Bridge tower structure with window grille cross braces and construction method of bridge tower structure

Abstract

The invention provides a bridge tower structure with window grille cross braces.The bridge tower structure with the window grille cross braces.The bridge tower structure with the window grille cross braces.The bridge tower structure with the window grille cross braces.The bridge tower structure with the window grille cross braces.The bridge tower structure comprises a cross brace mechanism and two tower columns, the cross brace mechanism is connected with the two tower columns through two connecting assemblies, and the cross brace mechanism comprises a plurality of window grille bodies capable of being assembled; a plurality of window grille bodies are assembled to form a structure which is formed by crossing and inclining three parallel cross supporting beams and the other three parallel cross supporting beams and provided with four rhombic frames, the connecting assembly comprises a plurality of window grille nodes, the window grille nodes are connected with a tower column through a supporting frame, a first jacking mechanism is detachably arranged on the supporting frame, and a second jacking mechanism is detachably arranged on the supporting frame. A supporting adjusting mechanism is detachably arranged between every two adjacent window grille nodes. The bridge tower structure not only solves the problem of difficulty in dynamic displacement and multi-port connection and positioning, but also improves the mounting efficiency and the positioning precision, and plays a role in controlling the torsion of the component.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of bridge tower construction in bridge engineering, and particularly relates to a bridge tower structure with window flower cross bracing and a construction method thereof. BACKGROUND

[0002] With the rapid development of traffic construction, the construction scale of large-span bridges across rivers and seas is continuously expanding. Among them, cable-stayed bridges and suspension bridges have been widely used in large-span bridge engineering due to their excellent stress performance. In order to meet the demand for ultra-large span, the design height of the tower column often exceeds 100 meters, showing a significant high-rise feature.

[0003] As a key load-bearing structure of the bridge tower, the safety and quality control of the construction process of the high-rise tower column are directly related to the structural safety and service life of the entire bridge. In order to ensure the stability of the tower column during the construction stage, multiple cross bracings are usually arranged on the lateral inner side of the tower column to resist lateral forces and control the deformation of the tower body during the construction process. However, during the installation of the cross bracing of the high-rise tower column, the tower column is prone to dynamic displacement due to factors such as the height of the tower column, the complex high-altitude environment (such as wind influence), etc., which poses a serious challenge to the installation of the cross bracing under dynamic working conditions.

[0004] At the same time, the connection between the cross bracing and the tower column is usually in the form of multi-port docking, and the spatial position precision of each connection port is extremely high. Under the high-rise state, the slight sway of the tower column or the displacement of the construction platform may cause positioning deviation of the connection port of the cross bracing and the tower column, which not only increases the difficulty of installation operation, but also may cause torsional stress of the components during docking, affecting the connection quality and structural stress performance. At present, the traditional cross bracing mechanism cannot cope with the above-mentioned dynamic displacement and multi-port connection positioning unfavorable working conditions, and has problems such as low installation efficiency, poor positioning accuracy, and easy to cause component torsion, which has become a key bottleneck restricting the construction quality and progress of large-span high-rise bridges. SUMMARY

[0005] The present application provides a bridge tower structure with window flower cross bracing and a construction method thereof, which not only solves the problems of dynamic displacement and multi-port connection positioning difficulty, but also improves the installation efficiency and positioning accuracy, and controls the torsion of the components.

[0006] The technical solution of the present application is as follows:

[0007] The bridge tower structure with the window flower cross brace comprises a cross brace mechanism and two tower columns, the cross brace mechanism is connected with the two tower columns through two connecting assemblies, the cross brace mechanism comprises a plurality of window flower bodies which are assembled to form a structure with four diamond frames formed by three parallel cross brace beams and another three parallel cross brace beams, the connecting assembly comprises a plurality of window flower nodes, the window flower nodes are connected with the tower columns through support frames, the first jacking mechanism for adjusting the window flower nodes is detachably arranged on the support frames, and the support adjustment mechanism is detachably arranged between the adjacent two window flower nodes.

[0008] Further, in the bridge tower window flower cross brace structure, the support adjustment mechanism comprises a support assembly and a second jacking mechanism, the bottom of the support assembly is welded with the window flower node at the bottom, and the second jacking mechanism is installed at the top of the support assembly.

[0009] Further, in the bridge tower structure with the window flower cross brace, the window flower body comprises a first window flower body, a second window flower body, a third window flower body, a fourth window flower body, a fifth window flower body, two sixth window flower bodies, a seventh window flower body, two eighth window flower bodies, two ninth window flower bodies, two tenth window flower bodies, two eleventh window flower bodies and two twelfth window flower bodies.

[0010] The first window flower body and the second window flower body are used to form a first component in the shape of V.

[0011] The third window flower body and the fourth window flower body are used to form a second component in the shape of inverted V, and the second component and the first component are used to form a first diamond frame structure.

[0012] The fifth window flower body and the two sixth window flower bodies are used to form a third component, and the third component and the first diamond frame structure are used to form a second diamond frame structure.

[0013] The seventh window flower body and the two eighth window flower bodies are used to form a fourth component, the fourth component and the first diamond frame structure are used to form a third diamond frame structure, the third component and the fourth component form a fourth diamond frame structure, and the first diamond frame structure, the second diamond frame structure, the third diamond frame structure and the fourth diamond frame structure form a complete main body structure with four diamond frames.

[0014] The window flower nodes comprise a first window flower node, a second window flower node, a third window flower node, a fourth window flower node and a fifth window flower node from bottom to top along the height direction of the tower column.

[0015] Further, the bridge tower structure with window flower cross bracing, the support frame comprises a plurality of first I-shaped steel arranged along the tower column height direction and a plurality of second I-shaped steel arranged along the direction perpendicular to the tower column height direction, the plurality of second I-shaped steel is installed on the plurality of first I-shaped steel, and the support frame is provided with a first jacking mechanism for adjusting the window flower node.

[0016] Further, the bridge tower structure with window flower cross bracing further comprises a bearing platform and a ground support for assembling the plurality of window flower bodies, the two tower columns are symmetrically installed on the bearing platform, the ground support is installed on the bearing platform, and the ground support is provided with a third jacking mechanism for adjusting the window flower body.

[0017] A construction method of a bridge tower structure with window flower cross bracing is used to realize the bridge tower structure with window flower cross bracing, and the specific steps are as follows: S1-S7.

[0018] S1: two tower columns are constructed synchronously, the Nth tower column section is used for connecting the window flower node, N is a positive integer greater than 1, when the tower column is constructed to the (N-1)th tower column section, a part of the plurality of first I-shaped steel of the support frame is pre-buried on the (N-1)th tower column section, the concrete of the (N-1)th tower column section is poured, when the concrete reaches the design strength, the plurality of second I-shaped steel of the support frame is welded on the plurality of first I-shaped steel to form a complete frame platform, and the first jacking mechanism is installed on the frame platform;

[0019] S2: the position elevation of the support frame is preliminarily positioned, and the window flower node is lifted to the support frame through the hoisting mechanism according to the positioning result;

[0020] S3: the top of the window flower node is measured by using a total station, and the window flower node is positioned and adjusted by using the first jacking mechanism;

[0021] S4: after the window flower node is adjusted in place and the gasket is inserted into the bottom of the window flower node, the first jacking mechanism is removed, and the back rod welding of the window flower node is completed;

[0022] S5: the window flower node is connected with the Nth tower column section, and the concrete of the Nth tower column section is poured to complete the construction of the Nth tower column section;

[0023] S6: steps S1-S5 are repeated until the installation of all window flower nodes and the concrete pouring construction of the tower column are completed;

[0024] S7: the plurality of window flower bodies are assembled by using the ground support, after the assembly is completed, the lifted window flower bodies are lifted and hoisted to the specified window flower node positioning connection by using the lifting mechanism, the connection between the remaining plurality of window flower bodies and the plurality of window flower nodes is completed in the air, and the construction of the cross bracing mechanism is completed.

[0025] Furthermore, in the construction method of the bridge tower structure with window-shaped horizontal braces, step S6 includes:

[0026] S61: If the outer cantilever of the upper window grille node is greater than that of the lower window grille node, a crane mechanism is used to hoist the support assembly between the two window grille nodes. The second lifting mechanism at the top of the support assembly supports and adjusts the outer cantilever of the upper window grille node.

[0027] Furthermore, in the construction method of the bridge tower structure with window-shaped horizontal braces, step S6 further includes:

[0028] S62: During construction, the first bracing is installed between the two tower columns;

[0029] S63: After the tower column construction is completed, install a second bracing between the two tower columns.

[0030] Furthermore, the construction method for the bridge tower structure with window-shaped horizontal braces also includes:

[0031] S8: After the construction of the cross bracing mechanism is completed, the first cross bracing, support components and the second lifting mechanism are dismantled.

[0032] Furthermore, in the construction method of the bridge tower structure with window-shaped horizontal bracing, step S7 includes: S71-S711.

[0033] S71: The first window grille body and the second window grille body are horizontally assembled to form a V-shaped first component. The crane mechanism lifts the first component into place, and the third lifting mechanism on the ground support adjusts the first component.

[0034] S72: The third and fourth window grille bodies are horizontally assembled to form an inverted V-shaped second component. The crane mechanism lifts the second component into place, and the second component is welded to the first component to form the first diamond frame structure.

[0035] S73: The fifth and sixth window grille bodies are horizontally assembled to form the third component. The crane mechanism lifts the third component into place. The third component is welded to the first diamond frame structure to form the second diamond frame structure.

[0036] S74: The seventh and eighth window grille bodies are horizontally assembled to form the fourth component. The crane mechanism hoists the fourth component into place. The fourth component is welded to the first diamond frame structure to form the third diamond frame structure. The third and fourth components form the fourth diamond frame structure. The first, second, third, and fourth diamond frame structures form the complete main structure.

[0037] S75: The complete main body structure is lifted by the lifting mechanism, and after being lifted to the specified elevation, the relative displacement of the middle part of the complete main body structure and the third window flower node of the two tower columns is preliminarily limited by using a clamping plate;

[0038] S76: The middle part of the complete main body structure is positioned and preliminarily connected with the third window flower node of the two tower columns;

[0039] S77: A ninth window flower body is positioned and connected with the second window flower node of a tower column;

[0040] S78: The second pair of braces and the lifting mechanism are removed, and a hoisting mechanism is used to hoist another ninth window flower body and the second window flower node of another tower column;

[0041] S79: The hoisting mechanism hoists two tenth window flower bodies and the first window flower nodes of the two tower columns, respectively;

[0042] S710: The hoisting mechanism hoists two eleventh window flower bodies and the fourth window flower nodes of the two tower columns, respectively;

[0043] S711: The hoisting mechanism hoists two eleventh window flower bodies and the fifth window flower nodes of the two tower columns, respectively, thereby completing the overall construction of the horizontal bracing mechanism.

[0044] The beneficial effects of the present application are as follows:

[0045] The bridge tower structure with window flower horizontal bracing of the present application comprises a plurality of window flower bodies which are assembled to form a structure with four diamond frames formed by three parallel horizontal bracing beams and another three parallel horizontal bracing beams, and a plurality of window flower nodes which are positioned and connected with the structure, thereby solving the problems of dynamic displacement and difficult positioning of multi-port connection and controlling the torsion of the window flower body. The high-precision installation and positioning of the window flower node are realized by the cooperation of the first jacking mechanism and the support adjusting mechanism, thereby realizing the precise positioning of the horizontal bracing mechanism and improving the installation efficiency of the horizontal bracing mechanism.

[0046] The application discloses a construction method of a bridge tower structure with window flower cross bracing, which realizes millimeter-level fine adjustment and accurate positioning of multiple window flower bodies of the cross bracing mechanism in three-axis directions by high-precision positioning and synchronous construction of window flower nodes and tower columns, whole lifting installation of core blocks of the cross bracing mechanism, three-point-one-face advanced positioning constraint control, triangular space plane measurement and checking in the construction process, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0047] Figure 1 is a schematic diagram of a bridge tower structure with window flower cross bracing of the application;

[0048] Figure 2 is a schematic diagram of a window flower body of a cross bracing mechanism of the bridge tower structure with window flower cross bracing of the application;

[0049] Figure 3 is a schematic diagram of a window flower node and a support frame of the bridge tower structure with window flower cross bracing of the application;

[0050] Figure 4 is a schematic diagram of a support assembly of the bridge tower structure with window flower cross bracing of the application;

[0051] Figure 5 is a schematic diagram of a construction process of a complete main body mechanism of the cross bracing mechanism of the bridge tower structure with window flower cross bracing of the application;

[0052] Figure 6 is a schematic diagram of a positioning process of the complete main body mechanism of the cross bracing mechanism of the bridge tower structure with window flower cross bracing of the application;

[0053] Figure 7 is a schematic diagram of a construction process of a ninth window flower body of the cross bracing mechanism of the bridge tower structure with window flower cross bracing of the application;

[0054] Figure 8 is a schematic diagram of a construction process of a twelfth window flower body of the cross bracing mechanism of the bridge tower structure with window flower cross bracing of the application;

[0055] In the drawings:

[0056] 1. Cross bracing mechanism; 2. Tower column; 3. Connecting components; 4. Support components; 5. Foundation; 6. Ground support; 7. Lifting mechanism; 8. Total station; 9. Lifting mechanism; 10. First cross bracing; 11. Second cross bracing; 100. Complete main structure; 101. First window grille body; 102. Second window grille body; 103. Third window grille body; 104. Fourth window grille body; 105. Fifth window grille body; 106. Sixth window grille body; 107. Seventh window grille body; 108. Eighth window grille body; 109. Ninth window grille body; 110. Tenth... Window grille body; 111, eleventh window grille body; 112, twelfth window grille body; 113, first component; 114, second component; 115, third component; 116, fourth component; 21, support frame; 211, first I-beam; 212, second I-beam; 22, first lifting mechanism; 31, window grille node; 311, first window grille node; 312, second window grille node; 313, third window grille node; 314, fourth window grille node; 315, fifth window grille node; 300, steel plate; 41, second lifting mechanism; 61, third lifting mechanism. Detailed Implementation

[0057] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become clearer from the following description and claims. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the present invention.

[0058] like Figure 1 As shown, this embodiment provides a bridge tower structure with window grille bracing, including a bracing mechanism 1 and two tower columns 2, and may also include a foundation 5 and a ground support 6.

[0059] The horizontal bracing mechanism 1 is connected to the two tower columns 2 via two connecting components 3. The horizontal bracing mechanism 1 includes multiple assemblable window grille bodies. After assembly, the multiple window grille bodies form a structure with four rhomboid frames that are intersected and inclined by three parallel horizontal bracing beams and another three parallel horizontal bracing beams. The four rhomboid frames have the same or basically the same structure, and the line connecting the centers of the four rhomboid frames forms a rhomboid structure. The connecting component 3 includes multiple window grille nodes 31, and the window grille nodes 31 are connected to the tower columns 2 via support frames 21.

[0060] Multiple window decoration bodies may include a first window decoration body 101, a second window decoration body 102, a third window decoration body 103, a fourth window decoration body 104, a fifth window decoration body 105, two sixth window decoration bodies 106, a seventh window decoration body 107, two eighth window decoration bodies 108, two ninth window decoration bodies 109, two tenth window decoration bodies 110, two eleventh window decoration bodies 111, and two twelfth window decoration bodies 112.

[0061] The plurality of window nodes 31 can include a first window node 311, a second window node 312, a third window node 313, a fourth window node 314, and a fifth window node 315.

[0062] The support frame 21 is detachably provided with a first jacking mechanism 22 for adjusting the window node 31, and the support adjustment mechanism is detachably provided between the adjacent two window nodes 31.

[0063] Specifically, during the tower column 2 segment construction stage, the first window node 311, the second window node 312, the third window node 313, the fourth window node 314, and the fifth window node 315 are sequentially installed on the N, N+1, N+2, N+3... tower column 2 segments of the upper tower column 2 of the tower column 2 from bottom to top along the height direction of the tower column 2. During the installation of the plurality of window nodes 31, the support frame 21 positions the window node 31, and the first jacking mechanism 22 on the support frame 21 adjusts the position of the window node 31. If the outer side of the window node 31 overhangs too much, a support adjustment mechanism is installed on the window node 31 below, which supports and fine-tunes the overhang of the outer side of the window node 31, ensuring the accuracy of the positioning and installation of the window node 31. Then the first window body 101, the second window body 102, the third window body 103, the fourth window body 104, the fifth window body 105, the two sixth window bodies 106, the seventh window body 107, and the two eighth window bodies 108 are assembled into a structure with four diamond frames, and then the structure with four diamond frames is lifted by the lifting mechanism 9 to between the two tower columns 2. The two middle parts of the structure with four diamond frames are first positioned and preliminarily connected with the third window node 313 on the two tower columns 2, and then the two ninth window bodies 109, the two tenth window bodies 110, the two eleventh window bodies 111, and the two twelfth window bodies 112 are sequentially connected with the first window node 311, the second window node 312, the fourth window node 314, and the fifth window node 315 on the two tower columns 2, respectively, forming a structure with four diamond frames intersected and inclined by three parallel cross-beams and another three parallel cross-beams, and completing the construction of the bridge tower.

[0064] In the structure, the bridge tower structure is provided with a plurality of window flower bodies which can be assembled, and the plurality of window flower bodies are assembled to form a structure with four rhombic frames formed by three parallel cross beams and another three parallel cross beams which are crossed and inclined, and the structure is connected and positioned with the plurality of window flower nodes 31, so as to solve the problems of dynamic displacement and positioning difficulty of multi-port connection, and control the torsion of the window flower body. The first jacking mechanism 22 and the support adjusting mechanism are matched to realize high-precision installation and positioning of the window flower node 31, so as to realize accurate positioning of the cross support mechanism 1 and improve the installation efficiency of the cross support mechanism 1.

[0065] As a preferred embodiment, as shown in Figure 4 In the bridge tower window flower cross support structure, the support adjusting mechanism includes a support assembly 4 and a second jacking mechanism, the bottom of the support assembly 4 is welded with the window flower node 31 at the bottom, and the second jacking mechanism 41 is installed at the top of the support assembly. When the outer side overhang of the fourth window flower node 314 is large, the support assembly 4 can be installed on the third window flower node 313. The support assembly 4 includes double-spliced 20a I-beams and D630*10mm support steel pipes. The bottom of the support steel pipe is welded with the third window flower node 313, and the weld leg size is more than 8mm. The double-spliced 20a I-beams are installed at the top of the support steel pipe. The second jacking mechanism 41 is installed on the double-spliced 20a I-beams, and the second jacking mechanism 41 supports and adjusts the elevation of the outer side overhang of the fourth window flower node 314. The second jacking mechanism 41 is a jack. The second jacking mechanism 41 finely adjusts the outer side overhang of the fourth window flower node 314, controls the perpendicularity of the outer side overhang to be not greater than 1 / 1000, and controls the elevation error to be less than 2mm. The second jacking mechanism 41 and the support assembly 4 are provided to support and adjust the elevation of the outer side overhang of the window flower node 31, so as to ensure the accuracy of the installation of the window flower node 31, and thus ensure the accuracy of the subsequent installation of the window flower body.

[0066] As a preferred embodiment, as shown in Figure 2 and Figure 5 In the bridge tower structure with window flower cross supports, the window flower body includes a first window flower body 101, a second window flower body 102, a third window flower body 103, a fourth window flower body 104, a fifth window flower body 105, two sixth window flower bodies 106, a seventh window flower body 107, two eighth window flower bodies 108, two ninth window flower bodies 109, two tenth window flower bodies 110, two eleventh window flower bodies 111 and two twelfth window flower bodies 112.

[0067] The first window body 101 and the second window body 102 are used to form a first component 113 in the shape of a V. The third window body 103 and the fourth window body 104 are used to form a second component 114 in the shape of an inverted V, and the second component 114 and the first component 113 are used to form a first diamond frame structure.

[0068] The fifth window body 105 and the two sixth window bodies 106 are used to form a third component 115, and the third component 115 and the first diamond frame structure are used to form a second diamond frame structure.

[0069] The seventh window body 107 and the two eighth window bodies 108 are used to form a fourth component 116, and the fourth component 116 and the first diamond frame structure are used to form a third diamond frame structure. The third component 115 and the fourth component 116 form a fourth diamond frame structure, and the first diamond frame structure, the second diamond frame structure, the third diamond frame structure, and the fourth diamond frame structure form a complete main structure 100 with four diamond frame structures.

[0070] The window node 31 includes a first window node 311, a second window node 312, a third window node 313, a fourth window node 314, and a fifth window node 315 from bottom to top along the height direction of the tower column 2.

[0071] When the first window body 101, the second window body 102, the third window body 103, the fourth window body 104, the fifth window body 105, the two sixth window bodies 106, the seventh window body 107, and the two eighth window bodies 108 form the complete main structure 100 with four diamond frame structures, the complete main structure 100 is lifted by the lifting mechanism 9, and then the two middle parts of the complete main structure 100 are positioned and preliminarily connected with the third window node 313. Then a ninth window body 109 is positioned and connected with the second window node 312 on one tower column 2, and the window bodies on the third window node 313 and the second window node 312 are welded and locked to form a three-point-one-face constraint, thereby locking the complete main structure 100 with four diamond frame structures, effectively controlling the torsion of the complete main structure 100 of the horizontal bracing mechanism 1 under the action of external environmental factors.

[0072] Then the remaining one ninth window flower body 109, two tenth window flower body 110, two eleventh window flower body 111 and two twelfth window flower body 112 are welded on the remaining window flower node 31 in turn, the construction of the horizontal support mechanism 1 is completed. The arrangement of the plurality of window flower bodies and the plurality of window flower nodes 31 not only solves the problem of lifting difficulty, but also solves the problem of dynamic displacement and multi-port connection positioning difficulty, controls the torsion of the window flower body, and realizes high-precision connection and construction through positioning and connection in turn.

[0073] As a preferred embodiment, as shown in Figure 3 and Figure 4 In the bridge tower structure with window flower horizontal support, the support frame 21 includes a plurality of first I-shaped steel 211 arranged along the height direction of the tower column 2 and a plurality of second I-shaped steel 212 arranged along the vertical direction of the height of the tower column 2, and the plurality of second I-shaped steel 212 is installed on the plurality of first I-shaped steel 211. The support frame 21 is provided with a first jacking mechanism 22 for adjusting the window flower node 31. The plurality of first I-shaped steel 211 and the plurality of second I-shaped steel 212 form a frame platform for installing and supporting the window flower node 31. The first jacking mechanism 22 is installed on the frame platform to support and adjust the window flower node 31. The first I-shaped steel 211 and the second I-shaped steel 212 adopt 20a I-shaped steel. The first jacking mechanism 22 adopts 10t or 20t jack. The arrangement of the support frame 21 and the first jacking mechanism 22 not only facilitates the installation and positioning of the window flower node 31, but also facilitates the adjustment of the elevation of the window flower node 31, and ensures the accuracy of the installation of the window flower node 31.

[0074] As a preferred embodiment, as shown in Figure 5 In the bridge tower structure with window flower horizontal support, the support frame 21 includes a plurality of first I-shaped steel 211 arranged along the height direction of the tower column 2 and a plurality of second I-shaped steel 212 arranged along the vertical direction of the height of the tower column 2, and the plurality of second I-shaped steel 212 is installed on the plurality of first I-shaped steel 211. The support frame 21 is provided with a first jacking mechanism 22 for adjusting the window flower node 31. The plurality of first I-shaped steel 211 and the plurality of second I-shaped steel 212 form a frame platform for installing and supporting the window flower node 31. The first jacking mechanism 22 is installed on the frame platform to support and adjust the window flower node 31. The first I-shaped steel 211 and the second I-shaped steel 212 adopt 20a I-shaped steel. The first jacking mechanism 22 adopts 10t or 20t jack. The arrangement of the support frame 21 and the first jacking mechanism 22 not only facilitates the installation and positioning of the window flower node 31, but also facilitates the adjustment of the elevation of the window flower node 31, and ensures the accuracy of the installation of the window flower node 31.

[0075] The first window flower body 101, the second window flower body 102, the third window flower body 103, the fourth window flower body 104, the fifth window flower body 105, the sixth window flower body 106, the seventh window flower body 107 and the eighth window flower body 108 can be assembled through the ground support 6 to form a complete main body structure 100 with four diamond structures. The ground support 6 adopts a door type structure, two D630*10mm steel pipes of the ground support 6 are used as vertical rods, the distance between the two vertical rods is 4m, and the two vertical rods are pre-buried on the bearing platform 5. A double 40a I-shaped steel is arranged between the two vertical rods as a cross beam, and the two ends of the cross beam are welded and connected with the two vertical rods, so as to form a rigid frame. The side support is connected with the tower column 2 in a flat connection mode, is used for balancing the horizontal force, and one 14mm diameter steel wire rope is additionally arranged in front of and behind the side support to be connected with the ground anchor / rod at an angle of 30°-60°. The third jacking mechanism 61 is installed at the top of the vertical rod to adjust the position of the window flower body on the vertical rod. The third jacking mechanism 61 is a 20T jack. The arrangement of the ground support 6 and the third jacking mechanism 61 facilitates the assembly and position adjustment of the plurality of window flower bodies, and ensures the stability of the support of the assembled complete main body structure 100 and the accuracy of the position elevation.

[0076] As shown in Figures 1-8 The embodiment also provides a construction method of the bridge tower structure with window flower cross bracing for realizing the bridge tower structure with window flower cross bracing, and the specific steps are as follows: S1-S7.

[0077] S1: two tower columns 2 are constructed synchronously, the Nth tower column 2 segment is used for connecting the window flower node 31, N is a positive integer greater than 1, when the tower column 2 is constructed to the (N-1)th tower column 2 segment, a part of the plurality of first I-shaped steels 211 of the support frame 21 is pre-buried on the (N-1)th tower column 2 segment, the concrete of the (N-1)th tower column 2 segment is poured, when the concrete reaches the design strength, the plurality of second I-shaped steels 212 of the support frame 21 are welded on the plurality of first I-shaped steels 211 to form a complete frame platform, and the first jacking mechanism 22 is installed on the frame platform.

[0078] Two tower columns 2 are constructed synchronously, when it is needed to install the first window flower node 311 on the Nth tower column 2 segment, the pre-burial of the support frame 21 is performed on the previous (N-1)th tower column 2 segment of the Nth tower column 2 segment, the lower ends of the plurality of first I-shaped steels 211 of the support frame 21 are pre-buried on the (N-1)th tower column 2 segment, then the concrete of the (N-1)th tower column 2 segment is poured, when the concrete reaches the design strength, the plurality of second I-shaped steels 212 of the support frame 21 are welded on the plurality of first I-shaped steels 211, and finally a complete frame platform is formed. The height of the frame platform exceeding the (N-1)th tower column 2 segment is not greater than 1m. Then the first jacking mechanism 22 is installed on the frame platform. This step realizes the installation of the support frame 21 and the first jacking mechanism 22.

[0079] S2: Preliminary positioning of the position elevation of the support frame 21, lifting the window node 31 to the support frame 21 according to the positioning result through the lifting mechanism 7, so that the top of the support frame 21 is spaced 1-2 cm from the bottom of the first window node 311, for inserting the shim to adjust the attitude of the first window node 311. The longitudinal and transverse axes are set on the support frame 21 to preliminarily position the first window node 311. This step realizes the preliminary positioning and installation of the window node 31.

[0080] S3: Measuring the top of the window node 31 with the total station 8, and adjusting the positioning of the window node 31 through the first jacking mechanism 22.

[0081] The three points of the N1 steel plate 300 at the top of the first window node 311 are accurately measured by the high-precision total station 8. According to the deviation result, the steel corbels on both sides of the first window node 311 are adjusted by the first jacking mechanism 22, so that the positioning coordinates and elevation deviation of the N1 steel plate 300 of the first window node 311 are not more than ±5mm. After the first jacking mechanism 22 is unloaded, the elevation of the first window node 311 is re-measured and accurately adjusted. This step realizes the accurate positioning and installation of the window node 31.

[0082] S4: After the window node 31 is adjusted in place, the shim of steel plate 300 or profile steel is inserted at the bottom of the window node 31, the first jacking mechanism 22 in the tower column 2 is removed, and the back rod welding of the window node 31 is completed. This step can ensure the accuracy of the positioning of the window node 31 and the stability after installation.

[0083] S5: Connect the window node 31 with the Nth tower column 2 segment, and pour the concrete of the Nth tower column 2 segment to complete the construction of the Nth tower column 2 segment. After the first window node 311 is reinforced, the steel reinforcement and formwork construction are carried out synchronously with the Nth tower column 2 segment, and finally the concrete of the Nth tower column 2 segment is poured to complete the final installation of the first window node 311 and the construction of the Nth tower column 2 segment.

[0084] S6: Repeat steps S1-S5 to complete the installation of the second window node 312, the third window node 313, the fourth window node 314 and the fifth window node 315, and the concrete pouring construction of the N+1, N+2, N+3 and N+4 tower column 2 segments.

[0085] S61: If the overhanging of the outer side of the upper window node 31 is greater than that of the lower window node 31, the support assembly 4 is hoisted between the two window nodes 31 by the hoisting mechanism 7, and the second jacking mechanism 41 at the top of the support assembly 4 supports and adjusts the overhanging of the outer side of the upper window node 31. If the overhanging of the outer side of the fourth window node 314 is greater, the support assembly 4 is hoisted on the overhanging of the outer side of the third window node 313 by the hoisting mechanism 7, the bottom of the support assembly 4 is welded with the overhanging of the outer side of the third window node 313, the second jacking mechanism 41 is installed at the top of the support assembly 4, and the second jacking mechanism 41 supports and adjusts the elevation of the overhanging of the outer side of the fourth window node 314. This step realizes the temporary support and adjustment and fixation of the large overhanging window node 31.

[0086] S62: During construction, the first counterbrace 10 is installed between the two tower columns 2. The first counterbrace 10 balances the two tower columns 2.

[0087] S63: After the construction of the tower column 2 is completed, the second counterbrace 11 is installed between the two tower columns 2. The second counterbrace 11 balances the top of the two tower columns 2.

[0088] S7: The multiple window bodies are assembled by the ground support 6, after assembly, the assembled window bodies are lifted and hoisted to the specified window node 31 by the lifting mechanism 9, and the connection between the remaining multiple window bodies and the multiple window nodes 31 is completed in the air, and the construction of the cross brace mechanism 1 is completed. This step realizes the assembly, lifting and installation of the multiple window bodies, and finally completes the construction of the cross brace mechanism 1.

[0089] S8: After the construction of the cross brace mechanism 1 is completed, the first counterbrace 10, the support assembly 4 and the second jacking mechanism 41 are removed.

[0090] The construction method of the bridge tower structure with window cross bracing described above, by sequentially constructing the multiple window nodes 31 and the tower columns 2 synchronously, the construction of the multiple window nodes 31 and the two tower columns 2 is completed, and by lifting and positioning the complete main body structure 100 with four diamond-shaped frames after assembly, the remaining multiple window bodies are connected in the air, and the construction of the cross brace mechanism 1 is completed. This construction method solves the problems of simultaneous positioning of multiple window nodes 31, installation of large-tonnage cross brace mechanism 1, etc., and realizes high-precision positioning and continuous construction of the cross brace mechanism 1.

[0091] As a preferred embodiment, as shown in Figures 5 to 8 The construction method of the bridge tower structure with window cross bracing described above, the step S7 comprises: S71-S711.

[0092] S71: The first window body 101 and the second window body 102 are laid on the ground to form a V-shaped first component 113. The hoisting mechanism 7 hoists the first component 113 to the ground support 6. The third jacking mechanism 61 on the ground support 6 adjusts the corbels on the side of the first component 113 to ensure the accuracy of the position of the first component 113. The card plates are welded on the bottom and sides of the first component 113.

[0093] S72: The third window body 103 and the fourth window body 104 are laid on the ground to form a second component 114 in the shape of an inverted V. The hoisting mechanism 7 hoists the second component 114 to the card plates of the first component 113. The second component 114 and the first component 113 are welded and fixed to form the first diamond frame structure. Then the hoisting mechanism 7 is released.

[0094] S73: The fifth window body 105 and two sixth window bodies 106 are laid on the ground to form a third component 115. The hoisting mechanism 7 hoists the third component 115 to one end of the first diamond frame structure. The third component 115 and the first diamond frame structure are welded to form the second diamond frame structure. Then the hoisting mechanism 7 is released.

[0095] S74: The seventh window body 107 and two eighth window bodies 108 are laid on the ground to form a fourth component 116. The hoisting mechanism 7 hoists the fourth component 116 to the other end of the first diamond frame structure. The fourth component 116 and the first diamond frame structure are welded to form the third diamond frame structure. The third component 115 and the fourth component 116 are welded to form the fourth diamond frame structure. The first diamond frame structure, the second diamond frame structure, the third diamond frame structure, and the fourth diamond frame structure form the complete main body structure 100.

[0096] S75: The complete main body structure 100 is lifted by the lifting mechanism 9 to the specified elevation. The card plates are used to preliminarily limit the relative displacement between the middle part of the complete main body structure 100 and the third window node 313 of the two tower columns 2. The lifting mechanism 9 is a tower top lifting frame. A 32t tower top gantry is installed at the top of the tower column 2. The complete main body structure 100 with four diamond frame structures is slowly lifted by the tower top lifting frame. After the complete main body structure 100 is lifted to the specified elevation, the card plates are used to preliminarily limit the relative displacement between the middle part of the complete main body structure 100 and the third window node 313 of the two tower columns 2.

[0097] S76: Position and preliminarily connect the middle part of the complete main structure 100 with the third window flower node 313 of the two tower columns 2. After accurately positioning and controlling the accuracy of the two middle parts of the complete main structure 100 and the third window flower nodes 313 of the two tower columns 2 to be within ±5mm by the high-precision total station 8, preliminarily connect the two middle parts of the complete main structure 100 with the third window flower nodes 313 of the two tower columns 2.

[0098] S77: Position and connect a ninth window flower body 109 with the second window flower node 312 of a tower column 2. First, connect a ninth window flower body 109 with the complete main structure 100, then measure the coordinates of the second window flower node 312 of the left tower column 2, calculate the deviation of the ninth window flower body 109 from the second window flower node 312, adjust the port of the ninth window flower body 109, and after adjustment, weld the ninth window flower body 109 with the second window flower node 312 of the left tower column 2, while welding the middle part of the complete main structure 100 with the third window flower nodes 313 of the two tower columns 2, thereby forming a three-point one-plane constraint, locking the complete main structure 100 with four diamond frame structures, and effectively controlling the torsion of the complete main structure 100 under the action of external factors.

[0099] S78: Remove the second pair of braces 11 and the lifting mechanism 9, and use the hoisting mechanism 7 to hoist another ninth window flower body 109 with another second window flower node 312 of another tower column 2. After locking the complete main structure 100, remove the second pair of braces 11 and the lifting mechanism 9, and use the hoisting mechanism 7 to hoist another ninth window flower body 109, so that the other ninth window flower body 109 is welded with the second window flower node 312 of the right tower column 2. The hoisting mechanism 7 is a tower crane.

[0100] S79: The hoisting mechanism 7 hoists two tenth window flower bodies 110 with the first window flower nodes 311 of the two tower columns 2 respectively, so that the two first window flower bodies 101 are inclinedly connected and welded with the first window flower nodes 311 of the two tower columns 2.

[0101] S710: The hoisting mechanism 7 hoists two eleventh window flower bodies 111 with the fourth window flower nodes 314 of the two tower columns 2 respectively, so that the two eleventh window flower bodies 111 are inclinedly connected and welded with the fourth window flower nodes 314 of the two tower columns 2 respectively.

[0102] S711: The hoisting mechanism 7 hoists two twelfth window flower bodies 112 with the fifth window flower nodes 315 of the two tower columns 2 respectively, so that the two twelfth window flower bodies 112 are inclinedly connected and welded with the fifth window flower nodes 315 of the two tower columns 2 respectively. Thus, the overall construction of the cross brace mechanism 1 is completed.

[0103] The construction method, by the core block of the cross bracing mechanism 1 is overall lifting installation, and carries out three point one side advance positioning constraint control, combines the triangular space plane measurement and check in the construction process, realizes the millimeter level fine adjustment and accurate positioning of multiple window body of the cross bracing mechanism 1 in three axial directions, not only solves the problems such as the difficulty of simultaneous positioning of multiple nodes of the cross bracing mechanism 1 and the difficulty of installation of large tonnage cross bracing mechanism 1, but also effectively solves the problems such as the measurement dynamic displacement of the cross bracing mechanism, the slow installation speed, the low positioning measurement precision and the like, realizes the high-precision installation positioning and continuous construction of the cross bracing mechanism 1 of the high-rise tower column 2.

[0104] The above description is only a description of the preferred embodiments of the present application, and does not limit the scope of the present application in any way, and any modification or modification made by a person skilled in the art according to the above disclosure is within the protection scope of the claims.

Claims

1. A bridge tower structure with window-shaped horizontal bracing, characterized in that, It includes a horizontal bracing mechanism (1) and two tower columns (2). The horizontal bracing mechanism (1) and the two tower columns (2) are connected by two connecting components (3). The horizontal bracing mechanism (1) includes multiple assemblable window grille bodies. After the multiple window grille bodies are assembled, they form a structure with four diamond-shaped frames that are intersected and inclined by three parallel horizontal bracing beams and another three parallel horizontal bracing beams. The connecting components (3) include multiple window grille nodes (31). The window grille nodes (31) are connected to the tower columns (2) through support frames (21). The support frame (21) is detachably provided with a first lifting mechanism (22) for adjusting the window grille nodes (31), and a support adjustment mechanism is detachably provided between two adjacent window grille nodes (31).

2. The bridge tower structure with window-shaped horizontal braces as described in claim 1, characterized in that, The support adjustment mechanism includes a support component (4) and a second lifting mechanism (41). The bottom of the support component (4) is welded to the window grille node (31) located at the bottom, and the second lifting mechanism (41) is installed on the top of the support component (4).

3. The bridge tower structure with window-shaped horizontal braces as described in claim 1, characterized in that, The window decoration body includes a first window decoration body (101), a second window decoration body (102), a third window decoration body (103), a fourth window decoration body (104), a fifth window decoration body (105), two sixth window decoration bodies (106), a seventh window decoration body (107), two eighth window decoration bodies (108), two ninth window decoration bodies (109), two tenth window decoration bodies (110), two eleventh window decoration bodies (111), and two twelfth window decoration bodies (112); The first window grille body (101) and the second window grille body (102) are used to form the first V-shaped component (113); The third window grille body (103) and the fourth window grille body (104) are used to form the second component (114) in the shape of an inverted V. The second component (114) and the first component (113) are used to form the first diamond frame structure. The fifth window grille body (105) and two sixth window grille bodies (106) are used to form the third component (115), and the third component (115) and the first rhomboid frame structure are used to form the second rhomboid frame structure; The seventh window grille body (107) and two eighth window grille bodies (108) are used to form the fourth component (116), the fourth component (116) and the first rhombus frame structure are used to form the third rhombus frame structure, the third component (115) and the fourth component (116) form the fourth rhombus frame structure, and the first rhombus frame structure, the second rhombus frame structure, the third rhombus frame structure and the fourth rhombus frame structure form a complete main body structure (100) with four rhombus frames; The window decoration node (31) includes a first window decoration node (311), a second window decoration node (312), a third window decoration node (313), a fourth window decoration node (314), and a fifth window decoration node (315) from bottom to top along the height direction of the tower column (2).

4. The bridge tower structure with window-shaped horizontal braces as described in claim 1, characterized in that, The support frame (21) includes a plurality of first I-beams (211) arranged along the height direction of the tower column (2) and a plurality of second I-beams (212) arranged perpendicular to the height direction of the tower column (2), with the plurality of second I-beams (212) mounted on the plurality of first I-beams (211).

5. The bridge tower structure with window-shaped horizontal braces as described in claim 1, characterized in that, It also includes a base (5) and a ground support (6) for assembling multiple window grille bodies. The two tower columns (2) are symmetrically installed on the base (5). The ground support (6) is installed on the base (5). The ground support (6) is provided with a third lifting mechanism (61) for adjusting the window grille body.

6. A construction method for a bridge tower structure with window-shaped horizontal braces, used to realize the bridge tower structure with window-shaped horizontal braces as described in any one of claims 1 to 5, characterized in that, The specific steps are as follows: S1: The two tower columns (2) are constructed simultaneously. The Nth tower column (2) segment is used to connect the window grille node (31). N is a positive integer greater than 1. When the tower column (2) is constructed to the N-1th tower column (2) segment, a portion of the multiple first I-beams (211) of the support frame (21) is pre-embedded on the N-1th tower column (2) segment. The concrete of the N-1th tower column (2) segment is poured. When the concrete reaches the design strength, the multiple second I-beams (212) of the support frame (21) are welded to the multiple first I-beams (211) to form a complete frame platform. The first lifting mechanism (22) is installed on the frame platform. S2: The position and elevation of the support frame (21) are initially determined, and the window grille node (31) is lifted onto the support frame (21) by the crane mechanism (7) according to the positioning result; S3: Use a total station (8) to measure the top of the window grille node (31), and use the first lifting mechanism (22) to adjust the positioning of the window grille node (31); S4: After the window grille node (31) is adjusted into place, insert a pad into the bottom of the window grille node (31), remove the first lifting mechanism (22), and complete the welding of the back tie rod of the window grille node (31). S5: Connect the window grille node (31) to the Nth tower column (2) segment, and pour the concrete of the Nth tower column (2) segment to complete the construction of the Nth tower column (2) segment; S6: Repeat steps S1-S5 until all window grille nodes (31) are installed and the concrete pouring of the tower column (2) is completed. S7: Multiple window grille bodies are assembled using ground supports (6). After assembly, the assembled window grille bodies are lifted and hoisted to the designated window grille node (31) for positioning and connection through the lifting mechanism (9). The remaining multiple window grille bodies are then connected to multiple window grille nodes (31) in the air, and the construction of the cross bracing mechanism (1) is completed.

7. The construction method of the bridge tower structure with window-shaped horizontal braces as described in claim 6, characterized in that, Step S6 includes: S61: If the outer cantilever of the upper window grille node (31) is greater than the outer cantilever of the lower window grille node (31), a crane mechanism (7) is used to hoist the support component (4) between the two window grille nodes (31), and the second lifting mechanism (41) at the top of the support component (4) supports and adjusts the outer cantilever of the upper window grille node (31).

8. The construction method of the bridge tower structure with window-shaped horizontal braces as described in claim 7, characterized in that, Step S6 further includes: S62: During construction, the first bracing (10) is installed between the two tower columns (2); S63: After the tower column (2) is completed, a second bracing (11) is installed between the two tower columns (2).

9. The construction method of the bridge tower window grille cross brace structure as described in claim 8, characterized in that, Also includes: S8: After the construction of the cross bracing mechanism (1) is completed, the first cross bracing (10), the support component (4) and the second lifting mechanism (41) are dismantled.

10. The construction method of the bridge tower structure with window-shaped horizontal braces as described in claim 6, employing the bridge tower structure with window-shaped horizontal braces as described in claim 2, characterized in that, Step S7 includes: S71: The first window grille body (101) and the second window grille body (102) are horizontally assembled to form a V-shaped first component (113). The crane mechanism (7) lifts the first component (113) into place, and the third lifting mechanism (61) on the ground support (6) adjusts the first component (113). S72: The third window grille body (103) and the fourth window grille body (104) are horizontally assembled to form an inverted V-shaped second component (114). The crane mechanism (7) lifts the second component (114) into place. The second component (114) and the first component (113) are welded together to form the first diamond frame structure. S73: The fifth window flower body (105) and two sixth window flower bodies (106) are horizontally assembled to form the third component (115). The crane mechanism (7) lifts the third component (115) into place. The third component (115) and the first diamond frame structure are welded to form the second diamond frame structure. S74: The seventh window flower body (107) and two eighth window flower bodies (108) are horizontally assembled to form the fourth component (116). The crane mechanism (7) hoists the fourth component (116) into place. The fourth component (116) and the first diamond frame structure are welded to form the third diamond frame structure. The third component (115) and the fourth component (116) form the fourth diamond frame structure. The first diamond frame structure, the second diamond frame structure, the third diamond frame structure and the fourth diamond frame structure form the complete main structure (100). S75: The complete main structure (100) is lifted by the lifting mechanism (9) to the specified elevation. After the lifting, the relative displacement between the middle part of the complete main structure (100) and the third window node (313) of the two tower columns (2) is initially restricted by the clamping plate. S76: Position and initially connect the middle part of the complete main structure (100) with the third window node (313) of the two tower columns (2); S77: Position and connect a ninth window lattice body (109) to the second window lattice node (312) of a tower column (2); S78: Remove the second bracing (11) and lifting mechanism (9), and use a crane mechanism (7) to hoist the second window node (312) of another ninth window body (109) and another tower column (2); S79: The hoisting mechanism (7) hoists the two tenth window grille bodies (110) to the first window grille nodes (311) of the two tower columns (2) respectively; S710: The hoisting mechanism (7) hoists the two eleventh window grille bodies (111) to the fourth window grille nodes (314) of the two tower columns (2) respectively; S711: The hoisting mechanism (7) hoists the two eleventh window grille bodies (111) to the fifth window grille nodes (315) of the two tower columns (2) respectively, thereby completing the overall construction of the cross bracing mechanism (1).

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