CN109898749A - A kind of reinforcing steel bar connecting device and its construction method - Google Patents
A kind of reinforcing steel bar connecting device and its construction method Download PDFInfo
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- CN109898749A CN109898749A CN201910295120.1A CN201910295120A CN109898749A CN 109898749 A CN109898749 A CN 109898749A CN 201910295120 A CN201910295120 A CN 201910295120A CN 109898749 A CN109898749 A CN 109898749A
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- connecting portion
- reinforcing bar
- reinforcing
- fixing piece
- steel bar
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Abstract
The invention discloses reinforcing steel bar connecting devices, including being equipped with internal thread hole, to the first connecting portion with the mating connection of the external screw thread of the first reinforcing bar；Equipped with the second connecting portion being cooperatively connected with the through-hole passed through for the second reinforcing bar, the external screw thread to pass through fixing piece and the second reinforcing bar；Wherein, fixing piece is equipped with internal screw thread；Between first connecting portion and second connecting portion, with for fixing piece and the second reinforcing bar mating connection cavity sleeve part；Wherein, fitting opening is arranged in the side of cavity sleeve part, is connected to the operating space formed to complete fixing piece and the second reinforcing bar assembling process inside fitting opening and cavity sleeve part.Above-mentioned reinforcing steel bar connecting device structure is simple, to connect the steel bar stress in two different concrete prefabricated elements.In addition, the invention also discloses a kind of construction methods of reinforcing steel bar connecting device.
Description
Technical field
The present invention relates to technical field of building construction, more particularly to a kind of reinforcing steel bar connecting device.In addition, the present invention also relates to
And a kind of construction method of above-mentioned reinforcing steel bar connecting device.
Background technique
Reinforced bar sleeve grouting interconnection technique refers to that Ribbed Bar insertion inner cavity is the grout sleeve of convex-concave surface, by set
Injection high-strength cement base material filling is in cylinder to be fixed on a kind of rebar connecting technology in grout sleeve, technology master for two sections of reinforcing bars
It is used for the connection of steel bar stress in two different concrete prefabricated elements.
Currently, grout sleeve is injecting the inside for being embedded in concrete prefabricated element during material filling in advance, even if will fill
Material injects the gap between grout sleeve and reinforcing bar from bottom to up, and not can guarantee material filling still can be full of entire grout sleeve,
And then the bonding strength of concrete prefabricated element is not can guarantee.
Summary of the invention
The object of the present invention is to provide a kind of reinforcing steel bar connecting devices, and the reinforcing steel bar connecting device structure is simple, to connect two
Steel bar stress in a difference concrete prefabricated element.It is a further object of the present invention to provide a kind of above-mentioned reinforcing steel bar connecting devices
Construction method.
To achieve the above object, the present invention provides a kind of reinforcing steel bar connecting device, comprising: is equipped with internal thread hole, to the
The first connecting portion that the external screw thread of one reinforcing bar is cooperatively connected；Equipped with the through-hole passed through for the second reinforcing bar, to pass through fixation
The second connecting portion that the external screw thread of part and the second reinforcing bar is cooperatively connected；Wherein, the fixing piece is equipped with internal screw thread；Set on described
Between one interconnecting piece and the second connecting portion, with for the fixing piece and the second reinforcing bar mating connection cavity sleeve part；
The side of the cavity sleeve part opens up the pilot hole being cooperatively connected to realize the fixing piece and the second reinforcing bar.
Preferably, the outer profile of the first connecting portion is in truncated cone-shaped；Wherein, the cavity sleeve part and described first connects
The biggish bottom surface of area is connected in two bottom surfaces of socket part.
Preferably, the outer profile of the second connecting portion is in disk form.
Preferably, the first connecting portion, the cavity sleeve part and the second connecting portion are integrally formed.
Preferably, the internal thread hole and the through-hole are coaxially disposed.
It preferably, further include set on the washer between the fixing piece and the second connecting portion.
Relative to above-mentioned background technique, reinforcing steel bar connecting device provided by the invention passes through the internal thread hole of first connecting portion
It is cooperatively connected with the external screw thread of the first reinforcing bar and the second reinforcing bar is fixed on by the external screw thread cooperation for passing through fixing piece and the second reinforcing bar
Second connecting portion is to realize the connection of the first reinforcing bar and the second reinforcing bar.Specifically, the first reinforcing bar is matched with this reinforcing steel bar connecting device
It closes and connects and default in the fluting of the first prefabricated components, and open the opening direction of cavity sleeve part with what first component was slotted
Mouth direction is consistent, and the second reinforcing bar that will default in the second prefabricated components passes through the through-hole of second connecting portion, by fixing piece in opening
It is cooperatively connected in cavity with the external screw thread of the second reinforcing bar, realizes the connection of the first reinforcing bar and the second reinforcing bar, and then realize that first is pre-
The connection of component processed and the second prefabricated components.
The present invention also provides a kind of construction methods of above-mentioned reinforcing steel bar connecting device, comprising: to the first reinforcing bar and the second reinforcing bar
The end of the two carries out thread to form external screw thread；By first reinforcing bar and first connecting portion by being threadedly engaged fixation；It will
Second reinforcing bar and second connecting portion are cooperated by fixing piece fixes.
Preferably, it is described by first reinforcing bar and first connecting portion by being threadedly engaged fixed step and described by institute
It states the second reinforcing bar and second connecting portion to pass through between the fixed step of fixing piece cooperation further include: by first reinforcing bar and reinforcing bar
Attachment device is embedded in advance at the fluting of the first prefabricated components end；Second reinforcing bar is embedded in advance in the second prefabricated components；It will
First prefabricated components are hung to the surface of second prefabricated components, and second reinforcing bar is made to be arranged in through-hole.
Preferably, described also to wrap second reinforcing bar later by the fixed step of fixing piece cooperation with second connecting portion
It includes: the fluting of filling first prefabricated components end.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the axonometric drawing that reinforcing steel bar connecting device provided by the present invention connects the first reinforcing bar and the second reinforcing bar；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 is the cross-sectional view of Fig. 1；
Fig. 4 is that reinforcing steel bar connecting device provided by the present invention connects the first prefabricated components and the axis of the second prefabricated components is surveyed
Figure；
Fig. 5 is the flow chart of the first reinforcing steel bar connecting device construction method provided by the present invention；
Fig. 6 is the flow chart of second of reinforcing steel bar connecting device construction method provided by the present invention；
Fig. 7 is the flow chart of the third reinforcing steel bar connecting device construction method provided by the present invention；
Wherein,
The first prefabricated components of 01-, the second prefabricated components of 02-, the first reinforcing bar of 03-, the second reinforcing bar of 04-, 1- first connecting portion,
11- internal thread hole, 2- cavity sleeve part, 3- second connecting portion, 31- through-hole, 4- fixing piece, 5- washer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
Fig. 1 to Fig. 7 is please referred to, Fig. 1 is that reinforcing steel bar connecting device provided by the present invention connects the first reinforcing bar and the second reinforcing bar
Axonometric drawing；Fig. 2 is the explosive view of Fig. 1；Fig. 3 is the cross-sectional view of Fig. 1；Fig. 4 is reinforcing steel bar connecting device provided by the present invention company
Connect the axonometric drawing of the first prefabricated components and the second prefabricated components；Fig. 5 is that the first reinforcing steel bar connecting device provided by the present invention is applied
The flow chart of work method；Fig. 6 is the flow chart of second of reinforcing steel bar connecting device construction method provided by the present invention；Fig. 7 is this
The flow chart of the third reinforcing steel bar connecting device construction method provided by inventing.
A kind of reinforcing steel bar connecting device provided by the present invention, as shown in Figures 1 to 4, which includes: to be equipped with
Internal thread hole 11, the first connecting portion 1 to be cooperatively connected with the external screw thread of the first reinforcing bar 03；Equipped with for the second reinforcing bar 04
The through-hole 31 passed through, the second connecting portion 3 being cooperatively connected to the external screw thread by fixing piece 4 and the second reinforcing bar 04；Wherein, Gu
Part 4 is determined equipped with internal screw thread；Match between first connecting portion 1 and second connecting portion 3, with for fixing piece 4 and the second reinforcing bar 04
Close the cavity sleeve part 2 of connection；Wherein, fitting opening, the fitting opening and cavity sleeve part is arranged in the side of cavity sleeve part 2
2 inside is connected to the operating space to be formed to complete 04 assembling process of fixing piece 4 and the second reinforcing bar.
Fixing piece 4 can be made to enter cavity sleeve from the external world it should be noted that the size of above-mentioned fitting opening should meet
In portion 2, and operated enough for tools such as manpower or spanners to realize fixing piece 4 being assemblied in spiral shell outside 04 end of the second reinforcing bar
The mating connection condition of line；Shown in as shown in the figure 1 and Fig. 3, above-mentioned fitting opening direction preferably with the first reinforcing bar 03 or the second
The installation direction of reinforcing bar 04 is vertical, and then has formation between cavity sleeve part 2 and first connecting portion 1 and second connecting portion 3
The cavity of opening, the cavity and fitting opening form aforesaid operations space；(i.e. pilot hole is in Fig. 1 for the length of above-mentioned fitting opening
In size along the vertical direction) equal length preferably with cavity sleeve part 2, making cavity sleeve part 2 is in the cylinder of semi-surrounding shape
Body；Above-mentioned fixing piece 4 is preferably nut, wherein the type and model of nut do not make specific restriction herein, as long as can
Cooperate with the external screw thread of 04 end of the second reinforcing bar, certain above-mentioned fixing piece 4 or other tool internal thread parts.
As shown in Figures 1 to 4, it is concentrated to save material and reduce the stress of first connecting portion 1, above-mentioned first connection
The outer profile in portion 1 is preferably in truncated cone-shaped, and internal thread hole 11 is through to cavity sleeve part 2 and first along the axis of first connecting portion 1
Interconnecting piece 1 and second connecting portion 3 be formed by cavity namely between the depth of internal thread hole 11 i.e. two bottom surfaces of rotary table away from
From.In order to make to have in above-mentioned cavity biggish space, above-mentioned cavity sleeve part 2 and face in two bottom surfaces of first connecting portion 1
The biggish bottom surface of product is connected, so that the outer profile of cavity sleeve part 2 and the outer profile of the biggish bottom surface of above-mentioned area are mutually neat.
It should be noted that the outer profile of first connecting portion 1 is also designed to other shapes, such as cylindrical, as long as
Internal thread hole 11 can be arranged inside it to all belong to the scope of protection of the present invention；Above-mentioned internal thread hole 11 may be designed in blind
Hole namely its depth are less than the distance between two bottom surfaces of rotary table.
As shown in Figures 1 to 4, the outer profile of above-mentioned second connecting portion 3 is preferably in disk form, and through-hole 31 is along second connecting portion
3 axis is through to cavity sleeve part 2 and first connecting portion 1 and second connecting portion 3 is formed by cavity namely through-hole 31
The thickness of depth, that is, second connecting portion 3.Certainly, the outer profile of second connecting portion 3 is also designed to other shapes, such as rotary table
Shape, as long as guaranteeing that it can be fitted close with fixing piece 4 fixes the second reinforcing bar 04 to realize.
It should be noted that above-mentioned first connecting portion 1, cavity sleeve part 2 and second connecting portion 3 are integrally formed, namely
Entire reinforcing steel bar connecting device is structure as a whole, wherein and this reinforcing steel bar connecting device preferably passes through moulding by casting in a mold, certainly,
This reinforcing steel bar connecting device other integrally formed modes can also be made up of 3D printing etc..
To avoid this reinforcing steel bar connecting device from carrying torque, above-mentioned internal screw thread when connecting the first reinforcing bar 03 and the second reinforcing bar 04
Hole 11 should be coaxially disposed with through-hole 31, the pulling force and the second reinforcing bar from the first reinforcing bar 03 for bearing this reinforcing steel bar connecting device
04 pulling force is conllinear, even if also the arm of force between above-mentioned two pulling force is zero.
This reinforcing steel bar connecting device further includes the washer 5 to be set between fixing piece 4 and second connecting portion 3, to prevent
The surface of second connecting portion 3 is set to be worn during fixed disassembly part 4, and reduce that 3 surface of second connecting portion born answers
Power is concentrated.Wherein, the surface of above-mentioned second connecting portion 3 refers to the surface that second connecting portion 3 is located in cavity.
The present invention also provides a kind of construction methods of above-mentioned reinforcing steel bar connecting device, as shown in figure 5, the construction method includes:
Step S1: thread is carried out to form external screw thread to the end of both the first reinforcing bar 03 and the second reinforcing bar 04.Such as Fig. 2 institute
Show, is threadedly coupled cooperation to realize, needs in factory for prefabrication according to " Jointing technology of reinforcement rib-peeling rolled straight screw regulation "
(JGJ-107-2010) end to the first reinforcing bar 03 and the end of the second reinforcing bar 04 carry out thread, to form end with outer spiral shell
The first reinforcing bar 03 and the second reinforcing bar 04 of line.
Preferably, the screw thread segment length of 03 end of the first reinforcing bar is machined to the internal thread hole 11 with first connecting portion 1
Depth it is consistent, certainly, the length of above-mentioned thread segment can also be more than or less than the depth of above-mentioned internal thread hole 11, as long as can
It is cooperatively connected with internal thread hole 11；And the screw thread segment length of 04 end of the second reinforcing bar should be according to the length of cavity sleeve part 2
And whether be convenient for depending on realizing the actual conditions such as mating connection in cavity with fixing piece 4, do not make specific restriction herein.
It should be noted that " Jointing technology of reinforcement rib-peeling rolled straight screw regulation " referenced by above-mentioned thread process
(JGJ-107-2010) it is only used as a kind of preferred embodiment, vehicle can also be carried out according to end of other regulations to reinforcing bar certainly
Silk.
Step S2: by the first reinforcing bar 03 with first connecting portion 1 by being threadedly engaged fixation.As shown in figure 3, in prefabricated components
Factory cooperates the external screw thread of 03 end of the first reinforcing bar and the internal thread hole 11 of first connecting portion 1, until the end of the first reinforcing bar 03
It extends to the cavity of this reinforcing steel bar connecting device or reaches the bottom of internal thread hole 11, to guarantee maximum bonding strength.
Step S3: the second reinforcing bar 04 is fixed with second connecting portion 3 by the cooperation of fixing piece 4.As shown in Figures 1 to 4, exist
The end of second reinforcing bar 04 is arranged in through-hole 31 by construction site, is located at the end of the second reinforcing bar 04 in cavity, by fixing piece 4
It is put into cavity, cooperates the external screw thread of its internal screw thread and the second reinforcing bar 04, and revolve fixing piece 4 using tools such as manpower or spanners
It to the surface of second connecting portion 3, realizes and the second reinforcing bar 04 is fixed on second connecting portion 3, and then realize the first reinforcing bar 03 and the
The connection of two reinforcing bars 04.
It should be noted that being fixed in order to avoid the surface fixture 4 of above-mentioned second connecting portion 3 is worn in assembly
Before part 4, it is set with washer 5 on the second reinforcing bar 04, and washer 5 is made to be located at the surface of second connecting portion 3, to play the work of isolation
With.
At the construction field (site), the purpose for connecting two reinforcing bars is connection in order to realize two prefabricated components, as shown in fig. 6,
And then between step S2 and step S3 further include:
Step S01: the first reinforcing bar 03 and reinforcing steel bar connecting device are embedded in the fluting of 01 component ends of the first prefabricated components in advance
Place.As shown in figure 4, using the materials such as cement mortar or pea gravel concreten manufacture end tool slotted first in factory for prefabrication
Prefabricated components 01, and be embedded in the first reinforcing bar 03 and this reinforcing steel bar connecting device in advance while manufacturing the first prefabricated components 01
It states in fluting, and keeps the opening direction of cavity sleeve part 2 consistent with the opening direction of fluting, in order to the assembly of fixing piece 4.
Step S02: the second reinforcing bar 04 is embedded in the second prefabricated components 02 in advance.As shown in figure 4, being used in factory for prefabrication
The materials such as cement mortar or pea gravel concreten manufacture the second prefabricated components 02, and will while manufacturing the second prefabricated components 02
Second reinforcing bar 04 is embedded in the end of the second prefabricated components 02 in advance.
First prefabricated components 01: being hung to the surface of the second prefabricated components 02 by step S03, is arranged in the second reinforcing bar 04
Through-hole 31.As shown in figure 4, at the construction field (site), the second reinforcing bar 04 of the second prefabricated components 02 is arranged upward, by the first prefabricated structure
Part 01 is sling to the surface of the second prefabricated components 02, and reduces the position of the first prefabricated components 01, makes the second prefabricated components 02
The second reinforcing bar 04 be arranged in through-hole 31.
It should be noted that the equipment for lifting by crane the first prefabricated components 01 in step S03 is referred in the prior art hang
Equipment is transported, does not make specific restriction herein.
In order to avoid this reinforcing steel bar connecting device carries excessive load, as shown in fig. 7, also being wrapped after above-mentioned steps S3
It includes:
Step S04: the fluting of filling 01 end of the first prefabricated components.It uses and is made than the first prefabricated components 01 at the construction field (site)
Make the cavity and first that the materials such as the high cement mortar of feedstock grade or pea gravel concreten are sequentially filled this reinforcing steel bar connecting device
The fluting of prefabricated components 01 makes the end of the first reinforcing bar 03, this reinforcing steel bar connecting device and the second reinforcing bar 04 be embedded in advance
In one component 01, to share the load of this reinforcing steel bar connecting device using above-mentioned high-grade material, and then plays and improve this steel
The effect of muscle attachment device intensity.
Since first connecting portion 1 is in truncated cone-shaped, stress surface is the lesser bottom surface of area and side, compared to cylinder
The first connecting portion 1 of shape, truncated cone-shaped construction has bigger forced area, therefore reduces the stress of the receiving of first connecting portion 1
It concentrates.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Reinforcing steel bar connecting device provided by the present invention and its construction method are described in detail above.It is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand
Method and its core concept of the invention.It should be pointed out that for those skilled in the art, not departing from this
, can be with several improvements and modifications are made to the present invention under the premise of inventive principle, these improvement and modification also fall into the present invention
In scope of protection of the claims.
Claims (9)
1. a kind of reinforcing steel bar connecting device characterized by comprising
Equipped with internal thread hole (11), to the first connecting portion (1) with the mating connection of the external screw thread of the first reinforcing bar (03)；
Equipped with the through-hole (31) passed through for the second reinforcing bar (04), to pass through the outer of fixing piece (4) and the second reinforcing bar (04)
It is threadedly engaged the second connecting portion (3) of connection；Wherein, the fixing piece (4) is equipped with internal screw thread；
Between the first connecting portion (1) and the second connecting portion (3), with for the fixing piece (4) and the second steel
The cavity sleeve part (2) that muscle (04) is cooperatively connected；
Wherein, fitting opening, the fitting opening and the cavity sleeve part (2) is arranged in the side of the cavity sleeve part (2)
Inside connection forms the operating space to complete the fixing piece (4) and the second reinforcing bar (04) assembling process.
2. reinforcing steel bar connecting device according to claim 1, which is characterized in that the outer profile of the first connecting portion (1) is in
Truncated cone-shaped；Wherein, the cavity sleeve part (2) and the biggish bottom surface phase of area in two bottom surfaces of the first connecting portion (1)
Even.
3. reinforcing steel bar connecting device according to claim 2, which is characterized in that the outer profile of the second connecting portion (3) is in
Disc.
4. reinforcing steel bar connecting device according to any one of claims 1 to 3, which is characterized in that the first connecting portion (1),
The cavity sleeve part (2) and the second connecting portion (3) are integrally formed.
5. reinforcing steel bar connecting device according to claim 4, which is characterized in that the internal thread hole (11) and the through-hole
(31) it is coaxially disposed.
6. reinforcing steel bar connecting device according to claim 5, which is characterized in that further include being set to the fixing piece (4) and institute
State the washer (5) between second connecting portion (3).
7. a kind of construction method of reinforcing steel bar connecting device characterized by comprising
Thread is carried out to form external screw thread to the end of both the first reinforcing bar (03) and the second reinforcing bar (04)；
By first reinforcing bar (03) and first connecting portion (1) by being threadedly engaged fixation；
Second reinforcing bar (04) and second connecting portion (3) are fixed by fixing piece (4) cooperation.
8. construction method according to claim 7, which is characterized in that described to connect first reinforcing bar (03) with first
Portion (1) is by being threadedly engaged fixed step and described second reinforcing bar (04) and second connecting portion (3) being passed through fixing piece
(4) between the fixed step of cooperation further include:
First reinforcing bar (03) and reinforcing steel bar connecting device are embedded in advance at the fluting of the first prefabricated components (01) end；
Second reinforcing bar (04) is embedded in advance in the second prefabricated components (02)；
First prefabricated components (01) are hung to the surface of second prefabricated components (02), make second reinforcing bar (04)
It is arranged in through-hole (31).
9. construction method according to claim 8, which is characterized in that described to connect second reinforcing bar (04) with second
After portion (3) is by the fixed step of fixing piece (4) cooperation further include:
Fill the fluting of the first prefabricated components (01) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910295120.1A CN109898749A (en) | 2019-04-12 | 2019-04-12 | A kind of reinforcing steel bar connecting device and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910295120.1A CN109898749A (en) | 2019-04-12 | 2019-04-12 | A kind of reinforcing steel bar connecting device and its construction method |
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| Publication Number | Publication Date |
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| CN109898749A true CN109898749A (en) | 2019-06-18 |
Family
ID=66954795
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910295120.1A Pending CN109898749A (en) | 2019-04-12 | 2019-04-12 | A kind of reinforcing steel bar connecting device and its construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725479A (en) * | 2019-10-10 | 2020-01-24 | 东南大学 | Assembled steel bar connector |
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| CN109025073A (en) * | 2018-09-06 | 2018-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated components flower basket type reinforcing bar connector |
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| KR20130056134A (en) * | 2011-11-21 | 2013-05-29 | 동아이엔지(주) | Iron reinforcing rod coupler and precast assembly using the same |
| EP3009575A1 (en) * | 2014-10-15 | 2016-04-20 | Kappa Filter Systems GmbH | Connecting device for mechanically coupling concrete slabs, and concrete wall constructed with same |
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Application publication date: 20190618 |