CN100587178C - Butterfly shaped self-lock connecting clamp and its connection structure of construction steel frame joint - Google Patents
Butterfly shaped self-lock connecting clamp and its connection structure of construction steel frame joint Download PDFInfo
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- CN100587178C CN100587178C CN200510086280A CN200510086280A CN100587178C CN 100587178 C CN100587178 C CN 100587178C CN 200510086280 A CN200510086280 A CN 200510086280A CN 200510086280 A CN200510086280 A CN 200510086280A CN 100587178 C CN100587178 C CN 100587178C
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- pretension
- locking
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Abstract
This invention relates to a butterfly self-locking joint card and its building steel frame node connection structure. The joint card includes the card body, the two end of the card body are mounted with two card wing respectively, wherein the cross section of the card wings are gate shape, the card wing includes the bearing board that connects with the card body 4, the advanced tightening board that are opposite to it, the self-locking fastening board that connects with the related two boards, wherein the self-locking board has at least two through-holes, the advanced tightening board has at least one through-hole. The frame connection structure is that the body card is at the two opposite sides of the mullion, and the advanced tightening board of the card wing is laid comparatively, the knotted of the girder is inserted between the advanced tightening boards, and the wing board is laid on the self-locking tightening board. The steps is that first using the snail to connect the two advanced tightening boards and the knotted of the girder, and then using the snail to connect the self-locking tightening board and the upper and down wing board of the girder. This invention reduces thestress centralization greatly and realizes it's connecting rigid and strength.
Description
Technical field
The present invention relates to a kind of building structure and connector thereof, specifically, relate to a kind of butterfly shaped self-lock connecting clamp and construction steel frame joint syndeton thereof of construction steel frame joint.
Background technology
In the construction steel frame, its vertical beam adopts quadrate steel pipe column, and crossbeam adopts " H " section steel beam or " worker " font girder steel, and both quality of connection are the keys of structural-load-carrying capacity and shock resistance.Traditional steel structure node connects generally takes docking mode welding or welding and bolt in conjunction with connected mode, its shortcoming be the transmission of stress poor, be difficult to discharge and cause stress to concentrate easily, local failure is big, mechanical characteristic depends on the material and the wall thickness of post.
The ZL02235905.2 utility model discloses a kind of " butterfly shaped self-lock connecting clamp ", comprises the card main body, is respectively arranged with at the two ends of card main body 4 to have two the card wings self-locking shoulder, that be parallel to each other, and each blocks the wing and the one side that card main body 4 is connected, and has through hole on it.Described self-locking shoulder be with card wing plate that card main body two ends are connected on protruding opposite flank, it both had snap action to mullion 1, again crossbeam was had pressuring action.Its effect is effectively to have solved the strength and stiffness that make node in the confined space to reach best.But it is complicated that its weak point is that this Connection Card requires the interface shape of the crossbeam that connected, and it is undesirable to realize that three dimensional intersection connects.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, a kind of butterfly shaped self-lock connecting clamp of the construction steel frame joint that does not destroy mullion and the syndeton of construction steel frame joint thereof are provided.
Butterfly shaped self-lock connecting clamp of the present invention, comprise the card main body, be respectively arranged with the card wing of two cross sections at the two ends of card main body for door shape, this card wing comprises the loaded plate that is connected with card main body 4, the pretension plate relative with it, with the self-locking mounting plate that is connected above-mentioned two plates, on the self-locking mounting plate, have at least two through holes, on the pretension plate, have at least one through hole.
Described pretension plate is parallel to loaded plate, and perhaps described pretension plate favours the loaded plate setting.
Described self-locking mounting plate is takeed near the self-locking that an end that blocks main body has protrusion, and the junction of this self-locking shoulder and card main body has the arc groove towards self-locking mounting plate direction, and the joint face of its other end and pretension plate is the inclined-plane.
The angle of slope of the joint face of described self-locking shoulder and pretension plate is 2 times of loaded plate 7 rotates during greater than pretension angle.
Construction steel frame joint syndeton of the present invention, comprise mullion, crossbeam and the Connection Card that is connected both, it is characterized in that described Connection Card comprises the card main body, be respectively arranged with the card wing of two cross sections at the two ends of card main body for door shape, this card wing comprises the loaded plate that is connected with card main body 4, the pretension plate relative with it, with the self-locking mounting plate that is connected above-mentioned two plates, on the self-locking mounting plate, have at least two through holes, on the pretension plate, has at least one through hole, described main body is positioned on the two relative sides of mullion, the pretension plate of the card wing is staggered relatively, and the web of crossbeam inserts between the pretension plate of two card wings that are oppositely arranged, and its wing plate is placed on the self-locking mounting plate, earlier two pretension plates are fixedlyed connected with the web of crossbeam with screw, then with on screw connection self-locking mounting plate and the crossbeam, lower wing plate.
Distance between the external surface of upper and lower two parallel self-locking mounting plates of described Connection Card is determined according to the height of the crossbeam that will install; Distance between the self-locking shoulder of main body card one end and the self-locking shoulder of the other end on the same plane is determined according to the width of the mullion that will install; Gap between the two relative pretension plates is equal to or greater than the thickness of cantilever diaphragm.
The butterfly shaped self-lock connecting clamp of construction steel frame joint of the present invention and construction steel frame joint syndeton thereof have been utilized self-lock mechanism, make its joint strength and rigidity can reach desirable, do not have because of welding the stress of generation with the docking mode ratio, reduced the influence that bonding strength is subjected to screw and connected matrix strength, compare with existing connected mode, when the mullion of employing same model and crossbeam, can realize its coupling stiffness and intensity to greatest extent, maximum characteristics are directly to transmit stress, have reduced stress greatly and have concentrated.Its beneficial effect is:
1. effectively solve being connected of rectangular column and " H " type beam or " worker " font beam;
2. the resistance to deformation arm of force of node has been issued in the condition that limits crossbeam and mullion geometric space and has given full play to;
3. the horizontal connection on node is to interconnect by butterfly shaped self-lock connecting clamp between " H " type beam or " worker " font beam, thereby in the axial connection of crossbeam, be rigidity, being to connect by the friction self-locking mode on crisscross, is flexible, and it is destroyed to make that node more is difficult for;
4. based on above characteristics, make that the transmission of each axial force is good, thereby avoided stress to concentrate, and the interference of the Stress Transfer on all directions is very little, feasible macroscopic view goes up the stress distribution of each node and reaches even, thereby can improve integrally-built effect greatly.
The present invention is further described below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the stereogram of butterfly shaped self-lock connecting clamp of the present invention;
Fig. 2 construction steel frame joint syndeton of the present invention stereogram;
Fig. 3 is the vertical view of Fig. 2, has wherein removed the wing plate of crossbeam, an embodiment of expression Connection Card;
Fig. 4 is another embodiment of structure shown in Figure 3;
Fig. 5 is the whole force analysis figure of existing syndeton;
Fig. 6 is the force analysis figure of syndeton of the present invention.
The specific embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, construction steel frame joint syndeton of the present invention comprises mullion 1, crossbeam 2 and the Connection Card 3 that is connected both.Described Connection Card 3 comprises card main body 4, be respectively arranged with the card wing 5 of two cross sections at the two ends of card main body 4 for door shape, this card wing 5 comprises that the riser that is connected with card main body 4 is called loaded plate 7, the riser relative with it is called pretension plate 6, be called self-locking mounting plate 9 with the junction plate that is connected above-mentioned two plates, on self-locking mounting plate 9, have at least two through holes, on pretension plate 6, have at least one through hole.
Generally speaking, crossbeam is vertical layout each other, and therefore, described pretension plate 6 is parallel to loaded plate 7, sees Fig. 3.Under certain conditions, wherein one or two crossbeams angle of need transferring in the horizontal direction, therefore, described pretension plate 6 favours loaded plate 7 and is provided with, and sees Fig. 4, and its angle of slope is determined according to actual needs.
The inner of described self-locking mounting plate 9, an end of promptly close card main body 4 have the self-locking shoulder 8 of protrusion.The junction of this self-locking shoulder and card main body 4 has the arc groove towards self-locking mounting plate direction, and the joint face of its other end and pretension plate 6 is the inclined-plane.2 times of the angle of slope of this joint face angle that loaded plate 7 rotates during greater than pretension.
During installation, main body card 4 is placed on the two relative sides of mullion 1, the pretension plate 6 of the card wing 5 is staggered relatively, the web of crossbeam 2, promptly the web of " H " type beam or " worker " font beam inserts between the pretension plate 6 of two card wings 5 that are oppositely arranged, its wing plate is placed on the self-locking mounting plate 9, earlier two pretension plates 6 are fixedlyed connected with the web of crossbeam with screw 10, its role is to drive loaded plate 7 bendings by tension pretension plate 6, make the self-locking shoulder 8 locking mullions 1 and the location crossbeam 2 of self-locking mounting plate 9, connect the last lower wing plate of self-locking mounting plate 9 and crossbeam 2 then with screw, its role is to obtain maximum moment.Connect crossbeam if desired on other two planes of symmetry of mullion, its installation is identical therewith.
Determining according to the height of the crossbeam that will install between the external surface of upper and lower two parallel self-locking mounting plates 9 of described Connection Card 3 apart from S; Distance L between the self-locking shoulder 8 of main body card 4 one ends and the self-locking shoulder 8 of the other end on the same plane is determined according to the width of the mullion 1 that will install; Distance A between the pretension plate 6 of two relative Connection Cards 3 is determined according to the thickness of web, be that is to say that the gap A between the two relative pretension plates 6 is equal to or greater than the thickness of cantilever diaphragm.The thickness of main card and the width of loaded plate are determined according to the carrying size.
Its clamping force strengthened when the gap A between the two relative pretension plates 6 was slightly larger than the thickness of cantilever diaphragm.
In fastening process, self-locking shoulder in fastening 9 of two self-locking 8 compresses to mullion., make it to have finished again when crossbeam connects and being connected of mullion finishing than can several times clamping mullions to ten fastening pressures according to the card length of the wing and self-locking shoulder breadth degree times over screw.Four self-locking shoulders of two Connection Cards can make the abundant balance of strength, make its connection angle fixed according to the self-locking shoulder of card fully, and have made full use of arm of force effect from three-D space structure, have eliminated the weak problem of node of structure; Eliminated the big problem of internal stress of the node of welding, do not rely on body owing to connect, can realize the node bonding strength greater than matrix, and can be by changing the angle between pretension plate 6 and the loaded plate 7, and change crossbeam, i.e. " H " type beam or " worker " font beam 2 angle in the horizontal direction.
Below the stressing conditions of steel frame syndeton of the present invention and the stressing conditions of existing steel frame syndeton are analyzed comparison.
Referring to Fig. 5, in the prior art, when the crossbeam 2 on mullion 1 left side is subjected to external force, at first be delivered to flange 12 by pad 11, flange 12 is delivered to mullion 1 by bolt again, mullion 1 is delivered to the flange 13 on opposite again by bolt, flange 13 is delivered to right crossbeam by the pad on it 14, has finished transmittance process.
Fig. 6 is a steel frame syndeton of the present invention, when the crossbeam 2 on the left side is subjected to external force, at first is delivered to butterfly shaped self-lock connecting clamp 3 by bolt, and self-lock connecting clamp 3 passes to right crossbeam with power by the right bolt, has only part power to pass to mullion 1.
Can draw from the transmittance process of two kinds of different power: 1. lateral force: the prior art, the transmission of power on node must be by the cylinder transmission.And syndeton of the present invention, the transmission of power on node only finished by Connection Card.Therefore node produces when destroying existing method of attachment and damaged surface is produced tear, and causes horizontal and vertically all being destroyed; And syndeton of the present invention, the transmission of power on node only finished by Connection Card, only part power passed to cylinder, and Connection Card has played function served as bridge, so node produces and only can break the card wing when destroying and can not tear cylinder; 2. longitudinal force: existing connection, power are similar to a face that acts on cylinder on node.And the present invention is because the function served as bridge of structure, power acts on a plurality of of cylinders on node, and existing connection makes the damaged surface generation tear usually when producing destruction, and connected node structure of the present invention only produces displacement and can not produce fracture, can make the node card get tighter after angle changes during displacement and can be not out of control; 3. node structure of the present invention is stronger than the impact resistance ability of existing connected mode, the transmission of power well, discharge fast; 4. according to above characteristics, this structure is in the stressed distributed uniform of its node of macroscopic view.
Connection Card of the present invention is to realize that from locking face and cylinder generation frictional force self-locking is fastening by the screw of locking pretension face with being connected of square column, and card realizes the card wing and crossbeam overlapping mode with being connected by bolt of crossbeam; The interleaved mode in space is to be determined by the wing shape of the card at butterfly shaped self-lock connecting clamp two ends.
Claims (6)
1, butterfly shaped self-lock connecting clamp, it is characterized in that comprising card main body (4), be respectively arranged with the card wing (5) of two cross sections for door shape at the two ends of card main body (4), this card wing (5) comprises the loaded plate (7) that is connected with card main body 4, the pretension plate (6) relative with it, self-locking mounting plate (9) with being connected above-mentioned two plates has at least two through holes on self-locking mounting plate (9), have at least one through hole on pretension plate (6).
2, butterfly shaped self-lock connecting clamp according to claim 1 is characterized in that described pretension plate (6) is parallel to loaded plate (7), and perhaps described pretension plate (6) favours loaded plate (7) setting.
3, butterfly shaped self-lock connecting clamp according to claim 1 and 2, it is characterized in that described self-locking mounting plate (9) has the self-locking shoulder (8) of protrusion near an end of card main body (4), the junction of this self-locking shoulder and card main body (4) has the arc groove towards self-locking mounting plate direction, and the joint face of its other end and pretension plate (6) is the inclined-plane.
4,2 times of butterfly shaped self-lock connecting clamp according to claim 3, the angle of slope (α) that it is characterized in that described self-locking shoulder (8) and the joint face of the pretension plate angle that loaded plate (7) rotates for greater than pretension the time.
5, the construction steel frame joint syndeton, comprise mullion (1), crossbeam (2) and the Connection Card that is connected both (3), it is characterized in that described Connection Card (3) comprises card main body (4), be respectively arranged with the card wing (5) of two cross sections for door shape at the two ends of card main body (4), this card wing (5) comprises the loaded plate (7) that is connected with card main body 4, the pretension plate (6) relative with it, with the self-locking mounting plate (9) that is connected above-mentioned two plates, on self-locking mounting plate (9), have at least two through holes, on pretension plate (6), has at least one through hole, described main body card (4) is positioned on the two relative sides of mullion (1), the pretension plate (6) of the card wing (5) is staggered relatively, the web of crossbeam (2) inserts between the pretension plate (6) of two the card wings (5) that are oppositely arranged, its wing plate is placed on the self-locking mounting plate (9), earlier two pretension plates (6) are fixedlyed connected with the web of crossbeam with screw (10), then with on screw connection self-locking mounting plate (9) and the crossbeam (2), lower wing plate.
6, construction steel frame joint syndeton according to claim 5 is characterized in that the distance between the external surface of upper and lower two parallel self-locking mounting plates (9) of described Connection Card (3) is determined according to the height of the crossbeam that will install; Distance between the self-locking shoulder (8) of main body card (4) one ends and the self-locking shoulder (8) of the other end on the same plane is determined according to the width of the mullion that will install (1); Gap (A) between the two relative pretension plates (6) is equal to or greater than the thickness of cantilever diaphragm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510086280A CN100587178C (en) | 2005-08-24 | 2005-08-24 | Butterfly shaped self-lock connecting clamp and its connection structure of construction steel frame joint |
| PCT/CN2006/001998 WO2007022691A1 (en) | 2005-08-24 | 2006-08-08 | A butterfly-form self-locking connect clamp and a connect structure for a building steel frame node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510086280A CN100587178C (en) | 2005-08-24 | 2005-08-24 | Butterfly shaped self-lock connecting clamp and its connection structure of construction steel frame joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1737280A CN1737280A (en) | 2006-02-22 |
| CN100587178C true CN100587178C (en) | 2010-02-03 |
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ID=36080203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510086280A Expired - Fee Related CN100587178C (en) | 2005-08-24 | 2005-08-24 | Butterfly shaped self-lock connecting clamp and its connection structure of construction steel frame joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100587178C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4203533B1 (en) * | 2008-03-05 | 2009-01-07 | 株式会社アイ．テック | Steel column and steel beam joint structure |
| CN101463628B (en) * | 2008-04-29 | 2011-05-04 | 甘秀明 | Semi-butterfly type connection clip and construction steel frame node structure |
| CN103797196B (en) * | 2011-09-14 | 2015-11-25 | 日立机材株式会社 | The connected structure of beam and column and mating part |
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2005
- 2005-08-24 CN CN200510086280A patent/CN100587178C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1737280A (en) | 2006-02-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20100203 Termination date: 20170824 |