Connecting structure of prefabricated parapet wall and steel truss
Through the connection structure of components such as embedded plates, threaded cylinders, threaded rods and fixed rings, the thermal deformation and hole problems in the connection between prefabricated walls and steel trusses are solved, and a stable connection effect is achieved.
Patent Information
- Application Number
- CN202422427323.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-09
AI Technical Summary
In the prior art, the connection method between the prefabricated daughter wall and the steel truss is prone to thermal deformation or need to reserve holes, affecting the connection accuracy and structural stability.
The connecting structure of components such as embedded plates, threaded cylinders, threaded rods, fixing rings and reinforcement plates is adopted to achieve a stable connection between the prefabricated wall and the steel trusses through threaded connections and limit fixing.
The connection accuracy between the prefabricated daughter wall and the steel truss is achieved, ensuring the stability and integrity of the structure, and avoiding thermal deformation and hole influence.
Smart Images
Figure CN223151356U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of connection structures, and particularly relates to a connection structure between a precast parapet wall and a steel truss. Background Technique
[0002] With the continuous development of building technology, precast components are more and more widely used in buildings. The precast parapet wall is widely used because of its advantages such as fast construction speed and controllable quality. However, the connection method between the precast parapet wall and the main structure has always been a technical problem, especially in the connection with complex structures such as steel trusses.
[0003] The traditional connection methods between the precast parapet wall and the steel truss mostly adopt welding or bolt connection. However, the welding method is prone to thermal deformation, affecting the connection accuracy. The bolt connection method requires reserved holes on the precast parapet wall, affecting the integrity and waterproof performance of the precast parapet wall body, reducing the stability of the precast parapet wall body structure, and thus reducing the practicability. Summary of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a connection structure between a precast parapet wall and a steel truss, which has the advantages of realizing the connection accuracy between the precast parapet wall and the steel truss and ensuring the stability of the precast parapet wall structure, and solves the problems that the welding method is prone to thermal deformation, affecting the connection accuracy, and the bolt connection method requires reserved holes on the precast parapet wall, affecting the integrity and waterproof performance of the precast parapet wall body, and thus reducing the practicability.
[0005] To achieve the above object, the utility model provides the following technical solution: A connection structure between a precast parapet wall and a steel truss, including a precast parapet wall body and two connecting plates. Installation holes are provided at the four corners on the left side of the two connecting plates, and a connection mechanism is arranged inside the precast parapet wall body;
[0006] The connection mechanism includes an embedded plate, two threaded cylinders, two first threaded rods, two fixing rings, two reinforcing plates and a connection component. The embedded plate is embedded and fixed inside the precast parapet wall body. The two threaded cylinders are both arranged on the left side of the embedded plate. The first threaded rod is threadedly connected inside the threaded cylinder. The fixing ring is arranged on the outer side of the left side of the first threaded rod. The two reinforcing plates are both arranged on the upper surface and the lower surface of the embedded plate. The left side of the first threaded rod is fixedly connected to the right side of the connecting plate, and the right side of the fixing ring is in contact with the left side of the threaded cylinder.
[0007] By adopting this technical solution, the connection accuracy between the precast parapet wall and the steel truss is realized, and the stability of the precast parapet wall structure is ensured.
[0008] Furthermore, the upper and lower threaded cylinders are symmetrically distributed on the upper and lower sides of the transverse central axis of the embedded plate.
[0009] By adopting this technical solution, the stability of the connection structure can be improved by setting two threaded cylinders.
[0010] Furthermore, the two threaded cylinders and the two reinforcing plates are all pre-embedded and fixed inside the precast parapet body.
[0011] By adopting this technical solution, the first threaded rod can be disassembled inside the threaded cylinder, which is convenient for replacing different connecting pieces.
[0012] Furthermore, the connection assembly includes not less than two connecting pieces, two reinforcing connecting frames, two fixing plates, two second threaded rods, two handles and two slots. The not less than two connecting pieces are all arranged on the upper and lower sides of the upper and lower threaded cylinders. The two reinforcing connecting frames are all arranged inside the upper and lower reinforcing plates. The two fixing plates are all arranged on the right side of the upper and lower connecting plates. The second threaded rod is threadedly connected inside the fixing plate.
[0013] By adopting this technical solution, the stability of the embedded plate pre-embedded and fixed inside the precast parapet body can be improved by the not less than two connecting pieces and the two reinforcing connecting frames.
[0014] Furthermore, the two handles are both arranged on the opposite sides of the upper and lower second threaded rods. The two slots are both opened on the opposite sides of the upper and lower threaded cylinders. The opposite sides of the upper and lower second threaded rods are both slidably inserted inside the upper and lower slots.
[0015] By adopting this technical solution, the second threaded rod can move up and down inside the slot.
[0016] Furthermore, an anti-slip sleeve is arranged on the outer side of the handle, and the anti-slip sleeve is a rubber sleeve.
[0017] By adopting this technical solution, the stability of the handle rotation can be improved by arranging the anti-slip sleeve on the outer side of the handle.
[0018] Furthermore, the upper and lower reinforcing plates are symmetrically distributed on the upper and lower sides of the transverse central axis of the embedded plate.
[0019] By adopting this technical solution, the stability of the embedded plate pre-embedded and fixed inside the precast parapet body can be improved by the upper and lower reinforcing plates.
[0020] Furthermore, the second threaded rod is in clearance fit with the slot. The two reinforcing connecting frames and the not less than two connecting pieces are all pre-embedded and fixed inside the precast parapet body.
[0021] By adopting this technical solution, the opposite sides of the second threaded rods on the upper and lower sides are both slidably inserted into the inner parts of the upper and lower slots, and the connecting plates on the upper and lower sides can be limited and fixed on the left sides of the first threaded rods on the upper and lower sides.
[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0023] For the connection structure between the precast parapet wall and the steel truss, by rotating the fixing rings on the upper and lower sides, the first threaded rods on the upper and lower sides can be driven to rotate inside the threaded cylinders on the upper and lower sides until the fixing rings on the upper and lower sides cannot be rotated anymore. Then, the opposite sides of the second threaded rods on the upper and lower sides are on the sides opposite to the upper and lower slots. At this time, the handles on the upper and lower sides can be rotated to drive the second threaded rods on the upper and lower sides to rotate and move in the opposite directions inside the fixing plates on the upper and lower sides. The opposite sides of the upper and lower second threaded rods are both slidably inserted into the inner parts of the upper and lower slots, and the connecting plates on the upper and lower sides can be limited and fixed. Then, the steel truss can be fixed on the left sides of the connecting plates on the upper and lower sides. Bolts can be threadedly connected inside the installation holes, which is convenient for fixing the steel truss on the left sides of the connecting plates on the upper and lower sides. Through the embedded precast plate, two threaded cylinders, two reinforcing plates, no less than two connecting pieces, and two reinforcing connecting frames, the connection accuracy between the precast parapet wall and the steel truss is achieved, and the stability of the precast parapet wall structure is ensured. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic structural diagram of the present utility model;
[0025] Figure 2 It is a schematic diagram of the connection mechanism of the present utility model;
[0026] Figure 3 It is a three-dimensional structural diagram of the fixing ring of the present utility model.
[0027] In the figure: 1, precast parapet wall body; 2, connecting plate; 3, installation hole; 4, connection mechanism; 41, precast plate; 42, threaded cylinder; 43, first threaded rod; 44, fixing ring; 45, reinforcing plate; 461, connecting piece; 462, reinforcing connecting frame; 463, fixing plate; 464, second threaded rod; 465, handle; 466, slot. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0029] Please refer to Figure 1 For a connection structure between a precast parapet wall and a steel truss in this embodiment, it includes a precast parapet wall body 1 and two connecting plates 2. Installation holes 3 are provided at the four corners on the left side of the two connecting plates 2. A connecting mechanism 4 is arranged inside the precast parapet wall body 1. The connecting mechanism 4 realizes the connection accuracy between the precast parapet wall and the steel truss, and ensures the stability of the precast parapet wall structure.
[0030] Please refer to Figures 2 to 3 In order to realize the connection accuracy between the precast parapet wall and the steel truss and ensure the stability of the precast parapet wall structure, the connecting mechanism 4 in this embodiment includes an embedded plate 41, two threaded barrels 42, two first threaded rods 43, two fixing rings 44, two reinforcing plates 45 and a connecting component. The embedded plate 41 is embedded and fixed inside the precast parapet wall body 1. The two threaded barrels 42 are both arranged on the left side of the embedded plate 41. The first threaded rod 43 is threadedly connected inside the threaded barrel 42. The fixing ring 44 is arranged on the outer side of the left side of the first threaded rod 43. The two reinforcing plates 45 are both arranged on the upper and lower surfaces of the embedded plate 41. The left side of the first threaded rod 43 is fixedly connected to the right side of the connecting plate 2, and the right side of the fixing ring 44 is in contact with the left side of the threaded barrel 42.
[0031] In this embodiment, the upper and lower threaded barrels 42 are symmetrically distributed on the upper and lower sides of the horizontal central axis of the embedded plate 41. The two threaded barrels 42 and the two reinforcing plates 45 are both embedded and fixed inside the precast parapet wall body 1. The connecting component includes not less than two connecting pieces 461, two reinforcing connecting frames 462, two fixing plates 463, two second threaded rods 464, two handles 465 and two slots 466.
[0032] In this embodiment, by rotating the upper and lower fixing rings 44, the upper and lower first threaded rods 43 can be driven to rotate inside the upper and lower threaded barrels 42, and then the upper and lower first threaded rods 43 both move to the right inside the upper and lower threaded barrels 42 until the upper and lower fixing rings 44 cannot be rotated anymore.
[0033] In this embodiment, not less than two connecting pieces 461 are both arranged on the upper and lower sides of the upper and lower threaded barrels 42. The two reinforcing connecting frames 462 are both arranged inside the upper and lower reinforcing plates 45. The two fixing plates 463 are both arranged on the right side of the upper and lower connecting plates 2. The second threaded rod 464 is threadedly connected inside the fixing plate 463. The two handles 465 are both arranged on the opposite sides of the upper and lower second threaded rods 464.
[0034] In this embodiment, the right sides of the upper and lower fixing rings 44 are both in contact with the left sides of the upper and lower threaded cylinders 42. Then, on the opposite sides of the upper and lower second threaded rods 464, which are on the opposite sides of the upper and lower slots 466. At this time, the upper and lower handles 465 can be rotated to drive the upper and lower second threaded rods 464 to rotate inside the upper and lower fixing plates 463 and move in opposite directions. Then, the opposite sides of the upper and lower second threaded rods 464 are both slidably inserted into the upper and lower slots 466.
[0035] In this embodiment, the two slots 466 are both opened on the opposite sides of the upper and lower threaded cylinders 42. The opposite sides of the upper and lower second threaded rods 464 are both slidably inserted into the upper and lower slots 466. The outer side of the handle 465 is provided with an anti-slip sleeve, and the anti-slip sleeve is a rubber sleeve. The upper and lower reinforcing plates 45 are symmetrically distributed on the upper and lower sides of the horizontal central axis of the embedded plate 41. The second threaded rod 464 is in clearance fit with the slot 466. The two reinforcing connecting frames 462 and no less than two connecting pieces 461 are both embedded and fixed inside the precast parapet body 1.
[0036] In this embodiment, through the two reinforcing plates 45, no less than two connecting pieces 461 and the two reinforcing connecting frames 462, the stability of the embedded plate 41 embedded and fixed inside the precast parapet body 1 can be improved. The precast parapet body 1 includes a precast parapet structure, and a waterproof membrane material is provided on the outer side of the precast parapet structure.
[0037] In this embodiment, no less than two connecting pieces 461 are both welded and fixed on the upper and lower sides of the upper and lower threaded cylinders 42. No less than two connecting pieces 461 are both vertically arranged with respect to the precast parapet body 1. Through no less than two connecting pieces 461, the stability of the embedded plate 41 embedded and fixed inside the precast parapet body 1 can be improved. The upper and lower threaded cylinders 42 are both vertically welded and fixed on the left side of the embedded plate 41, and are located on the upper and lower sides of the horizontal central axis of the embedded plate 41. The embedded plate 41 is arranged parallel to the precast parapet body 1. The shape of the embedded plate 41 is a solid rectangle inside. The reinforcing connecting frame 462 includes a fixed rod, and no less than two annular pieces are provided on the outer side of the fixed rod. The reinforcing connecting frame 462 is welded and fixed inside each reinforcing plate 45.
[0038] It should be noted that the upper and lower connecting plates 2 can be limited and fixed, and then the steel truss can be fixed on the left side of the upper and lower connecting plates 2. Bolts can be threadedly connected inside the installation holes 3, which is convenient for fixing the steel truss on the left side of the upper and lower connecting plates 2. Through the embedded embedded plate 41, the two threaded cylinders 42, the two reinforcing plates 45, no less than two connecting pieces 461 and the two reinforcing connecting frames 462, the connection accuracy between the precast parapet and the steel truss is achieved, ensuring the stability of the precast parapet structure.
[0039] The working principle of the above embodiment is as follows: By rotating the fixed rings 44 on the upper and lower sides, the first threaded rods 43 on the upper and lower sides can be driven to rotate inside the threaded cylinders 42 on the upper and lower sides. Then, the first threaded rods 43 on the upper and lower sides move to the right inside the threaded cylinders 42 on the upper and lower sides until the fixed rings 44 on the upper and lower sides stop rotating. At this time, the right sides of the fixed rings 44 on the upper and lower sides are in contact with the left sides of the threaded cylinders 42 on the upper and lower sides. Then, the opposite sides of the second threaded rods 464 on the upper and lower sides are on the opposite sides of the slots 466 on the upper and lower sides. At this time, the handles 465 on the upper and lower sides can be rotated to drive the second threaded rods 464 on the upper and lower sides to rotate and move in opposite directions inside the fixing plates 463 on the upper and lower sides. Then, the opposite sides of the second threaded rods 464 on the upper and lower sides are slidably inserted into the slots 466 on the upper and lower sides, and the connecting plates 2 on the upper and lower sides can be limited and fixed. Then, the steel truss can be fixed on the left side of the connecting plates 2 on the upper and lower sides. Bolts can be threadedly connected inside the mounting holes 3, which is convenient for fixing the steel truss on the left side of the connecting plates 2 on the upper and lower sides. Through the embedded plate 41, two threaded cylinders 42, two reinforcing plates 45, no less than two connecting pieces 461, and two reinforcing connecting frames 462, the connection accuracy between the precast parapet wall and the steel truss is realized, and the stability of the precast parapet wall structure is ensured.
Claims
1. A connecting structure between a precast parapet wall and a steel truss, comprising a precast parapet wall body (1) and two connecting plates (2), characterized in that: Mounting holes (3) are formed at the four corners on the left side of the two connecting plates (2), and a connecting mechanism (4) is arranged inside the precast parapet body (1). The connecting mechanism (4) includes a buried plate (41), two threaded cylinders (42), two first threaded rods (43), two fixing rings (44), two reinforcing plates (45) and a connecting component. The buried plate (41) is buried and fixed inside the precast parapet body (1). The two threaded cylinders (42) are arranged on the left side of the buried plate (41). The first threaded rod (43) is threadedly connected inside the threaded cylinder (42). The fixing ring (44) is arranged on the outer side of the left side of the first threaded rod (43). The two reinforcing plates (45) are arranged on the upper and lower surfaces of the buried plate (41). The left side of the first threaded rod (43) is fixedly connected to the right side of the connecting plate (2), and the right side of the fixing ring (44) is in contact with the left side of the threaded cylinder (42).
2. The connecting structure between a precast parapet wall and a steel truss according to claim 1, characterized in that: The upper and lower threaded cylinders (42) are symmetrically distributed on the upper and lower sides of the horizontal central axis of the buried plate (41).
3. The connecting structure between a precast parapet wall and a steel truss according to claim 1, wherein: The two threaded cylinders (42) and the two reinforcing plates (45) are both buried and fixed inside the precast parapet body (1).
4. The connecting structure between a precast parapet wall and a steel truss according to claim 1, characterized in that: The connecting component includes not less than two connecting pieces (461), two reinforcing connecting frames (462), two fixing plates (463), two second threaded rods (464), two handles (465) and two slots (466). The not less than two connecting pieces (461) are arranged on the upper and lower sides of the upper and lower threaded cylinders (42). The two reinforcing connecting frames (462) are arranged inside the upper and lower reinforcing plates (45). The two fixing plates (463) are arranged on the right side of the upper and lower connecting plates (2). The second threaded rod (464) is threadedly connected inside the fixing plate (463).
5. The connecting structure between a precast parapet wall and a steel truss according to claim 4, characterized in that: The two handles (465) are arranged on the opposite sides of the upper and lower second threaded rods (464). The two slots (466) are formed on the opposite sides of the upper and lower threaded cylinders (42). The opposite sides of the upper and lower second threaded rods (464) are slidably inserted inside the upper and lower slots (466).
6. The connecting structure between a precast parapet wall and a steel truss according to claim 4, characterized in that: An anti-slip sleeve is arranged on the outer side of the handle (465), and the anti-slip sleeve is a rubber sleeve.
7. The connecting structure between a precast parapet wall and a steel truss according to claim 1, wherein: The upper and lower reinforcing plates (45) are symmetrically distributed on the upper and lower sides of the horizontal central axis of the buried plate (41).
8. A connection structure between a precast parapet wall and a steel truss according to claim 4, characterized in that: The second threaded rod (464) is in clearance fit with the slot (466). The two reinforcing connecting frames (462) and the not less than two connecting pieces (461) are both buried and fixed inside the precast parapet body (1).