CN209568612U - A kind of mixed combination beam of the detachable steel-using tapered cup nut bolt connection piece - Google Patents
A kind of mixed combination beam of the detachable steel-using tapered cup nut bolt connection piece Download PDFInfo
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- CN209568612U CN209568612U CN201822049322.1U CN201822049322U CN209568612U CN 209568612 U CN209568612 U CN 209568612U CN 201822049322 U CN201822049322 U CN 201822049322U CN 209568612 U CN209568612 U CN 209568612U
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- steel
- taper
- hex nut
- shear connector
- bolt
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Abstract
The utility model discloses a kind of detachable steels-using tapered cup nut bolt connection piece to mix combination beam, including stud shear connector, girder steel and precast slab.This structure improves the prefabricated rate of component, existing construction field wet construction can be reduced, so that construction fugitive dust be avoided to pollute atmospheric environment;Shear connector can effectively be increased in the shear surface area of the mixed interface of steel-using taper hexagonal locking nut, shear connector is reduced and the risk that root is cut occurs;The use of bellows can enhance the cementation between grouting and precast slab;Convenient disassembly is easily repaired.Component is Ke Xunhuanliyong, reduces the generation of building waste to a certain extent, economizes on resources.
Description
Technical field
The utility model relates to detachable steels-to mix combination beam, more particularly to a kind of using taper hexagonal locking nut bolt
The detachable steel-of connector mixes combination beam.
Background technique
For a long time, building mostly uses the construction method of cast-in-place concrete, and still, this building is in the construction time
Between, since wet construction is more, a large amount of flue dust can be generated, air quality is influenced;And this kind of building is often not easy to remove, and
A large amount of building waste can be generated, the appearance of the city is influenced.
In this context, for instead preceding cast-in-place building, engineers and technicians develop various dismountable
Steel-concrete composite beam.The characteristics of these steel-concrete composite beams, is: (1) it is all connected by screw bolts part and is attached, side
Just it dismantles;(2) component can be recycled, and be easily repaired;(3) construction site uses prefabricated components, can accelerate speed of application.
But stud shear connector has been used since such detachable steel-mixes combination beam, in the process of installation
In, installation error is inevitably generated, these errors include the positional punch and steel beam flange hole and spiral shell of steel beam flange
Hole etc. between bolt tightening latch.Similar with using the destruction of weld stud shear connector combination beam, such steel-mixes combination beam
Shear connector root easily occurs to cut and shear key surrounding concrete compression damage.
Publication No. CN107447921A, entitled " the high ductility steel-concrete composite beam of detachable assembling type "
Chinese patent is disclosed with flowering structure: girder steel and prefabricated concrete floor are assembled by bolt.I section steel beam top flange
Prepared screw-bolt hole, bolt embedment are and strong to improve with bottom transverse direction reinforcement welding or mechanical connection in concrete floor slab bottoms
The ductility and collapse resistant capacity of shake effect flowering structure.When assembly, prefabricated concrete floor is taken and is pushed up in i section steel beam top flange
Portion, bottom pre-embedded bolt pass through girder steel top flange prepared screw-bolt hole, are then fastened girder steel and floor with nut.Structure uses
Service life expires when dismantling, and backs out bolt, precast floor slab is separated with girder steel.There are bolt connection piece roots to be cut for the patent
Disconnected problem and installation error (hole between steel beam flange hole and bolt tightening latch) problem.
The Chinese patent of Publication No. CN206616444U, entitled " a kind of bolt connecting type steel concrete combination beam " are public
Opened with flowering structure: the steel silicon combination beam is at least made of a bridge section, and each bridge section includes concrete slab and several
The i shaped steel girder that is parallel to each other it is characterized in that, the web two sides of the i shaped steel girder are evenly distributed in connection
Concrete slab described in the ribbed stiffener of lower flange be by Rectangular Concrete board group at array, and in the following manner paving frame in work
A column Rectangular Concrete plate, each piece of rectangle coagulation are equipped on word steel girder between every two adjacent i shaped steel girders
The two sides of native plate are ridden over respectively on the top flange of adjacent two i shaped steel girders, and pass through high-strength bolt and the top flange
It is fixedly connected between two blocks of Rectangular Concrete plates adjacent in the concrete slab and is equipped with build joint when the steel silicon group
When conjunction beam is constituted by two across above beam section, expansion joint is equipped between adjacent two bridges section.There are bolt connection piece roots for the patent
The problem of portion is cut and installation error (hole between steel beam flange hole and bolt tightening latch) problem.
Publication No. CN205242848U, entitled " a kind of prefabricated assembled steel-using high-strength bolt connection is mixed
The Chinese patent of solidifying soil combination beam " is disclosed with flowering structure: mainly including that girder steel, precast rc slab and shearing bolt connect
Pair is connect, wherein by reserving reasonable construction measure on girder steel and precast slab, using shearing bolt auxiliary connection to steel
Beam and precast slab are attached, so that beam-plate junction reduces seldom relative to rigidly connected shear-carrying capacity
In the case of, obtain bigger ductility and deformability.When prefabricated board needs replacing, can by dismantle shearing bolt nut,
So that prefabricated board and girder steel separation, and then realize the disassembly and replacement of prefabricated board.There are bolt connection piece roots to be cut for the patent
Disconnected problem and installation error (hole between steel beam flange hole and bolt tightening latch) problem.
Publication No. CN108660948A, the China of entitled " detachable Prefabricated combined beam screw and combination beam " is specially
Benefit is disclosed with flowering structure: detachable Prefabricated combined beam screw, including screw rod, screw hole dummy slider, nut and gasket, wherein screw rod mentions
For shear resistance capacity, and screw hole dummy slider limits the relative displacement between screw hole and screw rod, while providing part bearing capacity.Nut and
Gasket is used to detachable Prefabricated combined beam screw being fixed on girder steel, when needing to dismantle, it is only necessary to unload lower nut and gasket
Girder steel and concrete is set to become to replace.A kind of combination beam using the detachable Prefabricated combined beam screw, combination beam
In girder steel according to the size reserving hole of detachable Prefabricated combined beam screw.There are bolt connection piece roots to be cut for the patent
The problem of.
Summary of the invention
The shortcomings that the purpose of the utility model is to overcome prior arts, the section of shear can effectively be increased by providing one kind, drop
The probability that low shear key is cut, solve the problems, such as construction fugitive dust using the removable of taper hexagonal locking nut bolt connection piece
It unloads steel-and mixes combination beam.
What the utility model was achieved through the following technical solutions:
A kind of detachable steel-of tapered cup nut bolt connection piece of the utility model mixes combination beam, including steel I-beam, In
Precast slab is installed on the top flange of the steel I-beam, respectively along vertical side on the precast slab
To being provided with the two rows of mounting holes in left and right, the left and right is two rows of, and mounting hole is corresponding with the left and right sides of the web of steel I-beam respectively sets
Set, be embedded with corrugated-pipe sleeve in each mounting hole, on the top flange of the steel I-beam and with each mounting hole
Corresponding position has location hole, and stud shear connector, each bolt are mounted in each corrugated-pipe sleeve
Shear connector includes bolt tightening latch, is connected with taper six in turn from top to bottom at the lower thread end of the bolt tightening latch
The lower part spiral shell of angle nut, steel gasket and hex nut, the taper hex nut and hex nut and bolt tightening latch
Line end is threadedly coupled, and the outer wall lower part of the taper hex nut is taper type structure, the top of each location hole
For the bellmouth coincideing with taper type planform, the lower thread end of each stud shear connector passes through mounting hole, described
The inner wall compression of taper type structure and bellmouth of taper hex nut be bonded positioning, the lower part at the lower thread end leads to
It crosses hex nut to compress steel gasket on the bottom wall for the top flange that steel I-beam is arranged in, be poured in each corrugated-pipe sleeve
There is concrete.
The utility model has the following advantages that compared with the existing technology and protrudes effect:
The detachable steel-of the utility model mixes combination beam can be to avoid installation error, and tapered cup nut is located at steel-and mixes interface
Place can effectively increase the section of shear, reduce the probability that shear key is cut;Bellows-sheathed can be enhanced in the use of corrugated-pipe sleeve
The cementation of grouting and precast slab in cylinder sleeve.In addition, the steel-of the utility model, which mixes combination beam, reduces situ wet
Operation solves the problems, such as construction fugitive dust to a certain extent;Because it is with detachability, convenient for the recycling of structural elements,
It economizes on resources, reduces production cost.
Detailed description of the invention
Fig. 1 is to mix combination beam overall diagram using the detachable steel-of tapered cup nut bolt connection piece;
Fig. 2 is to mix combination beam partial enlarged view using the detachable steel-of tapered cup nut bolt connection piece;
Fig. 3 is to mix combination beam cross-sectional view using the detachable steel-of tapered cup nut bolt connection piece;
Fig. 4 is to mix combination beam skiagraph using the detachable steel-of tapered cup nut bolt connection piece;
Fig. 5 is using tapered cup nut bolt connection piece and steel beam flange connection schematic diagram;
Fig. 6 is the structural map using tapered cup nut bolt connection piece;
Fig. 7 is the detail structure figure being connect using tapered cup nut bolt connection piece with steel beam flange.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail.
As shown in the picture, a kind of detachable steel-using taper hexagonal locking nut bolt connection piece of the utility model
Mixed combination beam, including steel I-beam 1, are equipped with precast slab 4 on the top flange 2 of the steel I-beam 1, described
Precast slab 4 on be provided with the two rows of mounting holes in left and right along the vertical direction respectively, the two rows of mounting holes in the left and right respectively with
It is correspondingly arranged at left and right sides of the web of steel I-beam, corrugated-pipe sleeve 5 is embedded in each mounting hole, in the work
On the top flange 2 of word girder steel 1 and position corresponding with each mounting hole has location hole 10, in each corrugated-pipe sleeve
Stud shear connector is mounted in 5, each stud shear connector includes bolt tightening latch 6, in the bolt tightening latch 6
Lower thread end be connected with taper hex nut 7, steel gasket 9 and hex nut 8, the taper in turn from top to bottom
Hex nut 7 and hex nut 8 are threadedly coupled with the lower thread end of bolt tightening latch 6, outside the taper hex nut 7
Wall lower part is taper type structure, and the top of each location hole 10 is the bellmouth coincideing with taper type planform, often
The lower thread end of a stud shear connector passes through mounting hole, the taper type structure and bellmouth of the taper hex nut
Inner wall compress fitting positioning, the lower part at the lower thread end, which is compressed steel gasket 9 by hex nut 8, to be arranged in work
On the bottom wall of the top flange 2 of word girder steel 1.Concrete has been poured in each corrugated-pipe sleeve 5.
As shown in Figure 3,4, I-steel is located at the downside of concrete slab 4, mainly undertakes pulling force;Concrete slab 4 is located at girder steel
Top, mainly undertake pressure.It is poured inside corrugated-pipe sleeve after stud shear connector with after concrete slab installation in place
Concrete.
In figure 3 be steel I-beam 1 lower flange 3.
As shown in figure 5, stud shear connector is connected by taper hex nut 7 and hex nut 8 with girder steel top flange 2
It connects.Its thin portion connecting structure is as shown in fig. 6, be equipped with steel gasket 9, taper hexagonal spiral shell between girder steel top flange 2 and hex nut 8
The lower cone segments of mother 7 and the bellmouth of 2 upper surface of girder steel top flange fit.
The construction method of the utility model are as follows: make the precast slab 4 for including corrugated-pipe sleeve 5 in factory for prefabrication
It completes the process.Location hole 10 is beaten at the top flange of steel I-beam, is pacified stud shear connector using mode shown in fig. 5
It is filled to the top flange 2 of steel I-beam, thin portion connection such as Fig. 7;After installation is in place, at the construction field (site) as shown in Figure 1 in bellows-sheathed
Casting concrete in cylinder;Finally, forming detachable steel-concrete composite beam described in the utility model.It, only need to be by position when disassembly
Hex nut 8 in steel beam flange lower part is backed out, and takes gasket 9 away, and the disassembly that steel-mixes combination beam can be realized.
The above-mentioned description to the utility model is for this can be understood and applied convenient for those skilled in the art
Utility model.Person skilled in the art obviously easily can make various modifications to the utility model, and be applied to
It is gone without having to go through creative labor in other embodiments.Therefore, the utility model is not limited to embodiment here, this field
Technical staff's announcement according to the present utility model, not departing from improvement that the utility model scope is made and modification all should be at this
Within the protection scope of utility model.
Claims (1)
1. a kind of detachable steel-using tapered cup nut bolt connection piece mixes combination beam, it is characterised in that: including steel I-beam,
Precast slab is installed on the top flange of the steel I-beam, respectively along vertical on the precast slab
Direction is provided with the two rows of mounting holes in left and right, and the two rows of mounting holes in the left and right are corresponding with the left and right sides of the web of steel I-beam respectively
Setting, be embedded with corrugated-pipe sleeve in each mounting hole, on the top flange of the steel I-beam and with each installation
The corresponding position in hole has location hole, and stud shear connector, each spiral shell are mounted in each corrugated-pipe sleeve
Bolt shear connector includes bolt tightening latch, is connected with taper in turn from top to bottom at the lower thread end of the bolt tightening latch
Hex nut, steel gasket and hex nut, the lower part of the taper hex nut and hex nut and bolt tightening latch
The end of thread is threadedly coupled, and the outer wall lower part of the taper hex nut is taper type structure, and each the location hole is upper
Portion is the bellmouth coincideing with taper type planform, and the lower thread end of each stud shear connector passes through mounting hole, institute
The taper type structure for the taper hex nut stated is bonded positioning, the lower part at the lower thread end with the inner wall of bellmouth compression
On the bottom wall that steel gasket is compressed to the top flange that steel I-beam is arranged in by hex nut, poured in each corrugated-pipe sleeve
Concrete is built.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822049322.1U CN209568612U (en) | 2018-12-06 | 2018-12-06 | A kind of mixed combination beam of the detachable steel-using tapered cup nut bolt connection piece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822049322.1U CN209568612U (en) | 2018-12-06 | 2018-12-06 | A kind of mixed combination beam of the detachable steel-using tapered cup nut bolt connection piece |
Publications (1)
Publication Number | Publication Date |
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CN209568612U true CN209568612U (en) | 2019-11-01 |
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CN201822049322.1U Expired - Fee Related CN209568612U (en) | 2018-12-06 | 2018-12-06 | A kind of mixed combination beam of the detachable steel-using tapered cup nut bolt connection piece |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109555265A (en) * | 2018-12-06 | 2019-04-02 | 天津大学 | A kind of mixed combination beam of the detachable steel-using tapered cup nut bolt connection piece |
CN114411964A (en) * | 2022-02-25 | 2022-04-29 | 西安建筑科技大学 | Prefabricated steel-concrete composite beam connected by adopting reamed hole bolts and construction method thereof |
-
2018
- 2018-12-06 CN CN201822049322.1U patent/CN209568612U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109555265A (en) * | 2018-12-06 | 2019-04-02 | 天津大学 | A kind of mixed combination beam of the detachable steel-using tapered cup nut bolt connection piece |
CN114411964A (en) * | 2022-02-25 | 2022-04-29 | 西安建筑科技大学 | Prefabricated steel-concrete composite beam connected by adopting reamed hole bolts and construction method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 Termination date: 20201206 |