CN101456632B - Motor peering type cycloid star wheel diving flow impeller - Google Patents
Motor peering type cycloid star wheel diving flow impeller Download PDFInfo
- Publication number
- CN101456632B CN101456632B CN2008101698585A CN200810169858A CN101456632B CN 101456632 B CN101456632 B CN 101456632B CN 2008101698585 A CN2008101698585 A CN 2008101698585A CN 200810169858 A CN200810169858 A CN 200810169858A CN 101456632 B CN101456632 B CN 101456632B
- Authority
- CN
- China
- Prior art keywords
- motor
- star wheel
- reducing gear
- alarm
- leakage alarm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000009189 diving Effects 0.000 title description 6
- 239000000523 sample Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000007667 floating Methods 0.000 claims description 15
- 239000010865 sewage Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 241000239290 Araneae Species 0.000 claims description 6
- 230000011664 signaling Effects 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 abstract 2
- 230000007246 mechanism Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000012208 gear oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a cycloidal pinion submersible water impeller directly connected with a motor. The cycloidal pinion submersible water impeller comprises a motor directly-connected type cycloidal pinion transmission system; the motor(1) is provided with a leakage alarming protection system comprising a leakage alarm device(31) and an oil-water probe alarm device(32); the leakage alarm device(31) is provided with a vertical slide rod(18) provided with a nut(19) and a sliding type buoy(20) arranged from top to bottom, and the upper wall of an inner chamber of the sliding type buoy(20) is fixedly provided with a magnetic coil(21) which can up and down slide on the vertical slide rod(18) along the sliding type buoy(20); and the inside of the vertical slide rod(18) is provided with a blind hole, the inside of the blind hole is fixedly provided with a dry reed tube(22) and a leakage alarm signal line(23), and the dry reed tube(22) is connected with a leakage alarm control circuit through the leakage alarm signal line(23).
Description
Technical field
The present invention relates to a kind of direct-connected swing spider immersible impeller of motor.
Background technique
The diving impeller is widely used in the sewage treatment industry in the aeration tank, has plug-flow and stirs, prevents the sludge settling function, and it is the requisite pass of a sewage treatment cover button apparatus.Along with countries in the world are being popularized waste water control investment increasing and sewage treatment all over the world, this Equipment Market capacity is very big, and various countries producer is all at the product of making great efforts exploitation high technology, high competitive ability, to lead world market.
Because the diving impeller work under sewage, operating mode is complicated, and environment is abominable, existing product exist noise big, vibrate greatly defectives such as life-span weak point, energy consumption height.Particularly volume is big, weight is big, be unfavorable for promoting and laying, and cost is high.Cause the reason of this situation to be: mostly the impeller of diving under water in the market is cylindrical gears case reducing gear, connects also compactness inadequately with motor, and the centre that has also adds coupling, and the motive sealing link is more, and mechanical efficiency is low, and sealing effect is poor.In addition, the alert protection of the guarantor of leaking does not have reliable comprehensive the design yet, and water inlet can not in time be foreseen and protect in motor and the reducing gear.
Summary of the invention
The present invention a kind of direct-connected swing spider immersible impeller of motor is provided, it not only has, and volume is little, the high blocked sewage function of transmission efficiency is strong, good seal performance can be in time reported to the police reliably, and in light weight, long service life.
The present invention has adopted following technological scheme: a kind of direct-connected swing spider immersible impeller of motor; It comprises motor straight connection type cycloid star wheel transmission system, and motor straight connection type cycloid star wheel transmission system comprises motor, reducing gear and impeller, and the output shaft of reducing gear and impeller connect; The running of driven by motor reducing gear; The reducing gear impeller is rotated, and described reducing gear is the cycloid star wheel reducing gear, and motor directly connects with the cycloid star wheel reducing gear; On electric machine main shaft, be set with single mechanical end face seal; On the output shaft that the cycloid star wheel reducing gear is provided with, be set with double mechanical seal, block dirty multi-lip seal spare; Block the preceding sewage mouth that dirty multi-lip seal spare is arranged on output shaft, double mechanical seal is in the back grease chamber of output shaft; On motor, be provided with the leakage alarm protective system, the leakage alarm protective system comprises leak alarm and profit probe alarm, and leak alarm is arranged on motor rear bearing cover lower end, and profit probe alarm is arranged on motor front bearing retainer lower end; Described leak alarm is provided with vertical slide bar, is provided with nut and sliding floating drum from top to bottom at vertical slide bar, is fixed with magnetosphere at sliding floating drum inner chamber upper wall; Magnetosphere can be offered blind hole with sliding floating drum along the slippage up and down of vertical slide bar in vertical slide bar, the blind hole internal fixation is installed dry reed-pipe and leakage alarm signaling line; Dry reed-pipe is connected with the leakage alarm control circuit through the leakage alarm signaling line, if normal condition, sliding floating drum falls; Dry reed-pipe is often opened, if motor back cavity water inlet, water with sliding floating drum float, on move; Magnetosphere is near dry reed-pipe, and magnetic switch normally opened contact is closed in it, and circuit is connected; Send the water leakage alarm signal, and cut off main circuit power immediately, motor shuts down.
Described cycloid star wheel reducing gear comprises that eccentric bushing, pivoted arm double-eccentric shaft hold, cycloid star wheel, pin wheel housing, pinwheel, output shaft, bearing I and bearing I I, and eccentric bushing is set to the two eccentric bushings of 180 ° of symmetrical integrated types, and eccentric bushing is two eccentric directions and is mutually 180 °; The two eccentric bushings of symmetry integrated type are sleeved on the electric machine main shaft through standard key and are tightly linked with electric machine main shaft, and electric machine main shaft and eccentric bushing form the planet carrier pivoted arm of reduction gearing mechanism, and the flank profil of planet cycloid star-wheel is set to cycloid; Two identical cycloid star wheels are contained on two eccentric bushings, and two wheel location differ 180 °, the pivoted arm double-eccentric shaft is housed between eccentric bushing and the cycloid star wheel holds; The pivoted arm double-eccentric shaft holds and is 180 ° of eccentric symmetries and is installed on the eccentric bushing, and cycloid star wheel is sleeved on double-eccentric shaft and holds, and eccentric bushing, double-eccentric shaft hold and be bearing pair with cycloid star wheel and connect; The cycloid star wheel surface is evenly distributed with pin-and-hole, is inserted with pin in the pin-and-hole, is with roller on the pin; Pin is fixedly connected with output shaft, forms the small teeth number difference planet gear output mechanism, on the centre circle of gear pins circumference of pin wheel housing upper edge, is evenly distributed with gear pin; Gear pin is connected with pin wheel housing, on gear pin, is provided with pin gear sleeve, and gear pin and pin gear sleeve constitute pinwheel; In the cycloid star wheel outer rim is cycloid tooth mechanism; The number of teeth of pinwheel is greater than the number of teeth of cycloid tooth, and two cycloid star wheel flank profils mesh one by one, throw off with pinwheel under wobbler action, move in circles; Its engagement is the multiple tooth rolling pair state of symmetric type; Output shaft is bearing on bearing I and the bearing I I, and electric machine main shaft holds through 180 ° of eccentric bushings and pivoted arm double-eccentric shaft and drives cycloid star wheel and form planetary few tooth difference with pinwheel and turn round, but cycloid star wheel both the cast-over wheel axis do the circumference translational motion; Can do rotation motion around self axis again, the rotation motion of cycloid star wheel passes to output shaft by the small teeth number difference planet gear output mechanism and forms decelerate.Described to block dirty multi-lip seal spare be multi-lip seal spare, and its inner circumferential is many lips shape, the outside extending obliquely of lip muscle.
Described profit is popped one's head in, and alarm is horizontal to be arranged on motor front bearing retainer lower end, and passes bearing cap, is sealing state between profit probe alarm and the bearing cap, and profit probe alarm comprises sonde body; One of sonde body is flat hexagonal shape, and flat hexagonal end points to motor, and the other end is an elongate column, in sonde body, offers through hole; The through hole internal fixation is equipped with two probes and profit probe signal line, and the part of probe is positioned at outside the column end face of sonde body, profit probe signal line linking probe; Be connected with profit probe control circuit through profit probe signal line at probe, probe stretches in the reducing gear oil pocket, under the normal condition; Probe is immersed in the oil, if water inlet, two probes circuit under the effect of water is connected; Send the water leakage alarm signal, and cut off main circuit power immediately, motor shuts down.
The present invention has following beneficial effect: the present invention is provided with the cycloid star wheel reducing gear, it can realize directly connecting with motor, and the cycloid star wheel reducing gear has combined planetary pinion, the principle of poor, the cycloidal-pin wheel of tooth less, and eccentric bushing is symmetrically installed with bearing and cycloid star wheel outward successively; The three closely links, and under electric machine main shaft drives, constitutes planetary kinematic arrangement; Being distributed with gear pin around the cycloid star wheel, being equivalent to the center planetary gear wheel, is cycloid tooth mechanism in the cycloid star wheel outer rim; Be equivalent to planetary pinion gear with small teeth difference tooth, embody the cycloid wheel principle, cycloid tooth and gear pin are the secondary state of symmetrical multiple tooth engagement rolling; Embody the small teeth number difference planet gear working principle, can make delicate structure like this, reduce volume; Be convenient to promote and install, and can improve transmission efficiency, increase working life.The output shaft that is with single mechanical end face seal and cycloid star wheel reducing gear on the electric machine main shaft is provided with double mechanical seal and blocks dirty Sealing, and they constitute diving motive sealing system, the dynamic sealing performance in the time of can improving diving like this.Blocking dirty Sealing is multi-lip seal spare, and the lip muscle of Sealing is under the extruding of sewage and dirt, and many lips are held the deceleration output shaft tightly, are compaction, can improve the performance of interception dirt like this.The output shaft of cycloid star wheel reducing gear of the present invention is by the two bearings combination support, and two bearings are installed with rational distance, and exportable like this axle can bear two-way load, and can improve shock resistance.The front bearing retainer of motor is provided with profit probe alarm; The rear bearing cover lower end is provided with leak alarm, and profit probe alarm and leak alarm constitute the water leakage alarm protective system, and profit probe alarm is realized leak supervision to velocity-reducing chamber; Protect motor not intake simultaneously; Effectively protect motor and reducing gear, leak alarm is realized water leakage monitoring and protection to the motor back cavity, effectively avoids motor to be burnt.On pin, be provided with roller, can reduce the friction of pin like this, protect pin effectively.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the structure for amplifying schematic representation at C place among Fig. 1
Fig. 3 protects the structural representation of alert device for seepage of the present invention
Fig. 4 is the structural representation of profit probe alarm of the present invention
Fig. 5 is the structure for amplifying schematic representation at D place among Fig. 1
Fig. 6 is the dirty multi-lip seal spare structure for amplifying schematic representation that blocks at I place among Fig. 5
Fig. 7 is the structural representation of cycloid star wheel
Fig. 8 is the A-A sectional view of Fig. 5
Fig. 9 is the B-B sectional view of Fig. 5
Figure 10 is the structural representation of cycloid star wheel reducing gear of the present invention
Figure 11 is 180 ° of symmetrical eccentric bushing structural representations
Figure 12 is the left view of Figure 11
Embodiment
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 12, the present invention is a kind of direct-connected swing spider immersible impeller of motor, and it comprises motor straight connection type cycloid star wheel transmission system; Motor straight connection type cycloid star wheel transmission system comprises motor 1, reducing gear and impeller 2, and motor 1 has bearing I II28 and bearing I V29 to be supported on front bearing retainer 26 and the rear bearing cover 25, and finally is passed to power on the motor casing; Electric machine main shaft 4 stretches out front bearing retainer 26 outer output terminals as motor 1, on electric machine main shaft 4, is set with single mechanical end face seal 3 and transmission auxiliary bearing 30, and the output shaft 6 of reducing gear connects with impeller 2; Motor 1 drives the reducing gear running, and reducing gear impeller 2 is rotated, and reducing gear is the cycloid star wheel reducing gear; Motor 1 directly connects with the cycloid star wheel reducing gear, and the cycloid star wheel reducing gear combines planetary pinion, few poor, cycloid wheel structural principle of tooth, and it comprises, and eccentric bushing 9, pivoted arm double-eccentric shaft hold 10, cycloid star wheel 11, pin wheel housing 12, pinwheel, output shaft 6, bearing I 17 and bearing I I18; Transmission auxiliary bearing 30 external supports are in the output shaft 6 of cycloid star wheel reducing gear, and eccentric bushing 9 is set to the two eccentric bushings of 180 ° of symmetrical integrated types, and eccentric bushing 9 is two eccentric directions and is mutually 180 °; The two eccentric bushings of symmetry integrated type are sleeved on the electric machine main shaft 4 through standard key and are tightly linked with electric machine main shaft 4, and electric machine main shaft 4 and eccentric bushing 9 form the planet carrier pivoted arm of reduction gearing mechanisms, and the flank profil of planet cycloid star-wheel 11 is set to cycloid; Two identical cycloid star wheels 11 are arranged on two eccentric bushings 9, and two cycloid star wheels, 11 positions differ 180 °, between eccentric bushing 9 and the cycloid star wheel 11 the pivoted arm double-eccentric shaft are housed and hold 10; The pivoted arm double-eccentric shaft holds 10 and is 180 ° of eccentric symmetries and is installed on the eccentric bushing 9, and cycloid star wheel 11 is sleeved on double-eccentric shaft and holds on 10, eccentric bushing 9, double-eccentric shaft hold 10 and cycloid star wheel 11 be bearing pair and connect; Cycloid star wheel 11 surfaces are evenly distributed with pin-and-hole 33, are inserted with pin 13 in the pin-and-hole 33, are with roller 14 on the pin 13; Pin 13 is fixedly connected with output shaft 6; Form the small teeth number difference planet gear output mechanism, on pin wheel housing 12 upper edge centre circle of gear pins circumference, be evenly distributed with gear pin 15, it is equivalent to planetary central gear; Gear pin 15 is connected with pin wheel housing 12; On gear pin 15, be provided with pin gear sleeve 16, gear pin 15 constitutes pinwheel with pin gear sleeve 16, is cycloid tooth mechanism in cycloid star wheel 11 outer rims; Be equivalent to planetary pinion gear with small teeth difference tooth; Embody the cycloid wheel principle, the number of teeth of pinwheel embodies few tooth difference structure greater than the number of teeth of cycloid tooth; Two cycloid star wheels, 11 flank profils mesh one by one, throw off with pinwheel under wobbler action; Move in circles, its engagement is the multiple tooth rolling pair state of symmetric type, embodies the small teeth number difference planet gear principle.Output shaft 6 is bearing on bearing I 17 and the bearing I I18; Electric machine main shaft 4 holds drive cycloid star wheel 11 through 180 ° of eccentric bushings 9 and pivoted arm double-eccentric shaft and forms planetary few tooth difference running with pinwheel; But cycloid star wheel 11 both cast-over wheel axis is done the circumference translational motion; Can do rotation motion around self axis again, the rotation motion of cycloid star wheel passes to output shaft 6 by the small teeth number difference planet gear output mechanism and forms decelerate.On the output shaft 6 that the cycloid star wheel reducing gear is provided with, be set with double mechanical seal 7, block dirty multi-lip seal spare 8; Block the preceding sewage mouth that dirty multi-lip seal spare 8 is arranged on output shaft 6; Block dirty multi-lip seal spare 8 and be multi-lip seal spare; Its inner circumferential is many lips shape, the outside extending obliquely of lip muscle, and double mechanical seal 7 is in the back grease chamber of output shaft 6; On motor 1, be provided with the leakage alarm protective system, the leakage alarm protective system comprises leak alarm 31 and profit probe alarm 32, and leak alarm 31 is arranged on motor 1 rear bearing cover 25 lower ends, and leak alarm 31 is provided with vertical slide bar 18; Be provided with nut 19 and sliding floating drum 20 from top to bottom at vertical slide bar 18, be fixed with magnetosphere 21 at sliding floating drum 20 inner chamber upper walls, magnetosphere 21 can be with sliding floating drum 20 along the slippage about in the of 18 of vertical slide bar; In vertical slide bar 18, offer blind hole, the blind hole internal fixation is installed dry reed-pipe 22 and leakage alarm signaling line 23, and dry reed-pipe 22 is connected with the leakage alarm control circuit through leakage alarm signaling line 23; If normal condition, sliding floating drum 20 falls, and dry reed-pipe 22 is often opened; If motor 1 back cavity water inlet, water with sliding floating drum 20 float, on move, magnetosphere 21 is near dry reed-pipe 22; Magnetic switch normally opened contact is closed in it, and circuit is connected, and sends the water leakage alarm signal; And cutting off main circuit power immediately, motor 1 shuts down, and avoids motor to be burnt out effectively.Profit probe alarm 32 is horizontal to be arranged on motor 1 front bearing retainer 26 lower ends, and passes bearing cap, is sealing state between profit probe alarm 32 and the bearing cap; Profit probe alarm 32 comprises sonde body 24, and one of sonde body 24 is flat hexagonal shape, and flat hexagonal end points to motor 1; The other end is an elongate column, in sonde body 24, offers through hole, and the through hole internal fixation is equipped with two probes 27 and profit probe signal line 28; The part of probe 27 is positioned at outside the column end face of sonde body 24, and profit probe signal line 28 linking probes 27 are connected with profit probe control circuit through profit probe signal line 28 at probe 27; Probe 27 stretches in the reducing gear oil pocket, and under the normal condition, probe 27 is immersed in the oil; If water inlet, two probes 27 circuit under the effect of water is connected, send the water leakage alarm signal; And cutting off main circuit power immediately, motor 1 shuts down, and protects motor 1 and reducing gear effectively.
Claims (1)
1. direct-connected swing spider immersible impeller of motor; It comprises motor straight connection type cycloid star wheel transmission system, and motor straight connection type cycloid star wheel transmission system comprises motor (1), reducing gear and impeller (2), and the output shaft of reducing gear (6) connects with impeller (2); Motor (1) drives the reducing gear running; Reducing gear impeller (2) is rotated, and described reducing gear is the cycloid star wheel reducing gear, and motor (1) directly connects with the cycloid star wheel reducing gear; On electric machine main shaft (4), be set with single mechanical end face seal (3); On the output shaft (6) that the cycloid star wheel reducing gear is provided with, be set with double mechanical seal (7), block dirty multi-lip seal spare (8); Block the preceding sewage mouth that dirty multi-lip seal spare (8) is arranged on output shaft (6), double mechanical seal (7) is in the back grease chamber of output shaft (6); On motor (1), be provided with the leakage alarm protective system, the leakage alarm protective system comprises leak alarm (31) and profit probe alarm (32), and leak alarm (31) is arranged on motor (1) rear bearing cover (25) lower end; Profit probe alarm (32) is arranged on motor (1) front bearing retainer (26) lower end, it is characterized in that described leak alarm (31) is provided with vertical slide bar (18), is provided with nut (19) and sliding floating drum (20) from top to bottom at vertical slide bar (18); Be fixed with magnetosphere (21) at sliding floating drum (20) inner chamber upper wall, magnetosphere (21) can be offered blind hole with sliding floating drum (20) along vertical slide bar (18) slippage up and down in vertical slide bar (18); The blind hole internal fixation is installed dry reed-pipe (22) and leakage alarm signaling line (23), and dry reed-pipe (22) is connected with the leakage alarm control circuit through leakage alarm signaling line (23), if normal condition; Sliding floating drum (20) falls, and dry reed-pipe (22) is often opened, if the water inlet of motor (1) back cavity; Water with sliding floating drum (20) float, on move, magnetosphere (21) is near dry reed-pipe (22), magnetic switch normally opened contact is closed in it; Circuit is connected; Send the water leakage alarm signal, and cut off main circuit power immediately, motor (1) shuts down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101698585A CN101456632B (en) | 2007-03-23 | 2007-03-23 | Motor peering type cycloid star wheel diving flow impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101698585A CN101456632B (en) | 2007-03-23 | 2007-03-23 | Motor peering type cycloid star wheel diving flow impeller |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710021032XA Division CN101028581B (en) | 2007-03-23 | 2007-03-23 | Direct-connected swing spider immersible impeller of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101456632A CN101456632A (en) | 2009-06-17 |
| CN101456632B true CN101456632B (en) | 2012-04-25 |
Family
ID=40767798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101698585A Expired - Fee Related CN101456632B (en) | 2007-03-23 | 2007-03-23 | Motor peering type cycloid star wheel diving flow impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101456632B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017058228A1 (en) * | 2015-10-01 | 2017-04-06 | National Oilwell Varco, L.P. | Radial magnetic cycloid gear assemblies, and related systems and methods |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201915013D0 (en) * | 2019-10-17 | 2019-12-04 | Genesis Robotics And Motion Tech Lp | Actuator arrangement |
| CN112827381B (en) * | 2021-01-08 | 2022-04-08 | 贵州赤天化纸业股份有限公司 | Sludge stirring machine for papermaking |
-
2007
- 2007-03-23 CN CN2008101698585A patent/CN101456632B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017058228A1 (en) * | 2015-10-01 | 2017-04-06 | National Oilwell Varco, L.P. | Radial magnetic cycloid gear assemblies, and related systems and methods |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101456632A (en) | 2009-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101028581B (en) | Direct-connected swing spider immersible impeller of motor | |
| CN101574982B (en) | Pool cleaning vehicle having internal drive propulsion | |
| CN201050579Y (en) | Enclosed type planet gear reducer | |
| CN101456632B (en) | Motor peering type cycloid star wheel diving flow impeller | |
| CN108978837B (en) | Multi-coal-bed reservoir pressure-discharging drainage connecting device | |
| CN101456631B (en) | Motor peering type cycloid star wheel diving flow impeller | |
| CN201074202Y (en) | Motor direct-connected cycloidal star wheel submerged propeller | |
| CN201599480U (en) | Linkage transmission device for part of revolving valves | |
| CN201053475Y (en) | Three-crank planet cycloidal needle wheel reducer | |
| CN212657187U (en) | RV reducer | |
| CN201502256U (en) | Speed reducer for automatic swing door | |
| CN101456633A (en) | Motor peering type cycloid star wheel diving flow impeller | |
| CN111847696A (en) | Energy-saving intelligent adsorption device and method for oil stains on water surface of river basin | |
| CN110131520A (en) | A kind of robot body's structure suitable for non-full waterpipe | |
| CN215508199U (en) | Pipeline cleaning device that crawls | |
| CN201925420U (en) | Two-stage planet-gear speed reducer | |
| CN113983146A (en) | Special gear speed reducer for plug flow machine | |
| CN211231512U (en) | Gear reducer for backpack earth boring machine | |
| CN110195585B (en) | Magnet type double-balance pulse generating device | |
| CN207634616U (en) | A kind of sanitation-grade stirring dedicated deceleration transmission mechanism | |
| CN217609023U (en) | Driving structure of aerator, waterwheel type aerator and impeller type aerator | |
| CN201197908Y (en) | Driving device of central drive suction dredge | |
| CN216078222U (en) | Speed reducing motor | |
| CN216942581U (en) | External gear pump type rear axle assembly | |
| CN219673190U (en) | Cartridge cycloidal pin gear speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU YATAI WATER TREATMENT ENGINEERING COMPANY Free format text: FORMER OWNER: JIANGSU YATAI PUMP CO., LTD. Effective date: 20111221 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20111221 Address after: 225400 Chengdong Industrial Zone, Jiangsu City, Taixing Province Applicant after: Jiangsu Yatai Water Treatment Engineering Co., Ltd. Address before: 225400 No. 64 East Daqing Road, Taixing Town, Jiangsu, Taixing Applicant before: Jiangsu Yatai Pump Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151021 Address after: 239300 Anhui city of Chuzhou province Tianchang Economic Development Zone, ten road and road intersection Patentee after: ASIA PACIFIC WATER TREATMENT (TIANCHANG) CO., LTD. Address before: 225400 Chengdong Industrial Zone, Jiangsu City, Taixing Province Patentee before: Jiangsu Yatai Water Treatment Engineering Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20170323 |