CN107165275A - A kind of combined anti-seismic bolt connection node - Google Patents
A kind of combined anti-seismic bolt connection node Download PDFInfo
- Publication number
- CN107165275A CN107165275A CN201710465431.9A CN201710465431A CN107165275A CN 107165275 A CN107165275 A CN 107165275A CN 201710465431 A CN201710465431 A CN 201710465431A CN 107165275 A CN107165275 A CN 107165275A
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- Prior art keywords
- surrender
- mobile jib
- keeper
- end plate
- girder steel
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/024—Structures with steel columns and beams
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of combined anti-seismic bolt connection node, including square steel tube, connection end plate, girder steel, low surrender keeper and unilateral bolt, wherein, the quantity of connection end plate is two pieces, and lateral wall of two pieces of connection end plates respectively with square steel tube opposite sides is contacted.Girder steel is I-shaped or H types, the quantity of girder steel is two, girder steel one end is vertically fixedly connected on the side wall of the opposite side of the relative contact square steel tube side of connection end plate, and two girder steels are connected end plate with two pieces and connected one to one, and the flange plate of girder steel and the axis direction of square steel tube are vertical.Low surrender keeper connects end plates through square steel tube and two pieces, unilateral bolt is through one piece of connection end plate and is connected with this in square steel tube side wall of end plate contact and embedded square steel tube, and low surrender keeper is smaller than spacing of the unilateral bolt apart from the web of girder steel apart from the web of girder steel.Overall structure of the present invention is simple, is easy to implement, cost is low, and with good ductility, dissipation tectonic comparison and bearing capacity during application.
Description
Technical field
The present invention relates to building aseismicity interconnection technique field, specifically a kind of combined anti-seismic bolt connection node.
Background technology
In recent years, square steel tube is usually applied in civilian and industrial building engineering frame system, square steel tube is compared to tradition
It is hot rolled H-shaped, be avoided that the difference of strong axle and weak axle composite bending modulus, its bearing capacity can be more preferably played in frame system, save
Steel are saved, while its less external surface area makes its anti-corrosion and fire resistance also more preferable.Square steel tube consolidates in current frame system
It is permanent to see that joint form is as follows：(1) Chinese patent publication No. CN 103510626A disclosed a kind of top on 01 15th, 2014
Base angle steel formula H profile steel beam and rectangular tubular column through unilateral bolt connection node, it includes rectangular conduit, H profile steel beam and multiple connection squares
The angle steel of shape tubing string and H profile steel beam, two edges of a wing of H profile steel beam are fixedly connected by angle steel with rectangular conduit respectively, H profile steel beam
Web be fixedly connected by angle steel with rectangular conduit.(2) Chinese patent publication No. CN 104179256A were December 03 in 2014
Day discloses a kind of rectangular steel-tube concrete column and the unilateral bolt connection node of girder steel and its construction method, and its connecting node includes
Rectangle steel tubing string and girder steel, girder steel end are welded with end plate, and end plate is mounted on steel pipe column side wall by fastener, end plate with
Some corresponding bolts hole are offered in pairs along longitudinal direction on steel pipe column, and steel tubular column joints core space is provided with reinforcement construction.Its
Construction is carried out to rectangular steel pipe Column border node core space and strengthens being to utilize external channel-section steel and the outer reinforcement of steel pipe column weld all around, or it is interior
Put interior reinforcement of H profile steel and steel pipe column spot welding etc..
When connecting node described in above prior art is applied, sleeve and spiral shell when being fastened because of unilateral bolt generally by strutting
Keyhole is circumferentially blocked, and contact surface is smaller and stress is concentrated, under pulling force effect repeatedly, is easily caused bolt hole and is swollen bolt quilt
Pull out or fastening failure, or the local external drum deformation of steel pipe tube wall is excessive, so as under earthquake load repeated action, easily make node
Lose bearing capacity, ductility and energy dissipation capacity.
The content of the invention
It is an object of the invention to overcome existing unilateral bolt connection node for the circulation repeated action under earthquake load
The problem of considering not enough is there is provided a kind of combined anti-seismic bolt connection node, and it has good ductility, dissipation tectonic comparison
And bearing capacity.
The purpose of the present invention is achieved through the following technical solutions：A kind of combined anti-seismic bolt connection node, including
Square steel tube, connection end plate, girder steel, low surrender keeper and unilateral bolt, the quantity of the connection end plate is two pieces, two pieces of connections
Lateral wall of the end plate respectively with square steel tube opposite sides is contacted；
The girder steel is I-shaped or H types, and the quantity of girder steel is two, and girder steel one end is vertically fixedly connected on connection end plate
On the side wall of the opposite side of relative contact square steel tube side, two girder steels are connected end plate with two pieces and connected one to one, and girder steel
Flange plate is vertical with the axis direction of square steel tube；
The low surrender keeper connects end plate through square steel tube and two pieces of connection end plates, the unilateral bolt through one piece
And be connected with this in square steel tube side wall of end plate contact and embedded square steel tube, the low surrender keeper is apart from the web of girder steel
It is smaller than spacing of the unilateral bolt apart from the web of girder steel；
The quantity of the low surrender keeper and unilateral bolt is many, the web portion of every block of connection end plate connection girder steel
The both sides of position are respectively provided with low surrender keeper and unilateral bolt is passed through.The present invention is in the specific implementation, low to surrender keeper and list
Side bolt can be arranged as desired to the joint form of different-stiffness.Node force-transmission mechanism is：Pass through low surrender keeper and list
Moment of flexure on girder steel, axle power and moment of flexure can be delivered on steel pipe column by side bolt connection end plate.
Further, the low surrender keeper includes mobile jib, filling set, sleeve detent mechanism and location nut；
The material of the mobile jib is Low Yield Point Steel, and the center one of mobile jib is truncated into main surrender section, main surrender section to mobile jib two
The termination position at end is the diameter for being more than main surrender section from the diameter of surrender section from surrender section, from surrender section close to mobile jib termination
Position is provided with externally threaded ends screw section；The main surrender section indent of the mobile jib, which is constituted, has multiple cross sections to be isosceles trapezoid
First limited impression of shape, multiple first limited impressions are sequentially arranged along along mobile jib length direction, two first limits of arbitrary neighborhood
The first spacing preiection is constituted between the groove of position；
The inwall convex of the filling set constitutes the second spacing preiection for having cross section to be isosceles trapezoid shape, the second limit convex
Play and position suitable with the first limited impression quantity to correspond, constituted and first between two the second spacing preiections of arbitrary neighborhood
Corresponding second limited impression in spacing preiection position；The filling set is set on mobile jib, and the length of filling set is less than mobile jib master
The length of section is surrendered, filling set internal diameter is less than mobile jib from the diameter of surrender section, and the first spacing preiection is embedded in the second limited impression,
Second spacing preiection is embedded in the first limited impression；
The sleeve detent mechanism includes backing plate and sleeve, and described sleeve one end is vertical with backing plate to be fixedly connected, on backing plate
Constitute to have and be coaxially disposed with sleeve and through the positional punch of backing plate opposite end surface；
The low surrender keeper is provided with two sleeve detent mechanisms, and the filling set two ends are relative from two sleeves respectively
In the other end insertion sleeve at connection backing plate end；The mobile jib two ends are each passed through determining on the backing plate of two sleeve detent mechanisms
Position perforation；The quantity of location nut is two in the low surrender keeper, and two location nuts are respectively sleeved at mobile jib two ends
Ends screw section on, another side contacts of location nut branch sleeve side relative with backing plate；
The low surrender keeper is connected after end plates through square steel tube and two pieces, the backing plate adapter sleeve of its sleeve detent mechanism
The side of the cylinder another side contacts for contacting square steel tube side relative with connection end plate.The main surrender section of the present invention is provided with the first limit convex
Rise and the first limited impression, multistage indentation structure is integrally formed；The present invention's covers the coated main surrender section of mobile jib by filling, with
The connected sleeve of backing plate, which is blocked, fills set outside, to constrain outside bending deformation after main surrender section is pressurized.
Further, the mobile jib is provided with N number of first spacing preiection, wherein, N is the odd number more than or equal to 3；It is N number of
The first described spacing preiection is symmetrical from mobile jib midpoint, the first spacing preiection of the mobile jib midpoint it is corresponding
Two limited impression sizes, form fit, the length of the first spacing preiection of mobile jib midpoint both sides are less than the second corresponding limit
The length of position groove, the first spacing preiection of mobile jib midpoint both sides, which is embedded in after the second corresponding limited impression, forms free
Gap.When the mobile jib tension of low surrender keeper and when being pressurized, low surrender keeper crushed element is first spacing in the middle part of mobile jib
Projection starts, and end is expanded to successively, and in gap, deformation is abundant.Meanwhile, it is each that space limits low surrender keeper mobile jib
The ultimate deformation amount of section, causes destruction to betide at the abrupt change of cross-section, so as to be consumed using Low Yield Point Steel in order to avoid local deformation is excessive
Energy advantage is abundant in each several part linear deformation of main surrender section.
In order to avoid stress raisers, further, the mobile jib is formed between the main surrender sections of surrender Duan Yuqi
There is tapering transition face.
Further, a kind of combined anti-seismic bolt connection node, in addition to angle steel locating part, the angle steel locating part bag
Position-limiting tube and angle steel are included, one piece of rectangular panel of the angle steel is contacted and is fixed on the web of girder steel with the web of girder steel, its
Another piece of rectangular panel is parallel with connection end plate；The position-limiting tube hangs down with angle steel parallel to the rectangular panel lateral wall for being connected end plate
Directly it is fixedly connected；It is respectively connected with every girder steel in angle steel locating part, the termination insertion position-limiting tube of the low surrender keeper.Such as
This, low surrender keeper end is using the angle steel locating part constraint being fixed on steel beam web plate during present invention application, so as to will be by
Pressure effect is effectively passed to low surrender keeper.
Further, the square steel tube and connection end plate offer bolt hole, the low surrender keeper, unilateral bolt
By through bolt hole come through square steel tube and connection end plate.
Further, every piece connection end plate connection girder steel web position both sides be respectively provided with it is two low surrender keeper and
Two unilateral bolts are passed through, and the two low surrender keeper height positioned at the web homonymy of girder steel is configured, positioned at the web of girder steel
Two unilateral bolt height of homonymy are configured.
In summary, the invention has the advantages that：(1) present invention make full use of Low Yield Point Steel Material ductility and
The good characteristic of Hysteresis Behavior, the low more unilateral bolt of surrender keeper of the invention is closer to steel beam web plate, the low surrender of unilateral bolt
Keeper can undertake larger deformation closer to square steel tube sidewall edge, low surrender keeper compared to unilateral bolt, be bent using low
The mechanical advantage of clothes point steel more dissipates seismic energy under drawing-pressure ringing, it is to avoid deformed in the middle part of square steel tube wall
Greatly；Simultaneously as smaller by the square steel tube tube wall deformation of proximal wall, be arranged in this unilateral bolt then can preferably with low surrender
Keeper cooperates, and there is provided reliable bearing capacity.
(2) present invention can by square steel tube and connection end plate on be preset with bolt hole, with realize it is low surrender keeper and
Penetrating for unilateral bolt, compared with the existing progress welded unit reinforcement node to rectangular steel pipe Column border node core space, is bent using low
Keeper and unilateral bolt are taken with little need for Site Welding workload, perforates and can exist in component on square steel tube and connection end plate
Just completed during prefabrication, so as to avoid the factors such as welding residual stress, the influence of site environment welding quality；Together
When, it can also be easy to concreting.
(3) installment work is convenient simple when low surrender keeper of the invention is applied, and Force principle is clearly and direct, when low
The mobile jib of surrender keeper changes convenient when having damage, also suitable for the reinforcing of node.It is low in the construction organization of assembly node
The connection of surrender keeper and unilateral bolt, which can be positioned synchronously, is installed, and with more reliable fastener guarantee, uses conventional stud
Fastening tool just can be connected, easy for installation, and operation is flexible, shortens construction period and improves efficiency of construction.
(4) mobile jib of the invention and filling set are internal spacing provided with projection staggeredly and groove, to the constriction of mobile jib section
Deflection is adjusted, to be limited in the total length deformation and lateral distortion of tension and compression effect lower rhabd, while using angle steel locating part
Operative constraint is carried out to mobile jib end, so as to more preferably play the energy dissipation performance of low-yield Steel material.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of a specific embodiment of the invention；
Fig. 2 is the cross section structure diagram of low surrender keeper in Fig. 1；
Fig. 3 is the decomposition texture schematic diagram of low surrender keeper in a specific embodiment of the invention；
Fig. 4 is the structural representation of another specific embodiment of the present invention.
Mark and corresponding parts title in accompanying drawing：1st, square steel tube, 2, connection end plate, 3, girder steel, 4, angle steel locating part,
41st, position-limiting tube, 42, angle steel, 43, bolt, 5, low surrender keeper, 51, mobile jib, 511, ends screw section, 512, taper
Transition face, the 513, first spacing preiection, the 514, first limited impression, 52, filling set, 521, partitioning slot, the 522, second limit convex
Rise, the 523, second limited impression, 53, sleeve detent mechanism, 531, backing plate, 532, sleeve, 533, isolation reinforcing ring, 54, positioning
Nut, 55, space, 6, unilateral bolt.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment 1：
As shown in FIG. 1 to 3, a kind of combined anti-seismic bolt connection node, including square steel tube 1, connection end plate 2, girder steel
3rd, low surrender keeper 5 and unilateral bolt 6, wherein, connection end plate 2 is rectangular-shaped, and its quantity is two pieces, two pieces of connection end plates 2
It is parallel with the lateral wall of the opposite sides of square steel tube 1 respectively and contact.The girder steel 3 of the present embodiment is I-shaped or H types, girder steel 3
Quantity is two, and the one end of girder steel 3 is vertically fixedly connected on the side wall of the opposite side of relative contact square steel tube 1 side of connection end plate 2,
Two girder steels 3 are connected end plate 2 with two pieces and connected one to one, and the flange plate of girder steel 3 is vertical with the axis direction of square steel tube 1.
The present embodiment is attached when specifically connection girder steel 3 is with being connected end plate 2 by the way of welding.The low surrender of the present embodiment
Keeper 5 connects end plate 2 and end plate 1 is connected with this and connect through square steel tube 1 and two pieces of connection end plates 2, unilateral bolt 6 through one piece
In the tactile side wall of square steel tube 1 and embedded square steel tube 1, low surrender keeper 5 is smaller than unilateral bolt apart from the web of girder steel 3
6 apart from the web of girder steel 3 spacing.
The quantity of low surrender keeper 5 and unilateral bolt 6 is many in the present embodiment, every block of connection connection steel of end plate 2
The both sides at the web position of beam 2 are respectively provided with low surrender keeper 5 and unilateral bolt 6 is passed through.The present embodiment is in specific set, often
The both sides at the web position of the block connection connection girder steel 2 of end plate 2 are respectively provided with two low surrender keeper 5 and two unilateral bolts 6 are worn
Cross, the two low surrender keeper 5 positioned at the web homonymy of girder steel 2 is just configured, positioned at two lists of the web homonymy of girder steel 2
Side bolt 6 is just configured.I.e. the present embodiment at least needs four low surrender keeper 5 and eight unilateral bolts in specific set
6.The two low surrender level height of keeper 5 of top is identical in the present embodiment, and four unilateral bolts 6 of top are located at top
Between low surrender keeper 5 and the sidewall edge of square steel tube 1；The two low surrender level height of keeper 5 of lower section is identical, lower section
Four unilateral bolts 6 are between the low surrender keeper 5 and the sidewall edge of square steel tube 1 of lower section.The unilateral bolt 6 of the present embodiment
Be arranged side by side with low surrender keeper 5 in the position close to square steel tube 1 side wall, the tube wall deformation at the position compared to midpoint position compared with
It is small, but the performance of the unilateral bearing capacity of bolt 6 is not influenceed.When being broken when low surrender keeper 5 generation moderate finite deformation, unilateral bolt
6 still can bear tension load, node is still had certain bending resistance, so as to prevent node excessive deformation and destruction
Necessary safety redundancy is provided.
Offered in order that being easily installed square steel tube 1 and connection end plate 2 in setting, the present embodiment when the present embodiment is applied
Bolt hole, the bolt hole position that both square steel tube 1 and connection end plate 2 are opened up is corresponding, and low surrender keeper 5, unilateral bolt 6 are equal
By through bolt hole come through square steel tube 1 and connection end plate 2.
The low surrender keeper 5 of the present embodiment includes mobile jib 51, filling set 52, sleeve detent mechanism 53 and location nut
54, wherein, the material of mobile jib 51 is Low Yield Point Steel, and the center one of mobile jib 51 is truncated into main surrender section, main surrender section to mobile jib 51
The termination position at two ends is from surrender section.It is more than the diameter of main surrender section from the diameter of surrender section, to surrender keeper 5 by low
Deformation section be limited in it is main surrender segment limit in.From surrender section close to the termination position of mobile jib 51 for provided with externally threaded ends screw
Section 511, is formed with tapering transition face 512, tapering transition face 512 is used to avoid local stress between surrender Duan Yuzhu surrender sections
Concentrate.The main surrender section indent of the present embodiment mobile jib 51 constitutes the first limited impression for having multiple cross sections to be isosceles trapezoid shape
514, multiple first limited impressions 514 are sequentially arranged along along the length direction of mobile jib 51, two the first limited impressions 514 of arbitrary neighborhood
Between constitute the first spacing preiection 513.
The inwall convex of the filling set 52 of the present embodiment constitutes the second spacing preiection for having cross section to be isosceles trapezoid shape
522, the second spacing preiection 522 is suitable with the quantity of the first limited impression 514 and position is corresponded, two second limits of arbitrary neighborhood
Second limited impression 523 corresponding with the position of the first spacing preiection 513 is constituted between position projection 522.The filling set of the present embodiment
52 are set on mobile jib 51, and the length of filling set 52 is less than the length of the main surrender section of mobile jib 51, and filling 52 internal diameters of set are less than mobile jib
51 are embedded in the second limited impression 523 from the diameter for surrendering section, the first spacing preiection 513, the second spacing preiection 522 insertion first
In limited impression 514.For ease of the intersection insertion of filling set 52 and both spacing preiections of mobile jib 51 and limited impression, the present embodiment
Filling set 52 is divided into polylith, between leave partitioning slot 521.The second spacing preiection 522 and second for filling set 52 is spacing
After the first spacing preiection 513 and the first limited impression 514 of groove 523 and mobile jib 51 are staggeredly fitted, by sleeve 532 be pushed into so as to
Filling set 52 is built in sleeve 532.For ease of positioning, the tube wall of sleeve 532 also is provided with parting, while provided with isolation reinforcing ring
533 to strengthen the hoop rigidity of the tube wall of sleeve 532.
In order that be easy to be arranged filling set 52 when the present embodiment is applied, the filling of this implementations cover 52 by polylith strip arc
Shape block is also formed with partitioning slot between splicing around being spliced between adjacent arc block.
The sleeve detent mechanism 53 of the present embodiment includes backing plate 531 and sleeve 532, wherein, the one end of sleeve 532 and backing plate
531 are vertically fixedly connected, and being constituted on backing plate 531 has the positioning for being coaxially disposed with sleeve 532 and running through the opposite end surface of backing plate 531
Perforation.The present embodiment in specific set, backing plate 531 with sleeve 532 is preferably integrated is integral.
The low surrender keeper 5 of every of the present embodiment is equipped with two sleeve detent mechanisms 53,52 two ends of filling set difference
Out of two sleeves 532 other end insertion sleeve 532 with respect to the end of connection backing plate 531, the two ends of mobile jib 51 are each passed through two sets
Positional punch on the backing plate 531 of cylinder detent mechanism 53.The quantity of location nut 54 is two in every low surrender keeper 5,
Two location nuts 54 are respectively sleeved in the ends screw at the two ends of mobile jib 51 section 511, and location nut 54 is relative with backing plate 531 to be connected
Another side contacts of 532 sides of female connector cylinder.The low surrender keeper 5 of the present embodiment is connected after end plates 2 through square steel tube 1 and two pieces,
The side of the branch sleeve 532 of backing plate 531 of its sleeve detent mechanism 53 is relative with connection end plate 2 to contact the another of the side of square steel tube 1
Side contacts.
The mobile jib 51 of the present embodiment is provided with N number of first spacing preiection 513, wherein, N is the odd number more than or equal to 3.N
Individual first spacing preiection 513 is symmetrical from the midpoint of mobile jib 51, and the first spacing preiection 513 of the midpoint of mobile jib 51 is corresponding
The size of second limited impression 523, form fit, the length of the first spacing preiection 513 of the midpoint both sides of mobile jib 51 is less than right with it
The length for the second limited impression 523 answered, the first spacing preiection 513 of the midpoint both sides of mobile jib 51 is embedded in the second corresponding limit
Space 55 is formed with after the groove 523 of position.The present embodiment is preferably provided with five the first spacing preiections 513 and six the first limited impressions
514.With this matching, six the second spacing preiections 522 and five the second limited impressions 523 are provided with filling set 52.
Sleeve 532 first can be filled in bolt hole, outside cover filling by the present embodiment when installing low surrender keeper 5
52 with mobile jib 51 it is even good after by sleeve 532 pairs penetrate in square steel tube 1, by ends screw 511 screwed in place nuts 54 of section,
To cause location nut 54 to fasten the ends screw section 511 and backing plate 531 of low surrender keeper 5.The filling set 52 of the present embodiment
It is restricted within sleeve 532, is deformed with preventing mobile jib 51 from occurring outside compressive buckling, to through reserved when also allows for installing
Bolt hole.
The present embodiment only has mobile jib 51 to use Low Yield Point Steel, is main carrying tension portion by there was only mobile jib 51 under pulling force
Part, remaining restricted part is conventional steels, preferably, filling set 52 and sleeve detent mechanism 53 can make of high-strength steel；By
In Low Yield Point Steel just like the equally larger self-deformation of rubber band, then need to wale its set with filling 52 grades of set, to prevent master
Bar 51 is twisted into twisted shape in itself, could be played a role under stress repeatedly.
Embodiment 2：
As shown in figure 4, the present embodiment is made that following improvement on the basis of embodiment 1：The present embodiment also includes angle steel
Locating part 4, wherein, angle steel locating part 4 includes position-limiting tube 41 and angle steel 42, one piece of rectangular panel of angle steel 42 and the abdomen of girder steel 3
Plate is contacted and is fixed on by bolt 43 on the web of girder steel 3, and its another piece of rectangular panel is parallel with connection end plate 2.This
The position-limiting tube 41 of embodiment is fixedly connected with angle steel 42 parallel to the rectangular panel lateral wall for being connected end plate 2 is vertical, position-limiting tube 41
The one of not connected angle steel 42 rectifies to connection end plate 2.Angle steel locating part 4 is respectively connected with the present embodiment on every girder steel 3, it is low to bend
Take in the termination insertion position-limiting tube 41 of keeper 5, the termination position of the mobile jib 51 insertion position-limiting tube 41 of specifically low surrender keeper 5
It is interior.The present embodiment is used when the part of web 4 of girder steel 3 connects angle steel locating part 4 using bolt 43, it should be ensured that angle steel is limited
Ends screw 511 close proximities of section of the position-limiting tube 41 of position part 4 and mobile jib 51.
The present embodiment is when being equipped with four low surrender keeper 5, correspondence four angle steel locating parts 4 of connection on every girder steel 3,
The openend of position-limiting tube 41 of four angle steel locating parts 4 is respectively embedded into the termination of mobile jib 51 in one low surrender keeper 5.
When the present embodiment is made the web compression of girder steel 3 by curved effect, pressure power transmission can be effectively passed to low surrender positioning
In the main surrender section of the mobile jib 51 of part 5, so as to make full use of drawing-pressure circulation energy dissipation behavior of low-yield Steel material.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (7)
1. a kind of combined anti-seismic bolt connection node, it is characterised in that including square steel tube (1), connection end plate (2), girder steel
(3), low surrender keeper (5) and unilateral bolt (6), the quantity of the connection end plate (2) is two pieces, two pieces of connection end plates (2)
The lateral wall with square steel tube (1) opposite sides is contacted respectively；
The girder steel (3) is I-shaped or H types, and the quantity of girder steel (3) is two, the vertical company of being fixedly connected in girder steel (3) one end
On the side wall for the opposite side for connecing relative contact square steel tube (1) side of end plate (2), two girder steels (3) are connected end plate (2) with two pieces one by one
Correspondence connection, and the flange plate of girder steel (3) is vertical with the axis direction of square steel tube (1)；
The low surrender keeper (5) passes through one piece through square steel tube (1) and two pieces of connection end plates (2), the unilateral bolt (6)
In connection end plate (2) and square steel tube (1) the side wall contacted with the connection end plate (1) and embedded square steel tube (1), the low surrender is fixed
Position part (5) is smaller than spacing of the unilateral bolt (6) apart from the web of girder steel (3) apart from the web of girder steel (3)；
The quantity of the low surrender keeper (5) and unilateral bolt (6) is many, every piece of connection end plate (2) connection girder steel (2)
Web position both sides be respectively provided with it is low surrender keeper (5) and unilateral bolt (6) pass through.
2. a kind of combined anti-seismic bolt connection node according to claim 1, it is characterised in that the low surrender positioning
Part (5) includes mobile jib (51), filling set (52), sleeve detent mechanism (53) and location nut (54)；
The material of the mobile jib (51) is Low Yield Point Steel, and mobile jib (51) center one is truncated into main surrender section, main surrender section to mobile jib
(51) the termination position at two ends is the diameter for being more than main surrender section from the diameter of surrender section from surrender section, from surrender section close to main
Bar (51) termination position is provided with externally threaded ends screw section (511)；The main surrender section indent of the mobile jib (51), which is constituted, to be had
Multiple cross sections are the first limited impression (514) of isosceles trapezoid shape, and multiple first limited impressions (514) are along mobile jib (51) length
Sequentially arranged on direction, the first spacing preiection (513) is constituted between two the first limited impressions (514) of arbitrary neighborhood；
The inwall convex of the filling set (52) constitutes the second spacing preiection (522) for having cross section to be isosceles trapezoid shape, second
Spacing preiection (522) is suitable with the first limited impression (514) quantity and position is corresponded, two the second limit convexes of arbitrary neighborhood
Play composition the second limited impression (523) corresponding with the first spacing preiection (513) position between (522)；The filling set (52)
It is set on mobile jib (51), the length of filling set (52) is less than the length of the main surrender section of mobile jib (51), filling set (52) internal diameter is small
In mobile jib (51) from the diameter for surrendering section, in embedded second limited impression (523) of the first spacing preiection (513), the second limit convex
Rise in (522) embedded first limited impression (514)；
The sleeve detent mechanism (53) includes backing plate (531) and sleeve (532), described sleeve (532) one end and backing plate (531)
Vertically it is fixedly connected, there being composition on backing plate (531) is coaxially disposed with sleeve (532) and through backing plate (531) opposite end surface
Positional punch；
The low surrender keeper (5) is provided with two sleeve detent mechanisms (53), and described filling set (52) two ends are respectively from two
In the other end insertion sleeve (532) that sleeve (532) is held with respect to connection backing plate (531)；Mobile jib (51) two ends are each passed through
Positional punch on the backing plate (531) of two sleeve detent mechanisms (53)；Location nut (54) in the low surrender keeper (5)
Quantity be two, two location nuts (54) be respectively sleeved at the ends screw at mobile jib (51) two ends section (511) on, position spiral shell
Another side contacts of female (54) with backing plate (531) with respect to branch sleeve (532) side；
The low surrender keeper (5) is connected after end plates (2) through square steel tube (1) and two pieces, its sleeve detent mechanism (53)
The side of backing plate (531) branch sleeve (532) another side contacts for contacting square steel tube (1) side relative with connection end plate (2).
3. a kind of combined anti-seismic bolt connection node according to claim 2, it is characterised in that on the mobile jib (51)
Provided with N number of first spacing preiection (513), wherein, N is the odd number more than or equal to 3；N number of described the first spacing preiection (513)
Symmetrical from mobile jib (51) midpoint, second that the first spacing preiection (513) of mobile jib (51) midpoint is corresponding limits
Position groove (523) size, form fit, the length of first spacing preiection (513) of mobile jib (51) midpoint both sides is less than right with it
The length for the second limited impression (523) answered, the first spacing preiection (513) insertion of mobile jib (51) midpoint both sides is corresponding
Space (55) is formed with after second limited impression (523).
4. a kind of combined anti-seismic bolt connection node according to claim 2, it is characterised in that the mobile jib (51)
Tapering transition face (512) is formed between the main surrender sections of surrender Duan Yuqi.
5. a kind of combined anti-seismic bolt connection node according to claim 1, it is characterised in that also spacing including angle steel
Part (4), the angle steel locating part (4) include position-limiting tube (41) and angle steel (42), one piece of rectangular panel of the angle steel (42) and
The web of girder steel (3) is contacted and is fixed on the web of girder steel (3), and its another piece of rectangular panel is parallel with connection end plate (2)；Institute
Position-limiting tube (41) is stated to be fixedly connected parallel to the rectangular panel lateral wall for being connected end plate (2) is vertical with angle steel (42)；Every girder steel
(3) it is respectively connected with angle steel locating part (4), the termination insertion position-limiting tube (41) of the low surrender keeper (5).
6. a kind of combined anti-seismic bolt connection node according to claim 1, it is characterised in that the square steel tube (1)
Offer bolt hole with connection end plate (2), the low surrender keeper (5), unilateral bolt (6) by through bolt hole come
Through square steel tube (1) and connection end plate (2).
7. a kind of combined anti-seismic bolt connection node according to any one in claim 1~6, it is characterised in that
The both sides at the web position of every piece of connection end plate (2) connection girder steel (2) are respectively provided with two low surrender keeper (5) and two unilateral
Bolt (6) is passed through, and two low surrender keeper (5) height positioned at the web homonymy of girder steel (2) is configured, positioned at girder steel (2)
Two unilateral bolt (6) height of web homonymy are configured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710465431.9A CN107165275B (en) | 2017-06-19 | 2017-06-19 | A kind of combined anti-seismic bolt connection node |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710465431.9A CN107165275B (en) | 2017-06-19 | 2017-06-19 | A kind of combined anti-seismic bolt connection node |
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| CN107165275B CN107165275B (en) | 2019-04-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108517961A (en) * | 2018-05-25 | 2018-09-11 | 夏念涛 | A kind of direct insertion installation node of quick assembling beam column of steel structure and its installation method |
| CN109667349A (en) * | 2019-01-03 | 2019-04-23 | 深圳信息职业技术学院 | Full prefabricated PC concrete frame structure shock-resistant node |
| CN113175115A (en) * | 2021-05-11 | 2021-07-27 | 四川大学 | Double-rigidity buckling restrained damper |
| CN114658101A (en) * | 2022-03-28 | 2022-06-24 | 北京工业大学 | Assembly type adjustable positioning Z-shaped steel pipe column and recycled concrete independent foundation connection structure and construction method |
| CN115478703A (en) * | 2022-10-17 | 2022-12-16 | 四川大学 | Method for preventing frost heaving cracking of concrete hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517961A (en) * | 2018-05-25 | 2018-09-11 | 夏念涛 | A kind of direct insertion installation node of quick assembling beam column of steel structure and its installation method |
| CN109667349A (en) * | 2019-01-03 | 2019-04-23 | 深圳信息职业技术学院 | Full prefabricated PC concrete frame structure shock-resistant node |
| CN113175115A (en) * | 2021-05-11 | 2021-07-27 | 四川大学 | Double-rigidity buckling restrained damper |
| CN114658101A (en) * | 2022-03-28 | 2022-06-24 | 北京工业大学 | Assembly type adjustable positioning Z-shaped steel pipe column and recycled concrete independent foundation connection structure and construction method |
| CN115478703A (en) * | 2022-10-17 | 2022-12-16 | 四川大学 | Method for preventing frost heaving cracking of concrete hole |
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| CN107165275B (en) | 2019-04-09 |
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