CN109477531A - Electro-magnetic braking device - Google Patents
Electro-magnetic braking device Download PDFInfo
- Publication number
- CN109477531A CN109477531A CN201780041895.5A CN201780041895A CN109477531A CN 109477531 A CN109477531 A CN 109477531A CN 201780041895 A CN201780041895 A CN 201780041895A CN 109477531 A CN109477531 A CN 109477531A
- Authority
- CN
- China
- Prior art keywords
- yielding rubber
- insertion section
- recess portion
- electromagnetic brake
- yielding
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Vibration Dampers (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The present invention provides a kind of electromagnetic brake, has the slave upper surface side peripheral part protrusion that can prevent the yielding rubber in compression and touches, realizes the yielding rubber mounting structure of long lifetime.Electromagnetic brake of the invention includes the core with yielding rubber insertion section, yielding rubber insertion section is formed with chisel edge recess portion, the electromagnetic brake is characterized in that: having yielding rubber in yielding rubber insertion section, yielding rubber has the through hole penetrated through on the thickness direction of yielding rubber in central portion, which has the diameter bigger than chisel edge recess portion diameter.
Description
Technical field
The present invention relates to the electro-magnetic braking devices with yielding rubber mounting structure.
Background technique
As the background technique of the art, there is special open 2005-324955 bulletin (patent document 1).In the bulletin
In, record the deterioration of the yielding rubber used in electro-magnetic braking device.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2005-324955 bulletin
Summary of the invention
Problems to be solved by the invention
But in patent document 1 in documented electro-magnetic braking device, the worsening reason of yielding rubber is by as foreign matter
Be mixed into handle, deteriorate and do not account for caused by the deformation of yielding rubber when about as absorbing impact.Moreover, common
In yielding rubber mounting structure, evacuation is formed in the surface side periphery of the receiving recess portion (yielding rubber insertion section) formed by drill bit
Spot-facing (counterbore) is configured with yielding rubber in the receiving recess portion for being formed with the spot-facing.At steady state, yielding rubber
It is formed in upper surface side periphery and between the internal perisporium of spot-facing gap by spot-facing, but the yielding rubber in compression
Upper surface side peripheral part touches the upper end periphery for accommodating recess portion from recess portion exposing is accommodated, which can be shredded.
Therefore, the present invention provides a kind of yielding rubber mounting structure, prevents in compression outside the upper surface side of yielding rubber
Circumference exposes and touches the upper end periphery of yielding rubber insertion section from yielding rubber insertion section, realizes long lifetime.
A technical solution to solve project
In order to solve the above problems, electromagnetic brake of the invention includes the core with yielding rubber insertion section, the electromagnetism
Brake is characterized in that: having yielding rubber in yielding rubber insertion section, yielding rubber has in central portion in buffering rubber
The through hole penetrated through on the thickness direction of glue.
Invention effect
In accordance with the invention it is possible to prevent the upper surface side peripheral part of the cushion rubber in compression from yielding rubber insertion section
Upper end periphery that is prominent and touching yielding rubber insertion section, so as to realize long lifetime.In addition, class other than the above
Topic, structure and effect can be defined by the explanation of following implementation.
Detailed description of the invention
Fig. 1 is the elevator of the electro-magnetic braking device with the yielding rubber mounting structure for applying one embodiment of the invention
The front elevation of machine.
Fig. 2 is the back view with the hoist engine of electro-magnetic braking device shown in FIG. 1.
Fig. 3 is the top view of a disc brake assembly of electro-magnetic braking device shown in FIG. 1.
Fig. 4 is the main portions sectional view of disc brake assembly shown in Fig. 3.
Fig. 5 is the sectional view for indicating the main portions of yielding rubber mounting structure shown in Fig. 4.
Fig. 6 is sectional view when indicating the compression of the yielding rubber in yielding rubber mounting structure shown in fig. 5.
Fig. 7 is the sectional view for indicating the yielding rubber mounting structure of the other embodiment of the present invention.
Fig. 8 is sectional view when indicating the compression of yielding rubber mounting structure shown in Fig. 7.
Specific embodiment
Hereinafter, being illustrated based on attached drawing to the embodiment of the present invention.
Embodiment 1
Fig. 1 and Fig. 2 be include applying the hoist engine of the electromagnetic brake of yielding rubber mounting structure of the invention just
Face figure and back view.
Hoist engine 100 is formed in fixed pedestal (illustration omitted).The framework 30 of hoist engine 100 is installed on fixed pedestal,
The rotary shaft 1 of hoist engine 100 is supported in a manner of it can rotate via bearing (illustration omitted) framework 30.In hoist engine
Pulley (sheave) 2 and the bigger brake disc 3 of diameter are coaxially fixed in 100 rotary shaft 1.In the framework of hoist engine 100
30 inside is accommodated with the stator (illustration omitted) and rotor (illustration omitted) for constituting motor, and rotor is set to 1 side of rotary shaft.
In addition, the bearing portion in the framework 30 of supporting rotating shaft 1 is equipped with supporting arm 40,50, disc brake assembly 4,5 is installed respectively
In the front end mounting portion 41,51 of supporting arm 40,50.Disc brake assembly 4,5 is identical structure.Then, to a disc type system
Dynamic device device 4 (5) is illustrated.
Fig. 3 and Fig. 4 is the top view and main portions sectional view of disc brake assembly 4.
Disc brake assembly 4 includes the armature (amateur) 8 including electromagnetic coil 6 and compressed spring 7；With with armature
The core 9 of 8 relative configurations.In addition, the brake block 10,11 that disc brake assembly 4 is configured to be referred to as clamp presses on brake disc 3
Two sides, generate to the brake force of brake disc 3.
Brake is fixed in the fastening of the Traffic control system bolt 12 of operating distance when brake block 10 is braked by adjusting
Ontology 13.In contrast, brake block 11 is combined with armature 8, and being configured to can be in the braking contacted with brake disc 3 by armature 8
It is moved on direction.
As shown in figure 4, the cricoid receiving recess portion 14 of configuration electromagnetic coil 6 is formed in core 9, in the receiving recess portion 14
Peripheral part dispersion ground formed and have multiple spring insertion sections 15 for configuring compressed spring 7, in addition, in each spring insertion section 15
Near be formed with configuration yielding rubber multiple yielding rubber insertion sections 16.
Fig. 5 is the sectional view for indicating the main portions of above-mentioned yielding rubber mounting structure.
It is formed with yielding rubber insertion section 16 in 9 side of core, is formed with chisel edge recess portion in its front end (bottom) center
17.Tool is formed with about the yielding rubber 18 for being configured at the yielding rubber insertion section 16, e.g. silicon rubber system, and in central portion
There is the through hole 19 of the diameter D2 slightly larger diameter D1 than chisel edge recess portion 17.In addition, in 8 side of armature of yielding rubber 18
Peripheral part is formed with chamfered end 20.
The chamfered end 20 is to be formed in the region of the upper surface thickness direction size L2 away from yielding rubber 18 from periphery
The part of the diametrical direction region L1 of outer diameter is gradually reduced towards central side for portion.Buffering rubber of the thickness direction size L2 than core 9
Protrusion between the upper surface of the yielding rubber 18 of the upper surface of glue insertion section 16 and stable state (substantial non-compressed state)
Size H is slightly larger.Therefore, a part of the chamfered end 20 of yielding rubber 18 enters yielding rubber insertion section 16 at steady state
It is interior.
The outer diameter of yielding rubber 18 is more slightly smaller than the internal diameter of yielding rubber insertion section 16, at steady state, in yielding rubber
Gap is formed between the internal perisporium of insertion section 16 and the peripheral part of yielding rubber 18.In turn, in the peripheral part of yielding rubber 18,
The recess portion 21 for reducing outer diameter is annularly formed in the middle part of its thickness direction.
The short transverse ruler that it is for example 0.3t or so relative to the thickness t of yielding rubber 18 that the cricoid recess portion 21, which has,
Very little, diametric depth is 0.05D or so relative to the outer diameter D of yielding rubber 18.On yielding rubber 18, being formed, this is recessed
Chamfering is also formed with when portion 21.The recess portion 21 becomes relief portion when yielding rubber 18 deforms in the same manner as above-mentioned through hole 19
Part.
Fig. 6 is the cross-sectional view indicated when yielding rubber 18 compresses.
Chamfered end 20 is formed in the upper surface side peripheral part of yielding rubber 18, is formed in the central portion of yielding rubber 18
The through hole 19 penetrated through on thickness direction, and the central portion of the thickness direction in yielding rubber 18 is formed with and reduces outer diameter
Cricoid recess portion 21, even if the deflection of yielding rubber 18 is also mainly by 19 He of through hole as a result, when yielding rubber 18 compresses
The evacuation part of recess portion 21 absorbs, compared with the axial central portion of through hole 19, the upper surface side of through hole 19 and lower surface
The deformation of side is suppressed.Therefore, chamfered end 20 will not touch and (step up) upper surface side of core 9.Therefore, even if by armature
8 sharp compress yielding rubber 18, will not as in the state of the art yielding rubber 18 upper surface side peripheral part touching
To the edge of the yielding rubber insertion section 16 of core 9, protruding portion will not be generated, therefore, protruding portion in the prior art will not be generated
The problem of tearing up, can be realized long lifetime.
In addition, if drill bit is usually used when forming yielding rubber insertion section 16, in yielding rubber insertion section 16
Front end (bottom) center forms chisel edge recess portion (coniform recess portion) 17, since yielding rubber 18 touches the drill bit front end
The part at the edge of recess portion 17, yielding rubber 18 is also damaged.But due to being formed in the central part of yielding rubber 18
The through hole 19 penetrated through in a thickness direction, and keep the diameter of the through hole 19 bigger than the diameter of chisel edge recess portion 17, therefore,
Also it can prevent the deformation when yielding rubber 18 compresses due to be damaged at the edge of chisel edge recess portion 17, can be realized longevity
Lifeization.
In addition, being capable of increasing and removing by the way that chamfered end 20 is formed as thickness direction region L2 > diametrical direction region L1
Size W other than the chamfered end 20 of yielding rubber 18, can inhibit the reduction of the spring constant of yielding rubber 18 as far as possible.
Also, by being formed as the prominent size H of thickness direction region L2 >, even if also can when yielding rubber 18 compresses
The deflection for enough inhibiting yielding rubber 18, can be more reliably prevented from the upper surface side that chamfered end 20 touches core 9.
Also, by being formed asIt is annularly formed in the central portion of the thickness direction of yielding rubber 18
The recess portion 21 of outer diameter is reduced, even if yielding rubber 18 is deformed in compression to 19 side of through hole as a result, the axis with through hole 19
Deformation to central portion is compared, and the deformation of upper surface side and lower surface side is also suppressed.Therefore, yielding rubber 18 will not touch
Encounter the edge of the yielding rubber insertion section 16 of core 9 or the edge of chisel edge recess portion 17, can prevent from being inserted by yielding rubber
Deterioration caused by the edge in portion 16 or the edge of chisel edge recess portion 17, is able to extend the service life.
Embodiment 2
Fig. 7 and Fig. 8 is the stable state and compressive state for indicating the yielding rubber mounting structure of other embodiments of the invention
Sectional view.
It is formed with yielding rubber insertion section 16 in 9 side of core, is formed with chisel edge recess portion 17 in its front center.It is configured at
The yielding rubber 18 of the yielding rubber insertion section 16 is, for example, silicon rubber system, and being formed in central portion has than chisel edge recess portion
The through hole 19 of 17 diameter D2 slightly larger diameter D1.In addition, in the top peripheral part of yielding rubber 18, with yielding rubber
It is formed with the mode for becoming the cricoid gap 22 of evacuation part between the inner wall of insertion section 16, is formed with small diameter portion 23, and
And in lower section peripheral part, it is formed in a manner of only forming minimum gap between the inner wall in yielding rubber insertion section 16
Large-diameter portion 24.The cricoid gap 22 of the generation of small diameter portion 23 of the top peripheral part of yielding rubber 18 is formed in compared to core 9
Upper surface enters deeper, and the evacuation part of needs is together formed with through hole 19.In addition, the upper surface of yielding rubber 18 exists
It is more prominent than the upper surface of core 9 under stable state.
Fig. 8 is the sectional view indicated when yielding rubber 18 compresses.
The through hole 19 penetrated through in a thickness direction is formed by the central portion in yielding rubber 18, and in yielding rubber
18 peripheral part forms cricoid gap 22, even if when yielding rubber 18 compresses, the deflection of yielding rubber 18 also main quilt
Through hole 19 and gap 22 absorb, compared with the axial central portion of through hole 19, the upper surface side of through hole 19 and lower surface
The deformation of side is suppressed.Therefore, the upper surface side peripheral part of yielding rubber 18 will not touch the upper surface side of core 9.Therefore,
Even if yielding rubber 18 is sharp compressed by armature 8, will not yielding rubber 18 as prior art upper surface side
Peripheral part is absorbed and is touched the edge of yielding rubber insertion section 16 by gap 22, will not generate protruding portion, therefore, will not generate
The problem of tearing up of protruding portion as the prior art, can be realized long lifetime.
If being formed and being bored in its front center in addition, usually using drill bit in the formation of yielding rubber insertion section 16
Head front end recess portion 17, since yielding rubber 18 touches the edge of the drill bit front end recess portion 17, the portion of yielding rubber 18
Position is also damaged.But due to being formed with the through hole 19 penetrated through in a thickness direction in the central part of yielding rubber 18, and
Keep the diameter of the through hole 19 bigger than the diameter of chisel edge recess portion 17, thus, it is also possible to when preventing from compressing because of yielding rubber 18
Deformation and be damaged at the edge of chisel edge recess portion 17, can be realized long lifetime.
In addition, may include various modifications example the present invention is not limited to the above embodiments.In addition, having used buffering rubber
The yielding rubber mounting structure of glue 18 is not limited to the disc brake assembly or electro-magnetic braking device of the structure of diagram, and can
Applied to various structures.
Symbol description
6 ... electromagnetic coils, 7 ... compressed springs, 8 ... armature, 9 ... cores, 15 ... spring insertion sections, the insertion of 16 ... yielding rubbers
Portion, 17 ... chisel edge recess portions, 18 ... yielding rubbers, 19 ... through holes, 20 ... chamfered ends, 21 ... recess portions, 22 ... gaps,
23 ... small diameter portions.
Claims (5)
1. a kind of electromagnetic brake comprising the core with yielding rubber insertion section, the electromagnetic brake are characterized in that:
There is yielding rubber in the yielding rubber insertion section, the yielding rubber has in central portion in the yielding rubber
Thickness direction on the through hole that penetrates through.
2. electromagnetic brake as described in claim 1, it is characterised in that:
It is formed with chisel edge recess portion in the center of the bottom of the yielding rubber insertion section, the through hole has than the brill
The big diameter of head front end recess portion.
3. electromagnetic brake as claimed in claim 2, it is characterised in that:
With the armature being oppositely disposed with the core,
Peripheral part of the yielding rubber in the surface side being in contact with the armature, which has towards to the yielding rubber effect, presses
The chamfered end of reduced diameter is gone in the direction of contracting power.
4. the electromagnetic brake as described in Claims 2 or 3, it is characterised in that:
The yielding rubber has cricoid recess portion in the central portion of the thickness direction of its peripheral part.
5. electromagnetic brake as claimed in claim 2, it is characterised in that:
With the armature being oppositely disposed with the core, peripheral part of the yielding rubber in the surface side being in contact with the armature has
There is small diameter portion, so that there are between cricoid between the armature and the inner wall of the yielding rubber insertion section at steady state
Gap.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-134669 | 2016-07-07 | ||
| JP2016134669 | 2016-07-07 | ||
| PCT/JP2017/020512 WO2018008306A1 (en) | 2016-07-07 | 2017-06-01 | Electromagnetic brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109477531A true CN109477531A (en) | 2019-03-15 |
| CN109477531B CN109477531B (en) | 2020-03-03 |
Family
ID=60912560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780041895.5A Active CN109477531B (en) | 2016-07-07 | 2017-06-01 | Electromagnetic brake device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6577144B2 (en) |
| CN (1) | CN109477531B (en) |
| WO (1) | WO2018008306A1 (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000220666A (en) * | 1999-02-01 | 2000-08-08 | Tsubakimoto Chain Co | Muffler for deenergization operating type electromagnetic brake |
| CN1589233A (en) * | 2002-09-20 | 2005-03-02 | 三菱电机株式会社 | Winder for lift |
| CN1636858A (en) * | 2003-12-22 | 2005-07-13 | 株式会社日立制作所 | Electromagnetic braking device |
| CN1796816A (en) * | 2004-12-24 | 2006-07-05 | 上海三菱电梯有限公司 | Internal expanding type electromagnetic brake |
| JP2008120524A (en) * | 2006-11-13 | 2008-05-29 | Mitsubishi Electric Corp | Electromagnetic brake device of hoisting machine for elevator |
| JP2008281145A (en) * | 2007-05-11 | 2008-11-20 | Shinko Electric Co Ltd | Electromagnetic brake and electromagnetic clutch |
| CN201195676Y (en) * | 2008-04-18 | 2009-02-18 | 镇江美佳马达有限公司 | Brake of elevator traction machine |
| JP4286318B1 (en) * | 2008-11-07 | 2009-06-24 | 株式会社美和テック | Bridge bearing device |
| JP4758287B2 (en) * | 2006-06-14 | 2011-08-24 | 三菱電機株式会社 | Brake device for rotating machine |
| CN102297224A (en) * | 2011-08-25 | 2011-12-28 | 成都瑞迪机械实业有限公司 | Disc double multi-step buffer low-noise brake |
| CN203794537U (en) * | 2014-04-29 | 2014-08-27 | 三峡大学 | Electromagnetic brake with air pressure damping structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001039362A (en) * | 1999-08-02 | 2001-02-13 | Hitachi Constr Mach Co Ltd | Crawler belt seal device and seal to be used for the same |
| JP4076708B2 (en) * | 2000-06-13 | 2008-04-16 | Ｎｔｎ株式会社 | Railway vehicle bearing device |
-
2017
- 2017-06-01 CN CN201780041895.5A patent/CN109477531B/en active Active
- 2017-06-01 WO PCT/JP2017/020512 patent/WO2018008306A1/en active Application Filing
- 2017-06-01 JP JP2018525977A patent/JP6577144B2/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000220666A (en) * | 1999-02-01 | 2000-08-08 | Tsubakimoto Chain Co | Muffler for deenergization operating type electromagnetic brake |
| CN1589233A (en) * | 2002-09-20 | 2005-03-02 | 三菱电机株式会社 | Winder for lift |
| CN1636858A (en) * | 2003-12-22 | 2005-07-13 | 株式会社日立制作所 | Electromagnetic braking device |
| CN1796816A (en) * | 2004-12-24 | 2006-07-05 | 上海三菱电梯有限公司 | Internal expanding type electromagnetic brake |
| JP4758287B2 (en) * | 2006-06-14 | 2011-08-24 | 三菱電機株式会社 | Brake device for rotating machine |
| JP2008120524A (en) * | 2006-11-13 | 2008-05-29 | Mitsubishi Electric Corp | Electromagnetic brake device of hoisting machine for elevator |
| JP2008281145A (en) * | 2007-05-11 | 2008-11-20 | Shinko Electric Co Ltd | Electromagnetic brake and electromagnetic clutch |
| CN201195676Y (en) * | 2008-04-18 | 2009-02-18 | 镇江美佳马达有限公司 | Brake of elevator traction machine |
| JP4286318B1 (en) * | 2008-11-07 | 2009-06-24 | 株式会社美和テック | Bridge bearing device |
| CN102297224A (en) * | 2011-08-25 | 2011-12-28 | 成都瑞迪机械实业有限公司 | Disc double multi-step buffer low-noise brake |
| CN203794537U (en) * | 2014-04-29 | 2014-08-27 | 三峡大学 | Electromagnetic brake with air pressure damping structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6577144B2 (en) | 2019-09-18 |
| JPWO2018008306A1 (en) | 2019-03-14 |
| WO2018008306A1 (en) | 2018-01-11 |
| CN109477531B (en) | 2020-03-03 |
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