Movable construction platform for mounting bridge tower sections

Abstract

The invention provides a movable construction platform for bridge tower segment installation, and relates to the technical field of bridge tower construction.The movable construction platform for bridge tower segment installation comprises a construction platform body, a lifting auxiliary butt joint platform and a construction hoister, the construction platform body is detachably and sequentially arranged at the position below a top segment opening of each segment, and the construction hoister is arranged on the construction platform body; the lifting auxiliary butt joint platform is connected with the construction platform through a crawling ladder, the height of the lifting auxiliary butt joint platform is smaller than that of the construction platform, and the lifting auxiliary butt joint platform is connected with the construction platform in the vertical direction and can ascend and descend along the sections in the vertical direction. The arrangement heights of the construction hoists are sequentially increased, and the construction hoists correspond to the lifting auxiliary butt joint platforms. According to the invention, the number of the construction operation platforms can be reduced, and the operation safety and the operation flexibility can be ensured at the same time.

Description

Technical Field

[0001] The invention relates to the technical field of bridge tower construction, and in particular to a movable construction platform for installing bridge tower segments. Background Art

[0002] Bridge towers are the main load-bearing structures of cable-stayed bridges and suspension bridges. The more commonly used type of bridge tower is concrete bridge tower. Steel-shell concrete bridge towers include tower columns, which are composed of several steel-shell concrete segments vertically spliced ​​together. The steel-shell concrete segments include steel shells (segments) and concrete inside the steel shells (segments).

[0003] In the related art, due to the heavy weight of the steel shell (segment) and the high installation height, it is usually manufactured in sections in the factory and then transported to the site. Then it is hoisted to the pier for welding using a tower crane. The welding weld position belongs to ultra-high altitude operation. If a conventional welding platform is selected, a construction platform needs to be set up at each docking interface, which requires a large investment and is difficult and dangerous to dismantle at high altitude in the later stage. In addition, since construction personnel may need to switch between each platform, the construction is not convenient and lacks operational flexibility. Summary of the invention

[0004] The problem to be solved by the present invention is: in the related art, the welding platform of the bridge tower needs to set up a construction platform for each docking interface of the steel shell, which requires a large investment and is difficult and dangerous to dismantle at high altitude in the later stage. The construction is not convenient and flexible enough.

[0005] To solve the above problems, the present invention provides a movable construction platform for installing bridge tower segments, which is used for the construction of fixed multiple segments in the vertical direction. The movable construction platform for installing bridge tower segments includes a construction platform, a lifting auxiliary docking platform and a construction elevator. The construction platform is configured to be detachably arranged at a position below the upper port of each segment, and is used to lift and lower along the segment in the vertical direction. The lifting auxiliary docking platform is connected to the construction platform by a ladder and the height of the lifting auxiliary docking platform is lower than the height of the construction platform. Along the vertical direction, the arrangement height of the construction elevator increases sequentially and is arranged corresponding to the lifting auxiliary docking platform.

[0006] Optionally, the construction platform includes a construction table top, a leg assembly and a telescopic connection piece, the construction table top is arranged along the circumference of the segment, the leg assembly is fixedly connected to the construction table top and slidingly cooperates with the side wall of the segment, and the telescopic connection piece is provided with at least two sets, each set of the telescopic connection piece corresponds to a section of the segment, each set of the telescopic connection piece is used to connect the corresponding segment and the construction table top, and the telescopic connection piece is used to suspend the construction table top at a position below the upper port of each segment.

[0007] Optionally, one end of the telescopic connector is used to connect to the top of the segment, and the other end is used to connect to the construction table top. In at least two sets of the telescopic connectors, when the connection between the telescopic connector corresponding to the segment of the current section and the construction table top is disconnected, the telescopic connector corresponding to the segment of the next section connects the segment of the next section with the construction table top. When the segment of the current section and the segment of the next section are superimposed, the segment of the next section is located above the current segment and adjacent to the current segment.

[0008] Optionally, the leg assembly includes a bracket and a roller, the bracket is fixedly connected to the construction table, and the roller is installed on the bracket and abuts against the side wall of the segment.

[0009] Optionally, the leg assemblies are provided in multiple groups and are symmetrically distributed along the axis of the segment, a gap is provided between the leg assemblies on at least one side and the side wall of the segment, and a tensioning member is also installed on the bracket, and the tensioning member is used to abut against the segment.

[0010] Optionally, the ladder includes multiple vertically arranged fixed connectors, a step is fixed between at least two of the fixed connectors, the multiple fixed connectors form a cage shape, the lifting auxiliary docking platform is arranged at the bottom end of the fixed connector, and the top end of the fixed connector is fixed to the construction platform.

[0011] Optionally, the segment is provided with a first corner, the construction platform is provided with a matching second corner, and a plurality of the fixed connectors are arranged along the second corner of the construction platform.

[0012] Optionally, a lifting auxiliary fixing component is provided on the construction table, and the lifting auxiliary fixing component is used to fix the fixed connecting piece. The lifting auxiliary fixing component includes a first frame and a second frame. The first frame is multiple and arranged in parallel. The multiple first frames are fixed by the second frames to form a first frame. The first frame is folded and arranged along the second corner. The top ends of the multiple fixed connecting pieces are fixed in pairs to form a second frame. The second frame is adapted to the shape of the first frame and the two are fixedly connected to each other.

[0013] Optionally, the construction hoist is an elevator, the elevator car passage is used for the number of sections to increase with the installation of each segment, and the elevator car passage of each section is also used to be installed after one segment, and the construction hoist is connected to the segment by a lifting attachment auxiliary part.

[0014] The construction table is also provided with a tower crane attachment working platform.

[0015] The beneficial effect of the movable construction platform installed on the bridge tower segment of the present invention is that the construction platform can be detachably arranged in sequence at the position below the top segment mouth of each segment (this distance is generally less than the height of a normal person), and can be raised and lowered along the segment in the vertical direction. Each time after the upper segment and the lower segment are hoisted and aligned, the joint of the segment mouth of the lower segment and the upper segment can be welded based on the construction platform. After the welding is completed, the next segment is hoisted. At this time, the construction platform and the lower segment are disassembled, and the upper segment and the construction platform are fixed. Then, the construction platform is raised along the segment, and after reaching the corresponding position of the upper segment (the position below the top segment mouth of the segment), the welding is continued. Therefore, for the welding of the welds of multiple segments, only one platform (construction platform) is needed to complete it, which reduces the number of construction platforms and avoids their frequent dismantling at high altitudes. At the same time, the movable construction platform can also be reversed It is lowered to the ground for dismantling, and further, the lifting auxiliary docking platform is connected to the construction platform through a ladder, which makes it convenient for construction workers to go from the construction platform through the ladder, the lifting auxiliary docking platform, and then to the construction trestle through the construction elevator. Of course, it is also possible to reach the construction platform in the opposite direction from the construction trestle. The layout height of the construction elevator increases successively and is set corresponding to the lifting auxiliary docking platform. The layout height of the construction elevator changes with the height of the construction platform, so that construction workers can reach the construction trestle from the construction platform corresponding to any segment, which can improve the flexibility of the operation and provide a rest for long-term high-altitude operations. The height of the lifting auxiliary docking platform is lower than the height of the construction platform. Since the construction elevator is set along with the lifting auxiliary docking platform, the height of the construction elevator is always lower than the height of the construction platform. It can be seen that the setting of the construction elevator will not affect the welding and fixing of the segments and the lifting operations, thereby improving the safety of the construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic cross-sectional view of a steel shell in an embodiment of the present invention is shown;

[0017] Figure 2 The schematic diagram shows the completion of the welding of bridge tower segments through the tower crane, lifting platform and construction platform;

[0018] Figure 3 Shows Figure 2 The enlarged schematic diagram of point A in the middle;

[0019] Figure 4 Shows Figure 2 Schematic diagram of the structure in the middle BB direction;

[0020] Figure 5 A schematic structural diagram of a construction platform working on a single bridge tower segment in an embodiment of the present invention is shown;

[0021] Figure 6 Shows Figure 5 Schematic diagram of the structure in the EE direction;

[0022] Figure 7 Shows Figure 5 Schematic diagram of the structure in the middle FF direction;

[0023] Figure 8 A schematic diagram showing the structure of the telescopic connector connected to the first lifting lug and the second lifting lug;

[0024] Fig. 9 A schematic diagram of a structure in which there is no gap between the leg assembly and the segments in an embodiment of the present invention is shown;

[0025] Fig.10 It shows a schematic structural diagram of a leg assembly and a segment provided with a gap in an embodiment of the present invention;

[0026] Fig.11 A schematic structural diagram of a construction platform working on multiple bridge tower segments in an embodiment of the present invention is shown;

[0027] Fig.12 Shows Fig.11 Schematic diagram of the structure in the middle DD direction;

[0028] Fig.13 It shows a schematic diagram of the structure of a tower crane attached working platform in an embodiment of the present invention;

[0029] Fig.14 A schematic structural diagram of a construction platform and a steel shell in an embodiment of the present invention is shown.

[0030] Description of reference numerals:

[0031] 1. Bridge tower; 2. Segment; 3. Construction elevator; 4. Tower crane; 5. Construction platform; 6. Top crossbeam; 7. Adjustable cross brace; 8. Construction table; 9. Leg assembly; 91. Bracket; 92. Roller; 10. Telescopic connector; 11. Fixed connector; 12. Lifting auxiliary docking platform; 13. Tower crane attachment work platform; 14. Tensioner; 15. Tower crane attachment auxiliary part; 16. Ladder; 17. Lifting attachment auxiliary part; 18. Lifting auxiliary fixing assembly; 19. First frame; 20. Second frame; 21. First lifting lug; 22. Second lifting lug; 23. Construction trestle. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0033] The Z axis in the drawings represents the vertical direction, that is, the up and down position, and the positive direction of the Z axis represents the top, and the reverse direction of the Z axis represents the bottom; the X axis in the drawings represents the horizontal direction, and is designated as the front and back position, and the positive direction of the X axis represents the front side, and the reverse direction of the X axis represents the back side; the Y axis in the drawings represents the left and right position, and the positive direction of the Y axis represents the left side, and the reverse direction of the Y axis represents the right side. It should also be noted that the aforementioned Z axis, Y axis, and X axis are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] In the description of this specification, the description with reference to the terms "embodiment", "one embodiment" and "one implementation" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or implementation are included in at least one embodiment or implementation of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or implementation. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or implementations in a suitable manner.

[0035] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Fig.12 As shown, an embodiment of the present invention proposes a movable construction platform for installing a bridge tower segment, which is used for the construction of fixed multiple segments 2 in the vertical direction. The movable construction platform for installing a bridge tower segment includes a construction platform 5, a lifting auxiliary docking platform 12 and a construction elevator 3. The construction platform 5 is configured to be detachably arranged at a position below the upper port of each segment 2, and is used to lift and lower along the segment 2 in the vertical direction. The lifting auxiliary docking platform 12 is connected to the construction platform 5 by a ladder 16 and the height of the lifting auxiliary docking platform 12 is lower than the height of the construction platform 5. Along the vertical direction, the arrangement height of the construction elevator 3 increases sequentially and is arranged corresponding to the lifting auxiliary docking platform 12.

[0036] In a certain project, the bridge tower is more than 100 meters high and is divided into 20 sections. Each section weighs more than 80 tons. The entire bridge weighs more than 1,000 tons. It is necessary to stack the sections vertically one by one to form the tower column. The stacking between the sections is done by Figure 2 The tower crane 4 shown in the figure is used for completion, and the bridge tower 1, the tower crane 4, etc. are all completed based on the construction trestle 23 at the bottom, and the construction trestle 23 serves as the bottommost working foundation.

[0037] Exemplarily, the construction platform 5 can be an inner construction platform, that is, it is arranged inside the segment 2, and the inner construction platform is used to weld the inner weld of the bridge tower; it can also be an outer construction platform, that is, it is arranged outside the segment 2, and the outer construction platform is used to weld the inner weld of the bridge tower. Of course, it can also be a combined inner and outer construction platform to complete the welding of the segments 2 stacked vertically one by one, so as to form a tower column. Through the setting of the construction platform 5, after the upper segment 2 and the lower segment 2 are hoisted and aligned, the segmented joints of the lower segment 2 and the upper segment 2 can be welded based on the construction platform 5. After the welding is completed, the next segment 2 is hoisted (placed on the upper segment 2, and so on). At this time, the construction platform 5 and The lower segment 2 is disassembled, and the upper segment 2 is fixed to the construction platform 5 (the connection between the construction platform 5 and the corresponding segment 2 can be achieved by, for example, a retractable pulley wire rope group), and then the construction platform 5 is raised along the segment 2 to reach the corresponding position of the upper segment 2 (the position below the top segment opening of the segment 2), and then the welding is continued. In consideration of the need for personnel or welding equipment to go up and down (especially construction personnel) during the construction process, a lifting auxiliary docking platform 12 is set up. Personnel can go down from the construction platform 5 via the ladder 16 and enter the construction elevator 3, and then enter the construction trestle 23 through the construction elevator 3. Of course, they can also enter the construction platform 5 from the construction trestle 23 in the opposite direction.

[0038] When the present embodiment is used, the construction platform 5 is detachably arranged in sequence at the position below the top segment opening of each of the segments 2 (this distance is generally less than the height of a normal person), and can be raised and lowered along the segments 2 in the vertical direction. Each time the upper segment 2 and the lower segment 2 are hoisted and aligned, the segment opening joint of the lower segment 2 and the upper segment 2 can be welded based on the construction platform 5. After the welding is completed, the next segment 2 is hoisted. At this time, the construction platform 5 and the lower segment 2 are disassembled, and the upper segment 2 and the construction platform 5 are fixed. Then, the construction platform 5 is raised along the segment 2 to the corresponding position of the upper segment 2 (the position below the top segment opening of the segment 2), and the welding is continued. Therefore, for the welding of the welds of multiple segments 2, only one platform (construction platform 5) is needed to complete it, which reduces the number of construction platforms and avoids their frequent dismantling at high altitudes. At the same time, the movable construction platform 5 can also be lowered to the ground for dismantling. Furthermore, The lifting auxiliary docking platform 12 is connected to the construction platform 5 through the ladder 16, which makes it convenient for construction workers to go from the construction platform 5 to the construction trestle 23 through the construction elevator 3. Of course, they can also reach the construction platform 5 from the construction trestle 23 in the opposite direction. The layout height of the construction elevator 3 increases successively and is set corresponding to the lifting auxiliary docking platform 12. The layout height of the construction elevator 3 changes with the height of the construction platform 5. The construction workers can reach the construction trestle 23 from the construction platform 5 corresponding to any segment 2, which can improve the flexibility of the operation and provide a rest for long-term high-altitude operations. The height of the lifting auxiliary docking platform 12 is lower than the height of the construction platform 5. Since the construction elevator 3 is set along with the lifting auxiliary docking platform 12, the height of the construction elevator 3 is always lower than the height of the construction platform 5. It can be seen that the setting of the construction elevator 3 will not affect the welding, fixation and lifting operations of the segment 2, thereby improving the safety of the construction.

[0039] like Figure 1 , Figure 4 and Fig.11 As shown, as an optional embodiment of the present invention, the construction platform 5 includes a construction table top 8, a leg assembly 9 and a telescopic connection member 10, the construction table top 8 is arranged circumferentially along the segment 2, the leg assembly 9 is fixedly connected to the construction table top 8 and slidably cooperates with the side wall of the segment 2, and the telescopic connection member 10 is provided with at least two sets, each set of the telescopic connection member 10 corresponds to a section of the segment 2, each set of the telescopic connection member 10 is used to connect the corresponding segment 2 and the construction table top 8, and the telescopic connection member 10 is used to suspend the construction table top 8 at a position below the upper port of each segment 2.

[0040] Specifically, the construction platform 8 is arranged along the circumference of the segment 2. Figure 1 Only the outer platforms are shown. Figure 4 The inner and outer platforms are shown in the figure. The settings of the inner and outer platforms are similar. The construction platform 8 is welded by No. 5 channel steel and No. 12.6 channel steel of the lifting auxiliary docking platform. The construction platform 8 is plate-shaped. The No. 12.6 channel steel of the lifting auxiliary docking platform constitutes its plate-shaped structure (right-angle frame), and the No. 5 channel steel constitutes an oblique support (the oblique support is tightened to the bridge tower by its own weight without welding), forming a stable structure of the construction platform 8. The leg assembly 9 is arranged at the bottom of the construction platform 8 and slides with the outer wall of the segment 2, so that it can move along the outer wall of the segment 2, and this sliding can provide friction, so that the construction platform 5 can be raised as a whole by shortening the telescopic connector 10.

[0041] The telescopic connection member 10 can be a chain hoist, which is a lifting tool widely used in the industrial and construction fields, mainly used for lifting and moving heavy objects. The chain hoist can be operated manually or electrically, and is suitable for different working environments. The manual version is suitable for places where electricity cannot reach, while the electric version can complete the lifting task more quickly and efficiently. The purpose of setting two sets of telescopic connections 10 (each set of telescopic connections 10 is provided with multiple links) is that after completing the welding between the segment 2 of the current segment and the segment 2 above it, the other set of telescopic connections 10 can be suspended on the segment 2 above it (the other set of telescopic connections 10 can be lifted and lowered). The construction platform 8 is hung in front of the construction platform 8), at this time, the bottom of the other set of telescopic connectors 10 is connected to the second lifting ear 22 on the construction platform 8, and the other set of telescopic connectors 10 is tightened, so that the other set of telescopic connectors 10 forms a force on the construction platform 8, and then the other set of telescopic connectors 10 is manually pulled in to shorten it, so that the construction platform 8 rises along the segment 2 to reach the position below the top segment opening of the segment 2 above it. At this time, the personnel and the construction platform 8 are regarded as a whole and rise, and the construction platform 8 can be moved along the segment 2 by the rollers 92 and can rise. The installation is convenient and simple, and it is easy to operate.

[0042] like Figure 2 As shown, the bridge towers 1 are arranged in pairs, and the two bridge towers 1 are laterally connected by a permanent structure, namely, a top crossbeam 6, and an adjustable cross brace 7 is also arranged in the process of fixing the segment 2. The function of the adjustable cross brace 7 is to adjust the relative distance between the bridge towers 1 on both sides by a jack before installing the permanent structure (top crossbeam 6), and then install the permanent structure.

[0043] like Figure 5 and Figure 8As shown, as an optional embodiment of the present invention, one end of the telescopic connector 10 is used to connect with the top of the segment 2, and the other end is used to connect with the construction platform 8. In at least two sets of telescopic connectors 10, when the connection between the telescopic connector 10 corresponding to the segment 2 of the current segment and the construction platform 8 is disconnected, the telescopic connector 10 corresponding to the segment 2 of the next segment connects the segment 2 of the next segment with the construction platform 8. When the segment 2 of the current segment and the segment 2 of the next segment are superimposed and arranged, the segment 2 of the next segment is located above the current segment 2 and adjacent to the current segment 2. The segment 2 of the next segment is located above the current segment, and is continuously superimposed and fixed to form a bridge tower 1.

[0044] Specifically, the top position of the segment 2, that is, the part below the top segment opening, is provided with a first lifting lug 21, and a second lifting lug 22 is provided on the construction platform 8. The first lifting lug 21 and the second lifting lug 22 are connected by a telescopic connector 10. Specifically, after the welding between the segment 2 of the current segment and the segment 2 above it is completed, another set of telescopic connectors 10 suspended on the segment 2 above it (the other set of telescopic connectors 10 can be suspended before the segment 2 rises or when the construction platform 8 is raised), at this time, the bottom of the other set of telescopic connectors 10 is connected to the second lifting lug 22 on the construction platform 8, and the other set of telescopic connectors 10 is tightened, so that the other set of telescopic connectors 10 actually suspends the construction platform 8, and then the other set of telescopic connectors 10 is extended and shortened, so that the construction platform 8 rises along the segment 2 to reach the position below the top segment opening of the segment 2 above it, so as to hoist the new segment 2 and weld it. When descending along the tower column 1, the reverse operation can be performed, except that the welding step is omitted.

[0045] like Fig.10 As shown, as an optional embodiment of the present invention, the leg assembly 9 includes a bracket 91 and a roller 92, the bracket 91 is fixedly connected to the construction table 8, and the roller 92 is installed on the bracket 91 and abuts against the side wall of the segment 2.

[0046] In this optional embodiment, the bracket 91 forms a right-angled triangle structure, wherein the right-angled side is fixed to the bottom of the construction table 8, and the other right-angled side is opposite to the side wall of the segment 2, and a roller 92 is installed thereon. The hypotenuse transmits the pressure from the construction table 8, and the roller 92 abuts against the side wall of the segment 2. The segment 2 has a supporting force on the leg assembly 9, so that sliding can be changed to rolling, thereby reducing friction. In practice, the leg assembly 9 can be designed in size and the roller 92 is set as an elastic wheel, so that the leg assembly 9 can press the side wall of the segment 2 to maintain the stability of the construction table 8 in a suspended state. Of course, if necessary, a wedge can be set between the roller 92 and the segment 2 to adjust the gap.

[0047] like Fig. 9 , Fig.10 and Fig.11 As shown, considering the uneven side wall of the segment 2, as an optional embodiment of the present invention, the leg assembly 9 is provided with multiple groups and symmetrically distributed along the axis of the segment 2, and a gap is provided between the leg assembly 9 on at least one side and the side wall of the segment 2, and a tensioning member 14 is also installed on the bracket 91, and the tensioning member 14 is used to abut against the segment 2. The number of tensioning members 14 can be set as needed.

[0048] Specifically, when the leg assemblies 9 are arranged in multiple groups, Figure 1 The middle square edges are symmetrically arranged in two pairs. At this time, the leg assembly 9 is arranged so that one side does not need to be provided with a tensioning member 14 (such as a tensioning bolt), and the opposite side is provided with a tensioning member 14. Subsequently, even if there is a gap between the leg assemblies 9 on both sides and the outer wall of the segment 2, it is only necessary to tighten it through the tensioning member 14 set on one side (the construction platform 5 is laterally displaced along the segment 2). This ensures that the roller 92 on one side is in close contact with the segment 2. Although there is a gap on the opposite side, it can be welded to the leg assembly 9 through nuts and reinforcement plates. Before the construction platform 5 is lifted, a hole is cut in the construction table 8, and the tensioning member 14 is manually loosened before the construction table 8 is lifted. After the construction table 8 is lifted into place, the tensioning member 14 is tightened to tighten the construction table 8 against the outer wall of the segment 2. Fig.10 On the other side, a 5 mm gap is reserved between the tower crane attachment work platform 13 on the leg assembly 9 and the segment 2 ( Fig.10 In the figure, d is used to indicate the position of the construction platform 5, which is generally used to prevent the construction platform 5 from getting stuck due to the uneven outer wall of the segment 2 during the upward lifting process, and to ensure the smooth lifting of the construction platform 5. Fig.11 On the four square edges, for example, there is a gap between the left leg assembly 9 and the segment 2, and there is no gap on the right side (no gap such as Fig. 9 As shown in the figure, if there is a gap on the upper side, there is no gap on the lower side. If there is a gap, the tensioner 14 needs to be screwed inward so that the tensioner 14 directly abuts against the side wall of the segment 2. The fixed connection member 11 is generally configured to connect the channel steel. A guardrail is also provided on the construction platform 5, and a fireproof cloth is densely covered around the guardrail to prevent sparks from flying out of the platform during welding operations.

[0049] like Figure 5 , Figure 6 , Figure 7 and Fig.11As shown, as an optional embodiment of the present invention, the ladder 16 includes a plurality of vertically arranged fixed connectors 11, a step is fixed between at least two of the fixed connectors 11, and the plurality of fixed connectors 11 form a cage shape. The lifting auxiliary docking platform 12 is arranged at the bottom end of the fixed connector 11, and the top end of the fixed connector 11 is fixed to the construction platform 5.

[0050] Specifically, the fixed connection member 11 is configured as a channel steel, which can be Figure 6 and Figure 7 Its shape can be seen from the cross-section in the figure, and there are multiple fixed connecting members 11, at least two of the multiple fixed connecting members 11 are provided with step rollers, so that the ladder 16 is formed, and the multiple fixed connecting members 11 can be surrounded into a cage shape (semi-enclosed, capable of semi-enclosing the ladder 16), that is, when people go up or down the ladder 16, they can be enclosed in a relatively safe environment, thereby ensuring the walking safety on the ladder 16.

[0051] like Figure 6 As shown, as an optional embodiment of the present invention, the segment 2 is provided with a first corner, the construction platform 8 is provided with a matching second corner, and a plurality of the fixed connectors 11 are arranged along the second corner of the construction platform 5 .

[0052] Specifically, if the tower column has a corner, then the segment 2 also has a corner. Therefore, if the construction platform 8 is arranged along the segment 2 inside or outside the segment 2, it also has a corner. If the multiple fixed connectors 11 are arranged along the corner, the platform formed by the lifting auxiliary docking platform 12 can be a U-shaped part on the left and an oblique U-shaped part on the right. This not only widens the area of ​​the platform, but also allows the platform to be clamped along the corner, reduces the swing amplitude, and improves the stability of the lifting auxiliary docking platform 12.

[0053] like Figure 6 and Figure 7 As shown, as an optional embodiment of the present invention, a lifting auxiliary fixing component 18 is provided on the construction table 8, and the lifting auxiliary fixing component 18 is used to fix the fixed connecting member 11. The lifting auxiliary fixing component 18 includes a first frame 19 and a second frame 20. The first frame 19 is a plurality of parallelly arranged first frames 19, and the plurality of first frames 19 are fixed by the second frames 20 to form a first frame. The first frame 19 is folded and arranged along the second corner. The top ends of the plurality of fixed connecting members 11 are fixed in pairs to form a second frame. The second frame is adapted to the shape of the first frame and the two are fixedly connected to each other.

[0054] Specifically, the first frame structure is arranged on the side of the construction platform 8, and the leg assembly 9 includes an inner first frame 19 and an outer first frame 19, and the first frames 19 are spaced apart and connected by a second frame 20, and the first frame 19 is folded to match the second corner of the construction platform 8 to achieve a close-fitting fixation. In addition, the first frame is arranged at the corner to form a certain degree of card connection with the frame, which can reduce the degree of shaking. In addition, the top end of the fixed connector 11 is fixed to the second frame, and the second frame can be Figure 7 The straight part on the left and the inclined part on the right (the left side is in the shape of a U and the right side is in the shape of a trapezoid), accordingly, the first frame is arranged outside the second frame, the two are almost fixed in a fitting manner, and an entrance and exit can be provided in the straight part, thereby realizing a tight fixation of the fixed connection part 11 and the construction table 8, that is, ensuring the stability of the ladder 16 and the lifting auxiliary docking platform 12, so that personnel can stably enter the construction table 8 from the construction elevator 3.

[0055] like Figure 2 and Figure 3 , Figure 5 and Fig.11 As shown, as an optional embodiment of the present invention, the construction hoist 3 is an elevator, and the elevator car channel is used for the number of sections to increase gradually with the installation of each segment 2, and the elevator car channel of each section is also used to lag behind the segment 2 for installation, and the construction hoist 3 is connected to the segment 2 by a lifting attachment auxiliary part 17.

[0056] Specifically, when the construction hoist 3 is an elevator, the elevator's car passage and the outer frame of the car form a whole, which are assembled section by section from the bottom construction trestle 23 to the upper side to reach the desired height. The number of sections increases gradually with the installation of each section of the segment 2, that is, after installing a section of segment 2, it is necessary to install a section of the car of the construction hoist 3 (the installation of the elevator can be completed by the elevator party). It should be noted that the elevator is installed as the bridge tower 1 is extended, but the elevator exit is always below the construction platform 8. Since there is a horizontal lifting attachment auxiliary part 17 between the elevator and the segment 2, the construction platform 5 needs to avoid the lifting attachment auxiliary part 17 during the rising process. Therefore, the elevator's car passage is always installed one section behind the segment 2, that is, first install the segment 2 of the tower column, and then install the next section of the elevator's car passage. The lagging section here is installed first. For the cars and segments 2 corresponding to the same height in the horizontal direction, while ensuring the stability of the construction elevator 3, it will not affect the upward movement of the construction platform 5 to construct the segment 2. It should be noted that the lifting attachment auxiliary part 17 is not available in every car. The two adjacent ladders 16 have a preset spacing, and the spacing between the construction platform 8 and the lifting auxiliary docking platform 12 (that is, the length of the ladder 16) is determined by lofting. The minimum length is determined by simulation. The elevator is installed normally according to the segment. The elevator can reach the position of the lifting auxiliary docking platform 12 without rushing to the top, so as to ensure that at the minimum length, the elevator can reach the lifting auxiliary docking platform 12 after reaching the highest height, which is convenient for people to go up and down (that is, complete the route of the construction platform 8, ladder 16, lifting auxiliary docking platform 12, elevator, and construction trestle 23).

[0057] like Fig.13 and Fig.14 As shown, as an optional embodiment of the present invention, the construction platform 8 is also provided with a tower crane attached working platform 13.

[0058] Specifically, the tower crane attachment work platform 13 is composed of a frame of vertical bars and horizontal bars led down from the construction table 8, and a platform is set at the bottom, and then a plate is laid to form an external work construction platform. The external work construction platform is used for workers to fix the tower crane 4 and the segment 2 through attachments after they come down from the construction table 8. For the part attached to the segment 2, a number of tower crane attachment auxiliary parts 15 (such as lifting ears) are set on the segment 2, and the attachment parts (such as horizontal plates) are brought onto the tower crane 4. It only needs to weld the end close to the segment 2 to the construction platform 5, thereby ensuring the stability of the tower crane 4 and also ensuring the safety of the tower crane 4 during the construction process.

[0059] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features invented herein.

[0060] Although the present invention is disclosed as above, the protection scope of the present invention is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications will fall within the protection scope of the present invention.

Claims

1. A movable construction platform for installing a bridge tower segment, characterized in that: Used for the construction of multiple fixed segments (2) in the vertical direction, the movable construction platform installed on the bridge tower segment includes a construction platform (5), a lifting auxiliary docking platform (12) and a construction elevator (3), the construction platform (5) is configured to be detachably arranged at a position below the upper port of each segment (2), and is used to be lifted and lowered along the segment (2) in the vertical direction, the lifting auxiliary docking platform (12) is connected to the construction platform (5) through a ladder (16) and the height of the lifting auxiliary docking platform (12) is lower than the height of the construction platform (5), and along the vertical direction, the arrangement height of the construction elevator (3) increases sequentially and is arranged corresponding to the lifting auxiliary docking platform (12).

2. The movable construction platform for installing a bridge tower segment according to claim 1 is characterized in that: The construction platform (5) comprises a construction table (8), a leg assembly (9) and a telescopic connection piece (10); the construction table (8) is arranged along the circumference of the segment (2); the leg assembly (9) is fixedly connected to the construction table (8) and slidably cooperates with the side wall of the segment (2); at least two sets of the telescopic connection piece (10) are provided, each set of the telescopic connection piece (10) corresponds to a segment (2), each set of the telescopic connection piece (10) is used to connect the corresponding segment (2) and the construction table (8); the telescopic connection piece (10) is used to suspend the construction table (8) at a position below the upper port of each segment (2).

3. The movable construction platform for installing a bridge tower segment according to claim 2 is characterized in that: One end of the telescopic connector (10) is used to connect to the top of the segment (2), and the other end is used to connect to the construction platform (8). In at least two sets of the telescopic connectors (10), when the connection between the telescopic connector (10) corresponding to the segment (2) of the current section and the construction platform (8) is disconnected, the telescopic connector (10) corresponding to the segment (2) of the next section connects the segment (2) of the next section with the construction platform (8). When the segment (2) of the current section and the segment (2) of the next section are arranged in a stacked manner, the segment (2) of the next section is located above the current segment (2) and adjacent to the current segment (2).

4. The movable construction platform for installing a bridge tower segment according to claim 2 is characterized in that: The leg assembly (9) comprises a bracket (91) and a roller (92); the bracket (91) is fixedly connected to the construction table (8); and the roller (92) is mounted on the bracket (91) and abuts against the side wall of the segment (2).

5. The movable construction platform for installing a bridge tower segment according to claim 4 is characterized in that: The leg assemblies (9) are provided in multiple groups and are symmetrically distributed along the axis of the segment (2); a gap is provided between the leg assemblies (9) on at least one side and the side wall of the segment (2); and a tensioning member (14) is also installed on the bracket (91), and the tensioning member (14) is used to abut against the segment (2).

6. The movable construction platform for installing a bridge tower segment according to any one of claims 2 to 5, characterized in that: The ladder (16) comprises a plurality of vertically arranged fixed connectors (11), a step rod being fixed between at least two of the fixed connectors (11), the plurality of fixed connectors (11) forming a cage shape, the lifting auxiliary docking platform (12) being arranged at the bottom end of the fixed connector (11), and the top end of the fixed connector (11) being fixed to the construction platform (5).

7. The movable construction platform for installing a bridge tower segment according to claim 6 is characterized in that: The segment (2) is provided with a first corner, the construction platform (8) is provided with a corresponding second corner, and a plurality of the fixed connecting members (11) are arranged along the second corner of the construction platform (5).

8. The movable construction platform for installing a bridge tower segment according to claim 7 is characterized in that: The construction table (8) is provided with a lifting auxiliary fixing assembly (18), and the lifting auxiliary fixing assembly (18) is used to fix the fixed connecting member (11). The lifting auxiliary fixing assembly (18) comprises a first frame (19) and a second frame (20). The first frame (19) is a plurality of first frames (19) arranged in parallel, and the plurality of first frames (19) are fixed by the second frames (20) to form a first frame. The first frame (19) is folded and arranged along the second corner. The top ends of the plurality of fixed connecting members (11) are fixed in pairs to form a second frame. The second frame is adapted to the shape of the first frame and the two are fixedly connected to each other.

9. The movable construction platform for installing a bridge tower segment according to any one of claims 2 to 5, characterized in that: The construction hoist (3) is an elevator, the elevator car passage is used for increasing the number of sections as each section of the section (2) is installed, and the elevator car passage of each section is also used for being installed after one section of the section (2), and the construction hoist (3) is connected to the section (2) via a lifting attachment auxiliary part (17).

10. The movable construction platform for installing a bridge tower segment according to any one of claims 2 to 5, characterized in that: The construction platform (8) is also provided with a tower crane attachment work platform (13).

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