix the oblique stand group at upright post group shaft, upright post group includes left post, center pillar and the right post that three equidistance set up, the oblique stand group includes that two parallel arrangement and top all to the oblique post of left bank fixed stay right post, and the connecting rod that is located upright post group is step by step forked and lays, and perpendicular post body of three connecting rods and equidistance that are located oblique stand group are laid side by side, have the personal safety of guarantee staff, save manufacturing cost, shorten and set up construction time, support structure stability is strong, advantage such as structural attitude adjustment precision height.
Description
Technical Field
The utility model belongs to the technical field of cable-stay bridge owner tower bearing plate supports, concretely relates to braced frame that cable-stay bridge owner tower bearing plate used.
Background
In recent years, with the continuous increase of the national infrastructure, the construction of cross-river and cross-sea bridges is increased day by day, and the construction attitude control of the main tower bearing plate of the steel structure of the cable-stayed bridge brings great difficulty to the construction due to the characteristics of complex space structure, large volume, heavy tonnage, inclined attitude installation and the like. At present, aiming at the attitude control of a large-size and large-tonnage cable-stayed bridge main tower bearing plate steel structural member, because of the lack of a supporting frame for the cable-stayed bridge main tower bearing plate, the construction process of on-site block hoisting, assembling and block attitude adjustment is adopted, or the construction process of integral hoisting, integral adjustment is adopted, and the aspects of attitude adjustment control precision and construction quality are not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a braced frame that cable-stay bridge owner tower bearing plate was used supports the bearing plate and conveniently adjusts the bearing plate gesture, solves and leads to the all not good problem in the aspect of the gesture adjustment control accuracy and the construction quality because of lacking braced frame that cable-stay bridge owner tower bearing plate was used.
Therefore, the utility model discloses the technical scheme who adopts does: the utility model provides a braced frame that cable-stay bridge owner tower bearing plate was used, the bearing plate supporting component that sets up including the symmetry around and the transverse bar of bearing plate supporting component around connecting, bearing plate supporting component includes the connecting rod and fixes the oblique stand group at the upright post column body from upright post group, the top of turning right the setting from a left side, upright post group includes left post, center pillar and the right post that three equidistance set up, oblique stand group includes two parallel arrangement and the equal oblique stand of the right post of left bank fixed stay in top, and the connecting rod that is located upright post group is forked form step by step and lays, and three perpendicular shaft of connecting rod and equidistance that are located oblique stand group lay side by side.
As the optimization of above-mentioned scheme, upright post group adopts two spelling type steel I20b to form upright post, and oblique upright post group adopts type steel I20b, the connecting rod adopts type steel I10, and the type of selecting is suitable, adopts two spelling type steel, and construction convenience, the structure is firm.
Preferably, the left end of a connecting rod arranged between the left column and the middle column is intensively fixed at a position close to the top end away from the upper part of the left column, and the right end branches are respectively fixed at the upper and lower ends of the middle column; the connecting rod between the middle column and the right column continues to be forked along the end point of the upper-stage connecting rod, the right end of the connecting rod is fixed at the position, close to the top end, of the upper portion of the right column and at the position, close to the middle, of the lower portion of the right column, the arrangement of the connecting rods can effectively and reasonably support each vertical column, and the length-to-thickness ratio of each vertical column is guaranteed to meet the design requirements, so that the overall bearing capacity is improved.
Preferably, embedded parts are arranged at the bottom ends of the upright column group and the inclined upright column group, and the positions of the upright columns are fixed and positioned through the embedded parts, so that the mounting stability of the upright columns is enhanced fundamentally, and the bearing capacity of the bearing plate supporting assembly is enhanced; the left and right outer sides of the bearing plate supporting assembly and the bottom concrete template of the main tower of the cable-stayed bridge are drawn through the pull rod, and the structural stability of the bearing plate supporting assembly is further reinforced.
The utility model has the advantages that:
(1) Compared with the construction process of on-site block hoisting, assembling and block posture adjustment, the scheme does not need to set up an assembling platform for temporary fixation, does not need assembling personnel to assemble in high altitude, ensures the personal safety of the working personnel and saves the construction time; compare and adopt integral hoisting, integral adjustment's construction scheme, this scheme supports the bearing plate with the help of braced frame and carries out the meticulous regulation, can the meticulous adjustment cable-stay bridge king tower bearing plate gesture when guaranteeing bearing plate construction quality.
(2) Two oblique stand parallel arrangement and top all to the left bank fixed stay right post, because the right post is too high, in order to guarantee the stability of right post, reduce the slenderness ratio of right pole, strengthen the support through two oblique stands and connecting rod, reasonable in design, the molding is ingenious, sets up the frame with minimum consumptive material and reaches the optimal support steadiness, effectively saves manufacturing cost, shortens to set up the engineering time.
(3) The form of branching step by step of connecting rod is laid and perpendicular shaft of column and equidistance parallels, and the homoenergetic effectively strengthens upright column group and oblique upright column group overall structure's stability, and increase bearing capacity effectively avoids because of the bearing plate supporting component can't bear bearing plate weight, leads to the condition of the attitude adjustment of unable bearing plate.
To sum up, have the personal safety of guarantee staff, save manufacturing cost, shorten and set up the engineering time, bearing structure stability is strong, structural gesture adjustment accuracy advantage such as high.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a usage state diagram of the present invention.
Fig. 4 is a schematic diagram of step S3 of a method for adjusting the attitude of a main tower bearing plate of a cable-stayed bridge.
Fig. 5 is a schematic view of temporary consolidation measures in step S4 of the method for adjusting the posture of the main tower bearing plate of the cable-stayed bridge.
Fig. 6 is a schematic view of a method for adjusting the posture of a main tower bearing plate of a cable-stayed bridge, wherein the bearing plate supporting assembly in step S4 is in direct contact with a docking assembly.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
referring to fig. 1-6, a supporting frame for a main tower bearing plate of a cable-stayed bridge is composed of bearing plate supporting assemblies 1 which are symmetrically arranged front and back and transverse rods 11 which connect the front and back bearing plate supporting assemblies 1.
The bearing plate supporting assembly 1 is composed of a connecting rod 14, a vertical column group 12 arranged from left to right and an inclined column group 13 with the top end fixed on the column body of the vertical column group 12.
The upright column group 12 is formed by double-spliced section steel I20b, the inclined upright column group 13 is formed by section steel I20b, and the connecting rod 14 is formed by section steel I10.
The upright column set 12 is composed of three equidistantly arranged left columns 121, a center column 122 and a right column 123.
The connecting rods 14 in the upright column group 12 are distributed in a step-by-step bifurcation manner, the left ends of the connecting rods 14 arranged between the left column 121 and the middle column 122 are intensively fixed at the positions close to the top end of the upper part of the left column 121, and the branches at the right ends are respectively fixed at the positions close to the upper end and the lower end of the middle column 122;
the three connecting rods 14 in the oblique column group 13 are perpendicular to the column body and are arranged in parallel at equal intervals, the connecting rod 14 between the middle column 122 and the right column 123 continues to be branched along the end point of the upper connecting rod 14, and the right end is fixed at the upper part of the right column 123 close to the top end and the lower part of the right column 123 close to the middle.
The inclined upright column group 13 is composed of two inclined upright columns which are arranged in parallel and the top ends of which are inclined towards the left and fixedly support the right column 123.
The bottom ends of the upright post group 12 and the inclined upright post group 13 are respectively provided with an embedded part 15, and the position of the upright post is fixed and positioned through the embedded parts 15.
The left and right outer sides of the bearing plate supporting assembly 1 and the bottom concrete formwork of the main tower of the cable-stayed bridge are drawn through the pull rod 16.
A method for adjusting the posture of a main tower bearing plate of a cable-stayed bridge comprises the following concrete implementation steps:
s1, erecting a bearing plate supporting assembly 1; firstly, lofting and arranging an embedded part 15, overlapping the pressure bearing plate supporting assemblies 1 by taking the embedded part 15 as a base, then arranging transverse rods 11 between the pressure bearing plate supporting assemblies 1 for connection, and then installing a posture adjusting assembly 2 positioned at the top end of the pressure bearing plate supporting assembly 1;
s2, mounting a plurality of butt joint assemblies 3 positioned at the bottom end of the pressure bearing plate 4; the butt joint component 3 is integrally in a triangular structure, the bottom surface of the inclined pressure bearing plate 4 is attached to an inclined surface of the butt joint component 3 at the same angle, and then the inclined surface is fixedly installed by matching a clamping groove arranged on the inclined surface with a reinforcing rib plate on the bottom surface of the pressure bearing plate 4;
s3, adjusting the posture of the bearing plate 4; the bearing plate 4 is placed on the posture adjustment supporting device according to the design posture, the butt joint component 3 can be arranged on the posture adjustment component 2, and then the height of the butt joint component 3 at different positions is adjusted through the posture adjustment component 2, so that the inclination angle of the bearing plate 4 is adjusted;
s4, temporary consolidation measures are taken, and positioning of the bearing plate 4 is completed; and the temporary consolidation plate 23 is symmetrically welded around the attitude adjustment assembly 2 to support the butt joint assembly 3, after the attitude adjustment assembly 2 is taken out, the supporting point of the bearing plate supporting assembly 1, namely the height of the stand column, is prolonged, so that the bearing plate supporting assembly 1 and the butt joint assembly 3 are directly contacted and supported, the bearing plate 4 is loosely hung after the quality is qualified, and the positioning of the bearing plate 4 is completed.
Claims (4)
1. The utility model provides a braced frame that cable-stay bridge owner tower pressure-bearing plate was used which characterized in that: bearing plate supporting component (1) that sets up including the front and back symmetry and transverse bar (11) of connecting front and back bearing plate supporting component (1), bearing plate supporting component (1) includes connecting rod (14) and upright post group (12), the top of turning right from a left side and setting up fixes oblique stand group (13) at upright post group (12) shaft, upright post group (12) include left post (121), center pillar (122) and right post (123) that three equidistance set up, oblique stand group (13) include two parallel arrangement and the top all to the oblique stand of left bank fixed stay right post (123), and connecting rod (14) that are located upright post group (12) are to dividenly form step by step and lay, and three connecting rod (14) perpendicular shaft and equidistance that are located oblique stand group (13) are laid side by side.
2. The supporting frame for the pressure-bearing plate of the main tower of the cable-stayed bridge according to claim 1, characterized in that: the upright column group (12) is formed by double-spliced section steel I20b, the inclined upright column group (13) is formed by section steel I20b, and the connecting rod (14) is formed by section steel I10.
3. The supporting frame for the bearing plate of the main tower of the cable-stayed bridge according to claim 1, characterized in that: the left end of a connecting rod (14) arranged between the left column (121) and the middle column (122) is intensively fixed at a position close to the top end away from the upper part of the left column (121), and the right end of the connecting rod is forked and is respectively fixed at the upper and lower end parts of the middle column (122); the connecting rod (14) between the middle column (122) and the right column (123) is continuously branched along the end point of the upper-stage connecting rod (14), and the right end of the connecting rod is fixed at the upper part of the right column (123) close to the top end and the lower part of the right column (123) close to the middle.
4. The supporting frame for the bearing plate of the main tower of the cable-stayed bridge according to claim 1, characterized in that: the bottom ends of the upright column group (12) and the inclined upright column group (13) are respectively provided with an embedded part (15), the positions of the upright columns are fixedly positioned through the embedded parts (15), and the left and right outer sides of the bearing plate supporting assembly (1) and a concrete formwork at the bottom of a main tower of the cable-stayed bridge are drawn through a pull rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222631158.1U CN218203909U (en) | 2022-10-08 | 2022-10-08 | Support frame for main tower bearing plate of cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222631158.1U CN218203909U (en) | 2022-10-08 | 2022-10-08 | Support frame for main tower bearing plate of cable-stayed bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218203909U true CN218203909U (en) | 2023-01-03 |
Family
ID=84640282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222631158.1U Active CN218203909U (en) | 2022-10-08 | 2022-10-08 | Support frame for main tower bearing plate of cable-stayed bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218203909U (en) |
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2022
- 2022-10-08 CN CN202222631158.1U patent/CN218203909U/en active Active
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