CN102381618A - Winding engine for elevator - Google Patents
Winding engine for elevator Download PDFInfo
- Publication number
- CN102381618A CN102381618A CN2011102453093A CN201110245309A CN102381618A CN 102381618 A CN102381618 A CN 102381618A CN 2011102453093 A CN2011102453093 A CN 2011102453093A CN 201110245309 A CN201110245309 A CN 201110245309A CN 102381618 A CN102381618 A CN 102381618A
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- CN
- China
- Prior art keywords
- elevator
- winch
- braked
- brake pad
- window portion
- 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.)
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- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention provides a winding engine for an elevator, wherein the winding engine for an elevator can simplify the work performed in a narrow place and can conveniently perform the inspection of a brake pad. The framework (8) at the periphery of the mounting portion of an electromagnetic brake apparatus (9) is provided with a maintenance inspection window portion (10) through cutting methods; if the front surface of the electromagnetic brake apparatus (9) is covered by a cover body, the cover body is provided with the maintenance inspection window portion (10) through cutting methods; the maintenance inspection window portion (10) performs visual check on a braked body (7) and the periphery of the contact portion of the braking pad (11) of the electromagnetic braking device (9) pressing the braked body (7) for braking, and can take out the braking pad (11) out of the elevator car (2) and assembles size of the braking pad (11).
Description
Technical field
The present invention relates to a kind of Winch for elevator that in lift facility, uses.
Background technology
In general, in the machine room-less elevator that the Machine Room is not set, the equipment that should be arranged in the Machine Room is arranged in the hoist trunk, and Winch for elevator also is arranged in the hoist trunk.For example, the centre portion of the short transverse that Winch for elevator is arranged on hoist trunk be positioned at the space of lift car and hoist trunk between the walls the time, use can be arranged on the slim winch in this limited space.On the other hand, as the brake gear of Winch for elevator, known have brake pad by the brake gear (for example with reference to patent documentation 1) to brake on the outer peripheral portion that is braked body cylindraceous that is pressed in and drives rope sheave rotation synchronously.
The clear 59-144835 communique of patent documentation 1 Japan's open patent
, in existing Winch for elevator, in the limited space that Winch for elevator is arranged on lift car and hoist trunk between the walls, must carry out miniaturization to Winch for elevator.On the other hand, because braking element can wear and tear, thus must Winch for elevator be configured to and can keep in repair braking element and check from the lift car side, and can change braking element as required.To the latter's requirement, in existing Winch for elevator, adopted whole brake gear is disassembled the method that back taking-up brake pad is checked.Therefore, in existing Winch for elevator,, need carry out field-strip, thereby need the expensive time in narrow place for brake pad is checked.
Summary of the invention
The object of the present invention is to provide a kind of Winch for elevator, this Winch for elevator can be reduced at the operation that carry out in narrow place, makes it possible to carry out easily the inspection of brake pad.
To achieve these goals, the present invention provides a kind of Winch for elevator, and it has: drive rope sheave, be wound with the main hoist cable of suspention lift car and counterbalanced weight on this driving rope sheave; Be braked body, this is braked body and the rotation of said driving rope sheave one; And electro-magnetic braking device; This electro-magnetic braking device has and contacts with the said outer peripheral portion pressure that is braked body and be braked the brake pad that body is braked to said; Said Winch for elevator is characterised in that, near the said contact portion that is braked body and said brake pad, is formed with the maintenance examination that can be used for carrying out visual inspection and uses window portion.
For this reason; Need as existing Winch for elevator, whole brake gear or cover body etc. not disassembled back taking-up brake pad and carry out visual inspection, and can under the state that electro-magnetic braking device is installed with, carry out visual inspection with window portion to brake pad and the state that is braked body through maintenance examination easily.
In addition, in the present invention, except said structure, also said maintenance examination is arranged to have the size that can take out said brake pad with window portion.Therefore; Carrying out after the visual inspection from maintenance examination with window portion; When if discovery need be changed brake pad because of the excessive abrasion of brake pad; Need electro-magnetic braking device just not disassembled and can take out brake pad with window portion from maintenance examination, and can be from maintenance examination with the insertion of window portion and new brake pad is set, so operation is very simple.
In the present invention, except said structure, also said maintenance examination is formed towards said lift car side with window portion again.Therefore, the maintainer can carry out visual inspection to brake pad through maintenance examination with window portion easily from the lift car side with enough inspection spaces.
The invention effect
According to Winch for elevator involved in the present invention; Need as existing Winch for elevator, whole electro-magnetic braking device or cover body etc. not disassembled back taking-up brake pad and carry out visual inspection, and can under the installing condition of electro-magnetic braking device, carry out visual inspection with window portion to brake pad and the state that is braked body through maintenance examination easily.
Description of drawings
Fig. 1 is the front view of the main portion of the related Winch for elevator of an expression embodiment of the present invention.
Fig. 2 is the section drawing of general configuration that the lift facility of Winch for elevator shown in Figure 1 has been used in expression.
Fig. 3 is the lateral plan of the partial cross section of Winch for elevator shown in Figure 1.
Fig. 4 is the section drawing of the electro-magnetic braking device of Winch for elevator shown in Figure 1.
Nomenclature
1 hoist trunk
2 lift cars
3 counterbalanceds weight
4 Winch for elevator
5 drive rope sheave
6 main hoist cables
7 are braked body
8 frameworks
9 electro-magnetic braking devices
Window portion is used in 10 maintenance examinations
11 brake pads
12 S. A.s
13 electrical motors
14 cylindric juts
15 outer wall sections
16 stators
17 rotors
18 openings
19 anchor fittings
29 cover bodies
21 rod spares
22 movable cores
23 keep body
24 retarding springs
25 electromagnetism windings
26 cover bodies
The specific embodiment
Followingly embodiment of the present invention is described with reference to accompanying drawing.
Fig. 2 is the integrally-built section drawing that the lift facility of the related Winch for elevator of an embodiment of the present invention has been used in expression.This lift facility has the not shown main hoist cable and the Winch for elevator 4 of lift car 2, counterbalanced weight 3, suspention lift car 2 and the counterbalanced weight 3 that can in hoist trunk 1, go up and down, and main hoist cable is wound on the driving rope sheave 5 of Winch for elevator 4.Driving the main hoist cable 3 that is wound on the driving rope sheave 5 through Winch for elevator 4 goes up and down lift car 2 and counterbalanced weight 3 in hoist trunk.This Winch for elevator 4 is slim winchs, and it is arranged between the internal face and lift car 2 of hoist trunk 1, with a wall almost parallel ground setting in the hoist trunk 1.
Fig. 1 is the front view of Winch for elevator 4.The main hoist cable 6 of suspention lift car 2 and counterbalanced weight 3 is wound on the driving rope sheave 5 of the front surface side that is positioned at Winch for elevator 4; The behind that drives rope sheave 5 be provided with drive rope sheave 5 coaxial rotations be braked body 7, this be braked body 7 after state part and be elaborated.Being braked body 7 is held in and can be rotated freely by framework 8 with driving rope sheave 5.Be braked body 7 with drive rope sheave 5 by after the direct motor drive stated, and brake by the pair of electrical magnetic detents 9 on the upper-lower position that is arranged on framework 8.
Fig. 3 is the lateral plan in cross section of the main portion of the above-mentioned Winch for elevator 4 of expression.As shown in Figure 3, the driving rope sheave 5 that is wound with main hoist cable 6 rotatably is connected with the S. A. 12 that is arranged on the core that drives rope sheave 5 through bearing, and this S. A. 12 is fixed on the core of framework 8 with cantilevered fashion.The rear side that drives rope sheave 5 is provided with the body 7 that is braked cylindraceous integratedly, and the electrical motor 13 of outer-rotor type is arranged between this subtend that is braked body 7 and framework 8 part.
At this, be braked body 7 and be magnetic substance, be fitted with the polylith permanent magnet accordingly at inner peripheral surface that is braked body 7 and stator 16, be braked the surperficial magnet-type rotor 17 that body 7 constitutes the double as rotor rim.Permanent magnet alternately is provided with the N utmost point and the S utmost point on circumferentially, the N utmost point is identical with the quantity of the S utmost point, and this quantity is the half the of electromotor series.Rotor 17 is positioned at the outside of the stator 16 that is fixed on the framework 8, across air gap diametrically opposed to.The moment of rotation that is produced by this electrical motor 13 is delivered on the driving rope sheave 5 through being braked body 7, is wound on the main hoist cable 6 that drives on the rope sheave 5 with driving.
Be provided with in the upper and lower of said frame 8 respectively independently being braked the pair of electrical magnetic detents 9 of the same structure that body 7 brakes.Each electro-magnetic braking device 9 as after state part and push respectively being elaborated and be braked body 7 so that its rotation is braked, stop simultaneously to drive rope sheave 5 rotations.
Usually, be provided with framework 8 and cover body 26, so face side can't see the brake pad (brake pad then state part be elaborated) of electro-magnetic braking device 9 in the past in the front surface portion of leaning on lift car 2 sides of Winch for elevator 4., in this embodiment, on the framework 8 of the front surface side that is positioned at brake pad, be formed with maintenance examination, when the front surface side is provided with cover body 26, also on cover body 26, form maintenance examination with window portion 10 with window portion 10.
The amplification sectional view of following main portion with reference to Fig. 4 describes electro-magnetic braking device 9.The attachment face of the outside wall portions 15 of framework 8 is provided with opening 18, makes brake pad 11 can pass this opening 18 and be braked body 7 and contact.Electro-magnetic braking device 9 be installed in opening 18 cooresponding positions on.This electro-magnetic braking device 9 has: cover body 20, and it is installed on the framework 8 through anchor fitting 19 removably; Rod part 21, it is configured to and can moves with respect to this cover body 20; Movable core 22, itself and this rod spare 21 is integrally formed; Keep body 23, its removably by magnetic force be adsorbed on excellent part 21 by on the end that is braked body 7 sides; Brake pad 11, itself and this keep body 23 one to install, to be braked body 7 rotations and to push and be braked body 7 in order to stop; Retarding spring 24, it carries out the application of force all the time so that brake pad 11 is pushed towards being braked body 7, gives braking force thus; And electromagnetism winding 25, it is provided with the mode of surrounding excellent part 21, when excitation, overcomes the elastic force of retarding spring 24 and brake component 11 and the direction of excellent part 21 towards brake off are driven.
Retarding spring 24 is pushed movable core 22 towards being braked body 7 sides, its result, through the excellent part 21 that is wholely set with movable core 22 with brake pad 11 by being pressed on the outer peripheral portion that is braked body 7 to brake.Relative therewith, electromagnetism winding 25 constitutes electromagnets, and it by excitation, overcomes the elastic force of retarding spring 24 and brake component 11 is driven towards leaving the direction that is braked body 7 when energising, comes brake off power with this.
Therefore, after the energising of cut-out to the electromagnetism winding 25 of electromagnet, the excitation of electromagnetism winding 25 is disengaged, and relies on the elastic force of retarding spring 24 that brake pad 11 is braked on the body 7 by being pressed in, to brake with electrical motor 13 driving rope sheave 5.At this moment, the brake pad of electro-magnetic braking device 9 11 and the contact position that is braked body 7 be up and down relatively to the position, be applied to the pressing force that is braked on the body 7 from brake pad 11 and offset through pair of electrical magnetic detents 9.
When Winch for elevator 4 is carried out maintenance examination, at first, through maintenance examination shown in Figure 1 with 10 pairs of brake pads 11 of window portion and be braked body 7 the contact site near carry out Visual Confirmation.At this moment; Need be as existing Winch for elevator whole electro-magnetic braking device 9 or cover body 20 not be disassembled the back and take out brake pad 11 and carry out visual inspection, and can under the installing condition of electro-magnetic braking device 9, carry out visual inspection easily with window portion 10 through maintenance examination.When excessive abrasion have taken place; Need change brake pad 11; When changing; Also need as existing Winch for elevator, not take out brake pad 11 and change, and can under the state that electro-magnetic braking device 9 is installed with, take out the brake pad 11 of electro-magnetic braking device 9 with window portion 10, and also can insert and be provided with new brake pad 11 with window portion 10 from maintenance examination from maintenance examination in the cover body of removing electro-magnetic braking device 9 20 backs.
As stated; In being braked body 7 structure that face side is exposed in the past; Only need on framework 8, to form maintenance examination with window portion 10, and be provided with in the structure of cover body, on framework 8 and cover body, form maintenance examination simultaneously with window portion 10 in the front surface side that is braked body 7.In a word, as long as can form the maintainer carries out visual inspection to the abrasion state of brake pad 11 under the situation that need not dismantle electro-magnetic braking device 9 maintenance examination with window portion 10.In addition; As shown in Figure 4; In this embodiment; The part of forward face side of the outer wall section 15 through excision framework 8 forms maintenance examination with window portion 10, and outer wall section 15 is arranged on brake pad 11 and maintenance body 23 corresponding two ends of the hand of rotation with being braked body 7 near.Therefore; When carrying out braking maneuver; Under the function of friction that produces because of the rotation that is braked body 7, brake pad 11 with keep body 23 on the hand of rotation that is braked body 7, to move, be supported but contact with the end of outside wall portions 15 through the end that keeps body 23; So can reduce the power of bearing, thereby can realize the miniaturization and the simplified structure of brake gear by excellent part 21.
Especially; Because the maintenance examination that can be used for brake pad 11 is carried out visual inspection is formed on the position by lift car 2 sides of Winch for elevator 4 with window portion 10, so the maintainer can easily to brake pad 11 carry out visual inspection through maintenance examination with window portion 10 with lift car 2 sides in space from having sufficient maintenance.
In this embodiment, be that example is illustrated to drive rope sheave 5 towards the structure of lift car 2 side settings, and driving the occasion that the wall of rope sheave 5 towards hoist trunk 1 is provided with, only need rear side at framework 8 to form maintenance examination and get final product with window portion 10.In addition; Winch for elevator 4 be arranged on hoist trunk 1 near the place of bottom the time; Owing to can earlier lift car 2 be moved to the top of hoist trunk 1; Get into 1 pair of Winch for elevator of hoist trunk 4 by the maintainer then and carry out maintenance examination, at this moment, can form maintenance examination at front surface side, rear side or the side of framework 8 with window portion 10; But equally with above-mentioned embodiment form maintenance examination with window portion 10, can guarantee to carry out the required sufficient space of maintenance activity easily in the front surface side.
Again, the present invention is not limited in above-mentioned embodiment, and the present invention can change design in the scope that does not break away from spirit of the present invention.For example, in this embodiment, adopted with electrical motor 13 be braked body 7 and be arranged on the structure framework 8 in together, but also can adopt electrical motor 13 and be braked the structure that body was arranged in 7 minutes.In addition, also can adopt through speed reduction gearings such as rod members the brake-force transmission of electro-magnetic braking device 9 to the structure that is braked body 7.The present invention not only can be applied to be arranged on the slim winch in the hoist trunk 1, but also can be applied to be arranged on the winch in the Machine Room.Quantity is set also can increases and decreases of brake gear 9.In addition, slim winch is meant the winch of lacking than the radical length that is braked body 7 with S. A. 12 parallel axial length.
Claims (3)
1. Winch for elevator, it has: drive rope sheave, be wound with the main hoist cable that suspends lift car and counterbalanced weight in midair on this drivings rope sheave; Be braked body, this is braked body and the rotation of said driving rope sheave one; And electro-magnetic braking device, this electro-magnetic braking device has and contacts with the said outer peripheral portion pressure that is braked body and be braked the brake pad that body is braked to said, and said Winch for elevator is characterised in that,
Near the said contact portion that is braked body and said brake pad, be formed with the maintenance examination that can be used for carrying out visual inspection and use window portion.
2. Winch for elevator as claimed in claim 1 is characterized in that,
Said maintenance examination has the size that can take out said brake pad with window portion.
3. Winch for elevator as claimed in claim 1 is characterized in that,
Said maintenance examination forms with the mode that faces said lift car side with window portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-195991 | 2010-09-01 | ||
| JP2010195991A JP2012051693A (en) | 2010-09-01 | 2010-09-01 | Elevator hoisting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102381618A true CN102381618A (en) | 2012-03-21 |
Family
ID=45821527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102453093A Pending CN102381618A (en) | 2010-09-01 | 2011-08-25 | Winding engine for elevator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012051693A (en) |
| CN (1) | CN102381618A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529402A (en) * | 2017-03-03 | 2018-09-14 | 株式会社日立制作所 | Hoist engine and lift appliance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003008320A1 (en) * | 2001-07-10 | 2003-01-30 | Mitsubishi Denki Kabushiki Kaisha | Elevator hoist |
| WO2009040913A1 (en) * | 2007-09-27 | 2009-04-02 | Mitsubishi Electric Corporation | Elevator hoist |
| CN101607660A (en) * | 2008-06-18 | 2009-12-23 | 株式会社日立制作所 | Winch for elevator |
-
2010
- 2010-09-01 JP JP2010195991A patent/JP2012051693A/en active Pending
-
2011
- 2011-08-25 CN CN2011102453093A patent/CN102381618A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003008320A1 (en) * | 2001-07-10 | 2003-01-30 | Mitsubishi Denki Kabushiki Kaisha | Elevator hoist |
| WO2009040913A1 (en) * | 2007-09-27 | 2009-04-02 | Mitsubishi Electric Corporation | Elevator hoist |
| CN101607660A (en) * | 2008-06-18 | 2009-12-23 | 株式会社日立制作所 | Winch for elevator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529402A (en) * | 2017-03-03 | 2018-09-14 | 株式会社日立制作所 | Hoist engine and lift appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012051693A (en) | 2012-03-15 |
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Application publication date: 20120321 |