CN111170126A - Gearless permanent magnet synchronous overload traction machine - Google Patents

Gearless permanent magnet synchronous overload traction machine Download PDF

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Publication number
CN111170126A
CN111170126A CN202010130003.2A CN202010130003A CN111170126A CN 111170126 A CN111170126 A CN 111170126A CN 202010130003 A CN202010130003 A CN 202010130003A CN 111170126 A CN111170126 A CN 111170126A
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CN
China
Prior art keywords
brake
seat
rotating shaft
assembly
traction
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.)
Pending
Application number
CN202010130003.2A
Other languages
Chinese (zh)
Inventor
杜秋
邓轶华
张军锋
戴命夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Winone Elevator Co Ltd
Original Assignee
Winone Elevator Co Ltd
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 Winone Elevator Co Ltd filed Critical Winone Elevator Co Ltd
Priority to CN202010130003.2A priority Critical patent/CN111170126A/en
Publication of CN111170126A publication Critical patent/CN111170126A/en
Pending legal-status Critical Current

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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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Braking Arrangements (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

A gearless permanent magnet synchronous overload traction machine comprises: the brake device comprises a base, a rotating shaft, a traction sheave, a rotor assembly, a stator assembly and a brake assembly; the base is arranged on the base; the base comprises a front seat, a central seat and a rear seat in sequence; the rotating shaft sequentially penetrates through the front seat, the central seat and the rear seat and is respectively rotatably arranged on the front seat, the central seat and the rear seat; the traction wheels are respectively sleeved with the rotating shafts; the rotor assembly is sleeved on the rotating shaft; the stator assembly is arranged in the center seat and sleeved on the rotor assembly; the brake assembly is arranged on the base; the brake assembly is used for limiting the rotation of the friction disc so that the rotating shaft is fixed. In the tractor, the front part and the rear part of the rotating shaft are respectively provided with the traction wheels, so that the maximum load of the tractor can be improved through the traction wheels at the front position and the rear position, and the traction speed can be improved; under the working condition that the elevator traction ratio is 2:1 and the electromagnetic brake is adopted, the maximum elevator load capacity can reach more than 25000kg, and the speed range is 0.5 m/s-10 m/s.

Description

Gearless permanent magnet synchronous overload traction machine
Technical Field
The invention relates to the technical field of elevator traction machines, in particular to a gearless permanent magnet synchronous overload traction machine.
Background
The elevator tractor is used as power equipment of an elevator, and can convey and transmit power for the elevator to enable the elevator to run. The existing gearless permanent magnet synchronous traction machine generally adopts a driving mode of a single traction wheel, but the single traction wheel easily causes uneven stress on a rotating shaft and low load-carrying capacity; meanwhile, the brake of the existing traction machine is influenced by the arrangement of the single traction sheave, the single traction sheave can only be distributed at one end of the rotating shaft, and the other end of the single traction sheave needs to be used for matching the rotor structure with the stator structure, so that the maximum load-carrying capacity is influenced; meanwhile, after the single traction sheave is installed at one end of the rotating shaft, if large load capacity is needed, the existing structure is that the front bearing and the rear bearing are arranged on the front side and the rear side of the traction sheave, the rotating shaft part at the end of the rotor is suspended, the suspended part is too long, and therefore in the prior art, a plurality of bearings are needed to be arranged to fix the suspended part, but the concentricity of the rotating shaft is difficult to guarantee due to the plurality of bearings, the processing and installation difficulties exist, and the manufacturing cost is increased.
Disclosure of Invention
The invention aims to provide a gearless permanent magnet synchronous overload tractor, which is provided with traction wheels at two ends of a rotating shaft.
In order to achieve the purpose, the invention adopts the following technical scheme:
a gearless permanent magnet synchronous overload traction machine comprises: the brake device comprises a base, a rotating shaft, a traction sheave, a rotor assembly, a stator assembly and a brake assembly;
the base is arranged on the base; the base comprises a front seat, a center seat and a rear seat in sequence; the rotating shaft sequentially penetrates through the front seat, the central seat and the rear seat and is respectively rotatably arranged on the front seat, the central seat and the rear seat;
a first gap is formed between the front seat and the central seat, and a second gap is formed between the rear seat and the central seat;
the traction sheave is respectively sleeved on the rotating shafts positioned at the first gap and the second gap;
the rotor assembly is sleeved on the rotating shaft; the stator assembly is arranged in the central seat and sleeved on the rotor assembly;
the brake assembly is mounted on the base; the traction wheel is provided with a friction disc; the brake assembly is used for contacting the friction disc and limiting the rotation of the friction disc, so that the rotating shaft is fixed.
More specifically, the brake assemblies are respectively mounted at front and rear positions of the center seat.
Stated further, the brake assembly includes: a service brake;
the main brake is arranged on the center seat;
the main brake is provided with a main brake plate, and a brake gap is formed between the main brake plate and the main body of the main brake; the friction disc passes through the brake gap, and the main brake plate is used for contacting and braking the friction disc, so that the traction wheel brakes the rotating shaft.
More specifically, the brake assemblies are respectively mounted to the front seat and the rear seat.
Stated further, the brake assembly includes: a first brake and a second brake;
the first brake is provided with a first brake plate; the second brake is provided with a second brake plate;
a brake gap is formed between the first brake plate and the main body of the first brake; said friction disc passing through said brake gap; the first brake plate is positioned on one surface of the friction disc, and the second brake plate is positioned on the other surface of the friction disc;
the first brake plate and the second brake plate are used for contacting and braking the friction disc, so that the traction wheel brakes the rotating shaft.
Furthermore, the front seat and the rear seat, or the central seat is provided with a plurality of braking fixing seats;
a braking notch is formed between the adjacent braking fixing seats; the detent recess is for mounting the detent assembly.
Further, the method further comprises the following steps: fixing the bolt;
the brake fixing seat is provided with a fixing hole with an internal thread structure; the braking component is provided with a limiting hole;
the fixing bolt penetrates through the limiting hole and is matched with the fixing hole, so that the braking component is fixed in the braking notch.
In a further aspect, the brake assembly contacts an edge of the friction plate.
More specifically, two ends of the rotating shaft are rotatably mounted on the front seat and the rear seat through bearings respectively; and an oil cup is arranged at the position of the front seat and/or the rear seat close to the bearing.
Further, the traction machine is applied to an elevator.
The invention has the beneficial effects that:
1. in the traction machine, the traction wheels are respectively arranged at the front part and the rear part of the rotating shaft, so that the maximum load of the traction machine can be improved through the traction wheels at the front position and the rear position, and the traction speed can be improved; in the elevator traction ratio of 2:1, the maximum load under the working condition of adopting the electromagnetic brake can reach more than 25000kg, and the speed range is 0.5 m/s-10 m/s.
2. The tractor uses double traction wheels arranged at the left end and the right end of the middle part of the rotating shaft to provide enough left and right balance force, and the traction force of the tractor is more evenly distributed at the two ends of the rotating shaft.
3. The tractor can provide enough space for arranging the brake assembly due to the first gap and the second gap formed by the base, so that the brake assembly in the tractor has larger braking torque.
4. The two ends of the rotating shaft in the scheme are respectively installed on the front seat and the rear seat through the bearings, the bearings and the sealing assemblies can be more conveniently maintained and disassembled when the bearings and the sealing assemblies are maintained and replaced, the traction wheel, the hanging steel wire rope and the brake assembly do not need to be disassembled, the bearings and the sealing assemblies can be replaced only by disassembling the front seat, the rear seat and the bearing gland, and the maintenance workload and the maintenance cost are greatly reduced.
5. The scheme has a structure with double traction wheels, the brake is arranged on the central seat and far away from the front bearing and the rear bearing, and when a sealing element fails, the safety risk that the brake torque is reduced or fails due to the fact that lubricating grease leaks to the friction surface of a brake disc is avoided.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a sectional view of embodiment 1;
FIG. 3 is a schematic structural view of example 2;
FIG. 4 is a sectional view of embodiment 2;
FIG. 5 is a schematic view showing the structure of a front seat or a rear seat in embodiment 2;
FIG. 6 is a schematic construction of the foundation brake;
FIG. 7 is a schematic view of the construction of the first brake;
fig. 8 is an enlarged view of a portion a in fig. 2.
Wherein:
the brake device comprises a base 1, a base 2, a rotating shaft 3, a traction sheave 4, a rotor assembly 5, a stator assembly 6 and a brake assembly 7; an oil cup 8;
friction disk 41, rope groove 42;
a front seat 21, a center seat 22, a rear seat 23 and a brake fixing seat 25; a first gap 241, a second gap 242; a fixing hole 251;
a main brake 711, a main brake plate 712, a brake gap 714;
a first brake 721, a second brake 722; a first brake plate 7211; a second brake plate 7221;
the bolt 73 is fixed.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
A gearless permanent magnet synchronous overload traction machine comprises: the brake device comprises a base 1, a base 2, a rotating shaft 3, a traction sheave 4, a rotor assembly 5, a stator assembly 6 and a brake assembly 7;
the base 2 is arranged on the base 1; the base 2 comprises a front seat 21, a central seat 22 and a rear seat 23 in sequence; the rotating shaft 3 sequentially penetrates through the front seat 21, the central seat 22 and the rear seat 23 and is respectively rotatably arranged on the front seat 21, the central seat 22 and the rear seat 23;
a first gap 241 is formed between the front seat 21 and the central seat 22, and a second mounting gap 242 is formed between the rear seat 23 and the central seat 22;
the traction sheave 4 is respectively fitted over the rotating shaft 3 at both the first gap 241 and the second gap 242;
the rotor assembly 5 is sleeved on the rotating shaft 3; the stator assembly 6 is arranged in the central seat 22 and sleeved on the rotor assembly 5;
the brake component 7 is mounted on the base 2; the traction sheave 4 is provided with a friction disc 41; the brake assembly is configured to contact the friction disc 41 to limit rotation of the friction disc 41, so that the rotating shaft 3 is fixed.
Further, in the hoist, the traction sheave 4 is provided at each of the front and rear portions of the rotating shaft 3, and the maximum load of the hoist can be increased by the traction sheave 4 at the front and rear positions, and the hoisting speed can be increased; under the working condition that the elevator traction ratio is 2:1 and the electromagnetic brake is adopted, the maximum load can reach more than 25000kg, and the speed range is 0.5 m/s-10 m/s.
Specifically, under the action of the rotor assembly 5 and the stator assembly 6, the rotating shaft 3 can rotate on the central seat 22; the center base 22 divides the rotating shaft 3 into two sides, one traction sheave 4 is arranged at the rotating shaft 3 part at the first gap 241, the other traction sheave 4 is arranged at the rotating shaft 3 part at the second gap 242, and the two traction sheaves 4 rotate synchronously with the rotating shaft 3 and drive the friction disc 41 to rotate; the braking assembly 7 located on the base 2 brakes the friction disc 41 of the traction sheave 4 to limit the traction sheave 4 and thus to fix the rotating shaft 3.
The front seat 21 and the rear seat 23 are rotatably connected to the rotating shaft 3 preferably by means of a well-known bearing;
in the using process of the tractor, the traction sheave 4 of the first gap 241 can lift the rope upwards, and the traction sheave 4 of the second gap 242 hangs the steel wire rope downwards; or both the first gap 241 and the second gap 242 suspend the wire rope in the same direction.
To explain further, the traction sheave 4 is provided with rope grooves 42.
The rope groove 42 is used for limiting the hoisting rope of the elevator to be closely attached to the traction sheave 4. The junction box 9 is used for accommodating a connecting wire of the traction machine.
Further, the gearless permanent magnet synchronous traction machine is applied to an elevator.
More specifically, two ends of the rotating shaft are rotatably mounted on the front seat and the rear seat through bearings respectively;
and an oil cup 8 is arranged at the position, close to the bearing, of the front seat 21 and/or the rear seat 23.
The bearing 9 inevitably generates sealing element failure and oil leakage in the long-time use process, in the prior art, a gearless permanent magnet synchronous tractor with a single traction wheel adopts a brake disc to arrange at the front end of the tractor in order to reasonably and evenly arrange the weight of parts of the tractor, a brake assembly is arranged on a front bearing seat, and when the sealing element fails and oil leaks, the sealing element leaks onto the brake disc, so that the safety risk of reducing the braking torque or failing is caused; because the front brake and the rear brake of the scheme are arranged on the center seat and are far away from the bearing, the safety risk of reducing the braking torque or losing efficacy when the sealing element loses efficacy and leaks oil can be avoided.
Example 1:
the brake assemblies 7 are respectively installed at front and rear positions of the center seat 22. In this embodiment, the friction plates 41 of the traction wheels 4 are close to the central base 22, and the brake assemblies 7 located at the front and rear positions of the central base 22 can brake the friction plates 41.
The brake assembly 7 includes: a primary brake 711; the service brake 711 is mounted on the center seat 22; the main brake 711 is provided with a main brake plate 712, and a brake gap 714 is formed between the main brake plate 712 and a main body 713 of the main brake 711; the friction disc 41 passes through the brake gap 714, and the main brake plate 712 is used to contact and brake the friction disc 41, so that the traction sheave 4 brakes the rotating shaft 3.
The foundation brake 711 can be replaced with an existing brake; the friction disc 41 rotating synchronously with the rotating shaft 3 passes through the brake gap 714 of the foundation brake 711, and the state of the friction disc 41 is controlled by controlling the power-on or power-off state of the foundation brake 711;
because ③ double traction wheels 4 are used on ③ rotating shaft 3 and matched with ③ braking components 7 at two ends of ③ center seat 22, ③ double traction wheels can provide enough braking force for ③ rotating shaft 3, compared with ③ single traction wheel of ③ gearless permanent magnet synchronous tractor in ③ prior art, ①, ③ tractor uses ③ double traction wheels to be arranged at ③ left end and ③ right end in ③ middle of ③ rotating shaft to provide enough left-right balance force, ③ traction force of ③ tractor is more evenly distributed at two ends of ③ rotating shaft 3, secondly, because ③ first gap 241 and ③ second gap 242 formed by ③ base can provide enough space for ③ tractor to arrange ③ braking components 7, so that ③ braking torque of ③ braking components 7 in ③ tractor is larger, thirdly, two ends of ③ rotating shaft in ③ scheme are respectively arranged on ③ front seat and ③ rear seat through ③ bearings, ③ distribution can more conveniently replace ③ front bearing and ③ sealing component, when ③ bearing and ③ sealing component are maintained, ③ bearing and ③ sealing component are not needed to be disassembled, ③ bearing and ③ sealing component can be replaced only by disassembling ③ front seat and ③ rear seat, and ③ maintenance workload and ③ maintenance cost are greatly reduced.
Example 2:
the brake assemblies 7 are respectively mounted to the front seat 21 and the rear seat 23. The brake assembly 7 includes: a first brake 721 and a second brake 722; the first brake 721 is provided with a first brake plate 7211; the second brake 722 is provided with a second brake plate 7221; a brake gap 714 is formed between the first brake plate 7211 and the body of the first brake 721; the friction disc 41 passes through the brake gap 714; the first brake plate 7211 is positioned on one side of the friction disc 41 and the second brake plate 7221 is positioned on the other side of the friction disc 41; the first and second brake plates 7211 and 7221 are configured to contact and brake the friction disc 41 such that the traction sheave 4 brakes the rotating shaft 3.
To explain further, in the present embodiment, a brake gap 714 is formed between the first brake plate 7211 and the body of the first brake 721, and the friction disk 41 of the traction sheave 4 is disposed in the brake gap 714; the first brake plate 7211 is positioned on a front side of the friction disc 41 and the second brake is positioned on an opposite side of the friction disc 41 to control the state of the friction disc 41 by controlling the energization or de-energization of both the first brake 721 and the second brake 722.
in the embodiment, the double traction wheels 4 are used for the rotating shaft 3, the friction discs 41 of the traction wheels 4 are braked by the brake assemblies 7 positioned on the front seat 21 and the rear seat 23, compared with the prior art, ①, the traction force of the gearless permanent magnet synchronous tractor in the embodiment is more evenly distributed outside the two ends of the rotating shaft 3, the brake assemblies 7 of the tractor are arranged on the front seat 21 and the rear seat 23, the front seat 21 and the rear seat 23 are both provided with the first brake 721 and the second brake 722, the front seat 21 and the rear seat 23 are respectively arranged on the two sides of the friction discs 41, the two sides of the friction discs 41 can be pressed during braking, the space reserved by the first gap 241 and the second gap 242 is fully utilized, the contact area of the brake and the friction discs 41 is increased after the balance force of the rotating shaft 3 is increased, the brake assembly 7 braking force in the tractor is larger, the brake assembly 7 in the prior art can only contact one side of the traction wheel 4 due to the first gap 241 and the second gap 242 formed by the base, enough space can be provided for arranging the brake assembly 7 for the tractor, the bearing assembly replacement and the bearing assembly can be replaced conveniently after the maintenance, the maintenance of the bearing assembly, the bearing assembly is replaced, the bearing assembly and the bearing assembly can be replaced by the sealing and the sealing assembly, the maintenance of the front seat, the bearing assembly can be greatly reduced, the maintenance of the bearing assembly, the maintenance of the.
More specifically, the front seat 21 and the rear seat 23, or the central seat 22 is provided with a plurality of braking holders 25; a braking notch is formed between the adjacent braking fixing seats 25; the detent recess is used to mount the detent assembly 7.
In embodiment 1, the braking recess can fix the foundation brake 711, and the foundation brake 711 is limited by the inner wall of the braking recess.
In embodiment 2, the braking notch can fix one of the first brake 721 and the second brake 722, and the first brake 721 or the second brake 722 is limited by the inner wall of the braking notch, so that the installation or the disassembly is convenient.
Further, the method further comprises the following steps: a fixing bolt 73;
the brake fixing seat 25 is provided with a fixing hole 251 with an internal thread structure; the braking component 7 is provided with a limiting hole; the fixing bolt 73 passes through the limiting hole and is matched with the fixing hole 251, so that the braking component 7 is fixed in the braking notch.
The fixing bolt 73 penetrates through the limiting hole and is matched with the fixing hole 251 of the brake fixing seat 25, so that the brake assembly 7 can be detachably fixed on the brake fixing seat 25, and the fixing force of the main brake 711 or both the first brake 721 and the second brake 722 on the brake notch is improved. Meanwhile, the limiting hole may be an internal thread structure, and the fixing bolt 73 is engaged with the internal thread structure of the limiting hole.
More specifically, the brake assembly 7 contacts the edge of the friction disc 41.
The friction disk 41 is preferably circular or semicircular, and may have a regular shape such as a square; the first brake plate 7211 and/or the second brake plate 7221 can contact the circular edge position of the friction disc 41, because the number of the arranged brake components 7 can be more when the edge position of the friction disc 41 is reached, the installation is convenient, and simultaneously, the contact area between the brake plates and the friction disc 41 can be improved as much as possible, the braking torque is improved, and the load-carrying capacity is improved.
Preferably, the braking components 7 are distributed and installed on the base 2 by taking the rotating shaft 3 as an axis, so that the stress is more uniform.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. The utility model provides a synchronous overweight loading's of no gear permanent magnetism hauler which characterized in that includes: the brake device comprises a base, a rotating shaft, a traction sheave, a rotor assembly, a stator assembly and a brake assembly;
the base is arranged on the base; the base comprises a front seat, a center seat and a rear seat in sequence; the rotating shaft sequentially penetrates through the front seat, the central seat and the rear seat and is respectively rotatably arranged on the front seat, the central seat and the rear seat;
a first gap is formed between the front seat and the central seat, and a second gap is formed between the rear seat and the central seat;
the traction sheave is respectively sleeved on the rotating shafts positioned at the first gap and the second gap;
the rotor assembly is sleeved on the rotating shaft; the stator assembly is arranged in the central seat and sleeved on the rotor assembly;
the brake assembly is mounted on the base; the traction wheel is provided with a friction disc; the brake assembly is used for contacting the friction disc and limiting the rotation of the friction disc, so that the rotating shaft is fixed.
2. The traction machine with gearless permanent magnet synchronous overload according to claim 1, wherein the brake assemblies are respectively installed at the front and rear positions of the center base.
3. The traction machine with gearless permanent magnet synchronous overload of claim 2, wherein the brake assembly comprises: a service brake;
the main brake is arranged on the center seat;
the main brake is provided with a main brake plate, and a brake gap is formed between the main brake plate and the main body of the main brake; the friction disc passes through the brake gap, and the main brake plate is used for contacting and braking the friction disc, so that the traction wheel brakes the rotating shaft.
4. The traction machine with no gear and ultra heavy load as claimed in claim 1, wherein the braking components are respectively installed on the front seat and the rear seat.
5. The traction machine with gearless permanent magnet synchronous overload of claim 3, wherein the brake assembly comprises: a first brake and a second brake;
the first brake is provided with a first brake plate; the second brake is provided with a second brake plate;
a brake gap is formed between the first brake plate and the main body of the first brake; said friction disc passing through said brake gap; the first brake plate is positioned on one surface of the friction disc, and the second brake plate is positioned on the other surface of the friction disc;
the first brake plate and the second brake plate are used for contacting and braking the friction disc, so that the traction wheel brakes the rotating shaft.
6. The traction machine with gearless permanent magnet synchronous overload according to claim 1 is characterized in that the front seat and the rear seat or the central seat is provided with a plurality of brake fixing seats;
a braking notch is formed between the adjacent braking fixing seats; the detent recess is for mounting the detent assembly.
7. The traction machine with gearless permanent magnet synchronous overload of claim 6 is characterized by further comprising: fixing the bolt;
the brake fixing seat is provided with a fixing hole with an internal thread structure; the braking component is provided with a limiting hole;
the fixing bolt penetrates through the limiting hole and is matched with the fixing hole, so that the braking component is fixed in the braking notch.
8. The traction machine with gearless permanent magnet synchronous overload according to claim 6, wherein the brake assembly contacts with the edge position of the friction disc.
9. The traction machine with gearless permanent magnet synchronous overload according to any one of claims 1 to 8, wherein both ends of the rotating shaft are rotatably mounted on the front seat and the rear seat through bearings respectively;
and an oil cup is arranged at the position of the front seat and/or the rear seat close to the bearing.
10. The traction machine with gearless permanent magnet synchronous overload according to any one of claims 1 to 8, wherein the traction machine is applied to an elevator.
CN202010130003.2A 2020-02-28 2020-02-28 Gearless permanent magnet synchronous overload traction machine Pending CN111170126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010130003.2A CN111170126A (en) 2020-02-28 2020-02-28 Gearless permanent magnet synchronous overload traction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010130003.2A CN111170126A (en) 2020-02-28 2020-02-28 Gearless permanent magnet synchronous overload traction machine

Publications (1)

Publication Number Publication Date
CN111170126A true CN111170126A (en) 2020-05-19

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ID=70620082

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010130003.2A Pending CN111170126A (en) 2020-02-28 2020-02-28 Gearless permanent magnet synchronous overload traction machine

Country Status (1)

Country Link
CN (1) CN111170126A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111573484A (en) * 2020-06-19 2020-08-25 舒马克电梯(张家港)有限公司 Traction machine for elevator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090127949A1 (en) * 2007-11-20 2009-05-21 He Zhang Permanent-magnet synchronous gearless traction machine
CN105731227A (en) * 2016-04-26 2016-07-06 江门市蒙德电气股份有限公司 Permanent magnet synchronous traction machine
CN107082347A (en) * 2017-05-27 2017-08-22 江南嘉捷电梯股份有限公司 A kind of elevator traction machine
CN208454230U (en) * 2018-05-02 2019-02-01 菱王电梯股份有限公司 Heavy-duty permanent magnetic synchronous traction machine
CN212559034U (en) * 2020-02-28 2021-02-19 菱王电梯有限公司 Gearless permanent magnet synchronous overload traction machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090127949A1 (en) * 2007-11-20 2009-05-21 He Zhang Permanent-magnet synchronous gearless traction machine
CN105731227A (en) * 2016-04-26 2016-07-06 江门市蒙德电气股份有限公司 Permanent magnet synchronous traction machine
CN107082347A (en) * 2017-05-27 2017-08-22 江南嘉捷电梯股份有限公司 A kind of elevator traction machine
CN208454230U (en) * 2018-05-02 2019-02-01 菱王电梯股份有限公司 Heavy-duty permanent magnetic synchronous traction machine
CN212559034U (en) * 2020-02-28 2021-02-19 菱王电梯有限公司 Gearless permanent magnet synchronous overload traction machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111573484A (en) * 2020-06-19 2020-08-25 舒马克电梯(张家港)有限公司 Traction machine for elevator

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