Structural bottom plate haunch angle template

Abstract

The utility model belongs to the field of constructional engineering, and particularly relates to a structural bottom plate haunch angle formwork which comprises a steel formwork body and a locking device. The locking device comprises a locking hook, a positioning sleeve and a fastener; the positioning sleeve is fixedly arranged at the top end of the steel formwork body. The locking hook comprises a hook part and a straight rod part, the hook part is used for being connected with a transverse steel bar in a hanging mode, and the straight rod part penetrates through the positioning sleeve and is fixedly connected with the steel formwork body through a fastener. According to the haunch angle formwork, the vertical steel bars fixedly connected with the transverse steel bars are all fixed to the steel formwork body through the fixing effect of the fasteners, and all the vertical steel bars are located on the same horizontal plane and kept in the vertical state; the problems that during concrete pouring, the vertical steel bars incline due to impact of concrete on the vertical steel bars, the distance between the side wall steel bars and the thickness of a protection layer do not meet the design requirement, and the bearing capacity is poor are solved.

Description

Technical Field

[0001] The utility model relates to the field of construction engineering, and specifically, to a structural floor axillary angle formwork. Background Art

[0002] During the construction of the axillary angle of the structural floor of an underground station, the prior art generally adopts a simply supported and simply braced construction mainly composed of wooden formwork and square timber backrests. However, in the prior art, when pouring concrete, due to the impact of the concrete falling on the vertical steel bars of the side wall, the vertical steel bars of the side wall are prone to tilt, and thus cannot maintain a vertical state, resulting in the non-compliance of the vertical steel bar spacing and the protective layer of the side wall with the design and specification requirements, and poor force-bearing of the steel bars.

[0003] There are also some axillary angle formworks in the prior art that can solve the problem that the vertical steel bars are prone to tilt when pouring concrete. For example, Patent CN212129933U discloses an axillary angle formwork. A connecting hook is provided on the steel formwork, and a connecting steel bar hook is fixedly connected to the side wall steel bar. The connecting hook is connected to the steel bar hook to ensure that the construction quality of the axillary angle meets the requirements. However, this patent requires a hook to be provided on each vertical steel bar, and the structure is complex. Another example is that Patent CN212129933U discloses an axillary angle formwork, which is provided with a fastener. The fastener includes a connected screw rod, a hook portion, and a locking nut sleeved on the screw rod. The hook portion can be hooked to the transverse steel bar of the inner lining wall. The screw rod penetrates through the vertical formwork and is connected to the vertical formwork through a nut to prevent the axillary angle formwork from moving relative to the main steel bar when pouring concrete, thereby ensuring the forming quality of the inner lining wall. However, in this patent, since the fastener passes through the vertical formwork, it is not easy to disassemble the fastener after the axillary angle formwork is poured with concrete, and components such as the screw rod and the hook portion remain in the wall and cannot be reused, resulting in a high cost. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a structural floor axillary angle formwork with a simple structure, convenient use, and low cost, so as to solve the problem that the vertical steel bars of the side wall are prone to tilt when the axillary angle formwork in the prior art is used for concrete falling.

[0005] The utility model provides the following technical solutions:

[0006] A structural floor axillary angle formwork includes a steel formwork body and a locking device;

[0007] The locking device includes a locking hook, a positioning sleeve, and a fastener;

[0008] The positioning sleeve is fixedly arranged at the top of the steel formwork body; the locking hook includes a hook portion and a straight rod portion. The hook portion is used for hooking to the transverse steel bar, and the straight rod portion passes through the positioning sleeve and is fixedly connected to the steel formwork body through the fastener.

[0009] Further, the straight rod portion is provided with a threaded section, and the fastener is a nut that mates with the threaded section. In this way, the equipment is simple to manufacture, easy to operate during use, and has a good fixing effect.

[0010] Further, a height adjusting device is further included; the height adjusting device is used to adjust the distance between the positioning sleeve and the top end of the steel formwork body.

[0011] Further, the height adjusting device includes an adjusting rod and a threaded sleeve threadedly connected to the adjusting rod; the adjusting rod is fixedly arranged on the outer surface of the positioning sleeve and is perpendicular to the central axis of the sleeve; the threaded sleeve is fixed to the top end of the steel formwork body. Similarly, in this way, the equipment is simple to manufacture, easy to operate during use, and has a good fixing effect.

[0012] Further, the steel formwork body includes a first formwork and a second formwork, the first formwork and the second formwork are integrally formed in an "L" shape, the first formwork is parallel to the side wall, and the second formwork is obliquely arranged along the structural floor slab.

[0013] Further, a square steel is fixedly connected to one side of the first formwork close to the vertical steel bars; the square steel is arranged parallel to the horizontal steel bars.

[0014] Further, the square steel is a hollow square steel with a side length of 3 cm and a thickness of 1 mm.

[0015] Further, bolt holes are also provided on the first formwork and the second formwork.

[0016] The provided bolt holes can facilitate the connection of adjacent two sets of sequentially arranged steel formworks by bolts.

[0017] Further, rust-proof surface treatments are carried out on all of the locking hook, the positioning sleeve, and the fastener.

[0018] The technical solution of the embodiment of the present utility model has at least the following advantages and beneficial effects:

[0019] 1. By using the armpit angle formwork of the present application, the hook portion is hooked to the horizontal steel bars, passes through the positioning sleeve, and the straight rod portion is fixedly connected to the steel formwork body. In this way, the horizontal steel bars press the vertical steel bars, limiting the vertical steel bars, which can ensure that a row of vertical steel bars are all on the same horizontal plane and remain vertical, avoiding the problem that the vertical steel bars are inclined due to the impact of concrete on the vertical steel bars during concrete pouring, resulting in the steel bar spacing and the protective layer not meeting the design and specification requirements, and the poor load-bearing capacity of the steel bars.

[0020] 2. This application takes into account that the transverse steel bars are not always at the same height as the locking device. Therefore, a height adjustment device is further added to adjust the distance between the positioning sleeve of the locking device and the top end of the steel formwork body, making the device more applicable and having a better use effect.

[0021] 3. A square steel is fixedly connected to the side of the steel formwork close to the vertical steel bars. The side length of the square steel is exactly the thickness of the side wall reinforced concrete protective layer, achieving the effect of accurately controlling the thickness of the side wall reinforced concrete protective layer. At the same time, through the setting of the square steel, the linearity of the construction joint can be ensured, and thus the quality of the axil angle constructed by this axil angle formwork meets the requirements. Brief Description of the Drawings

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below.

[0023] Figure 1 It is the axil angle formwork of the structural formwork provided in Embodiment 1 of the present utility model;

[0024] Figure 2 It is an enlarged view of part A of the axil angle of the structural formwork provided in Embodiment 1 of the present utility model;

[0025] Figure 3 It is the axil angle formwork of the structural formwork provided in Embodiment 2 of the present utility model;

[0026] Figure 4 It is an enlarged view of part B of the axil angle formwork of the structural formwork provided in Embodiment 2 of the present utility model;

[0027] Reference Signs: 1 - Steel formwork body, 11 - First formwork, 12 - Second formwork, 122 - Bolt hole, 2 - Locking device, 21 - Nut, 22 - Positioning sleeve, 23 - Locking hook, 231 - Straight rod part, 232 - Hook part, 24 - Adjusting rod, 25 - Threaded sleeve, 3 - Square steel, 4 - Transverse steel bar, 5 - Vertical steel bar, 6 - Side wall, 7 - Structural floor slab. Detailed Description of the Embodiments

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0029] Embodiment 1

[0030] A structural floor slab axil angle formwork includes a steel formwork body 1 and a locking device 2;

[0031] The locking device 2 includes a locking hook 23, a positioning sleeve 22, and a fastener;

[0032] The positioning sleeve 22 is fixedly arranged at the top end of the steel formwork body 1; the locking hook 23 includes a hook part 232 and a straight rod part 231. The hook part 232 is used for hooking the transverse steel bar 4, and the straight rod part 231 passes through the positioning sleeve 22 and is fixedly connected to the steel formwork body 1 through the fastener.

[0033] During use, hook the hook part 232 of the locking device 2 to the transverse steel bar 4 on the side close to the steel formwork body 1. Through the fixing effect of the fastener, all the vertical steel bars 5 fixedly connected to the transverse steel bar 4 are fixedly connected to the steel formwork body 1, and all the vertical steel bars 5 are located on the same horizontal plane and keep vertical, avoiding the inclination of the vertical steel bars 5 caused by the impact of the concrete on the vertical steel bars 5 during concrete pouring.

[0034] When this application is in use, only need to hook the transverse steel bar 4 with the hook part 232, and then fix it with the fastener, then it can be realized that the vertical steel bars 5 of the side wall 6 do not incline during concrete feeding, and the use process is simple and convenient.

[0035] At the same time, the positioning sleeve 22 of this application is located at the top end of the steel formwork body 1. During the concrete pouring process, the locking device 2 of this application will not be poured with concrete. Therefore, after use, the locking device 2 can be removed for repeated use, and the use cost of the whole device is low.

[0036] Specifically, the fastening method of this application can be to fix the transverse steel bar by the way of stop block limitation, or to fix it by the way of screwing with nuts and bolts.

[0037] In this embodiment, the way of screwing with nuts and bolts is selected. The straight rod part 231 is provided with a threaded section, and the fastener is a nut 21 that matches the threaded section.

[0038] The steel formwork body 1 includes a first template 11 and a second template 12. The first template 11 and the second template 12 are integrally formed into an "L" shape. The first template 11 is parallel to the side wall 6, and the second template 12 is obliquely arranged along the structural floor slab 7.

[0039] A square steel 3 is fixedly connected to the side of the first template 11 close to the vertical steel bar; the square steel 3 is arranged parallel to the transverse steel bar 4.

[0040] The square steel 3 is a hollow square steel 3 with a side length of 3 cm and a thickness of 1 mm.

[0041] The first template 11 and the second template 12 are also provided with bolt holes 122.

[0042] The arranged bolt holes 122 can facilitate the connection of adjacent two groups of sequentially arranged steel formworks by bolts.

[0043] The nut 21, the hook and the positioning sleeve 22 are all subjected to anti-corrosion surface treatment.

[0044] The nut 21, the locking hook 23 and the positioning sleeve 22 are prone to corrosion when exposed to the construction environment for a long time, resulting in the inability to tighten the nut 21, affecting the normal operation of the hook locking device 2. Therefore, anti-corrosion surface treatment of the nut 21, the locking hook 23 and the positioning sleeve 22 can extend their service life.

[0045] Embodiment 2

[0046] A structural floor slab haunch formwork includes a steel formwork body 1 and a locking device 2;

[0047] The locking device 2 includes a locking hook 23, a positioning sleeve 22 and a fastener;

[0048] The positioning sleeve 22 is fixedly arranged at the top of the steel formwork body 1; the locking hook 23 includes a hook part 232 and a straight rod part 231. The hook part 232 is used for hooking the transverse steel bar 4, and the straight rod part 231 passes through the positioning sleeve 22 and is fixedly connected to the steel formwork body 1 through the fastener.

[0049] The straight rod part 231 is provided with a threaded section, and the fastener is a nut 21 that mates with the threaded section.

[0050] It further includes a height adjustment device; the height adjustment device is used to adjust the distance between the positioning sleeve 22 and the top of the steel formwork body 1.

[0051] Specifically, the height adjustment can be achieved by rotating the thread to adjust the height up and down, or by adjusting the height up and down and then performing stopping, clamping, etc.

[0052] In this embodiment, the method of rotating the thread to adjust the height up and down is selected. The height adjustment device includes an adjustment rod 24 and a threaded sleeve 25 threadedly connected to the adjustment rod 24; the adjustment rod 24 is fixedly arranged on the outer surface of the positioning sleeve 22 and is perpendicular to the central axis of the sleeve; the threaded sleeve 25 is fixed to the top of the steel formwork body 1.

[0053] The inventor found that during use, the transverse steel bar 4 is not always at the same height as the locking device 2, which makes it difficult to ensure the vertical state of the vertical steel bar 5 by hooking the transverse steel bar 4 with the hook part 232. Therefore, the inventor thought of setting a height adjustment device to adjust the distance between the positioning sleeve 22 and the top of the steel formwork body 1, so that the transverse steel bar 4 and the locking device 2 can be basically at the same height during use.

[0054] When the height needs to be adjusted, turn the adjusting rod 24. The length of the adjusting rod 24 changes, driving the positioning sleeve 22 fixedly connected to the adjusting rod 24 to move up and down until the height of the locking device 2 and the horizontal steel bar 4 are basically on the same horizontal line, and then hook the hook part 232 with the horizontal steel bar 4.

[0055] The steel formwork body 1 includes a first formwork 11 and a second formwork 12. The first formwork 11 and the second formwork 12 are integrally formed into an "L" shape. The first formwork 11 is parallel to the side wall 6, and the second formwork 12 is obliquely arranged along the structural floor slab 7.

[0056] On one side of the first formwork 11 close to the vertical steel bar, a square steel 3 is fixedly connected; the square steel 3 is arranged parallel to the horizontal steel bar 4.

[0057] The square steel 3 is a hollow square steel with a side length of 3 cm and a thickness of 1 mm.

[0058] Bolting holes 122 are also provided on the first formwork 11 and the second formwork 12.

[0059] The provided bolting holes 122 facilitate the connection of adjacent two sets of successively arranged steel formworks by bolts.

[0060] The nut 21, the locking hook 23 and the positioning sleeve 22 are all subjected to anti-corrosion surface treatment.

[0061] In summary, by adopting the structural floor slab haunch formwork of the present application, the quality of the constructed haunch meets the requirements.

Claims

1. A structural floor corner template, characterized in that: It includes a steel template body and a locking device; The locking device comprises a locking hook, a positioning sleeve and a fastener; The positioning sleeve is fixedly arranged at the top end of the steel formwork body; the locking hook includes a hook portion and a straight rod portion, the hook portion is used to be hooked with the transverse steel bar, the straight rod portion passes through the positioning sleeve and is fixedly connected to the steel formwork body through the fastener.

2. The structural floor armpit corner formwork according to claim 1, characterized in that: The straight rod portion is provided with a threaded section, and the fastener is a nut matched with the threaded section.

3. The structural floor armpit corner formwork according to claim 1, characterized in that: It also includes a height adjustment device; the height adjustment device is used to adjust the distance between the positioning sleeve and the top end of the steel template body.

4. The structural floor armpit corner formwork according to claim 3, characterized in that: The height adjustment device includes an adjustment rod and a threaded sleeve threadedly connected to the adjustment rod; the adjustment rod is fixed to the outer surface of the positioning sleeve and is perpendicular to the central axis of the positioning sleeve; the threaded sleeve is fixed to the top of the steel template body.

5. The structural floor armpit corner formwork according to any one of claims 1 to 4, characterized in that: The steel formwork body includes a first formwork and a second formwork, the first formwork and the second formwork are integrated into an "L" shape, the first formwork is parallel to the side wall, and the second formwork is obliquely arranged along the structural bottom plate.

6. The structural floor armpit corner formwork according to claim 5, characterized in that: A square steel is fixedly connected to one side of the first template close to the steel bars; the square steel is arranged parallel to the transverse steel bars.

7. The structural floor armpit corner formwork according to claim 6, characterized in that: The square steel is a hollow square steel with a side length of 3 cm and a thickness of 1 mm.

8. The structural floor armpit corner formwork according to claim 7, characterized in that: The first template and the second template are also provided with bolt holes.

9. The structural floor armpit corner formwork according to any one of claims 1 to 4, characterized in that: The locking hook, the positioning sleeve and the fastener are all subjected to anti-corrosion surface treatment.

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