CN111722334A - Plugging device and method for supporting type optical cable down-leading protection tube - Google Patents
Plugging device and method for supporting type optical cable down-leading protection tube Download PDFInfo
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- CN111722334A CN111722334A CN202010454744.6A CN202010454744A CN111722334A CN 111722334 A CN111722334 A CN 111722334A CN 202010454744 A CN202010454744 A CN 202010454744A CN 111722334 A CN111722334 A CN 111722334A
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- plugging
- optical cable
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- hoop
- leading
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to a plugging device for a support type optical cable down-leading protection tube, which is characterized in that: the plugging protection device is composed of a support hoop and a plugging protection tray, wherein the plugging protection tray is nested in the support hoop. The invention also relates to a plugging method for the support type optical cable down-leading protection tube, which is characterized by comprising the following steps: firstly, tightly fixing a support hoop and an optical cable down-leading protection tube; secondly, installing a plugging protection tray in the optical cable down-leading protection tube, and enabling the optical cable to penetrate out of the threading hole; filling the plugging protection tray with plugging fireproof mortar, and tamping the plugging fireproof mortar with a tool while filling to form a cylindrical base; and fourthly, forming a cone with the apex angle of 60 degrees on the formed cylindrical base by using the plugging fireproof daub. The plugging device and the plugging method for the supporting type optical cable down-leading protection tube have the advantages of scientific and reasonable design, good plugging protection effect, convenience in installation, long service life and easiness in implementation, and are relatively high in innovativeness.
Description
Technical Field
The invention belongs to the technical field of power equipment, relates to an optical cable down-leading protection tube, and particularly relates to a supporting type optical cable down-leading protection tube plugging device and method.
Background
The optical fiber communication has a series of characteristics of wide transmission frequency band, strong anti-interference performance, small signal attenuation and the like, is widely applied and developed, and is a main transmission mode in the power communication. At present, China has built an electric power communication network which mainly uses optical cables and covers the whole country. The safe and stable operation of the power communication optical cable provides powerful support for important services such as inter-station protection channels, a scheduling data private network, a comprehensive service data network and a remote video conference.
At present, OPGW optical cables and ADSS optical cables are widely used in power communication networks due to their characteristics of high safety, strong electromagnetic field resistance, adaptability to power transmission lines, and the like. The guide optical cable is a connecting part of a line to a communication machine room of a transformer substation, and the optical cable is erected to a door-shaped framework of the transformer substation along with a primary line, passes through the rest cable frame and the optical cable joint box, enters the ground through the protection pipe and then enters the communication machine room. The faults at the place where the optical cable passes through the protection tube are frequent, which is a weak link of an optical cable line and is a hidden trouble for the safe and stable operation of a communication network.
In the construction process of the optical cable of the transformer substation, the guide optical cable is plugged in DL/T5344-2006 'acceptance standard of power optical fiber communication engineering', and the requirements are that 'the buried part of the cable trench caused by the guide optical cable led by a splice box is protected by a hot-dip galvanized steel pipe, and two ends of the steel pipe are plugged in a waterproof way'; in QGDW758-2012 "power system communication optical cable installation process specification", it is required that "the optical cable is led down by the component to the buried part of the cable trench and is protected by passing through a hot dip galvanized steel pipe, and passes through an insulating sleeve for insulation, and both ends are waterproof plugged with fire clay", and there is no unified construction standard for plugging at present.
In the actual construction process, the traditional direct sealing measure of the fire clay is usually adopted, and the sealing part is completely exposed outside.
Such plugging mainly has the following problems:
1. because the bottom of the fireproof daub is not supported during plugging, the daub is easy to loose and crack during long-time exposure, even the daub completely collapses, falls off, loses and the like, the plugging service life is short, the optical cable is exposed without protection, the optical cable can be damaged, the normal operation of the optical cable is influenced, and the safe and stable operation of a power grid is further influenced;
2. because the plugging fireproof daub directly contacts with the external environment, the outdoor weather condition is complex, and the daub is easy to be infiltrated and softened by external rainwater, moisture and the like, so that the daub is deformed and loosened to influence the plugging effect;
3. in winter, in northern areas, rain and snow exist, and in the environment of alternating from zero to zero around the clock, water permeates into the daub in the daytime, so that the communication optical cable is easy to freeze and extrude at night, the attenuation of the optical cable is seriously influenced, and even the optical cable is interrupted due to overlarge attenuation;
4. the bottom of the fireproof daub plugging process is suspended without support, and is not easy to be fixed and formed, so that the plugging process is difficult.
In order to solve the problems in plugging and ensure long-term normal use in complex environments, a guiding optical cable plugging protection device with good plugging protection effect, convenience in installation and long service life is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a plugging device and a plugging method for a support type optical cable down-leading protection tube, which have the advantages of good plugging protection effect, convenience in installation, long service life and easiness in implementation.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a support formula optical cable draws down protection tube plugging device which characterized in that: the plugging protection device is composed of a support hoop and a plugging protection tray, wherein the plugging protection tray is nested in the support hoop.
The supporting hoop is composed of two semicircular hoop bodies which are symmetrical left and right, connecting sheets which are perpendicular to the outer walls of the respective hoop bodies are arranged at two ends of each semicircular hoop body, connecting holes are formed in the connecting sheets, and the two semicircular hoop bodies are connected with the connecting holes at two ends through matching of bolts and nuts; the upper end of the outer wall of the middle part of each semicircular hoop body extends outwards horizontally to be provided with a bearing sheet, and the bearing sheet is provided with a first mounting hole.
The plugging protection tray is formed by splicing two semi-cylindrical groove bodies which are symmetrical left and right, the upper end and the inner side of each semi-cylindrical groove body are of an open structure, semicircular openings are symmetrically arranged at intervals on the edge of the bottom surface of each semi-cylindrical groove body, the left and right openings form threading holes after the two semi-cylindrical groove bodies are spliced, mounting pieces are mounted on the upper end surface of the middle part of each semi-cylindrical groove body corresponding to the positions for supporting the hoop bearing pieces, and second mounting holes are arranged on each mounting piece corresponding to the positions of the first mounting holes; each semi-cylindrical groove body is connected to the inner side of each corresponding semi-cylindrical hoop body through the matching of a bolt, a first mounting hole of a nut and a second mounting hole.
Moreover, the connecting hole is a threaded hole.
Moreover, the threading holes are 2-5 evenly arranged at intervals.
Moreover, the number of the threading holes is 3, and the three threading holes are arranged on the bottom surface of the plugging protection tray along the radial direction every 1/4 diameters.
And the inner diameter of the supporting hoop is matched with the outer diameter of the optical cable leading-down protection tube, and the outer diameter of the plugging protection tray is matched with the inner diameter of the optical cable leading-down protection tube.
A method for plugging a support type optical cable down-leading protection tube is characterized by comprising the following steps: the method comprises the following steps:
firstly, one worker holds two supporting hoops and places the supporting hoops at the top end of the optical cable down-leading protection tube, the other worker fixes the two supporting hoops into a whole by using bolts and nuts, and the supporting hoops and the optical cable down-leading protection tube are tightly fixed at the moment;
secondly, the blocking protection tray is placed inside the optical cable down-leading protection tube by a worker, the two semi-cylindrical groove bodies on the blocking protection tray are respectively connected with the two semi-circular hoop bodies of the supporting hoop, and the optical cable penetrates out from a threading hole formed by the two semi-cylindrical groove bodies;
thirdly, filling the plugging protection tray with plugging fireproof mortar by workers, and tamping the plugging fireproof mortar with a tool while filling to form a cylindrical base;
and fourthly, forming a cone with the apex angle of 60 degrees on the formed cylindrical base by using the plugging fireproof daub.
Moreover, the tool is a cleaver or a rubber hammer.
And the height of the cylindrical base is flush with or higher than the upper end surface of the plugging protection tray.
The invention has the advantages and positive effects that:
1. the device and the method for plugging the support type optical cable down-leading protection tube can achieve the purpose of preventing rainwater from entering; by supporting and fixing the plugging fireproof daub, the probability of loosening, cracking, collapsing and falling of the plugging daub can be reduced, and the service life of a plugging material is prolonged; the plugging protection tray adopts a rigid structure, so that the optical cable fault caused by the fact that the plugging fireproof mortar enters water, freezes, expands and extrudes the optical cable in winter can be effectively prevented; the connecting structure mainly adopts a rigid structure and a bolt mode for connection, is simple and convenient to install and use, has a good sealing effect, and ensures the normal operation of the power communication network.
2. According to the method for plugging the support type optical cable down-leading protection tube, the cone is arranged on the cylindrical base, so that rainwater is effectively prevented from accumulating, and the rainwater is prevented from permeating and damaging the optical cable.
3. The plugging device and the plugging method for the supporting type optical cable down-leading protection tube have the advantages of scientific and reasonable design, good plugging protection effect, convenience in installation, long service life and easiness in implementation, and are relatively high in innovativeness.
Drawings
FIG. 1 is an assembly view (in cross-section) of the present invention;
FIG. 2 is a schematic structural view of one of the semicircular hoop bodies of the support hoop of the present invention;
FIG. 3 is a schematic structural view of the support hoop assembled on the optical cable down-guiding protection tube according to the present invention;
FIG. 4 is a schematic structural view of one of the semi-cylindrical grooves of the plugging protection tray of the present invention;
fig. 5 is a schematic structural view of the assembly of the plugging protection tray on the optical cable down-leading protection tube according to the invention;
FIG. 6 is a state diagram after the construction of the present invention.
Description of the reference numerals
1-mounting piece, 2-bearing piece, 3-supporting hoop, 4-optical cable down-leading protection tube, 5-blocking protection tray, 6-threading hole, 7-first mounting hole, 8-connecting piece, 9-semicircular hoop body, 10-second mounting hole, 11-semi-cylindrical groove body, 12-cone, 13-optical cable and 14-cylindrical base.
Detailed Description
The embodiments of the invention are described in further detail below with reference to the following figures:
a supporting type optical cable down-leading protection tube plugging device is characterized in that: the plugging protection device is composed of a supporting hoop 3 and a plugging protection tray 5, wherein the plugging protection tray is nested in the supporting hoop.
The supporting hoop is composed of two semicircular hoop bodies 9 which are symmetrical left and right, connecting sheets 8 which are perpendicular to the outer walls of the respective hoop bodies are arranged at two ends of each semicircular hoop body, connecting holes are formed in the connecting sheets, and the two semicircular hoop bodies are connected with the connecting holes at two ends through the matching of bolts and nuts; the upper end of the outer wall of the middle part of each semicircular hoop body extends outwards horizontally to be provided with a bearing sheet 2, and the bearing sheet is provided with a first mounting hole 7.
The plugging protection tray is formed by splicing two semi-cylindrical groove bodies 11 which are symmetrical to each other left and right, the upper end and the inner side of each semi-cylindrical groove body are of an open structure, semicircular openings are symmetrically arranged at intervals on the edge of the bottom surface of each semi-cylindrical groove body, after the two semi-cylindrical groove bodies are spliced, the left and right openings form a threading hole 6, mounting pieces 1 are mounted on the upper end surface of the middle part of each semi-cylindrical groove body corresponding to the positions for supporting the hoop bearing pieces, and second mounting holes 10 are arranged on each mounting piece corresponding to the positions of the first mounting holes; each semi-cylindrical groove body is connected to the inner side of each corresponding semi-cylindrical hoop body through the matching of a bolt, a first mounting hole of a nut and a second mounting hole.
The connecting hole is a threaded hole.
The number of the threading holes is 3, and the three threading holes are arranged on the bottom surface of the plugging protection tray along the radial direction every 1/4 diameters.
The inner diameter of the supporting anchor ear is matched with the outer diameter of the optical cable leading-down protection tube 4, and the outer diameter of the plugging protection tray is matched with the inner diameter of the optical cable leading-down protection tube.
A method for plugging a support type optical cable down-leading protection tube is innovative in that: the method comprises the following steps:
firstly, one worker holds two supporting hoops and places the supporting hoops at the top end of the optical cable down-leading protection tube, the other worker fixes the two supporting hoops into a whole by using bolts and nuts, and the supporting hoops and the optical cable down-leading protection tube are tightly fixed at the moment;
secondly, the worker places the plugging protection tray inside the optical cable down-leading protection tube, connects the two semi-cylindrical groove bodies on the plugging protection tray with the two semi-circular hoop bodies of the supporting hoop respectively, and penetrates out the optical cable 13 from a threading hole formed by the two semi-cylindrical groove bodies;
thirdly, filling the plugging protection tray with plugging fireproof mortar by workers, wherein the plugging fireproof mortar comprises the inner part of the plugging protection tray and a gap between the plugging fireproof mortar and the optical cable leading-down protection tube, and tamping the plugging fireproof mortar with a tool while filling to form a cylindrical base 14;
and fourthly, forming a cone 12 with a vertex angle of 60 degrees on the formed cylindrical base by using the plugging fireproof daub, wherein the bottom surface of the cone covers the gap between the plugging protection tray and the optical cable down-leading protection tube to prevent rainwater from remaining and permeating.
The tool is a cleaver or a rubber hammer.
The height of the cylindrical base is parallel to or higher than the upper end surface of the plugging protection tray.
The plugging device and the construction method plug all protection tubes of the guide optical cable in the transformer substation, can thoroughly solve the problem that plugging mud in the protection tubes is accumulated water and becomes ice, improve the reliability of the operation optical cable, and do not need repeated plugging. Saving a large amount of manpower and material resources. Meanwhile, the device is convenient to use and firm in structure.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (10)
1. The utility model provides a support formula optical cable draws down protection tube plugging device which characterized in that: the plugging protection device is composed of a support hoop and a plugging protection tray, wherein the plugging protection tray is nested in the support hoop.
2. The apparatus of claim 1, wherein the protective tube comprises: the supporting hoop is composed of two semicircular hoop bodies which are symmetrical left and right, connecting sheets which are perpendicular to the outer walls of the respective hoop bodies are arranged at two ends of each semicircular hoop body, connecting holes are formed in the connecting sheets, and the two semicircular hoop bodies are connected with the connecting holes at two ends through the matching of bolts and nuts; the upper end of the outer wall of the middle part of each semicircular hoop body extends outwards horizontally to be provided with a bearing sheet, and the bearing sheet is provided with a first mounting hole.
3. The apparatus of claim 2, wherein the protective tube comprises: the connecting hole is a threaded hole.
4. The apparatus of claim 2, wherein the protective tube comprises: the plugging protection tray is formed by splicing two semi-cylindrical groove bodies which are symmetrical left and right, the upper end and the inner side of each semi-cylindrical groove body are of an open structure, semicircular openings are symmetrically arranged at intervals on the edge of the bottom surface of each semi-cylindrical groove body, the left and right openings form threading holes after the two semi-cylindrical groove bodies are spliced, mounting pieces are mounted on the upper end surface of the middle part of each semi-cylindrical groove body corresponding to the positions for supporting the hoop bearing pieces, and second mounting holes are arranged on each mounting piece corresponding to the positions of the first mounting holes; each semi-cylindrical groove body is connected to the inner side of each corresponding semi-cylindrical hoop body through the matching of a bolt, a first mounting hole of a nut and a second mounting hole.
5. The apparatus of claim 4, wherein the protective tube comprises: the threading holes are 2-5 evenly arranged at intervals.
6. The apparatus of claim 4, wherein the protective tube comprises: the number of the threading holes is 3, and the three threading holes are arranged on the bottom surface of the plugging protection tray along the radial direction every 1/4 diameters.
7. The apparatus of claim 1, wherein the protective tube comprises: the inner diameter of the supporting anchor ear is matched with the outer diameter of the optical cable leading-down protection tube, and the outer diameter of the plugging protection tray is matched with the inner diameter of the optical cable leading-down protection tube.
8. A method for plugging a supporting optical cable down-guide protection tube according to claim 1, wherein: the method comprises the following steps:
firstly, one worker holds two supporting hoops and places the supporting hoops at the top end of the optical cable down-leading protection tube, the other worker fixes the two supporting hoops into a whole by using bolts and nuts, and the supporting hoops and the optical cable down-leading protection tube are tightly fixed at the moment;
secondly, the blocking protection tray is placed inside the optical cable down-leading protection tube by a worker, the two semi-cylindrical groove bodies on the blocking protection tray are respectively connected with the two semi-circular hoop bodies of the supporting hoop, and the optical cable penetrates out from a threading hole formed by the two semi-cylindrical groove bodies;
thirdly, filling the plugging protection tray with plugging fireproof mortar by workers, and tamping the plugging fireproof mortar with a tool while filling to form a cylindrical base;
and fourthly, forming a cone with the apex angle of 60 degrees on the formed cylindrical base by using the plugging fireproof daub.
9. The method for plugging a supporting type optical cable down-leading protection tube according to claim 8, wherein: the tool is a cleaver or a rubber hammer.
10. The method for plugging a supporting type optical cable down-leading protection tube according to claim 8, wherein: the height of the cylindrical base is parallel to or higher than the upper end surface of the plugging protection tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010454744.6A CN111722334A (en) | 2020-05-26 | 2020-05-26 | Plugging device and method for supporting type optical cable down-leading protection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010454744.6A CN111722334A (en) | 2020-05-26 | 2020-05-26 | Plugging device and method for supporting type optical cable down-leading protection tube |
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| Publication Number | Publication Date |
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| CN111722334A true CN111722334A (en) | 2020-09-29 |
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| CN202010454744.6A Pending CN111722334A (en) | 2020-05-26 | 2020-05-26 | Plugging device and method for supporting type optical cable down-leading protection tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600156A (en) * | 2020-12-22 | 2021-04-02 | 国家电网有限公司 | Power cable wiring protection device |
-
2020
- 2020-05-26 CN CN202010454744.6A patent/CN111722334A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600156A (en) * | 2020-12-22 | 2021-04-02 | 国家电网有限公司 | Power cable wiring protection device |
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