CN217974070U - Steel-concrete beam wing plate construction formwork support - Google Patents
Steel-concrete beam wing plate construction formwork support Download PDFInfo
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- CN217974070U CN217974070U CN202222091111.0U CN202222091111U CN217974070U CN 217974070 U CN217974070 U CN 217974070U CN 202222091111 U CN202222091111 U CN 202222091111U CN 217974070 U CN217974070 U CN 217974070U
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Abstract
The utility model relates to a steel-concrete beam pterygoid lamina construction formwork support, including the steel beam case, steel box girder side is provided with the multiunit support frame, and the support frame includes main skeleton, die block board and side form board, and main skeleton is including horizontal roof beam and the vertical roof beam that is used for forming the unequal arm of T type, and vertical roof beam lower part passes through fastener can dismantle on a plurality of second screw-thread steel of setting on the steel box girder, and die block board and steel box girder are connected through first screw-thread steel support respectively at the both ends of horizontal roof beam, and first screw-thread steel sub-unit connection has a bottom end crossbeam, and the bottom end crossbeam passes through the square timber to be supported in the die block board below. The transverse beam and the vertical beam of the support frame of the utility model are welded to form a T-shaped unequal arm structure, thereby improving the safety and reducing the construction cost compared with the conventional support scheme of building a door opening or a prefabricated plate; the lower part of the vertical beam is detachably connected with the second deformed steel bars on the steel box beam through the fastening devices, so that the dismounting efficiency can be improved and the reuse of the main framework is not influenced compared with all welding modes.
Description
Technical Field
The utility model relates to a bridge construction technical field specifically indicates a steel-concrete beam pterygoid lamina construction formwork support.
Background
At present, in the construction of a steel-concrete combined box girder, a box body part of the box girder is a steel girder, a wing plate part of a wing is of a reinforced concrete structure, a template needs to be erected on the wing plate part after the steel girder is in place, and concrete is cast in place to form the steel-concrete combined girder. When the wing plate of part overpass building is under construction, need guarantee that the thread is single two-way current at least, if the wing plate section of encorbelmenting adopts conventional support scheme, need set up the door opening, the safe risk is high, and construction cost is high.
SUMMERY OF THE UTILITY MODEL
For solving not enough among the prior art, the utility model provides a steel-concrete beam pterygoid lamina construction formwork support, the safe risk is low, has reduced construction cost.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme: the utility model provides a steel-concrete beam pterygoid lamina construction formwork support, including the steel beam case, steel box girder side is provided with the multiunit support frame, the support frame includes main skeleton, die block and side form, main skeleton is including horizontal roof beam and the vertical roof beam that is used for forming the unequal arm of T type, the vertical roof beam lower part can be dismantled on a plurality of second screw-thread steel of setting on the steel box girder through fastener, the both ends of horizontal roof beam support through first screw-thread steel respectively and connect die block and steel box girder, first screw-thread steel sub-unit connection has a bottom beam, the bottom beam passes through the square timber and supports in the die block below.
The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on bridges with large span, in a large-span cable support bridge, the span of the steel box girder reaches hundreds of meters and thousands of meters, and is generally divided into a plurality of girder sections for manufacturing and mounting, and the steel box girder is generally formed by connecting a top plate, a bottom plate, a web plate, a transverse clapboard, a longitudinal clapboard, a stiffening rib and the like in a full-welding mode. The wing plates are symmetrically arranged on two side edges of the steel box girder and are formed by pouring concrete through a pouring template formed by a bottom template and a side template of the supporting frame.
The side formworks are arranged on two side edges of the bottom formwork and a side edge far away from one side of the steel box girder, and the first deformed steel bar on one side is positioned on one side of the side formworks and used for connecting and supporting the side formworks and pouring concrete; the transverse beam and the vertical beam of the support frame are welded to form a T-shaped unequal arm structure, the vertical beam is welded on one side of the transverse beam close to the inner side of the steel box girder, the lower part of the vertical beam is detachably connected with the plurality of second deformed steels on the steel box girder through a fastening device, and two ends of the transverse beam are respectively connected with the bottom template and the steel box girder through first deformed steel supports, so that the main framework is fixed, the support frame is used for forming a pouring mold, and compared with a conventional support frame scheme, the construction cost can be reduced; if the precast slab construction mode is adopted, the precast slab construction needs to build a small precast yard, purchase a template, a vibrating table and the like, the amount of precast squares is small, the investment for building the precast yard is high at one time, and the loss is serious, so that the construction cost is reduced compared with the precast slab construction mode;
vertical roof beam lower part can be dismantled with the second screw-thread steel and be connected, play saving cost, improve work efficiency's effect, it is direct with the lower extreme welding of second screw-thread steel and vertical roof beam because of current means, however, this kind of mode is behind pouring concrete formation pterygoid lamina, need demolish the main skeleton through the mode of cutting, the second screw-thread steel sets up around vertical roof beam, distribute differently with first screw-thread steel, if cut the second screw-thread steel through cutting mode, the nearer inconvenient cutting of second screw-thread steel distance, still can damage vertical roof beam, the remaining of second screw-thread steel still can influence the reuse of vertical roof beam, and through the detachable mode, can enough improve demolishs efficiency, do not influence the reuse of main skeleton again.
Preferably, the lower portion of the vertical beam is provided with a plurality of vertical sleeves arranged on the side edge of the vertical beam, a plurality of second thread steels upwards extend into the sleeves, and the two side ends of the arc-shaped clamping plate of the fastening device tightly push the second thread steels into the sleeves through fastening bolt groups.
A plurality of sleeve welding are at vertical roof beam lower part side, and the sleeve distributes in the four corners of vertical roof beam, second screw-thread steel and sleeve looks adaptation, and a plurality of second screw-thread steels upwards extend to the sleeve in, the sleeve plays the limiting displacement of position from top to bottom to the second screw-thread steel, and fastener's fastening bolt group passes the arc pinch-off blades, with the tight second screw-thread steel in arc pinch-off blades both sides difference top.
Preferably, the fastening device further comprises a fastening seat arranged on the side face of the vertical beam, a clamping notch is formed in the side wall of the sleeve, the fastening bolt group penetrates through the arc-shaped clamping plate to be in threaded connection with the fastening seat, and the fastening bolt group is used for tightly pushing two side ends of the arc-shaped clamping plate to one side of the second deformed steel bar.
Preferably, the fastening devices on the vertical beams are symmetrically arranged in two groups.
Preferably, the fastening bolt group includes a plurality of fastening bolts.
As preferred, the both ends of arc clamp plate are the arc, and the arc is vertical to be seted up a plurality of draw-in grooves.
The arc shape of arc and the outside looks adaptation of second screw-thread steel, the draw-in groove can connect the arch on the screw-thread steel for further increase the tight fixed action of clamp of arc clamp plate to the clamp of second screw-thread steel.
Preferably, the bottom template and the side templates are respectively made of bamboo plywood.
Contrast prior art, the beneficial effects of the utility model reside in that: the transverse beams and the vertical beams of the support frame are welded to form a T-shaped unequal arm structure, and form a pouring template for pouring concrete together with the side templates and the bottom template, so that the safety is improved and the construction cost is reduced compared with the conventional support scheme in which a door opening or a prefabricated slab is erected;
the lower part of the vertical beam is detachably connected with the second deformed steel bars on the steel box beam through the fastening devices, so that the dismounting efficiency can be improved and the reuse of the main framework is not influenced compared with all welding modes.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic top view of a portion of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 of the present invention;
FIG. 4 is a schematic structural view of a part of the fastening device of the present invention;
fig. 5 is an enlarged schematic view of the structure at B in fig. 4 of the present invention.
Reference numerals shown in the drawings: 1. a steel beam box; 2. a transverse beam; 3. a vertical beam; 4. a bottom template; 5. a sideform; 6. a first deformed steel bar; 7. a second deformed steel bar; 8. a bottom cross member; 9. a sleeve; 901. a notch; 10. a fastening seat; 11. fastening a bolt; 12. an arc-shaped clamping plate; 1201. an arc-shaped plate; 1202. a card slot; 13. a threaded bore.
Detailed Description
According to the specific embodiment, further explain the utility model discloses, as shown in fig. 1 ~ 5, a steel-concrete beam pterygoid lamina construction formwork support, including steel beam box 1, the steel beam side is provided with the multiunit support frame, the support frame includes main skeleton, die block 4 and side form 5, main skeleton is including horizontal roof beam 2 and the vertical roof beam 3 that is used for forming the unequal arm of T type, can dismantle through fastener in 3 lower parts of vertical roof beam on a plurality of second screw-thread steel 7 of setting on the steel beam, the fastener symmetry on the vertical roof beam 3 is provided with two sets ofly, the both ends of horizontal roof beam 2 support through first screw-thread steel 6 respectively and connect die block 4 and steel beam, 6 sub-unit connections of first screw-thread steel have a base crossbeam 8, base crossbeam 8 supports in die block 4 below through the square timber. First deformed steel 6 passes bottom die plate 4 and is connected with end crossbeam 8, and first deformed steel 6 is provided with a plurality ofly, and a plurality of first deformed steel 6 are used for passing bottom die plate 4 and are connected with end crossbeam 8, wherein, are close to a set of first deformed steel 6 and the steel box girder fixed connection of steel box girder one side.
The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on bridges with large span, in a large-span cable support bridge, the span of the steel box girder reaches hundreds of meters and thousands of meters, and is generally divided into a plurality of girder sections for manufacturing and mounting, and the steel box girder is generally formed by connecting a top plate, a bottom plate, a web plate, a transverse clapboard, a longitudinal clapboard, a stiffening rib and the like in a full-welding mode. The wing plates are symmetrically arranged on two side edges of the steel box girder and are formed by pouring concrete through a pouring template formed by a bottom template 4 and a side template 5 of the supporting frame.
The side formworks 5 are arranged on two side edges of the bottom formwork 4 and on the side edge far away from one side of the steel box girder, the first deformed steel bars 6 on one side are positioned on one side of the side formworks 5 and used for connecting and supporting the side formworks 5 and pouring concrete, and the bottom formwork 4 and the side formworks 5 are respectively bamboo rubber plates; the transverse beam 2 and the vertical beam 3 of the support frame are welded to form a T-shaped unequal arm structure, the vertical beam 3 is welded on one side of the transverse beam 2 close to the inner side of the steel box girder, the lower part of the vertical beam 3 is detachably connected with a plurality of second deformed steels 7 on the steel box girder through a fastening device, and two ends of the transverse beam 2 are respectively connected with the bottom template 4 and the steel box girder through first deformed steels 6 in a supporting manner, so that the main framework is fixed, the support frame is used for forming an irrigation mold, and compared with a conventional support frame scheme, the support frame has the advantages that the safety is improved, and the construction cost is reduced; if the precast slab construction mode is adopted, the precast slab construction needs to build a small precast yard, purchase a template, a vibrating table and the like, the amount of precast squares is small, the investment for building the precast yard is high at one time, and the loss is serious, so that the construction cost is reduced compared with the precast slab construction mode;
The lower part of the vertical beam 3 is provided with a plurality of vertical sleeves 9 arranged on the side edge of the vertical beam 3, a plurality of second deformed steel bars 7 upwards extend into the sleeves 9, the two sides of the arc-shaped clamping plate 12 of the fastening device tightly push the second deformed steel bars 7 in the sleeves 9 through fastening bolt groups, and the fastening bolt groups comprise a plurality of fastening bolts 11.
A plurality of sleeves 9 weld at 3 lower part sides of vertical roof beam, and sleeve 9 distributes in the four corners of vertical roof beam 3, and second deformed steel bar 7 and sleeve 9 looks adaptation, a plurality of second deformed steel bars 7 upwards extend to in the sleeve 9, and the sleeve 9 plays the limiting displacement of position from top to bottom to second deformed steel bar 7, and fastener's fastening bolt group passes arc pinch-off blades 12, pushes up second deformed steel bar 7 respectively with 12 both sides of arc pinch-off blades.
The fastening device further comprises a fastening seat 10 arranged on the side face of the vertical beam 3, a clamping gap 901 is formed in the side wall of the sleeve 9, a fastening bolt group penetrates through the arc-shaped clamping plate 12 to be in threaded connection with the fastening seat 10, the fastening seat 10 and the arc-shaped clamping plate 12 are correspondingly provided with threaded holes 13, the threaded holes 13 are matched with fastening bolts 11, and the fastening bolt group is used for tightly propping the two side ends of the arc-shaped clamping plate 12 against one side of the second deformed steel bar 7; the two ends of the arc-shaped clamping plate 12 are arc-shaped plates 1201, a plurality of clamping grooves 1202 are vertically formed in the arc-shaped plates 1201, the arc-shaped shapes of the arc-shaped plates 1201 are matched with the outer sides of the second deformed steel bars 7, and the clamping grooves 1202 can be connected with protrusions on the deformed steel bars for further increasing the clamping and fixing effects of the arc-shaped clamping plate 12 on the second deformed steel bars 7.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present invention.
Claims (7)
1. The utility model provides a steel-concrete beam pterygoid lamina construction formwork support, includes steel beam box (1), its characterized in that: the steel box girder side is provided with the multiunit support frame, the support frame includes main skeleton, die block board (4) and side form (5), the main skeleton is including horizontal roof beam (2) and vertical roof beam (3) that are used for forming the unequal arm of T type, vertical roof beam (3) lower part is through fastener can dismantle on a plurality of second screw-thread steel (7) of setting on the steel box girder, the both ends of horizontal roof beam (2) support connection die block board (4) and steel box girder through first screw-thread steel (6) respectively, first screw-thread steel (6) sub-unit connection has end crossbeam (8), end crossbeam (8) support in die block board (4) below through the square timber.
2. The formwork support for steel-concrete beam wing plate construction according to claim 1, characterized in that: vertical roof beam (3) lower part is provided with a plurality of vertical settings at sleeve (9) of vertical roof beam (3) side, and is a plurality of second screw-thread steel (7) upwards extend to in sleeve (9), fastener's arc pinch-off blades (12) both sides end is tight in sleeve (9) with second screw-thread steel (7) top through fastening bolt group.
3. The steel-concrete beam wing plate construction formwork support as claimed in claim 2, wherein: the fastening device further comprises a fastening seat (10) arranged on the side face of the vertical beam (3), a clamping gap (901) is formed in the side wall of the sleeve (9), the fastening bolt group penetrates through the arc-shaped clamping plate (12) to be in threaded connection with the fastening seat (10), and the fastening bolt group is used for tightly propping two side ends of the arc-shaped clamping plate (12) against one side of the second deformed steel bar (7).
4. The steel-concrete beam wing plate construction formwork support as claimed in claim 1, wherein: two groups of fastening devices are symmetrically arranged on the vertical beam (3).
5. The steel-concrete beam wing plate construction formwork support as claimed in claim 2, wherein: the fastening bolt group includes a plurality of fastening bolts (11).
6. The steel-concrete beam wing plate construction formwork support as claimed in claim 2, wherein: the two ends of the arc-shaped clamping plate (12) are arc-shaped plates (1201), and a plurality of clamping grooves (1202) are vertically formed in the arc-shaped plates (1201).
7. The steel-concrete beam wing plate construction formwork support as claimed in claim 1, wherein: the bottom template (4) and the side template (5) are respectively bamboo plywood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222091111.0U CN217974070U (en) | 2022-08-09 | 2022-08-09 | Steel-concrete beam wing plate construction formwork support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222091111.0U CN217974070U (en) | 2022-08-09 | 2022-08-09 | Steel-concrete beam wing plate construction formwork support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217974070U true CN217974070U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222091111.0U Active CN217974070U (en) | 2022-08-09 | 2022-08-09 | Steel-concrete beam wing plate construction formwork support |
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| Country | Link |
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| CN (1) | CN217974070U (en) |
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- 2022-08-09 CN CN202222091111.0U patent/CN217974070U/en active Active
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