CN106760202B - Combined column with internal fork-shaped connection concave-convex groove square rectangular tube - Google Patents
Combined column with internal fork-shaped connection concave-convex groove square rectangular tube Download PDFInfo
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- CN106760202B CN106760202B CN201611255966.5A CN201611255966A CN106760202B CN 106760202 B CN106760202 B CN 106760202B CN 201611255966 A CN201611255966 A CN 201611255966A CN 106760202 B CN106760202 B CN 106760202B
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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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Abstract
The invention discloses an internal forked connection concave-convex groove square and rectangular tube combined column which comprises four rectangular tube side faces which are bent by steel plates to surround in a rectangular manner, wherein at least one of the rectangular tube side faces is provided with a concave groove opening formed by bending, and the width of the inner part of the groove opening is larger than that of the groove opening; at least two square tubes are fixed through a connecting plate to form a tongue-and-groove combined column, two sides of the connecting plate are respectively and vertically connected with inner sleeve plates, symmetrical outer side edges of each inner sleeve plate are respectively and inwardly provided with a notch, and the notches divide the edge of each inner sleeve plate into an inner plate and an outer plate; the notches of the two inner sleeve plates are perpendicular to each other, 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 connecting plate 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 forked connection combination column can greatly improve the inertia moment, so that the bending strength and the torsional strength of the square tube are improved.
Description
Technical Field
The invention mainly relates to the technical field of cold-bending steel structural sections, in particular to an internal forked connection concave-convex groove square tube combined column.
Background
Square steel and round steel tubes are hollow long-strip steel and are the most frequently used pipe fittings in the field of engineering at present. Square steel and round steel tubes have bending and torsional strength and are light in weight, and are widely used for manufacturing mechanical parts and engineering structures. The small-sized square steel and cylindrical pipes in the prior art are generally divided into hot-rolled seamless round pipes, cold-drawn seamless round pipes, extruded seamless round pipes and welded round pipes, the section shapes of the round pipes are generally conventional cylindrical, and round pipes with other section shapes appear in recent years, but the inertia moment of the round pipes is not greatly improved, the using amount of steel materials in the fields of 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 circular tube are still solved through welding, and the welding has the technical characteristics of low connection speed, poor stability of welding quality, larger influence factors of welding operators and difficult operation of common people.
Disclosure of Invention
In order to solve the problems and the defects of low inertia moment, high connection difficulty and the like of a round steel pipe in the prior art, the invention provides an internal forked connection concave-convex groove square and rectangular pipe combined column which is used for solving the problems.
The technical scheme of the invention is as follows: a combined column with a fork-shaped connection concave-convex groove square and rectangular tube inside comprises four square and rectangular tube side faces formed by bending steel plates in a surrounding mode, at least one square and rectangular tube side face is provided with a concave groove opening formed in a bending mode, and a bending-formed inner slide way which is the same as the groove opening in direction but larger than the groove opening in width is arranged inside the groove opening; the notch comprises two notch side surfaces connected with the side surfaces of the square tube; the internal slideway is a rectangular slideway and comprises two slideway side surfaces, a slideway bottom surface and two slideway upper surfaces which are connected together; the upper surfaces of the two slideways are respectively connected with the side surfaces of the two notches; the at least two square tubes are fixed through a connecting plate to form a concave-convex groove combined column, two sides of the connecting plate are respectively and vertically connected with an inner sleeve plate, symmetrical outer side edges of each inner sleeve plate are respectively and inwardly provided with a notch, and the notches divide the edge of the inner sleeve plate into an inner plate and an outer plate; the notches of the two inner sleeve plates are mutually vertical, screw holes are formed in the inner plates, adjusting bolts are installed in the screw holes, and the end faces of the adjusting bolts are in butt joint with the inner side faces of the outer plates. Be provided with the through-hole on interior lagging, 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 lagging, is provided with interior flat hole simultaneously on the bottom surface of inside slide, and interior flat hole is greater than flat cap with flat cap profile matching and interior flat hole's aperture, and one side or both sides in interior flat hole are provided with the dog.
An internal forked connection concave-convex groove square and rectangular tube combined column comprises four square and rectangular tube side faces which are bent by steel plates to form a rectangle, at least one square and rectangular tube side face is provided with a concave groove opening formed by bending, and the inner part of the groove opening is provided with an internal slide way formed by bending, the direction of the internal slide way is the same as that of the groove opening, but the width of the internal slide way is larger than that of the groove opening; the notch comprises two notch side surfaces connected with the side surfaces of the square tube; 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 slideways are respectively connected with the side surfaces of the two notches; at least two square tubes pass through even fixed constitution tongue and groove combination post of board, the both sides of even board are connected with interior lagging respectively perpendicularly, and every interior lagging is provided with the through-hole, installs 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 lagging, is provided with interior flat hole simultaneously on the bottom surface of inside slide, and interior flat hole matches and the aperture of interior flat hole is greater than flat cap with flat cap profile, and one side or both sides of interior flat hole are provided with the dog.
The bottom surface of the internal slideway is in the shape of a cold-bent corrugated plate, or a layer of cold-bent corrugated plate is fixed on the bottom surface of the internal slideway in a compounding way.
The cross section of the corrugation is square corrugation, or sawtooth corrugation, or curved corrugation.
When a plurality of square and rectangular pipes are combined, the middle parts of the connecting plates 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 rectangular inner sleeve plates respectively.
And 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 plate is vertically fixed at the tail end of the adjusting bolt, and a locking swing rod is hinged to the tail end of the vertical connecting plate.
The invention has the technical effects that:
1. the improved internal forked connecting concave-convex groove square tube combined column is used as a connecting main body to form the internal forked connecting combined column, and the connecting plate with the inner sleeve plate is used for realizing quick and stable connection, so that the construction speed is high, and the effect is good. In the connection structure of inside fork-like connection tongue and groove square tube combination post, be equipped with the sunken notch of the shaping of bending on its side, be equipped with the fashioned inside slide of bending the same and width is greater than the notch with the notch direction in the notch inside, this moment of inertia of promotion that such structural design can be by a wide margin to promote bending resistance, the torsional strength of this square tube.
2. Inside fork-like connection tongue and groove square tube combination column connection structure can adopt the connecting piece to pass through bolted connection, makes the stability of connection quality promote, and the connection structure form is various, and the flexibility is strong, by a wide margin the reduction connection process's the operation degree of difficulty.
3. The bottom at the inside slide of this circle square pipe is the buckled plate shape, the intensity of this circle square pipe of promotion that can be further, frictional force when this buckled plate can also promote to connect between the circle square pipe simultaneously.
4. The invention can be applied to scaffolds, building steel frameworks of buildings, bridges, dams and the like, and can be applied to the mechanical manufacturing industry to replace 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 slide way of the square tube in a loose state, after the adjusting bolt is rotated, pressure can be gradually applied to the outer plate, and finally the outer plate is pressed in an antinode groove on the bottom surface of the embedded groove to achieve the purpose of fixed connection.
Drawings
FIG. 1 is a schematic view of an internal forked connecting tongue and groove square tube composite column according to the present invention;
FIG. 2 is a second schematic view of the internal forked connecting concavo-convex groove square tube composite column of the present invention;
FIG. 3 is a schematic view of the assembled structure of FIG. 2;
FIG. 4 is one of the schematic structural views of the tie sheet of FIG. 3;
FIG. 5 is a second schematic view of the tie sheet of FIG. 3;
FIG. 6 is a third schematic structural view of the tie plate of FIG. 3;
FIG. 7 is a fourth schematic view of the tie plate of FIG. 3;
FIG. 8 is a schematic view of a rectangular tube according to the present invention;
FIG. 9 is one of the connection structures of FIG. 5 in combination with FIG. 7;
FIG. 10 is a second schematic view of the connection structure of FIG. 5 and FIG. 7;
FIG. 11 is a third schematic view of the connection structure of FIG. 5 and FIG. 7;
FIG. 12 is a fourth view of the connection structure of FIG. 5 and FIG. 7;
fig. 13 is a partial sectional view schematically showing the connection structure of fig. 7.
In the figure, reference numeral 1 is a square tube, 2 is a notch, 3 is an internal slideway, 201 is a side face of the notch, 301 is an upper face of the internal slideway, 302 is a side face of the internal slideway, 303 is a bottom face of the internal slideway, 304 is an antinode bottom face of the internal slideway, 4 is a welding seam, 5 is a connecting plate, 6 is an inner sleeve plate, 7 is a reinforcing rod, 8 is an outer plate, 9 is an adjusting bolt, 10 is a threaded sleeve, 11 is a locking bolt, 12 is a positioning hole, and 13 is a flat cap connecting 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 rod, 133 is a nut, 134 is a stop, 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 side faces, wherein the four rectangular square tube side faces are rectangular, and the four rectangular square tube side faces are connected with a concave-convex groove square tube combination column in a forked mode. At least one of the top corners is provided with a connecting weld of a steel plate. Four side surfaces of the square tube are provided with a concave notch formed by bending, and the inner part of the notch is provided with an internal slideway formed by bending, the direction of the internal slideway is the same as that of the notch, but the width of the internal slideway is larger than that of the notch; the notch comprises two notch side surfaces connected with the side surfaces of the square tube; 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 slideways are respectively connected with the side surfaces of the two notches.
Referring to fig. 3 and 4, four rectangular pipes are fixed through connecting plates 5 to form a tongue-and-groove combined column. The two sides of the connecting plate 5 are respectively and vertically connected with an inner sleeve plate, the symmetrical outer side edge of each inner sleeve plate is respectively and inwardly provided with a notch, and the notch divides the edge of the inner sleeve plate into an inner plate and an outer plate; the notches of the two inner sleeve plates are perpendicular to each other, 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 structure of the connecting plate 5 may be as shown in fig. 4.
Example 2: referring to fig. 5 and 7, on the basis of embodiment 1, a layer of cold-bent corrugated plate can be further fixed on the bottom surface of the inner slideway in a compounding manner. The cross section of the corrugation is square corrugation, sawtooth corrugation or curved corrugation.
The inner plate of each inner sleeve plate is provided with a screw hole and is provided with an adjusting bolt, the end surface of the adjusting bolt is butted with the inner side surface of the outer plate, and each outer plate is respectively clamped in the groove of the corrugated plate. An anti-reversion mechanism is arranged on the adjusting bolt. The anti-reversion mechanism is 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 plate 5 is vertically fixed at the tail end of the adjusting bolt, and a locking swing rod is hinged to the tail end of the vertical connecting plate 5.
Example 3: referring to fig. 8, the contents are substantially the same as those of embodiment 1, except that: the square pipes forming the square pipe concave-convex groove combined column have larger distance, and are fixedly connected into a whole through a longer connecting plate 5, and a reinforcing rod is arranged in the middle of each connecting plate 5.
Example 4: referring to fig. 2 and 6, on the basis of embodiment 1, a plurality of independent connecting plates 5 are adopted, and each connecting plate 5 is provided with a locking bolt 11. When each connecting plate 5 slides to a designated position in the inner slide way of the adjacent square tube, the locking bolt 11 is fixed.
Example 5: another kind of inside fork-like tongue and groove square tube combination column of connecting, refer to fig. 1, 11 and 12, on embodiment 1 basis, be provided with the through-hole on the inner sheathing board, 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 inner sheathing board, is provided with interior flat hole simultaneously on the bottom surface of inside slide, and interior flat hole matches and the aperture of interior flat hole is greater than flat cap with flat cap profile, and one side or both sides of interior flat hole are provided with the dog. The through hole on the inner sleeve plate is a round hole or a flat hole.
Example 6: still another internal forked connection concave-convex groove square tube combined column, referring to fig. 1, 7 and 13, comprises a gap connecting plate, wherein two ends of the gap connecting plate are respectively and vertically connected with inner sleeve plates, and elastic sheets are welded on the symmetrical outer side edges of each inner sleeve plate; the spring plates of the two inner sleeve plates are mutually vertical in direction, 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 spring plates.
After all the connecting points are positioned, the strength basically meets the use requirement. In order to achieve the purpose of recycling, the device can be recycled in a dismounting mode. In addition, under the condition of not considering recycling, the welding device can be additionally fixed in a spot welding mode, and the connectivity is enhanced. Under the guidance of the concept of the present invention, the change of the shape of the notch and the change of the sliding shape are within the protection scope of the present invention as long as the purpose of the change is consistent with the purpose of the present invention, and the details are not repeated herein.
Claims (4)
1. An internal forked connection concave-convex groove square and rectangular tube combined column comprises four square and rectangular tube side faces which are bent by steel plates to form a rectangle, at least one square and rectangular tube side face is provided with a concave groove opening formed by bending, and the inner part of the groove opening is provided with an internal slide way formed by bending, the direction of the internal slide way is the same as that of the groove opening, but the width of the internal slide way is larger than that of the groove opening; the notch comprises two notch side surfaces connected with the side surfaces of the square tube; 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 slideways are respectively connected with the side surfaces of the two notches; the method is characterized in that: at least two square tubes are fixed through a connecting plate to form a tongue-and-groove combined column, two sides of the connecting plate are respectively and vertically connected with inner sleeve plates, symmetrical outer side edges of each inner sleeve plate are respectively and inwardly provided with a notch, and the notches divide the edge of each inner sleeve plate into an inner plate and an outer plate; the notches of the two inner sleeve plates are mutually vertical, screw holes are formed in the inner plates, adjusting bolts are installed in the screw holes, 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 installed in the through hole and comprises a screw rod, a flat cap and a nut, the flat cap is positioned on the inner side of the inner sleeve plate, an inner flat hole is formed in the bottom surface of the inner slideway, the inner flat hole is matched with the flat cap in contour, 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 bottom surface of the internal slideway is in the shape of a cold-bent corrugated plate, or a layer of cold-bent corrugated plate is fixed on the bottom surface of the internal slideway in a compounding way.
2. The internal forked connection tongue and groove square tube composite post as claimed in claim 1, wherein: the cross section of the corrugation is a square corrugation, a sawtooth corrugation or a curve corrugation.
3. The internal forked connection tongue and groove square tube composite post as claimed in claim 1, wherein: when a plurality of square and rectangular pipes are combined, the middle parts of the connecting plates are connected and combined into a whole through the reinforcing rods.
4. The internal forked connection tongue and groove square tube composite post as claimed in claim 1, wherein: 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 plate is vertically fixed at the tail end of the adjusting bolt, and a locking swing rod is hinged to the tail end of the vertical connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255966.5A CN106760202B (en) | 2016-12-30 | 2016-12-30 | Combined column with internal fork-shaped connection concave-convex groove square rectangular tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255966.5A CN106760202B (en) | 2016-12-30 | 2016-12-30 | Combined column with internal fork-shaped connection concave-convex groove square rectangular tube |
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| CN106760202A CN106760202A (en) | 2017-05-31 |
| CN106760202B true CN106760202B (en) | 2023-04-11 |
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| CN201611255966.5A Active CN106760202B (en) | 2016-12-30 | 2016-12-30 | Combined column with internal fork-shaped connection concave-convex groove square rectangular tube |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108131553A (en) * | 2018-01-15 | 2018-06-08 | 江门市蓬江区欧罗富五金橡胶制品有限公司 | Heavy burden beam |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03233062A (en) * | 1990-02-05 | 1991-10-17 | Sekisui House Ltd | Construction method of column |
| CN101565969A (en) * | 2009-05-27 | 2009-10-28 | 天津大学 | Indirect assembly concrete-filled steel tube combined special-shaped column and production method thereof |
| CN102677824A (en) * | 2012-05-17 | 2012-09-19 | 天津大学 | Special-shaped composite concrete-filled steel tube column matched with spiral stirrups and making method of special-shaped composite concrete-filled steel tube column |
| CN105544865A (en) * | 2016-02-24 | 2016-05-04 | 南京工业大学 | Prestress assembly type combined special-shaped column |
| CN105569185A (en) * | 2015-12-18 | 2016-05-11 | 河南奥斯派克科技有限公司 | High-strength concave-convex channel steel type connection house |
| CN206428891U (en) * | 2016-12-30 | 2017-08-22 | 河南奥斯派克科技有限公司 | Internal forked connection tongue and groove square tube coupled column |
-
2016
- 2016-12-30 CN CN201611255966.5A patent/CN106760202B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03233062A (en) * | 1990-02-05 | 1991-10-17 | Sekisui House Ltd | Construction method of column |
| CN101565969A (en) * | 2009-05-27 | 2009-10-28 | 天津大学 | Indirect assembly concrete-filled steel tube combined special-shaped column and production method thereof |
| CN102677824A (en) * | 2012-05-17 | 2012-09-19 | 天津大学 | Special-shaped composite concrete-filled steel tube column matched with spiral stirrups and making method of special-shaped composite concrete-filled steel tube column |
| CN105569185A (en) * | 2015-12-18 | 2016-05-11 | 河南奥斯派克科技有限公司 | High-strength concave-convex channel steel type connection house |
| CN105544865A (en) * | 2016-02-24 | 2016-05-04 | 南京工业大学 | Prestress assembly type combined special-shaped column |
| CN206428891U (en) * | 2016-12-30 | 2017-08-22 | 河南奥斯派克科技有限公司 | Internal forked connection tongue and groove square tube coupled column |
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