CN113833120B - Connection structure of assembled precast concrete shear wall and girder steel - Google Patents
Connection structure of assembled precast concrete shear wall and girder steel Download PDFInfo
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- CN113833120B CN113833120B CN202111004300.3A CN202111004300A CN113833120B CN 113833120 B CN113833120 B CN 113833120B CN 202111004300 A CN202111004300 A CN 202111004300A CN 113833120 B CN113833120 B CN 113833120B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 239000011178 precast concrete Substances 0.000 title description 8
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 description 10
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Classifications
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- 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
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
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- 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
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- 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
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The application discloses a connecting structure of an assembled concrete precast shear wall and a steel beam, which comprises the assembled concrete precast shear wall and an I-shaped beam, wherein the I-shaped beam comprises an upper wing plate, a lower wing plate and a web plate, a positioning groove is formed in the side surface of the assembled concrete precast shear wall, and one end of the I-shaped beam is inserted into the positioning groove; the connecting structure also comprises two connecting devices, and the two connecting devices are positioned in the positioning groove and are respectively arranged on two sides of the web plate; the connecting device comprises a fixing piece, a moving assembly and a power assembly, the fixing piece is fixed on the web, the moving assembly is movably connected with the fixing piece, the moving assembly is abutted to the side face of the positioning groove, one end of the power assembly is connected with the fixing piece, the other end of the power assembly is connected with the moving assembly, and the power assembly can give a force to the moving assembly towards the side face of the positioning groove. Through set up connecting device in web both sides and connect, make between girder steel and the positioning groove more firm, more accord with assembly type structure theory.
Description
Technical Field
The invention relates to the technical field of fabricated buildings, in particular to a connecting structure of a fabricated concrete prefabricated shear wall and a steel beam.
Background
Buildings assembled from prefabricated parts at the site are called fabricated buildings. The building block is divided into five types, namely a block building, a plate building, a box building, a framework plate building, a rising-rise building and the like according to the form and the construction method of the prefabricated part.
With the further development of the building industry, system integration is a necessary direction for building industrialization; the module division is a building structure assembled basic unit and is also a system integration carrier; and the component connection is the guarantee realized by the building assembly type system.
The shear wall is used as a wall body mainly bearing horizontal load and vertical load caused by wind load or earthquake load, and is particularly important to be connected with the steel beam. In the fabricated building, the connection between the precast concrete shear wall and the steel beam needs to be firm and stable, and meanwhile, the precast concrete shear wall is easy to mount and disassemble.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a connection structure for an assembled precast concrete shear wall and a steel beam, the connection structure connects the shear wall and the i-beam by directly inserting an end of the i-beam into a positioning groove precast by the precast concrete shear wall, and by respectively providing connection devices at both sides of a web plate, and the power assemblies at both sides all give a force to the moving assembly toward the side of the positioning groove, that is, the web plate receives two opposite forces at the same time, so that the connection between the i-beam and the positioning groove can be more compact and firm, and the i-beam can be supported by the shear wall by inserting the end of the i-beam into the positioning groove; and when prefabricating the shear wall, only the positioning groove needs to be prefabricated, other troublesome operations do not need to be carried out on the shear wall, and the structure idea of the fabricated building is better met.
In order to achieve the purpose, the invention provides a connecting structure of an assembled concrete precast shear wall and a steel beam, which comprises the assembled concrete precast shear wall and an I-shaped beam, wherein the I-shaped beam comprises an upper wing plate, a lower wing plate and a web plate; the connecting structure also comprises two connecting devices, and the two connecting devices are positioned in the positioning groove and are respectively arranged on two sides of the web plate; the connecting device comprises a fixing piece, a moving assembly and a power assembly, the fixing piece is fixed on the web, the moving assembly is movably connected with the fixing piece, the moving assembly is abutted to the side face of the positioning groove, one end of the power assembly is connected with the fixing piece, the other end of the power assembly is connected with the moving assembly, and the power assembly can give a force towards the side face of the positioning groove to the moving assembly. According to the invention, the end part of the I-shaped beam is directly inserted into the positioning groove prefabricated by the concrete prefabricated shear wall, the connecting devices are respectively arranged on the two sides of the web plate to connect the shear wall and the I-shaped beam, the power assemblies on the two sides all give forces to the moving assembly towards the side surface of the positioning groove, namely, the web plate simultaneously bears two opposite forces, so that the connection between the I-shaped beam and the positioning groove is more compact and firm, and the I-shaped beam can be supported by the shear wall when the end part of the I-shaped beam is inserted into the positioning groove; and when prefabricating the shear wall, only the positioning groove needs to be prefabricated, other troublesome operations do not need to be carried out on the shear wall, and the structure idea of the fabricated building is better met.
In one example, the fixing member includes a main fixing plate and a main fixing bolt, the main fixing plate is provided with a through hole, the web plate at the end of the i-shaped beam is correspondingly provided with a matching through hole, and the main fixing bolt penetrates through the through hole and the matching through hole to fix the main fixing plate to the web plate. Fix main fixed plate on the web through main fixing bolt, when actual operation, only need drill to the web, need not other operations, more simple and convenient swift and connect stably.
In one example, the fixing member further includes a rear fixing plate and an auxiliary fixing bolt, the rear fixing plate is perpendicular to the main fixing plate, the rear fixing plate is provided with an auxiliary through hole, a prefabricated nut is embedded in a side surface of the positioning groove, and the auxiliary fixing bolt penetrates through the auxiliary through hole and is in threaded connection with the prefabricated nut. When the rear fixing plate is perpendicular to the main fixing plate, the fixing piece is an L-shaped plate, the prefabricated nut and the auxiliary fixing bolt can further enhance the connection strength between the shear wall and the I-shaped beam, and the main fixing bolt and the auxiliary fixing bolt reinforce the shear wall and the I-shaped beam in two mutually perpendicular directions.
In one example, the moving assembly comprises a moving steel plate, the moving steel plate comprises opposite abutting surfaces and connecting surfaces, the connecting surfaces are connected with the power assembly, and the abutting surfaces abut against the side surfaces of the positioning grooves. The power assembly gives the force of moving the steel sheet towards the positioning groove side, and simultaneously, the power assembly also can give the force of mounting towards the web, makes the inseparable butt joint of the butt face of moving the steel sheet locating groove.
In an example, the inside of removing the steel sheet is provided with the cushion chamber, the intercommunication has been seted up to the butt face the buffer hole of cushion chamber, be provided with elastic buffer spare, limiting plate and ejector pin in the cushion chamber, elastic buffer spare's one end butt the inner wall of cushion chamber, other end butt the limiting plate, the limiting plate with ejector pin fixed connection, the ejector pin certainly the cushion chamber gets into in the cushion hole, elastic buffer spare can give the ejector pin to the power of buffer hole outer motion. The main material composition of precast concrete shear wall is concrete, and the main material of girder steel is steel, and the deformation that produces when both are heated or the circumstances such as atress is different, and complete rigid's connected mode easily causes concrete fracture, girder steel deformation or node connection not hard up scheduling problem when the node atress. Through setting up buffer hole and ejector pin at the butt face that removes the steel sheet, when the shear force wall of node takes place not in coordination with the girder steel and warp, elastic buffer spare accessible limiting plate gives the ejector pin to the power of buffer hole outward movement, makes the ejector pin continue to push up positioning groove's lateral wall, guarantees the connection stability of node.
In one example, the power assembly comprises a first nut, a second nut and a positive and negative screw rod, the first nut is fixed on the connecting surface of the movable steel plate, the second nut is fixed on the main fixing plate, one end of the positive and negative screw rod is in threaded connection with the first nut, and the other end of the positive and negative screw rod is in threaded connection with the second nut. When the positioning groove is installed, an operator can directly screw the positive and negative screw through the tool, so that the movable steel plate can move to the side wall of the positioning groove as soon as possible, and the operation is more convenient and quicker.
In one example, a limit strip is convexly arranged on the side surface of the positioning groove, the moving assembly abuts against the side surface of the positioning groove, and the moving assembly abuts against the limit strip. When the movable steel plate is abutted to the side wall of the positioning groove, the limiting strip can prevent the I-shaped beam from moving outwards the positioning groove, so that the connection between the shear wall and the I-shaped beam is more stable.
In one example, an elastic member is adhered to a side surface of the positioning groove, and the elastic member is located between the moving assembly and the side surface of the positioning groove. The elastic piece can also carry out certain regulation to the shear force wall and the girder steel of connected node when the two take place not deformation in coordination, avoids taking place the concrete fracture that the node of complete rigidity caused, girder steel warp scheduling problem. The elastic member may be made of a material such as a rubber gasket, which is easy to find.
In one example, the elastic buffer is provided as a compression spring. Other materials than compression springs may be used, such as rubber blocks.
In one example, the connecting structure further comprises two sealing plates, and the two sealing plates are located at the opening of the positioning groove and are respectively arranged on two sides of the web plate. After the shear wall and the steel beam are connected, the node can be sealed through the two sealing plates, so that the joint of the shear wall and the steel beam is more attractive, and meanwhile, the sealing plates can also protect the node to prevent the node from being exposed outside.
Drawings
The drawings described herein are only for assisting those skilled in the art in understanding the technical solutions of the present invention, and the exemplary embodiments of the present invention described in conjunction with the drawings are only for explaining the technical solutions of the present invention and do not constitute a limitation of the present invention. In the drawings:
fig. 1 is a sectional view of a connection structure of an assembled concrete precast shear wall and an i-shaped beam according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of another view of a connection structure of an assembled concrete precast shear wall and an i-shaped beam according to an embodiment of the present invention.
List of reference numerals:
the prefabricated shear wall comprises an assembled concrete prefabricated shear wall 1, an I-shaped beam 2, an upper wing plate 3, a lower wing plate 4, a web plate 5, a positioning groove 6, a main fixing plate 7, a main fixing bolt 8, a through hole 9, a matching through hole 10, a rear fixing plate 11, an auxiliary fixing bolt 12, an auxiliary through hole 13, a prefabricated nut 14, a movable steel plate 15, a butting surface 16, a connecting surface 17, a buffer cavity 18, a buffer hole 19, an elastic buffer component 20, a limiting plate 21, an ejector rod 22, a first nut 23, a second nut 24, a positive and negative tooth screw rod 25, a limiting strip 26, an elastic component 27 and a sealing plate 28.
Detailed Description
In order to more clearly explain the overall concept of the invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings, which are simply for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description of the present specification, reference to the description of the terms "one aspect," "some aspects," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.
As shown in fig. 1 to 2, the invention provides a connection structure of an assembled concrete precast shear wall and a steel beam, which comprises an assembled concrete precast shear wall 1 and an i-shaped beam 2, wherein the i-shaped beam 2 comprises an upper wing plate 3, a lower wing plate 4 and a web plate 5, a positioning groove 6 is formed in the side surface of the assembled concrete precast shear wall 1, and one end of the i-shaped beam 2 is inserted into the positioning groove 6; the connecting structure also comprises two connecting devices, wherein the two connecting devices are positioned in the positioning groove 6 and are respectively arranged at two sides of the web 5; the connecting device comprises a fixing piece, a moving assembly and a power assembly, the fixing piece is fixed on the web 5, the moving assembly is movably connected with the fixing piece, the moving assembly is abutted against the side face of the positioning groove 6, one end of the power 1 assembly is connected with the fixing piece, the other end of the power 1 assembly is connected with the moving assembly, and the power assembly can give a force to the moving assembly towards the side face of the positioning groove 6. According to the invention, the end part of the I-shaped beam 2 is directly inserted into the positioning groove 6 prefabricated by the concrete prefabricated shear wall 1, the connecting devices are respectively arranged on the two sides of the web plate 5 to connect the shear wall 1 and the I-shaped beam 2, the power assemblies on the two sides all give the force of the moving assembly towards the side surface of the positioning groove 6, namely, the web plate 5 simultaneously receives two opposite forces, so that the connection between the I-shaped beam 2 and the positioning groove 6 is more compact and firm, and the end part of the I-shaped beam 2 is inserted into the positioning groove 6 so that the I-shaped beam 2 can be supported by the shear wall 1; and when prefabricating the shear wall 1, only the positioning groove 6 needs to be prefabricated, other troublesome operations do not need to be carried out on the shear wall 1, and the construction idea of the fabricated building is better met.
In one embodiment, as shown in fig. 1 to 2, the fixing member includes a main fixing plate 7 and a main fixing bolt 8, the main fixing plate 7 is provided with a through hole 9, the web 5 at the end of the i-beam 2 is correspondingly provided with a matching through hole 10, and the main fixing bolt 8 passes through the through hole 9 and the matching through hole 10 to fix the main fixing plate 7 to the web 5. Fix main fixing plate 7 on web 5 through main fixing bolt 8, when actual operation, only need drill hole to web 5, need not other operations, more simple and convenient swift and connect stably.
In one embodiment, as shown in fig. 2, the fixing element further includes a rear fixing plate 11 and an auxiliary fixing bolt 12, the rear fixing plate 11 is disposed perpendicular to the main fixing plate 7, the rear fixing plate 11 is provided with an auxiliary through hole 13, a preformed nut 14 is embedded in a side surface of the positioning groove 6, and the auxiliary fixing bolt 12 passes through the auxiliary through hole 13 and is in threaded connection with the preformed nut 14. When the rear fixing plate 11 is perpendicular to the main fixing plate 7, the fixing member is an L-shaped plate, the connection strength between the shear wall 1 and the i-shaped beam 2 can be further enhanced by the precast nut 14 and the auxiliary fixing bolt 12, and the shear wall 1 and the i-shaped beam 2 are reinforced by the main fixing bolt 8 and the auxiliary fixing bolt 12 in two mutually perpendicular directions.
In a specific embodiment, as shown in fig. 1 to 2, the moving assembly comprises a moving steel plate 15, the moving steel plate 15 comprises an opposite abutting surface 16 and a connecting surface 17, the connecting surface 17 is connected with a power assembly, and the abutting surface 16 abuts against the side surface of the positioning groove 6. The power assembly gives the force to the moving steel plate 15 towards the side surface of the positioning groove 6, and simultaneously, the power assembly also gives the force to the fixing piece towards the web 5, so that the abutting surface 16 of the moving steel plate 15 is tightly abutted against the side wall of the positioning groove 6.
In one embodiment, as shown in fig. 1, a buffer cavity 18 is arranged inside the movable steel plate 15, a buffer hole 19 communicated with the buffer cavity 18 is formed in the abutting surface 16, an elastic buffer 20, a limiting plate 21 and a push rod 22 are arranged in the buffer cavity 18, one end of the elastic buffer 20 abuts against the inner wall of the buffer cavity 18, the other end of the elastic buffer abuts against the limiting plate 21, the limiting plate 21 is fixedly connected with the push rod 22, the push rod 22 enters the buffer hole 19 from the buffer cavity 18, and the elastic buffer 20 can give a force to the push rod 22 to move out of the buffer hole 19. The main material composition of precast concrete shear wall 1 is concrete, and the main material of girder steel is steel, and the deformation that both produced when the circumstances such as being heated or atress is different, and complete rigid's connected mode easily causes concrete fracture, girder steel deformation or nodal connection not hard up scheduling problem when the node atress. By arranging the buffer hole 19 and the ejector rod 22 on the abutting surface 16 of the movable steel plate 15, when the shear wall and the steel beam at the node are not deformed in coordination, the elastic buffer member 20 can give a force to the ejector rod 22 to move out of the buffer hole 19 through the limiting plate 21, so that the ejector rod 22 continuously pushes against the side wall of the positioning groove 6, and the connection stability at the node is ensured.
In one embodiment, as shown in fig. 1 to 2, the power assembly includes a first nut 23, a second nut 24 and a positive and negative lead screw 25, the first nut 23 is fixed on the connection surface 17 of the movable steel plate 15, the second nut 24 is fixed on the main fixing plate 7, one end of the positive and negative lead screw 25 is in threaded connection with the first nut 23, and the other end is in threaded connection with the second nut 24. When the installation is carried out, an operator can directly screw the positive and negative screw rod 25 through a tool, so that the movable steel plate 15 can move to the side wall of the positioning groove 6 as soon as possible, and the operation is simpler, more convenient and faster.
In one embodiment, as shown in fig. 2, a limit strip 26 protrudes from a side surface of the positioning groove 6, the moving component abuts against the side surface of the positioning groove 6, and the moving component abuts against the limit strip 26. When the movable steel plate 15 abuts against the side wall of the positioning groove 6, the limiting strip 26 can prevent the i-shaped beam 2 from moving towards the outside of the positioning groove 6, so that the connection between the shear wall 1 and the i-shaped beam 2 is more stable.
In one embodiment, as shown in fig. 1 to 2, the elastic member 27 is adhered to the side surface of the positioning groove 6, and the elastic member 27 is located between the moving member and the side surface of the positioning groove 6. The elastic part 27 can also adjust the shear wall and the steel beam at the connecting node to a certain extent when the shear wall and the steel beam are not deformed in cooperation, so that the problems of concrete cracking, steel beam deformation and the like caused by the completely rigid node are avoided. The elastic member 27 may be provided as a material such as a rubber gasket which is easy to find.
In one embodiment, as shown in fig. 1, the elastic buffer 20 is provided as a compression spring. Other materials than compression springs may be used, such as rubber blocks.
In one embodiment, as shown in fig. 2, the connecting structure further comprises two sealing plates 28, and the two sealing plates 28 are located at the opening of the positioning groove 6 and are respectively arranged at two sides of the web 5. After the shear wall 1 is connected with the steel beam, the node can be sealed through the two sealing plates 28, so that the joint of the shear wall 1 and the steel beam is more attractive, and meanwhile, the sealing plates 28 can also protect the node and prevent the node from being exposed outside.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A connecting structure of an assembled concrete precast shear wall and a steel beam comprises the assembled concrete precast shear wall and an I-shaped beam, wherein the I-shaped beam comprises an upper wing plate, a lower wing plate and a web plate;
the connecting structure also comprises two connecting devices, and the two connecting devices are positioned in the positioning groove and are respectively arranged on two sides of the web plate;
the connecting device comprises a fixing piece, a moving assembly and a power assembly, the fixing piece is fixed on the web plate, the moving assembly is movably connected with the fixing piece, the moving assembly abuts against the side face of the positioning groove, one end of the power assembly is connected with the fixing piece, the other end of the power assembly is connected with the moving assembly, and the power assembly can give a force to the moving assembly towards the side face of the positioning groove;
the fixing piece comprises a main fixing plate and a main fixing bolt, the main fixing plate is provided with a through hole, the web plate at the end part of the I-shaped beam is correspondingly provided with a matching through hole, and the main fixing bolt penetrates through the through hole and the matching through hole to fix the main fixing plate on the web plate;
the moving assembly comprises a moving steel plate, the moving steel plate comprises an abutting surface and a connecting surface which are opposite, the connecting surface is connected with the power assembly, and the abutting surface abuts against the side surface of the positioning groove;
a buffer cavity is arranged in the movable steel plate, a buffer hole communicated with the buffer cavity is formed in the abutting surface, an elastic buffer part, a limiting plate and an ejector rod are arranged in the buffer cavity, one end of the elastic buffer part abuts against the inner wall of the buffer cavity, the other end of the elastic buffer part abuts against the limiting plate, the limiting plate is fixedly connected with the ejector rod, the ejector rod enters the buffer hole from the buffer cavity, and the elastic buffer part can provide a force for the ejector rod to move out of the buffer hole;
the power assembly comprises a first nut, a second nut and a positive and negative screw rod, the first nut is fixed on the connecting surface of the moving steel plate, the second nut is fixed on the main fixing plate, one end of the positive and negative screw rod is in threaded connection with the first nut, and the other end of the positive and negative screw rod is in threaded connection with the second nut.
2. The connecting structure of the fabricated concrete precast shear wall and the steel beam according to claim 1, wherein the fixing member further comprises a rear fixing plate and an auxiliary fixing bolt, the rear fixing plate is arranged perpendicular to the main fixing plate, the rear fixing plate is provided with an auxiliary through hole, a precast nut is embedded in a side surface of the positioning groove, and the auxiliary fixing bolt penetrates through the auxiliary through hole and is in threaded connection with the precast nut.
3. The structure for connecting an assembled concrete precast shear wall and a steel beam according to claim 1, wherein a limit strip is protruded from a side surface of the positioning groove, the moving assembly abuts against the side surface of the positioning groove, and the moving assembly abuts against the limit strip.
4. The structure for connecting an assembled concrete precast shear wall and a steel beam according to claim 3, wherein an elastic member is adhered to a side surface of the positioning groove, and the elastic member is located between the moving assembly and the side surface of the positioning groove.
5. The connecting structure of the fabricated concrete precast shear wall and the steel beam according to claim 1, wherein the elastic buffer member is provided as a compression spring.
6. The connecting structure of an assembled concrete precast shear wall and a steel beam according to any one of claims 1 to 5, further comprising two sealing plates located at the opening of the positioning groove and disposed at both sides of the web plate, respectively.
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| CN202111004300.3A CN113833120B (en) | 2021-08-30 | 2021-08-30 | Connection structure of assembled precast concrete shear wall and girder steel |
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| CN202111004300.3A CN113833120B (en) | 2021-08-30 | 2021-08-30 | Connection structure of assembled precast concrete shear wall and girder steel |
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Denomination of invention: A connection structure between prefabricated concrete shear walls and steel beams Effective date of registration: 20230627 Granted publication date: 20220503 Pledgee: Qilu Bank Co.,Ltd. Dezhou Development Zone sub branch Pledgor: SANDONG ZHUGONG (DEZHOU) Co.,Ltd. Registration number: Y2023980045713 |
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