CN212001930U - Three-tube type steel bar connector suitable for steel bar connection between assembled concrete shear walls - Google Patents
Three-tube type steel bar connector suitable for steel bar connection between assembled concrete shear walls Download PDFInfo
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- CN212001930U CN212001930U CN202020000680.8U CN202020000680U CN212001930U CN 212001930 U CN212001930 U CN 212001930U CN 202020000680 U CN202020000680 U CN 202020000680U CN 212001930 U CN212001930 U CN 212001930U
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Abstract
The utility model relates to a three cast steel bar connector between assembled concrete shear force wall and construction method thereof, including connector main part (1), sleeve (2), thick gasket (3), connecting reinforcement (4) are treated to upper portion and connecting reinforcement (5) are treated to the lower part, connector main part (1) is three cast structure, upper portion is treated connecting reinforcement (4) from top to bottom and is worn the dress in upper portion reinforcing bar wears dress hole (9), the lower part is treated connecting reinforcement (5) and is worn the dress in lower part reinforcing bar wears dress hole (10) by supreme down, sleeve (2) and thick gasket (3) are installed to the reinforcing bar exposure end that stretches out in lower part reinforcing bar wears dress hole (10) upper end, connector main part (1) and upper portion are treated connecting reinforcement (4) and are pre-buried in upper portion assembled concrete shear force wall (12), the lower part is treated connecting reinforcement (5) and is pre-buried in lower part assembled concrete shear force wall (14). The connector reduces the lap joint length between the connecting reinforcing steel bars, is suitable for being installed quickly on a construction site, and improves the working efficiency.
Description
Technical Field
The utility model belongs to the technical field of the design and the construction of building industrialization, especially, relate to a three cast steel bar connectors when connecting between assembled concrete shear force wall and construction method thereof.
Background
With the rapid development of the social economy in China, the construction industry in China is also rapidly developed, and the number of assembled buildings is increasing day by day. At present, the assembly type building is vigorously developed in China, the extensive production and construction mode is changed into the industrialized production and construction mode, the building industrialization is the development trend of the building industry in China at present, the important step of realizing 'four-section one-environment-friendly' green building is realized, the important characteristic of the building industrialization is that building components are prefabricated and finished in factories as much as possible, the industrialized machinery and complete informatization management of the factories are fully utilized, and the quality of the components can be ensured due to the standardization of the construction and systematization of the management of the components prefabricated in the factories.
At present, the development level of domestic assembly type buildings is not high, the connection technology of the assembly type building reinforcing steel bars has wide development space, and the connection between the assembly type integral structural reinforcing steel bars is the key for ensuring the force transmission between prefabricated components and the integral performance of the structure.
At present, the reinforcing steel bar connection mode recommended by relevant national standards mainly comprises reinforcing steel bar grout anchor lap joint connection, metal sleeve grouting connection and reinforcing steel bar sleeve extrusion connection, for the reinforcing steel bar grout anchor lap joint connection, discontinuous reinforcing steel bar stress is transmitted to embedded reinforcing steel bars in prefabricated parts through grouting materials, pore channel materials (embedded pipeline pore-forming) and bonding stress among concrete, continuous force transmission of the reinforcing steel bars is realized, but the problems that the extending length of the reserved reinforcing steel bars is large, difficulty is caused to transportation and production, the using amount of the grouting materials is large, construction quality is seriously dependent on the quality of workers, construction quality is difficult to detect, stress cannot be immediately stressed after grouting, a large amount of supports are needed and the like exist, for the metal sleeve grouting connection, stress transmission is carried out among the discontinuous reinforcing steel bars through the grouting materials and the steel sleeves, but the cost of the steel sleeves is high, the construction is difficult, and the construction quality, the construction quality is difficult to detect, the prefabricated part cannot be stressed immediately after grouting and needs a large amount of support, the working principle of steel bar extrusion sleeve connection is to insert the ends of two steel bars to be connected into a steel sleeve, the steel sleeve is compressed by an extruder to generate plastic deformation, and the connection of the steel bars is realized by the occlusion fastening force between the deformed sleeve and the ribbed steel bars, but the connection mode also has a plurality of main problems, such as high cost, difficult construction, serious dependence on the quality of workers, difficult detection of the construction quality, large amount of support, poor fault tolerance and certain limitation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a three cast steel bar connection ware and construction method suitable for between assembled concrete shear force wall, the utility model discloses can turn into the connection that single reinforcing bar was united to the connection problem that needs two joints when the on-the-spot connection between upper portion and the lower part reinforcing bar, realize two muscle unifications, the efficiency of construction on the scene has been improved, this steel bar connection ware is on the basis of the tensile effective transmission between the reinforcing bar of assurance, the connector can realize about than short length tensile effective transmission between the reinforcing bar, technical requirement to constructor is lower, can reduce external human factor's interference, reduce the overlap joint length of reinforcing bar, moreover, the steam generator is simple in structure, the construction is simple and convenient, construction cost is low, construction quality easily guarantees.
The above object of the present invention is achieved by the following technical solutions: the utility model provides a three cast steel bar connector suitable for steel bar connection between assembled concrete shear force wall which characterized in that: the connector comprises a connector main body 1, a sleeve 2, a thick gasket 3, an upper part steel bar 4 to be connected and a lower part steel bar 5 to be connected, wherein the connector main body 1 is of a three-tube structure, three steel bar penetrating holes which are parallel to each other are formed in the connector main body 1, a middle steel tube 6 and two side steel tubes 7 are welded through a connecting plate 8 or integrally cast through a mold, the middle steel tube 6 is funnel-shaped and is used for penetrating and positioning the lower part steel bar 5, the steel bar penetrating holes on the two sides in the three-tube structure are upper steel bar penetrating holes 9, the steel bar penetrating holes in the middle of the connector are lower steel bar penetrating holes 10, the upper part steel bar 4 to be connected is penetrated and arranged in the upper part steel bar penetrating holes 9 from top to bottom, the upper part steel bar 4 to be connected is fixed through mutual engagement of a screw thread 16 at the end part of the upper part steel bar to be connected and a screw thread 11 reserved in the upper part steel bar penetrating holes, the lower part, the connector comprises a connector body 1, a connector body, a connector, a lower part connecting steel bar 5 and a lower part assembled concrete shear wall 14, wherein the lower part connecting steel bar 5, extending out of the upper end of a lower part steel bar penetrating hole 10, is exposed, is provided with a sleeve 2 and a thick gasket 3, the sleeve 2 and the lower part connecting steel bar 5 are connected through a lower part connecting steel bar end part screw thread 17, the connector body and the upper part connecting steel bar 4 are embedded in the upper part assembled concrete shear wall 12 to form a whole, a reserved opening 15 for arranging the sleeve 2 and the thick gasket 3 is arranged in the upper part assembled concrete shear wall 12 above the lower part steel bar penetrating hole 10, and the.
Furthermore, screw threads are arranged at the ends of the upper portion to-be-connected steel bar 4 and the lower portion to-be-connected steel bar 5, and screw threads are arranged in the upper portion steel bar penetrating hole 9 and the sleeve 2.
Further, the connector body 1 is formed by integral casting or three-tube welding.
Further, the middle steel pipe 6 is funnel-shaped.
Further, the inner diameter of the upper reinforcing steel bar penetrating hole 9 is matched with the diameter of the upper reinforcing steel bar to be connected 4, the inner diameter of the sleeve 2 is matched with the diameter of the lower reinforcing steel bar to be connected 5, and the inner diameter of the upper reinforcing steel bar penetrating hole 9 is smaller than the inner diameter of the lower reinforcing steel bar penetrating hole 10.
Further, a thick gasket 3 is arranged between the sleeve 2 and the steel bar connector body 1, the inner diameter of the thick gasket 3 is smaller than that of the steel bar penetrating hole 10 at the lower part, and the thickness of the gasket is 6-12 mm.
A construction method of a three-tube type steel bar connector suitable for steel bar connection between fabricated concrete shear walls is characterized by comprising the following steps:
the method comprises the following steps: in the mill with connector main part 1 and upper portion treat that connecting reinforcement 4 is pre-buried to upper portion assembled concrete shear force wall 12 in to treat connecting reinforcement 5 with the lower part and pre-buried to lower part assembled concrete shear force wall 14 in, specifically do:
firstly, the upper part steel bar 4 to be connected is penetrated into an upper part steel bar penetrating hole 9 on the connector main body 1 from top to bottom, the upper part steel bar 4 to be connected is fixedly connected with the connector main body 1 through a reserved screw thread, then the upper reinforcing bars 4 to be connected are put into a forming mold of the upper fabricated concrete shear wall 12 together with the connector body 1, respectively arranging a mold core and a module in and above the lower reinforcing steel bar through hole 10, then pouring concrete, taking out the mold core and the module after solidification, wherein the position of the taking-out module is a reserved opening 15 to form an upper assembled concrete shear wall 12, when the lower assembled concrete shear wall 14 is manufactured, the lower assembled concrete shear wall 14 is formed by placing the upper half section of the lower to-be-connected steel bar 5 in a mode of exposing the lower half section into a forming mold of the lower assembled concrete shear wall 14 and pouring concrete;
step two: connecting the upper assembled concrete shear wall 12 with the lower assembled concrete shear wall 14 on a construction site, specifically:
in a construction site, after the lower fabricated concrete shear wall 14 is installed in place, a mortar layer 13 is arranged at the upper end of the lower fabricated concrete shear wall 14, then the upper fabricated concrete shear wall 12 is lifted to the position above the lower fabricated concrete shear wall 14 to be aligned and lowered, so that the upper exposed section of the lower to-be-connected steel bar 5 penetrates into the lower steel bar penetrating hole 10 in the connector main body 1 from bottom to top, after the upper fabricated concrete shear wall 12 is stably contacted with the lower fabricated concrete shear wall 14, the thick gasket 3 and the sleeve 2 are installed in the reserved opening 15 in the upper fabricated concrete shear wall 12 and are fixedly connected with the exposed end of the lower to-be-connected steel bar 5.
The utility model discloses three cast steel bar connector's beneficial effect:
1. the utility model discloses three cast steel bar connector realize the pulling force transmission between three reinforcing bars through the connection space that three steel pipes formed, and the connector main part is equipped with three reinforcing bar and wears the dress hole, and the middle part steel pipe that needs wear the dress at the scene is hourglass hopper-shaped to connecting reinforcement wears the dress location at the job site in the lower part assembled concrete shear force wall.
2. The utility model discloses during connecting reinforcement was treated on upper portion penetrated the upper portion reinforcing bar and wears the dress hole from top to bottom, through the interlock of each other of the downthehole reservation screw thread of reinforcing bar tip and upper portion reinforcing bar, realize that upper portion treats that connecting reinforcement's is fixed, the lower part is treated connecting reinforcement from bottom to top and is penetrated the lower part reinforcing bar and wear the dress hole back, and the lower part is treated connecting reinforcement and is exposed the end and be connected through the screw thread with the sleeve, has reduced the degree of dependence of joint quality to the people, the utility model discloses the screw thread in the steel pipe is passed through to both sides, and the sleeve will be treated connecting reinforcement and steel pipe link to each other through the sleeve in the middle part, need not the grout.
3. The utility model discloses connector main part accessible casting integrated into one piece or through connecting plate welded fastening, improved the shear resistance of steel bar connector main part, the connector main part adopts the arc surface design, is favorable to avoiding the peripheral concrete stress concentration of connector and causes local destruction.
4. The utility model discloses three cast steel bar connector principles are simple, the utility model discloses can treat the connection problem that needs two joints when the on-the-spot connection between the connecting reinforcement with upper portion and lower part and turn into the connection of single reinforcing bar, realize two muscle unifications, the efficiency of construction on-the-spot is improved, the connector can realize under the length that compares the weak point about the tensile effective transmission between the reinforcing bar, the overlap joint length between the connecting reinforcement has been reduced, the construction is simple and convenient, the joint quality is low to the degree of dependence of people, low cost, easy to produce, can participate in certain atress immediately after connecting, construction speed is fast, be fit for installing fast at the job site, and the work efficiency is improved, and the high use value and wide popularization prospect are possessed.
5. The utility model discloses compare in the connection of steel bar pulp anchor, the connected mode such as sleeve grout is connected has reduced the trompil quantity of reserving the hole in the assembled concrete shear force wall, and the construction is simple and convenient, can reduce external human factor's interference, has improved work efficiency.
Drawings
Fig. 1 is the three-dimensional structure of the three-tube type steel bar connector of the present invention.
Fig. 2 is the three-dimensional structure schematic diagram of the three-tube type steel bar connector main body of the present invention.
Fig. 3 is a front view of the present invention in use in an assembled concrete shear wall.
Fig. 4 is a cross-sectional view of a superstructure for use in an upper fabricated concrete shear wall according to the present invention.
Fig. 5 is a cross-sectional view of the present invention in use in an assembled concrete shear wall.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
A three-pipe type steel bar connector between fabricated concrete shear walls is disclosed, please refer to fig. 1-5, and is characterized in that:
the connector comprises a connector main body 1, a sleeve 2, a thick gasket 3, an upper part steel bar 4 to be connected and a lower part steel bar 5 to be connected, wherein the connector main body 1 is of a three-tube structure, three steel bar penetrating holes which are parallel to each other are formed in the connector main body 1, a middle steel tube 6 and two side steel tubes 7 are welded through a connecting plate 8 or integrally cast through a mold, the middle steel tube 6 is funnel-shaped so as to facilitate penetrating and positioning of the lower part steel bar 5 to be connected, the steel bar penetrating holes on two sides in the three-tube structure are upper steel bar penetrating holes 9, the steel bar penetrating holes in the middle of the connector are lower steel bar penetrating holes 10, the upper part steel bar 4 to be connected is penetrated and arranged in the upper part steel bar penetrating holes 9 from top to bottom, the upper part steel bar 4 to be connected is fixed through mutual meshing of a screw thread 16 at the end part of the upper part steel bar to be connected and a screw thread 11 reserved in the upper part steel bar penetrating holes, the lower, the sleeve 2 and the thick gasket 3 are installed at the exposed end of the lower part to-be-connected steel bar 5 extending out of the upper end of the lower part steel bar penetrating hole 10, the sleeve 2 is connected with the exposed end of the lower part to-be-connected steel bar 5 through a lower part to-be-connected steel bar end part screw thread 17, the thick gasket 3 is installed between the sleeve 2 and the steel bar connector main body 1, the inner diameter of the thick gasket 3 is smaller than that of the lower part steel bar penetrating hole 10, the thickness of the gasket is 6-12mm, and uniform transmission of stress between the sleeve 2 and the pipe wall is guaranteed.
The connector main body 1 and the upper portion to-be-connected steel bars 4 are pre-embedded in an upper portion assembly type concrete shear wall 12, reserved open holes 15 used for arranging the sleeves 2 and the thick gaskets 3 are formed in the upper portion, located above the lower portion steel bar penetrating holes 10, of the upper portion assembly type concrete shear wall 12, and the lower portion to-be-connected steel bars 5 are pre-embedded in a lower portion assembly type concrete shear wall 14.
The connector main body 1 is of an integral casting molding structure or a three-tube welding molding structure, the two molding structures can ensure the shear strength of the connector main body 1, and the connector main body has the advantages of high bearing capacity, high rigidity and the like.
The upper part is treated to connect the reinforcing bar 4 and the lower part is treated to connect the tip of reinforcing bar 5, is provided with the screw thread in upper portion reinforcing bar dress hole 9 and the sleeve 2.
The material of the sitting slurry layer 13 is cement-based mortar.
A construction method of a three-tube type steel bar connector suitable for steel bar connection between fabricated concrete shear walls is characterized by comprising the following steps:
the method comprises the following steps: in the mill with connector main part 1 and upper portion treat that connecting reinforcement 4 is pre-buried to upper portion assembled concrete shear force wall 12 in to treat connecting reinforcement 5 with the lower part and pre-buried to lower part assembled concrete shear force wall 14 in, specifically do:
firstly, the upper part steel bar 4 to be connected is penetrated into an upper part steel bar penetrating hole 9 on the connector main body 1 from top to bottom, the upper part steel bar 4 to be connected is fixedly connected with the connector main body 1 through a reserved screw thread, then the upper reinforcing bars 4 to be connected are put into a forming mold of the upper fabricated concrete shear wall 12 together with the connector body 1, respectively arranging a mold core and a module in and above the lower reinforcing steel bar through hole 10, then pouring concrete, taking out the mold core and the module after solidification, wherein the position of the taking-out module is a reserved opening 15 to form an upper assembled concrete shear wall 12, when the lower assembled concrete shear wall 14 is manufactured, the lower assembled concrete shear wall 14 is formed by placing the upper half section of the lower to-be-connected steel bar 5 in a mode of exposing the lower half section into a forming mold of the lower assembled concrete shear wall 14 and pouring concrete;
step two: connecting the upper assembled concrete shear wall 12 with the lower assembled concrete shear wall 14 on a construction site, specifically:
in a construction site, after the lower fabricated concrete shear wall 14 is installed in place, a mortar layer 13 is arranged at the upper end of the lower fabricated concrete shear wall 14, then the upper fabricated concrete shear wall 12 is lifted to the position above the lower fabricated concrete shear wall 14 to be aligned and lowered, so that the upper exposed section of the lower to-be-connected steel bar 5 penetrates into the lower steel bar penetrating hole 10 in the connector main body 1 from bottom to top, after the upper fabricated concrete shear wall 12 is stably contacted with the lower fabricated concrete shear wall 14, the thick gasket 3 and the sleeve 2 are installed in the reserved opening 15 in the upper fabricated concrete shear wall 12 and are fixedly connected with the exposed end of the lower to-be-connected steel bar 5.
The utility model discloses three cast steel bar connector principles are simple, the utility model discloses compare in extrusion muffjoint, the connected mode such as thick liquid anchor connection and sleeve grout are connected, can turn into the connection of single reinforcing bar with the connection problem that needs two joints when the field connection between upper portion and the lower part reinforcing bar, realize two muscle unifications, the efficiency of construction on the scene is improved, the connector can realize the effective transmission of tensile force between the upper and lower reinforcing bar under the length that compares the weak point, the overlap joint length between the connecting reinforcement has been reduced, the construction is simple and convenient, the joint quality is low to the degree of dependence of people, low cost, easy to produce, can participate in certain atress immediately after the connection, the construction speed is fast, be fit for installing fast at the job site, the work efficiency is improved, higher use value and wide popularization prospect have.
The present invention is not limited to the above-described preferred embodiments, and any modifications, equivalent replacements, and improvements within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a three cast steel bar connector suitable for steel bar connection between assembled concrete shear force wall which characterized in that: the connector comprises a connector main body (1), a sleeve (2), a thick gasket (3), an upper part steel bar (4) to be connected and a lower part steel bar (5) to be connected, wherein the connector main body (1) is of a three-tube structure, three steel bar penetrating holes which are parallel to each other are formed in the connector main body, the connector main body (1) is formed by welding a middle steel tube (6) and two side steel tubes (7) through a connecting plate (8) or integrally casting through a mould, the middle steel tube (6) is funnel-shaped and is used for penetrating and positioning the lower part steel bar (5), the steel bar penetrating holes on two sides in the three-tube structure are upper steel bar penetrating holes (9), the steel bar penetrating hole in the middle of the connector is a lower steel bar penetrating hole (10), the upper part steel bar (4) to be connected is penetrated and arranged in the upper steel bar penetrating holes (9) from top to bottom, and the mutual occlusion of screw threads (11) is reserved in the upper part steel bar penetrating holes and the, the upper part of the steel bar (4) to be connected is fixed, the lower part of the steel bar (5) to be connected is arranged in the lower part of the steel bar penetrating hole (10) from bottom to top in a penetrating way, the exposed end of the lower part of the steel bar (5) to be connected, which extends out of the upper end of the lower part of the steel bar penetrating hole (10), is provided with a sleeve (2) and a thick gasket (3), the sleeve (2) is connected with the exposed end of the lower part of the steel bar (5) to be connected through a screw thread (17) at the end part of the steel bar, the connector main body (1) and the upper steel bar (4) to be connected are pre-buried in the upper assembled concrete shear wall (12) to form a whole, a reserved opening (15) for arranging the sleeve (2) and the thick gasket (3) is arranged above the lower reinforcing steel bar penetrating hole (10) in the upper assembled concrete shear wall (12), and the lower part steel bar (5) to be connected is pre-buried in the lower part fabricated concrete shear wall (14) to form a whole.
2. The three-tube type steel bar connector suitable for the connection of steel bars between fabricated concrete shear walls according to claim 1, wherein: the upper portion is treated the tip of connecting reinforcing bar (4) and lower part is treated the connecting reinforcement (5) and is provided with the screw thread, is provided with the screw thread in upper portion reinforcing bar dress hole (9) and sleeve (2).
3. The three-tube type steel bar connector suitable for the connection of steel bars between fabricated concrete shear walls according to claim 1, wherein: the connector main body (1) is formed by integral casting or three-tube welding.
4. The three-tube type steel bar connector suitable for the connection of steel bars between fabricated concrete shear walls according to claim 1, wherein: the middle steel pipe (6) is funnel-shaped.
5. The three-tube type steel bar connector suitable for the connection of steel bars between fabricated concrete shear walls according to claim 1, wherein: the diameter of the upper part steel bar penetrating hole (9) is matched with the diameter of the upper part steel bar (4) to be connected, the diameter of the sleeve (2) is matched with the diameter of the lower part steel bar (5) to be connected, and the inner diameter of the upper part steel bar penetrating hole (9) is smaller than that of the lower part steel bar penetrating hole (10).
6. The three-tube type steel bar connector suitable for the connection of steel bars between fabricated concrete shear walls according to claim 1, wherein: a thick gasket (3) is arranged between the sleeve (2) and the steel bar connector body (1), the inner diameter of the thick gasket (3) is smaller than that of the lower steel bar penetrating hole (10), and the thickness of the gasket is 6-12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020000680.8U CN212001930U (en) | 2020-01-02 | 2020-01-02 | Three-tube type steel bar connector suitable for steel bar connection between assembled concrete shear walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020000680.8U CN212001930U (en) | 2020-01-02 | 2020-01-02 | Three-tube type steel bar connector suitable for steel bar connection between assembled concrete shear walls |
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| Publication Number | Publication Date |
|---|---|
| CN212001930U true CN212001930U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020000680.8U Active CN212001930U (en) | 2020-01-02 | 2020-01-02 | Three-tube type steel bar connector suitable for steel bar connection between assembled concrete shear walls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212001930U (en) |
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2020
- 2020-01-02 CN CN202020000680.8U patent/CN212001930U/en active Active
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