Construction system and method of steel box decorative arch landscape bridge with variable height of ribbon

Abstract

The present invention provides a construction system and method for a streamer deformation height steel box decorative multi-arch landscape bridge, by setting a streamer ground pre-assembled and finalized tire frame, an adjustable temporary oblique support system for arch rib installation, an auxiliary support system for side span cap beam consolidation arch foot installation, an auxiliary support system for middle span cap beam consolidation arch foot installation and a sidewalk longitudinal beam arch rib hanger installation system; the present application adopts a streamer ground pre-assembled and finalized tire frame provided with a tightening device, threaded positioning ribs and universal wheels to assemble the steel box, the tire frame is easy to move and install, the assembly effect is good, and the construction progress is accelerated; by setting an adjustable temporary oblique support for arch rib installation, an auxiliary support for arch foot installation of the side span cap beam and the middle span cap beam consolidation, the installation process has good stability, and the safety of the steel box bridge body construction is guaranteed; by setting up an operating platform at the bottom of the sidewalk for hanger construction and pre-burying casing, a hanger installation system is formed, the installation speed of the hanger is accelerated, and the accuracy is good.

Description

Technical Field

[0001] The invention relates to the technical field of bridge construction, and in particular to a construction system and a construction method for a ribbon-deformed height steel box decorative multi-arch landscape bridge. Background Art

[0002] With the rapid development of the national economy and the gradual improvement of the material living standards, people are increasingly concerned about the expectations and requirements of spiritual civilization such as beautifying the living environment and improving the quality of life. As the basic activities of people's lives, the modeling requirements of bridge architecture are also increasingly attracting everyone's attention. Modern bridges are no longer purely for the purpose of satisfying functions. The huge span, strong form expression and extraordinary scale of bridges have an impact on the landscape of cities or the earth. Bridges are not just simple transportation facilities, but also a beautiful scenery and a carrier of culture. In order to increase the beauty of urban municipal administration, the application of ribbon-shaped landscape bridges has increased, but there are fewer studies on ribbon-shaped height landscape bridges. Among them, the assembly is often time-consuming and laborious, and the support system will also produce poor results. There are a series of problems such as the reliability of the connection between the arch foot and the cap beam and the installation of the hanger. Therefore, it is necessary to increase the research investment in this area to make the ribbon-shaped height steel box landscape bridge have a better development in the future.

[0003] In view of this, in view of the shortcomings of previous steel box decorative arch landscape bridge construction, such as poor steel box splicing effect, slow speed, poor support stability, and unstable consolidation of side span cap beams and middle span cap beams, a new ribbon deformation height steel box decorative arch landscape bridge construction system and construction method are urgently needed to improve construction efficiency, improve construction quality, and ensure safe and reliable construction quality. Summary of the invention

[0004] The purpose of the present invention is to provide a construction system and a construction method for a steel box decorative multi-arch landscape bridge with a ribbon deformation height, aiming to solve the technical problems of poor steel box splicing effect, slow speed, poor supporting stability, and unstable consolidation of side span cap beams and middle span cap beams in the current construction of steel box decorative multi-arch landscape bridges.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] The construction system of the steel box decorative arch landscape bridge with variable height of the ribbon includes the pre-assembled and finalized tire frame of the ribbon ground, the adjustable temporary oblique support system for the arch rib installation, the auxiliary support system for the arch foot installation of the side span cap beam, the auxiliary support system for the arch foot installation of the middle span cap beam, and the arch rib hanger installation system of the sidewalk longitudinal beam;

[0007] The streamer ground pre-assembled finalized tire frame includes a tire frame bottom plate, a tightening device and a tire frame side plate; the tightening device is arranged on both sides of the tire frame bottom plate, and is used to tighten the steel box arranged on the tire frame bottom plate; the tire frame side plates are arranged on both sides of the tire frame bottom plate;

[0008] The arch rib mounted adjustable temporary oblique support system comprises a steel bottom plate, a telescopic rod device and an enlarged end plate; the steel bottom plate is positioned on the bridge deck; the lower end base of the telescopic rod device is positioned on the steel bottom plate, and the upper end piston rod end is connected to the enlarged end plate; the enlarged end plate is mounted on the steel box;

[0009] The side span cap beam consolidation arch foot installation auxiliary support system includes a steel plate box and a pre-embedded reinforcement; the steel plate box is positioned and installed on the pier column, and the side is fixedly connected to the pre-embedded reinforcement on the cap beam; the lower end of the steel box is positioned and arranged in the steel plate box;

[0010] The auxiliary support system for installing the arch foot of the mid-span cap beam consolidation includes two steel plate boxes and two embedded bars. The two steel plate boxes are positioned and installed on the pier column, and the sides are fixedly connected to the two embedded bars on the cap beam; the lower ends of the steel boxes on both sides are positioned in the steel plate boxes;

[0011] The sidewalk longitudinal beam arch rib hanger installation system includes a concrete platform, a steel plate cushion, an embedded sleeve, a steel rope, a steel truss and an operating platform; the concrete platform is erected on the steel box bridge body; the steel plate cushion is installed on the concrete platform; the embedded sleeve is arranged at the hanger installation position; the steel truss is fixed under the sidewalk by fixing bolts; the steel rope passes through the steel box bridge body, the sidewalk, the concrete platform and the steel plate cushion in sequence and is fixed up and down by fixing bolts; the operating platform is suspended under the sidewalk by the steel rope.

[0012] As a further improvement of the present invention, the pre-assembled and standardized tire frame on the ribbon ground includes a tire frame bottom plate, a tightening device, a tire frame side plate, a slot, a rib, a universal wheel and a threaded positioning rib. The universal wheel is fixedly installed on the lower part of the tire frame bottom plate through a universal wheel fixing frame to facilitate the movement of the tire frame; the tire frame bottom plate is divided into a tire frame A bottom plate, a tire frame B bottom plate and a tire frame C bottom plate. The tire frame A bottom plate and the tire frame C bottom plate are provided with a slot at the connection with the tire frame B bottom plate. Ribs are welded at both ends of the tire frame B bottom plate, and the ribs can be inserted into the slots for fixation. The tire frame side plates include tire frame A side plates, tire frame B side plates and tire frame C side plates; threaded holes are opened at designated positions on the tire frame side plates, and the threaded positioning ribs are installed in the threaded holes and can be rotatably controlled. The tightening device is used to tighten the steel box on the tire frame.

[0013] As a further improvement of the present invention, the tightening device includes a fixed base, a tightening screw and a bracket with holes; the fixed base is welded to the bottom plate of the tire frame, and the bracket with holes is welded to the fixed base; the hole bracket is provided with a screw hole, and the tightening screw can be inserted into the screw hole and rotated to tighten the steel box.

[0014] As a further improvement of the present invention, the arch rib mounted adjustable temporary oblique support system includes a steel base plate, a telescopic rod device and an enlarged end plate; the steel base plate is fixed to the bridge deck by screws, and the bottom end of the telescopic sleeve rod of the telescopic rod device is fixed to the steel base plate; the piston rod of the telescopic rod device is connected to the telescopic sleeve rod, and the telescopic control is performed through a telescopic control switch at the connection; the enlarged end plate is installed on the steel box through the end plate fixing ribs.

[0015] As a further improvement of the present invention, the bottom of the steel plate box of the auxiliary support system for installing the arch foot of the side span cap beam is fixed to the pier by screws; the positioning of the steel plate box is also provided with a second standardized clamping plate; the clamping and positioning of the steel box is achieved by the second standardized clamping plate; the steel box is installed and welded and fixed in the steel plate box, and concrete is poured, and the second standardized clamping plate is made according to the top shape of the steel plate box.

[0016] As a further improvement of the present invention, the auxiliary support system for installing the arch foot of the mid-span cap beam also includes a standardized card plate and screws; the bottom of the steel plate box two is fixed to the pier by screws, and the side is connected and fixed by arranging two embedded ribs in the cap beam, and the steel boxes on both sides are installed and welded and fixed in the steel plate box two at the same time, and concrete is poured. The standardized card plate is made according to the top of the steel plate box two and the shape of the steel box, and is welded and fixed to the top of the steel plate box two to seal and fix it.

[0017] As a further improvement of the present invention, the operating platform of the sidewalk longitudinal beam arch rib hanger installation system is suspended by steel ropes and fixed at the bottom by fixing bolts.

[0018] As a further improvement of the present invention, the steel truss beam also includes a transverse steel truss beam and a longitudinal steel truss beam; the two are staggered and overlapped, and fixed to the bottom of the sidewalk by fixing bolts.

[0019] The construction method of the streamer deformation height steel box decorative arch landscape bridge comprises the following steps:

[0020] S1. Construction preparation: According to the construction requirements, the construction machinery and tools are inspected before construction to ensure their normal use, the materials required for construction are prepared, technical explanations are given to relevant technical personnel, and the construction machinery is gradually brought into the site;

[0021] S2. Standardized tire frame assembly: the universal wheel is fixedly installed on the lower part of the tire frame bottom plate through the universal wheel fixing frame, which is convenient for the tire frame to move. The tire frame bottom plate is divided into tire frame A bottom plate, tire frame B bottom plate and tire frame C bottom plate. The tire frame A bottom plate and the tire frame C bottom plate are provided with a card slot at the connection with the tire frame B bottom plate. The two ends of the tire frame B bottom plate are welded with clamping ribs, which can be clamped into the card slot for fixing. The tire frame side plates include tire frame A side plates, tire frame B side plates and tire frame C side plates. Threaded holes are opened at designated positions on the tire frame side plates. The threaded positioning ribs are installed in the threaded holes and can be rotatably controlled. The fixed base is welded to the tire frame bottom plate, and the bracket with holes is welded to the fixed base. The bracket is provided with a screw hole. The tightening screw can be inserted into the screw hole and rotated to tighten the steel box. The tightening device is used to tighten the steel box on the tire frame to facilitate the welding of the steel box.

[0022] S3, steel box assembly: The steel box is transported to the site by a crane, placed on the tire frame bottom plate, fixed by a tightening device and threaded positioning ribs, and then welded;

[0023] S4. Steel box hoisting: After the steel box is assembled, it is hoisted and placed with a truck crane;

[0024] S5. Construction of auxiliary support system for the installation of arch foot consolidation of side span and middle span cap beams: The bottom of the steel plate box is fixed to the pier by screws, and the side is connected and fixed by setting embedded reinforcement bars in the cap beam. The steel box is installed and welded into the steel plate box, and concrete is poured. The second shaped card plate is made according to the shape of the top of the steel plate box and welded to the top of the steel plate box.

[0025] S6. Construction of adjustable temporary oblique support system for arch rib installation: The bottom end of the telescopic sleeve rod is fixed on the steel bottom plate, the telescopic rod is connected to the telescopic sleeve rod, and the telescopic control switch at the connection is used for telescopic control. The expanded end plate is installed on the steel box through the end plate fixing ribs to increase the contact surface between the telescopic rod and the steel box and make the support more stable.

[0026] S7. Sidewalk longitudinal beam arch rib hanger installation system: The concrete platform is erected on the steel box bridge body, the steel plate cushion is installed on the concrete platform, the embedded casing is set at the hanger installation location, the rubber pad is fixed to the bottom of the sidewalk to play a shock-absorbing and buffering role, the steel truss is fixed to the sidewalk by fixing bolts, the steel rope passes through the holes on the steel box bridge body and the sidewalk, and is fixed up and down by fixing bolts, the operating platform is suspended by steel ropes, and the bottom is firmly fixed with fixing bolts, which is convenient for construction workers to carry out tensioning work on it;

[0027] S8, suspender tensioning construction: construction workers install tensioning equipment on the operating platform and tension through jacks;

[0028] S9. Protection treatment: After the construction of the boom is completed, anti-corrosion grease is put into the embedded casing and epoxy mortar is applied to both ends to protect the boom and increase its service life;

[0029] S10. Remove temporary supports and complete construction: After the steel box is firmly installed and the hanger is tensioned, remove the temporary supports, clean up the construction site, and complete the construction.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] The present application adopts a pre-assembled and standardized tire frame on the ground with a tightening device, threaded positioning ribs and universal wheels to assemble the steel box. The tire frame is easy to move and install, has a good assembly effect, and accelerates the construction progress. By setting up adjustable temporary oblique supports for arch ribs, and installing auxiliary brackets for the arch feet of the side span cap beam and the middle span cap beam, the installation process has good stability, ensuring the safety of the steel box bridge construction. By setting up an operating platform at the bottom of the sidewalk for hanger construction and pre-embedded casing, a hanger installation system is formed, which speeds up the installation of the hanger and has good accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. It is obvious that the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 It is a schematic diagram of the structure of the present invention;

[0034] Figure 2 It is a top view of the tire frame assembly structure;

[0035] Figure 3 It is a front view of the tire frame assembly structure;

[0036] Figure 4 It is a front view of the tightening device;

[0037] Figure 5 is a side view of the tightening device;

[0038] Figure 6 It is a schematic diagram of the structure of an adjustable temporary diagonal support system installed on the arch rib;

[0039] Figure 7 This is the front view of the system structure of the auxiliary support for installing the arch foot of the side span cap beam consolidation;

[0040] Figure 8 It is a side view of the system structure of auxiliary brackets for installing the arch foot of the side span cap beam;

[0041] Fig. 9 This is the front view of the auxiliary support system structure for installing the arch foot of the mid-span cap beam;

[0042] Fig.10 It is a schematic diagram of the installation system of the sidewalk longitudinal beam arch rib hanger;

[0043] Description of the numbers in the figure:

[0044] 1. Pre-assembled and standardized tire frame for the streamer ground; 11. Tire frame bottom plate; 111. Tire frame A bottom plate; 112. Tire frame B bottom plate; 113. Tire frame C bottom plate; 12. Clamping device; 121. Fixed base; 122. Clamping screw; 123. Perforated bracket; 13. Tire frame side plate; 131. Tire frame A side plate; 132. Tire frame B side plate; 133. Tire frame C side plate; 14. Slot; 15. Clamping rib; 16. Universal wheel; 17. Threaded positioning rib; 2. Arch rib installation adjustable temporary oblique support system; 21. Steel bottom plate; 22. Telescopic rod device; 23. Expanded end plate; 3. Side span cover Auxiliary support system for the installation of the arch foot of the beam consolidation; 31. Steel plate box; 32. Embedded reinforcement one; 33. Standardized pallet two; 4. Auxiliary support system for the installation of the arch foot of the mid-span cap beam consolidation; 41. Steel plate box two; 42. Standardized pallet one; 5. Sidewalk longitudinal beam arch rib hanger installation system; 51. Concrete platform; 52. Steel plate cushion layer; 53. Embedded casing; 54. Steel rope; 55. Steel truss; 551. Transverse steel truss; 552. Longitudinal steel truss; 56. Operating platform; 57. Rubber pad; 6. Pier; 7. Steel box bridge body; 71. Steel box; 8. Bridge deck; 9. Sidewalk; 10 Cap beam. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] Combined with Figures 1 to 10 The present invention provides a steel box decorative multi-arch landscape bridge with a ribbon deformation height and a construction method, aiming to solve the technical problems of poor steel box splicing effect, slow speed, poor supporting stability, and unstable consolidation of side span cap beams and middle span cap beams in the construction of steel box decorative multi-arch landscape bridges at the current stage.

[0047] Specifically, the construction system of the streamer deformation height steel box decorative arch landscape bridge includes a streamer ground pre-assembled and finalized tire frame 1, an adjustable temporary oblique support system for arch rib installation 2, an auxiliary support system for side span cap beam consolidation arch foot installation 3, an auxiliary support system for middle span cap beam consolidation arch foot installation 4, and a sidewalk longitudinal beam arch rib hanger installation system 5;

[0048] The streamer ground pre-assembled finalized tire frame 1 includes a tire frame bottom plate 11, a tightening device 12 and a tire frame side plate 13; the tightening device 12 is arranged on both sides of the tire frame bottom plate 11, and is used to tighten the steel box 71 arranged on the tire frame bottom plate 11; the tire frame side plate 13 is arranged on both sides of the tire frame bottom plate 11;

[0049] The arch rib mounted adjustable temporary oblique support system 2 comprises a steel bottom plate 21, a telescopic rod device 22 and an enlarged end plate 23; the steel bottom plate 21 is positioned on the bridge deck 8; the lower end base of the telescopic rod device 22 is positioned on the steel bottom plate 21, and the upper end piston rod end is connected to the enlarged end plate 23; the enlarged end plate 23 is mounted on the steel box 71;

[0050] The side span cap beam consolidation arch foot installation auxiliary support system 3 includes a steel plate box 31 and an embedded rib 32; the steel plate box 31 is positioned and installed on the pier 6, and the side is fixedly connected to the embedded rib 32 on the cap beam 10; the lower end of the steel box 71 is positioned and set in the steel plate box 31;

[0051] The auxiliary support system 4 for installing the arch foot of the mid-span cap beam consolidation includes a steel plate box 41 and two embedded bars. The steel plate box 41 is positioned and installed on the pier 6, and the side is fixedly connected to the embedded bars on the cap beam 10; the lower ends of the steel boxes 71 on both sides are positioned in the steel plate box 31;

[0052] The sidewalk longitudinal beam arch rib hanger installation system 5 includes a concrete platform 51, a steel plate cushion layer 52, an embedded sleeve 53, a steel rope 54, a steel truss 55 and an operating platform 56; the concrete platform 51 is erected on the steel box bridge body 7; the steel plate cushion layer 52 is installed on the concrete platform 51; the embedded sleeve 53 is set at the hanger installation position; the steel truss 55 is fixed under the sidewalk 9 by fixing bolts; the steel rope 54 passes through the steel box bridge body 7, the sidewalk 9, the concrete platform 51 and the steel plate cushion layer 52 in sequence and is fixed up and down by fixing bolts; the operating platform 56 is suspended under the sidewalk 9 by the steel rope 54.

[0053] Furthermore, the streamer ground pre-assembled finalized tire frame 1 includes a tire frame bottom plate 11, a tightening device 12, a tire frame side plate 13, a slot 14, a clamping rib 15, a universal wheel 16 and a threaded positioning rib 17. The universal wheel 16 is fixedly installed at the lower part of the tire frame bottom plate 11 through a universal wheel 16 fixing frame to facilitate the movement of the tire frame; the tire frame bottom plate 11 is divided into a tire frame A bottom plate 111, a tire frame B bottom plate 112 and a tire frame C bottom plate 113. The tire frame A bottom plate 111 and the tire frame C bottom plate 113 are connected to the tire frame A card slot 14 is provided at the connection of the tire frame B bottom plate 112, and card ribs 15 are welded at both ends of the tire frame B bottom plate 112. The card ribs 15 can be inserted into the card slot 14 for fixation. The tire frame side plate 13 includes a tire frame A side plate 131, a tire frame B side plate 132 and a tire frame C side plate 133. A threaded hole is opened at a designated position on the tire frame side plate 13, and the threaded positioning rib 17 is installed in the threaded hole and can be rotatably controlled. The tightening device 12 is used to tighten the steel box 71 on the tire frame to facilitate the welding of the steel box 71.

[0054] Furthermore, the arch rib mounted adjustable temporary oblique support system 2 includes a steel base plate 21, a telescopic rod device 22 and an enlarged end plate 23; the steel base plate 21 is fixed to the bridge deck 8 by screws, and the bottom end of the telescopic sleeve of the telescopic rod device 22 is fixed to the steel base plate 21; the piston rod of the telescopic rod device 22 is connected to the telescopic sleeve, and the telescopic control is performed through the telescopic control switch at the connection; the enlarged end plate 23 is installed on the steel box 71 through the end plate fixing ribs, in order to increase the contact surface between the telescopic rod and the steel box 71 and make the support more stable.

[0055] Furthermore, the bottom of the steel plate box 31 of the auxiliary support system 3 for installing the side span cap beam consolidating the arch foot is fixed to the pier 6 by screws; the positioning of the steel plate box 31 is also provided with a second standardized clamping plate 33; the clamping positioning of the steel box 71 is achieved by the second standardized clamping plate 33; the steel box 71 is installed and welded and fixed in the steel plate box 31, and concrete is poured, and the second standardized clamping plate 33 is made according to the top shape of the steel plate box 31.

[0056] Furthermore, the mid-span cap beam consolidation arch foot installation auxiliary support system 4 also includes a standardized card plate 42 and screws; the bottom of the steel plate box 41 is fixed to the pier 6 by screws, and the side is connected and fixed by setting embedded reinforcement 2 in the cap beam 10, and the steel boxes 71 on both sides are installed and welded and fixed in the steel plate box 41 at the same time, and concrete is poured. The standardized card plate 42 is made according to the top of the steel plate box 41 and the shape of the steel box 71, and is welded and fixed to the top of the steel plate box 41 to seal and fix it.

[0057] Furthermore, the operating platform 56 of the sidewalk longitudinal beam arch rib hanger installation system 5 is suspended by steel ropes 54 and is firmly fixed at the bottom with fixing bolts, so that construction workers can perform tensioning work thereon.

[0058] Furthermore, the tightening device 12 includes a fixed base 121, a tightening screw 122 and a bracket with holes 123; the fixed base 121 is welded to the tire frame bottom plate 11, and the bracket with holes 123 is welded to the fixed base 121; the hole bracket 123 is provided with a screw hole, and the tightening screw 122 can be inserted into the screw hole and rotated to tighten the steel box 71.

[0059] Furthermore, the steel truss beam 55 also includes a transverse steel truss beam 551 and a longitudinal steel truss beam 552; the two are staggered and overlapped, and fixed to the bottom of the sidewalk 9 by fixing bolts.

[0060] Furthermore, the sidewalk longitudinal beam arch rib hanger installation system 5 also includes a rubber pad 57; the rubber pad 57 is fixed to the bottom of the sidewalk 9 to play a shock absorbing and buffering role.

[0061] The construction method of the streamer deformation height steel box decorative arch landscape bridge comprises the following steps:

[0062] S1. Construction preparation: According to the construction requirements, the construction machinery and tools are inspected before construction to ensure their normal use, the materials required for construction are prepared, technical explanations are given to relevant technical personnel, and the construction machinery is gradually brought into the site;

[0063] S2. Standardized tire frame assembly: The universal wheel 16 is fixedly mounted on the lower part of the tire frame bottom plate 11 through the universal wheel 16 fixing frame to facilitate the movement of the tire frame. The tire frame bottom plate 11 is divided into a tire frame A bottom plate 111, a tire frame B bottom plate 112 and a tire frame C bottom plate 113. The tire frame A bottom plate 111 and the tire frame C bottom plate 113 are provided with a card slot 14 at the connection with the tire frame B bottom plate 112. The two ends of the tire frame B bottom plate 112 are welded with card ribs 15, which can be inserted into the card slot 14 for fixing. The tire frame side plate 13 includes a tire frame A The side plate 131, the tire frame B side plate 132 and the tire frame C side plate 133, threaded holes are opened at designated positions on the tire frame side plate 13, the threaded positioning ribs 17 are installed in the threaded holes and can be rotated and controlled, the fixed base 121 is welded to the tire frame bottom plate 11, the bracket 123 with holes is welded to the fixed base 121, the bracket is provided with a screw hole, the tightening screw 122 can be inserted into the screw hole and rotated to tighten the steel box 71, and the tightening device 12 is used to tighten the steel box 71 on the tire frame to facilitate the welding of the steel box 71;

[0064] S3, steel box assembly: The steel box 71 is transported to the site by a crane, placed on the tire frame bottom plate 11, fixed by the tightening device 12 and the threaded positioning ribs 17, and then welded;

[0065] S4, steel box hoisting: after the steel box 71 is assembled, it is hoisted and placed using a truck crane;

[0066] S5. Construction of auxiliary support system 4 for installing arch foot consolidation of side span and middle span cap beams: The bottom of the steel plate box 31 is fixed to the pier 6 by screws, and the side is connected and fixed by setting embedded reinforcement 2 in the cap beam 10. The steel box 71 is installed and welded and fixed in the steel plate box 31, and concrete is poured. The shaped card plate 42 is made according to the top shape of the steel plate box 31 and welded and fixed to the top of the steel plate box 31;

[0067] S6. Construction of the adjustable temporary oblique support system 2 for arch rib installation: The bottom end of the telescopic sleeve rod is fixed on the steel bottom plate 21, the telescopic rod is connected to the telescopic sleeve rod, and the telescopic control switch at the connection is used for telescopic control. The enlarged end plate 23 is installed on the steel box 71 through the end plate fixing ribs to increase the contact surface between the telescopic rod and the steel box 71 and make the support more stable;

[0068] S7, sidewalk longitudinal beam arch rib hanger installation system 5: concrete platform 51 is erected on the steel box bridge body 7, steel plate cushion layer 52 is installed on the concrete platform 51, embedded sleeve 53 is set at the hanger installation position, rubber pad 57 is fixed to the bottom of the sidewalk 9 to play a shock-absorbing and buffering role, steel truss 55 is fixed to the sidewalk 9 by fixing bolts, steel rope 54 passes through the openings on the steel box bridge body 7 and the sidewalk 9, and is fixed up and down by fixing bolts, the operating platform 56 is suspended by the steel rope 54, and the bottom is firmly fixed with fixing bolts, so that construction workers can carry out tensioning work on it;

[0069] S8, suspension rod tensioning construction: construction personnel install tensioning equipment on the operating platform 56 and perform tensioning through a jack;

[0070] S9, protective treatment: After the construction of the boom is completed, anti-corrosion grease is placed in the embedded casing 53, and epoxy mortar is applied to both ends to protect the boom and increase its service life;

[0071] S10, temporary support is removed and construction is completed: after the steel box 71 is firmly installed and the suspension rod is tensioned, the temporary support is removed, the construction site is cleaned, and the construction is completed.

[0072] The present application adopts a streamer ground pre-assembled and standardized tire frame 1 equipped with a tightening device 12, threaded positioning ribs 17 and universal wheels 16 to assemble the steel box 71. The tire frame is easy to move and install, the assembly effect is good, and the construction progress is accelerated; by setting up an adjustable temporary oblique support for arch ribs, the side span cap beam and the middle span cap beam are consolidated to install the arch foot auxiliary bracket, the installation process has good stability, and the safety of the construction of the steel box bridge body 7 is ensured; by setting up an operating platform 56 at the bottom of the sidewalk 9 for hanger construction and pre-embedded casing 53, a hanger installation system is formed, which speeds up the installation speed of the hanger and has good accuracy.

[0073] It should be noted that some parts not described in detail in the present invention belong to the well-known technology in the art, or can be directly purchased from the market, and those skilled in the art can obtain them without creative work. The specific connection method is extremely widely used in this art or in daily life, and will not be described in detail here.

[0074] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0075] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0076] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0077] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0078] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0079] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. The construction system of the steel box decorative arch landscape bridge with variable height of ribbons is characterized by: It includes the pre-assembled and finalized tire frame for the streamer ground, the adjustable temporary oblique support system for the arch rib installation, the auxiliary support system for the arch foot installation of the side span cap beam, the auxiliary support system for the arch foot installation of the middle span cap beam, and the sidewalk longitudinal beam arch rib hanger installation system; The streamer ground pre-assembled finalized tire frame includes a tire frame bottom plate, a tightening device and a tire frame side plate; the tightening device is arranged on both sides of the tire frame bottom plate, and is used to tighten the steel box arranged on the tire frame bottom plate; the tire frame side plates are arranged on both sides of the tire frame bottom plate; The arch rib mounted adjustable temporary oblique support system comprises a steel bottom plate, a telescopic rod device and an enlarged end plate; the steel bottom plate is positioned on the bridge deck; the lower end base of the telescopic rod device is positioned on the steel bottom plate, and the upper end piston rod end is connected to the enlarged end plate; the enlarged end plate is mounted on the steel box; The side span cap beam consolidation arch foot installation auxiliary support system includes a steel plate box and a pre-embedded reinforcement; the steel plate box is positioned and installed on the pier column, and the side is fixedly connected to the pre-embedded reinforcement on the cap beam; the lower end of the steel box is positioned and arranged in the steel plate box; The auxiliary support system for installing the arch foot of the mid-span cap beam consolidation includes a steel plate box and two embedded bars. The steel plate box is positioned and installed on the pier column, and the side is fixedly connected to the embedded bars on the cap beam; the lower ends of the steel boxes on both sides are positioned in the steel plate box; The sidewalk longitudinal beam arch rib hanger installation system includes a concrete platform, a steel plate cushion, an embedded casing, a steel rope, a steel truss and an operating platform; the concrete platform is erected on the steel box bridge body; the steel plate cushion is installed on the concrete platform; the embedded casing is set at the hanger installation location; the steel truss is fixed under the sidewalk by fixing bolts; the steel rope passes through the steel box bridge body, the sidewalk, the concrete platform and the steel plate cushion in sequence and is fixed up and down by fixing bolts; the operating platform is suspended under the sidewalk by steel ropes; The pre-assembled and standardized tire frame of the streamer ground includes a tire frame bottom plate, a tightening device, a tire frame side plate, a slot, a clamping rib, a universal wheel and a threaded positioning rib. The universal wheel is fixedly installed at the lower part of the tire frame bottom plate through a universal wheel fixing frame to facilitate the movement of the tire frame; the tire frame bottom plate is divided into a tire frame A bottom plate, a tire frame B bottom plate and a tire frame C bottom plate. The tire frame A bottom plate and the tire frame C bottom plate are provided with a slot at the connection with the tire frame B bottom plate. Clamping ribs are welded at both ends of the tire frame B bottom plate. The clamping ribs can be clamped into the slots and fixed. The tire frame side plates include tire frame A side plates, tire frame B side plates and tire frame C side plates; threaded holes are opened at designated positions on the tire frame side plates, the threaded positioning ribs are installed in the threaded holes and can be rotatably controlled, and the tightening device is used to tighten the steel box on the tire frame; The tightening device includes a fixed base, a tightening screw and a bracket with holes; the fixed base is welded to the tire frame bottom plate, and the bracket with holes is welded to the fixed base; the bracket with holes is provided with a screw hole, and the tightening screw can be inserted into the screw hole and rotated to tighten the steel box.

2. The construction system of the steel box decorative arch landscape bridge with variable height of the ribbon deformation according to claim 1 is characterized by: The arch rib mounted adjustable temporary oblique support system comprises a steel base plate, a telescopic rod device and an enlarged end plate; the steel base plate is fixed to the bridge deck by screws, and the bottom end of the telescopic sleeve rod of the telescopic rod device is fixed to the steel base plate; the piston rod of the telescopic rod device is connected to the telescopic sleeve rod, and the telescopic control is performed through a telescopic control switch at the connection; the enlarged end plate is mounted on the steel box through the end plate fixing ribs.

3. The construction system of the steel box decorative arch landscape bridge with variable height of ribbon deformation according to claim 1 is characterized by: The bottom of the steel plate box of the auxiliary support system for installing the arch foot of the side span cap beam is fixed to the pier by screws; the positioning of the steel plate box is also provided with a second standardized clamping plate; the clamping and positioning of the steel box is achieved by the second standardized clamping plate; the steel box is installed and welded and fixed in the steel plate box, and concrete is poured, and the second standardized clamping plate is made according to the shape of the top of the steel plate box.

4. The construction system of the steel box decorative arch landscape bridge with variable height of ribbon deformation according to claim 1 is characterized by: The auxiliary support system for installing the arch foot of the mid-span cap beam also includes a standardized card plate and screws; the bottom of the steel plate box two is fixed to the pier by screws, and the side is connected and fixed by arranging two embedded bars in the cap beam. The steel boxes on both sides are installed and welded and fixed in the steel plate box two at the same time, and concrete is poured. The standardized card plate is made according to the top of the steel plate box two and the shape of the steel box, and is welded and fixed to the top of the steel plate box two to seal and fix it.

5. The construction system of the steel box decorative arch landscape bridge with variable height of ribbon deformation according to claim 1 is characterized by: The operating platform of the sidewalk longitudinal beam arch rib hanger installation system is suspended by steel ropes, and the bottom is fixed by fixing bolts.

6. The construction system of the steel box decorative arch landscape bridge with variable height of ribbon deformation according to claim 1 is characterized by: The steel trusses also include transverse steel trusses and longitudinal steel trusses; the two are staggered and overlapped, and fixed to the bottom of the sidewalk by fixing bolts.

7. A construction method for a streamer-deformable height steel box decorative arched landscape bridge, based on the streamer-deformable height steel box decorative arched landscape bridge construction system according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1. Construction preparation: According to the construction requirements, the construction machinery and tools are inspected before construction to ensure their normal use, the materials required for construction are prepared, technical explanations are given to relevant technical personnel, and the construction machinery is gradually brought into the site; S2. Standardized tire frame assembly: the universal wheel is fixedly installed on the lower part of the tire frame bottom plate through the universal wheel fixing frame, which is convenient for the tire frame to move. The tire frame bottom plate is divided into tire frame A bottom plate, tire frame B bottom plate and tire frame C bottom plate. The tire frame A bottom plate and the tire frame C bottom plate are provided with a card slot at the connection with the tire frame B bottom plate. The two ends of the tire frame B bottom plate are welded with clamping ribs, which can be clamped into the card slot for fixing. The tire frame side plates include tire frame A side plates, tire frame B side plates and tire frame C side plates. Threaded holes are opened at designated positions on the tire frame side plates. The threaded positioning ribs are installed in the threaded holes and can be rotatably controlled. The fixed base is welded to the tire frame bottom plate, and the bracket with holes is welded to the fixed base. The bracket is provided with a screw hole. The tightening screw can be inserted into the screw hole and rotated to tighten the steel box. The tightening device is used to tighten the steel box on the tire frame to facilitate the welding of the steel box. S3, steel box assembly: The steel box is transported to the site by a crane, placed on the tire frame bottom plate, fixed by a tightening device and threaded positioning ribs, and then welded; S4. Steel box hoisting: After the steel box is assembled, it is hoisted and placed with a truck crane; S5. Construction of auxiliary support system for the installation of arch foot consolidation of side span and middle span cap beams: The bottom of the steel plate box is fixed to the pier by screws, and the side is connected and fixed by setting embedded reinforcement bars in the cap beam. The steel box is installed and welded into the steel plate box, and concrete is poured. The second shaped card plate is made according to the shape of the top of the steel plate box and welded to the top of the steel plate box. S6. Construction of adjustable temporary oblique support system for arch rib installation: The bottom end of the telescopic sleeve rod is fixed on the steel bottom plate, the telescopic rod is connected to the telescopic sleeve rod, and the telescopic control switch at the connection is used for telescopic control. The expanded end plate is installed on the steel box through the end plate fixing ribs to increase the contact surface between the telescopic rod and the steel box and make the support more stable. S7. Sidewalk longitudinal beam arch rib hanger installation system: The concrete platform is erected on the steel box bridge body, the steel plate cushion is installed on the concrete platform, the embedded casing is set at the hanger installation location, the rubber pad is fixed to the bottom of the sidewalk to play a shock-absorbing and buffering role, the steel truss is fixed to the sidewalk by fixing bolts, the steel rope passes through the holes on the steel box bridge body and the sidewalk, and is fixed up and down by fixing bolts, the operating platform is suspended by steel ropes, and the bottom is firmly fixed with fixing bolts, which is convenient for construction workers to carry out tensioning work on it; S8, suspender tensioning construction: construction workers install tensioning equipment on the operating platform and tension through jacks; S9. Protection treatment: After the construction of the boom is completed, anti-corrosion grease is put into the embedded casing and epoxy mortar is applied to both ends to protect the boom and increase its service life; S10. Remove temporary supports and complete construction: After the steel box is firmly installed and the hanger is tensioned, remove the temporary supports, clean up the construction site, and complete the construction.

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