CN118208043A - Accurate positioning device for steel bars of prefabricated panel of steel plate composite beam and application method - Google Patents
Accurate positioning device for steel bars of prefabricated panel of steel plate composite beam and application method Download PDFInfo
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- CN118208043A CN118208043A CN202311871543.6A CN202311871543A CN118208043A CN 118208043 A CN118208043 A CN 118208043A CN 202311871543 A CN202311871543 A CN 202311871543A CN 118208043 A CN118208043 A CN 118208043A
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- steel bars
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- composite beam
- prefabricated panel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 181
- 239000010959 steel Substances 0.000 title claims abstract description 181
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 16
- 238000009434 installation Methods 0.000 description 11
- 244000126211 Hericium coralloides Species 0.000 description 5
- 238000011900 installation process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of bridge steel plate composite beam construction, and particularly relates to a steel plate composite beam prefabricated panel steel bar accurate positioning device and a using method. The technical proposal is as follows: the utility model provides a prefabricated panel reinforcing bar accurate positioning device of steel sheet composite beam, includes the bed-jig, is provided with two piece at least vertical reinforcing bar location broach boards on the bed-jig, is provided with a plurality of flutings on the vertical reinforcing bar location broach board, is provided with a plurality of horizontal reinforcing bar locating plates in the bed-jig, is provided with a plurality of constant head tanks on the horizontal reinforcing bar locating plate, still is connected with the shear force nail simulator in the bed-jig. The invention provides a device for accurately positioning steel bars of a prefabricated panel of a steel plate composite beam and a using method.
Description
Technical Field
The invention belongs to the technical field of bridge steel plate composite beam construction, and particularly relates to a steel plate composite beam prefabricated panel steel bar accurate positioning device and a using method.
Background
With the progress of social technology and the development of bridge industry, the steel plate composite beam has become a development trend due to simple structure, strong durability and higher bending strength and bearing capacity. The steel plate composite beam is composed of a steel beam and a concrete bridge deck, wherein the concrete bridge deck is generally prefabricated in a processing field, transported to the site for installation and connected with shear nails on the steel beam to form an integral structure. In the installation process, the phenomenon that steel bars on the concrete bridge deck and shear nails on steel beams collide and interfere often occurs, so that the bridge deck cannot be installed smoothly, and the construction progress and quality are affected.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a steel plate composite beam precast panel steel bar accurate positioning device and a using method.
The technical scheme adopted by the invention is as follows:
The utility model provides a prefabricated panel reinforcing bar accurate positioning device of steel sheet composite beam, includes the bed-jig, is provided with two piece at least vertical reinforcing bar location broach boards on the bed-jig, is provided with a plurality of flutings on the vertical reinforcing bar location broach board, is provided with a plurality of horizontal reinforcing bar locating plates in the bed-jig, is provided with a plurality of constant head tanks on the horizontal reinforcing bar locating plate, still is connected with the shear force nail simulator in the bed-jig.
The longitudinal steel bar positioning comb plate provided by the invention has the advantages that the longitudinal steel bars are positioned by the grooves on the longitudinal steel bar positioning comb plate, the transverse steel bars are positioned by the positioning grooves on the transverse steel bar positioning plate, the transverse steel bars and the longitudinal steel bars can be limited by the shear nail simulator, the transverse steel bars and the longitudinal steel bars are ensured to be positioned accurately, and the condition that the steel bars collide with the shear nails in the later installation period is effectively avoided. By using the accurate positioning device for the steel bars, the installation position of the steel bars is not required to be measured, the construction efficiency can be greatly improved, the construction progress can be accelerated, and the construction quality can be ensured.
As the preferable scheme of the invention, the width of the grooves on the longitudinal steel bar positioning comb plate is larger than the diameter of the steel bars, so that the longitudinal steel bars can be conveniently placed into the grooves.
As a preferable scheme of the invention, the jig frame is provided with a longitudinal steel bar limiting plate, and the longitudinal steel bar limiting plate is positioned at the longitudinal edge of the jig frame. The longitudinal steel bar limiting plate can limit a plurality of longitudinal steel bars, so that the end parts of all the longitudinal steel bars are flush, and the integral installation linearity of the longitudinal steel bars is effectively ensured.
As the preferable scheme of the invention, the number of the longitudinal steel bar positioning comb tooth plates is two, the two longitudinal steel bar positioning comb tooth plates are respectively arranged at the front side and the rear side of the jig frame, and the longitudinal steel bar limiting plate is arranged at the outer side of one longitudinal steel bar positioning comb tooth plate. The two longitudinal steel bar positioning comb tooth plates respectively and accurately position the two ends of the longitudinal steel bars, so that the accuracy of each position of a single steel bar is ensured.
As a preferable scheme of the invention, the clamping jig is provided with the end-sealing die for limiting the transverse reinforcing steel bars, and the end-sealing die is positioned at the transverse edge of the clamping jig. The end sealing die can limit the transverse reinforcing steel bars, so that the end parallel and level of the transverse reinforcing steel bars is guaranteed, and the integral installation linearity of the transverse reinforcing steel bars is guaranteed.
As a preferable scheme of the invention, the shear pin simulator is connected with the jig frame through bolts, so that the shear pin simulator is convenient to assemble and disassemble.
As a preferable scheme of the invention, the shear pin simulator is made of a plurality of steel pipes.
As a preferred scheme of the invention, the diameter of the steel tube on the manager Ding Moni device is larger than the diameter of the outer cap of the shear pin.
The application method of the steel bar accurate positioning device for the prefabricated panel of the steel plate composite beam comprises the following steps:
A shear pin simulator is arranged on the tire frame;
positioning by a longitudinal steel bar positioning comb plate, a transverse steel bar positioning plate and a shear pin simulator, and installing steel bars;
And after binding the steel bars, hanging the whole steel bars into a die.
As a preferable scheme of the invention, when the steel bars are installed, the transverse steel bars pass through the shear pin simulator and are placed in the positioning grooves of the transverse steel bar positioning plates, and the longitudinal steel bars pass through the shear pin simulator and are placed in the grooves of the longitudinal steel bar positioning comb plate.
The beneficial effects of the invention are as follows:
1. The longitudinal steel bar positioning comb plate provided by the invention has the advantages that the longitudinal steel bars are positioned by the grooves on the longitudinal steel bar positioning comb plate, the transverse steel bars are positioned by the positioning grooves on the transverse steel bar positioning plate, the transverse steel bars and the longitudinal steel bars can be limited by the shear nail simulator, the transverse steel bars and the longitudinal steel bars are ensured to be positioned accurately, and the condition that the steel bars collide with the shear nails in the later installation period is effectively avoided.
2. By using the accurate positioning device for the steel bars, the installation position of the steel bars is not required to be measured, the construction efficiency can be greatly improved, the construction progress can be accelerated, and the construction quality can be ensured.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a front view of a longitudinal rebar positioning comb plate;
Fig. 4 is a flow chart of the method of the present invention.
In the figure: 1-a jig frame; 2-longitudinal steel bar positioning comb plates; 3-a transverse steel bar positioning plate; 4-shear pin simulators; 5-longitudinal steel bar limiting plates; 6-end-capping mold; 21-slotting; 31-positioning groove.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
As shown in fig. 1 to 3, the accurate positioning device for steel bars of the prefabricated panel of the steel plate composite beam of the embodiment comprises a jig frame 1, wherein at least two longitudinal steel bar positioning comb plates 2 are arranged on the jig frame 1, a plurality of grooves 21 are formed in the longitudinal steel bar positioning comb plates 2, a plurality of transverse steel bar positioning plates 3 are arranged in the jig frame 1, a plurality of positioning grooves 31 are formed in the transverse steel bar positioning plates 3, and a shear pin simulator 4 is further connected in the jig frame 1. The length of the transverse reinforcing steel bars is longer than that of the longitudinal reinforcing steel bars.
In this embodiment, the number of the longitudinal steel bar positioning comb plates 2 is two, and the two longitudinal steel bar positioning comb plates 2 are respectively arranged at the front side and the rear side of the jig frame 1, and the longitudinal steel bar positioning comb plates 2 are transversely arranged. The number of the transverse steel bar positioning plates 3 is eight, the eight transverse steel bar positioning plates 3 are transversely arranged in the jig frame 1, and the transverse steel bar positioning plates 3 are longitudinally arranged. The number of shear pin simulators 4 is four.
The width of the grooves 21 on the longitudinal steel bar positioning comb plate 2 is larger than the diameter of the steel bars, so that the longitudinal steel bars can be conveniently placed into the grooves 21. The jig frame 1 is provided with a longitudinal steel bar limiting plate 5, and the longitudinal steel bar limiting plate 5 is positioned at the longitudinal edge of the jig frame 1. The bridge deck longitudinal steel bars are exposed annular steel bars, after the security of the longitudinal steel bars is finished, a longitudinal steel bar limiting plate 5 made of long angle steel is arranged at the end part of the bridge deck longitudinal steel bars so as to unify the lengths of the exposed steel bars, so that the end parts of all the longitudinal steel bars are flush, and the integral installation linearity of the longitudinal steel bars is effectively ensured. The longitudinal steel bar limiting plate 5 is arranged on the outer side of one longitudinal steel bar positioning comb plate 2. The longitudinal steel bar limiting plate 5 can be fixed with a longitudinal steel bar positioning comb plate 2 or integrally formed. The two longitudinal steel bar positioning comb tooth plates 2 respectively and accurately position the two ends of the longitudinal steel bars, so that the accuracy of each position of a single steel bar is ensured.
The clamping fixture is characterized in that a sealing die 6 for limiting transverse reinforcing steel bars is arranged on the clamping fixture 1, and the sealing die 6 is located at the transverse edge of the clamping fixture 1. The end sealing die 6 can limit the transverse reinforcing steel bars, so that the end parallel and level of the transverse reinforcing steel bars is guaranteed, and the integral installation linearity of the transverse reinforcing steel bars is guaranteed. The left side and the right side of the jig frame 1 are provided with end-sealing dies 6.
The shear pin simulator 4 is connected with the jig frame 1 through bolts, so that the assembly and disassembly are convenient. The shear pin simulator 4 is made of a plurality of steel pipes. The diameter of the steel pipe on the manager Ding Moni device is larger than the diameter of the outer cap of the shear pin. The shear pin simulator 4 is made of steel pipes, the diameter of the shear pin simulator is 43mm and is larger than the diameter of the outer cap of the shear pin (phi 32 mm), the shear pin simulator is arranged at intervals according to a design drawing, and steel plates are arranged at the bottom of the shear pin simulator and are firmly fixed with the jig frame 1 through bolts. The steel bars pass through the shear pin simulators 4, which is equivalent to simulating the shear pins on the steel bars and the later-stage steel beams in advance, and the effect of avoiding the individual conflicted steel bars is achieved through fine adjustment, and the occurrence of collision and interference phenomena in the installation process at the later stage can be effectively avoided through the preset shear pin simulators 4, and meanwhile, the defect of welding after cutting due to the interference of the shear pins in the traditional construction is also overcome.
The longitudinal steel bar positioning comb plate 2 provided by the invention has the advantages that the longitudinal steel bars are positioned by the grooves 21, the transverse steel bars are positioned by the positioning grooves 31 on the transverse steel bar positioning plate 3, the transverse steel bars and the longitudinal steel bars can be limited by the shear nail simulator 4, the transverse steel bars and the longitudinal steel bars are ensured to be accurately positioned, and the collision of the steel bars and the shear nails during the later installation period is effectively avoided. By using the accurate positioning device for the steel bars, the installation position of the steel bars is not required to be measured, the construction efficiency can be greatly improved, the construction progress can be accelerated, and the construction quality can be ensured. The mobile device is simple and convenient, simple to operate, convenient to install and detach, free of environmental and structural influence, and wide in application and popularization range.
As shown in fig. 4, the application method of the steel bar accurate positioning device for the steel plate composite beam precast panel of the embodiment and the steel plate composite beam precast panel construction process comprise the following steps:
S1: preparing construction;
S2: assembling a reinforcing steel bar jig frame 1;
S3: installing a steel bar positioning comb plate;
s4: the shear pin simulator 4 is installed;
S5: manufacturing and installing the steel bars: the transverse steel bars pass through the shear pin simulator 4 and are placed in the positioning grooves 31 of the transverse steel bar positioning plates 3, and the longitudinal steel bars pass through the shear pin simulator 4 and are placed in the grooves 21 of the longitudinal steel bar positioning comb plate 2;
S6: installing a template system; lifting the whole reinforcing steel bar into a mould;
S7: pouring and curing concrete; removing the template;
S8: prestress tensioning and grouting;
s9: lifting and storing bridge decks; installing a steel beam;
S10: lifting and transporting bridge decks;
s11: the bridge deck is matched and installed with the shear nails;
s12: pouring wet joints and shear pin notch concrete;
S13: and (5) finishing the construction.
The invention is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present invention, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present invention, fall within the scope of protection of the present invention.
Claims (10)
1. Accurate positioner of prefabricated panel reinforcing bar of steel sheet combination beam, its characterized in that: including bed-jig (1), be provided with two piece at least longitudinal reinforcement location fishback (2) on bed-jig (1), be provided with a plurality of flutings (21) on longitudinal reinforcement location fishback (2), be provided with a plurality of horizontal reinforcing bar locating plate (3) in bed-jig (1), be provided with a plurality of constant head tank (31) on horizontal reinforcing bar locating plate (3), still be connected with shear force nail simulator (4) in bed-jig (1).
2. The accurate positioning device for steel bars of prefabricated panel of steel plate composite beam according to claim 1, wherein: the width of the grooves (21) on the longitudinal steel bar positioning comb plate (2) is larger than the diameter of the steel bars.
3. The accurate positioning device for steel bars of prefabricated panel of steel plate composite beam according to claim 1, wherein: the jig frame (1) is provided with a longitudinal steel bar limiting plate (5), and the longitudinal steel bar limiting plate (5) is positioned at the longitudinal edge of the jig frame (1).
4. A steel plate composite beam prefabricated panel reinforcing bar accurate positioning device according to claim 3, characterized in that: the number of the longitudinal steel bar positioning comb plates (2) is two, the two longitudinal steel bar positioning comb plates (2) are respectively arranged on the front side and the rear side of the jig frame (1), and the longitudinal steel bar limiting plates (5) are arranged on the outer side of one longitudinal steel bar positioning comb plate (2).
5. The accurate positioning device for steel bars of prefabricated panel of steel plate composite beam according to claim 1, wherein: the clamping fixture is characterized in that an end sealing die (6) used for limiting the transverse reinforcing steel bars is arranged on the clamping fixture (1), and the end sealing die (6) is located at the transverse edge of the clamping fixture (1).
6. The accurate positioning device for steel bars of prefabricated panel of steel plate composite beam according to claim 1, wherein: the shear pin simulator (4) is connected with the jig frame (1) through bolts.
7. The accurate positioning device for steel bars of prefabricated panel of steel plate composite beam according to claim 1, wherein: the shear pin simulator (4) is made of a plurality of steel pipes.
8. The accurate positioning device for steel bars of prefabricated panel of steel plate composite beam according to claim 7, wherein: the diameter of the steel pipe on the manager Ding Moni device is larger than the diameter of the outer cap of the shear pin.
9. The use method of the steel plate composite beam prefabricated panel steel bar accurate positioning device, which is characterized in that the steel plate composite beam prefabricated panel steel bar accurate positioning device is used according to any one of claims 1 to 8, and is characterized in that: the method comprises the following steps:
A shear pin simulator (4) is arranged on the jig frame (1);
positioning and installing steel bars through a longitudinal steel bar positioning comb plate (2), a transverse steel bar positioning plate (3) and a shear pin simulator (4);
And after binding the steel bars, hanging the whole steel bars into a die.
10. The method for using the steel bar accurate positioning device for the prefabricated panel of the steel plate composite beam, which is disclosed in claim 9, is characterized in that: when the steel bars are installed, the transverse steel bars pass through the shear pin simulators (4) and are placed in the positioning grooves (31) of the transverse steel bar positioning plates (3), and the longitudinal steel bars pass through the shear pin simulators (4) and are placed in the grooves (21) of the longitudinal steel bar positioning comb plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311871543.6A CN118208043A (en) | 2023-12-28 | 2023-12-28 | Accurate positioning device for steel bars of prefabricated panel of steel plate composite beam and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311871543.6A CN118208043A (en) | 2023-12-28 | 2023-12-28 | Accurate positioning device for steel bars of prefabricated panel of steel plate composite beam and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118208043A true CN118208043A (en) | 2024-06-18 |
Family
ID=91451409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311871543.6A Pending CN118208043A (en) | 2023-12-28 | 2023-12-28 | Accurate positioning device for steel bars of prefabricated panel of steel plate composite beam and application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118208043A (en) |
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2023
- 2023-12-28 CN CN202311871543.6A patent/CN118208043A/en active Pending
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