CN216215782U - Cable protection structure for crossing river channel by drilling - Google Patents
Cable protection structure for crossing river channel by drilling Download PDFInfo
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- CN216215782U CN216215782U CN202122415560.1U CN202122415560U CN216215782U CN 216215782 U CN216215782 U CN 216215782U CN 202122415560 U CN202122415560 U CN 202122415560U CN 216215782 U CN216215782 U CN 216215782U
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Abstract
The application discloses a cable protection structure for crossing a river channel in a drilling mode, which comprises an outer protection tube, a plurality of fixing pieces and a plurality of inner protection tubes arranged in the outer protection tube; the inner wall of the outer protection tube is provided with a plurality of clamping grooves which are sequentially arranged along the length direction of the outer protection tube and are arranged in an annular array relative to the axial lead of the outer tube; the inner protection tubes are respectively arranged in the clamping grooves; the plurality of fixing pieces are arranged on the outer wall of the outer protection pipe at intervals along the length direction of the outer protection pipe, and the plurality of inner protection pipes can be clamped on the inner wall of the outer protection pipe. This application has solved among the prior art PE pipe and has returned back wearing and tearing serious, reduces the guard action to the cable, and the PE pipe returns between the adjacent PE pipe of back that drags unstability influence the normal technical problem who goes on of later stage cabling, has realized avoiding the PE pipe to return and has caused wearing and tearing and strengthen the purpose of holistic stability between the PE pipe after dragging.
Description
Technical Field
The application relates to the technical field of trenchless directional drilling construction, in particular to a cable protection structure for a river channel to be crossed.
Background
Trenchless construction began in 1896 in the United states, started in developed countries in the 80 th century and formed industries, and the trenchless technology construction was applied to Beijing for the first time in 1953 in China, and started in the 90 th century, which has been developed rapidly in recent years. The method is widely applied to the fields of pipeline laying and maintenance such as petroleum and natural gas, urban water supply and drainage, gas supply, electric power, communication, heat supply and the like.
The trenchless directional drilling technology is a construction technology for laying, maintaining, replacing or detecting underground pipelines and pipelines by a method with less or no trenching. The trenchless directional drilling construction applies the principle of the directional drilling technology, greatly reduces the influence of underground pipeline construction on traffic, environment, infrastructure, resident life and work and the like, and becomes an important component of the construction, construction and management of modern urban technical facilities.
In the prior art, when a non-excavation directional drilling technology is adopted to drill a river channel, cables need to be laid after a steel pipe is pulled back, however, before the cables are laid, PE pipes (namely outer protection layers of the cables) need to be pulled back from the steel pipe, and finally, each cable is laid in each PE pipe to complete the final cable laying work; when dragging back from the steel pipe to the PE pipe among the prior art, the PE pipe is direct to drag back with the friction of steel pipe inner wall, because back drag the road length, drag the later stage more back, the part that the PE pipe entered into the steel pipe is longer more, then frictional force between PE pipe and the steel pipe inner wall is big more, it is serious to cause PE pipe wearing and tearing easily, if PE pipe wearing and tearing are serious, then the protective action to the cable in the later stage cable laying PE pipe reduces greatly, and PE pipe back has the clearance after dragging the steel pipe and between the steel pipe inner wall among the prior art, lead to having the surplus of rocking between the adjacent PE pipe, make between the adjacent PE pipe unstable, influence the normal clear of later stage cable laying.
SUMMERY OF THE UTILITY MODEL
This application is through providing a bore cable protection architecture in river course more, and it is serious to have solved among the prior art PE pipe and has drawn back wearing and tearing, reduces the guard action to the cable, and the PE pipe is drawn back between the adjacent PE pipe unstability influence later stage cable laying's normally going on technical problem after adjacent PE pipe, has realized avoiding the PE pipe to draw back and cause wearing and tearing and strengthen the purpose of holistic stability between the PE pipe.
The utility model provides a bore cable protection architecture of river course that crosses, including outer protection tube, a plurality of mounting and set up in a plurality of inner protection tubes in the outer protection tube; the inner wall of the outer protection tube is provided with a plurality of clamping grooves which are sequentially arranged along the length direction of the outer protection tube, and the plurality of clamping grooves are arranged in an annular array relative to the axial lead of the outer protection tube; the inner protection tubes are respectively arranged in the clamping grooves; the fixing pieces are arranged on the outer wall of the outer protection pipe at intervals along the length direction of the outer protection pipe, and the inner protection pipe can be clamped on the inner wall of the outer protection pipe.
In a possible implementation manner, the clamping groove comprises a circular arc structure, and the outer diameter of the inner protection tube is smaller than the inner diameter of the clamping groove.
In a possible implementation manner, the device further comprises a central card slot; the central clamping groove is arranged in the outer protection tube, and the axial lead of the central clamping groove is superposed with the axial lead of the outer protection tube; and a rib plate is fixedly connected between the central clamping groove and the clamping groove.
In a possible implementation manner, the central clamping groove is of a hollow cylindrical structure, a through groove is formed in the side face of the central clamping groove, and the inner diameter of the central clamping groove is larger than the outer diameter of the inner protection tube.
In a possible implementation manner, a plurality of grooves are circumferentially formed on the outer wall of the outer protection tube at positions corresponding to the fixing pieces; the fixing piece is clamped in the groove, and the fixing piece does not extend out of the groove.
In a possible implementation manner, the outer protection tube is made of a wear-resistant flame-retardant material, and the inner protection tube comprises a PE tube.
In one possible realization, the outer wall of the outer protective tube is provided with anti-slip threads.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
the outer protection tube, the plurality of fixing pieces and the plurality of inner protection tubes are arranged in the outer protection tube; arranging a plurality of clamping grooves on the inner wall of the outer protection tube, wherein the clamping grooves are sequentially arranged along the length direction of the outer protection tube and are arranged in an annular array relative to the axial lead of the outer tube; then, the inner protection tubes are respectively arranged in the clamping grooves, so that the inner protection tubes can be limited in the space of the clamping grooves; the plurality of fixing pieces are further arranged on the outer wall of the outer protection tube at intervals along the length direction of the outer protection tube, so that the plurality of inner protection tubes can be clamped in the clamping grooves and further clamped on the inner wall of the outer protection tube, the integral stability of the inner protection tubes is improved, and the inner protection tubes are prevented from shaking mutually; when dragging the whole cable protection structure back from the steel pipe, the outer protection pipe is in direct contact with the steel pipe to generate friction, so that the abrasion of the inner protection pipe is avoided, and the cable protection effect is improved. Effectively solved among the prior art PE pipe back drag back wearing and tearing serious, reduced the guard action to the cable, the PE pipe back drag between the adjacent PE pipe unstability influence later stage cabling's normal clear technical problem, realized avoiding the PE pipe back drag back cause wearing and tearing and strengthen the technical effect of holistic stability between the PE pipe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a cable protection structure for drilling across a river according to an embodiment of the present disclosure;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a side view of a cable protection structure drilling across a river according to an embodiment of the present application.
Reference numerals: 1-an outer protective tube; 11-a groove; 2-a fixing piece; 3-inner protective tube; 4-a card slot; 5-a central card slot; 51-a through slot; 6-ribbed plate.
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 some, not all, embodiments of the present invention. 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.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
Referring to fig. 2, a cable protection structure that drills across a river according to an embodiment of the present application includes an outer protection tube 1, a plurality of fixing members 2, and a plurality of inner protection tubes 3 disposed in the outer protection tube 1; the inner wall of the outer protection tube 1 is provided with a plurality of clamping grooves 4, the clamping grooves 4 are sequentially arranged along the length direction of the outer protection tube 1, and the clamping grooves 4 are arranged in an annular array relative to the axial lead of the outer protection tube 1; the inner protection tubes 3 are respectively arranged in the clamping grooves 4; the plurality of fasteners 2 are provided at intervals on the outer wall of the outer protection tube 1 along the longitudinal direction of the outer protection tube 1, and can clamp the plurality of inner protection tubes 3 on the inner wall of the outer protection tube 1. In the embodiment of the application, six clamping grooves 4 are selected, seven inner protection tubes 3 are selected, six inner protection tubes 3 are respectively placed in the six clamping grooves 4, the rest inner protection tube 3 is placed in the axis of the outer protection tube 1, the outer wall of the inner protection tube 3 at the center can be in contact with the rest six inner protection tubes 3 at the moment, the fixing piece 2 selects a clamp, the six inner protection tubes 3 are clamped in the six clamping grooves 4 by screwing the clamp, meanwhile, the inner protection tube 3 at the center is jointly extruded at the center, the integral fixing of the inner protection tube 3 is realized, the integral stability of the inner protection tube 3 is improved, when the integral structure is pulled back to a steel tube, friction is generated between the outer protection tube 1 and the inner wall of the steel tube, the outer protection tube 1 is abraded, the abrasion of the inner protection tube 3 is avoided, finally, cables are sequentially laid in the inner protection tubes 3, the protection effect on the cable is improved. The number of the card slots 4 in the embodiment of the application is reasonably selected according to actual conditions.
Referring to fig. 2, the catching groove 4 includes a circular arc structure, and the outer diameter of the inner protection tube 3 is smaller than the inner diameter of the catching groove 4. In the embodiment of the application, the structure of the clamping groove 4 is an arc-shaped structure, and the inner diameter of the clamping groove 4 is slightly larger than the outer diameter of the inner protection tube 3, so that when the inner protection tube 3 is clamped in the clamping groove 4, the outer wall of the inner protection tube 3 can be attached to the inner wall of the clamping groove 4 more tightly, and the overall stability of the inner protection tube 3 is further improved; u-shaped groove structure also can be chooseed for use to draw-in groove 4's structure in this application embodiment, and when inner protection tube 3 was in the U-shaped groove equally, there was the gap between the inner wall in outer wall and the U-shaped groove of inner protection tube 3.
Referring to fig. 2, the cable protection structure for drilling across a river according to the embodiment of the present application further includes a central slot 5; the central clamping groove 5 is arranged inside the outer protection tube 1, and the axial lead of the central clamping groove 5 is superposed with the axial lead of the outer protection tube 1; a ribbed plate 6 is fixedly connected between the central clamping groove 5 and the clamping groove 4. Still set up central line draw-in groove 4 in the embodiment of this application, the purpose is used for placing that inner protection tube 3 that is in 1 axial lead department of outer protection tube, make and separate between the inner protection tube 3 at center and all the other inner protection tube 3, it makes draw-in groove 4 and central draw-in groove 5 be connected as an organic wholely to set up floor 6 simultaneously, further increase holistic support performance, when fixing 2 fastens outer protection tube 1, realize the chucking effect to all inner protection tubes 3 through draw-in groove 4 and central draw-in groove 5, after 2 fastenings of fixing are accomplished, inner protection tube 3 and the holistic stability of outer protection tube 1 further improve.
Referring to fig. 2, the central locking groove 5 is a hollow cylinder structure and has a through groove 51 formed on the side surface thereof, and the inner diameter of the central locking groove 5 is larger than the outer diameter of the inner protection tube 3. The side annular array of central draw-in groove 5 in this application embodiment sets up three floor 6, and three floor 6 is fixed connection in draw-in groove 4 respectively, and there is the gap between the lateral surface of central line draw-in groove 4 and the inner protection tube 3 that is in draw-in groove 4, conveniently puts into draw-in groove 4 with inner protection tube 3 between 2 fastenings of mounting.
Referring to fig. 1 and 3, a plurality of grooves 11 are circumferentially formed on the outer wall of the outer protection tube 1 at positions corresponding to the fixing pieces 2; the fixing member 2 is clamped in the groove 11, and the fixing member 2 does not extend out of the groove 11. Further consider that whole cable protection architecture drags the time at the steel pipe inner wall back in the embodiment of this application, because there is the friction and probably there is the circumstances of jamming between mounting 2 and the steel pipe inner wall, consequently, set up a plurality of recesses 11 at the outer wall of outer protection tube 1, make mounting 2 whole be in carry out the fastening action to outer protection tube 1 in recess 11, avoid mounting 2 to expose recess 11 outward and then probably have the circumstances of jamming, make whole cable protection architecture only produce the friction through outer protection tube 1 and steel pipe inner wall when the steel pipe inner wall drags back.
Referring to fig. 2, the outer protection tube 1 is made of wear-resistant flame-retardant material, the inner protection tube 3 comprises a PE tube, and the outer wall of the outer protection tube 1 is provided with anti-slip lines. In the embodiment of the application, the inner protection tube 3 is made of the PE tube, after the PE tube is integrally pulled back from the inner wall of the steel tube, the cable or the optical cable is laid in the PE tube in sequence, and the protection performance of the cable or the optical cable inside the PE tube is improved.
The application of the cable protection structure for crossing river course is as follows:
six are selected for use to the quantity of draw-in groove 4 in the embodiment of this application, the quantity of central draw-in groove 5 is one, it drags the completion to go back at horizontal directional drilling construction reaming and steel pipe, before preparing to drag back the PE pipe, put into six draw-in grooves 4 and a central draw-in groove 5 of outer protection tube 1 respectively with seven PE pipes earlier, then screw up the fixed action that realizes all PE pipes inside outer protection tube 1 with the clamp in proper order in the recess 11 of outer protection tube 1 outer wall, at last drag back the whole steel pipe inner wall of following of PE pipe that will fix, it rubs to return to produce between the in-process steel pipe inner wall that drags and the outer protection tube 1, thereby avoided the PE pipe to be worn and torn, the holistic stability of PE pipe has been improved simultaneously.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.
Claims (7)
1. A cable protection structure for crossing a river channel in a drilling mode is characterized by comprising an outer protection tube (1), a plurality of fixing pieces (2) and a plurality of inner protection tubes (3) arranged in the outer protection tube (1);
the inner wall of the outer protection tube (1) is provided with a plurality of clamping grooves (4), the clamping grooves (4) are sequentially arranged along the length direction of the outer protection tube (1), and the clamping grooves (4) are arranged in an annular array relative to the axial lead of the outer protection tube (1);
the inner protection tubes (3) are respectively arranged in the clamping grooves (4);
a plurality of the fixing piece (2) is arranged on the outer wall of the outer protection pipe (1) at intervals along the length direction of the outer protection pipe (1), and the inner protection pipe (3) can be clamped on the inner wall of the outer protection pipe (1).
2. The cable protection structure for drilling across a river according to claim 1, wherein the groove (4) comprises a circular arc structure, and the outer diameter of the inner protection tube (3) is smaller than the inner diameter of the groove (4).
3. A cable protection structure for drilling across a river according to claim 1 further comprising a central slot (5);
the central clamping groove (5) is arranged inside the outer protection tube (1), and the axial lead of the central clamping groove (5) is superposed with the axial lead of the outer protection tube (1);
and a rib plate (6) is fixedly connected between the central clamping groove (5) and the clamping groove (4).
4. The cable protection structure for drilling across a river channel according to claim 3, wherein the central clamping groove (5) is a hollow cylinder structure with a through groove (51) formed in the side surface, and the inner diameter of the central clamping groove (5) is larger than the outer diameter of the inner protection tube (3).
5. The cable protection structure crossing river according to claim 1, wherein the outer wall of the outer protection tube (1) is circumferentially provided with a plurality of grooves (11) corresponding to the positions of the fixing pieces (2);
the fixing piece (2) is clamped in the groove (11), and the fixing piece (2) does not extend out of the groove (11).
6. The structure for protecting cables which cross river channels according to claim 1, wherein the material of the outer protection tube (1) is wear-resistant and flame-retardant, and the inner protection tube (3) comprises a PE tube.
7. Cable protection structure for cables crossing river channels according to claim 1, characterized in that the outer wall of the outer protective tube (1) is provided with anti-slip threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122415560.1U CN216215782U (en) | 2021-10-08 | 2021-10-08 | Cable protection structure for crossing river channel by drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122415560.1U CN216215782U (en) | 2021-10-08 | 2021-10-08 | Cable protection structure for crossing river channel by drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216215782U true CN216215782U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122415560.1U Active CN216215782U (en) | 2021-10-08 | 2021-10-08 | Cable protection structure for crossing river channel by drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216215782U (en) |
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2021
- 2021-10-08 CN CN202122415560.1U patent/CN216215782U/en active Active
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