CN104627860B - A kind of balance crane of being convenient to dismantle lifting nut - Google Patents
A kind of balance crane of being convenient to dismantle lifting nut Download PDFInfo
- Publication number
- CN104627860B CN104627860B CN201510080608.4A CN201510080608A CN104627860B CN 104627860 B CN104627860 B CN 104627860B CN 201510080608 A CN201510080608 A CN 201510080608A CN 104627860 B CN104627860 B CN 104627860B
- Authority
- CN
- China
- Prior art keywords
- guide groove
- lifting nut
- lower plate
- transmission case
- plate
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
Abstract
The invention discloses a kind of balance crane of being convenient to dismantle lifting nut, belong to balance crane technical field. The present invention includes transmission case, top cover, connecting plate, screw mandrel, lifting nut and connecting axle, the top movable of transmission case is connected with top cover, and the both sides of transmission case offer respectively the first guide groove and the second guide groove; Screw mandrel runs through transmission case, is arranged with lifting nut on screw mandrel; The lifting nut left and right sides is connected with respectively connecting axle, and this connecting axle also inserts respectively in the first guide groove and the second guide groove through connecting plate; Connecting plate comprises and connects lower plate and be connected upper plate, connects lower plate and is connected upper plate engagement connection axle, connects lower plate and is connected upper plate flexible connection. The present invention selects the mode of subdivision connecting plate, and transmission efficiency is unaffected, by the structural design of optimizing, makes the replacing of lifting nut very convenient, has improved the operating efficiency of balance crane.
Description
Technical field
The present invention relates to balance crane technical field, more particularly, relate to a kind of balance crane of being convenient to dismantle lifting nut.
Background technology
Balance crane is a kind of material handling appliance, adopts unique spiral lifting mechanism to carry out lifting weight. Balance crane mainly comprises electricityDynamic balancing is hung, Pneumatic balance crane and hydraulic balancing crane, and wherein to hang be the one of commonly using to electrodynamic balance, and it utilizes driven by motor silkBar rises and carrys out lifting cargo, and the object that is mainly used in workshop lifting workpiece or local space moves, and has flexible, light, costThe feature such as low.
At present common electrodynamic balance hangs on the market, and the assembling of its numerous parts all adopts assemble welding, although so ensured zeroThe reliability of assembling between part. But rely on feed screw nut slew gear to complete to move up and down in view of electrodynamic balance hangs, nut is at silkOn bar, lifting is very frequent, and screw mandrel, nut easily wear and tear, and particularly lifting nut need to frequently be changed. And existing balance craneIn the time changing lifting nut, the connecting axle that both sides need to be connected to lifting nut and counterweight connecting rod is extracted out from lifting nut,Connecting axle and lifting nut belong to again interference fit, and on connecting axle, are bearing the weight of parallelogram rod member peace weighing apparatus hammer, take outGo out the frictional force that connecting axle need to overcome larger. In view of the foregoing, in existing balance crane structural design, once lifting nut damagesWound, changes extremely inconvenience, and this has affected the operating efficiency of balance crane greatly.
Through retrieval, China Patent No. ZL201320157738.X, Granted publication day is on August 28th, 2013, innovation and creation nameBe called: a kind of balance crane transmission device, the balance crane drive link of this application case is provided with shaft coupling, and shaft coupling comprises and is plug-in typeThe upper coupling of structure and lower coupler, connect by pin nylon rod between upper coupling and lower coupler, one of upper couplingSide is provided with gland, and gland one side is locked by fastening screw nut; One side of lower coupler is provided with plane bearing, the end of plane bearingBe provided with and cap. By pin nylon rod transmitting torque, in the time that lifting overloads, the fracture of middle nylon rod turning position, thus playSafeguard protection effect. Meanwhile, transmission (copper) nut is dissection type, fixes by gland, in the time that transmission copper nut weares and teares, tears openExcept the fastening screw on gland, can take out the transmission copper nut of wearing and tearing, easy to maintenance, need not remove whole machine balancing and hang drive linkDevice. This application case adopts the mode of copper nut subdivision is solved to the not easily changeable problem of nut wearing and tearing, does not consider transmission effectThe problem that rate possibility is impaired, result of use is not good.
Summary of the invention
1. the technical problem that invention will solve
The object of the invention is to overcome not easily changeable problem after the lifting nut wearing and tearing of balance crane in prior art, provide onePlant balance crane and the lifting nut method for dismounting of being convenient to dismantle lifting nut; The present invention considers that subdivision lifting nut can cause liftingThe transmission efficiency of nut is impaired, changes the mode that adopts subdivision connecting plate into, and by the structural design of optimizing, makes lifting nutReplacing very convenient, improved the operating efficiency of balance crane.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
A kind of balance crane of being convenient to dismantle lifting nut of the present invention, comprises transmission case, top cover, counterweight, connecting plate, parallelQuadrangle rod member, motor, screw mandrel, lifting nut, connecting axle and column, described upright supports transmission case, this transmission caseTop movable is connected with top cover, and the both sides of transmission case offer respectively the first guide groove and the second guide groove; Described screw mandrel runs through transmissionCase, the bottom of this screw mandrel is connected with motor, is arranged with lifting nut on screw mandrel; The described lifting nut left and right sides connects respectivelyHave connecting axle, this connecting axle also inserts respectively in the first guide groove and the second guide groove through connecting plate; Described connecting plate comprises connectionLower plate be connected upper plate, the one end that connects lower plate connects counterweight, the other end of this connection lower plate connects parallelogram rod member;Connect lower plate and be connected upper plate engagement connection axle, connect lower plate and be connected upper plate flexible connection.
Further, described connection lower plate, connection upper plate are connected with set bolt by fixed head, on fixed head, offerConnecting hole, this connecting hole is corresponding with the connecting hole of offering on connection lower plate, connection upper plate, and set bolt inserts in described connecting hole,Connection lower plate, connection upper plate are connected to an entirety.
Further, described the first guide groove, the second guide groove includes vertical guide groove and horizontal guide groove, the first guide groove laterallyGuide groove is offered the horizontal guide groove of direction and the second guide groove and is offered opposite direction.
Further, offer the first fixing hole, the second fixing hole on described transmission case, this first fixing hole, second admittedlyDetermining hole all offers in pairs in transmission case both sides; Accordingly, in described connection lower plate, also offer fixing hole, the first fixed bar,The second fixed bar inserts in described fixing hole, and connection lower plate is fixed on transmission case.
The method for dismounting of a kind of balance crane lifting nut of the present invention, the steps include:
Step 1, Electric Machine Control screw mandrel are rotated, and lifting nut drives on connecting plate and moves, to connect the fixing hole offered in lower plate withThe first fixing hole, the second fixing hole are concentric, insert the first fixed bar, the second fixed bar, and connection lower plate is fixed on transmission case;
Step 2, take top cover away, remove set bolt, will connect upper plate and be connected lower plate separation;
Step 3, Electric Machine Control screw mandrel are rotated, lifting nut moves on continuing, and are positioned at the first guide groove, the second guide groove to connecting axleLaterally guide groove and vertically guide groove intersection;
Step 4, manually by lifting nut wire winding rod half-twist, control lifting nut motionless, screw mandrel rotates backward, by liftingNut screws out, and completes the disassembling section of lifting nut.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following beneficial effect:
(1) a kind of balance crane of being convenient to dismantle lifting nut of the present invention, considers that subdivision lifting nut can cause lifting nutTransmission efficiency is impaired, changes the mode that adopts subdivision connecting plate into, by script is split as to connection lower plate for holistic connecting plateBe connected upper plate, and will be connected lower plate and be connected upper plate by fixed head and set bolt and be flexibly connected, treat that lifting nut wearing and tearing needWhen replacing, can make fast lifting nut and other mechanisms depart from, save the time of dismounting lifting nut;
(2) a kind of balance crane of being convenient to dismantle lifting nut of the present invention, considers the counterweight connected with connecting plate, parallel fourLimit shape rod member is heavier, if dismounting relies on when lifting nut manpower to lift, the large and waste of manpower of intensity of workers, in transmissionOn case, offer the first fixing hole, the second fixing hole, when lifting nut to be removed, can be by inserting the first fixed bar, second admittedlyFixed pole is fixed on connection lower plate on transmission case, and then has also fixed the counterweight connected with being connected lower plate and parallelogram rod member,Save the manpower of dismounting lifting nut;
(3) a kind of balance crane of being convenient to dismantle lifting nut of the present invention, it designs the horizontal guide groove of the first guide groove, the second guide grooveOffer opposite direction, dismounting only needs when lifting nut easily lifting nut wire winding rod half-twist, just can by lifting nut and withConnected connecting axle separate from transmission case, facilitated follow-up lifting nut to screw out from screw mandrel, structural design is ingenious;
(4) method for dismounting of a kind of balance crane lifting nut of the present invention, simple to operate, time saving and energy saving, easy to utilize.
Brief description of the drawings
Fig. 1 is a kind of partial structurtes schematic diagram of being convenient to the balance crane of dismantling lifting nut of the present invention;
Fig. 2 is the structural representation of connecting plate in the present invention;
Fig. 3 is the side view of balance crane in the present invention.
Label declaration in schematic diagram:
11, transmission case; 111, the first guide groove; 112, the second guide groove; 12, top cover; 2, counterweight; 31, connect lower plate;32, connect upper plate; 33, fixed head; 34, set bolt; 4, parallelogram rod member; 51, motor; 52, screw mandrel; 53,Lifting nut; 54, connecting axle; 61, the first fixed bar; 62, the second fixed bar; 71, the first fixing hole; 72, second is solidDetermine hole; 8, column.
Detailed description of the invention
For further understanding content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1 and Fig. 3, a kind of balance crane of being convenient to dismantle lifting nut of the present embodiment, is applicable to carrying and is not more than 500KGOperating mode. Comprise transmission case 11, top cover 12, counterweight 2, connecting plate, parallelogram rod member 4, motor 51, screw mandrel 52,Lifting nut 53, connecting axle 54 and column 8. Described column 8 is for supporting transmission case 11, and establish at the top of this transmission case 11Be equipped with top cover 12, top cover 12 is fixed on transmission case 11 by screw, while needing dismounting lifting nut 53, and can be fast by top cover12 take off, and remove the restriction of top cover 12 to dismounting lifting nut 53.
The left and right sides of transmission case 11 offers respectively the first guide groove 111 and the second guide groove 112, offers perpendicular with respect to tradition unificationNogata is to the structural design of guide groove, and in the present embodiment, the first guide groove 111, the second guide groove 112 include vertical guide groove and horizontal guide groove,Vertical guide groove and laterally guide groove are spliced into inverted "L" shaped groove jointly, and the difference of the first guide groove 111, the second guide groove 112 is separatelyLaterally guide groove offer opposite direction. By this contrary horizontal guide barrel construction design, when dismounting lifting nut 53, only need light generalLifting nut 53 wire winding rod 52 half-twists, just can make lifting nut 53 and the connecting axle 54 that is attached thereto is broken away from the first guide groove111 and the restriction of the second guide groove 112, make it to separate with transmission case 11, facilitate follow-up lifting nut 53 to revolve from screw mandrel 52Go out, structural design is ingenious.
Described screw mandrel 52 vertically arranges, and this screw mandrel 52 runs through transmission case 11, and its bottom is connected with motor 51, and insert at topIn the hole that top cover 12 is offered. On screw mandrel 52, be arranged with lifting nut 53, lifting nut 53 left and right sides are connected with respectively connectionAxle 54, this connecting axle 54 and lifting nut 53 interference fit, composition is whole jointly for screw mandrel 52, lifting nut 53, connecting axle 54The slew gear of individual balance crane, balance crane relies on this slew gear to complete and moves up and down.
Connecting axle 54 inserts respectively in the first guide groove 111 and the second guide groove 112 through after connecting plate, what deserves to be explained is this realityExecute example and consider that subdivision lifting nut 53 can cause the transmission efficiency of lifting nut 53 impaired, therefore change into and adopt subdivision connecting plateMode, be about to originally connect lower plate 31 and be connected upper plate 32 for holistic connecting plate is split as one end of connection lower plate 31Connect counterweight 2, the other end connects parallelogram rod member 4. Connect lower plate 31 and be connected upper plate 32 engagement connection axles 54,And connection lower plate 31, connection upper plate 32 are flexibly connected by fixed head 33 and set bolt 34, are specially: on fixed head 33Offer connecting hole, this connecting hole (is on fixed head 33 with connecting lower plate 31, connecting the connecting hole of offering on upper plate 32 correspondingConnecting hole be connected lower plate 31, connect on upper plate 32 connecting hole and offer position and match), set bolt 34 inserts described connectionKong Zhong. In addition, consider and connect lower plate 31 and the reliability that is connected upper plate 32 and assembles, the present embodiment is in the left and right of connecting axle 54Both sides are all provided with fixed head 33 (referring to Fig. 2), and each fixed head 33 is fixing by 4 set bolts 34. By this enforcementThe structural design of example, in the time that lifting nut 53 wearing and tearing need to change, only need remove set bolt 34, can be fast by lifting spiral shellFemale 53 depart from other mechanisms, have saved the time of dismounting lifting nut 53.
Also it should be noted that, the present embodiment considers that the counterweight 2, the parallelogram rod member 4 that are connected with connecting plate are heavier, tears openIf rely on manpower to lift while unloading lifting nut 53, the large and waste of manpower of intensity of workers has been offered on transmission case 11The first fixing hole 71, the second fixing hole 72 (referring to Fig. 3), this first fixing hole 71, the second fixing hole 72 are at transmission case 11Both sides are all offered in pairs. Accordingly, in described connection lower plate 31, also offer fixing hole, connect lower plate 31 by lifting nut53 drive while rising to assigned address, the fixing hole of offering in this connection lower plate 31 can with the first fixing hole 71, second fixingHole 72 is concentric. When lifting nut 53 to be removed, can will connect lower plate by insertion the first fixed bar 61, the second fixed bar 6231 are fixed on transmission case 11, and then have also fixed the counterweight connected with being connected lower plate 31 2 and parallelogram rod member 4,Save the manpower of dismounting lifting nut 53.
The process that the present embodiment is specifically dismantled balance crane lifting nut is:
Step 1, motor 51 are controlled screw mandrel 52 and are rotated, and lifting nut 53 drives on connecting plate and moves, the balance being connected with connecting plateOn hammer 2 and parallelogram rod member 4 are synchronous, move, to connecting the fixing hole offered in lower plate 31 and the first fixing hole 71, secondFixing hole 72 is concentric, inserts the first fixed bar 61, the second fixed bar 62, connection lower plate 31 is fixed on transmission case 11,Lift counterweight 2 and parallelogram rod member 4 without several staff, saved manpower.
Step 2, take top cover 12 away, eliminate the restriction of top cover 12 to dismounting lifting nut 53, remove set bolt 34, will connectConnect plate 32 and be connected lower plate 31 separation, removing and connect the restriction of upper plate 32 to connecting axle 54.
Step 3, motor 51 are controlled screw mandrel 52 and are rotated, and on lifting nut 53 continues, move, and now only have connecting axle 54 with liftingNut 53 moves on together, and the horizontal guide groove that is positioned at the first guide groove 111, the second guide groove 112 to connecting axle 54 crosses with vertical guide groovePlace.
Step 4, manually by lifting nut 53 wire winding rod 52 half-twists, the connecting axle that makes lifting nut 53 and be attached thereto54 break away from the restriction of the first guide groove 111 and the second guide groove 112, and hand steered lifting nut 53 is controlled lifting nut 53 motionless, silkBar 52 rotates backward, and lifting nut 53 is screwed out, and completes the disassembling section of lifting nut 53.
A kind of balance crane and lifting nut method for dismounting of being convenient to dismantle lifting nut described in embodiment 1, selects subdivision connecting plateMode, transmission efficiency is unaffected, by optimize structural design, make the replacing of lifting nut 53 very convenient, improveThe operating efficiency of balance crane, and the process operation of dismounting balance crane lifting nut 53 is simple, time saving and energy saving, easy to utilize.
Below schematically the present invention and embodiment thereof are described, this description does not have restricted, shown in accompanying drawing alsoJust one of embodiments of the present invention, actual structure is not limited to this. So, if those of ordinary skill in the artEnlightened by it, in the situation that not departing from the invention aim, design the knot similar to this technical scheme without creationaryStructure mode and embodiment, all should belong to protection scope of the present invention.
Claims (4)
1. be convenient to dismantle a balance crane for lifting nut, comprise transmission case (11), top cover (12), counterweight (2), connectPlate, parallelogram rod member (4), motor (51), screw mandrel (52), lifting nut (53), connecting axle (54) and column (8),Described column (8) supports transmission case (11), and the top movable of this transmission case (11) is connected with top cover (12), transmission case (11)Both sides offer respectively the first guide groove (111) and the second guide groove (112); Described screw mandrel (52) runs through transmission case (11),The bottom of this screw mandrel (52) is connected with motor (51), is arranged with lifting nut (53) on screw mandrel (52); Described lifting spiral shellFemale (53) left and right sides is connected with respectively connecting axle (54), and this connecting axle (54) is through connecting plate and insert respectively the first guide groove(111) in and the second guide groove (112); It is characterized in that: described connecting plate comprises and connects lower plate (31) and be connected upper plate(32), the one end that connects lower plate (31) connects counterweight (2), and the other end of this connection lower plate (31) connects parallelogramRod member (4); Connect lower plate (31) and be connected upper plate (32) engagement connection axle (54), connect lower plate (31) and be connected upper plate(32) be flexibly connected.
2. a kind of balance crane of being convenient to dismantle lifting nut according to claim 1, is characterized in that: under described connectionPlate (31), connection upper plate (32) are connected with set bolt (34) by fixed head (33), and fixed head offers on (33)Connecting hole, this connecting hole is corresponding with the connecting hole of offering on connection lower plate (31), connection upper plate (32), set bolt (34)Insert in described connecting hole, will connect lower plate (31), connect upper plate (32) be connected to an entirety.
3. a kind of balance crane of being convenient to dismantle lifting nut according to claim 2, is characterized in that: described first leadsGroove (111), the second guide groove (112) include vertical guide groove and horizontal guide groove, and the horizontal guide groove of the first guide groove (111) is offeredThe horizontal guide groove of direction and the second guide groove (112) is offered opposite direction.
4. according to a kind of balance crane of being convenient to dismantle lifting nut described in claim 2 or 3, it is characterized in that: described biographyOn moving case (11), offer the first fixing hole (71), the second fixing hole (72), this first fixing hole (71), the second fixing hole(72) all offer in pairs in transmission case (11) both sides; Accordingly, in described connection lower plate (31), also offer fixing hole,The first fixed bar (61), the second fixed bar (62) insert in described fixing hole, will connect lower plate (31) and be fixed on transmission case (11)On.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080608.4A CN104627860B (en) | 2015-02-12 | 2015-02-12 | A kind of balance crane of being convenient to dismantle lifting nut |
| CN201610140040.5A CN105584940B (en) | 2015-02-12 | 2015-02-12 | A kind of method for dismounting of balance crane lifting nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080608.4A CN104627860B (en) | 2015-02-12 | 2015-02-12 | A kind of balance crane of being convenient to dismantle lifting nut |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610140040.5A Division CN105584940B (en) | 2015-02-12 | 2015-02-12 | A kind of method for dismounting of balance crane lifting nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104627860A CN104627860A (en) | 2015-05-20 |
| CN104627860B true CN104627860B (en) | 2016-05-11 |
Family
ID=53207176
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610140040.5A Expired - Fee Related CN105584940B (en) | 2015-02-12 | 2015-02-12 | A kind of method for dismounting of balance crane lifting nut |
| CN201510080608.4A Expired - Fee Related CN104627860B (en) | 2015-02-12 | 2015-02-12 | A kind of balance crane of being convenient to dismantle lifting nut |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610140040.5A Expired - Fee Related CN105584940B (en) | 2015-02-12 | 2015-02-12 | A kind of method for dismounting of balance crane lifting nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105584940B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415274B (en) * | 2018-01-29 | 2020-05-19 | 西门子工厂自动化工程有限公司 | Method and system for adjusting bracket of car body lifting appliance |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2773862B2 (en) * | 1987-01-16 | 1998-07-09 | 古河電気工業株式会社 | Drive guide method of reciprocating body |
| CN1024037C (en) * | 1991-04-03 | 1994-03-16 | 范朝来 | Automatically opened or closed screw mechanism with lift nut |
| CN2410277Y (en) * | 2000-02-18 | 2000-12-13 | 黄信芝 | All slewing crane with lifting cradle |
| CN2934174Y (en) * | 2006-07-20 | 2007-08-15 | 陈炯 | Pipe balancing hoister |
| CN203159088U (en) * | 2013-04-02 | 2013-08-28 | 安徽精诚铜业股份有限公司 | Balance crane driving device |
| CN204454348U (en) * | 2015-02-12 | 2015-07-08 | 合肥工业大学(马鞍山)高新技术研究院 | A kind of balance crane being convenient to dismounting lifting nut |
-
2015
- 2015-02-12 CN CN201610140040.5A patent/CN105584940B/en not_active Expired - Fee Related
- 2015-02-12 CN CN201510080608.4A patent/CN104627860B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105584940B (en) | 2017-07-07 |
| CN105584940A (en) | 2016-05-18 |
| CN104627860A (en) | 2015-05-20 |
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