CN204475676U - A kind of extruding half grouting reinforcement sleeve, its syndeton, apply the concrete component of this sleeve and the syndeton of concrete component - Google Patents
A kind of extruding half grouting reinforcement sleeve, its syndeton, apply the concrete component of this sleeve and the syndeton of concrete component Download PDFInfo
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- CN204475676U CN204475676U CN201420828827.7U CN201420828827U CN204475676U CN 204475676 U CN204475676 U CN 204475676U CN 201420828827 U CN201420828827 U CN 201420828827U CN 204475676 U CN204475676 U CN 204475676U
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Abstract
A kind of extruding half grouting reinforcement sleeve and syndeton thereof, described sleeve is hot rolled seamless steel tube, the barrel of sleeve has injected hole and slurry outlet and the annular inwardly projecting that distributes between injected hole and slurry outlet, one end of described sleeve is pressed end, remainder is slurry anchor end, the internal diameter of described pressed end equals the external diameter of connected reinforcing bar, is less than the internal diameter of slurry anchor end, and described injected hole, slurry outlet and annular inwardly projecting are all positioned at slurry anchor end.The connection that the utility model utilizes half grouting reinforcement sleeve to carry out between reinforcing bar, the one end portion of sleeve adopts squeeze flow technique and bar connecting, another part still to adopt grouting way to continue the connection of sleeve and reinforcing bar, can be widely used in the bar connecting of the precast concrete column in how high-rise prefabricated assembled concrete frame construction, shear wall structure or frame-shear-wall structure, and the horizontal reinforcement of precast concrete beam connects and bar connecting in the bar connecting of precast concrete shear wall and existing stabilization works.
Description
Technical field
The utility model relates to a kind of grout sleeve and syndeton thereof.
Background technology
At present, in precast and assembled reinforced concrete structural system, adopt is equal to cast-in-place method for designing more, and this proposes very high requirement to the reliability of the bar connecting between prefabricated units, meanwhile, in this system, also there is following problem:
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, 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 existing full grout sleeve by manufacturing finished product seamless steel pipe rolling technology, although processing cost is not high, sleeve dimensions is long, causes reinforcing bar encrypted area scope around connected node large; The annular inwardly projecting quantity of roll forming is many, and working (machining) efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of extruding half grouting reinforcement sleeve, its syndeton, applies the concrete component of this sleeve and the syndeton of concrete component, solve that existing grout sleeve working (machining) efficiency is low, the technical problem of complex process; And solve the problem improving bar connecting reliability.
For achieving the above object, the utility model adopts following technical scheme:
A kind of extruding half grouting reinforcement sleeve, described sleeve is hot rolled seamless steel tube, the barrel of sleeve has injected hole and slurry outlet and the annular inwardly projecting that distributes between injected hole and slurry outlet, one end of described sleeve is pressed end, remainder is slurry anchor end, the internal diameter of described pressed end equals the external diameter of connected reinforcing bar, is less than the internal diameter of slurry anchor end, and described injected hole, slurry outlet and annular inwardly projecting are all positioned at slurry anchor end.
Described annular inwardly projecting is uniform intervals distribution or unevenly spaced distribution.
Described annular inwardly projecting is the single annular or continuous print spirality of being interrupted.
A kind of steel bar connecting structure applying described extruding half grouting reinforcement sleeve, by sleeve, two connecting reinforcements are docked, the pressed end of described sleeve crimp with the pressed end connecting reinforcement inserting pressed end and is connected, and the slurry anchor end connecting reinforcement that anchor end is starched in the slurry anchor end of sleeve and insertion is in the milk to build by ungauged regions high-strength cement mortar and is integrated.
A kind of concrete component applying described extruding half grouting reinforcement sleeve, the inside of described concrete component is embedded with sleeve and pressed end connecting reinforcement, and concrete component leaving the slip casting passage of injected hole and slurry outlet and the interface channel of slurry anchor end, the pressed end of described sleeve crimps with the pressed end connecting reinforcement inserting pressed end and is connected.
As described in the syndeton of concrete component, the slurry anchor end of described concrete component inner sleeve is in the milk to build by ungauged regions high-strength cement mortar with slurry anchor end connecting reinforcement and is integrated.
Compared with prior art the utility model has following characteristics and beneficial effect:
The utility model overcomes traditional straight screw sleeve connection complex process, inefficient shortcoming, solves the connected mode simplifying reinforced bar sleeve, the technical problem of raising the efficiency, ensureing connection reliability.
The connection that the utility model utilizes half grouting reinforcement sleeve to carry out between reinforcing bar, the one end portion of sleeve adopts squeeze flow technique and bar connecting, another part still to adopt grouting way to continue the connection of sleeve and reinforcing bar, avoid the defect that full grouting hot rolled seamless steel tube roll extrusion sleeve dimensions is long, also have the following advantages simultaneously:
1, the utility model middle sleeve does not need connect alignment pin, avoid the drawback that alignment pin weakens sleeve strength;
2, compared with the hot rolled seamless steel tube roll extrusion sleeve that is entirely in the milk, because sleeve has half part and pressed splice, so do not need machining screw on sleeve outer wall, rolling and processing one half-thread can be lacked, decrease workload, improve operating efficiency, also save shutoff rubber stopper simultaneously, save cost;
3, sleeve and reinforcing bar adopt squeeze flow, connected mode reliable, owing to mutually extruding between sleeve and reinforcing bar, its contact closely, in precast concrete casting process, there will not be the phenomenon of spillage in sleeve, decrease hidden danger, ensure that efficiency and quality.
The connected mode of sleeve of the present utility model and reinforcing bar, compared with other bar connecting mode in existing concrete component, has that reliability is high, technique simple, and the feature that cost is low, its easy construction easily operates, and ensure that efficiency of construction and construction quality.
The utility model can be widely used in the bar connecting of the precast concrete column in how high-rise prefabricated assembled concrete frame construction, shear wall structure or frame-shear-wall structure, and the horizontal reinforcement of precast concrete beam connects and bar connecting in the bar connecting 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 syndeton schematic diagram of the present utility model.
Fig. 2 is the structural representation of construction method step three of the present utility model.
Fig. 3 is the structural representation of construction method step four of the present utility model.
Fig. 4 is the structural representation of construction method step seven of the present utility model.
Fig. 5 is the structural representation of construction method step nine of the present utility model.
Fig. 6 is the A-A cross-sectional view of Fig. 5.
Reference numeral: 1-sleeve, 2-annular inwardly projecting, 3-injected hole, 4-slurry outlet, 5-pressed end connecting reinforcement, 6-pressed end, 7-starch anchor end connecting reinforcement, 8-ungauged regions high-strength cement mortar, 9-slurry anchor end, 10-concrete component.
Detailed description of the invention
Embodiment is shown in Figure 3, this extruding half grouting reinforcement sleeve, described sleeve 1 is processed by hot rolled seamless steel tube, the barrel of sleeve has injected hole 3 and slurry outlet 4, and the annular inwardly projecting 2 that distributes between injected hole 3 and slurry outlet 4, described annular inwardly projecting 2 is single annulars of uniform intervals distribution, three axle roll extrusion can be passed through, rolling or other cold and hot working processes form, one end of described sleeve 1 is pressed end 6, remainder is slurry anchor end 9, the internal diameter of described pressed end 6 equals the external diameter of connected reinforcing bar, be less than the internal diameter of slurry anchor end 9, the length of described pressed end 6 meets the equicohesive requirement of squeezed joint, the length of described slurry anchor end 9 meets the equicohesive requirement of reinforcing bar grout sleeve jointing, described injected hole 3, slurry outlet 4 and annular inwardly projecting 2 are all positioned at slurry anchor end 9, and injected hole 3 and slurry outlet 4 respectively correspondence be positioned at slurry position, anchor end 9 homonymy two.
Shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, described extruding half grouting reinforcement sleeve can realize steel reinforcement abutting joints, the pressed end 6 of described sleeve 1 is processed to form squeeze flow node with the pressed end connecting reinforcement 5 inserting pressed end by cold-extrusion technology, the slurry anchor end 9 of sleeve 1 with insert the slurry anchor end connecting reinforcement 7 starching anchor end and be in the milk to build by ungauged regions high-strength cement mortar 8 and be integrated.
Shown in Figure 1, described extruding half grouting reinforcement sleeve can also realize the connection of concrete component, the pressed end 6 of described sleeve 1 is processed to form squeeze flow node with the pressed end connecting reinforcement 5 inserting pressed end by cold-extrusion technology, sleeve 1 and pressed end connecting reinforcement 5 are cast in advance the inside of concrete component 10, and concrete component 10 leaves the slip casting passage of injected hole 3 and slurry outlet 4 and the interface channel of slurry anchor end 9, the slurry anchor end connecting reinforcement 7 reserved in slurry anchor end 9 and scene by ungauged regions high-strength cement mortar 8 is built by grouting and is integrated, realize the joint connection in site of concrete component.
The construction method that described concrete component connects, concrete steps are as follows:
Step one, cuts into sleeve Len req by hot rolled seamless steel tube according to the model specification of the diameter determination sleeve pipe hot rolled seamless steel tube used of connecting reinforcement.
Step 2, the wall of the slurry anchor end 9 of sleeve 1 processes annular inwardly projecting 2, injected hole 3 and slurry outlet 4.
Step 3, inserts the pressed end 6 of sleeve by pressed end connecting reinforcement 5.
Step 4, is closely crimped together by the pressed end 6 of extrusion equipment by pressed end connecting reinforcement 5 and sleeve.
Step 5, is cast in the pressed end 6 of the pressed end connecting reinforcement 5 connected and sleeve in concrete component 10, and on concrete component, reserves the grouting channel of injected hole 3 and slurry outlet 4.
Step 6, is transported to job site by prefabricated concrete component 10, carries out in-site installation.
Step 7, the slurry anchor end connecting reinforcement 7 reserved at scene inserts the slurry anchor end 9 of sleeve.
Step 8, injects ungauged regions high-strength cement mortar 8 by injected hole 3 in slurry anchor end 9 internal cavities of sleeve, treats that slurry outlet 4 has slurries to emerge and namely stops slip casting.
Step 9, after ungauged regions high-strength cement mortar 8 condensation reaches design strength, completes the connection construction of concrete component.
After concrete component connection construction completes, subsequent construction can be carried out according to concrete agent structure, the building of such as concrete floor, concrete beam the construction such as to build, its construction method is consistent with existing construction method.
Claims (6)
1. an extruding half grouting reinforcement sleeve, described sleeve (1) is hot rolled seamless steel tube, the barrel of sleeve has injected hole (3) and slurry outlet (4) and the annular inwardly projecting (2) that distributes between injected hole (3) and slurry outlet (4), it is characterized in that: one end of described sleeve (1) is pressed end (6), remainder is slurry anchor end (9), the internal diameter of described pressed end (6) equals the external diameter of connected reinforcing bar, is less than the internal diameter of slurry anchor end (9), and described injected hole (3), slurry outlet (4) and annular inwardly projecting (2) are all positioned at slurry anchor end (9).
2. extruding half grouting reinforcement sleeve according to claim 1, is characterized in that: described annular inwardly projecting (2) is uniform intervals distribution or unevenly spaced distribution.
3. extruding half grouting reinforcement sleeve according to claim 1, is characterized in that: described annular inwardly projecting (2) is the single annular or continuous print spirality of being interrupted.
4. the syndeton of the extruding half grouting reinforcement sleeve of an application rights requirement described in 1 to 3 any one, by sleeve (1), two connecting reinforcements are docked, it is characterized in that: the pressed end (6) of described sleeve (1) crimp with the pressed end connecting reinforcement (5) inserting pressed end and is connected, slurry anchor end connecting reinforcement (7) that anchor end is starched in the slurry anchor end (9) of sleeve (1) and insertion is in the milk to build by ungauged regions high-strength cement mortar (8) and is integrated.
5. the concrete component of the extruding half grouting reinforcement sleeve of an application rights requirement described in 1 to 3 any one, it is characterized in that: the inside of described concrete component (10) is embedded with sleeve (1) and pressed end connecting reinforcement (5), and concrete component leaving the slip casting passage of injected hole (3) and slurry outlet (4) and the interface channel of slurry anchor end (9), the pressed end (6) of described sleeve (1) crimps with the pressed end connecting reinforcement (5) inserting pressed end and is connected.
6. application rights requires a syndeton for the concrete component described in 5, it is characterized in that: the slurry anchor end (9) of described concrete component (10) inner sleeve is in the milk to build by ungauged regions high-strength cement mortar (8) with slurry anchor end connecting reinforcement (7) and is integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828827.7U CN204475676U (en) | 2014-12-24 | 2014-12-24 | A kind of extruding half grouting reinforcement sleeve, its syndeton, apply the concrete component of this sleeve and the syndeton of concrete component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828827.7U CN204475676U (en) | 2014-12-24 | 2014-12-24 | A kind of extruding half grouting reinforcement sleeve, its syndeton, apply the concrete component of this sleeve and the syndeton of concrete component |
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| Publication Number | Publication Date |
|---|---|
| CN204475676U true CN204475676U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420828827.7U Expired - Fee Related CN204475676U (en) | 2014-12-24 | 2014-12-24 | A kind of extruding half grouting reinforcement sleeve, its syndeton, apply the concrete component of this sleeve and the syndeton of concrete component |
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| CN (1) | CN204475676U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563397A (en) * | 2014-12-24 | 2015-04-29 | 中国建筑股份有限公司 | Extrusion semi-grouting reinforcement sleeve, connecting structure and construction method thereof |
| CN107100290A (en) * | 2017-04-28 | 2017-08-29 | 广东省建科建筑设计院有限公司 | A kind of prefabricated shear wall and overlapping plate node |
| CN108978889A (en) * | 2018-09-19 | 2018-12-11 | 安徽建筑大学 | The novel prefabricated beam-column connection of one kind and connection method |
| CN109898752A (en) * | 2019-04-24 | 2019-06-18 | 郑州大学 | Half grout sleeve and preparation method thereof |
| CN110485647A (en) * | 2018-07-23 | 2019-11-22 | 李藏柱 | Sleeve, prefabricated components connector, prefabricated components and prefabricated components assembly |
-
2014
- 2014-12-24 CN CN201420828827.7U patent/CN204475676U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563397A (en) * | 2014-12-24 | 2015-04-29 | 中国建筑股份有限公司 | Extrusion semi-grouting reinforcement sleeve, connecting structure and construction method thereof |
| CN107100290A (en) * | 2017-04-28 | 2017-08-29 | 广东省建科建筑设计院有限公司 | A kind of prefabricated shear wall and overlapping plate node |
| CN110485647A (en) * | 2018-07-23 | 2019-11-22 | 李藏柱 | Sleeve, prefabricated components connector, prefabricated components and prefabricated components assembly |
| CN108978889A (en) * | 2018-09-19 | 2018-12-11 | 安徽建筑大学 | The novel prefabricated beam-column connection of one kind and connection method |
| CN109898752A (en) * | 2019-04-24 | 2019-06-18 | 郑州大学 | Half grout sleeve and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20201224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |