Secondary pouring bridging piece outer side formwork screw device

Abstract

The utility model relates to the technical field of building construction, in particular to a secondary pouring bridging plate outer side formwork screw device, a reserved beam steel bar is arranged between a lower side PC outer wall and a poured beam, a screw is arranged on the lower side PC outer wall, the reserved beam steel bar and the screw are movably connected, meanwhile, the screw penetrates through a side formwork, and the poured beam is arranged on the side formwork. And the screw rod and the side edge template are fixedly connected through a buckle assembly. The reserved beam reinforcing steel bar and the screw rod are connected through the pull ring assembly and the adjusting nut, meanwhile, the side edge formwork is fixed to the side edge of the PC outer wall on the lower side through the buckle assembly, the buckle assembly, the pull ring assembly and the adjusting nut can be directly taken down after construction, and therefore the whole device can be repeatedly used, and the construction efficiency is improved. The overall utilization rate of the device is improved, meanwhile, the construction risk caused by protruding of parts can be reduced in the construction period, and then the overall safety of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a screw device for the outer side formwork of a secondary pouring cantilever plate. Background Art

[0002] The on-site construction structure is complex and diverse, and the building shapes are diverse, so there are more and more cantilever designs. The secondary pouring of cantilever slabs often occurs in PC exterior wall construction, and the side formwork is often difficult to fix. In response to this difficult fixation situation, the traditional fixing method generally uses external reinforcement, but this method will cause too many reinforcements, which increases the cost, or fix it by welding, but once welded, it cannot be adjusted later. Therefore, there is an urgent need for a secondary pouring cantilever slab external formwork fixing device to solve the problem that the side formwork is often difficult to fix at the construction site. Utility Model Content

[0003] The utility model aims to provide a screw device for the outer side formwork of a secondary pouring cantilever plate to solve the problems raised in the above-mentioned background technology.

[0004] The technical solution of the utility model is: a screw rod device for the outer side formwork of a secondary casting cantilever slab, comprising a lower PC outer wall and a cast beam, wherein the cast beam is arranged on the inner side of the lower PC outer wall, and a side formwork is arranged on the outer side of the lower PC outer wall, a reserved beam steel bar is arranged between the lower PC outer wall and the cast beam, and a screw rod is arranged on the lower PC outer wall, the reserved beam steel bar and the screw rod are movably connected, and the screw rod passes through the side formwork, and the screw and the side formwork are fixedly connected by a buckle assembly, and the buckle assembly is arranged on the outer side of the side formwork.

[0005] Furthermore, a plurality of adjusting nuts are sleeved on the reserved beam reinforcement, and the adjusting nuts are arranged on the side of the lower PC outer wall, and each of the adjusting nuts is connected to the screw rod through a pull ring assembly.

[0006] Furthermore, the pull ring assembly includes a hook portion, both ends of which are fixed with vertical portions, one end of the vertical portion is welded to one side of the upper end of the adjusting nut, and the other end of the vertical portion passes through the reserved beam reinforcement.

[0007] Furthermore, a gap is provided between the vertical portion that is not welded and fixed to the adjusting nut and the upper end of the adjusting nut, and the size of the gap is not less than the width of the reserved beam reinforcement.

[0008] Furthermore, the snap assembly includes a C-shaped portion and an inverted C-shaped portion, the C-shaped portion and the inverted C-shaped portion are arranged relative to each other, and the ends of the inverted C-shaped portion and the C-shaped portion are both arranged on the sides of the side template, and the end of the C-shaped portion passes through the side template.

[0009] Furthermore, a middle through hole is provided in the middle of the C-shaped portion and the middle of the inverted C-shaped portion, and the middle through hole is sleeved on the outer side of the screw.

[0010] Furthermore, the height of the C-shaped portion is greater than the height of the inverted C-shaped portion, and both ends of the C-shaped portion in the vertical direction are provided with end through holes, and the ends of the inverted C-shaped portion are arranged inside the end through holes.

[0011] Furthermore, a middle fixing nut is arranged between the C-shaped portion and the inverted C-shaped portion, and the middle fixing nut is sleeved on the outside of the screw rod. At the same time, the relative spacing between the C-shaped portion and the inverted C-shaped portion is the same as the width of the middle fixing nut.

[0012] The utility model provides a screw device for the outer side formwork of the secondary pouring cantilever plate through improvement, which has the following improvements and advantages compared with the prior art:

[0013] The screw rod device for the outer side formwork of the secondary casting cantilever slab of the utility model connects the reserved beam reinforcement and the screw rod through a pull ring assembly and an adjusting nut, and fixes the side formwork to the side of the lower PC outer wall through a buckle assembly, and the buckle assembly, the pull ring assembly and the adjusting nut can be directly removed after construction, thereby not only realizing the reuse of the entire device and improving the overall utilization rate of the device, but also reducing the construction risks caused by the protrusion of parts during construction, thereby improving the overall safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is an enlarged view of the connection between the pull ring assembly and the adjusting nut of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the screw device of the outer template of the secondary pouring cantilever plate of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the pull ring assembly of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the buckle assembly of the utility model.

[0019] Description of reference numerals:

[0020] 1. Reserved beam reinforcement; 2. Pull ring assembly; 201. Hook part; 202. Vertical part; 3. Adjustment nut; 4. Buckle assembly; 401. C-shaped part; 402. Middle perforation; 403. Middle fixing nut; 404. Inverted C-shaped part; 405. End perforation; 5. Screw; 6. Side formwork; 7. Lower PC exterior wall; 8. Cast beam. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Furthermore, it should be understood that for the sake of ease of description, the sizes of the various components shown in the drawings are not drawn according to actual proportions. For example, the thickness or width of certain layers may be exaggerated relative to other layers.

[0023] It should be noted that like reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined or described in one drawing, it will not require further detailed discussion and description in the description of the subsequent drawings.

[0024] refer to Figure 1-Figure 4 , this embodiment provides a screw device for the outer template of the secondary casting cantilever slab. The screw device for the outer template of the secondary casting cantilever slab includes a reserved beam reinforcement 1, a pull ring assembly 2, an adjusting nut 3, a buckle assembly 4 and a screw 5. The screw device for the outer template of the secondary casting cantilever slab is arranged between the lower PC outer wall 7 and the cast beam 8. Further, the cast beam 8 is arranged on the inner side of the lower PC outer wall 7, and the outer side of the lower PC outer wall 7 is provided with a side template 6. Specifically, the reserved beam reinforcement 1 is arranged between the lower PC outer wall 7 and the cast beam 8, and the screw 5 is arranged on the lower PC outer wall 7, wherein the reserved beam reinforcement 1 and the screw 5 are movably connected by the pull ring assembly 2 and the adjusting nut 3, and the screw 5 and the side template 6 are fixedly connected by the buckle assembly 4. It is worth noting that the screw 5 passes through the side template 6, and the buckle assembly 4 is arranged on the outer side of the side template 6.

[0025] In this embodiment, a plurality of adjusting nuts 3 are provided, and the plurality of adjusting nuts 3 are all sleeved on the reserved beam reinforcement 1, and the adjusting nuts 3 are arranged on the side of the lower PC outer wall 7. Specifically, the adjusting nuts 3 and the reserved beam reinforcement 1 are threadedly connected, that is, the adjusting nuts 3 can be connected to any position on the reserved beam reinforcement 1. It is worth noting that each adjusting nut 3 can be connected to the screw rod 5 through the pull ring assembly 2.

[0026] Further, the pull ring assembly 2 includes a hook portion 201 and a vertical portion 202. The vertical portion 202 is arranged at both ends of the hook portion 201. Specifically, the vertical portion 202 arranged at one end of the hook portion 201 is fixedly connected to one side of the upper end of the adjusting nut 3 by welding, and the vertical portion 202 arranged at the other end of the hook portion 201 passes through the reserved beam reinforcement 1, that is, the vertical portion 202 arranged at the other end of the hook portion 201 is not fixedly connected to one side of the upper end of the adjusting nut 3. It is worth noting that a gap is provided between the vertical portion 202 that is not welded and fixed to the adjusting nut 3 and the upper end of the adjusting nut 3, and the size of the gap is not less than the width of the reserved beam reinforcement 1. In this embodiment, the size of the gap is the same as the width of the reserved beam reinforcement 1, that is, the overall shape of the pull ring assembly 2 is C-shaped, so that the vertical portion 202 at one end is not easy to be separated after passing through the reserved beam reinforcement 1, which helps to improve the connection between the two.

[0027] In this embodiment, the buckle assembly 4 includes a C-shaped portion 401 and an inverted C-shaped portion 404. The C-shaped portion 401 and the inverted C-shaped portion 404 are arranged relative to each other, and a middle fixing nut 403 is arranged between the C-shaped portion 401 and the inverted C-shaped portion 404. Specifically, the middle fixing nut 403 is sleeved on the outside of the screw rod 5, and the distance between the C-shaped portion 401 and the inverted C-shaped portion 404 in relative directions is the same as the width of the middle fixing nut 403.

[0028] Further, the side of the inverted C-shaped portion 404 and the end of the C-shaped portion 401 are both arranged on the side of the side template 6, and the end of the C-shaped portion 401 penetrates the side template 6. At the same time, the middle of the C-shaped portion 401 and the middle of the inverted C-shaped portion 404 are both provided with a middle through hole 402, and the middle through hole 402 is sleeved on the outside of the screw 5. Specifically, the height of the C-shaped portion 401 is greater than the height of the inverted C-shaped portion 404, and at the same time, both ends of the C-shaped portion 401 in the vertical direction are provided with end through holes 405, and the end of the inverted C-shaped portion 404 is arranged inside the end through hole 405.

[0029] Specifically, the use process of the screw rod device for the outer side formwork of the secondary pouring cantilever plate in this embodiment is as follows:

[0030] The adjusting nut 3 is sleeved on the reserved beam reinforcement 1, and the vertical portion 202 at one end is welded to the adjusting nut 3, and the screw rod 5 is passed through the side template 6, and the vertical portion 202 at the other end is passed through the screw rod 5, so that the reserved beam reinforcement 1 and the screw rod 5 are fixedly connected. Then, the inverted C-shaped portion 404 is passed through the outward end of the screw rod 5, and the inverted C-shaped portion 404 is closely attached to the side of the side template 6, and then the middle fixing nut 403 is passed through the outward end of the screw rod 5, and the middle fixing nut 403 is closely attached to the side of the inverted C-shaped portion 404, and then the C-shaped portion 401 is passed through the outward end of the screw rod 5, and the C-shaped portion 401 is closely attached to the side of the middle fixing nut 403. Finally, the end through-hole 405 provided at the end of the C-shaped portion 401 and the two ends of the inverted C-shaped portion 404 are aligned, so that the two ends of the inverted C-shaped portion 404 are inserted into the end through-hole 405, and the end of the C-shaped portion 401 is aligned or inserted into the side formwork 6, thereby not only fixing the side formwork 6 on the lower PC exterior wall 7, but also preventing the hidden danger of accidental injury caused by the buckle assembly 4 used to fix the side formwork 6 during construction.

[0031] It is worth noting that after the use of the screw device for the outer formwork of the secondary casting cantilever slab is completed, the buckle assembly 4 is removed, the pull ring assembly 2 and the screw 5 are separated, and then the screw 5 is pulled out, and finally the adjusting nut 3 is removed from the reserved beam reinforcement 1, and the overall fixed structure can be taken out, and the fixed structure can also be used for the next construction.

[0032] 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 screw rod device for the outer formwork of a secondary casting cantilever plate, comprising a lower PC outer wall (7) and a cast beam (8), wherein the cast beam (8) is arranged on the inner side of the lower PC outer wall (7), and a side formwork (6) is arranged on the outer side of the lower PC outer wall (7), characterized in that: A reserved beam reinforcement (1) is arranged between the lower PC outer wall (7) and the cast beam (8), and a screw rod (5) is arranged on the lower PC outer wall (7), the reserved beam reinforcement (1) and the screw rod (5) are movably connected, and the screw rod (5) passes through the side formwork (6), and the screw rod (5) and the side formwork (6) are fixedly connected via a buckle assembly (4), and the buckle assembly (4) is arranged on the outward side of the side formwork (6).

2. A screw device for the outer formwork of the secondary pouring cantilever plate according to claim 1, characterized in that: The reserved beam reinforcement (1) is sleeved with a plurality of adjusting nuts (3), the adjusting nuts (3) being arranged on the side of the lower PC outer wall (7), and each of the adjusting nuts (3) is connected to a screw rod (5) via a pull ring assembly (2).

3. A screw device for the outer formwork of the secondary casting cantilever plate according to claim 2, characterized in that: The pull ring assembly (2) comprises a hook portion (201), both ends of which are fixed with vertical portions (202), one end of the vertical portion (202) is welded to one side of the upper end of the adjusting nut (3), and the other end of the vertical portion (202) passes through the reserved beam reinforcement (1).

4. A screw device for the outer formwork of the secondary casting cantilever plate according to claim 3, characterized in that: A gap is provided between the vertical portion (202) that is not welded and fixed to the adjusting nut (3) and the upper end of the adjusting nut (3), and the size of the gap is not less than the width of the reserved beam reinforcement (1).

5. The screw device for the outer formwork of the secondary casting cantilever plate according to claim 1, characterized in that: The buckle assembly (4) comprises a C-shaped portion (401) and an inverted C-shaped portion (404), wherein the C-shaped portion (401) and the inverted C-shaped portion (404) are arranged relative to each other, and the ends of the inverted C-shaped portion (404) and the C-shaped portion (401) are both arranged on the side of the side template (6), and the end of the C-shaped portion (401) passes through the side template (6).

6. A screw device for the outer formwork of the secondary casting cantilever plate according to claim 5, characterized in that: A middle through hole (402) is provided in the middle of the C-shaped portion (401) and the middle of the inverted C-shaped portion (404), and the middle through hole (402) is sleeved on the outer side of the screw rod (5).

7. A screw device for the outer formwork of the secondary casting cantilever plate according to claim 5 or 6, characterized in that: The height of the C-shaped portion (401) is greater than the height of the inverted C-shaped portion (404), and both ends of the C-shaped portion (401) in the vertical direction are provided with end through holes (405), and the ends of the inverted C-shaped portion (404) are arranged inside the end through holes (405).

8. A screw device for the outer formwork of the secondary pouring cantilever plate according to claim 7, characterized in that: A middle fixing nut (403) is provided between the C-shaped portion (401) and the inverted C-shaped portion (404), and the middle fixing nut (403) is sleeved on the outer side of the screw rod (5). Meanwhile, the distance between the C-shaped portion (401) and the inverted C-shaped portion (404) in relative directions is the same as the width of the middle fixing nut (403).

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