Movable protective device for capping construction of large-span structure of existing vehicle depot of subway

Abstract

The utility model provides a movable protective device for capping construction of a large-span structure of an existing vehicle depot of a subway, which comprises at least two columns of oppositely arranged support columns and track components fixed on each column of support columns and extending along the queue direction of the column of support columns, the two sides of the protective shed are erected on the opposite rail assemblies, and the protective shed moves in the queue direction along the rail assemblies; and the servo electric cylinder drives the rail assemblies to move. The movable protection device is few in material consumption, simple in process and easy to disassemble, and the use efficiency and the assembling and disassembling convenience of the protection device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of protection, in particular to a movable protection device used for the covering construction of a large-span structure of an existing vehicle section of a subway. Background Art

[0002] At present, there is no mature construction case as a reference for the cross-track covering project of existing subway entrance and exit lines in China, and various construction safety and technical issues need to be resolved.

[0003] There are great operational and construction risks in carrying out structural covering on the existing subway entry and exit lines under the premise of operation. If the traditional large-span covering concrete structure construction method is adopted, the full-frame support system cannot be used in the existing track area, and the structural construction is limited; at the same time, when constructing in the existing operating track area, the safety issues during the construction of the large-span covering structure are particularly prominent. During the pouring process of the traditional cast-in-place concrete structure, it is easy to have limit safety problems such as mortar falling, and the pouring construction and maintenance are difficult. At the same time, the concrete molding quality is poor, and the construction convenience is poor. How to carry out high-quality and high-convenience construction while ensuring the safety of construction and subway operation at the same time, and developing movable protective devices for the construction of large-span structures in existing subway depots, is of great reference significance for improving the convenience and safety of similar large-span cross-track structure covering construction. Utility Model Content

[0004] The purpose of the utility model is to provide a movable protective device for the construction of large-span structures in existing subway vehicle sections. By setting up a local movable protective device, it is ensured that the movable protective device can be pulled to the construction area for protection according to the construction area, thereby solving the problems of large consumables, complicated procedures, and great difficulty in dismantling of the traditional protective device set up in the entire area, and improving the use efficiency of the protective device and the convenience of installation and disassembly.

[0005] To achieve the above-mentioned purpose, the utility model provides a movable protective device for the construction of large-span structures in existing subway vehicle sections, including at least two rows of relatively arranged pillars, a track assembly fixed on each row of pillars and extending along the queuing direction of the columns, protective sheds on both sides of the relatively arranged rail assemblies and moving along the rail assemblies in the queuing direction, and a servo electric cylinder for driving the rail assembly to move.

[0006] The aforementioned track assembly includes a steel corbel embedded assembly, a roller assembly and an I-beam track beam; the outer side of the steel corbel embedded assembly is fixed on the pillar, the I-beam track beam is fixed on the top of the steel corbel embedded assembly, the roller assembly straddles the I-beam track beam and moves along the axial direction of the I-beam track beam; the servo electric cylinder is arranged between one end of the I-beam track beam and the roller assembly, and the outer end of the piston rod of the servo electric cylinder is connected to the opposite end of the roller assembly.

[0007] The aforementioned protective shed comprises a steel truss beam, a square steel tube beam and a galvanized corrugated plate; the two ends of the steel truss beam are respectively fixedly connected to the inner side of the roller assembly at the corresponding end; the square steel tube beam is multiple and is dispersedly arranged on the top of the steel truss beam according to the structural span and connected by bolts; the square steel tube beam is arranged perpendicular to the axis of the steel truss beam;

[0008] The galvanized corrugated plate is erected on the top of the square steel tube beam.

[0009] The roller assembly comprises a roller group, roller bolts, embedded bolts, a hanging plate frame, a transverse connecting steel plate and a second vertical steel plate; the roller group is connected to the hanging plate frame through the roller bolts and embedded bolts to form a roller hanging plate group on one side;

[0010] The roller hanging plate groups on both sides are welded together by transverse connecting steel plates to form a roller assembly;

[0011] The second vertical steel plate is located outside the roller hanging plate group on one side, and the top end of the second vertical steel plate is fixedly connected to the outer extension of one end of the horizontal connecting steel plate;

[0012] The steel truss beam is respectively connected with corresponding second vertical steel plate bolts through second vertical steel plate reserved holes at both ends thereof.

[0013] The aforementioned steel corbel embedded assembly includes an embedded climbing cone, a stress-bearing bolt, an embedded high-strength screw, a vertical connection steel plate, a transverse steel plate, a first vertical steel plate and a connection steel plate; the embedded high-strength screw and the embedded climbing cone are located on the outside of the vertical connection steel plate, the stress-bearing bolt is located on the inside of the vertical connection steel plate, and the embedded high-strength screw is connected to the stress-bearing bolt that passes through the vertical connection steel plate outward through the embedded climbing cone; one end of the transverse steel plate is fixedly connected to the inner top of the vertical connection steel plate; the first vertical steel plate is two , and is located in a plane intersecting the vertical connecting steel plate, the circumferential top surface of the first vertical steel plate is fixedly connected to the bottom surface of the transverse steel plate, and the circumferential side surface of the first vertical steel plate is fixedly connected to the inner side of the vertical connecting steel plate; the connecting steel plate is arranged parallel to the transverse steel plate, and is located between the inner side surface of the vertical connecting steel plate and the two opposite first vertical steel plates, and is welded to the vertical connecting steel plate and the two opposite first vertical steel plates respectively; the I-beam track beam is fixed to the transverse steel plate by bolts.

[0014] The utility model has the advantages of less consumables, simple working procedures, easy disassembly, and improved use efficiency of the protective device and convenience of installation and disassembly (safe disassembly). BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall top view of the movable protective device used for the construction of large-span structures in existing subway depots.

[0016] Figure 2 It is an overall schematic diagram of a movable protective device used for the construction of large-span structures in existing subway depots.

[0017] Figure 3 This is a schematic diagram of the installation of the servo electric cylinder system.

[0018] Figure 4 It is a three-dimensional schematic diagram of the steel corbel embedded components.

[0019] Figure 5 It is a schematic diagram of the axial side of the steel corbel embedded assembly.

[0020] Figure 6 is a schematic diagram of a climbing cone assembly.

[0021] Figure 7 It is a schematic diagram of the structure of the roller assembly.

[0022] Figure 8 It is a three-dimensional diagram of the roller assembly.

[0023] Fig. 9 It is a schematic diagram showing that the right end of the steel truss beam 4 is connected to the vertical steel plate 2-6 of the roller assembly 2 at the left end of the track assembly by bolts.

[0024] Fig.10It is a schematic diagram showing that the left end of the steel truss beam 4 is connected to the vertical steel plate 2-6 of the roller assembly 2 at the right end of the track assembly by bolts.

[0025] Explanation of the reference numerals: 1. embedded steel corbel assembly; 2. roller assembly; 3. I-beam track beam; 4. steel truss beam; 5. square steel tube beam; 6. galvanized corrugated plate; 7. servo electric cylinder system; 8. pillar; 1-1. embedded climbing cone; 1-2. force-bearing bolt; 1-3. embedded high-strength screw; 1-4. vertical connecting steel plate; 1-5. transverse steel plate; 1-6. first vertical steel plate; 1-7. connecting steel plate; 2-1. roller group; 2-2. roller bolt; 2-3. embedded bolt; 2-4. hanging plate; 2-5. transverse connecting steel plate; 2-6. second vertical steel plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the described embodiments are only part of the embodiments of this patent, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0027] In order to ensure that the mobile protective device can be pulled to the construction area for protection according to the construction area by setting up a local movable protective device, solve the problems of large consumables, complex procedures, and great difficulty in dismantling of the traditional full-area protective device, and improve the use efficiency and installation convenience of the protective device, this embodiment provides a Figure 1 The movable protective device shown in the figure is used for the construction of covering the large-span structure of the existing subway vehicle section, including at least two rows of pillars 8 (cast-in-place concrete columns) arranged opposite to each other, a track assembly fixed on each row of pillars 8 and extending along the queuing direction of the columns, protective sheds erected on both sides on the opposite track assemblies and moving along the track assemblies in the queuing direction, and a servo electric cylinder for driving the movement of the track assembly.

[0028] The track components include Figure 2 The steel bracket embedded assembly 1, the roller assembly 2 and the I-beam track beam 3 are shown, and the protective shed includes a steel truss beam 4, a square steel tube beam 5, a galvanized corrugated plate 6 and Figure 3 The high-precision servo electric cylinder system 7 shown in the figure. Select a suitable high-precision servo electric cylinder and install it at a suitable position at the end of the I-beam track beam 3 according to the actual situation. The movement control can be performed according to the construction needs. The square steel tube beam 5 is dispersedly arranged at Figure 1 The top of the steel truss beam 4 shown (set perpendicular to the axis of the steel truss beam 4) is connected to the steel truss beam 4 by bolts, the galvanized corrugated sheet 6 is erected on the square steel tube beam 5, and then fastening bolts are set to fix the galvanized corrugated sheet.

[0029] Among them, the steel corbel embedded component 1 includes Figure 4 , Figure 5 and Figure 6 The embedded climbing cone 1-1, stress bolts 1-2, embedded high-strength screws 1-3, vertical connecting steel plates 1-4, transverse steel plates 1-5, first vertical steel plates 1-6, and connecting steel plates 1-7 are shown, wherein the vertical connecting steel plate 1-4 is connected to the embedded climbing cone 1-1 and the embedded high-strength screws 1-3 by stress bolts 1-2 (that is, the embedded climbing cone 1-1, the embedded high-strength screws 1-3 and the stress bolts 1-2 constitute a climbing cone assembly for completing the fixed connection between the vertical connecting steel plate 1-4 and the pillar), the transverse steel plate 1-5, the first vertical steel plate 1-6 and the connecting steel plate 1-7 are connected and fixed to the vertical connecting steel plate 1-4 by welding, the transverse steel plate 1-5 is provided with positioning connecting bolt holes, the I-beam track beam 3 is connected to the transverse steel plate 1-5 by bolts, and the position can be determined according to the structural span.

[0030] Roller assembly 2 is composed of Figure 7 The roller assembly 2-1, roller bolts 2-2, embedded bolts 2-3, hanging plates 2-4, transverse connecting steel plates 2-5, and second vertical steel plates 2-6 are shown, wherein the roller assembly 2-1 is connected to the hanging plates 2-4 through the roller bolts 2-2 and the embedded bolts 2-3 to form a roller hanging plate assembly on one side; the roller hanging plate assemblies on both sides are welded together through the transverse connecting steel plates 2-5 to form a roller assembly; and the second vertical steel plate 2-6 is located on the outside of the roller hanging plate assembly on one side (such as Figure 7 The top of the second vertical steel plate 2-6 is connected to the outer extension of one end of the horizontally connected steel plate 2-5 ( Figure 7 The steel truss beam 4 is connected to the corresponding second vertical steel plate 2-6 by bolts through the reserved holes of the vertical steel plates at both ends, as shown in FIG. Fig. 9 The right end of the steel truss beam 4 is connected to the second vertical steel plate 2-6 of the roller assembly 2 at the left end of the track assembly by bolts. Fig.10 The left end of the steel truss beam 4 is connected to the second vertical steel plate 2-6 of the roller assembly 2 at the right end of the track assembly by bolts.

[0031] In summary, it is not difficult to see that the movable protective device used for the construction of large-span structures in existing subway vehicle depots has a simple structure, few consumables, and is easy to disassemble and assemble, which is beneficial to improving the use efficiency of the protective device and the convenience of installation and disassembly (safe disassembly).

Claims

1. A movable protective device for the construction of large-span structures in existing subway depots, characterized in that: It includes at least two rows of pillars arranged opposite to each other, a track assembly fixed on each row of pillars and extending along the queuing direction of the pillars, a protective shed erected on both sides on the opposite track assemblies and moving along the track assemblies along the queuing direction, and a servo electric cylinder driving the track assembly to move.

2. The movable protection device according to claim 1, characterized in that: The track assembly comprises a steel bracket embedded assembly (1), a roller assembly (2) and an I-beam track beam (3); The outer side of the steel corbel embedded component (1) is fixed on the pillar, the I-beam track beam (3) is fixed on the top of the steel corbel embedded component (1), and the roller assembly (2) straddles the I-beam track beam (3) and moves along the axial direction of the I-beam track beam (3); The servo electric cylinder is arranged between one end of the I-beam track beam (3) and the roller assembly (2), and the outer end of the piston rod of the servo electric cylinder is connected to the opposite end of the roller assembly (2).

3. The movable protection device according to claim 2, characterized in that: The protective shed comprises a steel truss beam (4), a square steel tube beam (5) and a galvanized corrugated plate (6); Both ends of the steel truss beam (4) are respectively fixedly connected to the inner sides of the roller assemblies (2) at the corresponding ends; The square steel tube beams (5) are multiple and are dispersedly arranged on the top of the steel truss beam (4) according to the structural span and connected by bolts; the square steel tube beams (5) are arranged perpendicular to the axis of the steel truss beam (4); the galvanized corrugated plate (6) is erected on the top of the square steel tube beam (5).

4. The movable protection device according to claim 3, characterized in that: The roller assembly (2) comprises a roller group (2-1), roller bolts (2-2), embedded bolts (2-3), a hanging plate (2-4), a transverse connecting steel plate (2-5) and a second vertical steel plate (2-6); The roller assembly (2-1) is connected to the hanging plate (2-4) via roller bolts (2-2) and embedded bolts (2-3) to form a roller hanging plate assembly on one side; The roller hanging plate groups on both sides are welded together through transverse connecting steel plates (2-5) to form a roller assembly; The second vertical steel plate (2-6) is located on the outside of the roller hanging plate group on one side, and the top end of the second vertical steel plate (2-6) is fixedly connected to the outer extension of one end of the transverse connecting steel plate (2-5); the steel truss beam (4) is bolted to the corresponding second vertical steel plate (2-6) through the vertical steel plate reserved holes at both ends thereof.

5. The movable protection device according to claim 3, characterized in that: The steel corbel embedded assembly (1) comprises an embedded climbing cone (1-1), a stress-bearing bolt (1-2), an embedded high-strength screw rod (1-3), a vertical connecting steel plate (1-4), a transverse steel plate (1-5), a first vertical steel plate (1-6) and a connecting steel plate (1-7); The embedded high-strength screw rod (1-3) and the embedded climbing cone (1-1) are located on the outside of the vertical connection steel plate (1-4), the force-bearing bolt (1-2) is located on the inside of the vertical connection steel plate (1-4), and the embedded high-strength screw rod (1-3) and the force-bearing bolt (1-2) passing through the vertical connection steel plate (1-4) outward are connected through the embedded climbing cone (1-1); one end of the transverse steel plate (1-5) is fixedly connected to the inner top of the vertical connection steel plate (1-4); There are two first vertical steel plates (1-6), which are located in a plane intersecting the vertical connecting steel plate (1-4); the circumferential top surface of the first vertical steel plate (1-6) is fixedly connected to the bottom surface of the transverse steel plate (1-5); and the circumferential side surface of the first vertical steel plate (1-6) is fixedly connected to the inner side of the vertical connecting steel plate (1-4); The connecting steel plate (1-7) is arranged parallel to the transverse steel plate (1-5), and is located between the inner side surface of the vertical connecting steel plate (1-4) and the two opposite first vertical steel plates (1-6), and is welded to the vertical connecting steel plate (1-4) and the two opposite first vertical steel plates (1-6) respectively; The I-beam track beam (3) and the transverse steel plate (1-5) are fixed by bolts.

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