CN100404903C - Electromagnet arrester and electromagnet arrester of cable lift of elevator - Google Patents
Electromagnet arrester and electromagnet arrester of cable lift of elevator Download PDFInfo
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- CN100404903C CN100404903C CNB2005100737663A CN200510073766A CN100404903C CN 100404903 C CN100404903 C CN 100404903C CN B2005100737663 A CNB2005100737663 A CN B2005100737663A CN 200510073766 A CN200510073766 A CN 200510073766A CN 100404903 C CN100404903 C CN 100404903C
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Abstract
The invention relates to an electromagnetic braking device which is provided with the following components: a braking sheet (2a, 2b) arranged at a braking surface (1a, 1b) of the braking body, a first and a second braking wrists (3a, 3b) whose one end can be supported rotatablely, a braking spring (4a, 4b) making the braking sheet press the braking surface and braking the braking body, an electromagnet (6) formed by a field yoke and an electromagnet winding and activating at the connecting direction connected another end (3d) of a first and a second braking wrist and an electromagnetic device (5) formed by an iron sheet (7a, 7b) arranged corresponding to the magnet pole face of the electromagnet overcoming the elasticity of the braking spring and driving the first and the second braking wrist through the electromagnetic attraction produced in energization of the electromagnet, relieving the thrust pressure of the braking sheet to relieve the brake of the braking body. Wherein, the electromagnetic device consists of one or two fixed electromagnets and two or one movable iron sheet. The first and the second braking wrists are respectively driven through the movable iron sheet.
Description
Technical field
The present invention relates to a kind of electro-magnetic braking device, relate in particular to a kind of electro-magnetic braking device that preferably is used in the elevator hoist on the Winch for elevator with two groups of arrestment mechanisms.
Background technique
For example, in patent documentation 1 disclosed electro-magnetic braking device, as electro-magnetic braking device, contact with braking surface by distolateral two groups of braking braking plates that wrist was kept that are supported with rotary way as the brake drum that is braked body, push with brake spring that another is distolateral, simultaneously, yoke of being used by electromagnetism winding, double as casing and the setting of two movable core subtends and constitute, the electromagnetic attraction action by these two movable cores overcomes the elastic force of brake spring so that the multiterminal side action of braking wrist.
For example patent documentation 2 discloses a kind of braking device again, in this braking device, will be as the inner peripheral surface of the driving rope sheave that is braked body as braking surface, constitute by two groups of braking wrists, braking plate and brake springs and one group of calutron, simultaneously, braking plate and brake spring are set at the inboard that drives rope sheave, and an end of braking wrist is by the inboard of pivot suspension at the driving rope sheave, the other end is arranged on the outside that drives rope sheave, and calutron is arranged on the outside that drives rope sheave.
For example patent documentation 3 discloses a kind of Winch for elevator again, in this Winch for elevator, by integrally formed motor rotor and the cup-shaped solid of rotation that the driving rope sheave constitutes are installed in framework inside, simultaneously, will be arranged on the inside of cup-shaped solid of rotation as the inner peripheral surface of the described cup-shaped solid of rotation that is braked body as the electro-magnetic braking device of braking surface.
[patent documentation 1] spy opens 2003-343608 communique (with reference to paragraph numbering 0007)
[patent documentation 2] spy opens flat 10-203761 communique (with reference to embodiment 1 and Fig. 1)
[patent documentation 3] spy opens 2001-322781 communique (with reference to paragraph numbering 0007)
In above-mentioned patent documentation 1 disclosed electro-magnetic braking device, though used two groups of mechanisms that apply braking, the mechanism that is used to remove this braking has only one group, and this group of mechanism is used jointly by two groups of mechanisms that apply braking.That is, have the braking of applying and remove mechanism, the arrestment mechanism that independently plays a role as braking device does not adopt two groups of structures.Therefore, there is following problem in this electro-magnetic braking device, promptly can't be used for the occasion of two groups of braking device performances of needs braking function.
In addition, above-mentioned patent documentation 2 disclosed braking device, with the inner peripheral surface that drives rope sheave as braking surface, by two groups of braking wrists, braking plate and brake spring and the one group of calutron composition that is used for brake off, simultaneously, braking plate and brake spring are arranged on the inboard that drives rope sheave, one end of braking wrist is by the inboard of pivot suspension at the driving rope sheave, the other end is set at the outside that drives rope sheave, calutron is arranged on the outside that drives rope sheave, but brake spring is set at the inboard as the driving rope sheave of solid of rotation, for this reason, the scheme of this braking device and patent documentation 1 has same problem, promptly can't be used for the occasion of two groups of braking device performances of needs braking function.
Moreover, in the electro-magnetic braking device of above-mentioned patent documentation 3 disclosed Winch for elevator, braking device adopts braking wrist form, one end of braking wrist is bearing on the support plate by pin, the armature have braking plate, to use as movable iron is set in the middle of the braking wrist, between the round end of braking wrist and support plate brake spring is set, electromagnet is configured to this armature of electromagnetic attraction.That is braking wrist, brake spring and be set at inboard, as the cup-shaped solid of rotation of solid of rotation as the component parts of the braking device such as electromagnet of calutron.For this reason, because the place is limited, the density height is set, though realized miniaturization, but there are the following problems, that is, and and time-consuming taking a lot of work in assembling such as the stroke adjustment of stroke adjustment, armature and the electromagnet of the assembling of carrying out the braking device parts, braking plate, the adjusting of elastic force and when regulating operation.
Summary of the invention
The object of the present invention is to provide a kind of electro-magnetic braking device, this electro-magnetic braking device can be used in the occasion that needs two groups of braking device performance braking functions.
In addition, another object of the present invention is to provide a kind of electro-magnetic braking device, the assembling operation of this electro-magnetic braking device and adjusting operation are convenient
The present invention's 1 described electro-magnetic braking device possesses with lower member: have the braking plate that is arranged on the braking surface that is braked body, the first and second braking wrist that the one end is supported in rotatable mode;
Be arranged on the other end of the described first and second braking wrist, make described braking plate push described braking surface to be braked the brake spring that body is braked to described; Constitute by yoke and electromagnetism winding, be provided in the electromagnet that moves on the connecting direction of the other end that connects the described first and second braking wrist; By constituting with the relative iron plate of magnetic pole strength of this electromagnet to setting, the elastic force that the electromagnetic attraction that produces when switching on by electromagnet overcomes described brake spring drives the described first and second braking wrist, and the pushing force of removing described braking plate is to remove the described calutron that is braked the braking of body; It is characterized in that: but described calutron constitute by a fixed electromagnet and two movable iron or two motor magnets and a fixed iron piece, simultaneously, but drive the described first and second braking wrist respectively by described motor magnet or movable iron.
Thus, can access a kind of electro-magnetic braking device, this electro-magnetic braking device by braking wrist with braking plate, apply pushing force to braking plate and constitute with the brake spring that applies braking force and the calutron of brake off power, mechanism with the braking force of applying and brake off power can have two groups as the arrestment mechanism that braking device is independently brought into play braking function.
In addition, 1 described electro-magnetic braking device according to the present invention, the present invention's 2 described electro-magnetic braking devices are characterised in that described calutron is exported electromagnetic attraction in the connecting direction with respect to the other end that connects the described first and second braking wrist for drawing on direction or the release direction.
Thus, 1 identical with the present invention, can access a kind of electro-magnetic braking device, this electro-magnetic braking device is by the braking wrist with braking plate, applying pushing force to braking plate constitutes with the calutron of the brake spring that applies braking force and brake off power, mechanism with the braking force of applying and brake off power, can there be two groups as the arrestment mechanism that braking device is independently brought into play braking function, observe from connecting the described first and second connection side of braking the other end of wrist, when the elastic force of brake spring was applied on the direction that the braking wrist is released or drawn in, this electro-magnetic braking device was particularly effective.
In addition, 2 described electro-magnetic braking devices according to the present invention, the present invention's 3 electro-magnetic braking device is characterised in that, described calutron is provided with the output rod, this output rod drives the other end of the described first and second braking wrist respectively exporting electromagnetic attraction with respect to the connecting direction that connects the described first and second braking wrist for drawing on direction or the release direction by this output rod.
Thus, can access a kind of electro-magnetic braking device, this electro-magnetic braking device is by the braking wrist with braking plate, applying pushing force to braking plate constitutes with the calutron of the brake spring that applies braking force and brake off power, mechanism with the braking force of applying and brake off power, can there be two groups as the arrestment mechanism that braking device is independently brought into play braking function, the interior all braking surfaces that are braked body are braked, observe from connecting the described first and second connection side of braking the other end of wrist, the elastic force of brake spring is applied to when the braking wrist is released direction or drawn on the direction, and this electro-magnetic braking device is particularly effective.
In addition, 3 described electro-magnetic braking devices according to the present invention, the present invention's 4 electro-magnetic braking device is characterised in that, the output rod is set on described calutron, this output rod is driven the other end of the described first and second braking wrist respectively being the release direction with respect to the connecting direction that connects the described first and second braking wrist or drawing in and export electromagnetic attraction on the direction via swingle by described output rod.
Thus, can access a kind of electro-magnetic braking device, this electro-magnetic braking device is by the braking wrist with braking plate, applying pushing force to braking plate constitutes with the calutron of the brake spring that applies braking force and brake off power, mechanism with the braking force of applying and brake off power, can there be two groups as the arrestment mechanism that braking device is independently brought into play braking function, the interior all braking surfaces that are braked body are braked, observe from connecting the described first and second connection side of braking the other end of wrist, the elastic force of brake spring is applied to when the braking wrist is drawn in direction or released on the direction, and this electro-magnetic braking device is particularly effective.In addition, because middle across swingle, so the stroke adjustment between stroke between braking plate and the braking surface and armature and the electromagnet can not impact the elastic force of brake spring, so adjusting work becomes convenient.
In addition, 4 described electro-magnetic braking devices according to the present invention, the present invention's 5 electro-magnetic braking device are characterised in that described output rod is set at the outside of described electromagnet.
Thus,, need not run through the hole that being arranged in the magnetic pole strength that is used to produce electromagnetic attraction,, can not reduce as the electromagnetic attraction of output so the effective magnetic pole area can not reduce as the output rod of the calutron of brake removing device.
In addition, the electro-magnetic braking device of the present invention's 6 Winch for elevator possesses with lower member: the cup-shaped framework that is provided with staor winding at the inner peripheral surface of peristome portion; Be configured to bottom surface from this framework towards the side-prominent main shaft of recess; Be arranged in the cup-shaped portion of described framework, have cup-shaped solid of rotation by the driving rope sheave of described main shaft pivot suspension; Be arranged on the periphery of this cup-shaped solid of rotation foreign steamer portion, relative to described staor winding the armature that is provided with; Be arranged on the braking surface on the inner peripheral surface of described foreign steamer portion; Its edge portion is installed in the support plate in the peristome portion of described framework; And the electro-magnetic braking device that described braking surface is braked; It is characterized in that, be bearing on the described support plate with the end pivot of pivot suspension pin the first and second braking wrist of described electro-magnetic braking device, the end that described peristome portion is crossed in the other end is arranged on the outside of described framework, and, brake spring and calutron constitute by two groups, it is arranged on the outside of described framework, and carries out braking maneuver on opposite each other direction; By the elastic force of described brake spring braking plate is pressed against on the described braking surface braking, drive the other end of braking wrist, make braking plate leave braking surface with brake off by calutron.
Thus, can access a kind of electro-magnetic braking device of Winch for elevator, it possesses braking device, this braking device is by two groups of mechanisms with the braking force of applying and brake off power, can bring into play the arrestment mechanism formation of braking action respectively separately as braking device, and assembling operation is simple, and adjusting work is easy.
(invention effect)
According to the present invention, a kind of electro-magnetic braking device can be provided, this electro-magnetic braking device has two groups of mechanisms that apply braking force and brake off power that can bring into play braking action as arrestment mechanism separately.
Description of drawings
Fig. 1 is the plan view as the inner peripheral surface brake type electro-magnetic braking device of first embodiment of the invention.
Fig. 2 is the plan view of another calutron different with calutron shown in Figure 1
Fig. 3 is the plan view of another calutron different with calutron shown in Figure 1.
Fig. 4 is the plan view as the inner peripheral surface brake type electro-magnetic braking device of second embodiment of the invention.
Fig. 5 is the plan view of another calutron different with calutron shown in Figure 4
Fig. 6 is the plan view of another calutron different with calutron shown in Figure 4.
Fig. 7 is the plan view as the outer circumferential face brake type electro-magnetic braking device of third embodiment of the invention.
Fig. 8 is the plan view as the outer circumferential face brake type electro-magnetic braking device of fourth embodiment of the invention.
Fig. 9 is the plan view of elevator hoist with inner peripheral surface brake type electromagnetic brake of first embodiment.
Figure 10 is the sectional drawing of the A-A line of Fig. 9.
Figure 11 is the calutron plan view partly of the electromagnetic brake of Fig. 9.
Figure 12 and Figure 11 quite, the calutron part of the multi-form electromagnetic brake of expression and Fig. 9.
Figure 13 is the plan view that has with the elevator hoist of the different embodiments' of Fig. 9 inner peripheral surface brake type electromagnetic brake.
Figure 14 is the sectional drawing of Figure 13 B-B line.
Figure 15 is the plan view of Figure 13.
Figure 16 is the calutron plan view partly of the electromagnetic brake of Figure 13.
Figure 17 is the side view of Figure 16.
Figure 18 is the C-C view of Figure 17.
Figure 19 is the D-D view of Figure 17.
Figure 20 and Figure 15 quite, the calutron of the multi-form electromagnetic brake of expression and Figure 13.
Figure 21 is the calutron plan view partly of the electromagnetic brake of Figure 20.
Figure 22 is the side view of Figure 21.
Figure 23 is the E-E view of Figure 22.
Figure 24 is the F-F view of Figure 22.
Among the figure: 1a, 1b, the 36-braking surface, 2a, 2b, the 38-braking plate, 3a, 3b, 29-brakes wrist, 3d, the other end of 29b-braking wrist, 4a, 4b, the 40-brake spring, 8,8a, the 8b-yoke, 9a, 9b-electromagnetism winding, 6,6a, 6b, the 47-electromagnet, 10a, 10b, 55a, the 55b-magnetic pole strength, 7,7a, 7b, 48,48a, the 48b-iron plate, 11a, 11b, 61a, 61b-exports rod, 12a, 12b, the 66-swingle, 22-peristome portion, 32-staor winding, the 21-framework, the 21a-recess, the 31-main shaft, 34-drives rope sheave, the cup-shaped solid of rotation of 33-, the 35-armature, 27-support plate, 37-electro-magnetic braking device, 28a-pivot suspension pin, the 46-calutron.
Embodiment
Below with reference to the accompanying drawings embodiments of the invention are described.
Fig. 1 is the plan view as the inner peripheral surface brake type electro-magnetic braking device of first embodiment of the invention.Fig. 2 and Fig. 3 are respectively the plan views of the calutron different with calutron shown in Figure 1.
In Fig. 1,1 expression is as being braked the brake drum of body, braking plate 2a, 2b respectively with interior all braking surface 1a butts of this brake drum 1.3a, 3b represent a pair of braking wrist, possess described braking plate 2a, 2b, and one end 3c is supported with rotatable method.4a, 4b are brake springs, and the other end 3d that it is arranged on braking wrist 3a, 3b makes described braking plate 2a, 2b apply pushing force to braking surface 1a.From connecting the connection side of braking wrist 3a, 3b the other end 3d, the elastic force of this brake spring 4a, 4b is applied on the direction of braking wrist 3a, 3b release.
5 expression calutrons, it is made up of a fixed electromagnet 6 and two movable iron 7a, 7b, be arranged on described first and second brake wrist 3a, 3b the other end 3d near, be used to remove the pushing force of described brake spring 4a, 4b.Described electromagnet 6 is formed by two electromagnetism winding 9a, 9b and by the common yoke of using 8 of these two electromagnetism winding 9a, 9b, this yoke 8 has magnetic pole strength 10a, 10b at Liang Chu, electromagnetism winding 9a, 9b are arranged on each magnetic pole strength 10a, the 10b, and in fact the device with electromagnet function has two.In addition, two movable iron 7a, 7b are relative to setting with this magnetic pole strength 10a, 10b, and this movable iron 7a, 7b are connected to drive with the other end 3d of described braking wrist 3a, 3b.
The action of this electro-magnetic braking device is as follows.When braking, via braking wrist 3a, 3b, braking plate 2a under the effect of brake spring 4a, 4b, 2b pushes the braking surface 1a of brake drum 1 and forms braking state.When braking is removed, make electromagnetism winding 9a, 9b energising back produce magnetic flux, by electromagnetic force movable iron 7a, 7b are attracted on magnetic pole strength, so, braking wrist 3a, 3b overcome the elastic force of brake spring 4a, 4b and are driven braking plate 2a, 2b leaves braking surface 1a, and braking is removed.That is, in described calutron 5, the output of the electromagnetic attraction of described electromagnet 6 is on the direction of drawing in the connecting direction with respect to the other end 3d that connects the described first and second braking wrist 3a, 3b.
That is to say, via braking plate 2a, 2b and braking wrist 3a, 3b, the braking force applying mechanism that is applied braking force by brake spring 4a, 4b has two groups, these two groups of braking force applying mechanisms are corresponding with the braking cancel system that is made of shared yoke 8, electromagnetism winding 9a, 9b and movable iron 7a, 7b respectively, thereby constitute two groups of arrestment mechanisms that can play a role separately as braking device.
And as shown in Figure 2, described calutron 5 also can be combined into an electromagnetism winding 9 with two electromagnetism winding 9a, the 9b of Fig. 1.
And as shown in Figure 3, but described calutron 5 also can be made of two motor magnet 6a, 6b and a fixed iron plate 7.Identical with Fig. 1, described calutron 5 be arranged on the described first and second braking wrist 3a, 3b the other end 3d near, the pushing force that is used for brake off spring 4a, 4b, described electromagnet 6a, 6b are made of yoke 8a, 8b and electromagnetism winding 9a, 9b, and fixed iron piece 7 is oppositely arranged with magnetic pole strength 10a, the 10b of electromagnet 6a, 6b.Described electromagnet 6a, 6b energising back produces magnetic flux, and electromagnetic attraction acts on the described fixed iron piece 7, thereby electromagnet 6a, 6b are held.But by described motor magnet 6a, 6b, the other end 3d of described braking wrist 3a, 3b is driven.In described calutron 5, the output of the electromagnetic attraction of described electromagnet 6a, 6b is on the direction of drawing in the connecting direction with respect to the other end 3d that connects the described first and second braking wrist 3a, 3b.
Fig. 4 to Fig. 6 represents the second embodiment of the present invention, and Fig. 4 is the plan view as the inner peripheral surface brake type electro-magnetic braking device of second embodiment of the invention, and Fig. 5 and Fig. 6 are respectively the plan views of the calutron different with calutron shown in Figure 4.And the part identical with first embodiment adopts the prosign explanation, omits its explanation as required.
5 expression calutrons, it is made up of a fixed electromagnet 6 and two movable iron 7a, 7b and excellent 11a, 11b, and be set at the described first and second braking wrist 3a, 3b the other end 3d near, be used for the pushing force of brake off spring 4a, 4b.Described electromagnet 6 is formed by two electromagnetism winding 9a, 9b and by the common yoke of using 8 of these two electromagnetism winding 9a, 9b, this yoke 8 has magnetic pole strength 10a, 10b at Liang Chu, electromagnetism winding 9a, 9b are set on each magnetic pole strength 10a, the 10b, and in fact the device with electromagnet function has two.In addition, two movable iron 7a, 7b and this magnetic pole strength 10a, 10b are oppositely arranged, and this movable iron 7a, 7b are connected with excellent 11a, 11b.This rod 11a, 11b walk around the arranged outside of electromagnet 6, and the action of movable iron 7a, 7b outputs to movable iron 7a, the 7b side that is positioned at opposition side respectively.And excellent 11a, 11b are respectively via swingle 12a, and 12b is connected the other end 3d of described braking wrist 3a, 3b to drive.
The action of this electro-magnetic braking device is as follows.When braking, via braking wrist 3a, 3b, under the effect of brake spring 4a, 4b, braking plate 2a, 2b pushes the braking surface 1a of brake drum 1 and forms braking state.When braking is removed, make electromagnetism winding 9a, 9b energising and produce magnetic flux, by electromagnetic force movable iron 7a, 7b are attracted on magnetic pole strength 10a, 10b, so, by excellent 11a, 11b and swingle 12a, 12b, braking wrist 3a, 3b overcome the elastic force of brake spring 4a, 4b and are driven, braking plate 2a, 2b leave braking surface 1a, and braking is removed.That is, in described calutron 5, the output of the electromagnetic attraction of described electromagnet 6 is on the direction of connecting direction for release with respect to the other end 3d that connects the described first and second braking wrist 3a, 3b.
That is to say, via braking plate 2a, 2b and braking wrist 3a, 3b, the braking force applying mechanism that is applied braking force by brake spring 4a, 4b has two groups, these two groups of braking force applying mechanisms are corresponding with the braking cancel system that is made of shared yoke 8, electromagnetism winding 9a, 9b, movable iron 7a, 7b, excellent 11a, 11b and swingle 12a, 12b respectively, thereby constitute two groups of arrestment mechanisms that can play a role separately as braking device.
Again, as shown in Figure 5, described calutron 5 also can be combined by two electromagnetism winding 9a, the 9b of Fig. 4 and constitute an electromagnetism winding 9.
And as shown in Figure 6, but described calutron 5 also can be made of two motor magnet 6a, 6b and a fixed iron plate 7.Identical with Fig. 4, described calutron 5 be arranged on the described first and second braking wrist 3a, 3b the other end 3d near, the pushing force that is used for brake off spring 4a, 4b, described electromagnet 6a, 6b are made of yoke 8a, 8b and electromagnetism winding 9a, 9b, and fixed iron piece 7 is oppositely arranged with magnetic pole strength 10a, the 10b of electromagnet 6a, 6b.Described electromagnet 6a, 6b energising back produces magnetic flux, and under the effect of electromagnetic attraction, but motor magnet 6a, 6b are inhaled on fixed iron piece 7.But described motor magnet 6a, 6b are connected with excellent 11a, 11b, but this rod 11a, 11b walk around the arranged outside of motor magnet 6a, 6b.And, but but the action of motor magnet 7a, 7b is outputed to motor magnet 6a, the 6b side that is positioned at opposition side respectively, and via rotating rod 12a, 12b drives the other end 3d of described braking wrist 3a, 3b.In described calutron 5, the output of the electromagnetic attraction of described electromagnet 6a, 6b is on the direction that pushes in the connecting direction with respect to the other end 3d that connects the described first and second braking wrist 3a, 3b.
Fig. 7 is the plan view as the outer circumferential face brake type electro-magnetic braking device of third embodiment of the invention, and the part identical with first embodiment adopts the prosign explanation, omits its explanation as required.
In Fig. 7,1 expression is as being braked the brake drum of body, braking plate 2a, 2b respectively with the periphery braking surface 1b butt of this brake drum 1.3a, 3b represent a pair of braking wrist, possess described braking plate 2a, 2b, and one end 3c rotatably is supported.4a, 4b represent brake spring, and the other end 3d that it is arranged on braking wrist 3a, 3b makes described braking plate 2a, and 2b can be to braking surface 1a, and 1b applies pushing force.From connecting the connection side of braking wrist 3a, 3b the other end 3d, the elastic force of this brake spring 4a, 4b is applied on the direction that braking wrist 3a, 3b are drawn in.
5 expression calutrons, it is made up of a fixed electromagnet 6 and two movable iron 7a, 7b and excellent 11a, 11b, be arranged on the described first and second braking wrist 3a, 3b the other end 3d near, be used to remove the pushing force of described brake spring 4a, 4b.Described electromagnet 6 is formed by two electromagnetism winding 9a, 9b and by the common yoke of using 8 of these two electromagnetism winding 9a, 9b, this yoke 8 has magnetic pole strength 10a, 10b at Liang Chu, electromagnetism winding 9a, 9b are set on each magnetic pole strength 10a, the 10b, and in fact the device with electromagnet function has two.In addition, two movable iron 7a, 7b and this magnetic pole strength 10a, 10b are oppositely arranged, and this movable iron 7a, 7b are connected with excellent 11a, 11b.This rod 11a, 11b walk around the arranged outside of electromagnet 6, and the action of movable iron 7a, 7b outputs to movable iron 7b, the 7a side that is positioned at opposition side respectively.And excellent 11a, 11b are connected the other end 3d of described braking wrist 3a, 3b to drive.
The action of this electro-magnetic braking device is as follows.When braking, via braking wrist 3a, 3b, under the effect of brake spring 4a, 4b, braking plate 2a, 2b pushes the braking surface 1b of brake drum 1 and forms braking state.When braking is removed, make electromagnetism winding 9a, 9b energising and produce magnetic flux, by electromagnetic force movable iron 7a, 7b are attracted on magnetic pole strength 10a, 10b, so, by excellent 11a, 11b, braking wrist 3a, 3b overcome the elastic force of brake spring 4a, 4b and are driven braking plate 2a, 2b leaves braking surface 1b, and braking is removed.That is, in described calutron 5, the output of the electromagnetic attraction of described electromagnet 6 is on the direction of connecting direction for release with respect to the other end 3d that connects the described first and second braking wrist 3a, 3b.
That is to say, via braking plate 2a, 2b and braking wrist 3a, 3b, the braking force applying mechanism that is applied braking force by brake spring 4a, 4b has two groups, these two groups of braking force applying mechanisms are corresponding with the braking cancel system that is made of shared yoke 8, electromagnetism winding 9a, 9b, movable iron 7a, 7b and excellent 11a, 11b respectively, thereby constitute two groups of arrestment mechanisms that can play a role separately as braking device.
Also have, but described calutron 5 also can be made of two motor magnet 6a, 6b and the fixed iron plate 7 shown in Fig. 6 of second embodiment.
Fig. 8 is the plan view as the outer circumferential face brake type electro-magnetic braking device of fourth embodiment of the invention, and the part identical with Fig. 7 the 3rd embodiment adopts the prosign explanation, omits its explanation at this.
5 expression calutrons, it is made up of a fixed electromagnet 6 and two movable iron 7a, 7b, be set at described first and second brake wrist 3a, 3b the other end 3d near, be used to remove the pushing force of described brake spring 4a, 4b.Described electromagnet 6 is formed by two electromagnetism winding 9a, 9b and by the common yoke of using 8 of these two electromagnetism winding 9a, 9b, this yoke 8 has magnetic pole strength 10a, 10b at Liang Chu, electromagnetism winding 9a, 9b are set on each magnetic pole strength 10a, the 10b, and in fact the device with electromagnet function has two.In addition, two movable iron 7a, 7b and this magnetic pole strength 10a, 10b are oppositely arranged, and this movable iron 7a, 7b are respectively via swingle 12a, and 12b is connected to drive with the other end 3d of described braking wrist 3a, 3b.
The action of this electro-magnetic braking device is as follows.When braking, via braking wrist 3a, 3b, under the effect of brake spring 4a, 4b, braking plate 2a, 2b pushes the braking surface 1b of brake drum 1 and forms braking state.When braking is removed, make electromagnetism winding 9a, 9b energising back produce magnetic flux, by electromagnetic force movable iron 7a, 7b are attracted on magnetic pole strength, so, by swingle 12a, 12b, braking wrist 3a, 3b overcome the elastic force of brake spring 4a, 4b and are driven, braking plate 2a, 2b leave braking surface 1b, and braking is removed.That is, in described calutron 5, the output of the electromagnetic attraction of described electromagnet 6 is on the direction of drawing in the connecting direction with respect to the other end 3d that connects the described first and second braking wrist 3a, 3b.
That is to say, via braking plate 2a, 2b and braking wrist 3a, 3b, the braking force applying mechanism that is applied braking force by brake spring 4a, 4b has two groups, these two groups of braking force applying mechanisms are corresponding with the braking cancel system that is made of shared yoke 8, electromagnetism winding 9a, 9b and movable iron 7a, 7b respectively, thereby constitute two groups of arrestment mechanisms that can play a role separately as braking device.
In addition, but described calutron 5 also can constitute by two motor magnet 6a, 6b and fixed iron plate 7 shown in Figure 3 of first embodiment.
Fig. 9 to Figure 12 represents the fifth embodiment of the present invention, Fig. 9 is the plan view of elevator hoist with inner peripheral surface brake type electromagnetic brake of first embodiment, Figure 10 is the sectional drawing of Fig. 9 A-A line, Figure 11 is the plan view of calutron part of the electromagnetic brake of Fig. 9, the calutron of the electromagnetic brake that Figure 12 and Figure 11 are suitable, expression and Fig. 9 are multi-form.
In Fig. 9 to Figure 11,21 expressions have the framework of cup-shaped recess 21a, be provided with peristome portion 22, the recess 21a of this recess 21a bottom surface 23, be formed on downside foot 24, run through this foot 24 and the hanging of main hoist cable 25 that be communicated with recess 21a established hole 26.27 expression support plates, this support plate are configured to cover the whole peristome portion 22 of framework 21, and it has protrusion 28 in the bottom, and an end 29a pivot suspension of braking wrist 29 is on this protrusion 28, and this protrusion 28 is positioned at the inboard.30 expression fastening pieces, it is made of bolt, and this bolt inserts the edge portion of support plate 27 and is screwed in the peristome portion 22 of framework 21.
31 expression main shafts, it is configured to from the bottom surface 23 of framework 21 side-prominent towards recess 21a.32 expression staor winding, it is set at the inner peripheral surface of the peristome portion 22 of framework 21.The cup-shaped solid of rotation of 33 expressions, cup-shaped similar of its shape to the recess 21a of described framework 21, and also be wholely set driving rope sheave 34 in the described cup-shaped solid of rotation 33, this driving rope sheave 34 is arranged on the peripheral part of main shaft 31 by pivot by bearing 34a.
35 expression armatures, it is set at the periphery of the 33a of foreign steamer portion of cup-shaped solid of rotation 33, and is relative with the staor winding 32 of the peristome portion 22 side outer circumferential faces that are arranged on framework 21.Constitute motor by this armature 35 with staor winding 32.36 expressions are arranged on the braking surface in the interior week of the 33a of foreign steamer portion of cup-shaped solid of rotation 33.
37 expression electromagnetic brakes are the center and are provided with two groups with symmetrical form that with main shaft 31 these two groups of electromagnetic brakes are carried out braking maneuver on reverse each other direction.An end 29a of described braking wrist 29, by the protrusion 28 of pivot suspension pin 28a pivot suspension at described support plate 27, the other end 29b of braking wrist 29 passes the slot part 27a that is located at support plate 27 inboards, crosses over the end of described peristome portion 22 and is arranged on the outside of described framework 21.27b represents cover, is made by the elastomer of softnesses such as rubber, is used to cover the gap of the slot part 27a and the braking wrist 29 of support plate 27, to prevent intrusion such as dust.38 expression braking plates, it is set in the recess 21a of described cup-shaped solid of rotation 33, is bearing in the central part 29c of described braking wrist 29 with spherical shape, simultaneously, two ends or one of them end at this braking plate 38 are supported by support spring 39, with pushing braking surface 36.Described support spring 39 be used to regulate braking plate 38 inclination and and braking surface 36 between the gap.
40 expression brake springs, it is set between spring rod 43 and the supporting station 41, and fixing by spring casting die 44 and nut 45, wherein, described spring rod 43 is connected setting through the described supporting station 41 that is arranged on framework 21 tops and with the other end 29b of braking wrist 29.That is, from connecting the connection side of the other end 29b that brakes wrist 29, the elastic force of brake spring 40 is applied on the direction of propulsion that braking wrist 29 is released, and by braking plate 38 pushing braking surfaces 36.
46 represent calutrons, adopt first embodiment's the illustrated calutron of Fig. 1 to Fig. 3.
That is, described calutron 46 is made up of a fixed electromagnet 47 and two movable iron 48a, 48b, and be set at described braking wrist 29 the other end 29b near, be used to remove the pushing force of described brake spring 40.Described electromagnet 47 directly or be arranged on the top of framework 21 by supporting station 49.And, described electromagnet 47 is formed by two electromagnetism winding 50a, 50b and by the common yoke of using 51 of these two electromagnetism winding 50a, 50b, this yoke 51 has magnetic pole strength 55a, 55b at Liang Chu, electromagnetism winding 50a, 50b are arranged on each magnetic pole strength 55a, the 55b, and in fact the device with electromagnet function has two.Two movable iron 48a, 48b and this magnetic pole strength 55a, 55b are oppositely arranged, and this movable iron 48a, 48b are threaded with rod 52 respectively individually, and fixing by set screw nut 53.One end of this rod 52 combines with the other end 29b of braking wrist 29, and the other end of rod 52 is by bearing 54 sliding bearings that are arranged on electromagnet 47 central parts.Act on described movable iron 48a when described electromagnet 47 energising backs produce magnetic fluxs, electromagnetic attraction, when 48b is last, movable iron 48a, 48b are held.By described movable iron 48a, 48b, the other end 29b of described braking wrist 29 is driven.That is, in described calutron 46, the output of the electromagnetic attraction of described electromagnet 47 is on the direction of drawing in the connecting direction with respect to the other end 29b that connects described braking wrist 29.
It is to carry out with the amount of deflection of regulating brake spring 40 by swivel nut 45 that the elastic force of brake spring 40 is regulated.And, by rotation movable iron 48a, 48b, movable iron 48a, 48b are moved towards electromagnet 47 directions, not only can regulate the stroke S1 between movable iron 48a, 48b and the electromagnet 47 like this, but also can regulate the stroke S2 between braking plate 38 and the braking surface 36.Promptly, behind the stroke S1 that limits between movable iron 48a, 48b and the electromagnet 47, just can set the stroke S2 between braking plate 38 and the braking surface 36 according to the ratio (11/12) between the action length of stroke S1 between movable iron 48a, 48b and the electromagnet 47 and braking wrist 29.On the contrary, behind the stroke S2 that limits between braking plate 38 and the braking surface 36, can the stroke S1 between movable iron 48a, 48b and the electromagnet 47 be set.
That is to say, have two groups via braking plate 38 and braking wrist 29 by the braking force applying mechanism that brake spring 40 applies braking force, these two groups of braking force applying mechanisms are corresponding with the braking cancel system that is made of electromagnet 47 and movable iron 48a, 48b respectively, thereby constitute two groups of arrestment mechanisms that can play a role separately as braking device.
Winch for elevator with said structure is installed in the fixing part of elevator lifting channel by the foot 24 of framework 21, and main hoist cable 25 passes to hang to establish hole 26 and reel to hang to be located at and drives on the rope sheave 34.And, electromagnet 47 energisings, thereby overcome the pushing force of brake spring 40 and hold movable iron 48a, 48b, by braking wrist 29, braking plate 38 leaves the braking surface 36 of cup-shaped solid of rotation 33, the braking that drives rope sheave 34 is disengaged, behind the motor start-up that constitutes by staor winding 32 and armature 35, drive rope sheave 34 rotations, rely on frictional force, main hoist cable 25 is driven, the lifting round about respectively of not shown elevator cab and balancer weight.
In addition, after electromagnet 47 power supplys disconnect, rely on the pushing force of brake spring 40, braking plate 38 is pushed by the braking surface 36 of cup-shaped solid of rotation 33, thereby brakes driving rope sheave 34, and not shown elevator cab and balancer weight are in halted state.
In having the Winch for elevator of said structure, electromagnetic brake 37 is by in the recess 21a that is arranged on described cup-shaped solid of rotation 33 and be used to push the braking plate 38 of described braking surface 36, be used to support this braking plate 38 and one end thereof 29a by the braking wrist 29 of pivot suspension pin 28a pivot suspension on described support plate 27, be used to push the brake spring 40 of this braking wrist 29 the other end 29b, and the calutron formation that is used to overcome these brake spring 40 elastic force, the other end 29b of braking wrist 29, brake spring 40 and calutron 46 are set at the outside of described framework 21.
Thus, because the other end 29b, brake spring 40 and the calutron 46 of braking wrist 29 are set in the open space of described framework 21 outsides, and only be provided with an end 29a of braking plate 38 and braking wrist 29 in the inboard of cup-shaped solid of rotation 33, so working space is open, it is convenient that the adjusting operation of the stroke S1 between adjusting operation, movable iron 48a, 48b and the electromagnet 47 of the assembling operation of electromagnetic brake 37 parts, the stroke S2 of braking plate and the adjusting operation of elastic force become.
And, in the above description, adopt calutron 46 fixedly to have the electromagnet 47 of two electromagnetism windings, and be arranged to iron plate 48a, 48b movable, but as described in Fig. 2 of first embodiment, also two electromagnetism winding 50a, 50b shown in Figure 11 can be combined into an electromagnetism winding.
In addition, as shown in figure 12, also can be as described in Fig. 3 of first embodiment, movable iron 48a among Figure 11,48b are carried out opposite setting with electromagnet 47, two movable iron 48a, 48b are fixing as an iron plate 48, make an electromagnet 47 into two and be arranged to movable form, thereby form electromagnet 47a, the 47b that has electromagnetism winding 50a, 50b respectively.That is, described electromagnet 47a, 47b are by yoke 51a, and 51b and electromagnetism winding 50a, 50b constitute, and it is relative with magnetic pole strength 55a, the 55b of electromagnet 47a, 47b that fixed iron piece 48 is configured to.This electromagnet 47a, 47b are threaded with rod 52 respectively individually, and fixing by set screw nut 53.One end of this rod 52 combines with the other end 29b of braking wrist 29, and the other end of rod 52 is by bearing 54 sliding bearings that are arranged on fixed iron piece 48 cores.
When described electromagnet 47a, 47b energising back generation magnetic flux, when electromagnetic attraction acts on the described fixed iron piece 48, electromagnet 47a, 47b are held.But by described motor magnet 47a, 47b, the other end 29b of described braking wrist 29 is driven.
In described calutron 46, the output of the electromagnetic attraction of described electromagnet 47a, 47b is on the direction of drawing in the connecting direction with respect to the other end 29b that connects described braking wrist 29.
Figure 13 to Figure 24 represents the sixth embodiment of the present invention, Figure 13 is the plan view of elevator hoist with inner peripheral surface brake type electromagnetic brake of the embodiment different with Fig. 9, Figure 14 is the sectional drawing of Figure 13 B-B line, Figure 15 is the plan view of Figure 13, Figure 16 is the calutron plan view partly of the electromagnetic brake of Figure 13, Figure 17 is the side view of Figure 16, Figure 18 is the C-C view of Figure 17, Figure 19 is the D-D view of Figure 17, Figure 20 and Figure 15 are suitable, the calutron of the electromagnetic brake that expression and Figure 13 are multi-form, Figure 21 is the calutron plan view partly of the electromagnetic brake of Figure 20, Figure 22 is the side view of Figure 21, Figure 23 is the E-E view of Figure 22, and Figure 24 is the F-F view of Figure 22.And the part identical with Fig. 9 to Figure 12 of the 5th embodiment adopts same-sign to represent.
37 expression electromagnetic brakes, brake spring 40, braking wrist 29 and applied the braking force applying mechanism of braking force by braking plate 38 identical with above-mentioned the 5th embodiment no longer carry out repeat specification herein.40 expression brake springs, it is set between spring rod 43 and the described supporting station 42, and it is fixing by spring casting die 44 and nut 45, wherein, described spring rod 43 is in the described supporting station 42 that is arranged on framework 21 tops, an end is by pivot suspension pin 42a pivot suspension, and the other end is connected with the other end 29b of braking wrist 29.That is, from connecting the connection side of the other end 29b that brakes wrist 29, the elastic force of brake spring 40 is applied on the direction that braking wrist 29 is released, and by braking plate 38 pushing braking surfaces 36.
46 expression calutrons, the Fig. 4 that adopts second embodiment basically is to calutron illustrated in fig. 6.
Promptly, described calutron 46 is made of a fixed electromagnet 47, two movable iron 48a, 48b, excellent 61a, 61b and push plate 63a, 63b, and be set at described braking wrist 29 the other end 29b near, be used to remove the pushing force of described brake spring 40.Described electromagnet 47 directly or be arranged on the top of framework 21 by supporting station 62.And, described electromagnet 47 is formed by two electromagnetism winding 49a, 49b and by the common yoke of using 51 of these two electromagnetism winding 49a, 49b, this yoke 51 has magnetic pole strength 55a, 55b at Liang Chu, electromagnetism winding 49a, 49b are set on each magnetic pole strength 55a, the 55b, and in fact the device with electromagnet function has two.Two movable iron 48a, 48b and this magnetic pole strength 55a, 55b are oppositely arranged, this movable iron 48a, 48b are connected with the end of excellent 61a, the 61b of the arranged outside of walking around electromagnet 47, the other end of this rod 61a, 61b combines with push plate 63a, 63b, the action of movable iron 48a, 48b exports the movable iron 48b that is positioned at opposition side respectively to, the 48a side.66 expressions are arranged on the swingle on the supporting station 42, and contact rod 67 is threaded with one end thereof and is fixing by set screw nut 68, and this contact rod 67 is connected with described push plate 63a, 63b.The other end of this swingle 66 is connected with the other end 29b of described braking wrist 29.That is, push plate 63a, 63b are connected to drive with the other end 29b of described braking wrist 29 by swingle 66 respectively.
64 expression springs, it is installed between push plate 63a, 63b and the supporting station 62, and is loosening to prevent the excellent 61a, the 61b that are used in conjunction with movable iron 48a, 48b.65 expressions are arranged on the support rod on the described supporting station, and described movable iron 48a, 48b are by these support rod 65 sliding bearings.
Act on described movable iron 48a when described electromagnet 47 energising backs produce magnetic fluxs, electromagnetic attraction, when 48b is last, movable iron 48a, 48b are held.By excellent 61a, 61b, push plate 63a, 63b and swingle 66, the other end 29b of described braking wrist 29 is driven.That is, in described calutron 46, the output of the electromagnetic attraction of described electromagnet 47 is on the direction of connecting direction for release with respect to the other end 29b that connects described braking wrist 29.
The elastic force of brake spring 40 is regulated, and carries out with the amount of deflection of regulating brake spring 40 by swivel nut 45.And, by regulating the length of contact rod 67, not only can regulate the stroke S1 between movable iron 48a, 48b and the electromagnet 47, but also can regulate the stroke S2 between braking plate 38 and the braking surface 36.Promptly, behind the stroke S1 that limits between movable iron 48a, 48b and the electromagnet 47, just can set the stroke S2 between braking plate 38 and the braking surface 36 according to the ratio (11/12) between the action length of stroke S1 between movable iron 48a, 48b and the electromagnet 47 and braking wrist 29.On the contrary, behind the stroke S2 that limits between braking plate 38 and the braking surface 36, can the stroke S1 between movable iron 48a, 48b and the electromagnet 47 be set.
That is to say, via braking plate 38 and braking wrist 29, the braking force applying mechanism that is applied braking force by brake spring 40 has two groups, these two groups of braking force applying mechanisms are corresponding with the braking cancel system of being made up of electromagnet 47 and movable iron 48a, 48b respectively, thereby constitute two groups of arrestment mechanisms that can play a role separately as braking device.
Winch for elevator with said structure is installed in the fixing part of elevator lifting channel by the foot 24 of framework 21, and main hoist cable 25 passes to hang to establish hole 26 and reel to hang to be located at and drives on the rope sheave 34.And, electromagnet 47 energisings, thereby overcome the pushing force of brake spring 40 and hold movable iron 48a, 48b, by braking wrist 29, braking plate 38 leaves the braking surface 36 of cup-shaped solid of rotation 33, the braking that drives rope sheave 34 is disengaged, behind the motor start-up that constitutes by staor winding 32 and armature 35, drive rope sheave 34 rotations, rely on frictional force, main hoist cable 25 is driven, the lifting round about respectively of not shown elevator cab and balancer weight.
In addition, after electromagnet 47 power supplys disconnect, rely on the pushing force of brake spring 40, braking plate 38 is pushed by the braking surface 36 of cup-shaped solid of rotation 33, thereby brakes driving rope sheave 34, and not shown elevator cab and balancer weight are in halted state.
In having the Winch for elevator of said structure, electromagnetic brake 37 is by in the recess 21a that is arranged on described cup-shaped solid of rotation 33 and be used to push the braking plate 38 of described braking surface 36, be used to support this braking plate 38 and one end thereof 29a by the braking wrist 29 of pivot suspension pin 28a pivot suspension on described support plate 27, be used to push the brake spring 40 of this braking wrist 29 the other end 29b, and the calutron formation that is used to overcome these brake spring 40 elastic force, the other end 29b of braking wrist 29, brake spring 40 and calutron 46 are set at the outside of described framework 21.
Thus, because the other end 29b, brake spring 40 and the calutron 46 of braking wrist 29 are set in the open space of described framework 21 outsides, and only be provided with an end 29a of braking plate 38 and braking wrist 29 in the inboard of cup-shaped solid of rotation 33, so working space is open, it is convenient that the adjusting operation of the stroke S1 between adjusting operation, movable iron 48a, 48b and the electromagnet 47 of the assembling operation of electromagnetic brake 37 parts, the stroke S2 of braking plate and the adjusting operation of elastic force become.
And, in the above description, adopt calutron 46 fixedly to have the electromagnet 47 of two electromagnetism windings, and be arranged to iron plate 48a, 48b movable, but as described in Fig. 6 of second embodiment, also two electromagnetism winding 49a, 49b can be combined into an electromagnetism winding.
In addition, extremely shown in Figure 24 as Figure 20, as described in Figure 12 of second embodiment's Fig. 6 and the 5th embodiment, movable iron 48a among Figure 15,48b can be carried out opposite setting with electromagnet 47, two movable iron 48a, 48b are fixing as an iron plate 48, make an electromagnet 47 into two and be arranged to movable form, thereby form electromagnet 47a, the 47b that has electromagnetism winding 49a, 49b respectively.That is, described electromagnet 47a, 47b are made of yoke 50a, 50b and electromagnetism winding 49a, 49b, and it is relative with magnetic pole strength 55a, the 55b of electromagnet 47a, 47b that fixed iron piece 48 is configured to.But described motor magnet 47a, 47b are connected with the end of excellent 61a, the 61b of the arranged outside of walking around fixed iron piece 48a, 48b, the other end of rod 61a, 61b combines with push plate 63, but but the action of motor magnet 47a, 47b exports motor magnet 47b, the 47a side that is positioned at opposition side respectively to.And push plate 63a, 63b are connected to drive with the other end 29b of described braking wrist 29 by swingle 62 respectively.But described motor magnet 47a, 47b are identical with Figure 15, by support rod 65 sliding bearings.
Act on described fixed iron piece 48a when described electromagnet 47a, 47b energising back produces magnetic flux, electromagnetic attraction, when 48b is last, but motor magnet 47a, 47b are held, by excellent 61a, 61b, push plate 63a, 63b and swingle 66, the other end 29b of described braking wrist 29 is driven.That is, in described calutron 46, the output of the electromagnetic attraction of described electromagnet 47 is on the direction of connecting direction for release with respect to the other end 29b that connects described braking wrist 29.
Claims (6)
1. electro-magnetic braking device possesses with lower member:
Has the braking plate that is arranged on the braking surface that is braked body, the first and second braking wrist that the one end is supported in rotatable mode;
Be arranged on the other end of the described first and second braking wrist, make described braking plate push described braking surface to be braked the brake spring that body is braked to described;
Constitute by yoke and electromagnetism winding, be provided in the electromagnet that moves on the connecting direction of the other end that connects the described first and second braking wrist;
By constituting with the relative iron plate of magnetic pole strength of this electromagnet to setting, the elastic force that the electromagnetic attraction that produces when switching on by electromagnet overcomes described brake spring drives the described first and second braking wrist, and the pushing force of removing described braking plate is to remove the described calutron that is braked the braking of body; It is characterized in that:
Described calutron is made of a fixed electromagnet and two movable iron, simultaneously, drives the described first and second braking wrist respectively by described movable iron, and described electromagnet is made of two electromagnetism windings and these two shared yokes of electromagnetism winding.
2. electro-magnetic braking device as claimed in claim 1 is characterized in that, described calutron is exported electromagnetic attraction in the connecting direction with respect to the other end that connects the described first and second braking wrist for drawing on direction or the release direction.
3. electro-magnetic braking device as claimed in claim 2, it is characterized in that, described calutron is provided with the output rod, this output rod drives the other end of the described first and second braking wrist respectively exporting electromagnetic attraction with respect to the connecting direction that connects the described first and second braking wrist for drawing on direction or the release direction by this output rod.
4. electro-magnetic braking device as claimed in claim 3 is characterized in that, is driven the other end of the described first and second braking wrist respectively via swingle by described output rod.
5. electro-magnetic braking device as claimed in claim 4 is characterized in that, described output rod is set at the outside of described electromagnet.
6. the electro-magnetic braking device of an elevator hoist possesses with lower member:
Be provided with the cup-shaped framework of staor winding at the inner peripheral surface of peristome portion;
Be configured to bottom surface from this framework towards the side-prominent main shaft of recess;
Be arranged in the cup-shaped portion of described framework, have cup-shaped solid of rotation by the driving rope sheave of described main shaft pivot suspension;
Be arranged on the periphery of this cup-shaped solid of rotation foreign steamer portion, relative to described staor winding the armature that is provided with;
Be arranged on the braking surface on the inner peripheral surface of described foreign steamer portion;
Its edge portion is installed in the support plate in the peristome portion of described framework; And
The electro-magnetic braking device that described braking surface is braked; It is characterized in that,
The calutron of described electro-magnetic braking device is made of a fixed electromagnet and two movable iron, simultaneously, drive the described first and second braking wrist respectively by described movable iron, described electromagnet is made of two electromagnetism windings and these two shared yokes of electromagnetism winding, be bearing on the described support plate with the end pivot of pivot suspension pin the first and second braking wrist of described electro-magnetic braking device, the end that described peristome portion is crossed in the other end is arranged on the outside of described framework, and, brake spring and calutron constitute by two groups, it is arranged on the outside of described framework, and carries out braking maneuver on opposite each other direction; By the elastic force of described brake spring braking plate is pressed against on the described braking surface braking, drive the other end of braking wrist, make braking plate leave braking surface with brake off by calutron.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004156247 | 2004-05-26 | ||
| JP2004156247A JP4359187B2 (en) | 2004-05-26 | 2004-05-26 | Electromagnetic brake device and electromagnetic brake device for elevator hoisting machine |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100813961A Division CN101240825B (en) | 2004-05-26 | 2005-05-24 | Electromagnetic braking apparatus and electromagnetic braking apparatus of elevator winding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1702347A CN1702347A (en) | 2005-11-30 |
| CN100404903C true CN100404903C (en) | 2008-07-23 |
Family
ID=35491153
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100813961A Expired - Fee Related CN101240825B (en) | 2004-05-26 | 2005-05-24 | Electromagnetic braking apparatus and electromagnetic braking apparatus of elevator winding machine |
| CNB2005100737663A Expired - Fee Related CN100404903C (en) | 2004-05-26 | 2005-05-24 | Electromagnet arrester and electromagnet arrester of cable lift of elevator |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100813961A Expired - Fee Related CN101240825B (en) | 2004-05-26 | 2005-05-24 | Electromagnetic braking apparatus and electromagnetic braking apparatus of elevator winding machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4359187B2 (en) |
| CN (2) | CN101240825B (en) |
| HK (2) | HK1079836A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830381A (en) * | 2010-04-22 | 2010-09-15 | 苏州通润驱动设备股份有限公司 | Emergency braking device acting on traction sheave of traction machine |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4718214B2 (en) * | 2005-03-23 | 2011-07-06 | 株式会社日立製作所 | Electromagnetic brake device |
| CN100340789C (en) * | 2006-01-04 | 2007-10-03 | 张家政 | Block brake |
| JP4812544B2 (en) * | 2006-06-28 | 2011-11-09 | 株式会社日立製作所 | Elevator hoisting machine |
| JP4247258B2 (en) * | 2006-09-26 | 2009-04-02 | 株式会社日立製作所 | Brake control device for elevator |
| JP4601687B2 (en) * | 2008-06-18 | 2010-12-22 | 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 |
| CN102235451B (en) * | 2010-04-23 | 2013-04-10 | 陈海水 | Cross type efficient reinforced braking method |
| CN103588060B (en) * | 2013-10-30 | 2016-06-01 | 河北东方富达机械有限公司 | A kind of elevator governor |
| JP2016156414A (en) * | 2015-02-24 | 2016-09-01 | 株式会社日立製作所 | Electromagnetic brake device and elevator |
| CN107725646B (en) * | 2017-09-11 | 2019-04-23 | 浙江零跑科技有限公司 | A kind of used in new energy vehicles gear type braking executive device |
| CN112211923A (en) * | 2020-10-30 | 2021-01-12 | 欧侠 | Stable braking equipment based on magnetic attraction principle |
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| JPH07259896A (en) * | 1994-03-18 | 1995-10-09 | Hitachi Building Syst Eng & Service Co Ltd | Maintenance device for magnet brake |
| JPH1129280A (en) * | 1997-07-10 | 1999-02-02 | Hitachi Ltd | Electromagnetic brake for elevator |
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| CN1410344A (en) * | 2001-09-28 | 2003-04-16 | 株式会社明电舍 | Braking device and lifter with same |
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2004
- 2004-05-26 JP JP2004156247A patent/JP4359187B2/en not_active Expired - Fee Related
-
2005
- 2005-05-24 CN CN2008100813961A patent/CN101240825B/en not_active Expired - Fee Related
- 2005-05-24 CN CNB2005100737663A patent/CN100404903C/en not_active Expired - Fee Related
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2006
- 2006-02-24 HK HK06102501A patent/HK1079836A1/en not_active IP Right Cessation
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- 2008-11-06 HK HK08112190.5A patent/HK1119223A1/en not_active IP Right Cessation
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07259896A (en) * | 1994-03-18 | 1995-10-09 | Hitachi Building Syst Eng & Service Co Ltd | Maintenance device for magnet brake |
| JPH1129280A (en) * | 1997-07-10 | 1999-02-02 | Hitachi Ltd | Electromagnetic brake for elevator |
| JP2000219464A (en) * | 1999-01-28 | 2000-08-08 | Hitachi Building Systems Co Ltd | Elevator electromagnetic brake opening device |
| CN1410344A (en) * | 2001-09-28 | 2003-04-16 | 株式会社明电舍 | Braking device and lifter with same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830381A (en) * | 2010-04-22 | 2010-09-15 | 苏州通润驱动设备股份有限公司 | Emergency braking device acting on traction sheave of traction machine |
| CN101830381B (en) * | 2010-04-22 | 2012-07-25 | 苏州通润驱动设备股份有限公司 | Emergency braking device acting on traction sheave of traction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101240825A (en) | 2008-08-13 |
| JP4359187B2 (en) | 2009-11-04 |
| HK1079836A1 (en) | 2006-04-13 |
| JP2005337356A (en) | 2005-12-08 |
| CN1702347A (en) | 2005-11-30 |
| HK1119223A1 (en) | 2009-02-27 |
| CN101240825B (en) | 2010-07-28 |
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