CN212404844U - Bracket system for cast-in-situ flange plate of I-shaped steel-concrete composite beam - Google Patents
Bracket system for cast-in-situ flange plate of I-shaped steel-concrete composite beam Download PDFInfo
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- CN212404844U CN212404844U CN202020566180.0U CN202020566180U CN212404844U CN 212404844 U CN212404844 U CN 212404844U CN 202020566180 U CN202020566180 U CN 202020566180U CN 212404844 U CN212404844 U CN 212404844U
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Abstract
The utility model relates to a bracket system that is used for cast-in-place flange plate of I shape steel reinforced concrete composite beam belongs to bridge construction technical field, includes: the cantilever bracket component comprises an triangular support and a supporting piece, the triangular support is positioned between an upper flange plate and a lower flange plate of the I-shaped steel, the top end of the triangular support is detachably connected with the upper flange plate through a connecting piece, the supporting piece is fixedly connected to the bottom of the triangular support, and one end of the supporting piece abuts against a web plate of the I-shaped steel; face limit guard member, it includes vertical steel pipe and horizontal steel pipe, and vertical steel pipe can dismantle the connection at the top of A-frame, and horizontal steel pipe fixed connection has tied up on vertical steel pipe and the horizontal steel pipe and has prevented throwing the net. The triangular support and the upper flange plate of the support system are detachably connected, the supporting piece abuts against the web plate of the I-shaped steel, the edge protection component is detachably connected with the triangular support, and the support system has the advantages of being few in material consumption, simple in component, clear in stress, light and convenient to install, flexible to disassemble and free of damage to the I-shaped steel.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a bracket system for a cast-in-place flange plate of an I-shaped steel-concrete composite beam.
Background
With the development of the urbanization process, the I-shaped steel-concrete composite beam has obvious advantages in the aspects of reducing traffic interference, building, updating and maintaining bridges, reducing environmental pollution and energy consumption, improving construction quality and the like in the road and bridge with busy traffic, and is increasingly applied to the project of building and replacing the upper structure of the bridge in the urban viaduct.
Cast-in-place flange plate of bridge floor generally adopts the welded steel form, needs to weld bearing structure such as bracket on permanent girder steel, and after concrete placement finishes, need demolish these bearing structure, demolish bearing structure and produce the influence to permanent girder steel easily. Or a truss type steel template is adopted, so that the device is heavy and low in efficiency; or the cantilever multi-rod adjustable support is adopted, the processing is complex, the cost is high, the concrete is unstable during vibration, the quality control of the flange plate is unfavorable, and the like.
Disclosure of Invention
The embodiment of the application provides a bracket system for cast-in-place flange plate of an I-shaped steel-concrete composite beam, which aims to solve the problem that in the prior art, the cast-in-place flange plate of a bridge deck needs to be provided with support structures such as brackets, and after concrete pouring is finished, the support structures are dismantled to easily influence a permanent steel beam.
The embodiment of the application provides a bracket system that is used for cast-in-place flange plate of I shaped steel reinforced concrete composite beam, includes:
the cantilever bracket component comprises an triangular support and a supporting piece, the triangular support is positioned between an upper flange plate and a lower flange plate of the I-shaped steel, the top end of the triangular support is detachably connected with the upper flange plate through a connecting piece, the supporting piece is fixedly connected to the bottom of the triangular support, and one end of the supporting piece abuts against a web plate of the I-shaped steel;
face limit protection component, face limit protection component and include vertical steel pipe and horizontal steel pipe, vertical steel pipe can dismantle the top of connection at the A-frame, horizontal steel pipe fixed connection is on vertical steel pipe, it prevents throwing the net to have tied up on vertical steel pipe and the horizontal steel pipe.
In some embodiments: the A-frame is formed by welding a cross beam, a stand column and an inclined strut end to end, one end close to the I-shaped steel on the cross beam is provided with a mounting hole, a bolt hole is formed in the upper flange plate, the connecting piece comprises a screw rod, an upper nut and a lower nut, the screw rod penetrates into the mounting hole of the cross beam and the bolt hole of the upper flange plate and is fastened through the upper nut and the lower nut.
In some embodiments: and one end of the beam, which is far away from the I-shaped steel, is vertically provided with a steel sleeve, and the vertical steel pipe is connected with the steel sleeve in a plugging manner.
In some embodiments: and the top ends of the upper nut and the screw rod are sleeved with PVC pipes, and the tops of the PVC pipes are sealed.
In some embodiments: the cross beam, the upright post and the inclined strut are all made of steel pipe materials with the diameter of 48mm and the wall thickness of 3.5 mm.
In some embodiments: the support piece comprises an internal thread pipe and a screw rod, the internal thread pipe is connected with the triangular support in a welded mode, the screw rod is connected into the internal thread pipe in a threaded mode, a cushion block is arranged at one end of the screw rod, and the cushion block abuts against a web plate of the I-shaped steel.
In some embodiments: the top of A-frame is equipped with many square timbers, is equipped with the clear water template at many square timbers upper berth, one side and the last flange board concatenation of clear water template, the one side that the upper flange board was kept away from to the clear water template is equipped with the side form board, side form board and clear water template fixed connection, be equipped with the vaulting pole between side form board and the A-frame, vaulting pole and A-frame fixed connection.
In some embodiments: the cross-sectional dimension of the square timber is 200 x 50mm, the thicknesses of the clear water template and the side template are both 15mm, and the clear water template and the side template are used for pouring the concrete flange plate.
In some embodiments: and the surfaces of the cantilever bracket component and the edge protection component are coated with anti-corrosion paint layers.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a bracket system for cast-in-place flange plate of I-shaped steel-concrete composite beam, because this bracket system is equipped with cantilever bracket component and faces limit protective member, the A-frame of cantilever bracket component is equipped with a plurality ofly, a plurality of A-frames set up along the length direction interval of I-steel, the A-frame is located between the upper limb listrium and the lower flange listrium of I-steel, the top of A-frame is passed through the connecting piece and can be dismantled with the upper limb listrium and be connected, the support piece fixed connection of cantilever bracket component is in the bottom of A-frame, support piece's one end offsets with the web of I-steel. The edge protection component is provided with a vertical steel pipe and a transverse steel pipe, the vertical steel pipe is detachably connected to the top of the triangular support, the transverse steel pipe is fixedly connected to the vertical steel pipe, and an anti-throwing net is tied up on the vertical steel pipe and the transverse steel pipe.
Therefore, the triangular support and the upper flange plate of the support system are detachably connected, the supporting piece abuts against the web plate of the I-shaped steel, the edge protection component is detachably connected with the triangular support, and the support system has the advantages of being few in material consumption, simple in component, clear in stress, light in installation, flexible in disassembly and free of damage to the I-shaped steel. The limb protection component is safe and can be repeatedly used, and can improve the engineering quality and save the construction period in the standardized and rapid construction of the urban viaduct.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a front view of the structure of an embodiment of the present application;
FIG. 2 is a top view of a structure according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a cantilever bracket member according to an embodiment of the present application;
FIG. 4 is a schematic structural view of an edge protection member according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a connector according to an embodiment of the present application.
Reference numerals:
1-beam, 2-column, 3-diagonal brace, 4-screw, 5-upper nut, 6-lower nut, 7-steel sleeve, 8-I-steel, 9-PVC pipe, 10-vertical steel pipe, 11-transverse steel pipe, 12-anti-throwing net, 13-internal threaded pipe, 14-screw rod, 15-cushion block, 16-concrete flange plate, 17-square timber, 18-clear water template, 19-side template, and 20-brace rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a bracket system for cast-in-place flange plate of an I-shaped steel-concrete composite beam, which can solve the problem that in the prior art, the cast-in-place flange plate of a bridge deck needs to be provided with support structures such as brackets, and after concrete pouring is finished, the support structures are dismantled to easily influence a permanent steel beam.
Referring to fig. 1 and 2, an embodiment of the present application provides a bracket system for an i-shaped steel-concrete composite beam cast-in-place flange plate, including:
cantilever bracket component, this cantilever bracket component include A-frame and support piece, and the A-frame is equipped with a plurality ofly, and a plurality of A-frames set up along the length direction interval of I-steel, and the interval between two adjacent A-frames is a meter. The A-frame is located between the upper flange plate and the lower flange plate of the I-steel 8, the top end of the A-frame is detachably connected with the upper flange plate through a connecting piece, the supporting piece is fixedly connected to the bottom of the A-frame, and one end of the supporting piece abuts against the web plate of the I-steel 8.
Face limit guard member, this face limit guard member includes vertical steel pipe 10 and horizontal steel pipe 11, and vertical steel pipe 10 can dismantle the connection at the top of A-frame, and horizontal steel pipe 11 fixed connection has tied up on vertical steel pipe 10 and the horizontal steel pipe 11 and has prevented throwing net 12. The surfaces of the cantilever bracket component and the edge protection component are coated with anti-corrosion paint layers, so that the cantilever bracket component is attractive and anti-rust and can be repeatedly used.
In some alternative embodiments: referring to fig. 3 and 5, the embodiment of the present application provides a bracket system for an i-shaped steel-concrete composite beam cast-in-place flange plate, a triangular bracket of the bracket system is formed by welding a cross beam 1, an upright post 2 and a diagonal brace 3 end to end, and the cross beam 1, the upright post 2 and the diagonal brace 3 are all made of steel pipe materials with a diameter of 48mm and a wall thickness of 3.5 mm. The beam 1 is 1046mm long, the upright post 2 is 250mm long, and the inclined strut 3 is 452mm long. A mounting hole is formed in one end, close to the I-shaped steel 8, of the cross beam 1, and a bolt hole is formed in an upper flange plate of the I-shaped steel 8; one end of the cross beam 1 close to the I-shaped steel 8 only bears horizontal shearing force generated by tensile force and bending moment caused by vertical load.
The connecting piece comprises a screw rod 4, an upper nut 5 and a lower nut 5, wherein the screw rod 4 penetrates through the mounting hole of the cross beam 1 and the bolt hole of the upper flange plate and is fastened through the upper nut 5 and the lower nut 6. The top ends of the upper nut 5 and the screw rod 4 are sleeved with PVC pipes 9, and the tops of the PVC pipes 9 are closed. The upper nuts 5 and the PVC pipes 9 are placed on the upper flange plate of the I-shaped steel 8 in advance, after the concrete flange plate 16 is poured, the upper nuts 5 and the PVC pipes 9 are left in the concrete flange plate 16, and the screw rods 4 can be taken down easily.
In some alternative embodiments: referring to fig. 1 and 4, the embodiment of the present application provides a bracket system for an i-shaped steel-concrete composite beam cast-in-place flange plate, wherein a steel sleeve 7 is vertically arranged at one end of a cross beam 1 of the bracket system, which is far away from an i-shaped steel 8, and the steel sleeve 7 is welded with the cross beam 1. The steel sleeve 7 is made of steel pipe material with the diameter of 48mm and the wall thickness of 3.5mm, and the steel sleeve 7 is 300mm long. The vertical steel pipe 10 is connected with the steel sleeve 7 in a plugging mode, the inner diameter of the vertical steel pipe 10 is slightly larger than the outer diameter of the steel sleeve 7, the length of the vertical steel pipe 10 is 1.2m, the vertical steel pipe 10 and the transverse steel pipe 11 form an edge protection guardrail, the anti-throwing net 12 is arranged on the outer sides of the vertical steel pipe 10 and the transverse steel pipe 11 to form an edge protection component, and the edge protection component is flexible, convenient to install and disassemble and capable of improving the effect.
In some alternative embodiments: referring to fig. 1 and 3, the embodiment of the present application provides a bracket system for an i-shaped steel-concrete composite beam cast-in-place flange plate, wherein a support of the bracket system comprises an internally threaded pipe 13 and a screw 14, the internally threaded pipe 13 is welded with a junction of an upright 2 and a diagonal brace 3, and the internally threaded pipe 13 is vertically connected with the upright 2. The screw rod 14 is in threaded connection with the inner threaded pipe 13, a cushion block 15 is arranged at one end of the screw rod 14, and the cushion block 15 abuts against a web plate of the I-shaped steel 8. The screw rod 14 penetrates through the internal threaded pipe 13 and vertically acts on the side face of the web plate of the I-shaped steel 8, in order to prevent the end face of the screw rod 14 from damaging paint of the I-shaped steel, the screw rod 14 acts on the cushion block 15, the cushion block 15 plays a role in stress release and paint protection, pre-jacking force is applied, and the screw rod is firm and reliable.
In some alternative embodiments: referring to fig. 1, the embodiment of the present application provides a bracket system for an i-shaped steel-concrete composite beam cast-in-place flange plate, a plurality of square timbers 17 are arranged at the top of a triangular bracket of the bracket system, a clear water formwork 18 is laid on the square timbers 17, and one side of the clear water formwork 18 is spliced with an upper flange plate of an i-shaped steel 8. A side template 19 is arranged on one side, away from the upper flange plate of the I-shaped steel 8, of the clear water template 18, the side template 19 is fixedly connected with the clear water template 18, a support rod 20 is arranged between the side template 19 and the cross beam 1 of the triangular support, and the support rod 20 is fixedly connected with the cross beam 1 of the triangular support. The side templates 19 act on the cross beams 1 of the triangular support through the support rods 20 to form a stable stress system, so that the pouring quality of the concrete flange plate 16 is guaranteed.
The cross-sectional dimension of the square timber 17 is preferably 200 x 50mm, the thickness of each of the fair-faced formwork 18 and the side formwork 19 is preferably 15mm, and the fair-faced formwork 18 and the side formwork 19 are used for pouring the concrete flange plate 16. The use of the drywall panels 18 and the sideforms 19 effectively controls the appearance of the concrete flange panels 16.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a bracket system that is used for cast-in-place flange board of I shape steel-concrete composite beam which characterized in that includes:
the cantilever bracket component comprises an triangular support and a supporting piece, the triangular support is positioned between an upper flange plate and a lower flange plate of the I-shaped steel (8), the top end of the triangular support is detachably connected with the upper flange plate through a connecting piece, the supporting piece is fixedly connected to the bottom of the triangular support, and one end of the supporting piece abuts against a web plate of the I-shaped steel (8);
face limit protection component, face limit protection component includes vertical steel pipe (10) and horizontal steel pipe (11), vertical steel pipe (10) can be dismantled and connect at the top of A-frame, horizontal steel pipe (11) fixed connection is on vertical steel pipe (10), it prevents throwing net (12) to tie up on vertical steel pipe (10) and horizontal steel pipe (11).
2. The bracket system for the cast-in-place flange plate of the I-shaped steel-concrete composite beam as claimed in claim 1, wherein:
the A-frame is formed by welding crossbeam (1), stand (2) and bracing (3) end to end, the one end that is close I-steel (8) on crossbeam (1) is equipped with the mounting hole, the bolt hole has been seted up on the upper limb listrium, the connecting piece includes screw rod (4), upper nut (5) and lower nut (6), the mounting hole of crossbeam (1) and the bolt hole of upper limb listrium penetrate screw rod (4) and fasten through upper nut (5) and lower nut (6).
3. The bracket system for the cast-in-place flange plate of the I-shaped steel-concrete composite beam as claimed in claim 2, wherein:
one end, far away from the I-shaped steel (8), of the cross beam (1) is vertically provided with a steel sleeve (7), and the vertical steel pipe (10) is connected with the steel sleeve (7) in a plugging mode.
4. The bracket system for the cast-in-place flange plate of the I-shaped steel-concrete composite beam as claimed in claim 2, wherein:
the top of the upper nut (5) and the top of the screw rod (4) are sleeved with PVC pipes (9), and the tops of the PVC pipes (9) are sealed.
5. The bracket system for the cast-in-place flange plate of the I-shaped steel-concrete composite beam as claimed in claim 2, wherein:
the cross beam (1), the upright post (2) and the inclined strut (3) are all made of steel pipe materials with the diameter of 48mm and the wall thickness of 3.5 mm.
6. The bracket system for the cast-in-place flange plate of the I-shaped steel-concrete composite beam as claimed in claim 1, wherein:
the support piece comprises an internal thread pipe (13) and a screw rod (14), the internal thread pipe (13) is connected with a triangular support in a welded mode, the screw rod (14) is connected in the internal thread pipe (13) in a threaded mode, a cushion block (15) is arranged at one end of the screw rod (14), and the cushion block (15) is abutted to a web of the I-shaped steel (8).
7. The bracket system for the cast-in-place flange plate of the I-shaped steel-concrete composite beam as claimed in claim 1, wherein:
the top of A-frame is equipped with many square timber (17), is equipped with fair-faced formwork (18) at many square timber (17) upper berth, one side and the concatenation of upper limb listrium of fair-faced formwork (18), one side that upper limb listrium was kept away from in fair-faced formwork (18) is equipped with side form board (19), side form board (19) and fair-faced formwork (18) fixed connection, be equipped with vaulting pole (20) between side form board (19) and the A-frame, vaulting pole (20) and A-frame fixed connection.
8. The bracket system for the cast-in-place flange plate of the I-shaped steel-concrete composite beam as claimed in claim 7, wherein:
the cross-sectional dimension of the square timber (17) is 200 x 50mm, the thicknesses of the fair-faced formwork (18) and the side formworks (19) are both 15mm, and the fair-faced formwork (18) and the side formworks (19) are used for pouring the concrete flange plate (16).
9. The bracket system for the cast-in-place flange plate of the I-shaped steel-concrete composite beam as claimed in claim 1, wherein:
and the surfaces of the cantilever bracket component and the edge protection component are coated with anti-corrosion paint layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020566180.0U CN212404844U (en) | 2020-04-16 | 2020-04-16 | Bracket system for cast-in-situ flange plate of I-shaped steel-concrete composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020566180.0U CN212404844U (en) | 2020-04-16 | 2020-04-16 | Bracket system for cast-in-situ flange plate of I-shaped steel-concrete composite beam |
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| Publication Number | Publication Date |
|---|---|
| CN212404844U true CN212404844U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020566180.0U Active CN212404844U (en) | 2020-04-16 | 2020-04-16 | Bracket system for cast-in-situ flange plate of I-shaped steel-concrete composite beam |
Country Status (1)
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|---|---|
| CN (1) | CN212404844U (en) |
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2020
- 2020-04-16 CN CN202020566180.0U patent/CN212404844U/en active Active
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