CN101110515A - Explosion-proof cable winding device - Google Patents
Explosion-proof cable winding device Download PDFInfo
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- CN101110515A CN101110515A CNA2007101198414A CN200710119841A CN101110515A CN 101110515 A CN101110515 A CN 101110515A CN A2007101198414 A CNA2007101198414 A CN A2007101198414A CN 200710119841 A CN200710119841 A CN 200710119841A CN 101110515 A CN101110515 A CN 101110515A
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Abstract
An explosion-proof cable coiling device comprises a cable drum assembly, an explosion-proof current-collecting device and a drive device. Wherein, the cable drum assembly is composed of a cable drum, a baffle plate and a hollow principal shaft. The baffle plate is arranged at both ends of the cable drum. The drive device is composed of a motor and a drive mechanism. The cable drum is driven by the drive device to rotate along the principal shaft. In addition, the explosion-proof current-collecting device is arranged in the cable drum and composed of an explosion-proof box, an electric brush assembly and a slide ring assembly. The electric brush assembly is arranged on the explosion-prevention box and rotates on the slide ring assembly fixed on the principal shaft along the cable drum. The electric brush assembly is electrically connected with the cable. Besides, the slide ring assembly is connected with a device waiting for power supply through a cable. The present invention is suitable for coal mines and other specific environments and coils and uncoils power cables of mobile devices with large transmission current and high voltage.
Description
Technical field
The present invention relates to a kind of cable winding device, relate in particular to a kind of explosion-proof cable winding device that is used for the feed cable folding and unfolding of mobile device under the coal mine.
Background technology
In recent years, in coal industry, in short arm mechanized exploitation, the working face digging laneway, increasing large-scale mobile device is applied, as introduces external 12CM series continuous miner, shuttle car, continuous haulage system etc.These equipment also exist weak point when accelerating exploitation rate, improving operating efficiency, the feed cable that is exactly them need carry out folding and unfolding along with moving of equipment.U.S. JOY12CM continuous miner for example, the about 95mm of its cable cross-sectional area
2, reach more than 100 meter, transmit 1140 volts, the electric currents of 400 peaces, however often can only be when mobile by manually pulling, labour intensity is very big, advances, retreats extremely inconvenient, and draws the cable personnel to be exposed to fully when producing under the empty top, is easily hindered by roof fall, wall caving; When the equipment, then there is the danger that is subjected to the extruding of coal machine, is collided by coal conveyor.In addition, if cable is pushed by crawler belt or dawdle in the floor damages and leaks electricity, the life security of can serious threat drawing the cable personnel.
Because the operating environment of coal mine is special, the structure and the explosion-proof performance of electric equipment there is very high requirement.Produce at present and go up available volume cable machinery or simpler and easy, performance can't meet the demands; Perhaps unreasonable structure can't be in down-hole application; Perhaps do not carry out explosion-proof design or because of its explosion-proof performance only for being used for small-power, equipment that inflow-rate of water turbine is little, can't be applied to the condition of work of high-power, the big electric current of the large-scale mobile device in down-hole at all.
Life security in order to ensure the operating personnel alleviates labor strength, gives full play to the effect of large-scale mobile device, be necessary in fact to design a kind of can bearing great current, high voltage is used for the explosion-proof cable winding device of mobile device under the coal mine.
Summary of the invention
Technical problem to be solved by this invention provides a kind of energy bearing great current, high-tension explosion-proof cable winding device, can be applicable on the mobile device of coal mine operation, thereby cooperates moving of mobile device that its cable is carried out folding and unfolding.
For realizing above purpose, explosion-proof cable winding device of the present invention comprises cable drum assembly, explosion-proof current-collecting device and drive unit, described cable drum assembly comprises cable drum, block plate and hollow main shaft, described block plate is installed in the two ends of described cable drum, described cable drum under the drive of drive unit around fixing main axis rotation; Described explosion-proof current-collecting device is arranged on cable drum inside, the brush assembly of electric and the slip ring assembly that comprise explosion-proof tank and be arranged on explosion-proof tank inside, wherein, described brush assembly of electric is arranged on the explosion-proof tank casing and can rotates around the slip ring assembly that is fixed on the main shaft with cable drum, the feed cable of described brush assembly of electric and power supply electrically connects, and described slip ring assembly then is connected with equipment to be powered by cable.
Preferably, described slip ring assembly comprises a plurality of slip rings, and each slip ring and lead-in wire become integral body through the insulating material casting, and the end of slip ring surface and lead-in wire is exposed to outside the insulating material.
Preferably, described brush assembly of electric further comprises retainer and two brushes, described brush assembly of electric further comprises crossbearer, connecting plate and brush, two connecting plates are rotatably connected to the two ends of transverse slat by pivot, the free end of each connecting plate forms rotating the connection by pivot with a brush, and brush is pressed on the slip ring surface under the effect of flexible member.
More preferably, the surface that described brush contacts with slip ring is an arc, and curvature is identical with its corresponding slip ring surface.
More preferably, two conductive strips of described each brush connection.
More preferably, described flexible member is the spring that is connected between two connecting plates.
Preferably, described cable winding device further comprises the cable collating unit, described cable collating unit is parallel to the cable drum assembly on the whole, be wound up on the cable drum behind the cable process cable collating unit, described cable collating unit comprises leading screw, slide block and is arranged on dials the cable ring on the slide block, described leading screw is two-way leading screw, can rotate under the drive of drive unit, thus driving sliding block and pass cable reciprocating motion between two end points of leading screw of dialling the cable ring.
Preferably, the mode of described drive unit by linked transmission drives the leading screw rotation in cable drum and/or the cable collating unit.
Preferably; described cable winding device further comprises the blank coil protective device; described blank coil protective device comprises travel switch; described travel switch is arranged on the cable drum; and by holding wire and relevant control device connection; the cable that travel switch is wound onto on the cable drum is depressed, and when the cable on the travel switch was emitted, the corresponding control appliance cable drum of notice had been in sky cable state or directly control appliance is out of service thereby the travel switch decompression is upspring.
Preferably; described cable winding device further comprises overwinding safety gears; described overwinding safety gears comprise dials plate and travel switch; described travel switch is by holding wire and relevant control device connection; the described group of plate is on the predetermined altitude between the described block plate but do not rotate with block plate; cable winding can be by dialling the moving travel switch action of strip during to described height, thereby the corresponding control appliance cable drum of notice has been in full cable state or directly control appliance is out of service.
Explosion-proof cable winding device of the present invention has solved the technical barrier of the big electric current of folding and unfolding, thick cable in the mine specific environment, provide cable winding device, especially this device that can adapt to the specific (special) requirements of high-power mobile device twisted and released of the cable can carry 1140 volts, the above great fluctuation process electric current of 400 peaces.By using explosion-proof cable winding device of the present invention, solved the safety problem that the cable personnel are drawn in the down-hole, alleviate labor strength, realized the mechanization and the automation of large-scale mobile device twisted and released of the cable.And, avoided the extruding in the folding and unfolding process, the cable bad that collision is caused, saved cable spending expense, reduce downtime simultaneously, improved production efficiency.Only cooperate to connect with explosion-proof cable winding device that to adopt machine operation be that example is calculated, using 20 to interlock under the situation that the machine of adopting produces, the benefit of saving the labour expenses, increase driving rice number and saving that cable spending etc. brought reaches more than one hundred million units every year.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the preferred embodiment of the present invention;
Fig. 2 is the schematic side view of the preferred embodiment of the present invention;
Fig. 3 is the cross sectional representation of the explosion-proof current-collecting device of the preferred embodiment of the present invention.
Embodiment
Explosion-proof cable winding device of the present invention can be applied to various under the coal mine need be by the mobile device of feed cable power supply, for cooperating mobile device to use in working environment at coal mines, cable winding device of the present invention all should design targetedly at aspects such as overall dimension, installation site and each cell layouts.Size of devices, structural strength should be able to satisfy requirement of explosion proof, and the overall dimension of device (especially height) should be able to satisfy the requirement of underworkings height, and the storage cable quantity of cable drum structure should satisfy the needs of tunnelling footage.
Be example with U.S. JOY12CM series continuous miner (hereinafter to be referred as Lian Caiji) below, in conjunction with the accompanying drawings preferred implementation of the present invention be described in detail.In this preferred embodiment, cable winding device is installed in to connect adopts the machine upper middle position, each parts are installed on and form an integral body on the base plate of reinforcing, base plate tilts, stride across transporter is connected on the Lian Caiji by outrigger plate, and base plate can guarantee that with transportation chute base plate height coal stream passes through, and so neither influence connects and adopts machine examination and repair, cutterhead, transporter lifting and produce coal, and cable louding is reasonable, neither influences coal conveyor and is subjected to coal, guarantees that again coal machine driver sight line is clear.
Fig. 1, Fig. 2 show the overall structure of cable winding device of the present invention.Cable winding device partly is made up of cable drum assembly 10, explosion-proof current-collecting device 20, drive unit 30 and cable collating unit 40 etc., and various piece is connected on the base plate 1 by corresponding support or similar structures.
As shown in Figure 1, cable drum assembly 10 comprises cable drum 11, main shaft 12 and block plate 16,17.Main shaft 12 is by round steel and thick walled steel tube, connect to form wheel etc., it passes the center of cable drum 11, two ends are fixed on the rigid support on cable winding device both sides, and main shaft 12 is born the total weight of the cable of cable drum assembly 10, explosion-proof current-collecting device 20 and coiling.Cable drum 11 can be realized rotation by the bearing that is installed on the main shaft 12, and block plate 16,17 is installed on the two ends of cable drum 11 respectively in order to cable wound thereon is limited between two block plates.
Explosion-proof current-collecting device 20 comprises explosion-proof tank 21, brush assembly of electric 22, slip ring assembly 23, inlet wire wire connection cavity 24 and outlet wire connection cavity 25.As shown in Figure 1, explosion-proof current-collecting device 20 is arranged on the inner side of cable drum assembly, and explosion-proof tank 21 is the hexagon column, and its side is the part on cable drum 11 surfaces of drum cable simultaneously.A cover plate of explosion-proof tank 21 is connected with block plate 16, another cover plate then is connected with block plate 17 by many parallel steel tube that are arranged in the cage shape along this discoid cover plate circumferencial direction, this cage structure also constitutes the part of cable drum 11, can rotate on hollow shaft thereby be separately installed with steel lid double sealed bearing on the cover plate at explosion-proof tank 21 two ends.
Brush assembly of electric 22 and slip ring assembly 23 be all in explosion-proof tank 21 inside, and brush assembly of electric 22 is installed on explosion-proof tank 21 casings with rotation therewith, and 23 of slip ring assemblies are fixed on the main shaft 12.Inlet wire wire connection cavity 24 is arranged on reel 11 inside and is connected with the cover plate of explosion-proof tank 21, cable passes and enters inlet wire wire connection cavity 24 behind the gap of the steel pipe that forms cable drum 11 and link to each other with wherein binding post, outlet wire connection cavity 25 is arranged on the end of hollow spindle 12, brush assembly of electric 22 and slip ring assembly 23 are connected by the binding post in lead and inlet wire wire connection cavity 24 and the outlet wire connection cavity 25 respectively, connect the opening that the lead of outlet wire connection cavity 25 passes on the hollow spindle 12 and pass main shaft arrival outlet wire connection cavity 25.Each binding post of outlet wire connection cavity 25 then is connected to the electric power system of Lian Caiji via cable.
Take all factors into consideration factors such as the electric current that needs carrying is big, environmental vibration is big, own wt is big, for improving reliability during operation, the present invention has carried out special design to the structure of brush assembly of electric 22, slip ring assembly 23.
As shown in Figure 3, brush assembly of electric 22 comprises crossbearer 221, connecting plate 222, brush 223, spring 224 and conductive strips 225 etc.Transverse slat 221 is fixed on and connects on explosion-proof tank 21 casings, two connecting plates 222 are rotatably connected to the two ends of transverse slat 221 by pivot, the middle part of two connecting plates 222 is by spring 224 tensions, the free end of connecting plate 222 then forms rotating the connection by pivot with brush 223, brush 223 is that arc and the curvature slip ring surface corresponding with it is identical with the surface of slip ring contact, after the assembling, brush 223 is pressed on the slip ring surface under the effect of spring 224 pulling force, and, can both guarantee the reliability of device when slip ring assembly 23 rotates relatively on positive and negative both direction owing to whole brush assembly of electric 22 symmetrical configuration.Each brush 223 is connected with the cable that enters explosion-proof tank by two conductive strips 225.
Slip ring assembly 23 is the integral body that is formed through the insulating material casting by a plurality of slip rings 231 and lead-in wire thereof, and the end of slip ring surface and lead-in wire is exposed to outside the insulating material.On the one hand, the vibrations when such structure can prevent work cause relatively moving of each slip ring and lead-in wire position, and then avoid pitch smaller to produce sparkover; On the other hand, the high-k of insulating material also provides guarantee for device bears bigger voltage.Slip ring assembly 23 in this example is four slip rings 231 to be cast into one and to be fixed on the main shaft 12 do not rotate, brush assembly of electric 22 along with explosion-proof tank 21 together around main shaft 12 rotation, realized from mine power supply system through the electric power transfer of cable by both sliding contact to Lian Caiji.
Consider brush 223, the contact pressure of slip ring 231, coefficient of friction, factors such as the size of contact area, loaded current, heat radiation, volume, shape, material and manufacture craft.In order to ensure reliability during operation and useful life, selected import alloy brush in this example for use.
For making explosion-proof current-collecting device 20 satisfy requirement of explosion proof under the coal Minepit environment, and can carry big electric current simultaneously, explosion-proof tank shape, volume, obturation effect and compression strength, the size of conductive component, shape, position, interval and conductivity, the contact area of brush and slip ring, pressure, frictional force and both materials, shape, the sealing of bearing, the setting on explosion-proof composition surface, all many-sides such as the degree of crook of cable and fixed form all should calculate and design with reference to relevant explosion-proof criteria.
As shown in Figure 1, cable collating unit 40 is parallel to the front portion that cable drum 11 is arranged on cable winding device on the whole, cable can fitly be arranged on the cable drum 11 after arranging through cable collating unit 40, can prevent that cable from piling up in the part and make full use of space between the block plate 16,17.Cable collating unit 40 comprises leading screw 41, feed rod 42,43, slide block 45, dials cable ring 46 compositions.Leading screw 41, feed rod 42,43 are arranged on the support in parallel to each other, and leading screw 41 can drive rotation synchronously by cable drum 11 by the cooperation of sprocket wheel 34,35 and chain 37.Leading screw 41 is two-way leading screw, but therefore driving sliding block 45 is done reciprocating along feed rod 42,43 between two end points of leading screw 41.Dial cable ring 46 and be fixed on the slide block 45, can be arranged in an orderly manner on the cable drum 11 along with the cable that the rotation of cable drum 11 will be passed wherein.Here the rotating ratio of sprocket wheel 34,35 and the gearratio between slide block 45 and the leading screw should design according to the size of cable drum, the thickness of cable, whenever revolve the slide block that turns around moves about cable size under the drive of leading screw distance to guarantee cable drum.Because the lateral pull that group cable ring 46 on the arrange agencie is subjected to is very big, stopping means should be set for preventing distortion.
In addition, cable winding device of the present invention also is provided with guiding roller carriage 50 in the place ahead of cable collating unit, take place to scratch and cause wearing and tearing in order to the other parts that prevent cable and cable winding device or with mobile device and other Work machine, in this preferred embodiment, because being arranged on to connect, cable winding device adopts the machine upper middle position, even adopting dynamo-electric cable enters cable drum through driver's cabin one side roof part, therefore a little roller carriage has been installed on the driver's cabin top coversheet, cable has been played guiding, idler pulley effect.
In actual production, when the cable of reeling on the cable drum is all emitted on (empty cable state) or the cable drum around expiring cable when (expiring the cable state), should in time stop the coiling that moves or stop cable winding device of mobile device, in order to avoid cable winding device, cable or power supply unit are damaged.For this reason, cable winding device of the present invention also is provided with blank coil protective device and overwinding safety gears.
In the present embodiment; the blank coil protective device can be realized by the travel switch 61 that is arranged on the cable drum 11; the trip switch 61 is connected to the control device of mobile device; the cable that travel switch 61 is wound onto on the cable drum in the time of most of is depressed; but when remaining cable on the cable drum 11 encloses less than 5; notice mobile device cable drum has been in sky cable state or directly control appliance is out of service thereby travel switch 61 decompressions are upspring, thereby can avoid equipment and cable to be drawn bad.
Similarly, overwinding safety gears also can adopt the travel switch that is arranged on ad-hoc location to realize.In the present embodiment, on the position of certain altitude between two block plates, be provided with and dial plate, dialling plate does not rotate with block plate, when cable winding can be by dialling the moving travel switch action of strip during to the height of dialling the plate place, thereby the corresponding control appliance cable drum of notice has been in full cable state or directly control appliance is out of service.
In order to prevent that cable winding device of the present invention owing to situations such as roof fall, collision are damaged, also should be provided with guard assemblies such as top board, base plate.In the present embodiment, top board, base plate are made by steel plate.Consider the factors such as convenience of vibrations, dismounting and maintenance, base plate be connected on the steel plate that is welded on the crossbeam of Lian Caiji middle part by outrigger plate that outrigger plate is connected with high-strength bolt with steel plate.And considering head-room and cable drum overall dimension and to the partial roof falling at actual ability to bear, after the factors such as installation, maintenance convenience, four thick walled steel tubes are being welded on the cable drum base plate, again it is connected with telescoping tube, top board.
Cable winding device in the present embodiment is not limited to use on Lian Caiji, can need be used the mobile device that feed cable is reeled with any, be particularly useful under the environment that coal mine etc. has higher requirement of explosion proof, needs use the bigger large-scale mobile device of high voltage inflow-rate of water turbine.
Though be that the present invention will be described by above-mentioned preferred embodiment here, but those skilled in the art should understand, the present invention is not limited to the specific implementation described among this embodiment, in the scope that does not break away from essence of the present invention and spirit, can make amendment and change the structure of the layout of each unit, each several part and implementation.
Claims (10)
1. an explosion-proof cable winding device comprises cable drum assembly, explosion-proof current-collecting device and drive unit, described cable drum assembly comprises cable drum, block plate and hollow main shaft, described block plate is installed in the two ends of described cable drum, described cable drum under the drive of drive unit around fixing main axis rotation; Described explosion-proof current-collecting device is arranged on cable drum inside, the brush assembly of electric and the slip ring assembly that comprise explosion-proof tank and be arranged on explosion-proof tank inside, it is characterized in that, described brush assembly of electric is arranged on the explosion-proof tank casing and can rotates around the slip ring assembly that is fixed on the main shaft with cable drum, the feed cable of described brush assembly of electric and power supply electrically connects, and described slip ring assembly then is connected with equipment to be powered by cable.
2. explosion-proof cable winding device according to claim 1 is characterized in that described slip ring assembly comprises a plurality of slip rings, and each slip ring and lead-in wire become integral body through the insulating material casting, and the end of slip ring surface and lead-in wire is exposed to outside the insulating material.
3. explosion-proof cable winding device according to claim 1, it is characterized in that, described brush assembly of electric further comprises crossbearer, connecting plate and brush, two connecting plates are rotatably connected to the two ends of transverse slat by pivot, the free end of each connecting plate forms rotating the connection by pivot with a brush, and brush is pressed on the slip ring surface under the effect of flexible member.
4. explosion-proof cable winding device according to claim 3 is characterized in that, the surface that described brush contacts with slip ring is an arc, and curvature is identical with its corresponding slip ring surface.
5. according to claim 3 or 4 described explosion-proof cable winding devices, it is characterized in that described each brush connects two conductive strips.
6. explosion-proof cable winding device according to claim 5 is characterized in that, described flexible member is the spring that is connected between two connecting plates.
7. explosion-proof cable winding device according to claim 1, it is characterized in that, described cable winding device further comprises the cable collating unit, described cable collating unit is parallel to the cable drum assembly on the whole, be wound up on the cable drum behind the cable process cable collating unit, described cable collating unit comprises leading screw, slide block and is arranged on dials the cable ring on the slide block, described leading screw is two-way leading screw, can under the drive of drive unit, rotate, thus driving sliding block and pass cable reciprocating motion between two end points of leading screw of dialling the cable ring.
8. explosion-proof cable winding device according to claim 1 is characterized in that, the mode of described drive unit by linked transmission drives the leading screw rotation in cable drum and/or the cable collating unit.
9. explosion-proof cable winding device according to claim 1; it is characterized in that; described cable winding device further comprises the blank coil protective device; described blank coil protective device comprises travel switch; described travel switch is arranged on the cable drum; and by holding wire and relevant control device connection; the cable that travel switch is wound onto on the cable drum is depressed; when the cable on the travel switch was emitted, the corresponding control appliance cable drum of notice had been in sky cable state or directly control appliance is out of service thereby the travel switch decompression is upspring.
10. explosion-proof cable winding device according to claim 1; it is characterized in that; described cable winding device further comprises overwinding safety gears; described overwinding safety gears comprise dials plate and travel switch; described travel switch is by holding wire and relevant control device connection; the described group of plate is on the predetermined altitude between the described block plate but do not rotate with block plate; cable winding can be by dialling the moving travel switch action of strip during to described height, thereby the corresponding control appliance cable drum of notice has been in full cable state or directly control appliance is out of service.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101198414A CN100521425C (en) | 2007-08-01 | 2007-08-01 | Explosion-proof cable winding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101198414A CN100521425C (en) | 2007-08-01 | 2007-08-01 | Explosion-proof cable winding device |
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| CN101110515A true CN101110515A (en) | 2008-01-23 |
| CN100521425C CN100521425C (en) | 2009-07-29 |
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| CNB2007101198414A Active CN100521425C (en) | 2007-08-01 | 2007-08-01 | Explosion-proof cable winding device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291050B (en) * | 2008-06-11 | 2010-06-02 | 中国石油集团钻井工程技术研究院 | Electric cable winding/paying off device, down-hole information transmission apparatus and method |
| CN102424302A (en) * | 2011-08-19 | 2012-04-25 | 山东兖煤精益机电设备有限公司 | Cable drum |
| CN102522717A (en) * | 2011-11-30 | 2012-06-27 | 连云港星火岸电工程有限公司 | High voltage cable reel |
| CN106058783A (en) * | 2016-07-06 | 2016-10-26 | 合肥通鼎光电科技有限公司 | Communication cable coiling/uncoiling system for low-altitude sensing unmanned aerial vehicle |
| CN106081750A (en) * | 2016-08-04 | 2016-11-09 | 江苏绿扬电子仪器集团有限公司 | Automatic passive cable coiling device |
| CN107128750A (en) * | 2017-06-28 | 2017-09-05 | 北京石油化工学院 | Novel robot umbilical cables reeling-up reeling-out device |
| CN109193447A (en) * | 2018-10-25 | 2019-01-11 | 贵州金能建设工程有限公司 | A kind of power transmitting device of the cable maintenance with functions of waterproof and dustproof |
| CN109372534A (en) * | 2018-11-15 | 2019-02-22 | 江西蓝翔重工有限公司 | The drill loader group of tape cable reel on a kind of transport groove body |
| CN116199054A (en) * | 2023-04-03 | 2023-06-02 | 四川宏华电气有限责任公司 | Explosion-proof photoelectric composite communication cable drum device |
| CN116331961A (en) * | 2023-04-03 | 2023-06-27 | 四川宏华电气有限责任公司 | Explosion-proof high-voltage cable winding drum device |
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2007
- 2007-08-01 CN CNB2007101198414A patent/CN100521425C/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291050B (en) * | 2008-06-11 | 2010-06-02 | 中国石油集团钻井工程技术研究院 | Electric cable winding/paying off device, down-hole information transmission apparatus and method |
| CN102424302A (en) * | 2011-08-19 | 2012-04-25 | 山东兖煤精益机电设备有限公司 | Cable drum |
| CN102522717A (en) * | 2011-11-30 | 2012-06-27 | 连云港星火岸电工程有限公司 | High voltage cable reel |
| WO2013078762A1 (en) * | 2011-11-30 | 2013-06-06 | 连云港星火岸电工程有限公司 | High voltage cable spooling machine |
| CN102522717B (en) * | 2011-11-30 | 2013-07-17 | 江苏新航电气有限公司 | High voltage cable reel |
| CN106058783A (en) * | 2016-07-06 | 2016-10-26 | 合肥通鼎光电科技有限公司 | Communication cable coiling/uncoiling system for low-altitude sensing unmanned aerial vehicle |
| CN106081750A (en) * | 2016-08-04 | 2016-11-09 | 江苏绿扬电子仪器集团有限公司 | Automatic passive cable coiling device |
| CN107128750A (en) * | 2017-06-28 | 2017-09-05 | 北京石油化工学院 | Novel robot umbilical cables reeling-up reeling-out device |
| CN109193447A (en) * | 2018-10-25 | 2019-01-11 | 贵州金能建设工程有限公司 | A kind of power transmitting device of the cable maintenance with functions of waterproof and dustproof |
| CN109372534A (en) * | 2018-11-15 | 2019-02-22 | 江西蓝翔重工有限公司 | The drill loader group of tape cable reel on a kind of transport groove body |
| CN116199054A (en) * | 2023-04-03 | 2023-06-02 | 四川宏华电气有限责任公司 | Explosion-proof photoelectric composite communication cable drum device |
| CN116331961A (en) * | 2023-04-03 | 2023-06-27 | 四川宏华电气有限责任公司 | Explosion-proof high-voltage cable winding drum device |
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| CN100521425C (en) | 2009-07-29 |
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