CN220399698U - Sealing water stopping device for leading out optical cable in pressurized water conveying pipeline - Google Patents
Sealing water stopping device for leading out optical cable in pressurized water conveying pipeline Download PDFInfo
- Publication number
- CN220399698U CN220399698U CN202321919667.2U CN202321919667U CN220399698U CN 220399698 U CN220399698 U CN 220399698U CN 202321919667 U CN202321919667 U CN 202321919667U CN 220399698 U CN220399698 U CN 220399698U
- Authority
- CN
- China
- Prior art keywords
- sealing
- optical cable
- flange
- water
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 155
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 230000003287 optical effect Effects 0.000 title claims abstract description 100
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a sealing water stopping device for leading out an optical cable in a pressurized water pipeline, which comprises a flange connection assembly and an optical cable sealing assembly; the flange connection assembly is used for being connected with the water delivery pipe, the optical cable sealing assembly is used for sealing and stopping water of the optical cable, the optical cable sealing assembly is of a double-layer sealing structure with an inner layer of conical rubber seal and an outer layer of heat-shrinkable sleeve seal; the conical rubber seal comprises a sealing rubber taper sleeve, a locking gasket and a locking nut, wherein the sealing rubber taper sleeve is extruded by the locking gasket when the locking nut is locked, so that the sealing rubber taper sleeve, the sealing flange and the optical cable are kept sealed. The heat-shrinkable sleeve seal comprises a conical metal adapting piece and a heat-shrinkable sleeve, and is attached to the conical metal adapting piece after heat-melting shrinkage, so that the heat-shrinkable sleeve is kept sealed with the sealing flange and the optical cable under the action of water pressure. Through double-deck sealed stagnant water structure, utilize the high water pressure in the raceway, improve the sealing performance of optical cable extraction position, solve the sealed stagnant water problem of optical cable extraction position when laying in the raceway from this.
Description
Technical Field
The utility model belongs to the field of communication optical cables, and particularly relates to a sealing water stopping device for leading out an optical cable in a pressurized water pipeline.
Background
In large-scale water resource allocation engineering, due to the need of water conservancy monitoring communication, it is becoming more common to lay optical cables in water pipelines. When the optical cable is laid in the water pipeline, the optical transmission equipment needs to be led out and connected in some places. The water pipe has high water pressure and high flow speed, so the sealing and water stopping at the leading-out position of the optical cable are particularly important.
In order to ensure that the optical cable leading-out position is watertight and impermeable under the condition of high water pressure when the optical cable is led out of the water pipe, the sealing device is required to be adopted for protecting the optical cable leading-out position.
Disclosure of Invention
Aiming at the special use scene, the utility model provides the sealing water stop device with the double-layer sealing structure, which is used for leading out the optical cable from the pressurized water pipeline.
The utility model is realized according to the following technical scheme:
a sealing water stopping device for leading out an optical cable in a pressurized water pipeline comprises a flange connection assembly and an optical cable sealing assembly; the flange connection assembly comprises a wire transmission pipe and a sealing flange, the wire transmission pipe is fixedly connected with the sealing flange, one end, far away from the sealing flange, of the wire transmission pipe is connected with the wire transmission pipe, the sealing flange is connected with at least one optical cable sealing assembly, and the optical cable sealing assembly is of a double-layer sealing structure with an inner layer of conical rubber seal and an outer layer of heat shrinkage sleeve seal; the flange connecting component is used for being connected with the water delivery pipe in a sealing way; the optical cable sealing component is used for leading out and sealing the optical cable.
Preferably, the outer layer heat-shrinkable sleeve seal comprises a conical metal adapting piece and a heat-shrinkable sleeve, wherein the heat-shrinkable sleeve is sleeved on a sealing flange, and the conical metal adapting piece is arranged between the heat-shrinkable sleeve and the sealing flange; the heat-shrinkable sleeve is bonded with the conical metal adapting piece after being hot melted, and is kept sealed with the sealing flange and the optical cable under the action of water pressure.
Preferably, the inner layer conical rubber seal comprises a sealing rubber taper sleeve, a locking gasket and a locking nut, wherein the sealing rubber taper sleeve, the locking gasket and the locking nut are sequentially arranged along the axial direction of the optical cable; the locking nut extrudes the sealing rubber taper sleeve to keep sealing with the sealing flange and the optical cable.
Preferably, the line pipe and the sealing flange are connected through a fixing flange.
Preferably, a sealing ring is arranged between the sealing flange and the fixing flange, so that the sealing between the sealing flange and the fixing flange is maintained.
Preferably, the number of the optical cable sealing assemblies connected to the sealing flange is related to the outer diameter of the optical cable, and the number of the optical cable sealing assemblies arranged on the sealing flange is determined according to the outer diameter of the optical cable.
Preferably, the sealing flange is provided with fixing holes corresponding to the number of the optical cable sealing assemblies, and the fixing holes are one or more of conical holes, threaded holes and cylindrical holes and are used for installing the optical cable sealing assemblies on the sealing flange to lead out one or more optical cables with the corresponding number.
Preferably, the water delivery pipe is reserved on the water delivery pipe in a welding mode.
Preferably, the lining steel pipe of the water conveying pipeline is provided with an inclined opening, and the water conveying pipeline is welded and fixed at the position of the inclined opening.
Preferably, the included angle between the water delivery pipe and the water delivery pipe after installation is smaller than 45 degrees, and the inclined angle is set, so that the bending radius of the optical cable is reduced, and the transmission quality of the optical cable is ensured.
In general, the above technical solutions conceived by the present utility model, compared with the prior art, enable the following beneficial effects to be obtained:
(1) According to the utility model, through a double-layer sealing structure, namely, the inner layer is sealed by the sealing taper sleeve, the outer layer is sealed by the heat-shrinkable sleeve, the water pressure of the water conveying pipeline is fully utilized, and the water can be prevented from seeping out from the leading-out position of the optical cable, so that the problems of fixing and sealing the optical cable led out from the water conveying pipeline are solved, and the transmission and the relay of the optical cable in the water conveying pipeline are possible.
(2) According to the utility model, the flange connecting piece comprising the pipeline is welded and installed by adopting inclined holes for forming holes on the lining steel pipe of the pipeline. The sealing water stopping sleeve member composed of the flange connection assembly and the optical cable sealing assembly is connected with the water delivery steel pipe through the flange connection member, and after the sealing water stopping sleeve member is installed, the sealing water stopping sleeve member and the water delivery steel pipe form an inclination angle, the inclination angle is smaller than 45 degrees, and the inclination direction is the direction facing the optical cable to be laid. Through the setting of inclination, can reduce the bending radius of optical cable, guarantee the transmission quality of optical cable.
(3) By adopting the sealing water blocking device provided by the utility model, the optical cable can be laid in the water pipeline with the water pressure of more than 1.5MPa, led out, fixed and sealed, the led-out position is watertight and watertight, the fixation is reliable, and the bending radius of the optical cable is ensured to meet the transmission quality requirement.
Drawings
FIG. 1 is a schematic view of the whole installation structure of a sealing water stop device provided by the utility model;
FIG. 2 is a hole layout of the sealing water stop device provided by the utility model for fixing 2 optical cables;
FIG. 3 is a hole layout of the sealing water stop device provided by the utility model for fixing 4 optical cables;
FIG. 4 is a block diagram of the sealing water stop kit provided by the utility model;
wherein: 1. a heat-shrinkable sleeve; 2. a tapered metal adapter; 3. a sealing flange; 4. a fixed flange; 5. a bolt; 6. a seal ring; 7. sealing the rubber taper sleeve; 8. a locking gasket; 9. a lock nut; 10. an optical cable; 11. an optical cable sealing assembly; 12. a wire pipe; 13. a water pipe.
Detailed Description
The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
The utility model provides a sealing water stopping device for leading out an optical cable in a pressurized water pipeline. The device can be applied to a water pipeline with the pressure in the pipe being more than 1.5MPa.
As shown in fig. 1 and 4, in order to achieve the above objects, the present utility model provides a sealing water stop device, which comprises a sealing water stop sleeve member composed of a flange connection assembly and an optical cable sealing assembly 11, wherein the flange connection assembly is used for sealing connection with a water pipe 13; the cable seal assembly 11 is used for the extraction and sealing of the cable 10.
The flange connecting assembly comprises a flange connecting piece, a sealing flange 3 and a sealing ring 6; the flange connecting piece is reserved on the water delivery pipe 13, and the sealing flange is connected with the flange connecting piece through bolts 5 or welded; a sealing ring is arranged between the sealing flange 3 and the fixed flange for sealing.
The method for reserving the flange connector on the water pipe 12 is that a hole is formed in the inner lining of the water pipe 12, the flange connector is made of a welding fixed flange 4 of a water pipe 12, the fixed flange 4 is welded at one end of the water pipe 12, and the other end of the water pipe 12 is welded with the inner lining of the water pipe 12 at the hole.
The cable sealing assembly 11 is arranged in the center of the sealing flange 3. At least 1 set of optical cable sealing assemblies 11 can be arranged on the single sealing flange 3 according to the outer diameter of the optical cable 10, fixing holes corresponding to the optical cable sealing assemblies 11 in number are formed in the sealing flange 3, and each fixing hole comprises three parts, namely a conical hole, a threaded hole and a cylindrical hole.
The optical cable sealing assembly 11 adopts a double sealing structure, the inner layer of the optical cable sealing assembly adopts conical rubber for sealing, and the outer layer of the optical cable sealing assembly adopts heat-shrinkable sleeve for sealing.
The heat-shrinkable sleeve is sealed and comprises a conical metal adapting piece 2 and a heat-shrinkable sleeve 1. The heat shrinkage bush 1 is sleeved on the sealing flange 3, the tapered metal adapting piece 2 is arranged between the heat shrinkage bush 1 and the sealing flange 3, after the optical cable 10 penetrates, the heat shrinkage bush 1 is thermally fused and is attached to the tapered metal adapting piece 2 and the optical cable 10, and meanwhile, the heat shrinkage bush is kept sealed with the sealing flange 3 and the optical cable 10 under the action of water pressure.
The conical rubber seal comprises a sealing rubber taper sleeve 7, a locking gasket 8 and a locking nut 9. The sealing rubber taper sleeve 7, the anti-loose gasket 8 and the locking nut 9 are sequentially arranged along the axial direction of the optical cable. The outer wall of the sealing rubber taper sleeve 7 is conical, and the middle inner wall is a round optical cable hole. The sealing rubber taper sleeve 7 is inserted into the sealing flange 3 in an inverted taper shape, after the optical cable 10 is penetrated, the locking nut 9 extrudes the sealing rubber taper sleeve 7 through the anti-loose gasket 8, so that the outer wall of the sealing rubber taper sleeve is tightly attached to the sealing flange 3, and the inner wall of the sealing rubber taper sleeve is tightly attached to the optical cable 10, so that the sealing rubber taper sleeve is integrally kept sealed with the sealing flange 3 and the optical cable 10.
Preferably, the water pipe 13 is provided with holes by welding flange connectors through inclined holes. The sealing water stopping sleeve member is connected with the water delivery pipe 13 through a flange connecting piece, and forms an inclination angle with the water delivery pipe 13 after being installed, wherein the inclination angle is smaller than 45 degrees, and the inclination direction is the direction facing the optical cable 10. By setting the inclination angle, the bending radius of the optical cable 10 can be reduced, and the transmission quality of the optical cable 10 can be ensured.
Meanwhile, the pressure born by the conical surface of the optical cable sealing assembly, which is kept sealed with the optical cable after the optical cable sealing assembly is installed, is calculated according to the following calculation formula:
wherein D is the diameter of the water delivery pipeline, D C The diameter of the optical cable is L, the length of a bus with a conical surface is L, and the included angle between the bus and the bottom surface is alpha.
By calculating the pressure F, the sealing effect of the optical cable sealing assembly under the action of the water pressure is evaluated, the parameters of the sealing assembly are reasonably selected, and the compression resistance of the optical cable is not exceeded while the sealing is enhanced by fully utilizing the water pressure.
The integral installation structure of the embodiment is shown in fig. 1, the sealing water stop device is arranged on a water pipe 13 with the diameter of 4.8 meters, and the water pressure in the pipe is 1.5MPa. And a hole is formed in the leading-in/leading-out position of the optical cable 10 of the water pipe 13, a DN125 steel pipe serving as the water pipe 12 is welded, and a fixing flange 4 is welded at the other end of the water pipe 12. The sealing flange 3 is connected with the fixed flange 4 by bolts 5, and a sealing ring 6 is arranged between the two flanges to keep sealing.
The middle of the sealing flange 3 is provided with 1-4 fixing holes, and the fixing holes are one or more of conical holes, threaded holes and cylindrical holes and are used for fixing the optical cable sealing waterproof assembly 11. A set of cable seal waterproof assemblies 11 secures 1 cable 10. Fig. 2 and 3 are layout diagrams of securing 2 and 4 fiber optic cables 10, respectively.
The inner layer of the optical cable sealing assembly 11 is sealed by adopting conical rubber, the optical cable 10 sequentially passes through the sealing rubber taper sleeve 7, the anti-loose gasket 8 and the locking nut 9 and then is arranged in the conical hole of the sealing flange 3, the locking nut 9 is screwed down, the sealing rubber taper sleeve 7 is extruded by the anti-loose gasket 8, and the sealing rubber taper sleeve 7 is kept in close contact with the sealing flange 3 and the optical cable 10, so that the sealing effect is achieved.
The outer layer of the optical cable sealing assembly 11 is sealed by a heat-shrinkable sleeve 1, and the optical cable 10 sequentially passes through the tapered metal adapting piece 2 and the heat-shrinkable sleeve 1 and then is arranged on the fixing hole of the sealing flange 3. The heat-shrinkable sleeve 1 is heat-shrunk to form a conical surface, and the conical surface is tightly attached to the sealing flange 3, the conical metal adapter 2 and the optical cable 10. The tapered surface of the heat-shrinkable sleeve 1 keeps good sealing with the sealing flange 3, the tapered metal adapter 2 and the optical cable 10 under the action of water pressure.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The utility model provides a sealing water stop device that optical cable led out in pressurized water pipeline, its characterized in that, including flange joint subassembly and optical cable seal assembly, flange joint subassembly includes pipeline and sealing flange, pipeline and sealing flange fixed connection, the one end that sealing flange was kept away from to the pipeline is connected with the water pipeline, be connected with at least one optical cable seal assembly on the sealing flange, optical cable seal assembly sets up to the sealed bilayer seal structure of inlayer toper rubber seal, outer pyrocondensation sleeve.
2. The sealing water stopping device for leading out an optical cable in a pressurized water pipeline according to claim 1, wherein the outer layer heat-shrinkable sleeve seal comprises a conical metal adapting piece and a heat-shrinkable sleeve, and the heat-shrinkable sleeve is sleeved on a sealing flange and is provided with the conical metal adapting piece between the heat-shrinkable sleeve and the sealing flange.
3. The sealing water stopping device for the optical cable lead-out in the pressurized water pipeline according to claim 1, wherein the inner conical rubber seal comprises a sealing rubber taper sleeve, a locking gasket and a locking nut, and the sealing rubber taper sleeve, the locking gasket and the locking nut are sequentially arranged along the axial direction of the optical cable.
4. A sealing water stop device for leading out an optical cable in a pressurized water pipeline according to claim 1, wherein the pipeline is connected with the sealing flange through a fixing flange.
5. The sealing water stopping device for leading out an optical cable in a pressurized water pipeline according to claim 4, wherein a sealing ring is arranged between the sealing flange and the fixing flange.
6. A cable lead-out sealing water stop in a pressurized water conduit according to claim 1, wherein the number of cable sealing assemblies attached to said sealing flange is related to the outer diameter of the cable.
7. The sealing water stopping device for leading out the optical cable in the pressurized water pipeline according to claim 6, wherein the sealing flange is provided with fixing holes corresponding to the number of the optical cable sealing components, and the fixing holes are one or more of conical holes, threaded holes and cylindrical holes.
8. A sealing water stop device for leading out an optical cable in a pressurized water pipeline according to claim 1, wherein the water pipeline is reserved on the water pipeline in a welding mode.
9. The sealing water stopping device for leading out optical cable in pressurized water pipeline according to claim 8, wherein the inner lining of the water pipeline is provided with an inclined opening, and the water pipeline is welded and fixed at the position of the inclined opening.
10. A sealing water stop for the extraction of optical cables in a pressurized water conduit according to claim 8, wherein the conduit is mounted at an angle of less than 45 ° to the conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321919667.2U CN220399698U (en) | 2023-07-20 | 2023-07-20 | Sealing water stopping device for leading out optical cable in pressurized water conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321919667.2U CN220399698U (en) | 2023-07-20 | 2023-07-20 | Sealing water stopping device for leading out optical cable in pressurized water conveying pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220399698U true CN220399698U (en) | 2024-01-26 |
Family
ID=89609539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321919667.2U Active CN220399698U (en) | 2023-07-20 | 2023-07-20 | Sealing water stopping device for leading out optical cable in pressurized water conveying pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220399698U (en) |
-
2023
- 2023-07-20 CN CN202321919667.2U patent/CN220399698U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102540371A (en) | Underwater one-to-many composite optical cable branching device | |
| CN114520078A (en) | New forms of energy photovoltaic intelligent cable | |
| CN220399698U (en) | Sealing water stopping device for leading out optical cable in pressurized water conveying pipeline | |
| CN208112187U (en) | A kind of wire and cable protective shell with water-proof function | |
| CN211344463U (en) | Flexible mouthpiece and pipeline for town heating | |
| CN210577698U (en) | Novel MPP power cable protection pipe sleeve | |
| CN204201310U (en) | Used in fire-fighting multi-level telescopic water-pipe | |
| CN209818954U (en) | PE water supply pipe capable of preventing joint from bursting | |
| CN220523479U (en) | Heat-resistant polyethylene pipeline applied to energy storage cooling pipeline | |
| CN221056726U (en) | Underground optical cable connector | |
| CN213390253U (en) | Underground anti-seepage film plug-in connector | |
| CN214755443U (en) | PVC cable prevention of seepage passes through protective case | |
| CN210398086U (en) | PP-R pipe and PVC pipe quick connect adapter | |
| CN214100707U (en) | Acid and alkali resistant cable sheath tube | |
| CN215367595U (en) | Leakage-proof pipeline system for building drainage | |
| CN210482471U (en) | Pipeline joint mounting structure and water supply pipeline distribution box thereof | |
| CN211040015U (en) | Ferrule joint convenient to assembly | |
| CN212319043U (en) | Oil pipe capable of preventing frost cracking | |
| CN218783564U (en) | Multi-branch cable joint and multi-branch cable | |
| CN214533237U (en) | Lock catch beam device with oil circuit and aircraft engine comprising same | |
| CN219697277U (en) | Longitudinal watertight device of cable | |
| CN215580293U (en) | Communication engineering line is laid and is used directly buried pipeline | |
| CN219980399U (en) | High-stability porous plum blossom pipe for communication | |
| CN216408096U (en) | PP-R pipe fitting with good heat resistance | |
| CN216981453U (en) | Wire routing structure of wind power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |