CN113565266A - Double-row grouting sleeve structure and assembly type prefabricated part - Google Patents
Double-row grouting sleeve structure and assembly type prefabricated part Download PDFInfo
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- CN113565266A CN113565266A CN202110686167.8A CN202110686167A CN113565266A CN 113565266 A CN113565266 A CN 113565266A CN 202110686167 A CN202110686167 A CN 202110686167A CN 113565266 A CN113565266 A CN 113565266A
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- 239000011440 grout Substances 0.000 claims abstract description 69
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 5
- 230000003014 reinforcing effect Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- 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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention belongs to the technical field of building structures, and particularly relates to a double-row grouting sleeve structure and an assembly type prefabricated part. The double-row grouting sleeve structure comprises a first sleeve, a second sleeve, a first connecting pipe and a second connecting pipe, wherein the first sleeve is provided with a first steel bar connecting hole, a first grouting hole, a first grout outlet, a first connecting hole and a second connecting hole; the second sleeve is provided with a second steel bar connecting hole, a second grouting hole, a second grout outlet, a third connecting hole and a fourth connecting hole, the second grouting hole and the third connecting hole are arranged in a radial and positive correspondence mode, and the second grout outlet and the fourth connecting hole are arranged in a radial and positive correspondence mode. The double-row grouting sleeve of the # -shaped structure realizes the increase of transverse stress and the enhancement of longitudinal stress, does not need to replace reinforcing steel bars, and can ensure that the connection between prefabricated parts is more compact and stable.
Description
Technical Field
The invention belongs to the technical field of building structures, and particularly relates to a double-row grouting sleeve structure and an assembly type prefabricated part.
Background
With the vigorous development of the assembly type industry and the blowout type development of the assembly type industry in China, the prefabricated columns and the shear walls are frequently applied in projects, and the problem of connection between the prefabricated columns and the prefabricated columns or between the shear walls and the shear walls becomes a serious difficulty.
In the prior art, the prefabricated columns and the prefabricated columns or the shear walls are fixed by inserting exposed steel bars and filling grouting materials, and then the technology has the following defects: firstly, the connected steel bars need large-diameter steel bars, and the original steel bars in the prefabricated column or the shear wall need to be replaced when the diameter of the original steel bars is smaller; secondly, a single-row sleeve is adopted between the prefabricated column and the prefabricated column or between the shear wall and the shear wall, and the single side is stressed longitudinally and unevenly, so that the up-down connection integrity of the component is possibly poor; and thirdly, air bubbles and hollows are easy to appear in grouting, so that concrete in the inner cavity of the sleeve is not compact.
Disclosure of Invention
The invention aims to provide a double-row grouting sleeve structure and an assembly type prefabricated part, and aims to solve the technical problem that in the prior art, the connection between prefabricated parts is poor in connection quality due to the fact that only one-way stress exists.
In order to achieve the above object, an embodiment of the present invention provides a double-row grouting sleeve structure, including:
the grouting device comprises a first sleeve, a second sleeve and a third sleeve, wherein a first steel bar connecting hole is formed in the first sleeve in a penetrating mode along the axial direction of the first sleeve, a first grouting hole, a first slurry outlet hole, a first connecting hole and a second connecting hole which are communicated with the first steel bar connecting hole are formed in the peripheral side of the first sleeve, the first grouting hole and the first connecting hole are arranged in a positive corresponding mode along the radial direction of the first sleeve, and the first slurry outlet hole and the second connecting hole are arranged in a positive corresponding mode along the radial direction of the first sleeve;
the second sleeve is provided with a through second steel bar connecting hole along the axial direction of the second sleeve, a second grouting hole, a second grout outlet, a third connecting hole and a fourth connecting hole which are all communicated with the second steel bar connecting hole are arranged on the peripheral side of the second sleeve, the second grouting hole and the third connecting hole are arranged in a positive corresponding mode along the radial direction of the second sleeve, and the second grout outlet and the fourth connecting hole are arranged in a positive corresponding mode along the radial direction of the second sleeve;
the two ends of the first connecting pipe are fixedly connected with the first connecting hole and the third connecting hole respectively, and the two ends of the second connecting pipe are fixedly connected with the second connecting hole and the fourth connecting hole respectively.
Optionally, the first connection hole and the second connection hole are both provided with internal threads, both ends of the first connection pipe are both provided with external threads, and both ends of the first connection pipe are respectively in threaded connection with the first connection hole and the second connection hole.
Optionally, the third connecting hole and the fourth connecting hole are both provided with internal threads, both ends of the second connecting pipe are both provided with external threads, and both ends of the second connecting pipe are respectively in threaded connection with the third connecting hole and the fourth connecting hole.
Optionally, the first grouting hole, the first grout outlet, the second grouting hole and the second grout outlet are provided with internal threads for being in threaded connection with a corrugated pipe.
Optionally, the aperture of the first grouting hole is larger than that of the first grout outlet, and the aperture of the second grouting hole is larger than that of the second grout outlet.
Optionally, four first pipe connection portions extending in the radial direction are arranged on the periphery of the first sleeve, the positions of the four first pipe connection portions respectively face the first grouting hole, the first grout outlet hole, the first connection hole and the second connection hole, and the first grouting hole, the first grout outlet hole, the first connection hole and the second connection hole respectively extend into the corresponding first pipe connection portions;
the periphery of the second sleeve is provided with four second pipe connection portions extending along the radial direction, the positions of the four second pipe connection portions are respectively opposite to the second grouting hole, the second grout outlet hole, the third connecting hole and the fourth connecting hole, and the second grouting hole, the second grout outlet hole, the third connecting hole and the fourth connecting hole respectively extend into the corresponding second pipe connection portions.
Optionally, an included angle formed between the axis of the first pulp outlet and the second connecting pipe is 15 °, and an included angle formed between the axis of the second pulp outlet and the second connecting pipe is 15 °.
One or more technical schemes in the double-row grouting sleeve structure provided by the embodiment of the invention at least have one of the following technical effects: according to the double-row grouting sleeve structure of the # -shaped structure formed by the first sleeve, the second sleeve, the first connecting pipe and the second connecting pipe, when the double-row grouting sleeve structure is applied to a prefabricated part, the steel bars connected with one end of the first steel bar connecting hole and one end of the second steel bar connecting hole extend out of one end of the prefabricated part, the other end of the first steel bar connecting hole and the other end of the second steel bar connecting hole are exposed to allow the exposed steel bars of the other prefabricated part to be inserted into, so that the two adjacent prefabricated parts are spliced initially, then slurry is poured into the first grouting hole and the second grouting hole, sufficient slurry is ensured to be filled into the first steel bar connecting hole and the second steel bar connecting hole, part of the slurry is discharged from the first grout outlet hole and the second grout outlet hole, bubbles and hollowing in the first steel bar connecting hole and the second steel bar connecting hole in the grouting process can be effectively avoided, and finally the slurry is hardened to enable the steel bars inserted into the first steel bar connecting hole and the second steel bar connecting hole to be stably connected Thus, the connection between the prefabricated parts is realized. And, the double grout sleeve structure of groined type structure realizes the increase of horizontal atress and the enhancement of vertical atress, even the diameter of reinforcing bar is less also need not to replace the reinforcing bar for the connection between the prefabricated component is inseparabler and firm.
The assembly type prefabricated part comprises at least two prefabricated parts, wherein the double-row grouting sleeve structure is arranged in each prefabricated part, and the first steel bar connecting hole and the second steel bar connecting hole are connected with steel bars extending out of the prefabricated parts;
in two adjacent prefabricated components, two exposed reinforcing steel bars of one prefabricated component are respectively inserted into the first reinforcing steel bar connecting hole and the second reinforcing steel bar connecting hole of the other prefabricated component;
and grouting slurry into the first grouting hole and the second grouting hole to stabilize the reinforcing steel bars in the first grouting hole and the second grouting hole, so that the adjacent prefabricated components are fixedly connected.
One or more technical solutions in the prefabricated components provided by the embodiment of the present invention at least have one of the following technical effects: according to the assembly type prefabricated part, due to the fact that the double-row grouting sleeve structure is used, transverse stress is increased and longitudinal stress is enhanced through the double-row grouting sleeve structure in the cross-shaped structure, replacement of reinforcing steel bars is not needed even if the diameter of the reinforcing steel bars is small, and connection between the prefabricated parts is tight and stable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a double-row grouting sleeve structure according to an embodiment of the present invention.
Fig. 2 is a sectional view of the double row grout sleeve structure of fig. 1.
Fig. 3 is an exploded view of a double-row grouting sleeve structure according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a single prefabricated part of the prefabricated parts according to the embodiment of the present invention.
Fig. 5 is an exploded view of a single prefabricated part of the prefabricated parts according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-first sleeve 11-first reinforcing steel bar connecting hole 12-first grouting hole
13-first grout outlet 14-first connecting hole 15-second connecting hole
16-first pipe connection part 20-second sleeve 21-second steel bar connecting hole
22-second grouting hole 23-second grout outlet hole 24-third connecting hole
25-fourth connection hole 26-second connection portion 30-first connection pipe
40-second connecting pipe 100-prefabricated component 200-reinforcing bar.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-5 are exemplary and intended to be used to illustrate embodiments of the invention, and should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In one embodiment of the present invention, as shown in fig. 1 to 2, a double-row grouting sleeve structure is provided, which includes a first sleeve 10, a second sleeve 20, a first connection pipe 30 and a second connection pipe 40.
As shown in fig. 2, a first sleeve 10 is provided with a first through reinforcing steel bar connecting hole 11 along an axial direction thereof, a first grouting hole 12, a first grout outlet hole 13, a first connecting hole 14 and a second connecting hole 15 which are all communicated with the first reinforcing steel bar connecting hole 11 are arranged on the peripheral side of the first sleeve 10, the first grouting hole 12 and the first connecting hole 14 are arranged along a radial direction of the first sleeve 10 in a positive correspondence manner, and the first grout outlet hole 13 and the second connecting hole 15 are arranged along a radial direction of the first sleeve 10 in a positive correspondence manner.
Similarly, as shown in fig. 2, a second sleeve 20 is provided with a through second reinforcing steel bar connecting hole 21 along an axial direction thereof, a second grouting hole 22, a second grout outlet hole 23, a third connecting hole 24 and a fourth connecting hole 25 which are all communicated with the second reinforcing steel bar connecting hole 21 are arranged on the peripheral side of the second sleeve 20, the second grouting hole 22 and the third connecting hole 24 are arranged along a radial direction of the second sleeve 20 in a positive correspondence manner, and the second grout outlet hole 23 and the fourth connecting hole 25 are arranged along a radial direction of the second sleeve 20 in a positive correspondence manner.
Further, as shown in fig. 2, both ends of the first connection pipe 30 are fixedly connected to the first connection hole 14 and the third connection hole 24, respectively, and both ends of the second connection pipe 40 are fixedly connected to the second connection hole 15 and the fourth connection hole 25, respectively.
Referring to fig. 4 to 5, in the embodiment of the present invention, when the double-row grouting sleeve structure of the # -shaped structure is applied to a prefabricated component 100, the steel bars 200 connected to one ends of the first steel bar connecting hole 11 and the second steel bar connecting hole 21 extend out of one end of the prefabricated component 100, and the other ends of the first steel bar connecting hole 11 and the second steel bar connecting hole 21 are exposed for inserting the exposed steel bar 200 of another prefabricated component 100, so as to realize the preliminary splicing of two adjacent prefabricated components 100, and then grout is poured through the first grouting hole 12 and the second grouting hole 22, and it is ensured that sufficient grout is filled in the first steel bar connecting hole 11 and the second steel bar connecting hole 21, and part of the grout is discharged from the first grout outlet hole 13 and the second grout outlet hole 23, so that air bubbles and hollows can be effectively prevented from occurring in the first steel bar connecting hole 11 and the second steel bar connecting hole 21 during grouting, finally, the hardening of the grout enables the reinforcing bars 200 inserted into the first and second reinforcing bar coupling holes 11 and 21 to be stably coupled, thus accomplishing the coupling between the prefabricated parts 100. And, the double-row grout sleeve structure of well style of calligraphy structure realizes the increase of horizontal atress and the enhancement of vertical atress, even the diameter of reinforcing bar 200 is less need not replace reinforcing bar 200 for the connection between prefabricated component 100 is inseparabler and firm.
Further, for example, in the prefabricated component 100 of frame post and shear force wall, use foretell double grout sleeve structure, it is less to reach the equipment error, form the state of even atress, the stirrup in sleeve structure region can better ligature, can all be in the grout at grout in-process both ends, two sleeves of effective connection are whole, the concrete connection is inseparable, increase horizontal atress, can effectually reduce grout interference, effectively avoid leaking the stifled thick liquid condition of thick liquid, use in dark post and interior wall and can adopt the original structure arrangement of reinforcement, need not to adopt reinforcing bar 200 to replace, and the cost is saved, can effectual bubble and the hollowing in the reduction sleeve.
In another embodiment of the present invention, as shown in fig. 2, the first connection hole 14 and the second connection hole 15 are both provided with internal threads, both ends of the first connection pipe 30 are both provided with external threads, and both ends of the first connection pipe 30 are respectively in threaded connection with the first connection hole 14 and the second connection hole 15. Specifically, external threads can be turned at two ends of the first connecting pipe 30, so that two ends of the first connecting pipe 30 can be respectively connected with the internal threads arranged at the first connecting hole 14 and the second connecting hole 15 in a threaded manner, the assembly is convenient, and the stability is high after the connection.
In an embodiment of the present invention, as shown in fig. 2, the third connection hole 24 and the fourth connection hole 25 are both provided with internal threads, both ends of the second connection pipe 40 are both provided with external threads, and both ends of the second connection pipe 40 are respectively in threaded connection with the third connection hole 24 and the fourth connection hole 25. Specifically, external threads can be turned at two ends of the second connecting pipe 40, so that two ends of the second connecting pipe 40 can be respectively connected with the internal threads arranged at the third connecting hole 24 and the fourth connecting hole 25 in a threaded manner, the assembly is convenient, and the stability is high after the connection.
In an embodiment of the present invention, as shown in fig. 2, internal threads for connecting with a corrugated pipe thread are disposed at the first grouting hole 12, the first grout outlet hole 13, the second grouting hole 22 and the second grout outlet hole 23. Specifically, when grouting and discharging, the corresponding corrugated pipes are connected with the first grouting hole 12, the first grout outlet hole 13, the second grouting hole 22 and the second grout outlet thread, so that the connection positions can be kept stable, and the occurrence of a grout leakage phenomenon is reduced.
In one embodiment of the present invention, as shown in fig. 2, the aperture of the first grouting hole 12 is larger than that of the first grout outlet 13, and the aperture of the second grouting hole 22 is larger than that of the second grout outlet 23. Specifically, the aperture of the first grouting hole 12 and the aperture of the second grouting hole 22 are designed to be larger, so that the grouting speed is promoted, the aperture of the first grout outlet 13 and the aperture of the second grout outlet 23 are designed to be smaller, the filling of the grout in the connecting space between the first steel bar connecting hole 11 and the second steel bar 200 is facilitated, and bubbles and hollows are reduced.
In an embodiment of the present invention, as shown in fig. 2, four first pipe connection portions 16 extending in a radial direction are disposed on a peripheral side of the first sleeve 10, the four first pipe connection portions 16 are respectively located opposite to the first grouting hole 12, the first grout outlet 13, the first connection hole 14 and the second connection hole 15, and the first grouting hole 12, the first grout outlet 13, the first connection hole 14 and the second connection hole 15 respectively extend into the corresponding first pipe connection portions 16. Four second pipe connection portions 26 extending in the radial direction are arranged on the periphery of the second sleeve 20, the positions of the four second pipe connection portions 26 respectively face the second grouting hole 22, the second grout outlet hole 23, the third connection hole 24 and the fourth connection hole 25, and the second grouting hole 22, the second grout outlet hole 23, the third connection hole 24 and the fourth connection hole 25 respectively extend into the corresponding second pipe connection portions 26. Specifically, the first pipe connection part 16 and the second pipe connection part 26 are arranged to make the connection of the first connection pipe 30 and the second connection pipe 40 more stable, and when the first connection pipe 30 is inserted into the first connection hole 14 and the third connection hole 24, two ends of the first connection pipe 30 and the corresponding first pipe connection part 16 and second pipe connection part 26 form an overlapped insertion structure, which facilitates the connection and fixation of the first connection pipe 30 and the first sleeve 10 and the second sleeve 20; similarly, when the second connection pipe 40 is inserted into the second connection hole 15 and the fourth connection hole 25, two ends of the second connection pipe 40 and the corresponding second connection portion 26 and fourth connection portion form an overlapped insertion structure, which is beneficial to the connection and fixation of the second connection pipe 40 and the first sleeve 10 and the second sleeve 20.
In an embodiment of the present invention, an included angle formed between the axis of the first slurry outlet 13 and the second connecting pipe 40 is 15 °, and an included angle formed between the axis of the second slurry outlet 23 and the second connecting pipe 40 is 15 °. Specifically, the first grout outlet 13 and the second grout outlet 23 form an angle of 15 degrees, so that grouting of the first grout outlet and the second grout outlet is facilitated.
Referring to fig. 1 to 5, an assembled prefabricated component according to another embodiment of the present invention includes at least two prefabricated components 100, the double-row grouting sleeve structure is disposed in each prefabricated component 100, and the first reinforcing steel bar connecting hole 11 and the second reinforcing steel bar connecting hole 21 are connected to reinforcing steel bars 200 extending to be exposed outside the prefabricated components 100. In two adjacent prefabricated parts 100, two reinforcing steel bars 200 exposed out of one prefabricated part 100 are respectively inserted into the first reinforcing steel bar connecting hole 11 and the second reinforcing steel bar connecting hole 21 in the other prefabricated part 100. The reinforcing steel bars 200 in the first grouting hole 12 and the second grouting hole 22 are stabilized by grouting grout into the first grouting hole 12 and the second grouting hole 22, so that the adjacent prefabricated parts 100 are fixedly connected.
Specifically, the fabricated prefabricated part of the present invention, due to the use of the above-mentioned double-row grouting sleeve structure, realizes the increase of the transverse stress and the reinforcement of the longitudinal stress of the double-row grouting sleeve structure of the # -shaped structure, and does not need to replace the reinforcing steel bars 200 even if the diameter of the reinforcing steel bars 200 is small, so that the connection between the prefabricated parts 100 is tighter and more stable.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a double grout sleeve structure which characterized in that: the method comprises the following steps:
the grouting device comprises a first sleeve, a second sleeve and a third sleeve, wherein a first steel bar connecting hole is formed in the first sleeve in a penetrating mode along the axial direction of the first sleeve, a first grouting hole, a first slurry outlet hole, a first connecting hole and a second connecting hole which are communicated with the first steel bar connecting hole are formed in the peripheral side of the first sleeve, the first grouting hole and the first connecting hole are arranged in a positive corresponding mode along the radial direction of the first sleeve, and the first slurry outlet hole and the second connecting hole are arranged in a positive corresponding mode along the radial direction of the first sleeve;
the second sleeve is provided with a through second steel bar connecting hole along the axial direction of the second sleeve, a second grouting hole, a second grout outlet, a third connecting hole and a fourth connecting hole which are all communicated with the second steel bar connecting hole are arranged on the peripheral side of the second sleeve, the second grouting hole and the third connecting hole are arranged in a positive corresponding mode along the radial direction of the second sleeve, and the second grout outlet and the fourth connecting hole are arranged in a positive corresponding mode along the radial direction of the second sleeve;
the two ends of the first connecting pipe are fixedly connected with the first connecting hole and the third connecting hole respectively, and the two ends of the second connecting pipe are fixedly connected with the second connecting hole and the fourth connecting hole respectively.
2. The dual row grout sleeve structure of claim 1, wherein: the first connecting hole and the second connecting hole are provided with internal threads, external threads are arranged at two ends of the first connecting pipe, and two ends of the first connecting pipe are in threaded connection with the first connecting hole and the second connecting hole respectively.
3. The dual row grout sleeve structure of claim 1, wherein: the third connecting hole and the fourth connecting hole are both provided with internal threads, the two ends of the second connecting pipe are both provided with external threads, and the two ends of the second connecting pipe are respectively in threaded connection with the third connecting hole and the fourth connecting hole.
4. The dual row grout sleeve structure of claim 1, wherein: the first grouting hole, the first grout outlet, the second grouting hole and the second grout outlet are provided with internal threads which are used for being in threaded connection with a corrugated pipe.
5. The dual row grout sleeve structure of claim 1, wherein: the aperture of the first grouting hole is larger than that of the first grout outlet, and the aperture of the second grouting hole is larger than that of the second grout outlet.
6. The dual row grout sleeve structure of claim 1, wherein: four first pipe connection parts extending along the radial direction are arranged on the periphery of the first sleeve, the positions of the four first pipe connection parts are respectively opposite to the first grouting hole, the first grout outlet hole, the first connecting hole and the second connecting hole, and the first grouting hole, the first grout outlet hole, the first connecting hole and the second connecting hole respectively extend into the corresponding first pipe connection parts;
the periphery of the second sleeve is provided with four second pipe connection portions extending along the radial direction, the positions of the four second pipe connection portions are respectively opposite to the second grouting hole, the second grout outlet hole, the third connecting hole and the fourth connecting hole, and the second grouting hole, the second grout outlet hole, the third connecting hole and the fourth connecting hole respectively extend into the corresponding second pipe connection portions.
7. The double row grouting sleeve structure as claimed in any one of claims 1 to 6, wherein: the axis of the first slurry outlet hole and the included angle formed between the second connecting pipes are 15 degrees, and the axis of the second slurry outlet hole and the included angle formed between the second connecting pipes are 15 degrees.
8. An assembled prefabricated component, comprising at least two prefabricated components, characterized in that: the double-row grouting sleeve structure as claimed in any one of claims 1 to 7 is arranged in each prefabricated part, and the first steel bar connecting hole and the second steel bar connecting hole are connected with steel bars extending out of the prefabricated part;
in two adjacent prefabricated components, two exposed reinforcing steel bars of one prefabricated component are respectively inserted into the first reinforcing steel bar connecting hole and the second reinforcing steel bar connecting hole of the other prefabricated component;
and grouting slurry into the first grouting hole and the second grouting hole to stabilize the reinforcing steel bars in the first grouting hole and the second grouting hole, so that the adjacent prefabricated components are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110686167.8A CN113565266A (en) | 2021-06-21 | 2021-06-21 | Double-row grouting sleeve structure and assembly type prefabricated part |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110686167.8A CN113565266A (en) | 2021-06-21 | 2021-06-21 | Double-row grouting sleeve structure and assembly type prefabricated part |
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| CN113565266A true CN113565266A (en) | 2021-10-29 |
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| CN212715380U (en) * | 2020-04-30 | 2021-03-16 | 广东博意建筑设计院有限公司 | Communicating grouting sleeve |
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2021
- 2021-06-21 CN CN202110686167.8A patent/CN113565266A/en active Pending
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| US20130028658A1 (en) * | 2011-07-27 | 2013-01-31 | Yee Alfred A | Splice sleeve with elliptical or compound curve cross section |
| US20200232207A1 (en) * | 2018-01-31 | 2020-07-23 | Hefei Construction Engineering Group Co.Ltd | Assembling structure of prefabricated concrete component |
| CN210086649U (en) * | 2019-04-23 | 2020-02-18 | 安徽军瑶新型材料有限公司 | Box-type assembly building board with prefabricated window |
| CN110318498A (en) * | 2019-06-24 | 2019-10-11 | 天元建设集团有限公司 | A kind of assembled architecture combined type connection system and its construction method |
| CN212715380U (en) * | 2020-04-30 | 2021-03-16 | 广东博意建筑设计院有限公司 | Communicating grouting sleeve |
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Application publication date: 20211029 |