Reinforced concrete tension sleeve

Abstract

In the reinforced concrete tensioning sleeve provided in the embodiment of the present application, a first groove is provided on the outer surface of the connecting rib of the sleeve, and a second groove is provided on the outer surface of the prefabricated prism of the reinforced concrete prefabricated part opposite to the first groove. In addition, a steel bar plug is inserted between the sleeve and the reinforced concrete prefabricated part, and the steel bar plug coincides with the first groove and the second groove, respectively. With the above-mentioned structural design, the steel bar plug and the structure of the first groove and the second groove can prevent the sleeve and the prefabricated prism from rotating relative to each other during the concrete pouring process, thereby affecting the subsequent connection between the prefabricated wall panel and the cast-in-place floor slab. At the same time, the steel bar plug is inserted between the sleeve and the prefabricated prism, which can also strengthen the structural strength of the tensioning sleeve in the axial direction.

Description

Technical Field

[0001] The present application relates to the technical field of cement components, and more specifically, to a reinforced concrete tensioning sleeve. Background Art

[0002] Precast reinforced concrete components are the basis for prefabrication of the main structure. At present, the most widely used precast reinforced concrete components are precast composite slabs and precast shear walls. Precast shear walls need to be further connected with cast-in-place floor slabs after installation.

[0003] In the related art, cast-in-place shear walls and precast concrete wall panels are generally connected horizontally to the cast-in-place shear walls as a whole through vertical casting nodes by grouting, which requires pre-setting grouting tensioning sleeves in the production process of the precast wall.

[0004] When the grouting tension sleeve is connected to the reinforced concrete prefabricated part, it will be placed outside the reinforced concrete prefabricated part before the concrete is poured. However, during the pouring process, the grouting tension sleeve will be subjected to a large impact and rotate, causing the position of the grouting port to deflect, thus affecting the subsequent connection between the prefabricated wall panel and the cast-in-place floor slab. Utility Model Content

[0005] In view of this, an embodiment of the present application provides a reinforced concrete tensioning sleeve to solve the technical problem in the related art that the tensioning sleeve and the reinforced concrete prefabricated parts may deflect during casting.

[0006] In order to achieve the above objectives, the present application provides the following technical solutions:

[0007] A reinforced concrete tensioning sleeve, comprising:

[0008] A sleeve, wherein an inner cavity is provided inside the sleeve;

[0009] A connecting rib, wherein the connecting rib is disposed in the inner cavity, the connecting rib is located between cavity walls adjacent to the inner cavity, a triangular cavity is formed between the connecting rib and the cavity wall, and a first groove is disposed on an outer surface of the connecting rib;

[0010] A prefabricated prism, wherein the prefabricated prism is disposed in the inner cavity, the center of the prefabricated prism coincides with the center of the sleeve, the shape of the prefabricated prism matches the shape of the inner cavity, the outer diameter of the prefabricated prism is smaller than the inner diameter of the inner cavity, and a second groove is disposed at the outer corner edge of the prefabricated prism;

[0011] A steel bar insertion rod is inserted between the prefabricated prism and the sleeve along the axial direction, and the steel bar insertion rod is respectively engaged with the first groove and the second groove and is adapted to both of them.

[0012] In some possible implementations, the prefabricated prism is designed as a hollow structure, and the inner cavity, the triangular chamber, and the prefabricated prism are all filled with concrete.

[0013] In some possible implementations, the sleeve is equal to the height of the prefabricated prism, and the top end of the sleeve is a feed slot communicated with the inner cavity.

[0014] In some possible implementations, a square hole is formed on the upper surface of the sleeve, and the square hole extends along the axial direction of the sleeve;

[0015] The inner wall surface of the sleeve is provided with a first positioning hole which is in communication with the square hole;

[0016] A second positioning hole is provided on the outer wall surface of the prefabricated prism, the second positioning hole is located beside the first positioning hole, and the outer diameter and shape of the second positioning hole are both adapted to the first positioning hole;

[0017] A positioning column, the positioning column comprising a limiting portion and an inserting portion, the outer diameter of the limiting portion is larger than the outer diameter of the first positioning hole, the positioning column passes through the first positioning hole and is inserted into the second positioning hole, the limiting portion is located in the square hole, and the cross-sectional shape of the limiting portion is a right-angle trapezoid;

[0018] A locking column, wherein the locking column is inserted into the square hole, and the plug connector of the locking column is provided with a trapezoidal portion used in conjunction with the limiting portion. The plug connector of the locking column and the limiting portion can be spliced ​​into a rectangle to push the positioning column outward into the second positioning hole.

[0019] In some possible implementations, the length of the locking column is smaller than the depth of the square hole.

[0020] In some possible implementations, the square hole is filled with the concrete to close the square hole.

[0021] The reinforced concrete tensioning sleeve provided in the embodiment of the present application has at least the following beneficial effects:

[0022] In the reinforced concrete tensioning sleeve provided in the embodiment of the present application, a first groove is provided on the outer surface of the connecting rib of the sleeve, and a second groove is provided on the outer surface of the prefabricated prism of the reinforced concrete prefabricated part opposite to the first groove. In addition, a steel bar plug is inserted between the sleeve and the reinforced concrete prefabricated part, and the steel bar plug coincides with the first groove and the second groove, respectively. With the above-mentioned structural design, the steel bar plug and the structure of the first groove and the second groove can prevent the sleeve and the prefabricated prism from rotating relative to each other during the concrete pouring process, thereby affecting the subsequent connection between the prefabricated wall panel and the cast-in-place floor slab. At the same time, the steel bar plug is inserted between the sleeve and the prefabricated prism, which can also strengthen the structural strength of the tensioning sleeve in the axial direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, 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 utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the structure of a reinforced concrete tensioning sleeve provided in an embodiment of the present application;

[0025] Figure 2 An exploded view of a reinforced concrete tension sleeve provided in an embodiment of the present application;

[0026] Figure 3 A schematic diagram of a sleeve structure of a reinforced concrete tensioning sleeve provided in another embodiment of the present application;

[0027] Figure 4 A side sectional view of a reinforced concrete tensioning sleeve provided in another embodiment of the present application.

[0028] In the figure:

[0029] 100, sleeve; 110, inner cavity; 200, connecting rib; 210, triangular chamber; 220, first groove; 300, prefabricated prism; 310, second groove; 400, steel bar insertion rod; 500, square hole; 600, first positioning hole; 700, second positioning hole; 800, positioning column; 810, limiting part; 820, plug-in part; 900, locking column; 910, plug connector. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] like Figure 1-Figure 2 As shown, the reinforced concrete tensioning sleeve 100 provided in the embodiment of the present application includes a sleeve 100, a connecting bar 200, a prefabricated prism 300 and a steel bar insertion rod 400, wherein the sleeve 100 is a cylindrical structure design with an inner cavity 110 inside. In this embodiment, the sleeve 100 is a prism with multiple sides. The connecting bar 200 is arranged in the inner cavity 110 of the sleeve 100. Specifically, the connecting bar 200 is located between the adjacent cavity walls of the inner cavity 110, and a triangular cavity 210 is formed between the connecting bar 200 and the adjacent cavity walls. In addition, the outer surface of the connecting bar 200 is also provided with a first groove 220.

[0032] The precast prism 300 is arranged in the inner cavity 110 of the sleeve 100. The shape of the precast prism 300 is adapted to the inner cavity 110 of the sleeve 100. The outer diameter of the precast prism 300 is smaller than the inner diameter of the inner cavity 110. In addition, the center point of the precast prism 300 coincides with the center line of the sleeve 100. In this embodiment, the precast prism 300 can be regarded as a reinforced concrete prefabricated part. In actual use, the sleeve 100 will be sleeved between the precast prisms 300, and concrete will be poured between the two. In contrast, the outer wall surface of the precast prism 300 is provided with a second groove 310, and the second groove 310 is located at the outer corner edge of the precast prism 300.

[0033] The steel bar insertion rod 400 is inserted in the gap between the prefabricated prism 300 and the sleeve 100, and the steel bar insertion rod 400 also overlaps with the first groove 220 on the connecting bar 200 and the second groove 310 on the prefabricated prism 300. The first groove 220 and the second groove 310 can be arc grooves, and the steel bar insertion rod 400 can be a cylindrical steel bar. The curvatures of the three are all adapted, so that the steel bar insertion rod 400 can be fixed between the prefabricated prism 300 and the sleeve 100, thereby preventing the prefabricated prism 300 and the sleeve 100 from rotating relative to each other.

[0034] In the reinforced concrete tensioning sleeve 100 provided in the embodiment of the present application, a first groove 220 is provided on the outer surface of the connecting bar 200 of the sleeve 100, and a second groove 310 is provided on the outer surface of the precast prism 300 of the reinforced concrete precast part opposite to the first groove 220. In addition, a steel bar plug rod 400 is inserted between the sleeve 100 and the reinforced concrete precast part, and the steel bar plug rod 400 overlaps with the first groove 220 and the second groove 310 respectively. With the above structural design, the sleeve 100 and the precast prism 300 can be prevented from rotating relative to each other during the concrete pouring process through the structure of the steel bar plug rod 400 and the first groove 220 and the second groove 310, thereby affecting the connection between the subsequent precast wall panel and the cast-in-place floor slab. At the same time, the steel bar plug rod 400 is inserted between the sleeve 100 and the precast prism 300, which can also strengthen the structural strength of the tensioning sleeve 100 in the axial direction.

[0035] In some embodiments, the prefabricated prism 300 may also be designed as a hollow structure, and the interior of the prefabricated prism 300, the inner cavity 110, and the triangular chamber 210 are all filled with concrete. The sleeve 100 is equal to the height of the prefabricated prism 300, and the top of the sleeve 100 is a feed slot for pouring concrete.

[0036] In some embodiments, Figure 3 and Figure 4 As shown, the upper surface of the sleeve 100 is provided with a plurality of square holes 500, which extend along the axial direction of the sleeve 100. The number of the square holes 500 is equal to the number of the wall surface of the sleeve 100, and the square holes 500 correspond to the wall surface of the sleeve 100 one by one. The inner wall surface of the sleeve 100 is also provided with a first positioning hole 600 which is connected with the square hole 500. In contrast, the surface of the prefabricated prism 300 opposite to the inner wall surface of the sleeve 100 is provided with a second positioning hole 700, which is located beside the first positioning hole 600, and the outer diameter and shape of the second positioning hole 700 are equal to those of the first positioning hole 600.

[0037] The positioning column 800 is a structure plugged into the first positioning hole 600 and the second positioning hole 700. The positioning column 800 is composed of a limiting portion 810 and an inserting portion 820. The outer diameter of the limiting portion 810 is greater than the inner diameter of the first positioning hole 600. The limiting portion 810 is located in the square hole 500, and the inserting portion 820 penetrates the first positioning hole 600 and extends into the second positioning hole 700. In addition, the cross-sectional shape of the inserting portion 820 is a right-angled trapezoid.

[0038] The locking column 900 is inserted into the square hole 500, and the plug connector 910 of the locking column 900 located in the square hole 500 is provided with a trapezoidal portion adapted to the plug-in portion 820. The trapezoidal portion of the plug connector 910 and the limiting portion 810 of the positioning column 800 can form a rectangle when spliced ​​together. When the two are spliced ​​together, the plug-in portion 820 of the positioning column 800 can be pushed outward from the first positioning hole 600 to the second positioning hole 700.

[0039] In actual use, the locking column 900 is pre-inserted into the square hole 500, and the plug connector 910 of the locking column 900 is in contact with the limiting portion 810 of the positioning column 800, so that the plug connector 820 of the positioning column 800 can be pushed outward into the second positioning hole 700. Preferably, the depth of the square hole 500 is greater than the length of the locking column 900. In actual use, concrete can be poured into the square hole 500 so that the concrete can close the square hole 500, so that the prefabricated prism 300 can be locked together with the sleeve 100 through the positioning column 800 to further strengthen the structural stability between the two.

[0040] The various embodiments or implementation methods in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referenced to each other.

[0041] It should be noted that the phrases "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include certain features, structures or characteristics, but not every embodiment may include the certain features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing certain features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments, whether explicitly or not explicitly described.

[0042] In general, terms should be understood, at least in part, by the context in which they are used. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending, at least in part, on the context. Similarly, terms such as "a," "an," or "the" may also be understood to convey singular usage or to convey plural usage, depending, at least in part, on the context.

[0043] It should be easily understood that “on,” “above,” and “over” in the present disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” not only includes the meaning of “above” or “over,” but also may include the meaning of “above” or “over something” with no intervening features or layers therebetween (i.e., directly on something).

[0044] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.

[0045] The term "substrate" as used herein refers to the material on which subsequent material layers are added. The substrate itself may be patterned. The material added on top of the substrate may be patterned, or may remain unpatterned. In addition, the substrate may include a wide range of materials, such as silicon, germanium, gallium arsenide, indium phosphide, etc. Alternatively, the substrate may be made of a non-conductive material (e.g., glass, plastic, or sapphire wafer, etc.).

[0046] The term "layer" used in the text may refer to a material portion including an area with a certain thickness. A layer may extend over the entire underlying structure or overlying structure, or may have a range smaller than the range of the underlying or overlying structure. In addition, a layer may be an area of ​​a homogeneous or inhomogeneous continuous structure, the thickness of which is less than the thickness of the continuous structure. For example, a layer may be located between the top surface and the bottom surface of the continuous structure or between any paired lateral planes at the top surface and the bottom surface. A layer may extend laterally, vertically and / or along a tapered surface. A substrate may be a layer, may include one or more layers therein, and / or may have one or more layers located thereon, above it and / or below it. A layer may include multiple layers. For example, an interconnect layer may include one or more conductors and a contact layer (forming contacts, interconnects and / or vias therein) and one or more dielectric layers.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A reinforced concrete tensioning sleeve, characterized in that: include: A sleeve (100), wherein an inner cavity (110) is provided inside the sleeve (100); A connecting rib (200), wherein the connecting rib (200) is disposed in the inner cavity (110), the connecting rib (200) is located between cavity walls adjacent to the inner cavity (110), a triangular cavity (210) is formed between the connecting rib (200) and the cavity wall, and a first groove (220) is disposed on an outer surface of the connecting rib (200); A prefabricated prism (300), wherein the prefabricated prism (300) is arranged in the inner cavity (110), the center of the prefabricated prism (300) coincides with the center of the sleeve (100), the shape of the prefabricated prism (300) matches the shape of the inner cavity (110), the outer diameter of the prefabricated prism (300) is smaller than the inner diameter of the inner cavity (110), and a second groove (310) is arranged at the outer corner edge of the prefabricated prism (300); A steel bar insertion rod (400) is inserted between the prefabricated prism (300) and the sleeve (100) along the axial direction, and the steel bar insertion rod (400) is respectively engaged with the first groove (220) and the second groove (310) and is compatible with both of them.

2. The reinforced concrete tensioning sleeve according to claim 1, characterized in that: The prefabricated prism (300) is designed as a hollow structure, and the inner cavity (110), the triangular chamber (210), and the prefabricated prism (300) are all filled with concrete.

3. The reinforced concrete tensioning sleeve according to claim 1, characterized in that: The sleeve (100) has the same height as the prefabricated prism (300), and the top end of the sleeve (100) is a feed slot connected to the inner cavity (110).

4. The reinforced concrete tensioning sleeve according to claim 1, characterized in that: A square hole (500) is provided on the upper surface of the sleeve (100), and the square hole (500) extends along the axial direction of the sleeve (100); The inner wall surface of the sleeve (100) is provided with a first positioning hole (600) which is connected to the square hole (500); The outer wall surface of the prefabricated prism (300) is provided with a second positioning hole (700), the second positioning hole (700) is located beside the first positioning hole (600), and the outer diameter and shape of the second positioning hole (700) are both compatible with the first positioning hole (600); A positioning column (800), the positioning column (800) comprising a limiting portion (810) and an inserting portion (820), the outer diameter of the limiting portion (810) being greater than the outer diameter of the first positioning hole (600), the positioning column (800) passing through the first positioning hole (600) and inserted into the second positioning hole (700), the limiting portion (810) being located in the square hole (500), and the cross-sectional shape of the limiting portion (810) being a right-angled trapezoid; A locking column (900), wherein the locking column (900) is inserted into the square hole (500), and the plug connector (910) of the locking column (900) is provided with a trapezoidal portion used in conjunction with the limiting portion (810). The plug connector (910) of the locking column (900) and the limiting portion (810) can be spliced ​​into a rectangle to push the positioning column (800) outward into the second positioning hole (700).

5. The reinforced concrete tensioning sleeve according to claim 4, characterized in that: The length of the locking column (900) is smaller than the depth of the square hole (500).

6. The reinforced concrete tensioning sleeve according to claim 5, characterized in that: The square hole (500) is filled with the concrete to close the square hole (500).

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