A kind of hanger bolt for post-cast strip between prefabricated composite slabs
By using prefabricated post-pouring bolts between stacked plates at the joints of stacked plates, the problems of unstable traditional support methods and increased project difficulty are solved, and a more stable casting effect and higher resource utilization are achieved.
Patent Information
- Application Number
- CN202420744633.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-04-11
AI Technical Summary
In the existing prefabricated building structures, the wet workload at the joints of the laminated panels is large, and the traditional ground vertical pole support method is unstable, which increases the difficulty and employment of the project and is likely to affect the casting effect.
The prefabricated laminated plate rear casting bolt bolts are used, including rebar, suspended bolt and nuts. The suspended bolt is vertically connected to the midpoint of rebar, and the nut is threaded to the upper end of the suspended bolt. It is used to be installed above the gap of the laminated plate, support the poured seam formwork, and fixed by nuts.
This method reduces the difficulty and employment of the project, prevents the pouring of the template and small errors, improves the pouring effect, avoids the problems of slurry leakage and surface unevenness, and at the same time, conveniently disassembles the boom, improving the reuse rate of resources.
Smart Images
Figure CN222716493U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of building construction, in particular to a post-casting belt hanger bolt between prefabricated composite plates. Background Art
[0002] In existing prefabricated building structures, the amount of wet work at the joints of prefabricated composite panels is large, and the joints between composite panels are often difficult to handle. Before pouring concrete, it is necessary to set up a formwork under the joints to provide support for the cast-in-place layer.
[0003] It is often difficult to support the formwork. If poles are set up from the ground for support, the difficulty and labor of the entire project will increase. Moreover, the poles are unstable and easy to topple over. Once a small error occurs, it will affect the pouring effect and cause leakage or uneven surface. At the same time, this method is labor-intensive and occupies the lower space, so it needs to be improved. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a post-casting belt hanger bolt between prefabricated composite slabs, which has the advantages of ensuring the casting effect and reducing the occupied space.
[0005] The above technical purpose of the utility model is achieved through the following technical scheme: it includes threaded steel, a hanger and a nut, the hanger is vertically connected to the midpoint of the threaded steel, the nut is threadedly connected to the upper end of the hanger, the threaded steel is used to be erected above the gap of the composite plates, the hanger is supported between the composite plates, and the nut fastens the hanger and the mold.
[0006] In a preferred example, the utility model can be further configured as follows: pad rods are provided inside both ends of the threaded steel bars.
[0007] In a preferred example, the utility model can be further configured as follows: the suspension rod includes an inner rod and a sleeve rod, the inner rod is vertically connected to the midpoint of the threaded steel bar, and the sleeve rod is internally threadedly connected to the inner rod and threadedly connected to the nut.
[0008] In a preferred example, the utility model can be further configured as follows: the inner rod is inserted into the threaded steel bar, and the threaded steel bar is threadedly connected with a screw for fixing the inner rod.
[0009] In a preferred example, the utility model can be further configured as follows: a pad is sleeved on the suspension rod, and the nut is used to tighten the pad.
[0010] In a preferred example, the utility model can be further configured as follows: the pad includes a main board, a pair of side boards and a pair of pressure plates that are integrally formed, the main board is threadedly connected to the sleeve rod, the side boards are horizontally arranged at both ends of the main board, the pressure plates are arranged at the ends of the side boards, and the pressure plates are used to support the casting seam template.
[0011] In a preferred example, the utility model can be further configured as follows: a handle is provided at the upper end of the nut.
[0012] In summary, the utility model has the following beneficial effects:
[0013] 1. By setting up hangers to connect the threaded steel and the formwork to the upper and lower parts of the composite plate and fixing them with nuts to replace the traditional ground column support, the difficulty and labor of the entire project can be reduced, tipping can be prevented, small errors can be avoided, the pouring effect can be improved, leakage and uneven surface can be prevented, so as to give full play to the speed of plate and strip construction, reduce the difficulty and labor of engineering construction, and improve construction stability;
[0014] 2. By setting the threaded hanging rod, after the construction of the composite slab joint is completed, the hanging rod can be easily disassembled, which solves the problem of large number of embedded parts in the original construction and improves the reuse rate of resources;
[0015] 3. By setting pads on the inner walls of both ends of the threaded steel, the filler will not be connected to the threaded steel after solidification after the construction is completed, further improving the convenience of construction;
[0016] 4. By setting a pad, the contact area with the template surface can be reduced, the pressure can be increased, and the template can be made more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic structural diagram of an embodiment.
[0018] Figure numerals: 1, threaded steel bar; 11, screw; 12, spacer rod; 2, suspension rod; 21, inner rod; 22, sleeve rod; 3, nut; 31, handle; 4, pad; 41, main board; 42, side panel; 43, pressure plate. DETAILED DESCRIPTION
[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0020] like Figure 1 As shown, a prefabricated composite plate post-casting strip hanger bolt includes a threaded steel bar 1, a hanger rod 2 and a nut 3. The threaded steel bar 1 is used to be erected above the gap between two composite plates and plays a major supporting role. The hanger rod 2 is vertically connected to the midpoint of the threaded steel bar 1. The hanger rod 2 passes through the gap between the composite plates and is used to support the casting joint template. The nut 3 is threadedly connected to the hanger rod 2 and is used to press the mold. A handle 31 is provided on the nut 3 to facilitate the manual control of the rotation of the nut 3.
[0021] like Figure 1As shown, a pad 4 is sleeved on the suspension rod 2, and the nut 3 is used to press the pad 4. The pad 4 includes an integrally formed main plate 41, a pair of side plates 42 and a pair of pressure plates 43. The main plate 41 is threadedly connected to the sleeve rod 22, the side plates 42 are horizontally arranged at both ends of the main plate 41, and the pressure plates 43 are obliquely arranged at both ends of the side plates 42. The two sides of the pressure plate 43 are in contact with the lower end surface of the template to support the casting joint template.
[0022] Therefore, when the template is fixed, the template is pressed by the pad 4 to increase the pressing area of the template and achieve stable pressing of the template. At the same time, a pair of pressing plates 43 are used to press the two sides of the template to achieve the pressing and fixing of the positions on both sides of the template, further increasing the stability of the template during construction.
[0023] like Figure 1 As shown, the suspension rod 2 includes an inner rod 21 and a sleeve rod 22. The inner rod 21 is inserted into the threaded steel bar 1. The threaded steel bar 1 is threadedly connected with a screw 11 for fixing the inner rod 21. When the suspension rod 2 is bolted before construction, the inner rod 21 is first inserted into the hole at the center of the threaded steel bar 1, and then the screw 11 is tightened to fix the threaded steel bar 1 and the inner rod 21, so as to achieve rapid assembly of the two.
[0024] like Figure 1 As shown, the sleeve rod 22 is internally threadedly connected to the inner rod 21 and is threadedly connected to the nut 3. After the inner rod 21 and the threaded steel bar 1 are fixed, the sleeve rod 22 is rotated to thread the sleeve rod 22 with the inner rod 21 to realize the assembly of the entire suspension rod 2. Therefore, after the construction is completed and the demoulding is performed, the nut 3 is unscrewed to remove the template, the threaded steel bar 1 is rotated and pulled to rotate and remove the inner rod 21, and then the sleeve rod 22 is rotated to remove it, and it is stored and sorted for the next construction.
[0025] like Figure 1 As shown, pad rods 12 are provided on the inner sides of both ends of the threaded steel bar 1, so that after the construction is completed, it can be ensured that the concrete will not be connected to the threaded steel bar 1 after solidification, which makes it easy to remove the threaded steel bar 1, thereby further improving the convenience of construction.
[0026] The specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make modifications to the embodiments without any creative contribution as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.
Claims
1. A post-casting belt hanger bolt between prefabricated composite panels, characterized in that: It comprises a threaded steel bar (1), a hanger rod (2) and a nut (3), wherein the hanger rod (2) is vertically connected to the midpoint of the threaded steel bar (1), and the nut (3) is threadedly connected to the upper end of the hanger rod (2). The threaded steel bar (1) is used to be installed above the gap of the composite plates, the hanger rod (2) is supported between the composite plates, and the nut (3) fastens the hanger rod (2) and the mold.
2. The post-cast strip hanger bolt between prefabricated composite slabs according to claim 1, characterized in that: Pad rods (12) are arranged inside the two ends of the threaded steel bar (1).
3. The post-cast strip hanger bolt between prefabricated composite slabs according to claim 1, characterized in that: The suspension rod (2) comprises an inner rod (21) and a sleeve rod (22), wherein the inner rod (21) is vertically connected to the midpoint of the threaded steel bar (1), and the sleeve rod (22) is internally threadedly connected to the inner rod (21) and is threadedly connected to the nut (3).
4. The post-cast strip hanger bolt between prefabricated composite slabs according to claim 3, characterized in that: The inner rod (21) is inserted into the threaded steel bar (1), and a screw (11) for fixing the inner rod (21) is threadedly connected to the threaded steel bar (1).
5. The post-cast strip hanger bolt between prefabricated composite slabs according to claim 3, characterized in that: A backing plate (4) is sleeved on the suspension rod (2), and the nut (3) is used to press the backing plate (4).
6. The post-cast strip hanger bolt between prefabricated composite slabs according to claim 5, characterized in that: The pad (4) comprises a main plate (41), a pair of side plates (42) and a pair of pressure plates (43) which are integrally formed; the main plate (41) is threadedly connected to the sleeve rod (22); the side plates (42) are horizontally arranged at both ends of the main plate (41); and the pressure plates (43) are arranged at the ends of the side plates (42) and are used to support the casting seam template.
7. The post-cast strip hanger bolt between prefabricated composite slabs according to claim 6, characterized in that: A handle (31) is provided at the upper end of the nut (3).