CN101456631B - Motor peering type cycloid star wheel diving flow impeller - Google Patents

Motor peering type cycloid star wheel diving flow impeller Download PDF

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Publication number
CN101456631B
CN101456631B CN2008101698570A CN200810169857A CN101456631B CN 101456631 B CN101456631 B CN 101456631B CN 2008101698570 A CN2008101698570 A CN 2008101698570A CN 200810169857 A CN200810169857 A CN 200810169857A CN 101456631 B CN101456631 B CN 101456631B
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CN
China
Prior art keywords
probe
motor
star wheel
retarding mechanism
oil
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Expired - Fee Related
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CN2008101698570A
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Chinese (zh)
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CN101456631A (en
Inventor
梅红霖
丁九光
闾宏
卜新星
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JIANGSU YATAI PUMP CO Ltd
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JIANGSU YATAI PUMP CO Ltd
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Publication of CN101456631A publication Critical patent/CN101456631A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • 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. A leakage alarming protection system comprises a leakage alarm device(31) and an oil-water probe alarm device(32); the oil-water probe alarm device(32) is horizontally arranged at the lower end of a front bearing cap(26) of the motor(1) and passes through the bearing cap; the oil-water probe alarm device(32) and the bearing cap are mutually sealed, one end of a probe body(24) of the oil-water probe alarm device(32) is flat-hexangular, the flat-hexangular end points to the motor(1), and the other end of the probe body(24) is thin column-shaped; and the inside of a through hole of the probe body(24) is fixedly provided with two probe needles(27) and an oil-water probe signal line(28), one part of each probe needle(27) is positioned outside the column-shaped end surface of the probe body(24), the oil-water probe signal line(28) is connected with the probe needles(27), and the probe needles(27) are connected with an oil-water probe control circuit through the oil-water probe signal line(28), and the probe needles(27) extend into an oil chamber of a reducing mechanism.

Description

A kind of direct-connected swing spider immersible impeller of motor
Technical field
The present invention relates to a kind of direct-connected swing spider immersible impeller of motor.
Background technology
The diving impeller is widely used in the WWT industry in the aeration tank, has plug-flow and stirs, prevents the sludge settling function, and it is the requisite pass of a WWT cover button apparatus.Along with countries in the world are being popularized waste water control investment increasing and WWT 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 hi-tech, high competitive power, to lead world market.
Because the diving impeller work under sewage, operating mode is complicated, and environment is abominable, currently available products 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 gear case retarding mechanism, connects also compactness inadequately with motor, and the centre that has also adds shaft coupling, and the dynamic seal link is more, and mechanical efficiency is low, and sealing effectiveness 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 retarding mechanism.
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 technical scheme: a kind of direct-connected swing spider immersible impeller of motor; It comprises motor associated mode cycloid star wheel transmission system and leakage alarm securing system, and motor associated mode cycloid star wheel transmission system comprises motor, retarding mechanism and impeller, and the output shaft of retarding mechanism and impeller connect; The running of driven by motor retarding mechanism; The retarding mechanism impeller is rotated, and described retarding mechanism is the cycloid star wheel retarding mechanism, and motor directly connects with the cycloid star wheel retarding mechanism; On electric machine main shaft, be set with single mechanical end face seal; On the output shaft that the cycloid star wheel retarding mechanism 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 securing system, the leakage alarm securing system comprises leak alarm and profit probe warning howler, and leak alarm is arranged on motor rear bearing cover lower end; Profit probe warning howler is arranged on motor front bearing retainer lower end, and described profit is popped one's head in, and warning howler is horizontal to be arranged on motor front bearing retainer lower end, and passes step cover; Between profit probe warning howler and the step cover is sealed state, and profit probe warning howler comprises sonde body, and one of sonde body is flat hexagonal shape; Flat hexagonal end points to motor, and the other end is an elongate column, in sonde body, offers through hole; The through hole internal fixing 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 pilot circuit through profit probe signal line at probe, probe stretches in the retarding mechanism oil pocket, under the normal circumstances; 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.
Described cycloid star wheel retarding mechanism 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 monobloc(k)types, and eccentric bushing is two eccentric directions and is mutually 180 °; The two eccentric bushings of symmetry monobloc(k)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 eccentric action, move in circles; Its engagement is the multiple tooth rolling pair state of symmetrical expression; 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 movement; Can do turning motion around self axis again, the turning 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 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 fixing is installed dry-reed tube and leakage alarm SW; Dry-reed tube is connected with the leakage alarm pilot circuit through the leakage alarm SW, if normal circumstances, sliding floating drum falls; Dry-reed tube is often opened, if motor back cavity water inlet, water with sliding floating drum float, on move; Magnetosphere is near dry-reed tube, 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.
The present invention has following beneficial effect: the present invention is provided with the cycloid star wheel retarding mechanism, it can realize directly connecting with motor, and the cycloid star wheel retarding mechanism has combined sun and planet gear, 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 sun and planet gear gear with small teeth difference tooth, embody the Cycloidal 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 principle of work, can make delicate structure like this, reduce volume; Be convenient to promote and install, and can improve transmission efficiency, increase work-ing life.The output shaft that is with single mechanical end face seal and cycloid star wheel retarding mechanism on the electric machine main shaft is provided with double mechanical seal and blocks dirty sealing member, and they constitute diving dynamic seal system, the dynamic sealing performance in the time of can improving diving like this.Blocking dirty sealing member is multi-lip seal spare, and the lip muscle of sealing member is under the extruding of sewage and dirt, and many lips are held the deceleration output shaft tightly, are compact state, can improve the performance of interception dirt like this.The output shaft of cycloid star wheel retarding mechanism 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 warning howler; The rear bearing cover lower end is provided with leak alarm, and profit probe warning howler and leak alarm constitute the water leakage alarm securing system, and profit probe warning howler is realized leak supervision to velocity-reducing chamber; Protect motor not intake simultaneously; Effectively protect motor and retarding mechanism, 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 synoptic diagram 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 warning howler of the present invention
Fig. 5 is the structure for amplifying synoptic diagram at D place among Fig. 1
Fig. 6 is the dirty multi-lip seal spare structure for amplifying synoptic diagram 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 retarding mechanism 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 associated mode cycloid star wheel transmission system and leakage alarm securing system; Motor associated mode cycloid star wheel transmission system comprises motor 1, retarding mechanism 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 retarding mechanism connects with impeller 2; Motor 1 drives the retarding mechanism running, and retarding mechanism impeller 2 is rotated, and retarding mechanism is the cycloid star wheel retarding mechanism; Motor 1 directly connects with the cycloid star wheel retarding mechanism, and the cycloid star wheel retarding mechanism combines sun and planet gear, few poor, Cycloidal 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 retarding mechanism, and eccentric bushing 9 is set to the two eccentric bushings of 180 ° of symmetrical monobloc(k)types, and eccentric bushing 9 is two eccentric directions and is mutually 180 °; The two eccentric bushings of symmetry monobloc(k)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 middle wheel; 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 sun and planet gear gear with small teeth difference tooth; Embody the Cycloidal 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 eccentric action; Move in circles, its engagement is the multiple tooth rolling pair state of symmetrical expression, 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 movement; Can do turning motion around self axis again, the turning 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 retarding mechanism 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 securing system, the leakage alarm securing system comprises leak alarm 31 and profit probe warning howler 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 fixing is installed dry-reed tube 22 and leakage alarm SW 23, and dry-reed tube 22 is connected with the leakage alarm pilot circuit through leakage alarm SW 23; If normal circumstances, sliding floating drum 20 falls, and dry-reed tube 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 tube 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 warning howler 32 is horizontal to be arranged on motor 1 front bearing retainer 26 lower ends, and passes step cover, is sealed state between profit probe warning howler 32 and the step cover; Profit probe warning howler 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 fixing 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 pilot circuit through profit probe signal line 28 at probe 27; Probe 27 stretches in the retarding mechanism oil pocket, and under the normal circumstances, 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 retarding mechanism effectively.

Claims (1)

1. direct-connected swing spider immersible impeller of motor; It comprises motor associated mode cycloid star wheel transmission system and leakage alarm securing system, and motor associated mode cycloid star wheel transmission system comprises motor (1), retarding mechanism and impeller (2), and the output shaft of retarding mechanism (6) connects with impeller (2); Motor (1) drives the retarding mechanism running; Retarding mechanism impeller (2) is rotated, and described retarding mechanism is the cycloid star wheel retarding mechanism, and motor (1) directly connects with the cycloid star wheel retarding mechanism; 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 retarding mechanism 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); The leakage alarm securing system is arranged on the motor (1), and the leakage alarm securing system comprises leak alarm (31) and profit probe warning howler (32), and leak alarm (31) is arranged on motor (1) rear bearing cover (25) lower end; Profit probe warning howler (32) is arranged on motor (1) front bearing retainer (26) lower end, and the described profit probe warning howler of its characteristic (32) is horizontal to be arranged on motor (1) front bearing retainer (26) lower end, and passes step cover; Between profit probe warning howler (32) and the step cover is sealed state, and profit probe warning howler (32) comprises sonde body (24), and one of sonde body (24) is flat hexagonal shape; Flat hexagonal end points to motor (1), and the other end is an elongate column, in sonde body (24), offers through hole; The through hole internal fixing is equipped with two probes (27) and profit probe signal line (28), and the part of probe (27) is positioned at outside the column end face of sonde body (24), profit probe signal line (28) linking probe (27); Be connected with profit probe pilot circuit through profit probe signal line (28) at probe (27), probe (27) stretches in the retarding mechanism oil pocket, under the normal circumstances; 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.
CN2008101698570A 2007-03-23 2007-03-23 Motor peering type cycloid star wheel diving flow impeller Expired - Fee Related CN101456631B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008101698570A CN101456631B (en) 2007-03-23 2007-03-23 Motor peering type cycloid star wheel diving flow impeller

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Application Number Priority Date Filing Date Title
CN2008101698570A CN101456631B (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

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CN101456631A CN101456631A (en) 2009-06-17
CN101456631B true CN101456631B (en) 2012-05-30

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956725B (en) * 2010-07-28 2012-07-25 江苏亚太水处理工程有限公司 Submersible flow driving device of glass steel impeller
CN104645847A (en) * 2013-11-25 2015-05-27 江苏汇通环保设备有限公司 Submersible mixer
CN104649406A (en) * 2013-11-25 2015-05-27 江苏汇通环保设备有限公司 Submersible water impeller

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2187399A1 (en) * 1972-06-08 1974-01-18 Richards Of Rockford Inc
CN201074202Y (en) * 2007-03-23 2008-06-18 江苏亚太泵阀有限公司 Motor direct-connected cycloidal star wheel submerged propeller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2187399A1 (en) * 1972-06-08 1974-01-18 Richards Of Rockford Inc
CN201074202Y (en) * 2007-03-23 2008-06-18 江苏亚太泵阀有限公司 Motor direct-connected cycloidal star wheel submerged propeller

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