CN210636822U - Sealing pipe cap for post-tensioned beam plate prestressed pipeline - Google Patents
Sealing pipe cap for post-tensioned beam plate prestressed pipeline Download PDFInfo
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- CN210636822U CN210636822U CN201921378771.9U CN201921378771U CN210636822U CN 210636822 U CN210636822 U CN 210636822U CN 201921378771 U CN201921378771 U CN 201921378771U CN 210636822 U CN210636822 U CN 210636822U
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- rubber plug
- pipe cap
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Abstract
The utility model discloses a sealing pipe cap for post-tensioned beam slab prestressed pipeline, which mainly comprises a pipe cap, a pipe hoop, a rubber plug, an air pipe and a plurality of connecting pieces, wherein, the pipe cap and the pipe hoop are arranged oppositely and connected by the connecting pieces, the rubber plug is positioned between the pipe cap and the pipe hoop and fixedly connected with the pipe cap, and the air pipe sequentially passes through a first air hole on the pipe cap and a second air hole on the rubber plug and is fixedly connected with the pipe cap and the rubber plug; when the corrugated pipe is used, the ports at the two ends of the corrugated pipe are plugged through the two sealing pipe caps, and after the two ends of the corrugated pipe are plugged through the sealing pipe caps, mortar can be prevented from flowing into the corrugated pipe from the ports, so that the subsequent steel strand penetrating is smoothly carried out, and the corrugated pipe can be inflated and pressurized through the air pipe, so that the bearing capacity of the corrugated pipe is improved, the deformation of the corrugated pipe under the action of external force is avoided, in addition, the air tightness of the corrugated pipe can be checked through the detection of the pressure after the corrugated pipe is inflated, and the effect of killing many birds with one stone is achieved.
Description
Technical Field
The utility model discloses a technical field of equipment for civil engineering especially relates to a post-tensioned method roof beam board is sealing tube cap for prestressed pipe.
Background
In the traditional post-tensioning method prestressed beam plate steel strand pulling operation construction, mortar flows into a corrugated pipe from a small hole due to poor sealing of a plastic corrugated pipe, so that the corrugated pipe is partially blocked, and the subsequent steel strand cannot be smoothly pulled through the corrugated pipe.
In order to solve the problem, the technical improvement is carried out in the process construction, one method is to penetrate a steel strand bundle firstly and then pour box girder concrete, but in the period that the concrete is to be strong, the steel strand is easy to rust, and the infiltrated mortar is easy to wrap and solidify the steel strand, so that the stress is uneven when prestress is applied, the steel strand is broken, even the bundle is broken, or the tension force and the elongation value are not consistent. The other method is that after the plastic corrugated pipe is positioned, a round pipe such as a PE pipe is inserted into the corrugated pipe to serve as a pipe weighing, and the pipe pulling-out weighing and the steel strand pulling-in operation are carried out simultaneously, but the method easily causes local mortar to flow into the pipe, so that the phenomenon that the corrugated pipe is necked, even the pipe is clamped and pulled off occurs, and particularly the inverted arch position of the curve section of the pipeline is more prominent.
Therefore, how to develop a new way to effectively solve the above problems is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a post-tensioned prestressing force roof beam board is sealing tube cap for pipeline to at least, when solving among the prior art and carrying out the operation construction of pulling a bundle of post-tensioned prestressing force roof beam board steel strand wires, because the local jam of bellows, can't pierce through the problem smoothly when leading to follow-up steel strand wires to pull a bundle.
The utility model provides a technical scheme specifically does, a post-tensioned beam slab prestressing force is sealed pipe cap for pipeline, and this sealed pipe cap includes: the device comprises a pipe cap, a pipe hoop, a rubber plug, an air pipe and a plurality of connecting pieces;
the outer edge of the pipe cap is provided with first mounting holes at intervals along the circumferential direction, and the pipe cap is provided with first air holes penetrating through two sides;
second mounting holes which are in one-to-one correspondence with the first mounting holes are formed in the outer edge of the pipe hoop at intervals along the circumferential direction;
the end face of one end of the rubber plug is a plane, the end face of the other end of the rubber plug is a convex spherical surface or cylindrical surface, the rubber plug is positioned between the pipe cap and the pipe hoop, the plane end face of the rubber plug is fixedly connected with the pipe cap, the convex spherical surface or cylindrical surface of the rubber plug extends towards the pipe hoop, and a second air hole corresponding to the first air hole is formed in the rubber plug;
one end of the air pipe sequentially penetrates through a first air hole in the pipe cap and a second air hole in the rubber plug, the air pipe is fixedly connected with the pipe cap and the rubber plug, and a valve is mounted at the other end of the air pipe;
the connecting piece with first mounting hole one-to-one on the pipe cap, every the connecting piece all includes: a screw and two nuts;
one end of the screw rod penetrates through a corresponding first mounting hole in the pipe cap, and the other end of the screw rod penetrates through a second mounting hole in the pipe hoop, which corresponds to the first mounting hole;
one nut thread is sleeved outside one end of the screw rod and abuts against the outer side end face of the pipe cap, and the other nut thread is sleeved outside the other end of the screw rod and abuts against the outer side end face of the pipe hoop.
Preferably, a sealing ring is arranged on the inner side wall of the pipe hoop.
Further preferably, the rubber buffer all around the outer fringe set up spacing edge, spacing edge to protruding sphere or cylinder direction extend in the rubber buffer.
Further preferably, spring washers are provided between the nut and the outer end surface of the cap and between the nut and the outer end surface of the ferrule.
The utility model provides a post-tensioned beam slab is sealed pipe cap for prestressed pipe, mainly by pipe cap, ferrule, rubber buffer, trachea and a plurality of connecting pieces constitute, wherein, the pipe cap sets up with the ferrule relatively, and connect through the connecting piece, the rubber buffer is located between pipe cap and the ferrule, with pipe cap fixed connection, the trachea passes first gas pocket on the pipe cap and second gas pocket on the rubber buffer in proper order, with pipe cap and rubber buffer fixed connection; when the sealing pipe cap is used, the ports at the two ends of the corrugated pipe are plugged through the sealing pipe cap, specifically, the pipe cap is fixedly sleeved outside the corrugated pipe through the pipe hoop, the distance between the pipe cap and the pipe hoop is adjusted through screwing the connecting piece, so that the pipe cap and the rubber plug are plugged at the ports of the corrugated pipe, the rubber plug is tightly abutted against the end face of the corrugated pipe, the end part of the air pipe is positioned in the cavity of the corrugated pipe, and plugging is finished. After the two ends of the corrugated pipe are plugged by the sealing pipe cap, mortar can be prevented from flowing into the corrugated pipe from the port, smooth proceeding of subsequent steel strand pulling is ensured, inflation and pressurization can be performed in the corrugated pipe through the air pipe, the pressure bearing capacity of the corrugated pipe is improved, deformation under the action of external force is avoided, in addition, the air tightness inspection of the corrugated pipe can be realized through detection of the pressure after inflation in the corrugated pipe, and the effect of killing multiple birds with one stone is achieved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a sealing pipe cap for a post-tensioned beam slab prestressed pipeline according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a pipe cap side in a sealing pipe cap for a post-tensioned beam slab prestressed pipeline according to an embodiment of the present disclosure;
fig. 3 is a schematic structural view of a pipe hoop side in a sealing pipe cap for a post-tensioned beam slab prestressed pipeline according to an embodiment of the present disclosure;
fig. 4 is a schematic usage view of a sealing pipe cap for a post-tensioned beam slab prestressed pipeline according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
In order to solve the problem that the subsequent steel strand cannot smoothly penetrate due to partial blockage of a corrugated pipe during the strand penetrating operation construction of the post-tensioned prestressed beam plate in the prior art, the embodiment provides a sealing pipe cap for a post-tensioned beam plate prestressed pipeline, which mainly comprises a pipe cap 1, a pipe hoop 2, a rubber plug 3, an air pipe 4 and a plurality of connecting pieces 5, as shown in fig. 1 to 3, wherein first mounting holes 11 are circumferentially arranged at intervals on the outer edge of the pipe cap 1, first air holes 12 penetrating through two sides are arranged on the pipe cap 1, second mounting holes 21 corresponding to the first mounting holes 11 one by one are circumferentially arranged at intervals on the outer edge of the pipe hoop 2, one end face of the rubber plug 3 is a plane, the other end face is a convex spherical surface or a cylindrical surface, the rubber plug 3 is positioned between the pipe cap 1 and the pipe hoop 2, and the planar end face of the rubber plug 3 is fixedly connected with the pipe cap 1, the convex spherical surface or cylindrical surface of the rubber plug 3 extends towards the direction of the pipe hoop 2, a second air hole 31 corresponding to the first air hole 12 is arranged on the rubber plug 3, one end part of the air pipe 4 sequentially passes through the first air hole 12 on the pipe cap 1 and the second air hole 31 on the rubber plug 3 and is fixedly connected with the pipe cap 1 and the rubber plug 3, the other end of the air pipe 4 is provided with a valve 41, the connecting pieces 5 correspond to the first mounting holes 11 on the pipe cap 1 one by one, each connecting piece 5 consists of a screw rod 51 and two nuts 52, one end of the screw rod 51 penetrates through the corresponding first mounting hole 11 on the pipe cap 1, the other end of the screw rod 51 penetrates through the second mounting hole 21 on the pipe hoop 2 corresponding to the first mounting hole 11, one nut 52 is sleeved outside one end of the screw rod 51 in a threaded manner and abuts against the end face of the outer side of the pipe cap 1, and the other nut 52 is sleeved outside the other end of the screw rod 51 in a threaded manner and abuts against the end face of the outer side of the pipe hoop 2.
The concrete manufacturing and using method of the sealing pipe cap for the post-tensioned beam slab prestressed pipeline in the embodiment comprises the following steps: firstly, a pipe cap 1 is made of a light alloy material, then a rubber plug is embedded in the pipe cap 1, a pipe hoop 2 and the pipe cap 1 made of the light alloy material are respectively sleeved on a corrugated pipe A and tightly attached to the outer wall of the corrugated pipe, after the pipe cap 1 and the pipe hoop 2 are in place, a screw 51 in a connecting piece 5 is penetrated along a first mounting hole 11 on the pipe cap 1 and a second mounting hole 21 on the pipe hoop 2, nuts 52 are mounted at two ends of the screw 51, the nuts 52 are screwed down by a spanner, the end part of an air pipe 4 is located in a cavity of the corrugated pipe A, after the two ends of the corrugated pipe A are plugged in the above mode, an air valve of the sealed pipe cap at one end of the corrugated pipe A is connected with a pressure pump for inflation and pressurization, a pressure gauge is mounted on the air valve of the sealed pipe cap at the other end of the corrugated pipe. At the moment, because both ends of the corrugated pipe are sealed by the sealing pipe caps, mortar can be effectively prevented from flowing into the corrugated pipe from the port, the smooth threading of the subsequent steel strands is ensured, the bearing capacity of the corrugated pipe can be improved after the corrugated pipe is inflated and pressurized, the corrugated pipe is prevented from deforming under the action of external force, the airtightness inspection is required after the corrugated pipe is constructed, after the sealing pipe caps are used, the tightness of the corrugated pipe can be inspected by observing a pressure gauge through real-time monitoring of pressure, the sealing performance of the corrugated pipe can be inspected instead of a vacuum degree detection method after the corrugated pipe enters a field, whether the plastic corrugated pipe is damaged in the processes of steel bar welding, concrete vibrating and the like can be monitored in the concrete pouring process, and if the plastic corrugated pipe is damaged, measures are timely taken for leakage compensation (if the corrugated pipe is damaged, effective measures are taken for plugging, and air leakage is avoided when the air pressure value, a valve is arranged at the grout overflow hole), a specially-assigned person is arranged to observe the air pressure value of the pressure gauge before the concrete is initially set, and if abnormal pressure is added in time, the effect of achieving multiple purposes is achieved.
In order to improve the firmness of the connection between the pipe clamp 2 and the corrugated pipe, as a modification of the technical solution, a sealing ring 22 is arranged on the inner side wall of the pipe clamp 2 in fig. 1 and 3.
In order to further improve the sealing performance between the rubber plug 3 and the port of the corrugated pipe, as an improvement of the technical scheme, referring to fig. 1, a limiting edge 32 is arranged on the periphery of the rubber plug 3, the limiting edge 32 extends towards the convex spherical surface or cylindrical surface of the rubber plug 3, after the structural design, referring to fig. 4, when the sealing pipe cap is used for plugging the port of the corrugated pipe, the limiting edge 32 is wrapped outside the corrugated pipe, and the convex spherical surface and the convex cylindrical surface are located in the cavity of the corrugated pipe, so that the sealing performance between the sealing edge and the port of the corrugated pipe can be further improved.
In order to improve the firmness of the connection between the pipe cap and the pipe clamp by the connecting piece and further improve the sealing performance of the sealing pipe cap on the corrugated pipe port, as an improvement of the technical scheme, referring to fig. 1, spring pads 6 are arranged between the nut 52 and the outer end face of the pipe cap 1 and between the nut 52 and the outer end face of the pipe clamp 2.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (4)
1. A sealed pipe cap for a post-tensioned beam slab prestressed pipeline is characterized by comprising: the device comprises a pipe cap (1), a pipe hoop (2), a rubber plug (3), an air pipe (4) and a plurality of connecting pieces (5);
the outer edge of the pipe cap (1) is provided with first mounting holes (11) at intervals along the circumferential direction, and the pipe cap (1) is provided with first air holes (12) penetrating through two sides;
second mounting holes (21) which are in one-to-one correspondence with the first mounting holes (11) are formed in the outer edge of the pipe hoop (2) at intervals along the circumferential direction;
the end face of one end of the rubber plug (3) is a plane, the end face of the other end of the rubber plug (3) is a convex spherical surface or a convex cylindrical surface, the rubber plug (3) is positioned between the pipe cap (1) and the pipe hoop (2), the plane end face of the rubber plug (3) is fixedly connected with the pipe cap (1), the convex spherical surface or the convex cylindrical surface of the rubber plug (3) extends towards the direction of the pipe hoop (2), and a second air hole (31) corresponding to the first air hole (12) is formed in the rubber plug (3);
one end of the air pipe (4) sequentially penetrates through a first air hole (12) in the pipe cap (1) and a second air hole (31) in the rubber plug (3), the air pipe (4) is fixedly connected with the pipe cap (1) and the rubber plug (3), and a valve (41) is mounted at the other end of the air pipe (4);
the connecting piece (5) with first mounting hole (11) one-to-one on pipe cap (1), every connecting piece (5) all includes: a screw (51) and two nuts (52);
one end of the screw rod (51) penetrates through a corresponding first mounting hole (11) on the pipe cap (1), and the other end of the screw rod penetrates through a second mounting hole (21) corresponding to the first mounting hole (11) on the pipe hoop (2);
one nut (52) is sleeved outside one end of the screw rod (51) in a threaded mode and abuts against the outer end face of the pipe cap (1), and the other nut (52) is sleeved outside the other end of the screw rod (51) in a threaded mode and abuts against the outer end face of the pipe hoop (2).
2. The sealing cap for post-tensioned beam slab prestressed pipes as claimed in claim 1, characterized in that a sealing ring (22) is provided on the inner side wall of said pipe clamp (2).
3. The sealing pipe cap for the post-tensioned beam slab prestressed pipe according to claim 1, characterized in that a limiting edge (32) is arranged on the periphery of the rubber plug (3), and the limiting edge (32) extends towards the convex spherical surface or cylindrical surface in the rubber plug (3).
4. The sealing cap for post-tensioned beam slab prestressed pipes according to claim 1, characterized in that spring washers (6) are provided between the nut (52) and the outboard end face of the cap (1) and between the nut (52) and the outboard end face of the ferrule (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921378771.9U CN210636822U (en) | 2019-08-23 | 2019-08-23 | Sealing pipe cap for post-tensioned beam plate prestressed pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921378771.9U CN210636822U (en) | 2019-08-23 | 2019-08-23 | Sealing pipe cap for post-tensioned beam plate prestressed pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210636822U true CN210636822U (en) | 2020-05-29 |
Family
ID=70800240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921378771.9U Expired - Fee Related CN210636822U (en) | 2019-08-23 | 2019-08-23 | Sealing pipe cap for post-tensioned beam plate prestressed pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210636822U (en) |
-
2019
- 2019-08-23 CN CN201921378771.9U patent/CN210636822U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |