CN211473435U - Straight-line-section prestressed pipeline through hole device - Google Patents
Straight-line-section prestressed pipeline through hole device Download PDFInfo
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- CN211473435U CN211473435U CN201922473739.5U CN201922473739U CN211473435U CN 211473435 U CN211473435 U CN 211473435U CN 201922473739 U CN201922473739 U CN 201922473739U CN 211473435 U CN211473435 U CN 211473435U
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Abstract
The utility model belongs to the technical field of building engineering, concretely relates to prefabricated segment roof beam straightway prestressing force pipeline through-hole device. The through hole device comprises an impact device, a fixed seat, a buffer sleeve, a rigid connecting rod and a through hole drill bit which are connected in sequence, strip-shaped slotted holes are symmetrically formed in the upper part and the lower part of the buffer sleeve, a spring is arranged in the buffer sleeve, one end of the spring is connected with the fixed seat, and the other end of the spring is fixedly connected with the rigid connecting rod; one end of the rigid connecting rod is connected with the through hole drill bit, the other end of the rigid connecting rod is positioned in the buffer sleeve, a blocking key protruding out of the rigid connecting rod is arranged at the upper part and the lower part of one end of the rigid connecting rod positioned in the buffer sleeve, and the blocking key is positioned in the strip-shaped slotted hole. Can accelerate through-hole efficiency, guarantee segment roof beam construction quality.
Description
Technical Field
The utility model belongs to the technical field of building engineering, concretely relates to prefabricated segment roof beam straightway prestressing force pipeline through-hole device.
Background
When carrying out prefabricated segment roof beam construction, need bury the prestressing force bellows in steel skeleton in advance, nevertheless can cause the bellows damage, warp at concrete placement in-process inevitable, will lead to the concrete thick liquid at this moment to flow into in the pipeline, influence the unobstructed of pipeline, so must carry out the reaming to the prestressing force pore canal, otherwise can influence the wearing of prestressing tendons and restraint, form and wear to restraint unsmoothly, the mud jacking quality can not reach the design requirement, and then influence the quality of bridge itself. The conventional method is to cut the section beam in the damaged corrugated pipeline and penetrate the prestressed steel strand, so that the prestressed steel strand generates stress concentration at the position, however, the cut section beam can influence the construction quality of the bridge, the quality problem of insufficient grouting is easily caused, and the stress condition of the prestressed steel strand is changed.
Disclosure of Invention
To damaged deformation of present bellows lead to the pipeline not lead to, influence the defect and the problem of bridge quality, the utility model provides a prefabricated section roof beam straightway prestressing force pipeline through-hole device.
The utility model provides a scheme that its technical problem adopted is: a straight-line segment prestressed pipeline through-hole device comprises an impact device, a fixed seat, a buffer sleeve, a rigid connecting rod and a through-hole drill bit which are sequentially connected, wherein strip-shaped slotted holes are symmetrically formed in the upper part and the lower part of the buffer sleeve, a spring is arranged in the buffer sleeve, one end of the spring is connected with the fixed seat, and the other end of the spring is fixedly connected with the rigid connecting rod; one end of the rigid connecting rod is connected with the through hole drill bit, the other end of the rigid connecting rod is positioned in the buffer sleeve, a blocking key protruding out of the rigid connecting rod is arranged at the upper part and the lower part of one end of the rigid connecting rod positioned in the buffer sleeve, and the blocking key is positioned in the strip-shaped slotted hole.
The straightway prestressed pipeline through-hole device is characterized in that the fixing seat is welded and fixed on the impact device, concave grains are arranged on the inner wall of the fixing seat, and convex grains matched with the concave grains are arranged on the outer wall of one end, connected with the fixing seat, of the buffering sleeve.
The straight-line section prestressed pipeline through-hole device is characterized in that a connecting seat is arranged between a rigid connecting rod and a through-hole drill bit, the connecting seat and the through-hole drill bit are welded and fixed, and the rigid connecting rod is in threaded connection with the connecting seat.
The straight-line segment prestressed pipeline through hole device is characterized in that: the blocking key is perpendicular to the rigid connecting rod.
The utility model has the advantages that: the straight-line segment prestressed pipeline through-hole device can efficiently and thoroughly perform through-hole on a straight-line segment stress pore channel, the arrangement of the buffer sleeve can weaken the acting force on the hands of people, and the discomfort of operators is reduced; the buffer sleeve is in threaded connection with the fixed seat, and the rigid connecting rod is in threaded connection with the through hole drill bit, so that the disassembly is convenient, and the device is suitable for straight sections of sectional beams with different lengths; the method has the advantages of accelerating the speed of the through hole, ensuring the smoothness of the prestressed pipeline, facilitating the smooth penetration of the prestressed tendon, improving the construction efficiency of the penetration of the prefabricated section beam, ensuring the grouting quality of the prestressed duct and further ensuring the self structure safety of the bridge.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the schematic view of the internal structure of the buffering sleeve of the present invention.
Reference numbers in the figures: 1 is an impact device, 2 is a through hole drill, 3 is a buffer sleeve, 4 is a rigid connecting rod, 5 is a strip-shaped slotted hole, 6 is a stop key, 7 is a connecting seat, 8 is a fixed seat, 9 is a spring and 10 is an auxiliary handle.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1: the embodiment provides a through hole device of a prestressed pipeline applied to a straight-line section of a segmental beam, and as shown in fig. 1 and fig. 2, the through hole device comprises an impact device 1, a fixed seat 8, a buffer sleeve 3, a rigid connecting rod 4 and a through hole drill bit 2 which are sequentially connected, wherein the impact device is an electric hammer, and one end of the impact device, which is close to the fixed seat, is provided with an auxiliary handle 10 so as to facilitate the through hole operation of an operator; a fixed seat 8 is fixedly welded at the outer end of the impact device 1, a convex line is arranged on the inner wall of the fixed seat, and a concave line is arranged on the outer wall of one end, connected with the fixed seat, of the buffer sleeve to enable the buffer sleeve 3 to be in threaded connection with the fixed seat 8; strip-shaped slotted holes 5 are symmetrically formed in the upper wall and the lower wall of the buffer sleeve 3 along the axis, one end of a rigid connecting rod 4 is connected with the through hole drill bit 2, the other end of the rigid connecting rod is located in the buffer sleeve 3, blocking keys 6 protruding out of the rigid connecting rod are arranged at the upper part and the lower part of one end of the rigid connecting rod located in the buffer sleeve, the blocking keys are perpendicular to the rigid connecting rod, and the upper blocking keys and the lower blocking keys are respectively correspondingly located in the strip-shaped slotted holes 5 in the upper wall and the; the inside of buffer sleeve 3 is equipped with spring 9, and the one end and the fixing base 8 of spring are connected, other end and rigid connection pole 4 fixed connection.
This through-hole device is applicable to and carries out the through-hole to the prestressed pipe way of alignment segment section roof beam, when using, with the electric hammer, the fixing base, the buffering sleeve, rigid connection pole and through-hole drill bit connect gradually the completion, operating personnel holds hand auxiliary handle and places the through-hole drill bit in the prestressed pipe way, opens the electric hammer and makes the through-hole drill bit begin work and get through the concrete in the prestressed pipe way, treats that the straightway prestressed pipe way is whole to get through the back, penetrates the prestressing tendons to accomplish whole operation. The device can convenient and fast carry out the through-hole, and buffer sleeve's setting both can be connected impact device and rigid connection pole, can effectively reduce the effort to the people hand again, reduces operating personnel's discomfort. The operation is convenient, the through hole speed is accelerated, the strand penetrating efficiency of the prestressed ribs of the prefabricated segmental beam is improved, the grouting quality of the prestressed duct is ensured, and the self structure safety of the bridge is ensured.
Example 2: this embodiment is no longer repeated with the same place of embodiment 1, and the difference lies in, and the through-hole device of this embodiment is equipped with connecting seat 7 between rigid connection pole 4 and through-hole drill bit 2, and connecting seat and through-hole drill bit welded fastening, rigid connection pole and connecting seat threaded connection can dismantle the rigid connection pole get off, are convenient for change, are applicable to and carry out the through-hole to the straightway prestressing force pipeline of different length.
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 (4)
1. The utility model provides a straightway prestressing force pipeline through-hole device which characterized in that: the drilling tool comprises an impact device, a fixed seat, a buffer sleeve, a rigid connecting rod and a through hole drill bit which are sequentially connected, wherein strip-shaped slotted holes are symmetrically formed in the upper part and the lower part of the buffer sleeve, a spring is arranged in the buffer sleeve, one end of the spring is connected with the fixed seat, and the other end of the spring is fixedly connected with the rigid connecting rod; one end of the rigid connecting rod is connected with the through hole drill bit, the other end of the rigid connecting rod is positioned in the buffer sleeve, a blocking key protruding out of the rigid connecting rod is arranged at the upper part and the lower part of one end of the rigid connecting rod positioned in the buffer sleeve, and the blocking key is positioned in the strip-shaped slotted hole.
2. The straight section pre-stressed conduit through-hole apparatus as claimed in claim 1, wherein: the fixing seat is welded and fixed on the impact device, concave grains are arranged on the inner wall of the fixing seat, and convex grains matched with the concave grains are arranged on the outer wall of one end, connected with the fixing seat, of the buffering sleeve.
3. The straight section pre-stressed conduit through-hole apparatus as claimed in claim 1, wherein: and a connecting seat is arranged between the rigid connecting rod and the through hole drill bit, the connecting seat is welded and fixed with the through hole drill bit, and the rigid connecting rod is in threaded connection with the connecting seat.
4. The straight section pre-stressed conduit through-hole apparatus as claimed in claim 1, wherein: the blocking key is perpendicular to the rigid connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473739.5U CN211473435U (en) | 2019-12-31 | 2019-12-31 | Straight-line-section prestressed pipeline through hole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473739.5U CN211473435U (en) | 2019-12-31 | 2019-12-31 | Straight-line-section prestressed pipeline through hole device |
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| Publication Number | Publication Date |
|---|---|
| CN211473435U true CN211473435U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922473739.5U Active CN211473435U (en) | 2019-12-31 | 2019-12-31 | Straight-line-section prestressed pipeline through hole device |
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| CN (1) | CN211473435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323276A (en) * | 2021-07-08 | 2021-08-31 | 威胜利工程有限公司 | Fixed end anchoring assembly and prestress system construction method |
-
2019
- 2019-12-31 CN CN201922473739.5U patent/CN211473435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323276A (en) * | 2021-07-08 | 2021-08-31 | 威胜利工程有限公司 | Fixed end anchoring assembly and prestress system construction method |
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