CN105090295B - Electro-magnetic braking device and the lift appliance using the electro-magnetic braking device - Google Patents
Electro-magnetic braking device and the lift appliance using the electro-magnetic braking device Download PDFInfo
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- CN105090295B CN105090295B CN201510235962.XA CN201510235962A CN105090295B CN 105090295 B CN105090295 B CN 105090295B CN 201510235962 A CN201510235962 A CN 201510235962A CN 105090295 B CN105090295 B CN 105090295B
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Abstract
Electro-magnetic braking device and the lift appliance using the electro-magnetic braking device.Electro-magnetic braking device (1) has movable member (2) and fixing piece (3), and movable member (2) relative to fixing piece (3) in a manner that rotary shaft (4) is rotation center rotation can be installed.Near the rotary shaft (4) of movable member (2), the non-magnetic part (5a) as non magnetic portion (5) is installed in a manner of the recess portion that movable member (2) are formed in be embedded to.
Description
Technical field
The present invention relates to electro-magnetic braking device and use the lift appliance of the electro-magnetic braking device more particularly to use electromagnetism
The electro-magnetic braking device of iron and the lift appliance using this electro-magnetic braking device.
Background technology
One kind of drive system as rope (rope) formula lift appliance has utilization to drive rope sheave (sheave) and rope
Between frictional force towed (traction) drive system.In the lift appliance of this mode, car and counterweight are connected
Rope driving rope sheave is hung in a manner of transfusion bottle, by rotating driving rope sheave, car lifted.On the other hand, pass through
The rotation for driving rope sheave is braked, car stationary.The braking of rope sheave is driven using the electro-magnetic braking device using electromagnet.
Electro-magnetic braking device is used for the system using lift appliance as the driving rope sheave of the moving bodys such as representative, automobile and train
It is dynamic.As the example for the patent document for disclosing this electro-magnetic braking device, there are Japanese Unexamined Patent Publication 2008-128430 bulletins and day
Ben Tebiao 2005-519465 bulletins.It proposes in Japanese Unexamined Patent Publication 2008-128430 bulletins and is driven by electromagnetic actuators
Dynamic brake apparatus.Being proposed in Japanese Unexamined Patent Application Publication 2005-519465 bulletins carries out engine valve (engine valve)
The direct solenoid actuator of action.
For electro-magnetic braking device, it should ensure brake force, minimize electro-magnetic braking device again.
Invention content
The present invention be exactly completed as a ring of this research and development, the first purpose is, provide can realize it is small-sized
The electro-magnetic braking device of change, another purpose are, provide the lift appliance using such electro-magnetic braking device.
The electro-magnetic braking device of the present invention has fixing piece, movable member, rotary shaft, coil, elastic portion, rotating member
(rotor) and non magnetic portion.Movable member is arranged as opposed to fixing piece, is propped up in a manner of it can be rotated relative to fixing piece
It holds.Coil generation makes movable member to the magnetic flux rotated close to the side of fixing piece.Elastic portion, which has, makes movable member be fixed to separate
The active force of the side rotation of part.By the way that movable member is made to rotate to implement to brake to rotating member to the side far from fixing piece, lead to
Crossing makes movable member release and brake to rotating member to close to the rotation of the side of fixing piece.Non magnetic portion is set on fixing piece and movable member
In at least any one party.The side of rotation center of the non magnetic portion's configuration when being rotated as movable member relative to fixing piece.
The lift appliance of the present invention has above-mentioned electro-magnetic braking device, also with car and the traction for lifting car
Machine.Electro-magnetic braking device is configured at traction machine.
Electro-magnetic braking device according to the present invention, by that with non magnetic portion, electromagnetic torque can be improved, contribute to electromagnetism
The miniaturization of brake apparatus.
Lift appliance according to the present invention, electro-magnetic braking device has non magnetic portion, thereby, it is possible to improve electromagnetic torque,
Contribute to the miniaturization of electro-magnetic braking device.
Above and other purpose, feature, aspect and the advantage of the present invention, according to can associatedly understand with attached drawing related
The following detailed description of invention will be apparent from.
Description of the drawings
Fig. 1 is the figure for the construction for schematically illustrating lift appliance, which is to use the embodiments of the present invention
Electro-magnetic braking device device an example.
Fig. 2 is the vertical view of the electro-magnetic braking device used in the traction machine for show lift appliance shown in FIG. 1.
Fig. 3 is the sectional view of the 1st state of the electro-magnetic braking device for schematically illustrating embodiments of the present invention 1.
Fig. 4 is the sectional view for the 2nd state for schematically illustrating the electro-magnetic braking device in the embodiment.
Fig. 5 is the stereogram for the 1st state for showing the electro-magnetic braking device in the embodiment.
Fig. 6 is the side view for the 1st state for showing the electro-magnetic braking device in the embodiment.
Fig. 7 be by the relationship of magnetic flux density when attracting in the embodiment and distance away from rotary shaft together with comparative example
The curve graph shown.
Fig. 8 is the curve graph for showing electromagnetic torque when attracting in the embodiment together with comparative example.
Fig. 9 is the sectional view of magnetic flux when attracting in the electro-magnetic braking device for be schematically illustrated in comparative example.
Figure 10 is the sectional view for schematically illustrating magnetic flux when attracting in the embodiment.
Figure 11 is the stereogram for the 2nd state for showing the electro-magnetic braking device in the embodiment.
Figure 12 is by the relationship of magnetic flux density when being kept in the embodiment and the distance away from rotary shaft and comparative example one
Act the curve graph shown.
Figure 13 is the curve graph for showing electromagnetic torque when being kept in the embodiment together with comparative example.
Figure 14 is to show electromagnetic torque and the curve graph of the relationship of non-magnetic part width in the embodiment.
Figure 15 is the sectional view of the 1st state of the electro-magnetic braking device for schematically illustrating embodiments of the present invention 2.
Figure 16 is the sectional view for the 2nd state for schematically illustrating the electro-magnetic braking device in the embodiment.
Figure 17 is the sectional view for the electro-magnetic braking device for schematically illustrating embodiments of the present invention 3.
Figure 18 is the sectional view for the electro-magnetic braking device for schematically illustrating embodiments of the present invention 4.
Figure 19 is the sectional view for the electro-magnetic braking device for schematically illustrating embodiments of the present invention 5.
Figure 20 is the sectional view of the 1st state of the electro-magnetic braking device for schematically illustrating embodiments of the present invention 6.
Figure 21 is the sectional view for the 2nd state for schematically illustrating the electro-magnetic braking device in the embodiment.
Figure 22 is the stereogram for the 1st state for showing the electro-magnetic braking device in the embodiment.
Figure 23 is by the relationship of magnetic flux density when attracting in the embodiment and the distance away from rotary shaft and comparative example one
Act the curve graph shown.
Figure 24 is the curve graph for showing electromagnetic torque when attracting in the embodiment together with comparative example.
Figure 25 is the stereogram for the 2nd state for showing the electro-magnetic braking device in the embodiment.
Figure 26 is by the relationship of magnetic flux density when being kept in the embodiment and the distance away from rotary shaft and comparative example one
Act the curve graph shown.
Figure 27 is the curve graph for showing electromagnetic torque when being kept in the embodiment together with comparative example.
Figure 28 is the sectional view for the electro-magnetic braking device for schematically illustrating embodiments of the present invention 7.
Figure 29 is the sectional view of the 1st state of the electro-magnetic braking device for schematically illustrating embodiments of the present invention 8.
Figure 30 is the sectional view for the 2nd state for schematically illustrating the electro-magnetic braking device in the embodiment.
Figure 31 is the stereogram for the 1st state for showing the electro-magnetic braking device in the embodiment.
Figure 32 is by the relationship of magnetic flux density when attracting in the embodiment and the distance away from rotary shaft and comparative example one
Act the curve graph shown.
Figure 33 is the curve graph for showing electromagnetic torque when attracting in the embodiment together with comparative example.
Figure 34 is the stereogram for the 2nd state for showing the electro-magnetic braking device in the embodiment.
Figure 35 is by the relationship of magnetic flux density when being kept in the embodiment and the distance away from rotary shaft and comparative example one
Act the curve graph shown.
Figure 36 is the curve graph for showing electromagnetic torque when being kept in the embodiment together with comparative example.
Figure 37 is the stereogram of the electro-magnetic braking device of embodiments of the present invention 9.
Figure 38 is the stereogram for the construction for showing the fixing piece in the embodiment.
Specific embodiment
First, illustrate the summary of the tractor elevator device of an example as the device using electro-magnetic braking device.
As shown in Figure 1, in tractor elevator device 100, the car 101 and counterweight 102 that people etc. takes are by steel wire rope
The connections of (wire rope) 103.Steel wire rope 103 is hung on the pulley (not shown) of traction machine 104.By controlling traction machine 104
Driving, car 101 lifted.
Traction machine 104 has the electro-magnetic braking device 1 braked to the driving of traction machine 104.As shown in Fig. 2, electromagnetism
Brake apparatus 1 has movable member 2 and a fixing piece 3, and in the inner circumferential side for the brake drum (brake drum) connect with rotating member 8 and
8 arranged coaxial of rotating member.Coil 6 is equipped in fixing piece 3.Brake shoe (shoe) 10 is installed on movable member 2, pacifies in the brake shoe 10
Equipped with liner (lining) 9.In addition, movable member 2 and fixing piece 3 are formed such as the magnetic material as iron.
By the way that liner 9 is made to leave rotating member 8 (brake drum), braking is released from.In release, by swashing to coil 6
It encourages, 2 fixture 3 of movable member attracts.On the other hand, by the way that liner 9 is made to contact rotating member 8, braking maneuver is carried out.It is being made
During action, by stopping the electric current for flowing through coil 6, the movable member 2 of liner 9 is installed due to the spring 7 as elastic portion
Active force and be pushed out, liner 9 contact rotating members 8.In the following, illustrate the construction of electro-magnetic braking device.
Embodiment 1
The electro-magnetic braking device of embodiment 1 is illustrated.Fig. 3 schematically illustrates electro-magnetic braking device 1 and is acted
The state state of braking (apply), Fig. 4 schematically illustrates the state that electro-magnetic braking device 1 is released from.As shown in Figure 3 and Figure 4,
Electro-magnetic braking device 1 have movable member 2 and fixing piece 3, movable member 2 with can relative to fixing piece 3 with rotary shaft 4 for rotation in
The heart and the mode that rotates are installed.Non-magnetic part as non magnetic portion 5 is installed near the rotary shaft 4 of movable member 2
5a.Non-magnetic part 5a is installed in a manner of the recess portion (or ladder) of movable member 2 is formed in be embedded to.
In addition, in the electro-magnetic braking device 1, the construction for being equipped with rotary shaft 4 is listed, but rotation must be not necessarily installed
Shaft.As long as movable member 2 is installed, such as movable member 2 can also match in a manner of it can be rotated relative to fixing piece 3
Being set to can be rotated using the one end of fixing piece 3 as rotation center.This is for the electro-magnetic braking device of other embodiment
It is also same.
The spring 7 that movable member 2 exerts a force is mounted between fixing piece 3 and movable member 2 towards 8 side of rotating member.In movable member 2
Brake shoe 10 and liner 9 are installed.As shown in figure 3, rotating member 8 is pressed by padding 9 using the elastic force of spring 7, thus to turning
Moving part 8 applies braking.In addition, the direction of rotation of rotating member 8 be from paper nearby side towards inboard or its opposite direction.Separately
Outside, in the electro-magnetic braking device 1, spring 7 is listed, but elastic portion is not limited to spring, such as can also make as elastic portion
With elastomers such as vulcanies (rubber).
Coil 6 (with reference to Fig. 5) is installed in fixing piece 3.By it being made to generate magnetic flux coil energization, in movable member 2
Attraction is generated between fixing piece 3, movable member 2 transfers touch fasteners for rotation center with rotary shaft 4 to 3 sidespin of fixing piece
3.It is simultaneously rotated at this point, being installed on liner 9 of movable member 2 etc., gap (gap) is formed between liner 9 and rotating member 8, turned
The braking of moving part 8 is released from.
In electro-magnetic braking device 1, the size of the electromagnet about number cm that are made of movable member 2 and fixing piece 3~tens of
cm.Also, the gap at the center of movable member 2 is about 0.1mm~0.5mm.Therefore, it is large shown in figure 3 by movable member 2
The angle (rotation angle) formed with fixing piece 3.
About the thickness of non-magnetic part 5a, it is expected to be set to sufficiently large compared with gap, thus be preferably set to about 20mm
~30mm.In addition, according to the relationship between the thickness of movable member 2, if the thickness of non-magnetic part 5a is blocked up, movable member
The sectional area of magnetic circuit in 2 reduces, and the magnetic resistance of movable member 2 increases, and total magnetic flux is caused to decline.It is therefore preferable that non-magnetic part
The thickness ratio of 5a is relatively thin.As non-magnetic part 5a, such as metals, the glass epoxies such as nonmagnetic stainless steel can be used
Composite materials or ceramics etc. such as (glass epoxy).
In the following, the action of electro-magnetic braking device 1 is described in more detail.When Fig. 5 shows to make the electro-magnetic braking device 1 act (preceding)
Fixing piece 3 and movable member 2 stereogram.Coil 6 is wound in the central part of the fixing piece 3 of E shapes.Here, set the circle of coil 6
Number is 500 circles.The length Lx of fixing piece 3 is, for example, 40mm, and length Ly is, for example, 112mm.Non-magnetic part 5a is along length Ly
Direction is embedded to the recess portion for being formed in 2 end of movable member.From the side for being configured with rotary shaft 4 of movable member 2 (or as rotation
The side at center) end to the end of the opposite side for the side (or side as rotation center) for being configured with rotary shaft 4
Length (width of movable member 2), it is suitable with the length Lx of fixing piece 3.
By it being made to generate magnetic flux the energization of coil 6, attraction, movable member 2 are generated between movable member 2 and fixing piece 3
It is rotated with rotary shaft 4 for rotation center to 3 side of fixing piece, gap, the braking of rotating member 8 is formed between liner 9 and rotating member 8
It is released from.
Here, the relationship of the magnetic flux density of gap location between movable member 2 and fixing piece 3 and the distance away from rotary shaft 4
It illustrates.The electric current being powered to coil 6 is set as 2A, also, be as shown in Figure 6 set as the thickness T of non-magnetic part 5a
2mm, evaluation result when its width L to be set as to 5mm and 10mm are as shown in Figure 7.
As shown in fig. 7, when the width L of non-magnetic part 5a is set as 10mm the result of (situation A) as shown in curve A,
The result of (situation B) is as curveb when the width L of non-magnetic part 5a is set as 5mm.Also, as comparative example, do not have
The result of (situation C) is as illustrated by curve c when having non-magnetic part.In addition, at the center (length Lx=20mm) of movable member 2 can
The gap of moving part 2 and fixing piece 3 is 0.2mm, and the gap of the end (length Lx=40mm) of movable member 2 is 0.4mm.
It is 5mm in the distance away from rotary shaft 4 as curveb it is found that in the case where non-magnetic part width L is 5mm
In the range of, the magnetism gap of movable member 2 and fixing piece 3 is more than the thickness (2mm) of non-magnetic part 5a, thus magnetic flux density
As low as about 0.3T.On the other hand, in the range of the distance away from rotary shaft 4 is more than 5mm, magnetic flux density is higher than without non magnetic
The magnetic flux density of (situation C) during the comparative example of component.
In addition, as shown in curve A it is found that in the case where the width L of non-magnetic part 5a is 10mm, away from rotary shaft 4
Distance in the range of 10mm, magnetic flux density as low as about 0.3T.On the other hand, in the distance away from rotary shaft 4 more than 10mm's
In the range of, the magnetic flux density of (situation B) when width L of the magnetic flux density higher than non-magnetic part 5a is 5mm.
In the following, illustrate the electromagnetic torque around the rotary shaft 4 of movable member 2.As shown in Figure 8 it is found that without non magnetic portion
The electromagnetic torque during comparative example of part is 23Nm, and electromagnetic torque when non-magnetic part width L is 5mm increases to 27Nm.Separately
Outside, the electromagnetic torque when width L of non-magnetic part 5a is 10mm is further increased to 29Nm.
According to these as a result, in the electro-magnetic braking device of the comparative example without non-magnetic part, as shown in figure 9, magnetic
Flux density 150 reduces together with the distance away from rotary shaft 4, and in the electro-magnetic braking device of the embodiment with non-magnetic part
In, as shown in Figure 10, can increase the distance away from rotary shaft 4 makes it more than the magnetic flux density in the range of non-magnetic part width
Magnetic flux density during more than comparative example.As a result, the electromagnetism for rotating movable member 2 and attracting to 3 side of fixing piece can be increased
Torque as electro-magnetic braking device, can improve the ability for releasing braking.
In the following, according to the above situation A~C, after explanation makes the brake release of electro-magnetic braking device 1 as shown in figure 11 respectively
The relationship of the magnetic flux density of gap location between under state, movable member 2 and fixing piece 3 and the distance away from rotary shaft 4.In addition,
State shown in the Figure 11 is the state that movable member 2 and fixing piece 3 substantially engage each other closely, be electromagnetic torque be more than be based on
The torque of spring 7 and keep braking state.
As shown in figure 12, the result of (situation A) is as shown in curve A when the width L of non-magnetic part 5a being set as 10mm,
The result of (situation B) is as curveb when the width L of non-magnetic part 5a is set as 5mm.As comparative example, without non-
The result of (situation C) is as illustrated by curve c during magnetic part.In addition, the electric current being powered to coil 6 is set as 2A.
First, as illustrated by curve c it is found that in the comparative example without non-magnetic part, with the distance away from rotary shaft 4 without
It closes, magnetic flux density is generally uniform.As curveb it is found that in the case where non-magnetic part width L is 5mm, away from rotary shaft
In the range of 4 distance is 5mm, magnetic flux density as low as about 0.2T.On the other hand, it is more than the model of 5mm in the distance away from rotary shaft 4
In enclosing, the magnetic flux density of (curve C) when magnetic flux density is higher than the comparative example without non-magnetic part.
It is found that in the case where non-magnetic part width L is 10mm as shown in curve A, it is in the distance away from rotary shaft 4
In the range of 5mm, magnetic flux density as low as about 0.2T.On the other hand, in the range of the distance away from rotary shaft 4 is more than 5mm, magnetic flux
The magnetic flux density of (curve B) when width L of the density higher than non-magnetic part 5a is 5mm.
In the following, illustrate the electromagnetic torque around the rotary shaft 4 of movable member 2.As shown in figure 13 it is found that without non magnetic portion
The electromagnetic torque during comparative example of part is 38Nm, and electromagnetic torque when non-magnetic part width L is 5mm increases to 42Nm.Separately
Outside, the electromagnetic torque when width L of non-magnetic part 5a is 10mm is further increased to 45Nm.
According to these results it is found that in above-mentioned electro-magnetic braking device 1, by setting non-magnetic part 5a, Neng Gouzeng
Add the torque for rotating rotating member 2, additionally it is possible to increase the ability for maintaining braking hold mode.
The width L that non-magnetic part 5a has been illustrated in above-mentioned evaluation is the situation of 5mm and the situation of 10mm.Under
Face illustrates the relationship of the non-magnetic part width and electromagnetic torque.As shown in figure 14, the braking maneuver of electro-magnetic braking device is carried out
When (attraction) result as shown in curve A, by the result of the state (holding) after brake release as curveb.
As shown in curve A (holding) it is found that when non-magnetic part width is the 15mm than 10mm long, electromagnetic torque declines
To 44Nm.When and width longer in non-magnetic part width is 20mm, electromagnetic torque drastically drops to 41Nm.Understand that curve B (inhales
Draw) also can similarly it be inclined to.
The width 15mm of non-magnetic part 5a is suitable with about the 40% of the width of movable member 2.In this way, attracting movable member 2
When and when keeping movable member 2, preferably the width of non-magnetic part 5a is set to about the 12.5% of the width of movable member 2~
40% comparable width, to respectively obtain enough electromagnetic torques.
On the basis of result above, if coil is identical and electromagnetic torque is identical, and without non-magnetic part
The electro-magnetic braking device of comparative example is compared, and in the electro-magnetic braking device 1 with non-magnetic part 5a, can fill electromagnetic braking
Put 1 miniaturization.
In addition, if fixing piece is identical with the size of movable member and electromagnetic torque is identical, and without non-magnetic part
The electro-magnetic braking device of comparative example compare, in the electro-magnetic braking device 1 with non-magnetic part 5a, can reduce to coil
6 electric currents being powered reduce the number of turn of coil 6.
Embodiment 2
Explanation uses electro-magnetic braking device of the non-magnetic screws as non magnetic portion in embodiment 2.Figure 15 is schematically
The state that electro-magnetic braking device 1 is acted is shown, Figure 16 schematically illustrates the state that electro-magnetic braking device 1 is released from.Such as figure
Shown in 15 and Figure 16, in electro-magnetic braking device 1, the non-magnetic screws (screw) 11 as non magnetic portion 5 to be formed with being embedded to
It is installed in the mode of the recess portion (or ladder) of movable member 2.Non-magnetic screws 11 are for example installed on the one of 4 direction of rotary shaft
End side and another side this at two.In addition, recess portion is continuously formed (with reference to Figure 11) but it is also possible to be list along length Ly directions
It is formed in the position of the installation non-magnetic screws 11 other than the region surrounded by coil aly.
The part that non-magnetic screws 11 and fixing piece 3 contact with each other becomes rotary shaft 4 (or fulcrum).Also, fixed spiral shell
Nail 12 is mounted on the recess portion of movable member 2, and the height of non-magnetic screws 11 is adjusted using fixing screws 12.In addition, in addition to this
Structure is identical with Fig. 3 or electro-magnetic braking device shown in Fig. 4, thus marks identical label to same parts, in addition to necessary
Not repeated explanation except situation.
In the following, illustrate the action of above-mentioned electro-magnetic braking device 1.First, as shown in figure 15, it is set on not making current flow through
In the state of the coil (not shown) of fixing piece 3, movable member 2 is pushed out into 8 (reference of rotating member due to the active force of spring 7
Fig. 3) side mounted on liner 9 (with reference to Fig. 3) contact rotating member 8 of movable member 2, thus applies braking.
On the other hand, as shown in figure 16, it is made to generate magnetic flux by being powered to the coil for being set on fixing piece 3, in movable member 2
Attraction is generated between fixing piece 3, movable member 2 is rotated with rotary shaft 4 for rotation center to 3 side of fixing piece.Pass through movable member 2
It is rotated to 3 side of fixing piece, gap (with reference to Fig. 4) is formed between liner 9 and rotating member 8, braking is released from.
In above-mentioned electro-magnetic braking device 1, the non-magnetic screws 11 as non magnetic portion are installed on movable member 2.As a result,
It is identical with what is illustrated in the embodiment 1, the torque for rotating movable member 2 can be increased, the ability for releasing braking can be improved
With maintain the releasing after state ability.
On this basis, in above-mentioned electro-magnetic braking device 1, fixing screws 12 can be utilized to adjust non-magnetic screws 11
Height.Thus, for example non magnetic portion 5 height due to abrasion etc. and change in the case of etc., can be easily adjusted non-
The height of magnetic portion 5 can improve maintainability (maintenance).
Embodiment 3
The electro-magnetic braking device of embodiment 3 is illustrated.As shown in figure 17, in electro-magnetic braking device 1, as non-
The non-magnetic part 5a of magnetic portion 5 is installed on fixing piece 3, and non-magnetic part 5a is fixed on using fixing screws 12 and is formed in fixation
The slot of part 3.Recess portion is formed in non-magnetic part 5a, the head of fixing screws 12 is received to the recess portion.
Spacer (spacer) 13 is mounted between fixing piece 3 (slot) and non-magnetic part 5a.In addition, knot in addition to this
Structure is identical with Fig. 3 or electro-magnetic braking device shown in Fig. 4, thus marks identical label to same parts, in addition to necessary feelings
Not repeated explanation except condition.
In the following, illustrate the action of above-mentioned electro-magnetic braking device 1.First, the line set on fixing piece 3 is not being made current flow through
It encloses in the state of (not shown), movable member 2 is pushed out into rotating member 8 (with reference to Fig. 3) side, installation due to the active force of spring 7
In liner 9 (with reference to Fig. 3) contact rotating member 8 of movable member 2, thus apply braking.
On the other hand, as shown in figure 17, it is made to generate magnetic flux by being powered to the coil for being set on fixing piece 3, in movable member 2
Attraction is generated between fixing piece 3, movable member 2 is rotated with rotary shaft 4 for rotation center to 3 side of fixing piece.Pass through movable member 2
It is rotated to 3 side of fixing piece, gap (with reference to Fig. 4) is formed between liner 9 and rotating member 8, braking is released from.
In above-mentioned electro-magnetic braking device 1, the non-magnetic part 5a as non magnetic portion 5 is installed on fixing piece 3.By
This, it is identical with what is illustrated in the embodiment 1, the torque for rotating movable member 2 can be increased, the energy for releasing braking can be improved
Power and the ability for maintaining the state after the releasing.
On this basis, in above-mentioned electro-magnetic braking device 1, spacer 13 be mounted on movable member 2 (slot) with it is non magnetic
Between component 5a.Thereby, it is possible to adjust the height of non-magnetic part 5a.Also, recess portion is formed in non-magnetic part 5a, it is fixed
The head of screw 12 is received to the recess portion.Thereby, it is possible to the appearance and size of movable member 2 or fixing piece 3 is inhibited to increase.
In addition, in above-mentioned electro-magnetic braking device 1, list and be installed on as the non-magnetic part 5a in non magnetic portion
The example of fixing piece 3.The configuration mode of non-magnetic part is without being limited thereto, such as can also be with non-magnetic part is installed on movably
The construction of part combines (with reference to Fig. 3 etc. or Figure 15 etc.), as long as non-magnetic part is installed in movable member 2 and fixing piece 3
At least any one party.
Embodiment 4
The electro-magnetic braking device of embodiment 4 is illustrated.As shown in figure 18, in electro-magnetic braking device 1, as non-
The non-magnetic part 5a of magnetic portion 5 is installed on movable member 2.Non-magnetic part 5a is fixed on using fixing screws 12 to be formed in movably
The recess portion (ladder) of part 2.Fixing screws 12 from the side that is configured with residing for the side towards fixing piece 3 of liner to penetrate through movable member
2 mode is inserted.
Spacer 13 is mounted between movable member 2 (recess portion) and non-magnetic part 5a.In addition, structure in addition to this and figure
3 or electro-magnetic braking device shown in Fig. 4 it is identical, thus identical label is marked to same parts, other than necessary situation
Not repeated explanation.
In the following, illustrate the action of above-mentioned electro-magnetic braking device 1.First, the line set on fixing piece 3 is not being made current flow through
It encloses in the state of (not shown), movable member 2 is pushed out into rotating member 8 (with reference to Fig. 3) side, installation due to the active force of spring 7
In liner 9 (with reference to Fig. 3) contact rotating member 8 of movable member 2, thus apply braking.
On the other hand, as shown in figure 18, it is made to generate magnetic flux by being powered to the coil for being set on fixing piece 3, in movable member 2
Attraction is generated between fixing piece 3, movable member 2 is rotated with rotary shaft 4 for rotation center to 3 side of fixing piece.Pass through movable member 2
It is rotated to 3 side of fixing piece, gap (with reference to Fig. 4) is formed between liner 9 and rotating member 8, braking is released from.
In above-mentioned electro-magnetic braking device 1, the non-magnetic part 5a as non magnetic portion 5 is installed on movable member 2.By
This, it is identical with what is illustrated in the embodiment 1, the torque for rotating movable member 2 can be increased, the energy for releasing braking can be improved
Power and the ability for maintaining the state after the releasing.
On this basis, in above-mentioned electro-magnetic braking device 1, spacer 13 be mounted on movable member 2 (recess portion) with it is non-magnetic
Between property component 5a.Thereby, it is possible to adjust the height of non-magnetic part 5a.Also, being shown in FIG. 18 makes fixing screws 12
The construction that head is protruded from movable member 2, but recess portion can also be formed in movable member 2, the head of fixing screws 12 is received into this
Recess portion.
Embodiment 5
The electro-magnetic braking device of embodiment 5 is illustrated.As shown in figure 19, in electro-magnetic braking device 1, as non-
The non-magnetic part 5a of magnetic portion 5 is installed on movable member 2.Non-magnetic part 5a is fixed on using fixing screws 12 to be formed in movably
The slot of part 2.Side residing for fixing screws 12 from fixing piece 3 is inserted into movable member 2.
Recess portion is equipped in non-magnetic part 5a, the head of fixing screws 12 is received to the recess portion.In addition, in addition to this
Structure is identical with Fig. 3 or electro-magnetic braking device shown in Fig. 4, thus marks identical label to same parts, in addition to necessary
Not repeated explanation except situation.
In the following, illustrate the action of above-mentioned electro-magnetic braking device 1.First, the line set on fixing piece 3 is not being made current flow through
It encloses in the state of (not shown), movable member 2 is pushed out into rotating member 8 (with reference to Fig. 3) side, installation due to the active force of spring 7
In liner 9 (with reference to Fig. 3) contact rotating member 8 of movable member 2, thus apply braking.
On the other hand, as shown in figure 19, it is made to generate magnetic flux by being powered to the coil for being set on fixing piece 3, in movable member 2
Attraction is generated between fixing piece 3, movable member 2 is rotated with rotary shaft 4 for rotation center to 3 side of fixing piece.Pass through movable member 2
It is rotated to 3 side of fixing piece, gap (with reference to Fig. 4) is formed between liner 9 and rotating member 8, braking is released from.
In above-mentioned electro-magnetic braking device 1, the non-magnetic part 5a as non magnetic portion 5 is installed on movable member 2.By
This, it is identical with what is illustrated in the embodiment 1, the torque for rotating movable member 2 can be increased, the energy for releasing braking can be improved
Power and the ability for maintaining the state after the releasing.
On this basis, in above-mentioned electro-magnetic braking device 1, recess portion, fixing screws are formed in non-magnetic part 5a
12 head is received to the recess portion.Therefore, it is possible to which the appearance and size of movable member 2 or fixing piece 3 is inhibited to increase.
Embodiment 6
It illustrates to be configured in the recess portion (ladder) for being formed in movable member or fixing piece in embodiment 1 to 4 non-magnetic
Property component electro-magnetic braking device, in embodiment 6 explanation be configured between movable member and fixing piece non-magnetic part work
Electro-magnetic braking device for spacer.
Figure 20 schematically illustrates the state that electro-magnetic braking device 1 is acted, and Figure 21 schematically illustrates electro-magnetic braking device 1
The state being released from.As shown in Figure 20 and Figure 21, in electro-magnetic braking device 1, the non-magnetic part 5a as non magnetic portion 5 makees
It is mounted between movable member 2 and fixing piece 3 for spacer.Non-magnetic part 5a along length Ly directions (with reference to Figure 11) continuously
Installation, but the both ends in the length Ly directions other than the part surrounded by coil can also be mounted on.In addition, in addition to this
Structure it is identical with Fig. 3 or electro-magnetic braking device shown in Fig. 4, thus identical label is marked to same parts, in addition to necessity
Situation except not repeated explanation.
In the following, illustrate the action of above-mentioned electro-magnetic braking device 1.First, as shown in figure 20, it is set on not making current flow through
In the state of the coil (not shown) of fixing piece 3, movable member 2 is pushed out into 8 (reference of rotating member due to the active force of spring 7
Fig. 3) side mounted on liner 9 (with reference to Fig. 3) contact rotating member 8 of movable member 2, thus applies braking.
On the other hand, as shown in figure 21, it is made to generate magnetic flux by being powered to the coil for being set on fixing piece 3, in movable member 2
Attraction is generated between fixing piece 3, movable member 2 is rotated with rotary shaft 4 for rotation center to 3 side of fixing piece.Pass through movable member 2
It is rotated to 3 side of fixing piece, gap (with reference to Fig. 4) is formed between liner 9 and rotating member 8, braking is released from.
The action of electro-magnetic braking device 1 is described in more detail.(preceding) consolidates when Figure 22 shows to make the electro-magnetic braking device 1 act
Determine the stereogram of part 3 and movable member 2.Coil 6 is wound in the central part of the fixing piece 3 of E shapes.Here, in the embodiment 1
The electro-magnetic braking device 1 of explanation is identical, if the number of turn of coil 6 is 500 circles.The length Lx of fixing piece 3 is, for example, 40mm, length Ly
For example, 112mm.
Non-magnetic part 5a is configured between movable member 2 and fixing piece 3.As non-magnetic part 5a, such as in addition to non-magnetic
Other than the composite materials or ceramics etc. such as metals, the glass epoxies such as the stainless steel of property, additionally it is possible to use rubber or resin
Piece etc..
By it being made to generate magnetic flux the energization of coil 6, attraction, movable member 2 are generated between movable member 2 and fixing piece 3
It is rotated with rotary shaft 4 for rotation center to 3 side of fixing piece, gap (with reference to Fig. 4), rotation is formed between liner 9 and rotating member 8
The braking of part 8 is released from.
Here, the relationship of the magnetic flux density of gap location between movable member 2 and fixing piece 3 and the distance away from rotary shaft 4
It illustrates.The electric current being powered to coil 6 is set as 2A, the thickness of the non-magnetic part as spacer is set as 0.1mm
When evaluation result it is as shown in figure 23.
As shown in figure 23, it is configured with non-magnetic part 5a (thickness：The result of (situation A) is as shown in curve A when 0.1mm).
As comparative example, during without non-magnetic part, the result of (situation B) is as curveb.In addition, in situation A, movable member 2
Center (length Lx=20mm) at the gap of movable member 2 and fixing piece 3 be 0.2mm, end (the length Lx=of movable member 2
40mm) gap at place is 0.3mm.In situation B, the gap at the end (length Lx=40mm) of movable member 2 is 0.4mm.
As shown in curve A it is found that non-magnetic part 5a thickness in the case of 0.1mm, and without non magnetic portion
The situation (curve B) of the comparative example of part is compared, in the shorter range of the distance away from rotary shaft (~about 20mm) interior magnetic flux density
It is smaller.On the other hand, it is larger in the long range of the distance away from rotary shaft (about 20mm~) interior magnetic flux density.
In the following, illustrate the electromagnetic torque around the rotary shaft 4 of movable member 2.As shown in figure 24 it is found that without non magnetic portion
Electromagnetic torque during comparative example (the no spacer) of part is 23Nm, and the thickness of the non-magnetic part 5a as spacer is set as
Electromagnetic torque during 0.1mm increases to 24Nm.
According to these results it is found that the electro-magnetic braking device 1 with the non-magnetic part 5a as spacer, with without
The electro-magnetic braking device of the comparative example of non-magnetic part is compared, and can increase what is rotated movable member 2 and attract to 3 side of fixing piece
Electromagnetic torque as electro-magnetic braking device, can improve the ability for releasing braking.
In the following, according to the above situation A, B, after explanation makes the brake release of electro-magnetic braking device 1 as shown in figure 25 respectively
The relationship of the magnetic flux density of gap location between under state, movable member 2 and fixing piece 3 and the distance away from rotary shaft 4.In addition,
State shown in the Figure 25 is the state of the end touch fasteners 3 of the rotary shaft opposite side of movable member 2, is that electromagnetic torque is more than
Torque based on spring 7 and keep braking state.
As shown in figure 26, it is configured with the non-magnetic part 5a (thickness as spacer：The result of (situation A) when 0.1mm)
As shown in curve A.As comparative example, during without non-magnetic part, the result of (situation B) is as curveb.
As shown in curve A it is found that non-magnetic part 5a thickness in the case of 0.1mm, and without non magnetic portion
The situation (curve B) of part is compared, and in the shorter range of the distance away from rotary shaft (~about 25mm), magnetic flux density is smaller.Separately
On the one hand, in the long range of the distance away from rotary shaft (about 25mm~), magnetic flux density improves.
In the following, illustrate the electromagnetic torque around the rotary shaft 4 of movable member 2.As shown in figure 27 it is found that without non magnetic portion
The electromagnetic torque of the comparative example (no spacer) of part is 38Nm, and the thickness of the non-magnetic part 5a as spacer is set as
Electromagnetic torque during 0.1mm increases to 39Nm.
According to these results it is found that the electro-magnetic braking device 1 with the non-magnetic part 5a as spacer, with without
The electro-magnetic braking device of the comparative example of non-magnetic part is compared, and can increase the torque for rotating movable member 2, additionally it is possible to increase dimension
Hold the ability of braking hold mode.
Embodiment 7
The electro-magnetic braking device for having non-magnetic part as spacer is illustrated in embodiment 6, in embodiment 7
The middle part for illustrating the non-magnetic part is located at the electro-magnetic braking device of movable member.
As shown in figure 28, in electro-magnetic braking device 1, the non-magnetic part 5a as non magnetic portion 5 pacifies as spacer
Between movable member 2 and fixing piece 3.Recess portion is equipped in movable member 2, it is recessed that a part of non-magnetic part 5a is received to this
Portion.In addition, structure in addition to this is identical with the electro-magnetic braking device shown in Figure 20 or Figure 21, thus same parts are marked
Identical label, the not repeated explanation other than necessary situation.
In the following, illustrate the action of above-mentioned electro-magnetic braking device 1.First, the line set on fixing piece 3 is not being made current flow through
It encloses in the state of (not shown), movable member 2 is pushed out into rotating member 8 (with reference to Fig. 3) side, installation due to the active force of spring 7
In liner 9 (with reference to Fig. 3) contact rotating member 8 of movable member 2, thus apply braking.
On the other hand, its is made to generate magnetic flux by being powered to the coil for being set on fixing piece 3, movable member 2 and fixing piece 3 it
Between generate attraction, movable member 2 is rotated with rotary shaft 4 for rotation center to 3 side of fixing piece.By movable member 2 to 3 side of fixing piece
Rotation forms gap (with reference to Fig. 4) between liner 9 and rotating member 8, and braking is released from.
In above-mentioned electro-magnetic braking device 1, the non-magnetic part 5a as non magnetic portion 5 is mounted on as spacer can
Between moving part 2 and fixing piece 3, a part of non-magnetic part 5a is received to the recess portion set on movable member 2.
Therefore, even if a part of non-magnetic part 5a is received to the recess portion set on movable member 2, also in embodiment
What is illustrated in 6 is identical, can increase the torque for rotating movable member 2, can improve the ability for releasing braking and maintain the releasing
The ability of state afterwards.
Embodiment 8
The electro-magnetic braking device for having non-magnetic part as non magnetic portion is illustrated in embodiment 1~7, is being implemented
Explanation has electro-magnetic braking device of the gap as non magnetic portion in mode 8.
Figure 29 schematically illustrates the state that electro-magnetic braking device 1 is acted, and Figure 30 schematically illustrates electro-magnetic braking device 1
The state being released from.As shown in Figure 29 and Figure 30, in electro-magnetic braking device 1, the gap 5b as non magnetic portion 5 is formed in can
Moving part 2.Gap 5b is continuously formed along length Ly directions (with reference to Figure 11), but can also be formed in addition to being surrounded by coil
The both ends in the length Ly directions other than part.In addition, structure in addition to this is filled with Fig. 3 or electromagnetic braking shown in Fig. 4
It puts identical, thus same parts is marked with identical label, the not repeated explanation other than necessary situation.
In the following, illustrate the action of above-mentioned electro-magnetic braking device 1.First, as shown in figure 29, it is set on not making current flow through
In the state of the coil (not shown) of fixing piece 3, movable member 2 is pushed out into 8 (reference of rotating member due to the active force of spring 7
Fig. 3) side mounted on liner 9 (with reference to Fig. 3) contact rotating member 8 of movable member 2, thus applies braking.
On the other hand, as shown in figure 30, it is made to generate magnetic flux by being powered to the coil for being set on fixing piece 3, in movable member 2
Attraction is generated between fixing piece 3, movable member 2 is rotated with rotary shaft 4 for rotation center to 3 side of fixing piece.Pass through movable member 2
It is rotated to 3 side of fixing piece, gap (with reference to Fig. 4) is formed between liner 9 and rotating member 8, braking is released from.
The action of electro-magnetic braking device 1 is described in more detail.(preceding) consolidates when Figure 31 shows to make the electro-magnetic braking device 1 act
Determine the stereogram of part 3 and movable member 2.Coil 6 is wound in the central part of the fixing piece 3 of E shapes.Here, in the embodiment 1
The electro-magnetic braking device 1 of explanation is identical, if the number of turn of coil 6 is 500 circles.The length Lx of fixing piece 3 is, for example, 40mm, length Ly
For example, 112mm.
The gap 5b as non magnetic portion 5 towards 3 side opening of part that is relatively fixed is formed in movable member 2.From rotation
The length of axis 4 to gap 5b are 3mm, and the width of gap 5b is 7mm.Movable member 2 is depended on from rotary shaft 4 to the length of gap 5b
Mechanical strength, for example, about 2mm~5mm be suitable length.
By it being made to generate magnetic flux the energization of coil 6, attraction, movable member 2 are generated between movable member 2 and fixing piece 3
It is rotated with rotary shaft 4 for rotation center to 3 side of fixing piece, gap (with reference to Fig. 4), rotation is formed between liner 9 and rotating member 8
The braking of part 8 is released from.
Here, the relationship of the magnetic flux density of gap location between movable member 2 and fixing piece 3 and the distance away from rotary shaft 4
It illustrates.The evaluation result when electric current being powered to coil 6 to be set as to 2A is as shown in figure 32.As shown in figure 32, it is formed free
The result of (situation A) is as shown in curve A during gap 5b.As comparative example, the result such as curve B institutes of (situation B) during without gap
Show.In addition, in situation A, movable member 2 and the gap of fixing piece 3 at the center (length Lx=20mm) of movable member 2 are
0.2mm。
As shown in curve A it is found that in the range of the distance away from rotary shaft is 3mm~10mm, movable member 2 and fixing piece 3
Magnetism gap be more than the gaps of other parts, thus magnetic flux density as low as about 0.2T.On the other hand, away from rotary shaft 4 away from
In the range of more than 10mm, magnetic flux density is higher than magnetic flux density during comparative example (the curve B) without gap.
In the following, illustrate the electromagnetic torque around the rotary shaft 4 of movable member 2.As shown in figure 33 it is found that the ratio without gap
Electromagnetic torque during compared with example is 23Nm, and there is electromagnetic torque during gap to increase to 27Nm.
According to these results it is found that the electro-magnetic braking device 1 with the gap 5b as non magnetic portion 5, and without sky
The electro-magnetic braking device of the comparative example of gap is compared, and can increase the electromagnetic force for rotating movable member 2 and attracting to 3 side of fixing piece
Square as electro-magnetic braking device, can improve the ability for releasing braking.
In the following, according to the above situation A, B, after explanation makes the brake release of electro-magnetic braking device 1 as shown in figure 34 respectively
The relationship of the magnetic flux density of gap location between under state, movable member 2 and fixing piece 3 and the distance away from rotary shaft 4.
As shown in figure 35, the result of (situation A) is as shown in curve A when having gap, the knot of (situation B) during without gap
Fruit is as curveb.In addition, the electric current being powered to coil 6 is set as 2A.
First, as curveb it is found that in the comparative example without gap, magnetic unrelated with the distance away from rotary shaft 4
Flux density is generally uniform.As shown in curve A it is found that in the distance away from rotary shaft in the range of 3mm~10mm, movable member 2 with
The magnetism gap of fixing piece 3 is more than the gap of other parts, thus magnetic flux density is smaller.On the other hand, away from rotary shaft 4 away from
In the range of more than 10mm, the magnetic flux density of (curve B) when magnetic flux density is higher than the comparative example without gap.
In the following, illustrate the electromagnetic torque around the rotary shaft 4 of movable member 2.As shown in figure 36 it is found that the ratio without gap
Electromagnetic torque during compared with example is 38Nm, and the electromagnetic torque with gap increases to 43Nm.
According to these results it is found that in above-mentioned electro-magnetic braking device 1, it is not provided with non-magnetic part and is provided as non-
The gap 5b of magnetic portion 5, thus, it is possible to increase the torque for rotating movable member 2, additionally it is possible to increase and maintain braking hold mode
Ability.
Embodiment 9
Illustrate to be provided as the electromagnetism in the gap in non magnetic portion in embodiment 8 near the rotary shaft in movable member
Brake apparatus, explanation is in addition to gap is with also the electromagnetic braking with other constructions fills near external rotary shaft in embodiment 9
It puts.
Figure 37 shows the state that electro-magnetic braking device 1 is acted, Figure 38 show to unload after movable member in the state of consolidate
Determine the construction of part etc..It is main as shown in figure 38, in fixing piece 3, in being formed in the iron core portion for being wound with coil 6 for deviateing
The threaded hole 15 of heart configuration spring (not shown).
In addition, close to the specified position of 4 side of rotary shaft and the specified position of separate 4 side of rotary shaft in fixing piece 3
Both sides are formed with rubber hole 14, for reducing carry out braking maneuver when sound yielding rubber (cushion rubber) (not
Diagram) it is inserted into the rubber hole 14.Other than gap 5b as non magnetic portion 5 is formed in the region in addition to being formed with rubber hole 14
, region near rotary shaft 4.
In the following, illustrate the action of above-mentioned electro-magnetic braking device 1.First, the line set on fixing piece 3 is not being made current flow through
In the state of circle 6, movable member 2 is pushed out into rotating member 8 (with reference to Fig. 3) side due to the active force of spring 7, mounted on movable member
2 liner 9 (with reference to Fig. 3) contact rotating member 8, thus applies braking.
On the other hand, it is made to generate magnetic flux by being powered to the coil 6 for being set on fixing piece 3, in movable member 2 and fixing piece 3
Between generate attraction, movable member 2 is rotated with rotary shaft 4 for rotation center to 3 side of fixing piece.By movable member 2 to fixing piece 3
Side rotates, and gap (with reference to Fig. 4) is formed between liner 9 and rotating member 8, braking is released from.
In above-mentioned electro-magnetic braking device 1, the gap 5b as non magnetic portion 5 is set on movable member 2.It follows that with
What is illustrated in embodiment 8 is identical, can increase make movable member 2 rotate torque, can improve release braking ability and
Maintain the ability of the state after the releasing.
On this basis, in above-mentioned electro-magnetic braking device 1, rubber hole 14, yielding rubber are formed in fixing piece 3
(not shown) is inserted into the rubber hole 14.Thereby, it is possible to reduce sound when electro-magnetic braking device 1 is acted.
In addition, in above-mentioned electro-magnetic braking device 1, the outer peripheral portion that lists in fixing piece 3 is provided as non magnetic
The construction of the gap 5b in portion 5, but can also gap be set in the region surrounded by coil 6.Alternatively, it is also possible to by each embodiment party
The structure of formula is appropriately combined.
In addition, the electro-magnetic braking device applied to lift appliance is illustrated in above-mentioned each embodiment, however should
Lift appliance is not limited to the device of electro-magnetic braking device.For example, the electromagnetic braking that can will illustrate in each embodiment
Device be used as train either the brake apparatus of vehicle etc. and also be able to be used as crane (hoist) or crane (crane) etc.
Brake apparatus.
The present invention can be effectively applied to the electro-magnetic braking device using lift appliance as the train of representative and vehicle etc..
Embodiments of the present invention are illustrated, but this time disclosed embodiment is all only shown in terms of whole
Example, it should think it is not restricted.The scope of the present invention is as shown in claims, comprising equal with claims
Whole changes in meaning and range.
Claims (10)
1. a kind of electro-magnetic braking device, which has：
Fixing piece；
Movable member is arranged as opposed to the fixing piece, is supported in a manner of it can be rotated relative to the fixing piece；
Coil, generation make the movable member to the magnetic flux rotated close to the side of the fixing piece；
Elastic portion has the active force that the movable member is made to be rotated to the side far from the fixing piece；
Rotating member by the way that the movable member is made to rotate to implement to brake to the rotating member to the side far from the fixing piece, leads to
Crossing makes the movable member release and brake to the rotating member to close to the rotation of the side of the fixing piece；And
Non magnetic portion, at least any one party being set in the fixing piece and the movable member,
The side of rotation center of the non magnetic portion's configuration when being rotated as the movable member relative to the fixing piece,
The 1st end and the side as the rotation center that the movable member is configured with side as the rotation center
2nd end of opposite side, the distance between the 2nd end and the fixing piece are according to the movable member relative to the fixation
The rotation of part and change.
2. electro-magnetic braking device according to claim 1, wherein,
The non magnetic portion is non-magnetic part.
3. electro-magnetic braking device according to claim 2, wherein,
At least any one party in the fixing piece and the movable member is equipped with recess portion,
The non-magnetic part is configured at the recess portion.
4. electro-magnetic braking device according to claim 2, wherein,
The non-magnetic part is screwed at least any one party in the fixing piece and the movable member.
5. electro-magnetic braking device according to claim 4, wherein,
The non-magnetic part includes height adjusting part.
6. electro-magnetic braking device according to claim 2, wherein,
The movable member has the 1st width, as the length from the 1st end to the 2nd end,
The non-magnetic part has the 2nd width, as from the 3rd end of the side as the rotation center to as described
The length of 4th end of the opposite side of the side of rotation center,
2nd width is configured to the 12.5%~40% of the 1st width.
7. electro-magnetic braking device according to claim 2, wherein,
The non-magnetic part is as spacer arrangement between the fixing piece and the movable member.
8. electro-magnetic braking device according to claim 1, wherein,
The non magnetic portion is gap.
9. electro-magnetic braking device according to claim 1, wherein,
Make buffer unit between the movable member and the fixing piece.
10. a kind of lift appliance, which has the electro-magnetic braking device described in any one in claim 1~9,
Wherein, which has：
Car；And
Traction machine lifts the car,
The electro-magnetic braking device is configured at the traction machine.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014103237 | 2014-05-19 | ||
| JP2014-103237 | 2014-05-19 | ||
| JP2015-016914 | 2015-01-30 | ||
| JP2015016914A JP6293069B2 (en) | 2014-05-19 | 2015-01-30 | Electromagnetic brake device and elevator device using the same |
Publications (2)
| Publication Number | Publication Date |
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| CN105090295A CN105090295A (en) | 2015-11-25 |
| CN105090295B true CN105090295B (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510235962.XA Active CN105090295B (en) | 2014-05-19 | 2015-05-11 | Electro-magnetic braking device and the lift appliance using the electro-magnetic braking device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108999899A (en) * | 2018-09-25 | 2018-12-14 | 日立电梯电机（广州）有限公司 | brake and elevator brake structure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2638944A1 (en) * | 1976-08-28 | 1978-03-02 | Zahnradfabrik Friedrichshafen | MAGNETIC ACTUATED FRICTION CLUTCH OR BRAKE |
| EP0183423B1 (en) * | 1984-11-16 | 1990-05-02 | E.I. Du Pont De Nemours And Company | Dimethylamine synthesis catalyst |
| US6217709B1 (en) * | 1998-11-23 | 2001-04-17 | Hercules Incorporated | Cationic starch/cationic galactomannan gum blends as strength and drainage aids |
| JP2000220666A (en) * | 1999-02-01 | 2000-08-08 | Tsubakimoto Chain Co | Muffler for deenergization operating type electromagnetic brake |
| DE10143499A1 (en) * | 2001-09-05 | 2003-03-20 | Mayr Christian Gmbh & Co Kg | Electromagnetic brake with application noise damping elements, has additional damping elements of much lower stiffness that remain in contact with coil carrier to reduce release noise |
| FR2836755B1 (en) * | 2002-03-01 | 2004-08-20 | Johnson Contr Automotive Elect | ELECTROMAGNETIC ACTUATOR WITH CONTROLLED ATTRACTION FORCE |
| CN1289381C (en) * | 2002-09-12 | 2006-12-13 | 三菱电机株式会社 | Brake device of elevator hoist |
| EP1717474B1 (en) * | 2004-02-19 | 2009-05-13 | Mitsubishi Denki Kabushiki Kaisha | Brake device and hoist for elevator |
| JP4819658B2 (en) * | 2006-11-24 | 2011-11-24 | 三菱電機株式会社 | Brake machine of hoisting machine |
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