CN100526191C - Hoist of elevator - Google Patents
Hoist of elevator Download PDFInfo
- Publication number
- CN100526191C CN100526191C CNB2004800342855A CN200480034285A CN100526191C CN 100526191 C CN100526191 C CN 100526191C CN B2004800342855 A CNB2004800342855 A CN B2004800342855A CN 200480034285 A CN200480034285 A CN 200480034285A CN 100526191 C CN100526191 C CN 100526191C
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- CN
- China
- Prior art keywords
- mentioned
- brake
- annulus
- brake component
- sheave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/06—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect
- B66D5/08—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect embodying blocks or shoes
Abstract
A hoist of an elevator, comprising a hoist body having a motor and a rotating shaft rotated by the motor. A drive sheave rotatable integrally with the rotating shaft is fixed to the rotating shaft. The drive sheave comprises an annular part for wrapping main ropes on the outer peripheral part thereof. A brake device is installed on the inside of the annular part. The brake device comprises a braking member allowed to come into contact with and separated from the inner peripheral surface of the annular part and a displacement device displacing the braking member.
Description
Technical field
The present invention relates to a kind of towing machine that is used to make the elevator of car and counterweight lifting.
Background technology
In the towing machine of existing elevator, brake for rotation the rope sheave that is wound with main rope, the scheme that presses a plurality of pads on the brake disc of rope sheave being fixed in has been proposed.The external diameter of brake disc is greater than the external diameter of rope sheave.Each pad is pressed against the outer peripheral portion (with reference to patent documentation 1) of brake disc by being configured in electro-magnetic braking device around the brake disc.
Patent documentation 1: Japanese patent gazette spy opens flat 11-No. 157766
But, in existing lift appliance, electro-magnetic braking device since be configured in brake disc around, so towing machine is whole becomes big.
In addition, because each pad is pressed against the outer peripheral portion of brake disc, therefore therefore the main rope oil that disperses by the rotation of rope sheave cause each pad and the braking force that is produced that presses of brake disc to reduce attached to the outer peripheral portion of brake disc.
Summary of the invention
The present invention proposes in order to address the above problem, and its purpose is to provide a kind of towing machine of elevator, and it can realize miniaturization, and can prevent from the braking force of the rotation that drives rope sheave is reduced.
The towing machine of elevator of the present invention comprises: tractor main body, the S. A. that it has electrical motor and rotates by electrical motor; Drive rope sheave, it has sheave part and annulus, be wound with the main rope of elevator at the peripheral part of above-mentioned sheave part, above-mentioned annulus and above-mentioned sheave part are adjacent to configuration on the axial direction of above-mentioned S. A., this rope sheave and above-mentioned electrical motor be the configuration of devices spaced apart ground on the axis direction of above-mentioned S. A., and can rotate integratedly with above-mentioned S. A.; And brake equipment, it has brake component and mobile device, above-mentioned brake component can contact, separate with the inner peripheral surface of annulus, and above-mentioned mobile device is used to make brake component to move to the direction that contacts, separates with inner peripheral surface, and above-mentioned brake equipment is arranged on the inboard of annulus.
Description of drawings
Fig. 1 is the cutaway view of towing machine of the elevator of expression embodiment of the present invention 1.
Fig. 2 is the cutaway view along the II among Fig. 1-II line.
Fig. 3 is the cutaway view of towing machine of the elevator of expression embodiment of the present invention 2.
Fig. 4 is the cutaway view along the IV among Fig. 3-IV line.
The specific embodiment
Below, with reference to accompanying drawing preferred implementation of the present invention is described.
Fig. 1 is the part sectional view of towing machine of the elevator of expression embodiment of the present invention 1.In addition, Fig. 2 is the cutaway view along the II among Fig. 1-II line.In the drawings, be fixed with supporting station 1 on hoistway (not shown) top.Supporting station 1 is provided with the towing machine 2 that is used to make car and counterweight (all not shown) lifting.Towing machine 2 comprises: tractor main body 3; Drive rope sheave 4, it is arranged at tractor main body 3, and is rotated by tractor main body 3; A pair of brake equipment 5, they are used for the rotation that drives rope sheave 4 is braked.On driving rope sheave 4, be wound with the many main ropes (not shown) that are used for suspension craning cab and counterweight.The lifting in hoistway of car and counterweight by the rotation that drives rope sheave 4.
Tractor main body 3 comprises: be bearing in the electrical motor 6 on the supporting station 1; With S. A. 7, it extends from electrical motor 6 beginning on even keels, and is rotated by electrical motor 6.The leading section of S. A. 7 is rotatably mounted by supporting station 1.Drive the pars intermedia that rope sheave 4 is fixed on S. A. 7.Thus, driving rope sheave 4 can rotate integratedly with S. A. 7.
Driving rope sheave 4 comprises: the sheave part 8 that is wound with each main rope; Brake wheel 9, it is fixed on the sidepiece of sheave part 8, thereby adjacent on the axis direction of S. A. 7 with sheave part 8.The outer peripheral face of sheave part 8 is provided with a plurality of slot parts 10 along the circumferential extension of sheave part 8.Each main rope is wound on the sheave part 8 along each slot part 10.Brake wheel 9 is fixed on the sidepiece of a side opposite with the tractor main body side of sheave part 8.In addition, brake wheel 9 comprises: be fixed on the fixed part 11 on the sheave part 8; With annulus 12, it is arranged on the peripheral part of a side opposite with sheave part 8 sides of fixed part 11.That is, on brake wheel 9, be formed with the recess 13 that opens wide to the leading section side of S. A. 7 by fixed part 11 and annulus 12.The inner peripheral surface of annulus 12 has the brake surface 14 along the circumferential extension of annulus 12.
Each brake equipment 5 is by supporting station 1 supporting.In addition, each brake equipment 5 is configured in the inboard of annulus 12, promptly is configured in the recess 13.And each brake equipment 5 is configured in symmetric position about the axis of S. A. 7.Each brake equipment 5 comprises: brake component 15, its be can with brake surface 14 contact, the brake component that separates; Mobile device 16, it is used to make brake component 15 to moving with brake surface 14 contacts, the direction of separating.The rotation that drives rope sheave 4 is braked with contacting of brake surface 14 by each brake component 15.In addition, to the braking of the rotation that drives rope sheave 4 by removing each brake component 15 and separating of brake surface 14.
Each mobile device 16 comprises: force application spring 17, and it is used for brake component 15 to the direction application of force that contacts with brake surface 14; With electromagnet 18, its application of force that is used to make brake component 15 overcome force application spring 17 moves to the direction of leaving brake surface 14.Each brake component 15 is by leaving brake surface 14 to the energising of electromagnet 18, and by stopping electromagnet 18 energisings and move to the direction that contacts with brake surface 14, and be pressed against on the brake surface 14.In addition, each brake equipment 5 is force application spring 17 direct Direct Action Type brake equipments to brake component 15 application of forces.
Be provided with the pair of guide rails 19 that is used to guide brake component 15 in the inboard of brake wheel 9.In this example, each brake component 15 is guided by shared guide rail 19.19 pairs of each brake component 15 channeling conducts of each guide rail are so that be the direction vertical with brake surface 14 with brake surface 14 contact, the direction of separating.And each guide rail 19 is along the Direction guide brake component 15 of 17 pairs of brake component 15 application of forces of force application spring.In addition, guide rail 19 is fixing with respect to supporting station 1.
The size of towing machine 2 on the axis direction of S. A. 7 is greater than diametrically size.That is, towing machine 2 is for electrical motor 6 with drive the separate each other towing machine of the non-thin type that the compartment of terrain is set up in parallel of rope sheave 4 on the axis direction of S. A. 7.
Next, action is described.When normal operation, electromagnet 18 is switched on.Thus, each brake component 15 separates with brake surface 14.
When stopping electromagnet 18 energisings, each brake component 15, promptly moves to radial outside to brake surface 14 side shiftings by the application of force of force application spring 17.At this moment, each brake component 15 is guiding mobile by guide rail 19.Then, each brake component 15 is run into brake surface 14 and is compressed against on the brake surface 14.Thus, the rotation of driving rope sheave 4 is braked.
When to electromagnet 18 energising, the application of force that the electromagnetic attraction of each brake component 15 by electromagnet 18 overcomes force application spring 17 promptly moves to radially inner side to electromagnet 18 side shiftings.At this moment, each brake component 15 also is to guide mobile by guide rail 19.Thus, each brake component 15 leaves brake surface 14, makes the braking that drives rope sheave 4 be disengaged.
In the towing machine 2 of this elevator,, therefore, can reduce towing machine 2 size diametrically, thereby can make towing machine 2 miniaturizations because brake equipment 5 is arranged on the inboard of brake wheel 9.In addition, because brake component 15 contacts, separates with the brake surface 14 in the interior week of brake wheel 9, therefore, the main rope oil that can prevent to disperse by the rotation that drives rope sheave 4 is attached on the brake surface 14, therefore can prevent from the braking force of the rotation that drives rope sheave 4 is reduced.
In addition, mobile device 16 comprises: force application spring 17, its to brake component 15 to the direction application of force that contacts with brake surface 14; With electromagnet 18, it is used to make brake plate 15 to overcome the application of force of force application spring 17 and moves to the direction of leaving brake surface 14, therefore, can brake component 15 be moved back and forth by simple structure.
In addition, inboard at brake wheel 9, promptly in recess 13, be provided with the guide rail 19 that is used to guide brake component 15, therefore, brake component 15 is moved more reliably, and, when brake component 15 contacts with brake surface 14, can prevent that brake component 15 is pulled and produces mobile along the hand of rotation that drives rope sheaves 4.
In addition, in above-mentioned example, brake wheel 9 is fixed on the sidepiece of a side opposite with tractor main body 3 sides of sheave part 8, still, also brake wheel 9 can be fixed on the sidepiece of tractor main body 3 sides of sheave part 8.In this case, on brake wheel 9, formed the recess that opens wide towards tractor main body 3 sides.In addition, brake equipment 5 and guide rail 19 are arranged in the recess that tractor main body 3 sides are opened wide.
Fig. 3 is the part sectional view of towing machine of the elevator of expression embodiment of the present invention 2.In the drawings, drive the pars intermedia that rope sheave 21 is arranged on S. A. 7.In addition, driving rope sheave 21 can rotate integratedly with S. A. 7.Driving rope sheave 21 comprises: annulus 22, and it is wound with main rope at peripheral part; With fixed part 23, it is configured between annulus 22 and the S. A. 7, and is used for annulus 22 is fixed on S. A. 7.In addition, driving on the rope sheave 21, be formed with the recess 24 that opens wide towards the leading section side of S. A. 7 by annulus 22 and fixed part 23.In addition, the outer peripheral face of driving rope sheave 21 is provided with along a plurality of slot parts 25 of the circumferential extension that drives rope sheave 21.
In the inboard of annulus 22, promptly in recess 24, be provided with a pair of brake equipment 5 and pair of guide rails 19.Each brake equipment 5 is identical with embodiment 1 with each guide rail 19 structure separately.Each brake equipment 5 and guide rail 19 are by supporting station 1 supporting.
The inner peripheral surface of annulus 22 has the brake surface 26 along the circumferential extension of annulus 22.The brake component 15 of each brake equipment 5 contacts, separates with brake surface 26.Other structures are identical with embodiment 1 with action.
In this lift appliance, drive rope sheave 21 and comprise annulus 22, described annulus 22 is wound with main rope on peripheral part, brake equipment 5 is arranged on the inboard of annulus 22, promptly is arranged in the recess 24, therefore, can reduce towing machine size diametrically, and compare with the towing machine 2 of embodiment 1, can reduce the size on the axis direction of S. A. 7, thereby can make the further miniaturization of towing machine.In addition, 15 contacts of the brake surface 26 in the interior week of annulus 22 and brake component, separate, therefore, the main rope oil that can prevent to disperse by the rotation that drives rope sheave 4 is attached on the brake surface 26, can prevent from the braking force of the rotation that drives rope sheave 4 is reduced.
In addition, in above-mentioned example, on driving rope sheave 21, formed the recess 24 that opens wide towards the leading section side of S. A. 7, but also can on driving rope sheave 21, form towards the unlimited recess of tractor main body 3 sides.In this case, brake equipment 5 and guide rail 19 are arranged in the recess that tractor main body 3 sides are opened wide.
In addition, in the respective embodiments described above, the number of brake equipment 5 is two, but also can be more than one or three and three.
Claims (3)
1. the towing machine of an elevator comprises:
Tractor main body, the S. A. that it has electrical motor and rotates by above-mentioned electrical motor;
Drive rope sheave, it has sheave part and annulus, be wound with the main rope of elevator at the peripheral part of above-mentioned sheave part, above-mentioned annulus and above-mentioned sheave part are adjacent to configuration on the axial direction of above-mentioned S. A., this rope sheave and above-mentioned electrical motor be the configuration of devices spaced apart ground on the axis direction of above-mentioned S. A., and can rotate integratedly with above-mentioned S. A.; And
Brake equipment, it has brake component and mobile device, above-mentioned brake component can contact, separate with the inner peripheral surface of above-mentioned annulus, above-mentioned mobile device can make above-mentioned brake component move to the direction that contacts, separates with above-mentioned inner peripheral surface, and above-mentioned brake equipment is arranged on the inboard of above-mentioned annulus.
2. the towing machine of elevator according to claim 1 is characterized in that,
Above-mentioned mobile device comprises: force application spring, and it is used for above-mentioned brake component to the direction application of force that contacts with above-mentioned annulus; Electromagnet, it is used to make above-mentioned brake component to overcome the application of force of above-mentioned force application spring and moves to the direction of leaving above-mentioned annulus.
3. the towing machine of elevator according to claim 2 is characterized in that,
The inboard of above-mentioned annulus is provided with guide rail, and this guide rail is used for along above-mentioned force application spring the above-mentioned brake component of the Direction guide of the above-mentioned brake component application of force.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/012369 WO2006022016A1 (en) | 2004-08-27 | 2004-08-27 | Hoist of elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1882494A CN1882494A (en) | 2006-12-20 |
| CN100526191C true CN100526191C (en) | 2009-08-12 |
Family
ID=35967239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800342855A Expired - Fee Related CN100526191C (en) | 2004-08-27 | 2004-08-27 | Hoist of elevator |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1783089A4 (en) |
| JP (1) | JPWO2006022016A1 (en) |
| CN (1) | CN100526191C (en) |
| WO (1) | WO2006022016A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100415626C (en) * | 2006-08-18 | 2008-09-03 | 陈惠良 | Drum type traction machine |
| CN110831883B (en) * | 2017-05-24 | 2021-02-02 | 三菱电机株式会社 | Traction machine for elevator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000302360A (en) * | 1993-10-28 | 2000-10-31 | Mitsubishi Electric Corp | Hoisting machine for elevator |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0228489A (en) * | 1988-07-13 | 1990-01-30 | Toshiba Corp | Hoisting device for elevator |
| JPH02106590A (en) * | 1988-10-14 | 1990-04-18 | Mitsubishi Electric Corp | Elevator device |
| JPH11157766A (en) * | 1997-11-28 | 1999-06-15 | Hitachi Ltd | Hoist |
| DE19846671A1 (en) * | 1998-10-09 | 2000-04-13 | Erhard Mueller | Drive plate brake for self-propelled conveyer systems, especially elevators for people/goods, with increased redundancy has brake units in star formation and equally effective in both directions |
| JP4191333B2 (en) * | 1999-08-26 | 2008-12-03 | 三菱電機株式会社 | Elevator hoisting machine |
| JP4451034B2 (en) * | 2001-09-26 | 2010-04-14 | 三菱電機株式会社 | Braking device |
| KR100614145B1 (en) * | 2002-04-19 | 2006-08-21 | 미쓰비시덴키 가부시키가이샤 | Emergency brake device for elevator |
| DE202004005300U1 (en) * | 2004-03-31 | 2004-07-08 | Lat Suhl Ag | Lift drive unit has drive pulley between walls of bearing block and fixed on drive pulley shaft to ensure parallel alignment under load |
-
2004
- 2004-08-27 WO PCT/JP2004/012369 patent/WO2006022016A1/en active Application Filing
- 2004-08-27 EP EP04772325A patent/EP1783089A4/en not_active Withdrawn
- 2004-08-27 CN CNB2004800342855A patent/CN100526191C/en not_active Expired - Fee Related
- 2004-08-27 JP JP2006531179A patent/JPWO2006022016A1/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000302360A (en) * | 1993-10-28 | 2000-10-31 | Mitsubishi Electric Corp | Hoisting machine for elevator |
Non-Patent Citations (1)
| Title |
|---|
| 特开2003－95086 2003.04.03 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1783089A4 (en) | 2012-09-19 |
| EP1783089A1 (en) | 2007-05-09 |
| CN1882494A (en) | 2006-12-20 |
| WO2006022016A1 (en) | 2006-03-02 |
| JPWO2006022016A1 (en) | 2008-05-08 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090812 Termination date: 20190827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |