CN210508061U - Improved generation connection structure suitable for steel bar connection between assembled concrete member - Google Patents
Improved generation connection structure suitable for steel bar connection between assembled concrete member Download PDFInfo
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- CN210508061U CN210508061U CN201921351969.8U CN201921351969U CN210508061U CN 210508061 U CN210508061 U CN 210508061U CN 201921351969 U CN201921351969 U CN 201921351969U CN 210508061 U CN210508061 U CN 210508061U
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Abstract
The utility model relates to an improved connecting structure suitable for the connection of steel bars between assembled concrete components, which comprises a connector main body, an upper steel bar and a lower steel bar; the connector main body is a double-tube parallel structure which is internally provided with two reinforcing steel bar penetrating holes and has an 8-shaped outline cross section, one reinforcing steel bar penetrating hole is an upper reinforcing steel bar penetrating hole, and the other reinforcing steel bar penetrating hole is a lower reinforcing steel bar penetrating hole; the upper reinforcing steel bar is arranged in the upper reinforcing steel bar penetrating hole in a penetrating way and is fixedly connected with the connector main body through the matching of an inner screw thread and an outer screw thread; the lower reinforcing steel bar is arranged in the lower reinforcing steel bar penetrating hole in a penetrating way, and the upper extending end of the lower reinforcing steel bar is connected with a lower reinforcing steel bar anchoring plate; the connector main body and the upper reinforcing steel bar are embedded in the upper precast concrete member; the lower end part of the lower reinforcing steel bar is pre-buried in the lower precast concrete member. The steel bar connecting structure ensures effective transmission of stress between steel bars, reduces the construction technical requirement, is simple and convenient to construct, has low construction cost, and is easy to ensure the construction quality.
Description
Technical Field
The utility model belongs to the building structure field relates to the connection technique between the reinforcing bar, concretely relates to improved generation connection structure suitable for steel bar connection between assembled concrete member.
Background
The assembly type building is an important direction for the development of the building industry at present, wherein the reinforcing steel bar connecting technology among the assembly type concrete members is more and more concerned by people, the development level of the domestic assembly type building is not high at the present stage, and the connecting technology of the reinforcing steel bars of the assembly type building has wide development space. The connection between the assembled integral structural steel bars is the key for ensuring the force transmission between the assembled concrete members and the integral performance of the structure.
At present, the reinforcing steel bar connection modes between the assembled concrete members recommended by relevant specifications of China mainly comprise reinforced concrete grout anchor lap joint, metal sleeve grouting connection and reinforced concrete sleeve extrusion connection. For the overlap joint of the reinforced concrete anchor, the stress of discontinuous steel bars is transmitted to the embedded steel bars in the assembled component through the grouting material, the pore channel material (embedded pipeline pore-forming) and the bonding stress between the concrete, so that the continuous force transmission of the steel bars is realized, but the external extending length of the reserved steel bars is large, the difficulty is caused to transportation and production, the using amount of the grouting material is large, the construction quality is seriously dependent on the quality of workers, the construction quality is difficult to detect, the stress cannot be immediately applied after grouting, and a large amount of support is needed. For metal sleeve grouting connection, stress transmission is carried out between discontinuous reinforcing steel bars through grouting materials and steel sleeves, but the cost of the steel sleeves is high, construction is difficult, construction quality depends on the quality of workers seriously, the construction quality is difficult to detect, and after grouting, the assembled concrete member cannot be stressed immediately and needs a large amount of support. For the steel bar extrusion sleeve connection, the working principle of the 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 the problems of high cost, difficult construction, serious dependence on the quality of workers, difficult detection of the construction quality, incapability of immediately bearing force after grouting, large amount of support, poor fault tolerance and the like, and has certain limitation.
Aiming at the defects of the connection of the steel bars in the existing fabricated building, the patent applicant has the following application numbers: 2019105103384, the name is: the patent application material of the double-tube type steel bar connecting structure between the precast concrete components and the construction method thereof provides the steel bar connecting structure which can reduce the construction technical requirement, has simple structure, simple and convenient construction, low construction cost and easy guarantee of construction quality. After patent application, the inventor further researches the technical scheme and further optimizes and improves the construction convenience.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide an improved generation connection structure suitable for steel bar connection between assembled concrete member, this steel bar connection structure can reduce construction technical requirement, simple structure, construction are simple and convenient, construction cost is low, construction quality easily guarantees on guaranteeing the effective driven basis of stress between the reinforcing bar.
The above object of the present invention is achieved by the following technical solutions:
the improved connecting structure is suitable for connecting the steel bars among the assembled concrete members and comprises a connector main body, an upper steel bar and a lower steel bar; the connector main body is of a double-pipe parallel structure which is integrally cast or welded, two parallel reinforcing steel bar penetrating holes are arranged in the connector main body, the cross section of the outer contour of the connector main body is 8-shaped, one reinforcing steel bar penetrating hole is an upper reinforcing steel bar penetrating hole, and the other reinforcing steel bar penetrating hole is a lower reinforcing steel bar penetrating hole; the method is characterized in that:
an inner screw thread is arranged in the position, close to the lower end, in the upper reinforcing steel bar penetrating hole, an outer screw thread is arranged at the lower end of the upper reinforcing steel bar, and the upper reinforcing steel bar penetrates through the upper reinforcing steel bar penetrating hole from top to bottom and is fixedly connected with the connector main body through the matching of the inner screw thread and the outer screw thread;
the lower reinforcing steel bar penetrating hole is a conical hole with a small upper part and a large lower part, an outer screw thread is arranged at the upper end part of the lower reinforcing steel bar, the lower reinforcing steel bar penetrates through the lower reinforcing steel bar penetrating hole from bottom to top, and the upper end part of the lower reinforcing steel bar extends out of the upper end of the lower reinforcing steel bar penetrating hole and is connected with the reinforcing steel bar anchoring plate through the screw thread, so that the lower reinforcing steel bar is fixedly connected with the connector main body;
connector main part, upper portion reinforcing bar are pre-buried in upper portion precast concrete component, the latter half of lower part reinforcing bar is pre-buried in lower part precast concrete component, and the top that is located lower part reinforcing bar and wears the dress hole in upper portion precast concrete component is prefabricated to have the reservation trompil that is used for holding reinforcing bar anchor board.
The utility model has the advantages and positive effect:
1. the upper reinforcing steel bar penetrates into the upper reinforcing steel bar penetrating hole from top to bottom, and the upper reinforcing steel bar is fixed through mutual engagement of the end part of the reinforcing steel bar and the reserved screw thread in the upper penetrating hole; after the lower reinforcing steel bar penetrates into the lower reinforcing steel bar penetrating hole from bottom to top, the exposed end of the lower reinforcing steel bar is connected with the reinforcing steel bar anchoring plate through the screw thread, and the degree of dependence of joint quality on people is reduced.
2. One end of the utility model is connected through the screw thread in the pipe, and the other end connects the steel bar to be connected with the connector main body through the steel bar anchoring plate, without high-strength grouting material; the arrangement of the steel bar anchoring plate ensures the effective transmission of the tension between the steel bars; the steel bar anchoring plate is connected with the end part of the steel bar through the screw thread, so that the installation is rapid, the quality is easy to guarantee, the anchoring performance is good, and the construction is convenient.
3. The utility model provides an improved generation connection structure realizes the pulling force transmission between two reinforcing bars through the connection space that parallelly connected double-pipe structure formed, and the lower part reinforcing bar that needs wear the dress at the scene in wearing the dress hole to wear the dress hole and adopted big end down's toper form in two reinforcing bars that the connector main part is inside to be set up, has made things convenient for wearing of lower part reinforcing bar to adorn the location in the lower part assembled concrete member.
4. The utility model adopts the integral casting molding or welding molding to ensure the shearing resistance of the connector main body;
5. the utility model discloses the whole arc surface design that adopts of connector main part is favorable to avoiding the peripheral concrete stress concentration of connection structure and causes local destruction.
To sum up, this improved generation connection structure compares in prior application, has all carried out optimization improvement on the fixed connection mode of the outside end that stretches out of the pass of upper portion reinforcing bar and upper portion reinforcing bar wear the connected mode of dress hole, lower part reinforcing bar on wearing the pass of dress hole and lower part reinforcing bar, makes the installation operation more convenient, has further improved the convenience of construction.
Drawings
Fig. 1 is a schematic perspective view of a connector body according to the present invention;
fig. 2 is a schematic view of the connector body of the present invention connecting to the upper and lower reinforcing bars;
fig. 3 is a front view of an improved connection structure of the present invention;
fig. 4 is a longitudinal sectional view of the improved connection structure of the present invention.
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.
An improved connection structure for connecting reinforcing bars between fabricated concrete members, see fig. 1-4, includes a connector body 1, an upper reinforcing bar 2, and a lower reinforcing bar 4. The connector main body is of a double-pipe parallel structure which is integrally cast or welded, two parallel reinforcing steel bar penetrating holes are arranged in the connector main body, the cross section of the outer contour of the connector main body is 8-shaped, one reinforcing steel bar penetrating hole is an upper reinforcing steel bar penetrating hole 1-1, and the other reinforcing steel bar penetrating hole is a lower reinforcing steel bar penetrating hole 1-2; the invention is characterized in that:
the upper reinforcing steel bar is arranged in the upper reinforcing steel bar penetrating hole from top to bottom and forms fixed connection with the connector main body through matching of the inner screw thread and the outer screw thread.
The lower reinforcing steel bar penetrating hole is a tapered hole with a small upper part and a large lower part, an outer screw thread is arranged at the upper end part of the lower reinforcing steel bar, the lower reinforcing steel bar penetrates through the lower reinforcing steel bar penetrating hole from bottom to top, the upper end part of the lower reinforcing steel bar extends out of the upper end of the lower reinforcing steel bar penetrating hole and is connected with the reinforcing steel bar anchoring plate 3 through the screw thread, and the lower reinforcing steel bar is fixedly connected with the connector main body.
The connector main body and the upper reinforcing steel bars are pre-buried in the upper precast concrete member 5, the lower half portion of the lower reinforcing steel bars is pre-buried in the lower precast concrete member 7, and reserved holes 5-1 used for containing reinforcing steel bar anchoring plates are pre-formed in the upper precast concrete member and located above the lower reinforcing steel bar penetrating holes.
This improved generation connection structure suitable for steel bar connection between assembled concrete member's concrete construction step does:
and embedding the connector main body and the upper reinforcing steel bars into the upper assembly type concrete member in a factory, and embedding and connecting the lower reinforcing steel bars and the lower assembly type concrete member.
When the upper assembled concrete member is manufactured, firstly, an upper reinforcing steel bar penetrates into an upper reinforcing steel bar penetrating hole in the connector main body from top to bottom, and the upper reinforcing steel bar is fixed by mutual engagement of the end part of the reinforcing steel bar and the reserved screw threads in the upper penetrating hole; and then putting the upper reinforcing steel bars and the connector main body into a forming die of the upper assembled concrete member together, pouring concrete to form the upper assembled concrete member, wherein the reserved holes and the lower reinforcing steel bar penetrating holes are provided with die cores, and taking out the die cores after the concrete is solidified to form the reserved holes.
When the lower assembled concrete member is manufactured, the lower steel bars are placed into a forming die of the lower assembled concrete member, a part of the lower steel bars is exposed, concrete is poured, and the lower assembled concrete member is formed after the concrete is solidified. In a construction site, after the lower prefabricated concrete member is installed in place, the upper prefabricated concrete member is connected with the lower prefabricated concrete member, a mortar layer 6 is arranged between the upper prefabricated concrete structure and the lower prefabricated concrete structure, an upper exposed section of the lower steel bar penetrates into a lower steel bar penetrating hole in the connecting structure body from bottom to top, and an anchoring plate is used for fixedly connecting.
This improved generation connection structure suitable for steel bar connection between assembled concrete member compares in extrusion muffjoint, and the connected mode such as thick liquid anchor is connected and sleeve grout is connected still has that the structure principle is simple when realizing stress transfer validity between two assembled concrete member, reduces the overlap joint length of reinforcing bar, connects reliably, low cost, advantages such as construction speed is fast. The working efficiency is improved, and the method has high use value and wide popularization prospect.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (1)
1. The improved connecting structure is suitable for connecting the steel bars among the assembled concrete members and comprises a connector main body, an upper steel bar and a lower steel bar; the connector main body is of a double-pipe parallel structure which is integrally cast or welded, two parallel reinforcing steel bar penetrating holes are arranged in the connector main body, the cross section of the outer contour of the connector main body is 8-shaped, one reinforcing steel bar penetrating hole is an upper reinforcing steel bar penetrating hole, and the other reinforcing steel bar penetrating hole is a lower reinforcing steel bar penetrating hole; the method is characterized in that:
an inner screw thread is arranged in the position, close to the lower end, in the upper reinforcing steel bar penetrating hole, an outer screw thread is arranged at the lower end of the upper reinforcing steel bar, and the upper reinforcing steel bar penetrates through the upper reinforcing steel bar penetrating hole from top to bottom and is fixedly connected with the connector main body through the matching of the inner screw thread and the outer screw thread;
the lower reinforcing steel bar penetrating hole is a conical hole with a small upper part and a large lower part, an outer screw thread is arranged at the upper end part of the lower reinforcing steel bar, the lower reinforcing steel bar penetrates through the lower reinforcing steel bar penetrating hole from bottom to top, and the upper end part of the lower reinforcing steel bar extends out of the upper end of the lower reinforcing steel bar penetrating hole and is connected with the reinforcing steel bar anchoring plate through the screw thread, so that the lower reinforcing steel bar is fixedly connected with the connector main body;
connector main part, upper portion reinforcing bar are pre-buried in upper portion precast concrete component, the latter half of lower part reinforcing bar is pre-buried in lower part precast concrete component, and the top that is located lower part reinforcing bar and wears the dress hole in upper portion precast concrete component is prefabricated to have the reservation trompil that is used for holding reinforcing bar anchor board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351969.8U CN210508061U (en) | 2019-08-20 | 2019-08-20 | Improved generation connection structure suitable for steel bar connection between assembled concrete member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351969.8U CN210508061U (en) | 2019-08-20 | 2019-08-20 | Improved generation connection structure suitable for steel bar connection between assembled concrete member |
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| CN210508061U true CN210508061U (en) | 2020-05-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982124A (en) * | 2021-10-28 | 2022-01-28 | 中国建筑第五工程局有限公司 | Prefabricated part dislocation connecting structure and construction method thereof |
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2019
- 2019-08-20 CN CN201921351969.8U patent/CN210508061U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982124A (en) * | 2021-10-28 | 2022-01-28 | 中国建筑第五工程局有限公司 | Prefabricated part dislocation connecting structure and construction method thereof |
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