CN208982622U - A kind of tube shaped electric machine deceleration mechanism with arrangement of clutch - Google Patents
A kind of tube shaped electric machine deceleration mechanism with arrangement of clutch Download PDFInfo
- Publication number
- CN208982622U CN208982622U CN201821396104.9U CN201821396104U CN208982622U CN 208982622 U CN208982622 U CN 208982622U CN 201821396104 U CN201821396104 U CN 201821396104U CN 208982622 U CN208982622 U CN 208982622U
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- clutch
- deceleration mechanism
- arrangement
- electric machine
- tube shaped
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- 230000007246 mechanism Effects 0.000 title claims abstract description 49
- 239000000523 sample Substances 0.000 claims abstract description 27
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Mechanical Operated Clutches (AREA)
Abstract
The tube shaped electric machine deceleration mechanism with arrangement of clutch that the utility model discloses a kind of, including shell, the shell is equipped with deceleration mechanism, clutch, Rotating speed measring mechanism and motor, the clutch mechanism include main clutch post with from clutch post, bearing block, fixing seat and electromagnetic clutch, the main clutch post is fixed on driving shaft, it is described to offer guide chute from clutch post one end, the driven shaft is equipped with flat key corresponding with the guide chute, fixed block is equipped in the arrangement of clutch, the fixed block with out of clutch post support be equipped with spring, the Rotating speed measring mechanism includes signal fluted disc, sensor fixing plate and speed probe, the signal fluted disc is fixedly mounted on driving shaft, the driving shaft is mounted in sensor fixing plate by bearing, speed probe is installed in the sensor fixing plate, By above structure, it can be achieved that clutch is automatically separated protects to motor, extend the service life of motor, operational reliability is good.
Description
Technical field
The utility model relates to motor reducer technical field, in particular to a kind of tube shaped electric machine with arrangement of clutch subtracts
Fast mechanism.
Background technique
It is all in garage door, retail shop and home-use shutter door, sunshade to roll up the class decontroled and closed, generally use tubulose
Motor decelerating mechanism carries out automatic shutter；Existing tube shaped electric machine deceleration mechanism, generally includes shaft coupling and planetary gear train,
Planetary gear train includes planetary gear and sun gear, and sun gear is connect with shaft coupling.
Chinese patent (Authorization Notice No.: CN202274049U) discloses a kind of tubular motor reducer, including three-level passes
Dynamic structure, three steps of three-level bracket point, bottom step part is spline, and internal tooth cover for seat, three-level branch are cased in intermediate step
The tip designs of frame have a slot, and such design is so that the intensity of speed reducer greatly enhances, and connects more firm, this reality
It is simple with new structure, it is easy to operate, the efficiency of tubulose speed reducer is improved, and meet the requirement of reduction ratio and intensity.
Above described tubular motor reducer, when sun gear and the planetary gear in tubular motor reducer are stuck or planetary gear with it is interior
When tooth set is stuck, stall can occur under power on condition for motor, decline to a great extent so as to cause the service life of motor.
Summary of the invention
The tube shaped electric machine deceleration mechanism with arrangement of clutch that the purpose of the utility model is to provide a kind of is examined with revolving speed
Surveying mechanism and clutch can be separated by clutch when being in the presence of that gear engages stuck, motor is avoided to be powered
Lower generation stall, protects motor, extends the service life of motor, and operational reliability is good.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of with arrangement of clutch
Tube shaped electric machine deceleration mechanism, including shell is from left to right connected with deceleration mechanism, clutch and electricity in turn in the shell
Machine is connected with driving shaft between the motor and clutch, driven shaft is connected between the clutch and deceleration mechanism, described
Clutch mechanism include can be intermeshed the main clutch post that rotates together with from clutch post, bearing block, fixing seat and electromagnetism from
Clutch, the main clutch post is fixed on one end of driving shaft, described to offer guide chute far from driving shaft one end from clutch post,
The guide chute is through to close to the end face of driven shaft one end, and the driven shaft is equipped with corresponding with the guide chute
Flat key, it is described to cooperate from clutch post and driven shaft sliding, be equipped with fixed block in the driven shaft, the fixed block with from clutch post
Interior support is equipped with spring；
Described to be mounted on bearing block from clutch post by bearing, the bearing block bottom end is equipped with sliding block, the fixing seat
Slide slot corresponding with the sliding block is inside offered, the bearing block lower end is equipped with iron core, the iron core end face and electromagnetic clutch
Device end face is opposite；
Rotating speed measring mechanism is additionally provided between the clutch and motor, the Rotating speed measring mechanism includes signal teeth
Disk, sensor fixing plate and speed probe, the signal fluted disc are fixedly mounted on driving shaft, and the driving shaft passes through bearing
It is mounted in sensor fixing plate, the speed probe for detecting signal fluted disc, institute is installed in the sensor fixing plate
The induction end for stating speed probe is opposite with the teeth portion of the signal fluted disc.
Further, the deceleration mechanism includes planetary reduction gear component, big internal tooth casing and small internal tooth casing, the planetary reduction gear
Component includes primary planet wheel assembly, secondary planet wheel assembly and third-level planetary wheel assembly, the planetary gear of secondary planet wheel assembly
It is engaged with big internal tooth casing with the planetary gear of third-level planetary wheel assembly, the planetary gear of primary planet wheel assembly is nibbled with small internal tooth casing
It closes, level-one sun gear, primary planet wheel and the small internal tooth casing of the primary planet wheel assembly are helical teeth, and in 13 ° of settings.
Further, one end of the driven shaft is connected with second shaft coupling, and the outer wall of the second shaft coupling is equipped with bullet
Property fixture block, the big internal tooth covers upper connection sheet and offers card slot compatible with elastic clamping block.
Further, primary planet wheel end face offers storage oilhole.
Further, the signal fluted disc offers the first lightening hole of the distribution of the angular separation such as 6.
Further, the fixing seat offers the second lightening hole.
Further, the sensor fixing plate is bowl structure, and the signal fluted disc is installed on described by driving shaft
Inside sensor fixing plate, the speed probe is installed on the side wall of the sensor fixing plate.
Further, the outer wall of the speed probe offers first positioning hole, and the sensor fixing plate offers
Second location hole identical with the first positioning hole size, first positioning hole and second location hole are all threaded hole.
Further, the shell terminal is provided with terminal device, the terminal device and speed probe and electromagnetism from
Clutch connection, the tach signal detected for receiving the speed probe, while being powered for being sent to electromagnetic clutch
Signal.
Further, the shell terminal is provided with buzzer, and the buzzer is connected with the terminal device.
In conclusion the utility model has the following beneficial effects: its with Rotating speed measring mechanism and clutch, when going out
When existing gear engages stuck situation, it can be separated by clutch, avoid motor that stall occurs under energization, motor is carried out
Protection, extends the service life of motor, operational reliability is good.And it has the advantage that
1. the level-one sun gear, primary planet component and small internal tooth casing are helical teeth, deceleration mechanism is made to make an uproar at work
Sound is reduced.
2. three primary planet wheel end faces respectively offer storage oilhole, when gear engaged transmission, temperature is increased, and makes to moisten
Consistent lubricant can be thrown away with gear drive direction, be lubricated to gear, and the frictional force between gear is reduced, and it is stuck to reduce gear appearance
Probability.
3. the shell terminal is provided with buzzer, the buzzer is connected with the terminal device, and terminal device is used
In the signal for receiving speed probe transmitting, and to signal processing, when being in the presence of that gear is stuck, terminal device can be simultaneously
The signal being powered is issued to buzzer and electromagnetic clutch, when clutch can be separated at once, while buzzer can issue
Loud buzzer intuitively notifies operator that stuck state occurs in gear at this time, needs to power off motor power immediately.
Detailed description of the invention
Fig. 1 is the left view of the utility model.
Fig. 2 is the Rotating speed measring mechanism explosive view of the utility model.
Fig. 3 is the deceleration mechanism explosive view of the utility model.
Fig. 4 is the slave clutch post structural schematic diagram of the utility model.
Fig. 5 is the partial schematic diagram of the clutch of the utility model.
In Fig. 1-5: 1, deceleration mechanism；11, primary planet wheel assembly；111, level-one sun gear；112, primary planet wheel；
113, oilhole is stored；12, secondary planet wheel assembly；13, third-level planetary wheel assembly；14, big internal tooth casing；141, card slot；142, it connects
Piece；15, small internal tooth casing；16, first shaft coupling；161, elastic clamping block；162, link slot；17, second shaft coupling；2, clutch
Structure；21, driven shaft；211, flat key；22, fixed block；23, spring；24, from clutch post；241, guide chute；25, bearing block；
251, iron core；252, sliding block；253, the second lightening hole；26, electromagnetic clutch；27, main clutch post；28, driving shaft；29, fixed
Seat；291, slide slot；3, Rotating speed measring mechanism；31, positioning sleeve；32, signal fluted disc；321, the first lightening hole；33, sensor is solid
Price fixing；331, second location hole；34, speed probe；341, first positioning hole；35, positioning screw；4, motor；5, terminal is set
It is standby；51, buzzer.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figs. 1-5, a kind of tube shaped electric machine deceleration mechanism with arrangement of clutch, including shell, in the shell from
It is left-to-right to be connected with deceleration mechanism 1, clutch 2 and motor 4 in turn, it is connected between the motor 4 and clutch 2 actively
Axis 28, is connected with driven shaft 21 between the clutch 2 and deceleration mechanism 1, the clutch 2 includes that can be intermeshed one
With rotation main clutch post 27 with from clutch post 24, bearing block 25, fixing seat 29 and electromagnetic clutch 26, the main clutch post 27
It is fixed on one end of driving shaft 28, it is described to offer guide chute 241, the guiding far from 28 one end of driving shaft from clutch post 24
Sliding slot 241 is through to close to the end face of 21 one end of driven shaft, and 21 outer wall of driven shaft is equipped with opposite with the guide chute 241
The flat key 211 answered, it is described to cooperate from clutch post 24 and the sliding of driven shaft 21, fixed block 22 is equipped in the driven shaft 21, it is described
Fixed block 22 is supported with out of clutch post 24 equipped with spring 23.
Described to be mounted on bearing block 25 from clutch post 24 by bearing, 25 bottom end of bearing block is equipped with sliding block 252, institute
It states and offers slide slot 291 corresponding with the sliding block 252 in fixing seat 29,25 lower end of bearing block is equipped with iron core 251, institute
It is opposite with 26 end face of electromagnetic clutch to state 251 end face of iron core；When 4 power supply of motor is powered, when Rotating speed measring mechanism 3 is being set
When detecting that the revolving speed of driving shaft 28 is consistently less than the threshold value of setting within fixing time, electromagnetic clutch 26 is set to be powered, bearing block
Iron core 251 on 25 is attracted, so that main clutch post 27 be made to separate with from clutch post 24.
The deceleration mechanism 1 includes planetary reduction gear component, big internal tooth casing 14 and small internal tooth casing 15, the planetary reduction gear component
Including primary planet wheel assembly 11, secondary planet wheel assembly 12 and third-level planetary wheel assembly 13, the row of secondary planet wheel assembly 12
The planetary gear of star-wheel and third-level planetary wheel assembly 13 is engaged with big internal tooth casing 14, the planetary gear of 112 component 11 of primary planet wheel
Engaged with small internal tooth casing 15, level-one sun gear 111, primary planet wheel 112 in the primary planet wheel assembly 11 and it is small in
Tooth set 15 is helical teeth, and in 13 ° of settings, by above-mentioned setting, making deceleration mechanism 1, noise is reduced at work.The level-one
112 end face of planetary gear, which offers, stores oilhole 113, and when gear engaged transmission, lubricating grease can be thrown away with gear drive direction, right
Gear is lubricated.
The first lightening hole 321 that the distribution of the angular separation such as 6 is offered on the signal fluted disc 32, can mitigate signal fluted disc 32
Weight, make the power carried on driving shaft 28 reduce, driving shaft 28 is protected, while mitigating the weight of signal fluted disc 32,
4 energy consumption of motor can be reduced.
The sensor fixing plate 33 is bowl structure, and the signal fluted disc 32 is installed on the sensing by driving shaft 28
Inside device fixed disk 33, the speed probe 34 is installed on the side wall of the sensor fixing plate 33.Pass the revolving speed
Sensor 34 is fixedly mounted on the side wall of sensor fixing plate 33, since sensor fixing plate 33 is not susceptible to resonate, is made simultaneously
The relative position for obtaining speed probe 34 and signal fluted disc 32 is stablized, and is swung so as to avoid because of the induction end of speed probe 34
It is excessive and with 32 contact wear of signal fluted disc, cause to damage.
The outer wall of the speed probe 34 offers first positioning hole 341, the sensor fixing plate 33 offer with
The second location hole 331 of the identical size of the first positioning hole 341, first positioning hole 341 and second location hole 331 are all screw thread
Speed probe 34 is fixed on sensing with positioning screw 35 by opening up first positioning hole 341 and second location hole 331 by hole
On the outer wall of device fixed disk 33.
One end of the driven shaft 21 is connected with second shaft coupling 17, and the second shaft coupling 17 is far from driven shaft 21 1
End be equipped with the angular separation such as 6 distribution link slot 162, the big internal tooth casing 14 by primary planet wheel assembly 11 one end be equipped with
The corresponding connection sheet 142 of the link slot 162 can be such that second shaft coupling 17 and driven shaft 21 cooperates and pass by above-mentioned setting
Dynamic, the deceleration mechanism 1 is connected with first shaft coupling 16 far from one end of driven shaft 21, for connecting transmission shaft.
162 outer wall of link slot is equipped with elastic clamping block 161, the connection sheet 142 on the big internal tooth casing 14 offer with
The compatible card slot 141 of elastic clamping block 161 can carry out axially position to planetary mechanism by above-mentioned setting.
The Rotating speed measring mechanism 3 include signal fluted disc 32, sensor fixing plate 33, speed probe 34 and with actively
Axis 28, the signal fluted disc 32 are fixedly mounted on driving shaft 28, and the driving shaft 28 is mounted on sensor by bearing and fixes
On disk 33, the speed probe 34 for detecting signal fluted disc 32 is installed in the sensor fixing plate 33, the revolving speed passes
The induction end of sensor 34 is opposite with the teeth portion of the signal fluted disc 32, and the shell terminal is provided with terminal device 5, the terminal
Equipment 5 is connect with speed probe 34 and electromagnetic clutch 26, the revolving speed letter detected for receiving the speed probe 34
Number, while for sending power on signal to electromagnetic clutch 26, the shell terminal is provided with buzzer 51, the buzzer 51
It is connected with the terminal device 5.
The basic functional principle of the utility model are as follows: when power supply is powered, speed probe 34 continues signal teeth
The revolving speed of disk 32 is sent to terminal device 5, when the revolving speed that terminal device 5 receives signal fluted disc 32 is consistently less than given threshold
When signal, terminal device 5 is simultaneously emitted by power on signal to electromagnetic clutch 26 and buzzer 51.
When electromagnetic clutch 26 is powered, electromagnetic clutch 26 is attracted the iron core 251 on bearing block 25, bearing block
25 slide along the direction that iron core 251 is attracted, and are attracted direction along iron core 251 to drive from clutch post 21 by guide chute 241
(direction far from main clutch post 27) sliding, makes main clutch post 27 achieve the effect that separate with from clutch post 21, to avoid electricity
Stall occurs for machine 4, protects to motor 4, extends the service life of motor 4.
When buzzer 51 is powered, buzzer 51 can issue loud buzzer, can intuitively remind operator's tooth at this time
There is stuck state in wheel, needs to power off 4 power supply of motor immediately.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (10)
1. a kind of tube shaped electric machine deceleration mechanism with arrangement of clutch, including shell, it is set gradually from left to right in the shell
There are deceleration mechanism (1), clutch (2) and motor (4), is connected with driving shaft between the motor (4) and clutch (2)
(28), driven shaft (21) are connected between the clutch (2) and deceleration mechanism (1), it is characterised in that:
The clutch (2) include can be intermeshed the main clutch post (27) that rotates together with from clutch post (24), bearing block
(25), fixing seat (29) and electromagnetic clutch (26), the main clutch post (27) are fixed on one end of driving shaft (28), it is described from
Clutch post (24) offers guide chute (241) far from driving shaft (28) one end, the guide chute (241) be through to close to from
The end face of moving axis (21) one end, driven shaft (21) outer wall are equipped with flat key corresponding with the guide chute (241)
(211), described to cooperate from clutch post (24) and driven shaft (21) sliding, the driven shaft (21) is equipped with fixed block (22), institute
Fixed block (22) are stated to support with out of clutch post (24) equipped with spring (23)；
Described to be mounted on bearing block (25) from clutch post (24) by bearing, bearing block (25) bottom end is equipped with sliding block
(252), slide slot (291) corresponding with the sliding block (252) is offered in the fixing seat (29), under the bearing block (25)
End is equipped with iron core (251), and iron core (251) end face is opposite with electromagnetic clutch (26) end face；
It is additionally provided with Rotating speed measring mechanism (3) between the clutch (2) and motor (4), Rotating speed measring mechanism (3) packet
Signal fluted disc (32), sensor fixing plate (33) and speed probe (34) are included, the signal fluted disc (32) is fixedly mounted on master
On moving axis (28), the driving shaft (28) is mounted on sensor fixing plate (33) by bearing, the sensor fixing plate
(33) speed probe (34) for detecting signal fluted disc (32) is installed on, the induction end of the speed probe (34) with
The teeth portion of the signal fluted disc (32) is opposite.
2. a kind of tube shaped electric machine deceleration mechanism with arrangement of clutch according to claim 1, it is characterised in that: described to subtract
Fast mechanism (1) includes planetary reduction gear component, big internal tooth casing (14) and small internal tooth casing (15), and the planetary reduction gear component includes level-one
Planetary wheeling assembly (11), secondary planet wheel assembly (12) and third-level planetary wheel assembly (13), the row of secondary planet wheel assembly (12)
The planetary gear of star-wheel and third-level planetary wheel assembly (13) is engaged with big internal tooth casing (14), the planet of primary planet wheel assembly (11)
Wheel is engaged with small internal tooth casing (15), level-one sun gear (111), primary planet wheel in the primary planet wheel assembly (11)
(112) and small internal tooth casing (15) is helical teeth, and in 13 ° of settings.
3. a kind of tube shaped electric machine deceleration mechanism with arrangement of clutch according to claim 2, it is characterised in that: it is described from
One end of moving axis (21) is connected with second shaft coupling (17), and the outer wall of the second shaft coupling (17) is equipped with elastic clamping block (161),
Connection sheet (142) on the big internal tooth casing (14) offers and elastic clamping block (161) compatible card slot (141).
4. a kind of tube shaped electric machine deceleration mechanism with arrangement of clutch according to claim 2, it is characterised in that: described one
Grade planetary gear (112) end face, which offers, stores oilhole (113).
5. a kind of tube shaped electric machine deceleration mechanism with arrangement of clutch according to claim 1, it is characterised in that: the letter
Number fluted disc (32) offers the first lightening hole (321) of the distribution of the angular separation such as 6.
6. a kind of tube shaped electric machine deceleration mechanism with arrangement of clutch according to claim 1, it is characterised in that: described solid
Reservation (29) offers the second lightening hole (253).
7. a kind of tube shaped electric machine deceleration mechanism with arrangement of clutch according to claim 1, it is characterised in that: the biography
Sensor fixed disk (33) is bowl structure, and the signal fluted disc (32) is installed on the sensor fixing plate by driving shaft (28)
(33) internal, the speed probe (34) is installed on the side wall of the sensor fixing plate (33).
8. a kind of tube shaped electric machine deceleration mechanism with arrangement of clutch according to claim 1, it is characterised in that: described turn
The outer wall of fast sensor (34) offers first positioning hole (341), and the sensor fixing plate (33) offers and described first
The identical second location hole (331) of location hole (341) size, first positioning hole (341) and second location hole (331) are all screw thread
Hole.
9. a kind of tube shaped electric machine deceleration mechanism with arrangement of clutch according to claim 1, it is characterised in that: described outer
Shell terminal is provided with terminal device (5), and the terminal device (5) connect with speed probe (34) and electromagnetic clutch (26),
For receiving the signal of the speed probe (34) transmitting, while for sending on-off electric signal to electromagnetic clutch (26).
10. a kind of tube shaped electric machine deceleration mechanism with arrangement of clutch according to claim 9, it is characterised in that: described
Shell terminal is provided with buzzer (51), and the buzzer (51) is connected with the terminal device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396104.9U CN208982622U (en) | 2018-08-28 | 2018-08-28 | A kind of tube shaped electric machine deceleration mechanism with arrangement of clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396104.9U CN208982622U (en) | 2018-08-28 | 2018-08-28 | A kind of tube shaped electric machine deceleration mechanism with arrangement of clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208982622U true CN208982622U (en) | 2019-06-14 |
Family
ID=66782518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821396104.9U Expired - Fee Related CN208982622U (en) | 2018-08-28 | 2018-08-28 | A kind of tube shaped electric machine deceleration mechanism with arrangement of clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208982622U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043247A (en) * | 2019-11-29 | 2020-04-21 | 宁波夏厦齿轮有限公司 | Speed reducer gear assembly for new energy vehicle |
| CN111431340A (en) * | 2020-04-28 | 2020-07-17 | 黄明实 | Speed-regulating power generation device and speed-regulating method thereof |
| CN114396434A (en) * | 2021-12-14 | 2022-04-26 | 华能核能技术研究院有限公司 | Electromagnetic coupling of control rod driving mechanism of pebble bed type high-temperature gas cooled reactor |
| CN115781450A (en) * | 2023-01-30 | 2023-03-14 | 成都赛林斯科技实业有限公司 | Optical lens material grinding assembly and grinding equipment with same |
-
2018
- 2018-08-28 CN CN201821396104.9U patent/CN208982622U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043247A (en) * | 2019-11-29 | 2020-04-21 | 宁波夏厦齿轮有限公司 | Speed reducer gear assembly for new energy vehicle |
| CN111431340A (en) * | 2020-04-28 | 2020-07-17 | 黄明实 | Speed-regulating power generation device and speed-regulating method thereof |
| CN111431340B (en) * | 2020-04-28 | 2021-07-27 | 黄明实 | Speed-regulating power generation device and speed-regulating method thereof |
| CN114396434A (en) * | 2021-12-14 | 2022-04-26 | 华能核能技术研究院有限公司 | Electromagnetic coupling of control rod driving mechanism of pebble bed type high-temperature gas cooled reactor |
| CN115781450A (en) * | 2023-01-30 | 2023-03-14 | 成都赛林斯科技实业有限公司 | Optical lens material grinding assembly and grinding equipment with same |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |