CN111774799B - Assembly tool for welding box beam splicing structure frame - Google Patents
Assembly tool for welding box beam splicing structure frame Download PDFInfo
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- CN111774799B CN111774799B CN202010765813.5A CN202010765813A CN111774799B CN 111774799 B CN111774799 B CN 111774799B CN 202010765813 A CN202010765813 A CN 202010765813A CN 111774799 B CN111774799 B CN 111774799B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model provides a box girder grafting structure framework welding is with group pair frock relates to rail vehicle framework welding technical field, and it includes workstation, two slip tables, crossbeam centering device, framework transverse dimension detection device and two curb girder adjustment and locking device. The fixture adopts the locating pin and the beam centering device to respectively locate the side beam and the beam, and a locating stop block is not arranged, so that the side beam and the side beam are convenient to fall on the fixture; meanwhile, the interference with the tool caused by the dimensional deviation of the cross beam and the side beam is avoided. The tool adopts the beam centering device, so that the position of the beam can be conveniently and rapidly determined; the sliding table is adopted, so that the position of the side beam can be conveniently adjusted, the assembly efficiency of the framework is greatly improved, the labor intensity of workers is reduced, and the assembly efficiency of the framework is improved. The tool can ensure that the longitudinal center line of the side beam is always positioned in the vertical plane of the framework, and improves the assembly accuracy of the framework.
Description
Technical Field
The invention relates to the technical field of welding of railway vehicle frameworks, in particular to a pairing tool for welding a box girder splicing structure framework.
Background
As shown in FIG. 1, the frame 6 is mainly formed by splicing and welding two side beams 6-1 and two cross beams 6-2, the two side beams 6-1 are symmetrically arranged, the two cross beams 6-2 are symmetrically arranged, and a side beam guide post hole 6-1-1 is respectively arranged at the central position of the two side beams 6-1.
Most of the existing framework welding sets are positioned by a plurality of positioning stop blocks, and position adjustment and compaction are carried out by combining a screw mechanism. In order to improve the accuracy of location, the location dog quantity on the group pair frock is very much, and the position is basically fixed. When the frameworks 6 are assembled, the situation that the cross beam 6-2, the side beam 6-1 interfere with the fixture positioning stop block or deviate from the positioning stop block occurs due to the size deviation of the cross beam 6-2 and the side beam 6-1, so that the assembly precision of the frameworks 6 is affected, and the production efficiency and the positioning precision of the fixture are also affected; in addition, because the cross beam 6-2 and the side beam 6-1 have larger mass, the screw rod is used for adjusting the positions of the cross beam and the side beam, so that the labor intensity is high and the efficiency is low.
The sagging surface in the present invention means a sectional plane that can symmetrically divide an object having a symmetrical structure into two parts that are mirror images of each other. Thus, the plane in which the transverse centerline of the symmetrical structure lies is defined as the transverse median plane, the plane in which the longitudinal centerline of the symmetrical structure lies is defined as the longitudinal median plane, and the intersection of the transverse median plane and the longitudinal median plane passes through the center of the symmetrical structure.
Disclosure of Invention
The invention provides a pairing tool for welding a box beam splicing structure framework, which aims to solve the technical problems that the pairing precision is affected due to the fact that the number of positioning check blocks is large and interference with a framework beam longitudinal beam frequently occurs, and the labor intensity is high and the efficiency is low due to the fact that a screw is simply used for adjusting the positions of a beam and a side beam with large mass.
The technical scheme adopted for solving the technical problems is as follows:
The assembling tool for welding the box beam splicing structure framework comprises a workbench, two sliding tables, a beam centering device, a framework transverse dimension detection device and two side beam adjusting and locking devices, wherein the two sliding tables are symmetrically fixed at two ends of the workbench along the transverse center line of the workbench, are used for positioning the two side beams of the framework, and move the positions of the two side beams along the longitudinal center line direction of the workbench; the beam centering device is fixed in the middle of the workbench and is used for positioning the distance between two beams of the framework and the vertical plane in the longitudinal direction of the framework; the framework transverse dimension detection devices are fixed on two sides of the middle part of the workbench, the edges of the detection ruler of the framework transverse dimension detection devices are positioned in the transverse middle vertical plane of the workbench, and the framework transverse dimension detection devices are used for detecting the transverse position dimensions of all parts on the two side beams; the two side beam adjusting and locking devices are symmetrically fixed at two ends of the workbench along the transverse center line of the workbench, are positioned at two sides of the two sliding tables in one-to-one correspondence, and are used for adjusting the transverse positions of the two side beams in one-to-one correspondence and locking and fixing; the longitudinal center line of the workbench, the longitudinal center lines of the two sliding tables and the longitudinal center line of the beam centering device are all positioned in the longitudinal middle vertical plane of the workbench.
The sliding table comprises a side beam mounting seat, a plurality of height-adjustable supporting seats, a positioning pin and two sliding rails, wherein the two sliding rails are fixedly connected to the workbench parallel to the longitudinal center line of the side beam mounting seat; the bottoms of the plurality of height-adjustable supporting seats are symmetrically fixed on the upper end face of the side beam installation seat, the bottoms of the positioning pins are fixed on the upper end face of the side beam installation seat, the central axis of the positioning pins is positioned in the vertical middle plane of the workbench, and the diameter of the positioning pins is smaller than the aperture of the side beam guide pillar hole by 1mm.
The beam centering device comprises two sets of positioning mechanisms which are symmetrically arranged, wherein each set of positioning mechanism comprises a concave-shaped base, two jacking sliding blocks, a handle and a screw rod, the concave-shaped base is fixed on a workbench, and a through slideway is arranged on the upper part of the concave-shaped base along the transverse central line direction of the workbench; the two jacking sliding blocks are symmetrically arranged in the slideway, and the two jacking sliding blocks are provided with internal threads along the transverse central line direction of the workbench; the handle is arranged in the groove of the concave-shaped base and is fixed at the center of the screw rod; external threads with opposite directions and same thread pitches are arranged at two ends of the screw rod, and the two ends of the screw rod are in threaded connection with the two propping sliding blocks in a one-to-one correspondence manner; the radial center lines of the screws of the two sets of positioning mechanisms are collinear and are positioned in the vertical middle plane of the workbench.
The transverse dimension detection device of the framework comprises a detection ruler and two supporting seats, wherein the two supporting seats are symmetrically fixed on the workbench along the vertical middle plane of the workbench, and the detection ruler is arranged at the top ends of the two supporting seats.
The side beam adjusting and locking device comprises a sliding table limiting puller and at least two side beam limiting lifters, wherein the sliding table limiting puller is fixed on the workbench and is positioned on the outer side of the sliding table, and the side beam limiting lifters are fixed on the workbench and are positioned on the inner side of the sliding table.
The sliding table limiting puller and the side beam limiting puller are screw mechanisms formed by bolts and nuts.
The beneficial effects of the invention are as follows:
1) The fixture adopts the locating pin and the beam centering device to respectively locate the side beam and the beam, and a locating stop block is not arranged, so that the side beam and the side beam are convenient to fall on the fixture; meanwhile, the interference with the tool caused by the dimensional deviation of the cross beam and the side beam is avoided.
2) The tool adopts the beam centering device, so that the position of the beam can be conveniently and rapidly determined; the sliding table is adopted, so that the position of the side beam can be conveniently adjusted, the assembly efficiency of the framework is greatly improved, the labor intensity of workers is reduced, and the assembly efficiency of the framework is improved.
3) The tool can ensure that the longitudinal center line of the side beam is always positioned in the vertical plane of the framework, and improves the assembly accuracy of the framework.
Drawings
Fig. 1 is a schematic structural view of a conventional box girder plugging structural frame.
Fig. 2 is a schematic structural view of a pairing tool for welding a box beam splicing structure frame of the invention.
Fig. 3 is a schematic view of a partial cross-sectional structure of a beam centering device in the present invention.
Fig. 4 is a schematic structural diagram of the assembly fixture for welding the box beam splicing structure frame and the assembled cross beam.
Fig. 5 is a schematic view of a side member placed on the structure shown in fig. 4.
Fig. 6 is a schematic structural diagram of the assembly fixture for welding the box beam splicing structure frame of the present invention after being rigidly assembled with a beam longitudinal beam.
Detailed Description
The invention will be described in further detail with reference to the drawings and examples.
As shown in fig. 2 to 6, the pairing tool for welding the box girder insertion structure frame of the present invention includes: the device comprises a workbench 1, two sliding tables 2, a beam centering device 3, a framework transverse dimension detecting device 4 and two side beam adjusting and locking devices 5, wherein the two sliding tables 2 are symmetrically fixed at two ends of the workbench 1 along the transverse center line of the workbench 1, the two sliding tables 2 are used for positioning the two side beams 6-1 of the framework 6 and moving the positions of the two side beams 6-1 along the longitudinal center line direction of the workbench 1; the beam centering device 3 is fixed in the middle of the workbench 1 and is used for positioning the distance between two beams 6-2 of the framework 6 and the vertical plane in the longitudinal direction of the framework 6; the framework transverse dimension detection devices 4 are fixed on two sides of the middle part of the workbench 1, the edges of the detection ruler of the framework transverse dimension detection devices 4 are positioned in the transverse middle vertical plane of the workbench 1, and the framework transverse dimension detection devices 4 are used for detecting the transverse position dimensions of all parts on the two side beams 6-1; the two side beam adjusting and locking devices 5 are symmetrically fixed at two ends of the workbench 1 along the transverse center line of the workbench 1, the two side beam adjusting and locking devices 5 are positioned at two sides of the two sliding tables 2 in one-to-one correspondence, and the two side beam adjusting and locking devices 5 are used for adjusting the transverse positions of the two side beams 6-1 in one-to-one correspondence and locking and fixing; the longitudinal center line of the workbench 1, the longitudinal center lines of the two sliding tables 2 and the longitudinal center line of the beam centering device 3 are all positioned in the longitudinal middle vertical plane of the workbench 1.
The sliding table 2 comprises a side beam mounting seat 2-1, a plurality of height-adjustable supporting seats 2-2, a locating pin 2-3 and two sliding rails 2-4, wherein the two sliding rails 2-4 are fixedly connected to the workbench 1 parallel to the longitudinal center line of the side beam mounting seat 2-1, the longitudinal center line of the side beam mounting seat 2-1 is the longitudinal center line of the sliding table 2, and a plurality of sliding blocks in sliding connection with the two sliding rails 2-4 are respectively arranged on two sides of the lower end surface of the side beam mounting seat 2-1; the bottoms of the plurality of height-adjustable supporting seats 2-2 are symmetrically fixed on the upper end face of the side beam installation seat 2-1, the bottoms of the positioning pins 2-3 are fixed on the upper end face of the side beam installation seat 2-1, the central axis of the positioning pins 2-3 is positioned in the vertical middle vertical plane of the workbench 1, and the diameter of the positioning pins 2-3 is smaller than the aperture of the side beam guide post hole 6-1 by at most 1mm.
The beam centering device 3 comprises two sets of positioning mechanisms which are symmetrically arranged, each set of positioning mechanism comprises a concave-shaped base 3-1, two jacking sliding blocks 3-2, a handle 3-3 and a screw rod 3-4, the concave-shaped base 3-1 is fixed on the workbench 1, and a through slideway 3-1-1 is arranged at the upper part of the concave-shaped base 3-1 along the transverse central line direction of the workbench 1; the two jacking sliding blocks 3-2 are symmetrically arranged in the slideway 3-1-1, and the two jacking sliding blocks 3-2 are provided with internal threads along the transverse central line direction of the workbench 1; the handle 3-3 is arranged in a groove of the concave-shaped base 3-1, and the handle 3-3 is fixed at the center of the screw 3-4; external threads with opposite directions and same thread pitches are arranged at two ends of the screw rod 3-4, and two ends of the screw rod 3-4 are in one-to-one correspondence with the two jacking sliding blocks 3-2 in threaded connection; the radial center lines of the screw rods 3-4 of the two sets of positioning mechanisms are collinear and are positioned in the vertical middle plane of the workbench 1.
The framework transverse dimension detection device 4 comprises a detection ruler 4-1 and two supporting seats 4-2, wherein the two supporting seats 4-2 are symmetrically fixed on the workbench 1 along the longitudinal middle vertical plane of the workbench 1, and the detection ruler 4-1 is arranged at the top ends of the two supporting seats 4-2.
The side beam adjusting and locking device 5 comprises a sliding table limiting puller 5-1 and at least two side beam limiting puller 5-2, wherein the sliding table limiting puller 5-1 is fixed on the workbench 1 and is positioned on the outer side of the sliding table 2, and the side beam limiting puller 5-2 is fixed on the workbench 1 and is positioned on the inner side of the sliding table 2. The sliding table limiting puller 5-1 and the side beam limiting puller 5-2 are screw mechanisms formed by bolts and nuts.
The assembling tool for welding the box beam splicing structure frame comprises the following using processes: the two cross beams 6-2 are firstly spot-welded into a rectangular structural beam before assembly, then the rectangular structural beam is arranged on a workbench 1 of the tool, the two handles 3-3 of the cross beam centering device 3 are synchronously rotated, the two groups of tightening sliding blocks 3-2 are pushed to move in the respective slide ways 3-1-1 through the two screw rods 3-4 along the transverse central line direction of the workbench 1, the inner end surfaces of the two cross beams 6-2 are tightly tightened to enable the two cross beams to be placed in the middle, and at the moment, the longitudinal central line of the rectangular structural beam formed by the two cross beams 6-2 is the longitudinal central line of the framework 6, namely shown in fig. 4. Then, according to the drawings of the side beams and the cross beams, the supporting heights of the plurality of height-adjustable supporting seats 2-2 are adjusted, the two side beams 6-1 are respectively arranged on the four height-adjustable supporting seats 2-2 of the two sets of sliding tables 2 in a falling mode, the two locating pins 2-3 are correspondingly inserted into the two side beam guide post holes 6-1-1 and are in clearance fit with the two side beam guide post holes, the fit clearance is smaller than 0.5mm, and at the moment, the longitudinal center lines of the two side beams 6-1 are coincident with the longitudinal center line of the framework 6, namely, the two locating pins are shown in fig. 5. The sliding table 2 is pushed along the sliding rail 2-4 to enable the inner vertical plate of the side beam 6-1 to be attached to the vertical plate end face of the cross beam 6-2. Then, the detection rule 4-1 of the framework transverse dimension detection device 4 on the tool is matched with the tape measure to detect whether the transverse dimension of the center distance of the cap barrel on the two side beams 6-1 from the edge of the detection rule 4-1 accords with the dimension of the cap barrel center on the drawing of the framework 6 from the framework transverse center line, the position of the side beam 6-1 is adjusted through the sliding table 2 until the detection dimension is qualified, and the sliding table limit puller 5-1 and the side beam limit puller 5-2 of the side beam adjustment and locking device 5 lock the two sliding tables 2 and the side beam 6-1, so that the assembly of the side beam 6-1 and the cross beam 6-2 is completed, namely as shown in fig. 6.
By utilizing the assembly tooling for welding the box beam splicing structure framework, the framework assembly precision is high, the working strength of workers is reduced, the rapid and accurate assembly can be provided for the positioning welding between the subsequent beam side beams, and the welding quality and the welding efficiency are improved.
Claims (4)
1. The assembly tooling for welding the box-type beam splicing structure framework is characterized by comprising a workbench (1), two sliding tables (2), a beam centering device (3), a framework transverse dimension detection device (4) and two side beam adjusting and locking devices (5), wherein the two sliding tables (2) are symmetrically fixed at two ends of the workbench (1) along the transverse center line of the workbench (1), the two sliding tables (2) are used for positioning the two side beams (6-1) of the framework (6) and moving the positions of the two side beams (6-1) along the longitudinal center line direction of the workbench (1); the beam centering device (3) is fixed in the middle of the workbench (1) and is used for positioning the distance between two beams (6-2) of the framework (6) and the vertical plane in the longitudinal direction of the framework (6); the framework transverse dimension detection devices (4) are fixed on two sides of the middle of the workbench (1), the edges of the detection ruler of the framework transverse dimension detection devices (4) are positioned in the transverse middle vertical plane of the workbench (1), and the framework transverse dimension detection devices (4) are used for detecting the transverse position dimensions of all parts on the two side beams (6-1); the two side beam adjusting and locking devices (5) are symmetrically fixed at two ends of the workbench (1) along the transverse center line of the workbench (1), the two side beam adjusting and locking devices (5) are correspondingly positioned at two sides of the two sliding tables (2) one by one, and the two side beam adjusting and locking devices (5) are used for correspondingly adjusting the transverse positions of the two side beams (6-1) one by one and locking and fixing; the longitudinal center line of the workbench (1), the longitudinal center lines of the two sliding tables (2) and the longitudinal center line of the beam centering device (3) are all positioned in a longitudinal middle vertical plane of the workbench (1);
The beam centering device (3) comprises two sets of symmetrically arranged positioning mechanisms, each set of positioning mechanism comprises a concave-shaped base (3-1), two jacking sliding blocks (3-2), a handle (3-3) and a screw rod (3-4), the concave-shaped base (3-1) is fixed on the workbench (1), and a through slideway (3-1-1) is arranged at the upper part of the concave-shaped base (3-1) along the transverse central line direction of the workbench (1); the two jacking sliding blocks (3-2) are symmetrically arranged in the slideway (3-1-1), and the two jacking sliding blocks (3-2) are provided with internal threads along the transverse central line direction of the workbench (1); the handle (3-3) is arranged in a groove of the concave-shaped base (3-1), and the handle (3-3) is fixed at the center of the screw (3-4); external threads with opposite directions and same thread pitches are arranged at two ends of the screw rod (3-4), and the two ends of the screw rod (3-4) are in one-to-one correspondence with the two propping sliding blocks (3-2) in threaded connection; the radial central lines of the screws (3-4) of the two sets of positioning mechanisms are collinear and are positioned in the vertical middle plane of the workbench (1);
The framework transverse dimension detection device (4) comprises a detection ruler (4-1) and two supporting seats (4-2), wherein the two supporting seats (4-2) are symmetrically fixed on the workbench (1) along the longitudinal middle vertical plane of the workbench (1), and the detection ruler (4-1) is arranged at the top ends of the two supporting seats (4-2).
2. The assembly tooling for welding the box girder splicing structure framework according to claim 1, wherein the sliding table (2) comprises a side girder installation seat (2-1), a plurality of height-adjustable support seats (2-2), a positioning pin (2-3) and two sliding rails (2-4), the two sliding rails (2-4) are fixedly connected to the workbench (1) parallel to the longitudinal center line of the side girder installation seat (2-1), the longitudinal center line of the side girder installation seat (2-1) is the longitudinal center line of the sliding table (2), and a plurality of sliding blocks which are in sliding connection with the two sliding rails (2-4) are respectively arranged on two sides of the lower end surface of the side girder installation seat (2-1); the bottoms of the plurality of height-adjustable supporting seats (2-2) are symmetrically fixed on the upper end face of the side beam installation seat (2-1), the bottoms of the positioning pins (2-3) are fixed on the upper end face of the side beam installation seat (2-1), the central axis of the positioning pins (2-3) is positioned in the vertical middle vertical plane of the workbench (1), and the diameter of the positioning pins (2-3) is smaller than the aperture of the side beam guide post hole (6-1-1) by 1mm.
3. The assembly tooling for welding the box girder plugging structure frame according to claim 1, wherein the side girder adjusting and locking device (5) comprises a sliding platform limiting puller (5-1) and at least two side girder limiting puller (5-2), the sliding platform limiting puller (5-1) is fixed on the workbench (1) and is positioned on the outer side of the sliding platform (2), and the side girder limiting puller (5-2) is fixed on the workbench (1) and is positioned on the inner side of the sliding platform (2).
4. A box girder insertion structure frame welding assembly tool as claimed in claim 3, wherein the sliding table limiting puller (5-1) and the side girder limiting puller (5-2) are screw mechanisms formed by bolts and nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765813.5A CN111774799B (en) | 2020-08-03 | 2020-08-03 | Assembly tool for welding box beam splicing structure frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765813.5A CN111774799B (en) | 2020-08-03 | 2020-08-03 | Assembly tool for welding box beam splicing structure frame |
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| CN111774799A CN111774799A (en) | 2020-10-16 |
| CN111774799B true CN111774799B (en) | 2024-07-26 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909730B (en) * | 2021-11-12 | 2022-10-21 | 中车长春轨道客车股份有限公司 | Assembly welding process method of groined type framework |
| CN114413710B (en) * | 2022-01-14 | 2024-03-19 | 一汽解放汽车有限公司 | Frame assembly inspection tool |
| CN115255851B (en) * | 2022-07-29 | 2023-12-29 | 中联重科股份有限公司 | Box-type arm support assembling equipment and box-type arm support assembling method |
| CN115464322A (en) * | 2022-10-13 | 2022-12-13 | 中车长春轨道客车股份有限公司 | Centering device for guide pillar gapless positioning assembly |
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| CN212384941U (en) * | 2020-08-03 | 2021-01-22 | 中车长春轨道客车股份有限公司 | Assembly tool for welding box beam inserting structure framework |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107931878B (en) * | 2017-11-14 | 2020-05-22 | 中车长春轨道客车股份有限公司 | Assembly welding process for box beam inserting structure framework |
| CN109048158B (en) * | 2018-06-28 | 2020-06-09 | 中车长春轨道客车股份有限公司 | Reversed installation posture assembly positioning tool for welding side beam |
| CN110900081A (en) * | 2019-12-16 | 2020-03-24 | 宜昌江峡船用机械有限责任公司 | Large box beam welding platform and welding method |
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| CN212384941U (en) * | 2020-08-03 | 2021-01-22 | 中车长春轨道客车股份有限公司 | Assembly tool for welding box beam inserting structure framework |
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