CN106286748A - Dual input multi-change speed worm reducer - Google Patents
Dual input multi-change speed worm reducer Download PDFInfo
- Publication number
- CN106286748A CN106286748A CN201610894310.1A CN201610894310A CN106286748A CN 106286748 A CN106286748 A CN 106286748A CN 201610894310 A CN201610894310 A CN 201610894310A CN 106286748 A CN106286748 A CN 106286748A
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- China
- Prior art keywords
- bevel gear
- worm
- gear
- change speed
- shaft
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Classifications
-
- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/041—Combinations of toothed gearings only for conveying rotary motion with constant gear ratio
-
- 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H1/222—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes
- F16H1/225—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes with two or more worm and worm-wheel gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a kind of dual input multi-change speed worm reducer, including the first input mechanism, the second input mechanism, drive mechanism and output shaft;Described first input mechanism includes the first worm screw for being connected and the first worm gear with the first worm engaging transmission with the first driver;Described second input mechanism includes the second worm screw for being connected and the second worm gear with the second worm engaging transmission with the second driver;Described drive mechanism includes bevel gear I, bevel gear II, bevel gear III, bevel gear IV and planet carrier;The present invention can export multiple different rotating speed, and gear ratio is big, compact conformation, reliability are high, can be widely used for the main transmission in the fields such as hybrid vehicle, mine metallurgy, photoelectricity wind-powered electricity generation, boats and ships navigation and track traffic.
Description
Technical field
The present invention relates to a kind of decelerator, particularly to a kind of dual input multi-change speed worm reducer.
Background technology
Worm reducer is a kind of principal mode of decelerator, for transmitting the motion between the alternating axis of space two and moving
Power, has that gear range width (usual primary transmission ratio is i.e. up to 5~100), compact conformation, volume be little, stable movement, noise
The advantage such as low, is therefore widely used in the fields such as Aero-Space, boats and ships navigation, metallurgical mine, petrochemical industry, building light industry.With
Development and the lifting of demand, hybrid vehicle, mine metallurgy, photoelectricity wind-powered electricity generation, boats and ships navigation and the track traffic etc. of science and technology
The main transmission in field proposes the requirements such as dual input, multi-change speed, gear ratio is big, compact conformation, power density are big.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of dual input multi-change speed worm reducer, it is possible to output is many
Plant different rotating speeds, and gear ratio is big, compact conformation, reliability are high, can be widely used for hybrid vehicle, mine metallurgy, light
The main transmission in the fields such as electric wind electricity, boats and ships navigation and track traffic.
The dual input multi-change speed worm reducer of the present invention, including the first input mechanism, the second input mechanism, driver
Structure and output shaft;Described first input mechanism include the first worm screw for being connected with the first driver and with the first worm engaging
First worm gear of transmission;Described second input mechanism include the second worm screw for being connected with the second driver and with the second worm screw
Second worm gear of engaged transmission;Described drive mechanism includes bevel gear I, bevel gear II, bevel gear III, bevel gear IV and planet
Frame, described bevel gear I is symmetrical set with bevel gear II, described bevel gear III and bevel gear IV setting symmetrical above and below, described
Bevel gear I and bevel gear III and bevel gear IV engaged transmission, described bevel gear II and bevel gear III and bevel gear IV engaged transmission,
Described planet carrier be located between four bevel gears and with bevel gear III and bevel gear IV synchronous axial system;Described first worm gear and cone tooth
Wheel I is fixing to be connected, and described second worm gear is fixing with bevel gear II to be connected;The middle part of described planet carrier is provided with for fixing output shaft
Fixing hole, described bevel gear I, bevel gear II are correspondingly provided with the via I for passing for output shaft, via II;Output shaft
Sequentially pass through via I, fixing hole and via II and with planet carrier synchronous axial system.
Further, the small end of described bevel gear I is provided with for installing the first worm gear and axially and radially determining the first worm gear
The step end face I of position, described first worm gear is fixed on bevel gear I by keeper I after being coated at the ladder shaft part of step end face I
On.
Further, the small end of described bevel gear II is provided with for installing the second worm gear and axially and radially determining the second worm gear
The step end face II of position, described second worm gear is fixed on cone tooth by keeper II after being coated at the ladder shaft part of step end face II
On wheel II.
Further, described planet carrier includes that support body, described support body upper surface upwardly extend the upper locating shaft of formation, described support body
Lower surface is downwardly extending lower locating shaft, and described bevel gear III is provided with the via III for passing for upper locating shaft, described
Bevel gear IV is provided with the via IV for passing for lower locating shaft, and described upper locating shaft is through via III fixing connection, institute
State lower locating shaft through via IV fixing connection.
Further, described via I and via II are equipped with the first spring bearing group for supporting output shaft, described mistake
Hole III is provided with the second spring bearing group for supporting upper locating shaft, described via IV is provided with for supporting lower locating shaft
3rd spring bearing group, described first spring bearing group, the second spring bearing group and the 3rd spring bearing group all use two back ofs the body
The angular contact bearing that antiform formula is installed.
Further, this decelerator also includes the casing for housing drive mechanism, described casing one-body molded formation axle bed I
And axle bed II, described output shaft is rotatably assorted through axle bed I by bearing I, and described first worm screw, the second worm screw all pass through bearing
II is rotatably assorted through corresponding axle bed II.
Further, described angular contact bearing, bearing I and bearing II are taper roll bearing structure or angular contact ball axle
Bearing structure.
Further, described casing is provided with viewport, is fixed on casing by cover plate by the first bolt and gasket seal
Cover viewport;Described cover plate is provided with steam vent, steam vent is provided with the second bolt and is connected by nut fixing.
Further, described axle bed I and axle bed II are all detachably attached to shaft-cup, one-body molded on described shaft-cup
Formed and compress bearing I outer ring or the pressure ring of bearing II outer ring for correspondence.
Further, described first worm screw and the second worm screw be arranged in parallel, and described first worm screw, the second worm screw and output shaft
In antarafacial vertical relation.
Beneficial effects of the present invention: the dual input multi-change speed worm reducer of the present invention, the first driver connects first
Worm screw, the second driver connects the second worm screw, according to rotating forward, reversion and halted state that two drivers are the most different, by cone
After the drive mechanism of differential gear wheel train structure drives to output shaft, it is possible to export multiple different rotating speed, and with worm and wormwheel
As power input link, planet carrier is as power output member, and its gear ratio is big, compact conformation, reliability are high, can extensively use
Main transmission in fields such as hybrid vehicle, mine metallurgy, photoelectricity wind-powered electricity generation, boats and ships navigation and track traffics.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the transmission principle figure of the present invention;
Fig. 2 is the perspective view of the present invention;
Fig. 3 is the full sectional view of the present invention.
Detailed description of the invention
Fig. 1 is the transmission principle figure of the present invention, and Fig. 2 is the perspective view of the present invention, and Fig. 3 is the complete section of the present invention
View, as shown in the figure: the dual input multi-change speed worm reducer of the present invention, including the first input mechanism, the second input mechanism,
Drive mechanism and output shaft 40;Described first input mechanism include for be connected with the first driver (not shown) first
Worm screw 11 and the first worm gear 12 with the first worm screw 11 engaged transmission;Described second input mechanism include for the second driver
The second worm screw 21 that (not shown) connects and with the second worm gear 22 of the second worm screw 21 engaged transmission;Described drive mechanism bag
Include bevel gear I 31, bevel gear II 32, bevel gear III 33, bevel gear IV 34 and planet carrier 35, described bevel gear I 31 and bevel gear
II 32 are symmetrical set, described bevel gear III 33 and bevel gear IV 34 setting symmetrical above and below, described bevel gear I 31 and bevel gear
III 33 and bevel gear IV 34 engaged transmission, described bevel gear II 32 and bevel gear III 33 and bevel gear IV 34 engaged transmission, described
Planet carrier 35 be located between four bevel gears and with bevel gear III 33 and bevel gear IV 34 synchronous axial system;Described first worm gear 12 with
Bevel gear I 31 is fixing to be connected, and described second worm gear 22 is fixing with bevel gear II 32 to be connected;The middle part of described planet carrier 35 is provided with use
It is correspondingly provided with on the fixing hole 35a of fixing output shaft 40, described bevel gear I 31, bevel gear II 32 for wearing for output shaft 40
Via I 31a, via II 32a crossed;Output shaft 40 sequentially passes through via I 31a, fixing hole 35a and via II 32a and planet
Frame 35 synchronous axial system;First driver, the second driver can be motor or Structure of Internal-Combustion Engine, as long as can be as power source
Can;Bevel gear I 31 is identical with the structure of bevel gear II 32, and bevel gear III 33 is identical with the structure of bevel gear IV 34;Left and right, upper,
All it is as the criterion with direction shown in Fig. 3 down;The centrage of output shaft 40 overlaps with the centrage of planet carrier 35;First worm gear 12, second
Worm gear 22 all uses single head large speed ratio to design, and has auto-lock function;Can be connected by flat key between output shaft 40 with planet carrier 35,
To realize linkage;Described first worm screw 11 and the second worm screw 21 be arranged in parallel, and described first worm screw the 11, second worm screw 21 is with defeated
Shaft 40 is in antarafacial vertical relation;First driver connects the first worm screw 11, and the second driver connects the second worm screw 21, according to two
Rotating forward, reversion and the halted state that driver is the most different, drives to defeated by the drive mechanism of bevel geared differential gear train structure
After shaft 40, it is possible to export multiple different rotating speed, and using worm and wormwheel as power input link, planet carrier 35 is as power
Output link, its gear ratio is big, compact conformation, reliability are high, can be widely used for hybrid vehicle, mine metallurgy, light electric wind
The main transmission in the fields such as electricity, boats and ships navigation and track traffic.
In the present embodiment, the small end of described bevel gear I 31 is provided with for installing the first worm gear 12 and to the first worm gear 12 axle
To the step end face I with radially location, described first worm gear 12 is coated at after the ladder shaft part of step end face I by keeper I
51 are fixed on bevel gear I 31;The small end of described bevel gear II 32 is provided with for installing the second worm gear 22 and to the second worm gear 22
The step end face II axially and radially located, described second worm gear 22 is coated at after the ladder shaft part of step end face II by location
Part II 52 is fixed on bevel gear II 32;Bevel gear I 31, the big end of bevel gear II 32 are provided with cone dish, and cone dish is toothed around, little
The opposite side of the biggest end of end;First worm gear the 12, second worm gear 22 respectively with step end face I, step end face II interference fit, location
Part I 51, keeper II 52 are parallel to output shaft 40 and arrange, and keeper I 51, keeper II 52 are preferably junction of the edges of two sheets of paper screw;This structure
Be conducive to improving the stable degree that first worm gear the 12, second worm gear 22 is connected with bevel gear I 31, bevel gear II 32, when improving motion
Stationarity, and make the structure of decelerator the compactest, it is simple to assembling.
In the present embodiment, described planet carrier 35 includes that support body, described support body upper surface upwardly extend the upper locating shaft of formation
351, described support body lower surface is downwardly extending lower locating shaft 352, and described bevel gear III 33 is provided with for for upper locating shaft
Via III 33a that 351 pass, described bevel gear IV 34 is provided with via IV 34a for passing for lower locating shaft 352, described
Upper locating shaft 351 passes via III 33a fixing connection, and described lower locating shaft 352 is through via IV 34a fixing connection;OK
Carrier 35 is integral type structure, and structural strength is high, stable transmission.
In the present embodiment, described via I 31a and via II 32a is equipped with the first support for supporting output shaft 40
Bearing group 61, is provided with the second spring bearing group 62 for supporting upper locating shaft 351, described via IV in described via III 33a
Being provided with the 3rd spring bearing group 63 for supporting lower locating shaft 352 in 34a, described first spring bearing group 61, second supports
Bearing group 62 and the 3rd spring bearing group 63 all include that at least two uses the angular contact bearing that back-to-back form is installed;Angular contact
In bearing, there is at the stress of contact certain angle, certain axial force can be born, make support the most firm;Angular contact axle
Holding can be taper roll bearing structure or angular contact ball bearing structure.
In the present embodiment, this decelerator also includes the casing 7 for housing drive mechanism, the described one-body molded shape of casing 7
Axle bed I 7a and axle bed II 7b, described output shaft 40 is become to be rotatably assorted through axle bed I 7a, described first worm screw by bearing I 64
11, the second worm screw 21 is all rotatably assorted through corresponding axle bed II 7b by bearing II 65;Described bearing I 64 and bearing II 65 are equal
Can be taper roll bearing structure or angular contact ball bearing structure;Output shaft 40, upper locating shaft 351, lower locating shaft 352,
One worm screw 11 and the second worm screw 21 all can be fixed on corresponding bearing part by locked spacer and the cooperation of round nut;Casing 7
Base can be formed on bottom, and base has drain oil;Described casing 7 is provided with viewport, by the first bolt 72 and sealing gasket
Cover plate 71 is fixed on casing 7 covering viewport by sheet 73;Described cover plate 71 is provided with steam vent, and steam vent is provided with the second spiral shell
Bolt 74 also connects fixing by nut 75;Shaft-cup 76, institute all it is detachably attached on described axle bed I 7a and axle bed II 7b
State one-body molded formation on shaft-cup 76 and compress bearing I 64 outer ring or the pressure ring 76a of bearing II 65 outer ring for correspondence, improve bearing
I 64 with the installation steadiness of bearing II 65, simplify assembly technology simultaneously;Output shaft 40 passes the position of axle bed I 7a and is provided with
Outside framework oil seal.
In order to realize the functional requirement of the present invention, can design the first worm screw 11 is head number z11The dextrorotation single start worm of=1, the
Two worm screws 21 are head number z21The dextrorotation single start worm of=1, number of teeth z of the first worm gear 1212=100, number of teeth z of the second worm gear 2222
=100, number of teeth z of bevel gear III 3333=21, number of teeth z of bevel gear IV 3434=21, number of teeth z of bevel gear I 3131=61,
Number of teeth z of bevel gear II 3232=61, the first driver being connected with the first worm screw 11 is rotating speed n1Threephase asynchronous machine, with
The second driver that second worm screw 21 connects is rotating speed n2Threephase asynchronous machine, the rotating speed of output shaft 40 is n3, can exist below
Eight kinds of speed change output situations:
1)n1=3000rpm, n2=1000rpm, then output speed n3=20rpm;
2)n1=3000rpm, n2=0rpm, then output speed n3=15rpm;
3)n1=3000rpm, n2=-1000rpm, then output speed n3=10rpm;
4)n1=-3000rpm, n2=1000rpm, then output speed n3=-10rpm;
5)n1=-3000rpm, n2=0rpm, then output speed n3=-15rpm;
6)n1=-3000rpm, n2=-1000rpm, then output speed n3=-20rpm;
7)n1=0rpm, n2=1000rpm, then output speed n3=5rpm;
8)n1=0rpm, n2=-1000rpm, then output speed n3=-5rpm.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from objective and the scope of technical solution of the present invention, it all should be contained at this
In the middle of the right of invention.
Claims (10)
1. a dual input multi-change speed worm reducer, it is characterised in that: include the first input mechanism, the second input mechanism,
Drive mechanism and output shaft;Described first input mechanism include the first worm screw for being connected with the first driver and with the first snail
First worm gear of bar engaged transmission;Described second input mechanism includes the second worm screw for being connected with the second driver and with
Second worm gear of two worm engaging transmissions;Described drive mechanism includes bevel gear I, bevel gear II, bevel gear III, bevel gear IV and
Planet carrier, described bevel gear I is symmetrical set with bevel gear II, described bevel gear III and bevel gear IV setting symmetrical above and below,
Described bevel gear I and bevel gear III and bevel gear IV engaged transmission, described bevel gear II engages with bevel gear III and bevel gear IV
Transmission, described planet carrier be located between four bevel gears and with bevel gear III and bevel gear IV synchronous axial system;Described first worm gear
Fixing with bevel gear I and be connected, described second worm gear is fixing with bevel gear II to be connected;The middle part of described planet carrier is provided with for fixing
The fixing hole of output shaft, described bevel gear I, bevel gear II are correspondingly provided with the via I for passing for output shaft, via II;
Output shaft sequentially pass through via I, fixing hole and via II and with planet carrier synchronous axial system.
Dual input multi-change speed worm reducer the most according to claim 1, it is characterised in that: described bevel gear I little
End is provided with for installing the first worm gear the step end face I axially and radially locating the first worm gear, described first worm gear overcoat
It is fixed on bevel gear I by keeper I after the ladder shaft part of step end face I.
Dual input multi-change speed worm reducer the most according to claim 2, it is characterised in that: described bevel gear II little
End is provided with for installing the second worm gear the step end face II axially and radially locating the second worm gear, described second worm gear overcoat
It is fixed on bevel gear II by keeper II after the ladder shaft part of step end face II.
Dual input multi-change speed worm reducer the most according to claim 3, it is characterised in that: described planet carrier includes frame
Body, described support body upper surface upwardly extends the upper locating shaft of formation, and described support body lower surface is downwardly extending lower locating shaft, described
Bevel gear III is provided with the via III for passing for upper locating shaft, and described bevel gear IV is provided with for passing for lower locating shaft
Via IV, described upper locating shaft is through via III and fixing connects, and described lower locating shaft is through via IV and fixes connection.
Dual input multi-change speed worm reducer the most according to claim 4, it is characterised in that: described via I and via
Be equipped with the first spring bearing group for supporting output shaft in II, described via III is provided with for support upper locating shaft
Two spring bearing groups, are provided with the 3rd spring bearing group for supporting lower locating shaft, described first support shaft in described via IV
Hold the angular contact bearing that group, the second spring bearing group and the 3rd spring bearing group all use two back-to-back forms to install.
Dual input multi-change speed worm reducer the most according to claim 5, it is characterised in that: this decelerator also includes using
In the casing of accommodating drive mechanism, described casing one-body molded formation axle bed I and axle bed II, described output shaft passes through I turn of bearing
Moving and fit through axle bed I, described first worm screw, the second worm screw are all rotatably assorted through corresponding axle bed II by bearing II.
Dual input multi-change speed worm reducer the most according to claim 6, it is characterised in that: described angular contact bearing,
Bearing I and bearing II are taper roll bearing structure or angular contact ball bearing structure.
Dual input multi-change speed worm reducer the most according to claim 6, it is characterised in that: described casing is provided with to be peeped
Viewport, is fixed on casing covering viewport by the first bolt and gasket seal by cover plate;Described cover plate is provided with steam vent, row
Second bolt is installed on pore and is connected by nut fixing.
Dual input multi-change speed worm reducer the most according to claim 6, it is characterised in that: described axle bed I and axle bed
All being detachably attached to shaft-cup on II, on described shaft-cup, one-body molded formation compresses bearing I outer ring or axle for correspondence
Hold the pressure ring of II outer ring.
Dual input multi-change speed worm reducer the most according to claim 1, it is characterised in that: described first worm screw and
Second worm screw be arranged in parallel, and described first worm screw, the second worm screw are antarafacial vertical relation with output shaft.
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CN201610894310.1A CN106286748A (en) | 2016-10-13 | 2016-10-13 | Dual input multi-change speed worm reducer |
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CN201610894310.1A CN106286748A (en) | 2016-10-13 | 2016-10-13 | Dual input multi-change speed worm reducer |
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Cited By (9)
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CN107150356A (en) * | 2017-07-13 | 2017-09-12 | 东北大学 | Two-freedom degree joint structure |
CN107198319A (en) * | 2017-06-27 | 2017-09-26 | 浙江工贸职业技术学院 | Luggage case with running gear |
CN107240893A (en) * | 2017-08-04 | 2017-10-10 | 国网四川省电力公司广元供电公司 | A kind of cable puller suitable for out-of-flatness region |
CN109083996A (en) * | 2018-08-28 | 2018-12-25 | 蚌埠市腾宇水产养殖农民专业合作社 | A kind of low abrasion gearbox of paddy field rotary cultivator |
CN109835489A (en) * | 2019-02-21 | 2019-06-04 | 重庆大学 | A kind of cold standby oiling switch on/off electric transmission mechanism for aviation |
CN111279114A (en) * | 2018-03-28 | 2020-06-12 | 深圳市大疆创新科技有限公司 | Differential gear drive device, stability augmentation mechanism, holder device and shooting equipment |
CN112228532A (en) * | 2020-11-24 | 2021-01-15 | 禹州市富禹机械配件有限公司 | Reduction worm gear device for gear transmission of agricultural machinery |
CN112696465A (en) * | 2019-10-23 | 2021-04-23 | 江苏中信博新能源科技股份有限公司 | Multipoint parallel synchronous driving device and application thereof |
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CN107198319A (en) * | 2017-06-27 | 2017-09-26 | 浙江工贸职业技术学院 | Luggage case with running gear |
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CN109083996A (en) * | 2018-08-28 | 2018-12-25 | 蚌埠市腾宇水产养殖农民专业合作社 | A kind of low abrasion gearbox of paddy field rotary cultivator |
CN109835489A (en) * | 2019-02-21 | 2019-06-04 | 重庆大学 | A kind of cold standby oiling switch on/off electric transmission mechanism for aviation |
CN112696465A (en) * | 2019-10-23 | 2021-04-23 | 江苏中信博新能源科技股份有限公司 | Multipoint parallel synchronous driving device and application thereof |
CN112696465B (en) * | 2019-10-23 | 2024-02-27 | 江苏中信博新能源科技股份有限公司 | Multi-point parallel synchronous driving device and application thereof |
CN112228532A (en) * | 2020-11-24 | 2021-01-15 | 禹州市富禹机械配件有限公司 | Reduction worm gear device for gear transmission of agricultural machinery |
CN113928884A (en) * | 2021-09-02 | 2022-01-14 | 昆山市鑫旭印刷有限公司 | Multilayer label processing equipment |
CN113928884B (en) * | 2021-09-02 | 2024-03-01 | 重庆创意精锐工艺标识有限公司 | Multilayer label processing equipment |
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Application publication date: 20170104 |