Ultra-high performance concrete prefabricated part node

Abstract

The utility model belongs to the technical field of assembly type buildings, and particularly relates to an ultra-high performance concrete prefabricated part node which comprises a lower prefabricated part and an upper prefabricated part, a supporting seat is arranged on the top of the lower prefabricated part, a pouring layer is arranged on the top of the supporting seat, a plurality of embedded holes are formed in the bottom of the pouring layer, and the embedded holes are formed in the top of the supporting seat. According to the ultra-high-performance concrete prefabricated component, in the construction process of the ultra-high-performance concrete prefabricated component, when the prefabricated components are spliced, the prefabricated components can be conveniently connected and positioned, the firmness of connecting joints is improved, the installation process is simple and reliable, and the construction efficiency is improved. And the connection strength of the prefabricated part node is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled buildings, in particular to an ultra-high performance concrete prefabricated component node. Background Art

[0002] Ultra-high performance concrete is a new type of high-tech concrete produced using conventional materials and processes. It has all the mechanical properties required by concrete structures. Ultra-high performance concrete does not stratify or segregate during the molding process and is easy to fill the model. It is a concrete with ultra-high durability, ultra-high workability, ultra-high life and ultra-high volume stability. Therefore, high-performance concrete is often used as the main material for prefabricated building components.

[0003] In the existing technology, in the process of ultra-high performance concrete prefabricated component construction, it is inconvenient to connect and position the prefabricated components when splicing them, which makes it easy for the connection nodes of the prefabricated components to become disconnected, affecting the connection firmness of the prefabricated component nodes. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above-mentioned problems and / or the problems existing in the existing prefabricated buildings, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide an ultra-high performance concrete prefabricated component node, which can facilitate the connection and positioning of prefabricated components when splicing prefabricated components during the construction process of ultra-high performance concrete prefabricated components, increase the firmness of the connection node, make the installation process simple and reliable, and improve the connection strength of the prefabricated component node.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A super high performance concrete prefabricated component node comprises a lower prefabricated component and an upper prefabricated component, wherein a support seat is arranged on the top of the lower prefabricated component, a casting layer is arranged on the top of the support seat, a plurality of embedded holes are arranged on the bottom of the casting layer, embedded steel bars corresponding to the embedded holes are arranged on the bottom of the upper prefabricated component, positioning grooves are arranged on the left and right side walls of the upper prefabricated component, a plug plate is arranged on the top of the support seat, one end of the plug plate is embedded and installed in the positioning groove, screw holes are arranged on the plug plate and the support seat correspondingly, connecting screws are arranged in the screw holes, and nuts are arranged on the side walls of the connecting screws.

[0009] As a preferred solution of an ultra-high performance concrete prefabricated component node described in the utility model, a plurality of fixing frames are arranged at the bottom of the support seat, the side walls of the plurality of fixing frames are welded to the outer side walls of the lower prefabricated component, and the inner walls of the fixing frames are connected to diagonal braces.

[0010] As a preferred solution of the ultra-high performance concrete prefabricated component node described in the utility model, the top of the support seat is provided with an anti-slip coating, and the anti-slip coating is bonded to the top of the support seat.

[0011] As a preferred solution of the ultra-high performance concrete prefabricated component node described in the utility model, inclined slopes are arranged on both sides of the inner cavity of the casting layer, and concrete is cast in the casting layer.

[0012] As a preferred solution of the ultra-high performance concrete prefabricated component node described in the utility model, the upper prefabricated component and the lower prefabricated component are both cast by ultra-high performance concrete.

[0013] As a preferred solution of the ultra-high performance concrete prefabricated component node described in the utility model, wherein: the insert plate is made of a Z-shaped steel plate.

[0014] As a preferred solution of an ultra-high performance concrete prefabricated component node described in the utility model, the upper prefabricated component and the support seat are connected through an insert plate and a positioning groove, and the insert plate and the support seat are fixed by connecting screws and nuts.

[0015] Compared with the prior art: In the present application document, 1. both the upper prefabricated components and the lower prefabricated components are cast by ultra-high performance concrete, and the embedded steel bars are inserted into the corresponding embedded holes, which facilitates the assembly of the upper prefabricated components and the lower prefabricated components. The embedded steel bars provide structural support and fixing during the construction of the upper prefabricated components, and play a role in strengthening the structure after the concrete is poured. One end of the plug plate is inserted into the positioning groove, so that the upper prefabricated component is connected to the top of the support seat through the plug plate, and the connecting screw is inserted into the corresponding screw hole, and the connecting screw is fixed by the nut, so that the plug plate is fixed, and the upper prefabricated component and the support seat are fixed through the plug plate, which is convenient for positioning, and the pouring layer is convenient for pouring concrete. The concrete flows from high to low through the slopes on both sides. The concrete is poured at a higher surface than the lower surface of the upper precast component, so that after the concrete solidifies, there will be no gap between the pouring layer and the upper precast component, thereby increasing the firmness of the connection nodes of the precast components. The precast component nodes are integrally cast and formed, so that the connection nodes of the precast components will not be disconnected. Therefore, in the process of ultra-high performance concrete precast component construction, it is convenient to connect and position the precast components when splicing them, thereby increasing the firmness of the connection nodes. The installation process is simple and reliable, and the connection strength of the precast component nodes is improved. 2. The fixing frame and the diagonal brace form a triangular fixed point, which is convenient for providing the support force points of the support seat. The fixing frames are evenly distributed at the bottom of the support seat, so that the support seat is evenly stressed and the stability is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0017] Figure 1 This is a structural schematic diagram of an ultra-high performance concrete prefabricated component node of the utility model;

[0018] Figure 2 This is a structural explosion diagram of a node of an ultra-high performance concrete prefabricated component of the utility model;

[0019] Figure 3 This is a structural cross-sectional view of a node of an ultra-high performance concrete prefabricated component of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of a fixing frame for a node of an ultra-high performance concrete prefabricated component.

[0021] In the figure: 100 lower prefabricated component, 110 support seat, 120 casting layer, 130 embedded hole, 200 upper prefabricated component, 210 embedded steel bar, 220 positioning groove, 230 plug plate, 240 screw hole, 250 connecting screw rod, 260 nut, 300 fixing frame, 310 diagonal support frame. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0025] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] The utility model provides an ultra-high performance concrete prefabricated component node, please refer to Figure 1-Figure 4, comprising a lower prefabricated component 100 and an upper prefabricated component 200, the top of the lower prefabricated component 100 is welded with a support seat 110, the top of the support seat 110 is formed with a casting layer 120, the bottom of the casting layer 120 is provided with a plurality of embedded holes 130, the bottom of the upper prefabricated component 200 is welded with embedded steel bars 210 corresponding to the embedded holes 130, the left and right side walls of the upper prefabricated component 200 are both provided with positioning grooves 220, the top of the support seat 110 is connected with The plug plate 230 has one end inserted into the positioning groove 220. The plug plate 230 and the support seat 110 are provided with screw holes 240 correspondingly. The screw hole 240 is threadedly connected with a connecting screw 250. The side wall of the connecting screw 250 is threadedly connected with a nut 260. Specifically, the embedded steel bar 210 is inserted into the corresponding embedded hole 130 to facilitate the assembly of the upper prefabricated component 200 and the lower prefabricated component 100. The embedded steel bar 210 is convenient for The upper prefabricated component 200 provides structural support and fixing during the construction process, and plays a role in strengthening the structure after the concrete is poured. One end of the plug plate 230 is inserted into the positioning groove 220, so that the upper prefabricated component 200 is connected with the top of the support seat 110 through the plug plate 230, and the connecting screw 250 is inserted into the corresponding screw hole 240, and the connecting screw 250 is fixed by the nut 260, so as to fix the plug plate 230, so that the upper prefabricated component 200 and the support seat 110 are fixed through the plug plate 230, which is convenient for positioning. It is convenient to pour concrete through the pouring layer 120, and the pouring top surface of the concrete is higher than the lower bottom surface of the upper prefabricated component 200, so that after the concrete is cured, there will be no gap between the pouring layer 120 and the upper prefabricated component 200, which increases the connection firmness of the prefabricated component connection node. The prefabricated component node is integrally cast and formed, so that the prefabricated component connection node will not be disconnected.

[0027] The top of the support seat 110 is provided with an anti-skid coating, which is bonded to the top of the support seat 110. Specifically, the anti-skid coating increases the friction between the plug board 230 and the support seat 110, making the plug board 230 less likely to slide and improving the connection stability.

[0028] Inclined slopes are provided on both sides of the inner cavity of the casting layer 120 , and concrete is cast in the casting layer 120 . Specifically, the concrete flows from high to low through the slopes on both sides, which is conducive to the concrete filling densely into the casting layer 120 .

[0029] The upper prefabricated component 200 and the lower prefabricated component 100 are both cast from ultra-high performance concrete.

[0030] The insert plate 230 is made of a Z-shaped steel plate, which is convenient for positioning and connecting the upper prefabricated component 200 and the support seat 110 and for easy installation.

[0031] The upper prefabricated component 200 and the support seat 110 are connected to the positioning groove 220 through the plug plate 230, and the plug plate 230 and the support seat 110 are fixed by connecting screws 250 and nuts 260. Specifically, it is convenient to fix the connection nodes of the prefabricated components and facilitate assembly.

[0032] Combination Figure 1-Figure 4 , a node of an ultra-high performance concrete prefabricated component in this embodiment, the specific use process is as follows: the upper prefabricated component 200 and the lower prefabricated component 100 are both cast by ultra-high performance concrete. In the process of ultra-high performance concrete prefabricated component construction, the embedded steel bar 210 is inserted into the corresponding embedded hole 130 to connect the upper prefabricated component 200 with the lower prefabricated component 100, which is convenient for assembly. The embedded steel bar 210 is convenient for providing structural support and fixing during the construction process of the upper prefabricated component 200. The plug plate 230 is used to insert one end of the plug plate 230 into the positioning groove 220, so that the upper prefabricated component 200 is connected with the top of the support seat 110 through the plug plate 230, and the connecting screw 250 is inserted into the corresponding screw hole 240, and the connecting screw 250 is tightened by the nut 260. 0 is fixed, thereby fixing the plug plate 230, so that the upper prefabricated component 200 and the support seat 110 are fixed through the plug plate 230, which is convenient for positioning and increases the firmness of the connection node. Concrete is poured through the pouring layer 120, and the concrete flows from high to low through the slopes on both sides, which is conducive to the concrete filling densely into the pouring layer 120. The pouring top surface of the concrete is higher than the lower bottom surface of the upper prefabricated component 200, so that after the concrete is solidified, there will be no gap between the pouring layer 120 and the upper prefabricated component 200, thereby increasing the connection firmness of the prefabricated component connection node. The prefabricated component node is integrally cast and formed, so that the prefabricated component connection node will not be disconnected. The embedded steel bars 210 play a role in strengthening the structure after the concrete is poured, thereby improving the connection strength of the prefabricated component node.

[0033] Figure 3-Figure 4 The structure diagram of the second embodiment of the ultra-high performance concrete prefabricated component node of the utility model is shown. Figure 3-Figure 4 Different from the above-mentioned embodiment, a plurality of fixing frames 300 are arranged at the bottom of the support seat 110, and the side walls of the fixing frames 300 are welded to the outer side wall of the lower prefabricated component 100, and the inner wall of the fixing frame 300 is connected with the diagonal support frame 310. Specifically, the fixing frames 300 and the diagonal support frame 310 form a triangular fixed point, which is convenient for providing a supporting force point for the support seat 110. The fixing frames 300 are evenly distributed at the bottom of the support seat 110, so that the support seat 110 is evenly stressed and the stability is improved.

[0034] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An ultra-high performance concrete prefabricated component node, characterized in that: The invention comprises a lower prefabricated component (100) and an upper prefabricated component (200), wherein a support seat (110) is arranged on the top of the lower prefabricated component (100), a casting layer (120) is arranged on the top of the support seat (110), a plurality of embedded holes (130) are arranged on the bottom of the casting layer (120), embedded steel bars (210) corresponding to the embedded holes (130) are arranged on the bottom of the upper prefabricated component (200), and the upper prefabricated component ( The left and right side walls of the support seat (110) are both provided with positioning grooves (220), the top of the support seat (110) is provided with an insert plate (230), one end of the insert plate (230) is embedded and installed in the positioning groove (220), the insert plate (230) and the support seat (110) are correspondingly provided with screw holes (240), a connecting screw rod (250) is provided in the screw hole (240), and a nut (260) is provided on the side wall of the connecting screw rod (250).

2. The ultra-high performance concrete prefabricated component node according to claim 1, characterized in that: A plurality of fixing frames (300) are arranged at the bottom of the support seat (110), the side walls of the plurality of fixing frames (300) are welded to the outer side wall of the lower prefabricated component (100), and the inner wall of the fixing frame (300) is connected to a diagonal support frame (310).

3. The ultra-high performance concrete prefabricated component node according to claim 1, characterized in that: The top of the support seat (110) is provided with an anti-slip coating, and the anti-slip coating is bonded to the top of the support seat (110).

4. The ultra-high performance concrete prefabricated component node according to claim 1, characterized in that: Inclined slopes are provided on both sides of the inner cavity of the casting layer (120), and concrete is cast in the casting layer (120).

5. The ultra-high performance concrete prefabricated component node according to claim 1, characterized in that: The upper prefabricated component (200) and the lower prefabricated component (100) are both cast from ultra-high performance concrete.

6. The ultra-high performance concrete prefabricated component node according to claim 1, characterized in that: The inserting plate (230) is made of a Z-shaped steel plate.

7. The ultra-high performance concrete prefabricated component node according to claim 1, characterized in that: The upper prefabricated component (200) and the support seat (110) are connected to the positioning groove (220) via an insert plate (230), and the insert plate (230) and the support seat (110) are fixed via a connecting screw (250) and a nut (260).

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