CN212689211U - Prefabricated column connecting joint for dry-type connection - Google Patents
Prefabricated column connecting joint for dry-type connection Download PDFInfo
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- CN212689211U CN212689211U CN202021724632.XU CN202021724632U CN212689211U CN 212689211 U CN212689211 U CN 212689211U CN 202021724632 U CN202021724632 U CN 202021724632U CN 212689211 U CN212689211 U CN 212689211U
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- prefabricated column
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Abstract
The utility model discloses a prefabricated post connected node for dry-type is connected, including prefabricated post body, its characterized in that: the lower end of the prefabricated column body is connected with a column and a column connecting piece, the column and the column connecting piece comprise an abdomen, an upper flange part and a lower flange part are arranged at the upper end and the lower end of the periphery of the abdomen respectively, and the lower flange part is used for being connected with a connecting part extending out of the upper end of another prefabricated column. During construction, hoisting the upper-layer prefabricated column, aligning a connecting part of an extending end of the body of the upper-layer prefabricated column to the lower flange part of the upper-layer prefabricated column, adjusting the verticality of the upper-layer prefabricated column, installing a bolt or a nut, and screwing the nut by using a special tool; grouting the gap between the upper-layer column and the lower-layer column and the bolt hand hole, maintaining to reach certain strength, and completing the connection between the prefabricated columns. The utility model discloses a design post and post connecting piece realize that the dry-type between the two prefabricated posts is connected, and on-the-spot reinforcing bar, template work load are little, and construction process is simple, easy operation, and the efficiency of construction is high, and the whole prefabrication rate of structure is high, and the degree of assemblability is high.
Description
Technical Field
The utility model relates to an assembly type structure technical field especially relates to a prefabricated post connected node for dry-type is connected.
Background
Since 2011 clearly proposes 'actively promoting building industrialization', the national academy intensively releases policy requirements for promoting building industrialization for many times. Under the high importance of the Chinese Central authorities and the State institutes, the development of the building industry of China is comprehensively subjected to structural adjustment and transformation upgrading, the development is started to the directions of greenization, industrialization, informatization and the like, the novel building industrialization which is mainly developed for the prefabricated building is greatly promoted, and a large number of prefabricated concrete structures are widely applied to building engineering. The prefabricated concrete structure generally means that building components are produced in advance in a factory, then transported to a construction site, and then assembled to form an integral structure, and has the advantages of flexible building space arrangement, high production efficiency, shorter construction period, good finished product quality, small environmental influence, sustainable development, less labor consumption and the like.
At present, most of prefabricated frames in the industry adopt solid column grouting sleeve connection, the requirement on precision control is high, the construction process is complex, the grouting compactness is difficult to detect, and the quality safety is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to above-mentioned prior art exists provides a construction of being convenient for, can improve the prefabricated post connected node that is used for the dry-type to connect of efficiency of construction.
The utility model discloses the technical scheme who adopts does: the utility model provides a prefabricated post connected node for dry-type is connected, includes prefabricated post body, its characterized in that: the lower end of the prefabricated column body is connected with a column and a column connecting piece, the column and the column connecting piece comprise an abdomen, an upper flange part and a lower flange part are arranged at the upper end and the lower end of the periphery of the abdomen respectively, the lower flange part is used for being connected with a connecting part extending out of the upper end of another prefabricated column through a bolt, concrete is filled in the abdomen, and grouting is performed between connecting nodes of the two prefabricated columns.
According to above-mentioned technical scheme, this internal steel reinforcement cage that is equipped with of prefabricated post, the steel reinforcement cage includes post stirrup and the vertical reinforcing bar of post, outside the capital that the prefabricated post body was stretched out to the vertical reinforcing bar upper end of post, constitute the connecting portion that links to each other with the prefabricated post bottom flange of upper strata, the lower extreme and the upper flange portion of the vertical reinforcing bar of post link to each other.
According to the technical scheme, the upper end of the column longitudinal steel bar is provided with threads, the lower flange is provided with a bolt penetrating hole, the upper end of the longitudinal steel bar penetrates through the bolt penetrating hole of the lower flange of the upper-layer prefabricated column, and the upper end of the longitudinal steel bar and the lower flange are connected through a bolt.
According to the technical scheme, the prefabricated column is a steel reinforced concrete column, and the section steel of the steel reinforced concrete column has a cross shape, a square tube shape, a round tube shape, a T shape, a straight shape or an L shape.
According to the technical scheme, the prefabricated column is a concrete-filled steel tubular column, and steel tubes in the prefabricated column body are round steel tubes and square steel tubes.
According to the technical scheme, the lower end of the steel pipe of the prefabricated column body is fixedly connected with the upper flange part, the upper end of the steel pipe extends out of the prefabricated column body, the upper end of the steel pipe is fixedly connected with a steel plate which is vertically arranged with the steel pipe, the connecting part is connected with the lower flange of the upper prefabricated column, and the steel plate is connected with the lower flange of the upper prefabricated column through a bolt.
According to the technical scheme, a plurality of stiffening ribs are arranged between the upper flange part and the lower flange part.
According to the technical scheme, the radial length of the stiffening rib is smaller than that of the upper flange or the lower flange.
According to the technical scheme, the belly of the column and column connecting piece is designed in a hollow mode.
A construction method of a prefabricated column connecting joint for dry connection is characterized in that: the method comprises the following construction steps:
s1, hoisting the prefabricated column component at a specified position;
s2, screwing leveling nuts on the column longitudinal steel bars extending out of the upper end of the prefabricated column to enable the nuts to be on the same horizontal plane;
s3, hoisting the upper-layer prefabricated column, aligning the extending steel bars of the column longitudinal steel bars of the upper-layer prefabricated column with the bolt penetrating holes on the column and column connecting pieces of the upper-layer prefabricated column, adjusting the verticality of the upper-layer prefabricated column, installing nuts, and screwing the nuts by using special tools;
and S4, grouting in the gap between the upper-layer column and the lower-layer column and the bolt hand hole, maintaining to reach certain strength, and completing the connection between the prefabricated columns. The utility model discloses the beneficial effect who gains does: the utility model discloses a design post and post connecting piece realize that the dry-type between the two prefabricated posts is connected, and on-the-spot reinforcing bar, template work load are little, and construction process is simple, easy operation, and the efficiency of construction is high, and the whole prefabrication rate of structure is high, and the degree of assemblability is high.
Drawings
Fig. 1 is a schematic structural view of a prefabricated column component for dry connection according to an embodiment of the present invention.
Fig. 2a-2c are schematic structural views of a column and a column connector according to an embodiment of the present invention.
Fig. 3 is a perspective view of a column and a column connector according to an embodiment of the present invention.
Fig. 4 is a diagram of a prefabricated column and a column connection node according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a prefabricated column component for dry connection according to an embodiment of the present invention.
Fig. 6 is a bottom view of the prefabricated post on the upper layer provided by the second embodiment of the present invention.
Fig. 7-9 are schematic structural views of a column and a column connector according to a second embodiment of the present invention.
Fig. 10 is a schematic cross-sectional view of a square concrete filled steel tubular column according to the second embodiment of the present invention.
FIG. 11 is a schematic cross-sectional view of a cross-ribbed square tubular concrete column of the second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
Example 1:
as shown in fig. 1, this embodiment provides a prefabricated column connected node for dry-type is connected, including prefabricated post body 1, is equipped with the steel reinforcement cage in prefabricated post body 1, the steel reinforcement cage includes post stirrup 12 and post longitudinal reinforcement 11, outside the capital of prefabricated post body was stretched out to post longitudinal reinforcement 11 upper end, be connected with post and post connecting piece at the lower tip of prefabricated post body. As shown in fig. 2 and 3, the column-column connector 14 of the present embodiment includes a web 142, and an upper flange 141 and a lower flange 143 at the upper and lower ends of the outer periphery of the web, respectively, the upper flange 141 is used for connecting with the column longitudinal steel bar, and the lower flange 143 is used for connecting with a connection part extending from the upper end of another prefabricated column.
Specifically, the present embodiment takes the column-column connecting member 14 as column pre-embedded section steel as an example for explanation. A plurality of threaded sleeves 13 are welded to the upper end of the upper flange portion of the column embedded section steel, and a plurality of bolt insertion holes are provided in the lower flange portion 141. The center part of the abdomen 142 of the embedded profile steel is in a hollow design, and concrete is filled inside the abdomen 142 of the embedded profile steel. The upper end and the lower end of the column longitudinal steel bar 11 are threaded respectively, the lower end of the longitudinal steel bar 11 is connected with a threaded sleeve 13, and the threaded sleeve 13 is welded with the column embedded section steel.
As shown in fig. 5, the prefabricated columns extend out of the threaded steel bars 15 through the lower prefabricated column to pass through the reserved bolt holes 143 of the embedded steel sections 14 of the upper prefabricated column, then the prefabricated columns are screwed tightly by the nuts 16 and 17 (located at the upper end and the lower end of the lower flange part 141), and then the non-shrinkage grouting material is used for filling gaps between the columns and the column slot openings to form reliable connection.
In this embodiment, a plurality of stiffening rib steel plates 144 may be further disposed between the upper and lower flange portions of the column pre-buried section steel 14 according to the stress requirement, and the radial length of the stiffening rib 144 is smaller than that of the upper flange or the lower flange, which facilitates the construction.
The construction method of the prefabricated column member connecting joint for dry connection is characterized by comprising the following steps of: the method comprises the following construction steps:
s1, hoisting the prefabricated column component at a specified position;
s2, screwing leveling nuts 14 (located below the lower flange part 141) on the steel bars 15 extending out of the end part of the prefabricated column 1b to enable the nuts 17 to be on the same horizontal plane;
s3, hoisting the upper-layer prefabricated column 1a, aligning the extending steel bars of the upper-layer prefabricated column 1b with the reserved holes 143 on the embedded steel 14 of the upper-layer prefabricated column, adjusting the verticality of the upper-layer prefabricated column 1a, installing a nut 16 (positioned above the lower flange part 241), and screwing the nut by using a special tool;
and S4, grouting in the gap between the upper-layer column and the lower-layer column and the bolt hand hole, maintaining to reach certain strength, and completing the connection between the prefabricated columns.
In addition, the prefabricated column can also be a steel reinforced concrete column, and the section steel of the steel reinforced concrete column has a cross shape, a square tube shape, a round tube shape, a T shape, a straight shape or an L shape and the like.
Example 2:
as shown in fig. 5 to 11, the embodiment provides a prefabricated column connection node for dry connection, the prefabricated column is a concrete-filled steel tubular column, and includes a prefabricated column body 2, a steel tube 21 is disposed in the prefabricated column body 2, concrete is poured into the steel tube 21, and a lower end connection column of the steel tube is connected with a column connection member 24. The steel pipe 21 is a round steel pipe, a square steel pipe, or a channel-type cross-ribbed square steel pipe (as shown in fig. 10 and 11), and in the present embodiment, a round steel pipe is used as an example. The column-to-column connector 24 in this embodiment includes a circular web 242 and upper and lower flanges 241 and 243 provided at upper and lower ends of the outer periphery of the web, respectively, the upper flange being adapted to be connected to the lower end of the steel pipe 21, and the lower flange being adapted to be connected to a connection portion extending from the upper end of another prefabricated column.
Specifically, the lower end of the steel pipe 21 is welded and fixed with the upper flange portion 241, the upper end of the steel pipe extends out of the prefabricated column body, the upper end of the steel pipe is fixedly connected with a steel plate 23 which is perpendicular to the steel pipe to form a connecting portion connected with the lower flange of the upper-layer prefabricated column, and the steel plate is connected with the lower flange of the upper-layer prefabricated column through bolts 26 by respectively arranging bolt penetrating holes 25 in the steel plate 23 and the lower flange.
In this embodiment, the column-column connector 24 is used as column pre-embedded section steel for illustration. The center part of the abdomen 242 of the embedded section steel is in a hollow design, concrete is filled in the abdomen, and the radial length of the stiffening rib 144 is smaller than that of the upper flange or the lower flange, so that construction is facilitated.
In this embodiment, a plurality of stiffening rib steel plates 244 may be further disposed between the upper flange portion and the lower flange portion of the column embedded section steel 24 according to the stress requirement, and the radial length of the stiffening rib 244 is smaller than that of the upper flange or the lower flange, which facilitates the construction.
The construction method of the prefabricated column member connecting joint for dry connection is characterized by comprising the following steps of: the method comprises the following construction steps:
s1, hoisting the prefabricated column component at a specified position;
s2, welding a steel plate which is perpendicular to the steel pipe extending out of the end part of the prefabricated column 2a at the upper end of the steel pipe, and arranging a circle of bolt penetrating holes around the steel plate;
s3, hoisting the upper-layer prefabricated column 2b, aligning the bolt through hole of the steel plate of the upper-layer prefabricated column 2a with the reserved hole 25 on the embedded steel section 24 of the upper-layer prefabricated column 2b, adjusting the verticality of the upper-layer prefabricated column 2b, installing a bolt, and screwing the nut 26 by using a special tool;
and S4, grouting in the gap between the upper-layer column and the lower-layer column and the bolt hand hole, maintaining to reach certain strength, and completing the connection between the prefabricated columns.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
Claims (9)
1. The utility model provides a prefabricated post connected node for dry-type is connected, includes prefabricated post body, its characterized in that: the lower end of the prefabricated column body is connected with a column and a column connecting piece, the column and the column connecting piece comprise an abdomen, an upper flange part and a lower flange part are arranged at the upper end and the lower end of the periphery of the abdomen respectively, the lower flange part is used for being connected with a connecting part extending out of the upper end of another prefabricated column through a bolt, concrete is filled in the abdomen, and grouting is performed between connecting nodes of the two prefabricated columns.
2. The prefabricated column connection node for dry connections of claim 1, wherein: this internal steel reinforcement cage that is equipped with of prefabricated post, the steel reinforcement cage includes post stirrup and the vertical reinforcing bar of post, outside the capital of the vertical reinforcing bar upper end of post stretching out prefabricated post body, constitute the connecting portion that links to each other with the prefabricated post bottom flange of upper strata, the lower extreme and the upper flange portion rigid coupling of the vertical reinforcing bar of post.
3. The prefabricated column connection node for dry connections of claim 2, wherein: the upper end of the column longitudinal steel bar is provided with threads, the lower flange is provided with a bolt penetrating hole, the upper end of the longitudinal steel bar penetrates through the bolt penetrating hole of the lower flange of the upper-layer prefabricated column, and the upper end of the longitudinal steel bar and the lower flange are connected through a bolt.
4. The prefabricated column connection node for dry connections according to claim 1 or 2, wherein: the prefabricated column is a steel reinforced concrete column, and the section steel of the steel reinforced concrete column has a cross shape, a square tube shape, a round tube shape, a T shape, a straight shape or an L shape.
5. The prefabricated column connection node for dry connections according to claim 1 or 2, wherein: the prefabricated column is a concrete-filled steel tubular column, and the steel tube in the prefabricated column body is a round steel tube or a square steel tube.
6. The prefabricated column connection node for dry connections of claim 5, wherein: the lower end of the steel pipe of the prefabricated column body is fixedly connected with the upper flange part, the upper end of the steel pipe extends out of the prefabricated column body, the upper end of the steel pipe is fixedly connected with a steel plate which is vertically arranged with the steel pipe, a connecting part connected with the lower flange of the upper prefabricated column is formed, and the steel plate is connected with the lower flange of the upper prefabricated column through a bolt.
7. The prefabricated column connection node for dry connections according to claim 1 or 2, wherein: a plurality of stiffening ribs are also arranged between the upper flange part and the lower flange part.
8. The prefabricated column connection node for dry connections of claim 7, wherein: the radial length of the stiffening rib is smaller than that of the upper flange or the lower flange.
9. The prefabricated column connection node for dry connections according to claim 1 or 2, wherein: the belly of post and post connecting piece is the fretwork formula design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724632.XU CN212689211U (en) | 2020-08-18 | 2020-08-18 | Prefabricated column connecting joint for dry-type connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724632.XU CN212689211U (en) | 2020-08-18 | 2020-08-18 | Prefabricated column connecting joint for dry-type connection |
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| Publication Number | Publication Date |
|---|---|
| CN212689211U true CN212689211U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021724632.XU Expired - Fee Related CN212689211U (en) | 2020-08-18 | 2020-08-18 | Prefabricated column connecting joint for dry-type connection |
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| CN (1) | CN212689211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323141A (en) * | 2021-07-09 | 2021-08-31 | 马海滨 | Novel assembled integral frame structure and construction method thereof |
-
2020
- 2020-08-18 CN CN202021724632.XU patent/CN212689211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323141A (en) * | 2021-07-09 | 2021-08-31 | 马海滨 | Novel assembled integral frame structure and construction method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210312 Termination date: 20210818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |