CN103991813A - Elevator device and bake device thereof - Google Patents
Elevator device and bake device thereof Download PDFInfo
- Publication number
- CN103991813A CN103991813A CN201410047370.0A CN201410047370A CN103991813A CN 103991813 A CN103991813 A CN 103991813A CN 201410047370 A CN201410047370 A CN 201410047370A CN 103991813 A CN103991813 A CN 103991813A
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- Prior art keywords
- brake
- movable iron
- lift facility
- brake equipment
- magnetic material
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Abstract
The invention discloses an elevator device and a bake device thereof which can prevent the increase of the attraction of the electromagnetic device and can realize the miniaturization of the brake device. The brake device of the elevator is provided with a brake mat, a movable iton sheet and an electromagnetic device. The brake mat can stop the elevation of the elevator compartment through pressing the brake; the movable iron sheet is provided with the brake mat; the electromagnetic device can release the pressing of the brake mat on the brake drum through attracting the movable iron sheet. The movable iron sheet is abutted against and support the brake mat and presses the brake drum to produce the brake torque.
Description
Technical field
The present invention relates to a kind of lift facility and brake equipment thereof, especially relate to lift facility and brake equipment thereof that a kind of stop mechanism of winch is improved, described winch is wound with for being suspended in the lift car of lifting and the hoist cable of counterbalanced weight in hoist trunk.
Background technology
In the prior art, in order to improve the degree of freedom that is wound with the floor plan of the winch for being suspended in the lift car of lifting and the hoist cable of counterbalanced weight in hoist trunk in hoist trunk, the various miniaturization schemes that turn to representative with slim have been disclosed.Wherein, disclosed do not adopt from the outside of brake wheel rod member etc. lever mode and directly by the load of retarding spring power by the brake equipment (for example, with reference to patent documentation 1 and 2) that is pressed in the mode brake wheel.
Above-mentioned brake equipment has adopted by the load of retarding spring power and has pressed the brake wheel that is installed on motor reel to produce the structure of braking force.
In order to press this brake wheel, in the scheme of patent documentation 1 and 2, inside at the fixed iron core that forms calutron arranges elastic body (by pressing spring), and the elastic force that this elastic body is produced passes to brake wheel by parts such as movable iron, brake shoe and brake pads.In addition, by the energising of the coil to forming calutron is disconnected discharging the elastic force that above-mentioned elastic body produces, thus can the braking of brake off pad to brake wheel.
In addition for example, in patent documentation 2, as the fixing means of above-mentioned brake equipment, method fixed iron core and electrical motor framework being fixed by bolt is disclosed.
Formerly technical literature
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 2011-190025 communique
Patent documentation 2: Japanese Patent Laid-Open 2012-26552 communique
Brief summary of the invention
The problem that invention will solve
In the above-mentioned patent documentation 1 as existing structure, adopt the structure of bearing the brake torque producing in brake pad portion by electrical motor framework, reduce thus to act on the load of the parts that are originally used as strength member, thereby realized the miniaturization of brake equipment.
But, because the parts till from movable iron to brake shoe generally all adopt magnetic substance to form, so in the time that electric current flows through coil, movable iron and brake shoe form magnetic circuit and be magnetized, between movable iron and brake shoe and electrical motor framework, produce the power attracting each other in the horizontal direction.
Thus, the braking maneuver of brake equipment becomes slow, in the worst case, even there will be calutron cannot attract movable iron, makes brake pad that the situation of friction occur.And, in the time having there is in the horizontal direction the power attracting each other between movable iron and electrical motor framework, required attractive force need to increase calutron and attract movable iron time, thus, may cause calutron self to maximize, even may cause movable iron to maximize.
On the other hand, in patent documentation 2, be provided with the O-ring seals as non-magnetic material in the side of movable iron, the overhang according to O-ring seals from movable iron, can reduce magnetized impact, but its effect only only limits to the overhang of O-ring seals from movable iron.In addition, in the time having there is brake torque, can there is a small amount of compression in O-ring seals, makes the gap smaller between movable iron and electrical motor framework and between brake shoe and electrical motor framework, and magnetized impact increases.For this reason, as mentioned above, attractive force required may make calutron attract movable iron time increases, and causes calutron self to maximize, and even can cause movable iron to maximize.
In addition, the movable iron the multiview drawing of observing from braking drum surface and the shape of brake shoe are in tetragonal situation, are shaped as tetragonal O-ring seals and belong to special member, so can produce adverse influence aspect cost.In addition, because the winch being arranged in hoist trunk has been realized slimming, so when the shape of movable iron is arranged to circle, compared with tetragonal situation, the degree of freedom of size aspect reduces.
Summary of the invention
The present invention completes in view of the problems referred to above of the prior art, the object of the present invention is to provide a kind of lift facility and brake equipment thereof, and it not only can prevent from unnecessarily increasing the attractive force of calutron, but also can realize miniaturization.
Solution
To achieve these goals, the brake equipment of lift facility of the present invention possesses brake pad, movable iron and calutron, described brake pad makes lift car stop lifting by pressing brake wheel, in described movable iron, be provided with this brake pad, described calutron is by attracting this movable iron to remove the pressed state of described brake pad to described brake wheel, the brake equipment of described lift facility is characterised in that, the brake torque producing when described brake wheel being pressed by making described movable iron and electrical motor framework butt support described brake pad, and adopt non-magnetic material to form the abutting part of described movable iron.
In addition, feature of the present invention is also, be provided with and press bolt at the abutting part of the non-magnetic material part of described movable iron, described in press bolt and whether carried out the action detection switch of action and move for making to detect described movable iron.
In addition, feature of the present invention is also, also be provided with in the opposition side of a side of the abutting part that is formed with described non-magnetic material of described movable iron and the abutting part being formed by non-magnetic material of described electrical motor framework butt, be provided with for making the bolt of pressing that action detection switch for subsequent use moves at the abutting part of this non-magnetic material.
In addition, feature of the present invention is also, presses the vertical top of bolt described in described action detection switch is configured in, and is fixed on described calutron.
In addition, feature of the present invention is also, described in press bolt and make in linkage described action detection switch move by described calutron to the attraction action of described movable iron.
In addition, to achieve these goals, elevator setting of the present invention be characterised in that possess lifting in hoist trunk lift car and counterbalanced weight, suspend the hoist cable of this lift car and counterbalanced weight in midair and be wound with the winch of this hoist cable, described winch is by brake wheel, consist of brake equipment and electrical motor framework that braking element is braked by the peripheral part that is pressed in this brake wheel, and described brake equipment is the brake equipment with described structure.
Invention effect
According to the present invention, not only can prevent from unnecessarily increasing the attractive force of calutron, but also can make lift facility and brake equipment thereof realize miniaturization.
Brief description of the drawings
Fig. 1 is the block diagram that represents the general configuration of lift facility of the present invention.
Fig. 2 is the enlarged front view that represents the main portion of the first embodiment of the brake equipment of lift facility of the present invention.
State when Fig. 3 is illustrated in and has produced brake torque under the state of Fig. 2.
Fig. 4 is the enlarged front view that represents the main portion of the second embodiment of the brake equipment of lift facility of the present invention.
Description of reference numerals is as follows:
1 ... lift car, 2 ... counterbalanced weight, 3 ... main hoisting rope, 4 ... winch, 5 ... drive rope sheave, 6 ... hoist trunk, 10 ... electrical motor framework, 11 ... brake wheel, 21 ... brake pad, 22 ... brake shoe, 23 ... movable iron, 24 ... fixed iron core, 25 ... restraining coil, 26 ... elastic body, 27 ... fixed iron core fixed-use bolt, 28 ... fixed iron core location liner, 29 ... action detection switch, 29A ... action detection switch for subsequent use, 30 ... lift facility, 31 ... brake equipment, 32, 32A ... non-magnetic material, 33, 33A ... press bolt, 34 ... the load direction that lift facility applies
Detailed description of the invention
Referring to illustrated embodiment, lift facility of the present invention and brake equipment thereof are described.It should be noted that, in each embodiment, identical component parts adopts identical Reference numeral.
[the first embodiment]
First, with reference to Fig. 1, lift facility is described.As shown in Figure 1, to have at the hoist cable of the lift car 1 of hoist trunk 6 interior liftings and counterbalanced weight 2, suspention lift car 1 and counterbalanced weight 2 be that main hoisting rope 3 and main hoisting rope 3 are wound in the winch 4 that drives rope sheave 5 to lift facility 30.
And lift car 1 and counterbalanced weight 2 drive the main hoisting rope 3 of rope sheave 5 to drive and carry out lifting in hoist trunks 6 to being wound in by winch 4.
Fig. 2 represents the first embodiment of the brake equipment 31 that the winch 4 of above-mentioned lift facility 30 is braked.
As shown in Figure 2, winch 4 is mainly made up of brake wheel 11, brake equipment 31 and electrical motor framework 10, and this brake equipment 31 is by braking the brake pad 21 as braking element by the peripheral part that is pressed in this brake wheel 11.
Brake equipment 31 comprises: make lift car 1 stop the brake pad 21 of lifting by pressing brake wheel 11; Movable iron 23, it is provided with brake pad 21 by brake shoe 22; Calutron, this calutron is made up of fixed iron core 24 and restraining coil 25, and by attracting movable iron 23 to carry out the pressed state of brake off pad 21 to brake wheel 11; And elastic body 26, it is arranged at fixed iron core 24, in the time of braking, movable iron 23 is applied to elastic force, by brake shoe 22, brake pad 21 is pressed on to brake wheel 11.In addition, fixed iron core 24 is fixed on electrical motor framework 10 with liner 28 by fixed iron core fixed-use bolt 27 across fixed iron core location.
And, in the present embodiment, the brake torque producing when brake wheel 11 being pressed by making movable iron 23 and electrical motor framework 10 butts support brake pad 21, and adopt non-magnetic material (for example corrosion-resistant steel or aluminium) 32 to form the abutting part of movable iron 23.And, in the present embodiment, the abutting part of the non-magnetic material 32 of movable iron 23 be provided with make that action detection switch 29 moves press bolt 33, whether this action detection switch 29 moves for detection of movable iron 23.
Above-mentioned action detection switch 29 is arranged on the vertical top of pressing bolt 33, and is fixed on fixed iron core 24.In addition, above-mentionedly press bolt 33 and make in linkage action detection switch 29 move by fixed iron core 24 to the attraction action of movable iron 23.
Then, the action of the brake equipment 31 to the present embodiment describes.Specifically, in the time of braking, utilize the elastic force of elastic body 26, by movable iron 23 and brake shoe 22, brake pad 21 is pressed on to brake wheel 11, thus the rotation of brake wheel 11 is braked.In addition, in the time of brake off, by making electric current flow through restraining coil 25, movable iron 23 is attracted towards fixed iron core 24, carry out thus the braking of brake off pad 21 to brake wheel 11.
As mentioned above, movable iron 23 is the parts that move along the vertical direction of Fig. 2 together with brake shoe 22 and brake pad 21.
State when Fig. 3 is illustrated in and has produced brake torque under the state of Fig. 2.As shown in Figure 3, under the effect of the load (load direction 34) applying at lift facility 30, between brake pad 21 and brake wheel 11, produce brake torque, under the effect of this brake torque, movable iron 23 contacts with electrical motor framework 10.Due to brake equipment 31 brake off power under this state, so movable iron 23 moves under the state contacting with electrical motor framework 10.
As mentioned above, in the time of brake off, make electric current flow through restraining coil 25, movable iron 23 is attracted towards fixed iron core 24, so movable iron 23 magnetization occurs and attracts each other with electrical motor framework 10.There is position relationship enough far away between movable iron 23 and electrical motor framework 10 time, can there is not above-mentioned situation, and bearing by electrical motor framework 10 in the structure of brake torque, because movable iron 23 and electrical motor framework 10 are arranged on very contiguous position, so movable iron 23 will inevitably be attracted by electrical motor framework 10.Now, the action can there is braking force releasing time becomes situation slow or that braking force cannot be removed.
For fear of occurring above-mentioned situation, in the present embodiment, the part with electrical motor framework 10 butts in movable iron 23 arranges non-magnetic material 32, by this non-magnetic material 32 is set, can avoid or relax the situation that movable iron 23 is attracted by electrical motor framework 10.
Thus, can make the action of movable iron 23 become steadily, and can eliminate the state that the braking of brake equipment 31 cannot be removed.In addition, can there is not lift facility 30, at brake pad 21 and brake wheel 11, the situation of moving under the state of friction occur.Required attractive force when not needing to increase calutron and attract movable iron 23, so do not need to make device to maximize, can realize the miniaturization of brake equipment 31 thus.
In addition, in the present embodiment, what in the part with electrical motor framework 10 butts of non-magnetic material 32 action detection switch 29 use are set presses bolt 33, and on its vertical top, action detection switch 29 is fixed on to fixed iron core 24.That is to say, by the bolt 33 of pressing of action detection switch 29 use is arranged on to non-magnetic material 32 and parts electrical motor framework 10 butts, what do not need to guarantee to arrange action detection switch 29 use presses the required space of bolt 33, and by non-magnetic material 32 is installed, can effectively utilize bulk, can structurally make thus brake equipment 31 realize miniaturization.
In existing structure, by bearing brake torque by electrical motor framework 10, dwindle thus the size of other strength members, to realize the miniaturization of brake equipment 31, in this structure, exist and cause the excessive problem of calutron.On the other hand, in the present embodiment, there is movable iron 23 and the brake shoe 22 of described structure by setting, can prevent from causing in order unnecessarily to increase attractive force calutron to maximize, in addition, by the part with electrical motor framework 10 butts in movable iron 23, non-magnetic material 32 is set, can avoids or relax the situation that movable iron 23 is attracted by electrical motor framework 10, can maximize by anti-locking apparatus thus, and can realize the miniaturization of brake equipment 31.
[the second embodiment]
Fig. 4 represents the second embodiment of brake equipment 31 of the present invention.
As shown in Figure 4, in the present embodiment, also be provided with and the abutting part for example, being formed by non-magnetic material (corrosion-resistant steel or aluminium) 32A of electrical motor framework 10 butts in the movable iron 23 of the opposition side of a side of the illustrated abutting part that is formed with non-magnetic material 32 of the first embodiment 1, and abutting part being provided with at this non-magnetic material 32A pressed bolt 33A, this presses bolt 33A for action detection switch 29A for subsequent use is moved.
According to the present embodiment, except obtaining the effect identical with above-mentioned the first embodiment, can also be in the time having there is fault in action detection switch 29, before substitute is ready to, by being switched to action detection switch 29A for subsequent use, can shorten the operation standing time of lift facility 30.
It should be noted that, the present invention is not limited in above-described embodiment, can also comprise various variation.For example, the present invention will be described in detail for the mode to be easily understood for above-described embodiment, but do not mean that the present invention must have all structures of carrying out explanation.In addition, a part of structure of some embodiment can be replaced with to the structure of other embodiment, also the structure of other embodiment can be appended in the structure of some embodiment, also can a part of structure of each embodiment be appended, be deleted and be replaced by other structures.
Claims (6)
1. the brake equipment of a lift facility, it possesses brake pad, movable iron and calutron, described brake pad makes lift car stop lifting by pressing brake wheel, in described movable iron, be provided with this brake pad, described calutron is by attracting this movable iron to remove the pressed state of described brake pad to described brake wheel
The brake equipment of described lift facility is characterised in that,
The brake torque producing when described brake wheel being pressed by making described movable iron and electrical motor framework butt support described brake pad, and adopt non-magnetic material to form the abutting part of described movable iron.
2. the brake equipment of lift facility according to claim 1, is characterized in that,
Be provided with and press bolt at the abutting part of the non-magnetic material part of described movable iron, described in press bolt and whether carried out the action detection switch of action and move for making to detect described movable iron.
3. the brake equipment of lift facility according to claim 2, is characterized in that,
Also be provided with in the opposition side of a side of the abutting part that is formed with described non-magnetic material of described movable iron and the abutting part being formed by non-magnetic material of described electrical motor framework butt, be provided with for making the bolt of pressing that action detection switch for subsequent use moves at the abutting part of this non-magnetic material.
4. the brake equipment of lift facility according to claim 2, is characterized in that,
Described in described action detection switch is configured in, press the vertical top of bolt, and be fixed on described calutron.
5. the brake equipment of lift facility according to claim 2, is characterized in that,
Describedly press bolt and make in linkage described action detection switch move by described calutron to the attraction action of described movable iron.
6. a lift facility, is characterized in that,
Described lift facility have lifting in hoist trunk lift car and counterbalanced weight, suspend the hoist cable of this lift car and counterbalanced weight in midair and be wound with the winch of this hoist cable,
Described winch is by brake wheel, consist of brake equipment and electrical motor framework that braking element is braked by the peripheral part that is pressed in this brake wheel,
Described brake equipment is the brake equipment described in any one in claim 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013030594A JP2014159319A (en) | 2013-02-20 | 2013-02-20 | Elevator device and brake gear of the same |
| JP2013-030594 | 2013-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103991813A true CN103991813A (en) | 2014-08-20 |
Family
ID=51306199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410047370.0A Pending CN103991813A (en) | 2013-02-20 | 2014-02-11 | Elevator device and bake device thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014159319A (en) |
| CN (1) | CN103991813A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584951A (en) * | 2014-11-11 | 2016-05-18 | 株式会社日立制作所 | Electromagnetic braking device |
| CN106241532A (en) * | 2015-06-09 | 2016-12-21 | 株式会社日立制作所 | Elevator |
| CN113371630A (en) * | 2020-03-09 | 2021-09-10 | 富士达株式会社 | Brake device for elevator and elevator |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288100B (en) * | 2018-12-10 | 2023-03-14 | 奥的斯电梯公司 | Brake device, brake device detection method, and elevator system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000219464A (en) * | 1999-01-28 | 2000-08-08 | Hitachi Building Systems Co Ltd | Elevator electromagnetic brake opening device |
| CN1589232A (en) * | 2002-10-29 | 2005-03-02 | 三菱电机株式会社 | Elevator braking device |
| CN1916435A (en) * | 2005-08-17 | 2007-02-21 | 三阳工业株式会社 | Brake gear |
| CN101160256A (en) * | 2006-03-22 | 2008-04-09 | 三菱电机株式会社 | Brake gear of windlass for elevator |
| JP2011190025A (en) * | 2010-03-15 | 2011-09-29 | Hitachi Ltd | Hoisting machine and elevator device using the same |
| CN102344098A (en) * | 2010-07-27 | 2012-02-08 | 东芝电梯株式会社 | Brake having noise elimination function |
| CN102381599A (en) * | 2010-09-01 | 2012-03-21 | 株式会社日立制作所 | Electromagnetic brake and elevator device |
-
2013
- 2013-02-20 JP JP2013030594A patent/JP2014159319A/en active Pending
-
2014
- 2014-02-11 CN CN201410047370.0A patent/CN103991813A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000219464A (en) * | 1999-01-28 | 2000-08-08 | Hitachi Building Systems Co Ltd | Elevator electromagnetic brake opening device |
| CN1589232A (en) * | 2002-10-29 | 2005-03-02 | 三菱电机株式会社 | Elevator braking device |
| CN1916435A (en) * | 2005-08-17 | 2007-02-21 | 三阳工业株式会社 | Brake gear |
| CN101160256A (en) * | 2006-03-22 | 2008-04-09 | 三菱电机株式会社 | Brake gear of windlass for elevator |
| JP2011190025A (en) * | 2010-03-15 | 2011-09-29 | Hitachi Ltd | Hoisting machine and elevator device using the same |
| CN102344098A (en) * | 2010-07-27 | 2012-02-08 | 东芝电梯株式会社 | Brake having noise elimination function |
| CN102381599A (en) * | 2010-09-01 | 2012-03-21 | 株式会社日立制作所 | Electromagnetic brake and elevator device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584951A (en) * | 2014-11-11 | 2016-05-18 | 株式会社日立制作所 | Electromagnetic braking device |
| CN105584951B (en) * | 2014-11-11 | 2018-03-16 | 株式会社日立制作所 | Electro-magnetic braking device |
| CN106241532A (en) * | 2015-06-09 | 2016-12-21 | 株式会社日立制作所 | Elevator |
| CN113371630A (en) * | 2020-03-09 | 2021-09-10 | 富士达株式会社 | Brake device for elevator and elevator |
| CN113371630B (en) * | 2020-03-09 | 2023-02-17 | 富士达株式会社 | Brake device for elevator and elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014159319A (en) | 2014-09-04 |
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Application publication date: 20140820 |