Steel tower plate unit pore plate rib assembling and positioning tool and method thereof

Abstract

The invention relates to a steel tower plate unit pore plate rib assembling and positioning tool and a method thereof. The steel tower plate unit pore plate rib assembling and positioning tool is characterized by comprising a rack, a pore plate rib rotating module and a pore plate rib connecting module; a rack is arranged at the end of a panel and used for installing a pore plate rib rotating module, and the position of a pore plate rib in the breadth direction of the panel is adjusted through a first lead screw nut pair; the pore plate rib is mounted by driving a pore plate rib grabbing plate to turn over to a vertical state through a rotating motor; the end part of the pore plate rib is flush with the end part of the panel in the length direction by a second screw-nut pair; the pore plate ribs are matched with the adjusting plates through the adjusting bolts in the height direction to adjust the height of the pore plate ribs; the device solves the problems of difficult alignment and long time consumption of manual lineation of a steel tower plate unit and reference ends of plate ribs with bolt holes, overcomes the problem that bolts cannot pass through the hole diameter due to deformation of bolt holes of the hole plate ribs after welding caused by welding seam heat effect, stress effect after cooling and the like, and is high in structure assembly precision, short in time consumption, capable of saving personnel cost and suitable for popularization and application.

Description

Technical Field

[0001] The invention relates to the technical field of bridge processing and manufacturing, and in particular to a steel tower plate unit orifice plate rib assembly positioning tool and a method thereof. Background Art

[0002] For suspension bridge towers, the wall plate unit ribs are connected by splicing plates and bolting. The accuracy of the steel tower axis is required to be 1 / 10000. The assembly accuracy of the wall plate unit ribs directly affects the matching accuracy between the steel tower segments. Manual marking and alignment of the reference ends of the ribs with bolt holes are difficult and time-consuming. In addition, the bolt holes of the ribs are usually deformed after welding due to the thermal effect of the weld and the stress after cooling, so the bolts cannot pass through the holes. Therefore, when installing the orifice plate rib, it is necessary to ensure the position and accuracy of the bolt hole group on the orifice plate rib. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a steel tower plate unit orifice plate rib assembly positioning tool and method, which can solve the problem that the plate rib bolt holes are deformed and cannot pass through the holes due to the thermal effect of the weld and the stress effect after cooling after general welding.

[0004] In order to solve the above technical problems, the technical solution of the present invention is: a steel tower plate unit orifice plate rib assembly and positioning tool, the orifice plate rib has a plurality of orifice plate ribs and is installed on a panel; its innovation lies in: comprising a frame, an orifice plate rib rotation module and an orifice plate rib connection module; The frame includes a crossbeam, a frame fixing bracket, a first screw nut pair and a movable plate; the crossbeam is horizontally arranged at the end of the panel and is parallel to the end of the panel; the frame fixing bracket and the side of the crossbeam form a U-shaped structure, and the frame fixing bracket accommodates the end of the panel and is embedded, and bolts are arranged on the frame fixing bracket to lock on the surface of the end of the panel to achieve the fixation of the crossbeam on the end of the panel; mounting plates are vertically arranged at both ends of the crossbeam, and mounting holes are arranged on the mounting plates; the first screw nut pair includes a first motor, a first screw and a first nut; the first motor The first screw is horizontally mounted on the outer side of the mounting plate, the first screw is parallel to the cross beam, and both ends of the first screw are mounted at the mounting holes of the mounting plate through slewing bearings, and the output end of the first motor is connected to the first screw; the first nut is arranged on the first screw, and the side of the first nut is connected to the movable plate; a guide groove is arranged on the upper surface of the cross beam along the extension direction, and a guide block is arranged at the bottom end of the movable plate, and the guide block at the bottom end of the movable plate is mounted in the guide groove of the cross beam; the first screw is driven to rotate by the first motor, so as to drive the movable plate connected to the first nut to reciprocate along the extension direction of the cross beam; The orifice plate rib rotating module comprises a rotating motor, a rotating plate and a rotating square shaft; the rotating motor is horizontally mounted on the moving plate, and the axis direction of the rotating motor is parallel to the mounting plate; the rotating square shaft is connected to the output end of the rotating motor; the rotating plate is vertically mounted on the rotating square shaft, and the rotating motor drives the rotating square shaft to rotate, thereby driving the rotating plate mounted on the rotating square shaft to rotate; The orifice plate rib connection module is installed on the rotating plate; the orifice plate rib connection module includes a second screw nut pair, an adjusting plate and an orifice plate rib grab plate; the second screw nut pair includes a second motor, a second screw and a second nut; the second motor is installed on the rotating plate, and the axial direction of the second motor is parallel to the axial direction of the rotating motor; the output end of the second motor is connected to the second screw; the second nut is arranged on the second screw, and the side surface of the second nut is connected to the surface of the adjusting plate, and the second screw is driven to rotate by the second motor, thereby driving the adjusting plate connected to the second nut to move horizontally; a nut which is matched with the rotating square shaft is arranged on the surface of the adjusting plate The guide sleeve is matched with the guide sleeve, and the rotating square shaft passes through the guide sleeve on the adjusting plate; a guide waist groove is arranged on the adjusting plate along the vertical direction; the orifice plate rib grab plate is parallel to the adjusting plate and is arranged close to the adjusting plate, and a guide pin is arranged on one side surface of the orifice plate rib grab plate to cooperate with the guide waist groove on the adjusting plate; a positioning pin is arranged on the other side surface of the orifice plate rib grab plate to be embedded in the bolt hole on the orifice plate rib; a threaded seat is vertically arranged on the surface of the orifice plate rib grab plate near the top, and an adjusting bolt is arranged in the threaded seat, the bottom end of the adjusting bolt is against the top of the adjusting plate, and the height of the bolt hole on the orifice plate rib to the panel is fine-tuned by rotating the adjusting bolt.

[0005] Furthermore, there is a gap between the cross beam and the end of the panel, and a limit stopper is arranged in the gap.

[0006] A method for assembling and positioning a steel tower plate unit orifice plate rib, the innovation of which is that the specific assembly and positioning method is as follows: S1: Material preparation for assembly: Place the panel and the orifice plate ribs on the assembly platform in sequence, and arrange them symmetrically at both ends of the panel based on the vertical baseline, horizontal baseline and punching point of the panel, and lock them on the panel through the rack fixing bracket; S2: placement of orifice plate ribs: first, the moving plate is driven to the orifice plate rib installation position by the first screw nut pair. At this time, the orifice plate rib grab plate is set horizontally, and the orifice plate rib is placed horizontally on the orifice plate rib grab plate with both ends placed on the orifice plate rib grab plate. The bolt holes at the ends of the orifice plate ribs accommodate the positioning pins of the orifice plate rib grab plate to be embedded; S3: Flipping of the orifice plate rib: the orifice plate rib grab plate is driven by a rotary motor to rotate 90° in a vertical plane to a vertical state; S4: Orifice plate rib length direction adjustment: The orifice plate rib is perpendicular to the panel and driven by the second screw nut pair to position the end of the orifice plate rib against the limit stopper to keep the end of the orifice plate rib flush with the end of the panel to achieve tight pressing of the orifice plate rib; S5: Orifice plate rib height direction adjustment: by screwing the adjusting bolt, the bottom end of the adjusting bolt is pressed against the top end of the adjusting plate, driving the relative sliding between the orifice plate rib grab plate and the adjusting plate, so as to achieve the height adjustment between the bolt hole on the orifice plate rib and the panel surface; S6: Welding of orifice plate ribs: The positioning welding of the orifice plate ribs and the panel is completed by the orbital welding robot. After completion, the hole group forming tooling is installed at the bolt holes of the orifice plate ribs of the formed plate unit, and the plate unit is transported to the plate unit anti-deformation robot for final welding. After welding, the plate unit is corrected on the plate unit cooling car machine, and then the hole group forming tooling is removed to complete the positioning assembly welding of the orifice plate ribs of the steel tower plate unit.

[0007] The advantages of the present invention are: 1) In the present invention, a frame is set at the end position of the panel for installing the orifice plate rib rotation module, and the position of the orifice plate rib in the width direction of the panel is adjusted by the first screw nut pair; the installation of the orifice plate rib is driven by a rotating motor to flip the orifice plate rib grab plate to a vertical state; the second screw nut pair is used to keep the end of the orifice plate rib flush with the end of the panel in the length direction; the height of the orifice plate rib is adjusted in the height direction by adjusting bolts and adjusting plates; the problems of manual marking of steel tower plate units and difficulty in aligning the reference end of the bolted orifice plate rib and long time consumption are solved, and the problem of deformation of the bolt hole of the orifice plate rib due to the thermal effect of the weld and the stress effect after cooling after welding, which makes the bolt unable to pass through the aperture, is overcome. The structure has high assembly accuracy, short time consumption, saves personnel costs, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0009] Figure 1 This is a steel tower plate unit orifice plate rib assembly positioning tooling diagram of the present invention.

[0010] Figure 2 This is another angle view of the assembly and positioning tooling for the steel tower plate unit orifice plate ribs of the present invention.

[0011] Figure 3 The present invention is a flow chart of a method for assembling and positioning a steel tower plate unit orifice plate rib. DETAILED DESCRIPTION

[0012] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0013] 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 invention claimed for protection, 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.

[0014] like Figures 1 to 3 The steel tower plate unit orifice plate rib assembly and positioning tool shown in the figure has a plurality of orifice plate ribs 4 installed on a panel 5; it includes a frame 1, an orifice plate rib rotation module 2 and an orifice plate rib connection module 3.

[0015] The frame 1 includes a crossbeam 11, a frame fixing bracket 12, a first screw nut pair 13 and a movable plate 14; the crossbeam 11 is horizontally arranged at the end of the panel 5 and is parallel to the end of the panel 5; the frame fixing bracket 12 and the side of the crossbeam 11 form a U-shaped structure, and the frame fixing bracket 12 accommodates the end of the panel 5 to be embedded, and bolts are arranged on the frame fixing bracket 12 to be locked on the surface of the end of the panel 5 to achieve the fixation of the crossbeam 22 on the end of the panel; mounting plates 15 are respectively vertically arranged at both ends of the crossbeam 22, and mounting holes are arranged on the mounting plates 15; the first screw nut pair 13 includes a first motor 131, a first screw 132 and a first nut 133; the first motor 131 is horizontally mounted on On the outside of the mounting plate 15, the first screw rod 132 is parallel to the cross beam 11, and both ends of the first screw rod 132 are installed at the mounting holes of the mounting plate 15 through slewing bearings, and the output end of the first motor 131 is connected to the first screw rod 132; the first nut 133 is arranged on the first screw rod 132, and the side of the first nut 133 is connected to the movable plate 14; a guide groove is arranged on the upper surface of the cross beam 11 along the extension direction, and a guide block is arranged at the bottom end of the movable plate 14, and the guide block at the bottom end of the movable plate 14 is installed in the guide groove of the cross beam 11; the first screw rod 132 is driven to rotate by the first motor 131, so as to drive the movable plate 14 connected to the first nut 133 to move back and forth along the extension direction of the cross beam 11.

[0016] The orifice plate rib rotating module 2 includes a rotating motor 21, a rotating plate 22 and a rotating square shaft 23; the rotating motor 21 is horizontally installed on the moving plate 14, and the axial direction of the rotating motor 21 is parallel to the mounting plate 15; the rotating square shaft 23 is connected to the output end of the rotating motor 21; the rotating plate 22 is vertically arranged on the rotating square shaft 23, and the rotating square shaft 23 is driven to rotate by the rotating motor 21, thereby driving the rotating plate 22 installed on the rotating square shaft 23 to rotate.

[0017] The orifice plate rib connection module 3 is installed on the rotating plate 22; the orifice plate rib connection module 3 includes a second screw nut pair 31, an adjustment plate 32 and an orifice plate rib grab plate 33; the second screw nut pair 31 includes a second motor 311, a second screw 312 and a second nut 313; the second motor 311 is installed on the rotating plate 22, and the axial direction of the second motor 311 is parallel to the axial direction of the rotating motor 21; the output end of the second motor 311 is connected to the second screw 312; the second nut 313 is arranged on the second screw 312, and the side of the second nut 311 is connected to the surface of the adjustment plate 32, and the second screw 312 is driven to rotate by the second motor 311, so as to drive the adjustment plate 32 connected to the second nut 313 to move horizontally; the adjustment plate 32 A guide sleeve that cooperates with the rotating square shaft is provided on the surface, and the rotating square shaft 23 passes through the guide sleeve on the adjusting plate 32; a guide waist groove is provided on the adjusting plate 32 along the vertical direction; the orifice plate rib grab plate 33 is parallel to the adjusting plate 32 and is arranged close to the adjusting plate 32, and a guide pin that cooperates with the guide waist groove on the adjusting plate 32 is provided on the surface of the orifice plate rib grab plate 33 on one side; a positioning pin that is embedded in the bolt hole on the orifice plate rib 4 is provided on the surface of the orifice plate rib grab plate 33 on the other side; a threaded seat is vertically provided on the surface of the orifice plate rib grab plate 33 near the top, and an adjusting bolt 34 is provided in the threaded seat, and the bottom end of the adjusting bolt 34 is against the top of the adjusting plate 32, and the height of the bolt hole on the orifice plate rib 4 to the panel is fine-tuned by rotating the adjusting bolt 34.

[0018] There is a gap between the cross beam 11 and the end of the panel 5, and a limit stopper 16 is arranged in the gap.

[0019] A method for assembling and positioning a steel tower plate unit orifice plate rib, the specific assembly and positioning method is as follows: S1: Material preparation for assembly: Place the panel and the orifice plate ribs on the assembly platform in sequence, and arrange them symmetrically at both ends of the panel based on the vertical baseline, horizontal baseline and punching point of the panel, and lock them on the panel through the rack fixing bracket.

[0020] S2: Placement of orifice plate rib: firstly, the moving plate is driven to the orifice plate rib installation position by the first screw nut pair. At this time, the orifice plate rib grab plate is set horizontally, and the orifice plate rib is placed horizontally on the orifice plate rib grab plate with both ends placed on the orifice plate rib grab plate. The bolt holes at the ends of the orifice plate rib accommodate the positioning pins of the orifice plate rib grab plate to be embedded.

[0021] S3: Flipping of the orifice plate rib: The orifice plate rib grab plate is driven by a rotary motor to rotate 90° in a vertical plane to a vertical state.

[0022] S4: Adjustment of the length direction of the orifice plate rib: The orifice plate rib is perpendicular to the panel and driven by the second screw nut pair to position the end of the orifice plate rib against the limit block to keep the end of the orifice plate rib flush with the end of the panel to achieve tightening of the orifice plate rib.

[0023] S5: Orifice plate rib height direction adjustment: By turning the adjusting bolt, the bottom end of the adjusting bolt presses against the top end of the adjusting plate, driving the relative sliding between the orifice plate rib grab plate and the adjusting plate, and realizing the height adjustment between the bolt hole on the orifice plate rib and the panel surface.

[0024] S6: Welding of orifice plate ribs: The positioning welding of the orifice plate ribs and the panel is completed by the orbital welding robot. After completion, the hole group shaping tooling is installed at the bolt holes of the orifice plate ribs of the formed plate unit, and the plate unit is transported to the plate unit anti-deformation robot for final welding. After welding, the plate unit is corrected on the plate unit cooling car machine, and then the hole group shaping tooling is removed to complete the positioning assembly welding of the orifice plate ribs of the steel tower plate unit. The technicians in this industry should understand that the present invention is not limited to the above-mentioned embodiments. The above-mentioned embodiments and the description only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the invention to be protected.

Claims

1. A steel tower plate unit orifice plate rib assembly and positioning tool, the orifice plate ribs have a plurality of orifice plate ribs and are installed on a panel; characterized in that: It includes a frame, a perforated plate rib rotating module and a perforated plate rib connecting module; The frame includes a crossbeam, a frame fixing bracket, a first screw nut pair and a movable plate; the crossbeam is horizontally arranged at the end of the panel and is parallel to the end of the panel; the frame fixing bracket and the side of the crossbeam form a U-shaped structure, and the frame fixing bracket accommodates the end of the panel and is embedded, and bolts are arranged on the frame fixing bracket to lock on the surface of the end of the panel to achieve the fixation of the crossbeam on the end of the panel; mounting plates are vertically arranged at both ends of the crossbeam, and mounting holes are arranged on the mounting plates; the first screw nut pair includes a first motor, a first screw and a first nut; the first motor The first screw is horizontally mounted on the outer side of the mounting plate, the first screw is parallel to the cross beam, and both ends of the first screw are mounted at the mounting holes of the mounting plate through slewing bearings, and the output end of the first motor is connected to the first screw; the first nut is arranged on the first screw, and the side of the first nut is connected to the movable plate; a guide groove is arranged on the upper surface of the cross beam along the extension direction, and a guide block is arranged at the bottom end of the movable plate, and the guide block at the bottom end of the movable plate is mounted in the guide groove of the cross beam; the first screw is driven to rotate by the first motor, so as to drive the movable plate connected to the first nut to reciprocate along the extension direction of the cross beam; The orifice plate rib rotating module comprises a rotating motor, a rotating plate and a rotating square shaft; the rotating motor is horizontally mounted on the moving plate, and the axis direction of the rotating motor is parallel to the mounting plate; the rotating square shaft is connected to the output end of the rotating motor; the rotating plate is vertically mounted on the rotating square shaft, and the rotating motor drives the rotating square shaft to rotate, thereby driving the rotating plate mounted on the rotating square shaft to rotate; The orifice plate rib connection module is mounted on the rotating plate; the orifice plate rib connection module includes a second screw rod and nut pair, an adjustment plate and an orifice plate rib grab plate; the second screw rod and nut pair includes a second motor, a second screw rod and a second nut; The second motor is mounted on the rotating plate, and the axial direction of the second motor is parallel to the axial direction of the rotating motor; the output end of the second motor is connected to the second screw; the second nut is arranged on the second screw, and the side surface of the second nut is connected to the surface of the adjusting plate, and the second screw is driven to rotate by the second motor, so as to drive the adjusting plate connected to the second nut to move horizontally; a guide sleeve matching with the rotating square shaft is arranged on the surface of the adjusting plate, and the rotating square shaft passes through the guide sleeve arrangement on the adjusting plate; a guide waist groove is arranged on the adjusting plate along the vertical direction; the orifice plate rib grab plate is parallel to the adjusting plate and is arranged close to the adjusting plate, and a guide pin matching with the guide waist groove on the adjusting plate is arranged on one side surface of the orifice plate rib grab plate; a positioning pin embedded in the bolt hole on the orifice plate rib is arranged on the other side surface of the orifice plate rib grab plate; a threaded seat is vertically arranged on the surface of the orifice plate rib grab plate near the top, and an adjusting bolt is arranged in the threaded seat, and the bottom end of the adjusting bolt is against the top of the adjusting plate, and the height of the bolt hole on the orifice plate rib to the panel is fine-tuned by rotating the adjusting bolt.

2. The steel tower plate unit orifice plate rib assembly and positioning tool according to claim 1, characterized in that: There is a gap between the cross beam and the end of the panel, and a limit stopper is arranged in the gap.

3. A method for assembling and positioning a steel tower plate unit orifice plate rib, characterized in that: The specific assembly positioning method is as follows: S1: Material preparation for assembly: Place the panel and the orifice plate ribs on the assembly platform in sequence, and arrange them symmetrically at both ends of the panel based on the vertical baseline, horizontal baseline and punching point of the panel, and lock them on the panel through the rack fixing bracket; S2: placement of orifice plate ribs: first, the moving plate is driven to the orifice plate rib installation position by the first screw nut pair. At this time, the orifice plate rib grab plate is set horizontally, and the orifice plate rib is placed horizontally on the orifice plate rib grab plate with both ends placed on the orifice plate rib grab plate. The bolt holes at the ends of the orifice plate ribs accommodate the positioning pins of the orifice plate rib grab plate to be embedded; S3: Flipping of the orifice plate rib: The orifice plate rib grab plate is driven by a rotary motor to rotate 90° in a vertical plane to a vertical state; S4: Orifice plate rib length direction adjustment: The orifice plate rib is perpendicular to the panel and driven by the second screw nut pair to position the end of the orifice plate rib against the limit stopper to keep the end of the orifice plate rib flush with the end of the panel to achieve tight pressing of the orifice plate rib; S5: Orifice plate rib height direction adjustment: by screwing the adjusting bolt, the bottom end of the adjusting bolt is pressed against the top end of the adjusting plate, driving the relative sliding between the orifice plate rib grab plate and the adjusting plate, so as to achieve the height adjustment between the bolt hole on the orifice plate rib and the panel surface; S6: Welding of orifice plate ribs: The positioning welding of the orifice plate ribs and the panel is completed by the orbital welding robot. After completion, the hole group forming tooling is installed at the bolt holes of the orifice plate ribs of the formed plate unit, and the plate unit is transported to the plate unit anti-deformation robot for final welding. After welding, the plate unit is corrected on the plate unit cooling car machine, and then the hole group forming tooling is removed to complete the positioning assembly welding of the orifice plate ribs of the steel tower plate unit.

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