The hanger tensioning tooling of the mesh hanger steel box tied arch bridge

Abstract

The utility model relates to the technical field of arch bridge construction tools, and specifically discloses a suspender tensioning tool for a mesh suspender steel box tie arch bridge. The utility model comprises a tool body, the tool body comprises a connecting block, and a first connecting column is provided at the upper end of the connecting block; a tensioning mechanism is provided at the lower end of the suspender; the tensioning mechanism comprises a clamping plate assembly; the clamping plate assembly comprises two sub-clamping plates; a first threaded rod is provided between the two sub-clamping plates, and a cylinder is provided at the upper end of the clamping plate assembly close to the suspender for pulling the first threaded rod so that the clamping plate assembly drives the suspender to move downward. The utility model can solve the problems of cumbersome installation and disassembly of the tensioning tool and the inability to be reused. The effect of facilitating the installation and disassembly of the tensioning tool by the staff is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of arch bridge construction tools, in particular to a hanger tensioning tool for a mesh hanger steel box tied arch bridge. Background Art

[0002] In recent decades, bottom-supported steel box arch bridges have been widely used at home and abroad due to their advantages such as large spanning capacity, small building height, good force-bearing performance, economy and beauty. Compared with the vertical hanger arrangement, the mesh hanger can effectively reduce the bending moment and deflection of the arch ribs and steel longitudinal beams of the steel box arch bridge, and improve the overall stiffness of the steel box arch bridge.

[0003] The new hanger arrangement and cable structure require that the connection between the lower end of the hanger and the base be tensioned after the hanger is installed to make the hanger taut. The tensioning tooling currently used in the hanger tensioning construction process is complex and bulky in structure, cumbersome to install and disassemble, with welded connections between components, and most of them are disposable, resulting in serious material waste. Utility Model Content

[0004] In view of the defects existing in the prior art, the utility model provides a suspender tensioning tool for a mesh suspender steel box tie arch bridge, which can solve the problems of cumbersome installation and disassembly of the tensioning tool and non-reusability, and achieve the effect of facilitating the installation and disassembly of the tensioning tool for workers.

[0005] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0006] The hanger tensioning tooling of the mesh hanger steel box tied arch bridge includes a tooling body, the tooling body includes a connecting block connected to a base, a first connecting column is provided at the upper end of the connecting block; a tensioning mechanism for pulling the hanger toward the first connecting column is provided at the lower end of the hanger; the tensioning mechanism includes a clamping plate assembly clamped on the hanger and the first connecting column; the clamping plate assembly includes two sub-clamping plates; a first threaded rod is provided between the two sub-clamping plates, and a cylinder is provided at the upper end of the clamping plate assembly close to the hanger for pulling the first threaded rod, so that the clamping plate assembly drives the hanger to move downward.

[0007] Through the utility model, when tensioning the boom, construction workers first clamp the two sub-clamps on the first connecting column and the boom respectively, and then pull the first threaded rod through the cylinder, thereby driving the clamp assembly and the boom to move toward the base, so as to tighten the boom; when the boom is tightened, the workers separate the two sub-clamps and remove the cylinder, thereby facilitating the workers to install and disassemble the tensioning tooling, thereby greatly improving the workers' construction efficiency.

[0008] Preferably, the clamping plate assembly is provided with a first through hole for the suspension rod and the first connecting column to pass through; the end of the suspension rod passing through the first through hole is provided with a mounting column, a mounting cavity is provided in the mounting column, and a threaded column extending into the mounting cavity is provided below the mounting column; the end of the threaded column extending into the mounting cavity expands outwardly along the circumferential direction to form a first flange; the outer side wall of one end of the first connecting column passing through the first through hole expands outwardly along the circumferential direction to form a second flange; the first connecting column is provided with a mounting groove for the threaded column to extend into, and the inner side wall of the mounting groove is provided with an external thread matching the threaded column.

[0009] With the utility model, when the suspension rod moves downward under the push of the cylinder, the threaded column moves toward the installation cavity, and then the staff rotates the threaded column to make the threaded column turn into the installation groove. The operation is repeated in this way to gradually tighten the suspension rod, thereby making it more convenient for the staff to adjust the tightness of the suspension rod.

[0010] Preferably, second through holes are provided on both sides of the first through hole for the first threaded rod to pass through; and a first bolt is provided at the lower end of the first threaded rod, which is sleeved on the first threaded rod and abuts against the clamping plate assembly.

[0011] With the utility model, when installing the cylinder, the staff puts the cylinder on the clamping plate assembly, and the first threaded rod passes through the second through hole and extends into the cylinder. Thereafter, the first bolt is put on the first threaded rod and pressed against the lower end face of the clamping plate assembly clamped on the first connecting column, so that the clamping plate assembly clamped on the first connecting column is pressed against the second flange; thereby, the stability of the clamping plate assembly when the cylinder pushes it to move is better guaranteed.

[0012] Preferably, a third through hole is provided on the side wall of the sub-clamping plate along the width direction of the sub-clamping plate, a second threaded rod with both ends extending out of the third through hole is provided in the third through hole, and second bolts are respectively sleeved on both ends of the second threaded rod.

[0013] With the utility model, the staff puts the two sub-splice plates together, then passes the second threaded rod through the third through hole on the two sub-splice plates, and finally puts the second bolts on both ends of the second threaded rod and makes the second bolts press against the side walls of the sub-splice plates to assemble the splint assembly; when the splint assembly needs to be dismantled, it is only necessary to remove the second bolt and then separate the two sub-splice plates; thus, it is convenient for the staff to install and disassemble the splint assembly.

[0014] Preferably, a reinforcing plate is provided on the upper end surface of the sub-clamping plate along the length direction of the sub-clamping plate.

[0015] Through the utility model, the reinforcing plate enhances the overall structural strength of the sub-splice.

[0016] Preferably, the threaded column has a clamping portion formed without threads near the outer side wall of the first flange, and a plurality of planes are provided on the outer side wall of the clamping portion along the circumference of the threaded column.

[0017] With the utility model, when a worker needs to rotate a threaded column, the worker can rotate the threaded column by clamping the wrench on the plane of the clamping part, thereby facilitating the worker to rotate the threaded column. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the tooling body in Example 1.

[0019] Figure 2 This is a schematic diagram of the connection between the suspension rod and the base in Example 1.

[0020] Figure 3 Schematic diagram of the splint assembly in Example 1.

[0021] Figure 4 This is a cross-sectional view of the tooling body in Example 1. DETAILED DESCRIPTION

[0022] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments are only used to explain the utility model but not to limit it.

[0023] Example 1

[0024] like Figure 1-4 As shown, this embodiment provides a hanger tensioning tool for a mesh hanger steel box tie arch bridge, which includes a tool body 100, the tool body 100 includes a connecting block 130 connected to a base 140, and a first connecting column 230 is provided at the upper end of the connecting block 130; a tensioning mechanism for pulling the hanger 170 toward the first connecting column 230 is provided at the lower end of the hanger 170; the tensioning mechanism includes a clamping plate assembly 120 clamped on the hanger 170 and the first connecting column 230; the clamping plate assembly 120 includes two sub-clamping plates 350; a first threaded rod 160 is provided between the two sub-clamping plates 350, and a cylinder 110 is provided at the upper end of the clamping plate assembly 120 close to the hanger 170 for pulling the first threaded rod 160, so that the clamping plate assembly 120 drives the hanger 170 to move downward.

[0025] Through this embodiment, when the construction workers tension the suspension rod 170, they first clamp the two sub-clamps 350 on the first connecting column 230 and the suspension rod 170 respectively, and then pull the first threaded rod 160 through the cylinder 110, thereby driving the clamp assembly 120 and the suspension rod 170 to move toward the base 140, so as to tighten the suspension rod 170; when the suspension rod 170 is tightened, the staff separates the two sub-clamps 350 and removes the cylinder 110, thereby facilitating the staff to install and disassemble the tensioning tooling, thereby greatly improving the staff's construction efficiency.

[0026] In this embodiment, a first through hole 310 is provided at the clamping plate assembly 120 for the suspension rod 170 and the first connecting column 230 to pass through; a mounting column 210 is provided at one end of the suspension rod 170 passing through the first through hole 310, a mounting cavity 410 is provided in the mounting column 210, and a threaded column 150 extending into the mounting cavity 410 is provided below the mounting column 210; one end of the threaded column 150 extending into the mounting cavity 410 expands outwardly along the circumferential direction to form a first flange 420; the outer side wall of one end of the first connecting column 230 passing through the first through hole 310 expands outwardly along the circumferential direction to form a second flange 220; a mounting groove 430 is provided at the first connecting column 230 for the threaded column 150 to extend into, and an external thread matching the threaded column 150 is provided on the inner side wall of the mounting groove 430.

[0027] Through this embodiment, when the suspension rod 170 moves downward under the push of the cylinder 110, the threaded column 150 moves toward the installation cavity 410, and then the staff rotates the threaded column 150 to make the threaded column 150 turn into the installation groove 430. The operation is repeated in this way to gradually tighten the suspension rod 170, thereby making it more convenient for the staff to adjust the tightness of the suspension rod 170.

[0028] In this embodiment, second through holes 320 are provided on both sides of the first through hole 310 for the first threaded rod 160 to pass through; a first bolt 450 is provided at the lower end of the first threaded rod 160 and is sleeved on the first threaded rod 160 and abuts against the clamping plate assembly 120 .

[0029] Through this embodiment, when installing the cylinder 110, the staff places the cylinder 110 on the clamping plate assembly 120, and the first threaded rod 160 passes through the second through hole 320 and extends into the cylinder 110. Thereafter, the first bolt 450 is put on the first threaded rod 160 and pressed against the lower end surface of the clamping plate assembly 120 clamped on the first connecting column 230, so that the clamping plate assembly 120 clamped on the first connecting column 230 is pressed against the second flange 220; thereby, the stability of the cylinder 110 when pushing the clamping plate assembly 120 to move is better guaranteed.

[0030] In this embodiment, a third through hole 440 is provided on the side wall of the sub-clamping plate 350 and is arranged along the width direction of the sub-clamping plate 350. A second threaded rod 340 is provided in the third through hole 440 with both ends extending out of the third through hole 440. Second bolts 330 are respectively sleeved on both ends of the second threaded rod 340.

[0031] Through this embodiment, the staff puts the two sub-clamps 350 together, then passes the second threaded rod 340 through the third through hole 440 on the two sub-clamps 350, and finally puts the second bolts 330 on both ends of the second threaded rod 340 and makes the second bolts 330 press against the side walls of the sub-clamps 350 to assemble the clamping plate assembly 120; when the clamping plate assembly 120 needs to be dismantled, it is only necessary to remove the second bolt 330 and then separate the two sub-clamps 350; this makes it convenient for the staff to install and disassemble the clamping plate assembly 120.

[0032] In this embodiment, a reinforcing plate 360 ​​is provided at the upper end surface of the sub-clamping plate 350 and is arranged along the length direction of the sub-clamping plate 350 .

[0033] Through this embodiment, the reinforcing plate 360 ​​enhances the overall structural strength of the sub-clamping plate 350 .

[0034] In this embodiment, the outer wall of the threaded column 150 near the first flange 420 is free of threads to form a clamping portion 240 , and the outer wall of the clamping portion 240 is provided with a plurality of planes 250 along the circumference of the threaded column 150 .

[0035] According to this embodiment, when the staff needs to rotate the threaded column 150 , the staff can rotate the threaded column 150 by clamping the wrench on the plane 250 of the clamping portion 240 , thereby facilitating the staff to rotate the threaded column 150 .

[0036] In short, the above is only a preferred embodiment of the present utility model, and all equivalent changes and modifications made according to the scope of the patent application of the present utility model should fall within the scope of the present utility model patent.

Claims

1. The suspender tensioning tooling of the mesh suspender steel box tied arch bridge is characterized by: The tooling body (100) comprises a connecting block (130) connected to a base (140), and a first connecting column (230) is provided at the upper end of the connecting block (130); a tensioning mechanism for pulling the hanging rod (170) toward the first connecting column (230) is provided at the lower end of the hanging rod (170); the tensioning mechanism comprises a clamping plate assembly (120) clamped on the hanging rod (170) and the first connecting column (230); the clamping plate assembly (120) comprises two sub-clamping plates (350); a first threaded rod (160) is provided between the two sub-clamping plates (350), and a cylinder (110) for pulling the first threaded rod (160) so that the clamping plate assembly (120) drives the hanging rod (170) to move downward is provided at the upper end of the clamping plate assembly (120) close to the hanging rod (170); A third through hole (440) is provided on the side wall of the sub-clamping plate (350) along the width direction of the sub-clamping plate (350), a second threaded rod (340) is provided in the third through hole (440) with two ends extending out of the third through hole (440), and second bolts (330) are respectively sleeved on both ends of the second threaded rod (340).

2. The hanger rod tensioning tool for the mesh hanger steel box tied arch bridge according to claim 1 is characterized in that: A first through hole (310) is provided at the clamping plate assembly (120) for a suspension rod (170) and a first connecting column (230) to pass through; a mounting column (210) is provided at one end of the suspension rod (170) passing through the first through hole (310); a mounting cavity (410) is provided in the mounting column (210); a threaded column (150) extending into the mounting cavity (410) is provided below the mounting column (210); one end of the threaded column (150) extending into the mounting cavity (410) expands outwardly along the circumferential direction to form a first flange (420); an outer wall of one end of the first connecting column (230) passing through the first through hole (310) expands outwardly along the circumferential direction to form a second flange (220); a mounting groove (430) is provided at the first connecting column (230) for the threaded column (150) to extend into, and an outer thread matching the threaded column (150) is provided on the inner wall of the mounting groove (430).

3. The hanger rod tensioning tool for the mesh hanger steel box tied arch bridge according to claim 2 is characterized in that: Second through holes (320) for the first threaded rod (160) to pass through are provided on both sides of the first through hole (310); a first bolt (450) is provided at the lower end of the first threaded rod (160) and is sleeved on the first threaded rod (160) and abuts against the clamping plate assembly (120).

4. The hanger rod tensioning tool for the mesh hanger steel box tied arch bridge according to claim 1 is characterized in that: A reinforcing plate (360) is provided at the upper end surface of the sub-clamping plate (350) and is arranged along the length direction of the sub-clamping plate (350).

5. The hanger rod tensioning tool for the mesh hanger steel box tied arch bridge according to claim 2, characterized in that: The outer wall of the threaded column (150) close to the first flange (420) is free of threads to form a clamping portion (240), and the outer wall of the clamping portion (240) is provided with a plurality of planes (250) respectively arranged along the circumference of the threaded column (150).

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