CN101058376A - Spooling device - Google Patents

Spooling device Download PDF

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Publication number
CN101058376A
CN101058376A CNA200710101267XA CN200710101267A CN101058376A CN 101058376 A CN101058376 A CN 101058376A CN A200710101267X A CNA200710101267X A CN A200710101267XA CN 200710101267 A CN200710101267 A CN 200710101267A CN 101058376 A CN101058376 A CN 101058376A
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CN
China
Prior art keywords
contact disc
rotary transmitter
press
contact
spindle frame
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
CNA200710101267XA
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Chinese (zh)
Other versions
CN101058376B (en
Inventor
A·布伦贝格
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Saurer GmbH and Co KG
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 Saurer GmbH and Co KG filed Critical Saurer GmbH and Co KG
Publication of CN101058376A publication Critical patent/CN101058376A/en
Application granted granted Critical
Publication of CN101058376B publication Critical patent/CN101058376B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/08—Slip-rings
    • H01R39/10—Slip-rings other than with external cylindrical contact surface, e.g. flat slip-rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/74—Driving arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B65H67/044—Continuous winding apparatus for winding on two or more winding heads in succession
    • B65H67/048—Continuous winding apparatus for winding on two or more winding heads in succession having winding heads arranged on rotary capstan head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)

Abstract

The present invention relates to a thread winding device for winding filament continuously which contains multiple coil spindles arranged at a rotatable driven spindle shelf. Thereinto, the implementation element is located on the coil spindles for retaining and forming of a winding package, and the implementation element connects with the fixed controller by at least a rotatable transducer, which has multiple sliding contact points between a rotor and a stator. In order to obtain the compacting structure matching with the spindle shelf as much as possible, according to this invention, the rotor is formed by a flat contact disc, where the points are designed parallel at a front side of the disc.

Description

Winding device
Technical field
The present invention relates to a kind of winding device that is used for the continuous reeling long filament by claim 1 preamble.
Background technology
Well-known in melt spinning process manufacturing synthetic filaments, long filament is wound into wraparound continuously by winding device.Known for this reason winding device has a spindle frame that rotatably drives, the Spulspindelspulspindel of at least two rotatable supportings in cantilever ground of its supporting, and the control position and that they alternately enter a winding filaments changes reel the replacing position of bare bobbin into.Therefore in this winding device, need to give the power element energize that is equipped on the Spulspindelspulspindel that is used for supporting and form wraparound and control by so-called rotary transmitter.For example by the known a kind of such winding device of DE 199 15 236 A1.
Being provided with one in known winding device is used for rotary transmitter and to the power element energy supply of compressed air-driven and is used for rotary transmitter at the electric powerplant of spindle frame centre of gration.In order to obtain saving the structure of position, rotary transmitter is done with one heart mutually with its rotor and stator.But this layout has big shortcoming, promptly produces interference problem when power lead and control line are a lot.Owing to the suit rotary transmitter, this rotary transmitter can not keep in repair and change individually in addition.
Known in addition, the electric power rotary transmitter not only is used for to the actuating device power supply in this winding device, and the sensor signal that is equipped on the sensor of Spulspindelspulspindel can be transferred to a fixing control setup to an increasingly great extent.For example by US 5,900,553 known a kind of winding devices, wherein sensor signal is transferred to a fixing control setup by rotary transmitter from the spindle frame of rotation.Particularly, known by DE 199 15 236 A1 and US 5,900,533 for electric energy transmitting and signal, adopt to have a plurality of rotary transmitters that axially are arranged side by side the moving contact position on.According to the quantity of power element and sensor, must adopt the long rotary transmitter of structure, but this is difficult to be installed in the centre of gration of spindle frame thus.
Summary of the invention
The objective of the invention is to create a kind of this type of winding device now, wherein be used for doing compactly as far as possible to the rotary transmitter of the power supply of the power element on the spindle frame that is fixed on rotation.
Another object of the present invention is, creates a kind of bobbin-winding machine that has rotary transmitter, and this rotary transmitter particularly can highly be integrated between power element and the sensor.
Realize by such mode that according to this purpose of the present invention promptly the rotor of rotary transmitter is made of a flat contact disc, each moving contact position is arranged side by side on an end face of contact disc.
The good improvement structure of the present invention is determined by the feature and the characteristics combination of dependent claims.
The present invention has special advantage, and promptly rotary transmitter is particularly in the situation and the function match of position demand side and spindle frame.For example known, each Spulspindelspulspindel must have bigger phase mutual edge distance, has larger-diameter wraparound so that can form, and does not influence each other and interfere.Therefore obtain the part area that radially do not utilize on the spindle frame, it can advantageously be used in very compact design of winding device by the present invention.Here can on the narrowest space of contact disc, realize many moving contacts position, make the electric energy supply respect that particularly transmits advantageously to walk abreast and connect a plurality of power elements and sensor at signal.
Wherein contact disc of the present invention except that the moving contact position, also have one around the improvement structure of angle mark for control actuating component and spindle frame actuating device advantageous particularly, angle mark and sensing device combined action are to determine corner.For example in order to form wraparound and to change wraparound and requirement, Spulspindelspulspindel as far as possible accurately is positioned on its position by the spindle frame.Particularly for the situation of carrying out offset movement during winding filament and formation wraparound by the spindle frame, the guiding of spindle frame needs especially accurately carry out.Therefore can advantageously utilize for this reason have simple angle mark for example as the contact disc of groove mark (Strickmarkierung), to realize the location recognition of spindle frame.
Here the improvement structure advantageous particularly that the present invention is such, in this structure, the angle mark on the contact disc comprises coding, and it indicates the angle position for the spindle frame.Thereby can determine the absolute angle of spindle frame, make and to give the definite angle of spindle frame one in 3 to 360 ° of scopes at any time, make that the Spulspindelspulspindel on the spindle frame can very accurately and critically be located.
Here angle mark both can be advantageously also can be on contact disc end face or circumference by printing according to material and by corrosion processing.
In order to measure corresponding angle position, preferably by an optical sensor perception angle mark, this sensitive member is connected with control setup.For example can utilize the optical signal that produces and receive by a projector to come the detection angles mark by receptor.But also can adopt other electric sensitive members of not mentioning in principle here, so that for example by responding to the mark that takes measurement of an angle.
Obtain high resolution and high thus precision in order to locate in spindle frame angle position, angle mark is preferably disposed on the outward flange of contact disc.Here slider can be advantageously be made of the ribbon conductor of annular, and their ground that distributes with one heart mutually keeps respectively contacting with the fixedly slider electrical of stator.Here angle mark its outer edges place surrounds ribbon conductor.
Here contact disc both can directly also can be made by plastics or metal by conductive material.
Lay for the integrated and lead in winding device, the such improvement structure of the present invention proves particularly advantageous, and in this structure, rotor design is on the circumference of a hollow shaft, and hollow shaft is captiveed joint with the spindle frame and formed a pipeline passway.Therefore lead can be guided each power element into by spindle frame centre of gration.
In order to transmit the energy of other types, hollow shaft advantageously is connected with another rotary transmitter here, makes for example can carry out compressed air delivery by the pipeline passway of hollow shaft equally, with power element energy supply and the control to compressed air-driven.
Rotary transmitter both can be arranged in the spindle frame and also can be arranged on outside the spindle frame.In order to suppress ectocine to the greatest extent, preferably implement the such improvement structure of the present invention, wherein rotary transmitter is installed in the outer control box of spindle frame.Can in protected space not affected by environment, realize the photoelectron measurement of angle mark thus.
Description of drawings
Present invention will be described in detail with reference to the accompanying by means of some embodiment of winding device of the present invention below.
Accompanying drawing is represented:
The schematic, cross-sectional diagram of first embodiment of Fig. 1 apparatus of the present invention,
The local enlarged diagram of embodiment among Fig. 2 Fig. 1 with a rotary transmitter,
The diagrammatic top view of rotary transmitter among Fig. 3 Fig. 2,
The diagrammatic top view of another embodiment of Fig. 4 rotary transmitter.
The specific embodiment
Schematically illustrate first embodiment of winding device of the present invention among Fig. 1 with sectional elevation.
This embodiment represents a spindle frame 1, and it is designed to tubular and can be rotated to support in the housing 3 by a housing bearing 10.Spindle frame 1 has a gear ring 7 on circumference, it is connected with the gear motor 9 that is used to drive spindle frame 1 by driving device 8.Gear motor 9 is by control setup 20 controls.
On spindle frame 1, leave certain distance mutually and stagger 180 ° especially mutually by bearing 6.1 and 6.2 rotatably mounted two Spulspindelspulspindels 2.1 and 2.2.Spulspindelspulspindel 2.1 at one end is connected with 4.2 with a spindle motor 4.1 respectively with 2.2.Spindle motor 4.1 is equipped on Spulspindelspulspindel 2.1, and spindle motor 4.2 is equipped on Spulspindelspulspindel 2.2.At the opposite side of spindle frame 1, Spulspindelspulspindel 2.1 and 2.2 has a bobbin tensioner 5.1 and 5.2 respectively, with fixing unillustrated here bobbin.Here on each Spulspindelspulspindel 2.1 and 2.2, can fix one or more bobbins respectively by bobbin tensioner 5.1 and 5.2.
A hollow shaft 11 is captiveed joint with spindle frame 1 at the centre of gration place of spindle frame 1.Hollow shaft 11 extends on a side of the fixedly spindle motor 4.1 of spindle frame and 4.2.Hollow shaft 11 is used for one first rotary transmitter 12 is bearing on hollow shaft 11 circumference and with second rotary transmitter 15 and is bearing on the free end of hollow shaft 11.Rotary transmitter 12 is used for transmitted power and gives power-actuated power element power supply, and power element is made of spindle motor 4.1 and 4.2 in the present embodiment.For this reason rotary transmitter 12 have one with hollow shaft 11 bonded assembly rotors 13.Rotor 13 is designed to contact disc 17, wherein fixes a stator 14 on the opposite of contact disc 17 1 end faces also by moving contact position and rotor 13 couplings connection, and stator 14 is connected with control setup 20.Rotor 13 is connected with 4.2 with spindle motor 4.1 with 16.2 by lead 16.1.The 26S Proteasome Structure and Function of rotary transmitter 12 describes in detail in the back again.
Rotary transmitter 12 sets a sensing device 19, by the angle position of its sensing spindle frame.Sensing device 19 is connected with control setup 20.The 26S Proteasome Structure and Function of sensing device 19 elaborates equally in the back again.
Rotary transmitter 15 is arranged on hollow shaft 11 ends, rotary transmitter is connected with the power element of compressed air-driven with 18.2 by pipeline 18.1 in rotation one side, under described situation, be connected with 5.2, and be connected with pressurized air supply line 30 in fixation side with sleeve fixing device 5.1.For example by the known this rotary transmitter of DE 198 52 458 A1, therefore here in detail referring to the disclosure text.
Rotary transmitter 12, sensing device 19 and rotary transmitter 15 are installed in the control box 21.Here energy supply line and control line are imported from the outside.
Winding device of the present invention is at the one or more strands of long filaments that are used for reeling of the embodiment shown in Fig. 1, and their are for example made in the melt spinning process continuously.The function of this winding device is for example known by EP 0 770 030 B1, therefore no longer describes in detail here.
In order to guarantee to be arranged on the power supply of the power element (being spindle motor 4.1 and 4.2) on the spindle frame 1 under described situation, between fixing control setup 20 and spindle motor 4.1 and 4.2, rotary transmitter 12 is set.In Fig. 2 and 3, represent rotary transmitter 12 and sensing device 19 with a plurality of views.Fig. 2 schematically illustrates rotary transmitter 12 with sectional elevation, represents rotary transmitter 12 with birds-eye view among Fig. 3.If specifically do not refer to certain figure in this respect, below explanation is applicable to two figure.Rotary transmitter 12 has a rotor 13 and a stator 14.Rotor is made of a contact disc 17, and it is captiveed joint with hollow shaft 11.Hollow shaft 11 be connected with unillustrated spindle frame 1 here and both can cw also can left-hand revolution.
On contact disc 17 end faces 31, form a plurality of contacts site 26.The ribbon conductor 25 of a plurality of annulars is set to nested, concentric on the end face 31 of contact disc 17 for this reason mutually.Each ribbon conductor 25 is connected with a power element by a lead.In the present embodiment, three of beginnings are positioned at in-to-in ribbon conductor 25 and are connected with spindle motor 4.1 (Fig. 1) by lead 16.1.Outside three ribbon conductors 25 are connected (Fig. 1) by lead 16.2 with spindle motor 4.2.Every ribbon lead plays the osed top slip ring.
Stator 14 is arranged on end face 31 opposites.For every ribbon lead 25, stator 14 has a slide block 27, and it is preferably in and remains under the spring force effect on the corresponding ribbon conductor 25.Slide block 27 is connected with control setup 20 by lead.Therefore slide block 27 and ribbon conductor 25 constitute an electric contact, make power supply and the control that also guarantees spindle motor 4.1 and 4.2 when the spindle frame rotatablely moves.
Rotary transmitter 12 sets one and is used to measure the sensing device 19 that the spindle chord position is put.Sensing device 19 has the angle mark 22 that forms in the contact disc outer edge for this reason.Angle mark 22 constitutes by the lines of bonding on contact disc 17 end faces 31 or impression in the present embodiment.The distance short on end face 31 opposites is provided with an optical sensor 29, by its detection angles mark 22 non-contactly.For this reason sensitive member 29 have one be used for producing signal for example optical signal transmitting device 23 and receive the receptor 24 of reflected signal.The increment type that can carry out the angle position thus detects, thereby spindle frame actual position at that time directly can be transferred to control setup 20.Because the angle mark that forms in the contact disc outer edge makes position measurement can have high resolution and precision.Do not need the rotary angle transmitter that adds, so the combination of rotary transmitter 12 and sensing device 19 causes a kind of overall plan of very compact and cost optimization for this reason.
In the angle mark shown in Fig. 3, best mark one bench mark, it for example stipulates one 0 ° initial angle.Thereby can determine accurate angle position by simple computation groove quantity.Require the spindle frame to do the benchmark motion because this system has no progeny when process begins and in the process, so that the angle position is corresponding, angle mark also can realize by coding.
Schematically illustrate an embodiment of the rotary transmitter that has sensing device in Fig. 4 with birds-eye view, wherein its outer edges place applies angle mark 22, and it comprises coding 28.Coding 28 determines that by a plurality of grooves are capable these grooves are capable to have nothing in common with each other mutually in the present embodiment.In coding 28, there is a definite capable combination of the groove that can not repeat, can discerns absolute angular position thus for each point on the circumference.Therefore be in operation certainly and can discern the angle position of spindle frame after disconnected or process begins automatically.
The angle mark shown in Fig. 2 to 4 and sensitive member only be illustrative and can replace with similar known angle coding scheme.For example can on printed circuit board material, make coding by corrosion.Except detecting, photoelectron also can adopt coil pickup.For winding device of the present invention importantly, as the contact disc of rotary transmitter rotor integrated angle coding easily.For example contact disc also can directly be made by the printed circuit board material with the groove that corrodes or by the metal or the vinyl disc of band printed codes.Therefore ribbon conductor can be directly integrated or around notes in plastics.
The pictorial symbolization table
1 spindle shelf
2.1,2.2 Spulspindelspulspindels
3 housings
4.1,4.2 spindle motors
5.1,5.2 sleeve clamping devices
6.1,6.2 bearings
7 gear rings
8 drivings device
9 gear motors
10 housing bearings
11 hollow shafts
12 rotary transmitters
13 rotors
14 stators
15 rotary transmitters
16 leads
17 contact discs
18 pipelines
19 sensing devices
20 control setups
21 control boxs
22 angle marks
23 projectors
24 receptors
25 ribbon conductors
26 contacts site
27 slide blocks

Claims (11)

1. the winding device that is used for the continuous reeling long filament, comprise the Spulspindelspulspindel (2.1 on a plurality of spindle framves (1) that are arranged on a rotatable driving, 2.2), described Spulspindelspulspindel sets a plurality of power elements (4.1 that are used to support and form wraparound, 4.2), wherein power element (4.1,4.2) be connected with a control setup (20) of fixing by at least one rotary transmitter (12), rotary transmitter (12) has a plurality of moving contacts position (26) between a rotor (13) and a stator (14), it is characterized by:
Rotor (13) is made of a flat contact dish (17), and moving contact position (26) are designed side by side on an end face (31) of contact disc (17).
2. press the device of claim 1,
It is characterized by:
Contact disc (17) except that the moving contact position, also have one around angle mark (22), it and a sensing device (19) combined action are to determine corner.
3. press the device of claim 2,
It is characterized by:
Angle mark (22) on the contact disc (17) comprises a coding (28), and it gives the angle position for spindle frame (1).
4. press the device of claim 2 or 3,
It is characterized by:
One of the end face (31) that angle mark (22) is produced on contact disc (17) by printing or corrosion go up or the circumference of contact disc (17) on.
5. by each device of claim 2 to 4,
It is characterized by:
Sensing device (19) is made of an optical sensor (29), and it is connected with control setup (20).
6. by each device of claim 1 to 5,
It is characterized by:
Wipe contact (26) on the end face (31) of contact disc (17) is made of the ribbon conductor (25) of annular, and these ribbon conductors ground that distributes with one heart mutually electrically contacts with one of stator (14) fixing slide block (27) respectively.
7. press the device of claim 6,
It is characterized by:
Angle mark (22) is arranged on one of contact disc (17) and surrounds on the outward flange of ribbon conductor (25).
8. press the device of claim 6 or 7,
It is characterized by:
Contact disc (17) is made of printed circuit board material or plastics.
9. by each device of claim 1 to 8,
It is characterized by:
Rotor (13) design is on the circumference of a hollow shaft (11), and this hollow shaft is captiveed joint with spindle frame (1) and formed a pipeline passway.
10. press the device of claim 9,
It is characterized by:
Hollow shaft (11) is connected with another rotary transmitter (15), carries out compressed air delivery by it, with power element (5.1,5.2) energy supply and the control to compressed air-driven.
11. by each device of claim 1 to 10,
It is characterized by:
Rotary transmitter (12,15) is installed in outside the spindle frame (1) in the control box (21).
CN200710101267XA 2006-04-22 2007-04-20 Spooling device Expired - Fee Related CN101058376B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610018820 DE102006018820A1 (en) 2006-04-22 2006-04-22 Thread winding device, has actuators coupled with stationary controller by rotatable transducer, which has sliding contact points between rotor and stator, where rotor is formed by flat contact disc having circulating angle markings
DE102006018820.9 2006-04-22

Publications (2)

Publication Number Publication Date
CN101058376A true CN101058376A (en) 2007-10-24
CN101058376B CN101058376B (en) 2012-02-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN200710101267XA Expired - Fee Related CN101058376B (en) 2006-04-22 2007-04-20 Spooling device

Country Status (2)

Country Link
CN (1) CN101058376B (en)
DE (1) DE102006018820A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101861069A (en) * 2009-04-09 2010-10-13 鸿富锦精密工业（深圳）有限公司 Electronic equipment and rotary connecting device thereof
CN103648941A (en) * 2011-07-15 2014-03-19 里特机械公司 Bobbin-winding machine
CN106684662A (en) * 2017-01-22 2017-05-17 苏州元谋智能机器人***有限公司 Conductive slip ring for measuring absolute rotation angle
CN109672065A (en) * 2018-10-29 2019-04-23 珠海格力电器股份有限公司 transmission structure
CN113451856A (en) * 2021-08-30 2021-09-28 广东电网有限责任公司东莞供电局 Rotary conductive connector and conductive equipment

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2394576B1 (en) * 2010-01-26 2013-12-12 Gamesa Innovation & Technology, S.L. HIGH VOLTAGE ELECTRICAL ROTARY UNION
US20170233215A1 (en) 2016-02-15 2017-08-17 Reel Power Licensing Corp. Automatic cut and transfer coiler and or spooler
DE102021123260A1 (en) 2020-09-23 2022-03-24 Oerlikon Textile Gmbh & Co. Kg winding machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213573A (en) * 1979-03-07 1980-07-22 Reiter Machine Works, Ltd. Air coupling
JPH08301523A (en) * 1995-04-28 1996-11-19 Toray Ind Inc Filament winding method and winding device therefor
DE19832811A1 (en) * 1997-07-26 1999-01-28 Barmag Barmer Maschf Bobbin winding method
DE19852458A1 (en) * 1997-11-19 1999-05-20 Barmag Barmer Maschf Bobbin winder
DE19915236A1 (en) * 1999-04-03 2000-10-05 Rieter Ag Maschf Continuous filament winding device
CN2576686Y (en) * 2002-10-28 2003-10-01 江西喜泰电机有限公司 Brush-free groove-free automatic spooling motor

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101861069A (en) * 2009-04-09 2010-10-13 鸿富锦精密工业（深圳）有限公司 Electronic equipment and rotary connecting device thereof
CN103648941A (en) * 2011-07-15 2014-03-19 里特机械公司 Bobbin-winding machine
CN103648941B (en) * 2011-07-15 2016-10-26 里特机械公司 Bobbin winder
US9708151B2 (en) 2011-07-15 2017-07-18 Maschinefabrik Rieter Ag Bobbin winding machine
CN106684662A (en) * 2017-01-22 2017-05-17 苏州元谋智能机器人***有限公司 Conductive slip ring for measuring absolute rotation angle
CN106684662B (en) * 2017-01-22 2022-10-28 苏州新优化投资咨询有限公司 Conductive slip ring for measuring absolute rotation angle
CN109672065A (en) * 2018-10-29 2019-04-23 珠海格力电器股份有限公司 transmission structure
CN109672065B (en) * 2018-10-29 2024-03-08 珠海格力电器股份有限公司 Transmission structure
CN113451856A (en) * 2021-08-30 2021-09-28 广东电网有限责任公司东莞供电局 Rotary conductive connector and conductive equipment
CN113451856B (en) * 2021-08-30 2021-11-16 广东电网有限责任公司东莞供电局 Rotary conductive connector and conductive equipment

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Publication number Publication date
DE102006018820A1 (en) 2007-10-25
CN101058376B (en) 2012-02-01

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