CN203903884U - Vibration and noise reduction device for elevator brake - Google Patents
Vibration and noise reduction device for elevator brake Download PDFInfo
- Publication number
- CN203903884U CN203903884U CN201420243699.XU CN201420243699U CN203903884U CN 203903884 U CN203903884 U CN 203903884U CN 201420243699 U CN201420243699 U CN 201420243699U CN 203903884 U CN203903884 U CN 203903884U
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- Prior art keywords
- brake
- vibration
- dish
- brake disc
- reducing device
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- Expired - Lifetime
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- 230000009467 reduction Effects 0.000 title abstract description 7
- 230000035939 shock Effects 0.000 claims description 19
- 230000003139 buffering effect Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 abstract 4
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The utility model discloses a vibration and noise reduction device for an elevator brake. The elevator brake comprises a first brake disc and a second brake disc matched with each other, wherein an axial through installation hole is arranged in the first brake disc; the part, close to the second brake disc, of the installation hole is an extended section; the part, away from the second brake disc, of the installation hole is an expanded section; a vibration reduction piece is arranged in the installation hole; the vibration piece comprises a tail rod which is inserted into the extended section and abutted against the second brake disc, and an expansion head positioned in the expanded section; the first brake disc is provided with an adjusting screw stretching into the expanded section; the adjusting screw is abutted against the expansion head through an elastic buffer piece. The vibration and noise reduction device for the elevator brake can effectively reduces noise when the brake is in use, and is simple in structure, convenient to disassemble, and easy to maintain.
Description
Technical field
The utility model relates to elevator technology field, is specifically related to a kind of vibration and noise reducing device for elevator brake.
Background technology
At present, along with the development of elevator traction machine technology, for guaranteeing that the drg of elevator traction machine safety in utilization seems, become more and more important, the performance of drg affects the towing machine competitiveness of product in market directly or indirectly.
4.2.2.2 regulation in GB < < GB/T24478-2009 elevator traction machine > >: the specified lock torque of towing machine should decide through consultation by the regulation of 12.4.2.1 in GB/T7588-2003 and towing machine user, or convert 2.5 times of moment on brake wheel (dish) for torque rating; Meanwhile, in < < GB/T24478-2009 elevator traction machine > >, 4.2.3.3 requires brake noise should not surpass 70dB, 75dB and the 80dB dividing according to towing machine torque rating respectively.
Under prior art condition, lock torque and noise are linear increment relation, for solving this contradiction, conventionally between the moving plate (Moving plate) of drg and quiet plate (quiet dish), set up shock attenuation unit.For example, between moving plate and quiet plate, shock pad is set, shock pad adopts non-metallic material to be made, have good elasticity, the noise that the direct impact of anti-check plate and quiet plate causes, although this shock attenuation unit is simple in structure, but noise reduction is not good, power value is non-adjustable, and needs to move plate while safeguarding and quiet plate is taken apart completely, comparatively inconvenience.
Granted publication number discloses a kind of " shock attenuation unit of drg " for the utility model patent of CN201428761Y, comprise nut, screw, pad, mounting hole and elastic damping assembly, this shock attenuation unit is positioned at moving plate and/or quiet plate, screw be arranged on moving plate and/or quiet plate and one end and pad inconsistent, nut screws on screw and by its locking.
The disclosed drg shock attenuation unit of this utility model, between the moving plate of drg and quiet plate, if while needing to change after elastic damping assembly fracture by fatigue, must be opened the moving plate of drg and quiet plate completely, and complex operation, is unfavorable for building site repair and maintenance.
Therefore, need to provide a kind of simple in structure, be convenient to the drg shock attenuation unit of maintenance.
Utility model content
The utility model provides a kind of vibration and noise reducing device for elevator brake, the noise in the time of can effectively reducing drg braking, and simple in structure, convenient disassembly, for ease of maintenaince.
A kind of vibration and noise reducing device for elevator brake, described elevator brake comprises first brake dish and the second brake disc cooperatively interacting, in described first brake dish, be provided with the mounting hole of axial perforation, the part of contiguous the second brake disc of this mounting hole is extension, and the part of the second brake disc is extension diameter section dorsad;
In described mounting hole, be provided with vibration-damped component, this vibration-damped component comprises the foot piece that inserts in extension and offset with the second brake disc, and is in the expansion-head in extension diameter section;
On described first brake dish, the adjusting screw(rod) extending in extension diameter section is installed, adjusting screw(rod) offsets by buffering elastic component and expansion-head.
First brake dish and the second brake disc mutually near time, the second brake disc is first against foot piece, foot piece is passed to expansion-head by impact, then by the buffering elastic component offseting with expansion-head, absorb the energy clashing into, reduce the power that the second brake disc and first brake dish clash into, reduce the second brake disc and first brake dish and clash into the noise producing.
Described adjusting screw(rod) can regulate the prestress of buffering elastic component, when guaranteeing to realize buffer action, guarantees the cooperation that contacts of first brake dish and the second brake disc.
When vibration and noise reducing device can reduce drg work, between Moving plate and quiet dish, directly clash into the noise causing, therefore, described damped noise reduction device can be arranged in Moving plate, also can be arranged on Jing Panzhong, the utility model is for both of these case is contained simultaneously, and maintenance application text is succinct, directly do not use the saying of Moving plate and quiet dish, and use first brake dish and the second brake disc to refer to Moving plate or quiet dish nonspecificly.
Described first brake dish is quiet dish or Moving plate, and described the second brake disc is Moving plate or quiet dish accordingly.
Be that referring to of first brake dish and the second brake disc comprises following two kinds of situations:
When first brake dish is quiet dish, the second brake disc is Moving plate;
When first brake dish is Moving plate, the second brake disc is quiet dish.
As preferably, one end of described adjusting screw(rod) is stretched in extension diameter section and is offseted with expansion-head, and the other end extends mounting hole and is provided with axial locking nut.
The fit system of adjusting screw(rod) and mounting hole has multiple, for example, a described first brake dish dorsad side of the second brake disc is provided with the adapter plate with screw, described adjusting screw(rod) and this screw screw thread fit, and described axial locking nut is resisted against an adapter plate side of first brake dish dorsad.Described adapter plate fixes by bolt and first brake dish.
In this embodiment, adjusting screw(rod) and adapter plate screw thread fit, axial locking nut carries out axial location to adjusting screw(rod), between adapter plate and first brake dish, can be bolted to connection, need repairing while changing vibration-damped component, only need adapter plate to pull down, do not need first brake dish and the second brake disc to disassemble, be convenient to the carrying out of handling labor.
In order to increase the area of contact of buffering elastic component and adjusting screw(rod), preferably, in described extension diameter section, be provided with pad, described adjusting screw(rod) offsets by pad and buffering elastic component.
Buffering elastic component can have numerous embodiments, and having can deformation and restorable ability, and for example all kinds of springs, or nonmetallic shock pad are concrete as disk spring, coil spring, Rectangular Spring, rubber pad etc.Preferably, described pad is provided with the erecting bed relative with expansion-head position, and described buffering elastic component is the disk spring that is set in erecting bed periphery.
In order to guarantee the reliability of shock attenuation unit work, can add other buffer gear, for example, the outer cover of described foot piece is provided with buffering stage clip, one end and the second brake disc butt, the other end and the expansion-head butt of buffering stage clip.When disk spring follows the string, recoil spring can absorb the impact of the second brake disc.
In order further to improve effect of vibration and noise reduction, the second brake disc is provided with mounting groove towards a side of first brake dish, in this mounting groove, is fixed with shock pad.
As preferably, the position that described shock pad contacts with first brake dish is driving surface, between the periphery of driving surface and mounting groove inwall, leaves gap.
Shock pad adopts rubber pad, and after long-time use, deformation may occur rubber pad, between the periphery of shock pad driving surface and mounting groove, reserve gap, even rubber pad generation deformation, deformation also can preferentially be filled gap, and can not clamp-on in the gap of first brake dish and the second brake disc.
On described quiet dish, be provided with for promoting the spring of Moving plate and for regain the magnet coil of Moving plate by electromagnetic force, the power supply of magnet coil can adopt in prior art the conventional mode of supplying with fixed voltage by voltage transformer, also can adopt in short time from adhesive to quiet dish that can draw close at Moving plate of optimization high voltage is provided, and in the process that maintains Moving plate and quiet dish attracting state, provide the circuit of low voltage, for example, the supply line of magnet coil comprises the alternating current terminals that connect successively, time delay cut-out switch, rectifying circuit and filter circuit, described time delay cut-out switch is also parallel with one-way conduction branch road.
Moving plate at drg completes after braking, described time delay cut-out switch is first in conducting state, when direction of current changes, between alternating current terminals and rectifying circuit all in conducting state, then further after filter circuit, output drives the higher direct current (DC) of voltage of magnet coil work, make Moving plate complete rapidly reset, with the adhesive of quiet dish phase, after time delay a period of time, time delay cut-out switch disconnects, between alternating current terminals and rectifying circuit, only by one-way conduction branch road, be communicated with (when direction of current changes, only there is the electric current of a direction can conducting), after rectifying circuit and filter circuit, the direct current (DC) of output LOW voltage is to maintain the adhesive of Moving plate and quiet dish.
The utility model is used for the vibration and noise reducing device of elevator brake, the noise in the time of can effectively reducing drg action, and simple in structure, convenient disassembly, for ease of maintenaince.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the schematic diagram of the first embodiment of the vibration and noise reducing device of elevator brake;
Fig. 2 is that the utility model is for the schematic diagram of the second embodiment of the vibration and noise reducing device of elevator brake;
Fig. 3 is that the utility model is for the schematic diagram of the third embodiment of the vibration and noise reducing device of elevator brake;
Fig. 4 be the utility model for the vibration and noise reducing device of elevator brake, drive the circuit diagram of the magnet coil of Moving plate motion.
In figure: 1, first brake dish; 2, bolt; 3, disk spring; 4, adjusting screw(rod); 5, axial locking nut; 6, pad; 7, adapter plate; 8, expansion-head; 9, foot piece; 10, the second brake disc; 11, shock pad; 12, buffering stage clip.
The specific embodiment
Below in conjunction with accompanying drawing, the vibration and noise reducing device to the utility model for elevator brake is described in detail.
As shown in Figure 1, a kind of vibration and noise reducing device for elevator brake, elevator brake comprises first brake dish 1 and the second brake disc 10 cooperatively interacting.
First brake dish 1 and the second brake disc 10 refer to Moving plate and quiet dish respectively nonspecificly, and when first brake dish 1 is quiet dish, the second brake disc 10 is Moving plate; When first brake dish 1 is Moving plate, the second brake disc 10 is quiet dish.
Vibration and noise reducing device is arranged in first brake dish 1, and concrete structure is: in first brake dish 1, be provided with the mounting hole of axial perforation, the part of contiguous the second brake disc 10 of mounting hole is extension, and the part of the second brake disc 10 is extension diameter section dorsad.
In mounting hole, be provided with vibration-damped component, vibration-damped component comprises the foot piece 9 that inserts in extension and offset with the second brake disc 10, and is in the expansion-head 8 in extension diameter section; The adjusting screw(rod) 4 extending in extension diameter section is installed on first brake dish 1, and adjusting screw(rod) 4 offsets by disk spring 3 and expansion-head 8.
One end of adjusting screw(rod) 4 is stretched in extension diameter section and is offseted with expansion-head 8, and the other end extends mounting hole and is provided with axial locking nut 5.
A first brake dish 1 dorsad side of the second brake disc 10 is provided with the adapter plate 7 with screw, adapter plate 7 fixes by bolt 2 and first brake dish 1, adjusting screw(rod) 4 and screw screw thread fit, axial locking nut 5 is resisted against adapter plate 7 side of first brake dish 1 dorsad.
In extension diameter section, be provided with pad 6, adjusting screw(rod) 4 offsets by pad 6 and disk spring 3, and pad 6 is provided with the erecting bed relative with expansion-head 8 positions, and disk spring 3 is set in the periphery of erecting bed.
In order further to promote the effect of vibration and noise reducing, as shown in Figure 2, the second brake disc 10 is provided with mounting groove towards a side of first brake dish 1, is fixed with shock pad 11 in mounting groove.The position that shock pad 11 contacts with first brake dish 1 is driving surface, between the periphery of driving surface and mounting groove inwall, leaves gap.
In order to guarantee the reliability of vibration and noise reducing device, as shown in Figure 3, the outer cover of foot piece 9 is provided with buffering stage clip 12, one end and the second brake disc 10 butts, the other end and expansion-head 8 butts of buffering stage clip 12.When disk spring 3 lost efficacy, buffering stage clip 12 can play the effect of vibration and noise reducing.
In order to coordinate the needs of the towing machine of heavy load, in drg, order about Moving plate larger with the strength that brake wheel acts on mutually, therefore, the strength of regaining Moving plate correspondingly also needs larger, and the strength that maintains Moving plate and the mutual adhesive of quiet dish does not need very large, in order to adapt to this needs, to regaining the circuit of the magnet coil of Moving plate, improved.
On quiet dish, be provided with for promoting the spring of Moving plate and for regain the magnet coil of Moving plate by electromagnetic force, as shown in Figure 4, the supply line of magnet coil comprises alternating current terminals, time delay cut-out switch, rectifying circuit and the filter circuit connecting successively, and time delay cut-out switch is also parallel with one-way conduction branch road.
Moving plate at drg completes after braking, time delay cut-out switch is first in conducting state, at direction of current, be in figure shown in arrow A or arrow B time, between alternating current terminals and rectifying circuit all in conducting state, further after filter circuit, output drives the higher direct current (DC) of voltage of magnet coil work, makes Moving plate complete rapidly reset, with the adhesive of quiet dish phase; After time delay a period of time, time delay cut-out switch disconnects, between alternating current terminals and rectifying circuit, only by one-way conduction branch road, be communicated with, conducting while only having direction of current to be the direction shown in arrow A, or conducting while only having direction of current to be the direction shown in arrow B, then after rectifying circuit and filter circuit, the direct current (DC) of output LOW voltage is to maintain the adhesive of Moving plate and quiet dish.
Claims (10)
1. the vibration and noise reducing device for elevator brake, described elevator brake comprises first brake dish and the second brake disc cooperatively interacting, it is characterized in that, in described first brake dish, be provided with the mounting hole of axial perforation, the part of contiguous the second brake disc of this mounting hole is extension, and the part of the second brake disc is extension diameter section dorsad;
In described mounting hole, be provided with vibration-damped component, this vibration-damped component comprises the foot piece that inserts in extension and offset with the second brake disc, and is in the expansion-head in extension diameter section;
On described first brake dish, the adjusting screw(rod) extending in extension diameter section is installed, adjusting screw(rod) offsets by buffering elastic component and expansion-head.
2. the vibration and noise reducing device for elevator brake as claimed in claim 1, is characterized in that, described first brake dish is quiet dish or Moving plate, and described the second brake disc is Moving plate or quiet dish accordingly.
3. the vibration and noise reducing device for elevator brake as claimed in claim 1, is characterized in that, one end of described adjusting screw(rod) is stretched in extension diameter section and offseted with expansion-head, and the other end extends mounting hole and is provided with axial locking nut.
4. the vibration and noise reducing device for elevator brake as claimed in claim 3, it is characterized in that, a described first brake dish dorsad side of the second brake disc is provided with the adapter plate with screw, described adjusting screw(rod) and this screw screw thread fit, described axial locking nut is resisted against an adapter plate side of first brake dish dorsad.
5. the vibration and noise reducing device for elevator brake as claimed in claim 4, is characterized in that, described adapter plate fixes by bolt and first brake dish.
6. the vibration and noise reducing device for elevator brake as claimed in claim 1, is characterized in that, in described extension diameter section, is provided with pad, and described adjusting screw(rod) offsets by pad and buffering elastic component.
7. the vibration and noise reducing device for elevator brake as claimed in claim 6, is characterized in that, described pad is provided with the erecting bed relative with expansion-head position, and described buffering elastic component is the disk spring that is set in erecting bed periphery.
8. the vibration and noise reducing device for elevator brake as claimed in claim 1, is characterized in that, the outer cover of described foot piece is provided with buffering stage clip, one end and the second brake disc butt, the other end and the expansion-head butt of buffering stage clip.
9. the vibration and noise reducing device for elevator brake as described in as arbitrary in claim 1～8, is characterized in that, the second brake disc is provided with mounting groove towards a side of first brake dish, in this mounting groove, is fixed with shock pad.
10. the vibration and noise reducing device for elevator brake as claimed in claim 9, is characterized in that, the position that described shock pad contacts with first brake dish is driving surface, between the periphery of driving surface and mounting groove inwall, leaves gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243699.XU CN203903884U (en) | 2014-05-13 | 2014-05-13 | Vibration and noise reduction device for elevator brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243699.XU CN203903884U (en) | 2014-05-13 | 2014-05-13 | Vibration and noise reduction device for elevator brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203903884U true CN203903884U (en) | 2014-10-29 |
Family
ID=51778172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420243699.XU Expired - Lifetime CN203903884U (en) | 2014-05-13 | 2014-05-13 | Vibration and noise reduction device for elevator brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203903884U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948655A (en) * | 2015-07-09 | 2015-09-30 | 苏州润吉驱动技术有限公司 | Air shock absorption device for elevator brake |
| 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 |
| CN111217276A (en) * | 2018-11-26 | 2020-06-02 | 奥的斯电梯公司 | Fail-safe lever for clutch-type brake adjustment |
| CN112228479A (en) * | 2020-10-26 | 2021-01-15 | 上海三菱电梯有限公司 | Brake for elevator traction machine and implementation method thereof |
-
2014
- 2014-05-13 CN CN201420243699.XU patent/CN203903884U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948655A (en) * | 2015-07-09 | 2015-09-30 | 苏州润吉驱动技术有限公司 | Air shock absorption device for elevator brake |
| CN104948655B (en) * | 2015-07-09 | 2017-04-19 | 苏州润吉驱动技术有限公司 | Air shock absorption device for elevator brake |
| 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 |
| CN111217276A (en) * | 2018-11-26 | 2020-06-02 | 奥的斯电梯公司 | Fail-safe lever for clutch-type brake adjustment |
| CN111217276B (en) * | 2018-11-26 | 2021-10-29 | 奥的斯电梯公司 | Fail-safe lever for clutch-type brake adjustment |
| CN112228479A (en) * | 2020-10-26 | 2021-01-15 | 上海三菱电梯有限公司 | Brake for elevator traction machine and implementation method thereof |
| CN112228479B (en) * | 2020-10-26 | 2023-02-03 | 上海三菱电梯有限公司 | Brake for elevator traction machine and implementation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |