A steel-PVC casing rigid connection type wall panel embedded part device and its manufacturing method

Abstract

The present invention discloses a steel-PVC casing rigid-joint wall panel embedded part device, which is composed of seven parts: a surface steel plate, a PVC round tube sleeve, a mounting bolt, a round steel tube, a steel annular anchor connector, a mounting bolt pad and an L-shaped extension screw. The surface steel plate is provided with a circular hole in the center, and the outer side of one end of the round steel tube is provided with a right-handed thread, and the other end is centrally placed on the outer periphery of the circular hole and welded to the inner surface of the surface steel plate; the steel annular anchor connector has a convex cross-section, and its inner side is provided with a right-handed thread, and the outer side of the protruding part is also provided with a right-handed thread; the mounting bolt has a right-handed thread and is arranged in the PVC round tube sleeve, and the bolt head passes through the round steel tube to the circular hole of the surface steel plate to form an embedded part for an external wall panel. The present invention also discloses a method for making the embedded part device, which is convenient for construction and can solve the problems of the existing embedded parts for external wall panels being single in form, inconvenient for construction, and prone to "cold and hot bridges".

Description

Technical Field

[0001] The invention belongs to the technical field of construction, and in particular relates to a steel-PVC casing rigid-joint wall panel embedded part device and a manufacturing method thereof. Background Art

[0002] As the external protective structure of the steel structure, the prefabricated external wall panels should not only have good thermal insulation functions, but also be "lightweight and high-strength", that is, on the basis of meeting the strength requirements of the specifications, they are relatively light. Prefabricated external wall panels are generally composite wall panels (wall panels made by mixing cement, slag powder, desulfurized gypsum, fly ash and other cementitious materials with sand, polystyrene particles, etc.). Considering that this composite wall panel has the characteristics of lighter weight and lower strength compared with general concrete wall panels, the embedded parts used should also be different from the embedded parts of traditional concrete wall panels. Considering the equipment operation requirements for factory-based mass production of prefabricated external wall panels and the need to stack wall panels during transportation and stacking, wall panels with flat surfaces on both sides will undoubtedly help improve the production efficiency of wall panel preparation, and save space and ensure safety during the transportation and stacking of wall panels.

[0003] In the prior art, prefabricated external wall panels mostly use traditional π-type embedded parts or double steel plate embedded threaded sleeve embedded parts. Compared with traditional π-type embedded parts, the present invention has the advantage of better bonding integrity with prefabricated wall panels; and the connection between traditional π-type embedded wall panels and steel frames can only be achieved by direct welding or welding of connectors and then bolting, which increases the amount and difficulty of on-site construction. Compared with double steel plate embedded threaded sleeve embedded parts, the use of bolt pre-embedded methods effectively solves the problem of materials blocking bolt holes during the casting of wall panels, and can effectively avoid the problem of bolt loosening after the wall panels are installed. In addition, the type of exposed bolts of traditional wall panel embedded parts will increase the difficulty and transportation cost of casting and maintenance of wall panels to a certain extent. Based on this, the present invention came into being. Summary of the invention

[0004] The purpose of the present invention is to provide an embedded part for an assembled steel structure prefabricated external wall panel with a simple structure and convenient construction, so as to solve the problems of the existing embedded parts for external wall panels having a single form, inconvenient construction, and easy existence of "cold and hot bridges".

[0005] The specific technical scheme of the present invention is: a steel-PVC casing rigid connection type wall panel embedded part device, the embedded part device is composed of seven parts: a surface steel plate, a PVC round tube sleeve, a mounting bolt, a round steel pipe, a steel annular anchor connector, a mounting bolt pad and an L-shaped extension screw; the surface steel plate is centrally provided with a round hole, one end of the round steel pipe is provided with a right-handed thread on the outside, and the other end is centrally placed on the outer periphery of the round hole and welded to the inner surface of the surface steel plate; the steel annular anchor connector has a "convex" cross-section, and a right-handed thread is provided on the inside, and a right-handed thread is also provided on the outside of the protruding part; the inside of the opening end of the PVC round tube sleeve is provided with a right-handed thread, which is installed on the outside of the protruding part of the steel annular anchor connector, and the round steel pipe is threadedly connected to the inner side of the steel annular anchor connector; the mounting bolt has a right-handed thread and is arranged in the PVC round tube sleeve, and the bolt head passes through the round steel pipe to the round hole of the surface steel plate to form an embedded part for the external wall panel.

[0006] Furthermore, the mounting bolt is a high-strength bolt, a concave circular hole is provided at the center of the end of the screw rod, and a left-hand thread is provided inside the hole.

[0007] Furthermore, a left-hand thread matching the concave circular hole is provided on the outer side of the long side end of the L-shaped extension screw.

[0008] Furthermore, the L-shaped extension screw can be screwed into the concave circular hole at the end of the mounting bolt to pull out and lock the mounting bolt, thereby preventing the mounting bolt from idling when the nut is tightened.

[0009] Furthermore, the surface steel plate and the steel annular anchor connector are parallel to each other, and the round steel pipe is vertically welded to the surface steel plate and fastened and bolted to the steel annular anchor connector.

[0010] Furthermore, a method for manufacturing a steel-PVC casing rigid-joint wall panel embedded part device comprises the following steps:

[0011] First, weld the two ends of the round steel pipe to the surface steel plate and bolt them to the steel ring anchor connectors; secondly, place the mounting bolts in the PVC round pipe sleeve, pass through the round steel pipe, and extend to the circular hole position on the surface steel plate; finally, fasten and bolt the PVC round pipe sleeve to the steel ring connector to complete the production of the embedded parts.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1) The embedded parts for the prefabricated steel structure external wall panels of the present invention, the parallel surface steel plates and the steel annular anchor connectors, are vertically welded and bolted to the round steel pipes, and have good integrity. The steel annular anchor connector effectively ensures the adhesion between the embedded parts and the prefabricated wall panel concrete. The bottom plate of the PVC round tube sleeve is flush with the exterior wall panel, which can effectively isolate the transfer of indoor and outdoor heat at the embedded parts, thereby avoiding the existence of "cold and hot bridges" at the embedded parts.

[0014] 2) The embedded parts for the prefabricated assembled steel structure external wall panels of the present invention are self-contained and can be produced in a standardized manner. The height of the embedded parts is consistent with the thickness of the wall panels, and the surface steel plate and bottom steel plate of the embedded parts are flush with the inner and outer surfaces of the prefabricated wall panels respectively. The embedded part mounting bolts are built into the embedded parts, which prevents the bolts from being exposed on the surface of the prefabricated wall panels, and facilitates the casting, transportation and stacking of the prefabricated wall panels.

[0015] 3) The embedded parts for the prefabricated steel structure external wall panels of the present invention have mounting bolts arranged inside the embedded parts. When the wall panels are installed, the L-shaped extension screw can directly take out the bolts and bolt them to the main steel structure frame. The embedded part mounting bolts are bolted to the U-shaped lifting rings and can be directly used for the lifting of the wall panels, thereby avoiding the separate setting of the embedded parts for lifting the wall panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of a steel-PVC casing rigid connection type wall panel embedded part device of the present invention;

[0017] Figure 2 yes Figure 1 1-1 sectional view of the embedded parts;

[0018] Figure 3 yes Figure 1 2-2 sectional view of the embedded part;

[0019] Figure 4 yes Figure 1 The front view of the steel circular anchor connector;

[0020] Figure 5 yes Figure 1 Left side view of the steel circular anchor connector;

[0021] Figure 6 It is a schematic diagram of an L-type extension screw;

[0022] Figure 7 It is a schematic diagram of an application example of a steel-PVC casing rigid connection type wall panel embedded part device of the present invention;

[0023] Figure 8 yes Figure 7 Front view of the middle angle steel connector;

[0024] Fig. 9 yes Figure 7 Left view of the center angle connector connector.

[0025] Among them, 1. Surface steel plate; 2. PVC round tube sleeve; 3. Mounting bolts; 4. Round steel tube; 5. Steel circular anchor connector; 6. Round hole; 7. Concave round hole; 8. Bolt gasket; 9. L-shaped extension screw; 10. Embedded parts; 11. Prefabricated external wall panel; 12. I-beam steel beam; 13. Angle steel connector; 14. First rib; 15. Second rib; 16. Long round hole. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings.

[0027] like Figure 1-Figure 6 As shown, a steel-PVC casing rigid-joint wall panel embedded part device is composed of seven parts, namely, a surface steel plate 1, a PVC round tube sleeve 2, a mounting bolt 3, a round steel tube 4, a steel annular anchor connector 5, a mounting bolt pad 8 and an L-shaped extension screw 9.

[0028] A circular hole 6 is opened in the center of the surface steel plate 1, and a right-handed thread is provided on the outer side of one end of the circular steel pipe 4, and the other end is centrally placed on the outer periphery of the circular hole 6 and welded to the inner surface of the surface steel plate 1; the cross-section of the steel annular anchor connector 5 is "convex" in shape, and a right-handed thread is provided on the inner side, and a right-handed thread is also provided on the outer side of the protruding part; the inner side of the open end of the PVC circular tube sleeve 2 is provided with a right-handed thread, which is installed on the outer side of the protruding part of the steel annular anchor connector 5, and the circular steel pipe 4 is threadedly connected to the inner side of the steel annular anchor connector 5; the mounting bolt 3 has a right-handed thread and is arranged in the PVC circular tube sleeve 2, and the bolt head passes through the circular steel pipe 4 to the circular hole 6 of the surface steel plate 1, forming an embedded part for the external wall panel.

[0029] The mounting bolt 3 is a high-strength bolt, with a concave circular hole 7 at the center of the screw end, and a left-handed thread inside the hole. The left-handed thread matching the concave circular hole 7 is provided on the outer side of the long side end of the L-shaped extension screw 9.

[0030] The L-shaped extension screw 9 can be screwed into the concave circular hole 7 at the end of the mounting bolt 3 to pull out and lock the mounting bolt 3 to prevent the mounting bolt 3 from idling when the nut is tightened.

[0031] In this embodiment, the surface steel plate 1 is a square plate with a size of 120-200mm×120-200mm and a thickness of 6-14mm. The outer diameter of the round steel pipe 4 is not less than 50mm, the wall thickness is 6-12mm, and the length of the right-handed external thread is not less than 40mm. The inner ring diameter of the anchor plate of the steel circular anchor connector 5 is not less than 50mm, and should be equal to the outer diameter of the round steel pipe 4, with a thickness of 4-12mm; the height of the protruding part is not less than 40mm, and a full-height right-handed thread is provided on the inside, and the length of the right-handed thread on the outside is 10-36mm.

[0032] The inner diameter of the PVC round tube sleeve 2 is not less than 50mm, the thickness is 4-10mm, and the length of the right-handed internal thread at the open end is 10-36mm. The diameter of the circular hole 6 opened at the center of the surface steel plate 1 is recommended to be 1-2mm larger than the diameter of the screw of the mounting bolt 3. The diameter of the mounting bolt 3 is not less than 20mm, the diameter of the left-handed internal screw hole at the end of the screw is 8-16mm, and the length is 16-40mm. The diameter of the L-type extension screw 9 is 8-16mm, the length of the long side is 200-300mm, the length of the short side is 100-150mm, and the length of the left-handed thread at the end of the long side is 18-42mm.

[0033] A method for manufacturing a steel-PVC casing rigid-joint wall panel embedded part device, comprising the following steps:

[0034] First, the two ends of the round steel pipe 4 are welded to the surface steel plate 1 and bolted to the steel ring anchor connector 5; secondly, the mounting bolts 3 are placed in the PVC round pipe sleeve 2, passed through the round steel pipe 4, and extended to the position of the round hole 6 on the surface steel plate 1; finally, the PVC round pipe sleeve 2 is fastened and bolted to the steel ring connector 5 to complete the production of the embedded parts.

[0035] When installing and using, Figure 7-9 The embedded part 10 is set in the prefabricated external wall panel 11 for connecting the prefabricated external wall panel with the I-shaped steel beam 12. The connecting part can be as follows Figure 8 The angle steel connector 13 is shown in FIG. The angle steel connector 13 is welded to the I-shaped steel beam 12 of the main frame of the steel structure, and a vertical oblong hole 16 is opened on the angle steel connector 13.

[0036] For more stable installation, a first rib 14 is welded between the flange and web of the I-shaped steel beam 12 to improve the force balance of the I-shaped steel beam. Second ribs 15 are welded on both sides of the vertical oblong hole 16 on the angle steel connector 13 to improve the overall rigidity of the angle steel connector 13.

[0037] During assembly, after the wall panel is hoisted into place, first use the L-shaped extension screw 9 to pull the mounting bolt 3 out of the embedded part 10 and pass it through the oblong hole 16 opened on the angle steel connector 13; secondly, pass the mounting nut through the L-shaped extension screw 9 and fasten it with the mounting bolt 3; finally, unscrew the L-shaped extension screw 9 from the mounting bolt 3 to complete the installation of the wall panel.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for manufacturing a steel-PVC casing rigid-joint wall panel embedded part device, characterized in that: The embedded part device is composed of seven parts: a surface steel plate (1), a PVC round tube sleeve (2), a mounting bolt (3), a round steel tube (4), a steel annular anchor connector (5), a mounting bolt pad (8) and an L-shaped extension screw (9); The surface steel plate (1) is provided with a circular hole (6) in the center, one end of the circular steel pipe (4) is provided with a right-handed thread on the outside, and the other end is centrally placed on the periphery of the circular hole (6) and welded to the inner surface of the surface steel plate (1); the cross-section of the steel annular anchor connector (5) is "convex" shaped, and a right-handed thread is provided on the inside, and a right-handed thread is also provided on the outside of the protruding part; the inner side of the open end of the PVC circular tube sleeve (2) is provided with a right-handed thread, which is installed on the outside of the protruding part of the steel annular anchor connector (5), and the circular steel pipe (4) is threadedly connected to the inner side of the steel annular anchor connector (5); the mounting bolt (3) has a right-handed thread and is arranged in the PVC circular tube sleeve (2), and the bolt head passes through the circular steel pipe (4) to the circular hole (6) of the surface steel plate (1), forming an embedded part for the external wall panel; The steps are: First, the two ends of the round steel pipe (4) are respectively welded to the surface steel plate (1) and bolted to the steel circular ring anchor connector (5); secondly, the mounting bolt (3) is placed in the PVC round pipe sleeve (2), passed through the round steel pipe (4), and extended to the position of the circular hole (6) on the surface steel plate (1); finally, the PVC round pipe sleeve (2) and the steel circular ring connector (5) are fastened and bolted to complete the production of the embedded part.

2. The method for manufacturing a steel-PVC casing rigid-joint wall panel embedded part device according to claim 1, characterized in that: The mounting bolt (3) is a high-strength bolt, a concave circular hole (7) is provided at the center of the end of the screw rod, and a left-hand thread is provided inside the hole.

3. The method for manufacturing a steel-PVC casing rigid connection type wall panel embedded part device according to claim 2, characterized in that: The outer side of the long side end of the L-shaped extension screw (9) is provided with a left-hand thread matching the concave circular hole (7).

4. The method for manufacturing a steel-PVC casing rigid connection type wall panel embedded part device according to claim 1, characterized in that: The L-shaped extension screw (9) can be screwed into the concave circular hole (7) at the end of the mounting bolt (3), so as to pull out and lock the mounting bolt (3) and prevent the mounting bolt (3) from idling when the nut is tightened.

5. The method for manufacturing a steel-PVC casing rigid connection type wall panel embedded part device according to claim 1, characterized in that: The surface steel plate (1) and the steel annular anchor connector (5) are parallel to each other, and the round steel pipe (4) is respectively vertically welded to the surface steel plate (1) and fastened and bolted to the steel annular anchor connector (5).

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