CN204326248U - A kind of steel reinforcement abutting joints with the concavo-convex rib of spirality connects grout sleeve - Google Patents

A kind of steel reinforcement abutting joints with the concavo-convex rib of spirality connects grout sleeve Download PDF

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Publication number
CN204326248U
CN204326248U CN201420543777.8U CN201420543777U CN204326248U CN 204326248 U CN204326248 U CN 204326248U CN 201420543777 U CN201420543777 U CN 201420543777U CN 204326248 U CN204326248 U CN 204326248U
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CN
China
Prior art keywords
seamless steel
steel pipe
spirality
spiral groove
grout sleeve
Prior art date
Application number
CN201420543777.8U
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Chinese (zh)
Inventor
刘康
郭海山
蒋立红
李景芳
李云贵
孙建运
范昕
杨晓杰
耿娇
李明
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中国建筑股份有限公司
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Priority to CN201420543777.8U priority Critical patent/CN204326248U/en
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Publication of CN204326248U publication Critical patent/CN204326248U/en

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Abstract

A kind of steel reinforcement abutting joints with the concavo-convex rib of spirality connects grout sleeve, comprise seamless steel pipe, same lateral position at the two ends of seamless steel pipe respectively correspondence has injected hole and slurry outlet, the outer wall of seamless steel pipe there is spiral groove, the inwall of seamless steel pipe has the spirality fin corresponding with spiral groove, the middle part of seamless steel pipe is connected with the alignment pin inserting seamless steel pipe inside.The utility model adopts hot rolled seamless steel tube as grout sleeve main body, and reliability is high; Spiral groove on seamless steel pipe and spirality fin, processing technology is simple, processing capacity is little, efficiency is high, saves material, reduces cost.Be applicable to how high-rise prefabricated assembled concrete frame construction, shear wall structure and the Vertical bar connection of the precast concrete column in frame-shear-wall structure, the horizontal reinforcement of precast concrete beam be connected and bar connecting in the Vertical bar connection of precast concrete shear wall and existing stabilization works.

Description

A kind of steel reinforcement abutting joints with the concavo-convex rib of spirality connects grout sleeve
Technical field
The utility model relates to a kind of reinforced concrete work grout sleeve, particularly bar connecting grout sleeve between prefabricated assembled concrete component.
Background technology
At present, the design of precast and assembled reinforced concrete structural system adopts equivalent cast-in-place method for designing, and this proposes very high requirement to the reliability of the bar connecting between prefabricated units, remains in following problem in construction:
1. the bar splicing adopted in traditional cast-in-place structural and welding connecting mode are not suitable for the technological requirement of prefabricated units assembling.
2. existing cast steel grout sleeve adopts precision casting process, and easily produce casting flaw, quality not easily ensures, and cost is high.
3. the grout sleeve processed of existing rod iron machine cut mode, cutwork amount is large, and cost is high.
4. the outer recessed interior fin grout sleeve of existing interval annular, working (machining) efficiency is low, and processing cost is high.
Utility model content
The purpose of this utility model is to provide a kind of steel reinforcement abutting joints with the concavo-convex rib of spirality and connects grout sleeve, solve the technical problem of bar connecting between prefabricated assembled concrete component; And solve the problem reducing costs, improve efficiency of construction, ensure quality of connection.
For achieving the above object, the utility model adopts following technical scheme:
A kind of steel reinforcement abutting joints with the concavo-convex rib of spirality connects grout sleeve, comprise seamless steel pipe, same lateral position at the two ends of seamless steel pipe respectively correspondence has injected hole and slurry outlet, the outer wall of described seamless steel pipe there is spiral groove, the inwall of seamless steel pipe has the spirality fin corresponding with spiral groove, the middle part of described seamless steel pipe is connected with the alignment pin inserting seamless steel pipe inside.
Described spiral groove and spirality fin continuous distributed are on seamless steel pipe or be distributed on seamless steel pipe.
The distance of adjacent spiral groove and spirality fin is equal or not etc.
Described seamless steel pipe is identical with the hand of spiral of spirality fin or contrary at the two-part spiral groove in alignment pin left and right.
One side ports or the both sides port of described seamless steel pipe are connected with rubber plug, and the middle position of described rubber plug has the through hole through connecting reinforcement.
The cross sectional shape of described spirality fin is rectangle, trapezoidal or circular arc.
Compared with prior art the utility model has following characteristics and beneficial effect:
The utility model overcomes conventional grout sleeve processed complex, efficiency is low, cost is high shortcoming, solves while ensureing bar connecting and reduces costs the technical problem of raising the efficiency.
The utility model adopts hot rolled seamless steel tube as grout sleeve main body, and reliability is high; The outer wall of hot rolled seamless steel tube processes spiral groove by rolling technology, the inwall of seamless steel pipe forms corresponding spirality fin, processing technology is simple, processing capacity is little, efficiency is high, eliminate the technique of cast steel casting and rod iron cutting, avoid the impact of casting flaw, save material, reduce cost; And cold presswork can improve the Anti-pull-press intensity of steel local, thus grout sleeve main body Anti-pull-press intensity is increased; Spiral groove and spirality fin improve the adhesion between seamless steel pipe outer wall inwall and concrete, ensure that the quality of connection between component; The hand of spiral of spiral groove and spirality fin and distribution situation all can need flexible design according to actual loading, to realize adhesion maximum between concrete, ensure quality of connection; The design of alignment pin, when facilitating prefabricated units joint connection in site, the insertion depth of control connection reinforcing bar, ensures that the two ends of seamless steel pipe all have the connecting reinforcement of sufficient size to insert, guarantees bar connecting quality.
The utility model is applicable to how high-rise prefabricated assembled concrete frame construction, shear wall structure and the Vertical bar connection of the precast concrete column in frame-shear-wall structure, the horizontal reinforcement of precast concrete beam and is connected and bar connecting in the Vertical bar connection of precast concrete shear wall and existing stabilization works.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the structural representation of the utility model embodiment two.
Fig. 3 is the structural representation of the utility model embodiment three.
Fig. 4 is the structural representation of the utility model embodiment four.
Fig. 5 is the cross-sectional view of the utility model seamless steel pipe in alignment pin position.
Reference numeral: 1-seamless steel pipe; 2-spiral groove; 3-spirality fin; 4-injected hole; 5-slurry outlet; 6-rubber plug; 7-alignment pin; 8-connecting reinforcement; 9-non-shrinkage cement mortar.
Detailed description of the invention
Embodiment one is shown in Figure 1, this steel reinforcement abutting joints with the concavo-convex rib of spirality connects grout sleeve, comprise seamless steel pipe 1, same lateral position at the two ends of seamless steel pipe respectively correspondence has injected hole 4 and slurry outlet 5, the outer wall of described seamless steel pipe 1 there is spiral groove 2, the inwall of seamless steel pipe 1 there is the spirality fin 3 corresponding with spiral groove 2, described spiral groove 2 and spirality fin 3 disconnect at the mid portion of seamless steel pipe 1, and adjacent spiral groove 2 is equal with the distance of spirality fin 3; Shown in Figure 5, the middle position, middle part of described seamless steel pipe 1 is connected with the alignment pin 7 inserting seamless steel pipe 1 inside; The both sides port of described seamless steel pipe is connected with rubber plug 6, and the middle position of described rubber plug 6 has the through hole through connecting reinforcement 8; The cross sectional shape of described spirality fin 3 is rectangle, trapezoidal or circular arc.
Embodiment two is shown in Figure 2, with embodiment one be distinguished as described spiral groove 2 and spirality fin 3 continuous distributed on seamless steel pipe 1, adjacent spiral groove 2 is equal with the distance of spirality fin 3.
Embodiment three is shown in Figure 3, with embodiment one be distinguished as described spiral groove 2 and spirality fin 3 even Disjunct distribution on seamless steel pipe 1, adjacent spiral groove 2 is equal with the distance of spirality fin 3.
Embodiment four is shown in Figure 4, with embodiment one be distinguished as described spiral groove 2 and the spirality fin 3 middle part Disjunct distribution at seamless steel pipe 1, adjacent spiral groove 2 and the distance of spirality fin 3 unequal.
In addition, described seamless steel pipe 1 is identical with the hand of spiral of spirality fin 3 or contrary, symmetrical or asymmetric with the spiral groove 2 on the alignment pin 7 left and right two parts that are boundary, can change flexibly according to on-the-spot actual needs.
Process of the present utility model, concrete steps are as follows:
Step one, according to the model of the diameter confirmed standard hot rolled seamless steel tube of connecting reinforcement, is processed to form spiral groove 2 and spirality fin 3 by whole finished product hot rolled seamless steel tube by rolling technology.
Step 2, according to length determination seamless steel pipe 1 Len req of connecting reinforcement 8, is cut into pieces the hot rolled seamless steel tube that whole processes.
Step 3, seamless steel pipe 1 is processed injected hole 4, slurry outlet 5, alignment pin 7 and rubber plug 6.
During use of the present utility model, grout sleeve is fixed in the template of prefabricated units, then prefabricated units concreting; Ready-made prefabricated units are transported to job site, temporary fixed after installation in position at the scene, then in the inner chamber of seamless steel pipe 1, fill non-shrinkage mud 9 by injected hole, make prefabricated units and anatomical connectivity for overall, complete whole construction.

Claims (6)

1. the steel reinforcement abutting joints with the concavo-convex rib of spirality connects grout sleeve, comprise seamless steel pipe (1), same lateral position at the two ends of seamless steel pipe respectively correspondence has injected hole (4) and slurry outlet (5), it is characterized in that: the outer wall of described seamless steel pipe (1) has spiral groove (2), the inwall of seamless steel pipe (1) has the spirality fin (3) corresponding with spiral groove (2), the middle part of described seamless steel pipe (1) is connected with inserts the inner alignment pin (7) of seamless steel pipe (1).
2. the steel reinforcement abutting joints with the concavo-convex rib of spirality according to claim 1 connects grout sleeve, it is characterized in that: described spiral groove (2) and spirality fin (3) continuous distributed are on seamless steel pipe (1) or be distributed on seamless steel pipe.
3. the steel reinforcement abutting joints with the concavo-convex rib of spirality according to claim 2 connects grout sleeve, it is characterized in that: adjacent spiral groove (2) and the distance of spirality fin (3) is not equal or not etc.
4. the steel reinforcement abutting joints with the concavo-convex rib of spirality according to claim 1 or 2 or 3 connects grout sleeve, it is characterized in that: described seamless steel pipe (1) is identical or contrary with the hand of spiral of spirality fin (3) in the two-part spiral groove in alignment pin (7) left and right (2).
5. the steel reinforcement abutting joints with the concavo-convex rib of spirality according to claim 1 connects grout sleeve, it is characterized in that: a side ports of described seamless steel pipe or both sides port are connected with rubber plug (6), the middle position of described rubber plug (6) has the through hole through connecting reinforcement (8).
6. the steel reinforcement abutting joints with the concavo-convex rib of spirality according to claim 1 connects grout sleeve, it is characterized in that: the cross sectional shape of described spirality fin (3) is rectangle, trapezoidal or circular arc.
CN201420543777.8U 2014-09-22 2014-09-22 A kind of steel reinforcement abutting joints with the concavo-convex rib of spirality connects grout sleeve CN204326248U (en)

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CN201420543777.8U CN204326248U (en) 2014-09-22 2014-09-22 A kind of steel reinforcement abutting joints with the concavo-convex rib of spirality connects grout sleeve

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Application Number Priority Date Filing Date Title
CN201420543777.8U CN204326248U (en) 2014-09-22 2014-09-22 A kind of steel reinforcement abutting joints with the concavo-convex rib of spirality connects grout sleeve

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CN204326248U true CN204326248U (en) 2015-05-13

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104818805A (en) * 2015-05-27 2015-08-05 杨文琳 Grouting sleeve with internal welded convex ribs for steel bar connection and manufacturing and using method thereof
CN107893508A (en) * 2017-11-10 2018-04-10 东莞理工学院 A kind of and prefabricated components grout sleeve of concrete compatible deformation
CN108643458A (en) * 2018-06-07 2018-10-12 德睿盛兴(大连)装配式建筑科技有限公司 A kind of grout sleeve
CN108643457A (en) * 2018-06-07 2018-10-12 德睿盛兴(大连)装配式建筑科技有限公司 A kind of grout sleeve processing unit (plant)
CN109629421A (en) * 2018-11-20 2019-04-16 同济大学 A kind of subsection beam construction method for adding steel pipe and horizontal distribution reinforcing bar

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104818805A (en) * 2015-05-27 2015-08-05 杨文琳 Grouting sleeve with internal welded convex ribs for steel bar connection and manufacturing and using method thereof
CN107893508A (en) * 2017-11-10 2018-04-10 东莞理工学院 A kind of and prefabricated components grout sleeve of concrete compatible deformation
CN108643458A (en) * 2018-06-07 2018-10-12 德睿盛兴(大连)装配式建筑科技有限公司 A kind of grout sleeve
CN108643457A (en) * 2018-06-07 2018-10-12 德睿盛兴(大连)装配式建筑科技有限公司 A kind of grout sleeve processing unit (plant)
CN109629421A (en) * 2018-11-20 2019-04-16 同济大学 A kind of subsection beam construction method for adding steel pipe and horizontal distribution reinforcing bar

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