CN105314562B - Winch for elevator - Google Patents
Winch for elevator Download PDFInfo
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- CN105314562B CN105314562B CN201510459197.XA CN201510459197A CN105314562B CN 105314562 B CN105314562 B CN 105314562B CN 201510459197 A CN201510459197 A CN 201510459197A CN 105314562 B CN105314562 B CN 105314562B
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- magnetic braking
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Abstract
The present invention provides a kind of Winch for elevator, and realizes the lightness of Winch for elevator.The Winch for elevator possesses framework (1), rope sheave (14), brake disc (26), and electro-magnetic braking device (15), electro-magnetic braking device is configured to include brake shoe (27a, 27b), armature (28), main body (33), limiter (35), and floating installation (42), and it is arranged on by least two shaft components (5) in framework, shaft component is configured to include being inserted into electro-magnetic braking device and the electro-magnetic braking device being supported to the support shaft (37) for that can move in the axial direction, and the flange part (38) set in a side of support shaft, limiter and floating installation are arranged on flange part.
Description
Technical field
The present invention relates to a kind of Winch for elevator.
Background technology
In nearest lift appliance, for the purpose for the height for suppressing building, constantly popularization has institute as described below
The lift appliance of the machine House-less of meaning, in the lift appliance of the machine House-less, will not be used to store Winch for elevator (below
Referred to as hoist engine) etc. the Machine Room of mechanical equipment be arranged on the top of liftway, but mechanical equipment is arranged on
In liftway.
In the case of the lift appliance of the machine House-less, including being arranged at the hoist engine of Machine Room in the past, own
Equipment is arranged in liftway.Structure hoist engine being arranged in liftway is varied, but in order in lifting
Hoist engine is set in passage, it is necessary to make hoist engine lightness.Certainly, also seek in the existing lift appliance provided with Machine Room
The lightness of hoist engine.
As existing hoist engine, for example, following technology is recorded in patent document 1：" by the rotor of motor, it is used for
The brake disc of the driving pulley and disc-brake that carry out roll up operation to elevator hoist cable forms as one and constitutes rotary body
Component.Rotating body component is rotated using the magnetic force acted between the stator and rotor of the motor located at base assembly
Operation, the friction member of disc-brake is crimped onto the side of brake disc, thus stops the rotation of rotating body component " (reference
Specification digest).
In addition, as other existing hoist engines, being such as known to the construction shown in Fig. 7.Hoist engine 110 shown in Fig. 7
Machine Room, pit madial wall of liftway etc. are fixedly installed on, for being rolled and lift appliance by defined operation
The elevator hoist cable that lift car is connected, and possess framework 101, can be rotationally mounted in framework 101 and supply elevator hoist cable
The rope sheave 114 of winding, the brake disc 126 for being wholely set and being rotated with rope sheave 114 and brake disc 126 is braked
Electro-magnetic braking device 115.Moreover, electro-magnetic braking device 115 is by the large-scale branch support for encasing the electro-magnetic braking device 115
Frame 147 and be fixed in framework 101.
Above-mentioned existing hoist engine is by the motor drive mechanism of so-called outer-rotor type into therefore being braked to revolving part portion
In the case of need larger brake force.Therefore, in order to which the brake force given to brake disc is ensured into ormal weight, set relative
In two electro-magnetic braking devices of brake disc independence.
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2004-299824 publications
The invention problem to be solved
However, the frame support bracket of supporting electro-magnetic braking device is necessary to ensure that enough intensity to tackle electro-magnetic braking device
The excessive torque during brake hard being subject to, thus become thick and heavy.Therefore, in order that hoist engine lightness is, it is necessary to be modified to
Electro-magnetic braking device is installed on to the installation constitution of framework.In addition, from the aspect of the workability during construction of lift appliance,
Also the lightness of hoist engine is sought.
The content of the invention
The present invention be in view of above-mentioned actual conditions and complete, it is intended that realizing the light-duty of Winch for elevator
Change.
Means for solving the problems
To achieve these goals, the present invention provides a kind of Winch for elevator, possesses：Framework；Can rotatably it install
The rope sheave wound in the framework and for hoist cable；The brake disc for being wholely set and being rotated with the rope sheave；And to institute
State the electro-magnetic braking device that brake disc is braked, it is characterised in that the electro-magnetic braking device includes：A pair of brake shoes, it
The brake disc is braked；Armature, it keeps the side in the pair of brake shoe；Main body, its holding is the pair of
The opposing party in brake shoe；Limiter, it is used to limit the direction i.e. specific direction that the armature is directed away from the brake disc
It is mobile；And floating installation, it exerts a force to the main body towards the specific direction, and the electro-magnetic braking device is by least two
Individual shaft component and in the framework, the shaft component includes：Support shaft, it inserts the electro-magnetic braking device, and will
Electro-magnetic braking device supporting is to move in the axial direction；And flange part, it is arranged on a side of the support shaft, institute
State limiter and the floating installation is arranged on the flange part.
Invention effect
In accordance with the invention it is possible to realize the lightness of hoist engine.It should be noted that problem other than the above, structure with
And effect is given clearly by the explanation of following embodiment.
Brief description of the drawings
Fig. 1 is the overall diagram of the hoist engine of embodiments of the present invention.
Fig. 2 is the B-B sectional views of the hoist engine shown in Fig. 1.
Fig. 3 is the major part amplification plan view of the electro-magnetic braking device shown in Fig. 1 from A directions.
Fig. 4 is the figure of state when representing the brake of the electro-magnetic braking device shown in Fig. 3.
The figure of state when Fig. 5 is the brake release for representing the electro-magnetic braking device shown in Fig. 3.
Fig. 6 is the figure for the variation for representing the shaft component shown in Fig. 3.
Fig. 7 is the overall diagram of the hoist engine of prior art.
Description of reference numerals：
1 framework
1a installation portions
5th, 5-1 shaft components
10 hoist engines
14 rope sheaves
15 electro-magnetic braking devices
26 brake discs
27a, 27b brake shoe
28 armature
33 brake bodies (main body)
35 caging bolts (limiter)
37 support shafts
37a screws
38 flange parts
39 fixed plates
42 floating installations
45 6 edge
46 fixing bolts (bolt)
Embodiment
Hereinafter, the embodiment of the hoist engine of the present invention is illustrated based on accompanying drawing.Fig. 1 is embodiments of the present invention
Hoist engine overall diagram, (a) is left view, and (b) is front view, and (c) is right view.In addition, the B-B that Fig. 2 is Fig. 1 (c) is cutd open
View, Fig. 3 (a) is the major part amplification plan view of the electro-magnetic braking device 15 shown in Fig. 1 from A directions, and (b) is (a)
The top view of shown shaft component 5, (c) is the right view of the shaft component 5 shown in (b).
As shown in Figure 1 and Figure 2, the hoist engine 10 of present embodiment mainly possesses：Framework 1；It can be rotationally mounted to
The rope sheave 14 wound in framework 1 and for hoist cable；The brake disc 26 for being wholely set and being rotated with rope sheave 14；And to brake disc
26 electro-magnetic braking devices 15 braked.
Framework 1 is in the housing recess 21 of front face side formation ring-type, the jut remained in the center of the housing recess 21
16 front end is provided projectingly the abutment wall 17 of cylindrical shape.At the shaft core position of the abutment wall 17 and jut 16, with through
The mode of framework 1 is formed with axis hole 18.In addition, the periphery wall inner surface in housing recess 21 is provided with the stator 22 of motor 7.
Stator 22 has winding, and magnetic field consecutive variations are made by energization.
Rope sheave 14 is integrally formed with brake disc 26 and constitutes rotating body component 2.Overall present of the rotating body component 2 is substantially justified
Plate shape, its axle center part is supported on main shaft 19 by bearing 23, and its periphery edge is brake disc 26.Moreover, in rotation
On the one side of body component 2, the rotor 31 of motor 7 is extended, and on the another side of rotating body component 2, passes through bolt
Etc. come be fixed for elevator hoist cable carry out roll up operation rope sheave 14.
The rotor 31 of motor 7 is by the cylindrical wall 24 that is formed as one with rotating body component 2 and is fixed on the cylindrical wall
Permanent magnet 25 on 24 internal perisporium is constituted.Moreover, the rotor 31 is inserted into housing recess 21 of the configuration in framework 1, rotor
31 is diametrically opposed across space with the magnetic action face of stator 22.
Electro-magnetic braking device 15 is respectively equipped with two corners on the top of framework 1.That is, in the hoist engine 10 of present embodiment
It is middle to use two electro-magnetic braking devices 15.Detailed description is seen below, and electro-magnetic braking device 15 is by a pair of brake shoe 27a and 27b, guarantors
The armature 28 for holding the brake shoe 27a of a side and the brake shoe 27b for keeping the opposing party grade of brake body (main body) 33 are constituted.
One electro-magnetic braking device 15 is two shaft components 5 to be installed on framework 1 by way of can moving vertically.More
Specifically, as shown in Fig. 3 (a), provided with two through hole 33a for being inserted for shaft component 5 on brake body 33.Axle structure
Part 5 is used to fix electro-magnetic braking device 15 and be supported on framework 1, and shown in such as Fig. 3 (b) and (c), the shaft component 5 is by inserting
Support shaft 37 to the pole shape in through hole 33a, located at the support shaft 37 rear end side (side) discoid flange
Portion 38 and it is coaxially disposed with support shaft 37 and flange part 38 and orthogonal to the axial direction cuts open between support shaft 37 and flange part 38
The shape in face is constituted in six edge 45 of regular hexagon.
Screw 37a is formed with the front end face (another side) of support shaft 37.It is inserted into by shaft component 5 located at framework 1
Installation portion 1a mounting hole 1b after, and fixing bolt (bolt) 46 is installed on screw 37a across fixed plate 39, it is thus solid
Determine framework 1 and shaft component 5.It should be noted that in the present embodiment, support shaft 37 is cut out by steel and made.
It is fixed with flange part 38 for the gap between brake disc 26 and brake shoe 27a, 27b of left and right to be remained into phase
Deng caging bolt (limiter) 35.Need adjust support shaft 37 direction of rotation on direction so that caging bolt 35 with from
Pin 34 (aftermentioned) good contact of the radially projecting setting of armature 28.Therefore, the part in support shaft 37 sets six edge 45,
Adjusted by the centering inserted spanner etc. at six edge 45 and direction of rotation can be carried out.In addition, six edge 45 is in branch
The front of axle 37 is held when fixed plate 39 is fixed on the installation portion 1a of framework 1 by fixing bolt 46, is played for preventing
The effect that support shaft 37 dallies.It should be noted that six edge 45 located at support shaft 37 can be inserted for spanner etc., only
If being formed with the structure on the two sides being parallel to each other in the section shape at least when with section on plane orthogonal to the axial direction, do not limit
Make its shape.
So, in the present embodiment, electro-magnetic braking device 15 is arranged in framework 1 by two shaft components 5.For
This, it is not necessary to it was used to larger frame support bracket of electro-magnetic braking device 15 etc. be installed as in the past, can realizes small-sized, light-duty
Change.
Next, reference picture 4 and Fig. 5, the action to electro-magnetic braking device 15 are illustrated.Fig. 4 is represented by electromagnetism
The figure of state caused by brake apparatus 15 during brake, Fig. 5 is to represent the brake as caused by electro-magnetic braking device 15
The figure of state during release.
Electro-magnetic braking device 15 in present embodiment is characterised by, framework 1 is arranged on as described above by shaft component 5
On construction, internal structure in addition is known construction.When being briefly described to its internal structure, electromagnetic braking
Device 15 has：Press a pair of brake shoes 27a, 27b that the circumferential lateral surface and being used for of brake disc 26 is braked to brake disc 26；
Keep the brake shoe 27a of side armature 28；Make armature 28 to the side (Fig. 4 of brake disc 26 to give brake force to rope sheave 14
C directions) force tripping spring 36；And electromagnetic drive part 29, its compress the tripping spring 36 and from the outer of brake disc 26
All side release brake shoe 27a, 27b, and the state that rope sheave 14 is set to rotate.
Electromagnetic drive part 29 is set as by fixing bolt (not shown) directly or via other installation components indirectly
It is fixed on the structure of brake body 33.On brake body 33 directly or be fixed with indirectly via other installation components another
The brake shoe 27b of side, the mechanism that the circumferential lateral surface as the opposing party to brake disc 26 is braked or discharged, as passing through
The construction of higher brake force is obtained from both sides cramping brake disc 26.
The function as the electromagnet for electromagnetic attraction armature 28 of electromagnetic drive part 29, by electromagnetic wire (not shown)
Circle is constituted with combination unshakable in one's determination.Being used at iron core has the larger material of magnetic conductivity.Tripping spring 36 will be located at electromagnetic braking dress
15 armature 28 is put to press to the side of brake disc 26 (C directions in figure) with brake shoe 27a the first sub-assembly 43 (bottom right oblique line), its
As a result, brake shoe 27a strongly presses the circumferential lateral surface (right flank in figure) of a side of brake disc 26.Now, bullet is braked
Spring 36 is in the state of not yet full extension, and remaining has spring force.
Therefore, in the presence of the reaction force of the spring force, brake body 33 is combined with the second of electromagnetic drive part 29
(D directions in figure) is mobile in the opposite direction for part 44 (upper right oblique line), located at the brake shoe 27b strengths of the opposing party of brake body 33
The circumferential lateral surface (left surface in figure) of the opposing party of ground pressing brake disc 26.Based on above-mentioned situation, brake shoe 27a, 27b are utilized
Brake disc 26 is clamped from both sides, with the function that rope sheave 14 is maintained to on-position.
On the other hand, by the circulating current in the magnet coil of electromagnetic drive part 29, so as to iron core progress excitation
Attract armature 28, therefore as shown in figure 5, armature 28 overcomes the spring force of tripping spring 36 and brakes brake shoe 27a to remote
Direction (D directions in specific direction, the figure) driving (in other words the first sub-assembly 43 D directions into figure are moved) of disk 26, is released
To the brake force of a side of brake disc 26.
Next, the caging bolt 35 located at flange part 38 of the pin 34 with being fixed on support shaft 37 of armature 28 is contacted, hold in the mouth
Iron 28 is in the state being not yet close to electromagnetic drive part 29.Therefore, the second sub-assembly 44 in the opposite direction move by (C directions in figure)
It is dynamic, it thus will drive, release to braking to the direction away from brake disc 26 located at the brake shoe 27b of the opposing party of brake body 33
The brake force of the opposing party of disk 26.
It should be noted that because these actions are implemented at a terrific speed, it is therefore possible to pass through pin 34 and limit
Position bolt 35 collide when reaction, gap is produced between pin 34 and caging bolt 35, in other words, the first sub-assembly 43 and
Second sub-assembly 44 is overall to be moved to the left, even if also turning into what brake disc 26 connected with brake shoe 27a after brake force releasing
Situation.Thus, using the floating installation 42 being made up of spring etc., the first sub-assembly 43 and the second sub-assembly 44 are made into Fig. 5
D directions (right direction) pull it is close, pin 34 is close to all the time with caging bolt 35, so that brake disc 26 and brake shoe
Gap X between 27a, 27b turns into the overhang that impartial mode adjusts caging bolt 35.
On the other hand, when energization of the cut-out to the magnet coil of electromagnetic drive part 29, the demagnetization of electromagnetic drive part 29, because
This, as described above, a pair of brake shoes 27a, 27b press on the circumferential lateral surface of brake disc 26 and rope sheave 14 applied and braked.
In summary, according to present embodiment, electro-magnetic braking device 15 is supported as can be in axle using two shaft components 5
Long side direction on move, shaft component 5 is directly anchored in the framework 1 of hoist engine 10, and is formed on shaft component 5 for being used for
The flange part 38 that appropriate caging bolt 35, the floating installation 42 for ensuring brake disc 26 and brake shoe 27a, 27b gap is installed, by
This does not need in the past such large-scale frame support bracket, can simplify the installation that electro-magnetic braking device 15 is installed on to framework 1
Construction, can mitigate the overall weight of hoist engine 10.
Based on Fig. 7's comparatively, in existing hoist engine 100, in order to which electro-magnetic braking device 115 is arranged on into frame
, it is necessary to set firm frame support bracket 47 in framework 1 on body 1, the hoist engine 10 of present embodiment, which can be used, only passes through two
Electro-magnetic braking device 115 is arranged on the easy structure of the installation portion 1a in framework 1 by individual shaft component 5, therefore, it is possible to realize elevator
Small-sized, the lightness of machine 10.
In addition, by making support shaft 37 be formed as one with flange 38, thus without for suitably keeping electromagnetic system
The new component of the installation site of dynamic device 17, can realize the reduction of part number of packages.Further, since being used as electro-magnetic braking device
15 can also realize lightness, and therefore, it is possible to improve in brake shoe 27a, 27b replacing, the when of inspecting periodically tears open from hoist engine 10
Unload the workability of the attendant in the case of electro-magnetic braking device 15.
<Variation>
Next, being illustrated using Fig. 6 to the variation of shaft component 5.Fig. 6 is the shaft component 5-1 for representing variation
Figure.Support shaft 37 is set to be formed as with flange part 38 by installation bolt 40 as shown in fig. 6, the shaft component 5-1 of variation turns into
The structure of one.According to the structure, it can be consolidated after production support shaft 37 respectively with flange part 38 using installation bolt 40
It is both fixed, thus compared with situation about being cut out from steel, it is possible to increase productivity ratio, and reduce manufacturing cost.
It should be noted that the present invention is not limited to above-mentioned embodiment, various modifications example is included.As described above
Embodiment is for the ease of understanding to illustrate the present invention and describe in detail, is not necessarily defined to possess illustrated whole
Structure.In addition, a part for the structure of a certain embodiment can be replaced into the structure of other embodiment, or also can
The structure of other embodiment is added in the structure of a certain embodiment.In addition, can be for the structure of each embodiment
A part carries out the addition of other structures, eliminates, replaces.
In addition, the hoist engine of the present invention can also apply to the lift appliance of machine House-less mode and the electricity of Machine Room mode
Any one of ladder device.In addition, electro-magnetic braking device 15 is fixed in framework 1 using two shaft components 5, but shaft component
5 quantity not limited to this, for example, can also use more than three.
Claims (3)
1. a kind of Winch for elevator, possesses：Framework；The rope wound in the framework and for hoist cable can be rotationally mounted to
Wheel；The brake disc for being wholely set and being rotated with the rope sheave；And the electromagnetic braking dress braked to the brake disc
Put,
Characterized in that,
The electro-magnetic braking device includes：
A pair of brake shoes, they are braked to the brake disc；
Armature, it keeps the side in the pair of brake shoe；
Main body, it keeps the opposing party in the pair of brake shoe；
Limiter, it is used to limit the i.e. specific direction movement in direction that the armature is directed away from the brake disc；And
Floating installation, it exerts a force to the main body towards the specific direction,
Also, the electro-magnetic braking device is arranged in the framework by least two shaft components,
The shaft component includes：
Support shaft, it inserts the electro-magnetic braking device, and is to move in the axial direction by electro-magnetic braking device supporting；With
And
Flange part, it is arranged on a side of the support shaft,
The limiter and the floating installation are arranged on the flange part.
2. Winch for elevator according to claim 1, it is characterised in that
The shaft component include six edge, six edge at the position between the support shaft and the flange part with the branch
Hold axle and the flange part is coaxially disposed, and it is hexagonal in the section shape of section on plane orthogonal to the axial direction.
3. Winch for elevator according to claim 1 or 2, it is characterised in that
Screw is axially formed on the end face of the another side of the support shaft,
The installation portion for being used for inserting for the other end of the support shaft is provided with the framework,
By, to the screw installation bolt, the support shaft being fixed on across fixed plate on the installation portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014158911A JP2016034872A (en) | 2014-08-04 | 2014-08-04 | Hoist for elevator |
| JP2014-158911 | 2014-08-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105314562A CN105314562A (en) | 2016-02-10 |
| CN105314562B true CN105314562B (en) | 2017-10-24 |
Family
ID=55243009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510459197.XA Active CN105314562B (en) | 2014-08-04 | 2015-07-30 | Winch for elevator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2016034872A (en) |
| CN (1) | CN105314562B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017037777A1 (en) * | 2015-08-28 | 2017-03-09 | 株式会社日立製作所 | Elevator hoist and elevator |
| JP6606029B2 (en) * | 2016-07-15 | 2019-11-13 | 株式会社日立製作所 | Elevator hoisting machine and elevator device |
| CN114803923B (en) * | 2022-03-31 | 2022-11-29 | 日立电梯电机（广州）有限公司 | Disc brake and traction machine |
| EP4378875A1 (en) * | 2022-12-02 | 2024-06-05 | Otis Elevator Company | Frictionless safety brake actuator |
| JP7403699B1 (en) | 2023-04-18 | 2023-12-22 | 三菱電機ビルソリューションズ株式会社 | Elevator hoisting machine and its brake device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4537292A (en) * | 1980-08-20 | 1985-08-27 | Tokico Ltd. | Friction pad assembly for a disc brake |
| JPH03129135A (en) * | 1989-10-13 | 1991-06-03 | Mitsubishi Electric Corp | Brake device for elevator hoisting winch |
| EP0641950A2 (en) * | 1990-04-13 | 1995-03-08 | Otis Elevator Company | Disc brake for elevator |
| CN102616635A (en) * | 2011-01-31 | 2012-08-01 | 株式会社日立制作所 | Cable hoist for elevator and elevator equipment |
| CN103879916A (en) * | 2012-12-21 | 2014-06-25 | 株式会社日立制作所 | Brake For Hoist Of An Elevator |
-
2014
- 2014-08-04 JP JP2014158911A patent/JP2016034872A/en active Pending
-
2015
- 2015-07-30 CN CN201510459197.XA patent/CN105314562B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4537292A (en) * | 1980-08-20 | 1985-08-27 | Tokico Ltd. | Friction pad assembly for a disc brake |
| JPH03129135A (en) * | 1989-10-13 | 1991-06-03 | Mitsubishi Electric Corp | Brake device for elevator hoisting winch |
| EP0641950A2 (en) * | 1990-04-13 | 1995-03-08 | Otis Elevator Company | Disc brake for elevator |
| CN102616635A (en) * | 2011-01-31 | 2012-08-01 | 株式会社日立制作所 | Cable hoist for elevator and elevator equipment |
| CN103879916A (en) * | 2012-12-21 | 2014-06-25 | 株式会社日立制作所 | Brake For Hoist Of An Elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105314562A (en) | 2016-02-10 |
| JP2016034872A (en) | 2016-03-17 |
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