CN212364666U - Supporting type optical cable down-leading protection tube plugging device - Google Patents
Supporting type optical cable down-leading protection tube plugging device Download PDFInfo
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- CN212364666U CN212364666U CN202020904105.0U CN202020904105U CN212364666U CN 212364666 U CN212364666 U CN 212364666U CN 202020904105 U CN202020904105 U CN 202020904105U CN 212364666 U CN212364666 U CN 212364666U
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- 238000010276 construction Methods 0.000 description 6
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- 230000005540 biological transmission Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a support formula optical cable and draw down protection tube plugging device, its 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 utility model discloses still relate to a support formula optical cable draws down protection tube shutoff method, its characterized in that: 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 utility model has the advantages of scientific and reasonable design, have that the shutoff protection is effectual, simple to operate, long service life, easily realization, be a support formula optical cable that has higher novelty draws down protection tube plugging device.
Description
Technical Field
The utility model belongs to the technical field of power equipment, a protection tube is drawn down to optical cable is related to, especially a protection tube plugging device is drawn down to support formula optical cable.
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
An object of the utility model is to overcome prior art not enough, provide a protection tube plugging device is drawn down to support formula optical cable that shutoff protection effect is good, simple to operate, long service life, easily realize.
The utility model provides a its technical problem take following technical scheme to realize:
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.
The utility model has the advantages that:
1. the blocking device for the support type optical cable down-leading protection pipe 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 utility model has the advantages of scientific and reasonable design, have that the shutoff protection is effectual, simple to operate, long service life, easily realization, be a support formula optical cable that has higher novelty draws down protection tube plugging device.
Drawings
Fig. 1 is an assembly view (cross-sectional view) 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 supporting hoop assembled on the optical cable guiding protection tube of the present invention;
fig. 4 is a schematic structural view of one of the semi-cylindrical groove bodies of the plugging protection tray of the present invention;
fig. 5 is a schematic structural view of the assembly of the plugging protection tray of the present invention on the optical cable down-leading protection tube;
fig. 6 is a state diagram after the construction of the utility model.
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 present invention will be described in detail with reference to the accompanying drawings:
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.
During construction, 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 present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (7)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020904105.0U CN212364666U (en) | 2020-05-26 | 2020-05-26 | Supporting type optical cable down-leading protection tube plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020904105.0U CN212364666U (en) | 2020-05-26 | 2020-05-26 | Supporting type optical cable down-leading protection tube plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212364666U true CN212364666U (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020904105.0U Active CN212364666U (en) | 2020-05-26 | 2020-05-26 | Supporting type optical cable down-leading protection tube plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212364666U (en) |
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2020
- 2020-05-26 CN CN202020904105.0U patent/CN212364666U/en active Active
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