CN106760201B - Concave-convex groove-shaped steel at corner and internal connection combined column thereof - Google Patents
Concave-convex groove-shaped steel at corner and internal connection combined column thereof Download PDFInfo
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- CN106760201B CN106760201B CN201611254819.6A CN201611254819A CN106760201B CN 106760201 B CN106760201 B CN 106760201B CN 201611254819 A CN201611254819 A CN 201611254819A CN 106760201 B CN106760201 B CN 106760201B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a concave-convex groove-shaped steel at a corner and an internal connection combined column thereof, which comprises four square tube side surfaces, wherein the four square tube side surfaces are formed by bending and encircling a steel plate, at least one vertex angle is set to be an inclined surface, a concave notch formed by bending is arranged on the inclined surface, and a bending internal slideway which is the same as the notch in direction and has a width larger than the width of the notch is arranged in the notch. The concave-convex groove-shaped steel at each corner is fixed together through a connecting rod to form an internal fork-shaped connecting combined column. The connecting rod with the inner sleeve plate is utilized to realize quick and stable connection, and the construction speed is high and the effect is good. The structural design of the internal fork-shaped connecting combined column can greatly improve the moment of inertia, so that the bending resistance and the torsional strength of the square tube are improved.
Description
Technical Field
The invention mainly relates to the technical field of cold-formed steel structural sections, in particular to a groove-shaped steel with concave-convex corners and an internal connection combination column thereof.
Background
Square steel and round steel pipes are hollow long steel materials, and are the most frequently used pipe fittings in the current engineering field. Square steel and round steel pipes have not only bending resistance and torsional strength but also a lighter weight, and are widely used for manufacturing mechanical parts and engineering structures. In the prior art, small-sized square steel and cylindrical pipes are generally divided into hot-rolled seamless round pipes, cold-drawn seamless round pipes, extruded seamless round pipes and welded round pipes, the cross-sectional shape of the round pipes is generally a conventional cylinder, and in recent years, round pipes with other cross-sectional shapes also appear, but the moment of inertia of the round pipes is not greatly improved, the use amount of steel in the fields for manufacturing mechanical parts and engineering structures cannot be greatly reduced, and the dead weight and the lifting strength of the mechanical parts and the engineering projects are not greatly improved.
In addition, the connection and fixation between the existing square steel and the round pipe are still solved through welding, and as the process characteristics of welding are that the connection speed is low, the stability of welding quality is poor, the factors influenced by welding operators are large, and common people are difficult to operate.
Disclosure of Invention
In order to solve the problems and the defects of low moment of inertia, high connection difficulty and the like of round steel pipes in the prior art, the invention provides a concave-convex groove-shaped steel with a corner and an internal connection combined column thereof, which are used for improving and solving the problems.
The technical scheme of the invention is as follows: the concave-convex groove-shaped steel comprises four rectangular side rectangular pipes which are bent and encircled by a steel plate, at least one vertex angle is set to be an inclined plane, a concave notch which is formed by bending is arranged on the inclined plane, and a bending inner slideway which is formed by bending and has the same direction as the notch but a width larger than the width of the notch is arranged inside the notch; the notch comprises two notch side surfaces connected with the inclined surface; the inner slide way is a rectangular slide way and comprises two slide way side faces, a slide way bottom face and two slide way upper faces which are connected together; the upper surfaces of the two slide ways are respectively connected with the side surfaces of the two notch openings.
At least one side surface of the square rectangular tube is provided with a concave notch formed by bending, and a bent internal slideway which has the same direction as the notch and has a width larger than the width of the notch is arranged in the notch; the notch comprises two notch side surfaces connected with the inclined surface; the inner slide way is a rectangular slide way and comprises two slide way side faces, a slide way bottom face and two slide way upper faces which are connected together; the upper surfaces of the two slide ways are respectively connected with the side surfaces of the two notch openings.
At least one of the vertex angles is provided with a connecting weld joint of the steel plate.
The bottom surface of inside slide is cold-formed buckled plate shape, perhaps, the compound one deck cold-formed buckled plate that fixes of bottom surface of inside slide.
The cross section of the corrugation is square corrugation, or saw tooth corrugation, or curve corrugation.
The inner fork-shaped connecting combined column comprises at least two concave-convex groove-shaped steel at the corners, wherein the inclined planes of the concave-convex groove-shaped steel at the corners are close to the inner sides and are fixed together through connecting rods, two ends of each connecting rod are respectively and vertically connected with an inner sleeve plate, the symmetrical outer side edge of each inner sleeve plate is respectively and inwards provided with a notch, and the edges of the inner sleeve plates are divided into an inner plate and an outer plate by the notches; the notches of the two inner sleeve plates are mutually perpendicular, screw holes are formed in the inner plates, adjusting bolts are installed on the inner plates, and the end faces of the adjusting bolts are in butt joint with the inner side faces of the outer plates.
When the concave-convex groove-shaped steel is combined at a plurality of vertex angles, the middle parts of the connecting rods are connected and combined into a whole through the reinforcing rods.
The inner sleeve plates positioned at the two ends of the gap connecting plate are respectively rectangular inner sleeve plates, and the length directions of the two rectangular inner sleeve plates are mutually perpendicular. The adjusting bolt is provided with an anti-reversion mechanism.
The anti-reversion mechanism is characterized in that a cam is hinged at the tail end of the adjusting bolt and is connected with a cam handle; or, the anti-reversion mechanism is characterized in that a vertical connecting rod is vertically fixed at the tail end of the adjusting bolt, and the tail end of the vertical connecting rod is hinged with a locking swing rod.
The inclined plane that each bight had unsmooth groove shaped steel leans on the inboard, is fixed together through the connecting rod, the both ends of connecting rod are connected with interior sleeve plate perpendicularly respectively, are provided with the through-hole on interior sleeve plate, install flat cap connecting bolt in the through-hole, flat cap connecting bolt includes screw rod and flat cap and nut, flat cap is located the inboard of interior sleeve plate, is provided with interior flat hole on the bottom surface of interior slide simultaneously, interior flat hole and flat cap profile matching and interior flat hole's aperture is greater than flat cap, and one side or both sides of interior flat hole are provided with the dog. The through holes on the inner sleeve plate are round holes or flat holes.
Or, inclined planes of concave-convex groove-shaped steel at each corner are close to the inner side and are fixed together through connecting rods, two ends of each connecting rod are respectively and vertically connected with inner sleeve plates, and elastic sheets are welded on symmetrical outer side edges of each inner sleeve plate; the elastic sheet directions of the two inner sleeve plates are mutually perpendicular, screw holes are formed in the inner sleeve plates, adjusting bolts are installed on the inner sleeve plates, and the end faces of the adjusting bolts are in butt joint with the inner side faces of the elastic sheets.
The invention has the technical effects that:
1. the invention adopts the improved concave-convex groove-shaped steel at the corner as the connecting main body to form the internal fork-shaped connecting combined column, and the connecting rod with the inner sleeve plate is utilized to realize quick and stable connection, thereby having high construction speed and good effect. In the connection structure of the concave-convex groove-shaped steel at the corner, a concave notch which is formed by bending is arranged on the side surface of the connection structure, and a bending internal slideway which is identical to the notch in direction and has a width larger than that of the notch is arranged in the notch.
2. The corner has unsmooth groove shaped steel connection structure can adopt the connecting piece to pass through bolted connection, makes the stability of connection quality promote, and connection structure form is various, and the flexibility is strong, reduces the operation degree of difficulty of connection process by a wide margin.
3. The bottom at the inside slide of this round quarter bend is the buckled plate shape, and the intensity of this round quarter bend of promotion that can be further, frictional force when connecting between this buckled plate can also promote the round quarter bend simultaneously.
4. The invention can be applied to scaffolds, building house steel skeleton, bridges, dams and the like, and applied to the machinery manufacturing industry for replacing the existing square tubes or round tubes.
5. The outer plate is adjusted by the adjusting bolt, the inner sleeve plate is free to slide to any proper position in the slideway with the concave-convex groove-shaped steel at the corner in a loose state, after the adjusting bolt is rotated, the outer plate can be gradually pressed, and finally the outer plate is propped in the antinode groove at the bottom surface of the caulking groove, so that the aim of fixed connection is fulfilled.
Drawings
FIG. 1 is a combined perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of a steel section with concave-convex grooves at the corners of the steel section;
FIG. 3 is a schematic cross-sectional structure of FIG. 1;
FIG. 4 is a schematic view of the cross-sectional B-B structure of FIG. 3;
FIG. 5 is a second schematic cross-sectional view of the steel section with concave-convex grooves at the corners of the invention;
FIG. 6 is one of the perspective views of FIG. 5;
FIG. 7 is a second perspective view of FIG. 5;
FIG. 8 is a schematic view of the connection structure of FIG. 4 in combination with FIG. 5;
FIG. 9 is a schematic view of the cross-sectional structure A-A of FIG. 6;
FIG. 10 is a schematic view of a connector structure according to the present invention;
FIG. 11 is a schematic side elevational view of FIG. 10;
FIG. 12 is a schematic view of yet another connector structure according to the present invention;
fig. 13 is a schematic view of a partial cross-sectional structure of the connection structure in fig. 10.
In the figure, reference numeral 1 is a square tube, 2 is a notch, 3 is an internal slide, 201 is a side of the notch, 301 is an upper face of the internal slide, 302 is a side of the internal slide, 303 is a bottom face of the internal slide, 304 is an antinode bottom face of the internal slide, 305 is an inclined face, 306 is a positioning hole, 4 is a weld joint, 5 is a connecting rod, 6 is an inner sleeve plate, 103 is a screw hole, 7 is a reinforcing rod, 8 is an outer plate, 9 is an adjusting bolt, 101 is a gap connecting plate, 102 is an inner sleeve plate, 102a is an inner plate, 102b is an outer plate, 103 is a screw hole, 105 is an adjusting bolt, 131 is a flat cap, 132 is a screw, 133 is a nut, 134 is a stopper, 135 is an inner flat hole, and 136 is an outer flat hole.
Detailed Description
Example 1: a steel plate is bent to surround four rectangular square tube sides, and one vertex angle is set as an inclined plane, see figure 2. At least one of the vertex angles is provided with a connecting weld joint of the steel plate. The inclined plane is provided with a concave notch formed by bending, and a bent internal slideway which has the same direction as the notch and has a width larger than the width of the notch is arranged in the notch; the notch comprises two notch side surfaces connected with the inclined surface; the inner slide way is a rectangular slide way and comprises two slide way side faces, a slide way bottom face and two slide way upper faces which are connected together; the upper surfaces of the two slide ways are respectively connected with the side surfaces of the two notch openings.
Meanwhile, in the embodiment, a concave notch formed by bending is arranged on each side surface of the square tube, and a bent inner slideway which has the same direction as the notch and has a width larger than the width of the notch is arranged in the notch; the notch comprises two notch side surfaces connected with the inclined surface; the inner slide way is a rectangular slide way and comprises two slide way side faces, a slide way bottom face and two slide way upper faces which are connected together; the upper surfaces of the two slide ways are respectively connected with the side surfaces of the two notch openings.
Example 2: referring to fig. 4 and 5, on the basis of embodiment 1, a layer of cold-formed corrugated plate can be fixed on the bottom surface of the inner slideway in a composite manner. The cross section of the corrugation is square corrugation, or saw tooth corrugation, or curve corrugation.
Example 3: an internal fork-shaped connecting combined column with concave-convex groove-shaped steel at the corners, as shown in fig. 1-4, is provided with four concave-convex groove-shaped steel at the corners, the inclined planes of the concave-convex groove-shaped steel at each corner are close to the inner side and are fixed together through connecting rods, two ends of each connecting rod are respectively and vertically connected with an inner sleeve plate, the symmetrical outer side edge of each inner sleeve plate is respectively and inwards provided with a notch, and the edges of the inner sleeve plates are separated into an inner plate and an outer plate by the notches; the notches of the two inner sleeve plates are mutually perpendicular, screw holes are formed in the inner plates, adjusting bolts are installed on the inner plates, and the end faces of the adjusting bolts are in butt joint with the inner side faces of the outer plates. The middle parts of the connecting rods are connected and combined into a whole through the reinforcing rods.
The inner sleeve plates positioned at the two ends of the gap connecting plate are respectively rectangular inner sleeve plates, and the length directions of the two rectangular inner sleeve plates are mutually perpendicular.
Example 4: on the basis of the embodiment 3, see fig. 1 and 5-9, another internal forked connecting combined column with concave-convex groove type steel at the corner is characterized in that a layer of cold-formed corrugated plate is fixed on the bottom surface of an internal slideway in a compound manner. The cross section of the corrugation is square corrugation, or saw tooth corrugation, or curve corrugation. Screw holes are formed in the inner plates of the inner sleeve plates and are provided with adjusting bolts, the end faces of the adjusting bolts are in butt joint with the inner side faces of the outer plates, and the outer plates are respectively clamped in the grooves of the corrugated plates.
The adjusting bolt is provided with an anti-reversion mechanism. The anti-reversion mechanism is characterized in that a cam is hinged at the tail end of an adjusting bolt and is connected with a cam handle; or, the anti-reversion mechanism is characterized in that a vertical connecting rod is vertically fixed at the tail end of the adjusting bolt, and the tail end of the vertical connecting rod is hinged with a locking swing rod.
Example 5: based on embodiment 3, a positioning hole 306 is provided at the bottom of the inner slide.
Example 6: still another corner has inside fork-shaped connection composite column of unsmooth groove shaped steel, on embodiment 3 basis, see fig. 1, fig. 2 and fig. 11, on embodiment 1 basis, each corner has the inclined plane of unsmooth groove shaped steel to lean on inboard, is fixed together through the connecting rod, the both ends of connecting rod are connected with the interior sleeve plate perpendicularly respectively, are provided with the through-hole on the interior sleeve plate, install flat cap connecting bolt in the through-hole, flat cap connecting bolt includes screw rod and flat cap and nut, flat cap is located the inboard of interior sleeve plate, is provided with interior flat hole on the bottom surface of interior slide simultaneously, interior flat hole and flat cap contour match and the aperture of interior flat hole is greater than flat cap, and one side or both sides of interior flat hole are provided with the dog. The through holes on the inner sleeve plate are round holes or flat holes.
Example 7: the other corner has the internal fork-shaped connection combination column of the concave-convex groove-shaped steel, see fig. 1, 2, 10, 11 and 13, on the basis of embodiment 1, each corner has the slope of concave-convex groove-shaped steel to lean on the inboard, fix together through the tie rod, the both ends of the said tie rod are connected with the inner sleeve plate vertically separately, symmetrical outside side welding of each inner sleeve plate has shrapnel; the elastic sheet directions of the two inner sleeve plates are mutually perpendicular, screw holes are formed in the inner sleeve plates, adjusting bolts are installed on the inner sleeve plates, and the end faces of the adjusting bolts are in butt joint with the inner side faces of the elastic sheets.
After all the connection points are positioned, the strength basically meets the use requirement. In order to achieve the aim of recycling, the water tank can be recycled through a disassembly and assembly mode. In addition, under the condition of no consideration of recycling, the connection can be enhanced by supplementing and fixing through a spot welding mode. The change of the shape of the notch and the change of the sliding shape under the guidance of the concept of the present invention are all within the scope of the present invention as long as the purpose is consistent with the purpose of the present invention, and are not described in detail herein.
Claims (1)
1. An internal fork-shaped connecting combined column with concave-convex groove-shaped steel at the corner comprises at least two concave-convex groove-shaped steel at the corner,
the corner has concave-convex groove-shaped steel, including the steel sheet bend and enclose four square tube sides that are the rectangle, characterized by: at least one vertex angle is set as an inclined plane, a concave notch formed by bending is arranged on the inclined plane, and a bent inner slideway which has the same direction as the notch and has a width larger than the width of the notch is arranged in the notch; the notch comprises two notch side surfaces connected with the inclined surface; the inner slide way is a rectangular slide way and comprises two slide way side faces, a slide way bottom face and two slide way upper faces which are connected together; the upper surfaces of the two slide ways are respectively connected with the side surfaces of the two notch;
the inclined surfaces of the concave-convex groove-shaped steel at each corner are close to the inner side and are fixed together through connecting rods, two ends of each connecting rod are respectively and vertically connected with inner sleeve plates, the symmetrical outer side edges of each inner sleeve plate are respectively and inwards provided with a notch, and the edges of the inner sleeve plates are divided into an inner plate and an outer plate by the notches; the notches of the two inner sleeve plates are mutually perpendicular, screw holes are formed in the inner plates, adjusting bolts are installed on the inner plates, and the end faces of the adjusting bolts are in butt joint with the inner side faces of the outer plates;
the inner sleeve plate is provided with a through hole, a flat cap connecting bolt is arranged in the through hole, the flat cap connecting bolt comprises a screw rod, a flat cap and a nut, the flat cap is positioned on the inner side of the inner sleeve plate, meanwhile, the bottom surface of the inner slideway is provided with an inner flat hole, the inner flat hole is matched with the profile of the flat cap, the aperture of the inner flat hole is larger than that of the flat cap, and one side or two sides of the inner flat hole are provided with stop blocks; the through holes on the inner sleeve plate are round holes or flat holes;
an anti-reversion mechanism is arranged on the adjusting bolt; the anti-reversion mechanism is characterized in that a cam is hinged at the tail end of the adjusting bolt and is connected with a cam handle; or, the anti-reversion mechanism is characterized in that a vertical connecting rod is vertically fixed at the tail end of the adjusting bolt, and the tail end of the vertical connecting rod is hinged with a locking swing rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611254819.6A CN106760201B (en) | 2016-12-30 | 2016-12-30 | Concave-convex groove-shaped steel at corner and internal connection combined column thereof |
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| CN201611254819.6A CN106760201B (en) | 2016-12-30 | 2016-12-30 | Concave-convex groove-shaped steel at corner and internal connection combined column thereof |
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| CN106760201A CN106760201A (en) | 2017-05-31 |
| CN106760201B true CN106760201B (en) | 2023-06-06 |
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| CN108316558A (en) * | 2018-04-17 | 2018-07-24 | 上海欧本钢结构有限公司 | A kind of prompt about column with cross ribbed stiffener |
| CN108953977B (en) * | 2018-06-25 | 2023-07-28 | 南京王朝美博国际会展服务有限公司 | 90-degree multifunctional corner section bar |
| CN109529428A (en) * | 2019-01-22 | 2019-03-29 | 天津市管道工程集团有限公司 | Convenient for the muddy water filter device built |
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| JP2928832B2 (en) * | 1990-02-05 | 1999-08-03 | 積水ハウス株式会社 | Pillar configuration method |
| CN101565969B (en) * | 2009-05-27 | 2011-01-19 | 天津大学 | Indirect assembly concrete-filled steel tube combined special-shaped column and production method thereof |
| CN201411824Y (en) * | 2009-05-27 | 2010-02-24 | 天津大学 | Direct assembled steel pipe concrete combination special-shaped column |
| CN201433511Y (en) * | 2009-06-11 | 2010-03-31 | 中国京冶工程技术有限公司 | Lattice-type special-shaped steel pipe concrete column |
| CN105569185B (en) * | 2015-12-18 | 2018-10-19 | 河南奥斯派克科技有限公司 | High intensity bumps U-steel connects house |
| CN105544865B (en) * | 2016-02-24 | 2017-10-20 | 南京工业大学 | Prestress assembly type combined special-shaped column |
| CN207063324U (en) * | 2016-12-30 | 2018-03-02 | 河南奥斯派克科技有限公司 | There are concavo-convex U-steel and its internal connection coupled column in corner |
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