Auxiliary penetrating-out tool structure for drain pipe of box-shaped beam of truss girder bridge

Abstract

The utility model relates to a tool structure for assisting a drain pipe of a box-shaped beam of a truss girder bridge to penetrate out. A preset hole group is formed in the position, close to the end, of the drain pipe in the direction perpendicular to the axis. A through hole through which the drain pipe penetrates is formed in the box-shaped cross beam; the device is characterized by comprising a magnetic cushion block group, a hydraulic cylinder group, a traction cross beam, a centering traction head and a telescopic bolt, the utility model solves the problems that the concentric weep hole on the web plate of the beam is eccentric and the drain pipe is difficult to penetrate out of the weep hole due to welding deformation and storage downwarping of the weep hole of the box-type beam; by adopting the penetrating tool structure, the labor intensity of personnel is reduced, and the construction progress is accelerated; the device is simple in structure, low in cost and suitable for popularization and use.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge steel structures, in particular to an auxiliary passing-out tooling structure for drainage pipes of a box-shaped crossbeam of a truss bridge. Background Art

[0002] The concentric drain holes on the web of the box beam are eccentric due to welding deformation and storage deflection, making it difficult for the drain pipe to be penetrated manually, which increases the labor intensity, affects the construction progress, and increases the cost investment. Since the drain hole and the drain pipe are matched with a small gap without interference, it can only be penetrated by rigid centering and then increasing external force. The technical difficulties are: first, which centering device is suitable for this working condition; second, the friction between the drain hole and the drain pipe will damage the surface of the drain pipe material; third, the selection of the external force lever point, and the deformation control of the steel beam after successfully penetrating the drain pipe. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an auxiliary tooling structure for passing out drainage pipes of a box-shaped cross beam of a truss bridge, which can solve the problem of inconvenient installation of drainage pipes of a box-shaped cross beam of a truss bridge.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a truss bridge box beam drainage pipe auxiliary penetration tooling structure, the drainage pipe is provided with a preset hole group near the end position perpendicular to the axis direction; the box beam is provided with a through hole for accommodating the drainage pipe to pass through; its innovative point is: it includes a magnetic pad group, a hydraulic cylinder group, a traction beam, a centering traction head and a telescopic bolt;

[0005] The magnetic pad group includes a pair of magnetic pad units, and the magnetic pad units are respectively adsorbed and arranged on both sides of the through hole on the box-shaped crossbeam;

[0006] The hydraulic cylinder group includes a pair of hydraulic cylinder units, and the hydraulic cylinder units are respectively arranged on the surface of the magnetic pad unit;

[0007] The traction crossbeam is arranged parallel to the box-shaped crossbeam, and the traction crossbeam intersects with the extension position of one end of the through hole, and a first arc-shaped buckle matched with the telescopic bolt is arranged on the traction crossbeam; the extension direction of the traction crossbeam is consistent with the distribution direction of the magnetic pad unit, and the output end of the hydraulic cylinder unit is connected to the traction crossbeam;

[0008] The end of the centering traction head is in a truncated cone structure, and a second arc-shaped buckle is provided at the end position; a spring pin is provided on the circumference of the centering traction head near the tail end position, and the concentric assembly of the centering traction head and the drainage pipe is achieved by the spring pin and the preset hole group at the end of the drainage pipe.

[0009] The telescopic bolt includes a screw rod and a threaded sleeve; the screw rod and the threaded sleeve are threadedly matched, one end of the screw rod is provided with a second hook, and the second hook is matched with the second arc buckle on the centering traction head; one end of the threaded sleeve is provided with a first hook, and the first hook is matched with the first arc buckle on the traction beam; the traction beam is driven by the hydraulic cylinder group, and then the traction beam drives the telescopic bolt to drive the drainage pipe connected to the centering traction head to pass through the through hole on the box-shaped beam.

[0010] Furthermore, graphite powder is coated on the outer contour of the drainage pipe where it fits with the through hole on the box-shaped crossbeam.

[0011] Furthermore, a plate-shaped frame is connected to the side of the traction beam, and one side of the plate-shaped frame is connected to the magnetic pad unit; a guide groove and a guide block are provided at the junction of the plate-shaped frame and the traction beam, and the position guidance and limitation of the traction beam are achieved through the cooperation of the guide groove and the guide block.

[0012] The advantages of the utility model are:

[0013] 1) The utility model solves the problem that the concentric drain holes on the web of the box-type crossbeam are eccentric due to welding deformation and storage deflection, making it difficult for the drain pipe to pass through the drain hole; the use of the tooling structure reduces the labor intensity of personnel and improves the construction progress; the utility model has a simple structure, low cost, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0015] Figure 1 The utility model is a schematic diagram of the auxiliary outlet tooling structure of the drainage pipe of a truss bridge box beam.

[0016] Figure 2 It is a partial schematic diagram of the auxiliary outlet tooling structure of the drainage pipe of a truss bridge box-shaped crossbeam of the utility model. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] like Figure 1 Figure 2 The structure shown is a tooling structure for auxiliary outlet of a drainage pipe of a box-shaped crossbeam of a truss bridge, wherein a preset hole group is opened on the drainage pipe near the end position perpendicular to the axial direction; a through hole for accommodating the drainage pipe to pass through is opened on the box-shaped crossbeam; the structure includes a magnetic pad group 1, a hydraulic cylinder group 2, a traction crossbeam 3, a centering traction head 4 and a telescopic bolt 5.

[0020] The magnetic pad group 1 includes a pair of magnetic pad units, and the magnetic pad units are respectively adsorbed and arranged on both sides of the through hole on the box-shaped crossbeam.

[0021] The hydraulic cylinder group 2 includes a pair of hydraulic cylinder units, and the hydraulic cylinder units are respectively arranged on the surfaces of the magnetic pad units.

[0022] The traction beam 3 is arranged parallel to the box-shaped beam, and the traction beam 3 intersects with the extended position of one end of the through hole. The traction beam 3 is provided with a first arc buckle that cooperates with the telescopic bolt; the extension direction of the traction beam is consistent with the distribution direction of the magnetic pad unit, and the output end of the hydraulic cylinder unit is connected to the traction beam 3.

[0023] The end of the centrifugal traction head 4 is in a truncated cone-shaped structure, and a second arc-shaped buckle is provided at the end position; a spring pin is provided on the circumference of the centrifugal traction head 4 near the tail end, and the concentric assembly of the centrifugal traction head 4 and the drainage pipe is realized by cooperating with the preset hole group at the end of the drainage pipe.

[0024] The telescopic bolt 5 includes a screw rod and a threaded sleeve; the screw rod and the threaded sleeve are matched by threads, and a second hook is provided at one end of the screw rod, and the second hook is matched with the second arc buckle on the centering traction head; a first hook is provided at one end of the threaded sleeve, and the first hook is matched with the first arc buckle on the traction beam 3; the traction beam 3 is driven by the hydraulic cylinder group 2, and then the traction beam 3 drives the telescopic bolt 5, so as to drive the drainage pipe connected to the centering traction head 4 to pass through the through hole on the box-shaped beam.

[0025] Graphite powder is applied on the outer contour of the drainage pipe where it fits with the through hole on the box-shaped crossbeam.

[0026] A plate-shaped frame 6 is connected to the side of the traction beam 3, and one side of the plate-shaped frame 6 is connected to the magnetic pad unit; a guide groove and a guide block are provided at the junction of the plate-shaped frame 6 and the traction beam, and the position guidance and limitation of the traction beam 3 are achieved through the cooperation of the guide groove and the guide block.

[0027] The working principle of the utility model is that the traction beam is driven by the hydraulic cylinder group, and then the traction beam drives the telescopic bolt to drive the drainage pipe connected with the centering traction head to pass through the through hole on the box-shaped beam.

[0028] Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A truss bridge box beam drainage pipe auxiliary passing tooling structure, the drainage pipe is provided with a preset hole group near the end position perpendicular to the axis direction; the box beam is provided with a through hole for accommodating the drainage pipe to pass through; the characteristics are: It includes a magnetic pad group, a hydraulic cylinder group, a traction beam, a centering traction head and a telescopic bolt; The magnetic pad group includes a pair of magnetic pad units, and the magnetic pad units are respectively adsorbed and arranged on both sides of the through hole on the box-shaped crossbeam; The hydraulic cylinder group includes a pair of hydraulic cylinder units, and the hydraulic cylinder units are respectively arranged on the surface of the magnetic pad unit; The traction crossbeam is arranged parallel to the box-shaped crossbeam, and the traction crossbeam intersects with the extension position of one end of the through hole, and a first arc-shaped buckle matched with the telescopic bolt is arranged on the traction crossbeam; the extension direction of the traction crossbeam is consistent with the distribution direction of the magnetic pad unit, and the output end of the hydraulic cylinder unit is connected to the traction crossbeam; The end of the centering traction head is in a truncated cone structure, and a second arc-shaped buckle is provided at the end position; a spring pin is provided on the circumference of the centering traction head near the tail end position, and the concentric assembly of the centering traction head and the drainage pipe is achieved by the spring pin and the preset hole group at the end of the drainage pipe. The telescopic bolt includes a screw rod and a threaded sleeve; the screw rod and the threaded sleeve are threadedly matched, one end of the screw rod is provided with a second hook, and the second hook is matched with the second arc buckle on the centering traction head; one end of the threaded sleeve is provided with a first hook, and the first hook is matched with the first arc buckle on the traction beam; the traction beam is driven by the hydraulic cylinder group, and then the traction beam drives the telescopic bolt to drive the drainage pipe connected to the centering traction head to pass through the through hole on the box-shaped beam.

2. The auxiliary outlet tooling structure for drainage pipes of a truss bridge box beam according to claim 1, characterized in that: Graphite powder is smeared on the outer contour of the drainage pipe where it fits with the through hole on the box-shaped crossbeam.

3. The auxiliary outlet tooling structure for drainage pipes of a truss bridge box beam according to claim 1, characterized in that: A plate-shaped frame is connected to the side of the traction beam, and one side of the plate-shaped frame is connected to the magnetic pad unit; a guide groove and a guide block are provided at the junction of the plate-shaped frame and the traction beam, and the position guidance and limitation of the traction beam are achieved through the cooperation of the guide groove and the guide block.

Images