CN105015348B - A kind of backward-pressure - Google Patents
A kind of backward-pressure Download PDFInfo
- Publication number
- CN105015348B CN105015348B CN201510444206.8A CN201510444206A CN105015348B CN 105015348 B CN105015348 B CN 105015348B CN 201510444206 A CN201510444206 A CN 201510444206A CN 105015348 B CN105015348 B CN 105015348B
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- China
- Prior art keywords
- output shaft
- brake
- pzt
- shaft coupling
- piezoelectric transducer
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- 230000008878 coupling Effects 0.000 claims abstract description 32
- 238000010168 coupling process Methods 0.000 claims abstract description 32
- 238000005859 coupling reaction Methods 0.000 claims abstract description 32
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 description 20
- 210000000515 tooth Anatomy 0.000 description 18
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The invention discloses a kind of backward-pressure assisted deceleration component, including fixed mount, braked wheel and it is arranged on the brake axle at braked wheel center, the brake axle connects output shaft by shaft coupling, the braked wheel periphery is provided with brake assemblies, PZT (piezoelectric transducer) is provided with the brake assemblies, the output shaft is provided with the assisted deceleration component using the control of PZT (piezoelectric transducer) discharging current.It is an advantage of the invention that:Brake output shaft moment stop is avoided, the stable stop of the equipment being connected with output shaft is got off, strong vibration will not be produced, improve service life of equipment, assisted deceleration component operation provides electric power by PZT (piezoelectric transducer) completely simultaneously, self-sufficient, without in external power supply.
Description
Present patent application is a kind of divisional application for the patent of invention that invention and created name is " backward-pressure ", former
The applying date of application is September in 2013 16, the Application No. 201310438041.4 of original application.
Technical field
The present invention relates to a kind of backward-pressure.
Background technology
Brake is the machine components for making the movement parts in machine stop or slow down, but conventional brake is in braking procedure
Because the secondary friction of braking causes brake or machine vibration, while produce brake oil, had a strong impact on machine stationarity and
Comfort.Therefore, it is necessary to carry out vibration damping to it while braking to machine.Existing brake, when stop process,
With braked wheel, moment stops operating output shaft simultaneously, the equipment being connected with output shaft is produced strong vibration, the life-span of equipment
Lower significantly.
The content of the invention
It is an object of the invention to provide a kind of backward-pressure, it can effectively solve the problem that existing brake in stop process
The problem of output shaft connection vibration equipment influences service life of equipment strongly.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:A kind of backward-pressure, bag
Include fixed mount, braked wheel and be arranged on the brake axle at braked wheel center, the brake axle connects output shaft by shaft coupling, described
Braked wheel periphery, which is provided with brake assemblies, the brake assemblies, is provided with PZT (piezoelectric transducer), and the output shaft is provided with and utilizes piezoelectricity
The assisted deceleration component of transducer discharging current control.
It is preferred that, the assisted deceleration component includes being enclosed on the shell being fixedly connected on output shaft with fixed mount, described outer
It is provided with shell provided with the buffering rotor being set on output shaft with output shaft synchronous rotation in placed cavity, the placed cavity, it is described
Buffer and magnetic flow liquid is provided between rotor and placed cavity side wall, the shell periphery is provided with the coil powered by PZT (piezoelectric transducer);
It is changed into solid-state by the way that magnetic flow liquid is affected by magnetic fields and output shaft is slowed down.
It is preferred that, the buffering rotor is cylinder, and the excircle of the buffering rotor is provided with some rectangular teeths, described
Place the rectangular teeth for also being provided with being adapted on cavity wall with buffering rotor outer circle week upper rectangular teeth;The contact surface of increase buffering rotor
Product, makes output shaft slow down as early as possible.
Optionally, the assisted deceleration component includes being set in the buffering wheel rotated with output shaft synchronous on output shaft, consolidated
The complemental brake system of position corresponding with buffering wheel on fixed mount is scheduled on, the complemental brake system includes being fixed on fixed mount
On auxiliary braking circle, be fixed on the piezoelectric actuator powered on auxiliary braking circle by PZT (piezoelectric transducer), driven by piezoelectric actuator
Dynamic auxiliary braking band, brake clearance is left between the auxiliary braking band and buffering wheel;Promoted and aided in by piezoelectric actuator
Brake band is contacted with buffering wheel makes output shaft slow down.
It is preferred that, the brake assemblies include the brake force source being fixed on fixed mount, the master being fixed on brake force source
Trig loop, the PZT (piezoelectric transducer) being fixed on main brake circle, the main brake band being fixed on PZT (piezoelectric transducer);Piezoelectric energy-conversion can be made
Device produces enough electrical energy drive assisted deceleration component actions.
It is preferred that, the brake force source is cylinder or hydraulic cylinder;Reliable and stable brake force can be provided.
It is preferred that, the shaft coupling is hollow cylinder, and the shaft coupling inwall is provided with the shaft coupling tooth for stretching to center, institute
State part of the brake axle in shaft coupling and be provided with brake axle tooth, the part that the output shaft is located in shaft coupling is provided with output shaft
Tooth;After brake axle stops operating, output shaft can also be rotated further extension braking time.
Compared with prior art, it is an advantage of the invention that:Brake output shaft moment stop is avoided, makes to connect with output shaft
The stable stop of equipment connect is got off, and will not be produced strong vibration, be improved service life of equipment, while assisted deceleration component
Work provides electric power by PZT (piezoelectric transducer) completely, self-sufficient, without in external power supply.
Brief description of the drawings
Fig. 1 is a kind of structural representation of backward-pressure embodiment one of the invention;
Fig. 2 be Fig. 1 in original state when A-A sectional views;
Fig. 3 be Fig. 1 in original state when B-B sectional views;
Fig. 4 has turned A-A sectional views during first lap for shaft coupling in Fig. 1;
Fig. 5 has turned B-B sectional views during first lap for shaft coupling in Fig. 1;
Fig. 6 be Fig. 1 in shaft coupling turned second enclose when B-B sectional views;
Fig. 7 is a kind of structural representation of backward-pressure embodiment two of the invention.
Embodiment
Embodiment one:
Refering to the embodiment one that Fig. 1 is a kind of backward-pressure of the invention, a kind of backward-pressure, including fixed mount 1, system
Driving wheel 3 and the brake axle 2 for being arranged on the center of braked wheel 3, the brake axle 2 connect output shaft 7, the braking by shaft coupling 4
3 peripheries are taken turns provided with brake assemblies 5, the brake assemblies 5 are interior to be provided with PZT (piezoelectric transducer) 6, and the output shaft 7 is provided with to utilize and pressed
The assisted deceleration component of the discharging current of electric transducer 6 control.
The assisted deceleration component includes being enclosed in the shell 8 being fixedly connected with fixed mount 1 on output shaft 7, the shell 8
It is described slow provided with the buffering rotor 9 being set on output shaft 7 with the synchronous axial system of output shaft 7 in the placed cavity provided with placed cavity
Magnetic flow liquid 10 is provided between red switch 9 and placed cavity side wall, the periphery of shell 8 is provided with the line powered by PZT (piezoelectric transducer) 6
Circle 11, the buffering rotor 9 is cylinder, and the excircle of the buffering rotor 9 is provided with some rectangular teeths 12, the placed cavity
It also is provided with inwall with buffering the rectangular teeth 12 that rectangular teeth 12 is adapted on the excircle of rotor 9.
The brake assemblies 5 include the brake force source 17 being fixed on fixed mount 1, the main system being fixed on brake force source 17
Moving-coil 18, the PZT (piezoelectric transducer) 6 being fixed on main brake circle 18, the main brake band 19 being fixed on PZT (piezoelectric transducer) 6, the system
Power source 17 is cylinder or hydraulic cylinder.
As shown in Figure 2 and Figure 3, the shaft coupling 4 is hollow cylinder, and the inwall of shaft coupling 4 is provided with the connection for stretching to center
Axle device tooth 20, the part that the brake axle 2 is located in shaft coupling 4 is provided with brake axle tooth 22, and the output shaft 7 is located at shaft coupling 4
Interior part is provided with output shaft tooth 23.
Trig loop, PZT (piezoelectric transducer) 6, brake band is promoted to be moved to braked wheel 3 after starting in brake force source 17, by brake band
Brake force is provided, now due to squeezing action, PZT (piezoelectric transducer) 6 produces electric power, the outside of shell 8 is transmitted to by intelligent processor 21
Coil 11, coil 11 be powered produce magnetic field, solidify the magnetic flow liquid 10 between buffering rotor 9 and shell 8, then buffering turn
Son 9, because the effect of magnetic flow liquid 10 is connected as a single entity, reaches the braking action of output shaft 7 with shell 8.Whole braking procedure needs one
Fix time, be not to stop immediately, so the equipment that output shaft 7 is connected there can be a buffer time, reduce vibration.Intelligent treatment
Device 21 can adjust voltage, size of current, the conversion of electric current ac/dc, the function of power storage.
Embodiment two:
As shown in fig. 7, being with the difference of embodiment one:The structure of assisted deceleration component is different, the assisted deceleration group
Part include being set on output shaft 7 with the buffering wheel 13 of the synchronous axial system of output shaft 7, be fixed on fixed mount 1 and 13 pairs of buffering wheel
The complemental brake system for the position answered, the complemental brake system includes auxiliary braking circle 14, the fixation being fixed on fixed mount 1
The piezoelectric actuator 15 powered on auxiliary braking circle 14 by PZT (piezoelectric transducer) 6, the auxiliary braking driven by piezoelectric actuator 15
Band 16, brake clearance is left between the auxiliary braking band 16 and buffering wheel 13.
Trig loop, PZT (piezoelectric transducer) 6, brake band is promoted to be moved to braked wheel 3 after starting in brake force source 17, by brake band
Brake force is provided, now due to squeezing action, PZT (piezoelectric transducer) 6 produces electric power, and Piezoelectric Driving is transmitted to by intelligent processor 21
Device 15, piezoelectric actuator 15 is started working, and pushes brake band to buffering wheel 13, eventually through the effect of brake band and buffering wheel 13
Output shaft 7 is set to stop operating.
The scheme of above-described embodiment, in the braking procedure of output shaft 7, the original state of shaft coupling 4 as shown in Figure 2 and Figure 3, joins
The direction of arrow along along figure of axle device 4 is rotated, as shown in Fig. 2 brake axle tooth 22 promotes shaft coupling tooth 20, brake axle 2 is driven shaft coupling
Device 4 is rotated, as shown in figure 3, shaft coupling tooth 20 promotes output shaft tooth 23, makes shaft coupling 4 drive output shaft 7 to rotate;When braked wheel 3
When braking stops operating, brake axle 2 is also stopped operating, and now shaft coupling 4 will be also rotated further, after shaft coupling 4 is rotated one week,
As shown in figure 4, shaft coupling tooth 20 will be turned over contacting with brake axle tooth 22 after one week and make shaft coupling 4 out of service, such as Fig. 5 institutes
Show, output shaft 7 still can be rotated further, after output shaft 7 rotates the second circle, as shown in fig. 6, output shaft tooth 23 will be by shaft coupling
Device tooth 20 is blocked, and output shaft 7 stops operating.
By the generating of PZT (piezoelectric transducer) 6, control assisted deceleration component starts, and output shaft 7 is slowed down, and utilizes simultaneously
Shaft coupling 4, makes output shaft 7 stop by force after two circles are rotated, and so after the stopping of braked wheel 3, output shaft 7 is just also certain
Time is stopped operating, rather than is stopped operating immediately as existing brake, effectively reduces vibration, and extension device is used
Life-span.
The specific embodiment of the present invention is the foregoing is only, but the technical characteristic of the present invention is not limited thereto, Ren Heben
The technical staff in field is in the field of the invention, and the change or modification made all are covered among the scope of the claims of the present invention.
Claims (1)
1. a kind of backward-pressure, including fixed mount (1), braked wheel (3) and the brake axle (2) for being arranged on braked wheel (3) center,
It is characterized in that:The brake axle (2) connects output shaft (7) by shaft coupling (4), and braked wheel (3) periphery is provided with braking
PZT (piezoelectric transducer) (6) is provided with component (5), the brake assemblies (5), the output shaft (7) is provided with and utilizes PZT (piezoelectric transducer)
(6) the assisted deceleration component of discharging current control;
The shaft coupling (4) is hollow cylinder, and shaft coupling (4) inwall is provided with the shaft coupling tooth (20) for stretching to center, institute
State part of the brake axle (2) in shaft coupling (4) and be provided with brake axle tooth (22), the output shaft (7) is located in shaft coupling (4)
Part be provided with output shaft tooth (23).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510444206.8A CN105015348B (en) | 2013-09-16 | 2013-09-16 | A kind of backward-pressure |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510444206.8A CN105015348B (en) | 2013-09-16 | 2013-09-16 | A kind of backward-pressure |
CN201310438041.4A CN103465789B (en) | 2013-09-16 | 2013-09-16 | A kind of backward-pressure |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310438041.4A Division CN103465789B (en) | 2013-09-16 | 2013-09-16 | A kind of backward-pressure |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105015348A CN105015348A (en) | 2015-11-04 |
CN105015348B true CN105015348B (en) | 2017-08-22 |
Family
ID=49790921
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510442200.7A Pending CN105059124A (en) | 2013-09-16 | 2013-09-16 | Brake assembly for buffering brake |
CN201310438041.4A Expired - Fee Related CN103465789B (en) | 2013-09-16 | 2013-09-16 | A kind of backward-pressure |
CN201510442199.8A Active CN104999918B (en) | 2013-09-16 | 2013-09-16 | A kind of backward-pressure assisted deceleration component |
CN201510444206.8A Active CN105015348B (en) | 2013-09-16 | 2013-09-16 | A kind of backward-pressure |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510442200.7A Pending CN105059124A (en) | 2013-09-16 | 2013-09-16 | Brake assembly for buffering brake |
CN201310438041.4A Expired - Fee Related CN103465789B (en) | 2013-09-16 | 2013-09-16 | A kind of backward-pressure |
CN201510442199.8A Active CN104999918B (en) | 2013-09-16 | 2013-09-16 | A kind of backward-pressure assisted deceleration component |
Country Status (1)
Country | Link |
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CN (4) | CN105059124A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6612427B2 (en) | 2016-03-14 | 2019-11-27 | Nok株式会社 | Buffer stopper |
CN107089578B (en) * | 2017-06-20 | 2022-08-05 | 湖北科技学院 | Elevator traction machine |
CN110048641A (en) * | 2019-05-17 | 2019-07-23 | 西南交通大学 | A kind of device and method recycling friction self-excited vibration energy |
Citations (7)
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KR20070065003A (en) * | 2005-12-19 | 2007-06-22 | 현대자동차주식회사 | Structure of disc brake |
CN201836253U (en) * | 2010-11-12 | 2011-05-18 | 张意立 | High-torsion coupler with buffer |
CN201866135U (en) * | 2010-11-24 | 2011-06-15 | 山东交通学院 | Braking device based on magnetorheological fluid |
CN202082318U (en) * | 2011-04-12 | 2011-12-21 | 江苏大学 | Single disc-type magneto rheological flexible brake |
CN202326834U (en) * | 2011-11-03 | 2012-07-11 | 浙江师范大学 | Novel brake |
CN103057427A (en) * | 2013-01-08 | 2013-04-24 | 清华大学 | Magneto-rheological hydraulic brake executing device for electric vehicles |
CN202936105U (en) * | 2012-11-30 | 2013-05-15 | 大连华锐重工起重机有限公司 | Cart traveling mechanism of bridge crane |
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US6854573B2 (en) * | 2001-10-25 | 2005-02-15 | Lord Corporation | Brake with field responsive material |
CN2721960Y (en) * | 2004-08-24 | 2005-08-31 | 天津起重设备有限公司 | Explosion-proof secondery brake |
FR2922504B1 (en) * | 2007-10-18 | 2010-03-05 | Renault Sas | BRAKE DEVICE WITH PERISTALTIC ACTUATORS |
US8016092B2 (en) * | 2008-04-29 | 2011-09-13 | Honda Motor Co., Ltd. | Magneto-rheological clutch and wheel transmission apparatuses and methods |
CN201747825U (en) * | 2010-04-08 | 2011-02-16 | 吴月 | Intelligent wheel-type band-type brake |
CN202674106U (en) * | 2012-03-06 | 2013-01-16 | 浙江师范大学 | Extrusion magnetorheological brake |
CN102927168B (en) * | 2012-11-05 | 2015-02-04 | 江苏大学 | Hydraulic retarder with pressure power generation device and control method thereof |
CN203449955U (en) * | 2013-09-16 | 2014-02-26 | 浙江师范大学 | Buffer brake |
-
2013
- 2013-09-16 CN CN201510442200.7A patent/CN105059124A/en active Pending
- 2013-09-16 CN CN201310438041.4A patent/CN103465789B/en not_active Expired - Fee Related
- 2013-09-16 CN CN201510442199.8A patent/CN104999918B/en active Active
- 2013-09-16 CN CN201510444206.8A patent/CN105015348B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070065003A (en) * | 2005-12-19 | 2007-06-22 | 현대자동차주식회사 | Structure of disc brake |
CN201836253U (en) * | 2010-11-12 | 2011-05-18 | 张意立 | High-torsion coupler with buffer |
CN201866135U (en) * | 2010-11-24 | 2011-06-15 | 山东交通学院 | Braking device based on magnetorheological fluid |
CN202082318U (en) * | 2011-04-12 | 2011-12-21 | 江苏大学 | Single disc-type magneto rheological flexible brake |
CN202326834U (en) * | 2011-11-03 | 2012-07-11 | 浙江师范大学 | Novel brake |
CN202936105U (en) * | 2012-11-30 | 2013-05-15 | 大连华锐重工起重机有限公司 | Cart traveling mechanism of bridge crane |
CN103057427A (en) * | 2013-01-08 | 2013-04-24 | 清华大学 | Magneto-rheological hydraulic brake executing device for electric vehicles |
Also Published As
Publication number | Publication date |
---|---|
CN104999918A (en) | 2015-10-28 |
CN105015348A (en) | 2015-11-04 |
CN104999918B (en) | 2017-06-16 |
CN103465789A (en) | 2013-12-25 |
CN103465789B (en) | 2016-03-02 |
CN105059124A (en) | 2015-11-18 |
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Effective date of registration: 20231012 Address after: B205, No.179 Chezhan Road, Liushi Town, Leqing City, Wenzhou City, Zhejiang Province, 325600 Patentee after: Zhipu Qiwang (Wenzhou) Electric Power Technology Research Institute Co.,Ltd. Address before: 321004 688 Yingbin Road, Zhejiang, Jinhua, Zhejiang Normal University Patentee before: ZHEJIANG NORMAL University |
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