CN112467469B - Protection device for communication cable - Google Patents
Protection device for communication cable Download PDFInfo
- Publication number
- CN112467469B CN112467469B CN202011221518.XA CN202011221518A CN112467469B CN 112467469 B CN112467469 B CN 112467469B CN 202011221518 A CN202011221518 A CN 202011221518A CN 112467469 B CN112467469 B CN 112467469B
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- China
- Prior art keywords
- shell
- cable
- wire feeding
- block
- clamping
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- 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.)
- Expired - Fee Related
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Flexible Shafts (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a protective device for a communication cable, which relates to the technical field of communication equipment and comprises a shell, the shell is internally provided with the fixed pulley, the pull rope, the wire feeding mechanism, the clamping assembly and the contact assembly, the invention has simple structure and convenient operation, by arranging the electromagnet and the permanent magnet, the automatic detection of whether the cable is disconnected can be realized, when the cable is disconnected, the magnetic field disappears, the slide block moves downwards to drive the clamping block to be away from the clamping block, and simultaneously drives the wire feeding assembly in the middle of the shell to feed the cable into the placing groove and realize contact through the hinged plate and the connecting iron, after the cable is connected, the slide block moves upwards to drive the wire feeding component close to the edge of the shell to feed a wire, a cable outside the shell is pre-stored in the shell, the two clamping blocks are driven by the spring II to close, the cable in the placing groove is clamped, and the disconnected cable is reconnected under the condition that the shell is not opened.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a protection device for a communication cable.
Background
The cable is in the use, and its joint slippage may appear, to the cable that connects the slippage, needs the manual work to connect it, and the workman need open the casing, then connects the cable of slippage in the casing, wastes time and energy, and to the cable far away apart from workman's position simultaneously, the workman has overtaken away and needs certain time, and this section of time can't communicate, may cause very big economic loss.
Disclosure of Invention
The present invention aims to provide a protection device for communication cables that solves the above-mentioned drawbacks of the prior art.
The utility model provides a protection device for communication cable, includes the casing, be equipped with stay cord, contact module and symmetry in the casing and set up in the centre gripping subassembly and the mechanism of sending the line of contact module left and right sides, the casing internal rotation is connected with the fixed pulley, the one end of stay cord is connected with the grip block in the centre gripping subassembly, and the other end passes through the fixed pulley to be connected with the slider in sending the line mechanism, send the line mechanism when the cable contact circular telegram, prestore the cable outside the casing in the casing, when the cable divides the outage, carry the cable of prestoring in the casing to the contact module, the contact module is used for realizing the contact circular telegram of cable, the centre gripping subassembly is used for carrying out the centre gripping to the cable after.
Preferably, the casing includes casing and lower casing, all be equipped with the clamp groove of mutually supporting on last casing and the lower casing, be equipped with the clamp that is used for fixed casing in the clamp groove.
Preferably, the clamp comprises half-clamp rings and a connecting piece, the connecting piece connects the two half-clamp rings into a whole to form a closed clamp ring, and the closed clamp ring is clamped in the clamp groove, and the connecting piece comprises a bolt and a nut matched with the bolt.
Preferably, the wire feeding mechanism comprises an electromagnet and a guide pillar which are arranged in the lower shell, the guide pillar is connected with a sliding block in a sliding mode, the guide pillar is sleeved with a first spring, one end of the first spring is connected with the sliding block, the other end of the first spring is connected with the lower shell, the sliding block is provided with a wire pushing wheel, a permanent magnet matched with the electromagnet is arranged in the sliding block, and wire feeding assemblies matched with the sliding block are symmetrically arranged on the left side and the right side of the sliding block.
Preferably, the wire feeding assembly comprises a rack, a first gear, a second gear and a wire feeding wheel, the rack and the sliding block are integrally formed, the wire feeding wheel is rotatably connected with the lower shell through a rotating shaft, the second gear is connected with the rotating shaft through a one-way bearing, the first gear is rotatably connected with the lower shell, and the first gear is meshed with the rack and the second gear respectively.
Preferably, the contact assembly comprises a placing block, the placing block is provided with a placing groove and an opening communicated with the placing groove, the placing block is internally provided with connecting iron corresponding to the placing groove, the placing block is internally hinged with a hinged plate, and a spring III is connected between the hinged plate and the placing block.
Preferably, the clamping assembly comprises a clamping block corresponding to the opening, the clamping block is slidably connected with the shell through a limiting block, and a second spring is connected between the clamping block and the shell.
Preferably, the left end and the right end of the shell are both provided with tapered grooves communicated with the guide grooves.
Preferably, the bottom of the lower shell is welded with a mounting seat.
The invention has the advantages that: simple structure, the simple operation, through setting up electro-magnet and permanent magnet, can realize carrying out automated inspection to the disconnection of cable, when the cable disconnection, the magnetic field that the electro-magnet produced disappears, the slider moves down and drives two grip blocks and keep away from, the slider moves down the line subassembly that send that drives the casing middle part simultaneously and sends the line, will reserve one section cable transport to the standing groove in the casing, two cables in the standing groove realize the contact through articulated slab and tie bar, the back is connected to the cable, the magnetic field that the electro-magnet produced, the slider shifts up, it sends the line to drive the line subassembly that send that is close to the casing edge, prestore one section in the casing with the outer cable of casing, the slider shifts up simultaneously, can drive two grip blocks through spring two and be close to, press from both sides tight the cable in the standing groove, realized carrying out the reconnection to the cable of disconnection under the condition of not opening the casing.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the lower case of the present invention.
FIG. 3 is a schematic structural view of a wire feeding mechanism and a clamping assembly according to the present invention.
Fig. 4 is a schematic structural view of the connection between the clamping block and the contact assembly according to the present invention.
Fig. 5 is a top cross-sectional view of a contact assembly of the present invention.
Wherein, 1-shell, 11-upper shell, 12-lower shell, 121-mounting seat, 13-clamp groove, 2-clamp, 21-semi-clamp, 22-connecting piece, 221-bolt, 222-nut, 3-wire feeding mechanism, 31-electromagnet, 32-slide block, 33-guide post, 34-spring I, 35-permanent magnet, 36-wire pushing wheel, 37-rack, 38-gear I, 39-gear II, 40-wire feeding wheel, 4-cable, 5-clamping component, 51-clamping block, 52-spring II, 53-limiting block, 6-conical groove, 7-fixed pulley, 8-pull rope, 9-contact component, 91-placing block, 92-placing groove, 93-opening, 94-connecting iron, 95-hinged plate, 96-spring three.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, a protection device for a communication cable comprises a housing 1, a pull rope 8, a contact assembly 9, a clamping assembly 5 and a wire feeding mechanism 3 symmetrically arranged at the left and right sides of the contact assembly 9 are arranged in the housing 1, a fixed pulley 7 is rotatably connected in the shell 1, one end of the pull rope 8 is connected with a clamping block 51 in the clamping assembly 5, the other end is connected with a slide block 32 in the wire feeding mechanism 3 through the fixed pulley 7, the wire feeding mechanism 3 prestores the cable 4 outside the shell 1 in the shell 1 when the cable 4 is in contact with and electrified, when the cable 4 is disconnected, the cable 4 pre-stored in the housing 1 is conveyed to the contact assembly 9, the contact assembly 9 is used for realizing contact electrification of the cable 4, and the clamping assembly 5 is used for clamping the cable 4 after contact electrification, and it should be noted that the cable 4 in the application is peeled before entering the housing 1.
In this embodiment, casing 1 includes casing 11 and lower casing 12, all be equipped with the clamp groove 13 of mutually supporting on casing 11 and the lower casing 12, be equipped with the clamp 2 that is used for fixed casing 1 in the clamp groove 13, be convenient for opening and closing of casing 1 through setting up casing 11 and lower casing 12.
In this embodiment, the clamp 2 includes half-clamp rings and a connecting member 22, the connecting member 22 connects the two half-clamp rings to form a closed clamp ring integrally and is clamped in the clamp groove 13, the connecting member 22 includes a bolt 221 and a nut 222 engaged with the bolt 221, and the two half-clamp rings can be fixedly connected to form a closed clamp ring through the bolt 221 and the nut 222, so as to fix the upper shell 11 and the lower shell 12, and the upper shell 11 and the lower shell 12 form a shell 1.
In this embodiment, the wire feeding mechanism 3 includes an electromagnet 31 and a guide post 33 installed in the lower housing 12, the guide post 33 is slidably connected to a slider 32, the guide post 33 is sleeved with a first spring 34, one end of the first spring 34 is connected to the slider 32, the other end of the first spring 34 is connected to the lower housing 12, the slider 32 is provided with a wire pushing wheel 36, the slider 32 is provided with a permanent magnet 35 matching with the electromagnet 31, the left and right sides of the slider 32 are symmetrically provided with wire feeding assemblies matching with the slider 32, the housing 1 is provided with a guide groove for limiting the moving cable 4, when the cables 4 at the two ends are contacted, the electromagnet 31 generates a magnetic field, the slider 32 is pushed by the permanent magnet 35 to move towards the contact assembly 9, the first spring 34 is stretched, and in the moving process of the slider 32, the wire feeding assembly at one side of the slider 32 far from the contact assembly 9 works to drive the cable 4 outside the housing 1 to move towards the slider 32, the cable 4 that moves to the casing 1 is pushed to 36 wheels of push away on the slider 32, cable 4 is placed in casing 1 for the V font, the cable 4 that the grip block 51 in the centre gripping subassembly 5 placed the groove 92 under the effect of spring two 52 presss from both sides tightly simultaneously, when the cable 4 disconnection at both ends, magnetic field disappears, spring one 34 resets, slider 32 moves to keeping away from contact assembly 9 direction, the work of the assembly of sending the line of slider 32 opposite side, drive cable 4 in the casing 1 and move to connection iron 94 direction through the standing groove 92, grip block 51 in the centre gripping subassembly 5 separates under the effect of stay cord 8 simultaneously, be convenient for two cable 4's the removal to connection iron 94.
In this embodiment, the wire feeding assembly includes a rack 37, a first gear 38, a second gear 39 and a wire feeding wheel 40, the rack 37 and the slider 32 are integrally formed, the wire feeding wheel 40 is rotatably connected to the lower housing 12 through a rotating shaft, the second gear 39 is connected to the rotating shaft through a one-way bearing, the first gear 38 is rotatably connected to the lower housing 12, the first gear 38 is engaged with the second gear 39 and the rack 37, respectively, when the slider 32 moves to a side away from the clamping assembly 5, the rack 37 drives the first gear 38 to rotate, the first gear 38 drives the second gear 39 to rotate, the second gear 39 at a side close to the contact assembly 9 drives the rotating shaft and the wire feeding wheel 40 to rotate through the one-way bearing, the cable 4 in the housing 1 is driven to move to the contact assembly 9 through the guide groove, the second gear 39 at the other side idles under the action of the one-way bearing, when the slider 32 moves to a side close to the contact assembly 9, the rack 37 drives the first gear 38 to rotate, the first gear 38 drives the second gear 39 to rotate, the second gear 39 close to one side of the contact assembly 9 idles under the action of the one-way bearing, the second gear 39 on the other side drives the rotating shaft and the wire feeding wheel 40 to rotate through the one-way bearing, the cable 4 outside the shell 1 is driven to move into the sliding block 32, the wire pushing wheel 36 on the sliding block 32 pushes the cable 4 moving into the shell 1, and the cable 4 is placed in the shell 1 in a V shape, so that the next wire feeding is facilitated.
In this embodiment, the contact assembly 9 includes a placing block 91, a placing groove 92 and an opening 93 communicated with the placing groove 92 are formed in the placing block 91, a connecting iron 94 corresponding to the placing groove 92 is arranged in the placing block 91, a hinge plate 95 is hinged in the placing block 91, a spring three 96 is connected between the hinge plate 95 and the placing block 91, the cable 4 enters the placing block 91 from the placing groove 92 through a guide groove in the housing 1, and the hinge plate 95 presses the cable 4 to contact with the connecting iron 94 to achieve communication.
In this embodiment, the clamping assembly 5 includes a clamping block 51 corresponding to the opening 93, the clamping block 51 is slidably connected to the housing 1 through a stopper 53, a second spring 52 is connected between the clamping block 51 and the housing 1, when the slider 32 moves to a side close to the contact assembly 9, the clamping block 51 approaches under the action of the second spring 52, the clamping block 51 clamps the cable 4 in the placement groove 92, when the slider 32 moves to a side far from the contact assembly 9, the clamping block 51 is far from the contact assembly 9 under the action of the pull rope 8, and the cable 4 can move in the placement groove 92.
In this embodiment, the left and right ends of the housing 1 are both provided with tapered grooves 6 communicated with the guide grooves, and the tapered grooves 6 facilitate the cables 4 to enter the housing 1.
In this embodiment, the bottom of the lower housing 12 is welded with a mounting seat 121, which facilitates the mounting of the housing 1.
The working process and principle are as follows: a worker places cables 4 in a placing groove 92, the cables 4 at two ends are communicated through a connecting iron 94 under the action of a hinged plate 95, an electromagnet 31 generates a magnetic field, a permanent magnet 35 pushes a sliding block 32 to move towards a contact assembly 9, a spring I34 is stretched, when the sliding block 32 moves towards one side close to the contact assembly 9, a rack 37 drives a gear I38 to rotate, the gear I38 drives a gear II 39 to rotate, the gear II 39 close to one side of the contact assembly 9 idles under the action of a one-way bearing, the gear II 39 at the other side drives a rotating shaft and a wire feeding wheel 40 to rotate through the one-way bearing, the cables 4 outside a shell 1 are driven to move towards the sliding block 32, a wire pushing 36 wheel on the sliding block 32 pushes the cables 4 moving into the shell 1, the cables 4 are placed in the shell 1 in a V shape, meanwhile, two clamping blocks 51 approach under the action of the spring II 52 to clamp the cables 4 in the placing groove 92, when the cables 4 at the two ends are disconnected, the magnetic field disappears, the first spring 34 resets, the sliding block 32 moves towards the direction away from the contact assembly 9, the clamping block 51 is far away under the action of the pull rope 8, the cables 4 can slide in the placing groove 92, meanwhile, the first gear 38 is driven by the rack 37 to rotate, the second gear 39 is driven by the first gear 38 to rotate, the second gear 39 close to one side of the contact assembly 9 drives the rotating shaft and the wire feeding wheel 40 to rotate through the one-way bearing, the cables 4 in the shell 1 are driven to move towards the direction of the hinged plate connecting iron 94 in the placing groove 92, due to the action of the hinged plate 95, the two cables 4 can be communicated through the connecting iron 94, so that the electromagnet 31 generates the magnetic field, namely, the disconnected cables 4 are reconnected under the condition that the shell 1 is not opened.
Based on the above, the invention has simple structure and convenient operation, through the arrangement of the electromagnet 31 and the permanent magnet 35, the automatic detection of whether the cable 4 is disconnected can be realized, when the cable 4 is disconnected, the magnetic field generated by the electromagnet 31 disappears, the slide block 32 moves downwards to drive the two clamping blocks 51 to move away, meanwhile, the slide block 32 moves downwards to drive the wire feeding assembly in the middle of the shell 1 to feed the wire, the section of the cable 4 reserved in the shell 1 is conveyed into the placing groove 92, the two cables 4 in the placing groove 92 are contacted through the hinged plate 95 and the connecting iron 94, after the cable 4 is connected, the magnetic field generated by the electromagnet 31 moves upwards the slide block 32 to drive the wire feeding assembly close to the edge of the shell 1 to feed the wire, the section of the cable 4 outside the shell 1 is prestored in the shell 1, meanwhile, the slide block 32 moves upwards to drive the two clamping blocks 51 to close through the spring two 52 to clamp the cable 4 in the placing groove 92, a reconnection of the disconnected cable 4 is achieved without opening the housing 1.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (5)
1. The protection device for the communication cable is characterized by comprising a shell (1), wherein a pull rope (8), a contact assembly (9), clamping assemblies (5) and a wire feeding mechanism (3) which are symmetrically arranged on the left side and the right side of the contact assembly (9) are arranged in the shell (1), a fixed pulley (7) is rotationally connected in the shell (1), one end of the pull rope (8) is connected with a clamping block (51) in the clamping assembly (5), the other end of the pull rope is connected with a sliding block (32) in the wire feeding mechanism (3) through the fixed pulley (7), the wire feeding mechanism (3) prestores the cable (4) outside the shell (1) in the shell (1) when the cable (4) is in contact power-on, the cable (4) prestored in the shell (1) is conveyed to the contact assembly (9) when the cable (4) is separately powered-off, and the contact assembly (9) is used for realizing the contact power-on of the cable (4), the clamping component (5) is used for clamping the cable (4) after contact;
the shell (1) comprises an upper shell (11) and a lower shell (12), wherein the upper shell (11) and the lower shell (12) are respectively provided with a clamp groove (13) which are matched with each other, and a clamp (2) for fixing the shell (1) is arranged in the clamp groove (13);
the wire feeding mechanism (3) comprises an electromagnet (31) and a guide post (33) which are arranged in a lower shell (12), the guide post (33) is connected with a sliding block (32) in a sliding manner, a first spring (34) is sleeved on the guide post (33), one end of the first spring (34) is connected with the sliding block (32), the other end of the first spring is connected with the lower shell (12), a wire pushing wheel (36) is arranged on the sliding block (32), a permanent magnet (35) matched with the electromagnet (31) is arranged in the sliding block (32), and wire feeding assemblies matched with the sliding block (32) are symmetrically arranged on the left side and the right side of the sliding block (32);
the wire feeding assembly comprises a rack (37), a first gear (38), a second gear (39) and a wire feeding wheel (40), the rack (37) and a sliding block (32) are integrally formed, the wire feeding wheel (40) is rotatably connected with the lower shell (12) through a rotating shaft, the second gear (39) is connected with the rotating shaft through a one-way bearing, the first gear (38) is rotatably connected with the lower shell (12), and the first gear (38) is meshed with the rack (37) and the second gear (39) respectively;
the contact assembly (9) comprises a placing block (91), a placing groove (92) and an opening (93) communicated with the placing groove (92) are formed in the placing block (91), a connecting iron (94) corresponding to the placing groove (92) is arranged in the placing block (91), a hinge plate (95) is hinged in the placing block (91), and a spring III (96) is connected between the hinge plate (95) and the placing block (91).
2. A protection device for communication cables (4) according to claim 1, characterized in that: the clamp (2) comprises half-clamp rings (21) and a connecting piece (22), the connecting piece (22) connects the two half-clamp rings (21) into a whole to form a closed clamp ring and is clamped in the clamp groove (13), and the connecting piece (22) comprises a bolt (221) and a nut (222) matched with the bolt (221).
3. A protection device for a communication cable according to claim 2, characterized in that: the clamping assembly (5) comprises a clamping block (51) corresponding to the opening (93), the clamping block (51) is connected with the shell (1) in a sliding mode through a limiting block (53), and a second spring (52) is connected between the clamping block (51) and the shell (1).
4. A protection device for a communication cable according to claim 3, wherein: the left end and the right end of the shell (1) are respectively provided with a first conical groove (6) communicated with the guide groove.
5. A protection device for a communication cable according to claim 3, wherein: and the bottom of the lower shell (12) is welded with a mounting seat (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011221518.XA CN112467469B (en) | 2020-11-05 | 2020-11-05 | Protection device for communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011221518.XA CN112467469B (en) | 2020-11-05 | 2020-11-05 | Protection device for communication cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112467469A CN112467469A (en) | 2021-03-09 |
| CN112467469B true CN112467469B (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011221518.XA Expired - Fee Related CN112467469B (en) | 2020-11-05 | 2020-11-05 | Protection device for communication cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN112467469B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864985B (en) * | 2021-03-26 | 2022-10-14 | 安徽省正大电力建设有限公司 | Cable box fast assembly termination |
| CN113655332B (en) * | 2021-07-07 | 2022-06-21 | 海南电网有限责任公司海南输变电检修分公司 | Core wire checking device for multi-core secondary cable |
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| CN110165433A (en) * | 2019-05-30 | 2019-08-23 | 安徽华希电力科技有限公司 | A kind of flexible long-acting graphite earthing or grounding means of Wind turbines and its construction method |
| CN110190414A (en) * | 2019-05-30 | 2019-08-30 | 安徽华希电力科技有限公司 | A kind of modified form thunder-preventing graphite grounding device and its construction method |
| CN110794248A (en) * | 2019-11-20 | 2020-02-14 | 新昌县韵母电子有限公司 | Cable quality detection equipment |
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| CN112467469A (en) | 2021-03-09 |
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