CN102966688A - Brake damping device with improved structure - Google Patents
Brake damping device with improved structure Download PDFInfo
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- CN102966688A CN102966688A CN2012104584116A CN201210458411A CN102966688A CN 102966688 A CN102966688 A CN 102966688A CN 2012104584116 A CN2012104584116 A CN 2012104584116A CN 201210458411 A CN201210458411 A CN 201210458411A CN 102966688 A CN102966688 A CN 102966688A
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- pad
- rivet
- belleville spring
- guide pin
- pin bushing
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Abstract
The invention discloses a brake damping device with an improved structure. The brake damping device comprises a movable disk, a stationary disk and a damping device, wherein the damping device is arranged between the movable disk and the stationary disk, and comprises a fastening screw, a nut and a damping assembly; the damping assembly is arranged between the movable disk and the stationary disk, and comprises a disk type spring assembly, a first gasket, a second gasket, a rivet and a guide sleeve; the guide sleeve is sleeved on the rivet; the disk type spring assembly and the first gasket are sleeved on the outer circle of the guide sleeve; the inner circle part of the second gasket is pressed against the guide sleeve; and the disk type spring assembly and the first gasket are arranged between the cap end of the rivet and the second gasket. Due to the adoption of the brake damping device, the braking and switch-off noise of a brake is lowered, the service life of a disk type spring is prolonged, and the safety of a braking system is ensured.
Description
Technical field
The present invention relates to a kind of damping device of break, be installed between the dynamic and static dish of break, for reducing the noise of break, belong to the attachment technique field of setting up on break.
Background technique
At present, be applied to break such as disc brake, disk type braker or block brake etc. on the lift machine, in order to reduce the working life of vibrations, reduction noise, prolongation break, usually between the dynamic and static dish of break, have additional damping device.For example, the patent No. is CN201428761Y, name is called " damping device of break ", break described in this patent comprises Moving plate, quiet dish and place Moving plate, at least one damping device between the quiet dish, be characterized in: described damping device comprises Cock screw, nut, pad and belleville spring assembly, described pad and belleville spring assembly place in the Moving plate, or in the quiet dish, or between Moving plate and the quiet dish, described Cock screw be arranged on Moving plate and/or the quiet dish and an end and pad inconsistent, described nut screws on Cock screw and Cock screw is pinned.Advantage: prolonged the working life of break, eliminated potential safety hazard; Moving plate is stressed evenly, can greatly reduce the noise of break when braking and opening a sluice gate; Maintenance and adjustment process are relatively more convenient; Adopt standard piece, choose easily, simple in structure, cost is lower.But also there is following defective in the damping device of this break: after break installs, when being in no electric circuit, Moving plate is pushed down brake disc under the effect of brake spring, have a working clearance between the dynamic and static dish, the belleville spring assembly in the damping device is in without also having the gap between the dish spring three in compression state and Cock screw, pad, the belleville spring assembly; Break is switched on moment, moving, quiet dish begins adhesive, originally belleville spring is in without the compression state, when moving, working clearance between the quiet dish is when continuing to reduce, belleville spring begins by compression, along with moving, between the quiet dish more and more near the time, electromagnetic force between the two will become the increase of duplicate ratio, moving, the speed of quiet dish adhesive is just faster, the pressurized of belleville spring is also just faster, although the quick pressurized of belleville spring and produce rapidly resistance, impact force when this resistance can reduce quiet dish adhesive Moving plate, reduce noise, but the best using scope by the decrement of belleville spring is in 10% ~ 75% of its maximum compressibility, if belleville spring in use often from the nature without the compression state to quick compressive deformation state, belleville spring just produces fatigue deformation easily so, reduction of service life greatly, so the described break of patent of the present invention is moving, in the quiet dish attracting process, belleville spring is compressed to the process of quick compressive deformation from nothing, belleville spring neither uses in best using scope, again because exist the gap that moment bump and each other scratch can occur, either way can shorten the working life of belleville spring between the belleville spring.So need a kind of new damping device of design, make belleville spring when the original state of break dead electricity band-type brake, just be subject to the power of a preload, make its decrement at the beginning just greater than 10% of maximum compressibility, switch on moment at break so, along with moving, working clearance between the quiet dish is more and more less, when the proportional change of electromagnetic force between the two is large, belleville spring continues compressive deformation on the basis of pre compressed magnitude, produce the resistance suitable with electromagnetic force, thereby effectively eliminate moving, adhesive noise between the quiet dish, guarantee that belleville spring uses in best using scope, prolong its working life.
In view of above-mentioned prior art, the applicant has done useful design, has found solution to the problems described above, and to be proved be effective, and technological scheme described below produces under this background.
Summary of the invention
The object of the present invention is to provide a kind of shock absorption device for brakes that improves structure, it can give precompression of belleville spring, belleville spring is worked in best using scope, prolong the working life of belleville spring, thereby improve the Security of braking system and safeguard convenience.
For solving the problems of the technologies described above, the present invention adopts following technological scheme: a kind of shock absorption device for brakes that improves structure, comprise Moving plate, quiet dish and place Moving plate, damping device between the quiet dish, described damping device comprises Cock screw, nut and dampening assembly, described dampening assembly is installed between Moving plate and the quiet dish, described dampening assembly comprises the belleville spring assembly, the first pad, the second pad, rivet and guide pin bushing, be arranged with guide pin bushing on the described rivet, be arranged with belleville spring assembly and the first pad on the outer ring of described guide pin bushing, the inner round portion of described the second pad is connected on the guide pin bushing, described belleville spring assembly and the first pad place between the cap end and the second pad of rivet, the non-cap side pressure of described rivet goes out the other end, and described the second pad and described guide pin bushing are fixed; Described Cock screw is arranged on the described quiet dish and an end withstands rivet, and the outer ring part of described the first pad is pressed against on the described Moving plate, and described nut screws on Cock screw Cock screw is pinned.
In a preferred embodiment of the present invention, the height sum of the free height of described belleville spring assembly and the first pad is greater than the height of guide pin bushing.
In a preferred embodiment of the present invention, described guide pin bushing and the described rivet form that is structure as a whole.
In a preferred embodiment of the present invention, offer respectively the first mounting hole and the second mounting hole on the described Moving plate face relative with quiet dish, described dampening assembly is installed in the chamber that the first mounting hole and the second mounting hole consist of.
In a preferred embodiment of the present invention, described belleville spring assembly is to be combined by a plurality of belleville springs.
In a preferred embodiment of the present invention, described damping device is disposed on the break.
A kind of shock absorption device for brakes that improves structure of the present invention has and has reduced break in braking and the noise when opening a sluice gate, and prolongs the working life of belleville spring, guarantees the Security of braking system.
Description of drawings
Fig. 1 is the structural representation that the present invention improves shock absorption device for brakes one preferred embodiment of structure;
Fig. 2 is the A section enlarged view among Fig. 1;
Fig. 3 is the another embodiment of the present invention structural representation;
Fig. 4 is the B section enlarged view among Fig. 3;
Each assembly and reference character thereof are respectively among the figure: 1, Moving plate, the 11, first mounting hole, 2, quiet dish, the 21, second mounting hole, 3, Cock screw, 4, nut, 5, dampening assembly, 51, the belleville spring assembly, 52, the first pad, the 53, second pad, 54, rivet, 55, guide pin bushing.
Embodiment
Below only be the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with a preferred embodiment and accompanying drawing technological scheme of the present invention is further described.
See also Fig. 1 and in conjunction with Fig. 2, in the present embodiment, described break comprises Moving plate 1, quiet dish 2 and at least one damping device, described damping device can be one, also can be a plurality of, a plurality of damping devices are disposed on the break with can being evenly distributed shape or non-uniform Distribution shape, wherein: each damping device comprises Cock screw 3, nut 4 and dampening assembly 5, dampening assembly 5 comprises belleville spring assembly 51, the first pad 52, the second pad 53, rivet 54 and guide pin bushing 55, offer respectively the first mounting hole 11 and the second mounting hole 21 on the relative face of described Moving plate 1 and quiet dish 2, dampening assembly 5 is installed in the cavity that the first mounting hole 11 and the second mounting hole 21 consist of.
The structure of described dampening assembly 5 is such: be arranged with guide pin bushing 55 on the described rivet 54, successively sheathed belleville spring assembly 51 and the first pad 52 on the described guide pin bushing 55, the inner round portion of described the second pad 53 leans against on the guide pin bushing 55, the pressured firmly inner round portion of the first pad 52 of the outer ring part of the second pad 53, non-cap side pressure at rivet 54 goes out the other end at last, and belleville spring assembly 51, the first pad 52, the second pad 53, guide pin bushing 55 are fixed.Here, in advance designing and calculating the length of the free height of belleville spring assembly 51, the first pad 52 and guide pin bushing 55, make the length sum of the free height of belleville spring assembly 51 and the first pad 52 greater than the length of guide pin bushing 55, so, when being locked at belleville spring assembly 51 and the first pad 52 between the cap end of rivet 54 and the second pad 53, make belleville spring assembly 51 produce certain pre compressed magnitude.
In the described damping device, Cock screw 3 is arranged on the quiet dish 2, one end of Cock screw 3 probes in described the second mounting hole 21 and is inconsistent with the cap end of rivet 54 in the second mounting hole 21, then the outer ring part with the first pad 52 is pressed against on the Moving plate 1, causes the non-cap end of dampening assembly 5 and the second pad 53 to extend in the first mounting hole 11.
See also Fig. 3 and in conjunction with Fig. 4, present embodiment is compared difference with embodiment 1 and is: the pressured firmly belleville spring assembly 51 of the outer ring part of the second pad 53, and the inner round portion of the first pad 52 is pressed against the cap end of rivet 54, Cock screw 3 is arranged on the quiet dish 2, one end of Cock screw 3 probes in described the second mounting hole 21 and is inconsistent with the non-cap end of rivet 54 in the second mounting hole 21, then the outer ring part with the first pad 52 is pressed against on the Moving plate 1, causes the cap end of dampening assembly 5 to extend in the first mounting hole 11.All the other are with the description to embodiment 1.
Further specify, please continue to consult Fig. 1, Fig. 3, because the working principle of break belongs to known technology, only do simple the description here: when at first supposing the break outage, working clearance between Moving plate 1 and the quiet dish 2 is 0.4mm, the length sum of the free height of belleville spring assembly 51 and the first pad 52 is than the large 0.1mm of length of guide pin bushing 55, the pre compressed magnitude of the belleville spring assembly 51 in the dampening assembly 5 is exactly 0.1mm so, and belleville spring assembly 51 has produced certain power at this moment.
When break was in braking state, the electromagnetic coil dead electricity because the effect of brake spring promotes Moving plate 1, made to form working clearance 0.4mm between Moving plate 1 and the quiet dish 2, and at this moment, Moving plate 1 relies on brake disc, and the friction plate on the Moving plate 1 causes brake disc to stop operating.When break need to be opened a sluice gate (meaning not shown in the figures), the electromagnetic coil energising, at Moving plate 1, quiet dish 2 and form magnetic loop between the working clearance, produce electromagnetic force, make Moving plate 1, quiet dish 2 attracts each other, described electromagnetic force is along with the increase that reduce form duplicate ratio of Moving plate 1 with the distance of quiet dish 2, produce and impact, owing to be provided with dampening assembly 5 between quiet dish 2 and the Moving plate 1, has preferably elasticity, when Moving plate 1 during near quiet dish 2, belleville spring assembly 51 in the dampening assembly 5 is because of the compressed resistance that produces, impact force when this resistance can reduce quiet dish 2 adhesive Moving plate 1 has reduced noise, avoids Moving plate 1 and quiet dish 2 to damage because of bump.In the process of whole Moving plate 1 and 2 adhesives of quiet dish, the decrement of belleville spring assembly 51 is compressed to 0.5mm from 0.1mm, compressive strain in its best using scope, so be not easy to occur fatigue deformation, prolonged working life, then prolong the working life of break, improved the convenience of Security and the maintenance of break.In addition, belleville spring, rivet 54, Cock screw 3 and nut 4 all are standard piece, choose easily, and the first pad 52, the second pad 53, guide pin bushing 55 are simple in structure, and easy processing, cost is lower.A kind of shock absorption device for brakes that improves structure of the present invention has and has reduced break in braking and the noise when opening a sluice gate, and prolongs the working life of belleville spring, guarantees the Security of braking system.
It more than is the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention, and variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. shock absorption device for brakes that improves structure, it is characterized in that: comprise Moving plate, quiet dish and place Moving plate, damping device between the quiet dish, described damping device comprises Cock screw, nut and dampening assembly, described dampening assembly is installed between Moving plate and the quiet dish, described dampening assembly comprises the belleville spring assembly, the first pad, the second pad, rivet and guide pin bushing, be arranged with guide pin bushing on the described rivet, be arranged with belleville spring assembly and the first pad on the outer ring of described guide pin bushing, the inner round portion of described the second pad is connected on the guide pin bushing, described belleville spring assembly and the first pad place between the cap end and the second pad of rivet, the non-cap side pressure of described rivet goes out the other end, and described the second pad and described guide pin bushing are fixed; Described Cock screw is arranged on the described quiet dish and an end withstands rivet, and the outer ring part of described the first pad is pressed against on the described Moving plate, and described nut screws on Cock screw Cock screw is pinned.
2. the shock absorption device for brakes of improvement structure according to claim 1, it is characterized in that: the height sum of the free height of described belleville spring assembly and the first pad is greater than the height of guide pin bushing.
3. the shock absorption device for brakes of improvement structure according to claim 1 is characterized in that: described guide pin bushing and the described rivet form that is structure as a whole.
4. the shock absorption device for brakes of improvement structure according to claim 1, it is characterized in that: offer respectively the first mounting hole and the second mounting hole on the described Moving plate face relative with quiet dish, described dampening assembly is installed in the chamber that the first mounting hole and the second mounting hole consist of.
5. the shock absorption device for brakes of improvement structure according to claim 1, it is characterized in that: described belleville spring assembly is to be combined by a plurality of belleville springs.
6. the shock absorption device for brakes of improvement structure according to claim 1, it is characterized in that: described damping device is disposed on the break.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104584116A CN102966688A (en) | 2012-11-15 | 2012-11-15 | Brake damping device with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104584116A CN102966688A (en) | 2012-11-15 | 2012-11-15 | Brake damping device with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102966688A true CN102966688A (en) | 2013-03-13 |
Family
ID=47797039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104584116A Pending CN102966688A (en) | 2012-11-15 | 2012-11-15 | Brake damping device with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102966688A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364800A (en) * | 2017-08-18 | 2017-11-21 | 浙江西子富沃德电机有限公司 | A kind of elevator brake |
| CN108397495A (en) * | 2017-02-06 | 2018-08-14 | 丰田自动车株式会社 | Breaker module |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09151063A (en) * | 1995-11-27 | 1997-06-10 | Mitsubishi Electric Corp | Brake device of elevator |
| US6374965B1 (en) * | 2000-11-01 | 2002-04-23 | Kelsey-Hayes Company | Damped brake shoe support device for drum brake assembly |
| JP2008511523A (en) * | 2004-11-01 | 2008-04-17 | オーチス エレベータ カンパニー | Elevator disc brake with damping function |
| CN201428761Y (en) * | 2009-07-03 | 2010-03-24 | 苏州通润驱动设备股份有限公司 | Shock absorption device of brake |
| CN201714879U (en) * | 2010-01-14 | 2011-01-19 | 贵州新安航空机械有限责任公司 | Elastic brake pad with riveted structure |
| CN202418353U (en) * | 2011-06-28 | 2012-09-05 | 陈德才 | Novel low noise brake |
| CN203009649U (en) * | 2012-11-15 | 2013-06-19 | 常熟市琴茂机械有限公司 | Brake damping device with improved structure |
-
2012
- 2012-11-15 CN CN2012104584116A patent/CN102966688A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09151063A (en) * | 1995-11-27 | 1997-06-10 | Mitsubishi Electric Corp | Brake device of elevator |
| US6374965B1 (en) * | 2000-11-01 | 2002-04-23 | Kelsey-Hayes Company | Damped brake shoe support device for drum brake assembly |
| JP2008511523A (en) * | 2004-11-01 | 2008-04-17 | オーチス エレベータ カンパニー | Elevator disc brake with damping function |
| CN201428761Y (en) * | 2009-07-03 | 2010-03-24 | 苏州通润驱动设备股份有限公司 | Shock absorption device of brake |
| CN201714879U (en) * | 2010-01-14 | 2011-01-19 | 贵州新安航空机械有限责任公司 | Elastic brake pad with riveted structure |
| CN202418353U (en) * | 2011-06-28 | 2012-09-05 | 陈德才 | Novel low noise brake |
| CN203009649U (en) * | 2012-11-15 | 2013-06-19 | 常熟市琴茂机械有限公司 | Brake damping device with improved structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397495A (en) * | 2017-02-06 | 2018-08-14 | 丰田自动车株式会社 | Breaker module |
| CN107364800A (en) * | 2017-08-18 | 2017-11-21 | 浙江西子富沃德电机有限公司 | A kind of elevator brake |
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Application publication date: 20130313 |