CN211114435U - A half grout connecting sleeve of automatic rectifying for prefabricated post wall - Google Patents
A half grout connecting sleeve of automatic rectifying for prefabricated post wall Download PDFInfo
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- CN211114435U CN211114435U CN201920675956.XU CN201920675956U CN211114435U CN 211114435 U CN211114435 U CN 211114435U CN 201920675956 U CN201920675956 U CN 201920675956U CN 211114435 U CN211114435 U CN 211114435U
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Abstract
The utility model discloses an automatic half grout connecting sleeve of rectifying for prefabricated post wall, including half grout sleeve body and hemisphere head anchor joint bar body, hemisphere head anchor joint bar body top one end is equipped with hemisphere head structure, hemisphere head structure includes hemisphere direction head or hemisphere head nut, hemisphere direction head and hemisphere head anchor joint bar body structure as an organic whole, the inner wall screw thread of hemisphere head nut and the screw thread looks adaptation on hemisphere head anchor joint bar body top, hemisphere head anchor joint bar body external cooperation is used and is had half grout sleeve body, half grout sleeve body one side is equipped with grout hole and grout hole, half grout sleeve body inner wall is equipped with lateral wall shear force groove guide structure, lateral wall shear force groove guide structure is located the lower limb position of each way horizontal shear force groove of half grout sleeve body inner wall, the inner wall periphery on grout hole upper portion is equipped with top guide structure placed in the middle. Utility model simple structure, convenient operation for vertical prefabricated component's installation rate has improved the efficiency of construction, and economic benefits is showing.
Description
Technical Field
The utility model relates to a building field specifically is an automatic half grout connecting sleeve that rectifies for prefabricated post wall.
Background
With the acceleration of urbanization process in China, prefabricated building technology is applied more and more. Compared with the traditional cast-in-place concrete structure building, the prefabricated building has the advantages of convenient construction, short construction period, small pollution to the surrounding environment, convenient factory production and mass centralized production of building components, easy guarantee of component quality and the like. The connection between prefabricated components is the key and difficult point influencing the construction quality of the prefabricated building.
At present, the connection technology of pre-embedded anchor dowel sleeve grouting is one of mainstream technologies of connecting vertical components such as prefabricated walls, prefabricated columns and the like, and is a construction technology that the anchor dowel is pre-embedded according to a design position before the vertical components such as the prefabricated walls, the prefabricated columns and the like are hoisted in place, the grouting sleeve is pre-embedded at the position, corresponding to the pre-reserved anchor dowel, of the bottom of the vertical components such as the prefabricated walls, the prefabricated columns and the like, then the vertical components such as the prefabricated walls, the prefabricated columns and the like are hoisted in place, the sleeve is sleeved on the anchor dowel and the anchor dowel is ensured to be vertically centered in the sleeve, finally, special grouting material is adopted for pressure grouting, and gaps between the sleeve and the anchor dowel are densely filled. But in the actual work progress, because pre-buried dowel bar needs to be through processes such as ligature fixed, concrete vibration, receive the comprehensive influence of various factors in each process work progress, can arouse the change of pre-buried dowel bar position unavoidably, consequently, hardly guarantee that whole pre-buried sleeves homoenergetic of same component accurately overlaps on the anchor dowel bar and guarantees that the anchor dowel bar is vertically placed in the middle in the sleeve, this has just seriously reduced the quality of being connected of pre-buried sleeve and pre-buried anchor dowel bar to and reduced the quality of being connected between vertical prefabricated component and the basic unit major structure, main structure safety for the building brings the hidden danger. On one hand, as the size of a gap between the anchoring steel bar and the grouting sleeve is smaller and is usually 8-12mm, when the pre-embedded position of the anchoring steel bar has deviation, the gap between the anchoring steel bar and the inner wall of the sleeve is easily reduced or is directly contacted, so that the anchoring steel bar and the sleeve cannot be fully connected through grouting material, and the connection strength between the sleeve and the anchoring steel bar is further reduced; on the other hand, when the position deviation of a plurality of anchor steel dowels of the same vertical prefabricated part exceeds the allowable deviation range, the connection strength between the vertical part and the main structure is seriously reduced, and further, the serious potential safety hazard is brought to the overall construction quality of the main structure engineering; on the other hand, after the prefabricated vertical component is in place, whether the anchoring insertion bars are vertically centered in the sleeve cannot be observed on the outer side, whether the width of the gaps between the anchoring insertion bars and the grouting sleeve is uniform or not cannot be determined, and the filling requirement of grouting material is met, and only after the grouting material is filled, whether the quality of the joint of the connecting part is qualified or not can be detected by adopting special detection equipment (when the joint is detected to be unqualified, only passive reinforcement remedial measures can be adopted, time and labor are wasted, and the quality cannot be guaranteed). Therefore, the currently and generally applied connection technology of the embedded anchor joint bar and the sleeve grouting is innovated in the aspects of structure and technology, so that sufficient gaps are reserved between the embedded anchor joint bar and the inner wall of the grouting sleeve to fill grouting materials, the construction quality of the connection part of each anchor joint bar and the grouting sleeve is ensured, and further the connection quality between each prefabricated vertical component and the main structure and the construction quality of the main structure engineering are ensured.
The utility model discloses just to prefabricated wall, the construction quality of being connected between vertical component such as prefabricated post and major structure provides a half grout sleeve and application method with automatic function of rectifying, can carry out automatic rectifying to the pre-buried anchor joint bar that takes place a small amount of skew, and make and have sufficient gap between pre-buried anchor joint bar and the half grout sleeve inner wall and pack the grout material, ensure prefabricated wall, vertical prefabricated component such as prefabricated post is installed smoothly and is taken one's place and carry out the abundant connection with anchor joint bar and half grout sleeve through the grout material, and then guarantee prefabricated wall, joint strength between vertical prefabricated component such as prefabricated post and the major structure, guarantee the construction quality of major structure engineering.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses an automatic half grout connecting sleeve that rectifies for prefabricated post wall.
The technical scheme of the utility model is that: an automatic deviation rectifying semi-grouting connecting sleeve for a prefabricated column wall comprises a semi-grouting sleeve body and a semi-spherical head anchoring joint bar body, wherein a semi-spherical head structure is arranged at one end of the top of the semi-spherical head anchoring joint bar body and comprises a semi-spherical guide head or a semi-spherical head nut, the semi-spherical guide head and the semi-spherical head anchoring joint bar body are of an integral structure, the inner wall threads of the semi-spherical head nut are matched with the threads at the top end of the semi-spherical head anchoring joint bar body, the semi-spherical head anchoring joint bar body is externally matched with the semi-grouting sleeve body, one side of the semi-grouting sleeve body is provided with a grout outlet and a grout outlet, the inner wall of the semi-grouting sleeve body is provided with a side wall shear groove guide structure, the side wall shear groove guide structure is positioned at the lower edge part of each horizontal shear groove in the inner wall of the semi-grouting sleeve body, the top end center guide structure is arranged, and enough gaps are ensured between the anchoring insertion ribs and the inner wall of the semi-grouting sleeve to fill and connect grouting materials.
Further, the lateral wall shear force groove guide structure sets up the smooth cambered surface of downward bulge in succession, and the smooth cambered surface upwards extends to the top horizontal plane in horizontal shear force groove and forms the internal diameter and is greater than the loudspeaker form round hole that the big apical opening of hemisphere head structure size of hemisphere head anchor dowel body is little at the end opening.
Further, the top guide structure placed in the middle sets up the smooth cambered surface of downward bulge, and the smooth cambered surface upwards extends to the top of half grout sleeve body and forms the internal diameter slightly to be greater than the loudspeaker form round hole that the hemisphere head structure size on hemisphere head anchor dowel body top, the big top mouth of end opening is little.
Furthermore, the top of the hemispherical head nut is a hemispherical surface, a cylinder is arranged below the hemispherical surface, and the top of the hemispherical surface is provided with a notch.
Furthermore, one side of the half grouting sleeve body is provided with a grout discharging hole and a grouting hole, and the inner wall of the half grouting sleeve body is provided with a side wall shear groove guide structure.
Furthermore, the exposed length of the hemispherical head anchoring joint bar body is larger than that of a common embedded anchoring joint bar, and enough length of the hemispherical head anchoring joint bar body enters the top end centering guide structure of the semi-grouting sleeve body.
The utility model discloses an useful part: the utility model has the advantages of being simple in structure, and convenient in operation, the prefabricated wall, in the installation and construction process of vertical prefabricated component such as prefabricated post, can carry out automatic deviation rectification and correction to the pre-buried anchor joint bar that does not exceed grout sleeve inner wall edge position within range and take place a small amount of positional deviation, solved because of pre-buried anchor joint bar because of the plane position takes place the prefabricated component hoist that reasons such as deviation arouse to take place difficulty and anchor bar and grout sleeve between grout material packing inadequately, quality common fault such as grout joint connection intensity is not enough, the prefabricated wall has been ensured, the installation construction quality of vertical prefabricated component such as prefabricated post, vertical prefabricated component's installation rate has been accelerated, the efficiency of construction is improved, economic benefits is showing.
Drawings
FIG. 1 is a schematic view of an installation structure of an automatic deviation rectifying semi-grouting connecting sleeve and a hemispherical head anchoring dowel;
FIG. 2 is a schematic diagram of an automatic deviation rectifying structure of a half grouting connecting sleeve;
FIG. 3a is a schematic view of an anchor dowel with a hemispherical head nut;
FIG. 3b is a schematic view of a hemispherical anchor dowel;
FIG. 4 is a schematic view of a hemispherical head nut;
fig. 5 is a schematic view of an automatic deviation rectifying half-grouting sleeve.
Wherein: 1. the steel bar comprises a hemispherical head anchoring dowel body, 2, threads, 3, a hemispherical head nut, 4, a groove, 5, inner wall threads, 6, a semi-grouting sleeve body, 7, a prefabricated wall and a column vertical stress steel bar, 8, a grout discharge hole, 9, a grouting hole, 10, a side wall shear groove guide structure, 11, a top end centered guide structure, 12 and a hemispherical guide head.
Detailed Description
In order to deepen the understanding of the present invention, the following detailed description is given with reference to the accompanying drawings, which are only used for explaining the present invention and do not constitute a limitation to the protection scope of the present invention.
An automatic deviation rectifying semi-grouting connecting sleeve for a prefabricated column wall comprises a semi-grouting sleeve body 6 and a semi-spherical head anchoring joint bar body 1, wherein a semi-spherical head structure is arranged at one end of the top of the semi-spherical head anchoring joint bar body 1 and comprises a semi-spherical guide head 12 or a semi-spherical head nut 3, the semi-spherical guide head 12 and the semi-spherical head anchoring joint bar body 1 are of an integral structure, the top end of the semi-spherical head anchoring joint bar body 1 is directly polished into the semi-spherical guide head 12, or an inner wall thread 5 of the semi-spherical head nut 3 is matched with a thread 2 at the top end of the semi-spherical head anchoring joint bar body 1, the exposed length of the semi-spherical head anchoring joint bar body 1 is larger than that of a conventional embedded anchoring joint bar, and the length increasing part of the semi-spherical head anchoring joint bar body 1 only; the semi-grouting sleeve body 6 is matched and used outside the hemispherical head anchoring joint bar body 1;
one side of a half grouting sleeve body 6 is provided with a grout discharging hole 8 and a grout injecting hole 9, the inner wall of the half grouting sleeve body 6 is provided with a side wall shear groove guide structure 10, the side wall shear groove guide structure is positioned at the lower edge part of each horizontal shear groove in the inner wall of the half grouting sleeve body, the periphery of the inner wall of the upper part of the grout discharging hole 8 is provided with a top end centering guide structure 11, the grout discharging hole is positioned between the side wall shear groove guide structure 10 and the top end centering guide structure 11, the grout injecting hole is positioned below the grout discharging hole, and the length of the top end centering guide structure part of the half grouting sleeve body 6 is increased compared with that of a common half grouting sleeve; the grouting material is not filled in the inner side of the guide structure in the middle of the top end, and the function of the grouting material is to guide the middle of the top end of the anchoring dowel and transfer the axial force action of the connecting part of the sleeve.
The top guide structure 11 placed in the middle sets up the smooth cambered surface of downward bulge, and the smooth cambered surface upwards extends to the top of half grout sleeve body and forms the internal diameter and slightly is greater than the top hemisphere head structural dimension of hemisphere head anchor dowel body 1, the big small loudspeaker form round hole in top mouth of end mouth.
The lateral wall shear groove guide structure 10 is continuously provided with a downward convex smooth arc surface, the smooth arc surface upwards extends to the top horizontal surface of the horizontal shear groove and forms a horn-shaped round hole with an inner diameter larger than the hemispherical head structure size of the hemispherical head anchoring dowel body 1 and a large bottom opening and a small top opening.
When the top end of the hemispherical head anchoring joint bar with the position deviation touches the smooth cambered surfaces of the shear groove guide structure on the side wall of the sleeve and the guide structure between the two sides on the top end of the sleeve, the smooth cambered surfaces can automatically guide the hemispherical head structure on the top end of the hemispherical head anchoring joint bar body to smoothly pass through each shear groove on the side wall part in sequence and finally insert into the center position inside the sleeve, and the purpose of vertically arranging the top end of the embedded anchoring joint bar in the half grouting sleeve is achieved.
The top of the hemispherical head screw cap 3 is a hemispherical surface, a cylinder is arranged below the hemispherical surface, and a cross-shaped or straight-shaped slot 4 is formed in the top of the hemispherical surface.
The top of the semi-grouting sleeve body 6 is connected with a prefabricated wall and a column vertical stressed steel bar 7 and is fixed in a prefabricated part through concrete.
An automatic deviation rectifying semi-grouting connecting sleeve for a prefabricated column wall and a using method thereof comprise the following steps:
1) installation of the hemispherical head anchoring dowel bar body:
a. in the construction process of the structure of the base installation surface, the hemispherical head anchoring dowel body 1 is embedded in the base structure and fixed by taking measures; in the construction process, the plane position, the verticality, the anchoring length and the exposed length deviation of the embedded anchoring joint bar are controlled strictly according to the standard requirements, and the installation work of the embedded hemispherical head anchoring joint bar body is completed;
b. after the base structure construction is finished, the plane position, the verticality, the anchoring length and the exposed length of the embedded hemispherical head anchoring steel bar body 1 are checked in time, and steel bars are planted again for embedded anchoring steel bars which have large plane position deviation and cannot meet the installation requirement;
2) installing a semi-grouting sleeve body:
in the manufacturing process of vertical concrete components such as precast columns, precast walls and the like, the semi-grouting sleeve body 6 is pre-embedded in the base layer structure according to design requirements, and fixing measures and finished product protection measures are taken.
3) Hoisting vertical concrete members such as prefabricated columns and prefabricated walls:
a. before hoisting, checking and accepting the quantity, the position, the verticality, the exposed length and the like of the embedded hemispherical head anchoring joint bar bodies 6 at the installation part, and making the quantity, the position, the verticality, the exposed length and the like qualified; the method comprises the following steps of carrying out careful inspection on vertical concrete components such as precast columns, precast walls and the like, judging whether the sizes of all parts meet design requirements, whether the surface of a concrete structure is damaged or cracked, whether the number and the positions of pre-embedded lengthened semi-grouting sleeves are correct, and whether pre-embedding and reservation of electromechanical pipelines and the like are omitted and correct;
b. during hoisting, fixing by adopting a special lifting appliance and a rope, conveying the concrete to the installation position by utilizing a hoisting machine, hovering for 0.5-1m, and then enabling pre-buried semi-grouting sleeve bodies of vertical concrete components such as precast columns, precast walls and the like to be aligned with the positions of the pre-buried hemispherical head anchoring dowel bodies and slowly fall down; under the action of the gravity of a prefabricated component, when the top end of the hemispherical anchor dowel body touches the smooth arc surfaces of the lateral wall shear groove guide structure 10 and the top end centering guide structure 11 of the half-grouting sleeve body, the smooth arc surfaces can automatically guide the top end part of the hemispherical anchor dowel body 1 to sequentially and smoothly pass through each shear groove of the lateral wall part and correct the deviation of the embedded anchor dowel with a small amount of position deviation, and finally the embedded anchor dowel is inserted into the central position inside the sleeve to achieve the purpose that the top end of the embedded anchor dowel is vertically centered in the half-grouting sleeve, and finally the embedded anchor dowel is inserted into the central position inside the half-grouting sleeve body and is smoothly installed in place;
c. after the plane position, the verticality, the elevation and the like of the component are checked to meet the design and specification requirements, the temporary support is immediately used for fixing and dismounting the lifting appliance, and the lifting of vertical concrete components such as precast columns, precast walls and the like is completed;
4) grouting a sleeve, maintaining and temporarily supporting and removing:
after the hoisting of vertical concrete members such as prefabricated columns, prefabricated walls and the like is completed, sleeve grouting construction and grouting material maintenance construction of the connecting parts are carried out in time; after the strength of the grouting material reaches the design requirement, the temporary fixing support can be removed, and the installation and construction of vertical concrete components such as prefabricated columns, prefabricated walls and the like are completed.
The utility model discloses the technical purpose is overcome a great deal of not enough of the connection technology of present pre-buried anchor dowel sleeve grout, provides an automatic half grout muffjoint technique of rectifying for prefabricated post wall. This technical structure is simple reasonable, maneuverability is strong, construction convenience, carry out structure and technical innovation through half grout sleeve and connecting reinforcement, realized carrying out automatic deviation rectification and correction to the skew of pre-buried anchor dowel, make pre-buried anchor dowel top vertically central in the sleeve, and with grout sleeve inner wall between have enough gap to fill grouting material, guaranteed the connection quality between pre-buried anchor dowel and the half grout sleeve, and further guaranteed the connection quality between vertical structure accessories such as prefabricated column wall and the major structure, a great deal of problem that ordinary pre-buried anchor rebar sleeve leaks thick liquid connection technique and arouses has been solved effectively, economic benefits is showing, be a new technology worth promoting.
Claims (5)
1. The utility model provides an automatic half grout connecting sleeve of rectifying for prefabricated post wall, includes half grout sleeve body and hemisphere head anchor dowel body, its characterized in that: one end of the top of the hemispherical head anchoring joint bar body is provided with a hemispherical head structure which comprises a hemispherical guide head or a hemispherical head nut, the hemispherical guide head and the hemispherical head anchoring joint bar body are of an integrated structure, the threads on the inner wall of the hemispherical head nut are matched with the threads at the top end of the hemispherical head anchoring joint bar body, the semi-spherical head anchoring joint bar body is matched with a semi-grouting sleeve body, one side of the semi-grouting sleeve body is provided with a grout discharging hole and a grout injecting hole, the inner wall of the semi-grouting sleeve body is provided with a side wall shear groove guide structure which is positioned at the lower edge part of each horizontal shear groove on the inner wall of the semi-grouting sleeve body, the periphery of the inner wall at the upper part of the grout outlet is provided with a top end centering guide structure for guiding the top end of the hemispherical head anchoring dowel bar to be centered at the inner side of the semi-grouting sleeve body, and enough gaps are ensured between the anchoring insertion ribs and the inner wall of the semi-grouting sleeve to fill and connect grouting materials.
2. The automatic deviation rectifying semi-grouting connecting sleeve for the prefabricated column wall as claimed in claim 1, wherein: the lateral wall shear groove guide structure is continuously provided with a downward convex smooth arc surface, the smooth arc surface upwards extends to the top horizontal surface of the horizontal shear groove and forms a horn-shaped round hole with an inner diameter larger than the hemispherical head structure size of the hemispherical head anchoring dowel body and a large bottom opening and a small top opening.
3. The automatic deviation rectifying semi-grouting connecting sleeve for the prefabricated column wall as claimed in claim 1, wherein: the top guide structure placed in the middle sets up the protruding smooth cambered surface downwards, and the smooth cambered surface upwards extends to the top of half grout sleeve body and forms the internal diameter and slightly is greater than the trumpet-shaped round hole that the hemisphere head structure size on hemisphere head anchor dowel body top, the big top mouth of end mouth is little.
4. The automatic deviation rectifying semi-grouting connecting sleeve for the prefabricated column wall as claimed in claim 1, wherein: the top of the hemispherical head nut is a hemispherical surface, a cylinder is arranged below the hemispherical surface, and the top of the hemispherical surface is provided with a notch.
5. The automatic deviation rectifying semi-grouting connecting sleeve for the prefabricated column wall as claimed in claim 1, wherein: the exposed length of the hemispherical head anchoring joint bar body is larger than that of a common embedded anchoring joint bar, and enough length of the hemispherical head anchoring joint bar body enters the top end centering guide structure of the semi-grouting sleeve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675956.XU CN211114435U (en) | 2019-05-13 | 2019-05-13 | A half grout connecting sleeve of automatic rectifying for prefabricated post wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675956.XU CN211114435U (en) | 2019-05-13 | 2019-05-13 | A half grout connecting sleeve of automatic rectifying for prefabricated post wall |
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| CN211114435U true CN211114435U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920675956.XU Active CN211114435U (en) | 2019-05-13 | 2019-05-13 | A half grout connecting sleeve of automatic rectifying for prefabricated post wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185199A (en) * | 2019-05-13 | 2019-08-30 | 江苏南通三建集团股份有限公司 | A kind of half grouting connection sleeve of the automatic deviation correction for prefabricated post wall |
-
2019
- 2019-05-13 CN CN201920675956.XU patent/CN211114435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185199A (en) * | 2019-05-13 | 2019-08-30 | 江苏南通三建集团股份有限公司 | A kind of half grouting connection sleeve of the automatic deviation correction for prefabricated post wall |
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Address after: No. 131, Haiman City, Jiangsu Province, Haimen City, Jiangsu Patentee after: JIANGSU NANTONG SANJIAN CONSTRUCTION GROUP Co.,Ltd. Patentee after: Kangboda Construction Technology Group Co.,Ltd. Address before: No. 131, Haiman City, Jiangsu Province, Haimen City, Jiangsu Patentee before: JIANGSU NANTONG SANJIAN CONSTRUCTION GROUP Co.,Ltd. Patentee before: KANGBODA ENERGY SAVING TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20221101 Granted publication date: 20200728 |