CN109571314B - Positioning tool of steel structure stand column, connecting plate positioning method and construction method - Google Patents
Positioning tool of steel structure stand column, connecting plate positioning method and construction method Download PDFInfo
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- CN109571314B CN109571314B CN201710911631.2A CN201710911631A CN109571314B CN 109571314 B CN109571314 B CN 109571314B CN 201710911631 A CN201710911631 A CN 201710911631A CN 109571314 B CN109571314 B CN 109571314B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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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 to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
Abstract
The invention discloses a positioning tool of a steel structure stand column, a connecting plate positioning method and a construction method, wherein the steel structure stand column positioning tool comprises at least one positioning assembly for positioning at least two connecting plates on the stand column, each positioning assembly comprises two positioning plates for positioning two symmetrical side surfaces of the stand column, each positioning plate comprises a positioning plate body and two groups of through holes arranged on the positioning plate body, the two groups of through holes are respectively positioned on two sides of the longitudinal central line of the positioning plate body, each group of through holes comprises at least two through holes, and the through holes of the same group are distributed on two sides of the transverse central line of the positioning plate body. The positioning tool is used for positioning the connecting plate and positioning the stand column. According to the steel structure upright post positioning tool, the connecting plate positioning method and the construction method, the positioning precision of the connecting plate on the upright post is improved, and the welding precision of the sectional upright post is improved.
Description
Technical Field
The invention relates to the field of construction of steel structures, in particular to a positioning tool of a steel structure stand column, a connecting plate positioning method and a construction method.
Background
In the boiler steel structure, the upright column mainly plays a role in bearing the load of the boiler body, wind load and earthquake. The upright post is of a box-shaped structure, generally comprises two cover plates, two web plates and a plurality of brackets, the height is generally more than 40 meters, and the upright post is manufactured by adopting a manufacturing process of sectional manufacturing and welding and folding due to the overlong size.
Generally, connecting plates are welded at two ports of each section of the upright column for positioning and aligning with another section of the upright column. However, in the traditional installation of the connecting plate, the precision is ensured by repeated adjustment and measurement of personnel, the installation mode has low operation efficiency, the installation precision cannot be ensured, and particularly, the alignment of the hole between the connecting plate and the connecting plate is more difficult to ensure. The precision of the connecting plate cannot be guaranteed, a series of problems can be brought to the subsequent folding of the upper and lower sections of stand columns, and the folding work of the stand columns is greatly difficult, such as high-altitude modification work and the like.
Disclosure of Invention
The invention provides a positioning tool for a steel structure stand column, aiming at solving the problem that the mounting precision of a connecting plate in the prior art cannot guarantee that the stand column is difficult to fold.
The invention further provides a positioning tool for the steel structure stand column.
The invention also provides a method for positioning the connecting plate of the steel structure upright post by adopting the positioning tool to position the connecting plate.
The invention also provides a construction method of the steel structure upright post for positioning the upright post by adopting the positioning tool.
The invention provides a positioning tool for a steel structure stand column, which comprises at least one positioning assembly for positioning at least two connecting plates on the stand column, wherein each positioning assembly comprises two positioning plates for positioning two symmetrical side surfaces of the stand column, each positioning plate comprises a positioning plate body and two groups of through holes arranged on the positioning plate body, the two groups of through holes are respectively positioned on two sides of the longitudinal central line of the positioning plate body, each group of through holes comprises at least two through holes, and the through holes of the same group are distributed on two sides of the transverse central line of the positioning plate body.
Optionally, each locating plate further comprises two groups of locating blocks used for clamping the side faces of the stand columns, the two groups of locating blocks are respectively located on two sides of the longitudinal center line of the locating plate body and located on the inner sides of the through holes, each group of locating blocks comprises at least two locating blocks, and the locating blocks in the same group are distributed on two sides of the transverse center line of the locating plate body.
Optionally, at least two connecting plates are arranged on one side face of the stand column, each connecting plate is provided with at least two through holes, the positioning tool further comprises at least two pin shafts, and the pin shafts are used for sequentially penetrating through a group of through holes of one positioning plate, the through holes of the at least two connecting plates and a group of through holes of the other positioning plate, so that the through holes in the at least two connecting plates are aligned and positioned.
Optionally, each positioning plate further comprises at least two connecting plate through holes, and the at least two connecting plate through holes are uniformly distributed on two sides of the longitudinal center line of the positioning plate body.
The invention also provides a positioning tool for a steel structure upright post, wherein the upright post comprises four side surfaces which are enclosed into a box-shaped structure, two parallel side surfaces are two cover plates, and the other two parallel side surfaces are two webs, and the positioning tool comprises:
the first positioning assembly is the positioning assembly, the two positioning plates of the first positioning assembly are respectively positioned on the outer surfaces of the two cover plates in a working state, two ends of each positioning plate protrude out of the web plate, and the first positioning assembly is used for positioning a connecting plate to be welded on the web plate;
and each positioning plate of the second positioning assembly is used for positioning the side edges of the two cover plates on the same side in a working state, the two ends of each positioning plate protrude out of the cover plates, the second positioning assembly is used for positioning the connecting plates to be welded on the cover plates, and the through holes of the connecting plates on the positioning plates of the second positioning assembly are used for the connecting plates on the web plates to pass through.
Optionally, the width of the positioning plate of the first positioning assembly is smaller than the width of the positioning plate of the second positioning assembly.
The invention also provides a method for positioning the connecting plate of the steel structure upright post, which comprises the following steps:
preparing two sections of upright columns, wherein each section of upright column comprises two webs which are parallel to each other and two cover plates which are parallel to each other;
drawing a central line extending along the length direction, a check line extending along the width direction and a position line for welding a connecting plate on each cover plate and each web plate, and drawing at least two position lines on each cover plate and each web plate;
preparing a positioning tool, wherein the positioning tool comprises a first positioning assembly and a second positioning assembly, the first positioning assembly and the second positioning assembly respectively comprise two positioning plates for positioning at two symmetrical sides of the upright column, each positioning plate comprises a positioning plate body and two groups of through holes arranged on the positioning plate body, the two groups of through holes are respectively positioned at two sides of the longitudinal central line of the positioning plate body, each group of through holes comprises at least two through holes, and the through holes of the same group are distributed at two sides of the transverse central line of the positioning plate body; each positioning plate of the second positioning assembly further comprises at least two connecting plate through holes, and the at least two connecting plate through holes are uniformly distributed on two sides of the longitudinal center line of the positioning plate body of the second positioning assembly;
drawing a butt-joint line extending in the length direction and a longitudinal center line extending in the width direction on the positioning plate of the first positioning assembly and the positioning plate of the second positioning assembly;
respectively buckling two positioning plates of a first positioning assembly on the outer surfaces of the two cover plates, respectively aligning a longitudinal center line and a butt joint line of the first positioning assembly with a center line on the cover plate and a check line on the web plate, and fixing the positioning plates of the first positioning assembly with the stand columns in a spot welding manner;
placing at least two connecting plates on each web plate, and sequentially enabling at least two pin shafts to penetrate through the through hole of one positioning plate of the first positioning assembly, the through hole of the connecting plate positioned on the web plate and the through hole of the other positioning plate of the first positioning assembly, so that the through holes of the at least two connecting plates positioned on the web plate are aligned with the through holes of the two positioning plates of the first positioning assembly;
adjusting the position of each connecting plate to align each connecting plate with a corresponding position line on the cover plate, and welding the connecting plates and the web plates after alignment;
after the positioning and welding of the connecting plates on the webs are completed, the first positioning assembly is removed;
respectively arranging two positioning plates of a second positioning assembly along the length direction of two webs and buckling the two positioning plates on the side edges of a cover plate protruding out of the outer sides of the webs, enabling a connecting plate on the webs to penetrate through the positioning plates of the second positioning assembly through a through hole of the connecting plate, aligning a longitudinal center line and an alignment line of the second positioning assembly with a center line on the webs and a check line on the cover plate, and fixing the positioning plates of the second positioning assembly with the cover plate in a spot welding manner;
placing at least two connecting plates on each cover plate, and sequentially enabling the at least two pin shafts to penetrate through the through hole of one positioning plate of the second positioning assembly, the through hole of the connecting plate on the cover plate and the through hole of the other positioning plate of the second positioning assembly, so that the through holes of the at least two connecting plates on the cover plate are aligned with the through holes of the two positioning plates of the second positioning assembly;
adjusting the position of a connecting plate on the cover plate to align the connecting plate on the cover plate with a corresponding position line drawn on the cover plate, and welding the connecting plate on the cover plate to the cover plate after alignment;
and after the positioning and welding of the connecting plates on the cover plates are completed, the second positioning assembly is disassembled.
Optionally, the positioning plate of the first positioning assembly and the positioning plate of the second positioning assembly further include: the positioning plates are welded on the positioning plate body, the two groups of positioning blocks are respectively positioned on two sides of the longitudinal central line of the positioning plate body and on the inner side of the through hole, each group of positioning blocks comprises at least two positioning blocks, and the positioning blocks of the same group are distributed on two sides of the transverse central line of the positioning plate body;
when the longitudinal center line and the involution line of the first positioning assembly are respectively aligned with the center line on the cover plate and the inspection line on the web plate, the two groups of positioning blocks of the first positioning assembly are respectively clamped at the edges of the two cover plates;
when the longitudinal center line and the butt joint line of the second positioning assembly are aligned with the center line and the inspection line on the web plate, the two groups of positioning blocks of the second positioning assembly are respectively clamped on the outer surfaces of the two cover plates.
The invention also provides a construction method of the steel structure upright post, which comprises the following steps:
building upright columns in sections, wherein each section of upright column comprises four side surfaces, and the four side surfaces are two webs which are parallel to each other and two cover plates which are parallel to each other respectively;
at least two connecting plates are welded on each web plate and each cover plate at the end part of each section of the upright post by adopting the connecting plate positioning method of the steel structure upright post;
butting and aligning two adjacent sections of stand columns, aligning a connecting plate on each side surface of one section of stand column with a connecting plate on the corresponding side surface of the other section of stand column to form a straight line, respectively placing an auxiliary plate on two sides of the two connecting plates positioned on the same straight line, and aligning through holes on the auxiliary plate with through holes on the two connecting plates so as to enable bolts to penetrate through the through holes on the auxiliary plate and the through holes on the connecting plates;
when the connection between the connecting plate and the auxiliary plate on each side surface of the two sections of stand columns is completed, carrying out butt welding on the two sections of stand columns;
and finishing the folding of the two sections of the stand columns, and folding the folded stand column and the next section of the stand column.
Optionally, after the two sections of the stand columns are folded, the connecting plate at the port of the stand column, which is welded, is detached.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
according to the positioning tool for the steel structure stand column, the positioning assembly is arranged, and the positioning assembly is provided with the through holes respectively positioned at the two sides of the longitudinal center line of the positioning plate body, so that when the positioning tool is used for positioning at least two connecting plates on the stand column, the through holes of the at least two connecting plates can be aligned with the through holes of the positioning plate when the pin shaft penetrates through the through holes of the positioning plate and the through holes of the at least two connecting plates, and therefore the through holes of the connecting plates on the same side surface of the stand column are aligned, and the positioning accuracy of the connecting plates is guaranteed.
According to the positioning tool for the steel structure stand column, the first positioning assembly and the second positioning assembly are arranged, the first positioning assembly is used for positioning the connecting plate to be welded on the web plate, the second positioning assembly is used for positioning the connecting plate to be welded on the cover plate, so that the connecting plates on the four side surfaces of the stand column can be positioned through the first positioning assembly and the second positioning assembly, the through holes of the connecting plates on the side surfaces can be aligned with the through holes of other connecting plates on the same side surface, therefore, the through holes of the connecting plates on the upper side surface, the lower side surface, the front side surface and the rear side surface of the stand column can be aligned, the alignment precision of the connecting plates is improved, and the precision of the stand column in the.
According to the method for positioning the connecting plates of the steel structure stand column, the through holes of the connecting plates on the web plate are aligned through the first positioning assembly and the pin shaft, and the through holes of the connecting plates on the cover plate are aligned through the second positioning assembly and the pin shaft, so that the through holes of the connecting plates on the side surfaces of the stand column are aligned, the alignment accuracy of the connecting plates is improved, and the accuracy of the stand column in the subsequent folding process is improved.
According to the construction method of the steel structure upright post, at least two connecting plates are welded on each web plate and each cover plate of the upright post by adopting the connecting plate positioning method of the steel structure upright post, the two sections of the upright posts welded with the connecting plates are aligned in the length direction, and the auxiliary plates are connected with the two connecting plates approximately positioned on the same straight line through bolts after alignment, so that the two connecting plates on different sections are accurately positioned on the same straight line.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic cross-sectional view of a column.
Fig. 2 is a schematic structural diagram of a positioning plate of the first positioning assembly of the present invention.
Fig. 3 is a schematic structural diagram of a positioning plate of the second positioning assembly of the present invention.
Fig. 4 is a schematic view of the structure of a connecting plate to be welded to a web or a cap plate.
Fig. 5 is a schematic structural diagram of the two positioning plates of the first positioning assembly positioning the connecting plate on the web.
Fig. 6 is a side view of fig. 5.
Fig. 7 is a schematic structural diagram of the two positioning plates of the second positioning assembly positioning the connecting plate on the cover plate.
Fig. 8 is a side view of fig. 7.
Fig. 9 is a schematic structural view of the upright post after the connection plate is welded.
Fig. 10 is a flow chart of a connecting plate positioning method of a steel structure column.
Fig. 11 is a flow chart of a construction method of the steel structural column.
Fig. 12 is a schematic structural view of an auxiliary plate used in the method of constructing a steel structural column according to the present invention.
FIG. 13 is a schematic structural view of two upright posts aligned with each other via the auxiliary plate and the connecting plate when the two upright posts are folded.
Detailed Description
For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, which are illustrated in the accompanying drawings.
As mentioned above, the column for supporting the boiler body is too long and needs to be assembled in sections. As shown in fig. 1, which is a schematic cross-sectional view of a column, each section of the column 10 includes four side surfaces, namely two webs 11 parallel to each other and two cover plates 12 parallel to each other, and the two webs 11 and the two cover plates 12 enclose a box shape.
As shown in fig. 2 and 3, fig. 2 is a schematic structural view of a positioning plate of a first positioning assembly of the present invention, and fig. 3 is a schematic structural view of a positioning plate of a second positioning assembly of the present invention. The invention provides a positioning tool 20 for a steel structure upright post, which comprises two positioning components, namely a first positioning component and a second positioning component, wherein the first positioning component is used for positioning a connecting plate on a web plate 11, and the second positioning component is used for positioning a connecting plate on a cover plate 12.
The first positioning component comprises two positioning plates 211, each positioning plate 211 comprises a positioning plate body 2111 and two groups of through holes 2112 arranged on the positioning plate body 2111, the two groups of through holes 2112 are respectively positioned at two sides of a longitudinal center line L2 of the positioning plate body 2111, and the longitudinal center line L2 extends along the width direction of the positioning plate body 2111. The two sets of through holes 2112 are respectively close to the edges of the two sides of the width of the positioning plate body 2111, each set of through holes includes at least two through holes 2112, the through holes 2112 of the same set are distributed on two sides of a transverse center line L1 of the positioning plate body 2111, and the transverse center line L1 extends along the length direction of the positioning plate body 2111. The positioning plate 211 is provided with through holes 2112 for the purpose of punching through the connection plates to be welded to the web 11.
The through hole 2112 may be a circular hole to facilitate the penetration of a cylindrical pin.
Further, each positioning plate 211 further includes two sets of positioning blocks 2113, the two sets of positioning blocks 2113 are respectively located at two sides of the longitudinal center line L2 of the positioning plate body 2111, each set of positioning blocks 2113 includes at least two positioning blocks 2113, and the same set of positioning blocks 2113 are distributed at two sides of the transverse center line of the positioning plate body 2111 and are located at the inner side of the through hole 2112. The positioning block 2113 is used to clamp the cover plate 12 from both sides of the cover plate 12 when the positioning plate 211 is positioned on the cover plate 12, so that the positioning plate 211 is positioned on the cover plate 12.
The number of the through holes of each group of the positioning plate 211 is determined according to the number of the through holes of the connecting plate. For example, as shown in fig. 4, fig. 4 is a schematic structural diagram of a connecting plate to be welded on a web or a cover plate, and two through holes 31 are provided on the connecting plate 30, so that the number of each set of through holes of the positioning plate 211 corresponds to two. It can be understood that if the connecting plate is provided with three through holes, the number of each group of through holes of the positioning plate is also three.
In addition, one end of the connecting plate 30 is provided with a notch 32 which facilitates butt welding of the two-section columns.
As shown in fig. 5 and 6, fig. 5 is a schematic structural view of the two positioning plates of the first positioning assembly positioning the connecting plate on the web, and fig. 6 is a side view of fig. 5. The two positioning plates 211 of the first positioning assembly 21 are respectively fastened on the outer surfaces of the cover plates 12 at both sides of the upright post 10. Both ends of each positioning plate 211 protrude out of the web 11, so that the two positioning blocks 2113 of each positioning plate 211 are respectively clamped on both sides of the cover plate 12 extending along the length direction. After the positioning plate 211 is positioned, it is spot-welded to the cover plate 12. At least two connecting plates 30 are arranged on the web 11 at each side of the upright post 10 at intervals. The hinge pin 213 sequentially passes through the through hole of one 211 of the two 211, the through hole of each connecting plate 30 on the same side, and the through hole of the other 211 of the two 211, so that the through hole of each connecting plate 30 is aligned with the through holes of the two 211, and the through holes of at least two connecting plates 30 are aligned precisely. In the same way, the pin shaft 213 is passed through the through hole of the positioning plate 211 on the other side of the column, the through hole of each connecting plate 30 on the other side, and the through hole of the other positioning plate 211 on the other side. After the positioning of the connecting plates on the two webs 11 is completed, the connecting plates 30 are welded to the webs 11.
The number of pins 213 used on the same side of the column depends on the number of holes in the connecting plate 30, for example, two holes are provided in each connecting plate, one hole corresponds to each pin, and two pins 213 pass through the connecting plate.
In addition, the pin shaft 213 may preferably be cylindrical.
As shown in fig. 3, the second positioning assembly includes two positioning plates 221, each positioning plate 221 includes a positioning plate body 2211 and two sets of through holes 2212 disposed on the positioning plate body 2211, the two sets of through holes 2212 are respectively disposed on two sides of a longitudinal center line L5 of the positioning plate body 2211, and the longitudinal center line L5 extends along the width direction of the positioning plate body 2211. Two sets of through-holes 2212 are close to the edge of locating plate body 2211 width both sides respectively, and each set of through-hole includes two at least through-holes 2212, and same set of through-hole 2212 distributes in the both sides of locating plate body 2211 horizontal central line L4, and horizontal central line L4 extends along the length direction of locating plate body 2211. The purpose of the through holes 2212 provided in the positioning plate 221 is to perforate the connection plates to be welded to the cover plate 12.
The through hole 2212 may be a circular hole to facilitate the cylindrical pin shaft to pass through.
Further, each positioning plate 221 further includes two sets of positioning blocks 2213, the two sets of positioning blocks 2213 are respectively located on two sides of the longitudinal center line L5 of the positioning plate body 2211 and located inside the through hole 2212, each set of positioning blocks 2213 includes at least two positioning blocks 2213, and the same set of positioning blocks 2213 is distributed on two sides of the transverse center line L4 of the positioning plate body 2211. The positioning block 2213 is used to clamp the cover plate 12 from both surfaces of the cover plate 12 when the positioning plate 221 is positioned on the cover plate 12, so that the positioning plate 221 is positioned on the cover plate 11.
The number of through holes of each set of the positioning plates 221 is determined according to the number of through holes of the connection plate to be welded to the cap plate 12.
The difference between the positioning plate 221 and the positioning plate 211 is that the positioning plate 221 further has at least two connecting plate through holes 2214, and the at least two connecting plate through holes 2214 are uniformly distributed on two sides of the longitudinal center line L5 of the positioning plate body 2211. The connecting plate penetrating hole 2214 is used for the connecting plate 30 on the web 11 to penetrate. The number of the connecting plate penetrating holes 2214 is determined according to the number of the connecting plates 30 welded to the web 11.
The connecting plate through holes 2214 are elongated slots to facilitate the passage of the connecting plates 30 on the web 11.
In addition, since the positioning plate 221 needs to be provided with the connecting plate through hole 2214, the width of the positioning plate 221 of the second positioning assembly is slightly larger than that of the positioning plate 211 of the first positioning assembly.
The length of alignment plate 221 and alignment plate 211 may be the same, with the length of alignment plate 211 exceeding the length of cover plate 12 and the length of alignment plate 221 exceeding the length of web 11. The positioning block 2213 of the positioning plate 221 is clamped on the outer surface of the cover plate 12, and the positioning block 2113 of the positioning plate 211 is clamped on both sides of the cover plate 12 in the length direction. Through holes at two ends of the positioning plate 211 are exposed at the outer side of the web 11, and through holes at two ends of the positioning plate 221 are exposed at the outer side of the cover plate 12.
As shown in fig. 7 and 8, fig. 7 is a schematic structural view illustrating two positioning plates of the second positioning assembly positioning the connecting plate on the cover plate, and fig. 8 is a side view of fig. 7. The two positioning plates 221 of the second positioning assembly 22 are respectively disposed along the length direction of the two webs 11, and the same positioning plate 221 is fastened to the side edge of the same side of the two cover plates 12, and both ends of each positioning plate 221 protrude out of the outer surface of the cover plate 12. The positioning blocks 2213 at the two ends of each positioning block 221 are respectively clamped on the outer surfaces of the two cover plates 12, and the connecting plate 30 on the web plate 11 passes through the positioning plate 221 through the connecting plate through hole 2214. After the positioning plate 221 is positioned, it is spot welded to the cover plate 12.
At least two connecting plates 30 are spaced apart on the cover plate 12 on each side of the column 10. The pin shaft 213 sequentially passes through the through hole of one positioning plate 221 of the two positioning plates 221, the through hole of each connecting plate 30 on the same side, and the through hole of the other positioning plate 221 of the two positioning plates 221, so that the through hole of each connecting plate 30 is aligned with the through holes of the two positioning plates 221, and the through holes of at least two connecting plates 30 are precisely aligned. In the same way, the pin shaft 213 is inserted through the through hole of the positioning plate 221 on the other side of the column, the through hole of each connecting plate 30 on the other side, and the through hole of the other positioning plate 221 on the other side. After positioning of the connection plates on both cover plates 12 is completed, the connection plates 30 are welded to the cover plates 12.
As shown in fig. 9, which is a schematic structural diagram of the upright post after welding the connecting plates, after welding the connecting plates 30 of the cover plate 12, the second positioning assembly is removed, so that the connecting plates 30 are welded to four sides of the upright post 10. In fig. 9, two connecting plates 30 are welded to each side surface of the column 10, but the present invention is not limited thereto, and three or more connecting plates may be welded to each side surface of the column 10.
In order to provide a positioning tool for positioning a connecting plate on a steel structure upright, the following detailed description explains how to position the connecting plate of the steel structure upright by using the positioning tool, and specifically, the invention provides a method for positioning the connecting plate of the steel structure upright, which is shown in fig. 10 and specifically comprises the following steps:
step S1: two sections of upright columns are prepared, wherein each section of upright column comprises two web plates which are parallel to each other and two cover plates which are parallel to each other.
Step S2: a center line extending in the length direction, a check line extending in the width direction, and position lines for welding the connecting plates are drawn on each of the cover plates and the web plates, and at least two position lines are drawn on each of the cover plates and the web plates.
Corresponding central lines, inspection lines and position lines for welding the connecting plates are drawn on each web plate and each cover plate, so that the web plates and the cover plates can be aligned with subsequent positioning tools.
Step S3: preparing a positioning tool, wherein the positioning tool comprises a first positioning assembly and a second positioning assembly.
The positioning tool is the aforementioned positioning tool, and the positioning tool includes the aforementioned first positioning assembly 21 and second positioning assembly 22.
Referring to fig. 2, the first positioning assembly 21 includes two positioning plates 211 for positioning at two symmetrical sides of the upright 10, and each positioning plate 211 includes a positioning plate body 2111 and two sets of through holes 2112 disposed on the positioning plate body 2111. The two sets of through holes 2112 are respectively located on two sides of a longitudinal center line L2 of the positioning plate body 2111, each set of through holes 2112 includes at least two through holes 2112, and the same set of through holes 2112 are distributed on two sides of a transverse center line L1 of the positioning plate body 2111.
Further, the positioning plate 211 of the first positioning assembly 21 further includes two sets of positioning blocks 2113 welded to the positioning plate body 2111, the two sets of positioning blocks 2113 are respectively located at two sides of the longitudinal center line L2 of the positioning plate body 2111 and located at the inner side of the through hole 2112, each set of positioning blocks 2113 includes at least two positioning blocks 2113, and the same set of positioning blocks 2113 are distributed at two sides of the transverse center line L1 of the positioning plate body.
Referring to fig. 3, the second positioning assembly 22 includes two positioning plates 221 for positioning at two symmetrical sides of the column 10, each positioning plate 221 includes a positioning plate body 2211 and two sets of through holes 2212 disposed on the positioning plate body 2211. The two groups of through holes 2212 are respectively located on two sides of the longitudinal center line L5 of the positioning plate body 2212, each group of through holes 2212 includes at least two through holes 2212, and the through holes 2212 of the same group are distributed on two sides of the transverse center line L4 of the positioning plate body 2211. Each positioning plate 221 further includes at least two connecting plate through holes 2214, and the at least two connecting plate through holes 2214 are uniformly distributed on two sides of the longitudinal center line of the positioning plate body 2211.
Further, the positioning plate 221 of the second positioning assembly 22 further includes two sets of positioning blocks 2213 welded to the positioning plate body 2211, the two sets of positioning blocks 2213 are respectively located on two sides of the longitudinal center line L5 of the positioning plate body 2211 and located inside the through hole 2212, each set of positioning blocks 2213 includes at least two positioning blocks 2213, and the same set of positioning blocks 2213 are distributed on two sides of the transverse center line L4 of the positioning plate body.
Step S4: a butt line extending in the length direction and a longitudinal center line extending in the width direction are drawn on both the positioning plate of the first positioning assembly and the positioning plate of the second positioning assembly.
As shown in fig. 2, a butt line L3 is drawn on the positioning plate 211 along the longitudinal direction, and a longitudinal center line L2 is drawn along the width direction.
As shown in fig. 3, a line of coincidence L6 is drawn in the length direction and a longitudinal center line L5 is drawn in the width direction on the positioning plate 221.
Step S5: and respectively buckling the two positioning plates of the first positioning assembly on the outer surfaces of the two cover plates, respectively aligning the longitudinal center line and the involution line of the positioning plate of the first positioning assembly with the center line on the cover plate and the inspection line on the web plate, and fixing the positioning plate of the first positioning assembly with the stand column by spot welding.
Referring to fig. 5 and 6, the two positioning plates 211 of the first positioning assembly 21 are respectively tightly attached to the outer surface of the cover plate 12, the longitudinal center line L2 and the alignment line L3 of the positioning plates 211 are respectively aligned with the center line of the cover plate 12 and the inspection line of the web plate 11, and the two sets of positioning blocks 2113 on the positioning plates 211 are respectively clamped on the two sides of the cover plate 12.
After the positioning plate 211 is positioned on the cover plate 12, the positioning plate 211 is fixed on the cover plate 12 by spot welding.
Step S6: at least two connecting plates are placed on each web plate, at least two pin shafts sequentially penetrate through the through hole of one positioning plate of the first positioning assembly, the through hole of the connecting plate positioned on the web plate and the through hole of the other positioning plate of the first positioning assembly, and the through holes of the at least two connecting plates positioned on the web plate are aligned with the through holes of the two positioning plates of the first positioning assembly.
After the two positioning plates 211 of the first positioning assembly 21 are fixed, at least two connecting plates 30 are respectively disposed on the two webs 11, and the connecting plates 30 are located between the two positioning plates 211. Furthermore, the notch 32 of the connecting plate 30 faces the port of the upright 10.
Each connecting plate 30 has at least two through holes, each through hole corresponds to one pin shaft 213, so that the pin shaft 213 passes through the through holes of the two positioning plates 211 of the first positioning assembly 21 on the same side (i.e. on one side of the same web) and the through holes of the connecting plate 30, so that the through holes of at least two connecting plates 30 on the web 11 are aligned with the through holes of the positioning plates 211, and accurate alignment of the through holes of the connecting plates 30 on the web 11 is realized.
S7: adjusting the position of each connecting plate to align each connecting plate with a corresponding position line on the cover plate, and welding the connecting plates and the web plates after aligning;
after each connecting plate 30 is hung on the pin shaft 213, each connecting plate 30 is adjusted to align the position line drawn in advance of the connecting plate 30 and the web 11, and the connecting plate 30 and the web 11 can be welded after the alignment.
S8: and after the positioning and welding of the connecting plates on the webs are completed, the first positioning assembly is removed.
S9: and respectively arranging the two positioning plates of the second positioning assembly along the length direction of the two webs and buckling the two positioning plates on the side edges of the cover plate protruding out of the outer sides of the webs, enabling the connecting plate on the webs to penetrate through the positioning plates of the second positioning assembly through the connecting plate through holes, enabling the longitudinal center line and the involution line of the second positioning assembly to be respectively aligned with the center line on the webs and the inspection line on the cover plate, and fixing the positioning plates of the second positioning assembly and the cover plate in a spot welding manner.
Referring to fig. 7, the two positioning plates 221 of the second positioning assembly 22 are respectively tightly attached to two sides of the cover plate 12, so that the longitudinal center line L5 of the positioning plate 221 is aligned with the center line of the web plate 11, the alignment line L6 of the positioning plate 221 is aligned with the inspection line of the cover plate 11, and the two sets of positioning blocks 2213 on the positioning plate 221 are respectively clamped on the outer surfaces of the two cover plates 12.
After positioning of positioning plate 221 is completed, positioning plate 211 and web 11 are spot welded, and positioning plate 211 is fixed on web 11.
S10: at least two connecting plates are placed on each cover plate, at least two pin shafts sequentially penetrate through the through hole of one positioning plate of the second positioning assembly, the through hole of the connecting plate positioned on the cover plate and the through hole of the other positioning plate of the second positioning assembly, and the through holes of the at least two connecting plates positioned on the cover plate are aligned with the through holes of the two positioning plates of the second positioning assembly.
After the two positioning plates 221 of the second positioning assembly 22 are fixed, at least two connecting plates 30 are respectively disposed on the two cover plates 12, and the connecting plates 30 are located between the two positioning plates 221. Each connecting plate 30 has at least two through holes, each through hole corresponds to one pin shaft 213, so that the pin shafts 213 pass through the through holes of the two positioning plates 211 located on the same side and the through holes of the connecting plates 30, the through holes of at least two connecting plates 30 on the cover plate 12 can be aligned with the through holes of the positioning plates 221, and accurate alignment of the through holes of the connecting plates 30 on the cover plate 12 is realized.
S11: and adjusting the position of the connecting plate on the cover plate to align the connecting plate on the cover plate with the corresponding position line drawn on the cover plate, and welding the connecting plate on the cover plate after alignment.
After the connecting plate on the cap plate 12 is inserted through the pin shaft 213, the position of the connecting plate 30 on the cap plate 12 is adjusted, the connecting plate 30 is aligned with a position line drawn in advance on the cap plate 12, and the connecting plate 30 is welded to the cap plate 12 after the alignment.
S12: and after the positioning and welding of the connecting plates on the cover plates are completed, the second positioning assembly is detached.
After the welding of the connection plates on the cover plates 12 is completed, the two positioning plates 221 respectively fixed to the sides of the two cover plates 12 are removed.
After the welding of the connecting plates is completed, corresponding connecting plates are arranged on the side faces of the stand columns.
And after welding of each connecting plate on the sectional upright post is completed, folding of the sectional upright post is performed. The invention further provides a construction method of the steel structure upright post, which specifically comprises the following steps of, with reference to fig. 11:
step S21: the method comprises the following steps of building upright columns in sections, wherein each section of upright column comprises four side surfaces, and the four side surfaces are two web plates which are parallel to each other and two cover plates which are parallel to each other.
Step S22: at least two connecting plates are welded on each web plate and each cover plate at the end of each section of the upright post by adopting the connecting plate positioning method of the steel structure upright post.
Each stand has two ports, and four sides that are close to the port all weld the connecting plate, and this connecting plate is used for counterpointing with the connecting plate on another segmentation stand.
In order to ensure the alignment accuracy of the two subsection stand columns and prevent the stand columns from inclining during alignment, at least two connecting plates are uniformly distributed on each side surface of the stand columns.
In addition, the purpose that the connecting plate was all laid to four sides of stand is in order to make two subsection stands can realize the accurate counterpoint of four sides when counterpointing, and then improves the degree of accuracy that two subsection stands folded.
Step S23: and butting and aligning two adjacent sections of stand columns, aligning the connecting plate on each side surface of one section of stand column with the connecting plate on the corresponding side surface of the other section of stand column to form a straight line, respectively placing an auxiliary plate on two sides of the two connecting plates positioned on the same straight line, aligning the through holes on the auxiliary plates with the through holes on the two connecting plates, and penetrating bolts through the through holes on the auxiliary plates and the through holes on the connecting plates.
Fig. 12 is a schematic structural view of an auxiliary plate used in the method for constructing a steel structural column according to the present invention. The auxiliary plate 40 includes an auxiliary plate body 41 and through-holes 42 distributed on both sides of a longitudinal center line L7 of the auxiliary plate body 41. The number of through-holes 42 on either side of the longitudinal centerline L7 is the same as the number of through-holes on a single web 30. The structure of the auxiliary plate in fig. 12 corresponds to that of the connection plate in fig. 4. In fig. 4, the connecting plate 30 has two through holes 31, so that the auxiliary plate 40 also has two through holes 42 on each side. As shown in fig. 12, the auxiliary plate 40 is provided with four through holes 42, two through holes 42 at the left end are aligned with the through holes of the connecting plate 30 on one of the columns, and two through holes 42 at the right end are aligned with the through holes of the connecting plate 30 on the opposite column.
Fig. 13 is a schematic structural view illustrating alignment of two upright columns by an auxiliary plate and a connecting plate when the two upright columns are folded. The two sections of columns 10 are aligned so that the web 30 on one side of one of the sections of columns 10 is substantially aligned with the web 30 on the corresponding side of the other section of column. Because the lower end of each connecting plate 30 is provided with a notch 32 for facilitating butt welding of the two vertical columns 10, when the two vertical columns 10 are aligned, the notches 32 of the two connecting plates 30 which are aligned to be in the same straight line are close to each other and aligned.
An auxiliary plate 40 is disposed on each of both sides of the two connection plates 30 positioned on the same line to sandwich the two connection plates 30 positioned on the same line. The auxiliary plate 40 is provided at each side thereof with a through-hole corresponding to the connection plate 30. The two through holes 42 of one side of the auxiliary plate 40 are aligned with the through holes 31 of the connecting plate 30 at the upper side (viewed from the paper surface) in fig. 13, and the two through holes 42 of the other side of the auxiliary plate 40 are aligned with the through holes 31 of the connecting plate 30 at the lower side (viewed from the paper surface) in fig. 13. After the alignment, bolts are passed through the through-holes 42 of the auxiliary plate 40, the through-holes 31 of the connecting plate 30, and the through-holes 42 of the other auxiliary plate 40. Because the clearance between the bolt and the through hole 31 and the through hole 42 is only about 1mm, the bolt cannot pass through as long as the connecting plates on the two sections of the upright columns 10 are not aligned slightly, and the bolt can only be ensured to pass through the through hole 42 and the through hole 31 when the connecting plates on the two upright columns are adjusted to be aligned in a straight line accurately, so that the connecting plates 30 on the two sections of the upright columns can be aligned in a straight line accurately.
After the connection and alignment of two connection plates 30 and auxiliary plates 40 are completed, the connection and alignment of two other connection plates 30 and auxiliary plates 40 on the same side are performed in the same manner.
After the connection and alignment of the connecting plate 30 and the auxiliary plate 40 on one side are completed, the connection and alignment of the connecting plates 30 and the auxiliary plate 40 on the remaining three sides of the upright are performed.
Step S24: and when the connecting plate on each side surface of the two sections of the stand columns is connected with the auxiliary plate, carrying out butt welding on the two sections of the stand columns.
And when the alignment of the side surfaces of the two sections of the upright columns 10 is completed through the connecting plate 30 and the auxiliary plate 40, the two sections of the upright columns are butt-welded.
Step S25: and finishing the folding of the two sections of the stand columns, and folding the folded stand column and the next section of the stand column.
And folding the folded upright post and the next upright post until the folded upright post is folded to the required height.
In addition, after the post is closed, the connecting plate 30 is removed from the post. The removal of the connecting plate 30 can be carried out after each two-section column folding is completed; and after all the stand columns are folded, the stand columns can be removed uniformly.
According to the positioning tool for the steel structure stand column, the positioning assembly is arranged, and the positioning assembly is provided with the through holes respectively positioned at the two sides of the longitudinal center line of the positioning plate body, so that when the positioning tool is used for positioning at least two connecting plates on the stand column, the through holes of the at least two connecting plates can be aligned with the through holes of the positioning plate when the pin shaft penetrates through the through holes of the positioning plate and the through holes of the at least two connecting plates, and therefore the through holes of the connecting plates on the same side surface of the stand column are aligned, the distance between the through holes of the connecting plates and the through holes of other connecting plates on the same side surface is ensured, and.
According to the positioning tool for the steel structure upright post, the first positioning assembly and the second positioning assembly are arranged, the first positioning assembly is used for positioning the connecting plate to be welded on the web plate, the second positioning assembly is used for positioning the connecting plate to be welded on the cover plate, so that the connecting plates on four sides of the upright post can be positioned through the first positioning assembly and the second positioning assembly, the through holes of the connecting plates on all sides can be aligned with the through holes of other connecting plates on the same side (namely, the hole axes are positioned on the same straight line), therefore, the alignment of the through holes of the connecting plates on the upper side, the lower side, the front side and the rear side of the upright post is realized, the distance between the through hole of the connecting plate on each side and the through holes of other connecting plates on the same side is ensured, the alignment precision of the connecting plates is improved.
According to the method for positioning the connecting plates of the steel structure stand column, the through holes of the connecting plates on the web plate are aligned through the first positioning assembly and the pin shaft, and the through holes of the connecting plates on the cover plate are aligned through the second positioning assembly and the pin shaft, so that the through holes of the connecting plates on the side surfaces of the stand column are aligned, the alignment accuracy of the connecting plates is improved, and the accuracy of the stand column in the subsequent folding process is improved.
According to the construction method of the steel structure upright post, at least two connecting plates are welded on each web plate and each cover plate of the upright post by adopting the connecting plate positioning method of the steel structure upright post, the two sections of the upright posts welded with the connecting plates are aligned in the length direction, and the auxiliary plates are connected with the two connecting plates approximately positioned on the same straight line through bolts after alignment, so that the two connecting plates on different sections are accurately positioned on the same straight line.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, but rather is intended to cover all equivalent structural changes made by the use of the specification and drawings.
Claims (9)
1. A positioning tool for a steel structure upright post is characterized by comprising at least one positioning component for positioning at least two connecting plates on the upright post, each positioning component comprises two positioning plates for positioning at two symmetrical side surfaces of the upright post, each positioning plate comprises a positioning plate body and two groups of through holes arranged on the positioning plate body, the two groups of through holes are respectively positioned at two sides of the longitudinal central line of the positioning plate body, each group of through holes comprises at least two through holes, the same group of through holes are distributed at two sides of the transverse central line of the positioning plate body, at least two connecting plates can be placed on the side surface of the upright post, the positioning tool further comprises a pin shaft, and the pin shaft is used for sequentially penetrating one group of through holes of one positioning plate of the positioning components, the through holes of at least two connecting plates and one group of through holes of the, and aligning the through hole of each connecting plate with the through holes of the other connecting plates positioned on the same side of the upright column along the length direction of the pin shaft.
2. The positioning tool for the steel structure stand column according to claim 1, wherein each positioning plate further comprises two sets of positioning blocks for clamping the side surface of the stand column, the two sets of positioning blocks are respectively located on two sides of the longitudinal center line of the positioning plate body and located on the inner side of the through hole, each set of positioning blocks comprises at least two positioning blocks, and the positioning blocks of the same set are distributed on two sides of the transverse center line of the positioning plate body.
3. The positioning tool for the steel structure stand column according to claim 1 or 2, wherein each positioning plate further comprises at least two connecting plate through holes, and the at least two connecting plate through holes are uniformly distributed on two sides of the longitudinal center line of the positioning plate body.
4. The utility model provides a location frock of steel construction stand, its characterized in that, stand are including four sides that enclose into box structure, and wherein two sides that are parallel to each other are two apron, and two sides that are parallel to each other are two webs in addition, location frock includes:
a first positioning assembly, the first positioning assembly being the positioning assembly of any one of claims 1 to 2, two positioning plates of the first positioning assembly being positioned on outer surfaces of the two cover plates respectively and both ends of each positioning plate protruding from the web plate in an operating state, the first positioning assembly being used for positioning a connecting plate to be welded on the web plate;
the second positioning assembly is the positioning assembly of claim 3, each positioning plate of the second positioning assembly respectively positions the side edges of the same sides of the two cover plates in a working state, both ends of each positioning plate protrude out of the cover plates, the second positioning assembly is used for positioning the connecting plates to be welded on the cover plates, and the through holes of the connecting plates on the positioning plates of the second positioning assembly are used for the connecting plates on the web plates to pass through.
5. The positioning tool for the steel structure stand column according to claim 4, wherein the width of the positioning plate of the first positioning assembly is smaller than the width of the positioning plate of the second positioning assembly.
6. A method for positioning a connecting plate of a steel structure upright column is characterized by comprising the following steps:
preparing two sections of upright columns, wherein each section of upright column comprises two webs which are parallel to each other and two cover plates which are parallel to each other;
drawing a central line extending along the length direction, a check line extending along the width direction and a position line for welding a connecting plate on each cover plate and each web plate, and drawing at least two position lines on each cover plate and each web plate;
preparing a positioning tool, wherein the positioning tool comprises a first positioning assembly and a second positioning assembly, the first positioning assembly and the second positioning assembly respectively comprise two positioning plates for positioning at two symmetrical sides of the upright column, each positioning plate comprises a positioning plate body and two groups of through holes arranged on the positioning plate body, the two groups of through holes are respectively positioned at two sides of the longitudinal central line of the positioning plate body, each group of through holes comprises at least two through holes, and the through holes of the same group are distributed at two sides of the transverse central line of the positioning plate body; each positioning plate of the second positioning assembly further comprises at least two connecting plate through holes, and the at least two connecting plate through holes are uniformly distributed on two sides of the longitudinal center line of the positioning plate body of the second positioning assembly;
drawing a butt-joint line extending in the length direction and a longitudinal center line extending in the width direction on the positioning plate of the first positioning assembly and the positioning plate of the second positioning assembly;
respectively buckling two positioning plates of a first positioning assembly on the outer surfaces of the two cover plates, respectively aligning a longitudinal center line and a butt joint line of the first positioning assembly with a center line on the cover plate and a check line on the web plate, and fixing the positioning plates of the first positioning assembly with the stand columns in a spot welding manner;
placing at least two connecting plates on each web plate, and sequentially enabling at least two pin shafts to penetrate through the through hole of one positioning plate of the first positioning assembly, the through hole of the connecting plate positioned on the web plate and the through hole of the other positioning plate of the first positioning assembly, so that the through holes of the at least two connecting plates positioned on the web plate are aligned with the through holes of the two positioning plates of the first positioning assembly;
adjusting the position of each connecting plate to align each connecting plate with a corresponding position line on the cover plate, and welding the connecting plates and the web plates after alignment;
after the positioning and welding of the connecting plates on the webs are completed, the first positioning assembly is removed;
respectively arranging two positioning plates of a second positioning assembly along the length direction of two webs and buckling the two positioning plates on the side edges of a cover plate protruding out of the outer sides of the webs, enabling a connecting plate on the webs to penetrate through the positioning plates of the second positioning assembly through a through hole of the connecting plate, aligning a longitudinal center line and an alignment line of the second positioning assembly with a center line on the webs and a check line on the cover plate, and fixing the positioning plates of the second positioning assembly with the cover plate in a spot welding manner;
placing at least two connecting plates on each cover plate, and sequentially enabling the at least two pin shafts to penetrate through the through hole of one positioning plate of the second positioning assembly, the through hole of the connecting plate on the cover plate and the through hole of the other positioning plate of the second positioning assembly, so that the through holes of the at least two connecting plates on the cover plate are aligned with the through holes of the two positioning plates of the second positioning assembly;
adjusting the position of a connecting plate on the cover plate to align the connecting plate on the cover plate with a corresponding position line drawn on the cover plate, and welding the connecting plate on the cover plate to the cover plate after alignment;
and after the positioning and welding of the connecting plates on the cover plates are completed, the second positioning assembly is disassembled.
7. The method for positioning the connecting plate of the steel structure upright post according to claim 6, wherein the positioning plate of the first positioning assembly and the positioning plate of the second positioning assembly further comprise: the positioning plates are welded on the positioning plate body, the two groups of positioning blocks are respectively positioned on two sides of the longitudinal central line of the positioning plate body and on the inner side of the through hole, each group of positioning blocks comprises at least two positioning blocks, and the positioning blocks of the same group are distributed on two sides of the transverse central line of the positioning plate body;
when the longitudinal center line and the involution line of the first positioning assembly are respectively aligned with the center line on the cover plate and the inspection line on the web plate, the two groups of positioning blocks of the first positioning assembly are respectively clamped at the edges of the two cover plates;
when the longitudinal center line and the butt joint line of the second positioning assembly are aligned with the center line and the inspection line on the web plate, the two groups of positioning blocks of the second positioning assembly are respectively clamped on the outer surfaces of the two cover plates.
8. A method for constructing a steel structure column, comprising:
building upright columns in sections, wherein each section of upright column comprises four side surfaces, and the four side surfaces are two webs which are parallel to each other and two cover plates which are parallel to each other respectively;
welding at least two connecting plates on each web plate and each cover plate at the end opening of each section of the column by adopting the connecting plate positioning method of the steel structure column as claimed in any one of claims 6 to 7;
butting and aligning two adjacent sections of stand columns, aligning a connecting plate on each side surface of one section of stand column with a connecting plate on the corresponding side surface of the other section of stand column to form a straight line, respectively placing an auxiliary plate on two sides of the two connecting plates positioned on the same straight line, and aligning through holes on the auxiliary plate with through holes on the two connecting plates so as to enable bolts to penetrate through the through holes on the auxiliary plate and the through holes on the connecting plates;
when the connection between the connecting plate and the auxiliary plate on each side surface of the two sections of stand columns is completed, carrying out butt welding on the two sections of stand columns;
and finishing the folding of the two sections of the stand columns, and folding the folded stand column and the next section of the stand column.
9. A method of constructing a steel structural column according to claim 8, wherein the connecting plate at the welded column end is removed after the two sections of column have been folded.
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| CN201710911631.2A CN109571314B (en) | 2017-09-29 | 2017-09-29 | Positioning tool of steel structure stand column, connecting plate positioning method and construction method |
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| CN201710911631.2A CN109571314B (en) | 2017-09-29 | 2017-09-29 | Positioning tool of steel structure stand column, connecting plate positioning method and construction method |
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| CN109571314B true CN109571314B (en) | 2020-11-24 |
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| JP2003089022A (en) * | 2001-09-12 | 2003-03-25 | Nippon Yusoki Co Ltd | Positioning method and assembling method |
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