Steel arch sliding temporary inhaul cable mounting platform

Abstract

The utility model provides a temporary inhaul cable installation platform for steel arch sliding, and solves the technical problems that the measure quantity of a lower supporting structure needs to be increased and a lower structure needs to be reinforced when a temporary inhaul cable is installed in an existing steel arch structure sliding construction technology, and the on-site risk of rail gnawing caliper gauge is caused by horizontal deformation of a steel arch in the sliding process. The installation platform is provided with a supporting frame and further provided with a steel platform, and the steel platform is fixedly installed on the supporting frame. The steel platform is of an upper-layer structure and a lower-layer structure, the upper layer comprises a fixed table and a cantilever beam, the cantilever beam is connected with the fixed table, and one end of the cantilever beam extends out of the fixed table; the lower layer comprises a base plate; the fixing table is connected with the base plate, and the base plate is connected with the supporting frame. The method can be widely applied to the technical field of steel structure buildings.

Description

Technical Field

[0001] The present application relates to the technical field of steel structure buildings, and in particular to a steel arch sliding temporary cable installation platform. Background Art

[0002] During the sliding construction of the steel arch structure, due to the stress characteristics of the steel arch, a large horizontal reaction force will be generated at the arch foot, which will pose a certain safety hazard to the sliding track and sliding support structure at the construction site. Therefore, temporary cables need to be set up to balance the horizontal force of the steel arch.

[0003] The existing technology requires that the steel arch be assembled first, then slid forward a certain distance and then temporary cables be installed to avoid the lower supporting structure. This construction method will directly increase the amount of measures for the lower supporting structure and require reinforcement of the lower structure. In addition, there is a risk of horizontal deformation of the steel arch during the sliding process, which may cause the track gauge to gnaw on site. Summary of the Invention

[0004] The purpose of the utility model is to solve the deficiencies of the above-mentioned technology and provide a steel arch sliding temporary cable installation platform to achieve convenient installation of temporary cables and meet the requirements of steel arch structure sliding construction.

[0005] To this end, the utility model provides a steel arch sliding temporary cable installation platform, the installation platform is provided with a support frame and a steel platform, the steel platform is fixedly installed on the support frame; the steel platform is provided with an upper and lower two-layer structure, the upper layer includes a fixed platform and a cantilever beam, the cantilever beam is connected to the fixed platform, and one end of the cantilever beam extends out of the fixed platform; the lower layer includes a base plate; the fixed platform is connected to the base plate, and the base plate is connected to the support frame.

[0006] Preferably, the fixed platform includes several transverse platform beams and longitudinal platform beams, the transverse platform beams and the longitudinal platform beams are connected in an alternating manner, and the cantilever beams are connected to the longitudinal platform beams; the transverse platform beams, the longitudinal platform beams and the cantilever beams are respectively connected to the base plate through several supporting connectors.

[0007] Preferably, the transverse platform beams and the longitudinal platform beams are staggered and connected to form a field-shaped structure, and the cantilever beams are connected to the middle of the longitudinal platform beams located at the edges.

[0008] Preferably, a supporting connector is installed at the intersection of the transverse platform beam and the longitudinal platform beam.

[0009] Preferably, a plurality of supporting connectors are densely installed between the cantilever beam and the base plate.

[0010] Preferably, the steel platform is further provided with a support rod, the lower end of the support rod is connected to the support frame, and the upper end of the support rod is connected to the base plate position close to the cantilever beam.

[0011] Preferably, the support frame is a lattice steel frame.

[0012] Preferably, the support frame is provided with vertical columns, horizontal rods, and diagonal webs. There are four vertical columns arranged in a rectangular shape, and the tops of the vertical columns are connected to the base plate; the two ends of the horizontal rod are respectively connected to two adjacent vertical columns. There are multiple horizontal rods and they are spaced apart from top to bottom; two adjacent vertical columns and two adjacent horizontal rods form a rectangular structure, and the two ends of the diagonal web are respectively connected and arranged at a group of diagonals of the rectangular structure.

[0013] Preferably, connecting ear plates are also connected at the diagonals of the rectangular structure, and the connecting ear plates include a first connecting ear plate, a second connecting ear plate, and a third connecting ear plate. The first connecting ear plate is connected to the column, one end of the diagonal web is connected to the first connecting ear plate through the second connecting ear plate, and one end of the horizontal rod is connected to the first connecting ear plate through the third connecting ear plate.

[0014] Preferably, the top of the column is connected to the base plate through an upper base, and the bottom of the column is connected to a lower base.

[0015] The beneficial effects of the present invention are as follows: the present invention provides a steel arch sliding temporary cable installation platform, which plays a fixed supporting role for the steel arch during the installation process of the steel arch; at the same time, the cantilever beam is adopted, which is conducive to the installation of temporary cables under the steel arch. The temporary cable installation is completed during the installation process of the steel arch, thereby simplifying the on-site sliding process. There is no need to pause and then install the temporary cables after sliding a certain distance as in the prior art. The horizontal reaction force of the steel arch on the lower supporting structure can be effectively reduced, which is beneficial to the force of the lower supporting structure and simultaneously reduces the amount of support measures, with obvious economic benefits. In addition, since the above-mentioned horizontal reaction force is reduced, the lower civil engineering structure does not need to undergo additional verification and reinforcement treatment, which saves related costs and improves the economic benefits of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 It is a schematic structural diagram of a three-dimensional diagram of the present utility model;

[0018] Figure 2 It is a side schematic diagram of the utility model;

[0019] Figure 3 It is a structural schematic diagram of a three-dimensional view of the steel platform of the present invention;

[0020] Figure 4This is a schematic structural diagram of a top view of the steel platform of the present invention;

[0021] Figure 5 for Figure 2 A schematic structural diagram of the enlarged view of part A shown;

[0022] Figure 6 A three-dimensional axonometric diagram of a complete application installation of the utility model;

[0023] Figure 7 This is a structural diagram of a complete application installation top view of the utility model.

[0024] Markings in the figure: 1. Lower base, 2. Column, 3. Horizontal rod, 4. Diagonal web, 5. Transverse platform beam, 6. Longitudinal platform beam, 7. Cantilever beam, 8. Support rod, 9. First connecting ear plate, 10. Second connecting ear plate, 11. Temporary fixing rod, 12. Steel arch, 13. Temporary cable, 14. Cable connecting plate, 15. Support connector, 16. Upper base, 17. Third connecting ear plate, 18. Base plate, 19. Support frame, 20. Steel platform, 21. Fixed platform. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely for the purpose of explaining this application and are not intended to limit this application. The methods used in this utility model are conventional methods unless otherwise specified; the raw materials and devices used are conventional commercially available products unless otherwise specified.

[0026] See also Figure 1 、 Figure 2 The utility model provides a steel arch sliding temporary cable installation platform, the installation platform is provided with a support frame 19 and a steel platform 20, the steel platform 20 is fixedly installed on the support frame 19, and provides a construction installation platform for on-site construction; the steel platform 20 is set as an upper and lower two-layer structure, the upper layer includes a fixed platform 21 and a cantilever beam 7, the cantilever beam 7 is connected to the fixed platform 21, and one end of the cantilever beam 7 extends out of the fixed platform 21; the lower layer includes a base plate 18; the fixed platform 21 is connected to the base plate 18, and the base plate 18 is connected to the support frame 19.

[0027] See also Figure 6 、 Figure 7The construction workers set up a temporary cable 13 at the bottom of the steel arch 12, and connected the two ends of the temporary cable 13 to the two sides of the steel arch 12 through the cable connecting plate 14; fixed the installation platform of the utility model on one side of the middle of the steel arch 12, that is, the support frame 19 and the steel platform 20 are combined. At this time, the cantilever beam 7 of the steel platform 20 is set directly below the middle of the steel arch 12, and then used the temporary fixing rod 11. The lower end of the temporary fixing rod 11 is welded to the cantilever beam 7, and the upper end of the temporary fixing rod 11 is temporarily fixed to the bottom surface of the middle of the steel arch 12 by welding; the steel arch 12 is supported by the temporary fixing rod 11, and the temporary cable 13 at the bottom of the steel arch 12 is directly tensioned and pre-tightened at the installation position. The installation and tensioning of the temporary cable 13 can avoid the support frame 19, and the temporary cable 13 can be installed during the sliding process without pausing after sliding a certain distance.

[0028] The utility model provides a steel arch sliding temporary cable installation platform, which plays a fixed supporting role for the steel arch 12 during the installation process of the steel arch 12; at the same time, the cantilever beam 7 is adopted, which is conducive to the installation of the temporary cable 13 under the steel arch 12. The temporary cable 13 is installed during the installation process of the steel arch 12, thereby simplifying the on-site sliding process. There is no need to slide a certain distance and then pause to install the temporary cable 13 as in the prior art. The horizontal reaction force of the steel arch 12 on the lower supporting structure can be effectively reduced, which is beneficial to the force of the lower supporting structure and simultaneously reduces the amount of supporting measures, thereby having obvious economic benefits.

[0029] See also Figure 3 、 Figure 4 In some embodiments, the fixed platform 21 includes a plurality of transverse platform beams 5 and longitudinal platform beams 6. The transverse platform beams 5 and longitudinal platform beams 6 are connected in a staggered manner, and the cantilever beams 7 are connected to the longitudinal platform beams 6. The transverse platform beams 5, longitudinal platform beams 6, and cantilever beams 7 are respectively connected to the base plate 18 via a plurality of supporting connectors 15. The transverse platform beams 5, longitudinal platform beams 6, cantilever beams 7, and supporting connectors 15 of the fixed platform 21 can all be connected using high-strength bolts or other methods.

[0030] See also Figure 3 、 Figure 4 In some embodiments, the transverse platform beams 5 and the longitudinal platform beams 6 are staggered and connected to form a field-shaped structure, and the cantilever beams 7 are connected to the middle of the longitudinal platform beams 6 located at the edge. The structure is simple and the installation is convenient.

[0031] See also Figure 3 In some embodiments, a support connector 15 is installed at the cross-connection between the transverse platform beam 5 and the longitudinal platform beam 6. The support connector 15 can support the transverse platform beam 5 and the longitudinal platform beam 6 at the same time, making the upward supporting force more balanced, reducing the number of support connectors 15, and facilitating installation.

[0032] See also Figure 3 In some embodiments, a plurality of supporting connectors 15 are densely installed between the cantilever beam 7 and the base plate 18 to increase the support strength of the cantilever beam 7.

[0033] See also Figure 1-Figure 3 In some embodiments, the steel platform 20 is further provided with a support rod 8, the lower end of the support rod 8 being connected to the support frame 19, and the upper end of the support rod 8 being connected to the base plate 18 near the cantilever beam 7, thereby further increasing the support strength for the cantilever beam 7 and further transferring the load transmitted from above to the support frame 19. The upper and lower ends of the support rod 8 can be connected to the relevant components by welding or other methods.

[0034] See also Figure 1 In some embodiments, the support frame 19 is a lattice steel frame, which mainly provides support for the installation of the steel arch 12.

[0035] See also Figure 1 、 Figure 2 In some embodiments, the support frame 19 is provided with columns 2, horizontal rods 3, and diagonal web members 4. There are four columns 2 arranged in a rectangular shape, and the tops of the columns 2 are connected to the base plate 18; the two ends of the horizontal rod 3 are respectively connected to two adjacent columns 2, and there are multiple horizontal rods 3, which are arranged at intervals from top to bottom; two adjacent columns 2 and two adjacent horizontal rods 3 form a rectangular structure, and the two ends of the diagonal web members 4 are respectively connected and arranged at a group of diagonals of the rectangular structure, thereby forming a complete lattice support frame.

[0036] See also Figure 2 、 Figure 5 In some embodiments, connecting lugs are further provided at the diagonals of the rectangular structure. The connecting lugs include a first connecting lug 9, a second connecting lug 10, and a third connecting lug 17. The first connecting lug 9 is connected to the column 2, one end of the diagonal brace 4 is connected to the first connecting lug 9 via the second connecting lug 10, and one end of the horizontal bar 3 is connected to the first connecting lug 9 via the third connecting lug 17. The first connecting lug 9 can be connected to the column 2 by welding, while the diagonal brace 4 and the second connecting lug 10, and the horizontal bar 3 and the third connecting lug 17, can be connected by high-strength bolts, etc.

[0037] See also Figure 1 In some embodiments, the top of the column 2 is connected to the base plate 18 through the upper base 16, and the connection method can be fixed with high-strength bolts, etc.; the bottom of the column 2 is connected with a lower base 1, which is used to be fixed to the civil structure and stabilize its upper support frame 19.

[0038] This utility model provides a temporary cable installation platform for steel arch sliding, facilitating the installation of temporary cables 13, which provide horizontal reaction forces during the sliding of the steel arch 12. Its prefabricated construction also allows for high turnover and strong adaptability, making it widely applicable to steel arch 12 structures requiring sliding due to complex construction conditions such as numerous subsurface concrete floors, large depths, and stepped floor arrangements. By reducing the aforementioned horizontal reaction forces, additional verification and reinforcement of the underlying civil structure is unnecessary, saving related costs and improving the economic benefits of the structure.

[0039] In addition, each component of the installation platform can be modularly designed, allowing it to be quickly disassembled after the steel arch 12 is slid, and each component can be recycled and reused, which not only reduces construction costs but also improves economic benefits. At the same time, the lattice-type support frame 19 and steel platform 20 of the utility model can be reused after the steel arch 12 is installed. They are all assembled and connected using high-strength bolts, which improves economic efficiency.

[0040] In the description of the present invention, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. It should be noted that in the above-mentioned embodiments, the "first", "second" and "third" mentioned do not represent an absolute distinction in structure and / or function, nor do they represent a sequence of execution, but are merely for the convenience of description.

[0041] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present application, such as the two-layer structure of the steel platform can be equivalently replaced by a single-layer, three-layer, or four-layer structure; the material of the steel platform can be steel, or other metal or non-metal materials can be equivalently used, shall all be included in the scope of protection of the present application.

Claims

1. A steel arch sliding temporary cable installation platform, wherein the installation platform is provided with a support frame (19), characterized in that: The installation platform is further provided with a steel platform (20), and the steel platform (20) is fixedly mounted on the support frame (19); The steel platform (20) is configured as a two-layer structure, the upper layer comprising a fixed platform (21) and a cantilever beam (7), the cantilever beam (7) being connected to the fixed platform (21), and one end of the cantilever beam (7) extending out of the fixed platform (21); the lower layer comprising a base plate (18); the fixed platform (21) being connected to the base plate (18), and the base plate (18) being connected to the support frame (19).

2. The steel arch sliding temporary cable installation platform according to claim 1, characterized in that: The fixed platform (21) includes a plurality of transverse platform beams (5) and longitudinal platform beams (6), wherein the transverse platform beams (5) and the longitudinal platform beams (6) are connected in a staggered manner, and the cantilever beams (7) are connected to the longitudinal platform beams (6); the transverse platform beams (5), the longitudinal platform beams (6), and the cantilever beams (7) are respectively connected to the base plate (18) via a plurality of supporting connectors (15).

3. The steel arch sliding temporary cable installation platform according to claim 2, characterized in that: The transverse platform beams (5) and the longitudinal platform beams (6) are connected in a staggered manner to form a field-shaped structure, and the cantilever beams (7) are connected to the middle of the longitudinal platform beams (6) located at the edges.

4. The steel arch sliding temporary cable installation platform according to claim 2, characterized in that: The support connector (15) is installed at the cross connection between the transverse platform beam (5) and the longitudinal platform beam (6).

5. The steel arch sliding temporary cable installation platform according to claim 2, characterized in that: A plurality of supporting connectors (15) are densely installed between the cantilever beam (7) and the base plate (18).

6. The steel arch sliding temporary cable installation platform according to claim 1, characterized in that: The steel platform (20) is further provided with a support rod (8), the lower end of the support rod (8) is connected to the support frame (19), and the upper end of the support rod (8) is connected to the position of the base plate (18) close to the cantilever beam (7).

7. The steel arch sliding temporary cable installation platform according to claim 1, characterized in that: The support frame (19) is a lattice-type steel frame.

8. The steel arch sliding temporary cable installation platform according to claim 7, characterized in that: The support frame (19) is provided with columns (2), horizontal bars (3), and diagonal braces (4). The columns (2) are four in number and arranged in a rectangular shape. The tops of the columns (2) are connected to the base plate (18); the two ends of the horizontal bars (3) are respectively connected to two adjacent columns (2). The horizontal bars (3) are multiple and are arranged at intervals from top to bottom; the two adjacent columns (2) and the two adjacent horizontal bars (3) form a rectangular structure, and the two ends of the diagonal braces (4) are respectively connected and arranged at a group of diagonal positions of the rectangular structure.

9. The steel arch sliding temporary cable installation platform according to claim 8, characterized in that: The diagonal portions of the rectangular structure are also connected with connecting ear plates, and the connecting ear plates include a first connecting ear plate (9), a second connecting ear plate (10), and a third connecting ear plate (17). The first connecting ear plate (9) is connected to the column (2), one end of the diagonal web bar (4) is connected to the first connecting ear plate (9) through the second connecting ear plate (10), and one end of the horizontal bar (3) is connected to the first connecting ear plate (9) through the third connecting ear plate (17).

10. The steel arch sliding temporary cable installation platform according to claim 8, characterized in that: The top of the column (2) is connected to the base plate (18) via an upper base (16), and the bottom of the column (2) is connected to a lower base (1).

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