CN216276916U - Flange plate formwork supporting device for construction of steel-concrete composite beam - Google Patents
Flange plate formwork supporting device for construction of steel-concrete composite beam Download PDFInfo
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- CN216276916U CN216276916U CN202123093472.0U CN202123093472U CN216276916U CN 216276916 U CN216276916 U CN 216276916U CN 202123093472 U CN202123093472 U CN 202123093472U CN 216276916 U CN216276916 U CN 216276916U
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Abstract
The utility model particularly relates to a flange plate formwork supporting device for construction of a steel-concrete composite beam, and solves the problems that the existing operation mode of erecting a scaffold and installing a concrete flange plate formwork is labor-consuming and labor-consuming, low in efficiency, high in safety risk and high in cost. A flange plate formwork supporting device for construction of a steel-concrete composite beam is characterized in that a plurality of supporting units are arranged on the left side of an I-shaped steel beam, and each supporting unit comprises a supporting rod; an upper screw rod is arranged at the left part of the supporting rod, a lower screw rod is arranged on the left side surface of a web plate of the I-shaped steel beam, an inclined supporting pipe is arranged between the upper screw rod and the lower screw rod, two end parts of the inclined supporting pipe are fixedly provided with an internal thread sleeve in a penetrating way, and a protective vertical rod is fixed at the left end part of the supporting rod; a protective railing is fixedly connected between the protective upright rods; the upper sides of the supporting rods are provided with longitudinal square timbers together. The utility model improves the safety factor of the concrete flange plate template installation operation, reduces the labor intensity, improves the installation efficiency of the concrete flange plate template, and can be used repeatedly.
Description
Technical Field
The utility model relates to a supporting device for bridge engineering, in particular to a flange plate formwork supporting device for construction of a steel-concrete composite beam.
Background
In bridge engineering, a steel-concrete composite beam, referred to as a steel-concrete composite beam for short, is a novel structural form developed on the basis of steel structures and concrete structures. The steel-concrete composite beam mainly resists the lifting and relative sliding of the steel beam and the concrete flange plate at the interface by arranging the shear connector between the steel beam and the concrete flange plate, so that the steel beam and the concrete flange plate are integrated to work together. The longitudinal stress member of the steel-concrete composite beam is an I-shaped steel beam, and the construction procedures of factory prefabrication and field splicing are adopted, so that the construction period can be shortened, and the construction efficiency is improved. At present, the installation of the formwork of the concrete flange plate of the steel-concrete composite beam is realized by erecting a scaffold.
However, practice shows that the existing operation mode for erecting the scaffold to install the concrete flange plate formwork has the following problems in application: firstly, high-altitude operation is required for erecting the scaffold and installing the template, so that the safety risk is high; secondly, a large amount of labor is needed in the mounting and dismounting operations of the scaffold, the efficiency is low, and the labor intensity is high; thirdly, the use amount of the scaffold is large, the labor time is long, and the cost for renting the scaffold is high. Therefore, the flange plate formwork supporting device for the construction of the steel-concrete composite beam is needed to be invented, the operation is simple, the flange plate formwork supporting device can be used repeatedly, the construction quality and the construction safety are guaranteed, the work efficiency is greatly improved, and the construction cost is saved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flange plate formwork supporting device for construction of a steel-concrete composite beam, aiming at solving the problems of labor waste, low efficiency, high safety risk and high cost of the existing operation mode of erecting a scaffold to install a concrete flange plate formwork.
The utility model is realized by adopting the following technical scheme:
a flange plate formwork supporting device for steel-concrete composite beam construction comprises an I-shaped steel beam; the left side of the I-shaped steel beam is provided with a plurality of supporting units which are distributed at equal intervals from front to back, each supporting unit comprises a supporting rod which is transversely arranged, and the right end part of each supporting rod is connected with the left side surface of a web plate of the I-shaped steel beam through an adjusting mechanism; the left part of the supporting rod is provided with an upper screw rod, the top of the supporting rod is hinged with the upper screw rod, the left side surface of a web plate of the I-shaped steel beam is provided with a lower screw rod hinged with the web plate, a diagonal bracing tube which is obliquely arranged in a high left-right direction is arranged between the upper screw rod and the lower screw rod, two end parts of the diagonal bracing tube are fixedly provided with internal thread sleeves in a penetrating way, the thread directions of the two internal thread sleeves are opposite, and the internal thread sleeve positioned above the diagonal bracing tube is in threaded connection with the upper screw rod; the internal thread sleeve positioned below is in threaded connection with the lower screw; a protective upright rod positioned above the supporting rod is vertically fixed at the left end part of the supporting rod; a protective handrail is fixedly connected between the protective vertical rods of two adjacent supporting units; the upper side of the supporting rod is provided with a plurality of longitudinal square timbers which are distributed at equal distance from left to right.
Furthermore, the adjusting mechanism comprises a triangular connecting plate and a transverse upright adjusting plate fixed on a web plate of the I-shaped steel beam, three adjusting holes distributed up and down are formed in the adjusting plate in a penetrating mode, and the two adjusting holes on the lower side are arc-shaped with arc mouths facing upwards; the top of the triangular connecting plate is fixedly connected with the right end part of the supporting rod through an I-shaped connecting bolt; the right part of the triangular connecting plate is fixedly connected with the adjusting plate through three II connecting bolts penetrating through the adjusting holes.
Furthermore, the upper surface of each supporting rod is provided with a transverse square timber which is positioned at the bottom of the longitudinal square timber.
Furthermore, the left side of the web plate of the I-shaped steel beam is fixedly provided with an I-shaped connecting plate, the bottom of the lower screw rod is integrally fixedly provided with a II-shaped connecting plate, and the I-shaped connecting plate and the II-shaped connecting plate are jointly provided with an I-shaped connecting pin in a penetrating mode, and the I-shaped connecting pin is rotatably connected with the I-shaped connecting plate and the II-shaped connecting plate.
Furthermore, the top of the upper screw rod is integrally fixed with a III connecting plate, and a II connecting pin which is rotatably connected with the III connecting plate and the supporting rod is arranged on the III connecting plate and the supporting rod in a penetrating mode.
The concrete flange plate formwork installation device is reasonable and reliable in structural design, effectively improves the safety coefficient of concrete flange plate formwork installation operation, saves the process of erecting a scaffold, can be quickly installed and disassembled, reduces the labor intensity in operation, improves the installation efficiency of the concrete flange plate formwork, can adjust the formwork elevation, is convenient to adjust and operate, increases the accuracy of the formwork position, can be further recycled for multiple times, reduces the construction cost, has the advantages of convenience in formwork removal and strong practicability, is suitable for construction of steel-concrete composite beams, and can be popularized and applied in similar projects.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure, 1-I-shaped steel beam, 2-support rod, 3-upper screw rod, 4-lower screw rod, 5-inclined support pipe, 6-protective upright rod, 7-longitudinal square timber, 8-triangular connecting plate, 9-adjusting plate, 10-I connecting bolt, 11-II connecting bolt, 12-transverse square timber, 13-I connecting plate, 14-II connecting plate, 15-I connecting pin, 16-III connecting plate, 17-II connecting pin and 18-bottom template of concrete flange plate.
Detailed Description
A flange plate formwork supporting device for steel-concrete composite beam construction comprises an I-shaped steel beam 1; as shown in the attached drawing 1, a plurality of supporting units which are distributed equidistantly in the front and back are arranged on the left side of an I-shaped steel beam 1, each supporting unit comprises a supporting rod 2 which is transversely placed, and the right end part of each supporting rod 2 is connected with the left side surface of a web plate of the I-shaped steel beam 1 through an adjusting mechanism; an upper screw 3 with the top hinged with the support rod 2 is arranged at the left part of the support rod, a lower screw 4 hinged with the web plate of the I-shaped steel beam 1 is arranged on the left side surface of the web plate of the I-shaped steel beam, a diagonal bracing tube 5 which is obliquely arranged in a high left and low right manner is arranged between the upper screw 3 and the lower screw 4, two internal thread sleeves are fixedly arranged at two end parts of the diagonal bracing tube 5 in a penetrating way, the thread directions of the two internal thread sleeves are opposite, and the internal thread sleeve positioned above the two internal thread sleeves is in threaded connection with the upper screw 3; the internal thread sleeve positioned below is in threaded connection with the lower screw rod 4; a protective upright rod 6 positioned above the supporting rod 2 is vertically fixed at the left end part of the supporting rod 2; a protective handrail is fixedly connected between the protective upright stanchions 6 of two adjacent supporting units; the upper side of the supporting rod 2 is provided with a plurality of longitudinal square timbers 7 which are distributed at equal distance from left to right.
According to the utility model, the supporting unit and the longitudinal square timber 7 are arranged on the left side of the I-shaped steel beam 1, so that a supporting effect is provided for the concrete flange plate template, and the I-shaped steel beam 1 can provide a vertical supporting effect for the supporting device when in use; the combined structure design of the adjusting mechanism, the upper screw 3, the lower screw 4, the inclined supporting pipe 5 and the internal thread sleeve enables the height of the supporting rod 2 to be adjustable, so that the elevation of the template can be adjusted, and the accuracy of the position of the template in construction is improved; the combined structure design of the protection upright stanchion 6 and the protection railing can provide protection effect for operators in the template erecting process, and the safety performance of the support device is improved.
During the installation, at first through adjustment mechanism will preinstall last screw rod 3, the bracing piece 2 and the I-steel roof beam 1 of protection pole setting 6 are connected, install the telescopic bracing tube 5 of internal thread in advance between last screw rod 3 and lower screw rod 4 after that, accomplish the installation of support element from this, then fixed connection prevents the railing between two adjacent support element's protection pole setting 6, and place vertical square timber 7 at the upside of bracing piece 2, place concrete flange board template in the top of vertical square timber 7 at last, can realize the purpose of supporting the template. When the elevation of the concrete flange plate formwork needs to be adjusted, the inclined supporting pipe 5 is rotated to drive the internal thread sleeve positioned above to rotate around the upper screw rod 3, and meanwhile, the internal thread sleeve positioned below rotates around the lower screw rod 4, so that the threaded connection length of the internal thread sleeve and the upper screw rod 3 as well as the threaded connection length of the internal thread sleeve and the lower screw rod 4 are changed, the supporting rod 2 is made to rotate around the I-shaped steel beam 1 until the elevation of the concrete flange plate formwork reaches the design requirement, and therefore the placement and elevation adjustment of the concrete flange plate formwork are completed.
As shown in the attached drawing 1, the adjusting mechanism comprises a triangular connecting plate 8 and a transversely upright adjusting plate 9 fixed to a web plate of the i-shaped steel beam 1, three adjusting holes distributed up and down are formed in the adjusting plate 9 in a penetrating manner, and the two adjusting holes on the lower side are arc-shaped with arc mouths facing upwards; the top of the triangular connecting plate 8 is fixedly connected with the right end part of the supporting rod 2 through an I-shaped connecting bolt 10; the right part of the triangular connecting plate 8 is fixedly connected with the adjusting plate 9 through three II-th connecting bolts 11 penetrating through the adjusting holes.
When the concrete flange plate formwork is used, the second connecting bolts 11 positioned above are connected firstly, so that the primary fixing of the support rod 2 and the I-shaped steel beam 1 is realized, after the elevation of the concrete flange plate formwork is adjusted in place, the two second connecting bolts 11 positioned above are connected, so that the firm fixing of the support rod 2 and the I-shaped steel beam 1 can be realized, in the process, the arc-shaped adjusting holes can adapt to the angle change of the support rod 2 and the I-shaped steel beam 1, and the structural reliability of the concrete flange plate formwork is effectively improved; in addition, the connection mode of the triangular connection plate 8, the I-th connection bolt 10 and the II-th connection bolt 11 is convenient for mounting and dismounting the supporting device, and is convenient for turnover use.
As shown in fig. 1, the upper surface of each support rod 2 is provided with a transverse square timber 12 at the bottom of the longitudinal square timber 7.
The transverse square timber 12 is structurally designed to be convenient for formwork removal operation, and the transverse square timber 12 is taken out from the side surface during formwork removal to drive the longitudinal square timber 7 to move downwards so that the formwork is separated from the concrete; secondly, the contact area between the longitudinal square timber 7 and the support rod 2 is increased, and the support effect of the support device is improved.
As shown in the attached drawing 1, a first connecting plate 13 is fixed on the left side of a web plate of the I-shaped steel beam 1, a second connecting plate 14 is integrally fixed at the bottom of the lower screw rod 4, and a first connecting pin 15 which is rotatably connected with the first connecting plate 13 and the second connecting plate 14 is arranged on the first connecting plate 13 and the second connecting plate 14 in a penetrating mode.
This structural design has realized the articulated connection of lower screw rod 4 and I-steel beam 1's web, and the structure is simple and easy, has further guaranteed this strutting arrangement's structural reliability.
As shown in the attached figure 1, a III connecting plate 16 is integrally fixed on the top of the upper screw rod 3, and a II connecting pin 17 rotatably connected with the III connecting plate 16 and the support rod 2 is arranged on the III connecting plate and the support rod together in a penetrating manner.
This structural design has realized going up the articulated connection of screw rod 3 with bracing piece 2, and the structure is simple and easy, has further guaranteed this strutting arrangement's structural reliability.
In the specific implementation process, the arrangement distance of the supporting units is 90 cm; the support rod 2 is made of angle steel with the model of 50mm multiplied by 5 mm; the transverse square timber 12 can be used for finely adjusting the position of the template; the longitudinal square timber 7 is made of square timber of 10cm multiplied by 10 cm; the bottom template 18 of the concrete flange plate is made of bamboo plywood with the thickness of 12 mm; the inclined supporting pipe 5 is made of a thickened galvanized steel pipe with the nominal diameter of 25 mm; the external diameter of the internally threaded sleeve is 25 mm.
Claims (5)
1. A flange plate formwork supporting device for construction of a steel-concrete composite beam comprises an I-shaped steel beam (1); the method is characterized in that: the left side of the I-shaped steel beam (1) is provided with a plurality of supporting units which are distributed at equal intervals from front to back, each supporting unit comprises a supporting rod (2) which is transversely placed, and the right end part of each supporting rod (2) is connected with the left side surface of a web plate of the I-shaped steel beam (1) through an adjusting mechanism; an upper screw (3) with the top hinged with the support rod is arranged at the left part of the support rod (2), a lower screw (4) hinged with the support rod is arranged on the left side surface of a web plate of the I-shaped steel beam (1), a diagonal brace pipe (5) which is obliquely arranged in a high-left and low-right manner is arranged between the upper screw (3) and the lower screw (4), internal thread sleeves are fixedly arranged at two end parts of the diagonal brace pipe (5) in a penetrating manner, the thread directions of the two internal thread sleeves are opposite, and the internal thread sleeve positioned above the diagonal brace pipe is in threaded connection with the upper screw (3); the internal thread sleeve positioned below is in threaded connection with the lower screw (4); a protective upright (6) positioned above the supporting rod (2) is vertically fixed at the left end part of the supporting rod; a protective handrail is fixedly connected between the protective upright stanchions (6) of two adjacent supporting units; the upper side of the supporting rod (2) is provided with a plurality of longitudinal square timbers (7) which are distributed at equal distance from left to right.
2. The flange plate formwork support device for the construction of the steel-concrete composite beam as claimed in claim 1, wherein: the adjusting mechanism comprises a triangular connecting plate (8) and a transverse upright adjusting plate (9) fixed on a web plate of the I-shaped steel beam (1), three adjusting holes distributed up and down are formed in the adjusting plate (9) in a penetrating mode, and the two adjusting holes on the lower side are arc-shaped with arc openings facing upwards; the top of the triangular connecting plate (8) is fixedly connected with the right end part of the supporting rod (2) through an I-shaped connecting bolt (10); the right part of the triangular connecting plate (8) is fixedly connected with the adjusting plate (9) through three II connecting bolts (11) penetrating through the adjusting holes.
3. The flange plate formwork support device for the construction of the steel-concrete composite beam as claimed in claim 1, wherein: the upper surface of each supporting rod (2) is provided with a transverse square timber (12) positioned at the bottom of the longitudinal square timber (7).
4. The flange plate formwork support device for the construction of the steel-concrete composite beam as claimed in claim 1, wherein: a first connecting plate (13) is fixed on the left side of a web plate of the I-shaped steel beam (1), a second connecting plate (14) is integrally fixed at the bottom of the lower screw rod (4), and a first connecting pin (15) rotatably connected with the first connecting plate (13) and the second connecting plate (14) is arranged on the first connecting plate (13) and the second connecting plate (14) in a penetrating mode.
5. The flange plate formwork support device for the construction of the steel-concrete composite beam as claimed in claim 1, wherein: a third connecting plate (16) is integrally fixed at the top of the upper screw rod (3), and a second connecting pin (17) which is rotatably connected with the third connecting plate (16) and the support rod (2) is arranged on the third connecting plate (16) and the support rod in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123093472.0U CN216276916U (en) | 2021-12-10 | 2021-12-10 | Flange plate formwork supporting device for construction of steel-concrete composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123093472.0U CN216276916U (en) | 2021-12-10 | 2021-12-10 | Flange plate formwork supporting device for construction of steel-concrete composite beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216276916U true CN216276916U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123093472.0U Active CN216276916U (en) | 2021-12-10 | 2021-12-10 | Flange plate formwork supporting device for construction of steel-concrete composite beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216276916U (en) |
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2021
- 2021-12-10 CN CN202123093472.0U patent/CN216276916U/en active Active
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