Prefabricated part

Abstract

The utility model discloses a prefabricated part which comprises a concrete machine body, a first side plate and a second side plate. According to the prefabricated part, one side of a concrete machine body is fixedly connected with a first side plate, the other side of the concrete machine body is fixedly connected with a second side plate, the side, close to the concrete machine body, of the first side plate is fixedly connected with a fixing plate, the fixing plate is fixedly connected with an inserting head, the second side plate is fixedly connected with an inserting groove, and slope grooves are symmetrically formed in the inserting head; a wedge block matched with the slope groove is arranged in the slope groove, the inclined face of the bottom of the wedge block and the inclined face of the slope groove slide in an attached mode, and a prefabricated part composed of the concrete machine body is connected in a plug-in mode through the plug and the slot connected to the first side plate and the second side plate and is locked through the wedge block in cooperation with a threaded column and a nut after plug-in connection. The wedge block extrudes the inclined surface of the slope groove, so that the plug is abutted against the interior of the slot, the first side plate and the second side plate are close to each other, and generation of a direct insertion connection gap is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete parts, in particular to a prefabricated part. Background Art

[0002] With the continuous development of the economy, roads and bridges are built in large numbers, providing people with convenient transportation. During the construction of roads and bridges, prefabricated parts are often required, that is, concrete or steel structure components prefabricated in factories or on-site according to design specifications, among which prefabricated concrete parts are the most common. Current prefabricated concrete parts generally include concrete matrix, reinforcement structure and connection parts, which can effectively improve construction efficiency.

[0003] In the prior art with publication (announcement) number: CN220184276U and publication (announcement) date: 2023-12-15, a prefabricated part is disclosed, and the problem that "it is found during the installation process of existing concrete prefabricated parts that the connection of the connecting parts is generally achieved by bolts or welding, and workers are required to operate in the narrow space between the two prefabricated parts. The operation is time-consuming and labor-intensive, there are safety risks, and it is not conducive to improving the installation efficiency" is proposed, and the problem is solved.

[0004] However, in the above-mentioned prior art, the concrete bodies are connected by inserting and locking with rods, which easily leads to gaps between the connecting surfaces of the concrete matrix, causing water leakage or air leakage. Therefore, a new prefabricated part is proposed to optimize the above-mentioned prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a prefabricated part to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A prefabricated part comprises a concrete body, wherein a first side plate is fixedly connected to one side of the concrete body, a second side plate is fixedly connected to the other side of the concrete body, a fixing plate is fixedly connected to the side of the first side plate close to the concrete body, a plug is fixedly connected to the fixing plate, the plug is fixedly passed through the first side plate, a hole for the plug to be fixedly passed through is provided on the first side plate, the plug is fixed to the fixing plate and the first side plate at the same time, the fixing plate is fixed to the back side of the side plate, thereby improving the fixing strength of the plug, a slot is fixedly connected to the second side plate, a slope groove is symmetrically provided on the top of the plug, an inclined groove is provided on the top of the slope groove, an avoidance groove connected to the slope groove is provided at a position corresponding to the slope groove on the plug, the avoidance groove extends to the front end of the plug, a wedge block adapted to the slope groove is provided in the slope groove, the bottom inclined surface of the wedge block fits and slides with the inclined surface of the slope groove, a threaded column is fixedly connected to the corresponding avoidance groove in the slot, a nut is threadedly connected to the end of the threaded column, and an insertion hole corresponding to and adapted to the wedge block is provided at a position corresponding to the threaded column in the slot.

[0008] As a further solution of the utility model: sealing grooves are provided on both sides of the first side plate corresponding to the plug, and sealing strips are fixedly connected on both sides of the second side plate corresponding to the slot, and the sealing strips are inserted into the sealing grooves and matched with the sealing grooves.

[0009] As a further solution of the utility model: a steel bar frame is fixedly connected in the concrete body, the first side plate and the second side plate are respectively fixedly connected to two sides of the steel bar frame, and the fixing plate and the slot are both fixedly embedded in the concrete body.

[0010] As a further solution of the utility model: weight-reducing holes are evenly opened on the concrete body, and reinforcing ribs are arranged in the weight-reducing holes as a whole with the concrete body.

[0011] As a further solution of the utility model: the plug passes through the second side plate and is inserted into the slot and matched with the slot, the threaded column is matched with the avoidance groove, and a round hole for the threaded column to pass through and move is opened on the wedge block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The prefabricated parts of the concrete body in the utility model are connected by plugging and connecting the plug and the slot connected on the first side plate and the second side plate. After the plugging and connecting, the wedge block is used to cooperate with the threaded column and the nut for locking. The wedge block is pressed against the inclined surface of the ramp groove so that the plug is pressed against the inside of the slot, so that the first side plate and the second side plate are closely connected to each other, avoiding the generation of a gap in the direct plugging connection.

[0014] 2. The utility model provides a sealing groove and a sealing strip. When the first side plate and the second side plate are pressed close to each other, the sealing strip is inserted into the sealing groove to further form a gap blocking effect, thereby improving the tightness of the connection and avoiding water or air leakage.

[0015] 3. The utility model can reduce the deadweight of the prefabricated parts by setting the weight-reducing holes, thereby facilitating the transportation and installation of the prefabricated parts. At the same time, the setting of the reinforcing ribs will not reduce the supporting effect of the prefabricated parts due to the opening of the weight-reducing holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a prefabricated component.

[0017] Figure 2 A top view of a prefabricated component.

[0018] Figure 3 A schematic side view of a prefabricated component.

[0019] In the figure: 1. concrete body; 2. first side plate; 3. second side plate; 4. fixing plate; 5. plug; 6. slot; 7. slope groove; 8. avoidance notch; 9. wedge; 10. threaded column; 11. nut; 12. sealing groove; 13. sealing strip; 14. steel frame; 15. weight-reducing hole; 16. reinforcing rib; 17. insertion hole. DETAILED DESCRIPTION

[0020] 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 in 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.

[0021] See also Figures 1 to 3In an embodiment of the utility model, a prefabricated part includes a concrete body 1, a first side plate 2 is fixedly connected to one side of the concrete body 1, a second side plate 3 is fixedly connected to the other side of the concrete body 1, a fixing plate 4 is fixedly connected to the side of the first side plate 2 close to the concrete body 1, a plug 5 is fixedly connected to the fixing plate 4, the plug 5 is fixedly penetrated through the first side plate 2, a hole for the plug 5 to be fixedly penetrated is provided on the first side plate 2, the plug 5 is fixed to the fixing plate 4 and the first side plate 2 at the same time, the fixing plate 4 is fixed to the back side of the side plate 2, thereby improving the fixing strength of the plug 5, a slot 6 is fixedly connected to the second side plate 3, the plug 5 is inserted into the slot 6 after penetrating the second side plate 3 and is in contact with the plug The slot 6 is adapted, and a slope groove 7 is symmetrically opened on the upper part of the plug 5. The top of the slope groove 7 is provided with an inclined chamfer, and an avoidance groove 8 connected with the slope groove 7 is opened on the plug 5 corresponding to the slope groove 7. The avoidance groove 8 extends to the front end of the plug 5, and a wedge 9 adapted thereto is provided in the slope groove 7. The bottom inclined surface of the wedge 9 slides in fit with the inclined surface of the slope groove 7, and a threaded column 10 is fixedly connected to the avoidance groove 8 in the slot 6. The threaded column 10 is adapted to the avoidance groove 8, and a nut 11 is threadedly connected to the end of the threaded column 10, and a round hole for the threaded column 10 to pass through and move is opened on the wedge 9, and an insertion hole 17 corresponding to and adapted to the wedge 9 is opened at the slot 6 corresponding to the threaded column 10.

[0022] The prefabricated part consisting of the concrete body 1 is connected by plugging and connecting the plug 5 and the slot 6 connected on the first side plate 2 and the second side plate 3. After the plugging and connecting, the wedge block 9 is locked in cooperation with the threaded column 10 and the nut 11. The wedge block 9 is pressed against the inclined surface of the ramp groove 7 so that the plug 5 is pressed against the inside of the slot 6, so that the first side plate 2 and the second side plate 3 are closely connected to each other, avoiding the generation of a gap in the direct plug-in connection.

[0023] Sealing grooves 12 are provided on both sides of the first side plate 2 corresponding to the plug 5 , and sealing strips 13 are fixedly connected on both sides of the second side plate 3 corresponding to the slot 6 . The sealing strips 13 are inserted into the sealing grooves 12 and matched with the sealing grooves 12 .

[0024] By setting the sealing groove 12 and the sealing strip 13, when the first side plate 2 and the second side plate 3 are pressed close to each other, the sealing strip 13 is inserted into the sealing groove 12 to further form a gap blocking effect, thereby improving the tightness of the connection and avoiding water leakage or air leakage.

[0025] A steel frame 14 is fixedly connected inside the concrete body 1, the first side plate 2 and the second side plate 3 are fixedly connected to the two sides of the steel frame 14 respectively, the fixing plate 4 and the slot 6 are fixedly embedded in the concrete body 1, the first side plate 2 and the second side plate 3 are directly welded and fixed to the steel frame 4, and at the same time, the fixing plate 4, the slot 6, the first side plate 2 and the second side plate 3 are tightly connected to the concrete, thereby effectively improving the connection strength and preventing the first side plate 2 and the second side plate 3 from falling off.

[0026] The concrete body 1 is evenly provided with weight-reducing holes 15 , and the weight-reducing holes 15 are provided with reinforcing ribs 16 which are integrally provided with the concrete body 1 .

[0027] The weight-reducing holes 15 can reduce the weight of the prefabricated parts, thereby facilitating the transportation and installation of the prefabricated parts. Meanwhile, the reinforcing ribs 16 are provided so that the supporting effect of the prefabricated parts is not reduced due to the weight-reducing holes 15 .

[0028] The working principle of the utility model is:

[0029] When in use, first bring the first side plates 2 and the second side plates 3 of the two adjacent concrete bodies 1 close to each other so that the plug 5 is inserted into the slot 6. During the insertion process, the threaded column 10 enters the slope groove 7 through the avoidance notch 8. When the first side plate 2 and the second side plate 3 are close to each other, the sealing strip 13 can be inserted into the sealing groove 12. At this time, the wedge block 9 is inserted into the slope groove 7 through the insertion hole 17. At this time, the threaded column 10 penetrates the wedge block 9, and the nut 11 is further screwed on the end of the threaded column 10. The nut 11 squeezes the wedge block 9, and the wedge block 9 squeezes the slope groove 7 through the inclined surface, so that the plug 5 is further inserted into the slot 6 tightly, so that the first side plate 2 and the second side plate 3 are tightly fitted, and at the same time, the sealing strip 13 and the sealing groove 12 are tightly inserted to form a tighter connection, thereby avoiding the occurrence of gaps during connection that cause water leakage or air leakage.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A prefabricated part, comprising a concrete body (1), characterized in that: The concrete body (1) is fixedly connected to a first side plate (2) on one side, and fixedly connected to a second side plate (3) on the other side of the concrete body (1). A fixing plate (4) is fixedly connected to the first side plate (2) on a side close to the concrete body (1). A plug (5) is fixedly connected to the fixing plate (4). The plug (5) is fixedly passed through the first side plate (2). A slot (6) is fixedly connected to the second side plate (3). The plug (5) is symmetrically provided with a slope groove (7). An avoidance notch (8) communicating with the slope groove (7) is provided at the slope groove (7), a wedge block (9) adapted thereto is provided in the slope groove (7), the bottom inclined surface of the wedge block (9) slides in contact with the inclined surface of the slope groove (7), a threaded column (10) is fixedly connected to the avoidance notch (8) in the slot (6), a nut (11) is threadedly connected to the end of the threaded column (10), and an insertion hole (17) corresponding to and adapted to the wedge block (9) is provided at the slot (6) corresponding to the threaded column (10).

2. A prefabricated part according to claim 1, characterized in that: The first side plate (2) is provided with sealing grooves (12) on both sides corresponding to the plug (5), and the second side plate (3) is fixedly connected with sealing strips (13) on both sides corresponding to the slot (6), and the sealing strips (13) are inserted into the sealing grooves (12) and matched with the sealing grooves (12).

3. A prefabricated part according to claim 1, characterized in that: A steel frame (14) is fixedly connected inside the concrete body (1), the first side plate (2) and the second side plate (3) are respectively fixedly connected to two sides of the steel frame (14), and the fixed plate (4) and the slot (6) are both fixedly embedded in the concrete body (1).

4. A prefabricated part according to claim 1, characterized in that: The concrete body (1) is evenly provided with weight-reducing holes (15), and the weight-reducing holes (15) are provided with reinforcing ribs (16) integrally arranged with the concrete body (1).

5. A prefabricated part according to claim 1, characterized in that: The plug (5) passes through the second side plate (3) and is inserted into the slot (6) and is matched with the slot (6). The threaded column (10) is matched with the avoidance notch (8). A round hole for the threaded column (10) to pass through and move is opened on the wedge block (9).

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