CN108118834A - Prefabricated assembled concrete structure is constructed with card key formula bar connecting - Google Patents
Prefabricated assembled concrete structure is constructed with card key formula bar connecting Download PDFInfo
- Publication number
- CN108118834A CN108118834A CN201810046172.0A CN201810046172A CN108118834A CN 108118834 A CN108118834 A CN 108118834A CN 201810046172 A CN201810046172 A CN 201810046172A CN 108118834 A CN108118834 A CN 108118834A
- Authority
- CN
- China
- Prior art keywords
- casing
- card key
- sleeve
- concrete structure
- prefabricated assembled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The present invention relates to a kind of prefabricated assembled concrete structure card key formula bar connectings to construct,Connector includes sleeve,Top on the inside of sleeve is equipped with casing,The upper and lower part of casing is both provided with cavity,The upper chamber medial surface of casing is connected with upper reinforcement end lateral surface,Round nut is provided in the lower cavity of casing,The inside of round nut on the outside of lower rebar end with being connected,Annular steps are provided on the inside of the sleeve bottom below casing,Lower rebar outer sheath between annular steps and casing is equipped with card key,Card key plectrum is installed between card key and sleeve lining,Pass through external thread sleeve,Internally threaded sleeve,Nut,Card key,Spring assembly forms,It is big to possess bearing capacity,It is easy for installation,The advantages of performance is stablized,Because that need not be in the milk,Grout hole and venthole is more not required,The shortcomings that completely avoiding foregoing two classes connection.
Description
Technical field
The present invention relates to a kind of bar connecting constructions, particularly a kind of prefabricated assembled concrete structure card key formula reinforcing bar
Connecting structure.
Background technology
It using prefabricated assembled concrete component is main bearing member through assembling or being formed by connecting that prefabricated construction, which is,
Concrete structure general designation.This kind of structure construction procedure meets saving land, is energy saving, saving material, water-saving and environment guarantor for green construction
The requirements such as shield are one of effective ways for realizing architectural industrialization and building energy conservation emission reduction.Prefabricated assembled concrete member end
Rebar connecting technology between portion is one of key technology of prefabricated assembled concrete structure, and reliable connection is to ensure structure
The key of globality and shock resistance.Wherein, since execution conditions limit, the vertical steel of full prefabricated components or element precast part
The main connection mode of muscle is sleeve connection and slurry anchor overlap joint.Sleeve connection technology is with bumps by two connection reinforcing bar insertions
In the high-strength sleeve of slot, high-strength grout is then injected in cylinder by the grout hole outside unicom prefabricated components, treats its hardening
Afterwards by together with reinforcing bar and sleeve firm connection, the effect of venthole is to ensure that slurry can from top to bottom flow in sleeve.
Slurry anchor connection technology is that a reinforcing bar and sleeve first are carried out overlap joint binding.Then reinforcing bar insertion sleeve is connected by another, and
High-strength grout is injected in cylinder by grout hole outside unicom prefabricated components, it is after its hardening that reinforcing bar and sleeve is strong bonded
Together, the latter is also required to installation venthole.
The common drawback that both modes are constructed is：It is required for being embedded in structure by stretching out in afterwards in place in lifting component
Grout hole in part carries out cementing operations.After the factors such as the quality of slurries, the construction technology level of grouting directly affect grouting
The bearing capacity size of the connection；When slurry solidifies completely, after forming the strength of materials, which could form bearing capacity.At this
Before, the disturbance deformation of interpolation reinforcing bar can destroy slurry form caused by external construction, reduce the bearing capacity of the connection；The casing
The overhanging grout hole in both ends and venthole are added significantly to the formwork in element precast stage, pour difficulty with maintenance work.
Therefore, a kind of simple in structure, easy to operate, stable connection is produced, operational efficiency is high, and bearing capacity is big, easy for installation,
The prefabricated assembled concrete structure that performance is stablized is constructed with card key formula bar connecting, has extensive market prospects.
The content of the invention
The present invention provides a kind of simple in structure, easy to operate, stable connection, and operational efficiency is high, and bearing capacity is big, installation side
Just, the prefabricated assembled concrete structure that performance is stablized is constructed with card key formula bar connecting, of the prior art all for overcoming
More defects.
The technical proposal of the invention is realized in this way：A kind of prefabricated assembled concrete structure card key formula bar connecting
Construction, including upper reinforcement, lower rebar and the connector being arranged between upper reinforcement and lower rebar, the connection
Body includes sleeve, and the top on the inside of sleeve is equipped with casing, and the upper and lower part of casing is both provided with cavity, the top of casing
Inside cavities face is connected with upper reinforcement end lateral surface, is provided with round nut in the lower cavity of casing, round nut it is interior
Side is provided with annular steps, annular steps with being connected on the outside of lower rebar end on the inside of the sleeve bottom below casing
Card key is provided between casing, card key is sleeved on the outside of lower rebar, and card key plectrum is equipped between card key and sleeve lining.
The casing is the tubular structure that longitudinal section is H fonts, the mode being connected through a screw thread on the outside of casing and set
The inner wall on cylinder top is connected, the mode that the upper chamber medial surface of casing is connected through a screw thread and upper reinforcement end lateral surface
It is connected.
The outer diameter of the round nut is not more than the internal diameter of casing part cavity, and chamfering, circle spiral shell are offered on round nut
The mode that female inside is connected through a screw thread on the outside of lower rebar end with being connected.
The lower part of the sleeve is provided with trumpet, and the internal diameter of trumpet rear portion end face is straight not less than round nut
Footpath.
The bottom of the card key is provided with chamfering, the internal diameter more than annular steps of card key.
The annular steps are structure as a whole with sleeve.
The present invention has following good effect：The configuration of the present invention is simple, easy to operate, connector includes sleeve, is covering
The top of cylinder inside is equipped with casing, and the upper and lower part of casing is both provided with cavity, the upper chamber medial surface of casing with it is upper
The end reinforced lateral surface in portion is connected, and round nut, inside and the lower rebar end of round nut are provided in the lower cavity of casing
Be connected on the outside of portion, annular steps be provided on the inside of the sleeve bottom below casing, between annular steps and casing under
Portion's reinforcing bar outer sheath is equipped with card key, and card key plectrum is equipped between card key and sleeve lining, passes through external thread sleeve, inner screw sheath
Pipe, nut, card key, spring assembly form, and possess the advantages of bearing capacity is big, easy for installation, performance is stablized, because that need not be in the milk,
Grout hole and venthole is more not required, it is entirely avoided the shortcomings that foregoing two class connects.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the internal structure schematic diagram of the present invention.
Fig. 3 is A-A sectional views in Fig. 2 of the present invention.
Fig. 4 is B-B sectional views in Fig. 2 of the present invention.
Fig. 5 is card key plectrum structure diagram of the present invention.
Specific embodiment
As shown in Fig. 1,2,3,4,5, a kind of prefabricated assembled concrete structure is constructed with card key formula bar connecting, including upper
Portion's reinforcing bar 6, lower rebar 7 and the connector being arranged between upper reinforcement 6 and lower rebar 7, the connector include
Sleeve 1 is equipped with casing 2 on the top of 1 inside of sleeve, and the upper and lower part of casing 2 is both provided with cavity, the top of casing 2
Inside cavities face is connected with 6 end lateral surface of upper reinforcement, and round nut 5, round nut 5 are provided in the lower cavity of casing 2
Inside with being connected on the outside of 7 end of lower rebar, 1 bottom inside of sleeve below casing 2 is provided with annular steps 8,
Card key 4 is provided between annular steps 8 and casing 2, card key 4 is sleeved on the outside of lower rebar 7, between 1 inner wall of card key 4 and sleeve
Card key plectrum 3 is installed.
The casing 2 is the tubular structure that longitudinal section is H fonts, the mode that the outside of casing 2 is connected through a screw thread with
The inner wall on 1 top of sleeve is connected, the mode that the upper chamber medial surface of casing 2 is connected through a screw thread and 6 end of upper reinforcement
Lateral surface is connected.The outer diameter of the round nut 5 is not more than the internal diameter of 2 lower cavity of casing, is offered down on round nut 5
Angle, the mode that the inside of round nut 5 is connected through a screw thread on the outside of 7 end of lower rebar with being connected.Under the sleeve 1
Portion is provided with trumpet 9, and the internal diameter of 9 rear portion end face of trumpet is not less than the diameter of round nut 5.The bottom of the card key 4
Portion is provided with chamfering, the internal diameter more than annular steps 8 of card key 4.The annular steps 8 are structure as a whole with sleeve 1.
Concrete operations are as follows：6 end of upper reinforcement is threadedly coupled with casing 2, then in the interior step of sleeve 1
Upper placement elastic plectrum 3 and card key 4, it is whole afterwards to be inserted in casing 2 and be threadedly coupled.During prefabricated construction component,
These foregoing components are embedded into structural elements bottom, only reveal the under shed of sleeve 1 in structural elements bottom surface.Then by lower part steel
7 end of muscle is threadedly coupled with round nut 5.7 big portion of lower rebar is embedded into substructure component, only exposes band round nut
5 end.
During prefabricated assembled component installation, the prefabricated structural element for being embedded with upper reinforcement 6 is lifted to 7 upper end of lower rebar,
Make 1 lower part horn mouth centering round nut 5 of sleeve.Then structural elements sinks, and round nut enters trumpet 9, then round nut
Into 9 back segment of trumpet, afterwards, round nut squeezes card key 4, continue with structural elements sink and deeply, elastic plectrum 3 then by
Compression.When 5 upper end of round nut is reached at the top of the lower chamber of casing 2, round nut no longer forms squeezing action to card key 4, then blocks
The homing under the elastic pressure effect of elastic plectrum 3 of key 4, closes up again.At this time because of the constraint of card key 4, round nut 5 is under
Portion's reinforcing bar 7 is fixed in the lower chamber of casing 2, can no longer be extracted.
When 6 tension of upper reinforcement, pulling force is transferred to sleeve 1 by casing 2, is then transferred to by the step of sleeve 1
Card key 4 is then transferred to round nut 5 by card key 4, is eventually transferred into lower rebar 7.When upper reinforcement 6 is pressurized, pressure passes
Casing 2 is delivered to, is then directly delivered to 7 top of lower rebar.
The present invention has rational in infrastructure, and installation is convenient, and reliable in action is simple, and the advantages of large carrying capacity, avoids
It is present in the intrinsic construction problem of each link such as formwork, installation, maintenance in traditional sleeve connection and slurry anchor connection.
Claims (6)
1. a kind of prefabricated assembled concrete structure is constructed with card key formula bar connecting, including upper reinforcement（6）, lower rebar
（7）And it is arranged on upper reinforcement（6）And lower rebar（7）Between connector, it is characterised in that：The connector includes
Sleeve（1）, in sleeve（1）The top of inside is equipped with casing（2）, casing（2）Upper and lower part be both provided with cavity, casing
（2）Upper chamber medial surface and upper reinforcement（6）End lateral surface is connected, casing（2）Lower cavity in be provided with circle
Nut（5）, round nut（5）Inside and lower rebar（7）It is connected on the outside of end, in casing（2）The sleeve of lower section（1）Bottom
Annular steps are provided on the inside of portion（8）, annular steps（8）And casing（2）Between be provided with card key（4）, card key（4）It is sleeved on down
Portion's reinforcing bar（7）Outside, card key（4）And sleeve（1）Card key plectrum is installed between inner wall（3）.
2. prefabricated assembled concrete structure according to claim 1 is constructed with card key formula bar connecting, it is characterised in that：
The casing（2）Be longitudinal section be H fonts tubular structure, casing（2）The mode that is connected through a screw thread of outside and sleeve
（1）The inner wall on top is connected, casing（2）The mode that is connected through a screw thread of upper chamber medial surface and upper reinforcement（6）End
Portion's lateral surface is connected.
3. prefabricated assembled concrete structure according to claim 1 is constructed with card key formula bar connecting, it is characterised in that：
The round nut（5）Outer diameter be not more than casing（2）The internal diameter of lower cavity, in round nut（5）On offer chamfering, circle spiral shell
It is female（5）The inside mode and lower rebar that are connected through a screw thread（7）It is connected on the outside of end.
4. prefabricated assembled concrete structure according to claim 1 is constructed with card key formula bar connecting, it is characterised in that：
The sleeve（1）Lower part be provided with trumpet（9）, trumpet（9）The internal diameter of rear portion end face is not less than round nut（5）
Diameter.
5. prefabricated assembled concrete structure according to claim 1 is constructed with card key formula bar connecting, it is characterised in that：
The card key（4）Bottom be provided with chamfering, card key（4）Be more than annular steps（8）Internal diameter.
6. prefabricated assembled concrete structure according to claim 1 is constructed with card key formula bar connecting, it is characterised in that：
The annular steps（8）With sleeve（1）It is structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046172.0A CN108118834B (en) | 2018-01-17 | 2018-01-17 | Prefabricated assembled concrete structure card key formula reinforcing bar connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046172.0A CN108118834B (en) | 2018-01-17 | 2018-01-17 | Prefabricated assembled concrete structure card key formula reinforcing bar connecting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108118834A true CN108118834A (en) | 2018-06-05 |
| CN108118834B CN108118834B (en) | 2019-10-22 |
Family
ID=62234006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810046172.0A Expired - Fee Related CN108118834B (en) | 2018-01-17 | 2018-01-17 | Prefabricated assembled concrete structure card key formula reinforcing bar connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108118834B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868008A (en) * | 2018-08-19 | 2018-11-23 | 中国矿业大学 | Replaceable screw shell ductility reinforcing steel bar connecting device and installation and replacement method |
| CN111005563A (en) * | 2019-12-24 | 2020-04-14 | 机械工业第六设计研究院有限公司 | Connection construction method of concrete shear wall |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0107558A2 (en) * | 1982-10-22 | 1984-05-02 | REHAU AG + Co | Lattices reinforcement, holder device therefor and heating installation containing them |
| JP2003035010A (en) * | 2001-07-24 | 2003-02-07 | Tokyo Tekko Co Ltd | Check valve and reinforcing bar coupling device |
| CN202809993U (en) * | 2012-09-01 | 2013-03-20 | 青岛森林金属制品有限公司 | Taper sleeve locking type steel bar connecting joint |
| CN205976229U (en) * | 2016-05-19 | 2017-02-22 | 金花 | Steel sleeve |
| CN206512929U (en) * | 2017-02-28 | 2017-09-22 | 中国建筑第八工程局有限公司 | Expansion type bar connecting self-locking device |
-
2018
- 2018-01-17 CN CN201810046172.0A patent/CN108118834B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0107558A2 (en) * | 1982-10-22 | 1984-05-02 | REHAU AG + Co | Lattices reinforcement, holder device therefor and heating installation containing them |
| JP2003035010A (en) * | 2001-07-24 | 2003-02-07 | Tokyo Tekko Co Ltd | Check valve and reinforcing bar coupling device |
| CN202809993U (en) * | 2012-09-01 | 2013-03-20 | 青岛森林金属制品有限公司 | Taper sleeve locking type steel bar connecting joint |
| CN205976229U (en) * | 2016-05-19 | 2017-02-22 | 金花 | Steel sleeve |
| CN206512929U (en) * | 2017-02-28 | 2017-09-22 | 中国建筑第八工程局有限公司 | Expansion type bar connecting self-locking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868008A (en) * | 2018-08-19 | 2018-11-23 | 中国矿业大学 | Replaceable screw shell ductility reinforcing steel bar connecting device and installation and replacement method |
| CN111005563A (en) * | 2019-12-24 | 2020-04-14 | 机械工业第六设计研究院有限公司 | Connection construction method of concrete shear wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108118834B (en) | 2019-10-22 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Zhiqin Inventor after: Lei Yingzhan Inventor after: He Ping Inventor after: Wang Linge Inventor after: Hao Xiao Inventor after: Zhou Haitao Inventor after: Liu Fangfang Inventor after: Han Yang Inventor after: Wei Guoxiang Inventor after: Xue Na Inventor after: Huang Wei Inventor after: Hou Yuanheng Inventor before: Hao Xiao Inventor before: Zhou Haitao Inventor before: Wei Guoxiang Inventor before: Xue Na Inventor before: Huang Wei Inventor before: Hou Yuanheng Inventor before: Lei Yingzhan Inventor before: He Ping |
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| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 Termination date: 20220117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |