CN105668347A - Multi-functional cable guide - Google Patents

Multi-functional cable guide Download PDF

Info

Publication number
CN105668347A
CN105668347A CN201610243787.3A CN201610243787A CN105668347A CN 105668347 A CN105668347 A CN 105668347A CN 201610243787 A CN201610243787 A CN 201610243787A CN 105668347 A CN105668347 A CN 105668347A
Authority
CN
China
Prior art keywords
cable
module
motor
base
guiding device
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.)
Granted
Application number
CN201610243787.3A
Other languages
Chinese (zh)
Other versions
CN105668347B (en
Inventor
秘鹏
吴迎东
靳芳
吕明强
宗超
张秋生
张雪红
雷丽艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangxin County Power Supply Company State Grid Shandong Electric Power Co
Original Assignee
Yangxin County Power Supply Company State Grid Shandong Electric Power Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yangxin County Power Supply Company State Grid Shandong Electric Power Co filed Critical Yangxin County Power Supply Company State Grid Shandong Electric Power Co
Priority to CN201610243787.3A priority Critical patent/CN105668347B/en
Publication of CN105668347A publication Critical patent/CN105668347A/en
Application granted granted Critical
Publication of CN105668347B publication Critical patent/CN105668347B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/08Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle
    • B65H63/082Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle responsive to a predetermined size or diameter of the package
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44Constructional details
    • B65H75/4457Arrangements of the frame or housing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10Size; Dimensions
    • B65H2511/11Length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2557/00Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/20Calculating means; Controlling methods
    • B65H2557/25Modular control, i.e. systems which work independently or partially dependently on other systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/34Handled filamentary material electric cords or electric power cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Unwinding Of Filamentary Materials (AREA)

Abstract

A multi-functional cable guide comprises a base and a motor arranged on the base, wherein the output end of the motor is connected with a transmission shaft connected with a winding inner core. The multi-functional cable guide further comprises a mounting support and bearing blocks, wherein the mounting support is detachably and fixedly connected to the base; the bearing blocks are respectively arranged at the left end and the right end of the transmission shaft and detachably and fixedly connected to the upper end of the mounting support; a side plate and an automatic control unit arranged on the side plate are arranged on the base; the automatic control unit comprises a central processor, a display screen, a ranging control module, a motor control module and an alarming module; an LED display module and a numerical value setting module are arranged on the display screen. The ranging control module can accurately measure the lengths of bypassing cable and display the measured lengths on the display screen in real time, and when the measured lengths of the cables reach the upper limit value, a warning signal is sent by the alarming module connected with the central processor to prompt an operator so as to accurately obtain the cables of required lengths. The multi-functional cable guide is convenient and efficient in operation, and ensures more stable and safer cable collecting and releasing.

Description

Multi-functional cable cable guiding device
Technical field
The present invention relates to electrical equipment technical field, specifically a kind of multi-functional cable cable guiding device.
Background technology
In power engineering construction job site or goods and materials storage goods yard, often need the cable of a large amount of different lengths, existing cable conductor winding mode is mainly by manual operation, according to actual demand, cable is led on little bobbin by big bobbin, labor intensity is big, production efficiency is low, production cost is high, waste time and energy, notification number a kind of bobbin winoler that has been the patent disclosure of CN203269207U, driven wire winding pole to rotate the purpose to reach unwrapping wire by rotation crank, but waste time and energy, labor intensity is bigger, it is susceptible to tumble when the cable being wound around is longer, poor stability, and the length of cable measurement is also not accurate enough, also need extra by survey tool when needing the cable of a large amount of different lengths, not only measure inaccuracy, and work efficiency is relatively low.
Summary of the invention
The purpose of the present invention, it is simply that for solving prior art Problems existing, and devise the multi-functional cable cable guiding device of a kind of easy and simple to handle, highly effective and safe.
The technical scheme is that multi-functional cable cable guiding device, including base, described base is provided with motor and the power transmission shaft being connected with motor output end, described power transmission shaft is connected to coiling inner core, it is characterized in that: also include mounting bracket and bearing block, described mounting bracket is detachably fixed and is connected on described base, described bearing block is separately positioned on the two ends, left and right of power transmission shaft, described bearing block is detachably fixed the upper end being connected to mounting bracket, described base is provided with side plate and is arranged on the automatic control unit on described side plate, described automatic control unit includes central processing unit and the display screen being connected with central processing unit, range finding controls module, motor control module, alarm module, described display screen is provided with LED display module and numerical value arranges module, described range finding controls module and adopts ZLS-Px distance measuring sensor, automatically control step as follows:
(1), operator arrange module at numerical value and are configured limit value, and to limit the length of the cable of required derivation, described limit value is less than the cable length numerical value being actually needed derivation;
(2), motor control module and range finding control block coupled in series and arrange, and motor and distance measuring sensor run simultaneously, and are shown the length deriving cable in real time by LED display module
(3), LED shows that when cable length arrives limit value, then the alarm module by being connected with central processing unit sends signal.
The outer surface of above-mentioned coiling inner core is connected to cable fixed station, described cable fixed station includes fixed support and constraint component, described fixed support is connected with constraint component bolt, described fixed support and coiling inner core are welded to connect, in order to fixing cable, and prevent cable from coming off in winding process, various sizes of cable can be fixed by adjusting bolt length.
The middle part of above-mentioned constraint component is provided with semicircular cable by groove I, and described fixed support upper end is provided with semicircular cable by groove II, and described cable is cooperated by groove II with cable by groove I, in order to by being fixed after cable.
Above-mentioned side plate is arranged along the direction being perpendicular to power transmission shaft, described display screen is disposed in proximity to the side of side board edge, in order to show the cable length walked around, described display screen is provided with start button and stop button, it is easy to observe the length of the cable passed through by display screen, carry out monitor in real time, controlled the duty of cable device by the start button of display screen lower end and stop button.
Above-mentioned motor is arranged on the power transmission shaft side near side plate, and described motor adopts frequency conversion motor, in order to be adjusted the wire speed of joint cable guiding device according to actual requirement,
Above-mentioned alarm module adopts buzzer siren, triggers buzzer siren after exceeding higher limit.
The lower end of above-mentioned base is provided with universal wheel, flexible, it is possible to complete wire task according to actual demand in different working spaces.
It is bolted to connection between above-mentioned mounting bracket and base, is bolted to connection between described bearing block and mounting bracket, in order to dismounting and installation, easy to maintenance.
Beneficial effects of the present invention can be drawn by such scheme: by arranging mounting bracket and bearing block, the process making folding and unfolding cable is more stable, and by arranging automatic control unit, range finding controls module and can accurately measure the cable length walked around and show in real time at display screen, cable length sends alarm signal by the alarm module being connected with central processing unit when arriving higher limit, remind operator, and then accurately obtain the cable of Len req, easy to operate, highly effective and safe, substantially increase accuracy and the work efficiency of goods yard folding and unfolding wire of storing in a warehouse in engineering construction job site or goods and materials.
As can be seen here, the present invention compared with prior art has prominent substantive distinguishing features and significant progressive, and the beneficial effect of its enforcement is also apparent from.
Accompanying drawing illustrates:
Fig. 1 is the main TV structure schematic diagram of the present invention;
Fig. 2 is the plan structure schematic diagram of the present invention;
Fig. 3 is the plan structure schematic diagram of cable fixed station;
Fig. 4 is the main TV structure schematic diagram of cable fixed station;
Fig. 5 is the theory diagram of automatic control unit in the present invention.
Wherein, 1 is side plate, and 2 control module for range finding, and 3 is bearing block, 4 is mounting bracket, and 5 is base, and 6 is start button and X button, 7 is display screen, and 8 is alarm module, and 9 is motor control module, 10 is central processing unit, and 11 is cable fixed station, and 12 is power transmission shaft, 13 is motor, and 11-1 is fixed support, and 11-2 is constraint component, 11-3 is that cable passes through groove I, and 11-4 is that cable passes through groove II, and 11-5 is bolt mounting holes.
Detailed description of the invention:
In order to be more fully understood that the present invention, explain in detail embodiments of the present invention below in conjunction with accompanying drawing.
Detailed description of the invention: such as Fig. 1, shown in Fig. 2, multi-functional cable cable guiding device, including base 5, described base 5 is provided with motor 13 and power transmission shaft 12 that the outfan with motor 13 is connected, power transmission shaft 12 is connected to coiling inner core, also include mounting bracket 4 and bearing block 3, mounting bracket 4 is detachably fixed and is connected on described base 5, bearing block 3 is separately positioned on the two ends, left and right of power transmission shaft 12, bearing block 3 is detachably fixed the upper end being connected to mounting bracket 4, base 5 is provided with side plate 1 and is arranged on the automatic control unit on side plate 1, automatic control unit includes and central processing unit 10 and the display screen 7 that is connected with central processing unit 10, range finding controls module 2, motor control module 9, alarm module 8, display screen 7 is provided with LED display module and numerical value arranges module, range finding controls module 2 and adopts ZLS-Px distance measuring sensor, automatically control step as follows: (1) operator arrange module at numerical value and are configured limit value, to limit the length of the cable of required derivation, described limit value is less than the cable length numerical value being actually needed derivation, (2) motor control module 9 is set to run with range finding control module 2 simultaneously, and motor 13 and ZLS-Px distance measuring sensor run simultaneously, and are shown the length deriving cable in real time by LED display module, (3) when the cable length that LED display module shows arrives limit value, then the alarm module 8 by being connected with central processing unit 10 sends signal. the outer surface of coiling inner core is connected to cable fixed station 11, as shown in Figure 3, Figure 4, described cable fixed station 11 includes fixed support 11-1 and constraint component 11-2, fixed support 11-1 are connected with constraint component 11-2 bolt, and fixed support 11-1 and coiling inner core are welded to connect. the middle part of constraint component 11-2 is provided with semicircular cable and is provided with semicircular cable by groove II 11-4 by groove I 11-3, fixed support 11-1 upper end, and cable is cooperated by groove II 11-4 with cable by groove I 11-3, in order to pass through cable. side plate 1 is arranged along the direction being perpendicular to power transmission shaft 12, and display screen 7 is disposed in proximity to the side at side plate 1 edge, in order to show the cable length walked around, display screen 7 is provided with start button and stop button 6. motor 13 is arranged on the power transmission shaft 12 side near side plate 1, and motor 13 adopts frequency conversion motor. alarm module 8 adopts buzzer siren, triggers buzzer siren after exceeding higher limit. the lower end of base 5 is provided with universal wheel. it is bolted to connection between mounting bracket 4 and base 5, is bolted to connection between bearing block 3 and mounting bracket 4.
During work, cable is arranged on cable fixed station 11 be fixed, open start button, described motor control module 9 and range finding control module 2 and start simultaneously, motor 13 drives power transmission shaft 12 to rotate, cable is wrapped on coiling inner core, simultaneously, ZLS-Px distance measuring sensor measures the cable length passed through in real time, and is transferred to central processing unit 10, LED display module show the length value walking around cable in real time, after cable length reaches the higher limit that numerical value arranges module setting, alarm module 8 starts, and sends alarm signal, reminds staff.
Described above is not limitation of the present invention, and the present invention is also not limited to the example above, the change made in the essential scope of the present invention of those skilled in the art, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.

Claims (8)

1. multi-functional cable cable guiding device, including base, described base is provided with motor and the power transmission shaft being connected with motor output end, described power transmission shaft is connected to coiling inner core, it is characterized in that: also include mounting bracket and bearing block, described mounting bracket is detachably fixed and is connected on described base, described bearing block is separately positioned on the two ends, left and right of power transmission shaft, described bearing block is detachably fixed the upper end being connected to mounting bracket, described base is provided with side plate and is arranged on the automatic control unit on described side plate, described automatic control unit includes central processing unit and the display screen being connected with central processing unit, range finding controls module, motor control module, alarm module, described display screen is provided with LED display module and numerical value arranges module, described range finding controls module and adopts ZLS-Px distance measuring sensor, automatically control step as follows:
(1) operator arrange module at numerical value and are configured limit value, and to limit the length of the cable of required derivation, described limit value is less than the cable length numerical value being actually needed derivation;
(2) motor control module arranges with range finding control module and runs simultaneously, and motor and distance measuring sensor run simultaneously, and are shown the length deriving cable in real time by LED display module;
(3) when in LED display module, cable length arrives limit value, then the alarm module by being connected with central processing unit sends signal.
2. multi-functional cable cable guiding device as claimed in claim 1, it is characterized in that: the outer surface of described coiling inner core is connected to cable fixed station, described cable fixed station includes fixed support and constraint component, described fixed support is connected with constraint component bolt, and described fixed support and coiling inner core are welded to connect.
3. multi-functional cable cable guiding device as claimed in claim 2, it is characterized in that: the middle part of described constraint component is provided with semicircular cable by groove I, described fixed support upper end is provided with semicircular cable by groove II, described cable is cooperated by groove II with cable by groove I, in order to pass through cable.
4. multi-functional cable cable guiding device as claimed in claim 1, it is characterized in that: described side plate is arranged along the direction being perpendicular to power transmission shaft, described display screen is disposed in proximity to the side of side board edge, in order to show the cable length walked around, described display screen is provided with start button and stop button.
5. multi-functional cable cable guiding device as claimed in claim 1, it is characterised in that: described motor is arranged on the power transmission shaft side near side plate, and described motor adopts frequency conversion motor.
6. multi-functional cable cable guiding device as claimed in claim 1, it is characterised in that: described alarm module adopts buzzer siren, triggers buzzer siren after exceeding higher limit.
7. the multi-functional cable cable guiding device as described in any one claim in claim 1 to 6, it is characterised in that: the lower end of described base is provided with universal wheel.
8. the multi-functional cable cable guiding device as described in any one claim in claim 1 to 6, it is characterised in that: it is bolted to connection between described mounting bracket and base, is bolted to connection between described bearing block and mounting bracket.
CN201610243787.3A 2016-04-19 2016-04-19 Multi-functional cable cable guiding device Active CN105668347B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610243787.3A CN105668347B (en) 2016-04-19 2016-04-19 Multi-functional cable cable guiding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610243787.3A CN105668347B (en) 2016-04-19 2016-04-19 Multi-functional cable cable guiding device

Publications (2)

Publication Number Publication Date
CN105668347A true CN105668347A (en) 2016-06-15
CN105668347B CN105668347B (en) 2017-08-29

Family

ID=56309899

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610243787.3A Active CN105668347B (en) 2016-04-19 2016-04-19 Multi-functional cable cable guiding device

Country Status (1)

Country Link
CN (1) CN105668347B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106144785A (en) * 2016-07-05 2016-11-23 陈震英 A kind of multi-functional cable cable guiding device
CN106344239A (en) * 2016-10-30 2017-01-25 温州康普特生物科技有限公司 Spine correction gun with convenient operation effect
CN107176500A (en) * 2017-07-13 2017-09-19 广汉川亿石油科技有限公司 A kind of intelligent spooling equipment of wireless induction

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6190974A (en) * 1984-10-09 1986-05-09 Maruyama Seisakusho:Kk Automatic stop device for hose winding machine
CN2060437U (en) * 1988-12-09 1990-08-15 张文明 Electronic measuring cable-removing apparatus
CN201623412U (en) * 2010-02-25 2010-11-03 成都尤立科电器有限公司 Low-voltage wire or cable bunch shape fixing device
CN203180447U (en) * 2013-04-02 2013-09-04 叶绿野 Fixed clip for high voltage cable
CN203922319U (en) * 2014-06-13 2014-11-05 国网四川省电力公司双流县供电分公司 A kind of cable drum that is easy to attached cable end
CN204079079U (en) * 2013-12-13 2015-01-07 无锡新纺欧迪诺电梯有限公司 A kind of ribbon cable automatic reeling machine
CN204588329U (en) * 2015-03-24 2015-08-26 中国石油大学(华东) A kind of intelligent electric control reeler
CN204661044U (en) * 2015-05-20 2015-09-23 洛阳金龙精密铝材有限公司 A kind of rising pricks Electric cable coil easily
CN105329721A (en) * 2015-11-10 2016-02-17 扬州亚光电缆有限公司 Cable drum device with displayer and cable winding method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6190974A (en) * 1984-10-09 1986-05-09 Maruyama Seisakusho:Kk Automatic stop device for hose winding machine
CN2060437U (en) * 1988-12-09 1990-08-15 张文明 Electronic measuring cable-removing apparatus
CN201623412U (en) * 2010-02-25 2010-11-03 成都尤立科电器有限公司 Low-voltage wire or cable bunch shape fixing device
CN203180447U (en) * 2013-04-02 2013-09-04 叶绿野 Fixed clip for high voltage cable
CN204079079U (en) * 2013-12-13 2015-01-07 无锡新纺欧迪诺电梯有限公司 A kind of ribbon cable automatic reeling machine
CN203922319U (en) * 2014-06-13 2014-11-05 国网四川省电力公司双流县供电分公司 A kind of cable drum that is easy to attached cable end
CN204588329U (en) * 2015-03-24 2015-08-26 中国石油大学(华东) A kind of intelligent electric control reeler
CN204661044U (en) * 2015-05-20 2015-09-23 洛阳金龙精密铝材有限公司 A kind of rising pricks Electric cable coil easily
CN105329721A (en) * 2015-11-10 2016-02-17 扬州亚光电缆有限公司 Cable drum device with displayer and cable winding method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106144785A (en) * 2016-07-05 2016-11-23 陈震英 A kind of multi-functional cable cable guiding device
CN106344239A (en) * 2016-10-30 2017-01-25 温州康普特生物科技有限公司 Spine correction gun with convenient operation effect
CN107176500A (en) * 2017-07-13 2017-09-19 广汉川亿石油科技有限公司 A kind of intelligent spooling equipment of wireless induction

Also Published As

Publication number Publication date
CN105668347B (en) 2017-08-29

Similar Documents

Publication Publication Date Title
CN105668347A (en) Multi-functional cable guide
CN108748073A (en) Substation equipment live-line maintenance operation robot
CN208224107U (en) A kind of precision intelligence cross cutting coiled material detection machine
CN109323648B (en) Installation distance measuring device for conductor spacer
CN112065074A (en) Assembled wall body bracing intelligent control system
CN203454966U (en) Cable reeling and length measuring device
CN103586222B (en) A kind of clothing radioactive pollution detects sorting instrument
CN114486219A (en) Multistage static loading test system, control system and control method for fan blade
CN206177250U (en) Metallic tank radial missing measuring robot
CN108599012B (en) Cable communication laying system capable of generating electricity
CN111927074A (en) Work platform installed on electric power tower
CN113998528B (en) Paying-off device for power transmission line
CN203398730U (en) Apparatus for drawing cable
CN105429091A (en) Hoistway detecting device
CN115144713A (en) Device and method for detecting insulation performance of power transmission line cable
CN205176254U (en) On --spot check -up support of metering device
CN205038062U (en) Sample car is surveyed in winding climbing
CN212989014U (en) Concrete compressive strength detection device
CN203455668U (en) Strip coil diameter measurement system
CN202285027U (en) Electroscope for power transmission line
CN215870519U (en) Cable wiring device
CN202954216U (en) Automatic control device of glass fiber chopped felt width
CN111833566A (en) Laser radar safety region protection system for electric power construction
CN106997002B (en) Circuit structure and method for measuring PT secondary circuit voltage drop and load
CN214569788U (en) Wire returning device for measuring length of distribution network wire

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant