CN211306737U - Curve prestressed pipeline through hole device - Google Patents
Curve prestressed pipeline through hole device Download PDFInfo
- Publication number
- CN211306737U CN211306737U CN201922482149.9U CN201922482149U CN211306737U CN 211306737 U CN211306737 U CN 211306737U CN 201922482149 U CN201922482149 U CN 201922482149U CN 211306737 U CN211306737 U CN 211306737U
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- hole
- connecting rod
- flexible connecting
- prestressing force
- pipeline
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Abstract
The utility model belongs to the technical field of building engineering, concretely relates to curve prestressing force pipeline through-hole device. The through hole device comprises an impact device, a flexible connecting rod and a through hole drill bit which are sequentially connected, wherein a supporting guide device is sleeved on the flexible connecting rod and is positioned between the impact device and the through hole drill bit, the supporting guide device comprises a supporting part and a guiding part, the diameter of the supporting part is larger than the diameter of a prestressed pipeline, the diameter of the guiding part is smaller than the diameter of the prestressed pipeline, so that the guiding part is sleeved in the prestressed pipeline, the supporting part is positioned outside the prestressed pipeline, a bearing is arranged in the guiding part, and the flexible connecting rod is sleeved in the bearing. The device can be applicable to the through-hole of big curve prestressing force bellows, improves through-hole efficiency, can be fast convenient carry out the through-hole to prefabricated section volume curve section prestressing force pipe, guarantees wearing smoothly of prestressing tendons and restraints.
Description
Technical Field
The utility model belongs to the technical field of building engineering, concretely relates to curve prestressing force pipeline through-hole device.
Background
When the precast-stage beam construction is carried out, the prestressed corrugated pipe needs to be embedded in the steel reinforcement framework in advance, however, the prestressed corrugated pipe is damaged and deformed inevitably in the concrete pouring process, concrete slurry flows into a prestressed pipeline, and the smooth penetration of the prestressed reinforcing steel is influenced, so that the prestressed pipeline needs to be reamed, if the pore is not communicated, the penetration of the prestressed reinforcing steel is influenced, the penetration is not smooth, the grouting quality cannot meet the requirement, and the quality of the bridge can be influenced. The deformation and slurry leakage of the conventional curve prestressed duct cannot be repaired according to the original spatial position, and the beam body must be chiseled, so that the quality of the beam body is influenced, and a large quality hidden danger exists; and the prestressed steel strand has higher rigidity, so that the prestressed steel strand is difficult to pass through the bent position of the corrugated pipe after being picked and chiseled during bundle penetration, and manpower and material resources are wasted.
Disclosure of Invention
The defect and the problem to there is difficult through-hole in present curve prestressing force pipe through-hole, the utility model provides a convenient operation, the through-hole is swift, thorough device, can guarantee that the wearing of bridge curve prestressing force line restraints smoothly, also can guarantee prestressing force pore canal slip casting quality simultaneously, guarantees the through-hole device of bridge self structure safety's prefabricated box girder curve prestressing force pipeline of stub method festival.
The utility model provides a scheme that its technical problem adopted is: the utility model provides a curve prestressing force pipeline through-hole device, includes the percussion device, flexible connecting rod and the through-hole drill bit that connect gradually, and the cover is equipped with the support guider on flexible connecting rod, supports the guider and is located between percussion device and the through-hole drill bit, support guider includes supporting part and guide part, and the supporting part diameter is greater than prestressing force pipeline diameter, and the guide part diameter is less than prestressing force pipeline diameter and makes the guide part suit in prestressing force pipeline, and the supporting part is located outside the prestressing force pipeline, is equipped with the bearing in the guide part, and flexible connecting rod suit is in the bearing.
According to the curve prestressed pipeline through hole device, the connecting seat is welded at the rear end of the through hole drill bit, the connecting head is welded at the front end of the flexible connecting rod, and the connecting head is in threaded connection with the connecting seat; the rear end of the flexible connecting rod is fixedly welded with a connecting sleeve, the front end of the impact device is fixedly connected with a fixed seat, and the connecting sleeve is in threaded connection with the fixed seat.
The curve prestressed pipeline through-hole device is characterized in that the flexible connecting rod is further sleeved with a sliding sleeve, the sliding sleeve is sleeved with an anti-skidding rubber sleeve, and the sliding sleeve is located between the connecting sleeve and the supporting and guiding device.
Foretell curve prestressing force pipeline through-hole device, the both ends of sliding sleeve are equipped with the fender ring that the diameter is greater than the sliding sleeve, keep off ring and sliding sleeve body coupling.
According to the curve prestressed pipeline through hole device, the end part of one end, located in the prestressed pipeline, of the guide part is provided with the embedded groove sunken into the guide part, and the bearing is clamped in the embedded groove.
In the curve prestressed pipeline through hole device, the flexible connecting rod is a steel strand.
The utility model has the advantages that: the through hole device of the curve prestressed pipeline of the utility model can control the pipe orifice of the flexible connecting rod through the supporting and guiding effects of the supporting and guiding device, and effectively control the advancing direction of the through hole drill bit; the through hole work of the pre-fabricated section quantity curve section pre-stressed pipe can be completed quickly and conveniently by utilizing the impact device and the through hole device; the steel strand with large plasticity is used as the flexible connecting rod, so that the flexible connecting rod can be suitable for the through hole of the large-curve prestressed corrugated pipe, the efficiency of the through hole is improved, smooth penetration of prestressed tendons can be guaranteed, and the grouting quality and the structural safety of a bridge are also guaranteed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the flexible connecting rod of the present invention.
Fig. 3 is a sectional view of the support guide of fig. 1.
Fig. 4 is a schematic view of the structure a-a in fig. 3.
FIG. 5 is a schematic sectional view showing the structure of a support guide according to example 2.
Reference numbers in the figures: 1 is an impact device, 2 is a connecting sleeve, 3 is a flexible connecting rod, 4 is a through hole drill bit, 5 is a supporting guide device, 51 is a supporting part, 52 is a guide part, 6 is a fixed seat, 7 is a connecting seat, 8 is an auxiliary handle, 9 is a bearing, 10 is a sliding sleeve and 11 is a connecting head.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1: aiming at the problems that the prestressed duct of the sectional beam at the curve section is deformed and slurry leakage cannot be repaired according to the original spatial position and the through hole is inconvenient, the embodiment provides the through hole device suitable for the curve prestressed pipeline of the sectional precast box beam by the short-line method, for the convenience of understanding, the advancing direction of a through hole drill is taken as the front end, as shown in fig. 1-4, the through hole device comprises an impact device 1, a flexible connecting rod 3 and a through hole drill 4, wherein the impact device is an electric hammer, the flexible connecting rod is a steel strand with higher plasticity, an auxiliary handle 8 convenient for force application is arranged at the front end of the impact device 1, and a fixed seat 6 is welded and fixed at the front end of the auxiliary handle; one end of the flexible connecting rod 3 is welded and fixed with the fixed seat, and the other end of the flexible connecting rod is welded and fixed with the through hole drill bit 4; in addition, a supporting and guiding device 5 is sleeved on the flexible connecting rod 3, the supporting and guiding device 5 comprises a supporting part 51 and a guiding part 52, wherein the diameter of the supporting part 51 is larger than that of the prestressed pipeline, the diameter of the guiding part is smaller than that of the prestressed pipeline, so that the guiding part 52 is sleeved in the prestressed pipeline, and the supporting part 51 is positioned outside the prestressed pipeline; in order to guide the flexible connecting rod 3, an embedding groove which is sunken into the guide part is arranged at the end part of one end of the guide part, which is positioned in the prestressed pipeline, a bearing 9 is clamped in the embedding groove, and the flexible connecting rod is sleeved in the bearing. The device is fixedly connected with the two ends of the flexible connecting rod respectively with the fixed seat and the through hole drill bit to form an integrated through hole device.
In order to facilitate disassembly and carrying, as shown in fig. 2, the connecting sleeve 2 can be welded at the rear end of the flexible connecting rod 3, so that the connecting sleeve 2 is in threaded connection with the fixed seat 6; at through-hole drill bit 4's rear end welded connection seat 7, there is connector 11 in the front end welding of flexible connecting rod 3, and connector and connecting seat threaded connection can dismantle the flexible connecting rod and install, are convenient for change the flexible connecting rod of different length, and the suitability is stronger.
This through-hole device is when using, will support guider 5 suit earlier on the flexible link rod, then connect percussion device 1, flexible link rod 3 and through-hole drill bit 4, the back is accomplished in the equipment, put through-hole drill bit 4 in the prestressing force pipeline, will support guider 5 and clamp at the prestressing force pipeline mouth of pipe, start percussion device afterwards, under the support guiding action that supports guider, according to the degree of depth of jam in the prestressing force pipeline impels in to the pipeline, steel strand wires plasticity is great, can adapt to the prestressing force pipeline of different curved sections, thereby realize the through-hole of curved section prestressing force pipeline. The device can carry out quick, thorough through-hole operation to curve section girder segment prestressing force pipeline, guarantees bridge curve prestressing force line's the smooth penetrating beam of restricting, guarantees prestressing force pore canal slip casting quality.
Example 2: the same parts of this embodiment and embodiment 1 are not repeated, but the difference is that, as shown in fig. 5, on the basis of embodiment 1, a sliding sleeve is added, the sliding sleeve is sleeved on the flexible connecting rod and is positioned between the connecting casing and the supporting and guiding device, two ends of the sliding sleeve are provided with retaining rings 12 with diameters larger than that of the sliding sleeve, the retaining rings and the sliding sleeve are integrally welded, the sliding sleeve can slide on the flexible connecting rod, and meanwhile, when the flexible connecting rod is long, the operation of an operator is facilitated; in order to prevent the hand from slipping and enhance the comfort of the hand, an anti-slip rubber sleeve can be sleeved on the sliding sleeve.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement and improvement made within the spirit and principle scope of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a curve prestressing force pipeline through-hole device which characterized in that: including the impact device, flexible connecting rod and the through-hole drill bit that connect gradually, the cover is equipped with the support guider on flexible connecting rod, supports guider and is located between impact device and the through-hole drill bit, support guider includes supporting part and guide part, and the supporting part diameter is greater than prestressing force pipeline diameter, and the guide part diameter is less than prestressing force pipeline diameter and makes the guide part suit in prestressing force pipeline, and the supporting part is located outside the prestressing force pipeline, is equipped with the bearing in the guide part, and flexible connecting rod suit is in the bearing.
2. The curvilinear prestressed pipe through-hole device according to claim 1, characterized in that: the rear end of the through hole drill bit is welded with a connecting seat, the front end of the flexible connecting rod is welded with a connecting head, and the connecting head is in threaded connection with the connecting seat; the rear end of the flexible connecting rod is fixedly welded with a connecting sleeve, the front end of the impact device is fixedly connected with a fixed seat, and the connecting sleeve is in threaded connection with the fixed seat.
3. The curvilinear prestressed pipe through-hole device according to claim 1, characterized in that: the flexible connecting rod is further sleeved with a sliding sleeve, the sliding sleeve is sleeved with an anti-skidding rubber sleeve, and the sliding sleeve is located between the connecting sleeve and the supporting and guiding device.
4. The curvilinear prestressed pipe through-hole device according to claim 3, characterized in that: and two ends of the sliding sleeve are provided with baffle rings with diameters larger than that of the sliding sleeve, and the baffle rings are integrally connected with the sliding sleeve.
5. The curvilinear prestressed pipe through-hole device according to claim 1, characterized in that: and an embedding groove which is sunken into the guide part is arranged at the end part of one end of the guide part in the prestressed pipeline, and the bearing is clamped in the embedding groove.
6. The curvilinear prestressed pipe through-hole device according to claim 1, characterized in that: the flexible connecting rod is a steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922482149.9U CN211306737U (en) | 2019-12-31 | 2019-12-31 | Curve prestressed pipeline through hole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922482149.9U CN211306737U (en) | 2019-12-31 | 2019-12-31 | Curve prestressed pipeline through hole device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211306737U true CN211306737U (en) | 2020-08-21 |
Family
ID=72055902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922482149.9U Expired - Fee Related CN211306737U (en) | 2019-12-31 | 2019-12-31 | Curve prestressed pipeline through hole device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211306737U (en) |
-
2019
- 2019-12-31 CN CN201922482149.9U patent/CN211306737U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 Termination date: 20201231 |