CN109372955A - A kind of speed change gear - Google Patents
A kind of speed change gear Download PDFInfo
- Publication number
- CN109372955A CN109372955A CN201811307701.4A CN201811307701A CN109372955A CN 109372955 A CN109372955 A CN 109372955A CN 201811307701 A CN201811307701 A CN 201811307701A CN 109372955 A CN109372955 A CN 109372955A
- Authority
- CN
- China
- Prior art keywords
- gear
- bearing
- clutch
- closing piece
- hole
- 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
Links
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
-
- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H2003/0818—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts comprising means for power-shifting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention relates to a kind of speed change gears, belong to technical field of mechanical design.The present invention includes upper box, lower box, tooth shaft, bearing I, bearing II, bearing III, bearing IV, clutch controller I, clutch controller II, gear I, gear II, gear III, gear IV, gear V, gear VI, gear VII, gear VIII, multi-diameter shaft, bearing VI；Bearing hole I, bearing hole II, bearing hole III, bearing hole IV are offered on two side box body of lower box, through-hole is offered on lower box, rectangular channel is offered on lower box, upper box structure is identical as lower box structure, upper box is fitted on lower box by bolt and through-hole, bearing I, bearing II, bearing III, bearing IV be separately mounted to bearing hole III, bearing hole IV, bearing hole I, in bearing hole II.Speed changer series of the present invention is more, transmission efficiency is high；Structure is simple, when adjusting a wage scale several without reduction of speed；Small, long service life, application easy to spread is lost.
Description
Technical field
The present invention relates to a kind of speed change gears, belong to technical field of mechanical design.
Background technique
It is mostly commonly harmonic series speed changer without clutch mechanical structure speed changer, and multistage number is without clutch speed changer often mistake
Greatly, more than a kind of its number of steps of speeds of the multiple-speed gear-box with clutch and apparatus structure is exquisite, common band its clutch of clutch speed changer
If frictional drive, often transmission efficiency is low, and torque is small, and clutch often will first substantially reduction of speed, and institute if its speed regulation of tooth socket fit
Consumption is big.Therefore a kind of multistage number, is not necessarily to reduction of speed, the high speed changer of transmission efficiency has the great market demand.
Summary of the invention
It is big etc. to solve existing variator low efficiency, waste the object of the present invention is to provide a kind of speed change gear
Problem.
The present invention is realized by following technical scheme: a kind of speed change gear, including upper box 1, lower box 2, tooth shaft 3, bearing I
4, bearing II 5, bearing III 6, bearing IV 7, clutch controller I 8, clutch controller II 9, gear I 10, gear II 11, gear III
12, gear IV 13, gear V 14, gear VI 15, gear VII 16, gear VIII 17, multi-diameter shaft 18, bearing VI 29；2 two sides of lower box
Bearing hole I 36, bearing hole II 37, bearing hole III 38, bearing hole IV 39 are offered on cabinet, offer through-hole 21 on lower box 2,
Rectangular channel 40 is offered on lower box 2,1 structure of upper box is identical as 2 structure of lower box, and upper box 1 passes through bolt and through-hole 21
It is fitted on lower box 2, bearing I 4, bearing II 5, bearing III 6, bearing IV 7 are separately mounted to bearing hole III 38, bearing hole
IV 39, bearing hole I 36, in bearing hole II 37,18 one end of multi-diameter shaft is mounted in bearing I 4, and the other end is mounted in bearing IV 7,
Gear I 10, gear II 11, gear III 12, gear IV 13 are successively separately mounted on multi-diameter shaft 18, and tooth shaft 3 is equipped with latch I
19, latch II 20,3 one end of tooth shaft are mounted in bearing II 5, and the other end is mounted in bearing III 6, gear V 14, gear VI 15
It being mounted in tooth shaft 3 by bearing VI 29, gear V 14, gear VI 15 are located at II 20 both ends of latch of tooth shaft 3, gear VII 16,
Gear VIII 17 is mounted in tooth shaft 3 by bearing VI 29, and gear VII 16, gear VIII 17 are located at I 19 both ends of latch of tooth shaft 3, tooth
I 10 are taken turns to engage with gear V 14, gear II 11 is engaged with gear VI 15, and gear III 12 is engaged with gear VII 16, gear IV 13 with
Gear VIII 17 engages, and gear VII 16, gear VIII 17 are installed on clutch locking closure 34, gear V at the end face center towards latch I 19
14, it is installed on clutch locking closure 34 at end face center of the gear VI 15 towards latch II 20, spherical sliding slot is provided on clutch locking closure 34
35, spherical 35 port of sliding slot is hemispherical groove, and clutch controller I 8, clutch controller II 9 are mounted in tooth shaft 3, clutch control
Device I 8 processed and the latch I 19 of tooth shaft 3 cooperate, and the latch II 20 of clutch controller II 9 and tooth shaft 3 cooperates, and clutch controller I 8 wraps
Include clutch closing piece A22, clutch closing piece B23, control lever 24, bearing 25 V；The end clutch closing piece A22 is installed on connection boss I 26,
Spherical fixture block I 27 is installed on connection boss I 26, spherical I 27 front end of fixture block is spherical shape, offers screw thread in clutch closing piece A22
Axis hole 28, the end clutch closing piece B23 are installed on connection boss II 30, connect and are installed on spherical fixture block II 31, ball on boss II 30
II 31 front end of shape fixture block is spherical shape, offers external screw thread 33 outside clutch closing piece B23, offers tooth form axis hole in clutch closing piece B23
32, bearing 25 V is mounted on clutch closing piece A22, and 24 one end of control lever is mounted on bearing 25 V, and clutch closing piece B23 passes through outer
Screw thread 33 cooperates with screw thread axis hole 28 connect composition clutch controller I 8 with clutch closing piece A22, and clutch controller I 8 passes through clutch
Tooth form axis hole 32 is offered in closing piece B23 and latch I 19 is fitted in tooth shaft 3, and 24 other end of control lever is pierced by upper box 1
With the rectangular channel 40 of lower box 2, the spherical fixture block I 27 of clutch closing piece A22 and the spherical sliding slot 35 of clutch locking closure 34 cooperate, clutch
The spherical fixture block II 31 of closing piece B23 and the spherical sliding slot 35 of clutch locking closure 34 cooperate, clutch controller II 9 and clutch controller I 8
Structure is identical, and clutch controller II 9 is fitted to tooth by offering tooth form axis hole 32 and latch II 20 in clutch closing piece B23
On axis 3.
A kind of working principle of speed change gear are as follows: assembled device as required, rolling ladder axis 18, the rotation of multi-diameter shaft 18 make
Gear I 10, gear II 11, gear III 12, the gear IV 13 obtained thereon rotates, and makes gear V 14, gear VI through gear drive
15, gear VII 16, gear VIII 17 rotate, since gear VIII 17, gear VII 16, gear VI 15, V 14 inner hole of gear are assembled with
Bearing VI 29 does not turn to tooth shaft 3, control the control lever 24 on clutch controller I 8 to the right, when I 8 right end of clutch controller from
The spherical sliding slot 35 closed on the spherical fixture block II 31 on closing piece B23 and the clutch locking closure 34 of VIII 17 left end of gear cooperates backgear VIII
17 drive clutch closing piece B23 rotation, and clutch closing piece B23 is driven the latch I 19 in tooth shaft 3 by tooth form axis hole 32 thereon, made
Tooth shaft 3 rotates, since the transmission ratio of coupling gear is different, by mobile clutch controller I 8, clutch controller II 9 make its with
The cooperation of clutch locking closure 34 on different gears is so that tooth shaft 3 obtains different speed, realization speed change purpose.
The invention has the following advantages:
1, speed changer series is more, transmission efficiency is high；
2, structure is simple, when adjusting a wage scale several without reduction of speed；
3, small, long service life, application easy to spread is lost.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is interior arrangement structural schematic diagram of the present invention；
Fig. 3 is box structure diagram of the invention；
Fig. 4 is tooth shaft structural schematic diagram of the invention；
Fig. 5 is stepped shaft structure schematic diagram of the invention；
Fig. 6 is clutch controller structural schematic diagram of the invention；
Fig. 7 is clutch controller schematic diagram of internal structure of the invention；
Fig. 8 is clutch closing piece A structural schematic diagram of the invention；
Fig. 9 is clutch closing piece B structure schematic diagram of the invention；
Figure 10 is clutch locking closure structural schematic diagram of the invention；
Figure 11 is clutch fit structure schematic diagram of the invention.
Each label in figure are as follows: 1: upper box, 2: lower box, 3: tooth shaft, 4: bearing I, 5: bearing II, 6: bearing III, 7: axis
Hold IV, 8: clutch controller I, 9: clutch controller II, 10: gear I, 11: gear II, 12: gear III, 13: gear IV, 14:
Gear V, 15: gear VI, 16: gear VII, 17: gear VIII, 18: multi-diameter shaft, 19: latch I, 20: latch II, 21: through-hole, 22:
Clutch closing piece A, 23: clutch closing piece B, 24: control lever, 25: bearing V, 26: connection boss I, 27: spherical fixture block I, 28: screw thread
Axis hole, 29: bearing VI, 30: connection boss II, 31: spherical fixture block II, 32: tooth form axis hole, 33: external screw thread, 34: clutch locking closure,
35: spherical sliding slot, 36: bearing hole I, 37: bearing hole II, 38: bearing hole III, 39: bearing hole IV, 40: rectangular channel.
Specific embodiment
With reference to the accompanying drawings and examples, the invention will be further described, but the contents of the present invention be not limited to it is described
Range.
Embodiment 1: as shown in figs. 1-11, a kind of speed change gear, including upper box 1, lower box 2, tooth shaft 3, bearing I 4, axis
Hold II 5, bearing III 6, bearing IV 7, clutch controller I 8, clutch controller II 9, gear I 10, gear II 11, gear III 12, tooth
Take turns IV 13, gear V 14, gear VI 15, gear VII 16, gear VIII 17, multi-diameter shaft 18, bearing VI 29；2 liang of side box bodies of lower box
On offer bearing hole I 36, bearing hole II 37, bearing hole III 38, bearing hole IV 39, offer through-hole 21, nowel on lower box 2
Rectangular channel 40 is offered on body 2,1 structure of upper box is identical as 2 structure of lower box, and upper box 1 is cooperated by bolt and through-hole 21
It is mounted on lower box 2, bearing I 4, bearing II 5, bearing III 6, bearing IV 7 are separately mounted to bearing hole III 38, bearing hole IV
39, bearing hole I 36, in bearing hole II 37,18 one end of multi-diameter shaft is mounted in bearing I 4, and the other end is mounted in bearing IV 7, tooth
I 10, gear II 11, gear III 12, gear IV 13 is taken turns successively to be separately mounted on multi-diameter shaft 18, tooth shaft 3 be equipped with latch I 19,
Latch II 20,3 one end of tooth shaft are mounted in bearing II 5, and the other end is mounted in bearing III 6, and gear V 14, gear VI 15 pass through
Bearing VI 29 is mounted in tooth shaft 3, and gear V 14, gear VI 15 are located at II 20 both ends of latch of tooth shaft 3, gear VII 16, gear
VIII 17 are mounted in tooth shaft 3 by bearing VI 29, and gear VII 16, gear VIII 17 are located at I 19 both ends of latch of tooth shaft 3, gear I 10
It is engaged with gear V 14, gear II 11 is engaged with gear VI 15, and gear III 12 is engaged with gear VII 16, gear IV 13 and gear VIII
17 engagements, gear VII 16, gear VIII 17 are installed on clutch locking closure 34, gear V 14, gear at the end face center towards latch I 19
It is installed on clutch locking closure 34 at VI 15 end face centers towards latch II 20, spherical sliding slot 35 is provided on clutch locking closure 34, it is spherical
35 port of sliding slot is hemispherical groove, and clutch controller I 8, clutch controller II 9 be mounted in tooth shaft 3, clutch controller I 8 with
The latch I 19 of tooth shaft 3 cooperates, and the latch II 20 of clutch controller II 9 and tooth shaft 3 cooperates, and clutch controller I 8 includes Clutch lock
Block A22, clutch closing piece B23, control lever 24, bearing 25 V；The end clutch closing piece A22 is installed on connection boss I 26, connects boss
Spherical fixture block I 27 is installed on I 26, spherical I 27 front end of fixture block is spherical shape, screw thread axis hole 28 is offered in clutch closing piece A22, from
It closes the end closing piece B23 and is installed on connection boss II 30, connect and be installed on spherical fixture block II 31, spherical fixture block II 31 on boss II 30
Front end is spherical shape, offers external screw thread 33 outside clutch closing piece B23, tooth form axis hole 32, bearing 25 V are offered in clutch closing piece B23
It is mounted on clutch closing piece A22,24 one end of control lever is mounted on bearing 25 V, and clutch closing piece B23 passes through external screw thread 33 and spiral shell
The cooperation of line axis hole 28 connect composition clutch controller I 8 with clutch closing piece A22, and clutch controller I 8 in clutch closing piece B23 by opening
It is fitted in tooth shaft 3 equipped with tooth form axis hole 32 and latch I 19,24 other end of control lever is pierced by upper box 1 and lower box 2
Rectangular channel 40, the spherical fixture block I 27 of clutch closing piece A22 and the spherical sliding slot 35 of clutch locking closure 34 cooperate, the ball of clutch closing piece B23
The spherical sliding slot 35 of shape fixture block II 31 and clutch locking closure 34 cooperates, and clutch controller II 9 is identical as I 8 structure of clutch controller, from
Hop controller II 9 is fitted in tooth shaft 3 by offering tooth form axis hole 32 and latch II 20 in clutch closing piece B23.
Claims (1)
1. a kind of speed change gear, it is characterised in that: including upper box (1), lower box (2), tooth shaft (3), bearing I (4), bearing II
(5), bearing III (6), bearing IV (7), clutch controller I (8), clutch controller II (9), gear I (10), gear II (11),
Gear III (12), gear IV (13), gear V (14), gear VI (15), gear VII (16), gear VIII (17), multi-diameter shaft (18),
Bearing VI (29)；Bearing hole I (36), bearing hole II (37), bearing hole III (38), axis are offered on (2) two side box body of lower box
Bearing bore IV (39) is offered through-hole (21) on lower box (2), is offered on lower box (2) rectangular channel (40), upper box (1) knot
Structure is identical as lower box (2) structure, and upper box (1) is fitted on lower box (2) by bolt and through-hole (21), bearing I
(4), bearing II (5), bearing III (6), bearing IV (7) are separately mounted to bearing hole III (38), bearing hole IV (39), bearing hole I
(36), in bearing hole II (37), multi-diameter shaft (18) one end is mounted in bearing I (4), and the other end is mounted in bearing IV (7), tooth
I (10) of wheel, gear II (11), gear III (12), gear IV (13) are successively separately mounted on multi-diameter shaft (18), in tooth shaft (3)
Equipped with latch I (19), latch II (20), tooth shaft (3) one end is mounted in bearing II (5), and the other end is mounted on bearing III (6)
Interior, gear V (14), gear VI (15) are mounted on tooth shaft (3) by bearing VI (29), gear V (14), gear VI (15) position
In latch II (20) both ends of tooth shaft (3), gear VII (16), gear VIII (17) are mounted on tooth shaft (3) by bearing VI (29),
Gear VII (16), gear VIII (17) are located at latch I (19) both ends of tooth shaft (3), and gear I (10) is engaged with gear V (14), tooth
II (11) of wheel are engaged with gear VI (15), and gear III (12) is engaged with gear VII (16), and gear IV (13) is nibbled with gear VIII (17)
It closes, gear VII (16), gear VIII (17) are installed on clutch locking closure (34), gear V at the end face center towards latch I (19)
(14), it is installed on clutch locking closure (34) at end face center of the gear VI (15) towards latch II (20), clutch locking closure is opened on (34)
Have spherical sliding slot (35), spherical sliding slot (35) port is hemispherical groove, clutch controller I (8), clutch controller II (9) peace
On tooth shaft (3), the latch I (19) of clutch controller I (8) and tooth shaft (3) cooperates, clutch controller II (9) and tooth shaft (3)
Latch II (20) cooperation, clutch controller I (8) includes clutch closing piece A(22), clutch closing piece B(23), control lever (24), axis
Hold (25) V；Clutch closing piece A(22) end be installed on connection boss I (26), connection boss I (26) on be installed on spherical fixture block I
(27), spherical fixture block I (27) front end be spherical shape, clutch closing piece A(22) in offer screw thread axis hole (28), clutch closing piece B(23)
End is installed on connection boss II (30), is installed on spherical fixture block II (31), spherical fixture block II (31) in connection boss II (30)
Front end is spherical shape, clutch closing piece B(23) outside offer external screw thread (33), clutch closing piece B(23) in offer tooth form axis hole (32),
Bearing (25) V is mounted on clutch closing piece A(22) on, control lever (24) one end is mounted on bearing (25) V, clutch closing piece B
(23) cooperated by external screw thread (33) with screw thread axis hole (28) and connect composition clutch controller I (8) with clutch closing piece A(22), from
Hop controller I (8) is fitted to tooth shaft (3) with latch I (19) by offering tooth form axis hole (32) in clutch closing piece B(23)
On, control lever (24) other end is pierced by the rectangular channel (40) of upper box (1) Yu lower box (2), clutch closing piece A(22) spherical clip
The spherical sliding slot (35) of block I (27) and clutch locking closure (34) cooperates, clutch closing piece B(23) spherical fixture block II (31) and Clutch lock
Spherical sliding slot (35) cooperation of (34) is covered, clutch controller II (9) is identical as clutch controller I (8) structure, clutch controller II
(9) it is fitted on tooth shaft (3) by offering tooth form axis hole (32) in clutch closing piece B(23) with latch II (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307701.4A CN109372955B (en) | 2018-11-05 | 2018-11-05 | Speed changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307701.4A CN109372955B (en) | 2018-11-05 | 2018-11-05 | Speed changing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109372955A true CN109372955A (en) | 2019-02-22 |
| CN109372955B CN109372955B (en) | 2023-10-13 |
Family
ID=65397303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811307701.4A Active CN109372955B (en) | 2018-11-05 | 2018-11-05 | Speed changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109372955B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201209651Y (en) * | 2008-05-08 | 2009-03-18 | 周庆明 | Transmission for automobile |
| CN201377552Y (en) * | 2009-03-12 | 2010-01-06 | 胡会林 | Gear box |
| US20110005343A1 (en) * | 2008-03-31 | 2011-01-13 | Shinya Matsumoto | Multi-stage transmission |
| CN202992045U (en) * | 2012-12-19 | 2013-06-12 | 常州市五达电器设备有限公司 | Variable-speed gear of electric vehicle |
| CN105889464A (en) * | 2014-12-26 | 2016-08-24 | 浙江汇鑫传动机械有限公司 | Coaxial multi-stage gearbox |
| CN209294345U (en) * | 2018-11-05 | 2019-08-23 | 昆明理工大学 | A kind of speed change gear |
-
2018
- 2018-11-05 CN CN201811307701.4A patent/CN109372955B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110005343A1 (en) * | 2008-03-31 | 2011-01-13 | Shinya Matsumoto | Multi-stage transmission |
| CN201209651Y (en) * | 2008-05-08 | 2009-03-18 | 周庆明 | Transmission for automobile |
| CN201377552Y (en) * | 2009-03-12 | 2010-01-06 | 胡会林 | Gear box |
| CN202992045U (en) * | 2012-12-19 | 2013-06-12 | 常州市五达电器设备有限公司 | Variable-speed gear of electric vehicle |
| CN105889464A (en) * | 2014-12-26 | 2016-08-24 | 浙江汇鑫传动机械有限公司 | Coaxial multi-stage gearbox |
| CN209294345U (en) * | 2018-11-05 | 2019-08-23 | 昆明理工大学 | A kind of speed change gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109372955B (en) | 2023-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10677337B2 (en) | Continuously variable transmission | |
| CN109322824A (en) | Helical-lobe compressor and its multi-stage screw drive mechanism | |
| CN209294345U (en) | A kind of speed change gear | |
| US20190383376A1 (en) | Continuously variable transmission | |
| CN208919226U (en) | A kind of hub reduction gear assembly being easy to switch drive mode | |
| CN109372955A (en) | A kind of speed change gear | |
| CN108291609A (en) | Retarder | |
| CN205479657U (en) | Angle stroke reducing gear box structure | |
| CN208519124U (en) | A kind of driving device and its deceleration mechanism | |
| CN208773429U (en) | A kind of hand-held tool ratchet accelerator | |
| CN211599417U (en) | Special planetary reducer of air cycle | |
| CN207879984U (en) | A kind of door and window speed-changing gear box | |
| CN207005209U (en) | Planet-gear speed reducer planet wheel mounting structure | |
| CN205918589U (en) | Helical -lobe compressor and multistage screw drive structure thereof | |
| CN201934769U (en) | Limit device for valve opening/closing mechanism | |
| CN202195000U (en) | Speed reducer for vegetable greenhouses | |
| CN209115635U (en) | A kind of modified sun gear | |
| CN107834769A (en) | A kind of reducing motor | |
| CN212509373U (en) | Planetary gear reduction box | |
| CN105840757B (en) | A kind of double speed reducing rotation devices | |
| CN216715146U (en) | Planetary gear reduction box | |
| CN220600616U (en) | Two-stage eccentric adapter | |
| CN219432592U (en) | Rotation angle adjusting structure and spiral hydraulic actuator | |
| CN216407630U (en) | Ball worm speed reducer | |
| CN211018540U (en) | Integrated granary switch gear motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Wenbo Inventor after: Wang Juan Inventor after: Liu Meihong Inventor after: Song Xiaolei Inventor after: Hong Enhang Inventor before: Liu Meihong Inventor before: Wang Juan Inventor before: Chen Wenbo Inventor before: Song Xiaolei Inventor before: Hong Enhang |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |