Prefabricated laminated slab post-cast strip quick mounting and dismounting mold frame

Abstract

The utility model relates to the technical field of formwork frames, in particular to a prefabricated laminated slab post-cast strip quick mounting and dismounting formwork frame which comprises a supporting rod, a threaded adjusting rod and an aluminum formwork, the interior of the supporting rod is in threaded connection with the threaded adjusting rod, and the aluminum formwork is fixed to the top of the threaded adjusting rod through a bolt; the aluminum formwork has the beneficial effects that the side, with the inserting holes, of one aluminum formwork is pushed to the side, with the inserting pins, of the other aluminum formwork, so that the two aluminum formworks can be positioned and installed together through the inserting pins, when a threaded rod rotates and moves into a U-shaped block, a nut can be rotated, and at the moment, the two aluminum formworks can be fixed together; when the strength of the post-cast strip concrete reaches 75%, the middle supporting rod can be dismantled in advance, the supporting rods on the two sides are reserved, and the middle aluminum formwork can support the post-cast strip concrete through the aluminum formworks on the two sides, so that the middle supporting rod can be dismantled in advance, and the dismantled supporting rods are recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of formwork, in particular to a quick installation and disassembly formwork for a post-casting strip of a prefabricated composite slab. Background Art

[0002] Concrete composite slabs are assembled integral floor slabs formed by superimposing prefabricated slabs and cast-in-place reinforced concrete layers. They are widely used in existing prefabricated buildings. The existing installation of composite slabs is divided into two installation structural forms: one with post-cast strips between composite slabs and the other without post-cast strips. For the structural form with post-cast strips between composite slabs, it is necessary to install a formwork bracket at the bottom of the post-cast strip slab.

[0003] In the prior art, the construction technology of the post-cast strip of the composite slab generally adopts wooden formwork in combination with disc-type steel pipe support frames. There are problems such as the wooden formwork can be used less times, the disc-type support is used in a large amount, and the amount of primary and secondary keel materials is large.

[0004] However, the installation and disassembly of the formwork takes a long time, making it difficult to dismantle and recycle early, and there is a risk of leakage in the formwork. Utility Model Content

[0005] The utility model aims to provide a prefabricated composite slab post-casting strip quick installation and removal formwork, so as to solve the problem that the formwork is difficult to be removed early for turnover utilization in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated composite slab post-casting strip quick installation and disassembly formwork, comprising a support rod, a threaded adjustment rod and an aluminum template, the internal thread of the support rod is connected to the threaded adjustment rod, the top of the threaded adjustment rod is fixed to the aluminum template by bolts, the adjacent two sides of the aluminum template are welded with pins, the aluminum template is provided with matching sockets on both sides symmetrical to the pin, the aluminum template is welded with a connecting block near the bottom of the pin, and the inside of the connecting block is welded with a connecting column.

[0007] Preferably, a threaded rod is movably connected to the outer side of the connecting column, a nut is threadedly connected to the outer side of the threaded rod, a U-shaped block is welded to the bottom of the aluminum template near the socket, and a rubber rod is inserted into the interior of the U-shaped block.

[0008] Preferably, a sliding structure is formed between the threaded rod and the U-shaped block, and a sliding structure is formed between the latch pin and the socket.

[0009] Preferably, a telescopic slot is provided on the top of the aluminum template, and a fixing block is connected inside the telescopic slot.

[0010] Preferably, a spring is connected inside the fixing block, and one end of the spring is connected to a limiting block.

[0011] Preferably, a rubber water stop strip is provided at the top edge of the aluminum template, a docking block is connected to the bottom of the rubber water stop strip, and slots are provided on both sides of the docking block.

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

[0013] The utility model provides a quick installation and disassembly formwork for the post-cast strip of prefabricated composite slabs. The side of the aluminum template with the socket is pushed toward the side of the other aluminum template with the pin, so that the two groups of aluminum templates can be positioned and installed together through the pin. When the threaded rod is rotated and moved to the inside of the U-shaped block, the nut can be rotated, and the two groups of aluminum templates can be fixed together. When the concrete strength of the post-cast strip reaches 75%, the middle support rod can be removed in advance, and the support rods on both sides are retained. The aluminum template in the middle can support the concrete of the post-cast strip through the aluminum templates on both sides, so that the middle support rod can be removed in advance and the removed support rod can be recycled. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the top view of the aluminum template of the utility model;

[0016] Figure 3 This is a rear structural schematic diagram of the aluminum formwork of the utility model;

[0017] Figure 4 This is a schematic diagram of the main cutaway structure of the aluminum formwork of the utility model;

[0018] Figure 5 This is a schematic diagram of the main cutaway structure of the connection block of the utility model;

[0019] Figure 6 It is a three-dimensional structural schematic diagram of the limit block of the utility model.

[0020] In the figure: 1. Support rod; 2. Threaded adjustment rod; 3. Aluminum template; 4. Pin; 5. Socket; 6. Connecting block; 7. Connecting column; 8. Threaded rod; 9. Nut; 10. U-shaped block; 11. Rubber rod; 12. Telescopic slot; 13. Fixed block; 14. Spring; 15. Limit block; 16. Rubber water stop strip; 17. Docking block; 18. Slot. DETAILED DESCRIPTION

[0021] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.

[0022] Embodiment 1

[0023] See also Figures 1 to 6 The utility model provides a technical solution: a prefabricated composite slab post-casting strip quick installation and disassembly mold frame, including a support rod 1, a threaded adjustment rod 2 and an aluminum template 3, the internal thread of the support rod 1 is connected with the threaded adjustment rod 2, and the top of the threaded adjustment rod 2 is fixed with the aluminum template 3 by bolts.

[0024] Pins 4 are welded on both adjacent sides of the aluminum template 3, and matching sockets 5 are provided on both sides symmetrical to the pins 4. A connecting block 6 is welded on the bottom of the aluminum template 3 near the pin 4, and a connecting column 7 is welded inside the connecting block 6. A threaded rod 8 is movably connected to the outer side of the connecting column 7, and a nut 9 is threadedly connected to the outer side of the threaded rod 8. A U-shaped block 10 is welded on the bottom of the aluminum template 3 near the socket 5, and a rubber rod 11 is inserted into the inside of the U-shaped block 10. A sliding structure is formed between the threaded rod 8 and the U-shaped block 10, and a sliding structure is formed between the pin 4 and the socket 5.

[0025] Embodiment 2

[0026] On the basis of the first embodiment, in order to realize the quick disassembly and turnover utilization of the support rod 1, the side of the aluminum template 3 with the socket 5 is pushed toward the side of the other group of aluminum templates 3 with the pins 4, so that the number of the pins 4 matches the number of the sockets 5, so that the two groups of aluminum templates 3 can be positioned and installed together through the pins 4. At this time, the support area of ​​the aluminum template 3 can be extended, and the threaded rod 8 can be pulled. When the threaded rod 8 moves, it can be rotated through the connecting column 7. When the threaded rod 8 rotates, it can drive the nut 9 to move. When the threaded rod 8 rotates and moves to the inside of the U-shaped block 10, the nut 9 can be rotated. When the nut 9 rotates, it can By sliding the threaded rod 8 and squeezing and fixing the U-shaped block 10, and then passing the rubber rod 11 through the U-shaped block 10, the threaded rod 8 can be prevented from loosening and falling. At this time, the two groups of aluminum formworks 3 can be fixed together, so that the two groups of aluminum formworks 3 are not prone to loosening. The aluminum formworks 3 can be spliced ​​and assembled horizontally and vertically. When the concrete strength of the post-cast zone reaches 75%, the middle support rod 1 can be removed in advance, and the support rods 1 on both sides are retained. The middle aluminum formwork 3 can support the post-cast zone concrete through the aluminum formworks 3 on both sides, so that the middle support rod 1 can be removed in advance, and the removed support rod 1 can be recycled.

[0027] A telescopic slot 12 is provided at the top of the aluminum formwork 3, a fixed block 13 is connected to the inside of the telescopic slot 12, a spring 14 is connected to the inside of the fixed block 13, one end of the spring 14 is connected to a limiting block 15, a rubber water stop strip 16 is provided at the top edge of the aluminum formwork 3, a docking block 17 is connected to the bottom of the rubber water stop strip 16, slots 18 are provided on both sides of the docking block 17, and the limiting block 15 and the docking block 17 form a snap-fit ​​structure aluminum formwork 3 through the slots 18.

[0028] Embodiment 3

[0029] On the basis of the second embodiment, in order to prevent leakage at the post-casting strip of the composite slab, the rubber water stop strip 16 can be pushed. When the rubber water stop strip 16 moves, the docking block 17 can be driven to move. When the rubber water stop strip 16 moves to the top edge position of the aluminum formwork 3, the end of the docking block 17 can be inserted into the aluminum formwork 3. At this time, the end of the docking block 17 can squeeze the inclined surface of the limit block 15. When the limit block 15 is squeezed, the spring 14 can be compressed. When the spring 14 is compressed to the maximum extent, the bottom of the rubber water stop strip 16 can To move to the top surface of the aluminum formwork 3, and the end of the docking block 17 can be fully inserted into the aluminum formwork 3. At this time, the limit block 15 can be reset by the spring 14. When the limit block 15 is reset, it can be engaged with the docking block 17 through the slot 18, so that the rubber water stop strip 16 is installed on the top of the aluminum formwork 3, and the aluminum formwork 3 can be quickly installed and replaced. When the aluminum formwork 3 supports the post-cast strip of the composite plate, the rubber water stop strip 16 will produce extrusion deformation, and at the same time, the rubber water stop strip 16 can prevent leakage of slurry at the post-cast strip of the composite plate.

[0030] In actual use, multiple groups of aluminum formworks 3 are spliced ​​and assembled, and supported by support rods 1 and threaded adjustment rods 2. When the concrete strength of the post-cast strip reaches 75%, the middle support rod 1 can be removed in advance, and the support rods 1 on both sides are retained, and the middle aluminum formwork 3 can support the concrete of the post-cast strip through the aluminum formworks 3 on both sides, so that the middle support rod 1 can be removed in advance and the removed support rod 1 can be recycled. When the limit block 15 is reset, it can be engaged and docked with the docking block 17 through the slot 18, so that the rubber water stop strip 16 is installed on the top of the aluminum formwork 3, and the aluminum formwork 3 can be quickly installed and replaced. When the aluminum formwork 3 supports the post-cast strip of the composite plate, the rubber water stop strip 16 will produce extrusion deformation, and at the same time, the rubber water stop strip 16 can prevent leakage of slurry at the post-cast strip of the composite plate.

[0031] 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 prefabricated composite slab post-casting strip quick installation and removal formwork, comprising a support rod (1), a threaded adjustment rod (2) and an aluminum formwork (3), characterized in that: The inner thread of the support rod (1) is connected to a threaded adjustment rod (2), the top of the threaded adjustment rod (2) is fixed with an aluminum template (3) by means of bolts, adjacent two sides of the aluminum template (3) are welded with plug pins (4), the aluminum template (3) is provided with matching plug holes (5) on two sides symmetrical to the plug pin (4), the bottom of the aluminum template (3) is welded with a connecting block (6) close to the plug pin (4), and the interior of the connecting block (6) is welded with a connecting column (7).

2. The quick installation and removal formwork for the post-cast strip of prefabricated composite slab according to claim 1, characterized in that: The outer side of the connecting column (7) is movably connected to a threaded rod (8), and the outer side of the threaded rod (8) is threadedly connected to a nut (9). A U-shaped block (10) is welded to the bottom of the aluminum template (3) near the insertion hole (5), and a rubber rod (11) is inserted into the interior of the U-shaped block (10).

3. The quick installation and removal formwork for the post-cast strip of prefabricated composite slab according to claim 2, characterized in that: A sliding structure is formed between the threaded rod (8) and the U-shaped block (10), and a sliding structure is formed between the latch pin (4) and the insertion hole (5).

4. The quick installation and removal formwork for the post-cast strip of prefabricated composite slab according to claim 1 is characterized by: A telescopic slot (12) is provided on the top of the aluminum template (3), and a fixing block (13) is connected inside the telescopic slot (12).

5. The quick installation and removal formwork for the post-cast strip of prefabricated composite slab according to claim 4, characterized in that: A spring (14) is connected inside the fixing block (13), and one end of the spring (14) is connected to a limiting block (15).

6. The quick installation and removal formwork for the post-cast strip of prefabricated composite slab according to claim 1, characterized in that: A rubber water stop strip (16) is provided at the top edge of the aluminum template (3), the bottom of the rubber water stop strip (16) is connected to a docking block (17), and both sides of the docking block (17) are provided with card slots (18).

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