CN111139977A - Combined type semi-grouting sleeve and mounting method thereof - Google Patents
Combined type semi-grouting sleeve and mounting method thereof Download PDFInfo
- Publication number
- CN111139977A CN111139977A CN202010066201.7A CN202010066201A CN111139977A CN 111139977 A CN111139977 A CN 111139977A CN 202010066201 A CN202010066201 A CN 202010066201A CN 111139977 A CN111139977 A CN 111139977A
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- CN
- China
- Prior art keywords
- grouting
- sleeve body
- steel bar
- sleeve
- mechanical joint
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a combined type semi-grouting sleeve and an installation method thereof, and aims to provide a combined type semi-grouting sleeve with high applicability and an installation method thereof. The combined type half grouting sleeve is used for connecting a steel bar non-grouting connecting section and a steel bar grouting connecting section and comprises a sleeve body, a mechanical joint and a plug; the upper part of the side wall of the sleeve body is provided with a grout overflow hole communicated with the inner cavity of the sleeve body, and the lower part of the side wall of the sleeve body is provided with a grouting hole communicated with the inner cavity of the sleeve body; the upper end of the sleeve body is provided with a top screw hole for connecting a mechanical joint, the outer wall of the mechanical joint is provided with an external thread section matched with the top screw hole, and the mechanical joint is connected to the upper end of the sleeve body through a thread structure; the plug is arranged at the lower end of the sleeve body; and the mechanical joint is provided with a through internal threaded hole for connecting the non-grouting connecting section of the steel bar. The invention can be used in complex nodes with limited partial assembly space or limited assembly mode, thereby effectively improving the convenience and efficiency of construction.
Description
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to a combined type half grouting sleeve and an installation method thereof.
Background
The grouting sleeve connection technology is a common technology for connecting nodes of the existing fabricated concrete structure relatively mature, but the grouting sleeve is large in size and needs to be aligned with the reinforcing steel bars and then inserted during installation, so that the grouting sleeve connection technology has the condition that the space is narrow and the grouting sleeve cannot be installed when being applied to the connection of the reinforcing steel bars of the complex nodes with limited partial space.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a combined type half grouting sleeve for narrow operation and an installation method thereof.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a combined type half grouting sleeve is used for connecting a steel bar non-grouting connecting section and a steel bar grouting connecting section; comprises a sleeve body, a mechanical joint and a plug; the upper part of the side wall of the sleeve body is provided with a grout overflow hole communicated with the inner cavity of the sleeve body, and the lower part of the side wall of the sleeve body is provided with a grouting hole communicated with the inner cavity of the sleeve body; the upper end of the sleeve body is provided with a top screw hole for connecting a mechanical joint, the outer wall of the mechanical joint is provided with an external thread section matched with the top screw hole, and the mechanical joint is connected to the upper end of the sleeve body through a thread structure; the plug is arranged at the lower end of the sleeve body; and the mechanical joint is provided with a through internal threaded hole for connecting the non-grouting connecting section of the steel bar.
Preferably, the external thread section on the mechanical joint and the internal thread hole have opposite thread directions.
Preferably, the lower part of the mechanical joint is an enlarged head.
Preferably, the outer wall of the enlarged head is provided with a cutting surface for clamping by a wrench.
Preferably, a plurality of annular rib plates are arranged on the inner wall of the sleeve body at intervals.
A method for installing the combined type half grouting sleeve comprises the following steps:
1) threading the steel bar head of the steel bar non-grouting connecting section;
2) the sleeve body is inserted into the steel bar non-grouting connecting section, and the plug is sleeved into the steel bar grouting connecting section;
3) the mechanical joint is screwed into the non-grouting connecting section reinforcing steel bar head;
4) the steel bar non-grouting connecting section is aligned with the steel bar grouting connecting section;
5) the sleeve body is moved to the wrapping steel bar grouting connecting section and is screwed after being in threaded connection with the mechanical joint;
6) the plug is moved to the bottom of the sleeve body and is plugged tightly;
7) binding joint stirrups;
8) pouring node concrete;
9) and grouting into the grouting sleeve from the grouting hole after the concrete at the node reaches the strength, and finishing grouting after grouting material flows out from the grout overflow hole.
Compared with the prior art, the invention has the following advantages:
the sleeve body and the mechanical joint can be detached and assembled separately and can be used in a complex node with limited partial assembly space or limited assembly mode, so that the construction convenience and efficiency are effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a cross-sectional view of a sleeve body of the present invention;
FIG. 2 is a schematic view of an installation sequence of the present invention;
figure 3 is a schematic view of the invention in place.
In the figure: 1. a sleeve body; 1-1, grouting holes; 1-2, slurry overflow holes; 1-3, a top screw hole; 1-4, rib plates; 2. a mechanical joint; 2-1, an internal threaded hole; 2-2, external thread section; 2-3, an enlarged head; 2-4, cutting the surface; 3. a plug; 4. a steel bar non-grouting connecting section; 4-1, non-grouting connecting section reinforcing steel bar heads; 5. and (5) grouting a connecting section with reinforcing steel bars.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention. In the following description, for the purpose of clearly illustrating the structure and operation of the present invention, reference will be made to the accompanying drawings by way of directional terms, but terms such as "front", "rear", "left", "right", "up", "down", etc. should be construed as words of convenience and should not be construed as limiting terms.
The combined type half grouting sleeve shown in fig. 1-3 is used for connecting a steel bar non-grouting connecting section 4 and a steel bar grouting connecting section 5; the combined type half grouting sleeve comprises a sleeve body 1, a mechanical joint 2 and a plug 3; the upper part of the side wall of the sleeve body 1 is provided with a grout overflow hole 1-2 communicated with the inner cavity of the sleeve body, and the lower part of the side wall of the sleeve body 1 is provided with a grouting hole 1-1 communicated with the inner cavity of the sleeve body; the upper end of the sleeve body 1 is provided with a top screw hole 1-3 for connecting a mechanical joint 2, the outer wall of the mechanical joint 2 is provided with an external thread section 2-2 matched with the top screw hole 1-3, and the mechanical joint 2 is connected to the upper end of the sleeve body 1 through a thread structure; the plug 3 is arranged at the lower end of the sleeve body 1; and a through internal threaded hole 2-1 for connecting the steel bar non-grouting connecting section 4 is formed in the mechanical joint 2.
In this embodiment, the external thread section 2-2 on the mechanical joint 2 and the internal thread hole 2-1 have opposite thread directions. The lower part of the mechanical joint 2 is provided with an expanded head 2-3, and the diameter of the expanded head 2-3 is more than 2mm larger than that of a screw hole 1-3 at the top of the sleeve body 1. The outer wall of the enlarged head 2-3 is provided with a cutting surface 2-4 for clamping a wrench, so that the installation is convenient. The inner wall of the sleeve body 1 is provided with a plurality of annular rib plates 1-4 at intervals, the width of the rib plates 1-4 is not less than 3mm, the number of the rib plates is not less than 4, and the rib plates are equidistantly arranged on the inner wall of the sleeve body 1.
The method for installing the combined type half grouting sleeve comprises the following steps:
1) threading the steel bar head of the steel bar non-grouting connecting section 4;
2) the sleeve body 1 is inserted into the steel bar non-grouting connecting section 4, and the choke plug 3 is sleeved into the steel bar grouting connecting section 5;
3) the mechanical joint 2 is screwed into the non-grouting connecting section reinforcing steel bar head 4-1;
4) the steel bar non-grouting connecting section 4 is aligned with the steel bar grouting connecting section 5;
5) the sleeve body 1 is moved to the wrapping steel bar grouting connecting section 5, is in threaded connection with the mechanical joint 2 and is screwed down;
6) the plug 3 is moved to the bottom of the sleeve body 1 and plugged tightly;
7) binding joint stirrups;
8) pouring node concrete;
9) and grouting into the grouting sleeve from the grouting hole after the concrete at the node reaches the strength, and finishing grouting after grouting material flows out from the grout overflow hole.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. It will be understood by those skilled in the art that any modification, equivalent replacement, or improvement made on the technical solutions or parts of the technical features described in the above embodiments can be included in the scope of protection of the present invention within the spirit and principle of the present invention.
Claims (6)
1. A combined type half grouting sleeve is used for connecting a steel bar non-grouting connecting section and a steel bar grouting connecting section; comprises a sleeve body, a mechanical joint and a plug; the method is characterized in that: the upper part of the side wall of the sleeve body is provided with a grout overflow hole communicated with the inner cavity of the sleeve body, and the lower part of the side wall of the sleeve body is provided with a grouting hole communicated with the inner cavity of the sleeve body; the upper end of the sleeve body is provided with a top screw hole for connecting a mechanical joint, the outer wall of the mechanical joint is provided with an external thread section matched with the top screw hole, and the mechanical joint is connected to the upper end of the sleeve body through a thread structure; the plug is arranged at the lower end of the sleeve body; and the mechanical joint is provided with a through internal threaded hole for connecting the non-grouting connecting section of the steel bar.
2. The modular half grout sleeve of claim 1, wherein: the external thread section on the mechanical joint and the thread direction of the internal thread hole are opposite.
3. The modular half grout sleeve of claim 1, wherein: the lower part of the mechanical joint is an expansion head.
4. The modular half grout sleeve of claim 1, wherein: and a cutting surface for clamping a wrench is arranged on the outer wall of the expansion head.
5. The modular half grout sleeve of claim 1, wherein: the inner wall of the sleeve body is provided with a plurality of annular rib plates at intervals.
6. A method of installing a modular semi-grouting sleeve according to any one of claims 1-5, characterised in that it comprises the following steps:
1) threading the steel bar head of the steel bar non-grouting connecting section;
2) the sleeve body is inserted into the steel bar non-grouting connecting section, and the plug is sleeved into the steel bar grouting connecting section;
3) the mechanical joint is screwed into the non-grouting connecting section reinforcing steel bar head;
4) the steel bar non-grouting connecting section is aligned with the steel bar grouting connecting section;
5) the sleeve body is moved to the wrapping steel bar grouting connecting section and is screwed after being in threaded connection with the mechanical joint;
6) the plug is moved to the bottom of the sleeve body and is plugged tightly;
7) binding joint stirrups;
8) pouring node concrete;
9) and grouting into the grouting sleeve from the grouting hole after the concrete at the node reaches the strength, and finishing grouting after grouting material flows out from the grout overflow hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010066201.7A CN111139977A (en) | 2020-01-20 | 2020-01-20 | Combined type semi-grouting sleeve and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010066201.7A CN111139977A (en) | 2020-01-20 | 2020-01-20 | Combined type semi-grouting sleeve and mounting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111139977A true CN111139977A (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010066201.7A Pending CN111139977A (en) | 2020-01-20 | 2020-01-20 | Combined type semi-grouting sleeve and mounting method thereof |
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| Country | Link |
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| CN (1) | CN111139977A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293714A (en) * | 2020-10-08 | 2022-04-08 | 衡水双信建筑机械有限公司 | Semi-grouting sleeve for steel bar connection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090263185A1 (en) * | 2008-04-17 | 2009-10-22 | Yee Alfred A | Rebar splice sleeve and method of splicing |
| CN104929318A (en) * | 2014-03-18 | 2015-09-23 | 宁波市镇海路石建筑科技有限公司 | Grouting sleeve for connecting deformed steel bars |
| CN108252458A (en) * | 2018-03-20 | 2018-07-06 | 浙江省建筑科学设计研究院有限公司 | The cast-in-place connection of bean column node precast beam reinforced bar half grout sleeve component and its application |
| CN209066730U (en) * | 2018-09-21 | 2019-07-05 | 广东联城住工装备信息科技有限公司 | Grout sleeve |
-
2020
- 2020-01-20 CN CN202010066201.7A patent/CN111139977A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090263185A1 (en) * | 2008-04-17 | 2009-10-22 | Yee Alfred A | Rebar splice sleeve and method of splicing |
| CN104929318A (en) * | 2014-03-18 | 2015-09-23 | 宁波市镇海路石建筑科技有限公司 | Grouting sleeve for connecting deformed steel bars |
| CN108252458A (en) * | 2018-03-20 | 2018-07-06 | 浙江省建筑科学设计研究院有限公司 | The cast-in-place connection of bean column node precast beam reinforced bar half grout sleeve component and its application |
| CN209066730U (en) * | 2018-09-21 | 2019-07-05 | 广东联城住工装备信息科技有限公司 | Grout sleeve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293714A (en) * | 2020-10-08 | 2022-04-08 | 衡水双信建筑机械有限公司 | Semi-grouting sleeve for steel bar connection |
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Application publication date: 20200512 |