CN216074727U - Prestressed pipeline joint connecting device - Google Patents
Prestressed pipeline joint connecting device Download PDFInfo
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- CN216074727U CN216074727U CN202122629310.8U CN202122629310U CN216074727U CN 216074727 U CN216074727 U CN 216074727U CN 202122629310 U CN202122629310 U CN 202122629310U CN 216074727 U CN216074727 U CN 216074727U
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- pipe body
- butt joint
- joint pipe
- fastening nut
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Abstract
The utility model discloses a prestressed pipeline joint connecting device, which relates to the technical field of road and bridge engineering equipment and comprises the following components: the butt joint pipe body, the butt joint pipe body has logical chamber, the both ends of butt joint pipe body all have with butt joint pipe body integrated into one piece's petal form yielding portion, all be provided with the wedge on every petal of petal form yielding portion, the surface of butt joint pipe body has the screw thread section, be equipped with two fastening nut on the screw thread section, when fastening nut feeds to the tip of butt joint pipe body, fastening nut exerts pressure to the domatic of wedge gradually, so that petal form yielding portion draws in and this internal prestressing force pipeline locking of butt joint pipe to stretching into. According to the utility model, the two ends of the butt joint pipe body are provided with the petal-shaped easy-deformation parts, and the petal-shaped easy-deformation parts deform under the matching of the fastening nut and the wedge block, so that the prestressed pipeline in the butt joint pipe body can be fastened, and the rapid butt joint of the prestressed pipeline can be realized.
Description
Technical Field
The utility model relates to the technical field of road and bridge engineering equipment, in particular to a prestressed pipeline joint connecting device.
Background
A plurality of sections of prestressed pipelines are required to be buried in the bridge prestress construction process, the prestressed pipelines mainly take corrugated pipes as main parts, and the corrugated pipes in the plurality of sections are required to be butted to ensure that the prestressed tendons can be smoothly penetrated and arranged subsequently. The traditional butt joint mode is to carry out crevasse treatment with one of them bellows, and the bellows of crevasse treatment wears to establish a bellows about the prestressing tendons path direction, because the mouth of pipe diameter grow of the bellows of crevasse treatment for another bellows can insert the certain distance in the bellows of crevasse treatment, and then accomplish the butt joint of two adjacent bellows, utilize the sticky tape to twine butt joint department after the butt joint, especially need to handle the regional parcel of crevasse tightly, and this process is pure manual work, has the problem that the butt joint is inefficient.
Simultaneously, above-mentioned mode of butt joint bellows still has following defect, when laying the bellows in the reinforcing bar net, the sticky tape with the parcel breaks easily, leads to having mud to get into the bellows easily at bridge slip casting in-process, and then influences the later stage and wear to establish the prestressing tendons in to the bellows, and secondly, the sticky tape parcel insecure phenomenon that leads to the butt joint department slippage easily, and then loses the effect of burying the bellows underground, and when the butt joint to the different bellows of diameter, the leakproofness of butt joint department is guaranteed to being not good more.
Therefore, it is an urgent need to solve the problem of the art to provide a prestressed pipe joint connection device that can ensure the quick connection of corrugated pipes and ensure the tight connection.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a prestressed pipe joint connecting device, which aims to solve one of the problems in the background art, achieve rapid butt joint between adjacent corrugated pipes, and ensure tightness of a joint after butt joint.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a prestressed pipe joint connection comprising: to the joint pipe body, the joint pipe body has logical chamber, the both ends of joint pipe body all have with joint pipe body integrated into one piece's petal form yielding portion, all be provided with the wedge on every petal of petal form yielding portion, the surface to the joint pipe body has the screw thread section, be equipped with on the screw thread section two respectively with petal form yielding portion complex fastening nut, work as fastening nut to when the tip to the joint pipe body is fed, fastening nut is right the domatic exerting pressure gradually of wedge, so that petal form yielding portion draws in and to stretching into to this internal prestressing force pipeline locking of joint pipe.
Furthermore, each petal of the petal-shaped easy-deformation part has the same structure, an open slot is arranged between every two adjacent petals, and the petals forming the petal-shaped easy-deformation part are distributed in an axis array mode.
Further, the length of the fastening nut is greater than that of the open slot.
Furthermore, the sloping surface of the wedge-shaped block is of a conical surface structure.
Furthermore, a pressing block is arranged on one side, opposite to the wedge-shaped block, of each petal, and the pressing blocks are fixedly connected with the petals.
Further, the pressing block is made of rubber.
Further, the through cavity comprises a communicating section and two inserting sections, the two inserting sections are respectively arranged on two sides of the communicating section, the inner diameter of the communicating section is smaller than that of the inserting section, and the communicating section is in transition connection with the inserting section through a shaft shoulder.
Furthermore, the outer wall of the fastening nut is provided with a blind hole for screwing the fastening nut.
According to the technical scheme, compared with the prior art, the utility model provides the prestressed pipeline joint connecting device, the two ends of the butt joint pipe body are provided with the petal-shaped easy-deformation portions, after the prestressed pipeline extends into the butt joint pipe body from the openings at the two ends, the petal-shaped easy-deformation portions deform through screwing the fastening nuts on the outer wall of the butt joint pipe body under the matching of the fastening nuts and the wedge blocks, so that the prestressed pipeline in the butt joint pipe body can be fastened, the prestressed pipeline can be quickly butted through the arrangement of the structure, the connection strength is firm, and the butted part can be sealed through the deformation of the petal-shaped easy-deformation portions.
Drawings
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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of a prestressed pipe joint connection device provided by the present invention;
FIG. 2 is a schematic view of a pre-stressed pipe joint connection provided in accordance with the present invention from another perspective;
fig. 3 is a cross-sectional view taken along the line a-a of fig. 2 according to the present invention.
Wherein: 1 is a butt joint pipe body; 2 is a through cavity; 21 is a communicating section; 22 is an insertion section; 3 is a petal-shaped easily deformable part; 4 is a fastening nut; 5 is a wedge-shaped block; 6 is a petal; 7 is an open slot; 8 is a pressing block; and 9 is a blind hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention discloses a prestressed pipe joint connection device, which is further explained by taking a prestressed pipe as a corrugated pipe pair as an example, and includes: the butt joint pipe body 1 is provided with a through cavity 2, the through cavity 2 comprises a communication section 21 and two insertion sections 22, the two insertion sections 22 are respectively arranged at two sides of the communication section 21, the inner diameter of the communication section 21 is smaller than that of the insertion sections 22, the communication section 21 and the insertion sections 22 are in transitional connection through shaft shoulders, the insertion of a prestressed pipeline can be limited through the arrangement of the shaft shoulders, two ends of the butt joint pipe body 1 are respectively provided with a petal-shaped easy-deformation part 3 which is integrally formed with the butt joint pipe body 1, each petal 6 of the petal-shaped easy-deformation parts 3 is provided with a wedge block 5, the outer surface of the butt joint pipe body 1 is provided with a thread section, two fastening nuts 4 respectively matched with the petal-shaped easy-deformation parts 3 are arranged on the thread section, specifically, when the fastening nuts 4 feed to the end part of the butt joint pipe body 1, the fastening nuts 4 gradually apply pressure to the slope of the wedge blocks 5, so that the petal-shaped easily-deformed part 3 is folded and locked to the prestressed pipeline extending into the butt joint pipe body 1.
In this embodiment, every petal 6 of petal form yielding portion 3's structure is the same, and has open slot 7 between two adjacent petals 6, and the petal 6 of constituteing petal form yielding portion 3 is axle array distribution, and axle array distribution's petal 6 can make every petal 6 atress warp evenly, and then improves the fastness to the prestressing force pipe connection.
In this embodiment, the length of the fastening nut 4 is greater than that of the open slot 7, so that the position of the fastening nut 4 relative to the open slot 7 can be ensured to be sealed, wherein the open slot 7 is of a rectangular slot structure, in other embodiments, the open slot 7 can also be of a triangular structure, when the petal-shaped deformable portions 3 deform, the petals 6 can be attached to each other, and the tightness of the abutted prestressed pipeline can be ensured; in addition, the concrete structure and the radian of open slot 7 can specifically set up according to the diameter of the prestressing force pipeline that will dock, only need guarantee when 6 pretension prestressing force pipelines of each petal, each petal 6 can laminate each other, form seal structure can, the domatic conical surface structure that is of wedge 5, wedge 5 of conical surface structure can guarantee when fastening nut 4 feeds, guarantee the synchronism that each petal 6 inwards drawn in.
In the above embodiment, be provided with compact heap 8 in the one side relative with setting up wedge 5 on every petal 6, compact heap 8 and petal 6 fixed connection, compact heap 8 is the rubber material, and when being provided with compact heap 8 through the inboard at petal 6, when the prestressing force pipeline is the bellows, compact heap 8 can block in the trough of bellows, and then can guarantee the joint strength of the butt joint of the tubular prestressing force pipeline of bellows.
In the above embodiments, the outer wall of the fastening nut 4 has the blind hole 9 for screwing the fastening nut 4, and the metal rod extends into the blind hole 9 to rotate the fastening nut 4 and adjust the position of the fastening nut 4 on the butt joint pipe body 1.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A prestressed pipe joint connection, comprising: to the joint pipe body, the joint pipe body has logical chamber, the both ends of joint pipe body all have with joint pipe body integrated into one piece's petal form yielding portion, all be provided with the wedge on every petal of petal form yielding portion, the surface to the joint pipe body has the screw thread section, be equipped with on the screw thread section two respectively with petal form yielding portion complex fastening nut, work as fastening nut to when the tip to the joint pipe body is fed, fastening nut is right the domatic exerting pressure gradually of wedge, so that petal form yielding portion draws in and to stretching into to this internal prestressing force pipeline locking of joint pipe.
2. The prestressed pipe joint connecting device as claimed in claim 1, wherein each of said petals of said petal-shaped deformable portions has the same structure, and an open slot is provided between two adjacent petals, and the petals constituting said petal-shaped deformable portions are distributed in an axial array.
3. The prestressed pipe joint connection assembly of claim 2, wherein said fastening nut has a length greater than that of said open channel.
4. A prestressed pipe joint connection according to any one of claims 1-3, wherein said tapered surface of said wedge is of a tapered configuration.
5. The prestressed pipe joint connection means of claim 1, wherein a compression block is provided on each of said petals on a side opposite to where said wedge-shaped block is provided, said compression block being fixedly connected to said petals.
6. The prestressed pipe joint connection assembly of claim 5, wherein said compression blocks are rubber.
7. The prestressed pipe joint connection device as claimed in claim 1, wherein said through cavity comprises two communicating sections and two inserting sections, said two inserting sections are respectively disposed on two sides of said communicating section, the inner diameter of said communicating section is smaller than that of said inserting section, and said communicating section and said inserting sections are transitionally connected by a shaft shoulder.
8. The prestressed pipe joint connection assembly of claim 1, wherein said fastening nut has a blind hole in its outer wall for screwing said fastening nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122629310.8U CN216074727U (en) | 2021-10-29 | 2021-10-29 | Prestressed pipeline joint connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122629310.8U CN216074727U (en) | 2021-10-29 | 2021-10-29 | Prestressed pipeline joint connecting device |
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| CN216074727U true CN216074727U (en) | 2022-03-18 |
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| CN202122629310.8U Active CN216074727U (en) | 2021-10-29 | 2021-10-29 | Prestressed pipeline joint connecting device |
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| CN (1) | CN216074727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914212A (en) * | 2021-10-29 | 2022-01-11 | 中铁三局集团有限公司 | Prestressed pipeline joint connecting device |
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2021
- 2021-10-29 CN CN202122629310.8U patent/CN216074727U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914212A (en) * | 2021-10-29 | 2022-01-11 | 中铁三局集团有限公司 | Prestressed pipeline joint connecting device |
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