CN115492249A - Dry-type connection structure of prefabricated post of modularization box-type building and foundation slab - Google Patents
Dry-type connection structure of prefabricated post of modularization box-type building and foundation slab Download PDFInfo
- Publication number
- CN115492249A CN115492249A CN202211340214.4A CN202211340214A CN115492249A CN 115492249 A CN115492249 A CN 115492249A CN 202211340214 A CN202211340214 A CN 202211340214A CN 115492249 A CN115492249 A CN 115492249A
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- Prior art keywords
- pull rod
- foundation slab
- sleeve
- dry
- toper
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- 238000010276 construction Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 239000011111 cardboard Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 abstract 3
- 238000000429 assembly Methods 0.000 abstract 3
- 230000004075 alteration Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/348—Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a dry-type connecting structure of a modular box type building prefabricated column and a foundation slab, which comprises an upper sleeve assembly and a lower sleeve assembly; a plurality of upper connecting blind holes are formed in the bottom end of the prefabricated column, the upper connecting blind holes are connected with corresponding upper sleeve assemblies on each upper connecting blind hole, a preformed groove is formed in the upper surface of the foundation slab, a plurality of lower connecting blind holes are formed in the groove bottom of the preformed groove, each lower connecting blind hole is connected with a corresponding lower sleeve assembly, and the upper sleeve assemblies and the lower sleeve assemblies are mutually butted and clamped. The invention realizes the dry connection of the prefabricated column and the foundation slab, the connection is neat and clean, the structural stability of the prefabricated column and the foundation slab after the connection is ensured, the upper sleeve assembly and the lower sleeve assembly can be directly butted on the construction site, the connection is quick, the construction efficiency is high, the construction period is saved, and the construction cost is saved.
Description
Technical Field
The invention relates to the field of construction of modular box-type buildings, in particular to a dry-type connecting structure of a prefabricated column and a foundation slab of a modular box-type building.
Background
The modular box type building is a box type modular building, and the bearing boxes are formed by structural members and are overlapped to form the building. The modular box type building is connected with the foundation slab in a cast-in-place or wet mode, plates of the modular box type building are hoisted to a construction site after being prefabricated in a factory, the plates are connected with the foundation slab through pouring concrete, and after the cast-in-place concrete meets the age strength, the modular box type building is connected with a foundation. The mode needs to pour concrete on the construction site, needs to stir the poured concrete on the site, has large pollution, needs to wait for the concrete to meet the age strength, and has long construction time and low construction efficiency.
Disclosure of Invention
The invention aims to solve the technical problem of providing a dry type connecting structure of a prefabricated column and a foundation slab of a modularized box type building.
The technical scheme of the invention is as follows:
a dry-type connecting structure of a modular box type building prefabricated column and a foundation slab comprises an upper sleeve assembly and a lower sleeve assembly;
the bottom end of the prefabricated column is provided with a plurality of upper connecting blind holes, each upper connecting blind hole is connected with a corresponding upper sleeve assembly, each upper sleeve assembly comprises an upper sleeve and a connecting pull rod, the upper sleeves are connected into the upper connecting blind holes, the bottom ends of the upper sleeves are flush with the bottom end of the prefabricated column, the inner wall of each upper sleeve is provided with an internal thread, each connecting pull rod comprises an upper part and a lower part, the upper part of each connecting pull rod is a cylinder, the outer wall of each connecting pull rod is provided with an external thread, and the upper part of each connecting pull rod extends into the corresponding upper sleeve to be in threaded connection with the upper sleeve;
the upper surface of the foundation bottom plate is provided with a preformed groove, a plurality of lower connecting blind holes are formed in the groove bottom of the preformed groove, each lower connecting blind hole is connected with a corresponding lower sleeve assembly, each lower sleeve assembly comprises a lower sleeve and a clamping ring, the lower sleeves are connected into the lower connecting blind holes, the top ends of the lower sleeves are flush with the top end of the foundation bottom plate, and the clamping rings are clamped in the lower sleeves;
when the bottom end of the prefabricated column is connected to the foundation bottom plate, the lower part of the connecting pull rod extends into the lower sleeve and is tightly wrapped by the clamping ring.
The lower part of connecting the pull rod be the cone, the snap ring be the toper snap ring, the toper snap ring comprises a plurality of cardboards, a plurality of cardboards are split type structure, form the toper snap ring under a plurality of cardboard closure states, the external diameter of toper snap ring bottom equals the internal diameter of lower casing for toper snap ring bottom chucking is intraductal in lower casing, the lower part of connecting the pull rod stretches into intraductal and wrapped up the chucking by the toper snap ring down.
A plurality of cardboard of toper snap ring be steel sheet structure, the internal diameter at toper snap ring top is not more than the minimum external diameter of connecting the pull rod lower part.
The clamping plates of the conical clamping rings are not less than four in number.
The side surface of the lower part of the connecting pull rod is a concave conical surface, and the side surface of the lower part of the connecting pull rod is in transition connection with the side surface of the upper part of the connecting pull rod through an inverted cone-shaped transition surface.
The utility model discloses a taper clamp ring, including taper clamp ring, lower sleeve pipe, the top of taper clamp ring, the lateral wall that is close to the bottom on be provided with the fixture block of two radial symmetries, set up the bar draw-in groove of having put two radial symmetries on the inner wall of lower sleeve pipe, the notch of two bar draw-in grooves is relative, the top of two bar draw-in grooves all link up the top of lower sleeve pipe, when the taper clamp ring card was arranged in the lower sleeve pipe, two fixture blocks on the taper clamp ring blocked respectively and were arranged in two bar draw-in grooves.
The prefabricated column is prefabricated with an upper threaded steel bar extending into the upper connecting blind hole, and the internal thread on the upper part of the upper sleeve is in threaded connection with the upper threaded steel bar.
The foundation bottom plate on prefabricated have and stretch into the lower twisted steel who connects in the blind hole down, the inner wall of lower sleeve pipe lower part is provided with the internal thread, female thread threaded connection of lower sleeve pipe lower part is on lower twisted steel.
The invention has the advantages that:
the invention realizes the dry connection of the prefabricated column and the foundation slab, is neat and clean in connection, ensures the structural stability of the prefabricated column and the foundation slab after connection, can directly butt joint the upper sleeve assembly and the lower sleeve assembly on the construction site, has quick connection, high construction efficiency, saves construction period and construction cost.
Drawings
Fig. 1 is a schematic view of the butt structure of a prefabricated column and a foundation slab.
Fig. 2 is an exploded view of the present invention.
Figure 3 is a cross-sectional view of the lower casing.
Reference numerals: 1-prefabricated column, 2-foundation slab, 3-upper connecting blind hole, 4-preformed groove, 5-lower connecting blind hole, 6-upper sleeve, 7-connecting pull rod, 8-upper threaded steel bar, 9-lower sleeve, 10-conical clamp ring, 11-lower threaded steel bar, 12-clamp block and 13-strip clamp groove.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, a dry type connecting structure of a modular box type building prefabricated column and a foundation slab comprises an upper sleeve assembly and a lower sleeve assembly; the bottom end of the precast column 1 is provided with a plurality of upper connecting blind holes 3, each upper connecting blind hole 3 is connected with a corresponding upper sleeve assembly, the upper surface of the foundation slab 2 is provided with a preformed groove 4, and the bottom of the preformed groove 4 is provided with a plurality of lower connecting blind holes 5;
the upper sleeve assembly comprises an upper sleeve 6 and a connecting pull rod 7, an upper threaded steel bar 8 stretching into an upper connecting blind hole 3 is prefabricated on the prefabricated column 1, inner threads are arranged on the inner wall of the upper sleeve 6, the upper sleeve 6 is positioned in the upper connecting blind hole 3, the inner threads on the upper part of the upper sleeve 6 are connected to the upper threaded steel bar 8 in a threaded manner, the bottom end of the upper sleeve 6 is flush with the bottom end of the prefabricated column 1, the connecting pull rod 7 comprises an upper part and a lower part, the upper part of the connecting pull rod 7 is a cylinder, outer threads are arranged on the outer wall of the upper sleeve, the lower part of the connecting pull rod 7 is a cone, the side surface of the cone is an inwards concave conical surface, the side surface of the lower part of the connecting pull rod 7 is in transitional connection with the side surface of the upper part of the connecting pull rod 7 through an inverted cone-shaped transition surface, and the upper part of the connecting pull rod 7 stretches into the upper sleeve 6 to be in threaded connection with the upper sleeve 6;
the lower sleeve assembly comprises a lower sleeve 9 and a conical clamp ring 10, a lower threaded steel bar 11 extending into the lower connecting blind hole 5 is prefabricated on the foundation bottom plate 2, inner threads are arranged on the inner wall of the lower portion of the lower sleeve 9, the lower sleeve 9 is positioned in the lower connecting blind hole 5, the inner threads of the lower portion of the lower sleeve 9 are connected to the lower threaded steel bar 11, the top end of the lower sleeve 9 is flush with the top end of the foundation bottom plate 2, the conical clamp ring 10 consists of six clamp plates which are of split steel structures, the conical clamp ring 10 is formed in the closed state of the six clamp plates, the conical clamp ring 10 is arranged in the lower sleeve 9, the outer diameter of the bottom end of the conical clamp ring 10 is equal to the inner diameter of the lower sleeve 9, the bottom end of the conical clamp ring 10 is clamped in the lower sleeve 9, two radially symmetrical clamp blocks 12 are arranged on the outer side wall of the conical clamp ring 10 adjacent to the bottom end, two radially symmetrical strip-shaped clamp grooves 13 are formed in the inner wall of the lower sleeve 9, the notches of the two strip-shaped clamp grooves 13 are opposite, the top ends of the two strip-shaped clamp rings 12 on the conical clamp ring 10 are respectively clamped in the two strip-shaped clamp grooves 13;
when the bottom end of the prefabricated column 1 is connected to the foundation slab 2, the lower part of the connecting pull rod 7 extends into the lower sleeve 9, and the inner diameter of the top end of the conical clamping ring 10 is equal to the minimum outer diameter of the lower part of the connecting pull rod 7, so that the conical clamping ring 10 is completely wrapped and clamped on the lower part of the connecting pull rod 7.
The construction process of the invention comprises the following steps:
(1) Prefabricating a prefabricated column 1 and a foundation slab 2 in a factory, reserving a plurality of upper connecting blind holes 3 on the prefabricated column 1, prefabricating an upper threaded steel bar 8, reserving a reserved groove 4 and a plurality of lower connecting blind holes 5 on the foundation slab 2, and prefabricating a lower threaded steel bar 11;
(2) Transporting the precast column 1 and the foundation slab 2 to a construction site, and leveling the bottom surface of the reserved groove 4 by adopting epoxy resin;
(3) An upper sleeve 6 is connected to the upper threaded steel bar 8 in each upper connecting blind hole 3, and a pull rod 7 is connected to the inner part of the upper sleeve 6; a lower sleeve 9 is connected to the lower threaded steel bar 11 in each lower connecting blind hole 5, and a conical snap ring 10 is clamped in the lower sleeve 9;
(4) The prefabricated column 1 is hoisted into the reserved groove 4, the bottom end of the prefabricated column 1 is in close contact with the bottom of the reserved groove 4, the lower portion of each connecting pull rod 7 extends into the corresponding lower sleeve 9, the conical clamping ring 10 is completely wrapped and clamped on the lower portion of the connecting pull rod 7, and finally the periphery of the prefabricated column 1 in the reserved groove 4 is filled with expansion concrete.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a dry-type connection structure of prefabricated post of modularization box-type building and soleplate which characterized in that: comprises an upper sleeve component and a lower sleeve component;
the bottom end of the prefabricated column is provided with a plurality of upper connecting blind holes, each upper connecting blind hole is connected with a corresponding upper sleeve assembly, each upper sleeve assembly comprises an upper sleeve and a connecting pull rod, the upper sleeves are connected into the upper connecting blind holes, the bottom ends of the upper sleeves are flush with the bottom end of the prefabricated column, the inner wall of each upper sleeve is provided with an internal thread, each connecting pull rod comprises an upper part and a lower part, the upper part of each connecting pull rod is a cylinder, the outer wall of each connecting pull rod is provided with an external thread, and the upper part of each connecting pull rod extends into the corresponding upper sleeve to be in threaded connection with the upper sleeve;
the upper surface of the foundation bottom plate is provided with a preformed groove, a plurality of lower connecting blind holes are formed in the groove bottom of the preformed groove, each lower connecting blind hole is connected with a corresponding lower sleeve assembly, each lower sleeve assembly comprises a lower sleeve and a clamping ring, the lower sleeves are connected into the lower connecting blind holes, the top ends of the lower sleeves are flush with the top end of the foundation bottom plate, and the clamping rings are clamped in the lower sleeves;
when the bottom end of the prefabricated column is connected to the foundation bottom plate, the lower part of the connecting pull rod extends into the lower sleeve and is tightly wrapped by the clamping ring.
2. A dry connecting structure of a modular cassette building precast column and a foundation slab according to claim 1, wherein: the lower part of connecting the pull rod be the cone, the snap ring be the toper snap ring, the toper snap ring comprises a plurality of cardboards, a plurality of cardboards are split type structure, form the toper snap ring under a plurality of cardboard closure states, the external diameter of toper snap ring bottom equals the internal diameter of lower casing for toper snap ring bottom chucking is intraductal in lower casing, the lower part of connecting the pull rod stretches into in the lower casing and by toper snap ring parcel chucking.
3. A dry type connecting structure of the modular cassette construction precast column and the foundation slab according to claim 2, wherein: a plurality of cardboard of toper snap ring be steel sheet structure, the internal diameter at toper snap ring top is not more than the minimum external diameter of connecting the pull rod lower part.
4. A dry type connecting structure of the modular cassette construction precast column and the foundation slab according to claim 2, wherein: the clamping plates of the conical clamping rings are not less than four in number.
5. A dry connecting structure of the modular cassette building precast column and the foundation slab according to claim 2, wherein: the side surface of the lower part of the connecting pull rod is a concave conical surface, and the side surface of the lower part of the connecting pull rod is in transition connection with the side surface of the upper part of the connecting pull rod through an inverted cone-shaped transition surface.
6. A dry connecting structure of the modular cassette building precast column and the foundation slab according to claim 2, wherein: the utility model discloses a taper clamp ring, including taper clamp ring, lower sleeve pipe, the top of taper clamp ring, the lateral wall that is close to the bottom on be provided with the fixture block of two radial symmetries, set up the bar draw-in groove of having put two radial symmetries on the inner wall of lower sleeve pipe, the notch of two bar draw-in grooves is relative, the top of two bar draw-in grooves all link up the top of lower sleeve pipe, when the taper clamp ring card was arranged in the lower sleeve pipe, two fixture blocks on the taper clamp ring blocked respectively and were arranged in two bar draw-in grooves.
7. A dry type connecting structure of the modular cassette construction precast column and the foundation slab according to claim 1, wherein: the prefabricated column is prefabricated with an upper threaded steel bar extending into the upper connecting blind hole, and the internal thread on the upper part of the upper sleeve is connected to the upper threaded steel bar in a threaded manner.
8. A dry connecting structure of a modular cassette building precast column and a foundation slab according to claim 1, wherein: the foundation slab on prefabricated have the lower twisted steel who stretches into in the lower connection blind hole, the inner wall of lower sleeve pipe lower part is provided with the internal thread, the internal thread threaded connection of lower sleeve pipe lower part is on lower twisted steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211340214.4A CN115492249A (en) | 2022-10-29 | 2022-10-29 | Dry-type connection structure of prefabricated post of modularization box-type building and foundation slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211340214.4A CN115492249A (en) | 2022-10-29 | 2022-10-29 | Dry-type connection structure of prefabricated post of modularization box-type building and foundation slab |
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| Publication Number | Publication Date |
|---|---|
| CN115492249A true CN115492249A (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211340214.4A Pending CN115492249A (en) | 2022-10-29 | 2022-10-29 | Dry-type connection structure of prefabricated post of modularization box-type building and foundation slab |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352471A (en) * | 2013-07-19 | 2013-10-16 | 中国建筑股份有限公司 | Container prefabricated house assembling type steel reinforced concrete single-double-column foundation and construction method thereof |
| WO2018214477A1 (en) * | 2017-05-24 | 2018-11-29 | 华南理工大学 | Prefabricated dual-steel-tube concrete shear wall, and assembly method therefor |
| CN111894146A (en) * | 2020-06-23 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Prefabricated wallboard splicing piece of assembled based on interior enlarged pipe socket joint |
| CN211874116U (en) * | 2019-10-15 | 2020-11-06 | 河北招贤新型建材科技有限公司 | Assembled enclosure |
| CN114855876A (en) * | 2022-06-08 | 2022-08-05 | 青岛中科坤泰装配建筑科技有限公司 | Prefabricated double-layer integrated column for underground structure and construction method thereof |
-
2022
- 2022-10-29 CN CN202211340214.4A patent/CN115492249A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352471A (en) * | 2013-07-19 | 2013-10-16 | 中国建筑股份有限公司 | Container prefabricated house assembling type steel reinforced concrete single-double-column foundation and construction method thereof |
| WO2018214477A1 (en) * | 2017-05-24 | 2018-11-29 | 华南理工大学 | Prefabricated dual-steel-tube concrete shear wall, and assembly method therefor |
| CN211874116U (en) * | 2019-10-15 | 2020-11-06 | 河北招贤新型建材科技有限公司 | Assembled enclosure |
| CN111894146A (en) * | 2020-06-23 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Prefabricated wallboard splicing piece of assembled based on interior enlarged pipe socket joint |
| CN114855876A (en) * | 2022-06-08 | 2022-08-05 | 青岛中科坤泰装配建筑科技有限公司 | Prefabricated double-layer integrated column for underground structure and construction method thereof |
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