CN101139065A - Load-off wheeled type alternating current permanent magnetism synchronous traction machine - Google Patents

Load-off wheeled type alternating current permanent magnetism synchronous traction machine Download PDF

Info

Publication number
CN101139065A
CN101139065A CNA2007100128289A CN200710012828A CN101139065A CN 101139065 A CN101139065 A CN 101139065A CN A2007100128289 A CNA2007100128289 A CN A2007100128289A CN 200710012828 A CN200710012828 A CN 200710012828A CN 101139065 A CN101139065 A CN 101139065A
Authority
CN
China
Prior art keywords
traction
towing machine
described
current permanent
end cap
Prior art date
Application number
CNA2007100128289A
Other languages
Chinese (zh)
Inventor
孟繁贵
Original Assignee
孟繁贵
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 孟繁贵 filed Critical 孟繁贵
Priority to CNA2007100128289A priority Critical patent/CN101139065A/en
Publication of CN101139065A publication Critical patent/CN101139065A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04Driving gear ; Details thereof, e.g. seals
    • B66B11/043Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0438Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with a gearless driving, e.g. integrated sheave, drum or winch in the stator or rotor of the cage motor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065Roping
    • B66B11/007Roping for counterweightless elevators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065Roping
    • B66B11/008Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave

Abstract

An unloading wheeled alternate current permanent magnet synchronous tractor comprises a tractor base as well as an alternate current permanent magnet synchronous motor with an encoding device, a traction wheel, a drum-typed or plate-typed clasping brake system and a turning gear, and the alternate current permanent magnet synchronous motor with an encoding device, the traction wheel, the drum-typed or plate-typed clasping brake system and the turning gear are all arranged on the tractor base. The technical proposal comprises that the alternate current permanent magnet synchronous motor is fixed on the tractor base through a motor end cover, a spigot end of the traction wheel is provided with an end cover with an inner splined sleeve, the inner splined sleeve of the end cover is engaged with a spline on a shaft end of the motor, a brake disc of the clasping brake system is fixed on the side of the traction wheel, the brake disc an the traction wheel are put together on a hollow traction shaft through an inner embedded bearing, the hollow traction shaft is fixed with the tractor base, and a clasping brake coil and a brake body of the clasping system are put together on the tractor base. The structural design of the tractor is reasonable. Compared with similar product, the shaft diameter of a motor shaft can be reduced so that the whole machine is more compact, with small size and light weight. Safety and reliability and stability of operation can be improved, noise of the tractor is reduced significantly and application scope is expanded.

Description

Load-off wheeled type alternating current permanent magnetism synchronous traction machine

Technical field

The present invention relates to the alternating current permanent magnetism synchronous traction machine that a kind of towed elevator is used, particularly a kind of load-off wheeled type alternating current permanent magnetism synchronous traction machine.It is applicable to that passenger elevator, sightseeing elevator, Medical Service Elevator, goods with vertical lifting equipment such as elevators, also are applicable on the transportation devices such as escalator, moving sidewalk.

Background technology

At present, the traditional traction elevator that in the hoistway of high-rise, is provided with, generally hang car, counterweight, balancing chain (or balance rope) etc. by traction sheave and track adjusting wheel haulage cable and form the suspension driving system by the actuating device towing machine, the friction force that utilizes traction sheave and steel rope to produce provides enough traction propulsive effort direct drive cars to move up and down along hoistway.When traction sheave is subjected to tractive force, rotor axis of electric, machine shaft also can be subjected to moment of flexure, make rotating shaft and shell produce flexural deformation easily, also be easy to generate vibration and low frequency noise, the also easy premature wear of motor bearings, the overall operation performance descends, even influences the service life of towing machine and elevator.Therefore, the permanent magnetic synchronous traction machine that uses on the existing traction elevator is when design, and traction axle (motor shaft) force-bearing situation of towing machine must be considered following two factors simultaneously: the radially bearing capacity of the suspension driving system that the suspension car that (1) is considered to provide enough, counterweight etc. are formed; (2) consider to provide enough upper and lower mobile torques of whole suspension that makes.Designed towing machine main shaft (being motor shaft) diameter is increased, the volume of towing machine and material consumption all will be strengthened, increase manufacturing cost.

Summary of the invention

The purpose of this invention is to provide a kind of load-off wheeled type alternating current permanent magnetism synchronous traction machine, it has solved effectively, and present permanent magnetic synchronous traction machine traction shaft diameter is big, the more problem of material consumption, its reasonable in design, compared with similar products, its motor shaft diameter of axle can reduce, and makes complete machine compact more, and volume is little, in light weight, improve safe and reliable, the stationarity of operation, significantly reduce the noise of towing machine and enlarge its Applicable scope.

The object of the present invention is achieved like this: this machine comprises the towing machine support and assembles the AC permanent magnet synchronous motor that has coder on it, traction sheave, drum-type or disc type band-type brake system, turning gear, its technical essential is: described AC permanent magnet synchronous motor is fixed on the described towing machine support by electric motor end cap, the seam end of described traction sheave is provided with the end cap of inner spline housing, the inner spline housing of end cap is meshed with the spline of motor shaft end, the brake disc of band-type brake system is fixed on the side of traction sheave, and be contained on the same hollow traction axle by embedded bearing set with traction sheave, hollow traction axle and described towing machine support are fixed together, and the band-type brake coil of band-type brake system and lock body are assembled on the described towing machine support.

The electric motor end cap of described AC permanent magnet synchronous motor and described towing machine support are integrated, and hollow traction axle and described electric motor end cap are fixed together, and the band-type brake coil and the lock body of band-type brake system are assembled on the described electric motor end cap.

Described traction sheave and brake disc adopt and divide body structure or integrative-structure.

Described hollow traction axle and towing machine support adopt and divide body structure or integrative-structure.

Described hollow traction axle and electric motor end cap adopt and divide body structure or integrative-structure.

Because the motor shaft of AC permanent magnet synchronous motor of the present invention is meshed with the end cap that has inner spline housing of the seam end setting of traction sheave by the spline of its axle head, the brake disc of band-type brake system is fixed on the side of traction sheave, and be contained on the same hollow traction axle by embedded bearing set with traction sheave, so its reasonable in design, the torque that produces behind the electrical power of this towing machine, motor shaft by splined is delivered on the traction sheave, and traction sheave rotates by steel rope the upper and lower mobile enough torques that provides of lift car are provided; And traction sheave is contained in by embedded bearing set on the hollow traction axle that is fixed in the towing machine support, so the radial weight that traction sheave bears is directly delivered on the towing machine support, and does not pass to motor shaft.The motor shaft of this load-off wheeled type structure mainly bears torque, does not bear moment of flexure.Therefore, it has solved effectively, and present permanent magnetic synchronous traction machine traction shaft diameter is big, the more problem of material consumption, compared with similar products, its motor shaft diameter of axle can reduce, make complete machine compact more, volume is little, in light weight, improves safe and reliable, the stationarity of operation, significantly reduces the noise of towing machine.This towing machine can be widely used in passenger elevator, sightseeing elevator, Medical Service Elevator, the goods towed elevator with towing machine traction sheave direct drives such as elevators.Also can be used on the transportation devices such as escalator, moving sidewalk.Particularly this kind towing machine coupling is used on indirect-drive towed elevator, so can significantly improve the running quality of this kind towed elevator, can significantly enlarge its Applicable scope.

Description of drawings

Below in conjunction with accompanying drawing the present invention is further described.

Fig. 1 is a kind of I type structural representation of the present invention.

Fig. 2 is that the A of Fig. 1 is to view.

Fig. 3 is a kind of II type structural representation of the present invention.

Fig. 4 is that the B of Fig. 3 is to view.

Fig. 5 is a kind of traction sheave single wrap structural representation of the present invention in the direct drive elevator.

Fig. 6 is a kind of traction sheave compound-wound structural representation of the present invention in the direct drive elevator.

Fig. 7,8,9 is respectively that the present invention is at the traction sheave single wrap structural representation that drives indirectly in the elevator.

Figure 10,11,12 is respectively that the present invention is at the traction sheave compound-wound structural representation that drives indirectly in the elevator.

Sequence number explanation among the figure: 1 traction sheave, 2 bearings, 3 back-up rings, 4 end caps, 5 cover of dusts, 6 splines, 7 hollow traction axles, 8 brake discs, 9 band-type brake systems, 10 miniature gearss, 11 jiggering bars, 12 supporting bases, 13 handwheels, 14 AC permanent magnet synchronous motor, 15 coders; Movable pulley, 28 pit fixed pulleys, 29 wire rope fixing devices and base, 30 steel wire rope stretching devices and support girder steel under movable pulley, 27 counterweights, 31 drive steel ropes on 16 motor shafts, 17 electric motor end caps, 18 towing machine supports, 19 cars, 20 towing machines, 21 track adjusting wheels, 22 support girder steels, 23 traction steel-cables, 24 counterweights, 25 control system, 26 counterweights; Fixed pulley, 34 after-combustion fixed pulleys on 32 times fixed pulleys, 33.

The specific embodiment

Describe concrete structure of the present invention in detail according to Fig. 1-12.This machine can (AC permanent magnet synchronous motor 14 be split-type structural with towing machine support 18 with being designed to I type structure according to actual needs, shown in Fig. 1-2) or II type structure (AC permanent magnet synchronous motor 14 is an integral structure with towing machine support 18, as shown in Figure 3-4).Wherein the load-off wheeled type alternating current permanent magnetism synchronous traction machine of I type structure comprises towing machine support 18 and assembles the AC permanent magnet synchronous motor that has coder 15 14 on it, hollow traction axle 7, traction sheave 1, drum-type or parts such as disc type band-type brake system 9, turning gear.Wherein the specification of AC permanent magnet synchronous motor 14, drum-type or disc type band-type brake system 9, turning gear etc., shape are determined by designing requirement.The electric motor end cap 17 and the electric machine casing of AC permanent magnet synchronous motor 14 ends is processed into the integral structure of integral type, and this AC permanent magnet synchronous motor 14 is fixed on the towing machine support 18 by electric motor end cap 17 and binding bolt.The seam end of traction sheave 1 is provided with the end cap 4 of inner spline housing, and the inner spline housing of end cap 4 is meshed with the spline of motor shaft 16 ends, and the transmission of power that motor shaft 16 can be exported is to traction sheave 1.The brake disc 8 of band-type brake system 9 is fixed on the side of traction sheave 1, and is assembled on the same hollow traction axle 7 by embedded bearing 2 with traction sheave 1, and traction sheave 1 is supported on the hollow traction axle 7 fully.The outer ring of bearing 2 utilizes back-up ring 3 and tightening screw to carry out axial location on hollow traction axle 7, and the inner ring of bearing 2 carries out axial location by the retaining platform of end cap 4.Traction sheave 1 can adopt aforesaid minute body structure with brake disc 8, is fixed together with binding bolt again.Also can adopt integrative-structure, directly traction sheave 1 and brake disc 8 are processed into integral body.Hollow traction axle 1 can adopt the branch body structure with towing machine support 18, and hollow traction axle 7 utilizes binding bolt to be fixed together with towing machine support 18.Also can adopt integrative-structure, directly hollow traction axle 7 is processed into integral body with towing machine support 18.The band-type brake coil of band-type brake system 9 and lock body (not shown) are assembled on the towing machine support 18.Turning gear adopts conventional structure, comprises the jiggering bar 11 that has miniature gears 10 and handwheel 13.Jiggering bar 11 is assembled by supporting base on the AC permanent magnet synchronous motor 14 12 and towing machine support 18, and jiggering bar 11 is moved along its axis, finish miniature gears 10 and the internally toothed annulus engagement of brake disc 8 or the action that breaks away from, so that when the towing machine circuit is cut off, realize that hands off cooperates manual jiggering.

The basic structure of the load-off wheeled type alternating current permanent magnetism synchronous traction machine of II type structure is identical with I type structure major part, just the electric motor end cap 17 of AC permanent magnet synchronous motor 14 is integrated with towing machine support 18, hollow traction axle 7 can adopt the branch body structure with electric motor end cap 17, is fixed together with binding bolt again.Also can adopt integrative-structure, directly hollow traction axle 7 is processed into integral body with electric motor end cap 17.The band-type brake coil and the lock body of band-type brake system are assembled on the electric motor end cap 17.

In the concrete use of elevator, towing machine 20 of the present invention can be arranged in top, below or a side of hoistway, generally speaking, all is arranged in the top of hoistway.

Now the top that is arranged in hoistway with towing machine is an example, and specific implementation process of the present invention is described.Under the situation above towing machine 20 is arranged in hoistway, towing machine 20 is installed on the support girder steel 22, utilizes support girder steel 22 supporting towing machines 20.Hanging traction steel-cable 23 on the traction sheave 1 of towing machine 20, an end of steel rope 23 is to hang car 19 and certain load and trailing cable, and the other end is hanging counterweight 24.Simultaneously, an end of the bottom stable equilibrium chain (rope) of car 19, the other end of the bottom stable equilibrium chain (rope) of counterweight 24.Like this, balancing chain (rope) is draped.

Towing machine 20 is in off working state, and band-type brake system 9 provides Clamping force that brake disc 8 and traction sheave 1 are remained static.The traction sheave 1 of towing machine 20 bears the radially bearing capacity from suspension at this moment, and brake disc 8 bears band-type brake system 9 and makes its static Clamping force.Band-type brake system 9, traction sheave 1, brake disc 8 are delivered to bearing 2, hollow traction axle 7 with power, finally are delivered on the towing machine support 18.At this moment, hollow traction axle 7 strained conditiones are to bear moment of flexure, and motor shaft 16 is bearing load not.

Towing machine 20 is in normal working, and 9 energisings of band-type brake system are opened, and motor-driven traction sheave 1 rotates, and the suspension of elevator is upper and lower to be moved, and the traction sheave 1 of towing machine 20 bears from the radially bearing capacity of suspension and transports the upper and lower mobile torque of load.Above-mentioned radially bearing capacity finally is delivered on the towing machine support 18 by traction sheave 1, bearing 2, hollow traction axle 7; The above-mentioned load of transporting is that the upper and lower mobile torque of suspension finally is delivered on the motor shaft 16 by traction sheave 1, end cap 4.At this moment, hollow traction axle 7 strained conditiones are to bear moment of flexure, and the strained condition of motor shaft 16 is to bear torque.

Towing machine 20 is at emergency relief (jiggering) state, and towing machine 20 circuit are cut off, and hands off cooperates manual jiggering, and the elevator suspension system is upper and lower to be moved, and the traction sheave 1 of towing machine .20 bears the radially bearing capacity from suspension.Handwheel 13, brake disc 8 bear and transport the upper and lower mobile torque of load.Above-mentioned radially bearing capacity finally is delivered on the towing machine support 18 by traction sheave 1, bearing 2, hollow traction axle 7; The upper and lower mobile torque of suspension finally is delivered on the handwheel 13 by traction sheave 1, brake disc 8, miniature gears 10, jiggering bar 11.At this moment, hollow traction axle 7 bears moment of flexure, and motor shaft 16 is bearing load not, and handwheel 13 bears torque.

Shown in Fig. 5-12, according to actual operating needs, towing machine 20 can mate use on the direct drive towed elevator, also can mate use on my design-calculated " indirect-drive towed elevator ", and the traction sheave of towing machine can be that single wrap also can be a compound-wound.

In the drive configuration of direct drive towed elevator, for the single wrap structure, as shown in Figure 5, traction sheave 1, the track adjusting wheel 21 of walking around the towing machine 20 on the fixing support girder steel 22 of the traction steel-cable 23 on the car 19 directly fixedly is on the counterweight 24 that car 19 is complementary.

For the compound-wound structure, as shown in Figure 6, traction steel-cable 23 on the car 19 is walked around traction sheave 1, the track adjusting wheel 21 of the towing machine 20 that is fixed on the support girder steel 22, walks around traction sheave 1, track adjusting wheel 21 back fixing again on the counterweight 24 that car 19 is complementary again.

In the drive configuration of indirect-drive towed elevator, for the single wrap structure, shown in Fig. 7,8,9.Among Fig. 7,8 embodiment, walk around an end of the driving steel rope 31 of towing machine 20 electric running wheels 1, be fixed on steel wire rope stretching device and the support girder steel 30 through movable pulley 26 on the counterweight of counterweight 24; Drive the other end of steel rope 31, be fixed on wire rope fixing device and the base 29 through movable pulley 27 under the counterweight of pit fixed pulley 28 and counterweight 24.Among Fig. 9 embodiment, an end of walking around the driving steel rope 31 of towing machine traction sheave 20 is connected with steel wire rope stretching device and support girder steel 30 with last fixed pulley 33 on being fixed on steel wire rope stretching device and support girder steel 30 through driving movable pulley 26 on the counterweight of counterweight 24, drive the other end of steel rope 31, movable pulley 27 and following fixed pulley 32 are fixed on the wire rope fixing device and base 29 of hoistway bottom under pit fixed pulley 28 and counterweight.

For the compound-wound structure, shown in Figure 10,11,12, among Figure 10,11 embodiment, walk around the end of driving steel rope 31 of the traction sheave 1 of towing machine 20, on the counterweight of counterweight 24, drive movable pulley 26, be fixed on steel wire rope stretching device and the support girder steel 30, drive the other end of steel rope 31, walking around after-combustion fixed pulley 34, walk around traction sheave 1 again, is that movable pulley 27 is fixed on wire rope fixing device and the base 29 under the counterweight of pulley 28 and counterweight 24 through pit.Among Figure 12 embodiment, walk around the other end of driving steel rope 31 of the traction sheave 1 of towing machine 20, through driving movable pulley 26 and the fixed pulley 33 that is fixed on steel wire rope stretching device and the support girder steel 30 on the counterweight of counterweight 24, be connected with steel wire rope stretching device and support girder steel 30, drive the other end of steel rope 31, walk around after-combustion fixed pulley 34, walk around traction sheave 1 again, be fixed on wire rope fixing device and the base 29 through movable pulley 27 under the counterweight of pit fixed pulley 28 and counterweight 24.

Claims (5)

1. load-off wheeled type alternating current permanent magnetism synchronous traction machine, comprise the towing machine support and assemble the AC permanent magnet synchronous motor that has coder on it, traction sheave, drum-type or disc type band-type brake system, turning gear, it is characterized in that: described AC permanent magnet synchronous motor is fixed on the described towing machine support by electric motor end cap, the seam end of described traction sheave is provided with the end cap of inner spline housing, the inner spline housing of end cap is meshed with the spline of motor shaft end, the brake disc of band-type brake system is fixed on the side of traction sheave, and be contained on the same hollow traction axle by embedded bearing set with traction sheave, hollow traction axle and described towing machine support are fixed together, and the band-type brake coil of band-type brake system and lock body are assembled on the described towing machine support.
2. load-off wheeled type alternating current permanent magnetism synchronous traction machine according to claim 1, it is characterized in that: the electric motor end cap of described AC permanent magnet synchronous motor and described towing machine support are integrated, hollow traction axle and described electric motor end cap are fixed together, and the band-type brake coil and the lock body of band-type brake system are assembled on the described electric motor end cap.
3. load-off wheeled type alternating current permanent magnetism synchronous traction machine according to claim 1 is characterized in that: described traction sheave and brake disc adopt and divide body structure or integrative-structure.
4. load-off wheeled type alternating current permanent magnetism synchronous traction machine according to claim 1 is characterized in that: described hollow traction axle and towing machine support adopt and divide body structure or integrative-structure.
5. load-off wheeled type alternating current permanent magnetism synchronous traction machine according to claim 1 is characterized in that: described hollow traction axle and electric motor end cap adopt and divide body structure or integrative-structure.
CNA2007100128289A 2007-09-14 2007-09-14 Load-off wheeled type alternating current permanent magnetism synchronous traction machine CN101139065A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007100128289A CN101139065A (en) 2007-09-14 2007-09-14 Load-off wheeled type alternating current permanent magnetism synchronous traction machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNA2007100128289A CN101139065A (en) 2007-09-14 2007-09-14 Load-off wheeled type alternating current permanent magnetism synchronous traction machine
PCT/CN2008/072355 WO2009036692A1 (en) 2007-09-14 2008-09-12 An unloading alternate current permanent-magnet synchronous dragging machine

Publications (1)

Publication Number Publication Date
CN101139065A true CN101139065A (en) 2008-03-12

Family

ID=39191203

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2007100128289A CN101139065A (en) 2007-09-14 2007-09-14 Load-off wheeled type alternating current permanent magnetism synchronous traction machine

Country Status (2)

Country Link
CN (1) CN101139065A (en)
WO (1) WO2009036692A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009036692A1 (en) * 2007-09-14 2009-03-26 Fangui Meng An unloading alternate current permanent-magnet synchronous dragging machine
CN103434966A (en) * 2013-09-02 2013-12-11 广东华晨影视舞台专业工程有限公司 Dual mode elevator and application method thereof
CN104118787A (en) * 2014-07-01 2014-10-29 常熟市佳能电梯配件有限公司 Strong-drive permanent magnet synchronous traction machine with two traction rollers
CN104787650A (en) * 2015-04-27 2015-07-22 苏州德奥电梯有限公司 Traction machine
CN105173967A (en) * 2015-06-02 2015-12-23 西子奥的斯电梯有限公司 Steel belt system elevator guide wheel disk turning device
CN105962876A (en) * 2016-04-22 2016-09-28 重庆金山科技(集团)有限公司 Capsule controller of endoscope
CN105962878A (en) * 2016-04-22 2016-09-28 重庆金山科技(集团)有限公司 Endoscope capsule controller and reducer bending-resisting device thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101941628A (en) * 2010-09-13 2011-01-12 浙江西子富沃德电机有限公司 Elevator tractor
CN104150330A (en) * 2014-07-28 2014-11-19 苏州发源地科技发展有限公司 Magnetic-resistance type toothless elevator traction machine
CN107579623B (en) * 2017-10-25 2019-07-23 冶金自动化研究设计院 A kind of low pressure Ultra-Low Speed high-precision servo motor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5226508A (en) * 1991-12-02 1993-07-13 Otis Elevator Company Disc brake for elevator drive sheave
EP1013597A1 (en) * 1998-12-15 2000-06-28 Wittur GmbH Gearless driving device for lift
CN2518257Y (en) * 2001-03-30 2002-10-23 沈阳市蓝光自动化技术有限公司 Permanent magnet synchromotor for towing mechanism of non-gear elevator
EP1650154A1 (en) * 2003-05-21 2006-04-26 LASA BERASATEGUI, Javier Vertical traction system for elevators, with built-in control, safety and emergency system
CN2756601Y (en) * 2004-10-29 2006-02-08 杭州西子孚信科技有限公司 Permanent magnet synchronous gearless traction machine
CN101020551A (en) * 2006-12-07 2007-08-22 杭州富沃德电子电器有限公司 Drag for service elevator
CN201087059Y (en) * 2007-09-14 2008-07-16 孟繁贵 Unloading wheel type AC permanent magnetic synchronous traction machine
CN101139065A (en) * 2007-09-14 2008-03-12 孟繁贵 Load-off wheeled type alternating current permanent magnetism synchronous traction machine

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009036692A1 (en) * 2007-09-14 2009-03-26 Fangui Meng An unloading alternate current permanent-magnet synchronous dragging machine
CN103434966A (en) * 2013-09-02 2013-12-11 广东华晨影视舞台专业工程有限公司 Dual mode elevator and application method thereof
CN103434966B (en) * 2013-09-02 2016-01-20 广东华晨影视舞台专业工程有限公司 Dual mode elevator
CN104118787A (en) * 2014-07-01 2014-10-29 常熟市佳能电梯配件有限公司 Strong-drive permanent magnet synchronous traction machine with two traction rollers
CN104787650A (en) * 2015-04-27 2015-07-22 苏州德奥电梯有限公司 Traction machine
CN105173967A (en) * 2015-06-02 2015-12-23 西子奥的斯电梯有限公司 Steel belt system elevator guide wheel disk turning device
CN105173967B (en) * 2015-06-02 2018-07-03 西子奥的斯电梯有限公司 A kind of steel band system guide wheel of elevator barring gear
CN105962876A (en) * 2016-04-22 2016-09-28 重庆金山科技(集团)有限公司 Capsule controller of endoscope
CN105962878A (en) * 2016-04-22 2016-09-28 重庆金山科技(集团)有限公司 Endoscope capsule controller and reducer bending-resisting device thereof
CN105962876B (en) * 2016-04-22 2018-10-19 重庆金山科技(集团)有限公司 A kind of capsule endoscope controller

Also Published As

Publication number Publication date
WO2009036692A1 (en) 2009-03-26

Similar Documents

Publication Publication Date Title
EP0631968B1 (en) Traction sheave elevator with drive machine below
US6345695B1 (en) Elevator system with counter-rotating drive sheaves
US7597182B2 (en) Escalator or moving walk with drive
FI109596B (en) Lift and lift drive machinery
CN101044082B (en) Elevator apparatus
CA2113040C (en) Elevator motor placed in the counterweight
EP0631969B1 (en) Elevator drive machine placed in the counterweight
CA2126491C (en) Elevator drive machinery disposed in the counterweight
CN100366523C (en) Lifting mechanism and sling of large tonnage single hanging point crane
CN101775969B (en) Tower type combined drive pumping unit without guide wheel
CN103434912B (en) Steel wire rope clamping device of elevator
CN202226549U (en) Novel low building height steel wire rope electric block
CN102267658A (en) Travelator, moving ramp or escalator
US6966409B2 (en) Backup power device for elevator
TW200415110A (en) Elevator (II)
CN101402440A (en) Mobile hoistable platform and labor-saving apparatus
CN1886324A (en) Lifting device, especially a lift or a lifting platform
CN101613065A (en) Rope device is arranged, gone out to winch automatically
EP1642858B1 (en) Elevator tractor
CN102666340B (en) Optionally elevator braking in emergency engine kill process
CN102162369B (en) Elevating rescue capsule used for mine accidents
CN105883544A (en) Arrangement And Elevator
CN201068360Y (en) Thin type permanent magnetism synchronization gear wheel free traction machine
WO2006074578A1 (en) Oil-pumping workover rig
DE20318523U1 (en) Gearless compact drive system with external rotor for lifts has stator anchored on first bearing end plate to support bearing of rotor of motor having permanent magnets on inner circumference and cable grooves on outer circumference

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20080312