CN108194627A - A kind of planetary gear mechanism - Google Patents
A kind of planetary gear mechanism Download PDFInfo
- Publication number
- CN108194627A CN108194627A CN201810107660.8A CN201810107660A CN108194627A CN 108194627 A CN108194627 A CN 108194627A CN 201810107660 A CN201810107660 A CN 201810107660A CN 108194627 A CN108194627 A CN 108194627A
- Authority
- CN
- China
- Prior art keywords
- gear
- ring gear
- planetary gear
- fixed seat
- planet carrier
- 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.)
- Withdrawn
Links
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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Retarders (AREA)
Abstract
The present invention relates to relay accessory technical fields, in particular disclose a kind of planetary gear mechanism, including fixed seat, the planet carrier that is rotatably dispose in fixed seat, the planetary gear for being rotatably dispose in planet carrier, the first ring gear for being set to fixed seat, the second ring gear for being rotatably dispose in planet carrier, for limiting planet carrier and the second ring gear to the set casing of fixed seat, the first ring gear and the second ring gear are engaged in the both ends of the planetary gear teeth respectively；Fixed seat is mounted on the ontology of relay, the motor driving planetary gear rotation of relay, the movable contact spring movement of the second ring gear driving relay；Pass through the frictional force between frictional force between frictional force between planet carrier and fixed seat, planetary gear and ring gear, the second ring gear and planet carrier, increase transmission mechanism and reverse required driving force, prevent the reaction force that movable contact spring is acted on the second ring gear so that transmission mechanism reverses and relay status is caused to fail.
Description
Technical field
The present invention relates to relay accessory technical fields, in particular disclose a kind of planetary gear mechanism.
Background technology
Relay is one of essential accessory in various mechanical equipments as " automatic switch " in circuit.Relay
The type of device is varied, such as electromagnetic relay, the time relay, temperature relay, motor relay etc., and relay is main
It is formed including driving mechanism and contact mechanism, contact mechanism generally comprises static contact spring piece and the movable contact spring of activity is formed, driving mechanism
Mobile and then realization contact mechanism via driving movable contact spring to be turned on or off, motor relay is mainly using motor via biography
Moving cell driving movable contact spring movement, the gear unit tectonic sieving of existing motor relay is unreasonable, after motor stalls, moves spring
The reaction of piece often causes gear unit to reverse and the state of relay is caused to change and fail, and is unfavorable for relay
The promotion of performance.
Invention content
In order to overcome shortcoming and defect in the prior art, the purpose of the present invention is to provide a kind of planetary gear biographies
Motivation structure passes through frictional force between frictional force between planet carrier and fixed seat, planetary gear and ring gear, the second ring gear
Frictional force between planet carrier, increase transmission mechanism reverse required driving force, prevent movable contact spring from acting on the second ring gear
On reaction force cause transmission mechanism reverse and relay status is caused to fail, promote the performance of relay.
To achieve the above object, a kind of planetary gear mechanism of the invention, including fixed seat, is rotatably dispose in fixation
The planet carrier of seat, the first ring gear for being set to fixed seat, is rotatably dispose in planet at the planetary gear for being rotatably dispose in planet carrier
Second ring gear of frame, for limiting planet carrier and the second ring gear to the set casing of fixed seat, the first ring gear, in second
Gear ring is sheathed on the outside of planet carrier, and the planetary gear teeth stretch out planet carrier, the both ends difference of the planetary gear teeth
Engage the first ring gear and the second ring gear.
Preferably, the planetary gear mechanism further includes driving motor and driving gear, and fixed seat is installed in driving
Motor, driving gear are installed in the output shaft of driving motor, and driving gear is used to drive planetary gear rotation.
Preferably, the planetary quantity is multiple, and multiple planetary gears surround driving gear circular array；Gu
Reservation is equipped with the perforation through fixed seat, and planet carrier is equipped with the accommodating hole connected with perforation, and planetary gear is revealed in accommodating hole,
Driving gear is protruded into via perforation in accommodating hole.
Preferably, the planetary gear mechanism further includes output gear and slides the rack of setting, output gear dress
Set on the second ring gear, output gear is used for pinion rack.
Preferably, the fixed seat is equipped with limiting slot and fixture block, and the outer surface of limiting slot self-retaining seat is recessed to be formed, fixture block
The outer surface of self-retaining seat projects, and the first ring gear is equipped with the limited block being located in limiting slot, and set casing is equipped with and is used for
The card hole of fixture block is installed with, the side wall of card hole is used for stop fastening block.
Preferably, one end of first ring gear is set to fixed seat, and one end of the second ring gear is rotatably dispose in
In the other end of one ring gear；Set casing is equipped with storage tank and protrudes into baffle ring in storage tank, the first ring gear, the second internal tooth
Circle is located in storage tank, and baffle ring is used for the other end of the second ring gear of block, and the other end of the second ring gear is equipped with projection
Go out the coordinating block of set casing.
Preferably, the other end of second ring gear is equipped with cylinder, and baffle ring is used for block the second ring gear other end
End face, shield ring sleeve is set on the outside of cylinder, and coordinating block projects from cylinder, and the cross-sectional shape of coordinating block is not rounded
Shape.
Preferably, the planet carrier includes the first disk body and is installed in the second disk body of the first disk body, and the first disk body is equipped with
The prominent axis of fixed seat is rotatably dispose in, the second ring gear is rotatably dispose in the second disk body, and planetary gear rotation is set to the first disk
Between body and the second disk body.
Preferably, the planetary gear includes the first external toothing and the second external toothing, and the radius of the first external toothing is more than the
The radius of two external toothings, the first external toothing is for engaging the first ring gear, and the second external toothing is for the second ring gear of engagement.
Preferably, the fixed seat is equipped with stopping surface and locating piece, and stopping surface is used to contradict the end face of set casing one end, Gu
One end of shell is determined equipped with the locating notch for being installed with locating piece.
Beneficial effects of the present invention：In actual use, fixed seat is mounted on the ontology of relay, the motor of relay
For driving planetary gear rotation, the second ring gear is used to that the movable contact spring of relay to be driven to move；Pass through planet carrier and fixed seat
Between frictional force, the frictional force between planetary gear and ring gear, the frictional force between the second ring gear and planet carrier, increase
Transmission mechanism reverses required driving force, after driving motor is moved to precalculated position via transmission mechanism driving movable contact spring,
The reaction force that movable contact spring is acted on the second ring gear is prevented so that transmission mechanism reverses and relay status is caused to fail.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the present invention；
Fig. 3 is the dimensional structure diagram at another visual angle of the present invention.
Reference numeral includes：
1-fixed seat, 2-planet carrier, 3-planetary gear
4-the first ring gear 6-set casing of the 5-the second ring gear
7-driving motor, 8-driving gear, 9-output gear
11-rack, 12-limiting slot, 13-fixture block
14-limited block, 15-card hole, 16-storage tank
17-baffle ring, 18-cylinder, 19-coordinating block
21-the first 23-axis of dashing forward of the 22-the second disk body of disk body
The 26-the first external toothing of 24-accommodating cavity, 25-axis body
27-the second external toothing 28-stopping surface, 29-locating piece
31-locating notch.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
Shown in please referring to Fig.1 to Fig.3, a kind of planetary gear mechanism of the invention, including fixed seat 1, rotation setting
Planet carrier 2 in fixed seat 1, the planetary gear 3 being rotatably arranged on planet carrier 2, the first internal tooth being arranged in fixed seat 1
Circle 4, the second ring gear 5 for being rotatably arranged on planet carrier 2, for limiting 2 and first ring gear 4 of planet carrier in fixed seat 1
On set casing 6, planet carrier 2 is clamped between 1 and second ring gear 5 of fixed seat, and the first ring gear 4, the second ring gear 5 cover
The outside of planet carrier 2 is located at, the gear teeth of planetary gear 3 stretch out the side surface of planet carrier 2, the both ends of the gear teeth of planetary gear 3
The first ring gear 4 and the second ring gear 5 are engaged respectively.
In actual use, fixed seat 1 is mounted on the ontology of relay, the motor of relay is used to drive planetary gear
3 rotations, the second ring gear 5 are used to that the movable contact spring of relay to be driven to move；When needing the movable contact spring to move, the driving row of driving motor 7
Star gear 3 rotates, and since planetary gear 3 is engaged with the first ring gear 4, the first ring gear 4 is fixed, and planet carrier 2 can phase
Fixed seat 1 is rotated, since planetary gear 3 is engaged with the second ring gear 5, the second ring gear 5 can be in the deceleration of transmission mechanism
Effect is lower to be rotated, and the second ring gear 5 of rotation can drive movable contact spring to move；The present invention transmission mechanism by planet carrier 2 with
Between the frictional force between frictional force, planetary gear 3 and ring gear, the second ring gear 5 and planet carrier 2 between fixed seat 1
Frictional force, increase transmission mechanism reverse required driving force so that the driving force that drive transmission device reverses is made more than movable contact spring
With the reaction force on transmission mechanism, ensure that transmission mechanism is in " self-locking " state, prevent movable contact spring from acting on the second internal tooth
Reaction force on circle 5 causes transmission mechanism to reverse and relay status is caused to fail, and promotes the performance of relay.
The planetary gear mechanism further includes driving motor 7 and driving gear 8, and fixed seat 1 is installed in driving motor 7
On, driving gear 8 is installed on the output shaft of driving motor 7, and driving gear 8 is for driving planetary gear 3 to rotate, the present embodiment
In, driving gear 8 is engaged with planetary gear 3, and the radius of driving gear 8 is less than the radius of planetary gear 3.
In actual use, driving motor 7 drives driving gear 8 to rotate, and the driving gear 8 of rotation can drive planetary gear
3 rotations；Further increase transmission mechanism using the frictional force between driving gear 8 and planetary gear 3 and reverse required driving force.
The quantity of the planetary gear 3 is multiple, and multiple planetary gears 3 surround 8 circular array of driving gear；Fixed seat
The perforation (non-label in figure) of fixed seat 1 is provided through on 1, planet carrier 2 is provided with the accommodating hole connected with perforation (in figure not
Label), planetary gear 3 is emerging in accommodating hole, driving gear 8 protruded into accommodating hole via perforation then with planetary gear 3
Engagement.
By adding the quantity of planetary gear 3, on the one hand increase frictional force between driving gear 8 and planetary gear 3 it
With；On the other hand driving gear 8 is contradicted from different directions using multiple planetary gears 3, firm limit is carried out to driving gear 8
Position；In addition, can also increase the reduction ratio of entire transmission mechanism, the output torque of the second ring gear 5 is improved.In the present embodiment, row
The quantity of star gear 3 is three.
The planetary gear mechanism further includes output gear 9 and slides the rack 11 of setting, and rack 11 slides setting
On the ontology of relay, output gear 9 is installed on the second ring gear 5, and output gear 9 is used for one end of pinion rack 11,
The other end of rack 11 is further increased for movable contact spring to be driven to move using the frictional force between output gear 9 and rack 11
Transmission mechanism reverses required driving force.Related output gear 9 rotates when second ring gear 5 rotates, when output gear 9 rotates
Can drive rack 11 move, rack 11 move when movable contact spring can be driven to move.
Be provided with limiting slot 12 and fixture block 13 in the fixed seat 1, the outer surface of 12 self-retaining seat 1 of limiting slot it is recessed and
Into, the outer surface of 13 self-retaining seat 1 of fixture block projects, and the first ring gear 4 is equipped with and is installed with the limited block 14 in limiting slot 12,
Using the side wall block limited block 14 of limiting slot 12, so that the first ring gear 4 is located in fixed seat 1, when planetary gear 3
During rotation, prevent the first ring gear 4 from planetary gear 3 being followed to rotate together；The card for being installed with fixture block 13 is provided on set casing 6
Hole 15, the side wall of card hole 15 prevent set casing 6 from coming off from fixed seat 1 for stop fastening block 13, so ensure planet carrier 2 and
The firm limiting of first ring gear 4 is in fixed seat 1.
One end of first ring gear 4 is arranged in fixed seat 1, and one end of the second ring gear 5 is rotatably arranged on first
In the other end of ring gear 4, the frictional force between the second ring gear 5 and the first ring gear 4 can also assist increase transmission mechanism to fall
Turn required driving force；Storage tank 16 is provided on set casing 6 and protrudes into the baffle ring 17 in storage tank 16, storage tank 16 is from admittedly
Determine shell 6 one end it is recessed form, baffle ring 17 is arranged on the other end on set casing 6, and the first ring gear 4, the second ring gear 5 hold
It is located in storage tank 16, i.e., set casing 6 is set in the outside of the first ring gear 4 and the outside of the second ring gear 5, baffle ring 17 are used for
The other end of the second ring gear of block 5 prevents the second ring gear 5 from coming off out of storage tank 16, and the other end of the second ring gear 5 is set
The coordinating block 19 for stretching out set casing 6 is equipped with, output gear 9 is mounted on coordinating block 19.
The other end of second ring gear 5 is provided with cylinder 18, and cylinder 18 is from the end of 5 other end of the second ring gear
Face projects, and baffle ring 17 is used for the end face of 5 other end of the second ring gear of block, and baffle ring 17 is set in the outside of cylinder 18,
Frictional force between second ring gear 5 and set casing 6 is similary can assist increase transmission mechanism reverse needed for driving force, cooperation
Block 19 is projected from the outer surface of cylinder 18, and the cross-sectional shape of coordinating block 19 is non-circular.In the present embodiment, output gear
Wheel 9 is set in the outside of coordinating block 19, using the special setting of 19 cross-sectional shape of coordinating block, prevents coordinating block 19 and output gear
It relatively rotates between wheel 9.
The planet carrier 2 includes the first disk body 21 and the second disk body 22 being installed on the first disk body 21, the first disk body 21
On be provided with prominent axis 23, prominent axis 23 is projected from side of first disk body 21 far from the second disk body 22, the rotation setting of axis 23 of dashing forward
In fixed seat 1；Second ring gear 5 is rotatably arranged on the second disk body 22, and in the present embodiment, the second ring gear 5 is equipped with accommodating
Chamber 24, planet carrier 2 are installed in accommodating cavity 24, and the second ring gear 5 is equipped with the axis body 25 protruded into accommodating cavity 24,25 turns of axis body
It is dynamic to be arranged on the second disk body 22；Planetary gear 3 is rotatably arranged between the first disk body 21 and the second disk body 22.
The planetary gear 3 includes the first external toothing 26 and the second external toothing 27, and the radius of the first external toothing 26 is more than the
The radius of two external toothings 27, the first external toothing 26 is for engaging the first ring gear 4, and the second external toothing 27 is for the second internal tooth of engagement
Circle 5 in the installation process of planetary gear 3, convenient for the first external toothing 26 of identification and the second external toothing 27, avoids planetary gear 3
Setup error, the installation effectiveness of service hoisting planetary gear 3.
Stopping surface 28 and locating piece 29 are provided in the fixed seat 1, stopping surface 28 is used to contradict the end of 6 one end of set casing
Face, during set casing 6 is mounted in fixed seat 1, it is ensured that set casing 6 can be quickly installed to precalculated position, be promoted solid
Determine the installation effectiveness of shell 6；One end of set casing 6 is provided with the locating notch 31 for being installed with locating piece 29, locating notch 31
Side wall is used for block locating piece 29, during set casing 6 is mounted in fixed seat 1, it is ensured that set casing 6 can be with Fast Installation
Proper position onto fixed seat 1, the installation effectiveness of further service hoisting set casing 6.
More than content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes, the content of the present specification should not be construed as to the present invention in specific embodiments and applications
Limitation.
Claims (10)
1. a kind of planetary gear mechanism, it is characterised in that：Including fixed seat, the planet carrier that is rotatably dispose in fixed seat, turn
The dynamic planetary gear for being set to planet carrier is set to the first ring gear of fixed seat, is rotatably dispose in the second internal tooth of planet carrier
It encloses, for limiting planet carrier and the second ring gear to the set casing of fixed seat, the first ring gear, the second ring gear are sheathed on
The outside of planet carrier, the planetary gear teeth stretch out planet carrier, and the first internal tooth is engaged at the both ends of the planetary gear teeth respectively
Circle and the second ring gear.
2. planetary gear mechanism according to claim 1, it is characterised in that：The planetary gear mechanism also wraps
Driving motor and driving gear are included, fixed seat is installed in driving motor, and driving gear is installed in the output shaft of driving motor, actively
Gear is used to drive planetary gear rotation.
3. planetary gear mechanism according to claim 2, it is characterised in that：The planetary quantity is more
A, multiple planetary gears surround driving gear circular array；Fixed seat be equipped with through fixed seat perforation, planet carrier be equipped with
The accommodating hole of perforation connection, planetary gear are revealed in accommodating hole, and driving gear is protruded into via perforation in accommodating hole.
4. planetary gear mechanism according to claim 1, it is characterised in that：The planetary gear mechanism also wraps
It includes output gear and slides the rack of setting, output gear is installed in the second ring gear, and output gear is used for pinion rack.
5. planetary gear mechanism according to claim 1, it is characterised in that：The fixed seat is equipped with limiting slot and card
Block, the outer surface of limiting slot self-retaining seat is recessed to be formed, and the outer surface of fixture block self-retaining seat projects, and the first ring gear is equipped with
The limited block being located in limiting slot, set casing are equipped with the card hole for being installed with fixture block, and the side wall of card hole is used for stop fastening block.
6. planetary gear mechanism according to claim 1, it is characterised in that：One end setting of first ring gear
In fixed seat, one end of the second ring gear is rotatably dispose in the other end of the first ring gear；Set casing is equipped with storage tank and dashes forward
The baffle ring in storage tank is stretched into, the first ring gear, the second ring gear are located in storage tank, and baffle ring is used for the second internal tooth of block
The other end of circle, the other end of the second ring gear are equipped with the coordinating block for stretching out set casing.
7. planetary gear mechanism according to claim 6, it is characterised in that：The other end of second ring gear is set
There is cylinder, baffle ring is used for the end face of block the second ring gear other end, and shield ring sleeve is set on the outside of cylinder, and coordinating block is certainly round
Cylinder projects, and the cross-sectional shape of coordinating block is non-circular.
8. planetary gear mechanism according to claim 1, it is characterised in that：The planet carrier include the first disk body and
The second disk body of the first disk body is installed in, the first disk body is equipped with the prominent axis for being rotatably dispose in fixed seat, and the rotation of the second ring gear is set
The second disk body is placed in, planetary gear rotation is set between the first disk body and the second disk body.
9. planetary gear mechanism according to claim 1, it is characterised in that：The planetary gear includes the first external tooth
Circle and the second external toothing, the radius of the first external toothing are more than the radius of the second external toothing, and the first external toothing is in engagement first
Gear ring, the second external toothing is for the second ring gear of engagement.
10. planetary gear mechanism according to claim 1, it is characterised in that：The fixed seat be equipped with stopping surface and
Locating piece, stopping surface are used to contradict the end face of set casing one end, and one end of set casing is equipped with to be lacked for being installed with the positioning of locating piece
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810107660.8A CN108194627A (en) | 2018-02-02 | 2018-02-02 | A kind of planetary gear mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810107660.8A CN108194627A (en) | 2018-02-02 | 2018-02-02 | A kind of planetary gear mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194627A true CN108194627A (en) | 2018-06-22 |
Family
ID=62592286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810107660.8A Withdrawn CN108194627A (en) | 2018-02-02 | 2018-02-02 | A kind of planetary gear mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194627A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679216A (en) * | 2018-08-13 | 2018-10-19 | 苏州星诺奇科技股份有限公司 | Assembly planetary carrier and planetary transmission |
| CN111440907A (en) * | 2020-04-10 | 2020-07-24 | 湖州瑞博鞋业有限公司 | Leather shoe leather dyeing device based on planetary gear transmission principle |
| CN113445712A (en) * | 2020-03-26 | 2021-09-28 | 广东博智林机器人有限公司 | Spiral type leveling device grabbing mechanism and ceramic tile leveling robot |
| US20220107007A1 (en) * | 2019-03-13 | 2022-04-07 | Neooto Co., Ltd. | Vehicle transmission and vehicle powertrain device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202855655U (en) * | 2012-11-19 | 2013-04-03 | 桐乡市伟达电子有限公司 | Large-power self-holding relay |
| DE102014225491A1 (en) * | 2014-12-10 | 2016-06-16 | Robert Bosch Gmbh | Electromagnetic relay, in particular starter relay for a starting device |
| CN207893118U (en) * | 2018-02-02 | 2018-09-21 | 三友联众集团股份有限公司 | A kind of planetary gear mechanism |
-
2018
- 2018-02-02 CN CN201810107660.8A patent/CN108194627A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202855655U (en) * | 2012-11-19 | 2013-04-03 | 桐乡市伟达电子有限公司 | Large-power self-holding relay |
| DE102014225491A1 (en) * | 2014-12-10 | 2016-06-16 | Robert Bosch Gmbh | Electromagnetic relay, in particular starter relay for a starting device |
| CN207893118U (en) * | 2018-02-02 | 2018-09-21 | 三友联众集团股份有限公司 | A kind of planetary gear mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679216A (en) * | 2018-08-13 | 2018-10-19 | 苏州星诺奇科技股份有限公司 | Assembly planetary carrier and planetary transmission |
| US20220107007A1 (en) * | 2019-03-13 | 2022-04-07 | Neooto Co., Ltd. | Vehicle transmission and vehicle powertrain device |
| US11920661B2 (en) * | 2019-03-13 | 2024-03-05 | Neooto Co., Ltd. | Vehicle transmission and vehicle powertrain device |
| CN113445712A (en) * | 2020-03-26 | 2021-09-28 | 广东博智林机器人有限公司 | Spiral type leveling device grabbing mechanism and ceramic tile leveling robot |
| CN111440907A (en) * | 2020-04-10 | 2020-07-24 | 湖州瑞博鞋业有限公司 | Leather shoe leather dyeing device based on planetary gear transmission principle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180622 |