CN116005949A - Double-layer concrete beam template erecting device for stairway and use method - Google Patents
Double-layer concrete beam template erecting device for stairway and use method Download PDFInfo
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- CN116005949A CN116005949A CN202211732890.6A CN202211732890A CN116005949A CN 116005949 A CN116005949 A CN 116005949A CN 202211732890 A CN202211732890 A CN 202211732890A CN 116005949 A CN116005949 A CN 116005949A
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Abstract
The invention discloses a double-layer concrete beam template erecting device for a stair and a using method thereof, comprising a beam bottom bracket, wherein the beam bottom bracket is arranged on an upper layer upright post bracket arranged on an upper layer stair interlayer beam and an upper side of an interlayer platform; the lower upright post bracket is arranged below the upper stair interlayer beam and the interlayer platform and is used for supporting templates of the upper stair interlayer beam and the interlayer platform; the triangular support frame is arranged on the outer side of the lower layer concrete wall, and the outer suspended parts of the upper layer upright support frame and the lower layer upright support frame are downwards extended and supported on the triangular support frame. The invention solves the problems that the template support frame at the existing stair double-layer concrete beam is difficult to set up and has potential safety hazard.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a double-layer concrete beam template erecting device for a stair and a using method.
Background
In concrete structural design, due to structural stress requirements or ventilation, lighting and other reasons, double-layer concrete beams are often arranged on the outer wall of a stair, namely two concrete beams are arranged on two different elevations at the same position. In the construction process, the upper beam is blocked by the stair platform plate, and the upright rod at one side of the lower template support frame cannot fall on the concrete floor slab of which the lower layer is poured. And the upright posts of the double-layer beam template support frame also have no proper erection positions on the side of the outer wall, which is close to the air. The upper beam is provided with a bottom supporting upright rod which is blocked by the lower beam and can not be supported on the finished concrete structure, and the formwork support is difficult to set up. Aiming at the situation, most construction sites are constructed by adopting a mode of connecting an inclined vertical rod or a beam bottom cross rod with an external scaffold in a violation manner, the erection difficulty is high, or the standard requirement cannot be met, so that great potential safety hazards exist, and a safe and reliable template erection device is needed to solve the problem.
Disclosure of Invention
The invention provides a device for erecting a double-layer concrete beam template at a stair and a use method thereof, which solve the problem that the existing template support frame at the stair double-layer concrete beam is difficult to erect and has potential safety hazard.
In order to achieve the above object, in a first aspect, the present invention provides the following technical solutions: the double-layer concrete beam template erecting device for the stairway comprises a beam bottom bracket, wherein the beam bottom bracket is arranged on an upper layer upright post bracket arranged on an upper layer stairway interlayer beam and an upper side of an interlayer platform, the upper end of the beam bottom bracket is used for supporting a template of the upper layer stairway interlayer platform, and an upright post base is arranged between the lower side of the upper layer upright post bracket and the interlayer platform; the lower upright post bracket is arranged below the upper stair interlayer beam and the interlayer platform and is used for supporting templates of the upper stair interlayer beam and the interlayer platform; the triangular support frame is arranged on the outer side of the lower layer concrete wall, and the outer suspended parts of the upper layer upright support frame and the lower layer upright support frame are downwards extended and supported on the triangular support frame.
Preferably, the beam bottom bracket comprises a connecting disc and a top stay bar vertically penetrating through the connecting disc, the upper end of the top stay bar is used for supporting a template of the upper beam of the stair interlayer platform, splayed diagonal stay bars are rotatably connected to two sides of the lower end of the connecting disc through connecting pieces, and locking nuts in threaded connection with the top stay bar are mounted on the upper side of the connecting disc.
Preferably, the upper end of the top stay bar is provided with a U-shaped bracket for supporting the upper beam template of the landing between the stair layers.
Preferably, the triangular support frame comprises a vertical support and a horizontal bracket arranged at the upper end of the vertical support, the vertical support is connected with the lower layer concrete wall through a plurality of through-wall bolts, diagonal bracing is arranged between the vertical support and the horizontal bracket, and the vertical support, the horizontal bracket and the vertical bracket form the triangular support.
Preferably, the lower end of the diagonal bracing is rotationally connected with the vertical support, the upper end of the diagonal bracing is provided with a clamping rod, a plurality of blocking teeth are uniformly arranged on the lower side of the horizontal bracket, and the clamping rod is clamped with the corresponding blocking teeth according to the length of the diagonal bracing.
Preferably, two cross beams are arranged on the upper side of the horizontal bracket side by side and are respectively connected with the lower ends of the outer suspended parts of the upper-layer upright rod support and the lower-layer upright rod support in a supporting way.
Preferably, the upright rod base is of a triangular conical frame structure, an annular support is arranged on the upper portion of the inner side of the triangular conical frame structure, a horizontal support rod is welded on the annular support in a cross mode, a vertical support rod is vertically arranged in the triangular conical frame structure, and the vertical support rod is connected with a cross intersection point of the horizontal support rod.
The invention also provides a using method of the double-layer concrete beam template erecting device for the stairway, which is characterized by comprising the following steps of:
s1, installing a triangular support frame on a poured lower layer concrete wall;
s2, leveling the horizontal bracket by adjusting the position of the diagonal brace on the gear; placing a first beam on a horizontal bracket;
s3, erecting a lower upright post bracket at the lower side of the interlayer beam of the upper floor ladder, wherein the lower part of the upright post at the temporary side of the interlayer beam of the upper floor ladder is arranged on the first beam;
s4, placing the second cross beam on the horizontal bracket;
s5, erecting an upper-layer interlayer beam of the stair interlayer and an upper-layer vertical rod bracket on the upper side of the interlayer platform, wherein the lower part of a vertical rod on the empty side of the upper beam of the stair interlayer platform is arranged on a second cross beam, simultaneously, a vertical rod base is placed on a bottom die of the interlayer platform, a vertical rod on the other side of the upper beam of the stair interlayer platform is arranged on a horizontal supporting rod of the vertical rod base, and the vertical supporting rod penetrates into the vertical rod;
s6, placing the beam bottom bracket at the lower part of the upper layer upright post support, determining the placement distance through calculation, locking the lower ends of the splayed diagonal braces and the upright posts at the two sides of the upper layer upright post support close to a main joint by using steel pipe fasteners, contacting and tightly propping the top brace to the upper part with a beam bottom template small cross bar, and screwing a locking nut to tightly prop up the connecting disc; the lower part of the top support rod is transversely locked with the upright posts at the two sides of the upright post bracket at the upper layer through a horizontal rod by adopting steel pipe fasteners, and is longitudinally locked with the lower part of the adjacent top support by adopting steel pipe fasteners;
s7, erecting other part template support frames until the concrete pouring condition of the layer structure is met;
and S8, after the concrete pouring is finished, sequentially removing the template support frame, the beam bottom bracket, the triangular support frame, the through-wall bolts and the cross beam, cutting off the parts of the upright post base higher than the interlayer platform concrete surface, and brushing antirust paint on the exposed rib part.
Compared with the prior art, the invention has the beneficial effects that:
the device and the method can be used for quickly and safely erecting the template support frame at the double-layer beam of the stairwell, improve the construction efficiency and improve the safety performance of template construction at a special structure part.
Drawings
FIG. 1 is a schematic view of the construction of the present invention;
FIG. 2 is a schematic view of the structure of the beam bottom bracket of the present invention;
FIG. 3 is a schematic view of the triangular support frame according to the present invention;
fig. 4 is a schematic view of the structure of the pole base of the present invention.
Reference numerals:
1. beam bottom brackets, 11, top stay bars, 111, U-shaped brackets, 112, threaded parts, 113, connecting pieces, 12, connecting discs, 121, bottom stays, 122, diagonal support bars, 123, vertical support bars, 124, annular supports, 125, horizontal support bars, 13, splayed diagonal support bars, 14, lock nuts, 15, lower-layer pole supports, 2, triangular support frames, 21, vertical supports, 22, horizontal brackets, 221, retaining teeth, 23, diagonal supports, 231, clamping rods, 3, pole bases, 4, wall penetrating bolts, 5, cross beams, 6, lower-layer concrete walls, 7, upper-layer ladder interlayer beams, 8, interlayer platforms, 9, stair interlayer platform upper beams, 10 and upper-layer pole supports.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-4, the invention provides an embodiment for solving the problem that the template support frame at the existing stair double-layer concrete beam is difficult to erect and has potential safety hazard: the double-layer concrete beam template erecting device for the stairway comprises a beam bottom bracket 1, wherein the beam bottom bracket 1 is arranged on an upper layer upright post bracket 10 arranged on the upper side of an upper layer stairway interlayer beam 7 and an interlayer platform 8, the upper end of the beam bottom bracket 1 is used for supporting a template of an upper layer stairway interlayer platform beam 9, and an upright post base 3 is arranged between the lower side of the upper layer upright post bracket and the interlayer platform 8; the lower-layer upright rod bracket 15 is arranged below the upper-layer stair interlayer beam 7 and the interlayer platform 8 and is used for supporting templates of the upper-layer stair interlayer beam 7 and the interlayer platform 8; the triangular support frame 2 is arranged on the outer side of the lower layer concrete wall 6, and the outer suspended parts of the upper layer upright support frame 10 and the lower layer upright support frame 15 are respectively supported on the triangular support frame 2 in a downward extending mode.
Specifically, the upper upright post support 10 and the lower upright post support 15 are common steel pipe formwork supports in the prior art, and most of the upper upright post support 10 and the lower upright post support 15 are of frame structures, in the scheme of the invention, suspended parts on the outer sides of the upper upright post support 10 and the lower upright post support 15 can be supported by the triangular support frame 2, so that the upper upright post support 10 and the lower upright post support 15 are kept stable, meanwhile, the upright post base 3 can be placed in an unprofitable interlayer platform 8 to serve as a supporting rod supporting part of the upper upright post support 10, and can be cast together with the interlayer platform 8 without later dismantling, and the beam bottom bracket 1 is integrated with the upper upright post support 10 to effectively support the formwork of the upper beam 9 of the stair interlayer platform, so that the formwork can not displace during casting.
As a specific embodiment of the beam bottom bracket 1, as shown in fig. 2, the beam bottom bracket 1 includes a connecting disc 12 and a top stay 11 vertically penetrating through the connecting disc 12, the upper end of the top stay 11 is used for supporting a template of the upper beam 9 of the stair interlayer platform, two sides of the lower end of the connecting disc 12 are rotatably connected with splayed diagonal stays 13 through connecting pieces 113, a locking nut 14 in threaded connection with the top stay 11 is installed on the upper side of the connecting disc 12, a threaded portion 112 is arranged on the upper portion of the top stay 11 and is used for being matched with the locking nut 14 and the connecting disc 12 to achieve lifting of the top stay 11, the connecting disc 12 can be in a disc shape or a circular ring shape, the splayed diagonal stays 13 are connected with the connecting pieces 113 through high-strength bolts, can rotate to adjust positions and are connected with corresponding struts, and the splayed diagonal stays 13 can adopt a flat structure and are convenient to connect and have high strength. Meanwhile, the upper end of the top stay bar 11 is provided with a U-shaped bracket 111 for supporting the template of the upper beam 9 of the stair interlayer platform, and the U-shaped bracket 111 and the top stay bar 11 can be movably connected, so that the installation is more flexible.
In this embodiment, as a specific structure of the tripod 2, as shown in fig. 3, the tripod 2 includes a vertical support 21 and a horizontal bracket 22 disposed at an upper end of the vertical support 21, the vertical support 21 is connected with a lower concrete wall 6 through a plurality of through-wall bolts 4, a diagonal bracing 23 is disposed between the vertical support 21 and the horizontal bracket 22, the three forms a tripod, a lower end of the diagonal bracing 23 is rotationally connected with the vertical support 21, a clamping rod 231 is disposed at an upper end of the diagonal bracing 23, a plurality of blocking teeth 221 are uniformly disposed at a lower side of the horizontal bracket 22, the clamping rod 231 is clamped with the corresponding blocking teeth 221 according to a length of the diagonal bracing 23, the vertical support 21, the horizontal bracket 22 and the diagonal bracing 23 are made of channel steel, and a channel steel specification is subjected to force checking and determining.
In this embodiment, two cross beams 5 are arranged side by side on the upper side of the horizontal bracket 22, and the two cross beams 5 are respectively connected with the lower ends of the outer suspended parts of the upper-layer upright support 10 and the lower-layer upright support 15 in a supporting manner.
As a specific embodiment of the upright post base 3, as shown in FIG. 4, the upright post base 3 is a triangular cone-shaped frame structure, an annular support 124 is arranged at the upper part of the inner side of the triangular cone-shaped frame structure, a horizontal support rod 125 is welded on the annular support 124 in a cross shape, a vertical support rod 123 is vertically arranged in the triangular cone-shaped frame structure, the vertical support rod 123 is connected with the cross intersection point of the horizontal support rod 125, wherein the triangular cone-shaped frame structure is composed of 4 bottom supports 121 and three diagonal support rods 122, three of the 4 bottom supports 121 enclose an equilateral triangle, one end of each diagonal support rod 122 is uniformly distributed and welded at the vertex of the bottom support 121, one end of each diagonal support rod is welded in a cross shape, the annular support 124 is welded on the inner side of each diagonal support rod 122, and the height of a concrete slab with the same pouring height is arranged.
In this embodiment, the specific usage method of the device for erecting a double-layer concrete beam formwork at a stair in the above embodiment includes the following steps:
s1, installing a triangular support frame 2 on a poured lower layer concrete wall 6;
s2, leveling the horizontal bracket 22 by adjusting the position of the diagonal brace 23 on the gear 221; placing the first cross beam 5 on the horizontal bracket 22;
s3, erecting a lower upright post bracket 15 at the lower side of the upper-layer interlayer beam 7 of the building, wherein the lower part of the upright post at the adjacent side of the upper-layer interlayer beam 7 of the building is arranged on the first transverse beam 5;
s4, placing the second cross beam 5 on the horizontal bracket 22;
s5, erecting an upper-layer interlayer beam 7 of the upper-layer stair and an upper-layer vertical rod bracket 10 on the upper side of an interlayer platform 8, wherein the lower part of a vertical rod on the side of an upper beam 9 of the interlayer platform adjacent to the space is arranged on a second cross beam 5, simultaneously placing a vertical rod base 3 on a bottom die of the interlayer platform 8, installing a vertical rod on the other side of the upper beam 9 of the interlayer platform on a horizontal supporting rod 125 of the vertical rod base 3, and penetrating a vertical supporting rod 123 into the vertical rod;
s6, placing the beam bottom bracket 1 at the lower part of the upper layer upright post bracket 10, determining the placement distance through calculation, locking the lower ends of the splayed diagonal braces 13 and the upright posts at the two sides of the upper layer upright post bracket 10 close to a main joint by using steel pipe fasteners, contacting and abutting the top brace 11 to the upper part with a beam bottom template small cross bar, and tightly propping the connecting disc 12 by screwing a locking nut 14; the lower part of the top support rod 11 is transversely locked with the upright posts at the two sides of the upright post bracket 10 at the upper layer through a horizontal rod by adopting steel pipe fasteners, and is longitudinally locked with the lower part of the adjacent top support rod 11 by adopting steel pipe fasteners;
s7, erecting other part template support frames until the concrete pouring condition of the layer structure is met;
and S8, after the concrete pouring is finished, sequentially removing the template support frame, the beam bottom bracket 1, the triangular support frame 2, the through-wall bolts 4 and the cross beam 5, cutting off the parts of the upright post base 3 higher than the concrete surface of the interlayer platform 8, and brushing antirust paint on the exposed rib part.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present invention) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
Claims (8)
1. A be used for stair department double-deck concrete beam template to set up device, its characterized in that includes:
the beam bottom bracket (1) is arranged on an upper layer upright post bracket (10) arranged on the upper side of an upper layer stair interlayer beam (7) and an interlayer platform (8), the upper end of the beam bottom bracket (1) is used for supporting a template of the upper layer stair interlayer platform upper beam (9), and an upright post base (3) is arranged between the lower side of the upper layer upright post bracket and the interlayer platform (8);
the lower-layer upright rod bracket (15) is arranged below the upper-layer stair interlayer beam (7) and the interlayer platform (8) and is used for supporting templates of the upper-layer stair interlayer beam (7) and the interlayer platform (8);
the triangular support frame (2) is arranged on the outer side of the lower layer concrete wall (6), and the outer suspended parts of the upper layer upright support frame (10) and the lower layer upright support frame (15) are downwards extended and supported on the triangular support frame (2).
2. The double-deck concrete beam formwork erection device for a stairway according to claim 1, wherein: the beam bottom bracket (1) comprises a connecting disc (12) and a top stay bar (11) vertically penetrating through the connecting disc (12), wherein the upper end of the top stay bar (11) is used for supporting a template of a landing upper beam (9) between stair layers, splayed diagonal stay bars (13) are rotatably connected to two sides of the lower end of the connecting disc (12) through connecting pieces (113), and locking nuts (14) in threaded connection with the top stay bar (11) are mounted on the upper side of the connecting disc (12).
3. The double-deck concrete beam formwork erection device for stairways according to claim 2, wherein: the upper end of the top stay bar (11) is provided with a U-shaped bracket for supporting the templates of the upper beam (9) of the landing between the stair layers.
4. The double-deck concrete beam formwork erection device for a stairway according to claim 1, wherein: the triangular support frame (2) comprises a vertical support frame (21) and a horizontal bracket (22) arranged at the upper end of the vertical support frame (21), wherein the vertical support frame (21) is connected with a lower concrete wall (6) through a plurality of through-wall bolts (4), and diagonal braces (23) are arranged between the vertical support frame (21) and the horizontal bracket (22) to form a triangular support.
5. The double-deck concrete beam formwork erection device for a stair site according to claim 4, wherein: the lower extreme of bracing (23) rotate with vertical support (21) and link to each other, its upper end is provided with clamping rod (231), the downside of horizontal bracket (22) evenly be provided with a plurality of fender tooth (221), clamping rod (231) according to the length of bracing (23) with fender tooth (221) joint that corresponds.
6. The double-deck concrete beam formwork erection device for a stair site according to claim 4, wherein: two cross beams (5) are arranged on the upper side of the horizontal bracket (22) side by side, and the two cross beams (5) are respectively connected with the lower ends of the outer suspended parts of the upper-layer upright rod support (10) and the lower-layer upright rod support (15) in a supporting way.
7. The double-deck concrete beam formwork erection device for a stairway according to claim 1, wherein: the vertical rod base (3) is of a triangular conical frame structure, an annular support (124) is arranged on the upper portion of the inner side of the triangular conical frame structure, a horizontal support rod (125) is welded on the annular support (124) in a cross mode, a vertical support rod (123) is vertically arranged in the triangular conical frame structure, and the vertical support rod (123) is connected with a cross intersection point of the horizontal support rod (125).
8. A method of using the double-deck concrete beam formwork erection device for stairways according to any one of claims 1 to 7, comprising the steps of:
s1, installing a triangular support frame (2) on a poured lower layer concrete wall (6);
s2, leveling the horizontal bracket (22) by adjusting the position of the diagonal brace (23) on the gear teeth (221); placing the first cross beam (5) on a horizontal carrier (22);
s3, erecting a lower-layer vertical rod bracket (15) at the lower side of the upper-layer interlayer beam (7) of the building, wherein the lower part of the upper-layer interlayer beam (7) of the building is arranged on the first beam (5) which is placed in the building;
s4, placing the second cross beam (5) on the horizontal bracket (22);
s5, erecting an upper-layer interlayer girder (7) of the stair interlayer and an upper-layer upright rod bracket (10) at the upper side of an interlayer platform (8), wherein the lower part of an empty side upright rod of an upper-layer interlayer platform girder (9) is arranged on a second cross beam 5, simultaneously, an upright rod base (3) is placed on a bottom die of the interlayer platform (8), an upright rod at the other side of the upper-layer interlayer platform girder (9) is arranged on a horizontal supporting rod (125) of the upright rod base (3), and a vertical supporting rod (123) penetrates into the upright rod;
s6, placing the beam bottom bracket 1 at the lower part of the upper layer upright post support (10), determining the placement distance through calculation, locking the lower ends of the splayed diagonal braces (13) and the upright posts at the two sides of the upper layer upright post support (10) close to a main joint by using steel pipe fasteners, contacting and abutting the top brace (11) to the upper part with a beam bottom template small cross bar, and screwing a locking nut (14) to tightly prop against the connecting disc (12); the lower part of the top support rod (11) is transversely locked with the upright rods at the two sides of the upright rod bracket (10) at the upper layer through a horizontal rod by adopting steel pipe fasteners, and is longitudinally locked with the lower part of the adjacent top support rod (11) by adopting steel pipe fasteners;
s7, erecting other part template support frames until the concrete pouring condition of the layer structure is met;
s8, after the concrete pouring is finished, sequentially removing the template support frame, the beam bottom bracket (1), the triangular support frame (2), the through-wall bolts (4) and the cross beam (5), cutting off parts of the upright rod base (3) higher than the concrete surface of the interlayer platform (8), and brushing rust-proof paint on exposed rib parts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211732890.6A CN116005949A (en) | 2022-12-30 | 2022-12-30 | Double-layer concrete beam template erecting device for stairway and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211732890.6A CN116005949A (en) | 2022-12-30 | 2022-12-30 | Double-layer concrete beam template erecting device for stairway and use method |
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| CN116005949A true CN116005949A (en) | 2023-04-25 |
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| CN202211732890.6A Pending CN116005949A (en) | 2022-12-30 | 2022-12-30 | Double-layer concrete beam template erecting device for stairway and use method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118461892A (en) * | 2024-06-13 | 2024-08-09 | 新华建集团(广东)建设有限公司 | A convenient adjustable lintel formwork support structure and construction method thereof |
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2022
- 2022-12-30 CN CN202211732890.6A patent/CN116005949A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118461892A (en) * | 2024-06-13 | 2024-08-09 | 新华建集团(广东)建设有限公司 | A convenient adjustable lintel formwork support structure and construction method thereof |
| CN118461892B (en) * | 2024-06-13 | 2024-11-15 | 新华建集团(广东)建设有限公司 | A convenient adjustable lintel formwork support structure and construction method thereof |
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