CN108529402B - Hoist engine and lift appliance - Google Patents
Hoist engine and lift appliance Download PDFInfo
- Publication number
- CN108529402B CN108529402B CN201711133539.4A CN201711133539A CN108529402B CN 108529402 B CN108529402 B CN 108529402B CN 201711133539 A CN201711133539 A CN 201711133539A CN 108529402 B CN108529402 B CN 108529402B
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- China
- Prior art keywords
- iron plate
- brake
- hoist engine
- brake disc
- spring
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention provides the hoist engine for realizing the miniaturization of the iron plate for electromagnetic brake.The hoist engine is set to lift appliance, be rolled by with the hoist cable of carriage connection and go up and down carriage, have: rope sheave, around hanging with hoist cable；Brake disc carries out rotation driving together with rope sheave；And electro-magnetic braking device, it includes in internal first iron plate with coil, and the energization to coil is magnetically drawn the second iron plate to the first iron plate side, is pressed against the brake(-holder) block of brake disc and spring for brake(-holder) block to be pressed into brake disc, electro-magnetic braking device has supporting part in the position of the periphery than the first iron plate in the outer part, and spring is arranged between supporting part and the second iron plate.
Description
Technical field
The present invention relates to hoist engine and lift appliances, and the electromagnetism being suitably applied in the hoist engine of such as lift appliance
Brake apparatus.
Background technique
In the past, the bearing of the reel of wound skein product and pivot suspension reel was set as the electro-magnetic braking device of hoist engine
One unit, the unit individually have the construction for being attached to electro-magnetic braking device.Therefore, make hoist engine main body and electromagnetic braking
The overall construction that device merges becomes complicated, it is difficult to realize the densification of the volume of electro-magnetic braking device.
In recent years, the structure as the electro-magnetic braking device of the miniaturization of realization device, discloses in fixed iron piece
The construction (referring to patent document 1) of portion's configuration spring.
Citation
Patent document 1: Japanese Unexamined Patent Publication 2000-230593 bulletin
However, in the technology described in patent document 1, in order to configure spring in the inside of fixed iron piece, needing to make magnetic
The area of pole-face increases the amount in the occupied region of configuration, and fixed iron piece becomes large-sized.In addition, for example in large capacity hoist engine
Electromagnetic brake in, need to increase magnetic pole area to obtain big output, therefore, fixed iron piece becomes large-sized.In this way,
There are problems that the scantling of fixed iron piece can become larger.
Summary of the invention
The present invention is to consider above point and complete, and providing a kind of can be realized the iron plate for electromagnetic brake
The hoist engine of miniaturization.
In order to solve the above problems, the present invention is a kind of hoist engine, is set to lift appliance, is rolled by and connects with carriage
The hoist cable of knot and go up and down the carriage, which has: rope sheave, around hanging with the hoist cable；Brake disc, with the rope
Wheel carries out rotation driving together；And electro-magnetic braking device, it includes in internal first iron plate with coil, by institute
State the energization of coil and be magnetically drawn the second iron plate of first iron plate side, the brake(-holder) block that is pressed against the brake disc,
And the spring for the brake(-holder) block to be pressed into the brake disc, the electro-magnetic braking device is than first iron plate
The position of periphery in the outer part has supporting part, and the spring is arranged between the supporting part and second iron plate.
Invention effect
In accordance with the invention it is possible to realize the miniaturization of the iron plate for electromagnetic brake.
Detailed description of the invention
Fig. 1 is the synoptic diagram for being shown provided with the structure of the lift appliance of hoist engine of first embodiment.
Fig. 2 is the main view for showing the structure of hoist engine of first embodiment.
Fig. 3 is the side view for showing the structure of hoist engine of first embodiment.
Fig. 4 is the side sectional view of the electro-magnetic braking device of first embodiment.
Fig. 5 is the first iron plate of first embodiment and the side view of board member.
Fig. 6 is the first iron plate of first embodiment and the front section view of board member.
Description of symbols:
1 ... liftway, 2 ... Machine Rooms, 3 ... carriages, 4 ... balance weights, 5 ... hoist engines, 6 ... local derviations
Wheel, 7 ... hoist cables, 8 ... brake discs, 9 ... electro-magnetic braking devices, 13 ... rope sheaves, 17 ... first iron plates, 18 ... lines
Circle, 19 ... second iron plates, 20 ... first springs, 21a, 21b ... brake(-holder) block, 22 ... board members.
Specific embodiment
Hereinafter, one embodiment of the present invention is described in detail referring to attached drawing.
(1) first embodiment
The structure of the lift appliance of present embodiment is illustrated referring to Fig.1.Fig. 1 shows and builds object structure being formed in
The top of interior liftway 1 has the elevator configuration of Machine Room 2.As shown in Figure 1, lift appliance has in liftway 1
Carriage 3, balance weight 4, the hoist engine 5 being set in Machine Room 2, deflector sheave 6 and the hoist cable 7 of lifting.Hoist engine 5 is set to electricity
Ladder device, be rolled by with carriage 3 link hoist cable 7 and make carriage 3 go up and down.More specifically, the configuration of hoist engine 5 is in Machine Room
In 2, go up and down carriage 3 and balance weight 4 in the form of well-bucket via hoist cable 7.
Then, hoist engine 5 is illustrated referring to Fig. 2 and Fig. 3.Fig. 2 is the main view of hoist engine 5, and Fig. 3 is hoist engine
5 side view.
As shown in Fig. 2, hoist engine 5 is formed on fixed pedestal 10, it is respectively fixed in fixed pedestal 10 and is configured at driving
Pedestal 12 and pedestal 14 near motor 11.Be provided between pedestal 12 and pedestal 14 around hung and carriage 3 connect
The rope sheave 13 and diameter of the hoist cable 7 of the knot brake disc 8 bigger than rope sheave 13.The brake disc 8 carries out rotation drive with rope sheave 13 together
It is dynamic.In addition, as shown in figure 3, being equipped with the electricity braked to the driving of brake disc 8 in the bearing arm 15 for being formed in pedestal 14
Magnetic detents 9.
Then, electro-magnetic braking device 9 is illustrated referring to Fig. 4.Fig. 4 is the front section view of electro-magnetic braking device 9.
In Fig. 4, bearing arm 15 is provided with the guide portion for that can slide the guidance of brake main part 16
25 and by limiting member 23 be fixed on bearing arm 15 fixing component 26.
It is connected with brake main part 16 in guide portion 25, which can be along vertical relative to brake disc 8
To moving back and forth and (moving in parallel), brake main part 16 and the first iron plate 17 and pin 27 link histogram.On pin 27
It is provided with base 28b, base 28b is provided with brake(-holder) block 21b.It is provided in the position of the periphery than the first iron plate 17 in the outer part
By the board member 22 not constituted by the substance that electromagnet attracts.In addition, brake main part 16 has bearing 29.In this way, braking
Device main part 16, the first iron plate 17, pin 27, base 28b, brake(-holder) block 21b, board member 22 and bearing 29 (the first iron plate group) shape
It is integrally formed.
In addition, bearing 29 can vertically move back and forth the bearing of coupling member 30 relative to brake disc 8
(moving in parallel), second iron plate of the connection of coupling member 30 19 and base 28a.It is provided in the second iron plate 19 for making the first iron plate
17 and second the mutual sliding (moving in parallel) of iron plate 19 connecting rod 31, base 28a is provided with brake(-holder) block 21a.In this way, connection
Component 30, the second iron plate 19, base 28a, brake(-holder) block 21a and connecting rod 31 (the second iron plate group) are formed as one.
In addition, as shown in figure 4, the board member 22 and the second iron plate 19 that are arranged in the outer part in the periphery than the first iron plate 17 it
Between be configured with the first spring 20, board member 22 (more specifically, being installed on the plate of board member 22) and limiting member 23 it
Between be configured with second spring 24.In addition, the first iron plate 17 has coil 18 in inside.In the present embodiment, as bearing the
An example of the supporting part of one spring 20, is illustrated, but supporting part is not limited to plate by taking board member 22 as an example, is also possible to case
The others shape such as shape, H shape.
(when coil is non-energized)
When not making the coil 18 for being built in the first iron plate 17 be powered, by the spring force of the first spring 20, will be configured to
In the two sides of brake disc 8, opposed brake(-holder) block 21a, 21b press on brake disc 8.More specifically, it is set in brake main part 16
It is equipped with bearing 29 and is connected with guide portion 25, therefore, by the spring force of the first spring 20, the second iron plate group is to brake disc 8
Direction (first direction) is moved, and the first iron plate group moves in the opposite direction (second direction) to the party, thus relative to system
Moving plate 8 vertically presses brake(-holder) block 21a, 21b, keeps the rotation of rope sheave 13 static.
(when coil energization starts)
When the coil 18 for making to be built in the first iron plate 17 is powered, due to 17 to the second iron plate of the first iron plate, 19 weight,
Second iron plate 19 is magnetically drawn to 17 side of the first iron plate, and the second iron plate 19 is moved to the direction (second direction) opposite with brake disc 8
Dynamic, brake(-holder) block 21a is separated with brake disc 8.
It touching moreover, being supported by the second iron plate 19 in limiting member 23, the second iron plate 19 is mobile without 17 side of the first iron plate of normal direction,
Therefore, the first iron plate 17 is mobile to 19 side of the second iron plate, i.e., mobile to the direction (first direction) of brake disc 8.Along with first
The movement of iron plate 17, brake main part 16 and brake(-holder) block 21b are similarly mobile to the direction of brake disc 8, brake(-holder) block 21b
It is separated with brake disc 8.
(at the end of coil is powered)
After the energization of coil 18 disconnects, the second iron plate 19 pushes 8 side of brake disc (first direction) to by the first spring 20, by
This brake(-holder) block 21a connecting with the second iron plate 19 is pushed to 8 side of brake disc (first direction), to touching in brake disc 8.Then,
One iron plate 17 mainly pushes the side opposite with brake disc 8 (second direction) to by second spring 24, connect with the first iron plate 17
Brake main part 16 is also mobile to second direction, and thus brake(-holder) block 21b is supported and touched in brake disc 8.According to above structure, brake(-holder) block
21a, 21b will not only to touching, (in other words, two sides of brake(-holder) block 21a, 21b press on brake disc 8 to either one unilateral and brake disc 8
Mode).
Fig. 5 is the side view for being set to the first iron plate 17 and board member 22 of the electro-magnetic braking device 9 of hoist engine 5.
In the setting of board member 22 that the periphery than the first iron plate 17 is arranged in the outer part, there are six spring eyes 32.By in plate structure
The spring eye 32 of part 22 configures the first spring 20, in the internal side diameter and outside diameter of the coil 18 for the inside for being set to the first iron plate 17
Region, that is, suction surface 33 (magnetic pole strength) on, become the state for the component not being configured.
In addition, be provided with groove portion 34 in the first iron plate 17, until the inside 35 that coil 18 is inserted into groove portion 34 and tree is injected
Rouge.
Fig. 6 is the front cross-sectional for being set to the first iron plate 17 and board member 22 of the electro-magnetic braking device 9 of hoist engine 5
Figure.
As shown in fig. 6, the first iron plate 17 is greater than the outer diameter of 33 side of suction surface with the outer diameter of the side opposite with suction surface 33
Mode form stepped part.The cascaded surface 36 parallel with suction surface 33 is provided in stepped part.
First iron plate 17 is fixed and being pressed into board member 22.Indentation connect to cascaded surface 36 with board member 22
Until.When the first iron plate 17 is pressed into board member 22, the face of the board member 22 to connect with the first iron plate 17 i.e. rubbing surface 37
The position of stepped part side (inboard) is leaned in the inside 35 of the groove portion 34 for being provided with coil 18 than the first iron plate 17.That is, not being
What the first iron plate 17 was pressed into the first iron plate 17 of the inside at the position of board member 22 is internally provided with coil 18.
As described above, by the way that board member 22 to be arranged on the periphery of the first iron plate 17, and in the setting of board member 22 the
One spring 20, to no longer therefore the diameter of the first iron plate 17 can be reduced this in the presence of the component for being configured at suction surface 33 and matched
The amount in the region set can be realized the miniaturization of the first iron plate 17.
In the past, magnetic field was interfered because being set to the spring of inside of fixed iron piece (iron plate corresponding with the first iron plate 17),
There is a problem of being difficult to make attraction stable.This point in the present embodiment, since bullet is arranged in the external of the first iron plate 17
Spring 20, there is no the components for being configured at suction surface 33, therefore, with phase the case where spring 20 are arranged in the inside of the first iron plate 17
Than, it can be ensured that stable attraction can be realized the stabilisation of attraction.In addition, the stabilisation by attraction can
Therefore the enlargement of the first iron plate 17 can be mitigated by improving magnetic flux density.In this way, according to the present embodiment, can be improved electromagnetism
The performance of brake 9.
In addition, fixed iron piece is formed by metal material in the past, thus, it is supposed that forming the first iron plate by a metal material
In the case where 17 shapes being integrally formed with board member 22, large-scale metal material is needed.This point in the present embodiment, by
It does not work in attraction of the board member 22 to electromagnet, therefore, the first iron plate of split settings 17 is not ask with board member 22
Topic, without material identical with the first iron plate 17.Therefore, it by the first iron plate of split settings 17 and board member 22, produces
As long as it is enough can to make the molding size (size) of the first iron plate 17 for metal material needed for the formation of the iron plate of raw adsorption capacity,
Therefore, the case where size of required metal material can be than being integrally formed is small.
In addition, magnetic field is interfered by screw etc. in the case where securing the first iron plate 17 with board member 22 using screw etc.,
Thus output that sometimes cannot be stable, but by the first iron plate of indentation 17 and board member 22, not only in suction surface 33, in coil
18 peripheral portion will not influence magnetic field, therefore, can obtain stable attraction.But it as long as can fully ensure
Output can also just be fixed the first iron plate 17 and board member 22 by screw etc..
In addition, intrusion immobilization can be made by contacting the cascaded surface 36 of stepped part with board member 22.By making to press
Enter amount immobilization, the deflection of the first spring 20 is also capable of fixing.In addition, fixed in the deflection that can make the first spring 20
In the case of, it can not also be pressed into, and be greater than by using the opposite side of suction surface 33 for the outer diameter for the first iron plate 17 and inhale
Draw the construction of 33 side of face, to be fitted into board member 22 in such a way that board member 22 is not fallen off.
In addition, can then prevent board member 22 from falling off under the action of the elastic force of the first spring 20 according to stepped part.
But in the case where board member 22 will not fall off because of the elastic force of the first spring 20, it can also be not provided with stepped part, make
The outer diameter of one iron plate 17 is fixed.
In addition, the rubbing surface 37 of board member 22 passes through in the inside of the groove portion 34 for being provided with coil 18 than the first iron plate 17
35 are pressed by inboard, therefore the resin that being pressed into caused power will not be applied to around covering coil 18 can prevent from setting
Rouge rupture.
(2) other embodiments
It should be noted that in the above method, illustrating the electro-magnetic braking device 9 for applying the present invention to hoist engine 5
The case where, but the present invention is not limited to this, can be widely used in other various electro-magnetic braking devices.
In addition, in the above-described embodiment, illustrating that the case where there are two electro-magnetic braking device 9 is arranged, but the present invention is not
It is confined to this, electro-magnetic braking device 9 may be one, can also be three or more.
In addition, in the above-described embodiment, illustrating that there are six the first springs 20 in a setting of electro-magnetic braking device 9
Situation, but the present invention is not limited to this, and an electro-magnetic braking device 9 can also have first spring 20, can also have
Multiple first springs 20 other than six.In addition, in the case where being provided with multiple first spring 20, perfectly even (such as it is right
Claim, be impartial) configure each first spring 20.
In addition, in the above-described embodiment, illustrating that the first iron plate 17 has the case where stepped part, but the present invention does not limit to
In this, the first iron plate 17 may not possess stepped part, and use the shapes such as the frustum of a cone, the frustum of a pyramid.
In addition, in the above-described embodiment, illustrating in the end opposite with the end of suction surface 33 of the first iron plate 17
Has the case where stepped part, but the present invention is not limited to this, stepped part also can be set in the first iron plate 17 and suction surface 33
The opposite side in end any position.
In addition, in the above-described embodiment, illustrating that electro-magnetic braking device 9 has stepped part in the periphery of the first iron plate 17
The case where, but the present invention is not limited to this, and electro-magnetic braking device 9 can also be in the outside (a part of periphery) of the first iron plate 17
Have one or more stepped parts.
In addition, in the above-described embodiment, illustrating to be pressed into using the positions different from stepped part of the first iron plate 17
The case where board member 22, but the present invention is not limited to this, and the stepped part that also can use the first iron plate 17 is pressed into board member 22.
In addition, in the above-described embodiment, the case where illustrating setting brake(-holder) block 21a (base 28a), but the present invention not office
It is limited to this, it can also be using the structure that multiple brake(-holder) block 21a (base 28a) are arranged.
In addition, in the above-described embodiment, the case where illustrating setting brake(-holder) block 21b (base 28b), but the present invention not office
It is limited to this, it can also be using the structure that multiple brake(-holder) block 21b (base 28b) are arranged.
Claims (6)
1. a kind of hoist engine, is set to lift appliance, be rolled by with the hoist cable of carriage connection and go up and down the carriage,
It is characterized in that,
The hoist engine has:
Rope sheave, around hanging with the hoist cable；
Brake disc carries out rotation driving together with the rope sheave；And
Electro-magnetic braking device, include internal first iron plate with coil, by and the energization of the coil by magnetic
Guide to the second iron plate of first iron plate side, be pressed against the brake disc be respectively arranged at first iron plate and institute
The brake(-holder) block of the second iron plate and the spring for the brake(-holder) block to be pressed into the brake disc are stated,
The electro-magnetic braking device has supporting part in the position of the periphery than first iron plate in the outer part,
The spring is arranged between the supporting part and second iron plate.
2. hoist engine according to claim 1, which is characterized in that
First iron plate is pressed into the supporting part.
3. hoist engine according to claim 2, which is characterized in that
In the coil that is internally provided with of first iron plate, the inside of first iron plate is not that first iron plate is pressed
Enter the inside to the position of the supporting part.
4. hoist engine according to any one of claim 1 to 3, which is characterized in that
For the outer diameter of first iron plate, the opposite side of the attraction surface side of second iron plate is attracted to be greater than the attraction
Surface side.
5. hoist engine according to claim 4, which is characterized in that
It is provided with stepped part on first iron plate, so that for the outer diameter of first iron plate, attracts described the
The opposite side of the attraction surface side of two iron plates is greater than the attraction surface side,
First iron plate, which is connected by the supporting part with the stepped part, is pressed into the supporting part.
6. a kind of lift appliance, which is characterized in that
The lift appliance has hoist engine described in claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017041113A JP6684739B2 (en) | 2017-03-03 | 2017-03-03 | Hoisting machine and elevator equipment |
| JP2017-041113 | 2017-03-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108529402A CN108529402A (en) | 2018-09-14 |
| CN108529402B true CN108529402B (en) | 2019-11-08 |
Family
ID=63488904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711133539.4A Active CN108529402B (en) | 2017-03-03 | 2017-11-15 | Hoist engine and lift appliance |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6684739B2 (en) |
| CN (1) | CN108529402B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7262652B1 (en) | 2022-08-30 | 2023-04-21 | 三菱電機ビルソリューションズ株式会社 | Elevator braking device and inspection method for elevator braking device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000007254A (en) * | 1998-06-17 | 2000-01-11 | Hitachi Ltd | Magnet brake device |
| JP2000230593A (en) * | 1999-02-10 | 2000-08-22 | Hitachi Ltd | Braking device for elevator hoisting machine |
| CN100460306C (en) * | 2001-07-05 | 2009-02-11 | 三菱电机株式会社 | Elevator drag machine and braker thereof |
| JP4812544B2 (en) * | 2006-06-28 | 2011-11-09 | 株式会社日立製作所 | Elevator hoisting machine |
| KR101250030B1 (en) * | 2009-06-12 | 2013-04-03 | 미쓰비시덴키 가부시키가이샤 | Brake device for elevator hoist |
| JP2012051693A (en) * | 2010-09-01 | 2012-03-15 | Hitachi Ltd | Elevator hoisting machine |
| JP6335820B2 (en) * | 2015-03-13 | 2018-05-30 | 株式会社日立ビルシステム | Magnet brake device disassembly / assembly jig |
-
2017
- 2017-03-03 JP JP2017041113A patent/JP6684739B2/en active Active
- 2017-11-15 CN CN201711133539.4A patent/CN108529402B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108529402A (en) | 2018-09-14 |
| JP6684739B2 (en) | 2020-04-22 |
| JP2018144936A (en) | 2018-09-20 |
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