CN215051975U - Prefabricated segment beam seepage-proofing working hole structure - Google Patents
Prefabricated segment beam seepage-proofing working hole structure Download PDFInfo
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- CN215051975U CN215051975U CN202120076766.3U CN202120076766U CN215051975U CN 215051975 U CN215051975 U CN 215051975U CN 202120076766 U CN202120076766 U CN 202120076766U CN 215051975 U CN215051975 U CN 215051975U
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- hoisting
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- sleeve
- seepage
- embedded part
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Abstract
The utility model provides a prefabricated segment roof beam prevention of seepage work hole structure, including setting up vertical fastening assembly in advance, the hoisting machine who hoists when built-in fitting I and built-in fitting II, the vertical prestressing force construction on the segment roof beam, built-in fitting I is located the roof and the bottom plate straight section of segment roof beam, built-in fitting II is located segment roof beam roof board chamfer. The utility model discloses regard built-in fitting I as segment beam hoist and mount work hole, built-in fitting II is the vertical pre-tightening assembly work hole of segment beam installation, the whole hole installation of segment beam is accomplished, treat vertical prestressing force construction completion back, suspend in midair the mechanism and vertically in advance after the tightening assembly demolishs adopt concrete strength concrete mortar to stuff the work hole can, reduced risk such as operation phase segment case roof beam percolating water, the durability and the security of segment beam have been improved, the overall structure is simple, the installation is dismantled conveniently, the efficiency of construction is improved.
Description
Technical Field
The utility model relates to a bridge construction technical field, concretely relates to prefabricated segmental beam prevention of seepage work hole structure.
Background
Because of prefabricated section roof beam installation effectiveness is high, domestic section roof beam is in the present position favored, section girder bridge in the past because the through-hole passageway of original design work hole for reserving, at the operation in-process, a large amount of water leakage phenomena appear, lead to section roof beam major structure to take place to frost heaving etc. and influence structural durability and security, influence bridge safety in utilization.
Disclosure of Invention
The utility model provides a prefabricated segment roof beam prevention of seepage work hole structure, simple to operate, durability and security are high.
The technical scheme of the utility model is that: the anti-seepage working hole structure of the prefabricated segmental beam comprises an embedded part I and an embedded part II which are arranged on the segmental beam, a longitudinal pre-fastening assembly during longitudinal pre-stress construction and a hoisting mechanism for hoisting, wherein the embedded part I is positioned on a top plate and a bottom plate straight section of the segmental beam, and the embedded part II is positioned at a chamfer angle of the top plate of the segmental beam.
The scheme is further that the embedded part I comprises a sleeve I and a closing plate I, the closing plate I is arranged in the middle of the sleeve I, and the diameter of the closing plate I is larger than that of the sleeve I.
The scheme is further that the embedded part II comprises a sleeve II and a closing plate II, the closing plate II is arranged at the bottom of the sleeve II, and the diameter of the closing plate II is larger than that of the sleeve II.
The scheme is further, hoisting mechanism includes hoist and mount crossbeam, hoist and mount longeron, hoist and mount subassembly, the hoist and mount crossbeam is along horizontal even setting in the roof top of segment roof beam, the hoist and mount longeron sets up in the top of hoist and mount crossbeam, rather than perpendicular, hoist and mount subassembly is connected hoist and mount longeron, hoist and mount crossbeam and built-in fitting II.
The scheme is further, the hoisting assembly comprises a hoisting screw, a hoisting nut and a hoisting gasket, the bottom of the hoisting screw is sleeved in a sleeve II of the embedded part II, the hoisting nut is fixed at the top of the hoisting screw, and the hoisting gasket is arranged between the hoisting nut and the hoisting longitudinal beam.
The longitudinal pre-tightening component comprises a steel anchor box, a screw, a nut and a gasket, the steel anchor box is arranged above the straight sections of the top plate and the bottom plate of the segmental beam, the screw penetrates through the bottom of the steel anchor box and is connected with a sleeve I on the upper portion of the embedded part I, and the nut and the gasket are arranged on the upper portion of the screw to fix the steel anchor box on the segmental beam.
The utility model has the advantages that: the utility model discloses regard built-in fitting I as segment beam hoist and mount work hole, built-in fitting II is the vertical pre-tightening assembly work hole of segment beam installation, the whole hole installation of segment beam is accomplished, treat vertical prestressing force construction completion back, suspend in midair the mechanism and vertically in advance after the tightening assembly demolishs adopt concrete strength concrete mortar to stuff the work hole can, reduced risk such as operation phase segment case roof beam percolating water, the durability and the security of segment beam have been improved, the overall structure is simple, the installation is dismantled conveniently, the efficiency of construction is improved.
Drawings
FIG. 1 is a schematic structural view of an anti-seepage working hole structure of a prefabricated segmental beam of the present invention;
FIG. 2 is a schematic view of the installation of the longitudinal pre-fastening assembly of the anti-seepage working hole structure of the precast segmental beam of the present invention;
FIG. 3 is a schematic structural view of a longitudinal pre-fastening assembly of the anti-seepage working hole structure of the precast segmental beam of the present invention;
FIG. 4 is a schematic structural view of an embedded part I of the anti-seepage working hole structure of the precast segmental beam of the utility model;
FIG. 5 is a schematic structural view of an embedded part II of the anti-seepage working hole structure of the precast segmental beam of the utility model;
wherein: 1. the section beam comprises a section beam body 2, embedded parts I, 21, sleeves I, 22, closing plates I, 3, embedded parts II, 31, sleeves II, 32, closing plates II, 4, a suspension assembly 5, a hoisting longitudinal beam 6, a hoisting cross beam 7, a longitudinal pre-fastening assembly 71, a steel anchor box 72, a screw rod 73, a nut 74 and a gasket.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
The utility model discloses a concrete implementation mode is: as shown in fig. 1-5, a prefabricated section beam anti-seepage working hole structure comprises an embedded part i 2 and an embedded part ii 3 which are arranged on a section beam 1, a longitudinal pre-fastening assembly 7 during longitudinal pre-stress construction and a hoisting mechanism for hoisting, wherein the embedded part i 2 is arranged on a top plate and a bottom plate straight section of the section beam 1, the embedded part ii 3 is arranged at a chamfer of the top plate of the section beam 1, the embedded part i 2 is used as a hoisting working hole of the section beam 1, the embedded part ii 3 is used as a working hole for installing the longitudinal pre-fastening assembly 7 on the section beam 1, the whole hole of the section beam 1 is installed, after the longitudinal pre-stress construction is completed, the hoisting mechanism and the longitudinal pre-fastening assembly 7 are dismantled, and then concrete strength concrete mortar working holes are adopted, so that risks such as water seepage of a section box beam in a plugging period are reduced.
Further, the embedded part I2 comprises a sleeve I21 and a closing plate I22, the closing plate I22 is arranged in the middle of the sleeve I21, and the diameter of the closing plate I22 is larger than that of the sleeve I21.
Further, the embedded part II 3 comprises a sleeve II 31 and a closing plate II 32, the closing plate II 32 is arranged at the bottom of the sleeve II 31, and the diameter of the closing plate II 32 is larger than that of the sleeve II 31.
Further, hoisting mechanism includes hoist and mount crossbeam 6, hoist and mount longeron 5, hoist and mount subassembly 4, hoist and mount crossbeam 6 is along horizontal even setting in the roof top of segment roof beam 1, hoist and mount longeron 5 sets up in the top of hoist and mount crossbeam 6, rather than perpendicular, hoist and mount subassembly 4 is connected hoist and mount longeron 5, hoist and mount crossbeam 6 and built-in fitting II 3.
Further, the hoisting assembly 4 comprises a hoisting screw, a hoisting nut and a hoisting gasket, the bottom of the hoisting screw is sleeved in the sleeve II 31 of the embedded part II 3, the hoisting nut is fixed at the top of the hoisting screw, and the hoisting gasket is arranged between the hoisting nut and the hoisting longitudinal beam 5.
Further, the longitudinal pre-fastening assembly 7 comprises a steel anchor box 71, a screw 72, a nut 73 and a gasket 74, wherein the steel anchor box 71 is arranged above the straight sections of the top plate and the bottom plate of the segmental beam 1, the screw 72 penetrates through the bottom of the steel anchor box 71 to be connected with a sleeve I21 on the upper portion of the embedded part I2, and the nut 73 and the gasket 74 are arranged on the upper portion of the screw 72 to fix the steel anchor box 71 on the segmental beam 1.
While the preferred embodiments of the present invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention by those skilled in the art without departing from the technical solution of the present invention.
Claims (6)
1. The anti-seepage working hole structure of the prefabricated segmental beam is characterized by comprising an embedded part I and an embedded part II which are arranged on the segmental beam, a longitudinal pre-fastening assembly during longitudinal pre-stress construction and a hoisting mechanism for hoisting, wherein the embedded part I is positioned at a top plate and a bottom plate straight section of the segmental beam, and the embedded part II is positioned at a chamfer angle of a top plate of the segmental beam.
2. The precast segmental beam seepage-proofing working hole structure as claimed in claim 1, wherein the embedded part I comprises a sleeve I and a closing plate I, the closing plate I is arranged in the middle of the sleeve I, and the diameter of the closing plate I is larger than that of the sleeve I.
3. The precast segmental beam seepage-proofing working hole structure as claimed in claim 2, wherein the embedded part II comprises a sleeve II and a closing plate II, the closing plate II is arranged at the bottom of the sleeve II, and the diameter of the closing plate II is larger than that of the sleeve II.
4. The prefabricated segmental beam anti-seepage working hole structure as claimed in claim 3, wherein the hoisting mechanism comprises hoisting cross beams, hoisting longitudinal beams and hoisting assemblies, the hoisting cross beams are transversely and uniformly arranged above the top plate of the segmental beam, the hoisting longitudinal beams are arranged above the hoisting cross beams and are perpendicular to the hoisting cross beams, and the hoisting assemblies are connected with the hoisting longitudinal beams, the hoisting cross beams and the embedded parts II.
5. The precast segmental beam anti-seepage working hole structure as claimed in claim 4, wherein the hoisting assembly comprises a hoisting screw rod, a hoisting nut and a hoisting gasket, the bottom of the hoisting screw rod is sleeved in the sleeve II of the embedded part II, the hoisting nut is fixed at the top of the hoisting screw rod, and the hoisting gasket is arranged between the hoisting nut and the hoisting longitudinal beam.
6. The precast segmental beam seepage-proofing working hole structure as claimed in claim 5, wherein the longitudinal pre-fastening component comprises a steel anchor box, a screw rod, a nut and a gasket, the steel anchor box is arranged above the straight sections of the top plate and the bottom plate of the segmental beam, the screw rod penetrates through the bottom of the steel anchor box and is connected with a sleeve I on the upper portion of the embedded part I, and the nut and the gasket are arranged on the upper portion of the screw rod to fix the steel anchor box on the segmental beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120076766.3U CN215051975U (en) | 2021-01-13 | 2021-01-13 | Prefabricated segment beam seepage-proofing working hole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120076766.3U CN215051975U (en) | 2021-01-13 | 2021-01-13 | Prefabricated segment beam seepage-proofing working hole structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215051975U true CN215051975U (en) | 2021-12-07 |
Family
ID=79250248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120076766.3U Active CN215051975U (en) | 2021-01-13 | 2021-01-13 | Prefabricated segment beam seepage-proofing working hole structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215051975U (en) |
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2021
- 2021-01-13 CN CN202120076766.3U patent/CN215051975U/en active Active
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