A prefabricated component staggered connection structure and construction method thereof

Abstract

The present application relates to the technical field of prefabricated buildings, and provides a prefabricated component staggered connection structure and a construction method thereof, wherein the prefabricated component staggered connection structure comprises a first prefabricated component, a second prefabricated component and a connection assembly, wherein the first prefabricated component comprises a first prefabricated component body and a first connecting steel bar, and the second prefabricated component comprises a second prefabricated component body and a second connecting steel bar; the connection assembly comprises a first hinge and a second hinge hinged to each other, the first connecting steel bar is connected to the first hinge, the second connecting steel bar is connected to the second hinge, and the first connecting steel bar is staggered with the second connecting steel bar, and the construction method of the prefabricated component staggered connection structure is convenient for installation and simple for construction; it not only solves the problems of difficult precise positioning, low fault tolerance and difficult on-site adjustment of the current prefabricated structural component connecting steel bars; but also the construction quality of the prefabricated component connection area is intuitive and clear, ensuring the construction quality.

Description

Technical Field

[0001] The present application relates to the technical field of prefabricated buildings, and more specifically, to a prefabricated component staggered connection structure and a construction method thereof. Background Art

[0002] At present, with the rapid development of my country's economy, prefabricated buildings have been widely promoted. However, there are still many problems that restrict the development of prefabricated buildings. At present, the connection of structural components such as prefabricated columns, prefabricated shear walls, and prefabricated beams generally adopts grouting sleeve connection or grouting anchor connection. However, whether it is grouting sleeve connection or grouting anchor connection, it is necessary to accurately position the connecting steel bars of the components. The on-site construction is difficult, the fault tolerance rate is low, and the adjustment is difficult. After the construction is completed, it is also difficult to detect the quality of the component node connection, and the construction quality is difficult to be effectively guaranteed. Summary of the invention

[0003] The main purpose of the present invention is to provide a prefabricated component staggered connection structure, aiming to solve the technical problems in the prior art of complicated construction steps, low fault tolerance and difficult to ensure construction quality when connecting structural components.

[0004] To achieve the above-mentioned object, the technical solution adopted by the present invention is: a prefabricated component staggered connection structure, characterized in that it includes a first prefabricated component, a second prefabricated component and a connection assembly, the first prefabricated component includes a first prefabricated component body and a first connecting steel bar extending from the first prefabricated component body, the second prefabricated component includes a second prefabricated component body and a second connecting steel bar extending from the second prefabricated component body;

[0005] The connection assembly includes a first hinge and a second hinge that are hinged to each other, the first connection steel bar is connected to the first hinge, and the second connection steel bar is connected to the second hinge, so that the first prefabricated component body and the second prefabricated component body are connected through the connection assembly, and the first connection steel bar and the second connection steel bar are staggered in the connection direction of the first prefabricated component body and the second prefabricated component body.

[0006] Further, the first hinged member includes a first joint plate and a second joint plate detachably connected to each other, the second hinged member includes a third joint plate and a fourth joint plate detachably connected to each other, the first joint plate is hinged to the third joint plate, the first connecting steel bar is clamped between the first joint plate and the second joint plate, and the second connecting steel bar is clamped between the third joint plate and the fourth joint plate.

[0007] Furthermore, the first plywood and the second plywood are each provided with a clamping arc surface, the first connecting steel bar is clamped between the clamping arc surfaces of the first plywood and the second plywood, the third plywood and the fourth plywood are each provided with a clamping arc surface, and the second connecting steel bar is clamped between the clamping arc surfaces of the third plywood and the fourth plywood.

[0008] Furthermore, the first joint plate is hinged to the third joint plate via a hinge shaft, the first joint plate has a first mounting hole for the hinge shaft to pass through, the third joint plate has a second mounting hole for the hinge shaft to pass through, the first hinged component can be movably installed on the first connecting steel bar along the axial direction of the first connecting steel bar, and the second hinged component can be movably installed on the second connecting steel bar along the axial direction of the second connecting steel bar.

[0009] Furthermore, the hinge shaft is a threaded shaft, an adjusting nut is installed on the threaded shaft, and the adjusting nut is used to limit the first joint plate or the third joint plate on the threaded shaft.

[0010] Furthermore, the first hinged component includes a first joint plate and a second joint plate which are detachably connected to each other, the second hinged component includes a support seat having a socket, the support seat is hinged to the first joint plate, the first connecting steel bar is clamped between the first joint plate and the second joint plate, and the second connecting steel bar extends downward into the socket and is supported on the support seat.

[0011] Furthermore, the insertion hole is a through hole, and a height-adjustable support member is installed below the through hole. The second connecting steel bar extends downward into the insertion hole and is supported by the height-adjustable support member.

[0012] Furthermore, an internal thread is provided below the through hole, and the height-adjustable support member is a load-bearing bolt matched with the internal thread.

[0013] Furthermore, the first prefabricated component body is connected to the second prefabricated component body in a vertical direction or in a horizontal direction.

[0014] In addition, the present invention also provides a construction method according to the above-mentioned prefabricated component staggered connection structure, wherein the construction method comprises the steps of:

[0015] a. Determine the position of the first prefabricated component body, correct the position of the first connecting steel bar, set a gasket on the first prefabricated component body for leveling, and install the first prefabricated component body after the first connecting steel bar is aligned;

[0016] b. Install the first hinge on the first connecting steel bar.

[0017] c. hinge the second hinged part on the first hinged part;

[0018] d. Place the second prefabricated component body at the desired installation position, accurately adjust the positions of the connecting components, and align the connecting positions of the second hinged member and the second connecting steel bar;

[0019] e. Reviewing the positioning of the second prefabricated component body, and after the review is accurate, connecting the second hinged member to the second connecting steel bar;

[0020] f. Use concrete to cast the joint area between the main body of the first precast component and the main body of the second precast component.

[0021] The beneficial effects of the prefabricated component staggered connection structure provided by the present application are:

[0022] Compared with the prior art, in the prefabricated component staggered connection structure of the present application, the first prefabricated component body and the second prefabricated component body are connected by the connection assembly, and the first connecting steel bar and the second connecting steel bar are staggered in the connection direction of the first prefabricated component body and the second prefabricated component body, and the connection assembly has a staggered adjustment function through the first hinge and the second hinge that are hinged to each other, so that the first connecting steel bar and the second connecting steel bar do not need to be precisely positioned when connected, the positioning of the prefabricated component can be adjusted on site, and the fault tolerance rate is high; the construction method of the prefabricated component staggered connection structure is convenient for installation and simple to construct; it not only solves the current problems of difficult precise positioning, low fault tolerance, and difficult on-site adjustment of the connecting steel bars of prefabricated structural components; but also the construction quality of the prefabricated component connection area is intuitive and clear, ensuring the construction quality.

[0023] In a further solution, the first hinged component can be installed on the first connecting steel bar so as to be movably installed along the axial direction of the first connecting steel bar, and the second hinged component can be installed on the second connecting steel bar so as to be movably installed along the axial direction of the second connecting steel bar, so that there is no restriction on the overlapping position of the upper and lower steel bars, and the connection does not necessarily have to be achieved at the end of the steel bar, so that the connecting assembly can adapt to the connection of longer steel bars. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 A three-dimensional diagram of a prefabricated component staggered connection structure provided by one embodiment of the present application;

[0026] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0027] Figure 3 A three-dimensional diagram of a prefabricated component staggered connection structure provided by another embodiment of the present application;

[0028] Figure 4 A perspective view of a connection assembly provided for one embodiment of the present application;

[0029] Figure 5 A stereoscopic view of a connection assembly provided according to another embodiment of the present application.

[0030] The reference numerals in the above drawings are as follows:

[0031] 1-first prefabricated component body; 2-first connecting steel bar; 3-second prefabricated component body; 4-second connecting steel bar; 5-height-adjustable support; 6-hinge shaft; 7-clamping arc surface; 8-adjusting nut; 100-first hinge; 101-first joint plate; 102-second joint plate; 200-second hinge; 201-third joint plate; 202-fourth joint plate; 203-socket; 204-support seat. DETAILED DESCRIPTION

[0032] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0033] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other component or indirectly on the other component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0034] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0036] In order to illustrate the technical solution described in this application, a detailed description is given below in conjunction with specific drawings and embodiments.

[0037] See also Figures 1 to 5 The embodiment of the present invention provides a prefabricated component staggered connection structure, which includes a first prefabricated component, a second prefabricated component and a connection assembly, wherein the first prefabricated component includes a first prefabricated component body 1 and a first connecting steel bar 2 extending from the first prefabricated component body 1, and the second prefabricated component includes a second prefabricated component body 3 and a second connecting steel bar 4 extending from the second prefabricated component body 3, and the number of each of the first connecting steel bar 2 and the second connecting steel bar 4 is preferably multiple;

[0038] The connecting assembly includes a first hinge 100 and a second hinge 200 hinged to each other, the first connecting steel bar 2 is connected to the first hinge 100, and the second connecting steel bar 4 is connected to the second hinge 200, so that the first prefabricated component body 1 and the second prefabricated component body 3 are connected through the connecting assembly, and the first connecting steel bar 2 and the second connecting steel bar 4 are staggered in the connection direction of the first prefabricated component body 1 and the second prefabricated component body 3. It should be noted that, precisely because the connecting assembly includes the first hinge 100 and the second hinge 200 hinged to each other, the first hinge 100 and the second hinge 200 can be rotated to adjust the relative angle between the two, so that the relative angle can be adjusted to adapt to the staggered first connecting steel bar 2 and the second connecting steel bar 4 and connect them through the connecting assembly, so that the first connecting steel bar 2 and the second connecting steel bar 4 do not need to be precisely positioned, the prefabricated component positioning site can be flexibly adjusted, and a high fault tolerance connection can be achieved.

[0039] The first prefabricated component body 1 and the second prefabricated component body 3 may be, but are not limited to, prefabricated concrete columns, prefabricated shear walls, prefabricated beams, etc. The connection direction of the first prefabricated component body 1 and the second prefabricated component body 3 is not particularly limited. According to one embodiment of the present invention, the first prefabricated component body 1 and the second prefabricated component body 3 are connected in a vertical direction, for example, an upper prefabricated column and a lower prefabricated column are connected. According to another embodiment of the present invention, the first prefabricated component body 1 and the second prefabricated component body 3 are connected in a horizontal direction, for example, a left prefabricated shear wall and a right prefabricated shear wall are connected. As other embodiments, it is even possible not to connect in the vertical direction or in the horizontal direction. The connection assembly of the present invention can flexibly adjust the position to match various connection directions of the first prefabricated component body 1 and the second prefabricated component body 3.

[0040] According to one embodiment of the present invention, the first hinge 100 includes a first plywood 101 and a second plywood 102 detachably connected to each other, the second hinge 200 includes a third plywood 201 and a fourth plywood 202 detachably connected to each other, the first plywood 101 is hinged to the third plywood 201, the first connecting steel bar 2 is clamped (clamped) between the first plywood 101 and the second plywood 102, and the first plywood 101 and the second plywood 102 are clamped at different axial positions of the first connecting steel bar 2, so that the first hinge can be installed on the first connecting steel bar in an axially movable manner along the first connecting steel bar, the second connecting steel bar 4 is clamped (clamped) between the third plywood 201 and the fourth plywood 202, and the third plywood 201 and the fourth plywood 202 are clamped at different axial positions of the second connecting steel bar 4, so that the second hinge can be installed on the second connecting steel bar in an axially movable manner along the second connecting steel bar, in this embodiment, the first prefabricated component body 1 and the second prefabricated component body 3 can be connected in a vertical direction or a horizontal direction.

[0041] According to a preferred embodiment of the present invention, the first plywood 101 and the second plywood 102 are each provided with a clamping arc surface 7, the first connecting steel bar 2 is clamped between the clamping arc surfaces of the first plywood 101 and the second plywood 102, the third plywood 201 and the fourth plywood 202 are each provided with a clamping arc surface 7, the second connecting steel bar 4 is clamped between the clamping arc surfaces 7 of the third plywood 201 and the fourth plywood 202, the clamping arc surface 7 can perfectly match the shapes of the first connecting steel bar 2 and the second connecting steel bar 4 to clamp them more firmly.

[0042] According to a specific embodiment of the present invention, the first joint plate 101 and the third joint plate 201 are hinged by a hinge shaft 6, and the hinge shaft 6 can be specifically in the form of a pin bolt, etc. The first joint plate 101 has a first mounting hole for the hinge shaft 6 to pass through, and the third joint plate 201 has a second mounting hole for the hinge shaft 6 to pass through. The first mounting hole or the second mounting hole is a waist-shaped hole, but not limited to a waist-shaped hole, which is convenient for the hinge shaft 6 to move therein, so as to further improve the connection assembly of the present invention. Flexible adaptation to the connection position of the first connecting steel bar 2 and the second connecting steel bar 4, in addition, the first hinge can be movably installed on the first connecting steel bar along the axial direction of the first connecting steel bar, and the second hinge can be movably installed on the second connecting steel bar along the axial direction of the second connecting steel bar. Through such a design, the position of the upper and lower steel bars overlap is unlimited, and the connection does not necessarily have to be achieved at the end of the steel bar, so that the connection assembly can adapt to the connection of longer steel bars; in addition, a strain gauge or other suitable pressure sensor can be arranged (pasted) on the middle adjusting bolt. After the strain gauge is connected to the monitoring system, real-time monitoring of the stress of the building structure and early warning of dangerous conditions can be achieved.

[0043] According to a specific embodiment of the present invention, the first plywood 101 and the second plywood 102 are connected by a plurality of bolt and nut structures penetrated on the first plywood 101 and the second plywood 102, so that the first plywood 101 and the second plywood 102 firmly clamp (tighten) the first connecting steel bar 2, and the third plywood 201 and the fourth plywood 202 are connected by a plurality of bolt and nut structures penetrated on the third plywood 201 and the fourth plywood 202, so that the third plywood 201 and the fourth plywood 202 firmly clamp (tighten) the second connecting steel bar 4. Of course, the present invention is not limited to this specific structural form, and it is also possible to use other suitable structures to replace the bolts and nuts to realize the connection and fixation of the first plywood 101 and the second plywood 102, and the connection and fixation of the third plywood 201 and the fourth plywood 202. For example, it is also possible to use a caliper structure or a clamp structure with matching characteristics to realize the connection and fixation of the first plywood 101 and the second plywood 102, and the connection and fixation of the third plywood 201 and the fourth plywood 202.

[0044] According to a specific embodiment of the present invention, the first hinge 100 includes a first plywood 101 and a second plywood 102 that are detachably connected to each other, and the second hinge 200 includes a support seat 204 with a socket 203, the support seat 204 is hinged to the first plywood 101, the first connecting steel bar 2 is clamped between the first plywood 101 and the second plywood 102, and the second connecting steel bar 4 extends downward into the socket 203 and is supported on the support seat 204. In this embodiment, the first prefabricated component body 1 is connected to the second prefabricated component body 3 in a vertical direction, and the second prefabricated component body 3 is located above the first prefabricated component body 1. The second connecting steel bar 4 extends into the support seat 204 to facilitate subsequent connection without clamping the second connecting steel bar 4. The connection process is very convenient. Of course, in this embodiment, the first plywood 101 and the second plywood 102 can also be connected by a plurality of bolt and nut structures penetrated through the first plywood 101 and the second plywood 102, but it is not limited to this connection method.

[0045] According to a preferred embodiment of the present invention, the socket 203 is a through hole, and a height-adjustable support member 5 is installed below the through hole. The second connecting steel bar 4 extends downward into the socket 203 and is supported on the height-adjustable support member 5. The support on the support seat 204 is finally achieved in such a height-adjustable manner, which can further improve the adaptability and connection ability of the connecting component to the first connecting steel bar 2 and the second connecting steel bar 4. However, the present invention is not limited to this connection method. For example, the socket 203 is a blind hole, and the second connecting steel bar 4 can also be supported on the bottom wall of the hole in the support seat 204.

[0046] According to a specific embodiment of the present invention, there is an internal thread below the through hole, and the height-adjustable support member 5 is a load-bearing bolt matched with the internal thread, but is not limited to the form of only a load-bearing bolt.

[0047] In addition, the present invention also provides a construction method for the above-mentioned prefabricated component staggered connection structure. As mentioned above, the construction method of the prefabricated component staggered connection structure is applicable to components connected in any direction (the present invention should not be limited to the specific connection direction of the components). Specifically, the first prefabricated component body 1 can be connected to the second prefabricated component body 3 in the vertical direction, for example, the upper prefabricated column can be connected to the lower prefabricated column, and the first prefabricated component body 1 can also be connected to the second prefabricated component body 3 in the horizontal direction, for example, the left prefabricated shear wall can be connected to the right prefabricated shear wall, and it is even possible not to connect in the vertical direction or the horizontal direction.

[0048] The construction method includes the steps of:

[0049] a. Determine the position of the first prefabricated component body 1, correct the position of the first connecting steel bar 2 (vertical steel bar), set a gasket on the first prefabricated component body 1 for leveling, and install the first prefabricated component body 1 after the first connecting steel bar 2 is aligned;

[0050] b. Install the first hinge 100 on the first connecting steel bar 2.

[0051] c. hinge the second hinge 200 on the first hinge 100;

[0052] d. Place the second prefabricated component body 3 at the desired installation position, accurately adjust the positions of the connecting components, and align the connecting positions of the second hinge 200 and the second connecting steel bars 4 (vertical steel bars);

[0053] e. Check the positioning of the second prefabricated component body 3. After the positioning is accurate, connect the second hinge 200 to the second connecting steel bar 4;

[0054] f. Use concrete to cast the joint area between the first prefabricated component body 1 and the second prefabricated component body 3.

[0055] The following takes the first prefabricated component body 1 as the lower prefabricated column and the second prefabricated component body 3 as the upper prefabricated column as an example to introduce more detailed steps of the construction method of the prefabricated component staggered connection structure. However, it should be noted that the detailed operation methods in the following specific steps can be flexibly adjusted as needed and are not used to limit the present invention. The construction method includes the steps of:

[0056] a. Hoisting the lower prefabricated columns: measure and lay out to determine the position of the components, correct the position of the first connecting steel bar 2 on the lower prefabricated columns, use steel washers for leveling, and install the lower prefabricated columns after the first connecting steel bar 2 is aligned;

[0057] b. Install the first hinge 100 on the first connecting steel bar 2, specifically clamp (tighten) the first connecting steel bar 2 between the first plywood 101 and the second plywood 102, and then fasten the first plywood 101 and the second plywood 102 by bolts and nuts;

[0058] c. hinge the second hinge 200 on the first hinge 100, specifically, assemble the support seat 204 with the hinge shaft 6, and then hinge the support seat 204 with the first joint plate 101 through the hinge shaft 6;

[0059] d. Hoist the upper prefabricated columns, measure and lay out, and hoist the upper prefabricated columns to the correct position; accurately adjust the positions of the connecting parts so that the sockets 203 on the support seat 204 are aligned with the second connecting steel bars 4 of the upper prefabricated columns, and vertically lower the upper prefabricated columns to the specified elevation;

[0060] e. Review the positioning of the upper prefabricated column. After the review is accurate, adjust the position of the load-bearing bolts so that they support the second connecting steel bar 4, and tighten the first plywood 101 and the second plywood 102 through bolts and nuts to form a stable support assembly. Of course, if the first hinge 100 and the second hinge 200 adopt the specific structure of another embodiment of the present application, this step is replaced by: Review the positioning of the upper prefabricated column. After the review is accurate, tighten the third plywood 201 and the fourth plywood 202 through bolts and nuts to clamp the second connecting steel bar 4, and tighten the first plywood 101 and the second plywood 102 through bolts and nuts to clamp the first connecting steel bar 2 to form a stable support assembly;

[0061] f. Add oblique supports to the upper prefabricated columns and loosen the hooks on the upper prefabricated columns;

[0062] g. Use cast-in-place concrete for the horizontal joint area of ​​the upper and lower precast columns, and the cast-in-place concrete is preferably high-strength performance concrete.

[0063] The above description is only an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A prefabricated component staggered connection structure, characterized in that: The invention comprises a first prefabricated component, a second prefabricated component and a connection assembly, wherein the first prefabricated component comprises a first prefabricated component body and a first connection steel bar extending from the first prefabricated component body, and the second prefabricated component comprises a second prefabricated component body and a second connection steel bar extending from the second prefabricated component body; The connection assembly comprises a first hinge and a second hinge that are hinged to each other, the first connection steel bar is connected to the first hinge, and the second connection steel bar is connected to the second hinge, so that the first prefabricated component body and the second prefabricated component body are connected through the connection assembly, and the first connection steel bar and the second connection steel bar are staggered in a connection direction of the first prefabricated component body and the second prefabricated component body; The first hinged member includes a first joint plate and a second joint plate detachably connected to each other, the second hinged member includes a support seat with an insertion hole, the support seat is hinged to the first joint plate, the first joint plate and the second joint plate are respectively provided with a clamping arc surface, the first connecting steel bar is clamped between the clamping arc surfaces of the first joint plate and the second joint plate, and the second connecting steel bar extends downward into the insertion hole and is supported on the support seat; The insertion hole is a through hole, a height-adjustable support member is installed below the through hole, and the second connecting steel bar extends downward into the insertion hole and is supported by the height-adjustable support member; The first prefabricated component body is connected to the second prefabricated component body along a vertical direction.

2. The prefabricated component staggered connection structure according to claim 1, characterized in that: An internal thread is provided below the through hole, and the height-adjustable support member is a load-bearing bolt matched with the internal thread.

3. A construction method for the prefabricated component staggered connection structure according to claim 1 or 2, characterized in that: The construction method comprises the steps of: a. Determine the position of the first prefabricated component body, correct the position of the first connecting steel bar, set a gasket on the first prefabricated component body for leveling, and install the first prefabricated component body after the first connecting steel bar is aligned; b. Installing the first hinged member on the first connecting steel bar; c. hinge the second hinged part on the first hinged part; d. Place the second prefabricated component body at the desired installation position, accurately adjust the positions of the connecting components, and align the connecting positions of the second hinged member and the second connecting steel bar; e. Reviewing the positioning of the second prefabricated component body, and after the review is accurate, connecting the second hinged member to the second connecting steel bar; f. Use concrete to cast the joint area between the main body of the first precast component and the main body of the second precast component.

Images