CN215888972U - Large-span slow-bonding prestressed beam - Google Patents
Large-span slow-bonding prestressed beam Download PDFInfo
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- CN215888972U CN215888972U CN202121631342.5U CN202121631342U CN215888972U CN 215888972 U CN215888972 U CN 215888972U CN 202121631342 U CN202121631342 U CN 202121631342U CN 215888972 U CN215888972 U CN 215888972U
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- prestressed girder
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Abstract
The utility model relates to a construction field especially relates to a prestressing force roof beam slowly bonds of long span, and its technical scheme is, a prestressing force roof beam slowly bonds of long span, including a plurality of prestressing force beam reinforcing bars, still including setting up bellows, a plurality of setting elements that are used for the location bellows on prestressing force beam reinforcing bar and the supporting component of setting between adjacent setting element, the supporting component includes a plurality of backup pads that are used for supporting the bellows and the regulating part that is used for adjusting the backup pad. This application has the stability that improves the prestressed beam, improves building quality's effect.
Description
Technical Field
The application relates to the field of prestressed beams, in particular to a large-span slow-bonding prestressed beam.
Background
With the continuous development of building construction, a prestressed beam, namely a prestressed concrete beam, is a relatively common construction form of an engineering beam in the building construction process in recent years. The prestressed beam mainly forms rebound extrusion through stretching of the prestressed tendons, so that the concrete is subjected to uniform internal pressure before use, the stress formed by load is offset, and the possibility of crack and deformation of a structural part can be effectively improved.
The existing prestressed beam needs to be bound with prestressed beam reinforcing steel bars in the installation process, the height of a prestressed pore channel is determined on the prestressed beam reinforcing steel bars, support reinforcing steel bars are welded, corrugated pipes are installed, prestressed reinforcing steel bars are penetrated, water draining pipes (namely PVC pipes or metal pipes for draining water in engineering) are arranged, spiral reinforcing steel bars and anchor backing plates are installed at the end parts of the prestressed reinforcing steel bars, templates are installed, and concrete is poured. After the concrete is solidified, prestress tensioning is needed, a jack is used for applying stress to perform tensioning, and redundant steel strands are cut off. Grouting the pore channel, stopping grouting after grout flows out of a water outlet of the bleeding pipe, and finally sealing and protecting the anchor.
In the concrete pouring process, the corrugated pipe can generate position deviation, subsequent grouting is influenced, and the quality of the prestressed beam can be reduced.
SUMMERY OF THE UTILITY MODEL
In order to improve the stability of prestressed girder, improve building quality, this application provides a long span slow bonding prestressed girder.
The application provides a long span slow bonding prestressed beam adopts following technical scheme:
the utility model provides a prestressed beam that slowly bonds of long span, includes a plurality of prestressed beam reinforcing bars, still includes the bellows that sets up on prestressed beam reinforcing bar, a plurality of setting elements that are used for the location bellows and the supporting component of setting between adjacent setting element, the supporting component includes a plurality of backup pads that are used for supporting the bellows and the regulating part that is used for adjusting the backup pad.
Through adopting above-mentioned technical scheme, the setting element is convenient for improve the stability of bellows, and the bellows of being convenient for is fixed a position, and the supporting component is convenient for improve the stability of bellows at the concrete placement in-process, and the regulating part is convenient for adjust the backup pad to the support angle of bellows, is convenient for adjust according to the inclination of bellows, and the backup pad of being convenient for supports the bellows, improves building quality, the stability of very high prestressed beam.
Preferably, the positioning piece comprises a support steel bar, a sleeve sleeved on the support steel bar and a binding steel bar arranged on the sleeve.
Through adopting above-mentioned technical scheme, the brace bar is convenient for support the bellows, and sleeve pipe and ligature reinforcing bar are convenient for fix the stability on prestressed beam reinforcing bar with the brace bar.
Preferably, the supporting component further comprises a limiting plate for positioning the corrugated pipe if the limiting plate is arranged on the supporting plate, and a limiting groove for bearing the corrugated pipe is formed in the limiting plate.
Through adopting above-mentioned technical scheme, the limiting plate is convenient for fix a position the bellows, and the spacing groove is convenient for carry on spacingly to the bellows, is convenient for improve the stability of bellows at the concrete placement in-process, is convenient for follow-up pouring concrete in the bellows.
Preferably, the support plate is provided with a plurality of permeation holes.
Through adopting above-mentioned technical scheme, the concrete of being convenient for is pour in a plurality of infiltration holes of seting up in the backup pad, improves the pouring quality of prestressed beam.
Preferably, the adjusting part comprises a plurality of adjusting rods and supporting rods, the adjusting rods are arranged at the bottom of the supporting plate, a first rotating shaft is arranged at one end of each adjusting rod, and mounting lugs for mounting the first rotating shaft are arranged on the bottom surface of the supporting plate.
Through adopting above-mentioned technical scheme, adjust pole and bracing piece and be convenient for adjust the support angle of backup pad, pivot one is convenient for adjust the pole and is rotated with the backup pad and be connected, is convenient for improve the stability of regulating part, and the backup pad after the regulation pole of being convenient for supports the slope.
Preferably, the support rod comprises a telescopic part and a right angle part, and the right angle part is provided with a notch.
Through adopting above-mentioned technical scheme, the telescopic part bracing piece of being convenient for is adjusted with adjusting the pole, and the breach on the right angle portion is convenient for fix a position the prestressed beam reinforcing bar.
Preferably, the telescopic part is provided with a positioning groove along the length direction, and the adjusting rod is provided with a positioning rod positioned in the positioning groove.
Through adopting above-mentioned technical scheme, constant head tank and locating lever are convenient for adjust the bracing piece and adjust the whole length of pole, are convenient for adjust the inclination of backup pad, and the backup pad of being convenient for carries out better support to the bellows, improves the stability of bellows.
Preferably, the cross-section of constant head tank is T shape, be equipped with the screw hole on the locating lever, the locating lever passes through the bolt fastening on the bracing piece.
Through adopting above-mentioned technical scheme, the screw hole is convenient for the locating lever to pass through the bolt fastening on the bracing piece, is convenient for improve the stability of bracing piece and locating lever.
To sum up, the setting element is convenient for improve the stability of bellows, and supporting component is convenient for support the bellows, is convenient for improve the stability of bellows in concrete placement process, improves the efficiency of construction of building, improves building strength.
Drawings
FIG. 1 is a schematic structural diagram of a large-span slow-bonding prestressed girder according to the present application;
fig. 2 is a schematic structural view of the positioning member and the support assembly of the present application.
Description of reference numerals: 1. prestressed beam reinforcing steel bars; 2. a bellows; 3. a positioning member; 31. supporting the reinforcing steel bars; 32. a sleeve; 33. binding steel bars; 4. a support assembly; 41. a support plate; 411. mounting lugs; 42. an adjustment member; 421. adjusting a rod; 4211. a first rotating shaft; 422. a support bar; 4221. a telescopic part; 4222. a right angle portion; 43. a limiting plate; 431. a limiting groove; 5. a notch; 6. positioning a groove; 7. positioning a rod; 8. a threaded bore.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a large-span slow-bonding prestressed beam. Referring to fig. 1 and 2, the corrugated pipe support comprises a plurality of prestressed beam reinforcements 1 bound to each other, a corrugated pipe 2 penetrating between the prestressed beam reinforcements 1, a positioning member 3 for positioning the position of the corrugated pipe 2, and a support assembly 4 for supporting the corrugated pipe 2. The positioning member 3 includes a support bar 31 for supporting the corrugated tube 2, a sleeve 32 sleeved on the support bar 31, and a tie bar 33 disposed on the sleeve 32, wherein the sleeve 32 is tied to the prestressed beam bar 1 by the tie bar 33, and the support bar 31 and the prestressed beam bar 1 are fixed.
Referring to fig. 1 and 2, the support assembly 4 includes a support plate 41 for supporting the corrugated tube 2, a limit plate 43 disposed on a top surface of the support plate 41, and an adjusting member 42 for adjusting the support plate 41, wherein the limit plate 43 is opened with a limit groove 431 for installing the corrugated tube 2 along a length direction of the corrugated tube 2. A plurality of penetration holes are formed in the supporting plate 41, and the penetration holes facilitate penetration of later-stage concrete. The adjusting member 42 comprises an adjusting rod 421 and a supporting rod 422 which are arranged on the bottom surface of the supporting plate 41, a first rotating shaft 4211 is fixed at the upper end of the adjusting rod 421, a mounting ear 411 for mounting the first rotating shaft 4211 is fixed on the bottom surface of the supporting plate 41, and the adjusting rod 421 is rotatably connected with the supporting plate 41 through the first rotating shaft 4211. The support rod 422 comprises a telescopic part 4221 and a right-angle part 4222, the telescopic part 4221 is provided with a positioning groove 6 along the length direction, a positioning rod 7 positioned in the positioning groove 6 is fixed on the adjusting rod 421, and the positioning rod 7 moves up and down in the positioning groove 6. Threaded holes 8 are formed in the positioning rod 7, and the positioning rod 7 is fixed to the supporting rod 422 through bolts. The supporting component 4 is provided with two sets of supporting plates 41 which are respectively located at two ends of the supporting plate, so that the inclination angle of the supporting plate 41 can be adjusted conveniently, and the supporting plate 41 can support the corrugated pipe 2 conveniently. The right angle portion 4222 is provided with a notch 5, and the notch 5 is arc-shaped, so that the support rod 422 and the prestressed beam steel bar 1 can be conveniently positioned.
The implementation principle of the large-span slow-bonding prestressed beam in the embodiment of the application is as follows: binding a plurality of prestressed beam reinforcing steel bars 1, and determining the installation position of the corrugated pipe 2 by using a plurality of supporting reinforcing steel bars 31. After the corrugated pipe 2 is installed, the bolt is loosened, the position of the positioning rod 7 in the positioning groove 6 is adjusted, and the inclination angle of the supporting plate 41 is adjusted to the inclination angle of the corrugated pipe 2. The corrugated pipe 2 is placed in the limiting groove 431 for limiting, and the stability of the corrugated pipe 2 is improved. Utilize breach 5 with the 4 butt of supporting component on prestressed beam reinforcing bar 1 simultaneously, also can weld bracing piece 422 on prestressed beam reinforcing bar 1, improve supporting component 4's stability simultaneously. After the corrugated tube 2 is stabilized, the concrete can be infiltrated downward from the penetration holes of the support plate 41 when the concrete is poured. Effectively improve bellows 2's stability, improve the intensity of prestressed beam, the staff of being convenient for is under construction, improves the efficiency of construction.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a prestressed girder slowly bonds of long span, includes a plurality of prestressed girder reinforcing bars (1), its characterized in that: still including bellows (2), a plurality of setting element (3) that are used for location bellows (2) and the supporting component (4) of setting between adjacent setting element (3) of setting on prestressing force beam reinforcement (1), supporting component (4) include a plurality of backup pads (41) that are used for supporting bellows (2) and regulating part (42) that are used for adjusting backup pad (41), a plurality of infiltration holes have been seted up on backup pad (41).
2. The large-span slow-bonding prestressed girder according to claim 1, wherein: the positioning piece (3) comprises a support steel bar (31), a sleeve (32) sleeved on the support steel bar (31) and a binding steel bar (33) arranged on the sleeve (32).
3. The large-span slow-bonding prestressed girder according to claim 1, wherein: the supporting component (4) further comprises a limiting plate (43) which is arranged on the supporting plate (41) and used for positioning the corrugated pipe (2), and a limiting groove (431) used for bearing the corrugated pipe (2) is formed in the limiting plate (43).
4. The large-span slow-bonding prestressed girder according to claim 1, wherein: the adjusting piece (42) comprises a plurality of adjusting rods (421) and supporting rods (422) which are arranged at the bottom of the supporting plate (41), one end of each adjusting rod (421) is provided with a first rotating shaft (4211), and the bottom surface of the supporting plate (41) is provided with a mounting lug (411) for mounting the first rotating shaft (4211).
5. The large-span slow-bonding prestressed girder according to claim 4, wherein: the support rod (422) comprises a telescopic part (4221) and a right-angle part (4222), and a notch (5) is formed in the right-angle part (4222).
6. The large-span slow-bonding prestressed girder according to claim 5, wherein: the telescopic part (4221) is provided with a positioning groove (6) along the length direction, and the adjusting rod (421) is provided with a positioning rod (7) positioned in the positioning groove (6).
7. The large-span slow-bonding prestressed girder according to claim 6, wherein: the cross-section of constant head tank (6) is T shape, be equipped with screw hole (8) on locating lever (7), locating lever (7) are through the bolt fastening on bracing piece (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121631342.5U CN215888972U (en) | 2021-07-16 | 2021-07-16 | Large-span slow-bonding prestressed beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121631342.5U CN215888972U (en) | 2021-07-16 | 2021-07-16 | Large-span slow-bonding prestressed beam |
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| Publication Number | Publication Date |
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| CN215888972U true CN215888972U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121631342.5U Active CN215888972U (en) | 2021-07-16 | 2021-07-16 | Large-span slow-bonding prestressed beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876126A (en) * | 2022-06-27 | 2022-08-09 | 中冶建工集团有限公司 | Prestressed beam corrugated pipe fixing device and construction method |
| CN117569445A (en) * | 2024-01-15 | 2024-02-20 | 北京市建筑工程研究院有限责任公司 | Super-long seamless slow-bonding prestressed concrete structure and construction method |
-
2021
- 2021-07-16 CN CN202121631342.5U patent/CN215888972U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876126A (en) * | 2022-06-27 | 2022-08-09 | 中冶建工集团有限公司 | Prestressed beam corrugated pipe fixing device and construction method |
| CN117569445A (en) * | 2024-01-15 | 2024-02-20 | 北京市建筑工程研究院有限责任公司 | Super-long seamless slow-bonding prestressed concrete structure and construction method |
| CN117569445B (en) * | 2024-01-15 | 2024-03-29 | 北京市建筑工程研究院有限责任公司 | Super-long seamless slow-bonding prestressed concrete structure and construction method |
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