Curve elevator steel platform for bridge pier construction

Abstract

The utility model relates to the field of bridge pier construction equipment, and discloses a curved elevator steel platform for bridge pier construction, which comprises a reinforcing cross rod, main chord members are fixedly mounted on both sides of the reinforcing cross rod, reinforcing rods are fixedly mounted at the front ends of the opposite surfaces of the two groups of main chord members, and two groups of centering rods are fixedly mounted on the back surface of the reinforcing cross rod. And the reinforcing rods penetrate through the interior of the centering rods, supporting bases are fixedly installed on the opposite faces of the two sets of centering rods, lower supporting beams are fixedly installed at the bottoms of the supporting bases, lower supporting rods are movably installed at the bottoms of the lower supporting beams, and first brackets are fixedly installed at the bottoms of the lower supporting rods. The framework structure of the reinforcing cross rods, the main chord members, the drum beating rods and the center rods is involved to form the general framework structure of the steel platform, and the steel platform has the advantages of being convenient to install, simple in structure, safe and reliable in fixing mode and capable of being repeatedly used, the length position of a bottom installation structure can be adjusted, and the steel platform is suitable for pier construction.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge pier construction equipment, in particular to a curved elevator steel platform used for bridge pier construction. Background Art

[0002] With the development of construction technology, the height of bridge piers has gradually increased and the structure has become more complex. In some cases, traditional construction elevators can no longer meet construction needs. When it is necessary to build a construction elevator above the pier cap, the common concrete foundation is no longer applicable. A steel platform foundation is required to support the elevator and supporting structures. This patent designs a curved elevator steel platform foundation suitable for pier construction, which can effectively meet the design and use requirements. Utility Model Content

[0003] The utility model aims to provide a curved elevator steel platform for bridge pier construction, so as to solve the problem that the concrete foundation for the construction elevator is not suitable in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions, which disclose a curved elevator steel platform for bridge pier construction, including: a reinforcing cross bar, main chord rods are fixedly installed on both sides of the reinforcing cross bar, the front ends of the facing surfaces of the two groups of main chord rods are fixedly installed, two groups of center rods are fixedly installed on the back of the reinforcing cross bar, and the reinforcing rods penetrate the interior of the center rods, the facing surfaces of the two groups of center rods are fixedly installed with a support seat, a lower support beam is fixedly installed on the bottom of the support seat, a lower support rod is movably installed on the bottom of the lower support beam, a first bracket is fixedly installed on the bottom of the lower support rod, and the tail ends of the main chord rod and the center rod are fixedly installed with a welding reinforcement, and the outer surface of the welding reinforcement is provided with a second bracket and a climbing cone positioning plate;

[0005] The connecting part includes a splicing rod, which is movably installed on the facing surfaces of the lower support rod and the lower support beam. The bottom of the splicing rod and the lower support beam are fixedly installed with a plug-in rod. The tops of the splicing rod and the lower support beam are provided with slots of the same specifications. The outer surfaces of the lower support beam and the splicing rod are penetrated and plugged with positioning pins, and the positioning pins penetrate the interior of the plug-in rod.

[0006] As a preferred technical solution of the utility model, the front ends of the facing surfaces of the two groups of main chords are fixedly installed with first diagonal web members, and the front ends of the first diagonal web members are fixedly connected to the outer surface of the center rod, and the first diagonal web members are located on the front side of the reinforcement rod.

[0007] As a preferred technical solution of the utility model, a second diagonal web member is fixedly installed in the middle of the facing surfaces of the two groups of main chords, and the front end of the second diagonal web member is fixedly connected to the outer surface of the center rod, and the second diagonal web member is located on the back of the reinforcement rod.

[0008] As a preferred technical solution of the utility model, multiple groups of straight web members are equidistantly installed at the tail ends of the facing surfaces of the two groups of main chord members, and the multiple groups of straight web members all penetrate the interiors of the two groups of center rods.

[0009] As a preferred technical solution of the utility model, a docking plate is movably installed on the top of the two groups of main chord rods, a tread frame is fixedly installed on the inner wall of the docking plate, and a metal grid is fixedly installed on the inner wall of the tread frame.

[0010] As a preferred technical solution of the utility model, a docking block is fixedly installed on the bottom of the docking plate, and the tops of the two groups of main chord rods are provided with symmetrically distributed docking grooves, and the docking block is clamped inside the docking grooves.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model forms a general frame structure of a steel platform by reinforcing the frame structure of cross bars, main chord bars, drum bars and center bars. The upper and lower connections can be connected and fixed by pre-embedding and welding. It is easy to install, simple in structure, safe and reliable in fixing, can be repeatedly used, and the bottom installation structure can be adjusted in length and position, which is suitable for bridge pier construction.

[0013] 2. The utility model provides a docking plate and a treadle frame, and the top of the steel platform frame of the device can be installed by docking, so that the treadle structure can be laid and installed on the top of the frame structure. The adjustable number of treadle structures installed can better assist the construction workers in their treading operations and assist in the construction of bridge piers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural stereogram of the utility model;

[0015] Figure 2 It is a structural stereogram of the main chord of the utility model;

[0016] Figure 3 It is a structural stereogram of the lower support rod of the utility model;

[0017] Figure 4 It is a schematic cross-sectional view of the structure of the docking plate of the utility model;

[0018] Figure 5 It is a schematic cross-sectional view of the structure of the plug-in rod of the utility model.

[0019] In the figure: 1. reinforcement cross bar; 2. main chord; 3. reinforcement rod; 4. center rod; 5. support seat; 6. lower support beam; 7. lower support rod; 8. first corbel; 9. welded reinforcement; 10. second corbel and climbing cone positioning plate; 11. first diagonal web bar; 12. second diagonal web bar; 13. straight web bar; 14. docking plate; 15. pedal frame; 16. metal grid; 17. docking block; 18. docking groove; 19. splicing rod; 20. plug-in rod; 21. positioning pin. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 2 , Figure 3 and Figure 5 , a curved elevator steel platform for bridge pier construction:

[0022] It comprises: a reinforcing cross bar 1, main chord rods 2 are fixedly installed on both sides of the reinforcing cross bar 1, reinforcing rods 3 are fixedly installed on the front ends of the facing surfaces of the two groups of main chord rods 2, two groups of center rods 4 are fixedly installed on the back of the reinforcing cross bar 1, and the reinforcing rods 3 run through the inside of the center rods 4, and the facing surfaces of the two groups of center rods 4 are fixedly installed with support seats 5, a lower support beam 6 is fixedly installed at the bottom of the support seat 5, a lower support rod 7 is movably installed at the bottom of the lower support beam 6, and a first corbel 8 is fixedly installed at the bottom of the lower support rod 7, and the tail ends of the main chord rod 2 and the center rod 4 are fixedly installed with welding reinforcements 9, and the outer surface of the welding reinforcement 9 is provided with a second corbel and a climbing cone positioning plate 10;

[0023] When the device is used to build a construction elevator above the pier cap, it is pre-embedded and installed on the pier through the setting of bolt structure and climbing cone positioning plate, and fixed by welding the second corbel, and the connection is provided with a welded reinforcement member 9 for reinforcement. The interior of the two sets of main chords 2 can be penetrated and reinforced by the reinforcing rod 3 to penetrate the center rod 4, and the rod-like structures such as the reinforced cross bar 1, the main chord 2 and the center rod 4 can form the main structure of the steel platform. The bottom of the center rod 4 can be welded to the trestle steel column through the connection of the lower support beam 6 and the lower support rod 7, and its bottom can be welded to the trestle steel column through the first corbel 8 to fix the lower support rod 7 to provide bottom support for the device as a whole.

[0024] The connecting piece includes a splicing rod 19, which is movably mounted on the facing surface of the lower support rod 7 and the lower support beam 6. The bottom of the splicing rod 19 and the lower support beam 6 are fixedly mounted with a plug-in rod 20. The tops of the splicing rod 19 and the lower support beam 6 are provided with slots of the same specifications. The outer surfaces of the lower support beam 6 and the splicing rod 19 are penetrated and plugged with positioning pins 21, and the positioning pins 21 penetrate the interior of the plug-in rod 20.

[0025] The lower support rod 7 and the lower support beam 6 are used as the bottom support installation structure of the device, which is the connection structure between the steel platform and the steel column of the pier. The two can be connected through the intervention of the splicing rod 19, coordinated with the plug-in installation relationship of the plug-in rod 20, and the positioning pin 21 reinforces the connection of the plug-in rod 20 after plug-in. The intervention allows the lower support rod 7 and the lower support beam 6 to be extended in length by adding the splicing rod 19, which assists the installation connection between the bottom installation connection and the steel column of the pier.

[0026] See also Figure 1 and Figure 2 ,

[0027] A first diagonal web member 11 is fixedly installed at the front end of the facing surfaces of the two groups of main chord rods 2, and the front end of the first diagonal web member 11 is fixedly connected to the outer surface of the center rod 4, and the first diagonal web member 11 is located on the front side of the reinforcement rod 3. A second diagonal web member 12 is fixedly installed at the middle of the facing surfaces of the two groups of main chord rods 2, and the front end of the second diagonal web member 12 is fixedly connected to the outer surface of the center rod 4, and the second diagonal web member 12 is located on the back side of the reinforcement rod 3. A plurality of groups of straight web members 13 are equidistantly installed at the tail ends of the facing surfaces of the two groups of main chord rods 2, and the plurality of groups of straight web members 13 all penetrate the interiors of the two groups of center rods 4.

[0028] After the first diagonal web member 11 and the second diagonal web member 12 are connected to the center rod 4 at an inclined angle, they are arranged and installed in coordination with the straight web member 13, which plays a role in reinforcing the main structure of the steel platform.

[0029] See also Figure 1 and Figure 4 ,

[0030] A docking plate 14 is movably mounted on the top of the two sets of main chord rods 2, a tread frame 15 is fixedly mounted on the inner wall of the docking plate 14, and a metal grid 16 is fixedly mounted on the inner wall of the tread frame 15. A docking block 17 is fixedly mounted on the bottom of the docking plate 14, and symmetrically distributed docking grooves 18 are provided on the tops of the two sets of main chord rods 2, and the docking blocks 17 are clamped inside the docking grooves 18;

[0031] The docking plate 14 can be docked and installed between the bottom docking block 17 and the docking groove 18 of the main chord 2, providing a convenient installation method for the docking plate 14. After the docking plate 14 is installed, the pedal frame 15 and the metal grid 16 can be laid and covered on the top of the main chord 2, and the card installation area can be adjusted by the installation quantity to assist the temporary stepping of the construction workers during the operation.

[0032] Working principle: After the frame structure of the device is installed between the bridge piers through the installation connection composed of the welding reinforcement 9, the second corbel and the climbing cone positioning plate 10, the bottom of the device can be welded and installed to the pier steel column through the first corbel 8, and the installation and fixation of the device can be achieved from two directions. When the first corbel 8 is used as the installation structure with the pier steel column, after the welding reinforcement 9, the second corbel and the climbing cone positioning plate 10 are installed, its position height can be adjusted by installing the splicing rod 19 to be suitable for subsequent installation and connection.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A curved elevator steel platform for bridge pier construction, comprising: A reinforcement cross bar (1), characterized in that: main chord rods (2) are fixedly installed on both sides of the reinforcement cross bar (1), reinforcement rods (3) are fixedly installed on the front ends of the facing surfaces of the two groups of main chord rods (2), two groups of center rods (4) are fixedly installed on the back of the reinforcement cross bar (1), and the reinforcement rods (3) penetrate the interior of the center rods (4), and support seats (5) are fixedly installed on the facing surfaces of the two groups of center rods (4), a lower support beam (6) is fixedly installed on the bottom of the support seat (5), a lower support rod (7) is movably installed on the bottom of the lower support beam (6), and a first bracket (8) is fixedly installed on the bottom of the lower support rod (7), and the tail ends of the main chord rod (2) and the center rod (4) are fixedly installed with welding reinforcement members (9), and the outer surface of the welding reinforcement member (9) is provided with a second bracket and a climbing cone positioning plate (10); A connecting piece, comprising a splicing rod (19) movably mounted on the facing surfaces of a lower support rod (7) and a lower support beam (6), a plug-in rod (20) being fixedly mounted on the bottom of the splicing rod (19) and the lower support beam (6), slots of the same specification being provided on the tops of the splicing rod (19) and the lower support beam (6), positioning pins (21) being inserted through the outer surfaces of the lower support beam (6) and the splicing rod (19), and the positioning pins (21) being inserted through the interior of the plug-in rod (20).

2. The curved elevator steel platform for bridge pier construction according to claim 1 is characterized by: A first diagonal web member (11) is fixedly mounted on the front ends of the facing surfaces of the two groups of main chord rods (2), and the front ends of the first diagonal web members (11) are fixedly connected to the outer surface of the center rod (4), and the first diagonal web members (11) are located on the front side of the reinforcement rod (3).

3. The curved elevator steel platform for bridge pier construction according to claim 1 is characterized by: A second diagonal web member (12) is fixedly installed in the middle of the facing surfaces of the two groups of main chord rods (2), and the front end of the second diagonal web member (12) is fixedly connected to the outer surface of the center rod (4), and the second diagonal web member (12) is located on the back of the reinforcement rod (3).

4. The curved elevator steel platform for bridge pier construction according to claim 1 is characterized by: A plurality of groups of straight web members (13) are equidistantly installed at the tail ends of the facing surfaces of the two groups of main chord members (2), and the plurality of groups of straight web members (13) all penetrate the interiors of the two groups of center rods (4).

5. The curved elevator steel platform for bridge pier construction according to claim 1 is characterized by: A butt joint plate (14) is movably mounted on the top of the two groups of main chord rods (2), a tread frame (15) is fixedly mounted on the inner wall of the butt joint plate (14), and a metal grid frame (16) is fixedly mounted on the inner wall of the tread frame (15).

6. The curved elevator steel platform for bridge pier construction according to claim 5 is characterized by: A docking block (17) is fixedly mounted on the bottom of the docking plate (14), and symmetrically distributed docking grooves (18) are provided on the tops of the two groups of main chord rods (2), and the docking block (17) is clamped inside the docking grooves (18).

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