CN210316009U - Adjustable rotary type bearing node structure for connecting precast concrete external wall panel and steel beam - Google Patents
Adjustable rotary type bearing node structure for connecting precast concrete external wall panel and steel beam Download PDFInfo
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- CN210316009U CN210316009U CN201920805507.2U CN201920805507U CN210316009U CN 210316009 U CN210316009 U CN 210316009U CN 201920805507 U CN201920805507 U CN 201920805507U CN 210316009 U CN210316009 U CN 210316009U
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Abstract
The utility model relates to an adjustable rotary type bearing node structure for connecting a precast concrete external wallboard and a steel beam, which comprises a precast concrete external wallboard, wherein the precast concrete external wallboard is connected with a main body structure through a steel bracket structure; the steel bracket structure comprises a steel bracket body, wherein a vertical steel plate of the steel bracket body is parallel to the precast concrete external wallboard, two sides of a central line, perpendicular to a transverse bottom plate, of the vertical steel plate are symmetrically provided with a U-shaped groove and a round hole, a rotatable connecting structure is installed in the U-shaped groove, and a horizontal positioning structure is installed in the round hole; the transverse bottom plate of the steel bracket body is provided with a large round hole, a bearing structure is arranged in the large round hole, a pre-embedded structure is arranged in the concrete floor, and the bearing structure is fixed with the steel beam through the pre-embedded structure; the utility model discloses the atress is simple clear and definite, and the elevation and the horizontal plane position of precast concrete externally-hung wallboard are adjustable, the site operation installation of being convenient for.
Description
Technical Field
The utility model relates to an adjustable rotation type precast concrete externally-hung wallboard and girder steel connection bearing node structure belongs to assembled structure technical field.
Background
The precast concrete outer-hanging wall panel is suitable for outer wall engineering of industrial and civil buildings, and is also applied to a certain degree in China in recent years along with the development of assembly buildings.
According to different motion modes, the prefabricated concrete external wall panel can be divided into a rotary type, a translation type and a fixed type; the rotary type external wall board can rotate in a plane under the action of wind load or earthquake, and the external wall board can release node internal force generated by the action of the temperature of the external wall board and adapt to the deformation of a main body structure, so that additional internal force is not generated; the point-supporting external wall-hung panel has the advantages of definite stress of wall panel components and connecting nodes, complete adaptation to the deformation of a main body structure, simple and convenient construction and installation, controllable precision and quality and the like.
Therefore, the rotary type external wall panel is widely applied to office public buildings, the lower node of the rotary type external wall panel is used as a bearing node, and the rotary type external wall panel has a pulling effect on the wall panel outside the plane, so that the wall panel is prevented from falling off, the upper node is only used as a pulling node, and the gravity load is not borne, so that the problems that the prefabricated concrete external wall panel deforms unevenly on the node when rotating and cannot meet the deformation requirement of the prefabricated concrete external wall panel easily occur.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bearing node structure is connected with girder steel to adjustable rotation type precast concrete externally-hung wallboard, the atress is simple clear and definite, and the elevation and the horizontal plane position of precast concrete externally-hung wallboard are adjustable, the site operation installation of being convenient for.
The utility model provides a technical scheme that its technical problem adopted is:
an adjustable rotary type bearing node structure for connecting a precast concrete externally-hung wallboard and a steel beam comprises the precast concrete externally-hung wallboard, wherein the precast concrete externally-hung wallboard is connected with a main body structure through a steel bracket structure;
the steel bracket structure comprises a steel bracket body, wherein a vertical steel plate of the steel bracket body is parallel to the precast concrete external wallboard, two sides of a central line, perpendicular to a transverse bottom plate, of the vertical steel plate are symmetrically provided with a U-shaped groove and a round hole, a rotatable connecting structure is installed in the U-shaped groove, and a horizontal positioning structure is installed in the round hole;
the transverse bottom plate of the steel bracket body is provided with a large round hole, a bearing structure is arranged in the large round hole, a pre-embedded structure is arranged in the concrete floor, and the bearing structure is fixed with the steel beam through the pre-embedded structure;
as a further preference of the utility model, a wallboard embedded steel plate is installed in the side wall of the precast concrete external wallboard adjacent to the steel bracket structure, and an embedded bolt connecting piece is embedded in the precast concrete external wallboard and is vertically arranged with the inner side of the wallboard embedded steel plate by welding;
two open ends of the C-shaped anchoring steel bar are symmetrically fixed on the inner side of the wallboard embedded steel plate by welding, and the connecting piece horizontally anchors the steel bar and penetrates through the embedded bolt connecting piece;
the rotatable connecting structure comprises a tie bolt, one end of the tie bolt penetrates through a U-shaped groove of a vertical steel plate of the steel bracket body, a U-shaped gasket and a backing plate are sequentially laid in the U-shaped groove, the U-shaped gasket is welded with the vertical steel plate of the steel bracket body, the other end of the tie bolt is inserted and connected into a pre-buried bolt connecting piece, the tie bolt is fixed through a tie nut, and the tie nut is abutted against and welded with the backing plate;
as a further preferred feature of the present invention, the horizontal positioning structure includes a horizontal positioning bolt, one end of which passes through the circular hole and the other end of which abuts against the pre-embedded steel plate of the wall plate;
as a further preference of the utility model, the bearing structure comprises a connecting piece welded at the bottom of the transverse bottom plate of the steel corbel body through a fillet weld, and a through connecting piece round hole is formed in the connecting piece and is coaxial with the big round hole;
the bearing bolt is also included, and a thread matched with the bearing bolt is arranged in the round hole of the connecting piece;
the concrete floor is characterized by further comprising a channel steel, wherein the channel steel is fixed on the surface of the concrete floor, a channel steel round hole is formed in the flange of the channel steel, one end of a bearing bolt sequentially penetrates through a connecting piece and a large round hole of the transverse bottom plate and is fixed through a bearing nut, and the other end of the bearing bolt is inserted into the channel steel round hole;
as a further preference of the utility model, the pre-buried structure comprises a floor pre-buried steel plate which is buried in the side wall of the floor adjacent to the steel corbel body, the surface of the floor pre-buried steel plate is in contact with and welded with the channel steel, and at least one floor pre-buried steel bar is simultaneously connected with the upper flange vertical connection of the floor pre-buried steel plate and the steel beam;
as a further preference of the utility model, the diameter of the round hole of the channel steel is larger than the diameter of the bearing bolt by 5mm, and a round baffle is sleeved on one end of the bearing bolt inserted in the round hole of the channel steel;
the diameter of the large round hole on the transverse bottom plate is 5mm larger than that of the bearing bolt;
as the utility model discloses a further preferred, the backing plate is established to the one end cover simultaneously that drawknot nut was established to the drawknot bolt cover, backing plate surface mounting drawknot nut.
Through above technical scheme, for prior art, the utility model discloses following beneficial effect has:
1. the utility model can realize free movement up and down between the bearing bolt and the steel beam of the main body structure, and realizes the requirement of the precast concrete external wallboard on the node deformation during rotation;
2. the round baffle is arranged, so that the bearing bolt is prevented from being pulled out when the precast concrete external wallboard rotates;
3. the tie bolt and the bearing bolt are arranged in the same node structure, so that the structure is simple, and the stress requirements in the vertical direction and the horizontal direction are met;
4. when the precast concrete external wallboard is hoisted, the vertical elevation and the horizontal positioning can be adjusted on site through the arrangement of the bearing bolt and the horizontal positioning bolt, and the construction error is allowed to be larger.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic overall structure diagram of a preferred embodiment of the present invention;
FIG. 2 is a top view of the overall structure of the preferred embodiment of the present invention;
FIG. 3 is a schematic view of a steel corbel structure according to a preferred embodiment of the invention;
fig. 4 is a schematic structural view of a pre-buried connector according to a preferred embodiment of the present invention, in which 4a is a top view thereof and 4b is a side view thereof.
In the figure: the prefabricated concrete external wallboard comprises a prefabricated concrete external wallboard 1, a steel corbel body 2, a steel beam 3, a steel channel 4, a connecting piece 5, a bearing bolt 6, a bearing nut 7, a circular baffle 8, a concrete floor 9, a floor embedded steel bar 10, a floor embedded steel plate 11, a wall embedded steel plate 12, an embedded bolt connecting piece 13, a connecting piece horizontal anchoring steel bar 14, a C-shaped anchoring steel bar 15, a tie bolt 16, a U-shaped gasket 17, a backing plate 18, a tie nut 19 and a horizontal positioning bolt 20.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 to 4, the present invention includes the following characteristic components: the prefabricated concrete external wallboard comprises a prefabricated concrete external wallboard 1, a steel corbel body 2, a steel beam 3, a steel channel 4, a connecting piece 5, a bearing bolt 6, a bearing nut 7, a circular baffle 8, a concrete floor 9, a floor embedded steel bar 10, a floor embedded steel plate 11, a wall embedded steel plate 12, an embedded bolt connecting piece 13, a connecting piece horizontal anchoring steel bar 14, a C-shaped anchoring steel bar 15, a tie bolt 16, a U-shaped gasket 17, a backing plate 18, a tie nut 19 and a horizontal positioning bolt 20.
As shown in fig. 1, the adjustable rotary type precast concrete external wall panel and steel beam connection bearing node structure of the utility model comprises a precast concrete external wall panel, wherein the precast concrete external wall panel is connected with a main body structure through a steel bracket structure;
example 1:
as shown in fig. 2, the steel corbel structure includes a steel corbel body, wherein a vertical steel plate of the steel corbel body is parallel to a precast concrete external wallboard, U-shaped grooves and circular holes are symmetrically formed in two sides of a central line perpendicular to the vertical steel plate and a transverse bottom plate, a rotatable connecting structure is installed in each U-shaped groove, and a horizontal positioning structure is installed in each circular hole;
mounting a wallboard embedded steel plate in the side wall of the precast concrete external wallboard adjacent to the steel bracket structure, embedding an embedded bolt connecting piece in the precast concrete external wallboard, and vertically arranging the embedded bolt connecting piece and the inner side of the wallboard embedded steel plate through welding;
two open ends of the C-shaped anchoring steel bar are symmetrically fixed on the inner side of the wallboard embedded steel plate by welding, and the connecting piece horizontally anchors the steel bar and penetrates through the embedded bolt connecting piece;
the rotatable connecting structure comprises a tie bolt, one end of the tie bolt penetrates through a U-shaped groove of a vertical steel plate of the steel bracket body, a U-shaped gasket and a backing plate are sequentially laid in the U-shaped groove, the U-shaped gasket is welded with the vertical steel plate of the steel bracket body, the other end of the tie bolt is inserted and connected into a pre-buried bolt connecting piece, the tie bolt is fixed through a tie nut, and the tie nut is abutted against and welded with the backing plate;
the horizontal positioning structure comprises a horizontal positioning bolt, one end of the horizontal positioning bolt penetrates through the round hole, and the other end of the horizontal positioning bolt is abutted to the wallboard embedded steel plate;
the horizontal positioning bolt is rotated, so that the distance between the precast concrete external wallboard and the main structure in the horizontal direction can be adjusted, and the error in the construction process can be reduced;
one end of the drawknot bolt, which is sleeved with the drawknot nut, is sleeved with the backing plate, and the drawknot nut is arranged on the surface of the backing plate;
example 2:
as shown in fig. 3, a large circular hole is formed in a transverse bottom plate of the steel corbel body, a bearing structure is installed in the large circular hole, a pre-embedded structure is arranged in a concrete floor, and the bearing structure is fixed with a steel beam through the pre-embedded structure;
the bearing structure comprises a connecting piece welded at the bottom of the transverse bottom plate of the steel corbel body through a fillet weld, and a through connecting piece round hole is formed in the connecting piece and is coaxial with the big round hole;
the bearing bolt is also included, and a thread matched with the bearing bolt is arranged in the round hole of the connecting piece;
the concrete floor is characterized by further comprising a channel steel, wherein the channel steel is fixed on the surface of the concrete floor, a channel steel round hole is formed in the flange of the channel steel, one end of a bearing bolt sequentially penetrates through a connecting piece and a large round hole of the transverse bottom plate and is fixed through a bearing nut, and the other end of the bearing bolt is inserted into the channel steel round hole;
the elevation of the precast concrete external wallboard is controlled by rotating the bearing nut, so that the design requirement is met;
as shown in fig. 4, the pre-buried structure includes a floor pre-buried steel plate, which is buried in a side wall of the floor adjacent to the steel corbel body, and the surface of the floor pre-buried steel plate contacts with the channel steel, and at least one floor pre-buried steel bar is vertically and directly connected with the upper flanges of the floor pre-buried steel plate and the steel beam;
in the above description, the diameter of the round hole of the channel steel is greater than the diameter of the bearing bolt by 5mm, and a round baffle is sleeved at one end of the bearing bolt inserted in the round hole of the channel steel;
the diameter of the large round hole on the transverse bottom plate is 5mm larger than that of the bearing bolt;
example 3:
the specific construction process of the node structure comprises the following steps:
the first step is as follows: the early construction preparation comprises the steps that a connecting piece is welded at the bottom of a transverse bottom plate of a steel bracket body through a fillet weld, a through connecting piece round hole is formed in the connecting piece, the connecting piece round hole and a large round hole of the transverse bottom plate are coaxially arranged, threads matched with bearing bolts are arranged in the connecting piece round hole, a channel steel round hole is formed in a channel steel, the bottom of the channel steel and a floor slab embedded steel plate embedded in a concrete floor slab are welded and fixed through the fillet weld,
the vertical steel plate of the steel bracket body is symmetrically provided with U-shaped grooves and round holes by taking a central line vertical to the transverse bottom plate of the steel bracket body as a reference,
embedding a pre-buried bolt connecting piece in the precast concrete external wall panel;
the second step is that: hoisting construction, namely hoisting the precast concrete external wallboard in place, wherein the circular hole of the channel steel is coaxially corresponding to the large circular hole of the transverse bottom plate, one end of a bearing bolt is sequentially screwed into the connecting piece and the large circular hole of the transverse bottom plate, the other end of the bearing bolt is inserted into the circular hole of the channel steel, and the other end of the bearing bolt is simultaneously sleeved with a circular baffle;
thirdly, positioning and adjusting, namely controlling the elevation of the precast concrete external wallboard by rotating the bearing bolt to enable the elevation to reach the design requirement, screwing a horizontal positioning bolt into the round hole of the vertical steel plate, and controlling the horizontal distance between the precast concrete external wallboard and the main structure by rotating the horizontal positioning bolt;
the fourth step: in the U type recess of the vertical steel sheet of steel bracket body was passed to drawknot bolt one end, in its other end screw in embedded bolt connecting piece, lay U type gasket, backing plate in order simultaneously in U type recess, U type gasket and the vertical steel sheet welding of steel bracket body, drawknot bolt is fixed through the drawknot nut, and drawknot bolt offsets and welded connection with the backing plate.
Compared with the traditional method, the tie bolt and the bearing bolt are unified in one node, the structure is simple, the vertical and horizontal stress requirements are met, and the stress is balanced; the bearing bolt and the main steel beam can freely move up and down, and the baffle plate is arranged to prevent the bearing bolt from being pulled out, so that the deformation requirement of the prefabricated concrete external wallboard on the node during rotation is met; when the precast concrete external wallboard is hoisted, the vertical elevation and the horizontal direction can be adjusted on site, and the construction error is allowed to be larger.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides an adjustable rotation type precast concrete externally-hung wallboard and girder steel connection bearing node structure, includes precast concrete externally-hung wallboard, its characterized in that: the precast concrete external wallboard is connected with the main body structure through a steel bracket structure;
the steel bracket structure comprises a steel bracket body, wherein a vertical steel plate of the steel bracket body is parallel to the precast concrete external wallboard, two sides of a central line, perpendicular to a transverse bottom plate, of the vertical steel plate are symmetrically provided with a U-shaped groove and a round hole, a rotatable connecting structure is installed in the U-shaped groove, and a horizontal positioning structure is installed in the round hole;
big round hole is seted up to the horizontal bottom plate of steel corbel body, installs bearing structure in it, is equipped with embedded structure in concrete floor, and bearing structure passes through embedded structure and fixed with the girder steel.
2. The adjustable rotary precast concrete externally-hung wall panel and steel beam connection bearing node structure of claim 1, wherein: mounting a wallboard embedded steel plate in the side wall of the precast concrete external wallboard adjacent to the steel bracket structure, embedding an embedded bolt connecting piece in the precast concrete external wallboard, and vertically arranging the embedded bolt connecting piece and the inner side of the wallboard embedded steel plate through welding;
two open ends of the C-shaped anchoring steel bar are symmetrically fixed on the inner side of the wallboard embedded steel plate by welding, and the connecting piece horizontally anchors the steel bar and penetrates through the embedded bolt connecting piece;
rotatable connection structure includes the drawknot bolt, and in U type recess of the vertical steel sheet of steel bracket body was passed to its one end, U type gasket, backing plate were laid in order in U type recess simultaneously, and U type gasket welds with the vertical steel sheet of steel bracket body, and its other end is inserted and is established and connect in pre-buried bolted connection spare, and the drawknot bolt is fixed through the drawknot nut, and the drawknot nut offsets and welded connection with the backing plate.
3. The adjustable rotary precast concrete externally-hung wall panel and steel beam connection bearing node structure of claim 2, wherein: the horizontal positioning structure comprises a horizontal positioning bolt, one end of the horizontal positioning bolt penetrates through the round hole, and the other end of the horizontal positioning bolt is abutted to the embedded steel plate of the wallboard.
4. The adjustable rotary precast concrete externally-hung wall panel and steel beam connection bearing node structure of claim 1, wherein: the bearing structure comprises a connecting piece welded at the bottom of the transverse bottom plate of the steel corbel body through a fillet weld, and a through connecting piece round hole is formed in the connecting piece and is coaxial with the big round hole;
the bearing bolt is also included, and a thread matched with the bearing bolt is arranged in the round hole of the connecting piece;
the concrete floor is characterized by further comprising a channel steel, the channel steel is fixed to the surface of the concrete floor, a channel steel round hole is formed in the flange of the channel steel, one end of a bearing bolt penetrates through a large round hole of the connecting piece and the transverse bottom plate in sequence and is fixed through a bearing nut, the other end of the bearing bolt is inserted into the channel steel round hole, the diameter of the channel steel round hole is larger than that of the bearing bolt, and the diameter of the large round hole in the transverse bottom plate is larger than that of.
5. The adjustable rotary precast concrete externally-hung wall panel and steel beam connection bearing node structure of claim 4, wherein: the embedded structure comprises a floor embedded steel plate, the floor embedded steel plate is embedded in the side wall of the floor adjacent to the steel bracket body, the surface of the floor embedded steel plate is in contact with the channel steel and is in welded connection with the channel steel, and at least one floor embedded steel bar is perpendicularly connected with the upper flange of the floor embedded steel plate and the upper flange of the steel beam.
6. The adjustable rotary precast concrete externally-hung wall panel and steel beam connection bearing node structure of claim 4, wherein: the diameter of the round hole of the channel steel is 5mm larger than that of the bearing bolt, and a round baffle is sleeved at one end of the bearing bolt inserted in the round hole of the channel steel;
the diameter of the large round hole on the transverse bottom plate is 5mm larger than that of the bearing bolt.
7. The adjustable rotary precast concrete externally-hung wall panel and steel beam connection bearing node structure of claim 2, wherein: the end of the drawknot bolt, which is sleeved with the drawknot nut, is sleeved with the backing plate, and the drawknot nut is arranged on the surface of the backing plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805507.2U CN210316009U (en) | 2019-05-31 | 2019-05-31 | Adjustable rotary type bearing node structure for connecting precast concrete external wall panel and steel beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920805507.2U CN210316009U (en) | 2019-05-31 | 2019-05-31 | Adjustable rotary type bearing node structure for connecting precast concrete external wall panel and steel beam |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258816A (en) * | 2019-05-31 | 2019-09-20 | 南京长江都市建筑设计股份有限公司 | Adjustable rotary precast concrete out-hung panel connect load-bearing node structure and construction method with girder steel |
| CN111395576A (en) * | 2020-04-27 | 2020-07-10 | 同济大学建筑设计研究院(集团)有限公司 | Wallboard connecting assembly and wallboard mounting structure |
| CN112746690A (en) * | 2021-01-18 | 2021-05-04 | 江海红 | Connecting structure and connecting method of assembled plates |
| CN113356424A (en) * | 2021-06-24 | 2021-09-07 | 昌大建筑科技有限公司 | Construction method for prefabricating external wall panel |
-
2019
- 2019-05-31 CN CN201920805507.2U patent/CN210316009U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258816A (en) * | 2019-05-31 | 2019-09-20 | 南京长江都市建筑设计股份有限公司 | Adjustable rotary precast concrete out-hung panel connect load-bearing node structure and construction method with girder steel |
| CN110258816B (en) * | 2019-05-31 | 2024-04-02 | 南京长江都市建筑设计股份有限公司 | Adjustable rotary type prefabricated concrete externally-hung wallboard and steel beam connection bearing node structure and construction method |
| CN111395576A (en) * | 2020-04-27 | 2020-07-10 | 同济大学建筑设计研究院(集团)有限公司 | Wallboard connecting assembly and wallboard mounting structure |
| CN112746690A (en) * | 2021-01-18 | 2021-05-04 | 江海红 | Connecting structure and connecting method of assembled plates |
| CN113356424A (en) * | 2021-06-24 | 2021-09-07 | 昌大建筑科技有限公司 | Construction method for prefabricating external wall panel |
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