CN112600156A - Power cable wiring protection device - Google Patents
Power cable wiring protection device Download PDFInfo
- Publication number
- CN112600156A CN112600156A CN202011523661.4A CN202011523661A CN112600156A CN 112600156 A CN112600156 A CN 112600156A CN 202011523661 A CN202011523661 A CN 202011523661A CN 112600156 A CN112600156 A CN 112600156A
- Authority
- CN
- China
- Prior art keywords
- cable
- cable protection
- protection pipe
- side wall
- outer side
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0418—Covers or lids; Their fastenings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/04—Installations of electric cables or lines in or on the ground or water in surface ducts; Ducts or covers therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a power cable wiring protection device, which comprises a cable protection pipe, a bracket hung and sleeved on an upper port of the cable protection pipe, and a plugging seat for plugging the upper port of the cable protection pipe; the lateral wall of the cable protective pipe is provided with an axial opening, the outer lateral wall of the cable protective pipe is fixedly connected with two fixing lug pieces, and the two fixing lug pieces are fastened by a fastening bolt. According to the invention, when the cable is already at a fixed position on the ground, the cable protection pipe is sleeved outside the cable through the axial gap, and is convenient to take down and replace; the bracket supports the lower part of the fireproof daub, and when the adhesion force of the fireproof daub with the cable protection pipe and the cable is reduced after expansion with heat and contraction with cold due to the influence of outside weather, the fireproof daub is supported by the supporting plate of the bracket, so that the problem that the fireproof daub cracks and collapses into the cable protection pipe to cause the plugging failure of the pipe orifice can be avoided; an insulating plugging seat is additionally arranged at the upper port of the cable protection pipe, and the cable is tightly plugged at the upper port of the cable protection pipe.
Description
Technical Field
The invention relates to a power cable wiring protection device, and belongs to the technical field of power devices.
Background
The power cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion; a wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation.
At present, two carriers of power transmission are overhead line transmission and cable transmission, overhead lines need to be erected with an air corridor for transmission, cables are buried underground or transmitted through underground pipelines and the like, and when the cables go out of the ground, the cables are led out of the ground by cable terminal towers and are butted with equipment such as the overhead lines or a transformer substation. The cable protection pipe is installed to protect the cable when the cable goes out of the ground, and the cable protection pipe is mostly sleeved at the position of the grounding cable at present.
The existing power cable protection has the following problems: when the cable is laid out of the ground, the cable passes through the protection tube for protection, but the cable is inconvenient to take down when the protection tube is replaced; the pipe orifice of the protection pipe needs to be plugged, the pipe orifice is plugged mainly by smearing cement or fireproof daub at present, after a long time, cracking and collapse are easy to occur, so that plugging failure is caused, potential safety hazards are generated, air enters into the cable pipe, and when the cable pipe is burnt at the connection position with the ground, burning cannot be blocked, so that burning is spread along the power cable; in addition, after plugging fails, in rainy and snowy weather, accumulated water in the cable protective tube causes line faults, and the problem that mice or other animals enter the protective tube to bite the cable is also caused, so that the cable faults in the sleeve are easily caused.
Therefore, how to improve the protection effect of the power cable connection is a problem that needs to be solved urgently.
Disclosure of Invention
The invention aims to solve the technical problem of providing a power cable wiring protection device which is convenient to replace, good in pipe orifice plugging effect and high in safety performance.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a power cable wiring protection device comprises a cable protection pipe, a bracket with the upper end hung and sleeved on the upper port of the cable protection pipe, and a plugging seat for plugging the upper port of the cable protection pipe;
the cable wire is arranged in the cable protective tube after penetrating through the plugging seat;
the bracket is positioned in an annular cavity formed between the inner side wall of the cable protective pipe and the outer side wall of the cable;
the cable protection tube is characterized in that an axial opening is formed in the side wall of the cable protection tube, two fixing lug pieces are fixedly connected to the outer side wall of the cable protection tube, the two fixing lug pieces are located on two sides of the opening and are symmetrical, bolt fixing holes are formed in the fixing lug pieces, and fastening bolts penetrate through the opposite bolt fixing holes to fasten the two fixing lug pieces.
As a further improvement of the invention, the lower end of the outer side of the cable protection pipe is fixedly connected with fixed feet, the fixed feet are provided with positioning and mounting holes for fixing on the ground, and the number of the fixed feet is more than three.
As a further improvement of the invention, the bracket is filled with fireproof daub positioned in the cable protective tube.
As a further improvement of the invention, the bracket comprises a cylindrical barrel, a supporting plate and an externally hanging ring, wherein one end of the supporting plate is fixedly connected to the inner side of the lower end of the cylindrical barrel, and the externally hanging ring is fixedly connected to the outer side of the upper end of the cylindrical barrel;
an annular groove used for hanging and sleeving an upper port of the cable protection pipe is formed between the outer hanging ring and the outer side wall of the cylindrical barrel.
As a further improvement of the invention, the other end of the supporting plate is fixedly connected with a vertical flange which is attached to the outer side wall of the cable in a surrounding manner.
As a further improvement of the invention, the supporting plate is an arc-shaped plate which is obliquely inclined upwards from the cylindrical barrel to the vertical baffle edge; an expansion joint is arranged between two adjacent arc plates.
As a further improvement of the invention, the plugging seat comprises an upper sleeve, a middle seat body and a lower sleeve which are fixedly connected from top to bottom in sequence;
and a separation seam which vertically penetrates through the upper sleeve, the middle seat body and the lower sleeve is formed in the side wall of the plugging seat.
As a further improvement of the invention, the lower sleeve is provided with a containing groove for clamping and sleeving the upper port of the cable protection pipe, the lower end of the side wall of the containing groove is fixedly connected with an inward turned edge, and the end part of the turned edge is attached to the outer side wall of the cable protection pipe.
As a further improvement of the invention, the inner side wall of the accommodating groove and the outer side wall of the cable protection pipe form an annular cavity for placing the outer hanging ring.
As a further improvement of the invention, the outer side of the upper sleeve is provided with an upper annular groove, and the number of the upper annular grooves is more than two;
a lower annular groove is formed in the outer side of the lower sleeve;
the binding belts are respectively wound in the upper annular groove and the lower annular groove so as to tightly bind the upper sleeve on the cable wire and tightly bind the lower sleeve outside the upper port of the cable protective pipe.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the side wall of the cable protection pipe adopted by the invention is provided with the axial opening, so that when the cable is already at a fixed position on the ground, the cable protection pipe is sleeved outside the cable through the axial opening, and meanwhile, the cable protection pipe is convenient to take down and replace; the bracket supports the lower part of the fireproof daub, and when the adhesion force of the fireproof daub with the cable protection pipe and the cable is reduced after expansion with heat and contraction with cold due to the influence of outside weather, the fireproof daub is supported by the supporting plate of the bracket, so that the problem that the fireproof daub cracks and collapses into the cable protection pipe to cause the plugging failure of the pipe orifice can be avoided; install insulating shutoff seat additional at cable protecting tube upper port, carry out closely the shutoff with the cable conductor in the upper port department of cable protecting tube, the separation seam of seting up on by the shutoff seat lateral wall overlaps the shutoff seat to the cable conductor on, the lower part sleeve and the preferred elastic rubber material that adopts of upper portion sleeve of shutoff seat, tightly cable conductor and cable protecting tube by its elastic sleeve, thereby prevent to get into the cable protecting tube through the gap of bracket with the cable protecting tube at ponding that sleet weather produced, lead to the circuit to break down, also avoid taking place mouse or other animals to get into to gnaw in the protecting tube and sting the problem of cable conductor, make the cable fault in the cover easily.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an assembled structure of the plugging seat of the present invention;
FIG. 3 is a schematic view of the assembled structure of the bracket of the present invention;
FIG. 4 is an enlarged schematic view of section A of FIG. 3;
FIG. 5 is a schematic top view of the cable containment tube of the present invention;
FIG. 6 is a cross-sectional structural view of the bracket of the present invention;
FIG. 7 is a schematic top view of the bracket of the present invention;
FIG. 8 is a schematic structural view of a plugging seat according to an embodiment;
FIG. 9 is a schematic structural view of a second block seat according to an embodiment.
Wherein:
the cable protection device comprises a cable protection pipe 1, a plugging seat 2, an upper sleeve 21, a middle seat 22, a containing groove 23, a flanging 24, a lower sleeve 25, a lower annular groove 26, an upper annular groove 27, a fixing lug 3, a bolt fixing hole 4, a cable 5, a bracket 6, a supporting plate 61, an outer hanging ring 62, a vertical flange 63, an expansion joint 64, fireproof daub 7, a fastening bolt 8, a fixing anchor 9 and a separation joint 10.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting.
Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Example one
As shown in the figures 1-8 of the drawings,
a power cable wiring protection device comprises a cable protection tube 1, a bracket 6 with the upper end hung and sleeved on the upper port of the cable protection tube 1, and a plugging seat 2 for plugging the upper port of the cable protection tube 1;
the cable 5 passes through the plugging seat 2 and then is arranged in the cable protection pipe 1;
the bracket 6 is positioned in an annular cavity formed between the inner side wall of the cable protective pipe 1 and the outer side wall of the cable 5;
the cable protection tube comprises a cable protection tube 1 and is characterized in that an axial opening is formed in the side wall of the cable protection tube 1, two fixing lug pieces 3 are fixedly connected to the outer side wall of the cable protection tube 1, the two fixing lug pieces 3 are located on two sides of the opening and are symmetrical, bolt fixing holes 4 are formed in the fixing lug pieces 3, and fastening bolt pieces 8 penetrate through the opposite bolt fixing holes 4 to fasten the two fixing lug pieces 3.
Further, the outer side lower extreme fixedly connected with fixed lower margin 9 of cable protective tube 1, set up on the fixed lower margin 9 and be used for fixing the subaerial location mounting hole, the quantity of fixed lower margin 9 is more than three.
Further, the bracket 6 is filled with fireproof daub 7 positioned in the cable protection pipe 1.
Further, the bracket 6 comprises a cylindrical barrel, a supporting plate 61 with one end fixedly connected to the inner side of the lower end of the cylindrical barrel, and an externally hanging ring 62 fixedly connected to the outer side of the upper end of the cylindrical barrel;
an annular groove for hanging and sleeving the upper port of the cable protection pipe 1 is formed between the outer hanging ring 62 and the outer side wall of the cylindrical barrel.
Further, the other end of the supporting plate 61 is fixedly connected with a vertical rib 63, and the vertical rib 63 is attached to the outer side wall of the cable 5 in a surrounding manner.
Further, the supporting plate 61 is an arc-shaped plate which is inclined upwards from the cylindrical barrel to the vertical blocking edge 63; an expansion joint 64 is arranged between two adjacent arc-shaped plates.
Further, the plugging seat 2 comprises an upper sleeve 21, a middle seat body 22 and a lower sleeve 25 which are fixedly connected in sequence from top to bottom;
the side wall of the plugging seat 2 is provided with a separation seam 10 which vertically penetrates through the upper sleeve 21, the middle seat body 22 and the lower sleeve 25.
Further, the lower sleeve 25 is provided with a holding groove 23 for clamping the upper port of the cable protection tube 1, the lower end of the side wall of the holding groove 23 is fixedly connected with a turned edge 24 turned inwards, and the end part of the turned edge 24 is attached to the outer side wall of the cable protection tube 1.
Further, the inner side wall of the accommodating groove 23 and the outer side wall of the cable protection tube 1 form an annular cavity for placing the outer hanging ring 62.
The side wall of the cable protection tube 1 adopted in the embodiment is provided with the axial opening, so that when the cable 5 is already at a fixed position on the ground, the cable protection tube 1 is sleeved outside the cable 5 through the axial opening, and is convenient to take down and replace; the bracket 6 is used for supporting the fireproof daub 7 below the fireproof daub 7, and when the adhesion force between the fireproof daub 7 and the cable protection pipe 1 and the cable 6 is reduced due to the influence of outside weather after the fireproof daub 7 expands with heat and contracts with cold, the supporting plate 61 of the bracket 6 is used for supporting the fireproof daub 7, so that the problem that the fireproof daub 7 cracks and sinks into the cable protection pipe 1 to cause the blockage failure of a pipe opening can be avoided; install insulating shutoff seat 2 additional at 1 upper port of cable protective tube, carry out closely the shutoff with cable conductor 5 in the upper port department of cable protective tube 1, the parting joint 10 of seting up on 2 lateral walls of shutoff seat overlaps shutoff seat 2 to cable conductor 5 on, the preferred elastic rubber material that adopts of lower part sleeve 25 and upper portion sleeve 21 of shutoff seat 2, tightly cable conductor 5 and cable protective tube 1 by its elastic sleeve, thereby prevent that ponding that produces at sleet weather from getting into cable protective tube 1 through the gap of bracket 6 with cable protective tube 1, lead to the circuit to produce the trouble, also avoid taking place mouse or other animals and get into the problem that gnaws the cable conductor in the protective tube, make the cable trouble in the cover easily.
Example two
As shown in figures 1-7 and 9,
the embodiment is further optimized on the basis of the first embodiment, so that the plugging seat 2 plugs the upper port of the cable protection tube 1 more stably, and the specific structure is as follows:
an upper annular groove 27 is formed in the outer side of the upper sleeve 21, and the number of the upper annular grooves 27 is more than two;
a lower annular groove 26 is formed in the outer side of the lower sleeve 25;
through the strapping respectively around in upper annular groove 27 and lower annular groove 26 to tighten upper portion sleeve 21 on cable conductor 5, tighten lower portion sleeve 25 in the cable protective tube 1 upper port outside, fasten more, avoid upper portion sleeve 21 and lower portion sleeve 25 ageing not hard up.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a power cable wiring protector which characterized in that: comprises a cable protection pipe (1), a bracket (6) with the upper end hung and sleeved on the upper port of the cable protection pipe (1), and a plugging seat (2) for plugging the upper port of the cable protection pipe (1);
the cable (5) passes through the plugging seat (2) and then is arranged in the cable protection pipe (1);
the bracket (6) is positioned in an annular cavity formed between the inner side wall of the cable protective pipe (1) and the outer side wall of the cable (5);
the cable protection tube is characterized in that an axial opening is formed in the side wall of the cable protection tube (1), two fixing lug pieces (3) are fixedly connected to the outer side wall of the cable protection tube (1), the two fixing lug pieces (3) are located on two sides of the opening and are symmetrical, bolt fixing holes (4) are formed in the fixing lug pieces (3), and fastening bolt pieces (8) penetrate through the opposite bolt fixing holes (4) to fasten the two fixing lug pieces (3).
2. A power cable splice protector as claimed in claim 1, in which: the cable protection tube is characterized in that the lower end of the outer side of the cable protection tube (1) is fixedly connected with a fixed anchor (9), a positioning mounting hole used for being fixed on the ground is formed in the fixed anchor (9), and the number of the fixed anchors (9) is more than three.
3. A power cable splice protector as claimed in claim 1, in which: and the bracket (6) is filled with fireproof cement (7) positioned in the cable protection pipe (1).
4. A power cable splice protector as claimed in claim 3, in which: the bracket (6) comprises a cylindrical barrel, a supporting plate (61) with one end fixedly connected to the inner side of the lower end of the cylindrical barrel and an externally hanging ring (62) fixedly connected to the outer side of the upper end of the cylindrical barrel;
an annular groove used for hanging and sleeving an upper port of the cable protection pipe (1) is formed between the outer hanging ring (62) and the outer side wall of the cylindrical barrel.
5. A power cable splice protector as claimed in claim 4, in which: the other end of the supporting plate (61) is fixedly connected with a vertical rib (63), and the vertical rib (63) is attached to the outer side wall of the cable (5) in a surrounding mode.
6. A power cable splice protector as claimed in claim 5, in which: the supporting plate (61) is an arc-shaped plate which is obliquely inclined upwards from the cylindrical barrel to the vertical flange (63); an expansion joint (64) is arranged between two adjacent arc-shaped plates.
7. A power cable splice protector as claimed in claim 6, in which: the plugging seat (2) comprises an upper sleeve (21), a middle seat body (22) and a lower sleeve (25) which are fixedly connected from top to bottom in sequence;
the side wall of the plugging seat (2) is provided with a separation seam (10) which vertically penetrates through the upper sleeve (21), the middle seat body (22) and the lower sleeve (25).
8. A power cable splice protector as claimed in claim 7, in which: the lower sleeve (25) is provided with a containing groove (23) used for clamping an upper port of the cable protection pipe (1), the lower end of the side wall of the containing groove (23) is fixedly connected with a flanging edge (24) which is turned inwards, and the end part of the flanging edge (24) is attached to the outer side wall of the cable protection pipe (1).
9. A power cable splice protector as claimed in claim 8, in which: the inner side wall of the accommodating groove (23) and the outer side wall of the cable protection pipe (1) form an annular cavity for placing an outer hanging ring (62).
10. A power cable splice protector as claimed in any one of claims 7 to 9 wherein: an upper annular groove (27) is formed in the outer side of the upper sleeve (21), and the number of the upper annular grooves (27) is more than two;
a lower annular groove (26) is formed in the outer side of the lower sleeve (25);
the upper sleeve (21) is tightened on the cable (5) and the lower sleeve (25) is tightened outside the upper port of the cable protective tube (1) by the binding tapes respectively wound in the upper annular groove (27) and the lower annular groove (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011523661.4A CN112600156A (en) | 2020-12-22 | 2020-12-22 | Power cable wiring protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011523661.4A CN112600156A (en) | 2020-12-22 | 2020-12-22 | Power cable wiring protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112600156A true CN112600156A (en) | 2021-04-02 |
Family
ID=75200055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011523661.4A Pending CN112600156A (en) | 2020-12-22 | 2020-12-22 | Power cable wiring protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112600156A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204928003U (en) * | 2015-08-28 | 2015-12-30 | 国家电网公司 | Can dismantle and wear protective case on cable |
| CN205377205U (en) * | 2015-11-30 | 2016-07-06 | 吴华林 | Effective supporting device of cable protection |
| CN205429676U (en) * | 2015-11-30 | 2016-08-03 | 吴华林 | Take supporting device's cable protection pipe fireproof sealing |
| CN206685860U (en) * | 2017-05-20 | 2017-11-28 | 国网湖北省电力公司荆门供电公司 | Plugging type cable enters ground protector |
| CN206931953U (en) * | 2017-06-16 | 2018-01-26 | 国网河南镇平县供电公司 | A kind of separating-closing type power cable protecting tube |
| CN107947066A (en) * | 2017-12-27 | 2018-04-20 | 国网山东省电力公司蓬莱市供电公司 | Capping is sealed on a kind of cable protection pipe |
| CN207530478U (en) * | 2017-10-11 | 2018-06-22 | 苏州东亚电力设备有限公司 | A kind of power cable protecting pipe nozzle block head |
| CN208046193U (en) * | 2018-03-29 | 2018-11-02 | 浙江亿安电力电子科技有限公司 | A kind of column tube cable channel plugging device |
| CN208904625U (en) * | 2018-11-02 | 2019-05-24 | 中国葛洲坝集团电力有限责任公司 | A kind of Cable Fireproof Plugging set |
| CN209389666U (en) * | 2019-03-27 | 2019-09-13 | 国网湖南省电力有限公司 | Power cable terminal protection pipe nozzle blocking component |
| CN209844264U (en) * | 2019-06-20 | 2019-12-24 | 南京永恒电器有限公司 | Switch board cable hole shutoff piece |
| CN110783867A (en) * | 2019-12-10 | 2020-02-11 | 国家电网有限公司 | Cable protection pipe plugging device |
| CN111722334A (en) * | 2020-05-26 | 2020-09-29 | 国网天津静海供电有限公司 | Plugging device and method for supporting type optical cable down-leading protection tube |
-
2020
- 2020-12-22 CN CN202011523661.4A patent/CN112600156A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204928003U (en) * | 2015-08-28 | 2015-12-30 | 国家电网公司 | Can dismantle and wear protective case on cable |
| CN205377205U (en) * | 2015-11-30 | 2016-07-06 | 吴华林 | Effective supporting device of cable protection |
| CN205429676U (en) * | 2015-11-30 | 2016-08-03 | 吴华林 | Take supporting device's cable protection pipe fireproof sealing |
| CN206685860U (en) * | 2017-05-20 | 2017-11-28 | 国网湖北省电力公司荆门供电公司 | Plugging type cable enters ground protector |
| CN206931953U (en) * | 2017-06-16 | 2018-01-26 | 国网河南镇平县供电公司 | A kind of separating-closing type power cable protecting tube |
| CN207530478U (en) * | 2017-10-11 | 2018-06-22 | 苏州东亚电力设备有限公司 | A kind of power cable protecting pipe nozzle block head |
| CN107947066A (en) * | 2017-12-27 | 2018-04-20 | 国网山东省电力公司蓬莱市供电公司 | Capping is sealed on a kind of cable protection pipe |
| CN208046193U (en) * | 2018-03-29 | 2018-11-02 | 浙江亿安电力电子科技有限公司 | A kind of column tube cable channel plugging device |
| CN208904625U (en) * | 2018-11-02 | 2019-05-24 | 中国葛洲坝集团电力有限责任公司 | A kind of Cable Fireproof Plugging set |
| CN209389666U (en) * | 2019-03-27 | 2019-09-13 | 国网湖南省电力有限公司 | Power cable terminal protection pipe nozzle blocking component |
| CN209844264U (en) * | 2019-06-20 | 2019-12-24 | 南京永恒电器有限公司 | Switch board cable hole shutoff piece |
| CN110783867A (en) * | 2019-12-10 | 2020-02-11 | 国家电网有限公司 | Cable protection pipe plugging device |
| CN111722334A (en) * | 2020-05-26 | 2020-09-29 | 国网天津静海供电有限公司 | Plugging device and method for supporting type optical cable down-leading protection tube |
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Application publication date: 20210402 |
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| RJ01 | Rejection of invention patent application after publication |