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CN109835773A - A kind of power communication Cable treatment device - Google Patents

A kind of power communication Cable treatment device Download PDF

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Publication number
CN109835773A
CN109835773A CN201910232960.3A CN201910232960A CN109835773A CN 109835773 A CN109835773 A CN 109835773A CN 201910232960 A CN201910232960 A CN 201910232960A CN 109835773 A CN109835773 A CN 109835773A
Authority
CN
China
Prior art keywords
runner
cable
pedestal
sliding
mounting rack
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
Application number
CN201910232960.3A
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Chinese (zh)
Inventor
朱颖莉
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.)
Nanjing Institute of Railway Technology
Original Assignee
Nanjing Institute of Railway Technology
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 Nanjing Institute of Railway Technology filed Critical Nanjing Institute of Railway Technology
Priority to CN201910232960.3A priority Critical patent/CN109835773A/en
Publication of CN109835773A publication Critical patent/CN109835773A/en
Pending legal-status Critical Current

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Abstract

The present invention provides a kind of power communication Cable treatment device, relates generally to field of electrical equipment.A kind of power communication Cable treatment device, including winder, the winder includes pedestal, reel and driving device, the pedestal side is fixedly connected with installation pedestal, locking device is set gradually in the installation pedestal, length-measuring appliance and shear, the locking device includes the glide path being fixedly connected with installation pedestal and sliding way corresponding with glide path, lower hydraulic driver is set at the top of the sliding way, the length-measuring appliance includes the runner mounting rack that installation pedestal up and down slideway side is arranged in, lower runner and upper runner is arranged in rotation on the runner mounting rack, rotation sensor is set on the upper runner, controller is arranged in runner mounting rack side.The beneficial effects of the present invention are: the present invention can the accurate measurement and positioning length that needs to intercept, avoid product caused by secondary interception and time waste, improve work efficiency.

Description

A kind of power communication Cable treatment device
Technical field
The invention mainly relates to field of electrical equipment, specifically a kind of power communication Cable treatment device.
Background technique
Power communication cable is in wiring process, it is often necessary to be carried out cutting cable according to the length between two tie points. This just needs accurately to measure length of cable.Operation is measured to power communication cable now or passes through manual measurement, Or directly estimated, lead to staff to make cable be unlikely to too short and be not available, often excessive interception cable. Which results in the times caused by great waste and secondary interception cable to waste.
Summary of the invention
To solve the deficiencies in the prior art, the present invention provides a kind of power communication Cable treatment device, it is by cable Unwrapping wire, measurement and interception integrate, and reduce the carrying classification of tool, accurately can need the length intercepted by measurement and positioning Degree avoids product caused by secondary interception and time waste, improves work efficiency.
The present invention to achieve the above object, is achieved through the following technical solutions:
A kind of power communication Cable treatment device, including winder, the winder include pedestal, reel and driving dress It sets, for winding cable on the reel, the pedestal side is fixedly connected with installation pedestal, successively sets in the installation pedestal Locking device, length-measuring appliance and shear are set, the locking device includes the glide path being fixedly connected with installation pedestal With sliding way corresponding with glide path, the glide path top surface and sliding way bottom surface are respectively provided with the sliding slot being adapted with cable, Lower hydraulic driver is set at the top of the sliding way, and the lower hydraulic driver contacts with glide path for pressing sliding way, makes The cable is locked in two sliding slots being oppositely arranged, and the length-measuring appliance includes being arranged in installation pedestal up and down slideway The runner mounting rack of side, lower runner is arranged in rotation on the runner mounting rack and upper runner, the lower runner are located at upper runner It is respectively provided with the arc slot being adapted with cable on underface, the lower runner and upper runner outer wall, rotation is set on the upper runner Controller is arranged in sensor, runner mounting rack side, and the controller and driving device, lower hydraulic driver, rotation pass Sensor signal connection, the shear includes the shearing frame that runner mounting rack side in installation pedestal is arranged in, the shearing Frame two sides all had coil, and two described cross between coil are arranged shearing tool apron, shear knife, institute is arranged above the shearing frame It states and shear motor is set on shear knife, the shear motor is for driving the shear knife to fall and shearing tool apron cooperation, to wearing The cable that two cross coil is crossed to be cut.
Lower hydraulic driver on the locking device includes lower pressure rack, and spring is arranged between the lower pressure rack and sliding way Bar, the spring lever are in tensional state, and lower piezoelectric machine is arranged in the lower pressure rack bottom, are arranged on the motor shaft of the lower piezoelectric machine Cam is pushed, the pushing cam is in contact with sliding way top surface.
The lower piezoelectric machine is servo motor.
Sliding slot is set with lower runner interconnecting piece on the runner mounting rack, sliding block is set in the sliding slot, the sliding block with Sliding slot is slidably connected, and spring is arranged between the sliding block and sliding slot bottom surface, and the lower runner and sliding block are rotatablely connected.
The sliding slot bottom setting adjusts channel, and described adjusting the bottom of the channel is threadedly coupled regulation cock, the spring bottom It is fixedly connected with regulation cock top surface.
Line device is pulled in the pedestal side setting, and the line device of pulling includes pulling line seat, pull spool and pulling line power device, described It pulls line power device to connect with controller signals, described to pull spool and pull the rotation connection of line seat, the line power device of pulling is used for Spool rotation is pulled described in driving, briquetting is arranged in described pull on spool side wall, the briquetting is fixed with spool bolt is pulled, the briquetting Spool is pulled for cable one end to be fixed on.
The prior art is compared, the beneficial effects of the present invention are:
The present invention discharges cable by winder, and rotation sensor is used to detect turnning circle and the angle of runner Degree, to calculate the length by cable.After controller detects that the length of cable reaches setting value, controller control lock Tight device locks cable, and driving device stops working, and is then sheared by shear to cable, to realize cable Unwrapping wire, the procedure that measures and cut carry out, avoid product caused by secondary interception and time waste, improve work effect Rate.
Detailed description of the invention
Attached drawing 1 is use state of the present invention with reference to figure;
Attached drawing 2 is locking device right side structural representation of the present invention;
Attached drawing 3 is the portion A of the present invention partial enlargement structural representation;
Attached drawing 4 is the portion B of the present invention partial enlargement structural representation;
Attached drawing 5 is present invention runner and cable fit structure schematic diagram up and down.
Label shown in attached drawing: 1, winder;11, pedestal;12, reel;13, driving device;2, installation pedestal;3, it locks Tight device;31, glide path;32, sliding way;33, sliding slot;34, lower hydraulic driver;341, lower pressure rack;342, spring lever;343, Lower piezoelectric machine;344, cam is pushed;4, length-measuring appliance;41, runner mounting rack;411, sliding slot;412, sliding block;413, bullet Spring;414, channel is adjusted;415, regulation cock;42, lower runner;43, upper runner;44, arc slot;45, rotation sensor;46, it controls Device;5, shear;51, frame is sheared;52, coil is crossed;53, tool apron is sheared;54, shear knife;55, shear motor;6, line device is pulled; 61, line seat is pulled;62, spool is pulled;621, briquetting;63, line power device is pulled;7, cable.
Specific embodiment
With reference to the drawings and specific embodiments, the invention will be further described.It should be understood that these embodiments are merely to illustrate The present invention rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, this field Technical staff can make various changes or modifications the present invention, and such equivalent forms equally fall within range defined herein.
As shown in Figs. 1-5, a kind of power communication Cable treatment device of the present invention, including winder 1, the winder 1 includes pedestal 11, reel 12 and driving device 13, and the reel connect with pedestal bearing, is used on the reel 12 Cable is wound, the driving device is for driving reel rotation to discharge cable.11 side of pedestal is fixedly connected Installation pedestal 2 sets gradually locking device 3, length-measuring appliance 4 and shear 5 in the installation pedestal 2.The locking Device 3 includes and glide path 31 and sliding way 32 corresponding with glide path 31 that installation pedestal 2 is fixedly connected, the glide path 31 top surfaces and 32 bottom surface of sliding way are respectively provided with the sliding slot 33 being adapted with cable, and the cable is across two sliding slots, the cunning Slot limits cable.Lower hydraulic driver 34 is set at the top of the sliding way 32, and the lower hydraulic driver 34 is for pressing Dynamic sliding way 32 is contacted with glide path 31, is locked in the cable in two sliding slots 33 being oppositely arranged by frictional force.Institute Stating length-measuring appliance 4 includes the runner mounting rack 41 that 2 up and down slideway of installation pedestal, 31 side is arranged in, the runner mounting rack Lower runner 42 and upper runner 43 is arranged in rotation on 41, and the lower runner 42 is located at immediately below upper runner 43, the lower runner 42 with The arc slot 44 being adapted with cable is respectively provided on upper 43 outer wall of runner, the cable passes through two arc slots, passes through cable unwrapping wire process In frictional force drive upper runner and lower runner to rotate.Rotation sensor 45, the rotation sensing are set on the upper runner 43 Device follows runner to rotate, and can detecte the turnning circle and angle of runner.41 side of the runner mounting rack setting control Device 46, the controller 46 are connect with driving device 13, lower hydraulic driver, 45 signal of rotation sensor, and the controller can To input length of cable, the upper runner circle number passed back by rotation sensor and angle by input panel, runner turns in calculating The length that the perimeter total length crossed, i.e. cable pass through.After when control, it detects that cable unwrapping wire length reaches setting value, controller It controls driving device to stop, lower hydraulic driver movement locks sliding way and glide path to cable.The shear 5 Shearing frame 51 including 41 side of runner mounting rack in installation pedestal 2 is arranged in, 51 two sides of shearing frame all had coil 52, the cable passed through coil.Shearing tool apron 53 is arranged in two described cross between coil 52, is arranged above the shearing frame 51 Shear motor 55 is arranged on the shear knife 54 for shear knife 54, and the shear motor 55 is for driving the shear knife 54 to fall Cooperate with shearing tool apron 53, is cut to the cable that two cross coil 52 is passed through.The shear motor can be controlled by controller, It can also be with manual switch control.The present apparatus discharges cable by winder, locking device, length-measuring appliance and shearing Device cooperation carries out cut-to-length to cable, realizes that the unwrapping wire of cable, the procedure for measuring and cutting carry out, avoids secondary section Product caused by taking and time waste, improve work efficiency.
Further, the lower hydraulic driver 34 on the locking device 3 includes lower pressure rack 341, the lower pressure rack 341 with Spring lever 342 is set between sliding way 32, and the spring lever 342 is in tensional state, and lower piezoelectric is arranged in lower 341 bottom of pressure rack Machine 343, setting pushes cam 344, the pushings cam 344 and 32 top surface of sliding way on the motor shaft of the lower piezoelectric machine 343 It is in contact.It is acted by the lower piezoelectric machine of lower hydraulic driver, can will push cam from minor diameter and turn to major diameter portion, It presses sliding way to be in contact with glide path, clamps cable by frictional force by the sliding slot of up and down slideway, to make cable Unwrapping wire act stop, thus realize cable fixed length measure.
Further, the lower piezoelectric machine 343 is servo motor.The servo motor can preferably control angle of rotation Degree, keeps the pressing action of sliding way more stable.
Further, sliding slot 411 is set with lower 42 interconnecting piece of runner on the runner mounting rack 41, in the sliding slot 411 Sliding block 412 is set, and the sliding block 412 is slidably connected with sliding slot 411, and spring is arranged between 411 bottom surface in the sliding block 412 and sliding slot 413, the lower runner 42 is rotatablely connected with sliding block 412.By the setting of spring, lower runner is allow to carry out elastic pressure to cable Compel, to guarantee that cable is in rolling contact with upper and lower runner, prevent from generating sliding between the two, make the measurement result of cable more subject to Really.
Further, 411 bottom of the sliding slot setting adjusts channel 414, and 414 bottom thread of the adjusting channel connection is adjusted Bolt 415 is saved, 413 bottom of spring is fixedly connected with 415 top surface of regulation cock.By the adjustment effect of regulation cock, bullet can be made The elasticity of spring is adjusted, to keep lower runner more preferable to the compression effect of cable.
Further, line device 6 is pulled in 11 side of the pedestal setting, and the line device 6 of pulling includes pulling line seat 61, pulling spool 62 With pull line power device 63, the line power device 63 of pulling is connect with 46 signal of controller, and described pull and pulls line seat 61 at spool 62 Rotation connection, for the line power device 63 of pulling for driving the spool 62 of pulling to rotate, pressure is arranged in described pull on 62 side wall of spool Block 621, the briquetting 621 are fixed with 62 bolt of spool is pulled, and the briquetting 621 pulls spool 62 for cable one end to be fixed on On.It can replace by pulling line device and manually pull line, so that the measurement of cable and interception working efficiency are higher.
Embodiment 1:
A kind of power communication Cable treatment device, including winder 1, the winder 1 include pedestal 11,12 and of reel Driving device 13, for winding cable on the reel 12, the 11 side bolt of pedestal is fixedly connected with installation pedestal 2, institute It states and sets gradually locking device 3, length-measuring appliance 4 and shear 5 in installation pedestal 2.The locking device 3 includes and peace The glide path 31 and sliding way 32 corresponding with glide path 31 that dress pedestal 2 is fixedly connected, 31 top surface of glide path and upper cunning 32 bottom surface of road is respectively provided with the sliding slot 33 being adapted with cable, lower hydraulic driver 34 is arranged at the top of the sliding way 32, under described Hydraulic driver 34 is contacted for pressing sliding way 32 with glide path 31, and the cable is made to be locked in two sliding slots being oppositely arranged In 33, the lower hydraulic driver 34 on locking device 3 described in the present embodiment includes lower pressure rack 341, the lower pressure rack and installation Pedestal screw is fixed, bolt fixed spring bar 342 between the lower pressure rack 341 and sliding way 32, and the spring lever 342 is in stretching State, the fixed lower piezoelectric machine 343 of lower 341 bottom bolts of pressure rack, the lower piezoelectric machine 343 is servo motor.The pushing Key connection pushes cam 344 on the motor shaft of motor 343, and the pushing cam 344 is in contact with 32 top surface of sliding way.The length Degree measuring device 4 includes the runner mounting rack 41 that 2 up and down slideway of installation pedestal, 31 side is arranged in, the runner mounting rack and peace Dress pedestal screw is fixed, and 41 upper bearing (metal) of runner mounting rack connects lower runner 42 and upper runner 43, the lower runner 42 are located at Immediately below upper runner 43, the arc slot 44 being adapted with cable, two institutes are opened up on the lower runner 42 and upper 43 outer wall of runner It states arc slot and squeezing action is played to cable outer wall.Rotation sensor 45, the runner mounting rack 41 are set on the upper runner 43 Controller 46 is arranged in side, and the controller is microprocessor, has liquid crystal input domain display panel on the controller.It is described Controller 46 is connect with driving device 13, lower hydraulic driver 34,45 signal of rotation sensor.The shear 5 includes spiral shell Bolt is fixed on the shearing frame 51 of 41 side of runner mounting rack in installation pedestal 2, and 51 two sides of shearing frame all had coil 52, Two described cross between coil 52 are shearing tool apron 53, setting shear knife 54 above the shearing frame 51, on the shear knife 54 Shear motor 55 is set, and the shear motor is spindle motor, and the wire lever of the spindle motor is fixedly connected with shear knife, institute Spindle motor pedestal is stated to be fixedly connected with shearing top of the trellis.The shear motor 55 is for driving the shear knife 54 to fall and cut Cutter seat 53 cooperates, and cuts to the cable that two cross coil 52 is passed through.
Embodiment 2:
For embodiment 1, sliding slot 411 is opened up with lower 42 interconnecting piece of runner on runner mounting rack described in the present embodiment 41, Sliding block 412 is set in the sliding slot 411, the sliding block 412 is slidably connected with sliding slot 411, the sliding block 412 and 411 bottom of sliding slot Spring 413 is set between face, and the lower runner 42 is rotatablely connected with sliding block 412.411 bottom of sliding slot, which opens up, adjusts channel 414,414 bottom thread of adjusting channel connects regulation cock 415, the fixed company in 413 bottom of spring and 415 top surface of regulation cock It connects.By regulation cock to spring adjust channel in position adjusting, can adjust indirectly between lower runner and upper runner away from From to adjust runner up and down, to the pressure of cable, avoiding during cable unwrapping wire cable and upper runner from sliding causes cable to be surveyed Amount is uneven.
Embodiment 3:
For embodiment 1 or embodiment 2, line device 6 is pulled in the setting of the side of pedestal 11 described in the present embodiment, described to pull line device 6 Including pulling line seat 61, pulling spool 62 and pulling line power device 63, the line device of pulling is fixed by screws in bottom surface, or is pulling line Weight is placed on seat, makes to pull line device and wire dispenser position is relatively fixed.It is described to pull line power device 63 and 46 signal of controller company It connects, the controller controls driving device and pulls line power device synchronization action.It is described to pull spool 62 and pull the rotation of line seat 61 company It connecing, the line power device 63 of pulling is described to pull setting briquetting 621 on 62 side wall of spool for driving the spool 62 of pulling to rotate, The briquetting 621 is fixed with 62 bolt of spool is pulled, and the briquetting 621 pulls spool 62 for cable one end to be fixed on.

Claims (6)

1. a kind of power communication Cable treatment device, including winder (1), it is characterized in that: the winder (1) includes pedestal (11), reel (12) and driving device (13), for winding cable on the reel (12), pedestal (11) side is solid Surely installation pedestal (2) are connected, locking device (3), length-measuring appliance (4) and shearing is set gradually on the installation pedestal (2) Device (5), the locking device (3) include the glide path (31) being fixedly connected with installation pedestal (2) and with glide path (31) phase Corresponding sliding way (32), glide path (31) top surface and sliding way (32) bottom surface are respectively provided with the sliding slot being adapted with cable (33), it is arranged at the top of the sliding way (32) lower hydraulic driver (34), the lower hydraulic driver (34) is for pressing cunning Road (32) is contacted with glide path (31), is locked in the cable in two sliding slots (33) being oppositely arranged, the linear measure longimetry Device (4) includes runner mounting rack (41) of the setting in installation pedestal (2) up and down slideway (31) side, the runner mounting rack (41) lower runner (42) and upper runner (43) is arranged in rotation on, and the lower runner (42) is located at immediately below upper runner (43), described It is respectively provided with the arc slot (44) being adapted with cable on lower runner (42) and upper runner (43) outer wall, is arranged on the upper runner (43) Controller (46) are arranged in rotation sensor (45), runner mounting rack (41) side, the controller (46) and driving device (13), lower hydraulic driver (34), the connection of rotation sensor (45) signal, the shear (5) include setting in installation base The shearing frame (51) of runner mounting rack (41) side, shearing frame (51) two sides all had coil (52) on seat (2), and two It is described to cross setting shearing tool apron (53) between coil (52), shear knife (54) are set above the shearing frame (51), the shearing Shear motor (55) are set on knife (54), the shear motor (55) is for driving the shear knife (54) to fall and shearing tool apron (53) cooperate, cut to the cable that two cross coil (52) is passed through.
2. a kind of power communication Cable treatment device according to claim 1, it is characterized in that: on the locking device (3) Lower hydraulic driver (34) include lower pressure rack (341), spring lever is set between the lower pressure rack (341) and sliding way (32) (342), the spring lever (342) is in tensional state, lower pressure rack (341) bottom setting lower piezoelectric machine (343), the pushing Setting pushes cam (344) on the motor shaft of motor (343), and the pushing cam (344) is in contact with sliding way (32) top surface.
3. a kind of power communication Cable treatment device according to claim 2, it is characterized in that: the lower piezoelectric machine (343) For servo motor.
4. a kind of power communication Cable treatment device according to claim 1, it is characterized in that: the runner mounting rack (41) It is upper that sliding slot (411) are set with lower runner (42) interconnecting piece, sliding block (412) are set in the sliding slot (411), the sliding block (412) It is slidably connected with sliding slot (411), spring (413) is set between the sliding block (412) and sliding slot (411) bottom surface, the lower runner (42) it is rotatablely connected with sliding block (412).
5. a kind of power communication Cable treatment device according to claim 4, it is characterized in that: the sliding slot (411) bottom Setting adjusts channel (414), and the adjusting channel (414) bottom thread connects regulation cock (415), spring (413) bottom It is fixedly connected with regulation cock (415) top surface.
6. a kind of power communication Cable treatment device according to claim 1, it is characterized in that: the pedestal (11) side is set It sets and pulls line device (6), described pull line device (6) include pulling line seat (61), pulling spool (62) and pull line power device (63), described to pull line Power device (63) is connect with controller (46) signal, described to pull spool (62) and pull line seat (61) rotation connection, described to pull line For power device (63) for driving described pull spool (62) to rotate, briquetting (621) are arranged on spool (62) side wall in described pull, described Briquetting (621) is fixed with spool (62) bolt is pulled, and the briquetting (621) pulls spool (62) for cable one end to be fixed on.
CN201910232960.3A 2019-03-26 2019-03-26 A kind of power communication Cable treatment device Pending CN109835773A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910232960.3A CN109835773A (en) 2019-03-26 2019-03-26 A kind of power communication Cable treatment device

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Application Number Priority Date Filing Date Title
CN201910232960.3A CN109835773A (en) 2019-03-26 2019-03-26 A kind of power communication Cable treatment device

Publications (1)

Publication Number Publication Date
CN109835773A true CN109835773A (en) 2019-06-04

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CN201910232960.3A Pending CN109835773A (en) 2019-03-26 2019-03-26 A kind of power communication Cable treatment device

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110451332A (en) * 2019-08-23 2019-11-15 重庆工程职业技术学院 Fast automatic line winder
CN110814226A (en) * 2019-12-11 2020-02-21 湖州新东方线缆有限公司 Fixed-length cutting device for communication cable
CN111261338A (en) * 2020-01-21 2020-06-09 彭陈城 Electric wire and cable processing equipment
CN112027816A (en) * 2020-09-16 2020-12-04 中国空气动力研究与发展中心高速空气动力研究所 Wind tunnel continuous variable-rolling mechanism cable protection method
CN111014516B (en) * 2019-12-05 2021-07-27 深圳市中为光通信技术有限公司 Positioning mechanism for cable cutting

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203635822U (en) * 2013-12-18 2014-06-11 国家电网公司 Cable cutting device
CN108263908A (en) * 2018-01-12 2018-07-10 国网北京市电力公司 Cable material issuing equipment
CN208326918U (en) * 2018-04-25 2019-01-04 青岛长城电缆有限公司 A kind of automatic coil winder of electric wire
CN109269459A (en) * 2018-11-12 2019-01-25 叶佑君 It is a kind of to clamp adjustable cable meter counter
CN109436967A (en) * 2018-11-22 2019-03-08 住友富士电梯有限公司 A kind of wirerope auto-cut equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203635822U (en) * 2013-12-18 2014-06-11 国家电网公司 Cable cutting device
CN108263908A (en) * 2018-01-12 2018-07-10 国网北京市电力公司 Cable material issuing equipment
CN208326918U (en) * 2018-04-25 2019-01-04 青岛长城电缆有限公司 A kind of automatic coil winder of electric wire
CN109269459A (en) * 2018-11-12 2019-01-25 叶佑君 It is a kind of to clamp adjustable cable meter counter
CN109436967A (en) * 2018-11-22 2019-03-08 住友富士电梯有限公司 A kind of wirerope auto-cut equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110451332A (en) * 2019-08-23 2019-11-15 重庆工程职业技术学院 Fast automatic line winder
CN111014516B (en) * 2019-12-05 2021-07-27 深圳市中为光通信技术有限公司 Positioning mechanism for cable cutting
CN110814226A (en) * 2019-12-11 2020-02-21 湖州新东方线缆有限公司 Fixed-length cutting device for communication cable
CN111261338A (en) * 2020-01-21 2020-06-09 彭陈城 Electric wire and cable processing equipment
CN112027816A (en) * 2020-09-16 2020-12-04 中国空气动力研究与发展中心高速空气动力研究所 Wind tunnel continuous variable-rolling mechanism cable protection method
CN112027816B (en) * 2020-09-16 2021-08-17 中国空气动力研究与发展中心高速空气动力研究所 Wind tunnel continuous variable-rolling mechanism cable protection method

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Application publication date: 20190604