CN212241552U - Multi-functional prefabricated case roof beam reinforcement bed-jig - Google Patents
Multi-functional prefabricated case roof beam reinforcement bed-jig Download PDFInfo
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- CN212241552U CN212241552U CN202020711142.XU CN202020711142U CN212241552U CN 212241552 U CN212241552 U CN 212241552U CN 202020711142 U CN202020711142 U CN 202020711142U CN 212241552 U CN212241552 U CN 212241552U
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Abstract
The utility model provides a multi-functional prefabricated box girder roof reinforcement bed-jig, characterized by: respectively welding the two ends of the first longitudinal beam and the second longitudinal beam on the first cross beam and the second cross beam; respectively installing a first supporting leg, a second supporting leg, a third supporting leg and a fourth supporting leg on the bottom surfaces of the left end and the right end of the metal frame; the first bolt locks the first adjusting shaft and the second adjusting shaft in the first metal sleeve and the second metal sleeve respectively; locking the third adjusting shaft and the fourth adjusting shaft in the third metal sleeve and the fourth metal sleeve by using a second bolt; the first comb-tooth-shaped metal plate and the second comb-tooth-shaped metal plate are respectively installed and fixed on the inner side surfaces of the first cross beam and the second cross beam through a third bolt; a third adjusting shaft and a fourth adjusting shaft are provided with scales; vertical rods are welded at one ends of the first adjusting shaft, the second adjusting shaft, the third adjusting shaft and the fourth adjusting shaft; and positioning railings are arranged at the top ends of the first adjusting shaft, the second adjusting shaft, the third adjusting shaft and the fourth adjusting shaft.
Description
Technical Field
The invention relates to the technical field of bridge precast box girder construction, in particular to a multi-kinetic energy precast box girder top plate steel bar binding jig frame.
Background
In the prior art, the length of a prefabricated box girder is about 25-40 m generally, and in order to improve the prefabrication effect, a girder body steel reinforcement cage is divided into a bottom web and a top plate, and the reinforcement is finished by respectively lifting the front part and the back part on different reinforcement clamping beds. But because the overhanging size of different liang type roof pterygoid lamina is different, need constantly hoist the bed-jig according to the overhanging size of flange board when roof reinforcement, current roof reinforcement bed-jig flange board location railing, can't constantly adjust according to the overhanging size of flange board, and need the secondary to set up the hoist after roof reinforcement accomplishes and lift by crane the roof steel reinforcement cage, and simultaneously, the template fishback need be equipped with after the steel reinforcement cage hoist and mount are transferred, operating time is longer, the steel reinforcement cage is yielding, the quality of prefabricated case roof beam has been influenced.
Disclosure of Invention
The invention aims to provide a multi-kinetic energy prefabricated box girder top plate steel bar binding jig frame aiming at the defects of the existing prefabricated girder top plate steel bar jig frame; the binding of the steel bars of the top plate of the box girder is facilitated, and the rapid installation of the steel bar cage of the top plate on the box girder template is realized.
The technical scheme includes that the multi-kinetic energy prefabricated box girder top plate steel bar binding jig comprises comb-tooth-shaped metal plates, positioning rails, longitudinal beams, cross beams, sleeves, supporting legs, supporting frames, fixing bolts, lifting lugs, top plate transverse stirrups, adjusting shafts, vertical rods, positioning scales, inserting pins and top plate steel bar cages.
A many kinetic energy precast box girder roof reinforcement bed-jig, weld into first supporting leg, second supporting leg, third supporting leg, fourth supporting leg with the same square metal sleeve of structure and channel-section steel respectively.
Respectively welding two ends of a first longitudinal beam (channel steel) and a second longitudinal beam (channel steel) to a first cross beam (channel steel) and a second cross beam (channel steel) to form a metal frame; respectively installing a first supporting leg, a second supporting leg, a third supporting leg and a fourth supporting leg which have the same structure on the bottom surfaces of the left end and the right end of the metal frame;
the first adjusting shaft and the second adjusting shaft are respectively inserted into a first metal sleeve and a second metal sleeve welded at the top ends of the first supporting leg and the second supporting leg, and a first bolt is respectively arranged in a screw hole on the first metal sleeve and the second metal sleeve to lock the first adjusting shaft and the second adjusting shaft in the first metal sleeve and the second metal sleeve; respectively inserting a third adjusting shaft and a fourth adjusting shaft into a third metal sleeve and a fourth metal sleeve welded at the upper top ends of the third supporting leg and the fourth supporting leg; and the second bolt is respectively arranged in the screw holes on the third metal sleeve and the fourth metal sleeve to lock the third adjusting shaft and the fourth adjusting shaft in the first metal sleeve and the second metal sleeve.
And third bolts are respectively arranged in screw holes on the first cross beam and the second cross beam, a first comb-tooth-shaped metal plate and a second comb-tooth-shaped metal plate which are identical in structure are respectively fixedly arranged on the inner side surfaces of the first cross beam and the second cross beam, and lifting lugs which are identical in structure are respectively welded on the first comb-tooth-shaped metal plate and the second comb-tooth-shaped metal plate.
And after the positioning scaleplates are used for accurately positioning the steel bar jig for binding the top plate, the third adjusting shaft and the fourth adjusting shaft are locked in the third metal sleeve and the fourth metal sleeve by using second bolts respectively.
Vertical rods with the same structure are welded at one ends of the first adjusting shaft, the second adjusting shaft, the third adjusting shaft and the fourth adjusting shaft; the top ends of the first adjusting shaft and the second adjusting shaft are fixedly provided with a first positioning rail, and the top ends of the third adjusting shaft and the fourth adjusting shaft are fixedly provided with a second positioning rail.
The comb-shaped metal plate is characterized in that uniformly distributed grooves are respectively formed in the first rectangular metal plate and the second rectangular metal plate, pulling seats or nuts with holes are respectively welded on the plate walls at two ends of the first rectangular metal plate and the second rectangular metal plate, bolts are respectively arranged in pulling seat holes corresponding to the right end of the first rectangular metal plate and the left end of the second rectangular metal plate at the right end of the first rectangular metal plate, and the first rectangular metal plate and the second rectangular metal plate which are identical in structure are connected together to form a first comb-shaped metal plate (rectangle); the second rectangular comb-shaped metal plate has the same structure as the first rectangular comb-shaped metal plate.
The comb-shaped metal plate is manufactured into an integral comb-shaped metal plate by processing uniformly distributed grooves on the whole rectangular metal plate according to the length of a binding top plate steel bar jig or by adopting the whole rectangular metal plate.
The invention has the beneficial effects that: the utility model provides a multi-functional prefabricated case roof beam reinforcement bed-jig, can the horizontal stirrup of accurate positioning prefabricated case roof beam to the whole line type of control stirrup, simultaneously, accomplish the reinforcement cage board and prick the back and can wholly once lift by crane the roof reinforcement cage, install fast on the case roof beam template, effectively promoted the site operation efficiency, improved the quality of prefabricated case roof beam, and reduced intensity of labour.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the comb-shaped metal plate of FIG. 1;
fig. 4 is a schematic diagram of a steel reinforcement cage for hoisting a whole roof.
In the figure, 1, a first comb-shaped metal plate, 1', a second comb-shaped metal plate, 2, a first positioning railing, 2', a second positioning railing, 3-1, a first longitudinal beam, 4, a first cross beam, 4', a second cross beam, 5-1, a first sleeve, 5-2, a second sleeve, 5-3, a third sleeve, 5-4, a fourth sleeve, 6-1 supporting legs, 6-2, a second supporting leg, 6-3, a third supporting leg, 6-4, a fourth supporting leg, 7, a first bolt, 7', a second bolt, 8, a third bolt, 9, 10, a top plate longitudinal hoop, 11-1, a first adjusting shaft, 11-2, a second adjusting shaft, 11-3, a third adjusting shaft, 11-4, a fourth adjusting shaft, 12-1, a first vertical rod, 12-2 parts of a second vertical rod, 12-3 parts of a third vertical rod, 12-4 parts of a fourth vertical rod, 13 parts of a positioning scale, 14 parts of a top plate reinforcement cage and 15 parts of a bolt.
Detailed description of the preferred embodiments
In the embodiments of fig. 1, 2, 3 and 4 given in the present invention, the first sleeve 5-1, the second sleeve 5-2, the third sleeve 5-3 and the fourth sleeve 5-4 are first welded to the first support leg 6-1, the second support leg 6-2, the third support leg 6-3 and the fourth support leg 6-4, respectively.
Respectively welding two ends of a first longitudinal beam (channel steel) 3 and a second longitudinal beam (channel steel) 4 'to a first cross beam (channel steel) 4 and a second cross beam (channel steel) 4' to form a metal frame; a first supporting leg 6-1, a second supporting leg 6-2, a third supporting leg 6-3 and a fourth supporting leg 6-4 which are identical in structure are respectively arranged on the bottom surfaces of the left end and the right end of the metal frame.
The first adjusting shaft 11-1 and the second adjusting shaft 11-2 are respectively inserted into a first metal sleeve 5-1 and a second metal sleeve 5-2 welded to the top ends of the first supporting leg 6-1 and the second supporting leg 6-2, the first bolt 7 is respectively installed in screw holes on the first metal sleeve 5-1 and the second metal sleeve 5-2, and the first adjusting shaft 11-1 and the second adjusting shaft 11-2 are locked in the first metal sleeve 5-1 and the second metal sleeve 5-2; respectively inserting a third adjusting shaft 11-3 and a fourth adjusting shaft 11-4 into a third metal sleeve 5-3 and a fourth metal sleeve; and a second bolt 7' is respectively arranged in screw holes on the third metal sleeve 5-3 and the fourth metal sleeve to lock the third adjusting shaft 11-3 and the fourth adjusting shaft 11-4 in the third metal sleeve 5-3 and the fourth metal sleeve.
And the third bolts 8 are respectively arranged in screw holes on the first cross beam 4 and the second cross beam 4', the first comb-tooth-shaped metal plate 1 and the second comb-tooth-shaped metal plate 1' are respectively fixedly arranged on the inner side surfaces of the first cross beam 4 and the second cross beam 4', and lifting lugs 9 with the same structure are respectively welded on the first comb-tooth-shaped metal plate 1 and the second comb-tooth-shaped metal plate 1'.
And positioning scales 13 are arranged on the upper surfaces of the third adjusting shaft 11-3 and the fourth adjusting shaft 11-4, and after the steel bar jig for binding the top plate is accurately positioned by the positioning scales 13, the third adjusting shaft 11-3 and the fourth adjusting shaft 11-4 are locked in the third metal sleeve 5-3 and the fourth metal sleeve 11-4 by using second bolts 7' respectively.
Vertical rods 12 with the same structure are welded at one ends of the first adjusting shaft 11-1, the second adjusting shaft 11-2, the third adjusting shaft 11-3 and the fourth adjusting shaft 11-4; the top ends of the first adjusting shaft 11-1 and the second adjusting shaft 11-2 are fixedly provided with a first positioning rail 2, and the top ends of the third adjusting shaft 11-3 and the fourth adjusting shaft 11-4 are fixedly provided with a second positioning rail 2'.
The comb-shaped metal plate is characterized in that uniformly distributed grooves are respectively formed in a first rectangular metal plate a and a second rectangular metal plate b, pulling seats or nuts with holes are respectively welded on the plate walls at two ends of the first rectangular metal plate a and the second rectangular metal plate b, bolts are respectively arranged in pulling seat holes corresponding to the right end of the first rectangular metal plate a and the left end of the second rectangular metal plate b, and the first rectangular metal plate a and the second rectangular metal plate b which are identical in structure are connected together to form a first comb-shaped metal plate (rectangle) 1; the second rectangular comb-shaped metal plate 1' has the same structure as the first rectangular comb-shaped metal plate 1.
When the length of precast box girder roof reinforcement bed-jig increases, the corresponding increase to first rectangle metal sheet and the rectangular metal sheet block number of second to adapt to the needs of preparation precast box girder roof reinforcement bed-jig.
The comb-shaped metal plate is processed into the grooves which are uniformly distributed on the whole rectangular metal plate according to the length of the binding top plate steel bar jig or the whole rectangular metal plate, and the grooves are made into the integral comb-shaped metal plate.
The construction method comprises the following steps: before binding the top plate steel bars, a steel bar binding jig frame is installed, and the positions of the first positioning railing 2 and the second positioning railing 2' are adjusted by drawing according to the size of a beam; the upper positioning scale 13 of the third adjusting shaft 11-3 and the fourth adjusting shaft 11-4 are used for accurate positioning, and the first adjusting shaft 11-1, the second adjusting shaft 11-2, the third adjusting shaft 11-3 and the fourth adjusting shaft 11-4 are locked in the first metal sleeve 5-1, the second metal sleeve 5-2, the third metal sleeve 5-3 and the fourth metal sleeve 5-4 by the first bolt 7 and the second bolt 7' respectively after the positioning; respectively installing and fixing the first comb-shaped metal plate 1 and the second comb-shaped metal plate 1 'on the inner side walls of the first cross beam 4 and the second cross beam 4' by using a third bolt 8; then respectively installing a transverse stirrup 10 and a longitudinal main reinforcement of the top plate, and forming a top plate reinforcement cage 14 after the assembly is finished; before hoisting, the comb-tooth-shaped metal plate bolts 8 are loosened, the lifting hooks are respectively hung on the lifting lugs 9, and the top plate reinforcement cage 14 is hoisted.
When the top plate reinforcement cage 14 is hung above the prefabricated box girder template, the comb-shaped metal plate is aligned to the position of the comb-shaped metal plate and is placed downwards, so that the first comb-shaped metal plate 1 and the second comb-shaped metal plate 1' enter the clamping grooves of the box girder template, and the clamping grooves of the template are arranged in the same clamping groove of the jig frame and are fastened by bolts.
And when the first comb-shaped metal plate 1 and the second comb-shaped metal plate 1 'are installed on the reinforcement cage binding jig frame again, and the positions of the first positioning railing 2 and the second positioning railing 2' are adjusted, repeating the steps, and finishing the binding of the next roof reinforcement cage.
And after the previous beam is poured, detaching the first comb-tooth-shaped metal plate 1 and the second comb-tooth-shaped metal plate 1' for binding a top plate reinforcement cage of a subsequent beam body.
Claims (2)
1. A multifunctional prefabricated box girder top plate steel bar binding jig comprises a comb-shaped metal plate, a positioning rail, a longitudinal beam, a cross beam, a sleeve, a supporting leg, a traction seat, a bolt, a lifting lug, a top plate transverse stirrup, an adjusting shaft, a vertical rod, a positioning scale, a bolt and a top plate steel bar cage; the method is characterized in that: respectively welding two ends of the first longitudinal beam and the second longitudinal beam on the first cross beam and the second cross beam to form a metal frame; respectively installing a first supporting leg, a second supporting leg, a third supporting leg and a fourth supporting leg which have the same structure on the bottom surfaces of the left end and the right end of the metal frame; the first adjusting shaft and the second adjusting shaft are respectively inserted into a first metal sleeve and a second metal sleeve welded at the top ends of the first supporting leg and the second supporting leg, a first bolt is respectively arranged in a screw hole on the first metal sleeve and the second metal sleeve, and the first adjusting shaft and the second adjusting shaft are locked in the first metal sleeve and the second metal sleeve; inserting a third adjusting shaft and a fourth adjusting shaft into a third metal sleeve and a fourth metal sleeve respectively; the second bolt is respectively arranged in the screw holes on the third metal sleeve and the fourth metal sleeve, and the third adjusting shaft and the fourth adjusting shaft are respectively locked in the third metal sleeve and the fourth metal sleeve; vertical rods with the same structure are welded at one ends of the first adjusting shaft, the second adjusting shaft, the third adjusting shaft and the fourth adjusting shaft; the top ends of the first adjusting shaft and the second adjusting shaft are fixedly provided with a first positioning rail, the top ends of the third adjusting shaft and the fourth adjusting shaft are fixedly provided with a second positioning rail, and the upper surfaces of the third adjusting shaft and the fourth adjusting shaft are provided with positioning scales; and the third bolt is arranged in the screw holes on the first cross beam and the second cross beam, the first comb-tooth-shaped metal plate and the second comb-tooth-shaped metal plate which are identical in structure are respectively installed and fixed on the side walls of the first cross beam and the second cross beam, and lifting lugs which are identical in structure are respectively welded on the first comb-tooth-shaped metal plate and the second comb-tooth-shaped metal plate.
2. The multifunctional precast box girder top plate steel bar binding jig frame as claimed in claim 1, is characterized in that: the comb-shaped metal plate is characterized in that uniformly distributed grooves are respectively formed in the first rectangular metal plate and the second rectangular metal plate, pulling seats or nuts with holes are respectively welded on the plate walls at two ends of the first rectangular metal plate and the second rectangular metal plate, bolts are respectively arranged in pulling seat holes corresponding to the right end of the first rectangular metal plate and the left end of the second rectangular metal plate at the right end of the first rectangular metal plate, and the rectangular metal plate and the second rectangular metal plate which are identical in structure are connected together to form the first comb-shaped metal plate; the second rectangular comb-shaped metal plate has the same structure as the first rectangular comb-shaped metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020711142.XU CN212241552U (en) | 2020-05-02 | 2020-05-02 | Multi-functional prefabricated case roof beam reinforcement bed-jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020711142.XU CN212241552U (en) | 2020-05-02 | 2020-05-02 | Multi-functional prefabricated case roof beam reinforcement bed-jig |
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| Publication Number | Publication Date |
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| CN212241552U true CN212241552U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020711142.XU Active CN212241552U (en) | 2020-05-02 | 2020-05-02 | Multi-functional prefabricated case roof beam reinforcement bed-jig |
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| CN (1) | CN212241552U (en) |
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- 2020-05-02 CN CN202020711142.XU patent/CN212241552U/en active Active
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