CN110386537A - A kind of traction machine - Google Patents
A kind of traction machine Download PDFInfo
- Publication number
- CN110386537A CN110386537A CN201910775320.7A CN201910775320A CN110386537A CN 110386537 A CN110386537 A CN 110386537A CN 201910775320 A CN201910775320 A CN 201910775320A CN 110386537 A CN110386537 A CN 110386537A
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- outer ring
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- bearing
- radial
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- 238000009434 installation Methods 0.000 claims abstract description 51
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 5
- 230000004323 axial length Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention provides a kind of traction machines, and making shaft, stress balance is good during rotation, it is ensured that the long-time steady operation of traction machine;And ensure the sealed damp-proof of motor.It includes base, traction sheave, brake, shaft, the base includes first shell, end cap, the first shell includes radial end face, outer ring, it is convex that inner ring installs side, the outer radial periphery of the radial end face is disposed with outer ring, the outer ring is axially arranged, it combines to form peripheral ring with radial end face, it is convex that the circumferential surface at the radial middle part of the radial end face is provided with the convex inner ring installation side in side, the side of inner ring installation side convex direction and the outer ring is convex towards identical, the convex convex axial distance in side in inner ring installation side is less than the convex axial distance in side of the outer ring, the end cap is packaged in the end face far from the radial end face of the outer ring, form closing installation cavity, the center of the radial end face is provided with first bearing location hole.
Description
Technical field
The present invention relates to the technical field of traction machine structure, specially a kind of traction machine.
Background technique
The function of elevator traction machine is to convey to run elevator with transmitting power.Existing traction machine, one end of shaft
Side it is convex for frame shell, for arranging traction sheave, in the actual process, due to shaft only one end it is convex in frame shell, its
The gravity of one end is larger, and during operation, the side nose of shaft is larger with respect to stress, and after working long hours, shaft can be sent out
The phenomenon that raw inclination or galloping, make the steady operation service life of traction machine short.
Summary of the invention
In view of the above-mentioned problems, making shaft, stress balance is good during rotation the present invention provides a kind of traction machine,
Ensure the long-time steady operation of traction machine;And ensure the sealed damp-proof of motor.
A kind of traction machine, it is characterised in that: it includes base, traction sheave, brake, shaft, and the base includes
One shell, end cap, the first shell include radial end face, outer ring, inner ring installation side it is convex, the diameter of the radial end face is outside
It is disposed with outer ring week, the outer ring is axially arranged and radial end face combines to form peripheral ring, the radial direction of the radial end face
It is convex that the circumferential surface at middle part is provided with the convex inner ring installation side in side, the convex direction in side of inner ring installation side convex direction and the outer ring
Identical, the convex convex axial distance in side in inner ring installation side is less than the convex axial distance in side of the outer ring, and the end cap is packaged in
The end face far from the radial end face of the outer ring forms closing installation cavity, and the center of the radial end face is provided with
The center inside of first bearing location hole, the end cap is provided with second bearing location hole, the center of the end cap
Outside is provided with avoid holes, second bearing location hole described in the aperture path of the avoid holes, the avoid holes connection described the
Two bearing location holes are provided with encoder in the avoid holes, and the encoder is connected to one end end face of the shaft, described
By second bearing location and installation in the second bearing location hole, the other end of the shaft passes through first axle for one end of shaft
Evagination after being installed on the first bearing location hole is held, the part of the inner cavity positioned at the first shell of the shaft is installed with
Nested structure is consolidated at the center of rotor, and the outer ring portion of the rotor is located at the external zones of the convex outer peripheral portion in inner ring installation side
Domain, the convex periphery in inner ring installation side are fixed with stator, and the outer ring portion and stator combination of the rotor form electric machine structure,
The exposed parts of the other end of the shaft are installed with traction sheave, at least one braking is provided on the external annulus of the outer ring
Device, the brake block of the brake is after corresponding mounting hole towards the outer ring surface arrangement of the outer ring portion of the rotor, institute
State the magnetic yoke of the main part of brake, armature interaction drives corresponding brake block to be braked.
It is further characterized by:
The rotor further includes along radial transition connection portion point, and the periphery connection transition that nested structure is consolidated at the center connects
The radial outer end of the radial inner end of socket part point, the transition connection portion point connects the corresponding end of the outer ring portion;
Installation guiding spacing, the transition connection portion are formed between the opposite end face of the inner ring installation convex and described end cap in side
Dividing further includes having oblique extend out to avoid region, and the oblique evacuation region that extends out extends in the installation guiding spacing, oblique
Extend out evacuation region and the center consolidate the outer peripheral surface of nested structure between ring be furnished with several reinforcing ribs, ensure entire base inner cavity
Rationally setting;
The shaft is respectively arranged with bearing peace corresponding to the position of the first shell, two bearing location holes of end cap
Seam allowance is filled, corresponding first bearing, second bearing are respectively arranged in after corresponding bearing installation seam allowance through capture configurations bearing
Limit, it is ensured that the bearing positioning that shaft and first shell, end cap combine the base to be formed is solid and reliable;
The axial length direction of the shaft, which corresponds between nested structure is consolidated at first bearing and center, is provided with positioning convex platform, institute
The first end face for stating positioning convex platform is specially the bearing installation seam allowance of first bearing, and the second end face of the positioning convex platform is specially
The axially position seam allowance of nested structure is consolidated at center, makes structure setting rationally, reliably;
The shaft corresponds to the center of gravity relative equilibrium of the affixed rotor in the positioning convex platform two sides, traction sheave, it is ensured that
It will not secundly when rotation;
The center of the end cap, which is provided with, reinforces thickness concave inward structure, and corresponding bearing location hole is set to described add
The medial center position of strong thickness concave inward structure, the stable support effect for reinforcing thickness concave inward structure for enhancing for shaft
Fruit;
It includes there are two brake, and two brakes are installed in the external annulus of the outer ring of the first shell respectively
Same radial two side brake of horizontal direction the convex arrangement in side is installed, two brake synchronization actions ensure for rotor
The accurate braking of outer ring portion;
The outer peripheral surface for covering the traction sheave admittedly of the exposed parts of the other end of the shaft is taper circumferential surface, described
Traction sheave is placed on the other end of the shaft by taper sleeve hole admittedly, the traction sheave be placed on the other end of the shaft admittedly after, its
Axial outer end lid is equipped with cover board, the outer end face that the cover board is fixed in the shaft other end by connecting bolt, it is ensured that traction
That takes turns is axially mounted solid and reliable;
The exposed junction of the radial end face of the first shell is provided with a disk shaft plug-in opening, collects on the traction sheave
At there is manual actuation gear, convenient for the smooth inserting of the shaft of turntable, and make the smooth mesh manual of the corresponding gear of turntable
Drive gear;
The first shell is additionally provided with fulcrum bearing, and the two sides of the fulcrum bearing are respectively arranged with corresponding thickness direction and pass through
The installation connecting hole worn, bolt pass through the installation affixed bottom firmware of connecting hole;
Terminal box is additionally provided at the top of the first shell, the terminal box is used for wiring;
The two sides that the top of the first shell corresponds to the terminal box are additionally provided with connection lifting lug, the connection lifting lug
It is provided with thickness direction through hole, lifting is facilitated to use;
The outer end face of the end cap corresponds to described the and the outer ring ring of bearing location hole is furnished with indent weight loss groove, it is ensured that the
The weight of one shell is relatively light.
After adopting the structure of the invention, the another side of shaft is convex in first shell and is installed with traction sheave, and the one of shaft
End is positioned at the second bearing location hole in second end cover by bearing, first bearing positioning controls interest, second bearing location hole it
Between shaft set there is the center of rotor to consolidate nested structure, make shaft when rotated, the weight at the both ends of first bearing location hole
Amount is uniformly arranged, and making shaft, stress balance is good during rotation, it is ensured that the long-time steady operation of traction machine;And due to
At least one brake is provided on the external annulus of outer ring, the brake block of brake is after corresponding mounting hole towards rotor
The outer ring surface of outer ring portion arranges that the magnetic yoke of the main part of brake, armature interaction drive corresponding brake block to carry out
Braking, so that one end of shaft does not need evagination, so that the reduced down in thickness of entire traction machine, is applicable to thickness space deficiency
Escalator installed;Further, since the combination of rotor, stator, part shaft is installed on formation combined by first shell, end cap
Closing installation cavity in so that rotor, stator combination form motor closing and are installed in enclosure space, it is ensured that the sealing of motor is anti-
Tide.
Detailed description of the invention
Fig. 1 is three-dimensional figure structure schematic representation one of the invention;
Fig. 2 is three-dimensional figure structure schematic representation two of the invention;
Fig. 3 is main view schematic diagram of the invention;
Fig. 4 is that the A-A of Fig. 3 cuts open structural schematic diagram;
Fig. 5 is that the B-B of Fig. 3 cuts open structural schematic diagram;
Title corresponding to serial number is as follows in figure:
Base 1, end cap 102, reinforces thickness concave inward structure 1021, is radial end face 103, outer ring 104, interior first shell 101
Ring installs side convex 105, traction sheave 2, disk shaft plug-in opening 3, shaft 4, one end 41, the other end 42, closing installation cavity 5, installation
It is oriented to spacing 51, first bearing location hole 6, second bearing location hole 7, avoid holes 8, second bearing 9, first bearing 10, rotor
11, center consolidates nested structure 111, outer ring portion 112, transition connection portion points 113, oblique extends out evacuation region 1131, stator 12, system
Dynamic device 13, brake block 131, mounting hole 14, reinforcing rib 15, bearing installation seam allowance 16, capture configurations 17, positioning convex platform 18, braking
Device install side convex 19, cover board 20, connection bolt 21, manual actuation gear 22, fulcrum bearing 23, installation connecting hole 24, terminal box 25,
Connect lifting lug 26, thickness direction through hole 27, indent weight loss groove 28, encoder 29.
Specific embodiment
A kind of traction machine is shown in Fig. 1-Fig. 5: it includes base 1, traction sheave 2, brake 13, shaft 4, and base 1 includes
One shell 101, end cap 102, first shell 101 include radial end face 103, outer ring 104, inner ring installation side convex 105, longitudinal end
Face 103, outer ring 104, inner ring installation side convex 105 are an integral molding structure, and the outer radial periphery of radial end face 103 is disposed with outer ring
104, outer ring 104 is axially arranged and the combination of radial end face 103 forms peripheral ring, the week at the radial middle part of radial end face 103
Face is provided with the convex inner ring installation side convex 105 in side, inner ring install side convex 105 direction and outer ring 104 side it is convex towards identical, it is interior
The convex axial distance in side that ring installs side convex 105 is less than the convex axial distance in side of outer ring 104, and end cap 102 is packaged in the separate of outer ring
The end face of radial end face 103 forms closing installation cavity 5,
The center of radial end face 103 is provided with first bearing location hole 6, setting on the inside of the center of end cap 102
There is second bearing location hole 7, is provided with avoid holes 8, the second axis of aperture path of avoid holes 8 on the outside of the center of end cap 102
Location hole 7 is held, avoid holes 8 are connected to second bearing location hole 7, and encoder 29 is provided in avoid holes 8, and encoder 29, which is connected to, to be turned
One end end face of axis 4, one end 41 of shaft 4 by 9 location and installation of second bearing in second bearing location hole 7, shaft 4 it is another
End 42 is installed on evagination after first bearing location hole 6 by first bearing 10,
Nested structure 111, rotor are consolidated in the center that the part of the inner cavity positioned at first shell 101 of shaft 4 is installed with rotor 11
11 outer ring portion 112 is located at the peripheral region of the outer peripheral portion of inner ring installation side convex 105, and inner ring installs the periphery of side convex 105
It is fixed with stator 12, the outer ring portion 112 and stator 12 of rotor 11, which combine, forms electric machine structure, outside the other end 42 of shaft 4
Dew part is installed with traction sheave 2, at least one brake 13, the brake block of brake 13 are provided on the external annulus of outer ring 104
131 arrange after corresponding mounting hole 14 towards the outer ring surface of the outer ring portion 112 of rotor 11, the main part of brake 13
Magnetic yoke, armature interaction drive corresponding brake block 131 to be braked.
Rotor 11 further includes along radial transition connection portion point 113, and the periphery connection transition that nested structure 111 is consolidated at center connects
The radial inner end of socket part point 113, the corresponding end of the radial outer end connection outer ring portion 112 of transition connection portion point 113;
Inner ring, which is installed, forms installation guiding spacing 51, transition connection portion point between side convex 105 and the opposite end face of end cap 102
113 further include having oblique extend out to avoid region 1131, and the oblique evacuation region 1131 that extends out extends in installation guiding spacing 51, tiltedly
To extend out evacuation region 1131 and center consolidate the outer peripheral surface of nested structure 111 between ring be furnished with several reinforcing ribs 15, ensure entire machine
The reasonable setting of seat inner cavity;
Shaft 4 is respectively arranged with bearing peace corresponding to the position of first shell 101, two bearing location holes of end cap 102
Seam allowance 16 is filled, corresponding first bearing 10, second bearing 9 pass through capture configurations after being respectively arranged in corresponding bearing installation seam allowance
17 bearings limit, it is ensured that the bearing positioning for the base 1 that shaft 4 and first shell 101, the combination of end cap 102 are formed is solid and reliable;
4 axial length directions of shaft, which correspond between nested structure 111 is consolidated at first bearing 10 and center, is provided with positioning convex platform
18, the first end face of positioning convex platform 18 is specially the bearing installation seam allowance of first bearing 10, the second end mask of positioning convex platform 18
The axially position seam allowance of solid nested structure 111 centered on body makes structure setting rationally, reliably;
The center of gravity relative equilibrium that shaft 4 corresponds to the affixed rotor 11 in 18 two sides of positioning convex platform, traction 2 is taken turns, it is ensured that turn
It will not secundly when dynamic;
The center of end cap 102, which is provided with, reinforces thickness concave inward structure 1021, and corresponding bearing location hole, which is set to, to be added
The medial center position of strong thickness concave inward structure 1021 reinforces thickness concave inward structure 1021 and is used to enhance the stabilization for shaft 4
Support effect;
It includes there are two brake 13, and two brakes 13 are installed in the outer ring of the outer ring 104 of first shell 101 respectively
Same convex 19 arrangement in radial two side brake of horizontal direction installation side of wall, two 13 synchronization actions of brake, ensure for
The accurate braking of the outer ring portion 112 of rotor 11;
The outer peripheral surface for covering traction sheave 2 admittedly of the exposed parts of the other end 42 of shaft 4 is taper circumferential surface, traction sheave 2
Be placed on the other end 42 of shaft 4 admittedly by taper sleeve hole, traction sheave 2 be placed on the other end 42 of shaft 4 admittedly after, its axial outer end lid dress
There are cover board 20, the outer end face that cover board 20 is fixed in 4 other end 42 of shaft by connecting bolt 21, it is ensured that the axial peace of traction sheave 2
It fills solid and reliable;
The exposed junction of the radial end face of first shell 101 is provided with a disk shaft plug-in opening 3, integrates on traction sheave 2
There is manual actuation gear 22, convenient for the smooth inserting of the shaft (be not drawn into figure, belong to existing mature structure) of turntable, and makes
The smooth mesh manual of corresponding gear for obtaining turntable drives gear 22;
First shell 101 is additionally provided with fulcrum bearing 23, and the two sides of fulcrum bearing 23 are respectively arranged with corresponding thickness direction and pass through
The installation connecting hole 24 worn, bolt pass through the installation affixed bottom firmware of connecting hole 24;
The top of first shell 101 is additionally provided with terminal box 25, and terminal box 25 is used for wiring;
The two sides that the top of first shell 101 corresponds to terminal box 25 are additionally provided with connection lifting lug 26, and connection lifting lug 26 is set
It is equipped with thickness direction through hole 27, lifting is facilitated to use;
The outer end face of end cap 102 corresponds to the and the outer ring ring of bearing location hole 7 is furnished with indent weight loss groove 28, it is ensured that first
The weight of shell 102 is relatively light.
Its working principles are as follows: the another side of shaft is convex in first shell and to be installed with traction sheave, one end of shaft is logical
The second bearing location hole that bearing is positioned in second end cover is crossed, first bearing positioning is controlled interest, between second bearing location hole
Shaft set has the center of rotor to consolidate nested structure, makes shaft when rotated, the weight at the both ends of first bearing location hole is equal
Even setting, making shaft, stress balance is good during rotation, it is ensured that the long-time steady operation of traction machine;And due to outer ring
External annulus on be provided at least one brake, the brake block of brake is after corresponding mounting hole towards the outer ring of rotor
Partial outer ring surface arrangement, the magnetic yoke of the main part of brake, armature interaction drive corresponding brake block to be braked,
So that one end of shaft does not need evagination, so that the reduced down in thickness of entire traction machine, is applicable to the insufficient electricity of thickness space
It is installed between ladder;Further, since the combination of rotor, stator, part shaft is installed on the envelope of formation combined by first shell, end cap
It closes in installation cavity, so that rotor, stator combination form motor closing and be installed in enclosure space, it is ensured that the sealed damp-proof of motor.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of traction machine, it is characterised in that: it includes base, traction sheave, brake, shaft, and the base includes first
Shell, end cap, the first shell include radial end face, outer ring, inner ring installation side it is convex, the outer radial periphery of the radial end face
It is disposed with outer ring, the outer ring is axially arranged and radial end face combines to form peripheral ring, in the radial direction of the radial end face
The circumferential surface in portion is provided with that the convex inner ring installation side in side is convex, and the side of inner ring installation side convex direction and the outer ring is convex towards phase
Together, the convex convex axial distance in side in inner ring installation side is less than the convex axial distance in side of the outer ring, and the end cap is packaged in institute
It states the end face far from the radial end face of outer ring, form closing installation cavity, the center of the radial end face is provided with the
One bearing location hole, is provided with second bearing location hole on the inside of the center of the end cap, outside the center of the end cap
Side is provided with avoid holes, second bearing location hole described in the aperture path of the avoid holes, the avoid holes connection described second
Bearing location hole, is provided with encoder in the avoid holes, and the encoder is connected to one end end face of the shaft, and described turn
By second bearing location and installation in the second bearing location hole, the other end of the shaft passes through first bearing for one end of axis
It is installed on evagination after the first bearing location hole, the part of the inner cavity positioned at the first shell of the shaft, which is installed with, to be turned
Nested structure is consolidated at the center of son, and the outer ring portion of the rotor is located at the peripheral region of the convex outer peripheral portion in inner ring installation side,
The convex periphery in inner ring installation side is fixed with stator, and the outer ring portion and stator combination of the rotor form electric machine structure, institute
The exposed parts for stating the other end of shaft are installed with traction sheave, at least one brake is provided on the external annulus of the outer ring,
The brake block of the brake is after corresponding mounting hole towards the outer ring surface arrangement of the outer ring portion of the rotor, the system
The magnetic yoke of the main part of dynamic device, armature interaction drive corresponding brake block to be braked.
2. a kind of traction machine as described in claim 1, it is characterised in that: the rotor further includes connecting along radial transition
The radial inner end of the periphery connection transition connection portion point of nested structure, the radial direction of the transition connection portion point are consolidated in part, the center
Outer end connects the corresponding end of the outer ring portion.
3. a kind of traction machine as described in claim 1, it is characterised in that: the inner ring installs the opposite of the convex and described end cap in side
Form installation guiding spacing between end face, the transition connection portion point further include have it is oblique extend out evacuation region, it is described oblique to extend out
Evacuation region extends in installation guiding spacing, and oblique extend out avoids region and the center is consolidated between the outer peripheral surface of nested structure
Ring is furnished with several reinforcing ribs.
4. a kind of traction machine as described in claim 1, it is characterised in that: the shaft corresponds to the first shell, end cap
Two bearing location holes position be respectively arranged with bearing installation seam allowance, corresponding first bearing, second bearing are installed respectively
It is limited after corresponding bearing installs seam allowance by capture configurations bearing.
5. a kind of traction machine as claimed in claim 4, it is characterised in that: the axial length direction of the shaft corresponds to first
Bearing and center are provided with positioning convex platform between consolidating nested structure, and the first end face of the positioning convex platform is specially the bearing of first bearing
Seam allowance is installed, the axially position seam allowance of solid nested structure centered on the second end face of the positioning convex platform is specific.
6. a kind of traction machine as described in claim 1, it is characterised in that: the center of the end cap is provided with reinforcement thickness
Concave inward structure, corresponding bearing location hole are set to the medial center position for reinforcing thickness concave inward structure.
7. a kind of traction machine as described in claim 1, it is characterised in that: it includes that there are two brake, two brakings
Same radial two side brake of the horizontal direction installation side that device is installed in the external annulus of the outer ring of the first shell respectively is convex
Arrangement, two brake synchronization actions.
8. a kind of traction machine as described in claim 1, it is characterised in that: the first shell is additionally provided with fulcrum bearing, described
The two sides of fulcrum bearing are respectively arranged with the corresponding perforative installation connecting hole of thickness direction.
9. a kind of traction machine as described in claim 1, it is characterised in that: be additionally provided with wiring at the top of the first shell
Box.
10. a kind of traction machine as claimed in claim 9, it is characterised in that: the top of the first shell corresponds to described connect
The two sides of wire box are additionally provided with connection lifting lug, and the connection lifting lug is provided with thickness direction through hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910775320.7A CN110386537A (en) | 2019-08-21 | 2019-08-21 | A kind of traction machine |
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CN201910775320.7A CN110386537A (en) | 2019-08-21 | 2019-08-21 | A kind of traction machine |
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CN110386537A true CN110386537A (en) | 2019-10-29 |
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CN201910775320.7A Pending CN110386537A (en) | 2019-08-21 | 2019-08-21 | A kind of traction machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112938717A (en) * | 2021-04-20 | 2021-06-11 | 浙江弗尔德驱动科技有限公司 | Elevator traction machine |
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CN110143511A (en) * | 2019-06-18 | 2019-08-20 | 浙江弗尔德驱动科技有限公司 | A kind of Novel traction machine structure |
CN110143510A (en) * | 2019-06-18 | 2019-08-20 | 浙江弗尔德驱动科技有限公司 | A kind of modified traction machine |
CN211141247U (en) * | 2019-08-21 | 2020-07-31 | 浙江弗尔德驱动科技有限公司 | Traction machine |
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2019
- 2019-08-21 CN CN201910775320.7A patent/CN110386537A/en active Pending
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KR20040019493A (en) * | 2002-08-28 | 2004-03-06 | 현대엘리베이터주식회사 | Slimming type traction machine |
CN108408550A (en) * | 2018-05-15 | 2018-08-17 | 浙江弗尔德驱动科技有限公司 | A kind of bridge traction machine |
CN208471337U (en) * | 2018-05-15 | 2019-02-05 | 浙江弗尔德驱动科技有限公司 | A kind of traction machine |
CN110143511A (en) * | 2019-06-18 | 2019-08-20 | 浙江弗尔德驱动科技有限公司 | A kind of Novel traction machine structure |
CN110143510A (en) * | 2019-06-18 | 2019-08-20 | 浙江弗尔德驱动科技有限公司 | A kind of modified traction machine |
CN211141247U (en) * | 2019-08-21 | 2020-07-31 | 浙江弗尔德驱动科技有限公司 | Traction machine |
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CN112938717A (en) * | 2021-04-20 | 2021-06-11 | 浙江弗尔德驱动科技有限公司 | Elevator traction machine |
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