CN107695601B - Assembling method and measure jig frame for regular hexagonal box-shaped steel structure - Google Patents
Assembling method and measure jig frame for regular hexagonal box-shaped steel structure Download PDFInfo
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- CN107695601B CN107695601B CN201711192220.9A CN201711192220A CN107695601B CN 107695601 B CN107695601 B CN 107695601B CN 201711192220 A CN201711192220 A CN 201711192220A CN 107695601 B CN107695601 B CN 107695601B
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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
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Abstract
The invention discloses an assembling method of a regular hexagonal box type steel structure and a measure jig frame, wherein the assembling method of the regular hexagonal box type steel structure can conveniently finish the alignment of the length direction of the regular hexagonal box type steel structure when the regular hexagonal box type steel structure is assembled by matching with the measure jig frame, steel plates forming the regular hexagonal box type steel structure are easy to hoist and align, and a positioning support is vertically arranged at a certain height, so that an operator is in a reasonable position when welding seams formed among the steel plates, and the problem that the welding quality is influenced due to fatigue caused by long-time squat can be avoided.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an assembling method and a measure jig frame of a regular hexagonal-edge steel structure.
Background
In recent years, the manufacturing technology of steel structures is continuously mature, and steel structure buildings in various forms are more and more widely applied in the field of building structures. Along with the mass construction of public buildings such as domestic stadiums, cultural facilities and the like, a plurality of complex structural forms appear, and in the manufacturing process of the steel members, the requirements on assembly and welding precision are high, the welding difficulty is high, the consumed work time is huge, and breakthroughs and innovations are to be searched for from the manufacturing technology.
Regular hexagonal box-shaped steel structure is a common component in steel structure engineering, and the main structural characteristics are that the widths of 6 splicing plates are the same, the splicing angles are the same, convenience is brought to splicing, but the unique shape also causes limited welding space. The bottom plate is placed through at the level to current positive hexagonal box shaped steel structure of preparation many, then form the holding surface of 120 degrees contained angles through instrument and bottom plate, place the curb plate on the holding surface and weld on the bottom plate, process according to this method, alignment has certain difficulty on positive hexagonal box shaped steel structure length direction, the bottom plate level is placed, it is big to make four sides hoist and mount between the roof that positive hexagonal box shaped steel structure level was placed and the bottom plate and aim at the degree of difficulty, and current equipment welding process is direct mostly to go on ground, the workman need squat for a long time or work on the ground when welding the welding seam on positive hexagonal box shaped steel structure bottom, the workman squats for a long time or easily tired on the ground, be difficult to guarantee welding quality.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide an assembly method and measure bed-jig of regular hexagonal box shaped steel structure for the steel sheet of each constitution regular hexagonal box shaped steel structure easily hoists and aligns, and longitudinal length easily aligns when the construction, and provides a suitable welding position for the workman, avoids the workman to squat for a long time and produces fatigue and then cause welding quality to descend.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a regular hexagonal prism case shaped steel structure assembly measure bed-jig, includes the bottom plate, the bottom plate level sets up, the vertical locating support that is equipped with of bottom plate upper surface, the locating support top has first locating surface and second locating surface, first locating surface with the crossing first contained angle that constitutes 120 degrees of second locating surface, first contained angle opening is vertical upwards, first locating surface with the crossing line that constitutes of second locating surface is in the horizontal direction, the locating support for the protrusion height of bottom plate is 0.3 meters to 1.2 meters.
Like this, first locating surface and second locating surface constitute the ascending locating part that has 120 degrees contained angles of opening, when hoist and mount the steel sheet, first locating surface can play the guide effect, make the steel sheet slide down along first locating surface, the second locating surface plays limiting displacement, another steel sheet of repeated above-mentioned action hoist and mount slides down along the second locating surface, realize the location, remove two steel sheets along the intersection line direction and accomplish length direction's alignment, the equipment of the arbitrary angle of completion regular hexagonal box shaped steel structure that like this can be convenient. The height of the positioning support is set between 0.3 meter and 1.2 meters, so that the workers do not need to squat to work, and the phenomenon that the welding quality is reduced due to long-time squat fatigue operation is avoided. Particularly, the height of the positioning bracket is set to be between 0.3 and 1.2 meters, when the positioning bracket is 0.3 meter high, in combination with the practical production that the length of the bottom edge of the processed maximum regular hexagonal box-shaped steel structure is 1.5 meters, in combination with the measure jig, the first positioning surface of the measure jig is generally required to be larger than the first steel plate, and in consideration of the limit condition, the first steel plate is completely attached to the first positioning surface, the height of a welding seam on the upper side of the vertical side of the regular hexagonal box section steel structure, which is separated from the bottom plate, is the height of the positioning support and the side length of the bottom side of the regular hexagonal box section steel structure, namely 1.8 meters, for operators with ordinary height, the welding can be finished by stretching hands slightly when standing, when the outside welding seam of full weld, make operating personnel handle a suitable operating position through rotatory regular hexagonal prism case shaped steel structure, need not squat the operation for a long time and avoid fatigue construction, influence welding quality. When the locating support height was 1.2 meters, when considering that the equipment is miniature six arriss case shaped steel structure, base length was 0.4 meters, and the welding seam of the vertical limit upside of six arriss case shaped steel structure is 1.6 meters apart from the bottom plate height like this, completion welding that can be convenient when operating personnel stood like this need not squat and lie prostrate, avoids tired operation.
Preferably, the number of the positioning brackets is 2, the two positioning brackets are arranged at intervals, and the intersecting lines of the two positioning brackets are positioned on the same horizontal line.
Like this, 2 setting of locating support mainly is for being used for longer regular hexagonal prism case shaped steel structure, uses two identical locating support to make the location more firm, reliable.
Preferably, the first locating surface is an upper side plate surface of the first locating plate, the second locating surface is an upper side plate surface of the second locating plate, the first locating plate and the second locating plate are formed by H-shaped steel and are identical in size, a web plate of the first locating plate is connected with a web plate of the second locating plate and are located in the same vertical plane, and the lower side plate surface of the first locating plate and the lower side plate surface of the second locating plate are connected to form a 120-degree second included angle with a vertical upward opening.
Like this, first locating plate all adopts H shaped steel with the second locating plate, has reduced the acquisition degree of difficulty of raw and other materials, and the setting of this mode is used for supporting the constitution steel sheet of regular hexagonal case shaped steel structure with the side of H shaped steel, ensures that first locating surface has sufficient area to be used for accurate positioning, and should set up mode intensity good, can support the regular hexagonal case shaped steel structure of basis weight when bearing.
Preferably, a supporting plate is vertically arranged on the lower sides of the first positioning plate and the second positioning plate, and the supporting plate is made of an H-shaped steel plate.
Like this, the setting of backup pad can be convenient when the measure bed-jig set up the height of locating support, and H shaped steel board chooses for use to make the backup pad have good intensity and location ability.
Preferably, the intersecting line is perpendicular to the web plate of the support plate, the lower side plate surfaces of the first positioning plate and the second positioning plate are connected with the upper part of the support plate, and the positioning brackets are symmetrically arranged along a vertical plane passing through the intersecting line.
Like this, the locating support is along passing the vertical plane symmetrical arrangement of intersect, and the locating support can be with the weight of regular hexagonal prism box shaped steel structure along first locating surface and second locating surface symmetric distribution when the bearing like this, and the locating support atress is rational in infrastructure, avoids the locating support atress uneven with produce the skew.
Preferably, a reinforcing plate is vertically arranged on the web plate of the supporting plate and is located under the second included angle.
Like this, the setting of reinforcing plate has improved the bearing capacity of locating support in the equipment large-scale regular hexagonal box shaped steel structure for the measure bed-jig has good bearing effect.
Preferably, a third positioning plate is vertically arranged on the upper surface of the bottom plate, the third positioning plate and the positioning support are arranged at intervals in the horizontal direction, the third positioning plate is right opposite to the positioning support, the intersection line is perpendicular to the third positioning plate, the difference between the height of the third positioning plate extending out of the bottom plate and the height of the positioning support extending out of the bottom plate is larger than the length of the side of the bottom edge of the assembled regular hexagonal box-shaped steel structure, and the width of the third positioning plate is larger than the distance between any two opposite sides of the bottom surface of the assembled regular hexagonal box-shaped steel structure.
Like this, the setting of third locating plate can make things convenient for regular hexagonal case shaped steel structure to carry out length direction's alignment when the equipment, specifically only need when the hoist and mount steel sheet remove the steel sheet make its one end and locating surface laminating can. The third locating surface vertically provides a reference surface for regular hexagonal box shaped steel structure like this, ensures that regular hexagonal box shaped steel structure vertically aligns. The concrete setting mode of the third positioning surface can ensure that the hexagonal sides of the regular hexagonal box-shaped steel structure are all abutted against the third positioning surface.
Preferably, a slide rail is arranged on the bottom plate along the intersecting line direction, the lower end of the third positioning plate is slidably arranged on the slide rail, and a positioning mechanism for positioning the third positioning plate after sliding is further arranged between the third positioning plate and the slide rail.
Like this, the third locating plate can follow bottom plate slidable sets up mainly is the regular hexagonal prism box shaped steel structure that is used for assembling different length, ensures that there is suitable distance between third locating surface and the location support, and positioning mechanism's setting plays the effect of restriction third locating surface removal, ensures that the third locating surface is when reacing suitable position, no longer removes. The specific limiting device can be a protrusion fixedly connected on the sliding rail, or a limiting screw arranged on the sliding rail, and the like.
A method for assembling a regular hexagonal box steel structure, comprising the steps of obtaining the jig frame of the assembly measure for the regular hexagonal box steel structure according to any one of claims 1 to 8, and then:
(1) according to the required blanking, a first steel plate, a second steel plate, a third steel plate, a fourth steel plate, a fifth steel plate and a sixth steel plate which are consistent in shape and size and a diaphragm plate which is consistent in shape and size with the cross section of the regular hexagonal box section steel are obtained, wherein the first steel plate, the second steel plate, the third steel plate, the fourth steel plate, the fifth steel plate and the sixth steel plate are rectangular steel plates;
(2) hoisting the first steel plate to a positioning support on the assembly measure jig frame to enable one side surface of the first steel plate to be attached to the first positioning surface, hoisting the second steel plate to enable one side surface of the second steel plate to be attached to the second steel plate, moving the first steel plate and the second steel plate to achieve longitudinal alignment, and fixing welding seams formed by the aligned first steel plate and the aligned second steel plate in the intersecting line direction in a spot welding mode;
(3) placing the diaphragm plate perpendicular to the first steel plate and the second steel plate, inserting one corner of the diaphragm plate into an included angle formed by the first steel plate and the second steel plate, enabling two edges of the diaphragm plate to be respectively attached to the upper surfaces of the first steel plate and the second steel plate, realizing temporary fixation of the diaphragm plate, and checking whether the diaphragm plate is perpendicular to the first steel plate and the second steel plate;
(4) if not, removing the diaphragm plate, and repeating the step 3;
(5) if yes, welding seams formed at the intersection positions of the inner side surfaces of the first steel plate and the second steel plate and the diaphragm plate in a spot welding mode, and fixing the diaphragm plate;
(6) hoisting the third steel plate to the assembly measure jig frame to enable the inner side face of the third steel plate to be tightly attached to the vertical side of the transverse partition plate, enabling the long side of the lower portion of the third steel plate to be tightly attached to the first steel plate, moving the third steel plate to be longitudinally aligned with the first steel plate, performing spot welding on a weld joint parallel to the intersecting line direction and formed by the third steel plate and the first steel plate, performing spot welding on a weld joint formed by the inner side face of the third steel plate and the vertical side of the transverse partition plate, and fixing the third steel plate and the transverse partition plate;
(7) hoisting the fourth steel plate to the assembly measure jig frame to enable the inner side face of the fourth steel plate to be tightly attached to the other vertical side of the transverse partition plate, enabling the long side of the lower portion of the fourth steel plate to be tightly attached to the second steel plate, moving the fourth steel plate to be longitudinally aligned with the first steel plate, performing spot welding on a weld joint parallel to the intersecting line direction and formed by the fourth steel plate and the second steel plate, performing spot welding on a weld joint formed by the inner side face of the fourth steel plate and the other vertical side of the transverse partition plate, and fixing the fourth steel plate and the transverse partition plate;
(8) hoisting the fifth steel plate to the assembly measure jig frame to enable the inner side face of the fifth steel plate to be attached to the transverse partition plate, enabling the long side of the lower portion of the fifth steel plate to be attached to the long side of one side, far away from the first steel plate, of the third steel plate, moving the fifth steel plate to be longitudinally aligned with the first steel plate, performing spot welding on a weld joint, parallel to the direction of the intersecting line, formed by the fifth steel plate and the third steel plate, performing spot welding on the weld joint, formed by the inner side face of the fifth steel plate and the transverse partition plate, of the fifth steel plate, and fixing the fifth steel plate and the transverse partition plate;
(9) welding the diaphragm plate and welding seams formed by the first steel plate, the second steel plate, the third steel plate, the fourth steel plate and the fifth steel plate in the regular hexagonal box type steel structure by adopting gas shielded welding;
(10) hoisting the sixth steel plate, respectively connecting two long sides of the sixth steel plate with the fifth steel plate and the fourth steel plate, moving the sixth steel plate to be longitudinally aligned with the first steel plate, welding a welding seam formed by the sixth steel plate, the fifth steel plate and the fourth steel plate, arranging an opening at the matching position of the sixth steel plate and the transverse clapboard, and welding the sixth steel plate and the transverse clapboard through the opening by using electroslag welding;
(11) and after all the steel plates are assembled, rotating the regular hexagonal box type steel structure, welding the outer side seams formed among the steel plates, and fully welding and fixing the steel plates.
Like this, first locating surface and second locating surface constitute the ascending locating part that has 120 degrees contained angles of opening, when hoist and mount the steel sheet, first locating surface can play the guide effect, make the steel sheet slide down along first locating surface, the second locating surface plays limiting displacement, another steel sheet of repeated above-mentioned action hoist and mount slides down along the second locating surface, realize the location, remove two steel sheets along the intersection line direction and accomplish length direction's alignment, the equipment of the arbitrary angle of completion regular hexagonal box shaped steel structure that like this can be convenient. Spot welding the first steel plate and the second steel plate, then spot welding a transverse partition plate which is consistent with the cross section of the regular hexagonal box-shaped steel structure in shape and size by being vertical to the two steel plates, and inserting one corner of the transverse partition plate into one corner of the regular hexagonal box-shaped steel structure formed by the two steel plates. The effect that can play location and support of cross slab, make on the locating support of so setting with first steel sheet, the third steel sheet that the second steel is connected, the fourth steel sheet is in vertical position, vertical hoist and mount are more convenient than the slant location with the location, the third steel sheet one end butt of vertical hoist and mount is on one side of location platform, a side of the third steel sheet of vertical hoist and mount is realized the location with the cross slab counterbalance, length direction's alignment is realized to the third steel sheet of the vertical hoist and mount of horizontal migration, accomplish vertical hoist and mount third steel sheet and cross slab and first steel sheet and second steel sheet spot welding and be connected. And finishing the installation of the fourth steel plate according to the step of hoisting the third steel plate. And hoisting the inclined fifth steel plate connected with the vertical third steel plate, and then fully welding and fixing the first steel plate, the second steel plate, the third steel plate, the fourth steel plate, the fifth steel plate and the transverse partition plate through gas shielded welding, wherein the gas shielded welding can improve the quality of a welding seam, reduce the width of a heating action belt of the welding seam, and avoid material oxidation. And then welding and fixing the sixth steel plate to complete the assembly. And after the welding is finished, the steel plates form outer seams and are fully welded, and the connection of the regular hexagonal box-shaped structure is finished. This regular hexagonal box shaped steel structure assembly method cooperation measure bed-jig can conveniently accomplish the alignment of regular hexagonal box shaped steel structure length direction when assembling regular hexagonal box shaped steel structure, and the steel sheet of respectively constituteing regular hexagonal box shaped steel structure easily hoists and aims at, and the vertical setting of locating table makes the welding seam that forms between each steel sheet of workman be in a reasonable height on the take the altitude like this for the workman is in the position of easy operation and welds, avoids squatting for a long time and influences welding quality. Specifically, the height of the positioning support is set between 0.3 meter and 1.2 meters, so that the worker is ensured not to squat for work, and the phenomenon that the welding quality is reduced due to long-time squat fatigue operation is avoided. Particularly, the height of the positioning bracket is set to be between 0.3 and 1.2 meters, when the positioning bracket is 0.3 meter high, in combination with the practical production that the length of the bottom edge of the processed maximum regular hexagonal box-shaped steel structure is 1.5 meters, in combination with the measure jig, the first positioning surface of the measure jig is generally required to be larger than the first steel plate, and in consideration of the limit condition, the first steel plate is completely attached to the first positioning surface, the height of a welding seam on the upper side of the vertical side of the regular hexagonal box section steel structure, which is separated from the bottom plate, is the height of the positioning support and the side length of the bottom side of the regular hexagonal box section steel structure, namely 1.8 meters, for operators with ordinary height, the welding can be finished by stretching hands slightly when standing, when the outside welding seam of full weld, make operating personnel handle a suitable operating position through rotatory regular hexagonal prism case shaped steel structure, need not squat the operation for a long time and avoid fatigue construction, influence welding quality. When the locating support height was 1.2 meters, when considering that the equipment is miniature six arriss case shaped steel structure, base length was 0.4 meters, and the welding seam of the vertical limit upside of six arriss case shaped steel structure is 1.6 meters apart from the bottom plate height like this, completion welding that can be convenient when operating personnel stood like this need not squat and lie prostrate, avoids tired operation.
Preferably, the diaphragm plates are arranged in the regular hexagonal box section steel structure at intervals along the length direction of the regular hexagonal box section steel structure.
Like this, the setting of a plurality of diaphragms can obtain good location effect when fixing a position longer regular hexagonal prism box shaped steel structure. The integral strength of the regular hexagonal box type steel structure can be further enhanced by the plurality of transverse partition plates. The arrangement of a plurality of transverse partition plates, particularly more than 3 transverse partition plates, the transverse partition plate in the middle position is limited at the welding position with the sixth steel plate, namely the transverse partition plate in the middle position is in a closed space and is not in the position where a worker does not perform welding operation, so that a small opening is formed in the connecting part of the sixth steel plate and the transverse partition plate, and welding is realized through electroslag welding.
Drawings
FIG. 1 is a schematic structural view of a jig frame for assembling a regular hexagonal box-shaped steel structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a jig frame with a third positioning plate for a measure for assembling a regular hexagonal box-shaped steel structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram corresponding to step 2 in the method for assembling a regular hexagonal box section steel structure according to the present invention;
FIG. 4 is a schematic structural diagram corresponding to step 5 in the method for assembling the regular hexagonal box section steel structure according to the present invention;
FIG. 5 is a schematic structural diagram corresponding to step 8 in the method for assembling a regular hexagonal box section steel structure according to the present invention;
fig. 6 is a schematic structural diagram corresponding to step 10 in the method for assembling the regular hexagonal box section steel structure provided by the invention.
Wherein, 1 is the bottom plate, 2 is the locating support, 201 first locating plate, 202 is the second locating plate, 203 is the backup pad, 204 is the reinforcing plate, 3 is the third locating plate, 4 is first steel sheet, 5 is the second steel sheet, 6 is the third steel sheet, 7 is the fourth steel sheet, 8 is the fifth steel sheet, 9 is the sixth steel sheet, 10 is the cross-sectional plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of a jig for a regular hexagonal box section steel structure assembly measure provided in an embodiment of the present invention, fig. 2 is a schematic structural diagram of a jig with a third positioning plate for a regular hexagonal box section steel structure assembly measure provided in an embodiment of the present invention, fig. 3 is a schematic structural diagram corresponding to step 2 in a method for assembling a regular hexagonal box section steel structure provided in the present invention, fig. 4 is a schematic structural diagram corresponding to step 5 in a method for assembling a regular hexagonal box section steel structure provided in the present invention, fig. 5 is a schematic structural diagram corresponding to step 8 in a method for assembling a regular hexagonal box section steel structure provided in the present invention, and fig. 6 is a schematic structural diagram corresponding to step 10 in a method for assembling a regular hexagonal box section steel structure provided in the present invention.
This embodiment provides a regular hexagonal box shaped steel structure assembly measure bed-jig, including bottom plate 1, 1 level setting of bottom plate, the vertical locating support 2 that is equipped with of 1 upper surface of bottom plate, 2 tops of locating support have first locating surface and second locating surface, first locating surface intersects the first contained angle that constitutes 120 degrees with the second locating surface, first contained angle opening is vertical upwards, the intersecting line that first locating surface intersects the constitution with the second locating surface is in the horizontal direction, locating support 2 is 0.3 meters to 1.2 meters for the height of stretching out of bottom plate 1.
Like this, first locating surface and second locating surface constitute the ascending locating part that has 120 degrees contained angles of opening, when hoist and mount the steel sheet, first locating surface can play the guide effect, make the steel sheet slide down along first locating surface, the second locating surface plays limiting displacement, another steel sheet of repeated above-mentioned action hoist and mount slides down along the second locating surface, realize the location, remove two steel sheets along the intersection line direction and accomplish length direction's alignment, the equipment of the arbitrary angle of completion regular hexagonal box shaped steel structure that like this can be convenient. The height of the positioning support is set between 0.3 meter and 1.2 meters, so that the workers do not need to squat to work, and the phenomenon that the welding quality is reduced due to long-time squat fatigue operation is avoided. Particularly, the height of the positioning bracket is set to be between 0.3 and 1.2 meters, when the positioning bracket is 0.3 meter high, in combination with the practical production that the length of the bottom edge of the processed maximum regular hexagonal box-shaped steel structure is 1.5 meters, in combination with the measure jig, the first positioning surface of the measure jig is generally required to be larger than the first steel plate, and in consideration of the limit condition, the first steel plate is completely attached to the first positioning surface, the height of a welding seam on the upper side of the vertical side of the regular hexagonal box section steel structure, which is separated from the bottom plate, is the height of the positioning support and the side length of the bottom side of the regular hexagonal box section steel structure, namely 1.8 meters, for operators with ordinary height, the welding can be finished by stretching hands slightly when standing, when the outside welding seam of full weld, make operating personnel handle a suitable operating position through rotatory regular hexagonal prism case shaped steel structure, need not squat the operation for a long time and avoid fatigue construction, influence welding quality. When the locating support height was 1.2 meters, when considering that the equipment is miniature six arriss case shaped steel structure, base length was 0.4 meters, and the welding seam of the vertical limit upside of six arriss case shaped steel structure is 1.6 meters apart from the bottom plate height like this, completion welding that can be convenient when operating personnel stood like this need not squat and lie prostrate, avoids tired operation.
In the embodiment, the number of the positioning brackets 2 is 2, two positioning brackets 2 are arranged at intervals, and the intersecting lines of the two positioning brackets 2 are located on the same horizontal line.
Like this, 2 setting of locating support mainly is for being used for longer regular hexagonal prism case shaped steel structure, uses two identical locating support to make the location more firm, reliable.
In this embodiment, the first positioning surface is an upper side plate surface of the first positioning plate 201, the second positioning surface is an upper side plate surface of the second positioning plate 202, the first positioning plate 201 and the second positioning plate 202 are both formed by H-shaped steel and have the same size, a web of the first positioning plate 201 is connected with a web of the second positioning plate 202 and is located in the same vertical plane, and the lower side plate surfaces of the first positioning plate 201 and the second positioning plate 202 are connected to form a second included angle of 120 degrees with a vertical upward opening.
Like this, first locating plate all adopts H shaped steel with the second locating plate, has reduced the acquisition degree of difficulty of raw and other materials, and the setting of this mode is used for supporting the constitution steel sheet of regular hexagonal case shaped steel structure with the side of H shaped steel, ensures that first locating surface has sufficient area to be used for accurate positioning, and should set up mode intensity good, can support the regular hexagonal case shaped steel structure of basis weight when bearing.
In the embodiment, a supporting plate 203 is vertically arranged at the lower side of the first positioning plate 201 and the second positioning plate 202, and the supporting plate 203 is made of an H-shaped steel plate
Like this, the setting of backup pad can be convenient when the measure bed-jig set up the height of locating support, and H shaped steel board chooses for use to make the backup pad have good intensity and location ability.
In this embodiment, the intersection line is perpendicular to the web of the supporting plate 203, the other sides of the first positioning plate 201 and the second positioning plate 202 are connected to the upper portion of the supporting plate 203, and the positioning brackets 2 are symmetrically arranged along a vertical plane passing through the intersection line.
Like this, the locating support is along passing the vertical plane symmetrical arrangement of intersect, and the locating support can be with the weight of regular hexagonal prism case shaped steel structure along first locating surface and second locating surface symmetric distribution when the bearing like this, and the locating support atress is rational in infrastructure, avoids the atress inequality and produces the skew.
In this embodiment, a reinforcing plate 204 is vertically disposed on the web of the supporting plate 203, and the reinforcing plate 204 is located right below the second included angle.
Like this, the setting of reinforcing plate has improved the bearing capacity of locating support in the equipment large-scale regular hexagonal box shaped steel structure for the measure bed-jig has good bearing effect.
In this embodiment, the vertical third locating plate 3 that is equipped with of bottom plate 1 upper surface, third locating plate 3 sets up along the horizontal direction interval with locating support 2, third locating plate 3 is just to locating support 2, the intersection line is perpendicular with third locating plate 3, the difference that the height that bottom plate 1 was stretched out to third locating plate 3 and locating support 2 stretched out the height of bottom plate 1 is greater than the base side length of the regular hexagonal box shaped steel structure of equipment, the width of third locating plate 3 is greater than the distance between the arbitrary relative both sides in the regular hexagonal box shaped steel structure bottom surface of equipment.
Like this, the setting of third locating plate can make things convenient for regular hexagonal case shaped steel structure to carry out length direction's alignment when the equipment, specifically only need when the hoist and mount steel sheet remove the steel sheet make its one end and locating surface laminating can. The third locating surface vertically provides a reference surface for regular hexagonal box shaped steel structure like this, ensures that regular hexagonal box shaped steel structure vertically aligns. The specific setting mode of the third positioning surface can ensure that the hexagonal sides of the regular hexagonal box-shaped steel structure are all abutted against the third positioning surface.
In this embodiment, a slide rail is arranged on the bottom plate 1 along the intersecting line direction, the lower end of the third positioning plate 3 is slidably disposed on the slide rail, and a positioning mechanism for positioning the third positioning plate 3 after sliding is further disposed between the third positioning plate 3 and the slide rail.
Like this, but movable third locating plate is mainly used for assembling the regular hexagonal prism box shaped steel structure of different length, ensures that there is suitable distance between third locating surface and the locating support, and stop device's setting plays the effect that the restriction third locating surface removed, ensures that the third locating surface is not removing when reacing suitable position. The specific limiting device can be a protrusion fixedly connected on the sliding rail, or a limiting screw arranged on the sliding rail, and the like.
A method for assembling a regular hexagonal box steel structure, comprising the steps of obtaining the jig frame of the assembly measure for the regular hexagonal box steel structure according to any one of claims 1 to 8, and then:
(1) according to the required blanking, a first steel plate 4, a second steel plate 5, a third steel plate 6, a fourth steel plate 7, a fifth steel plate 8 and a sixth steel plate 9 which are consistent in shape and size and a diaphragm plate 10 which is consistent in size and shape with the cross section of the regular hexagonal box section steel are obtained, wherein the first steel plate 4, the second steel plate 5, the third steel plate 6, the fourth steel plate 7, the fifth steel plate 8 and the sixth steel plate 9 are rectangular steel plates;
(2) hoisting a first steel plate 4 with a regular hexagonal box-shaped structure onto a positioning support on an assembly measure jig, fitting one side surface of the first steel plate 4 with a first positioning surface, hoisting a second steel plate 5 to fit one side surface of the second steel plate 5, moving the first steel plate 4 and the second steel plate 5 to realize longitudinal alignment, and fixing a welding seam formed by the aligned first steel plate 4 and the aligned second steel plate 5 along the intersecting line direction in a spot welding manner;
(3) placing the diaphragm plate 10 to be perpendicular to the first steel plate 4 and the second steel plate 5, inserting one corner of the diaphragm plate 10 into an included angle formed by the first steel plate 4 and the second steel plate 5, respectively attaching two edges of the diaphragm plate 10 to the upper surfaces of the first steel plate 4 and the second steel plate 5, realizing temporary fixation of the diaphragm plate, and checking whether the diaphragm plate 10 is perpendicular to the first steel plate 4 and the second steel plate 5;
(4) if not, the diaphragm plate 10 is removed, and the step 3 is repeated;
(5) if yes, spot welding a welding seam formed by intersecting the inner side surface of the first steel plate 4, the inner side surface of the second steel plate 5 and the diaphragm plate 10, and fixing the diaphragm plate 10;
(6) hoisting a third steel plate 6 onto an assembly measure jig frame, enabling the inner side surface of the third steel plate 6 to be attached to the vertical side of the transverse partition plate 10, enabling the long side of the lower part of the third steel plate 6 to be attached to the first steel plate 4, moving the third steel plate 6 to be longitudinally aligned with the first steel plate 4, performing spot welding on a weld joint parallel to the intersecting line direction and formed by the third steel plate 6 and the first steel plate 4, performing spot welding on a weld joint formed by the inner side surface of the third steel plate 6 and the vertical side of the transverse partition plate 10, and fixing the third steel plate 6 and the transverse partition plate 10;
(7) hoisting the fourth steel plate 7 onto the assembly measure jig frame, enabling the inner side surface of the fourth steel plate 7 to be tightly attached to the other vertical side of the transverse partition plate 10, enabling the long side of the lower part of the fourth steel plate 7 to be tightly attached to the second steel plate 5, moving the fourth steel plate 7 to be longitudinally aligned with the first steel plate 4, performing spot welding on a weld joint in the direction of a parallel intersecting line formed by the fourth steel plate 7 and the second steel plate 5, performing spot welding on a weld joint formed by the inner side surface of the fourth steel plate 7 and the other vertical side of the transverse partition plate 10, and fixing the fourth steel plate 7 and the transverse partition plate;
(8) hoisting the fifth steel plate 8 onto an assembly measure jig frame, enabling the inner side surface of the fifth steel plate 8 to be attached to the transverse partition plate 10, enabling the long side of the lower part of the fifth steel plate 8 to be attached to the long side of the third steel plate 6 far away from the first steel plate 4, moving the fifth steel plate 8 to be longitudinally aligned with the first steel plate 4, performing spot welding on a weld joint parallel to the intersecting line direction and formed by the fifth steel plate 8 and the third steel plate 6, performing spot welding on the weld joint formed by the inner side surface of the fifth steel plate 8 and the transverse partition plate 10, and fixing the fifth steel plate 8 and the transverse partition plate 10;
(9) the diaphragm plate 10 and welding seams formed by the first steel plate 4, the second steel plate 5, the third steel plate 6, the fourth steel plate 7 and the fifth steel plate 8 are fixed in the regular hexagonal box-shaped steel structure by adopting gas shielded welding;
(10) hoisting a sixth steel plate 9, respectively connecting two long sides of the sixth steel plate 9 with a fifth steel plate 8 and a fourth steel plate 7, moving the sixth steel plate 9 to be longitudinally aligned with the first steel plate 4, welding a welding seam formed by the sixth steel plate 9, the fifth steel plate 8 and the fourth steel plate 7 through welding spots, arranging an opening at the matching position of the sixth steel plate 9 and a transverse partition plate 10, and welding the sixth steel plate 9 and the transverse partition plate 10 through the opening by using electroslag welding;
(11) and after all the steel plates are assembled, rotating the regular hexagonal box type steel structure, welding the outer side seams formed among the steel plates, and fully welding and fixing the steel plates.
Like this, first locating surface and second locating surface constitute the ascending locating part that has 120 degrees contained angles of opening, when hoist and mount the steel sheet, first locating surface can play the guide effect, make the steel sheet slide down along first locating surface, the second locating surface plays limiting displacement, another steel sheet of repeated above-mentioned action hoist and mount slides down along the second locating surface, realize the location, remove two steel sheets along the intersection line direction and accomplish length direction's alignment, the equipment of the arbitrary angle of completion regular hexagonal box shaped steel structure that like this can be convenient. Spot welding the first steel plate and the second steel plate, then spot welding a transverse partition plate which is consistent with the cross section of the regular hexagonal box-shaped steel structure in shape and size by being vertical to the two steel plates, and inserting one corner of the transverse partition plate into one corner of the regular hexagonal box-shaped steel structure formed by the two steel plates. The effect that can play location and support of cross slab, make on the locating support of so setting with first steel sheet, the third steel sheet that the second steel is connected, the fourth steel sheet is in vertical position, vertical hoist and mount are more convenient than the slant location with the location, the third steel sheet one end butt of vertical hoist and mount is on one side of location platform, a side of the third steel sheet of vertical hoist and mount is realized the location with the cross slab counterbalance, length direction's alignment is realized to the third steel sheet of the vertical hoist and mount of horizontal migration, accomplish vertical hoist and mount third steel sheet and cross slab and first steel sheet and second steel sheet spot welding and be connected. And finishing the installation of the fourth steel plate according to the step of hoisting the third steel plate. And hoisting the inclined fifth steel plate connected with the vertical third steel plate, and then fully welding and fixing the first steel plate, the second steel plate, the third steel plate, the fourth steel plate, the fifth steel plate and the transverse partition plate through gas shielded welding, wherein the gas shielded welding can improve the quality of a welding seam, reduce the width of a heating action belt of the welding seam, and avoid material oxidation. And then welding and fixing the sixth steel plate to complete the assembly. And after the welding is finished, the steel plates form outer seams and are fully welded, and the connection of the regular hexagonal box-shaped structure is finished. This regular hexagonal box shaped steel structure assembly method cooperation measure bed-jig can conveniently accomplish the alignment of regular hexagonal box shaped steel structure length direction when assembling regular hexagonal box shaped steel structure, and the steel sheet of respectively constituteing regular hexagonal box shaped steel structure easily hoists and aims at, and the vertical setting of locating table makes the welding seam that forms between each steel sheet of workman be in a reasonable height on the take the altitude like this for the workman is in the position of easy operation and welds, avoids squatting for a long time and influences welding quality. Specifically, the height of the positioning support is set between 0.5 meter and 1.2 meters, so that the worker is ensured not to squat for work, and the phenomenon that the welding quality is reduced due to long-time squat fatigue operation is avoided. Particularly, the height of the positioning bracket is set to be between 0.3 and 1.2 meters, when the positioning bracket is 0.3 meter high, in combination with the practical production that the length of the bottom edge of the processed maximum regular hexagonal box-shaped steel structure is 1.5 meters, in combination with the measure jig, the first positioning surface of the measure jig is generally required to be larger than the first steel plate, and in consideration of the limit condition, the first steel plate is completely attached to the first positioning surface, the height of a welding seam on the upper side of the vertical side of the regular hexagonal box section steel structure, which is separated from the bottom plate, is the height of the positioning support and the side length of the bottom side of the regular hexagonal box section steel structure, namely 1.8 meters, for operators with ordinary height, the welding can be finished by stretching hands slightly when standing, when the outside welding seam of full weld, make operating personnel handle a suitable operating position through rotatory regular hexagonal prism case shaped steel structure, need not squat the operation for a long time and avoid fatigue construction, influence welding quality. When the locating support height was 1.2 meters, when considering that the equipment is miniature six arriss case shaped steel structure, base length was 0.4 meters, and the welding seam of the vertical limit upside of six arriss case shaped steel structure is 1.6 meters apart from the bottom plate height like this, completion welding that can be convenient when operating personnel stood like this need not squat and lie prostrate, avoids tired operation.
In the step 3, the diaphragm plate 10 is temporarily fixed by attaching two rectangular blocks to the two side edges of the diaphragm plate 10, and when welding in the step 5, spot welding is firstly realized on the welding seam below the two rectangular blocks, and then spot welding of the area where the rectangular blocks are located is realized after the two rectangular blocks are removed.
Like this, conveniently realize interim equipment fixed, improve welding and assembly efficiency.
In the method embodiment, the diaphragms 10 are arranged at intervals in the regular hexagonal box section steel structure along the length direction of the regular hexagonal box section steel structure.
Like this, the setting of a plurality of diaphragms can obtain good location effect when fixing a position longer regular hexagonal prism box shaped steel structure. The integral strength of the regular hexagonal box type steel structure can be further enhanced by the plurality of transverse partition plates. The arrangement of a plurality of transverse partition plates, particularly more than 3 transverse partition plates, the transverse partition plate in the middle position is limited at the welding position with the sixth steel plate, namely the transverse partition plate in the middle position is in a closed space and is not in the position where a worker does not perform welding operation, so that a small opening is formed in the connecting part of the sixth steel plate and the transverse partition plate, and welding is realized through electroslag welding.
Claims (4)
1. The method for assembling the regular hexagonal box type steel structure is characterized by comprising the following steps of:
firstly, obtain a regular hexagonal case shaped steel structure assembly measure bed-jig, this regular hexagonal case shaped steel structure assembly measure bed-jig includes bottom plate (1), bottom plate (1) level sets up, bottom plate (1) upper surface is vertical to be equipped with locating support (2), locating support (2) top has first locating surface and second locating surface, first locating surface with the crossing first contained angle that constitutes 120 degrees of second locating surface, first contained angle opening is vertical upwards, first locating surface with the crossing line that constitutes of second locating surface crossing is in the horizontal direction, first locating surface is the upside face of first locating plate (201), the second locating surface is the upside face of second locating plate (202), first locating plate (201) with second locating plate (202) constitute and the size is the same by H shaped steel, the web of first locating plate (201) with the web of second locating plate (202) links to each other and is in same vertical plane The lower side plate surfaces of the first positioning plate (201) and the second positioning plate (202) are connected to form a second included angle of 120 degrees with an opening vertically upwards; a support plate (203) is vertically arranged on the lower sides of the first positioning plate (201) and the second positioning plate (202), and the support plate (203) is made of an H-shaped steel plate; the intersection line is perpendicular to a web plate of the support plate (203), the lower side plate surfaces of the first positioning plate (201) and the second positioning plate (202) are connected with the upper part of the support plate (203), the positioning supports (2) are symmetrically arranged along a vertical plane passing through the intersection line, the extending height of the positioning supports (2) relative to the bottom plate (1) is 0.3-1.2 m, a third positioning plate (3) is vertically arranged on the upper surface of the bottom plate (1), the third positioning plate (3) and the positioning supports (2) are arranged at intervals along the horizontal direction, the third positioning plate (3) is over against the positioning supports (2), the intersection line is perpendicular to the third positioning plate (3), the difference between the height of the third positioning plate (3) extending out of the bottom plate (1) and the height of the positioning supports (2) extending out of the bottom plate (1) is larger than the bottom side length of the assembled regular hexagonal box type steel structure, the width of the third positioning plate (3) is greater than the distance between any two opposite sides of the bottom surface of the assembled regular hexagonal box type steel structure; a sliding rail is arranged on the bottom plate (1) along the intersecting line direction, the lower end of the third positioning plate (3) is slidably arranged on the sliding rail, and a positioning mechanism for positioning the third positioning plate (3) after sliding is further arranged between the third positioning plate (3) and the sliding rail;
then the following steps are executed:
(1) according to the required blanking, a first steel plate (4), a second steel plate (5), a third steel plate (6), a fourth steel plate (7), a fifth steel plate (8), a sixth steel plate (9) and a diaphragm plate (10) which is consistent with the cross section of the regular hexagonal box section steel in shape and size are obtained, wherein the first steel plate (4), the second steel plate (5), the third steel plate (6), the fourth steel plate (7), the fifth steel plate (8) and the sixth steel plate (9) are rectangular steel plates;
(2) hoisting the first steel plate (4) to a positioning support on the assembly measure jig, enabling one side surface of the first steel plate (4) to be attached to the first positioning surface, hoisting the second steel plate (5) to enable one side surface of the second steel plate (5) to be attached to the second steel plate (5), moving the first steel plate (4) and the second steel plate (5) to achieve longitudinal alignment, and fixing welding seams formed by the aligned first steel plate (4) and the aligned second steel plate (5) along the intersecting line direction in a spot welding mode;
(3) placing the diaphragm plate (10) to be perpendicular to the first steel plate (4) and the second steel plate (5), inserting one corner of the diaphragm plate (10) into an included angle formed by the first steel plate (4) and the second steel plate (5), enabling two edges of the diaphragm plate (10) to be respectively attached to the upper surfaces of the first steel plate (4) and the second steel plate (5), realizing temporary fixation of the diaphragm plate, and checking whether the diaphragm plate (10) is perpendicular to the first steel plate (4) and the second steel plate (5);
(4) if not, the diaphragm plate (10) is removed, and the step 3 is repeated;
(5) if yes, welding seams formed at the intersection positions of the inner side surfaces of the first steel plate (4) and the second steel plate (5) and the diaphragm plate (10) are subjected to spot welding, and the diaphragm plate (10) is fixed;
(6) hoisting the third steel plate (6) to the assembly measure jig frame to enable the inner side face of the third steel plate (6) to be attached to the vertical side of the transverse partition plate (10), enabling the long side of the lower portion of the third steel plate (6) to be attached to the first steel plate (4), moving the third steel plate (6) to be longitudinally aligned with the first steel plate (4), performing spot welding on a weld joint formed by the third steel plate (6) and the first steel plate (4) and parallel to the intersecting line direction, performing spot welding on a weld joint formed by the inner side face of the third steel plate (6) and the vertical side of the transverse partition plate (10), and fixing the third steel plate (6) and the transverse partition plate (10);
(7) hoisting the fourth steel plate (7) to the assembly measure jig frame, enabling the inner side face of the fourth steel plate (7) to be tightly attached to the other vertical side of the transverse partition plate (10), enabling the long side of the lower portion of the fourth steel plate (7) to be tightly attached to the second steel plate (5), moving the fourth steel plate (7) to be longitudinally aligned with the first steel plate (4), performing spot welding on a weld joint formed by the fourth steel plate (7) and the second steel plate (5) and parallel to the intersecting line direction, performing spot welding on a weld joint formed by the inner side face of the fourth steel plate (7) and the other vertical side of the transverse partition plate (10), and fixing the fourth steel plate (7) and the transverse partition plate (10);
(8) hoisting the fifth steel plate (8) to the assembly measure jig frame to enable the inner side face of the fifth steel plate (8) to be tightly attached to the diaphragm plate (10), enabling the long side of the lower portion of the fifth steel plate (8) to be tightly attached to the long side of one side, far away from the first steel plate (4), of the third steel plate (6), moving the fifth steel plate (8) to be longitudinally aligned with the first steel plate (4), performing spot welding on a weld joint, parallel to the intersecting line direction, formed by the fifth steel plate (8) and the third steel plate (6), performing spot welding on a weld joint, formed by the inner side face of the fifth steel plate (8) and the diaphragm plate (10), and fixing the fifth steel plate (8) and the diaphragm plate (10);
(9) the transverse partition plate (10) is welded in the regular hexagonal box-shaped steel structure in a gas shielded manner, and the welding seams formed by the first steel plate (4), the second steel plate (5), the third steel plate (6), the fourth steel plate (7) and the fifth steel plate (8) are fully welded and fixed;
(10) hoisting the sixth steel plate (9), respectively connecting two long sides of the sixth steel plate (9) with the fifth steel plate (8) and the fourth steel plate (7), moving the sixth steel plate (9) to be longitudinally aligned with the first steel plate (4), welding a welding seam formed by the sixth steel plate (9), the fifth steel plate (8) and the fourth steel plate (7), arranging an opening at the matching position of the sixth steel plate (9) and the transverse partition plate (10), and welding the sixth steel plate (9) and the transverse partition plate (10) through the opening by electroslag welding;
(11) and after all the steel plates are assembled, rotating the regular hexagonal box type steel structure, welding the outer side seams formed among the steel plates, and fully welding and fixing the steel plates.
2. The method for assembling a regular hexagonal box section steel structure according to claim 1, wherein the number of the positioning brackets (2) is 2, the two positioning brackets (2) are spaced apart and the intersecting lines of the two positioning brackets (2) are located on the same horizontal line.
3. The method for assembling the regular hexagonal box steel structure according to claim 1, wherein a reinforcing plate (204) is vertically provided on the web of the supporting plate (203), and the reinforcing plate (204) is located right below the second included angle.
4. The method of assembling a regular hexagonal box section steel structure according to claim 1, wherein the diaphragms (10) are provided in plurality at intervals in the regular hexagonal box section steel structure in a length direction of the regular hexagonal box section steel structure.
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| CN108890561B (en) * | 2018-06-28 | 2023-12-26 | 中船澄西船舶修造有限公司 | Jig frame for manufacturing large-scale shelf and shelf manufacturing method |
| CN108755442B (en) * | 2018-08-21 | 2023-12-22 | 中电建十一局工程有限公司 | Guide and positioning device for high-altitude installation of large steel member |
| CN114043150B (en) * | 2021-11-27 | 2023-10-10 | 北钢建设集团股份有限公司 | Welding auxiliary equipment for box steel member and processing technology thereof |
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